Mercurial > vim
view src/gui_riscos.c @ 422:169f2a51b527
updated for version 7.0110
| author | vimboss |
|---|---|
| date | Tue, 19 Jul 2005 22:17:30 +0000 |
| parents | 2463194c8cdd |
| children | d0d15b184c56 |
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/* 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. */ #include "vim.h" #include <string.h> /* * gui_riscos.c * * Thomas Leonard <tal197@ecs.soton.ac.uk> * Updated by Andy Wingate <andy@sparse.net> */ extern int time_of_last_poll; int task_handle = 0; /* Zero means we are not yet a Wimp task */ int child_handle = 0; /* Task handle of our child process (zero if none). */ int *wimp_menu = (int *) -1; /* Pointer to a Wimp menu structure (or -1) */ int save_window = -1; /* Save As window handle */ int *redraw_block = NULL; /* NULL means not in a redraw loop. */ int ro_return_early = FALSE; /* Break out of gui_mch_wait_for_chars() */ int leaf_ref = 0; /* Wimp message number - send via Wimp$Scrap */ char_u *leaf_name = NULL; /* Leaf name from DataSave */ int default_columns = 120; /* These values are used if the --rows and --columns */ int default_rows = 32; /* options aren't used on startup. */ #define DRAG_FALSE 0 #define DRAG_SELECTION 1 #define DRAG_RESIZE_WINDOW 2 int ro_dragging = DRAG_FALSE; int drag_button; int drag_modifiers; int drag_x_offset; int drag_y_offset; int nested_wimp = FALSE; /* Bool - can we use the new wimp? */ int changed_mode = FALSE; int x_eigen_factor; int y_eigen_factor; /* If ro_current_font is non-zero then use the outline font with that handle, * otherwise, if zap_redraw is TRUE then use ZapRedraw, otherwise use the * system font. * * If zap_redraw is TRUE then zap_file[] contains valid Zap font file * pointers (or NULLs). */ int ro_current_font = 0; /* 0 is system font, or ZapRedraw */ int font_x_offset = 0; /* Where to position each char in its box */ int font_y_offset = 0; int zap_redraw = FALSE; int double_height = FALSE; /* Plot each line twice? */ #define grgb(r,g,b) ((b<<16) + (g<<8) + (r)) #define UNUSED_COLOUR (gui.back_pixel) #define RO_LOAD_CLIPBOARD -2 /* Internal handle for DataSave message. */ /* Changes by John Kortink, 22-23 July 1998 * * Stuff to make redraw a lot faster. Almost all of it is right here below, * elsewhere changes are marked with 'JK230798'. Apart from a small change in * 'gui.c' all changes are limited to this file, 'gui_riscos.c'. The change in * 'gui.c' is to make Vim stop being 'smart' not redrawing characters that are * 'already there' (i.e. from the previous line, by coincidence). This caused a * lot more calls to the redraw code, which we want to avoid because a few nice * big strings at a time is a lot faster than a truckload of small ones. ('Dear * Bram ...'). */ /* The ZapRedraw structure */ static struct { int r_flags; int r_minx; int r_miny; int r_maxx; int r_maxy; int r_screen; int r_bpl; int r_bpp; int r_charw; int r_charh; char *r_caddr; int r_cbpl; int r_cbpc; int r_linesp; int r_data; int r_scrollx; int r_scrolly; int *r_palette; int r_for; int r_bac; char *r_workarea; int r_magx; int r_magy; int r_xsize; int r_ysize; int r_mode; } zap_redraw_block; /* Other globals */ static int zap_redraw_initialised = FALSE; static int zap_redraw_update_colours; static int zap_redraw_colours[2]; static int zap_redraw_palette[16]; /* Holds the current Zap font file(s). * The font is recreated from this block on a mode change. * When using zap, element ZAP_NORMAL is always valid, but * the others can be NULL. */ #define ZAP_NORMAL 0 #define ZAP_BOLD 1 #define ZAP_ITALIC 2 #define ZAP_BITALIC 3 #define ZAP_STYLES 4 /* Zap font file format data */ static char *zap_file[ZAP_STYLES] = {NULL, NULL, NULL, NULL}; /* r_caddr format for current mode */ static char *zap_caddr[ZAP_STYLES] = {NULL, NULL, NULL, NULL}; static void ro_remove_menu(int *menu); /* * Initialise all the ZapRedraw stuff. * Call this when changing font and after each mode change. * zap_redraw_bitmap must contain a valid Zap font file (possibly * created from the system font). * * Return FAIL to revert to system font (if we can't use ZapRedraw). */ int ro_zap_redraw_initialise() { int bytes_per_bitmap_char; int first, last; int i; /* Can't have initialisers for struct members :-(, ok, this way then ... */ if (!zap_redraw_initialised) { zap_redraw_block.r_workarea = NULL; zap_redraw_initialised = TRUE; } /* We redraw in DSA mode */ zap_redraw_block.r_flags = 0x0; /* Let ZapRedraw get the screen address for us */ zap_redraw_block.r_screen = 0; /* Read the font width and height from the font file header. * Assume that all styles are the same size. * ZAP_NORMAL is always present. */ zap_redraw_block.r_charw = ((int *) zap_file[ZAP_NORMAL])[2]; zap_redraw_block.r_charh = ((int *) zap_file[ZAP_NORMAL])[3]; /* We have no linespacing */ zap_redraw_block.r_linesp = 0; /* Fix foreground = colour 1 */ zap_redraw_block.r_for = 1; /* Fix background = colour 0 */ zap_redraw_block.r_bac = 0; /* Colour mask buffer */ zap_redraw_block.r_palette = zap_redraw_palette; /* Allocate local workspace (for the few calls following here) */ if (zap_redraw_block.r_workarea != NULL) free(zap_redraw_block.r_workarea); zap_redraw_block.r_workarea = (char*) malloc(128); if (!zap_redraw_block.r_workarea) return FAIL; /* Out of memory */ /* Fill in VDU variables */ if (xswi(ZapRedraw_ReadVduVars, 0, &zap_redraw_block) & v_flag) return FAIL; /* Can't find ZapRedraw module - use VDU instead */ /* Determine cbpl and cbpc */ swi(ZapRedraw_CachedCharSize, zap_redraw_block.r_bpp, 0, zap_redraw_block.r_charw, zap_redraw_block.r_charh); zap_redraw_block.r_cbpl = r2; zap_redraw_block.r_cbpc = r3; /* Allocate general workspace (for the calls outside) */ if (zap_redraw_block.r_workarea != NULL) free(zap_redraw_block.r_workarea); zap_redraw_block.r_workarea = (char*) malloc(128 + zap_redraw_block.r_cbpl); if (!zap_redraw_block.r_workarea) return FAIL; /* Out of memory */ /* Now convert the 1 bpp character data