Mercurial > vim
view src/gui_gtk_x11.c @ 22304:cc125ae9b537
Added tag v8.2.1701 for changeset 4ce3906e5997cbce9294dcce09f9e3827682ec59
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 16 Sep 2020 23:30:04 +0200 |
| parents | 9b5a90ad76c6 |
| children | 3845389725c9 |
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/* vi:set ts=8 sts=4 sw=4 noet: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * Porting to GTK+ was done by: * * (C) 1998,1999,2000 by Marcin Dalecki <martin@dalecki.de> * * With GREAT support and continuous encouragements by Andy Kahn and of * course Bram Moolenaar! * * Support for GTK+ 2 was added by: * * (C) 2002,2003 Jason Hildebrand <jason@peaceworks.ca> * Daniel Elstner <daniel.elstner@gmx.net> * * Support for GTK+ 3 was added by: * * 2016 Kazunobu Kuriyama <kazunobu.kuriyama@gmail.com> */ #include "vim.h" #ifdef USE_GRESOURCE #include "auto/gui_gtk_gresources.h" #endif #ifdef FEAT_GUI_GNOME // Gnome redefines _() and N_(). Grrr... # ifdef _ # undef _ # endif # ifdef N_ # undef N_ # endif # ifdef textdomain # undef textdomain # endif # ifdef bindtextdomain # undef bindtextdomain # endif # ifdef bind_textdomain_codeset # undef bind_textdomain_codeset # endif # if defined(FEAT_GETTEXT) && !defined(ENABLE_NLS) # define ENABLE_NLS // so the texts in the dialog boxes are translated # endif # include <gnome.h> # include "version.h" // missing prototype in bonobo-dock-item.h extern void bonobo_dock_item_set_behavior(BonoboDockItem *dock_item, BonoboDockItemBehavior beh); #endif #if !defined(FEAT_GUI_GTK) && defined(PROTO) // When generating prototypes we don't want syntax errors. # define GdkAtom int # define GdkEventExpose int # define GdkEventFocus int # define GdkEventVisibility int # define GdkEventProperty int # define GtkContainer int # define GtkTargetEntry int # define GtkType int # define GtkWidget int # define gint int # define gpointer int # define guint int # define GdkEventKey int # define GdkEventSelection int # define GtkSelectionData int # define GdkEventMotion int # define GdkEventButton int # define GdkDragContext int # define GdkEventConfigure int # define GdkEventClient int #else # if GTK_CHECK_VERSION(3,0,0) # include <gdk/gdkkeysyms-compat.h> # include <gtk/gtkx.h> # else # include <gdk/gdkkeysyms.h> # endif # include <gdk/gdk.h> # ifdef MSWIN # include <gdk/gdkwin32.h> # else # include <gdk/gdkx.h> # endif # include <gtk/gtk.h> # include "gui_gtk_f.h" #endif #ifdef HAVE_X11_SUNKEYSYM_H # include <X11/Sunkeysym.h> #endif /* * Easy-to-use macro for multihead support. */ #define GET_X_ATOM(atom) gdk_x11_atom_to_xatom_for_display( \ gtk_widget_get_display(gui.mainwin), atom) // Selection type distinguishers enum { TARGET_TYPE_NONE, TARGET_UTF8_STRING, TARGET_STRING, TARGET_COMPOUND_TEXT, TARGET_HTML, TARGET_TEXT, TARGET_TEXT_URI_LIST, TARGET_TEXT_PLAIN, TARGET_VIM, TARGET_VIMENC }; /* * Table of selection targets supported by Vim. * Note: Order matters, preferred types should come first. */ static const GtkTargetEntry selection_targets[] = { {VIMENC_ATOM_NAME, 0, TARGET_VIMENC}, {VIM_ATOM_NAME, 0, TARGET_VIM}, {"text/html", 0, TARGET_HTML}, {"UTF8_STRING", 0, TARGET_UTF8_STRING}, {"COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT}, {"TEXT", 0, TARGET_TEXT}, {"STRING", 0, TARGET_STRING} }; #define N_SELECTION_TARGETS (sizeof(selection_targets) / sizeof(selection_targets[0])) #ifdef FEAT_DND /* * Table of DnD targets supported by Vim. * Note: Order matters, preferred types should come first. */ static const GtkTargetEntry dnd_targets[] = { {"text/uri-list", 0, TARGET_TEXT_URI_LIST}, {"text/html", 0, TARGET_HTML}, {"UTF8_STRING", 0, TARGET_UTF8_STRING}, {"STRING", 0, TARGET_STRING}, {"text/plain", 0, TARGET_TEXT_PLAIN} }; # define N_DND_TARGETS (sizeof(dnd_targets) / sizeof(dnd_targets[0])) #endif /* * "Monospace" is a standard font alias that should be present * on all proper Pango/fontconfig installations. */ # define DEFAULT_FONT "Monospace 10" #if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION) # define USE_GNOME_SESSION #endif #if !defined(FEAT_GUI_GNOME) /* * Atoms used to communicate save-yourself from the X11 session manager. There * is no need to move them into the GUI struct, since they should be constant. */ static GdkAtom wm_protocols_atom = GDK_NONE; static GdkAtom save_yourself_atom = GDK_NONE; #endif /* * Atoms used to control/reference X11 selections. */ static GdkAtom html_atom = GDK_NONE; static GdkAtom utf8_string_atom = GDK_NONE; static GdkAtom vim_atom = GDK_NONE; // Vim's own special selection format static GdkAtom vimenc_atom = GDK_NONE; // Vim's extended selection format /* * Keycodes recognized by vim. * NOTE: when changing this, the table in gui_x11.c probably needs the same * change! */ static struct special_key { guint key_sym; char_u code0; char_u code1; } const special_keys[] = { {GDK_Up, 'k', 'u'}, {GDK_Down, 'k', 'd'}, {GDK_Left, 'k', 'l'}, {GDK_Right, 'k', 'r'}, {GDK_F1, 'k', '1'}, {GDK_F2, 'k', '2'}, {GDK_F3, 'k', '3'}, {GDK_F4, 'k', '4'}, {GDK_F5, 'k', '5'}, {GDK_F6, 'k', '6'}, {GDK_F7, 'k', '7'}, {GDK_F8, 'k', '8'}, {GDK_F9, 'k', '9'}, {GDK_F10, 'k', ';'}, {GDK_F11, 'F', '1'}, {GDK_F12, 'F', '2'}, {GDK_F13, 'F', '3'}, {GDK_F14, 'F', '4'}, {GDK_F15, 'F', '5'}, {GDK_F16, 'F', '6'}, {GDK_F17, 'F', '7'}, {GDK_F18, 'F', '8'}, {GDK_F19, 'F', '9'}, {GDK_F20, 'F', 'A'}, {GDK_F21, 'F', 'B'}, {GDK_Pause, 'F', 'B'}, // Pause == F21 according to netbeans.txt {GDK_F22, 'F', 'C'}, {GDK_F23, 'F', 'D'}, {GDK_F24, 'F', 'E'}, {GDK_F25, 'F', 'F'}, {GDK_F26, 'F', 'G'}, {GDK_F27, 'F', 'H'}, {GDK_F28, 'F', 'I'}, {GDK_F29, 'F', 'J'}, {GDK_F30, 'F', 'K'}, {GDK_F31, 'F', 'L'}, {GDK_F32, 'F', 'M'}, {GDK_F33, 'F', 'N'}, {GDK_F34, 'F', 'O'}, {GDK_F35, 'F', 'P'}, #ifdef SunXK_F36 {SunXK_F36, 'F', 'Q'}, {SunXK_F37, 'F', 'R'}, #endif {GDK_Help, '%', '1'}, {GDK_Undo, '&', '8'}, {GDK_BackSpace, 'k', 'b'}, {GDK_Insert, 'k', 'I'}, {GDK_Delete, 'k', 'D'}, {GDK_3270_BackTab, 'k', 'B'}, {GDK_Clear, 'k', 'C'}, {GDK_Home, 'k', 'h'}, {GDK_End, '@', '7'}, {GDK_Prior, 'k', 'P'}, {GDK_Next, 'k', 'N'}, {GDK_Print, '%', '9'}, // Keypad keys: {GDK_KP_Left, 'k', 'l'}, {GDK_KP_Right, 'k', 'r'}, {GDK_KP_Up, 'k', 'u'}, {GDK_KP_Down, 'k', 'd'}, {GDK_KP_Insert, KS_EXTRA, (char_u)KE_KINS}, {GDK_KP_Delete, KS_EXTRA, (char_u)KE_KDEL}, {GDK_KP_Home, 'K', '1'}, {GDK_KP_End, 'K', '4'}, {GDK_KP_Prior, 'K', '3'}, // page up {GDK_KP_Next, 'K', '5'}, // page down {GDK_KP_Add, 'K', '6'}, {GDK_KP_Subtract, 'K', '7'}, {GDK_KP_Divide, 'K', '8'}, {GDK_KP_Multiply, 'K', '9'}, {GDK_KP_Enter, 'K', 'A'}, {GDK_KP_Decimal, 'K', 'B'}, {GDK_KP_0, 'K', 'C'}, {GDK_KP_1, 'K', 'D'}, {GDK_KP_2, 'K', 'E'}, {GDK_KP_3, 'K', 'F'}, {GDK_KP_4, 'K', 'G'}, {GDK_KP_5, 'K', 'H'}, {GDK_KP_6, 'K', 'I'}, {GDK_KP_7, 'K', 'J'}, {GDK_KP_8, 'K', 'K'}, {GDK_KP_9, 'K', 'L'}, // End of list marker: {0, 0, 0} }; /* * Flags for command line options table below. */ #define ARG_FONT 1 #define ARG_GEOMETRY 2 #define ARG_REVERSE 3 #define ARG_NOREVERSE 4 #define ARG_BACKGROUND 5 #define ARG_FOREGROUND 6 #define ARG_ICONIC 7 #define ARG_ROLE 8 #define ARG_NETBEANS 9 #define ARG_XRM 10 // ignored #define ARG_MENUFONT 11 // ignored #define ARG_INDEX_MASK 0x00ff #define ARG_HAS_VALUE 0x0100 // a value is expected after the argument #define ARG_NEEDS_GUI 0x0200 // need to initialize the GUI for this #define ARG_FOR_GTK 0x0400 // argument is handled by GTK+ or GNOME #define ARG_COMPAT_LONG 0x0800 // accept -foo but substitute with --foo #define ARG_KEEP 0x1000 // don't remove argument from argv[] /* * This table holds all the X GUI command line options allowed. This includes * the standard ones so that we can skip them when Vim is started without the * GUI (but the GUI might start up later). * * When changing this, also update doc/gui_x11.txt and the usage message!!! */ typedef struct { const char *name; unsigned int flags; } cmdline_option_T; static const cmdline_option_T cmdline_options[] = { // We handle these options ourselves {"-fn", ARG_FONT|ARG_HAS_VALUE}, {"-font", ARG_FONT|ARG_HAS_VALUE}, {"-geom", ARG_GEOMETRY|ARG_HAS_VALUE}, {"-geometry", ARG_GEOMETRY|ARG_HAS_VALUE}, {"-rv", ARG_REVERSE}, {"-reverse", ARG_REVERSE}, {"+rv", ARG_NOREVERSE}, {"+reverse", ARG_NOREVERSE}, {"-bg", ARG_BACKGROUND|ARG_HAS_VALUE}, {"-background", ARG_BACKGROUND|ARG_HAS_VALUE}, {"-fg", ARG_FOREGROUND|ARG_HAS_VALUE}, {"-foreground", ARG_FOREGROUND|ARG_HAS_VALUE}, {"-iconic", ARG_ICONIC}, {"--role", ARG_ROLE|ARG_HAS_VALUE}, #ifdef FEAT_NETBEANS_INTG {"-nb", ARG_NETBEANS}, // non-standard value format {"-xrm", ARG_XRM|ARG_HAS_VALUE}, // not implemented {"-mf", ARG_MENUFONT|ARG_HAS_VALUE}, // not implemented {"-menufont", ARG_MENUFONT|ARG_HAS_VALUE}, // not implemented #endif // Arguments handled by GTK (and GNOME) internally. {"--g-fatal-warnings", ARG_FOR_GTK}, {"--gdk-debug", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--gdk-no-debug", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--gtk-debug", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--gtk-no-debug", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--gtk-module", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--sync", ARG_FOR_GTK}, {"--display", ARG_FOR_GTK|ARG_HAS_VALUE|ARG_COMPAT_LONG}, {"--name", ARG_FOR_GTK|ARG_HAS_VALUE|ARG_COMPAT_LONG}, {"--class", ARG_FOR_GTK|ARG_HAS_VALUE|ARG_COMPAT_LONG}, {"--screen", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--gxid-host", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--gxid-port", ARG_FOR_GTK|ARG_HAS_VALUE}, #ifdef FEAT_GUI_GNOME {"--load-modules", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--sm-client-id", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--sm-config-prefix", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--sm-disable", ARG_FOR_GTK}, {"--oaf-ior-fd", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--oaf-activate-iid", ARG_FOR_GTK|ARG_HAS_VALUE}, {"--oaf-private", ARG_FOR_GTK}, {"--enable-sound", ARG_FOR_GTK}, {"--disable-sound", ARG_FOR_GTK}, {"--espeaker", ARG_FOR_GTK|ARG_HAS_VALUE}, {"-?", ARG_FOR_GTK|ARG_NEEDS_GUI}, {"--help", ARG_FOR_GTK|ARG_NEEDS_GUI|ARG_KEEP}, {"--usage", ARG_FOR_GTK|ARG_NEEDS_GUI}, # if 0 // conflicts with Vim's own --version argument {"--version", ARG_FOR_GTK|ARG_NEEDS_GUI}, # endif {"--disable-crash-dialog", ARG_FOR_GTK}, #endif {NULL, 0} }; static int gui_argc = 0; static char **gui_argv = NULL; static const char *role_argument = NULL; #if defined(USE_GNOME_SESSION) static const char *restart_command = NULL; static char *abs_restart_command = NULL; #endif static int found_iconic_arg = FALSE; #ifdef FEAT_GUI_GNOME /* * Can't use Gnome if --socketid given */ static int using_gnome = 0; #else # define using_gnome 0 #endif /* * Parse the GUI related command-line arguments. Any arguments used are * deleted from argv, and *argc is decremented accordingly. This is called * when vim is started, whether or not the GUI has been started. */ void gui_mch_prepare(int *argc, char **argv) { const cmdline_option_T *option; int i = 0; int len = 0; #if defined(USE_GNOME_SESSION) /* * Determine the command used to invoke Vim, to be passed as restart * command to the session manager. If argv[0] contains any directory * components try building an absolute path, otherwise leave it as is. */ restart_command = argv[0]; if (strchr(argv[0], G_DIR_SEPARATOR) != NULL) { char_u buf[MAXPATHL]; if (mch_FullName((char_u *)argv[0], buf, (int)sizeof(buf), TRUE) == OK) { abs_restart_command = (char *)vim_strsave(buf); restart_command = abs_restart_command; } } #endif /* * Move all the entries in argv which are relevant to GTK+ and GNOME * into gui_argv. Freed later in gui_mch_init(). */ gui_argc = 0; gui_argv = ALLOC_MULT(char *, *argc + 1); g_return_if_fail(gui_argv != NULL); gui_argv[gui_argc++] = argv[i++]; while (i < *argc) { // Don't waste CPU cycles on non-option arguments. if (argv[i][0] != '-' && argv[i][0] != '+') { ++i; continue; } // Look for argv[i] in cmdline_options[] table. for (option = &cmdline_options[0]; option->name != NULL; ++option) { len = strlen(option->name); if (strncmp(argv[i], option->name, len) == 0) { if (argv[i][len] == '\0') break; // allow --foo=bar style if (argv[i][len] == '=' && (option->flags & ARG_HAS_VALUE)) break; #ifdef FEAT_NETBEANS_INTG // darn, -nb has non-standard syntax if (vim_strchr((char_u *)":=", argv[i][len]) != NULL && (option->flags & ARG_INDEX_MASK) == ARG_NETBEANS) break; #endif } else if ((option->flags & ARG_COMPAT_LONG) && strcmp(argv[i], option->name + 1) == 0) { // Replace the standard X arguments "-name" and "-display" // with their GNU-style long option counterparts. argv[i] = (char *)option->name; break; } } if (option->name == NULL) // no match { ++i; continue; } if (option->flags & ARG_FOR_GTK) { // Move the argument into gui_argv, which // will later be passed to gtk_init_check() gui_argv[gui_argc++] = argv[i]; } else { char *value = NULL; // Extract the option's value if there is one. // Accept both "--foo bar" and "--foo=bar" style. if (option->flags & ARG_HAS_VALUE) { if (argv[i][len] == '=') value = &argv[i][len + 1]; else if (i + 1 < *argc && strcmp(argv[i + 1], "--") != 0) value = argv[i + 1]; } // Check for options handled by Vim itself switch (option->flags & ARG_INDEX_MASK) { case ARG_REVERSE: found_reverse_arg = TRUE; break; case ARG_NOREVERSE: found_reverse_arg = FALSE; break; case ARG_FONT: font_argument = value; break; case ARG_GEOMETRY: if (value != NULL) gui.geom = vim_strsave((char_u *)value); break; case ARG_BACKGROUND: background_argument = value; break; case ARG_FOREGROUND: foreground_argument = value; break; case ARG_ICONIC: found_iconic_arg = TRUE; break; case ARG_ROLE: role_argument = value; // used later in gui_mch_open() break; #ifdef FEAT_NETBEANS_INTG case ARG_NETBEANS: gui.dofork = FALSE; // don't fork() when starting GUI netbeansArg = argv[i]; break; #endif default: break; } } // These arguments make gnome_program_init() print a message and exit. // Must start the GUI for this, otherwise ":gui" will exit later! // Only when the GUI can start. if ((option->flags & ARG_NEEDS_GUI) && gui_mch_early_init_check(FALSE) == OK) gui.starting = TRUE; if (option->flags & ARG_KEEP) ++i; else { // Remove the flag from the argument vector. if (--*argc > i) { int n_strip = 1; // Move the argument's value as well, if there is one. if ((option->flags & ARG_HAS_VALUE) && argv[i][len] != '=' && strcmp(argv[i + 1], "--") != 0) { ++n_strip; --*argc; if (option->flags & ARG_FOR_GTK) gui_argv[gui_argc++] = argv[i + 1]; } if (*argc > i) mch_memmove(&argv[i], &argv[i + n_strip], (*argc - i) * sizeof(char *)); } argv[*argc] = NULL; } } gui_argv[gui_argc] = NULL; } #if defined(EXITFREE) || defined(PROTO) void gui_mch_free_all(void) { vim_free(gui_argv); #if defined(USE_GNOME_SESSION) vim_free(abs_restart_command); #endif } #endif #if !GTK_CHECK_VERSION(3,0,0) /* * This should be maybe completely removed. * Doesn't seem possible, since check_copy_area() relies on * this information. --danielk */ static gint visibility_event(GtkWidget *widget UNUSED, GdkEventVisibility *event, gpointer data UNUSED) { gui.visibility = event->state; /* * When we do an gdk_window_copy_area(), and the window is partially * obscured, we want to receive an event to tell us whether it worked * or not. */ if (gui.text_gc != NULL) gdk_gc_set_exposures(gui.text_gc, gui.visibility != GDK_VISIBILITY_UNOBSCURED); return FALSE; } #endif // !GTK_CHECK_VERSION(3,0,0) /* * Redraw the corresponding portions of the screen. */ #if GTK_CHECK_VERSION(3,0,0) static gboolean is_key_pressed = FALSE; static gboolean blink_mode = TRUE; static gboolean gui_gtk_is_blink_on(void); static void gui_gtk3_redraw(int x, int y, int width, int height) { // Range checks are left to gui_redraw_block() gui_redraw_block(Y_2_ROW(y), X_2_COL(x), Y_2_ROW(y + height - 1), X_2_COL(x + width - 1), GUI_MON_NOCLEAR); } static void gui_gtk3_update_cursor(cairo_t *cr) { if (gui.row == gui.cursor_row) { gui.by_signal = TRUE; if (State & CMDLINE) gui_update_cursor(TRUE, FALSE); else gui_update_cursor(TRUE, TRUE); gui.by_signal = FALSE; cairo_paint(cr); } } static gboolean gui_gtk3_should_draw_cursor(void) { unsigned int cond = 0; cond |= gui_gtk_is_blink_on(); if (gui.cursor_col >= gui.col) cond |= is_key_pressed; cond |= gui.in_focus == FALSE; return cond; } static gboolean draw_event(GtkWidget *widget UNUSED, cairo_t *cr, gpointer user_data UNUSED) { // Skip this when the GUI isn't set up yet, will redraw later. if (gui.starting) return FALSE; out_flush(); // make sure all output has been processed // for GTK+ 3, may induce other draw events. cairo_set_source_surface(cr, gui.surface, 0, 0); // Draw the window without the cursor. gui.by_signal = TRUE; { cairo_rectangle_list_t *list = NULL; list = cairo_copy_clip_rectangle_list(cr); if (list->status != CAIRO_STATUS_CLIP_NOT_REPRESENTABLE) { int i; // First clear all the blocks and then redraw them. Just in case // some blocks overlap. for (i = 0; i < list->num_rectangles; i++) { const cairo_rectangle_t rect = list->rectangles[i]; gui_mch_clear_block(Y_2_ROW((int)rect.y), 0, Y_2_ROW((int)(rect.y + rect.height)) - 1, Columns - 1); } for (i = 0; i < list->num_rectangles; i++) { const cairo_rectangle_t rect = list->rectangles[i]; if (blink_mode) gui_gtk3_redraw(rect.x, rect.y, rect.width, rect.height); else { if (get_real_state() & VISUAL) gui_gtk3_redraw(rect.x, rect.y, rect.width, rect.height); else gui_redraw(rect.x, rect.y, rect.width, rect.height); } } } cairo_rectangle_list_destroy(list); if (get_real_state() & VISUAL) { if (gui.cursor_row == gui.row && gui.cursor_col >= gui.col) gui_update_cursor(TRUE, TRUE); } cairo_paint(cr); } gui.by_signal = FALSE; // Add the cursor to the window if necessary. if (gui_gtk3_should_draw_cursor() && blink_mode) gui_gtk3_update_cursor(cr); return FALSE; } #else // !GTK_CHECK_VERSION(3,0,0) static gint expose_event(GtkWidget *widget UNUSED, GdkEventExpose *event, gpointer data UNUSED) { // Skip this when the GUI isn't set up yet, will redraw later. if (gui.starting) return FALSE; out_flush(); // make sure all output has been processed gui_redraw(event->area.x, event->area.y, event->area.width, event->area.height); // Clear the border areas if needed if (event->area.x < FILL_X(0)) gdk_window_clear_area(gui.drawarea->window, 0, 0, FILL_X(0), 0); if (event->area.y < FILL_Y(0)) gdk_window_clear_area(gui.drawarea->window, 0, 0, 0, FILL_Y(0)); if (event->area.x > FILL_X(Columns)) gdk_window_clear_area(gui.drawarea->window, FILL_X((int)Columns), 0, 0, 0); if (event->area.y > FILL_Y(Rows)) gdk_window_clear_area(gui.drawarea->window, 0, FILL_Y((int)Rows), 0, 0); return FALSE; } #endif // !GTK_CHECK_VERSION(3,0,0) #ifdef FEAT_CLIENTSERVER /* * Handle changes to the "Comm" property */ static gint property_event(GtkWidget *widget, GdkEventProperty *event, gpointer data UNUSED) { if (event->type == GDK_PROPERTY_NOTIFY && event->state == (int)GDK_PROPERTY_NEW_VALUE && GDK_WINDOW_XID(event->window) == commWindow && GET_X_ATOM(event->atom) == commProperty) { XEvent xev; // Translate to XLib xev.xproperty.type = PropertyNotify; xev.xproperty.atom = commProperty; xev.xproperty.window = commWindow; xev.xproperty.state = PropertyNewValue; serverEventProc(GDK_WINDOW_XDISPLAY(gtk_widget_get_window(widget)), &xev, 0); } return FALSE; } #endif // defined(FEAT_CLIENTSERVER) /* * Handle changes to the "Xft/DPI" setting */ static void gtk_settings_xft_dpi_changed_cb(GtkSettings *gtk_settings UNUSED, GParamSpec *pspec UNUSED, gpointer data UNUSED) { // Create a new PangoContext for this screen, and initialize it // with the current font if necessary. if (gui.text_context != NULL) g_object_unref(gui.text_context); gui.text_context = gtk_widget_create_pango_context(gui.mainwin); pango_context_set_base_dir(gui.text_context, PANGO_DIRECTION_LTR); if (gui.norm_font != NULL) { // force default font gui_mch_init_font(*p_guifont == NUL ? NULL : p_guifont, FALSE); gui_set_shellsize(TRUE, FALSE, RESIZE_BOTH); } } typedef gboolean timeout_cb_type; /* * Start a timer that will invoke the specified callback. * Returns the ID of the timer. */ static guint timeout_add(int time, timeout_cb_type (*callback)(gpointer), int *flagp) { return g_timeout_add((guint)time, (GSourceFunc)callback, flagp); } static void timeout_remove(guint timer) { g_source_remove(timer); } ///////////////////////////////////////////////////////////////////////////// // Focus handlers: /* * This is a simple state machine: * BLINK_NONE not blinking at all * BLINK_OFF blinking, cursor is not shown * BLINK_ON blinking, cursor is shown */ #define BLINK_NONE 0 #define BLINK_OFF 1 #define BLINK_ON 2 static int blink_state = BLINK_NONE; static long_u blink_waittime = 700; static long_u blink_ontime = 400; static long_u blink_offtime = 250; static guint blink_timer = 0; #if GTK_CHECK_VERSION(3,0,0) static gboolean gui_gtk_is_blink_on(void) { return blink_state == BLINK_ON; } #endif int gui_mch_is_blinking(void) { return blink_state != BLINK_NONE; } int gui_mch_is_blink_off(void) { return blink_state == BLINK_OFF; } void gui_mch_set_blinking(long waittime, long on, long off) { #if GTK_CHECK_VERSION(3,0,0) if (waittime == 0 || on == 0 || off == 0) { blink_mode = FALSE; blink_waittime = 700; blink_ontime = 400; blink_offtime = 250; } else { blink_mode = TRUE; blink_waittime = waittime; blink_ontime = on; blink_offtime = off; } #else blink_waittime = waittime; blink_ontime = on; blink_offtime = off; #endif } /* * Stop the cursor blinking. Show the cursor if it wasn't shown. */ void gui_mch_stop_blink(int may_call_gui_update_cursor) { if (blink_timer) { timeout_remove(blink_timer); blink_timer = 0; } if (blink_state == BLINK_OFF && may_call_gui_update_cursor) { gui_update_cursor(TRUE, FALSE); gui_mch_flush(); } blink_state = BLINK_NONE; } static timeout_cb_type blink_cb(gpointer data UNUSED) { if (blink_state == BLINK_ON) { gui_undraw_cursor(); blink_state = BLINK_OFF; blink_timer = timeout_add(blink_offtime, blink_cb, NULL); } else { gui_update_cursor(TRUE, FALSE); blink_state = BLINK_ON; blink_timer = timeout_add(blink_ontime, blink_cb, NULL); } gui_mch_flush(); return FALSE; // don't happen again } /* * Start the cursor blinking. If it was already blinking, this restarts the * waiting time and shows the cursor. */ void gui_mch_start_blink(void) { if (blink_timer) { timeout_remove(blink_timer); blink_timer = 0; } // Only switch blinking on if none of the times is zero if (blink_waittime && blink_ontime && blink_offtime && gui.in_focus) { blink_timer = timeout_add(blink_waittime, blink_cb, NULL); blink_state = BLINK_ON; gui_update_cursor(TRUE, FALSE); gui_mch_flush(); } } static gint enter_notify_event(GtkWidget *widget UNUSED, GdkEventCrossing *event UNUSED, gpointer data UNUSED) { if (blink_state == BLINK_NONE) gui_mch_start_blink(); // make sure keyboard input goes there if (gtk_socket_id == 0 || !gtk_widget_has_focus(gui.drawarea)) gtk_widget_grab_focus(gui.drawarea); return FALSE; } static gint leave_notify_event(GtkWidget *widget UNUSED, GdkEventCrossing *event UNUSED, gpointer data UNUSED) { if (blink_state != BLINK_NONE) gui_mch_stop_blink(TRUE); return FALSE; } static gint focus_in_event(GtkWidget *widget, GdkEventFocus *event UNUSED, gpointer data UNUSED) { gui_focus_change(TRUE); if (blink_state == BLINK_NONE) gui_mch_start_blink(); // make sure keyboard input goes to the draw area (if this is focus for a // window) if (widget != gui.drawarea) gtk_widget_grab_focus(gui.drawarea); return TRUE; } static gint focus_out_event(GtkWidget *widget UNUSED, GdkEventFocus *event UNUSED, gpointer data UNUSED) { gui_focus_change(FALSE); if (blink_state != BLINK_NONE) gui_mch_stop_blink(TRUE); return TRUE; } /* * Translate a GDK key value to UTF-8 independently of the current locale. * The output is written to string, which must have room for at least 6 bytes * plus the NUL terminator. Returns the length in bytes. * * event->string is evil; see here why: * http://developer.gnome.org/doc/API/2.0/gdk/gdk-Event-Structures.html#GdkEventKey */ static int keyval_to_string(unsigned int keyval, char_u *string) { int len; guint32 uc; uc = gdk_keyval_to_unicode(keyval); if (uc != 0) { // Translate a normal key to UTF-8. This doesn't work for dead // keys of course, you _have_ to use an input method for that. len = utf_char2bytes((int)uc, string); } else { // Translate keys which are represented by ASCII control codes in Vim. // There are only a few of those; most control keys are translated to // special terminal-like control sequences. len = 1; switch (keyval) { case GDK_Tab: case GDK_KP_Tab: case GDK_ISO_Left_Tab: string[0] = TAB; break; case GDK_Linefeed: string[0] = NL; break; case GDK_Return: case GDK_ISO_Enter: case GDK_3270_Enter: string[0] = CAR; break; case GDK_Escape: string[0] = ESC; break; default: len = 0; break; } } string[len] = NUL; return len; } static int modifiers_gdk2vim(guint state) { int modifiers = 0; if (state & GDK_SHIFT_MASK) modifiers |= MOD_MASK_SHIFT; if (state & GDK_CONTROL_MASK) modifiers |= MOD_MASK_CTRL; if (state & GDK_MOD1_MASK) modifiers |= MOD_MASK_ALT; #if GTK_CHECK_VERSION(2,10,0) if (state & GDK_SUPER_MASK) modifiers |= MOD_MASK_META; #endif if (state & GDK_MOD4_MASK) modifiers |= MOD_MASK_META; return modifiers; } static int modifiers_gdk2mouse(guint state) { int modifiers = 0; if (state & GDK_SHIFT_MASK) modifiers |= MOUSE_SHIFT; if (state & GDK_CONTROL_MASK) modifiers |= MOUSE_CTRL; if (state & GDK_MOD1_MASK) modifiers |= MOUSE_ALT; return modifiers; } /* * Main keyboard handler: */ static gint key_press_event(GtkWidget *widget UNUSED, GdkEventKey *event, gpointer data UNUSED) { // For GTK+ 2 we know for sure how large the string might get. // (That is, up to 6 bytes + NUL + CSI escapes + safety measure.) char_u string[32], string2[32]; guint key_sym; int len; int i; int modifiers; int key; guint state; char_u *s, *d; #if GTK_CHECK_VERSION(3,0,0) is_key_pressed = TRUE; gui_mch_stop_blink(TRUE); #endif gui.event_time = event->time; key_sym = event->keyval; state = event->state; #ifdef FEAT_XIM if (xim_queue_key_press_event(event, TRUE)) return TRUE; #endif #ifdef SunXK_F36 /* * These keys have bogus lookup strings, and trapping them here is * easier than trying to XRebindKeysym() on them with every possible * combination of modifiers. */ if (key_sym == SunXK_F36 || key_sym == SunXK_F37) len = 0; else #endif { len = keyval_to_string(key_sym, string2); // Careful: convert_input() doesn't handle the NUL character. // No need to convert pure ASCII anyway, thus the len > 1 check. if (len > 1 && input_conv.vc_type != CONV_NONE) len = convert_input(string2, len, sizeof(string2)); s = string2; d = string; for (i = 0; i < len; ++i) { *d++ = s[i]; if (d[-1] == CSI && d + 2 < string + sizeof(string)) { // Turn CSI into K_CSI. *d++ = KS_EXTRA; *d++ = (int)KE_CSI; } } len = d - string; } // Shift-Tab results in Left_Tab, but we want <S-Tab> if (key_sym == GDK_ISO_Left_Tab) { key_sym = GDK_Tab; state |= GDK_SHIFT_MASK; } #ifdef FEAT_MENU // If there is a menu and 'wak' is "yes", or 'wak' is "menu" and the key // is a menu shortcut, we ignore everything with the ALT modifier. if ((state & GDK_MOD1_MASK) && gui.menu_is_active && (*p_wak == 'y' || (*p_wak == 'm' && len == 1 && gui_is_menu_shortcut(string[0])))) // For GTK2 we return false to signify that we haven't handled the // keypress, so that gtk will handle the mnemonic or accelerator. return FALSE; #endif // We used to apply Alt/Meta to the key here (Mod1Mask), but that is now // done later, the same as it happens for the terminal. Hopefully that // works for everybody... // Check for special keys. Also do this when len == 1 (key has an ASCII // value) to detect backspace, delete and keypad keys. if (len == 0 || len == 1) { for (i = 0; special_keys[i].key_sym != 0; i++) { if (special_keys[i].key_sym == key_sym) { string[0] = CSI; string[1] = special_keys[i].code0; string[2] = special_keys[i].code1; len = -3; break; } } } if (len == 0) // Unrecognized key return TRUE; // For some keys a shift modifier is translated into another key code. if (len == -3) key = TO_SPECIAL(string[1], string[2]); else { string[len] = NUL; key = mb_ptr2char(string); } // Handle modifiers. modifiers = modifiers_gdk2vim(state); // Recognize special keys. key = simplify_key(key, &modifiers); if (key == CSI) key = K_CSI; if (IS_SPECIAL(key)) { string[0] = CSI; string[1] = K_SECOND(key); string[2] = K_THIRD(key); len = 3; } else { // <C-H> and <C-h> mean the same thing, always use "H" if ((modifiers & MOD_MASK_CTRL) && ASCII_ISALPHA(key)) key = TOUPPER_ASC(key); // May remove the shift modifier if it's included in the key. modifiers = may_remove_shift_modifier(modifiers, key); len = mb_char2bytes(key, string); } if (modifiers != 0) { string2[0] = CSI; string2[1] = KS_MODIFIER; string2[2] = modifiers; add_to_input_buf(string2, 3); } // Check if the key interrupts. { int int_ch = check_for_interrupt(key, modifiers); if (int_ch != NUL) { trash_input_buf(); string[0] = int_ch; len = 1; } } add_to_input_buf(string, len); // blank out the pointer if necessary if (p_mh) gui_mch_mousehide(TRUE); return TRUE; } #if defined(FEAT_XIM) || GTK_CHECK_VERSION(3,0,0) static gboolean key_release_event(GtkWidget *widget UNUSED, GdkEventKey *event, gpointer data UNUSED) { # if GTK_CHECK_VERSION(3,0,0) is_key_pressed = FALSE; gui_mch_start_blink(); # endif # if defined(FEAT_XIM) gui.event_time = event->time; /* * GTK+ 2 input methods may do fancy stuff on key release events too. * With the default IM for instance, you can enter any UCS code point * by holding down CTRL-SHIFT and typing hexadecimal digits. */ return xim_queue_key_press_event(event, FALSE); # else return TRUE; # endif } #endif ///////////////////////////////////////////////////////////////////////////// // Selection handlers: // Remember when clip_lose_selection was called from here, we must not call // gtk_selection_owner_set() then. static int in_selection_clear_event = FALSE; static gint selection_clear_event(GtkWidget *widget UNUSED, GdkEventSelection *event, gpointer user_data UNUSED) { in_selection_clear_event = TRUE; if (event->selection == clip_plus.gtk_sel_atom) clip_lose_selection(&clip_plus); else clip_lose_selection(&clip_star); in_selection_clear_event = FALSE; return TRUE; } #define RS_NONE 0 // selection_received_cb() not called yet #define RS_OK 1 // selection_received_cb() called and OK #define RS_FAIL 2 // selection_received_cb() called and failed static int received_selection = RS_NONE; static void selection_received_cb(GtkWidget *widget UNUSED, GtkSelectionData *data, guint time_ UNUSED, gpointer user_data UNUSED) { Clipboard_T *cbd; char_u *text; char_u *tmpbuf = NULL; guchar *tmpbuf_utf8 = NULL; int len; int motion_type = MAUTO; if (gtk_selection_data_get_selection(data) == clip_plus.gtk_sel_atom) cbd = &clip_plus; else cbd = &clip_star; text = (char_u *)gtk_selection_data_get_data(data); len = gtk_selection_data_get_length(data); if (text == NULL || len <= 0) { received_selection = RS_FAIL; // clip_free_selection(cbd); ??? return; } if (gtk_selection_data_get_data_type(data) == vim_atom) { motion_type = *text++; --len; } else if (gtk_selection_data_get_data_type(data) == vimenc_atom) { char_u *enc; vimconv_T conv; motion_type = *text++; --len; enc = text; text += STRLEN(text) + 1; len -= text - enc; // If the encoding of the text is different from 'encoding', attempt // converting it. conv.vc_type = CONV_NONE; convert_setup(&conv, enc, p_enc); if (conv.vc_type != CONV_NONE) { tmpbuf = string_convert(&conv, text, &len); if (tmpbuf != NULL) text = tmpbuf; convert_setup(&conv, NULL, NULL); } } // gtk_selection_data_get_text() handles all the nasty details // and targets and encodings etc. This rocks so hard. else { tmpbuf_utf8 = gtk_selection_data_get_text(data); if (tmpbuf_utf8 != NULL) { len = STRLEN(tmpbuf_utf8); if (input_conv.vc_type != CONV_NONE) { tmpbuf = string_convert(&input_conv, tmpbuf_utf8, &len); if (tmpbuf != NULL) text = tmpbuf; } else text = tmpbuf_utf8; } else if (len >= 2 && text[0] == 0xff && text[1] == 0xfe) { vimconv_T conv; // UTF-16, we get this for HTML conv.vc_type = CONV_NONE; convert_setup_ext(&conv, (char_u *)"utf-16le", FALSE, p_enc, TRUE); if (conv.vc_type != CONV_NONE) { text += 2; len -= 2; tmpbuf = string_convert(&conv, text, &len); convert_setup(&conv, NULL, NULL); } if (tmpbuf != NULL) text = tmpbuf; } } // Chop off any trailing NUL bytes. OpenOffice sends these. while (len > 0 && text[len - 1] == NUL) --len; clip_yank_selection(motion_type, text, (long)len, cbd); received_selection = RS_OK; vim_free(tmpbuf); g_free(tmpbuf_utf8); } /* * Prepare our selection data for passing it to the external selection * client. */ static void selection_get_cb(GtkWidget *widget UNUSED, GtkSelectionData *selection_data, guint info, guint time_ UNUSED, gpointer user_data UNUSED) { char_u *string; char_u *tmpbuf; long_u tmplen; int length; int motion_type; GdkAtom type; Clipboard_T *cbd; if (gtk_selection_data_get_selection(selection_data) == clip_plus.gtk_sel_atom) cbd = &clip_plus; else cbd = &clip_star; if (!cbd->owned) return; // Shouldn't ever happen if (info != (guint)TARGET_STRING && (!clip_html || info != (guint)TARGET_HTML) && info != (guint)TARGET_UTF8_STRING && info != (guint)TARGET_VIMENC && info != (guint)TARGET_VIM && info != (guint)TARGET_COMPOUND_TEXT && info != (guint)TARGET_TEXT) return; // get the selection from the '*'/'+' register clip_get_selection(cbd); motion_type = clip_convert_selection(&string, &tmplen, cbd); if (motion_type < 0 || string == NULL) return; // Due to int arguments we can't handle more than G_MAXINT. Also // reserve one extra byte for NUL or the motion type; just in case. // (Not that pasting 2G of text is ever going to work, but... ;-) length = MIN(tmplen, (long_u)(G_MAXINT - 1)); if (info == (guint)TARGET_VIM) { tmpbuf = alloc(length + 1); if (tmpbuf != NULL) { tmpbuf[0] = motion_type; mch_memmove(tmpbuf + 1, string, (size_t)length); } // For our own format, the first byte contains the motion type ++length; vim_free(string); string = tmpbuf; type = vim_atom; } else if (info == (guint)TARGET_HTML) { vimconv_T conv; // Since we get utf-16, we probably should set it as well. conv.vc_type = CONV_NONE; convert_setup_ext(&conv, p_enc, TRUE, (char_u *)"utf-16le", FALSE); if (conv.vc_type != CONV_NONE) { tmpbuf = string_convert(&conv, string, &length); convert_setup(&conv, NULL, NULL); vim_free(string); string = tmpbuf; } // Prepend the BOM: "fffe" if (string != NULL) { tmpbuf = alloc(length + 2); if (tmpbuf != NULL) { tmpbuf[0] = 0xff; tmpbuf[1] = 0xfe; mch_memmove(tmpbuf + 2, string, (size_t)length); vim_free(string); string = tmpbuf; length += 2; } #if !GTK_CHECK_VERSION(3,0,0) // Looks redundant even for GTK2 because these values are // overwritten by gtk_selection_data_set() that follows. selection_data->type = selection_data->target; selection_data->format = 16; // 16 bits per char #endif gtk_selection_data_set(selection_data, html_atom, 16, string, length); vim_free(string); } return; } else if (info == (guint)TARGET_VIMENC) { int l = STRLEN(p_enc); // contents: motion_type 'encoding' NUL text tmpbuf = alloc(length + l + 2); if (tmpbuf != NULL) { tmpbuf[0] = motion_type; STRCPY(tmpbuf + 1, p_enc); mch_memmove(tmpbuf + l + 2, string, (size_t)length); length += l + 2; vim_free(string); string = tmpbuf; } type = vimenc_atom; } // gtk_selection_data_set_text() handles everything for us. This is // so easy and simple and cool, it'd be insane not to use it. else { if (output_conv.vc_type != CONV_NONE) { tmpbuf = string_convert(&output_conv, string, &length); vim_free(string); if (tmpbuf == NULL) return; string = tmpbuf; } // Validate the string to avoid runtime warnings if (g_utf8_validate((const char *)string, (gssize)length, NULL)) { gtk_selection_data_set_text(selection_data, (const char *)string, length); } vim_free(string); return; } if (string != NULL) { #if !GTK_CHECK_VERSION(3,0,0) // Looks redundant even for GTK2 because these values are // overwritten by gtk_selection_data_set() that follows. selection_data->type = selection_data->target; selection_data->format = 8; // 8 bits per char #endif gtk_selection_data_set(selection_data, type, 8, string, length); vim_free(string); } } /* * Check if the GUI can be started. Called before gvimrc is sourced and * before fork(). * Return OK or FAIL. */ int gui_mch_early_init_check(int give_message) { char_u *p; // Guess that when $DISPLAY isn't set the GUI can't start. p = mch_getenv((char_u *)"DISPLAY"); if (p == NULL || *p == NUL) { gui.dying = TRUE; if (give_message) emsg(_((char *)e_opendisp)); return FAIL; } return OK; } /* * Check if the GUI can be started. Called before gvimrc is sourced but after * fork(). * Return OK or FAIL. */ int gui_mch_init_check(void) { #ifdef USE_GRESOURCE static int res_registered = FALSE; if (!res_registered) { // Call this function in the GUI process; otherwise, the resources // won't be available. Don't call it twice. res_registered = TRUE; gui_gtk_register_resource(); } #endif #if GTK_CHECK_VERSION(3,10,0) // Vim currently assumes that Gtk means X11, so it cannot use native Gtk // support for other backends such as Wayland. gdk_set_allowed_backends ("x11"); #endif #ifdef FEAT_GUI_GNOME if (gtk_socket_id == 0) using_gnome = 1; #endif // This defaults to argv[0], but we want it to match the name of the // shipped gvim.desktop so that Vim's windows can be associated with this // file. g_set_prgname("gvim"); // Don't use gtk_init() or gnome_init(), it exits on failure. if (!gtk_init_check(&gui_argc, &gui_argv)) { gui.dying = TRUE; emsg(_((char *)e_opendisp)); return FAIL; } return OK; } ///////////////////////////////////////////////////////////////////////////// // Mouse handling callbacks static guint mouse_click_timer = 0; static int mouse_timed_out = TRUE; /* * Timer used to recognize multiple clicks of the mouse button */ static timeout_cb_type mouse_click_timer_cb(gpointer data) { // we don't use this information currently int *timed_out = (int *) data; *timed_out = TRUE; return FALSE; // don't happen again } static guint motion_repeat_timer = 0; static int motion_repeat_offset = FALSE; static timeout_cb_type motion_repeat_timer_cb(gpointer); static void process_motion_notify(int x, int y, GdkModifierType state) { int button; int_u vim_modifiers; GtkAllocation allocation; button = (state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK | GDK_BUTTON4_MASK | GDK_BUTTON5_MASK)) ? MOUSE_DRAG : ' '; // If our pointer is currently hidden, then we should show it. gui_mch_mousehide(FALSE); // Just moving the rodent above the drawing area without any button // being pressed. if (button != MOUSE_DRAG) { gui_mouse_moved(x, y); return; } // translate modifier coding between the main engine and GTK vim_modifiers = modifiers_gdk2mouse(state); // inform the editor engine about the occurrence of this event gui_send_mouse_event(button, x, y, FALSE, vim_modifiers); /* * Auto repeat timer handling. */ gtk_widget_get_allocation(gui.drawarea, &allocation); if (x < 0 || y < 0 || x >= allocation.width || y >= allocation.height) { int dx; int dy; int offshoot; int delay = 10; // Calculate the maximal distance of the cursor from the drawing area. // (offshoot can't become negative here!). dx = x < 0 ? -x : x - allocation.width; dy = y < 0 ? -y : y - allocation.height; offshoot = dx > dy ? dx : dy; // Make a linearly decaying timer delay with a threshold of 5 at a // distance of 127 pixels from the main window. // // One could think endlessly about the most ergonomic variant here. // For example it could make sense to calculate the distance from the // drags start instead... // // Maybe a parabolic interpolation would suite us better here too... if (offshoot > 127) { // 5 appears to be somehow near to my perceptual limits :-). delay = 5; } else { delay = (130 * (127 - offshoot)) / 127 + 5; } // shoot again if (!motion_repeat_timer) motion_repeat_timer = timeout_add(delay, motion_repeat_timer_cb, NULL); } } #if GTK_CHECK_VERSION(3,0,0) static GdkDevice * gui_gtk_get_pointer_device(GtkWidget *widget) { GdkWindow * const win = gtk_widget_get_window(widget); GdkDisplay * const dpy = gdk_window_get_display(win); # if GTK_CHECK_VERSION(3,20,0) GdkSeat * const seat = gdk_display_get_default_seat(dpy); return gdk_seat_get_pointer(seat); # else GdkDeviceManager * const mngr = gdk_display_get_device_manager(dpy); return gdk_device_manager_get_client_pointer(mngr); # endif } static GdkWindow * gui_gtk_get_pointer(GtkWidget *widget, gint *x, gint *y, GdkModifierType *state) { GdkWindow * const win = gtk_widget_get_window(widget); GdkDevice * const dev = gui_gtk_get_pointer_device(widget); return gdk_window_get_device_position(win, dev , x, y, state); } # if defined(FEAT_GUI_TABLINE) || defined(PROTO) static GdkWindow * gui_gtk_window_at_position(GtkWidget *widget, gint *x, gint *y) { GdkDevice * const dev = gui_gtk_get_pointer_device(widget); return gdk_device_get_window_at_position(dev, x, y); } # endif #else // !GTK_CHECK_VERSION(3,0,0) # define gui_gtk_get_pointer(wid, x, y, s) \ gdk_window_get_pointer((wid)->window, x, y, s) # define gui_gtk_window_at_position(wid, x, y) gdk_window_at_pointer(x, y) #endif /* * Timer used to recognize multiple clicks of the mouse button. */ static timeout_cb_type motion_repeat_timer_cb(gpointer data UNUSED) { int x; int y; GdkModifierType state; gui_gtk_get_pointer(gui.drawarea, &x, &y, &state); if (!