Mercurial > vim
view src/gui_gtk_x11.c @ 3549:f52d2ea0f81c v7.3.535
updated for version 7.3.535
Problem: Many #ifdefs for MB_MAXBYTES.
Solution: Also define MB_MAXBYTES without the +multi_byte feature. Fix
places where the buffer didn't include space for a NUL byte.
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Fri, 01 Jun 2012 15:21:02 +0200 |
parents | 7bafe52b6245 |
children | 9a1a4c486e6b |
line wrap: on
line source
/* vi:set ts=8 sts=4 sw=4: * * 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> */ #include "vim.h" #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 # include <gdk/gdkkeysyms.h> # include <gdk/gdk.h> # ifdef WIN3264 # 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. */ #ifdef HAVE_GTK_MULTIHEAD # define GET_X_ATOM(atom) gdk_x11_atom_to_xatom_for_display( \ gtk_widget_get_display(gui.mainwin), atom) #else # define GET_X_ATOM(atom) ((Atom)(atom)) #endif /* 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)) /* * 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(FEAT_GUI_GNOME) && defined(FEAT_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(FEAT_GUI_GNOME) && defined(FEAT_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 = (char **)alloc((unsigned)((*argc + 1) * sizeof(char *))); 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! */ if (option->flags & ARG_NEEDS_GUI) 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() { vim_free(gui_argv); #if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION) vim_free(abs_restart_command); #endif } #endif /* * 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; } /* * Redraw the corresponding portions of the screen. */ 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; } #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_XWINDOW(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(widget->window), &xev); } return FALSE; } #endif /**************************************************************************** * 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; void gui_mch_set_blinking(long waittime, long on, long off) { blink_waittime = waittime; blink_ontime = on; blink_offtime = off; } /* * Stop the cursor blinking. Show the cursor if it wasn't shown. */ void gui_mch_stop_blink(void) { if (blink_timer) { gtk_timeout_remove(blink_timer); blink_timer = 0; } if (blink_state == BLINK_OFF) gui_update_cursor(TRUE, FALSE); blink_state = BLINK_NONE; } static gint blink_cb(gpointer data UNUSED) { if (blink_state == BLINK_ON) { gui_undraw_cursor(); blink_state = BLINK_OFF; blink_timer = gtk_timeout_add((guint32)blink_offtime, (GtkFunction) blink_cb, NULL); } else { gui_update_cursor(TRUE, FALSE); blink_state = BLINK_ON; blink_timer = gtk_timeout_add((guint32)blink_ontime, (GtkFunction) blink_cb, NULL); } 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) gtk_timeout_remove(blink_timer); /* Only switch blinking on if none of the times is zero */ if (blink_waittime && blink_ontime && blink_offtime && gui.in_focus) { blink_timer = gtk_timeout_add((guint32)blink_waittime, (GtkFunction) blink_cb, NULL); blink_state = BLINK_ON; gui_update_cursor(TRUE, FALSE); } } 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(); 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(); 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. * * This function is used in the GTK+ 2 GUI only. The GTK+ 1 code makes use * of GdkEventKey::string instead. But 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, unsigned int state, char_u *string) { int len; guint32 uc; uc = gdk_keyval_to_unicode(keyval); if (uc != 0) { /* Check for CTRL-foo */ if ((state & GDK_CONTROL_MASK) && uc >= 0x20 && uc < 0x80) { /* These mappings look arbitrary at the first glance, but in fact * resemble quite exactly the behaviour of the GTK+ 1.2 GUI on my * machine. The only difference is BS vs. DEL for CTRL-8 (makes * more sense and is consistent with usual terminal behaviour). */ if (uc >= '@') string[0] = uc & 0x1F; else if (uc == '2') string[0] = NUL; else if (uc >= '3' && uc <= '7') string[0] = uc ^ 0x28; else if (uc == '8') string[0] = BS; else if (uc == '?') string[0] = DEL; else string[0] = uc; len = 1; } else { /* 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; 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 FEAT_HANGULIN if (key_sym == GDK_space && (state & GDK_SHIFT_MASK)) { hangul_input_state_toggle(); 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, state, 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 /* Check for Alt/Meta key (Mod1Mask), but not for a BS, DEL or character * that already has the 8th bit set. * Don't do this for <S-M-Tab>, that should become K_S_TAB with ALT. * Don't do this for double-byte encodings, it turns the char into a lead * byte. */ if (len == 1 && ((state & GDK_MOD1_MASK) #if GTK_CHECK_VERSION(2,10,0) || (state & GDK_SUPER_MASK) #endif ) && !(key_sym == GDK_BackSpace || key_sym == GDK_Delete) && (string[0] & 0x80) == 0 && !