ready for the current mode */ bytes_per_bitmap_char = (zap_redraw_block.r_charw * zap_redraw_block.r_charh + 7) / 8; /* Convert the fonts from 1bpp to a format suitable for the * current mode. */ for (i = 0; i < ZAP_STYLES; i++) { first = ((int *) zap_file[i])[4]; last = ((int *) zap_file[i])[5]; if (last > 255) last = 255; /* Don't convert cursors (overwrites memory!) */ /* Allocate the font cache */ vim_free(zap_caddr[i]); if (zap_file[i]) zap_caddr[i] = (char*) malloc(zap_redraw_block.r_cbpc * 256); else zap_caddr[i] = NULL; /* No file for this style */ if (zap_caddr[i]) { zap_redraw_block.r_caddr = zap_caddr[i]; swi(ZapRedraw_ConvertBitmap, 0, &zap_redraw_block, first, last, /* Range of characters to convert */ zap_file[i] + 0x20 /* Addr of first char provided by font */ - first * bytes_per_bitmap_char); } } if (!zap_caddr[ZAP_NORMAL]) { zap_redraw = FALSE; /* Out of memory */ return FAIL; } /* Next time we need them, we have to update the colour masks */ zap_redraw_update_colours = TRUE; return OK; } /* * Redraw a string at OS coordinates <x,y> (top-left, x inclusive, y exclusive). * Graphics clip window is window[0..3] as in R1+28..40 of Wimp_RedrawWindow. * Returns (possibly modified) flags. */ int ro_zap_redraw_draw_string(x, y, string, length, flags, clip) int x; int y; char *string; int length; int flags; /* DRAW_TRANSP, DRAW_BOLD, DRAW_UNDERL, DRAW_ITALIC */ int *clip; { char redraw_data[1024]; int clip_minx; int clip_miny; int clip_maxx; int clip_maxy; int os_xshift = zap_redraw_block.r_magx; int os_yshift = zap_redraw_block.r_magy; if (flags & DRAW_TRANSP) return flags; /* We don't do transparent plotting yet. */ if (flags & DRAW_BOLD) { if (flags & DRAW_ITALIC && zap_caddr[ZAP_BITALIC]) zap_redraw_block.r_caddr = zap_caddr[ZAP_BITALIC]; else zap_redraw_block.r_caddr = zap_caddr[ZAP_BOLD]; } else { if (flags & DRAW_ITALIC) zap_redraw_block.r_caddr = zap_caddr[ZAP_ITALIC]; else zap_redraw_block.r_caddr = zap_caddr[ZAP_NORMAL]; } if (!zap_redraw_block.r_caddr) { zap_redraw_block.r_caddr = zap_caddr[ZAP_NORMAL]; flags |= DRAW_UNDERL; /* Style missing - we can always underline */ } /* Set the vertical scaling flag */ if (double_height) zap_redraw_block.r_flags = 1 << 1; else zap_redraw_block.r_flags = 0; /* Update the colour masks (if needed) */ if (zap_redraw_update_colours) { swi(ZapRedraw_CreatePalette, 2, &zap_redraw_block, zap_redraw_colours, zap_redraw_block.r_palette, 2); zap_redraw_update_colours = FALSE; } /* Target rectangle in ZapRedraw rectangle coordinates (pixels, Y-min/max reversed !!!) */ zap_redraw_block.r_minx = x >> os_xshift; /* inclusive */ zap_redraw_block.r_miny = zap_redraw_block.r_ysize - (y >> os_yshift); /* inclusive */ zap_redraw_block.r_maxx = (x + length * gui.char_width) >> os_xshift; /* exclusive */ zap_redraw_block.r_maxy = zap_redraw_block.r_ysize - ((y - gui.char_height) >> os_yshift); /* exclusive */ /* Clip rectangle in ZapRedraw rectangle coordinates (pixels, Y-min/max reversed !!!) */ clip_minx = clip[0] >> os_xshift; /* inclusive */ clip_miny = zap_redraw_block.r_ysize - (clip[3] >> os_yshift); /* inclusive */ clip_maxx = clip[2] >> os_xshift; /* exclusive */ clip_maxy = zap_redraw_block.r_ysize - (clip[1] >> os_yshift); /* exclusive */ /* Clip target rectangle against the current graphics window */ if (zap_redraw_block.r_minx < clip_minx) { zap_redraw_block.r_scrollx = clip_minx - zap_redraw_block.r_minx; zap_redraw_block.r_minx = clip_minx; } else zap_redraw_block.r_scrollx = 0; if (zap_redraw_block.r_miny < clip_miny) { zap_redraw_block.r_scrolly = clip_miny - zap_redraw_block.r_miny; zap_redraw_block.r_miny = clip_miny; } else zap_redraw_block.r_scrolly = 0; if (zap_redraw_block.r_maxx > clip_maxx) zap_redraw_block.r_maxx = clip_maxx; if (zap_redraw_block.r_maxy > clip_maxy) zap_redraw_block.r_maxy = clip_maxy; /* Fill in the character data structure */ if (length > (sizeof(redraw_data) - 2 * 4 - 2)) length = sizeof(redraw_data) - 2 * 4 - 2; ((int*) redraw_data)[0] = 2 * 4; ((int*) redraw_data)[1] = 0; strncpy(redraw_data + 2 * 4, string, length); redraw_data[2 * 4 + length + 0] = '\0'; redraw_data[2 * 4 + length + 1] = '\x2'; zap_redraw_block.r_data = (int) redraw_data; /* Perform the draw */ swi(ZapRedraw_RedrawArea, 0, &zap_redraw_block); return flags; } /* * Okay that was it from me, back to Thomas ... */ /* * 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) { int arg = 1; while (arg < *argc - 1) { if (strcmp(argv[arg], "--rows") == 0 || strcmp(argv[arg], "--columns") == 0) { int value; value = atoi(argv[arg + 1]); if (argv[arg][2] == 'r') default_rows = value; else default_columns = value; /* Delete argument from argv[]. (hope this is read/write!) */ *argc -= 2; if (*argc > arg) mch_memmove(&argv[arg], &argv[arg + 2], (*argc - arg) * sizeof(char *)); } else arg++; } } /* Fatal error on initialisation - report it and die. */ void ro_die(error) char_u *error; /* RISC OS error block */ { swi(Wimp_ReportError, error, 5, "GVim"); exit(EXIT_FAILURE); } /* Find the sizes of the window tools: * * Create a test window. * Find inner and outer sizes. * Find the difference. * Delete window. * * While we're here, find the eigen values too. */ void ro_measure_tools() { int block[10]; int vdu[] = { 4, 5, -1}; int test_window[] = { -100, -100, /* Visible area : min X,Y */ -50, -50, /* max X,Y */ 0, 0, /* Scroll offsets */ -1, /* Window in front */ 0xd0800150, /* Window flags */ 0xff070207, /* Colours */ 0x000c0103, /* More colours */ 0, -0x4000, /* Workarea extent */ 0x4000, 0, /* max X,Y */ 0x00000000, /* No title */ 0 << 12, /* No workarea button type */ 1, /* Wimp sprite area */ 0x00010001, /* Minimum width, height */ 0, 0, 0, /* Title data (none) */ 0 /* No icons */ }; int inner_max_x, inner_min_y; swi(Wimp_CreateWindow, 0, test_window); block[0] = r0; /* Open the window (and read state). * GetWindowOutline needs it too if the wimp isn't nested. */ swi(Wimp_OpenWindow, 0, block); inner_max_x = block[3]; inner_min_y = block[2]; swi(Wimp_GetWindowOutline, 0, block); gui.scrollbar_width = block[3] - inner_max_x; gui.scrollbar_height = inner_min_y - block[2]; swi(Wimp_DeleteWindow, 0, block); /* Read the size of one pixel. */ swi(OS_ReadVduVariables, vdu, vdu); x_eigen_factor = vdu[0]; y_eigen_factor = vdu[1]; } /* Load a template from the current templates file. * Create the window and return its handle. */ int ro_load_template(str_name, title, title_size) char_u *str_name; /* Identifier of window in file (max 12 chars) */ char_u **title; /* If not NULL then return pointer to title here */ int *title_size; /* If not NULL then return the title length here */ { int *window; char *data; int name[4]; strcpy( (char *) name, str_name); /* Find how big we must make the buffers */ if (xswi(Wimp_LoadTemplate, 0, 0, 0, 0, -1, name, 0) & v_flag) ro_die( (char *) r0); window = malloc(r1); /* Don't print text messages from alloc() */ data = malloc(r2); if (window == NULL || data == NULL) ro_die("\0\0\0\0Out of memory - Can't load templates"); /* Load the template into the buffers */ swi(Wimp_LoadTemplate, 0, window, /* Temp block */ data, /* Icon data */ data + r2 + 1, /* End of icon data */ -1, /* No fonts */ name, 0); /* First match */ if (r6 == 0) ro_die("\0\0\0\0Can't find window in Templates file"); /* Create the window */ if (xswi(Wimp_CreateWindow, 0, window) & v_flag) ro_die( (char *) r0); if (title) *title = (char_u *) window[18]; if (title_size) *title_size = window[20]; free(window); /* Free temp block */ return r0; /* Return the window handle */ } /* * Check if the GUI can be started. Called before gvimrc is sourced. * Return OK or FAIL. */ int gui_mch_init_check() { return OK; /* TODO: GUI can always be started? */ } /* * Initialise the RISC OS GUI. * Create all the windows. * Returns OK for success, FAIL when the GUI can't be started. */ int gui_mch_init() { int messages[] = { 1, 2, 3, 4, /* DataSave, DataSaveAck, DataLoad, DataLoadAck */ 8, /* PreQuit */ 0xf, /* ClaimEntity (for clipboard) */ 0x10, /* DataRequest (for clipboard) */ 0x400c1, /* Mode change */ 0x400c3, /* TaskCloseDown */ 0x400c9, /* MenusDeleted */ 0x808c1, /* TW_Output */ 0x808c2, /* TW_Ego */ 0x808c3, /* TW_Morio */ 0x808c4, /* TW_Morite */ 0}; /* End-of-list. */ /* There may have been some errors reported in the * command window before we get here. Wait if so. */ swi(Wimp_ReadSysInfo, 3); if (r0 == 0) swi(Wimp_CommandWindow, 0); /* Window opened - close with prompt */ if (xswi(Wimp_Initialise, 310, 0x4b534154, "GVim", messages) & v_flag) return FAIL; nested_wimp = r0 >= 397; task_handle = r1; /* Load the templates. */ if (xswi(Wimp_OpenTemplate, 0, "Vim:Templates") & v_flag) ro_die( (char *) r0); gui.window_handle = ro_load_template("editor", &gui.window_title, &gui.window_title_size); save_window = ro_load_template("save", NULL, NULL); swi(Wimp_CloseTemplate); /* Set default foreground and background colours. */ gui.norm_pixel = gui.def_norm_pixel; gui.back_pixel = gui.def_back_pixel; /* Get the colours 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 colours for the highlight groups (gui_check_colors() might have * changed them) */ highlight_gui_started(); /* re-init colours and fonts */ /* Set geometry based on values read on initialisation. */ gui.num_cols = Columns = default_columns; gui.num_rows = Rows = default_rows; /* Get some information about our environment. */ ro_measure_tools(); return OK; } /* * Called when the foreground or background colour has been changed. */ void gui_mch_new_colors() { } /* * Open the GUI window which was created by a call to gui_mch_init(). */ int gui_mch_open(void) { int block[10]; block[0] = gui.window_handle; swi(Wimp_GetWindowState, 0, block); block[7] = -1; /* Open at the top of the stack */ swi(Wimp_OpenWindow, 0, block); /* Give the new window the input focus */ swi(Wimp_SetCaretPosition, gui.window_handle, -1, 0, 0, -1, -1); if (gui_win_x != -1 && gui_win_y != -1) gui_mch_set_winpos(gui_win_x, gui_win_y); return OK; } void gui_mch_exit(int rc) { int block[64]; /* Close window. Stops us from getting troublesome events * if we take a while to die. */ block[0] = gui.window_handle; swi(Wimp_CloseWindow, 0, block); if (child_handle) { /* We still have a sub-task running - kill it */ block[0] = 20; block[3] = 0; block[4] = 0; /* Quit */ if ((xswi(Wimp_SendMessage, 17, block, child_handle) & v_flag) == 0) { /* Idle until child dies. */ while (child_handle) { process_event(wimp_poll(1, block), block); } } } exit(rc); } /* * Get the position of the top left corner of the window. */ int gui_mch_get_winpos(int *x, int *y) { /* TODO */ return FAIL; } /* * Set the position of the top left corner of the window to the given * coordinates. */ void gui_mch_set_winpos(int x, int y) { /* TODO */ } void gui_mch_set_shellsize(width, height, min_width, min_height, base_width, base_height) int width; /* In OS units */ int height; int min_width; /* Smallest permissable window size (ignored) */ int min_height; int base_width; /* Space for scroll bars, etc */ int base_height; { int s_width, s_height; int block[] = { gui.window_handle, 0, -height + 1, width, 1}; gui_mch_get_screen_dimensions(&s_width, &s_height); s_width -= base_width; s_height -= base_height; /* Underestimate - ignores titlebar */ swi(Wimp_GetWindowState, 0, block); block[3] = block[1] + width; block[2] = block[4] - height; if (block[3] > s_width) { block[3] = s_width; block[1] = block[3] - width; } if (block[2] < gui.scrollbar_height) { block[2] = gui.scrollbar_height; block[4] = block[2] + height; } swi(Wimp_OpenWindow, 0, block); swi(Wimp_ForceRedraw, gui.window_handle, 0, -height, width, 0); } void gui_mch_get_screen_dimensions(int *screen_w, int *screen_h) { int block[] = {4, 5, 11, 12, -1}; swi(OS_ReadVduVariables, block, block); *screen_w = (block[2] + 1) << block[0]; *screen_h = (block[3] + 1) << block[1]; } /* Take a font name with options and return a font handle, or * zero for failure. * Replace extension with 'Bold' or 'Italic' depending on modifiers. */ int ro_get_font(fullname, weight) char_u *fullname; int weight; /* Initial weights: * BIT MEANING * 0 bold * 1 italic */ { char_u *arg; char_u font[41]; int width = -1; int height = -1; int name_len; int i; char_u c; for (i = 0; i < 39;) { c = fullname[i]; if (c == ':' || c == NUL || c == '.') break; font[i++] = c; } /* find the first modifier, NULL if none */ arg = strchr(fullname + i, ':'); while (arg) { switch (*++arg) { case 'h': height = strtol(arg + 1, (char **) &arg, 10); break; case 'w': width = strtol(arg + 1, (char **) &arg, 10); break; case 'b': weight |= 1; break; case 'i': weight |= 2; break; default: return 0; } arg = strchr(arg, ':'); } if ((weight & 1) && i < 35) { /* Bold goes instead of given suffix */ strncpy(font + i, ".Bold", 5); i += 5; } else { /* Copy rest of name unless we are using Bold */ while (i < 39) { c = fullname[i]; if (c == ':' || c == NUL) break; font[i++] = c; } } if ((weight & 2) && i < 32) { strncpy(font + i, ".Oblique", 8); i += 8; } font[i] = 0; if (height < 1 && width < 1) height = width = 10; /* Default to 10pt */ else if (height < 1) height = width; else if (width < 1) width = height; if (xswi(Font_FindFont, 0, font, width << 4, height << 4, 0, 0) & v_flag) return NOFONT; /* Can't find font */ return r0; } /* Load a file into allocated memory and check it is valid. * Return a pointer to the allocated block on success. */ char * zap_load_file(name, style) char_u *name; /* Name of directory containing styles */ char_u *style; /* Name of style within directory */ { char_u fname[256]; char_u *file; if (strlen(name) + strlen(style) > 254) return NULL; /* Names too long */ sprintf(fname, "%s.%s", name, style); /* Load the named font in 1bpp format. */ if (xswi(OS_File, 13, fname, 0, 0, "VimFonts:") & v_flag || r0 != 1) return NULL; /* Error reading file info, or not a file */ /* Allocate enough memory to load the whole file */ file = (char *) alloc(r4); if (!file) return NULL; /* Out of memory */ if (xswi(OS_File, 12, fname, file, 0, "VimFonts:") & v_flag) return NULL; /* Unable to load file */ if (strncmp(file, "ZapFont\015", 8) == 0) return file; /* Loaded OK! */ free(file); return NULL; /* Not a valid font file */ } /* Load and convert the named font. * If name is NULL or a null string then convert the system font. * Return OK on success; FAIL and we revert to using the VDU drivers. * * 'name' is the name of a directory. * Tries to load 'name.0', 'name.B', 'name.I' and 'name.IB'. */ int zap_load_font(name) char_u *name; { int i; /* Free the existing font files, if any */ for (i = 0; i < ZAP_STYLES; i++) { vim_free(zap_file[i]); zap_file[i] = NULL; } if (name && *name == '!') { name++; double_height = TRUE; } else double_height = FALSE; if (name && *name) { zap_file[ZAP_NORMAL] = zap_load_file(name, "0"); if (!zap_file[ZAP_NORMAL]) return FAIL; /* Can't load the 'normal' style - error */ zap_file[ZAP_BOLD] = zap_load_file(name, "B"); zap_file[ZAP_ITALIC] = zap_load_file(name, "I"); zap_file[ZAP_BITALIC] = zap_load_file(name, "IB"); } else { int *header; char workarea[16]; char *old_wa; /* Allocate memory for system font (8 x 8 x 256 bits, plus header) */ header = (int *) alloc(0x20 + 8 * 256); if (header == NULL) return FAIL; zap_file[ZAP_NORMAL] = (char *) header; /* Store details about the system font */ header[2] = 8; /* Width */ header[3] = 8; /* Height */ header[4] = 0; /* First char */ header[5] = 255; /* Last char */ header[6] = header[7] = 0; /* Reserved */ /* Get system font bitmap */ old_wa = zap_redraw_block.r_workarea; zap_redraw_block.r_workarea = workarea; swi(ZapRedraw_ReadSystemChars, zap_file[ZAP_NORMAL] + 0x20, &zap_redraw_block); zap_redraw_block.r_workarea = old_wa; } return ro_zap_redraw_initialise(); } /* * Initialise vim to use the font 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) { int new_handle = 0; /* Use the system font by default */ if (font_name[0] == '!') { /* Select a ZapRedraw font */ if (zap_load_font(font_name + 1)) zap_redraw = TRUE; else { EMSG2(_("E610: Can't load Zap font '%s'"), font_name); font_name = "System"; /* Error - use system font */ zap_redraw = FALSE; } } else { zap_redraw = FALSE; if (font_name) { /* Extract any extra details about the font */ new_handle = ro_get_font(font_name, 0); if (!new_handle) return FAIL; } else font_name = "System"; } /* Free the previous font, if any */ gui_mch_free_font(gui.norm_font); gui.norm_font = new_handle; gui.char_ascent = 0; if (new_handle) { /* Read details about the chosen font */ swi(Font_ReadInfo, new_handle); gui.char_width = r3 - r1; gui.char_height = r4 - r2; font_x_offset = -r1; /* Where to position each char in its box */ font_y_offset = -r4; /* Try to load other fonts for bold, italic, and bold-italic */ gui_mch_free_font(gui.bold_font); gui.bold_font = ro_get_font(font_name, 1); gui_mch_free_font(gui.ital_font); gui.ital_font = ro_get_font(font_name, 2); gui_mch_free_font(gui.boldital_font); gui.boldital_font = ro_get_font(font_name, 3); } else { /* Use the system font or ZapRedraw. */ if (zap_redraw) { gui.char_width = zap_redraw_block.r_charw << zap_redraw_block.r_magx; gui.char_height = zap_redraw_block.r_charh << zap_redraw_block.r_magy; if (double_height) gui.char_height <<= 1; } else { gui.char_width = 16; gui.char_height = 32; } gui_mch_free_font(gui.bold_font); gui.bold_font = 0; gui_mch_free_font(gui.ital_font); gui.ital_font = 0; gui_mch_free_font(gui.boldital_font); gui.boldital_font = 0; } hl_set_font_name(font_name); must_redraw = CLEAR; return OK; } int gui_mch_adjust_charsize() { return FAIL; } /* * Get a font structure for highlighting. */ GuiFont gui_mch_get_font(name, giveErrorIfMissing) char_u *name; int giveErrorIfMissing; { int handle; if (!name) return NOFONT; /* System font if no name */ handle = ro_get_font(name, 0); if (!handle) { if (giveErrorIfMissing) EMSG2(_("E611: Can't use font %s"), name); return NOFONT; } return handle; } #if defined(FEAT_EVAL) || defined(PROTO) /* * Return the name of font "font" in allocated memory. * Don't know how to get the actual name, thus use the provided name. */ char_u * gui_mch_get_fontname(font, name) GuiFont font; char_u *name; { if (name == NULL) return NULL; return vim_strsave(name); } #endif /* * Set the current text font. */ void gui_mch_set_font(GuiFont font) { ro_current_font = font; if (font) { /* Not the system font or ZapRedraw font - select it */ swi(Font_SetFont, font); } } #if 0 /* not used */ /* * Return TRUE if the two fonts given are equivalent. */ int gui_mch_same_font(GuiFont f1, GuiFont f2) { return f1 == f2; } #endif /* * If a font is not going to be used, free its structure. */ void gui_mch_free_font(GuiFont font) { if (font) swi(Font_LoseFont, font); } /* * Return the Pixel value (colour) for the given colour name. * Return INVALCOLOR for error. * NB: I've changed Green for now, since it looked really sick */ guicolor_T gui_mch_get_color(char_u *name) { int i; struct colour { char_u *name; guicolor_T value; } colours[] = { { "Red", grgb(255, 0, 0) }, { "LightRed", grgb(255, 0, 0) }, { "DarkRed", grgb(139, 0, 0) }, { "Green", grgb(50, 200, 50) }, { "LightGreen", grgb(144, 238, 144) }, { "DarkGreen", grgb(0, 100, 0) }, { "SeaGreen", grgb(46, 139, 87) }, { "Blue", grgb(0, 0, 255) }, { "LightBlue", grgb(173, 216, 230) }, { "DarkBlue", grgb(0, 0, 139) }, { "SlateBlue", grgb(160, 90, 205) }, { "Cyan", grgb(0, 255, 255) }, { "LightCyan", grgb(224, 255, 255) }, { "DarkCyan", grgb(0, 139, 139) }, { "Magenta", grgb(255, 0, 255) }, { "LightMagenta", grgb(255, 224, 255) }, { "DarkMagenta", grgb(139, 0, 139) }, { "Yellow", grgb(255, 255, 0) }, { "LightYellow", grgb(255, 255, 224) }, { "DarkYellow", grgb(139, 139, 0) }, { "Brown", grgb(165, 42, 42) }, { "Gray", grgb(190, 190, 190) }, { "Grey", grgb(190, 190, 190) }, { "LightGray", grgb(211, 211, 211) }, { "LightGrey", grgb(211, 211, 211) }, { "DarkGray", grgb(169, 169, 169) }, { "DarkGrey", grgb(169, 169, 169) }, { "Black", grgb(0, 0, 0) }, { "White", grgb(255, 255, 255) }, { "Orange", grgb(255, 165, 0) }, { "Purple", grgb(160, 32, 240) }, { "Violet", grgb(238, 130, 238) }, {NULL, 0} }; if (name[0] == '#') { char *end; int c; c = strtol(name + 1, &end, 16); return (guicolor_T) ((c >> 16) & 0xff) | (c & 0xff00) | ((c & 0xff) << 16); } for (i = 0; colours[i].name != NULL; i++) { if (STRICMP(name, colours[i].name) == 0) return colours[i].value; } if (strnicmp(name, "grey", 4) == 0 || strnicmp(name, "gray", 4) == 0) { int level = (255 * atoi(name + 4)) / 100; return (guicolor_T) grgb(level, level, level); } return INVALCOLOR; } /* * Set the current text colours. * If we are using fonts then set the antialiasing colours too. */ void gui_mch_set_colors(guicolor_T fg, guicolor_T bg) { zap_redraw_colours[0] = bg << 8; /* JK230798, register new background colour */ zap_redraw_colours[1] = fg << 8; /* JK230798, register new foreground colour */ zap_redraw_update_colours = TRUE; /* JK230798, need update of colour masks */ swi(ColourTrans_ReturnGCOL, fg << 8); gui.fg_colour = r0; swi(ColourTrans_ReturnGCOL, bg << 8); gui.bg_colour = r0; if (ro_current_font) swi(ColourTrans_SetFontColours, 0, bg << 8, fg << 8, 14); } void ro_draw_string(x, y, s, len, flags, clip) int x; /* Top-left coord to plot at (x incl, y excl) */ int y; /* (screen coords) */ char_u *s; /* String to plot */ int len; /* Length of string */ int flags; /* DRAW_TRANSP, DRAW_BOLD, DRAW_UNDERL */ int* clip; /* JK230798, added clip window */ { if (ro_current_font) { int fx; int flen = len; /* Preserve for underline */ /* Use the Font manager to paint the string. * Must do one char at a time to get monospacing. */ if (flags & DRAW_ITALIC && !gui.ital_font) flags |= DRAW_UNDERL; /* No italic - underline instead */ if ((flags & DRAW_TRANSP) == 0) { swi(ColourTrans_SetColour, gui.bg_colour, 0, 0, 0, 0); swi(OS_Plot, 4, x, y - gui.char_height); swi(OS_Plot, 96 + 5, x + len * gui.char_width - 1, y - 1); } fx = x + font_x_offset; while (flen--) { swi(Font_Paint, 0, s++, 0x90, fx, y + font_y_offset, 0, 0, 1); fx += gui.char_width; } } else { if (zap_redraw) { /* Using fast Zap redraw. */ flags = ro_zap_redraw_draw_string(x, y, s, len, flags, clip); } else { /* Using the system font */ if (flags & DRAW_ITALIC) flags |= DRAW_UNDERL; if ((flags & DRAW_TRANSP) == 0) { swi(ColourTrans_SetColour, gui.bg_colour, 0, 0, 0, 0); swi(OS_Plot, 4, x, y - gui.char_height); swi(OS_Plot, 96 + 5, x + len * gui.char_width - 1, y - 1); } swi(OS_Plot, 4, /* Move the drawing cursor */ x, y - 1); swi(ColourTrans_SetColour, gui.fg_colour, 0, 0, 0, 0); swi(OS_WriteN, s, len); if (flags & DRAW_BOLD) { swi(OS_Plot, 4, x + (1 << x_eigen_factor), y - 1); swi(OS_WriteN, s, len); } } } if (flags & DRAW_UNDERL) { if (ro_current_font || zap_redraw) swi(ColourTrans_SetColour, gui.fg_colour, 0, 0, 0, 0); /* Underlined is the same with all plotting methods */ swi(OS_Plot, 4, x, y - gui.char_height); swi(OS_Plot, 1, gui.char_width * len, 0); } } void gui_mch_draw_string(int row, int col, char_u *s, int len, int flags) { int x, y; /* Workarea x,y */ x = col * gui.char_width; y = -row * gui.char_height; if (redraw_block) { ro_draw_string(x + redraw_block[1], y + redraw_block[4], s, len, flags, &redraw_block[7]); /* JK230798, added clip window */ } else { int block[44]; block[0] = gui.window_handle; block[1] = x; block[2] = y - gui.char_height; block[3] = (col + len) * gui.char_width; block[4] = y; swi(Wimp_UpdateWindow, 0, block); while (r0) { ro_draw_string(x + block[1], y + block[4], s, len, flags, &block[7]); /* JK230798, added clip window */ swi(Wimp_GetRectangle, 0, block); } } } /* * Return OK if the key with the termcap name "name" is supported. */ int gui_mch_haskey(char_u *name) { return FAIL; } void gui_mch_beep(void) { swi(OS_WriteI + 7); } /* * Visual bell. */ void gui_mch_flash(int msec) { /* TODO */ } /* * Plot a solid