(state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK | GDK_BUTTON4_MASK | GDK_BUTTON5_MASK))) { motion_repeat_timer = 0; return FALSE; } // If there already is a mouse click in the input buffer, wait another // time (otherwise we would create a backlog of clicks) if (vim_used_in_input_buf() > 10) return TRUE; motion_repeat_timer = 0; /* * Fake a motion event. * Trick: Pretend the mouse moved to the next character on every other * event, otherwise drag events will be discarded, because they are still * in the same character. */ if (motion_repeat_offset) x += gui.char_width; motion_repeat_offset = !motion_repeat_offset; process_motion_notify(x, y, state); // Don't happen again. We will get reinstalled in the synthetic event // if needed -- thus repeating should still work. return FALSE; } static gint motion_notify_event(GtkWidget *widget, GdkEventMotion *event, gpointer data UNUSED) { if (event->is_hint) { int x; int y; GdkModifierType state; gui_gtk_get_pointer(widget, &x, &y, &state); process_motion_notify(x, y, state); } else { process_motion_notify((int)event->x, (int)event->y, (GdkModifierType)event->state); } return TRUE; // handled } /* * Mouse button handling. Note please that we are capturing multiple click's * by our own timeout mechanism instead of the one provided by GTK+ itself. * This is due to the way the generic VIM code is recognizing multiple clicks. */ static gint button_press_event(GtkWidget *widget, GdkEventButton *event, gpointer data UNUSED) { int button; int repeated_click = FALSE; int x, y; int_u vim_modifiers; gui.event_time = event->time; // Make sure we have focus now we've been selected if (gtk_socket_id != 0 && !gtk_widget_has_focus(widget)) gtk_widget_grab_focus(widget); /* * Don't let additional events about multiple clicks send by GTK to us * after the initial button press event confuse us. */ if (event->type != GDK_BUTTON_PRESS) return FALSE; x = event->x; y = event->y; // Handle multiple clicks if (!mouse_timed_out && mouse_click_timer) { timeout_remove(mouse_click_timer); mouse_click_timer = 0; repeated_click = TRUE; } mouse_timed_out = FALSE; mouse_click_timer = timeout_add(p_mouset, mouse_click_timer_cb, &mouse_timed_out); switch (event->button) { // Keep in sync with gui_x11.c. // Buttons 4-7 are handled in scroll_event() case 1: button = MOUSE_LEFT; break; case 2: button = MOUSE_MIDDLE; break; case 3: button = MOUSE_RIGHT; break; case 8: button = MOUSE_X1; break; case 9: button = MOUSE_X2; break; default: return FALSE; // Unknown button } #ifdef FEAT_XIM // cancel any preediting if (im_is_preediting()) xim_reset(); #endif vim_modifiers = modifiers_gdk2mouse(event->state); gui_send_mouse_event(button, x, y, repeated_click, vim_modifiers); return TRUE; } /* * GTK+ 2 abstracts scrolling via the GdkEventScroll. */ static gboolean scroll_event(GtkWidget *widget, GdkEventScroll *event, gpointer data UNUSED) { int button; int_u vim_modifiers; if (gtk_socket_id != 0 && !gtk_widget_has_focus(widget)) gtk_widget_grab_focus(widget); switch (event->direction) { case GDK_SCROLL_UP: button = MOUSE_4; break; case GDK_SCROLL_DOWN: button = MOUSE_5; break; case GDK_SCROLL_LEFT: button = MOUSE_7; break; case GDK_SCROLL_RIGHT: button = MOUSE_6; break; default: // This shouldn't happen return FALSE; } # ifdef FEAT_XIM // cancel any preediting if (im_is_preediting()) xim_reset(); # endif vim_modifiers = modifiers_gdk2mouse(event->state); gui_send_mouse_event(button, (int)event->x, (int)event->y, FALSE, vim_modifiers); return TRUE; } static gint button_release_event(GtkWidget *widget UNUSED, GdkEventButton *event, gpointer data UNUSED) { int x, y; int_u vim_modifiers; gui.event_time = event->time; // Remove any motion "machine gun" timers used for automatic further // extension of allocation areas if outside of the applications window // area . if (motion_repeat_timer) { timeout_remove(motion_repeat_timer); motion_repeat_timer = 0; } x = event->x; y = event->y; vim_modifiers = modifiers_gdk2mouse(event->state); gui_send_mouse_event(MOUSE_RELEASE, x, y, FALSE, vim_modifiers); return TRUE; } #ifdef FEAT_DND ///////////////////////////////////////////////////////////////////////////// // Drag aNd Drop support handlers. /* * Count how many items there may be and separate them with a NUL. * Apparently the items are separated with \r\n. This is not documented, * thus be careful not to go past the end. Also allow separation with * NUL characters. */ static int count_and_decode_uri_list(char_u *out, char_u *raw, int len) { int i; char_u *p = out; int count = 0; for (i = 0; i < len; ++i) { if (raw[i] == NUL || raw[i] == '\n' || raw[i] == '\r') { if (p > out && p[-1] != NUL) { ++count; *p++ = NUL; } } else if (raw[i] == '%' && i + 2 < len && hexhex2nr(raw + i + 1) > 0) { *p++ = hexhex2nr(raw + i + 1); i += 2; } else *p++ = raw[i]; } if (p > out && p[-1] != NUL) { *p = NUL; // last item didn't have \r or \n ++count; } return count; } /* * Parse NUL separated "src" strings. Make it an array "outlist" form. On * this process, URI which protocol is not "file:" are removed. Return * length of array (less than "max"). */ static int filter_uri_list(char_u **outlist, int max, char_u *src) { int i, j; for (i = j = 0; i < max; ++i) { outlist[i] = NULL; if (STRNCMP(src, "file:", 5) == 0) { src += 5; if (STRNCMP(src, "//localhost", 11) == 0) src += 11; while (src[0] == '/' && src[1] == '/') ++src; outlist[j++] = vim_strsave(src); } src += STRLEN(src) + 1; } return j; } static char_u ** parse_uri_list(int *count, char_u *data, int len) { int n = 0; char_u *tmp = NULL; char_u **array = NULL; if (data != NULL && len > 0 && (tmp = alloc(len + 1)) != NULL) { n = count_and_decode_uri_list(tmp, data, len); if (n > 0 && (array = ALLOC_MULT(char_u *, n)) != NULL) n = filter_uri_list(array, n, tmp); } vim_free(tmp); *count = n; return array; } static void drag_handle_uri_list(GdkDragContext *context, GtkSelectionData *data, guint time_, GdkModifierType state, gint x, gint y) { char_u **fnames; int nfiles = 0; fnames = parse_uri_list(&nfiles, (char_u *)gtk_selection_data_get_data(data), gtk_selection_data_get_length(data)); if (fnames != NULL && nfiles > 0) { int_u modifiers; gtk_drag_finish(context, TRUE, FALSE, time_); // accept modifiers = modifiers_gdk2mouse(state); gui_handle_drop(x, y, modifiers, fnames, nfiles); } else vim_free(fnames); } static void drag_handle_text(GdkDragContext *context, GtkSelectionData *data, guint time_, GdkModifierType state) { char_u dropkey[6] = {CSI, KS_MODIFIER, 0, CSI, KS_EXTRA, (char_u)KE_DROP}; char_u *text; int len; char_u *tmpbuf = NULL; text = (char_u *)gtk_selection_data_get_data(data); len = gtk_selection_data_get_length(data); if (gtk_selection_data_get_data_type(data) == utf8_string_atom) { if (input_conv.vc_type != CONV_NONE) tmpbuf = string_convert(&input_conv, text, &len); if (tmpbuf != NULL) text = tmpbuf; } dnd_yank_drag_data(text, (long)len); gtk_drag_finish(context, TRUE, FALSE, time_); // accept vim_free(tmpbuf); dropkey[2] = modifiers_gdk2vim(state); if (dropkey[2] != 0) add_to_input_buf(dropkey, (int)sizeof(dropkey)); else add_to_input_buf(dropkey + 3, (int)(sizeof(dropkey) - 3)); } /* * DND receiver. */ static void drag_data_received_cb(GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *data, guint info, guint time_, gpointer user_data UNUSED) { GdkModifierType state; // Guard against trash const guchar * const data_data = gtk_selection_data_get_data(data); const gint data_length = gtk_selection_data_get_length(data); const gint data_format = gtk_selection_data_get_format(data); if (data_data == NULL || data_length <= 0 || data_format != 8 || data_data[data_length] != '\0') { gtk_drag_finish(context, FALSE, FALSE, time_); return; } // Get the current modifier state for proper distinguishment between // different operations later. gui_gtk_get_pointer(widget, NULL, NULL, &state); // Not sure about the role of "text/plain" here... if (info == (guint)TARGET_TEXT_URI_LIST) drag_handle_uri_list(context, data, time_, state, x, y); else drag_handle_text(context, data, time_, state); } #endif // FEAT_DND #if defined(USE_GNOME_SESSION) /* * GnomeClient interact callback. Check for unsaved buffers that cannot * be abandoned and pop up a dialog asking the user for confirmation if * necessary. */ static void sm_client_check_changed_any(GnomeClient *client UNUSED, gint key, GnomeDialogType type UNUSED, gpointer data UNUSED) { cmdmod_T save_cmdmod; gboolean shutdown_cancelled; save_cmdmod = cmdmod; # ifdef FEAT_BROWSE cmdmod.browse = TRUE; # endif # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) cmdmod.confirm = TRUE; # endif /* * If there are changed buffers, present the user with * a dialog if possible, otherwise give an error message. */ shutdown_cancelled = check_changed_any(FALSE, FALSE); exiting = FALSE; cmdmod = save_cmdmod; setcursor(); // position the cursor out_flush(); /* * If the user hit the [Cancel] button the whole shutdown * will be cancelled. Wow, quite powerful feature (: */ gnome_interaction_key_return(key, shutdown_cancelled); } /* * "save_yourself" signal handler. Initiate an interaction to ask the user * for confirmation if necessary. Save the current editing session and tell * the session manager how to restart Vim. */ static gboolean sm_client_save_yourself(GnomeClient *client, gint phase UNUSED, GnomeSaveStyle save_style UNUSED, gboolean shutdown UNUSED, GnomeInteractStyle interact_style, gboolean fast UNUSED, gpointer data UNUSED) { static const char suffix[] = "-session.vim"; char *session_file; unsigned int len; gboolean success; // Always request an interaction if possible. check_changed_any() // won't actually show a dialog unless any buffers have been modified. // There doesn't seem to be an obvious way to check that without // automatically firing the dialog. Anyway, it works just fine. if (interact_style == GNOME_INTERACT_ANY) gnome_client_request_interaction(client, GNOME_DIALOG_NORMAL, &sm_client_check_changed_any, NULL); out_flush(); ml_sync_all(FALSE, FALSE); // preserve all swap files // The path is unique for each session save. We do neither know nor care // which session script will actually be used later. This decision is in // the domain of the session manager. session_file = gnome_config_get_real_path( gnome_client_get_config_prefix(client)); len = strlen(session_file); if (len > 0 && session_file[len-1] == G_DIR_SEPARATOR) --len; // get rid of the superfluous trailing '/' session_file = g_renew(char, session_file, len + sizeof(suffix)); memcpy(session_file + len, suffix, sizeof(suffix)); success = write_session_file((char_u *)session_file); if (success) { const char *argv[8]; int i; // Tell the session manager how to wipe out the stored session data. // This isn't as dangerous as it looks, don't worry :) session_file // is a unique absolute filename. Usually it'll be something like // `/home/user/.gnome2/vim-XXXXXX-session.vim'. i = 0; argv[i++] = "rm"; argv[i++] = session_file; argv[i] = NULL; gnome_client_set_discard_command(client, i, (char **)argv); // Tell the session manager how to restore the just saved session. // This is easily done thanks to Vim's -S option. Pass the -f flag // since there's no need to fork -- it might even cause confusion. // Also pass the window role to give the WM something to match on. // The role is set in gui_mch_open(), thus should _never_ be NULL. i = 0; argv[i++] = restart_command; argv[i++] = "-f"; argv[i++] = "-g"; argv[i++] = "--role"; argv[i++] = gtk_window_get_role(GTK_WINDOW(gui.mainwin)); argv[i++] = "-S"; argv[i++] = session_file; argv[i] = NULL; gnome_client_set_restart_command(client, i, (char **)argv); gnome_client_set_clone_command(client, 0, NULL); } g_free(session_file); return success; } /* * Called when the session manager wants us to die. There isn't much to save * here since "save_yourself" has been emitted before (unless serious trouble * is happening). */ static void sm_client_die(GnomeClient *client UNUSED, gpointer data UNUSED) { // Don't write messages to the GUI anymore full_screen = FALSE; vim_strncpy(IObuff, (char_u *) _("Vim: Received \"die\" request from session manager\n"), IOSIZE - 1); preserve_exit(); } /* * Connect our signal handlers to be notified on session save and shutdown. */ static void setup_save_yourself(void) { GnomeClient *client; client = gnome_master_client(); if (client != NULL) { // Must use the deprecated gtk_signal_connect() for compatibility // with GNOME 1. Arrgh, zombies! gtk_signal_connect(GTK_OBJECT(client), "save_yourself", GTK_SIGNAL_FUNC(&sm_client_save_yourself), NULL); gtk_signal_connect(GTK_OBJECT(client), "die", GTK_SIGNAL_FUNC(&sm_client_die), NULL); } } #else // !USE_GNOME_SESSION # ifdef USE_XSMP /* * GTK tells us that XSMP needs attention */ static gboolean local_xsmp_handle_requests( GIOChannel *source UNUSED, GIOCondition condition, gpointer data) { if (condition == G_IO_IN) { // Do stuff; maybe close connection if (xsmp_handle_requests() == FAIL) g_io_channel_unref((GIOChannel *)data); return TRUE; } // Error g_io_channel_unref((GIOChannel *)data); xsmp_close(); return TRUE; } # endif // USE_XSMP /* * Setup the WM_PROTOCOLS to indicate we want the WM_SAVE_YOURSELF event. * This is an ugly use of X functions. GTK doesn't offer an alternative. */ static void setup_save_yourself(void) { Atom *existing_atoms = NULL; int count = 0; # ifdef USE_XSMP if (xsmp_icefd != -1) { /* * Use XSMP is preference to legacy WM_SAVE_YOURSELF; * set up GTK IO monitor */ GIOChannel *g_io = g_io_channel_unix_new(xsmp_icefd); g_io_add_watch(g_io, G_IO_IN | G_IO_ERR | G_IO_HUP, local_xsmp_handle_requests, (gpointer)g_io); g_io_channel_unref(g_io); } else # endif { // Fall back to old method // first get the existing value GdkWindow * const mainwin_win = gtk_widget_get_window(gui.mainwin); if (XGetWMProtocols(GDK_WINDOW_XDISPLAY(mainwin_win), GDK_WINDOW_XID(mainwin_win), &existing_atoms, &count)) { Atom *new_atoms; Atom save_yourself_xatom; int i; save_yourself_xatom = GET_X_ATOM(save_yourself_atom); // check if WM_SAVE_YOURSELF isn't there yet for (i = 0; i < count; ++i) if (existing_atoms[i] == save_yourself_xatom) break; if (i == count) { // allocate an Atoms array which is one item longer new_atoms = ALLOC_MULT(Atom, count + 1); if (new_atoms != NULL) { memcpy(new_atoms, existing_atoms, count * sizeof(Atom)); new_atoms[count] = save_yourself_xatom; XSetWMProtocols(GDK_WINDOW_XDISPLAY(mainwin_win), GDK_WINDOW_XID(mainwin_win), new_atoms, count + 1); vim_free(new_atoms); } } XFree(existing_atoms); } } } /* * Installing a global event filter seems to be the only way to catch * client messages of type WM_PROTOCOLS without overriding GDK's own * client message event filter. Well, that's still better than trying * to guess what the GDK filter had done if it had been invoked instead * * GTK2_FIXME: This doesn't seem to work. For some reason we never * receive WM_SAVE_YOURSELF even though everything is set up correctly. * I have the nasty feeling modern session managers just don't send this * deprecated message anymore. Addition: confirmed by several people. * * The GNOME session support is much cooler anyway. Unlike this ugly * WM_SAVE_YOURSELF hack it actually stores the session... And yes, * it should work with KDE as well. */ static GdkFilterReturn global_event_filter(GdkXEvent *xev, GdkEvent *event UNUSED, gpointer data UNUSED) { XEvent *xevent = (XEvent *)xev; if (xevent != NULL && xevent->type == ClientMessage && xevent->xclient.message_type == GET_X_ATOM(wm_protocols_atom) && (long_u)xevent->xclient.data.l[0] == GET_X_ATOM(save_yourself_atom)) { out_flush(); ml_sync_all(FALSE, FALSE); // preserve all swap files /* * Set the window's WM_COMMAND property, to let the window manager * know we are done saving ourselves. We don't want to be * restarted, thus set argv to NULL. */ XSetCommand(GDK_WINDOW_XDISPLAY(gtk_widget_get_window(gui.mainwin)), GDK_WINDOW_XID(gtk_widget_get_window(gui.mainwin)), NULL, 0); return GDK_FILTER_REMOVE; } return GDK_FILTER_CONTINUE; } #endif // !USE_GNOME_SESSION /* * Setup the window icon & xcmdsrv comm after the main window has been realized. */ static void mainwin_realize(GtkWidget *widget UNUSED, gpointer data UNUSED) { // If you get an error message here, you still need to unpack the runtime // archive! #ifdef magick # undef magick #endif // A bit hackish, but avoids casting later and allows optimization # define static static const #define magick vim32x32 #include "../runtime/vim32x32.xpm" #undef magick #define magick vim16x16 #include "../runtime/vim16x16.xpm" #undef magick #define magick vim48x48 #include "../runtime/vim48x48.xpm" #undef magick # undef static GdkWindow * const mainwin_win = gtk_widget_get_window(gui.mainwin); // When started with "--echo-wid" argument, write window ID on stdout. if (echo_wid_arg) { printf("WID: %ld\n", (long)GDK_WINDOW_XID(mainwin_win)); fflush(stdout); } if (vim_strchr(p_go, GO_ICON) != NULL) { /* * Add an icon to the main window. For fun and convenience of the user. */ GList *icons = NULL; icons = g_list_prepend(icons, gdk_pixbuf_new_from_xpm_data(vim16x16)); icons = g_list_prepend(icons, gdk_pixbuf_new_from_xpm_data(vim32x32)); icons = g_list_prepend(icons, gdk_pixbuf_new_from_xpm_data(vim48x48)); gtk_window_set_icon_list(GTK_WINDOW(gui.mainwin), icons); // TODO: is this type cast OK? g_list_foreach(icons, (GFunc)(void *)&g_object_unref, NULL); g_list_free(icons); } #if !defined(USE_GNOME_SESSION) // Register a handler for WM_SAVE_YOURSELF with GDK's low-level X I/F gdk_window_add_filter(NULL, &global_event_filter, NULL); #endif // Setup to indicate to the window manager that we want to catch the // WM_SAVE_YOURSELF event. For GNOME, this connects to the session // manager instead. #if defined(USE_GNOME_SESSION) if (using_gnome) #endif setup_save_yourself(); #ifdef FEAT_CLIENTSERVER if (serverName == NULL && serverDelayedStartName != NULL) { // This is a :gui command in a plain vim with no previous server commWindow = GDK_WINDOW_XID(mainwin_win); (void)serverRegisterName(GDK_WINDOW_XDISPLAY(mainwin_win), serverDelayedStartName); } else { /* * Cannot handle "XLib-only" windows with gtk event routines, we'll * have to change the "server" registration to that of the main window * If we have not registered a name yet, remember the window. */ serverChangeRegisteredWindow(GDK_WINDOW_XDISPLAY(mainwin_win), GDK_WINDOW_XID(mainwin_win)); } gtk_widget_add_events(gui.mainwin, GDK_PROPERTY_CHANGE_MASK); g_signal_connect(G_OBJECT(gui.mainwin), "property-notify-event", G_CALLBACK(property_event), NULL); #endif } static GdkCursor * create_blank_pointer(void) { GdkWindow *root_window = NULL; #if GTK_CHECK_VERSION(3,0,0) GdkPixbuf *blank_mask; #else GdkPixmap *blank_mask; #endif GdkCursor *cursor; #if GTK_CHECK_VERSION(3,0,0) GdkRGBA color = { 0.0, 0.0, 0.0, 1.0 }; #else GdkColor color = { 0, 0, 0, 0 }; char blank_data[] = { 0x0 }; #endif #if GTK_CHECK_VERSION(3,12,0) { GdkWindow * const win = gtk_widget_get_window(gui.mainwin); GdkScreen * const scrn = gdk_window_get_screen(win); root_window = gdk_screen_get_root_window(scrn); } #else root_window = gtk_widget_get_root_window(gui.mainwin); #endif // Create a pseudo blank pointer, which is in fact one pixel by one pixel // in size. #if GTK_CHECK_VERSION(3,0,0) { cairo_surface_t *surf; cairo_t *cr; surf = cairo_image_surface_create(CAIRO_FORMAT_A1, 1, 1); cr = cairo_create(surf); cairo_set_source_rgba(cr, color.red, color.green, color.blue, color.alpha); cairo_rectangle(cr, 0, 0, 1, 1); cairo_fill(cr); cairo_destroy(cr); blank_mask = gdk_pixbuf_get_from_surface(surf, 0, 0, 1, 1); cairo_surface_destroy(surf); cursor = gdk_cursor_new_from_pixbuf(gdk_window_get_display(root_window), blank_mask, 0, 0); g_object_unref(blank_mask); } #else blank_mask = gdk_bitmap_create_from_data(root_window, blank_data, 1, 1); cursor = gdk_cursor_new_from_pixmap(blank_mask, blank_mask, &color, &color, 0, 0); gdk_bitmap_unref(blank_mask); #endif return cursor; } static void mainwin_screen_changed_cb(GtkWidget *widget, GdkScreen *previous_screen UNUSED, gpointer data UNUSED) { if (!gtk_widget_has_screen(widget)) return; /* * Recreate the invisible mouse cursor. */ if (gui.blank_pointer != NULL) #if GTK_CHECK_VERSION(3,0,0) g_object_unref(G_OBJECT(gui.blank_pointer)); #else gdk_cursor_unref(gui.blank_pointer); #endif gui.blank_pointer = create_blank_pointer(); if (gui.pointer_hidden && gtk_widget_get_window(gui.drawarea) != NULL) gdk_window_set_cursor(gtk_widget_get_window(gui.drawarea), gui.blank_pointer); /* * Create a new PangoContext for this screen, and initialize it * with the current font if necessary. */ if (gui.text_context != NULL) g_object_unref(gui.text_context); gui.text_context = gtk_widget_create_pango_context(widget); pango_context_set_base_dir(gui.text_context, PANGO_DIRECTION_LTR); if (gui.norm_font != NULL) { gui_mch_init_font(p_guifont, FALSE); gui_set_shellsize(TRUE, FALSE, RESIZE_BOTH); } } /* * After the drawing area comes up, we calculate all colors and create the * dummy blank cursor. * * Don't try to set any VIM scrollbar sizes anywhere here. I'm relying on the * fact that the main VIM engine doesn't take them into account anywhere. */ static void drawarea_realize_cb(GtkWidget *widget, gpointer data UNUSED) { GtkWidget *sbar; GtkAllocation allocation; #ifdef FEAT_XIM xim_init(); #endif gui_mch_new_colors(); #if GTK_CHECK_VERSION(3,0,0) gui.surface = gdk_window_create_similar_surface( gtk_widget_get_window(widget), CAIRO_CONTENT_COLOR_ALPHA, gtk_widget_get_allocated_width(widget), gtk_widget_get_allocated_height(widget)); #else gui.text_gc = gdk_gc_new(gui.drawarea->window); #endif gui.blank_pointer = create_blank_pointer(); if (gui.pointer_hidden) gdk_window_set_cursor(gtk_widget_get_window(widget), gui.blank_pointer); // get the actual size of the scrollbars, if they are realized sbar = firstwin->w_scrollbars[SBAR_LEFT].id; if (!sbar || (!gui.which_scrollbars[SBAR_LEFT] && firstwin->w_scrollbars[SBAR_RIGHT].id)) sbar = firstwin->w_scrollbars[SBAR_RIGHT].id; gtk_widget_get_allocation(sbar, &allocation); if (sbar && gtk_widget_get_realized(sbar) && allocation.width) gui.scrollbar_width = allocation.width; sbar = gui.bottom_sbar.id; if (sbar && gtk_widget_get_realized(sbar) && allocation.height) gui.scrollbar_height = allocation.height; } /* * Properly clean up on shutdown. */ static void drawarea_unrealize_cb(GtkWidget *widget UNUSED, gpointer data UNUSED) { // Don't write messages to the GUI anymore full_screen = FALSE; #ifdef FEAT_XIM im_shutdown(); #endif if (gui.ascii_glyphs != NULL) { pango_glyph_string_free(gui.ascii_glyphs); gui.ascii_glyphs = NULL; } if (gui.ascii_font != NULL) { g_object_unref(gui.ascii_font); gui.ascii_font = NULL; } g_object_unref(gui.text_context); gui.text_context = NULL; #if GTK_CHECK_VERSION(3,0,0) if (gui.surface != NULL) { cairo_surface_destroy(gui.surface); gui.surface = NULL; } #else g_object_unref(gui.text_gc); gui.text_gc = NULL; #endif #if GTK_CHECK_VERSION(3,0,0) g_object_unref(G_OBJECT(gui.blank_pointer)); #else gdk_cursor_unref(gui.blank_pointer); #endif gui.blank_pointer = NULL; } #if GTK_CHECK_VERSION(3,22,2) static void drawarea_style_updated_cb(GtkWidget *widget UNUSED, gpointer data UNUSED) #else static void drawarea_style_set_cb(GtkWidget *widget UNUSED, GtkStyle *previous_style UNUSED, gpointer data UNUSED) #endif { gui_mch_new_colors(); } #if GTK_CHECK_VERSION(3,0,0) static gboolean drawarea_configure_event_cb(GtkWidget *widget, GdkEventConfigure *event, gpointer data UNUSED) { static int cur_width = 0; static int cur_height = 0; g_return_val_if_fail(event && event->width >= 1 && event->height >= 1, TRUE); # if GTK_CHECK_VERSION(3,22,2) && !GTK_CHECK_VERSION(3,22,4) // As of 3.22.2, GdkWindows have started distributing configure events to // their "native" children (https://git.gnome.org/browse/gtk+/commit/?h=gtk-3-22&id=12579fe71b3b8f79eb9c1b80e429443bcc437dd0). // // As can be seen from the implementation of move_native_children() and // configure_native_child() in gdkwindow.c, those functions actually // propagate configure events to every child, failing to distinguish // "native" one from non-native one. // // Naturally, configure events propagated to here like that are fallacious // and, as a matter of fact, they trigger a geometric collapse of // gui.drawarea in fullscreen and maximized modes. // // To filter out such nuisance events, we are making use of the fact that // the field send_event of such GdkEventConfigures is set to FALSE in // configure_native_child(). // // Obviously, this is a terrible hack making GVim depend on GTK's // implementation details. Therefore, watch out any relevant internal // changes happening in GTK in the feature (sigh). // // Follow-up // After a few weeks later, the GdkWindow change mentioned above was // reverted (https://git.gnome.org/browse/gtk+/commit/?h=gtk-3-22&id=f70039cb9603a02d2369fec4038abf40a1711155). // The corresponding official release is 3.22.4. if (event->send_event == FALSE) return TRUE; # endif if (event->width == cur_width && event->height == cur_height) return TRUE; cur_width = event->width; cur_height = event->height; if (gui.surface != NULL) cairo_surface_destroy(gui.surface); gui.surface = gdk_window_create_similar_surface( gtk_widget_get_window(widget), CAIRO_CONTENT_COLOR_ALPHA, event->width, event->height); gtk_widget_queue_draw(widget); return TRUE; } #endif /* * Callback routine for the "delete_event" signal on the toplevel window. * Tries to vim gracefully, or refuses to exit with changed buffers. */ static gint delete_event_cb(GtkWidget *widget UNUSED, GdkEventAny *event UNUSED, gpointer data UNUSED) { gui_shell_closed(); return TRUE; } #if defined(FEAT_MENU) || defined(FEAT_TOOLBAR) || defined(FEAT_GUI_TABLINE) static int get_item_dimensions(GtkWidget *widget, GtkOrientation orientation) { # ifdef FEAT_GUI_GNOME GtkOrientation item_orientation = GTK_ORIENTATION_HORIZONTAL; if (using_gnome && widget != NULL) { GtkWidget *parent; BonoboDockItem *dockitem; parent = gtk_widget_get_parent(widget); if (G_TYPE_FROM_INSTANCE(parent) == BONOBO_TYPE_DOCK_ITEM) { // Only menu & toolbar are dock items. Could tabline be? // Seem to be only the 2 defined in GNOME widget = parent; dockitem = BONOBO_DOCK_ITEM(widget); if (dockitem == NULL || dockitem->is_floating) return 0; item_orientation = bonobo_dock_item_get_orientation(dockitem); } } # else # define item_orientation GTK_ORIENTATION_HORIZONTAL # endif if (widget != NULL && item_orientation == orientation && gtk_widget_get_realized(widget) && gtk_widget_get_visible(widget)) { # if GTK_CHECK_VERSION(3,0,0) || !defined(FEAT_GUI_GNOME) GtkAllocation allocation; gtk_widget_get_allocation(widget, &allocation); return allocation.height; # else if (orientation == GTK_ORIENTATION_HORIZONTAL) return widget->allocation.height; else return widget->allocation.width; # endif } return 0; } #endif static int get_menu_tool_width(void) { int width = 0; #ifdef FEAT_GUI_GNOME // these are never vertical without GNOME # ifdef FEAT_MENU width += get_item_dimensions(gui.menubar, GTK_ORIENTATION_VERTICAL); # endif # ifdef FEAT_TOOLBAR width += get_item_dimensions(gui.toolbar, GTK_ORIENTATION_VERTICAL); # endif # ifdef FEAT_GUI_TABLINE if (gui.tabline != NULL) width += get_item_dimensions(gui.tabline, GTK_ORIENTATION_VERTICAL); # endif #endif return width; } static int get_menu_tool_height(void) { int height = 0; #ifdef FEAT_MENU height += get_item_dimensions(gui.menubar, GTK_ORIENTATION_HORIZONTAL); #endif #ifdef FEAT_TOOLBAR height += get_item_dimensions(gui.toolbar, GTK_ORIENTATION_HORIZONTAL); #endif #ifdef FEAT_GUI_TABLINE if (gui.tabline != NULL) height += get_item_dimensions(gui.tabline, GTK_ORIENTATION_HORIZONTAL); #endif return height; } // This controls whether we can set the real window hints at // start-up when in a GtkPlug. // 0 = normal processing (default) // 1 = init. hints set, no-one's tried to reset since last check // 2 = init. hints set, attempt made to change hints static int init_window_hints_state = 0; static void update_window_manager_hints(int force_width, int force_height) { static int old_width = 0; static int old_height = 0; static int old_min_width = 0; static int old_min_height = 0; static int old_char_width = 0; static int old_char_height = 0; int width; int height; int min_width; int min_height; // At start-up, don't try to set the hints until the initial // values have been used (those that dictate our initial size) // Let forced (i.e., correct) values through always. if (!(force_width && force_height) && init_window_hints_state > 0) { // Don't do it! init_window_hints_state = 2; return; } // This also needs to be done when the main window isn't there yet, // otherwise the hints don't work. width = gui_get_base_width(); height = gui_get_base_height(); # ifdef FEAT_MENU height += tabline_height() * gui.char_height; # endif width += get_menu_tool_width(); height += get_menu_tool_height(); // GtkSockets use GtkPlug's [gui,mainwin] min-size hints to determine // their actual widget size. When we set our size ourselves (e.g., // 'set columns=' or init. -geom) we briefly set the min. to the size // we wish to be instead of the legitimate minimum so that we actually // resize correctly. if (force_width && force_height) { min_width = force_width; min_height = force_height; } else { min_width = width + MIN_COLUMNS * gui.char_width; min_height = height + MIN_LINES * gui.char_height; } // Avoid an expose event when the size didn't change. if (width != old_width || height != old_height || min_width != old_min_width || min_height != old_min_height || gui.char_width != old_char_width || gui.char_height != old_char_height) { GdkGeometry geometry; GdkWindowHints geometry_mask; geometry.width_inc = gui.char_width; geometry.height_inc = gui.char_height; geometry.base_width = width; geometry.base_height = height; geometry.min_width = min_width; geometry.min_height = min_height; geometry_mask = GDK_HINT_BASE_SIZE|GDK_HINT_RESIZE_INC |GDK_HINT_MIN_SIZE; // Using gui.formwin as geometry widget doesn't work as expected // with GTK+ 2 -- dunno why. Presumably all the resizing hacks // in Vim confuse GTK+. gtk_window_set_geometry_hints(GTK_WINDOW(gui.mainwin), gui.mainwin, &geometry, geometry_mask); old_width = width; old_height = height; old_min_width = min_width; old_min_height = min_height; old_char_width = gui.char_width; old_char_height = gui.char_height; } } #if defined(FEAT_GUI_DARKTHEME) || defined(PROTO) void gui_mch_set_dark_theme(int dark) { # if GTK_CHECK_VERSION(3,0,0) GtkSettings *gtk_settings; gtk_settings = gtk_settings_get_for_screen(gdk_screen_get_default()); g_object_set(gtk_settings, "gtk-application-prefer-dark-theme", (gboolean)dark, NULL); # endif } #endif // FEAT_GUI_DARKTHEME #ifdef FEAT_TOOLBAR /* * This extra effort wouldn't be necessary if we only used stock icons in the * toolbar, as we do for all builtin icons. But user-defined toolbar icons * shouldn't be treated differently, thus we do need this. */ static void icon_size_changed_foreach(GtkWidget *widget, gpointer user_data) { if (GTK_IS_IMAGE(widget)) { GtkImage *image = (GtkImage *)widget; # if GTK_CHECK_VERSION(3,10,0) if (gtk_image_get_storage_type(image) == GTK_IMAGE_ICON_NAME) { const GtkIconSize icon_size = GPOINTER_TO_INT(user_data); const gchar *icon_name; gtk_image_get_icon_name(image, &icon_name, NULL); image = (GtkImage *)gtk_image_new_from_icon_name( icon_name, icon_size); } # else // User-defined icons are stored in a GtkIconSet if (gtk_image_get_storage_type(image) == GTK_IMAGE_ICON_SET) { GtkIconSet *icon_set; GtkIconSize icon_size; gtk_image_get_icon_set(image, &icon_set, &icon_size); icon_size = (GtkIconSize)(long)user_data; gtk_icon_set_ref(icon_set); gtk_image_set_from_icon_set(image, icon_set, icon_size); gtk_icon_set_unref(icon_set); } # endif } else if (GTK_IS_CONTAINER(widget)) { gtk_container_foreach((GtkContainer *)widget, &icon_size_changed_foreach, user_data); } } static void set_toolbar_style(GtkToolbar *toolbar) { GtkToolbarStyle style; GtkIconSize size; GtkIconSize oldsize; if ((toolbar_flags & (TOOLBAR_TEXT | TOOLBAR_ICONS | TOOLBAR_HORIZ)) == (TOOLBAR_TEXT | TOOLBAR_ICONS | TOOLBAR_HORIZ)) style = GTK_TOOLBAR_BOTH_HORIZ; else if ((toolbar_flags & (TOOLBAR_TEXT | TOOLBAR_ICONS)) == (TOOLBAR_TEXT | TOOLBAR_ICONS)) style = GTK_TOOLBAR_BOTH; else if (toolbar_flags & TOOLBAR_TEXT) style = GTK_TOOLBAR_TEXT; else style = GTK_TOOLBAR_ICONS; gtk_toolbar_set_style(toolbar, style); # if !GTK_CHECK_VERSION(3,0,0) gtk_toolbar_set_tooltips(toolbar, (toolbar_flags & TOOLBAR_TOOLTIPS) != 0); # endif switch (tbis_flags) { case TBIS_TINY: size = GTK_ICON_SIZE_MENU; break; case TBIS_SMALL: size = GTK_ICON_SIZE_SMALL_TOOLBAR; break; case TBIS_MEDIUM: size = GTK_ICON_SIZE_BUTTON; break; case TBIS_LARGE: size = GTK_ICON_SIZE_LARGE_TOOLBAR; break; case TBIS_HUGE: size = GTK_ICON_SIZE_DND; break; case TBIS_GIANT: size = GTK_ICON_SIZE_DIALOG; break; default: size = GTK_ICON_SIZE_INVALID; break; } oldsize = gtk_toolbar_get_icon_size(toolbar); if (size == GTK_ICON_SIZE_INVALID) { // Let global user preferences decide the icon size. gtk_toolbar_unset_icon_size(toolbar); size = gtk_toolbar_get_icon_size(toolbar); } if (size != oldsize) { gtk_container_foreach(GTK_CONTAINER(toolbar), &icon_size_changed_foreach, GINT_TO_POINTER((int)size)); } gtk_toolbar_set_icon_size(toolbar, size); } #endif // FEAT_TOOLBAR #if defined(FEAT_GUI_TABLINE) || defined(PROTO) static int ignore_tabline_evt = FALSE; static GtkWidget *tabline_menu; # if !GTK_CHECK_VERSION(3,0,0) static GtkTooltips *tabline_tooltip; # endif static int clicked_page; // page clicked in tab line /* * Handle selecting an item in the tab line popup menu. */ static void tabline_menu_handler(GtkMenuItem *item UNUSED, gpointer user_data) { // Add the string cmd into input buffer send_tabline_menu_event(clicked_page, (int)(long)user_data); } static void add_tabline_menu_item(GtkWidget *menu, char_u *text, int resp) { GtkWidget *item; char_u *utf_text; utf_text = CONVERT_TO_UTF8(text); item = gtk_menu_item_new_with_label((const char *)utf_text); gtk_widget_show(item); CONVERT_TO_UTF8_FREE(utf_text); gtk_container_add(GTK_CONTAINER(menu), item); g_signal_connect(G_OBJECT(item), "activate", G_CALLBACK(tabline_menu_handler), GINT_TO_POINTER(resp)); } /* * Create a menu for the tab line. */ static GtkWidget * create_tabline_menu(void) { GtkWidget *menu; menu = gtk_menu_new(); add_tabline_menu_item(menu, (char_u *)_("Close tab"), TABLINE_MENU_CLOSE); add_tabline_menu_item(menu, (char_u *)_("New tab"), TABLINE_MENU_NEW); add_tabline_menu_item(menu, (char_u *)_("Open Tab..."), TABLINE_MENU_OPEN); return menu; } static gboolean on_tabline_menu(GtkWidget *widget, GdkEvent *event) { // Was this button press event ? if (event->type == GDK_BUTTON_PRESS) { GdkEventButton *bevent = (GdkEventButton *)event; int x = bevent->x; int y = bevent->y; GtkWidget *tabwidget; GdkWindow *tabwin; // When ignoring events return TRUE so that the selected page doesn't // change. if (hold_gui_events # ifdef FEAT_CMDWIN || cmdwin_type != 0 # endif ) return TRUE; tabwin = gui_gtk_window_at_position(gui.mainwin, &x, &y); gdk_window_get_user_data(tabwin, (gpointer)&tabwidget); clicked_page = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(tabwidget), "tab_num")); // If the event was generated for 3rd button popup the menu. if (bevent->button == 3) { # if GTK_CHECK_VERSION(3,22,2) gtk_menu_popup_at_pointer(GTK_MENU(widget), event); # else gtk_menu_popup(GTK_MENU(widget), NULL, NULL, NULL, NULL, bevent->button, bevent->time); # endif // We handled the event. return TRUE; } else if (bevent->button == 1) { if (clicked_page == 0) { // Click after all tabs moves to next tab page. When "x" is // small guess it's the left button. send_tabline_event(x < 50 ? -1 : 0); } } } // We didn't handle the event. return FALSE; } /* * Handle selecting one of the tabs. */ static void on_select_tab( GtkNotebook *notebook UNUSED, gpointer *page UNUSED, gint idx, gpointer data UNUSED) { if (!ignore_tabline_evt) send_tabline_event(idx + 1); } # if GTK_CHECK_VERSION(2,10,0) /* * Handle reordering the tabs (using D&D). */ static void on_tab_reordered( GtkNotebook *notebook UNUSED, gpointer *page UNUSED, gint idx, gpointer data UNUSED) { if (!ignore_tabline_evt) { if ((tabpage_index(curtab) - 1) < idx) tabpage_move(idx + 1); else tabpage_move(idx); } } # endif /* * Show or hide the tabline. */ void gui_mch_show_tabline(int showit) { if (gui.tabline == NULL) return; if (!showit != !gtk_notebook_get_show_tabs(GTK_NOTEBOOK(gui.tabline))) { // Note: this may cause a resize event gtk_notebook_set_show_tabs(GTK_NOTEBOOK(gui.tabline), showit); update_window_manager_hints(0, 0); if (showit) gtk_widget_set_can_focus(GTK_WIDGET(gui.tabline), FALSE); } gui_mch_update(); } /* * Return TRUE when tabline is displayed. */ int gui_mch_showing_tabline(void) { return gui.tabline != NULL && gtk_notebook_get_show_tabs(GTK_NOTEBOOK(gui.tabline)); } /* * Update the labels of the tabline. */ void gui_mch_update_tabline(void) { GtkWidget *page; GtkWidget *event_box; GtkWidget *label; tabpage_T *tp; int nr = 0; int tab_num; int curtabidx = 0; char_u *labeltext; if (gui.tabline == NULL) return; ignore_tabline_evt = TRUE; // Add a label for each tab page. They all contain the same text area. for (tp = first_tabpage; tp != NULL; tp = tp->tp_next, ++nr) { if (tp == curtab) curtabidx = nr; tab_num = nr + 1; page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(gui.tabline), nr); if (page == NULL) { // Add notebook page # if GTK_CHECK_VERSION(3,2,0) page = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); gtk_box_set_homogeneous(GTK_BOX(page), FALSE); # else page = gtk_vbox_new(FALSE, 0); # endif gtk_widget_show(page); event_box = gtk_event_box_new(); gtk_widget_show(event_box); label = gtk_label_new("-Empty-"); # if !GTK_CHECK_VERSION(3,14,0) gtk_misc_set_padding(GTK_MISC(label), 2, 2); # endif gtk_container_add(GTK_CONTAINER(event_box), label); gtk_widget_show(label); gtk_notebook_insert_page(GTK_NOTEBOOK(gui.tabline), page, event_box, nr++); # if GTK_CHECK_VERSION(2,10,0) gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(gui.tabline), page, TRUE); # endif } event_box = gtk_notebook_get_tab_label(GTK_NOTEBOOK(gui.tabline), page); g_object_set_data(G_OBJECT(event_box), "tab_num", GINT_TO_POINTER(tab_num)); label = gtk_bin_get_child(GTK_BIN(event_box)); get_tabline_label(tp, FALSE); labeltext = CONVERT_TO_UTF8(NameBuff); gtk_label_set_text(GTK_LABEL(label), (const char *)labeltext); CONVERT_TO_UTF8_FREE(labeltext); get_tabline_label(tp, TRUE); labeltext = CONVERT_TO_UTF8(NameBuff); # if GTK_CHECK_VERSION(3,0,0) gtk_widget_set_tooltip_text(event_box, (const gchar *)labeltext); # else gtk_tooltips_set_tip(GTK_TOOLTIPS(tabline_tooltip), event_box, (const char *)labeltext, NULL); # endif CONVERT_TO_UTF8_FREE(labeltext); } // Remove any old labels. while (gtk_notebook_get_nth_page(GTK_NOTEBOOK(gui.tabline), nr) != NULL) gtk_notebook_remove_page(GTK_NOTEBOOK(gui.tabline), nr); if (gtk_notebook_get_current_page(GTK_NOTEBOOK(gui.tabline)) != curtabidx) gtk_notebook_set_current_page(GTK_NOTEBOOK(gui.tabline), curtabidx); // Make sure everything is in place before drawing text. gui_mch_update(); ignore_tabline_evt = FALSE; } /* * Set the current tab to "nr". First tab is 1. */ void gui_mch_set_curtab(int nr) { if (gui.tabline == NULL) return; ignore_tabline_evt = TRUE; if (gtk_notebook_get_current_page(GTK_NOTEBOOK(gui.tabline)) != nr - 1) gtk_notebook_set_current_page(GTK_NOTEBOOK(gui.tabline), nr - 1); ignore_tabline_evt = FALSE; } #endif // FEAT_GUI_TABLINE /* * Add selection targets for PRIMARY and CLIPBOARD selections. */ void gui_gtk_set_selection_targets(void) { int i, j = 0; int n_targets = N_SELECTION_TARGETS; GtkTargetEntry targets[N_SELECTION_TARGETS]; for (i = 0; i < (int)N_SELECTION_TARGETS; ++i) { // OpenOffice tries to use TARGET_HTML and fails when we don't // return something, instead of trying another target. Therefore only // offer TARGET_HTML when it works. if (!clip_html && selection_targets[i].info == TARGET_HTML) n_targets--; else targets[j++] = selection_targets[i]; } gtk_selection_clear_targets(gui.drawarea, (GdkAtom)GDK_SELECTION_PRIMARY); gtk_selection_clear_targets(gui.drawarea, (GdkAtom)clip_plus.gtk_sel_atom); gtk_selection_add_targets(gui.drawarea, (GdkAtom)GDK_SELECTION_PRIMARY, targets, n_targets); gtk_selection_add_targets(gui.drawarea, (GdkAtom)clip_plus.gtk_sel_atom, targets, n_targets); } /* * Set up for receiving DND items. */ void gui_gtk_set_dnd_targets(void) { int i, j = 0; int n_targets = N_DND_TARGETS; GtkTargetEntry targets[N_DND_TARGETS]; for (i = 0; i < (int)N_DND_TARGETS; ++i) { if (!clip_html && dnd_targets[i].info == TARGET_HTML) n_targets--; else targets[j++] = dnd_targets[i]; } gtk_drag_dest_unset(gui.drawarea); gtk_drag_dest_set(gui.drawarea, GTK_DEST_DEFAULT_ALL, targets, n_targets, GDK_ACTION_COPY | GDK_ACTION_MOVE); } /* * Initialize the GUI. Create all the windows, set up all the callbacks etc. * Returns OK for success, FAIL when the GUI can't be started. */ int gui_mch_init(void) { GtkWidget *vbox; #ifdef FEAT_GUI_GNOME // Initialize the GNOME libraries. gnome_program_init()/gnome_init() // exits on failure, but that's a non-issue because we already called // gtk_init_check() in gui_mch_init_check(). if (using_gnome) { gnome_program_init(VIMPACKAGE, VIM_VERSION_SHORT, LIBGNOMEUI_MODULE, gui_argc, gui_argv, NULL); # if defined(FEAT_FLOAT) && defined(LC_NUMERIC) { char *p = setlocale(LC_NUMERIC, NULL); // Make sure strtod() uses a decimal point, not a comma. Gnome // init may change it. if (p == NULL || strcmp(p, "C") != 0) setlocale(LC_NUMERIC, "C"); } # endif } #endif VIM_CLEAR(gui_argv); #if GLIB_CHECK_VERSION(2,1,3) // Set the human-readable application name g_set_application_name("Vim"); #endif /* * Force UTF-8 output no matter what the value of 'encoding' is. * did_set_string_option() in option.c prohibits changing 'termencoding' * to something else than UTF-8 if the GUI is in use. */ set_option_value((char_u *)"termencoding", 0L, (char_u *)"utf-8", 0); #ifdef FEAT_TOOLBAR gui_gtk_register_stock_icons(); #endif // FIXME: Need to install the classic icons and a gtkrc.classic file. // The hard part is deciding install locations and the Makefile magic. #if !GTK_CHECK_VERSION(3,0,0) # if 0 gtk_rc_parse("gtkrc"); # endif #endif // Initialize values gui.border_width = 2; gui.scrollbar_width = SB_DEFAULT_WIDTH; gui.scrollbar_height = SB_DEFAULT_WIDTH; #if GTK_CHECK_VERSION(3,0,0) gui.fgcolor = g_new(GdkRGBA, 1); gui.bgcolor = g_new(GdkRGBA, 1); gui.spcolor = g_new(GdkRGBA, 1); #else // LINTED: avoid warning: conversion to 'unsigned long' gui.fgcolor = g_new0(GdkColor, 1); // LINTED: avoid warning: conversion to 'unsigned long' gui.bgcolor = g_new0(GdkColor, 1); // LINTED: avoid warning: conversion to 'unsigned long' gui.spcolor = g_new0(GdkColor, 1); #endif // Initialise atoms html_atom = gdk_atom_intern("text/html", FALSE); utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE); // Set default foreground and background colors. gui.norm_pixel = gui.def_norm_pixel; gui.back_pixel = gui.def_back_pixel; if (gtk_socket_id != 0) { GtkWidget *plug; // Use GtkSocket from another app. plug = gtk_plug_new_for_display(gdk_display_get_default(), gtk_socket_id); if (plug != NULL && gtk_plug_get_socket_window(GTK_PLUG(plug)) != NULL) { gui.mainwin = plug; } else { g_warning("Connection to GTK+ socket (ID %u) failed", (unsigned int)gtk_socket_id); // Pretend we never wanted it if it failed (get own window) gtk_socket_id = 0; } } if (gtk_socket_id == 0) { #ifdef FEAT_GUI_GNOME if (using_gnome) { gui.mainwin = gnome_app_new("Vim", NULL); # ifdef USE_XSMP // Use the GNOME save-yourself functionality now. xsmp_close(); # endif } else #endif gui.mainwin = gtk_window_new(GTK_WINDOW_TOPLEVEL); } gtk_widget_set_name(gui.mainwin, "vim-main-window"); // Create the PangoContext used for drawing all text. gui.text_context = gtk_widget_create_pango_context(gui.mainwin); pango_context_set_base_dir(gui.text_context, PANGO_DIRECTION_LTR); gtk_container_set_border_width(GTK_CONTAINER(gui.mainwin), 