(key_sym == GDK_Tab && (state & GDK_SHIFT_MASK)) && !enc_dbcs ) { string[0] |= 0x80; state &= ~GDK_MOD1_MASK; /* don't use it again */ if (enc_utf8) /* convert to utf-8 */ { string[1] = string[0] & 0xbf; string[0] = ((unsigned)string[0] >> 6) + 0xc0; if (string[1] == CSI) { string[2] = KS_EXTRA; string[3] = (int)KE_CSI; len = 4; } else len = 2; } } /* 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; /* Special keys (and a few others) may have modifiers. Also when using a * double-byte encoding (can't set the 8th bit). */ if (len == -3 || key_sym == GDK_space || key_sym == GDK_Tab || key_sym == GDK_Return || key_sym == GDK_Linefeed || key_sym == GDK_Escape || key_sym == GDK_KP_Tab || key_sym == GDK_ISO_Enter || key_sym == GDK_3270_Enter || (enc_dbcs && len == 1 && ((state & GDK_MOD1_MASK) #if GTK_CHECK_VERSION(2,10,0) || (state & GDK_SUPER_MASK) #endif ))) { modifiers = modifiers_gdk2vim(state); /* * For some keys a shift modifier is translated into another key * code. */ if (len == -3) key = TO_SPECIAL(string[1], string[2]); else key = string[0]; 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 { string[0] = key; len = 1; } if (modifiers != 0) { string2[0] = CSI; string2[1] = KS_MODIFIER; string2[2] = modifiers; add_to_input_buf(string2, 3); } } if (len == 1 && ((string[0] == Ctrl_C && ctrl_c_interrupts) || (string[0] == intr_char && intr_char != Ctrl_C))) { trash_input_buf(); got_int = TRUE; } 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) static gboolean key_release_event(GtkWidget *widget UNUSED, GdkEventKey *event, gpointer data UNUSED) { 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); } #endif /**************************************************************************** * Selection handlers: */ static gint selection_clear_event(GtkWidget *widget UNUSED, GdkEventSelection *event, gpointer user_data UNUSED) { if (event->selection == clip_plus.gtk_sel_atom) clip_lose_selection(&clip_plus); else clip_lose_selection(&clip_star); 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) { VimClipboard *cbd; char_u *text; char_u *tmpbuf = NULL; guchar *tmpbuf_utf8 = NULL; int len; int motion_type = MAUTO; if (data->selection == clip_plus.gtk_sel_atom) cbd = &clip_plus; else cbd = &clip_star; text = (char_u *)data->data; len = data->length; if (text == NULL || len <= 0) { received_selection = RS_FAIL; /* clip_free_selection(cbd); ??? */ return; } if (data->type == vim_atom) { motion_type = *text++; --len; } else if (data->type == 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 traiing 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; VimClipboard *cbd; if (selection_data->selection == 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((unsigned)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); tmpbuf[0] = 0xff; tmpbuf[1] = 0xfe; mch_memmove(tmpbuf + 2, string, (size_t)length); vim_free(string); string = tmpbuf; length += 2; selection_data->type = selection_data->target; selection_data->format = 16; /* 16 bits per char */ 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((unsigned)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) { selection_data->type = selection_data->target; selection_data->format = 8; /* 8 bits per char */ 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(void) { 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; 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 FEAT_GUI_GNOME if (gtk_socket_id == 0) using_gnome = 1; #endif /* 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 gint 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 gint motion_repeat_timer_cb(gpointer); static void process_motion_notify(int x, int y, GdkModifierType state) { int button; int_u vim_modifiers; 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. */ if (x < 0 || y < 0 || x >= gui.drawarea->allocation.width || y >= gui.drawarea->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 - gui.drawarea->allocation.width; dy = y < 0 ? -y : y - gui.drawarea->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 = gtk_timeout_add((guint32)delay, motion_repeat_timer_cb, NULL); } } /* * Timer used to recognize multiple clicks of the mouse button. */ static gint motion_repeat_timer_cb(gpointer data UNUSED) { int x; int y; GdkModifierType state; gdk_window_get_pointer(gui.drawarea->window, &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; gdk_window_get_pointer(widget->window, &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) { gtk_timeout_remove(mouse_click_timer); mouse_click_timer = 0; repeated_click = TRUE; } mouse_timed_out = FALSE; mouse_click_timer = gtk_timeout_add((guint32)p_mouset, mouse_click_timer_cb, &mouse_timed_out); switch (event->button) { case 1: button = MOUSE_LEFT; break; case 2: button = MOUSE_MIDDLE; break; case 3: button = MOUSE_RIGHT; 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) { gtk_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 = (char_u *)alloc(len + 1)) != NULL) { n = count_and_decode_uri_list(tmp, data, len); if (n > 0 && (array = (char_u **)alloc(n * sizeof(char_u *))) != 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, data->data, data->length); 