rectangle using the given plot action and colour. * Coordinates are inclusive and window-relative. */ void plot_rectangle(plot, colour, minx, miny, maxx, maxy) int plot; /* OS_Plot action */ int colour; int minx; int miny; int maxx; int maxy; { if (redraw_block) { swi(ColourTrans_SetColour, colour, 0, 0, 0, 0); swi(OS_Plot, 4, minx + redraw_block[1], miny + redraw_block[4]); swi(OS_Plot, plot, maxx + redraw_block[1], maxy + redraw_block[4]); } else { int block[44]; block[0] = gui.window_handle; block[1] = minx; block[2] = miny; block[3] = maxx + 1; block[4] = maxy + 1; swi(Wimp_UpdateWindow, 0, block); while (r0) { swi(ColourTrans_SetColour, colour, 0, 0, 0, 0); swi(OS_Plot, 4, minx + block[1], miny + block[4]); swi(OS_Plot, plot, maxx + block[1], maxy + block[4]); swi(Wimp_GetRectangle, 0, block); } } } /* * 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) { plot_rectangle(96 + 6, 0, FILL_X(c), -FILL_Y(r + nr), FILL_X(c + nc), -FILL_Y(r)); } /* * Iconify the GUI window. */ void gui_mch_iconify(void) { } #if defined(FEAT_EVAL) || defined(PROTO) /* * Bring the Vim window to the foreground. */ void gui_mch_set_foreground() { /* TODO */ } #endif /* Draw a hollow rectangle relative to the current * graphics cursor position, with the given width * and height. Start position is top-left. */ void draw_hollow(w, h) int w; int h; { swi(OS_Plot, 1, w - 1, 0); swi(OS_Plot, 1, 0, 1 - h); swi(OS_Plot, 1, 1 - w, 0); swi(OS_Plot, 1, 0, h - 1); } /* * Draw a cursor without focus. */ void gui_mch_draw_hollow_cursor(guicolor_T colour) { int x = FILL_X(gui.cursor_col); /* Window relative, top-left */ int y = -FILL_Y(gui.cursor_row); if (redraw_block == NULL) { int block[11]; block[0] = gui.window_handle; block[1] = x; block[2] = y - gui.char_height; block[3] = x + gui.char_width; block[4] = y; swi(Wimp_UpdateWindow, 0, block); while (r0) { swi(ColourTrans_SetGCOL, colour << 8, 0, 0, 0, 0); swi(OS_Plot, 4, x + block[1], y + block[4] - 1); draw_hollow(gui.char_width, gui.char_height); swi(Wimp_GetRectangle, 0, block); } } else { swi(ColourTrans_SetGCOL, colour << 8, 0, 0, 0, 0); swi(OS_Plot, 4, x + redraw_block[1], y + redraw_block[4] - 1); draw_hollow(gui.char_width, gui.char_height); } } /* * Draw part of a cursor, "w" pixels wide, and "h" pixels high, using * color "color". */ void gui_mch_draw_part_cursor(w, h, colour) int w; int h; guicolor_T colour; { int x = FILL_X(gui.cursor_col); int y = -FILL_Y(gui.cursor_row); swi(ColourTrans_ReturnGCOL, colour << 8); plot_rectangle(96 + 5, r0, x, y - h, x + w - 1, y - 1); } /* * Catch up with any queued events. This may put keyboard input into the * input buffer, call resize call-backs, trigger timers etc. * If there is nothing in the event queue(& no timers pending), then we return * immediately (well, after a Wimp_Poll). */ void gui_mch_update(void) { int block[64]; int reason; swi(OS_ReadMonotonicTime); if ((r0 - time_of_last_poll) < 50) return; /* Don't return too often */ reason = wimp_poll(0, block); if (reason) process_event(reason, block); ro_return_early = FALSE; /* We're returning anyway. */ } void redraw_window(block) int *block; { int x, y; /* Vim workarea coords */ int width, height; int blank_col; swi(ColourTrans_ReturnGCOL, UNUSED_COLOUR << 8, 0, 0, 1<<7, 0); blank_col = r0; swi(Wimp_RedrawWindow, 0, block); redraw_block = block; while (r0) { x = block[7] - block[1]; y = block[4] - block[10]; width = block[9] - block[7]; height = block[10] - block[8]; if (height + y > Rows * gui.char_height) { /* Blank everything off the bottom. */ plot_rectangle(96 + 5, blank_col, 0, block[8] - block[4], block[9] - block[1], -FILL_Y(Rows) - 1); height = Rows * gui.char_height; } if (width + x> Columns * gui.char_width) { /* Blank everything off to the right. */ plot_rectangle(96 + 5, blank_col, FILL_X(Columns), block[8] - block[4], block[9] - block[1], 0); width = Columns * gui.char_width; } gui_redraw(x , y, width, height); swi(Wimp_GetRectangle, 0, block); } redraw_block = NULL; } /* Check if we have modified data. * If we do then ack the message to stop the shutdown. * Otherwise, ignore the message. */ void ro_prequit(block) int *block; { if (!ro_ok_to_quit()) { /* Not OK to quit - stop shutdown */ block[3] = block[2]; swi(Wimp_SendMessage, 19, block, block[1]); } /* Do nothing. We may get a Message_Quit later. */ } /* If there is unsaved data then ask the user if they mind losing it. * Return TRUE if we can quit without saving, FALSE to halt the * shutdown. */ int ro_ok_to_quit() { int old_confirm = cmdmod.confirm; cmdmod.confirm = FALSE; /* Use our own, single tasking, box */ if (check_changed_any(FALSE)) { swi(Wimp_ReportError, "\0\0\0\0Vim contains unsaved data - quit anyway?", 0x17, "Vim"); cmdmod.confirm = old_confirm; if (r1 != 1) return FALSE; } cmdmod.confirm = old_confirm; return TRUE; } /* Quit without checking for unsaved data. */ void ro_quit() { exiting = TRUE; getout(0); exiting = FALSE; /* probably can't get here */ setcursor(); /* position cursor */ out_flush(); } /* Insent the given vim special code into the input buffer */ void ro_press(a, b, modifier) char a; char b; int modifier; /* %<Ctrl><Shift> 0000 0000 */ { char_u buf[6]; int vim_mod; int key; /* Convert RISC OS modifier to Vim modifier. */ vim_mod = ((modifier & 0x10) ? MOD_MASK_SHIFT : 0) | ((modifier & 0x20) ? MOD_MASK_CTRL : 0); key = simplify_key(TERMCAP2KEY(a, b), &vim_mod); buf[3] = CSI; buf[4] = KEY2TERMCAP0(key); buf[5] = KEY2TERMCAP1(key); if (vim_mod) { buf[0] = CSI; buf[1] = KS_MODIFIER; buf[2] = vim_mod; add_to_input_buf(buf, 6); } else add_to_input_buf(buf + 3, 3); } /* Take a wimp key code and insert the vim equivalent * into vim's input buffer. * CTRL-C also sets got_int. */ void ro_insert_key(code) char_u *code; /* Wimp_ProcessKey code (4 bytes) */ { char a = code[0]; char b = code[1]; int base, modifier; if (a == 3 && ctrl_c_interrupts) got_int = TRUE; /* Is it a normal key? */ if (a > 31 && a < 127) { add_to_input_buf(code, 