0); gtk_widget_add_events(gui.mainwin, GDK_VISIBILITY_NOTIFY_MASK); g_signal_connect(G_OBJECT(gui.mainwin), "delete-event", G_CALLBACK(&delete_event_cb), NULL); g_signal_connect(G_OBJECT(gui.mainwin), "realize", G_CALLBACK(&mainwin_realize), NULL); g_signal_connect(G_OBJECT(gui.mainwin), "screen-changed", G_CALLBACK(&mainwin_screen_changed_cb), NULL); gui.accel_group = gtk_accel_group_new(); gtk_window_add_accel_group(GTK_WINDOW(gui.mainwin), gui.accel_group); // A vertical box holds the menubar, toolbar and main text window. #if GTK_CHECK_VERSION(3,2,0) vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); gtk_box_set_homogeneous(GTK_BOX(vbox), FALSE); #else vbox = gtk_vbox_new(FALSE, 0); #endif #ifdef FEAT_GUI_GNOME if (using_gnome) { # if defined(FEAT_MENU) // automagically restore menubar/toolbar placement gnome_app_enable_layout_config(GNOME_APP(gui.mainwin), TRUE); # endif gnome_app_set_contents(GNOME_APP(gui.mainwin), vbox); } else #endif { gtk_container_add(GTK_CONTAINER(gui.mainwin), vbox); gtk_widget_show(vbox); } #ifdef FEAT_MENU /* * Create the menubar and handle */ gui.menubar = gtk_menu_bar_new(); gtk_widget_set_name(gui.menubar, "vim-menubar"); // Avoid that GTK takes <F10> away from us. { GtkSettings *gtk_settings; gtk_settings = gtk_settings_get_for_screen(gdk_screen_get_default()); g_object_set(gtk_settings, "gtk-menu-bar-accel", NULL, NULL); } # ifdef FEAT_GUI_GNOME if (using_gnome) { BonoboDockItem *dockitem; gnome_app_set_menus(GNOME_APP(gui.mainwin), GTK_MENU_BAR(gui.menubar)); dockitem = gnome_app_get_dock_item_by_name(GNOME_APP(gui.mainwin), GNOME_APP_MENUBAR_NAME); // We don't want the menu to float. bonobo_dock_item_set_behavior(dockitem, bonobo_dock_item_get_behavior(dockitem) | BONOBO_DOCK_ITEM_BEH_NEVER_FLOATING); gui.menubar_h = GTK_WIDGET(dockitem); } else # endif // FEAT_GUI_GNOME { // Always show the menubar, otherwise <F10> doesn't work. It may be // disabled in gui_init() later. gtk_widget_show(gui.menubar); gtk_box_pack_start(GTK_BOX(vbox), gui.menubar, FALSE, FALSE, 0); } #endif // FEAT_MENU #ifdef FEAT_TOOLBAR /* * Create the toolbar and handle */ // some aesthetics on the toolbar # ifdef USE_GTK3 // TODO: Add GTK+ 3 code here using GtkCssProvider if necessary. // N.B. Since the default value of GtkToolbar::button-relief is // GTK_RELIEF_NONE, there's no need to specify that, probably. # else gtk_rc_parse_string( "style \"vim-toolbar-style\" {\n" " GtkToolbar::button_relief = GTK_RELIEF_NONE\n" "}\n" "widget \"*.vim-toolbar\" style \"vim-toolbar-style\"\n"); # endif gui.toolbar = gtk_toolbar_new(); gtk_widget_set_name(gui.toolbar, "vim-toolbar"); set_toolbar_style(GTK_TOOLBAR(gui.toolbar)); # ifdef FEAT_GUI_GNOME if (using_gnome) { BonoboDockItem *dockitem; gnome_app_set_toolbar(GNOME_APP(gui.mainwin), GTK_TOOLBAR(gui.toolbar)); dockitem = gnome_app_get_dock_item_by_name(GNOME_APP(gui.mainwin), GNOME_APP_TOOLBAR_NAME); gui.toolbar_h = GTK_WIDGET(dockitem); // When the toolbar is floating it gets stuck. So long as that isn't // fixed let's disallow floating. bonobo_dock_item_set_behavior(dockitem, bonobo_dock_item_get_behavior(dockitem) | BONOBO_DOCK_ITEM_BEH_NEVER_FLOATING); gtk_container_set_border_width(GTK_CONTAINER(gui.toolbar), 0); } else # endif // FEAT_GUI_GNOME { if (vim_strchr(p_go, GO_TOOLBAR) != NULL && (toolbar_flags & (TOOLBAR_TEXT | TOOLBAR_ICONS))) gtk_widget_show(gui.toolbar); gtk_box_pack_start(GTK_BOX(vbox), gui.toolbar, FALSE, FALSE, 0); } #endif // FEAT_TOOLBAR #ifdef FEAT_GUI_TABLINE /* * Use a Notebook for the tab pages labels. The labels are hidden by * default. */ gui.tabline = gtk_notebook_new(); gtk_widget_show(gui.tabline); gtk_box_pack_start(GTK_BOX(vbox), gui.tabline, FALSE, FALSE, 0); gtk_notebook_set_show_border(GTK_NOTEBOOK(gui.tabline), FALSE); gtk_notebook_set_show_tabs(GTK_NOTEBOOK(gui.tabline), FALSE); gtk_notebook_set_scrollable(GTK_NOTEBOOK(gui.tabline), TRUE); # if !GTK_CHECK_VERSION(3,0,0) gtk_notebook_set_tab_border(GTK_NOTEBOOK(gui.tabline), FALSE); # endif # if !GTK_CHECK_VERSION(3,0,0) tabline_tooltip = gtk_tooltips_new(); gtk_tooltips_enable(GTK_TOOLTIPS(tabline_tooltip)); # endif { GtkWidget *page, *label, *event_box; // Add the first tab. # if GTK_CHECK_VERSION(3,2,0) page = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); gtk_box_set_homogeneous(GTK_BOX(page), FALSE); # else page = gtk_vbox_new(FALSE, 0); # endif gtk_widget_show(page); gtk_container_add(GTK_CONTAINER(gui.tabline), page); label = gtk_label_new("-Empty-"); gtk_widget_show(label); event_box = gtk_event_box_new(); gtk_widget_show(event_box); g_object_set_data(G_OBJECT(event_box), "tab_num", GINT_TO_POINTER(1L)); # if !GTK_CHECK_VERSION(3,14,0) gtk_misc_set_padding(GTK_MISC(label), 2, 2); # endif gtk_container_add(GTK_CONTAINER(event_box), label); gtk_notebook_set_tab_label(GTK_NOTEBOOK(gui.tabline), page, event_box); # if GTK_CHECK_VERSION(2,10,0) gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(gui.tabline), page, TRUE); # endif } g_signal_connect(G_OBJECT(gui.tabline), "switch-page", G_CALLBACK(on_select_tab), NULL); # if GTK_CHECK_VERSION(2,10,0) g_signal_connect(G_OBJECT(gui.tabline), "page-reordered", G_CALLBACK(on_tab_reordered), NULL); # endif // Create a popup menu for the tab line and connect it. tabline_menu = create_tabline_menu(); g_signal_connect_swapped(G_OBJECT(gui.tabline), "button-press-event", G_CALLBACK(on_tabline_menu), G_OBJECT(tabline_menu)); #endif // FEAT_GUI_TABLINE gui.formwin = gtk_form_new(); gtk_container_set_border_width(GTK_CONTAINER(gui.formwin), 0); #if !GTK_CHECK_VERSION(3,0,0) gtk_widget_set_events(gui.formwin, GDK_EXPOSURE_MASK); #endif gui.drawarea = gtk_drawing_area_new(); #if GTK_CHECK_VERSION(3,22,2) gtk_widget_set_name(gui.drawarea, "vim-gui-drawarea"); #endif #if GTK_CHECK_VERSION(3,0,0) gui.surface = NULL; gui.by_signal = FALSE; #endif // Determine which events we will filter. gtk_widget_set_events(gui.drawarea, GDK_EXPOSURE_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_SCROLL_MASK | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK); gtk_widget_show(gui.drawarea); gtk_form_put(GTK_FORM(gui.formwin), gui.drawarea, 0, 0); gtk_widget_show(gui.formwin); gtk_box_pack_start(GTK_BOX(vbox), gui.formwin, TRUE, TRUE, 0); // For GtkSockets, key-presses must go to the focus widget (drawarea) // and not the window. g_signal_connect((gtk_socket_id == 0) ? G_OBJECT(gui.mainwin) : G_OBJECT(gui.drawarea), "key-press-event", G_CALLBACK(key_press_event), NULL); #if defined(FEAT_XIM) || GTK_CHECK_VERSION(3,0,0) // Also forward key release events for the benefit of GTK+ 2 input // modules. Try CTRL-SHIFT-xdigits to enter a Unicode code point. g_signal_connect((gtk_socket_id == 0) ? G_OBJECT(gui.mainwin) : G_OBJECT(gui.drawarea), "key-release-event", G_CALLBACK(&key_release_event), NULL); #endif g_signal_connect(G_OBJECT(gui.drawarea), "realize", G_CALLBACK(drawarea_realize_cb), NULL); g_signal_connect(G_OBJECT(gui.drawarea), "unrealize", G_CALLBACK(drawarea_unrealize_cb), NULL); #if GTK_CHECK_VERSION(3,0,0) g_signal_connect(G_OBJECT(gui.drawarea), "configure-event", G_CALLBACK(drawarea_configure_event_cb), NULL); #endif #if GTK_CHECK_VERSION(3,22,2) g_signal_connect_after(G_OBJECT(gui.drawarea), "style-updated", G_CALLBACK(&drawarea_style_updated_cb), NULL); #else g_signal_connect_after(G_OBJECT(gui.drawarea), "style-set", G_CALLBACK(&drawarea_style_set_cb), NULL); #endif #if !GTK_CHECK_VERSION(3,0,0) gui.visibility = GDK_VISIBILITY_UNOBSCURED; #endif #if !defined(USE_GNOME_SESSION) wm_protocols_atom = gdk_atom_intern("WM_PROTOCOLS", FALSE); save_yourself_atom = gdk_atom_intern("WM_SAVE_YOURSELF", FALSE); #endif if (gtk_socket_id != 0) // make sure keyboard input can go to the drawarea gtk_widget_set_can_focus(gui.drawarea, TRUE); /* * Set clipboard specific atoms */ vim_atom = gdk_atom_intern(VIM_ATOM_NAME, FALSE); vimenc_atom = gdk_atom_intern(VIMENC_ATOM_NAME, FALSE); clip_star.gtk_sel_atom = GDK_SELECTION_PRIMARY; clip_plus.gtk_sel_atom = gdk_atom_intern("CLIPBOARD", FALSE); /* * Start out by adding the configured border width into the border offset. */ gui.border_offset = gui.border_width; #if GTK_CHECK_VERSION(3,0,0) g_signal_connect(G_OBJECT(gui.drawarea), "draw", G_CALLBACK(draw_event), NULL); #else gtk_signal_connect(GTK_OBJECT(gui.mainwin), "visibility_notify_event", GTK_SIGNAL_FUNC(visibility_event), NULL); gtk_signal_connect(GTK_OBJECT(gui.drawarea), "expose_event", GTK_SIGNAL_FUNC(expose_event), NULL); #endif /* * Only install these enter/leave callbacks when 'p' in 'guioptions'. * Only needed for some window managers. */ if (vim_strchr(p_go, GO_POINTER) != NULL) { g_signal_connect(G_OBJECT(gui.drawarea), "leave-notify-event", G_CALLBACK(leave_notify_event), NULL); g_signal_connect(G_OBJECT(gui.drawarea), "enter-notify-event", G_CALLBACK(enter_notify_event), NULL); } // Real windows can get focus ... GtkPlug, being a mere container can't, // only its widgets. Arguably, this could be common code and we not use // the window focus at all, but let's be safe. if (gtk_socket_id == 0) { g_signal_connect(G_OBJECT(gui.mainwin), "focus-out-event", G_CALLBACK(focus_out_event), NULL); g_signal_connect(G_OBJECT(gui.mainwin), "focus-in-event", G_CALLBACK(focus_in_event), NULL); } else { g_signal_connect(G_OBJECT(gui.drawarea), "focus-out-event", G_CALLBACK(focus_out_event), NULL); g_signal_connect(G_OBJECT(gui.drawarea), "focus-in-event", G_CALLBACK(focus_in_event), NULL); #ifdef FEAT_GUI_TABLINE g_signal_connect(G_OBJECT(gui.tabline), "focus-out-event", G_CALLBACK(focus_out_event), NULL); g_signal_connect(G_OBJECT(gui.tabline), "focus-in-event", G_CALLBACK(focus_in_event), NULL); #endif // FEAT_GUI_TABLINE } g_signal_connect(G_OBJECT(gui.drawarea), "motion-notify-event", G_CALLBACK(motion_notify_event), NULL); g_signal_connect(G_OBJECT(gui.drawarea), "button-press-event", G_CALLBACK(button_press_event), NULL); g_signal_connect(G_OBJECT(gui.drawarea), "button-release-event", G_CALLBACK(button_release_event), NULL); g_signal_connect(G_OBJECT(gui.drawarea), "scroll-event", G_CALLBACK(&scroll_event), NULL); /* * Add selection handler functions. */ g_signal_connect(G_OBJECT(gui.drawarea), "selection-clear-event", G_CALLBACK(selection_clear_event), NULL); g_signal_connect(G_OBJECT(gui.drawarea), "selection-received", G_CALLBACK(selection_received_cb), NULL); gui_gtk_set_selection_targets(); g_signal_connect(G_OBJECT(gui.drawarea), "selection-get", G_CALLBACK(selection_get_cb), NULL); // Pretend we don't have input focus, we will get an event if we do. gui.in_focus = FALSE; // Handle changes to the "Xft/DPI" setting. { GtkSettings *gtk_settings = gtk_settings_get_for_screen(gdk_screen_get_default()); g_signal_connect(gtk_settings, "notify::gtk-xft-dpi", G_CALLBACK(gtk_settings_xft_dpi_changed_cb), NULL); } return OK; } #if defined(USE_GNOME_SESSION) || defined(PROTO) /* * This is called from gui_start() after a fork() has been done. * We have to tell the session manager our new PID. */ void gui_mch_forked(void) { if (using_gnome) { GnomeClient *client; client = gnome_master_client(); if (client != NULL) gnome_client_set_process_id(client, getpid()); } } #endif // USE_GNOME_SESSION #if GTK_CHECK_VERSION(3,0,0) static GdkRGBA color_to_rgba(guicolor_T color) { GdkRGBA rgba; rgba.red = ((color & 0xff0000) >> 16) / 255.0; rgba.green = ((color & 0xff00) >> 8) / 255.0; rgba.blue = ((color & 0xff)) / 255.0; rgba.alpha = 1.0; return rgba; } static void set_cairo_source_rgba_from_color(cairo_t *cr, guicolor_T color) { const GdkRGBA rgba = color_to_rgba(color); cairo_set_source_rgba(cr, rgba.red, rgba.green, rgba.blue, rgba.alpha); } #endif // GTK_CHECK_VERSION(3,0,0) /* * Called when the foreground or background color has been changed. * This used to change the graphics contexts directly but we are * currently manipulating them where desired. */ void gui_mch_new_colors(void) { if (gui.drawarea != NULL && gtk_widget_get_window(gui.drawarea) != NULL) { #if !GTK_CHECK_VERSION(3,22,2) GdkWindow * const da_win = gtk_widget_get_window(gui.drawarea); #endif #if GTK_CHECK_VERSION(3,22,2) GtkStyleContext * const context = gtk_widget_get_style_context(gui.drawarea); GtkCssProvider * const provider = gtk_css_provider_new(); gchar * const css = g_strdup_printf( "widget#vim-gui-drawarea {\n" " background-color: #%.2lx%.2lx%.2lx;\n" "}\n", (gui.back_pixel >> 16) & 0xff, (gui.back_pixel >> 8) & 0xff, gui.back_pixel & 0xff); gtk_css_provider_load_from_data(provider, css, -1, NULL); gtk_style_context_add_provider(context, GTK_STYLE_PROVIDER(provider), G_MAXUINT); g_free(css); g_object_unref(provider); #elif GTK_CHECK_VERSION(3,4,0) // !GTK_CHECK_VERSION(3,22,2) GdkRGBA rgba; rgba = color_to_rgba(gui.back_pixel); { cairo_pattern_t * const pat = cairo_pattern_create_rgba( rgba.red, rgba.green, rgba.blue, rgba.alpha); if (pat != NULL) { gdk_window_set_background_pattern(da_win, pat); cairo_pattern_destroy(pat); } else gdk_window_set_background_rgba(da_win, &rgba); } #else // !GTK_CHECK_VERSION(3,4,0) GdkColor color = { 0, 0, 0, 0 }; color.pixel = gui.back_pixel; gdk_window_set_background(da_win, &color); #endif // !GTK_CHECK_VERSION(3,22,2) } } /* * This signal informs us about the need to rearrange our sub-widgets. */ static gint form_configure_event(GtkWidget *widget UNUSED, GdkEventConfigure *event, gpointer data UNUSED) { int usable_height = event->height; #if GTK_CHECK_VERSION(3,22,2) && !GTK_CHECK_VERSION(3,22,4) // As of 3.22.2, GdkWindows have started distributing configure events to // their "native" children (https://git.gnome.org/browse/gtk+/commit/?h=gtk-3-22&id=12579fe71b3b8f79eb9c1b80e429443bcc437dd0). // // As can be seen from the implementation of move_native_children() and // configure_native_child() in gdkwindow.c, those functions actually // propagate configure events to every child, failing to distinguish // "native" one from non-native one. // // Naturally, configure events propagated to here like that are fallacious // and, as a matter of fact, they trigger a geometric collapse of // gui.formwin. // // To filter out such fallacious events, check if the given event is the // one that was sent out to the right place. Ignore it if not. // // Follow-up // After a few weeks later, the GdkWindow change mentioned above was // reverted (https://git.gnome.org/browse/gtk+/commit/?h=gtk-3-22&id=f70039cb9603a02d2369fec4038abf40a1711155). // The corresponding official release is 3.22.4. if (event->window != gtk_widget_get_window(gui.formwin)) return TRUE; #endif // When in a GtkPlug, we can't guarantee valid heights (as a round // no. of char-heights), so we have to manually sanitise them. // Widths seem to sort themselves out, don't ask me why. if (gtk_socket_id != 0) usable_height -= (gui.char_height - (gui.char_height/2)); // sic. gtk_form_freeze(GTK_FORM(gui.formwin)); gui_resize_shell(event->width, usable_height); gtk_form_thaw(GTK_FORM(gui.formwin)); return TRUE; } /* * Function called when window already closed. * We can't do much more here than to trying to preserve what had been done, * since the window is already inevitably going away. */ static void mainwin_destroy_cb(GObject *object UNUSED, gpointer data UNUSED) { // Don't write messages to the GUI anymore full_screen = FALSE; gui.mainwin = NULL; gui.drawarea = NULL; if (!exiting) // only do anything if the destroy was unexpected { vim_strncpy(IObuff, (char_u *)_("Vim: Main window unexpectedly destroyed\n"), IOSIZE - 1); preserve_exit(); } #ifdef USE_GRESOURCE gui_gtk_unregister_resource(); #endif } /* * Bit of a hack to ensure we start GtkPlug windows with the correct window * hints (and thus the required size from -geom), but that after that we * put the hints back to normal (the actual minimum size) so we may * subsequently be resized smaller. GtkSocket (the parent end) uses the * plug's window 'min hints to set *its* minimum size, but that's also the * only way we have of making ourselves bigger (by set lines/columns). * Thus set hints at start-up to ensure correct init. size, then a * second after the final attempt to reset the real minimum hints (done by * scrollbar init.), actually do the standard hints and stop the timer. * We'll not let the default hints be set while this timer's active. */ static timeout_cb_type check_startup_plug_hints(gpointer data UNUSED) { if (init_window_hints_state == 1) { // Safe to use normal hints now init_window_hints_state = 0; update_window_manager_hints(0, 0); return FALSE; // stop timer } // Keep on trying init_window_hints_state = 1; return TRUE; } /* * Open the GUI window which was created by a call to gui_mch_init(). */ int gui_mch_open(void) { guicolor_T fg_pixel = INVALCOLOR; guicolor_T bg_pixel = INVALCOLOR; guint pixel_width; guint pixel_height; /* * Allow setting a window role on the command line, or invent one * if none was specified. This is mainly useful for GNOME session * support; allowing the WM to restore window placement. */ if (role_argument != NULL) { gtk_window_set_role(GTK_WINDOW(gui.mainwin), role_argument); } else { char *role; // Invent a unique-enough ID string for the role role = g_strdup_printf("vim-%u-%u-%u", (unsigned)mch_get_pid(), (unsigned)g_random_int(), (unsigned)time(NULL)); gtk_window_set_role(GTK_WINDOW(gui.mainwin), role); g_free(role); } if (gui_win_x != -1 && gui_win_y != -1) gtk_window_move(GTK_WINDOW(gui.mainwin), gui_win_x, gui_win_y); // Determine user specified geometry, if present. if (gui.geom != NULL) { int mask; unsigned int w, h; int x = 0; int y = 0; mask = XParseGeometry((char *)gui.geom, &x, &y, &w, &h); if (mask & WidthValue) Columns = w; if (mask & HeightValue) { if (p_window > (long)h - 1 || !option_was_set((char_u *)"window")) p_window = h - 1; Rows = h; } limit_screen_size(); pixel_width = (guint)(gui_get_base_width() + Columns * gui.char_width); pixel_height = (guint)(gui_get_base_height() + Rows * gui.char_height); pixel_width += get_menu_tool_width(); pixel_height += get_menu_tool_height(); if (mask & (XValue | YValue)) { int ww, hh; gui_mch_get_screen_dimensions(&ww, &hh); hh += p_ghr + get_menu_tool_height(); ww += get_menu_tool_width(); if (mask & XNegative) x += ww - pixel_width; if (mask & YNegative) y += hh - pixel_height; gtk_window_move(GTK_WINDOW(gui.mainwin), x, y); } VIM_CLEAR(gui.geom); // From now until everyone's stopped trying to set the window hints // to their correct minimum values, stop them being set as we need // them to remain at our required size for the parent GtkSocket to // give us the right initial size. if (gtk_socket_id != 0 && (mask & WidthValue || mask & HeightValue)) { update_window_manager_hints(pixel_width, pixel_height); init_window_hints_state = 1; timeout_add(1000, check_startup_plug_hints, NULL); } } pixel_width = (guint)(gui_get_base_width() + Columns * gui.char_width); pixel_height = (guint)(gui_get_base_height() + Rows * gui.char_height); // For GTK2 changing the size of the form widget doesn't cause window // resizing. if (gtk_socket_id == 0) gtk_window_resize(GTK_WINDOW(gui.mainwin), pixel_width, pixel_height); update_window_manager_hints(0, 0); if (foreground_argument != NULL) fg_pixel = gui_get_color((char_u *)foreground_argument); if (fg_pixel == INVALCOLOR) fg_pixel = gui_get_color((char_u *)"Black"); if (background_argument != NULL) bg_pixel = gui_get_color((char_u *)background_argument); if (bg_pixel == INVALCOLOR) bg_pixel = gui_get_color((char_u *)"White"); if (found_reverse_arg) { gui.def_norm_pixel = bg_pixel; gui.def_back_pixel = fg_pixel; } else { gui.def_norm_pixel = fg_pixel; gui.def_back_pixel = bg_pixel; } // Get the colors from the "Normal" and "Menu" group (set in syntax.c or // in a vimrc file) set_normal_colors(); // Check that none of the colors are the same as the background color gui_check_colors(); // Get the colors for the highlight groups (gui_check_colors() might have // changed them). highlight_gui_started(); // re-init colors and fonts g_signal_connect(G_OBJECT(gui.mainwin), "destroy", G_CALLBACK(mainwin_destroy_cb), NULL); /* * Notify the fixed area about the need to resize the contents of the * gui.formwin, which we use for random positioning of the included * components. * * We connect this signal deferred finally after anything is in place, * since this is intended to handle resizements coming from the window * manager upon us and should not interfere with what VIM is requesting * upon startup. */ g_signal_connect(G_OBJECT(gui.formwin), "configure-event", G_CALLBACK(form_configure_event), NULL); #ifdef FEAT_DND // Set up for receiving DND items. gui_gtk_set_dnd_targets(); g_signal_connect(G_OBJECT(gui.drawarea), "drag-data-received", G_CALLBACK(drag_data_received_cb), NULL); #endif // With GTK+ 2, we need to iconify the window before calling show() // to avoid mapping the window for a short time. if (found_iconic_arg && gtk_socket_id == 0) gui_mch_iconify(); { #if defined(FEAT_GUI_GNOME) && defined(FEAT_MENU) unsigned long menu_handler = 0; # ifdef FEAT_TOOLBAR unsigned long tool_handler = 0; # endif /* * Urgh hackish :/ For some reason BonoboDockLayout always forces a * show when restoring the saved layout configuration. We can't just * hide the widgets again after gtk_widget_show(gui.mainwin) since it's * a toplevel window and thus will be realized immediately. Instead, * connect signal handlers to hide the widgets just after they've been * marked visible, but before the main window is realized. */ if (using_gnome && vim_strchr(p_go, GO_MENUS) == NULL) menu_handler = g_signal_connect_after(gui.menubar_h, "show", G_CALLBACK(>k_widget_hide), NULL); # ifdef FEAT_TOOLBAR if (using_gnome && vim_strchr(p_go, GO_TOOLBAR) == NULL && (toolbar_flags & (TOOLBAR_TEXT | TOOLBAR_ICONS))) tool_handler = g_signal_connect_after(gui.toolbar_h, "show", G_CALLBACK(>k_widget_hide), NULL); # endif #endif gtk_widget_show(gui.mainwin); #if defined(FEAT_GUI_GNOME) && defined(FEAT_MENU) if (menu_handler != 0) g_signal_handler_disconnect(gui.menubar_h, menu_handler); # ifdef FEAT_TOOLBAR if (tool_handler != 0) g_signal_handler_disconnect(gui.toolbar_h, tool_handler); # endif #endif } return OK; } void gui_mch_exit(int rc UNUSED) { if (gui.mainwin != NULL) gtk_widget_destroy(gui.mainwin); } /* * Get the position of the top left corner of the window. */ int gui_mch_get_winpos(int *x, int *y) { gtk_window_get_position(GTK_WINDOW(gui.mainwin), x, y); return OK; } /* * Set the position of the top left corner of the window to the given * coordinates. */ void gui_mch_set_winpos(int x, int y) { gtk_window_move(GTK_WINDOW(gui.mainwin), x, y); } #if !GTK_CHECK_VERSION(3,0,0) # if 0 static int resize_idle_installed = FALSE; /* * Idle handler to force resize. Used by gui_mch_set_shellsize() to ensure * the shell size doesn't exceed the window size, i.e. if the window manager * ignored our size request. Usually this happens if the window is maximized. * * FIXME: It'd be nice if we could find a little more orthodox solution. * See also the remark below in gui_mch_set_shellsize(). * * DISABLED: When doing ":set lines+=1" this function would first invoke * gui_resize_shell() with the old size, then the normal callback would * report the new size through form_configure_event(). That caused the window * layout to be messed up. */ static gboolean force_shell_resize_idle(gpointer data) { if (gui.mainwin != NULL && GTK_WIDGET_REALIZED(gui.mainwin) && GTK_WIDGET_VISIBLE(gui.mainwin)) { int width; int height; gtk_window_get_size(GTK_WINDOW(gui.mainwin), &width, &height); width -= get_menu_tool_width(); height -= get_menu_tool_height(); gui_resize_shell(width, height); } resize_idle_installed = FALSE; return FALSE; // don't call me again } # endif #endif // !GTK_CHECK_VERSION(3,0,0) /* * Return TRUE if the main window is maximized. */ int gui_mch_maximized(void) { return (gui.mainwin != NULL && gtk_widget_get_window(gui.mainwin) != NULL && (gdk_window_get_state(gtk_widget_get_window(gui.mainwin)) & GDK_WINDOW_STATE_MAXIMIZED)); } /* * Unmaximize the main window */ void gui_mch_unmaximize(void) { if (gui.mainwin != NULL) gtk_window_unmaximize(GTK_WINDOW(gui.mainwin)); } /* * Called when the font changed while the window is maximized or GO_KEEPWINSIZE * is set. Compute the new Rows and Columns. This is like resizing the * window. */ void gui_mch_newfont(void) { int w, h; gtk_window_get_size(GTK_WINDOW(gui.mainwin), &w, &h); w -= get_menu_tool_width(); h -= get_menu_tool_height(); gui_resize_shell(w, h); } /* * Set the windows size. */ void gui_mch_set_shellsize(int width, int height, int min_width UNUSED, int min_height UNUSED, int base_width UNUSED, int base_height UNUSED, int direction UNUSED) { // give GTK+ a chance to put all widget's into place gui_mch_update(); // this will cause the proper resizement to happen too if (gtk_socket_id == 0) update_window_manager_hints(0, 0); // With GTK+ 2, changing the size of the form widget doesn't resize // the window. So let's do it the other way around and resize the // main window instead. width += get_menu_tool_width(); height += get_menu_tool_height(); if (gtk_socket_id == 0) gtk_window_resize(GTK_WINDOW(gui.mainwin), width, height); else update_window_manager_hints(width, height); # if !GTK_CHECK_VERSION(3,0,0) # if 0 if (!resize_idle_installed) { g_idle_add_full(GDK_PRIORITY_EVENTS + 10, &force_shell_resize_idle, NULL, NULL); resize_idle_installed = TRUE; } # endif # endif // !GTK_CHECK_VERSION(3,0,0) /* * Wait until all events are processed to prevent a crash because the * real size of the drawing area doesn't reflect Vim's internal ideas. * * This is a bit of a hack, since Vim is a terminal application with a GUI * on top, while the GUI expects to be the boss. */ gui_mch_update(); } void gui_gtk_get_screen_geom_of_win( GtkWidget *wid, int *screen_x, int *screen_y, int *width, int *height) { GdkRectangle geometry; GdkWindow *win = gtk_widget_get_window(wid); #if GTK_CHECK_VERSION(3,22,0) GdkDisplay *dpy = gtk_widget_get_display(wid); GdkMonitor *monitor = gdk_display_get_monitor_at_window(dpy, win); gdk_monitor_get_geometry(monitor, &geometry); #else GdkScreen* screen; int monitor; if (wid != NULL && gtk_widget_has_screen(wid)) screen = gtk_widget_get_screen(wid); else screen = gdk_screen_get_default(); monitor = gdk_screen_get_monitor_at_window(screen, win); gdk_screen_get_monitor_geometry(screen, monitor, &geometry); #endif *screen_x = geometry.x; *screen_y = geometry.y; *width = geometry.width; *height = geometry.height; } /* * The screen size is used to make sure the initial window doesn't get bigger * than the screen. This subtracts some room for menubar, toolbar and window * decorations. */ void gui_mch_get_screen_dimensions(int *screen_w, int *screen_h) { int x, y; gui_gtk_get_screen_geom_of_win(gui.mainwin, &x, &y, screen_w, screen_h); // Subtract 'guiheadroom' from the height to allow some room for the // window manager (task list and window title bar). *screen_h -= p_ghr; /* * FIXME: dirty trick: Because the gui_get_base_height() doesn't include * the toolbar and menubar for GTK, we subtract them from the screen * height, so that the window size can be made to fit on the screen. * This should be completely changed later. */ *screen_w -= get_menu_tool_width(); *screen_h -= get_menu_tool_height(); } #if defined(FEAT_TITLE) || defined(PROTO) void gui_mch_settitle(char_u *title, char_u *icon UNUSED) { if (title != NULL && output_conv.vc_type != CONV_NONE) title = string_convert(&output_conv, title, NULL); gtk_window_set_title(GTK_WINDOW(gui.mainwin), (const char *)title); if (output_conv.vc_type != CONV_NONE) vim_free(title); } #endif // FEAT_TITLE #if defined(FEAT_MENU) || defined(PROTO) void gui_mch_enable_menu(int showit) { GtkWidget *widget; # ifdef FEAT_GUI_GNOME if (using_gnome) widget = gui.menubar_h; else # endif widget = gui.menubar; // Do not disable the menu while starting up, otherwise F10 doesn't work. if (!showit != !gtk_widget_get_visible(widget) && !gui.starting) { if (showit) gtk_widget_show(widget); else gtk_widget_hide(widget); update_window_manager_hints(0, 0); } } #endif // FEAT_MENU #if defined(FEAT_TOOLBAR) || defined(PROTO) void gui_mch_show_toolbar(int showit) { GtkWidget *widget; if (gui.toolbar == NULL) return; # ifdef FEAT_GUI_GNOME if (using_gnome) widget = gui.toolbar_h; else # endif widget = gui.toolbar; if (showit) set_toolbar_style(GTK_TOOLBAR(gui.toolbar)); if (!showit != !gtk_widget_get_visible(widget)) { if (showit) gtk_widget_show(widget); else gtk_widget_hide(widget); update_window_manager_hints(0, 0); } } #endif // FEAT_TOOLBAR /* * Check if a given font is a CJK font. This is done in a very crude manner. It * just see if U+04E00 for zh and ja and U+AC00 for ko are covered in a given * font. Consequently, this function cannot be used as a general purpose check * for CJK-ness for which fontconfig APIs should be used. This is only used by * gui_mch_init_font() to deal with 'CJK fixed width fonts'. */ static int is_cjk_font(PangoFontDescription *font_desc) { static const char * const cjk_langs[] = {"zh_CN", "zh_TW", "zh_HK", "ja", "ko"}; PangoFont *font; unsigned i; int is_cjk = FALSE; font = pango_context_load_font(gui.text_context, font_desc); if (font == NULL) return FALSE; for (i = 0; !is_cjk && i < G_N_ELEMENTS(cjk_langs); ++i) { PangoCoverage *coverage; gunichar uc; // Valgrind reports a leak for pango_language_from_string(), but the // documentation says "This is owned by Pango and should not be freed". coverage = pango_font_get_coverage( font, pango_language_from_string(cjk_langs[i])); if (coverage != NULL) { uc = (cjk_langs[i][0] == 'k') ? 0xAC00 : 0x4E00; is_cjk = (pango_coverage_get(coverage, uc) == PANGO_COVERAGE_EXACT); pango_coverage_unref(coverage); } } g_object_unref(font); return is_cjk; } /* * Adjust gui.char_height (after 'linespace' was changed). */ int gui_mch_adjust_charheight(void) { PangoFontMetrics *metrics; int ascent; int descent; metrics = pango_context_get_metrics(gui.text_context, gui.norm_font, pango_context_get_language(gui.text_context)); ascent = pango_font_metrics_get_ascent(metrics); descent = pango_font_metrics_get_descent(metrics); pango_font_metrics_unref(metrics); // Round up, but not when the value is very close (e.g. 15.0009). gui.char_height = (ascent + descent + PANGO_SCALE - 3) / PANGO_SCALE + p_linespace; // LINTED: avoid warning: bitwise operation on signed value gui.char_ascent = PANGO_PIXELS(ascent + p_linespace * PANGO_SCALE / 2); // A not-positive value of char_height may crash Vim. Only happens // if 'linespace' is negative (which does make sense sometimes). gui.char_ascent = MAX(gui.char_ascent, 0); gui.char_height = MAX(gui.char_height, gui.char_ascent + 1); return OK; } #if GTK_CHECK_VERSION(3,0,0) // Callback function used in gui_mch_font_dialog() static gboolean font_filter(const PangoFontFamily *family, const PangoFontFace *face UNUSED, gpointer data UNUSED) { return pango_font_family_is_monospace((PangoFontFamily *)family); } #endif /* * Put up a font dialog and return the selected font name in allocated memory. * "oldval" is the previous value. Return NULL when cancelled. * This should probably go into gui_gtk.c. Hmm. * FIXME: * The GTK2 font selection dialog has no filtering API. So we could either * a) implement our own (possibly copying the code from somewhere else) or * b) just live with it. */ char_u * gui_mch_font_dialog(char_u *oldval) { GtkWidget *dialog; int response; char_u *fontname = NULL; char_u *oldname; #if GTK_CHECK_VERSION(3,2,0) dialog = gtk_font_chooser_dialog_new(NULL, NULL); gtk_font_chooser_set_filter_func(GTK_FONT_CHOOSER(dialog), font_filter, NULL, NULL); #else dialog = gtk_font_selection_dialog_new(NULL); #endif gtk_window_set_transient_for(GTK_WINDOW(dialog), GTK_WINDOW(gui.mainwin)); gtk_window_set_destroy_with_parent(GTK_WINDOW(dialog), TRUE); if (oldval != NULL && oldval[0] != NUL) { if (output_conv.vc_type != CONV_NONE) oldname = string_convert(&output_conv, oldval, NULL); else oldname = oldval; // Annoying bug in GTK (or Pango): if the font name does not include a // size, zero is used. Use default point size ten. if (!vim_isdigit(oldname[STRLEN(oldname) - 1])) { char_u *p = vim_strnsave(oldname, STRLEN(oldname) + 3); if (p != NULL) { STRCPY(p + STRLEN(p), " 10"); if (oldname != oldval) vim_free(oldname); oldname = p; } } #if GTK_CHECK_VERSION(3,2,0) gtk_font_chooser_set_font( GTK_FONT_CHOOSER(dialog), (const gchar *)oldname); #else gtk_font_selection_dialog_set_font_name( GTK_FONT_SELECTION_DIALOG(dialog), (const char *)oldname); #endif if (oldname != oldval) vim_free(oldname); } else #if GTK_CHECK_VERSION(3,2,0) gtk_font_chooser_set_font( GTK_FONT_CHOOSER(dialog), DEFAULT_FONT); #else gtk_font_selection_dialog_set_font_name( GTK_FONT_SELECTION_DIALOG(dialog), DEFAULT_FONT); #endif response = gtk_dialog_run(GTK_DIALOG(dialog)); if (response == GTK_RESPONSE_OK) { char *name; #if GTK_CHECK_VERSION(3,2,0) name = gtk_font_chooser_get_font(GTK_FONT_CHOOSER(dialog)); #else name = gtk_font_selection_dialog_get_font_name( GTK_FONT_SELECTION_DIALOG(dialog)); #endif if (name != NULL) { char_u *p; // Apparently some font names include a comma, need to escape // that, because in 'guifont' it separates names. p = vim_strsave_escaped((char_u *)name, (char_u *)","); g_free(name); if (p != NULL && input_conv.vc_type != CONV_NONE) { fontname = string_convert(&input_conv, p, NULL); vim_free(p); } else fontname = p; } } if (response != GTK_RESPONSE_NONE) gtk_widget_destroy(dialog); return fontname; } /* * Some monospace fonts don't support a bold weight, and fall back * silently to the regular weight. But this is no good since our text * drawing function can emulate bold by overstriking. So let's try * to detect whether bold weight is actually available and emulate it * otherwise. * * Note that we don't need to check for italic style since Xft can * emulate italic on its own, provided you have a proper fontconfig * setup. We wouldn't be able to emulate it in Vim anyway. */ static void get_styled_font_variants(void) { PangoFontDescription *bold_font_desc; PangoFont *plain_font; PangoFont *bold_font; gui.font_can_bold = FALSE; plain_font = pango_context_load_font(gui.text_context, gui.norm_font); if (plain_font == NULL) return; bold_font_desc = pango_font_description_copy_static(gui.norm_font); pango_font_description_set_weight(bold_font_desc, PANGO_WEIGHT_BOLD); bold_font = pango_context_load_font(gui.text_context, bold_font_desc); /* * The comparison relies on the unique handle nature of a PangoFont*, * i.e. it's assumed that a different PangoFont* won't refer to the * same font. Seems to work, and failing here isn't critical anyway. */ if (bold_font != NULL) { gui.font_can_bold = (bold_font != plain_font); g_object_unref(bold_font); } pango_font_description_free(bold_font_desc); g_object_unref(plain_font); } static PangoEngineShape *default_shape_engine = NULL; /* * Create a map from ASCII characters in the range [32,126] to glyphs * of the current font. This is used by gui_gtk2_draw_string() to skip * the itemize and shaping process for the most common case. */ static void ascii_glyph_table_init(void) { char_u ascii_chars[2 * 128]; PangoAttrList *attr_list; GList *item_list; int i; if (gui.ascii_glyphs != NULL) pango_glyph_string_free(gui.ascii_glyphs); if (gui.ascii_font != NULL) g_object_unref(gui.ascii_font); gui.ascii_glyphs = NULL; gui.ascii_font = NULL; // For safety, fill in question marks for the control characters. // Put a space between characters to avoid shaping. for (i = 0; i < 128; ++i) { if (i >= 32 && i < 127) ascii_chars[2 * i] = i; else ascii_chars[2 * i] = '?'; ascii_chars[2 * i + 1] = ' '; } attr_list = pango_attr_list_new(); item_list = pango_itemize(gui.text_context, (const char *)ascii_chars, 0, sizeof(ascii_chars), attr_list, NULL); if (item_list != NULL && item_list->next == NULL) // play safe { PangoItem *item; int width; item = (PangoItem *)item_list->data; width = gui.char_width * PANGO_SCALE; // Remember the shape engine used for ASCII. default_shape_engine = item->analysis.shape_engine; gui.ascii_font = item->analysis.font; g_object_ref(gui.ascii_font); gui.ascii_glyphs = pango_glyph_string_new(); pango_shape((const char *)ascii_chars, sizeof(ascii_chars), &item->analysis, gui.ascii_glyphs); g_return_if_fail(gui.ascii_glyphs->num_glyphs == sizeof(ascii_chars)); for (i = 0; i < gui.ascii_glyphs->num_glyphs; ++i) { PangoGlyphGeometry *geom; geom = &gui.ascii_glyphs->glyphs[i].geometry; geom->x_offset += MAX(0, width - geom->width) / 2; geom->width = width; } } // TODO: is this type cast OK? g_list_foreach(item_list, (GFunc)(void *)&pango_item_free, NULL); g_list_free(item_list); pango_attr_list_unref(attr_list); } /* * Initialize Vim to use the font or fontset with the given name. * Return FAIL if the font could not be loaded, OK otherwise. */ int gui_mch_init_font(char_u *font_name, int fontset UNUSED) { PangoFontDescription *font_desc; PangoLayout *layout; int width; // If font_name is NULL, this means to use the default, which should // be present on all proper Pango/fontconfig installations. if (font_name == NULL) font_name = (char_u *)DEFAULT_FONT; font_desc = gui_mch_get_font(font_name, FALSE); if (font_desc == NULL) return FAIL; gui_mch_free_font(gui.norm_font); gui.norm_font = font_desc; pango_context_set_font_description(gui.text_context, font_desc); layout = pango_layout_new(gui.text_context); pango_layout_set_text(layout, "MW", 2); pango_layout_get_size(layout, &width, NULL); /* * Set char_width to half the width obtained from pango_layout_get_size() * for CJK fixed_width/bi-width fonts. An unpatched version of Xft leads * Pango to use the same width for both non-CJK characters (e.g. Latin * letters and numbers) and CJK characters. This results in 's p a c e d * o u t' rendering when a CJK 'fixed width' font is used. To work around * that, divide the width returned by Pango by 2 if cjk_width is equal to * width for CJK fonts. * * For related bugs, see: * http://bugzilla.gnome.org/show_bug.cgi?id=106618 * http://bugzilla.gnome.org/show_bug.cgi?id=106624 * * With this, for all four of the following cases, Vim works fine: * guifont=CJK_fixed_width_font * guifont=Non_CJK_fixed_font * guifont=Non_CJK_fixed_font,CJK_Fixed_font * guifont=Non_CJK_fixed_font guifontwide=CJK_fixed_font */ if (is_cjk_font(gui.norm_font)) { int cjk_width; // Measure the text extent of U+4E00 and U+4E8C pango_layout_set_text(layout, "\344\270\200\344\272\214", -1); pango_layout_get_size(layout, &cjk_width, NULL); if (width == cjk_width) // Xft not patched width /= 2; } g_object_unref(layout); gui.char_width = (width / 2 + PANGO_SCALE - 1) / PANGO_SCALE; // A zero width may cause a crash. Happens for semi-invalid fontsets. if (gui.char_width <= 0) gui.char_width = 8; gui_mch_adjust_charheight(); // Set the fontname, which will be used for information purposes hl_set_font_name(font_name); get_styled_font_variants(); ascii_glyph_table_init(); // Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. if (gui.wide_font != NULL && pango_font_description_equal(gui.norm_font, gui.wide_font)) { pango_font_description_free(gui.wide_font); gui.wide_font = NULL; } if (gui_mch_maximized()) { // Update lines and columns in accordance with the new font, keep the // window maximized. gui_mch_newfont(); } else { // Preserve the logical dimensions of the screen. update_window_manager_hints(0, 0); } return OK; } /* * Get a reference to the font "name". * Return zero for failure. */ GuiFont gui_mch_get_font(char_u *name, int report_error) { PangoFontDescription *font; // can't do this when GUI is not running if (!gui.in_use || name == NULL) return NULL; if (output_conv.vc_type != CONV_NONE) { char_u *buf; buf = string_convert(&output_conv, name, NULL); if (buf != NULL) { font = pango_font_description_from_string((const char *)buf); vim_free(buf); } else font = NULL; } else font = pango_font_description_from_string((const char *)name); if (font != NULL) { PangoFont *real_font; // pango_context_load_font() bails out if no font size is set if (pango_font_description_get_size(font) <= 0) pango_font_description_set_size(font, 10 * PANGO_SCALE); real_font = pango_context_load_font(gui.text_context, font); if (real_font == NULL) { pango_font_description_free(font); font = NULL; } else g_object_unref(real_font); } if (font == NULL) { if (report_error) semsg(_((char *)e_font), name); return NULL; } return font; } #if defined(FEAT_EVAL) || defined(PROTO) /* * Return the name of font "font" in allocated memory. */ char_u * gui_mch_get_fontname(GuiFont font, char_u *name UNUSED) { if (font != NOFONT) { char *pangoname = pango_font_description_to_string(font); if (pangoname != NULL) { char_u *s = vim_strsave((char_u *)pangoname); g_free(pangoname); return s; } } return NULL; } #endif /* * If a font is not going to be used, free its structure. */ void gui_mch_free_font(GuiFont font) { if (font != NOFONT) pango_font_description_free(font); } /* * Return the Pixel value (color) for the given color name. * * Return INVALCOLOR for error. */ guicolor_T gui_mch_get_color(char_u *name) { guicolor_T color = INVALCOLOR; if (!gui.in_use) // can't do this when GUI not running return color; if (name != NULL) color = gui_get_color_cmn(name); #if GTK_CHECK_VERSION(3,0,0) return color; #else if (color == INVALCOLOR) return INVALCOLOR; return gui_mch_get_rgb_color( (color & 0xff0000) >> 16, (color & 0xff00) >> 8, color & 0xff); #endif } /* * Return the Pixel value (color) for the given RGB values. * Return INVALCOLOR for error. */ guicolor_T gui_mch_get_rgb_color(int r, int g, int b) { #if GTK_CHECK_VERSION(3,0,0) return gui_get_rgb_color_cmn(r, g, b); #else GdkColor gcolor; int ret; gcolor.red = (guint16)(r / 255.0 * 65535 + 0.5); gcolor.green = (guint16)(g / 255.0 * 65535 + 0.5); gcolor.blue = (guint16)(b / 255.0 * 65535 + 0.5); ret = gdk_colormap_alloc_color(gtk_widget_get_colormap(gui.drawarea), &gcolor, FALSE, TRUE); return ret != 0 ? (guicolor_T)gcolor.pixel : INVALCOLOR; #endif } /* * Set the current text foreground color. */ void gui_mch_set_fg_color(guicolor_T color) { #if GTK_CHECK_VERSION(3,0,0) *gui.fgcolor = color_to_rgba(color); #else gui.fgcolor->pixel = (unsigned long)color; #endif } /* * Set the current text background color. */ void gui_mch_set_bg_color(guicolor_T color) { #if GTK_CHECK_VERSION(3,0,0) *gui.bgcolor = color_to_rgba(color); #else gui.bgcolor->pixel = (unsigned long)color; #endif } /* * Set the current text special color. */ void gui_mch_set_sp_color(guicolor_T color) { #if GTK_CHECK_VERSION(3,0,0) *gui.spcolor = color_to_rgba(color); #else gui.spcolor->pixel = (unsigned long)color; #endif } /* * Function-like convenience macro for the sake of efficiency. */ #define INSERT_PANGO_ATTR(Attribute, AttrList, Start, End) \ G_STMT_START{ \ PangoAttribute *tmp_attr_; \ tmp_attr_ = (Attribute); \ tmp_attr_->start_index = (Start); \ tmp_attr_->end_index = (End); \ pango_attr_list_insert((AttrList), tmp_attr_); \ }G_STMT_END static void apply_wide_font_attr(char_u *s, int len, PangoAttrList *attr_list) { char_u *start = NULL; char_u *p; int uc; for (p = s; p < s + len; p += utf_byte2len(*p)) { uc = utf_ptr2char(p); if (start == NULL) { if (uc >= 0x80 && utf_char2cells(uc) == 2) start = p; } else if (uc < 0x80 // optimization shortcut || (utf_char2cells(uc) != 2 && !utf_iscomposing(uc))) { INSERT_PANGO_ATTR(pango_attr_font_desc_new(gui.wide_font), attr_list, start - s, p - s); start = NULL; } } if (start != NULL) INSERT_PANGO_ATTR(pango_attr_font_desc_new(gui.wide_font), attr_list, start - s, len); } static int count_cluster_cells(char_u *s, PangoItem *item, PangoGlyphString* glyphs, int i, int *cluster_width, int *last_glyph_rbearing) { char_u *p; int next; // glyph start index of next cluster int start, end; // string segment of current cluster int width; // real cluster width in Pango units int uc; int cellcount = 0; width = glyphs->glyphs[i].geometry.width; for (next = i + 1; next < glyphs->num_glyphs; ++next) { if (glyphs->glyphs[next].attr.is_cluster_start) break; else if (glyphs->glyphs[next].geometry.width > width) width = glyphs->glyphs[next].geometry.width; } start = item->offset + glyphs->log_clusters[i]; end = item->offset + ((next < glyphs->num_glyphs) ? glyphs->log_clusters[next] : item->length); for (p = s + start; p < s + end; p += utf_byte2len(*p)) { uc = utf_ptr2char(p); if (uc < 0x80) ++cellcount; else if (!utf_iscomposing(uc)) cellcount += utf_char2cells(uc); } if (last_glyph_rbearing != NULL && cellcount > 0 && next == glyphs->num_glyphs) { PangoRectangle ink_rect; /* * If a certain combining mark had to be taken from a non-monospace * font, we have to compensate manually by adapting x_offset according * to the ink extents of the previous glyph. */ pango_font_get_glyph_extents(item->analysis.font, glyphs->glyphs[i].glyph, &ink_rect, NULL); if (PANGO_RBEARING(ink_rect) > 0) *last_glyph_rbearing = PANGO_RBEARING(ink_rect); } if (cellcount > 0) *cluster_width = width; return cellcount; } /* * If there are only combining characters in the cluster, we cannot just * change the width of the previous glyph since there is none. Therefore * some guesswork is needed. * * If ink_rect.x is negative Pango apparently has taken care of the composing * by itself. Actually setting x_offset = 0 should be sufficient then, but due * to problems with composing from different fonts we still need to fine-tune * x_offset to avoid ugliness. * * If ink_rect.x is not negative, force overstriking by pointing x_offset to * the position of the previous glyph. Apparently this happens only with old * X fonts which don't provide the special combining information needed by * Pango. */ static void setup_zero_width_cluster(PangoItem *item, PangoGlyphInfo *glyph, int last_cellcount, int last_cluster_width, int last_glyph_rbearing) { PangoRectangle ink_rect; PangoRectangle logical_rect; int width; width = last_cellcount * gui.char_width * PANGO_SCALE; glyph->geometry.x_offset = -width + MAX(0, width - last_cluster_width) / 2; glyph->geometry.width = 0; pango_font_get_glyph_extents(item->analysis.font, glyph->glyph, &ink_rect, &logical_rect); if (ink_rect.x < 0) { glyph->geometry.x_offset += last_glyph_rbearing; glyph->geometry.y_offset = logical_rect.height - (gui.char_height - p_linespace) * PANGO_SCALE; } else // If the accent width is smaller than the cluster width, position it // in the middle. glyph->geometry.x_offset = -width + MAX(0, width - ink_rect.width) / 2; } #if GTK_CHECK_VERSION(3,0,0) static void draw_glyph_string(int row, int col, int num_cells, int flags, PangoFont *font, PangoGlyphString *glyphs, cairo_t *cr) #else static void draw_glyph_string(int row, int col, int num_cells, int flags, PangoFont *font, PangoGlyphString *glyphs) #endif { if (!(flags & DRAW_TRANSP)) { #if GTK_CHECK_VERSION(3,0,0) cairo_set_source_rgba(cr, gui.bgcolor->red, gui.bgcolor->green, gui.bgcolor->blue, gui.bgcolor->alpha); cairo_rectangle(cr, FILL_X(col), FILL_Y(row), num_cells * gui.char_width, gui.char_height); cairo_fill(cr); #else gdk_gc_set_foreground(gui.text_gc, gui.bgcolor); gdk_draw_rectangle(gui.drawarea->window, gui.text_gc, TRUE, FILL_X(col), FILL_Y(row), num_cells * gui.char_width, gui.char_height); #endif } #if GTK_CHECK_VERSION(3,0,0) cairo_set_source_rgba(cr, gui.fgcolor->red, gui.fgcolor->green, gui.fgcolor->blue, gui.fgcolor->alpha); cairo_move_to(cr, TEXT_X(col), TEXT_Y(row)); pango_cairo_show_glyph_string(cr, font, glyphs); #else gdk_gc_set_foreground(gui.text_gc, gui.fgcolor); gdk_draw_glyphs(gui.drawarea->window, gui.text_gc, font, TEXT_X(col), TEXT_Y(row), glyphs); #endif // redraw the contents with an offset of 1 to emulate bold if ((flags & DRAW_BOLD) && !gui.font_can_bold) #if GTK_CHECK_VERSION(3,0,0) { cairo_set_source_rgba(cr, gui.fgcolor->red, gui.fgcolor->green, gui.fgcolor->blue, gui.fgcolor->alpha); cairo_move_to(cr, TEXT_X(col) + 1, TEXT_Y(row)); pango_cairo_show_glyph_string(cr, font, glyphs); } #else gdk_draw_glyphs(gui.drawarea->window, gui.text_gc, font, TEXT_X(col) + 1, TEXT_Y(row), glyphs); #endif } /* * Draw underline and undercurl at the bottom of the character cell. */ #if GTK_CHECK_VERSION(3,0,0) static void draw_under(int flags, int row, int col, int cells, cairo_t *cr) #else static void draw_under(int flags, int row, int col, int cells) #endif { int i; int offset; static const int val[8] = {1, 0, 0, 0, 1, 2, 2, 2 }; int y = FILL_Y(row + 1) - 1; // Undercurl: draw curl at the bottom of the character cell. if (flags & DRAW_UNDERC) { #if GTK_CHECK_VERSION(3,0,0) cairo_set_line_width(cr, 1.0); cairo_set_line_cap(cr, CAIRO_LINE_CAP_BUTT); cairo_set_source_rgba(cr, gui.spcolor->red, gui.spcolor->green, gui.spcolor->blue, gui.spcolor->alpha); for (i = FILL_X(col); i < FILL_X(col + cells); ++i) { offset = val[i % 8]; cairo_line_to(cr, i, y - offset + 0.5); } cairo_stroke(cr); #else gdk_gc_set_foreground(gui.text_gc, gui.spcolor); for (i = FILL_X(col); i < FILL_X(col + cells); ++i) { offset = val[i % 8]; gdk_draw_point(gui.drawarea->window, gui.text_gc, i, y - offset); } gdk_gc_set_foreground(gui.text_gc, gui.fgcolor); #endif } // Draw a strikethrough line if (flags & DRAW_STRIKE) { #if GTK_CHECK_VERSION(3,0,0) cairo_set_line_width(cr, 1.0); cairo_set_line_cap(cr, CAIRO_LINE_CAP_BUTT); cairo_set_source_rgba(cr, gui.spcolor->red, gui.spcolor->green, gui.spcolor->blue, gui.spcolor->alpha); cairo_move_to(cr, FILL_X(col), y + 1 - gui.char_height/2 + 0.5); cairo_line_to(cr, FILL_X(col + cells), y + 1 - gui.char_height/2 + 0.5); cairo_stroke(cr); #else gdk_gc_set_foreground(gui.text_gc, gui.spcolor); gdk_draw_line(gui.drawarea->window, gui.text_gc, FILL_X(col), y + 1 - gui.char_height/2, FILL_X(col + cells), y + 1 - gui.char_height/2); gdk_gc_set_foreground(gui.text_gc, gui.fgcolor); #endif } // Underline: draw a line at the bottom of the character cell. if (flags & DRAW_UNDERL) { // When p_linespace is 0, overwrite the bottom row of pixels. // Otherwise put the line just below the character. if (p_linespace > 1) y -= p_linespace - 1; #if GTK_CHECK_VERSION(3,0,0) cairo_set_line_width(cr, 1.0); cairo_set_line_cap(cr, CAIRO_LINE_CAP_BUTT); cairo_set_source_rgba(cr, gui.fgcolor->red, gui.fgcolor->green, gui.fgcolor->blue, gui.fgcolor->alpha); cairo_move_to(cr, FILL_X(col), y + 0.5); cairo_line_to(cr, FILL_X(col + cells), y + 0.5); cairo_stroke(cr); #else gdk_draw_line(gui.drawarea->window, gui.text_gc, FILL_X(col), y, FILL_X(col + cells) - 1, y); #endif } } int gui_gtk2_draw_string(int row, int col, char_u *s, int len, int flags) { GdkRectangle area; // area for clip mask PangoGlyphString *glyphs; // glyphs of current item int column_offset = 0; // column offset in cells int i; char_u *conv_buf = NULL; // result of UTF-8 conversion char_u *new_conv_buf; int convlen; char_u *sp, *bp; int plen; #if GTK_CHECK_VERSION(3,0,0) cairo_t *cr; #endif if (gui.text_context == NULL || gtk_widget_get_window(gui.drawarea) == NULL) return len; if (output_conv.vc_type != CONV_NONE) { /* * Convert characters from 'encoding' to 'termencoding', which is set * to UTF-8 by gui_mch_init(). did_set_string_option() in option.c * prohibits changing this to something else than UTF-8 if the GUI is * in use. */ convlen = len; conv_buf = string_convert(&output_conv, s, &convlen); g_return_val_if_fail(conv_buf != NULL, len); // Correct for differences in char width: some chars are // double-wide in 'encoding' but single-wide in utf-8. Add a space to // compensate for that. for (sp = s, bp = conv_buf; sp < s + len && bp < conv_buf + convlen; ) { plen = utf_ptr2len(bp); if ((*mb_ptr2cells)(sp) == 2 && utf_ptr2cells(bp) == 1) { new_conv_buf = alloc(convlen + 2); if (new_conv_buf == NULL) return len; plen += bp - conv_buf; mch_memmove(new_conv_buf, conv_buf, plen); new_conv_buf[plen] = ' '; mch_memmove(new_conv_buf + plen + 1, conv_buf + plen, convlen - plen + 1); vim_free(conv_buf); conv_buf = new_conv_buf; ++convlen; bp = conv_buf + plen; plen = 1; } sp += (*mb_ptr2len)(sp); bp += plen; } s = conv_buf; len = convlen; } /* * Restrict all drawing to the current screen line in order to prevent * fuzzy font lookups from messing up the screen. */ area.x = gui.border_offset; area.y = FILL_Y(row); area.width = gui.num_cols * gui.char_width; area.height = gui.char_height; #if GTK_CHECK_VERSION(3,0,0) cr = cairo_create(gui.surface); cairo_rectangle(cr, area.x, area.y, area.width, area.height); cairo_clip(cr); #else gdk_gc_set_clip_origin(gui.text_gc, 0, 0); gdk_gc_set_clip_rectangle(gui.text_gc, &area); #endif glyphs = pango_glyph_string_new(); /* * Optimization hack: If possible, skip the itemize and shaping process * for pure ASCII strings. This optimization is particularly effective * because Vim draws space characters to clear parts of the screen. */ if (!(flags & DRAW_ITALIC) && !((flags & DRAW_BOLD) && gui.font_can_bold) && gui.ascii_glyphs != NULL) { char_u *p; for (p = s; p < s + len; ++p) if (*p & 0x80) goto not_ascii; pango_glyph_string_set_size(glyphs, len); for (i = 0; i < len; ++i) { glyphs->glyphs[i] = gui.ascii_glyphs->glyphs[2 * s[i]]; glyphs->log_clusters[i] = i; } #if GTK_CHECK_VERSION(3,0,0) draw_glyph_string(row, col, len, flags, gui.ascii_font, glyphs, cr); #else draw_glyph_string(row, col, len, flags, gui.ascii_font, glyphs); #endif column_offset = len; } else not_ascii: { PangoAttrList *attr_list; GList *item_list; int cluster_width; int last_glyph_rbearing; int cells = 0; // cells occupied by current cluster // Safety check: pango crashes when invoked with invalid utf-8 // characters. if (!utf_valid_string(s, s + len)) { column_offset = len; goto skipitall; } // original width of the current cluster cluster_width = PANGO_SCALE * gui.char_width; // right bearing of the last non-composing glyph last_glyph_rbearing = PANGO_SCALE * gui.char_width; attr_list = pango_attr_list_new(); // If 'guifontwide' is set then use that for double-width characters. // Otherwise just go with 'guifont' and let Pango do its thing. if (gui.wide_font != NULL) apply_wide_font_attr(s, len, attr_list); if ((flags & DRAW_BOLD) && gui.font_can_bold) INSERT_PANGO_ATTR(pango_attr_weight_new(PANGO_WEIGHT_BOLD), attr_list, 0, len); if (flags & DRAW_ITALIC) INSERT_PANGO_ATTR(pango_attr_style_new(PANGO_STYLE_ITALIC), attr_list, 0, len); /* * Break the text into segments with consistent directional level * and shaping engine. Pure Latin text needs only a single segment, * so there's no need to worry about the loop's efficiency. Better * try to optimize elsewhere, e.g. reducing exposes and stuff :) */ item_list = pango_itemize(gui.text_context, (const char *)s, 0, len, attr_list, NULL); while (item_list != NULL) { PangoItem *item; int item_cells = 0; // item length in cells item = (PangoItem *)item_list->data; item_list = g_list_delete_link(item_list, item_list); /* * Increment the bidirectional embedding level by 1 if it is not * even. An odd number means the output will be RTL, but we don't * want that since Vim handles right-to-left text on its own. It * would probably be sufficient to just set level = 0, but you can * never know :) * * Unfortunately we can't take advantage of Pango's ability to * render both LTR and RTL at the same time. In order to support * that, Vim's main screen engine would have to make use of Pango * functionality. */ item->analysis.level = (item->analysis.level + 1) & (~1U); // HACK: Overrule the shape engine, we don't want shaping to be // done, because drawing the cursor would change the display. item->analysis.shape_engine = default_shape_engine; #ifdef HAVE_PANGO_SHAPE_FULL pango_shape_full((const char *)s + item->offset, item->length, (const char *)s, len, &item->analysis, glyphs); #else pango_shape((const char *)s + item->offset, item->length, &item->analysis, glyphs); #endif /* * Fixed-width hack: iterate over the array and assign a fixed * width to each glyph, thus overriding the choice made by the * shaping engine. We use utf_char2cells() to determine the * number of cells needed. * * Also perform all kind of dark magic to get composing * characters right (and pretty too of course). */ for (i = 0; i < glyphs->num_glyphs; ++i) { PangoGlyphInfo *glyph; glyph = &glyphs->glyphs[i]; if (glyph->attr.is_cluster_start) { int cellcount; cellcount = count_cluster_cells( s, item, glyphs, i, &cluster_width, (item_list != NULL) ? &last_glyph_rbearing : NULL); if (cellcount > 0) { int width; width = cellcount * gui.char_width * PANGO_SCALE; glyph->geometry.x_offset += MAX(0, width - cluster_width) / 2; glyph->geometry.width = width; } else { // If there are only combining characters in the // cluster, we cannot just change the width of the // previous glyph since there is none. Therefore // some guesswork is needed. setup_zero_width_cluster(item, glyph, cells, cluster_width, last_glyph_rbearing); } item_cells += cellcount; cells = cellcount; } else if (i > 0) { int width; // There is a previous glyph, so we deal with combining // characters the canonical way. // In some circumstances Pango uses a positive x_offset, // then use the width of the previous glyph for this one // and set the previous width to zero. // Otherwise we get a negative x_offset, Pango has already // positioned the combining char, keep the widths as they // are. // For both adjust the x_offset to position the glyph in // the middle. if (glyph->geometry.x_offset >= 0) { glyphs->glyphs[i].geometry.width = glyphs->glyphs[i - 1].geometry.width; glyphs->glyphs[i - 1].geometry.width = 0; } width = cells * gui.char_width * PANGO_SCALE; glyph->geometry.x_offset += MAX(0, width - cluster_width) / 2; } else // i == 0 "cannot happen" { glyph->geometry.width = 0; } } //// Aaaaand action! ** #if GTK_CHECK_VERSION(3,0,0) draw_glyph_string(row, col + column_offset, item_cells, flags, item->analysis.font, glyphs, cr); #else draw_glyph_string(row, col + column_offset, item_cells, flags, item->analysis.font, glyphs); #endif pango_item_free(item); column_offset += item_cells; } pango_attr_list_unref(attr_list); } skipitall: // Draw underline and undercurl. #if GTK_CHECK_VERSION(3,0,0) draw_under(flags, row, col, column_offset, cr); #else draw_under(flags, row, col, column_offset); #endif pango_glyph_string_free(glyphs); vim_free(conv_buf); #if GTK_CHECK_VERSION(3,0,0) cairo_destroy(cr); if (!gui.by_signal) gdk_window_invalidate_rect(gtk_widget_get_window(gui.drawarea), &area, FALSE); #else gdk_gc_set_clip_rectangle(gui.text_gc, NULL); #endif return column_offset; } /* * Return OK if the key with the termcap name "name" is supported. */ int gui_mch_haskey(char_u *name) { int i; for (i = 0; special_keys[i].key_sym != 0; i++) if (name[0] == special_keys[i].code0 && name[1] == special_keys[i].code1) return OK; return FAIL; } #if defined(FEAT_TITLE) || defined(FEAT_EVAL) || defined(PROTO) /* * Return the text window-id and display. Only required for X-based GUI's */ int gui_get_x11_windis(Window *win, Display **dis) { if (gui.mainwin != NULL && gtk_widget_get_window(gui.mainwin) != NULL) { *dis = GDK_WINDOW_XDISPLAY(gtk_widget_get_window(gui.mainwin)); *win = GDK_WINDOW_XID(gtk_widget_get_window(gui.mainwin)); return OK; } *dis = NULL; *win = 0; return FAIL; } #endif #if defined(FEAT_CLIENTSERVER) \ || (defined(FEAT_X11) && defined(FEAT_CLIPBOARD)) || defined(PROTO) Display * gui_mch_get_display(void) { if (gui.mainwin != NULL && gtk_widget_get_window(gui.mainwin) != NULL) return GDK_WINDOW_XDISPLAY(gtk_widget_get_window(gui.mainwin)); else return NULL; } #endif void gui_mch_beep(void) { GdkDisplay *display; if (gui.mainwin != NULL && gtk_widget_get_realized(gui.mainwin)) display = gtk_widget_get_display(gui.mainwin); else display = gdk_display_get_default(); if (display != NULL) gdk_display_beep(display); } void gui_mch_flash(int msec) { #if GTK_CHECK_VERSION(3,0,0) // TODO Replace GdkGC with Cairo (void)msec; #else GdkGCValues values; GdkGC *invert_gc; if (gui.drawarea->window == NULL) return; values.foreground.pixel = gui.norm_pixel ^ gui.back_pixel; values.background.pixel = gui.norm_pixel ^ gui.back_pixel; values.function = GDK_XOR; invert_gc = gdk_gc_new_with_values(gui.drawarea->window, &values, GDK_GC_FOREGROUND | GDK_GC_BACKGROUND | GDK_GC_FUNCTION); gdk_gc_set_exposures(invert_gc, gui.visibility != GDK_VISIBILITY_UNOBSCURED); /* * Do a visual beep by changing back and forth in some undetermined way, * the foreground and background colors. This is due to the fact that * there can't be really any prediction about the effects of XOR on * arbitrary X11 servers. However this seems to be enough for what we * intend it to do. */ gdk_draw_rectangle(gui.drawarea->window, invert_gc, TRUE, 0, 0, FILL_X((int)Columns) + gui.border_offset, FILL_Y((int)Rows) + gui.border_offset); gui_mch_flush(); ui_delay((long)msec, TRUE); // wait so many msec gdk_draw_rectangle(gui.drawarea->window, invert_gc, TRUE, 0, 0, FILL_X((int)Columns) + gui.border_offset, FILL_Y((int)Rows) + gui.border_offset); gdk_gc_destroy(invert_gc); #endif } /* * Invert a rectangle from row r, column c, for nr rows and nc columns. */ void gui_mch_invert_rectangle(int r, int c, int nr, int nc) { #if GTK_CHECK_VERSION(3,0,0) const GdkRectangle rect = { FILL_X(c), FILL_Y(r), nc * gui.char_width, nr * gui.char_height }; cairo_t * const cr = cairo_create(gui.surface); set_cairo_source_rgba_from_color(cr, gui.norm_pixel ^ gui.back_pixel); # if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1,9,2) cairo_set_operator(cr, CAIRO_OPERATOR_DIFFERENCE); # else // Give an implementation for older cairo versions if necessary. # endif gdk_cairo_rectangle(cr, &rect); cairo_fill(cr); cairo_destroy(cr); if (!gui.by_signal) gtk_widget_queue_draw_area(gui.drawarea, rect.x, rect.y, rect.width, rect.height); #else GdkGCValues values; GdkGC *invert_gc; if (gui.drawarea->window == NULL) return; values.foreground.pixel = gui.norm_pixel ^ gui.back_pixel; values.background.pixel = gui.norm_pixel ^ gui.back_pixel; values.function = GDK_XOR; invert_gc = gdk_gc_new_with_values(gui.drawarea->window, &values, GDK_GC_FOREGROUND | GDK_GC_BACKGROUND | GDK_GC_FUNCTION); gdk_gc_set_exposures(invert_gc, gui.visibility != GDK_VISIBILITY_UNOBSCURED); gdk_draw_rectangle(gui.drawarea->window, invert_gc, TRUE, FILL_X(c), FILL_Y(r), (nc) * gui.char_width, (nr) * gui.char_height); gdk_gc_destroy(invert_gc); #endif } /* * Iconify the GUI window. */ void gui_mch_iconify(void) { gtk_window_iconify(GTK_WINDOW(gui.mainwin)); } #if defined(FEAT_EVAL) || defined(PROTO) /* * Bring the Vim window to the foreground. */ void gui_mch_set_foreground(void) { gtk_window_present(GTK_WINDOW(gui.mainwin)); } #endif /* * Draw a cursor without focus. */ void gui_mch_draw_hollow_cursor(guicolor_T color) { int i = 1; #if GTK_CHECK_VERSION(3,0,0) cairo_t *cr; #endif if (gtk_widget_get_window(gui.drawarea) == NULL) return; #if GTK_CHECK_VERSION(3,0,0) cr = cairo_create(gui.surface); #endif gui_mch_set_fg_color(color); #if GTK_CHECK_VERSION(3,0,0) cairo_set_source_rgba(cr, gui.fgcolor->red, gui.fgcolor->green, gui.fgcolor->blue, gui.fgcolor->alpha); #else gdk_gc_set_foreground(gui.text_gc, gui.fgcolor); #endif if (mb_lefthalve(gui.row, gui.col)) i = 2; #if GTK_CHECK_VERSION(3,0,0) cairo_set_line_width(cr, 1.0); cairo_set_line_cap(cr, CAIRO_LINE_CAP_BUTT); cairo_rectangle(cr, FILL_X(gui.col) + 0.5, FILL_Y(gui.row) + 0.5, i * gui.char_width - 1, gui.char_height - 1); cairo_stroke(cr); cairo_destroy(cr); #else gdk_draw_rectangle(gui.drawarea->window, gui.text_gc, FALSE, FILL_X(gui.col), FILL_Y(gui.row), i * gui.char_width - 1, gui.char_height - 1); #endif } /* * Draw part of a cursor, "w" pixels wide, and "h" pixels high, using * color "color". */ void gui_mch_draw_part_cursor(int w, int h, guicolor_T color) { if (gtk_widget_get_window(gui.drawarea) == NULL) return; gui_mch_set_fg_color(color); #if GTK_CHECK_VERSION(3,0,0) { cairo_t *cr; cr = cairo_create(gui.surface); cairo_set_source_rgba(cr, gui.fgcolor->red, gui.fgcolor->green, gui.fgcolor->blue, gui.fgcolor->alpha); cairo_rectangle(cr, # ifdef FEAT_RIGHTLEFT // vertical line should be on the right of current point CURSOR_BAR_RIGHT ? FILL_X(gui.col + 1) - w : # endif FILL_X(gui.col), FILL_Y(gui.row) + gui.char_height - h, w, h); cairo_fill(cr); cairo_destroy(cr); } #else // !GTK_CHECK_VERSION(3,0,0) gdk_gc_set_foreground(gui.text_gc, gui.fgcolor); gdk_draw_rectangle(gui.drawarea->window, gui.text_gc, TRUE, # ifdef FEAT_RIGHTLEFT // vertical line should be on the right of current point CURSOR_BAR_RIGHT ? FILL_X(gui.col + 1) - w : # endif FILL_X(gui.col), FILL_Y(gui.row) + gui.char_height - h, w, h); #endif // !GTK_CHECK_VERSION(3,0,0) } /* * Catch up with any queued X11 events. This may put keyboard input into the * input buffer, call resize call-backs, trigger timers etc. If there is * nothing in the X11 event queue (& no timers pending), then we return * immediately. */ void gui_mch_update(void) { while (g_main_context_pending(NULL) && !vim_is_input_buf_full()) g_main_context_iteration(NULL, TRUE); } static timeout_cb_type input_timer_cb(gpointer data) { int *timed_out = (int *) data; // Just inform the caller about the occurrence of it *timed_out = TRUE; return FALSE; // don't happen again } #ifdef FEAT_JOB_CHANNEL static timeout_cb_type channel_poll_cb(gpointer data UNUSED) { // Using an event handler for a channel that may be disconnected does // not work, it hangs. Instead poll for messages. channel_handle_events(TRUE); parse_queued_messages(); return TRUE; // repeat } #endif /* * GUI input routine called by gui_wait_for_chars(). Waits for a character * from the keyboard. * wtime == -1 Wait forever. * wtime == 0 This should never happen. * wtime > 0 Wait wtime milliseconds for a character. * Returns OK if a character was found to be available within the given time, * or FAIL otherwise. */ int gui_mch_wait_for_chars(long wtime) { int focus; guint timer; static int timed_out; int retval = FAIL; #ifdef FEAT_JOB_CHANNEL guint channel_timer = 0; #endif timed_out = FALSE; // This timeout makes sure that we will return if no characters arrived in // time. If "wtime" is zero just use one. if (wtime >= 0) timer = timeout_add(wtime == 0 ? 