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 = data->data; len = data->length; if (data->type == 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 */ 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. */ gdk_window_get_pointer(widget->window, 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(FEAT_GUI_GNOME) && defined(FEAT_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); 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); } /* * Generate a script that can be used to restore the current editing session. * Save the value of v:this_session before running :mksession in order to make * automagic session save fully transparent. Return TRUE on success. */ static int write_session_file(char_u *filename) { char_u *escaped_filename; char *mksession_cmdline; unsigned int save_ssop_flags; int failed; /* * Build an ex command line to create a script that restores the current * session if executed. Escape the filename to avoid nasty surprises. */ escaped_filename = vim_strsave_escaped(filename, escape_chars); if (escaped_filename == NULL) return FALSE; mksession_cmdline = g_strconcat("mksession ", (char *)escaped_filename, NULL); vim_free(escaped_filename); /* * Use a reasonable hardcoded set of 'sessionoptions' flags to avoid * unpredictable effects when the session is saved automatically. Also, * we definitely need SSOP_GLOBALS to be able to restore v:this_session. * Don't use SSOP_BUFFERS to prevent the buffer list from becoming * enormously large if the GNOME session feature is used regularly. */ save_ssop_flags = ssop_flags; ssop_flags = (SSOP_BLANK|SSOP_CURDIR|SSOP_FOLDS|SSOP_GLOBALS |SSOP_HELP|SSOP_OPTIONS|SSOP_WINSIZE|SSOP_TABPAGES); do_cmdline_cmd((char_u *)"let Save_VV_this_session = v:this_session"); failed = (do_cmdline_cmd((char_u *)mksession_cmdline) == FAIL); do_cmdline_cmd((char_u *)"let v:this_session = Save_VV_this_session"); do_unlet((char_u *)"Save_VV_this_session", TRUE); ssop_flags = save_ssop_flags; g_free(mksession_cmdline); /* * Reopen the file and append a command to restore v:this_session, * as if this save never happened. This is to avoid conflicts with * the user's own sessions. FIXME: It's probably less hackish to add * a "stealth" flag to 'sessionoptions' -- gotta ask Bram. */ if (!failed) { FILE *fd; fd = open_exfile(filename, TRUE, APPENDBIN); failed = (fd == NULL || put_line(fd, "let v:this_session = Save_VV_this_session") == FAIL || put_line(fd, "unlet Save_VV_this_session") == FAIL); if (fd != NULL && fclose(fd) != 0) failed = TRUE; if (failed) mch_remove(filename); } return !failed; } /* * "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 /* !(FEAT_GUI_GNOME && FEAT_SESSION) */ # ifdef USE_XSMP /* * GTK tells us that XSMP needs attention */ static gboolean local_xsmp_handle_requests(source, condition, data) 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); } else #endif { /* Fall back to old method */ /* first get the existing value */ if (XGetWMProtocols(GDK_WINDOW_XDISPLAY(gui.mainwin->window), GDK_WINDOW_XWINDOW(gui.mainwin->window), &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 = (Atom *)alloc((unsigned)((count + 1) * sizeof(Atom))); if (new_atoms != NULL) { memcpy(new_atoms, existing_atoms, count * sizeof(Atom)); new_atoms[count] = save_yourself_xatom; XSetWMProtocols(GDK_WINDOW_XDISPLAY(gui.mainwin->window), GDK_WINDOW_XWINDOW(gui.mainwin->window), 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(gui.mainwin->window), GDK_WINDOW_XWINDOW(gui.mainwin->window), NULL, 0); return GDK_FILTER_REMOVE; } return GDK_FILTER_CONTINUE; } #endif /* !(FEAT_GUI_GNOME && FEAT_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 /* When started with "--echo-wid" argument, write window ID on stdout. */ if (echo_wid_arg) { printf("WID: %ld\n", (long)GDK_WINDOW_XWINDOW(gui.mainwin->window)); 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); g_list_foreach(icons, (GFunc)&g_object_unref, NULL); g_list_free(icons); } #if !(defined(FEAT_GUI_GNOME) && defined(FEAT_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(FEAT_GUI_GNOME) && defined(FEAT_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_XWINDOW(gui.mainwin->window); (void)serverRegisterName(GDK_WINDOW_XDISPLAY(gui.mainwin->window), 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(gui.mainwin->window), GDK_WINDOW_XWINDOW(gui.mainwin->window)); } gtk_widget_add_events(gui.mainwin, GDK_PROPERTY_CHANGE_MASK); gtk_signal_connect(GTK_OBJECT(gui.mainwin), "property_notify_event", GTK_SIGNAL_FUNC(property_event), NULL); #endif } static GdkCursor * create_blank_pointer(void) { GdkWindow *root_window = NULL; GdkPixmap *blank_mask; GdkCursor *cursor; GdkColor color = { 0, 0, 0, 0 }; char blank_data[] = { 0x0 }; #ifdef HAVE_GTK_MULTIHEAD 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. */ 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); return cursor; } #ifdef HAVE_GTK_MULTIHEAD 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) gdk_cursor_unref(gui.blank_pointer); gui.blank_pointer = create_blank_pointer(); if (gui.pointer_hidden && gui.drawarea->window != NULL) gdk_window_set_cursor(gui.drawarea->window, 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(FALSE, FALSE, RESIZE_BOTH); } } #endif /* HAVE_GTK_MULTIHEAD */ /* * 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; #ifdef FEAT_XIM xim_init(); #endif gui_mch_new_colors(); gui.text_gc = gdk_gc_new(gui.drawarea->window); gui.blank_pointer = create_blank_pointer(); if (gui.pointer_hidden) gdk_window_set_cursor(widget->window, 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; if (sbar && GTK_WIDGET_REALIZED(sbar) && sbar->allocation.width) gui.scrollbar_width = sbar->allocation.width; sbar = gui.bottom_sbar.id; if (sbar && GTK_WIDGET_REALIZED(sbar) && sbar->allocation.height) gui.scrollbar_height = sbar->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; g_object_unref(gui.text_gc); gui.text_gc = NULL; gdk_cursor_unref(gui.blank_pointer); gui.blank_pointer = NULL; } static void drawarea_style_set_cb(GtkWidget *widget UNUSED, GtkStyle *previous_style UNUSED, gpointer data UNUSED) { gui_mch_new_colors(); } /* * 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) { GtkOrientation item_orientation = GTK_ORIENTATION_HORIZONTAL; #ifdef FEAT_GUI_GNOME 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); } } #endif if (widget != NULL && item_orientation == orientation && GTK_WIDGET_REALIZED(widget) && GTK_WIDGET_VISIBLE(widget)) { if (orientation == GTK_ORIENTATION_HORIZONTAL) return widget->allocation.height; else return widget->allocation.width; } 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; } } #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; /* 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); } } 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); gtk_toolbar_set_tooltips(toolbar, (toolbar_flags & TOOLBAR_TOOLTIPS) != 0); 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; 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; static GtkTooltips *tabline_tooltip; 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); gtk_signal_connect(GTK_OBJECT(item), "activate", GTK_SIGNAL_FUNC(tabline_menu_handler), (gpointer)(long)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"), 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 = gdk_window_at_pointer(&x, &y); gdk_window_get_user_data(tabwin, (gpointer)&tabwidget); clicked_page = (int)(long)gtk_object_get_user_data( GTK_OBJECT(tabwidget)); /* If the event was generated for 3rd button popup the menu. */ if (bevent->button == 3) { gtk_menu_popup(GTK_MENU(widget), NULL, NULL, NULL, NULL, bevent->button, bevent->time); /* 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, GtkNotebookPage *page UNUSED, gint idx, gpointer data UNUSED) { if (!ignore_tabline_evt) { send_tabline_event(idx + 1); } } /* * 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_UNSET_FLAGS(GTK_WIDGET(gui.tabline), GTK_CAN_FOCUS); } 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 */ page = gtk_vbox_new(FALSE, 0); gtk_widget_show(page); event_box = gtk_event_box_new(); gtk_widget_show(event_box); label = gtk_label_new("-Empty-"); gtk_misc_set_padding(GTK_MISC(label), 2, 2); gtk_container_add(GTK_CONTAINER(event_box), label); gtk_widget_show(label); gtk_notebook_insert_page(GTK_NOTEBOOK(gui.tabline), page, event_box, nr++); } event_box = gtk_notebook_get_tab_label(GTK_NOTEBOOK(gui.tabline), page); gtk_object_set_user_data(GTK_OBJECT(event_box), (gpointer)(long)tab_num); label = GTK_BIN(event_box)->child; 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); gtk_tooltips_set_tip(GTK_TOOLTIPS(tabline_tooltip), event_box, (const char *)labeltext, NULL); 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_current_page(GTK_NOTEBOOK(gui.tabline)) != curtabidx) gtk_notebook_set_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(nr) int nr; { if (gui.tabline == NULL) return; ignore_tabline_evt = TRUE; if (gtk_notebook_current_page(GTK_NOTEBOOK(gui.tabline)) != nr - 1) gtk_notebook_set_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); #endif vim_free(gui_argv); gui_argv = NULL; #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 0 gtk_rc_parse("gtkrc"); #endif /* Initialize values */ gui.border_width = 2; gui.scrollbar_width = SB_DEFAULT_WIDTH; gui.scrollbar_height = SB_DEFAULT_WIDTH; /* 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); /* 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. */ #ifdef HAVE_GTK_MULTIHEAD plug = gtk_plug_new_for_display(gdk_display_get_default(), gtk_socket_id); #else plug = gtk_plug_new(gtk_socket_id); #endif if (plug != NULL && GTK_PLUG(plug)->socket_window != 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_border_width(GTK_CONTAINER(gui.mainwin), 0); gtk_widget_add_events(gui.mainwin, GDK_VISIBILITY_NOTIFY_MASK); gtk_signal_connect(GTK_OBJECT(gui.mainwin), "delete_event", GTK_SIGNAL_FUNC(&delete_event_cb), NULL); gtk_signal_connect(GTK_OBJECT(gui.mainwin), "realize", GTK_SIGNAL_FUNC(&mainwin_realize), NULL); #ifdef HAVE_GTK_MULTIHEAD