1); return; } /* We should pass any unrecognised keys on, but * for now just pass on F12 combinations. */ switch (b) { case 0: /* Home and Delete are the only special cases */ switch (a) { case 0x1e: ro_press('k','h', 0); /* Home */ return; case 0x7f: ro_press('k','D', 0); /* Delete */ return; case CSI: { /* Turn CSI into K_CSI. Untested! */ char_u string[3] = {CSI, KS_EXTRA, KE_CSI}; add_to_input_buf(string, 3); return; } default: add_to_input_buf(code, 1); return; } case 1: if ((a & 0xcf) == 0xcc) { /* F12 pressed - pass it on (quick hack) */ swi(Wimp_ProcessKey, a | 0x100); return; } base = a & 0xcf; modifier = a & 0x30; switch (base) { case 0x8a: /* Tab */ add_to_input_buf("\011", 1); return; case 0x8b: /* Copy (End) */ return ro_press('@', '7', modifier); case 0x8c: /* Left */ return ro_press('k', 'l', modifier); case 0x8d: /* Right */ return ro_press('k', 'r', modifier); case 0x8e: /* Down */ if (modifier & 0x10) return ro_press('k', 'N', modifier ^ 0x10); else return ro_press('k', 'd', modifier); case 0x8f: /* Up */ if (modifier & 0x10) return ro_press('k', 'P', modifier ^ 0x10); else return ro_press('k', 'u', modifier); case 0xca: /* F10 */ return ro_press('k', ';', modifier); case 0xcb: /* F11 */ return ro_press('F', '1', modifier); case 0xcd: /* Insert */ return ro_press('k', 'I', modifier); default: if (base > 0x80 && base < 0x18a) { /* One of the other function keys */ return ro_press('k', '0' + (base & 15), modifier); } } } } /* Process a mouse event. */ void ro_mouse(block) int *block; { int x, y, button, vim_button; int modifiers = 0; int min_x, min_y; /* Visible area of editor window */ int max_x, max_y; if (block[3] != gui.window_handle || ro_dragging) return; /* Not our window or ignoring clicks*/ x = block[0]; /* Click position - screen coords */ y = block[1]; button = block[2]; block[0] = gui.window_handle; swi(Wimp_GetWindowState, 0, block); min_x = block[1]; min_y = block[2]; max_x = block[3]; max_y = block[4]; if (block[3] - x < gui.scrollbar_width) { /* Click in that blank area under the scrollbars */ if (button & 0x444) { int front_block[10]; /* Dragging with Select - bring window to front first */ front_block[0] = gui.window_handle; swi(Wimp_GetWindowState, 0, front_block); front_block[7] = -1; ro_open_main(front_block); } block[0] = gui.window_handle; block[1] = 7; /* Drag point */ block[2] = block[4] = 0; /* Coords of point. */ block[3] = block[5] = 0; drag_x_offset = max_x - x; drag_y_offset = min_y - y; /* Parent box. */ block[6] = min_x + gui.scrollbar_width * 2 + MIN_COLUMNS * gui.char_width; block[7] = 0; gui_mch_get_screen_dimensions(&block[8], &block[9]); block[9] = max_y - 4 * gui.char_height - gui.scrollbar_height; swi(Wimp_DragBox, 0, block); ro_dragging = DRAG_RESIZE_WINDOW; drag_button = vim_button; drag_modifiers = modifiers; return; } if (button & 0x111) vim_button = MOUSE_RIGHT; else if (button & 0x222) vim_button = MOUSE_MIDDLE; else vim_button = MOUSE_LEFT; swi(OS_Byte, 121, 0x80); if (r1 == 0xff) modifiers |= MOUSE_SHIFT; swi(OS_Byte, 121, 0x81); if (r1 == 0xff) modifiers |= MOUSE_CTRL; swi(OS_Byte, 121, 0x82); if (r1 == 0xff) modifiers |= MOUSE_ALT; if (button == 2) { /* Menu click: * If shift was pressed then do the paste action. * If not, then open the pop-up menu. */ modifiers ^= MOUSE_SHIFT; if (modifiers && MOUSE_SHIFT) { vimmenu_T main; /* Shift was NOT pressed - show menu */ main.dname = (char_u *) "Vim"; main.children = root_menu; gui_mch_show_popupmenu(&main); return; } } /* Gain the input focus */ swi(Wimp_SetCaretPosition, gui.window_handle, -1, 0, 0, -1, -1); if (button & 0xf0) { /* Drag operation: * * Tell the Wimp to start a drag. * Monitor null events. */ block[1] = 7; /* Drag a point. */ block[2] = block[4] = x; /* Coords of point. */ block[3] = block[5] = y; block[6] = 0; /* Coords of bounding box. */ block[7] = 0; gui_mch_get_screen_dimensions(&block[8], &block[9]); drag_x_offset = drag_y_offset = 0; swi(Wimp_DragBox, 0, block); ro_dragging = DRAG_SELECTION; drag_button = vim_button; drag_modifiers = modifiers; vim_button |= MOUSE_DRAG; } gui_send_mouse_event( vim_button, x - min_x, max_y - y, button & 0xf ? TRUE : FALSE, /* dclick */ modifiers); } void ro_continue_drag(block) int *block; /* Just used as scrap. */ { int x, y; /* Get screen coords of pointer. */ swi(Wimp_GetPointerInfo, 0, block); x = block[0] + drag_x_offset; y = block[1] + drag_y_offset; block[0] = gui.window_handle; swi(Wimp_GetWindowState, 0, block); if (ro_dragging == DRAG_RESIZE_WINDOW) { /* Resizeing the main window. */ block[2] = y; block[3] = x; ro_open_main(block); } else { /* Selecting some text. */ gui_send_mouse_event( drag_button | MOUSE_DRAG, /* Always report the same button */ x - block[1], block[4] - y, FALSE, /* Not a double click. */ drag_modifiers); } } /* User has released all mouse buttons, marking the end of a drag. */ void ro_drag_finished(block) int *block; { int x; int y; int width, height; /* I don't trust the box returned by Wimp_Poll; look at the pointer * ourselves. */ swi(Wimp_GetPointerInfo, 0, block); x = block[0] + drag_x_offset; y = block[1] + drag_y_offset; if (ro_dragging == DRAG_RESIZE_WINDOW) { block[0] = gui.window_handle; swi(Wimp_GetWindowState, 0, block); block[2] = y; block[3] = x; ro_open_main(block); width = (block[3] - block[1]); height = (block[4] - block[2]); swi(Wimp_ForceRedraw, gui.window_handle, 0, -height, width, 0); gui_resize_shell(width, height); } else { block[0] = gui.window_handle; swi(Wimp_GetWindowState, 0, block); gui_send_mouse_event( MOUSE_RELEASE, x - block[1], block[4] - y, FALSE, /* not a double click */ drag_modifiers); } ro_dragging = DRAG_FALSE; } /* Load the file/pathname given in block into a [new] buffer. * * Modifier Action * * None :confirm e <file> * Ctrl :sp <file> * Shift <file> * * Insert into typebuf, at the start. * If loading from !Scrap then use saved leafname instead, and * delete the scrap file. Also, ignore shift key. * * NB: Doesn't send DataLoadAck (other app might delete temp file?). */ void ro_dataload(block) int *block; { char_u new_path[MAXPATHL]; char_u *path = ((char_u *) block) + 44; int scrap = FALSE; if (block[3] == leaf_ref && leaf_name) scrap = TRUE; switch (get_real_state() & 0xff) { case INSERT: case CMDLINE: case CMDLINE+LANGMAP: /* For insert mode we can only insert the pathname (currently) * Make sure Shift is pressed. */ swi(OS_Byte, 121, 0x80); /* Is Shift pressed? */ if (r1 == 0xff) { ins_typebuf(" ", REMAP_NONE, 0, TRUE, FALSE); ins_typebuf(path, REMAP_NONE, 0, TRUE, FALSE); ro_return_early = TRUE; /* Return even though nothing was typed. */ } else swi(Wimp_ReportError, "\0\0\0\0Sorry, you can only load text in normal mode", 5, "Vim"); break; case NORMAL: ro_return_early = TRUE; /* Return even though nothing was typed. */ if (scrap) /* Remove <Wimp$Scrap>. Later. */ ins_typebuf(":!