1L : wtime, input_timer_cb, &timed_out); else timer = 0; #ifdef FEAT_JOB_CHANNEL // If there is a channel with the keep_open flag we need to poll for input // on them. if (channel_any_keep_open()) channel_timer = timeout_add(20, channel_poll_cb, NULL); #endif focus = gui.in_focus; do { // Stop or start blinking when focus changes if (gui.in_focus != focus) { if (gui.in_focus) gui_mch_start_blink(); else gui_mch_stop_blink(TRUE); focus = gui.in_focus; } #ifdef MESSAGE_QUEUE # ifdef FEAT_TIMERS did_add_timer = FALSE; # endif parse_queued_messages(); # ifdef FEAT_TIMERS if (did_add_timer) // Need to recompute the waiting time. goto theend; # endif #endif /* * Loop in GTK+ processing until a timeout or input occurs. * Skip this if input is available anyway (can happen in rare * situations, sort of race condition). */ if (!input_available()) g_main_context_iteration(NULL, TRUE); // Got char, return immediately if (input_available()) { retval = OK; goto theend; } } while (wtime < 0 || !timed_out); /* * Flush all eventually pending (drawing) events. */ gui_mch_update(); theend: if (timer != 0 && !timed_out) timeout_remove(timer); #ifdef FEAT_JOB_CHANNEL if (channel_timer != 0) timeout_remove(channel_timer); #endif return retval; } ///////////////////////////////////////////////////////////////////////////// // Output drawing routines. // // Flush any output to the screen void gui_mch_flush(void) { if (gui.mainwin != NULL && gtk_widget_get_realized(gui.mainwin)) #if GTK_CHECK_VERSION(2,4,0) gdk_display_flush(gtk_widget_get_display(gui.mainwin)); #else gdk_display_sync(gtk_widget_get_display(gui.mainwin)); #endif } /* * Clear a rectangular region of the screen from text pos (row1, col1) to * (row2, col2) inclusive. */ void gui_mch_clear_block(int row1arg, int col1arg, int row2arg, int col2arg) { int col1 = check_col(col1arg); int col2 = check_col(col2arg); int row1 = check_row(row1arg); int row2 = check_row(row2arg); #if GTK_CHECK_VERSION(3,0,0) if (gtk_widget_get_window(gui.drawarea) == NULL) return; #else GdkColor color; if (gui.drawarea->window == NULL) return; color.pixel = gui.back_pixel; #endif #if GTK_CHECK_VERSION(3,0,0) { // Add one pixel to the far right column in case a double-stroked // bold glyph may sit there. const GdkRectangle rect = { FILL_X(col1), FILL_Y(row1), (col2 - col1 + 1) * gui.char_width + (col2 == Columns - 1), (row2 - row1 + 1) * gui.char_height }; GdkWindow * const win = gtk_widget_get_window(gui.drawarea); cairo_t * const cr = cairo_create(gui.surface); # if GTK_CHECK_VERSION(3,22,2) set_cairo_source_rgba_from_color(cr, gui.back_pixel); # else cairo_pattern_t * const pat = gdk_window_get_background_pattern(win); if (pat != NULL) cairo_set_source(cr, pat); else set_cairo_source_rgba_from_color(cr, gui.back_pixel); # endif gdk_cairo_rectangle(cr, &rect); cairo_fill(cr); cairo_destroy(cr); if (!gui.by_signal) gdk_window_invalidate_rect(win, &rect, FALSE); } #else // !GTK_CHECK_VERSION(3,0,0) gdk_gc_set_foreground(gui.text_gc, &color); // Clear one extra pixel at the far right, for when bold characters have // spilled over to the window border. gdk_draw_rectangle(gui.drawarea->window, gui.text_gc, TRUE, FILL_X(col1), FILL_Y(row1), (col2 - col1 + 1) * gui.char_width + (col2 == Columns - 1), (row2 - row1 + 1) * gui.char_height); #endif // !GTK_CHECK_VERSION(3,0,0) } #if GTK_CHECK_VERSION(3,0,0) static void gui_gtk_window_clear(GdkWindow *win) { const GdkRectangle rect = { 0, 0, gdk_window_get_width(win), gdk_window_get_height(win) }; cairo_t * const cr = cairo_create(gui.surface); # if GTK_CHECK_VERSION(3,22,2) set_cairo_source_rgba_from_color(cr, gui.back_pixel); # else cairo_pattern_t * const pat = gdk_window_get_background_pattern(win); if (pat != NULL) cairo_set_source(cr, pat); else set_cairo_source_rgba_from_color(cr, gui.back_pixel); # endif gdk_cairo_rectangle(cr, &rect); cairo_fill(cr); cairo_destroy(cr); if (!gui.by_signal) gdk_window_invalidate_rect(win, &rect, FALSE); } #else # define gui_gtk_window_clear(win) gdk_window_clear(win) #endif void gui_mch_clear_all(void) { if (gtk_widget_get_window(gui.drawarea) != NULL) gui_gtk_window_clear(gtk_widget_get_window(gui.drawarea)); } #if !GTK_CHECK_VERSION(3,0,0) /* * Redraw any text revealed by scrolling up/down. */ static void check_copy_area(void) { GdkEvent *event; int expose_count; if (gui.visibility != GDK_VISIBILITY_PARTIAL) return; // Avoid redrawing the cursor while scrolling or it'll end up where // we don't want it to be. I'm not sure if it's correct to call // gui_dont_update_cursor() at this point but it works as a quick // fix for now. gui_dont_update_cursor(TRUE); do { // Wait to check whether the scroll worked or not. event = gdk_event_get_graphics_expose(gui.drawarea->window); if (event == NULL) break; // received NoExpose event gui_redraw(event->expose.area.x, event->expose.area.y, event->expose.area.width, event->expose.area.height); expose_count = event->expose.count; gdk_event_free(event); } while (expose_count > 0); // more events follow gui_can_update_cursor(); } #endif // !GTK_CHECK_VERSION(3,0,0) #if GTK_CHECK_VERSION(3,0,0) static void gui_gtk_surface_copy_rect(int dest_x, int dest_y, int src_x, int src_y, int width, int height) { cairo_t * const cr = cairo_create(gui.surface); cairo_rectangle(cr, dest_x, dest_y, width, height); cairo_clip(cr); cairo_push_group(cr); cairo_set_source_surface(cr, gui.surface, dest_x - src_x, dest_y - src_y); cairo_paint(cr); cairo_pop_group_to_source(cr); cairo_paint(cr); cairo_destroy(cr); } #endif /* * Delete the given number of lines from the given row, scrolling up any * text further down within the scroll region. */ void gui_mch_delete_lines(int row, int num_lines) { #if GTK_CHECK_VERSION(3,0,0) const int ncols = gui.scroll_region_right - gui.scroll_region_left + 1; const int nrows = gui.scroll_region_bot - row + 1; const int src_nrows = nrows - num_lines; gui_gtk_surface_copy_rect( FILL_X(gui.scroll_region_left), FILL_Y(row), FILL_X(gui.scroll_region_left), FILL_Y(row + num_lines), gui.char_width * ncols + 1, gui.char_height * src_nrows); gui_clear_block( gui.scroll_region_bot - num_lines + 1, gui.scroll_region_left, gui.scroll_region_bot, gui.scroll_region_right); gui_gtk3_redraw( FILL_X(gui.scroll_region_left), FILL_Y(row), gui.char_width * ncols + 1, gui.char_height * nrows); if (!gui.by_signal) gtk_widget_queue_draw_area(gui.drawarea, FILL_X(gui.scroll_region_left), FILL_Y(row), gui.char_width * ncols + 1, gui.char_height * nrows); #else if (gui.visibility == GDK_VISIBILITY_FULLY_OBSCURED) return; // Can't see the window gdk_gc_set_foreground(gui.text_gc, gui.fgcolor); gdk_gc_set_background(gui.text_gc, gui.bgcolor); // copy one extra pixel, for when bold has spilled over gdk_window_copy_area(gui.drawarea->window, gui.text_gc, FILL_X(gui.scroll_region_left), FILL_Y(row), gui.drawarea->window, FILL_X(gui.scroll_region_left), FILL_Y(row + num_lines), gui.char_width * (gui.scroll_region_right - gui.scroll_region_left + 1) + 1, gui.char_height * (gui.scroll_region_bot - row - num_lines + 1)); gui_clear_block(gui.scroll_region_bot - num_lines + 1, gui.scroll_region_left, gui.scroll_region_bot, gui.scroll_region_right); check_copy_area(); #endif // !GTK_CHECK_VERSION(3,0,0) } /* * Insert the given number of lines before the given row, scrolling down any * following text within the scroll region. */ void gui_mch_insert_lines(int row, int num_lines) { #if GTK_CHECK_VERSION(3,0,0) const int ncols = gui.scroll_region_right - gui.scroll_region_left + 1; const int nrows = gui.scroll_region_bot - row + 1; const int src_nrows = nrows - num_lines; gui_gtk_surface_copy_rect( FILL_X(gui.scroll_region_left), FILL_Y(row + num_lines), FILL_X(gui.scroll_region_left), FILL_Y(row), gui.char_width * ncols + 1, gui.char_height * src_nrows); gui_mch_clear_block( row, gui.scroll_region_left, row + num_lines - 1, gui.scroll_region_right); gui_gtk3_redraw( FILL_X(gui.scroll_region_left), FILL_Y(row), gui.char_width * ncols + 1, gui.char_height * nrows); if (!gui.by_signal) gtk_widget_queue_draw_area(gui.drawarea, FILL_X(gui.scroll_region_left), FILL_Y(row), gui.char_width * ncols + 1, gui.char_height * nrows); #else if (gui.visibility == GDK_VISIBILITY_FULLY_OBSCURED) return; // Can't see the window gdk_gc_set_foreground(gui.text_gc, gui.fgcolor); gdk_gc_set_background(gui.text_gc, gui.bgcolor); // copy one extra pixel, for when bold has spilled over gdk_window_copy_area(gui.drawarea->window, gui.text_gc, FILL_X(gui.scroll_region_left), FILL_Y(row + num_lines), gui.drawarea->window, FILL_X(gui.scroll_region_left), FILL_Y(row), gui.char_width * (gui.scroll_region_right - gui.scroll_region_left + 1) + 1, gui.char_height * (gui.scroll_region_bot - row - num_lines + 1)); gui_clear_block(row, gui.scroll_region_left, row + num_lines - 1, gui.scroll_region_right); check_copy_area(); #endif // !GTK_CHECK_VERSION(3,0,0) } /* * X Selection stuff, for cutting and pasting text to other windows. */ void clip_mch_request_selection(Clipboard_T *cbd) { GdkAtom target; unsigned i; time_t start; for (i = 0; i < N_SELECTION_TARGETS; ++i) { if (!clip_html && selection_targets[i].info == TARGET_HTML) continue; received_selection = RS_NONE; target = gdk_atom_intern(selection_targets[i].target, FALSE); gtk_selection_convert(gui.drawarea, cbd->gtk_sel_atom, target, (guint32)GDK_CURRENT_TIME); // Hack: Wait up to three seconds for the selection. A hang was // noticed here when using the netrw plugin combined with ":gui" // during the FocusGained event. start = time(NULL); while (received_selection == RS_NONE && time(NULL) < start + 3) g_main_context_iteration(NULL, TRUE); // wait for selection_received_cb if (received_selection != RS_FAIL) return; } // Final fallback position - use the X CUT_BUFFER0 store yank_cut_buffer0(GDK_WINDOW_XDISPLAY(gtk_widget_get_window(gui.mainwin)), cbd); } /* * Disown the selection. */ void clip_mch_lose_selection(Clipboard_T *cbd UNUSED) { if (!in_selection_clear_event) { gtk_selection_owner_set(NULL, cbd->gtk_sel_atom, gui.event_time); gui_mch_update(); } } /* * Own the selection and return OK if it worked. */ int clip_mch_own_selection(Clipboard_T *cbd) { int success; success = gtk_selection_owner_set(gui.drawarea, cbd->gtk_sel_atom, gui.event_time); gui_mch_update(); return (success) ? OK : FAIL; } /* * Send the current selection to the clipboard. Do nothing for X because we * will fill in the selection only when requested by another app. */ void clip_mch_set_selection(Clipboard_T *cbd UNUSED) { } #if (defined(FEAT_XCLIPBOARD) && defined(USE_SYSTEM)) || defined(PROTO) int clip_gtk_owner_exists(Clipboard_T *cbd) { return gdk_selection_owner_get(cbd->gtk_sel_atom) != NULL; } #endif #if defined(FEAT_MENU) || defined(PROTO) /* * Make a menu item appear either active or not active (grey or not grey). */ void gui_mch_menu_grey(vimmenu_T *menu, int grey) { if (menu->id == NULL) return; if (menu_is_separator(menu->name)) grey = TRUE; gui_mch_menu_hidden(menu, FALSE); // Be clever about bitfields versus true booleans here! if (!gtk_widget_get_sensitive(menu->id) == !grey) { gtk_widget_set_sensitive(menu->id, !grey); gui_mch_update(); } } /* * Make menu item hidden or not hidden. */ void gui_mch_menu_hidden(vimmenu_T *menu, int hidden) { if (menu->id == 0) return; if (hidden) { if (gtk_widget_get_visible(menu->id)) { gtk_widget_hide(menu->id); gui_mch_update(); } } else { if (!gtk_widget_get_visible(menu->id)) { gtk_widget_show(menu->id); gui_mch_update(); } } } /* * This is called after setting all the menus to grey/hidden or not. */ void gui_mch_draw_menubar(void) { // just make sure that the visual changes get effect immediately gui_mch_update(); } #endif // FEAT_MENU /* * Scrollbar stuff. */ void gui_mch_enable_scrollbar(scrollbar_T *sb, int flag) { if (sb->id == NULL) return; gtk_widget_set_visible(sb->id, flag); update_window_manager_hints(0, 0); } /* * Return the RGB value of a pixel as long. */ guicolor_T gui_mch_get_rgb(guicolor_T pixel) { #if GTK_CHECK_VERSION(3,0,0) return (long_u)pixel; #else GdkColor color; gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), (unsigned long)pixel, &color); return (guicolor_T)( (((unsigned)color.red & 0xff00) << 8) | ((unsigned)color.green & 0xff00) | (((unsigned)color.blue & 0xff00) >> 8)); #endif } /* * Get current mouse coordinates in text window. */ void gui_mch_getmouse(int *x, int *y) { gui_gtk_get_pointer(gui.drawarea, x, y, NULL); } void gui_mch_setmouse(int x, int y) { // Sorry for the Xlib call, but we can't avoid it, since there is no // internal GDK mechanism present to accomplish this. (and for good // reason...) XWarpPointer(GDK_WINDOW_XDISPLAY(gtk_widget_get_window(gui.drawarea)), (Window)0, GDK_WINDOW_XID(gtk_widget_get_window(gui.drawarea)), 0, 0, 0U, 0U, x, y); } #ifdef FEAT_MOUSESHAPE // The last set mouse pointer shape is remembered, to be used when it goes // from hidden to not hidden. static int last_shape = 0; #endif /* * Use the blank mouse pointer or not. * * hide: TRUE = use blank ptr, FALSE = use parent ptr */ void gui_mch_mousehide(int hide) { if (gui.pointer_hidden != hide) { gui.pointer_hidden = hide; if (gtk_widget_get_window(gui.drawarea) && gui.blank_pointer != NULL) { if (hide) gdk_window_set_cursor(gtk_widget_get_window(gui.drawarea), gui.blank_pointer); else #ifdef FEAT_MOUSESHAPE mch_set_mouse_shape(last_shape); #else gdk_window_set_cursor(gtk_widget_get_window(gui.drawarea), NULL); #endif } } } #if defined(FEAT_MOUSESHAPE) || defined(PROTO) // Table for shape IDs. Keep in sync with the mshape_names[] table in // misc2.c! static const int mshape_ids[] = { GDK_LEFT_PTR, // arrow GDK_CURSOR_IS_PIXMAP, // blank GDK_XTERM, // beam GDK_SB_V_DOUBLE_ARROW, // updown GDK_SIZING, // udsizing GDK_SB_H_DOUBLE_ARROW, // leftright GDK_SIZING, // lrsizing GDK_WATCH, // busy GDK_X_CURSOR, // no GDK_CROSSHAIR, // crosshair GDK_HAND1, // hand1 GDK_HAND2, // hand2 GDK_PENCIL, // pencil GDK_QUESTION_ARROW, // question GDK_RIGHT_PTR, // right-arrow GDK_CENTER_PTR, // up-arrow GDK_LEFT_PTR // last one }; void mch_set_mouse_shape(int shape) { int id; GdkCursor *c; if (gtk_widget_get_window(gui.drawarea) == NULL) return; if (shape == MSHAPE_HIDE || gui.pointer_hidden) gdk_window_set_cursor(gtk_widget_get_window(gui.drawarea), gui.blank_pointer); else { if (shape >= MSHAPE_NUMBERED) { id = shape - MSHAPE_NUMBERED; if (id >= GDK_LAST_CURSOR) id = GDK_LEFT_PTR; else id &= ~1; // they are always even (why?) } else if (shape < (int)(sizeof(mshape_ids) / sizeof(int))) id = mshape_ids[shape]; else return; c = gdk_cursor_new_for_display( gtk_widget_get_display(gui.drawarea), (GdkCursorType)id); gdk_window_set_cursor(gtk_widget_get_window(gui.drawarea), c); # if GTK_CHECK_VERSION(3,0,0) g_object_unref(G_OBJECT(c)); # else gdk_cursor_destroy(c); // Unref, actually. Bloody GTK+ 1. # endif } if (shape != MSHAPE_HIDE) last_shape = shape; } #endif // FEAT_MOUSESHAPE #if defined(FEAT_SIGN_ICONS) || defined(PROTO) /* * Signs are currently always 2 chars wide. With GTK+ 2, the image will be * scaled down if the current font is not big enough, or scaled up if the image * size is less than 3/4 of the maximum sign size. With GTK+ 1, the pixmap * will be cut off if the current font is not big enough, or centered if it's * too small. */ # define SIGN_WIDTH (2 * gui.char_width) # define SIGN_HEIGHT (gui.char_height) # define SIGN_ASPECT ((double)SIGN_HEIGHT / (double)SIGN_WIDTH) void gui_mch_drawsign(int row, int col, int typenr) { GdkPixbuf *sign; sign = (GdkPixbuf *)sign_get_image(typenr); if (sign != NULL && gui.drawarea != NULL && gtk_widget_get_window(gui.drawarea) != NULL) { int width; int height; int xoffset; int yoffset; int need_scale; width = gdk_pixbuf_get_width(sign); height = gdk_pixbuf_get_height(sign); /* * Decide whether we need to scale. Allow one pixel of border * width to be cut off, in order to avoid excessive scaling for * tiny differences in font size. * Do scale to fit the height to avoid gaps because of linespacing. */ need_scale = (width > SIGN_WIDTH + 2 || height != SIGN_HEIGHT || (width < 3 * SIGN_WIDTH / 4 && height < 3 * SIGN_HEIGHT / 4)); if (need_scale) { double aspect; int w = width; int h = height; // Keep the original aspect ratio aspect = (double)height / (double)width; width = (double)SIGN_WIDTH * SIGN_ASPECT / aspect; width = MIN(width, SIGN_WIDTH); if (((double)(MAX(height, SIGN_HEIGHT)) / (double)(MIN(height, SIGN_HEIGHT))) < 1.15) { // Change the aspect ratio by at most 15% to fill the // available space completely. height = (double)SIGN_HEIGHT * SIGN_ASPECT / aspect; height = MIN(height, SIGN_HEIGHT); } else height = (double)width * aspect; if (w == width && h == height) { // no change in dimensions; don't decrease reference counter // (below) need_scale = FALSE; } else { // This doesn't seem to be worth caching, and doing so would // complicate the code quite a bit. sign = gdk_pixbuf_scale_simple(sign, width, height, GDK_INTERP_BILINEAR); if (sign == NULL) return; // out of memory } } // The origin is the upper-left corner of the pixmap. Therefore // these offset may become negative if the pixmap is smaller than // the 2x1 cells reserved for the sign icon. xoffset = (width - SIGN_WIDTH) / 2; yoffset = (height - SIGN_HEIGHT) / 2; # if GTK_CHECK_VERSION(3,0,0) { cairo_t *cr; cairo_surface_t *bg_surf; cairo_t *bg_cr; cairo_surface_t *sign_surf; cairo_t *sign_cr; cr = cairo_create(gui.surface); bg_surf = cairo_surface_create_similar(gui.surface, cairo_surface_get_content(gui.surface), SIGN_WIDTH, SIGN_HEIGHT); bg_cr = cairo_create(bg_surf); cairo_set_source_rgba(bg_cr, gui.bgcolor->red, gui.bgcolor->green, gui.bgcolor->blue, gui.bgcolor->alpha); cairo_paint(bg_cr); sign_surf = cairo_surface_create_similar(gui.surface, cairo_surface_get_content(gui.surface), SIGN_WIDTH, SIGN_HEIGHT); sign_cr = cairo_create(sign_surf); gdk_cairo_set_source_pixbuf(sign_cr, sign, -xoffset, -yoffset); cairo_paint(sign_cr); cairo_set_operator(sign_cr, CAIRO_OPERATOR_DEST_OVER); cairo_set_source_surface(sign_cr, bg_surf, 0, 0); cairo_paint(sign_cr); cairo_set_source_surface(cr, sign_surf, FILL_X(col), FILL_Y(row)); cairo_paint(cr); cairo_destroy(sign_cr); cairo_surface_destroy(sign_surf); cairo_destroy(bg_cr); cairo_surface_destroy(bg_surf); cairo_destroy(cr); if (!gui.by_signal) gtk_widget_queue_draw_area(gui.drawarea, FILL_X(col), FILL_Y(col), width, height); } # else // !GTK_CHECK_VERSION(3,0,0) gdk_gc_set_foreground(gui.text_gc, gui.bgcolor); gdk_draw_rectangle(gui.drawarea->window, gui.text_gc, TRUE, FILL_X(col), FILL_Y(row), SIGN_WIDTH, SIGN_HEIGHT); gdk_pixbuf_render_to_drawable_alpha(sign, gui.drawarea->window, MAX(0, xoffset), MAX(0, yoffset), FILL_X(col) - MIN(0, xoffset), FILL_Y(row) - MIN(0, yoffset), MIN(width, SIGN_WIDTH), MIN(height, SIGN_HEIGHT), GDK_PIXBUF_ALPHA_BILEVEL, 127, GDK_RGB_DITHER_NORMAL, 0, 0); # endif // !GTK_CHECK_VERSION(3,0,0) if (need_scale) g_object_unref(sign); } } void * gui_mch_register_sign(char_u *signfile) { if (signfile[0] != NUL && signfile[0] != '-' && gui.in_use) { GdkPixbuf *sign; GError *error = NULL; char_u *message; sign = gdk_pixbuf_new_from_file((const char *)signfile, &error); if (error == NULL) return sign; message = (char_u *)error->message; if (message != NULL && input_conv.vc_type != CONV_NONE) message = string_convert(&input_conv, message, NULL); if (message != NULL) { // The error message is already translated and will be more // descriptive than anything we could possibly do ourselves. semsg("E255: %s", message); if (input_conv.vc_type != CONV_NONE) vim_free(message); } g_error_free(error); } return NULL; } void gui_mch_destroy_sign(void *sign) { if (sign != NULL) g_object_unref(sign); } #endif // FEAT_SIGN_ICONS