g_signal_connect(G_OBJECT(gui.mainwin), "screen_changed", G_CALLBACK(&mainwin_screen_changed_cb), NULL); #endif 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. */ vbox = gtk_vbox_new(FALSE, 0); #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 */ 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"); 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); gtk_notebook_set_tab_border(GTK_NOTEBOOK(gui.tabline), FALSE); tabline_tooltip = gtk_tooltips_new(); gtk_tooltips_enable(GTK_TOOLTIPS(tabline_tooltip)); { GtkWidget *page, *label, *event_box; /* Add the first tab. */ page = gtk_vbox_new(FALSE, 0); 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); gtk_object_set_user_data(GTK_OBJECT(event_box), (gpointer)1L); gtk_misc_set_padding(GTK_MISC(label), 2, 2); gtk_container_add(GTK_CONTAINER(event_box), label); gtk_notebook_set_tab_label(GTK_NOTEBOOK(gui.tabline), page, event_box); } gtk_signal_connect(GTK_OBJECT(gui.tabline), "switch_page", GTK_SIGNAL_FUNC(on_select_tab), NULL); /* Create a popup menu for the tab line and connect it. */ tabline_menu = create_tabline_menu(); gtk_signal_connect_object(GTK_OBJECT(gui.tabline), "button_press_event", GTK_SIGNAL_FUNC(on_tabline_menu), GTK_OBJECT(tabline_menu)); #endif gui.formwin = gtk_form_new(); gtk_container_border_width(GTK_CONTAINER(gui.formwin), 0); gtk_widget_set_events(gui.formwin, GDK_EXPOSURE_MASK); gui.drawarea = gtk_drawing_area_new(); /* 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. */ gtk_signal_connect((gtk_socket_id == 0) ? GTK_OBJECT(gui.mainwin) : GTK_OBJECT(gui.drawarea), "key_press_event", GTK_SIGNAL_FUNC(key_press_event), NULL); #if defined(FEAT_XIM) /* 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 gtk_signal_connect(GTK_OBJECT(gui.drawarea), "realize", GTK_SIGNAL_FUNC(drawarea_realize_cb), NULL); gtk_signal_connect(GTK_OBJECT(gui.drawarea), "unrealize", GTK_SIGNAL_FUNC(drawarea_unrealize_cb), NULL); gtk_signal_connect_after(GTK_OBJECT(gui.drawarea), "style_set", GTK_SIGNAL_FUNC(&drawarea_style_set_cb), NULL); gui.visibility = GDK_VISIBILITY_UNOBSCURED; #if !(defined(FEAT_GUI_GNOME) && defined(FEAT_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_FLAGS(gui.drawarea, GTK_CAN_FOCUS); /* * 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; 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); /* * Only install these enter/leave callbacks when 'p' in 'guioptions'. * Only needed for some window managers. */ if (vim_strchr(p_go, GO_POINTER) != NULL) { gtk_signal_connect(GTK_OBJECT(gui.drawarea), "leave_notify_event", GTK_SIGNAL_FUNC(leave_notify_event), NULL); gtk_signal_connect(GTK_OBJECT(gui.drawarea), "enter_notify_event", GTK_SIGNAL_FUNC(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) { gtk_signal_connect(GTK_OBJECT(gui.mainwin), "focus_out_event", GTK_SIGNAL_FUNC(focus_out_event), NULL); gtk_signal_connect(GTK_OBJECT(gui.mainwin), "focus_in_event", GTK_SIGNAL_FUNC(focus_in_event), NULL); } else { gtk_signal_connect(GTK_OBJECT(gui.drawarea), "focus_out_event", GTK_SIGNAL_FUNC(focus_out_event), NULL); gtk_signal_connect(GTK_OBJECT(gui.drawarea), "focus_in_event", GTK_SIGNAL_FUNC(focus_in_event), NULL); #ifdef FEAT_GUI_TABLINE gtk_signal_connect(GTK_OBJECT(gui.tabline), "focus_out_event", GTK_SIGNAL_FUNC(focus_out_event), NULL); gtk_signal_connect(GTK_OBJECT(gui.tabline), "focus_in_event", GTK_SIGNAL_FUNC(focus_in_event), NULL); #endif /* FEAT_GUI_TABLINE */ } gtk_signal_connect(GTK_OBJECT(gui.drawarea), "motion_notify_event", GTK_SIGNAL_FUNC(motion_notify_event), NULL); gtk_signal_connect(GTK_OBJECT(gui.drawarea), "button_press_event", GTK_SIGNAL_FUNC(button_press_event), NULL); gtk_signal_connect(GTK_OBJECT(gui.drawarea), "button_release_event", GTK_SIGNAL_FUNC(button_release_event), NULL); g_signal_connect(G_OBJECT(gui.drawarea), "scroll_event", G_CALLBACK(&scroll_event), NULL); /* * Add selection handler functions. */ gtk_signal_connect(GTK_OBJECT(gui.drawarea), "selection_clear_event", GTK_SIGNAL_FUNC(selection_clear_event), NULL); gtk_signal_connect(GTK_OBJECT(gui.drawarea), "selection_received", GTK_SIGNAL_FUNC(selection_received_cb), NULL); gui_gtk_set_selection_targets(); gtk_signal_connect(GTK_OBJECT(gui.drawarea), "selection_get", GTK_SIGNAL_FUNC(selection_get_cb), NULL); /* Pretend we don't have input focus, we will get an event if we do. */ gui.in_focus = FALSE; return OK; } #if (defined(FEAT_GUI_GNOME) && defined(FEAT_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 /* FEAT_GUI_GNOME && FEAT_SESSION */ /* * 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 && gui.drawarea->window != NULL) { GdkColor color = { 0, 0, 0, 0 }; color.pixel = gui.back_pixel; gdk_window_set_background(gui.drawarea->window, &color); } } /* * 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; /* 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(GtkObject *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(); } } /* * 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 *it's* 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 hinst (done by * scrollbar init.), actually do the standard hinst and stop the timer. * We'll not let the default hints be set while this timer's active. */ static gboolean 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; } 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_free(gui.geom); gui.geom = NULL; /* 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; g_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 */ gtk_signal_connect(GTK_OBJECT(gui.mainwin), "destroy", GTK_SIGNAL_FUNC(mainwin_destroy_cb), NULL); #ifdef FEAT_HANGULIN hangul_keyboard_set(); #endif /* * 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. */ gtk_signal_connect(GTK_OBJECT(gui.formwin), "configure_event", GTK_SIGNAL_FUNC(form_configure_event), NULL); #ifdef FEAT_DND /* Set up for receiving DND items. */ gui_gtk_set_dnd_targets(); gtk_signal_connect(GTK_OBJECT(gui.drawarea), "drag_data_received", GTK_SIGNAL_FUNC(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 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 /* * Return TRUE if the main window is maximized. */ int gui_mch_maximized() { return (gui.mainwin != NULL && gui.mainwin->window != NULL && (gdk_window_get_state(gui.mainwin->window) & GDK_WINDOW_STATE_MAXIMIZED)); } /* * Unmaximize the main window */ void gui_mch_unmaximize() { if (gui.mainwin != NULL) gtk_window_unmaximize(GTK_WINDOW(gui.mainwin)); } /* * Called when the font changed while the window is maximized. Compute the * new Rows and Columns. This is like resizing the window. */ void gui_mch_newfont() { 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 0 if (!resize_idle_installed) { g_idle_add_full(GDK_PRIORITY_EVENTS + 10, &force_shell_resize_idle, NULL, NULL); resize_idle_installed = TRUE; } # endif /* * 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(); } /* * 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) { #ifdef HAVE_GTK_MULTIHEAD GdkScreen* screen; if (gui.mainwin != NULL && gtk_widget_has_screen(gui.mainwin)) screen = gtk_widget_get_screen(gui.mainwin); else screen = gdk_screen_get_default(); *screen_w = gdk_screen_get_width(screen); *screen_h = gdk_screen_get_height(screen) - p_ghr; #else *screen_w = gdk_screen_width(); /* Subtract 'guiheadroom' from the height to allow some room for the * window manager (task list and window title bar). */ *screen_h = gdk_screen_height() - p_ghr; #endif /* * 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_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_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; 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); gui.char_height = (ascent + descent + PANGO_SCALE - 1) / 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; } /* * 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; dialog = gtk_font_selection_dialog_new(NULL); 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; } } gtk_font_selection_dialog_set_font_name( GTK_FONT_SELECTION_DIALOG(dialog), (const char *)oldname); if (oldname != oldval) vim_free(oldname); } else gtk_font_selection_dialog_set_font_name( GTK_FONT_SELECTION_DIALOG(dialog), DEFAULT_FONT); response = gtk_dialog_run(GTK_DIALOG(dialog)); if (response == GTK_RESPONSE_OK) { char *name; name = gtk_font_selection_dialog_get_font_name( GTK_FONT_SELECTION_DIALOG(dialog)); 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[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. */ for (i = 0; i < 32; ++i) ascii_chars[i] = '?'; for (; i < 127; ++i) ascii_chars[i] = i; ascii_chars[i] = '?'; 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; } } g_list_foreach(item_list, (GFunc)&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) EMSG2(_((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. This routine was * pretty much taken from example code in the Silicon Graphics OSF/Motif * Programmer's Guide. * Return INVALCOLOR for error. */ guicolor_T gui_mch_get_color(char_u *name) { /* A number of colors that some X11 systems don't have */ static const char *const vimnames[][2] = { {"LightRed", "#FFBBBB"}, {"LightGreen", "#88FF88"}, {"LightMagenta","#FFBBFF"}, {"DarkCyan", "#008888"}, {"DarkBlue", "#0000BB"}, {"DarkRed", "#BB0000"}, {"DarkMagenta", "#BB00BB"}, {"DarkGrey", "#BBBBBB"}, {"DarkYellow", "#BBBB00"}, {"Gray10", "#1A1A1A"}, {"Grey10", "#1A1A1A"}, {"Gray20", "#333333"}, {"Grey20", "#333333"}, {"Gray30", "#4D4D4D"}, {"Grey30", "#4D4D4D"}, {"Gray40", "#666666"}, {"Grey40", "#666666"}, {"Gray50", "#7F7F7F"}, {"Grey50", "#7F7F7F"}, {"Gray60", "#999999"}, {"Grey60", "#999999"}, {"Gray70", "#B3B3B3"}, {"Grey70", "#B3B3B3"}, {"Gray80", "#CCCCCC"}, {"Grey80", "#CCCCCC"}, {"Gray90", "#E5E5E5"}, {"Grey90", "#E5E5E5"}, {NULL, NULL} }; if (!gui.in_use) /* can't do this when GUI not running */ return INVALCOLOR; while (name != NULL) { GdkColor color; int parsed; int i; parsed = gdk_color_parse((const char *)name, &color); if (parsed) { gdk_colormap_alloc_color(gtk_widget_get_colormap(gui.drawarea), &color, FALSE, TRUE); return (guicolor_T)color.pixel; } /* add a few builtin names and try again */ for (i = 0; ; ++i) { if (vimnames[i][0] == NULL) { name = NULL; break; } if (STRICMP(name, vimnames[i][0]) == 0) { name = (char_u *)vimnames[i][1]; break; } } } return INVALCOLOR; } /* * Set the current text foreground color. */ void gui_mch_set_fg_color(guicolor_T color) { gui.fgcolor->pixel = (unsigned long)color; } /* * Set the current text background color. */ void gui_mch_set_bg_color(guicolor_T color) { gui.bgcolor->pixel = (unsigned long)color; } /* * Set the current text special color. */ void gui_mch_set_sp_color(guicolor_T color) { gui.spcolor->pixel = (unsigned long)color; } /* * 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; } static void draw_glyph_string(int row, int col, int num_cells, int flags, PangoFont *font, PangoGlyphString *glyphs) { if (!(flags & DRAW_TRANSP)) { 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); } 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); /* redraw the contents with an offset of 1 to emulate bold */ if ((flags & DRAW_BOLD) && !gui.font_can_bold) gdk_draw_glyphs(gui.drawarea->window, gui.text_gc, font, TEXT_X(col) + 1, TEXT_Y(row), glyphs); } /* * Draw underline and undercurl at the bottom of the character cell. */ static void draw_under(int flags, int row, int col, int cells) { 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) { 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); } /* 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; gdk_draw_line(gui.drawarea->window, gui.text_gc, FILL_X(col), y, FILL_X(col + cells) - 1, y); } } 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 (gui.text_context == NULL || gui.drawarea->window == 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; gdk_gc_set_clip_origin(gui.text_gc, 0, 0); gdk_gc_set_clip_rectangle(gui.text_gc, &area); 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[s[i]]; glyphs->log_clusters[i] = i; } draw_glyph_string(row, col, len, flags, gui.ascii_font, glyphs); 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; pango_shape((const char *)s + item->offset, item->length, &item->analysis, glyphs); /* * 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! ***/ draw_glyph_string(row, col + column_offset, item_cells, flags, item->analysis.font, glyphs); pango_item_free(item); column_offset += item_cells; } pango_attr_list_unref(attr_list); } skipitall: /* Draw underline and undercurl. */ draw_under(flags, row, col, column_offset); pango_glyph_string_free(glyphs); vim_free(conv_buf); gdk_gc_set_clip_rectangle(gui.text_gc, NULL); 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(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 && gui.mainwin->window != NULL) { *dis = GDK_WINDOW_XDISPLAY(gui.mainwin->window); *win = GDK_WINDOW_XWINDOW(gui.mainwin->window); 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 && gui.mainwin->window != NULL) return GDK_WINDOW_XDISPLAY(gui.mainwin->window); else return NULL; } #endif void gui_mch_beep(void) { #ifdef HAVE_GTK_MULTIHEAD GdkDisplay *display; if (gui.mainwin != NULL && GTK_WIDGET_REALIZED(gui.mainwin)) display = gtk_widget_get_display(gui.mainwin); else display = gdk_display_get_default(); if (display != NULL) gdk_display_beep(display); #else gdk_beep(); #endif } void gui_mch_flash(int msec) { 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); } /* * 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) { 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); } /* * 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 (gui.drawarea->window == NULL) return; gui_mch_set_fg_color(color); gdk_gc_set_foreground(gui.text_gc, gui.fgcolor); if (mb_lefthalve(gui.row, gui.col)) i = 2; 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); } /* * 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 (gui.drawarea->window == NULL) return; gui_mch_set_fg_color(color); 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); } /* * 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 gint 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_SNIFF /* * Callback function, used when data is available on the SNiFF connection. */ static void sniff_request_cb( gpointer data, gint source_fd, GdkInputCondition condition) { static char_u bytes[3] = {CSI, (int)KS_EXTRA, (int)KE_SNIFF}; add_to_input_buf(bytes, 3); } #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; #ifdef FEAT_SNIFF static int sniff_on = 0; static gint sniff_input_id = 0; #endif #ifdef FEAT_SNIFF if (sniff_on && !want_sniff_request) { if (sniff_input_id) gdk_input_remove(sniff_input_id); sniff_on = 0; } else if (!sniff_on && want_sniff_request) { /* Add fd_from_sniff to watch for available data in main loop. */ sniff_input_id = gdk_input_add(fd_from_sniff, GDK_INPUT_READ, sniff_request_cb, NULL); sniff_on = 1; } #endif timed_out = FALSE; /* this timeout makes sure that we will return if no characters arrived in * time */ if (wtime > 0) timer = gtk_timeout_add((guint32)wtime, input_timer_cb, &timed_out); else timer = 0; 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(); focus = gui.in_focus; } #if defined(FEAT_NETBEANS_INTG) /* Process any queued netbeans messages. */ netbeans_parse_messages(); #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()) { if (timer != 0 && !timed_out) gtk_timeout_remove(timer); return OK; } } while (wtime < 0 || !timed_out); /* * Flush all eventually pending (drawing) events. */ gui_mch_update(); return FAIL; } /**************************************************************************** * Output drawing routines. ****************************************************************************/ /* Flush any output to the screen */ void gui_mch_flush(void) { #ifdef HAVE_GTK_MULTIHEAD if (gui.mainwin != NULL && GTK_WIDGET_REALIZED(gui.mainwin)) gdk_display_sync(gtk_widget_get_display(gui.mainwin)); #else gdk_flush(); /* historical misnomer: calls XSync(), not XFlush() */ #endif /* This happens to actually do what gui_mch_flush() is supposed to do, * according to the comment above. */ if (gui.drawarea != NULL && gui.drawarea->window != NULL) gdk_window_process_updates(gui.drawarea->window, FALSE); } /* * Clear a rectangular region of the screen from text pos (row1, col1) to * (row2, col2) inclusive. */ void gui_mch_clear_block(int row1, int col1, int row2, int col2) { GdkColor color; if (gui.drawarea->window == NULL) return; color.pixel = gui.back_pixel; 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); } void gui_mch_clear_all(void) { if (gui.drawarea->window != NULL) gdk_window_clear(gui.drawarea->window); } /* * 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(); 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(); } /* * 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 (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(); } /* * 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 (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(); } /* * X Selection stuff, for cutting and pasting text to other windows. */ void clip_mch_request_selection(VimClipboard *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(gui.mainwin->window), cbd); } /* * Disown the selection. */ void clip_mch_lose_selection(VimClipboard *cbd UNUSED) { /* WEIRD: when using NULL to actually disown the selection, we lose the * selection the first time we own it. */ /* gtk_selection_owner_set(NULL, cbd->gtk_sel_atom, (guint32)GDK_CURRENT_TIME); gui_mch_update(); */ } /* * Own the selection and return OK if it worked. */ int clip_mch_own_selection(VimClipboard *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(VimClipboard *cbd UNUSED) { } #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_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_VISIBLE(menu->id)) { gtk_widget_hide(menu->id); gui_mch_update(); } } else { if (!GTK_WIDGET_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; if (flag) gtk_widget_show(sb->id); else gtk_widget_hide(sb->id); update_window_manager_hints(0, 0); } /* * Return the RGB value of a pixel as long. */ long_u gui_mch_get_rgb(guicolor_T pixel) { GdkColor color; gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), (unsigned long)pixel, &color); return (((unsigned)color.red & 0xff00) << 8) | ((unsigned)color.green & 0xff00) | (((unsigned)color.blue & 0xff00) >> 8); } /* * Get current mouse coordinates in text window. */ void gui_mch_getmouse(int *x, int *y) { gdk_window_get_pointer(gui.drawarea->window, 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(gui.drawarea->window), (Window)0, GDK_WINDOW_XWINDOW(gui.drawarea->window), 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 (gui.drawarea->window && gui.blank_pointer != NULL) { if (hide) gdk_window_set_cursor(gui.drawarea->window, gui.blank_pointer); else #ifdef FEAT_MOUSESHAPE mch_set_mouse_shape(last_shape); #else gdk_window_set_cursor(gui.drawarea->window, 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 (gui.drawarea->window == NULL) return; if (shape == MSHAPE_HIDE || gui.pointer_hidden) gdk_window_set_cursor(gui.drawarea->window, 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; # ifdef HAVE_GTK_MULTIHEAD c = gdk_cursor_new_for_display( gtk_widget_get_display(gui.drawarea), (GdkCursorType)id); # else c = gdk_cursor_new((GdkCursorType)id); # endif gdk_window_set_cursor(gui.drawarea->window, c); gdk_cursor_destroy(c); /* Unref, actually. Bloody GTK+ 1. */ } 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 && gui.drawarea->window != 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. */ need_scale = (width > SIGN_WIDTH + 2 || height > SIGN_HEIGHT + 2 || (width < 3 * SIGN_WIDTH / 4 && height < 3 * SIGN_HEIGHT / 4)); if (need_scale) { double aspect; /* Keep the original aspect ratio */ aspect = (double)height / (double)width; width = (double)SIGN_WIDTH * SIGN_ASPECT / aspect; width = MIN(width, SIGN_WIDTH); height = (double)width * aspect; /* 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; 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); 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. */ EMSG2("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 */