~remove <Wimp$Scrap>\r", REMAP_NONE, 0, TRUE, FALSE); /* Insert {:sp ,:confirm e }[+f\ <leaf> ]<file><CR> */ ins_typebuf("\r", REMAP_NONE, 0, TRUE, FALSE); ins_typebuf(path, REMAP_NONE, 0, TRUE, FALSE); ins_typebuf(" ", REMAP_NONE, 0, TRUE, FALSE); if (scrap) { /* Loading via !Scrap - change pathname to stored leafname */ ins_typebuf(leaf_name, REMAP_NONE, 0, TRUE, FALSE); ins_typebuf(" +f\\ ", REMAP_NONE, 0, TRUE, FALSE); leaf_ref = 0; vim_free(leaf_name); leaf_name = NULL; } swi(OS_Byte, 121, 0x81); /* Is Ctrl pressed? */ if (r1 == 0xff) /* Yes, split window */ ins_typebuf(":sp", REMAP_NONE, 0, TRUE, FALSE); else ins_typebuf(":confirm e", REMAP_NONE, 0, TRUE, FALSE); break; default: swi(Wimp_ReportError, "\0\0\0\0You can only load text in normal mode.", 5, "Vim"); } /* Send DataSaveAck so other program doesn't think we died * and delete <Wimp$Scrap>. */ block[3] = block[2]; block[4] = 4; swi(Wimp_SendMessage, 17, block, block[1]); } void ro_datasave(block) int *block; { char_u *path = ((char_u *) block) + 44; /* Preserve the name given so we can use it, not <Wimp$Scrap> */ if (leaf_name) vim_free(leaf_name); leaf_name = vim_strsave(path); block[9] = -1; /* File is unsafe. */ strcpy(path, "<Wimp$Scrap>"); block[0] = 60; block[3] = block[2]; block[4] = 2; swi(Wimp_SendMessage, 17, block, block[1]); leaf_ref = block[2]; } void ro_message(block) int *block; { char_u *buffer; long_u len; if (block[1] == task_handle) return; /* Don't talk to ourself! */ switch (block[4]) { case 0: /* Quit. */ if (block[4] == 0) ro_quit(); break; case 1: /* DataSave */ ro_datasave(block); break; case 2: /* DataSaveAck. */ if (clip_convert_selection(&buffer, &len, &clip_star) == -1) return; /* Save the clipboard contents to a file. */ swi(OS_File, 10, ((char_u *) block) + 44, 0xfff, 0, buffer, buffer + len); /* Ack with DataLoad message. */ block[3] = block[2]; block[4] = 3; block[9] = len; swi(Wimp_SendMessage, 17, block, block[1]); vim_free(buffer); break; case 3: /* DataLoad */ ro_dataload(block); break; case 8: /* PreQuit */ ro_prequit(block); break; case 0xf: /* Lose clipboard. */ if (block[5] & 4) { clip_free_selection(&clip_star); clip_star.owned = FALSE; } break; case 0x10: /* DataRequest (clip_star) */ if (clip_star.owned) { int rows; /* Tell other program that we have the clipboard. */ block[0] = 52; block[3] = block[2]; /* Copy myref to yourref. */ block[4] = 1; /* DataSave message. */ /* Create an estimate for the size (larger or same as true * value) */ rows = clip_star.end.lnum - clip_star.start.lnum; if (rows < 0) rows = -rows; block[9] = (rows + 1) * Columns + 1; /* Add one for possible final newline. */ block[10] = 0xfff; /* Clipboard is text. */ strcpy( ((char_u *) block) + 44, "VimClip"); swi(Wimp_SendMessage, 17, block, block[1]); } break; case 0x400c1: /* Mode change */ changed_mode = TRUE; /* Flag - update on next OpenWindow */ if (zap_redraw) { /* JK230798, re-initialise ZapRedraw stuff */ if (ro_zap_redraw_initialise() == FAIL) zap_redraw = FALSE; } break; case 0x400c3: /* TaskCloseDown */ if (block[1] == child_handle) child_handle = 0; break; } } /* * Converts a scrollbar's window handle into a scrollbar pointer. * NULL on failure. */ scrollbar_T * ro_find_sbar(id) int id; { win_T *wp; if (gui.bottom_sbar.id == id) return &gui.bottom_sbar; FOR_ALL_WINDOWS(wp) { if (wp->w_scrollbars[SBAR_LEFT].id == id) return &wp->w_scrollbars[SBAR_LEFT]; if (wp->w_scrollbars[SBAR_RIGHT].id == id) return &wp->w_scrollbars[SBAR_RIGHT]; } return NULL; } void scroll_to(line, sb) int sb; /* Scrollbar number */ int line; { char_u code[8]; /* Don't put events in the input queue now. */ if (hold_gui_events) return; /* Send a scroll event: * * A scrollbar event is CSI (NOT K_SPECIAL), KS_VER_SCROLLBAR, * KE_FILLER followed by: * one byte representing the scrollbar number, and then four bytes * representing a long_u which is the new value of the scrollbar. */ code[0] = CSI; code[1] = KS_VER_SCROLLBAR; code[2] = KE_FILLER; code[3] = sb; code[4] = line >> 24; code[5] = line >> 16; code[6] = line >> 8; code[7] = line; add_to_input_buf(code, 8); } void h_scroll_to(col) int col; { char_u code[8]; /* Don't put events in the input queue now. */ if (hold_gui_events) return; /* Send a scroll event: * * A scrollbar event is CSI (NOT K_SPECIAL) * * A horizontal scrollbar event is K_SPECIAL, KS_HOR_SCROLLBAR, * KE_FILLER followed by four bytes representing a long_u which is the * new value of the scrollbar. */ code[0] = CSI; code[1] = KS_HOR_SCROLLBAR; code[2] = KE_FILLER; code[4] = col >> 24; code[5] = col >> 16; code[6] = col >> 8; code[7] = col; add_to_input_buf(code, 8); } void ro_scroll(block) int *block; { scrollbar_T *sb; int offset; win_T *wp; /* Block is ready for Wimp_OpenWindow, and also contains: * * +32 = scroll X direction (-2 .. +2) * +36 = scroll Y direction (-2 .. +2) */ sb = ro_find_sbar(block[0]); if (!sb) return; /* Window not found (error). */ wp = sb-> wp; if (wp == NULL) { /* Horizontal bar. */ offset = block[8]; if (offset == -2) offset = (block[1] - block[3]) / gui.char_width; else if (offset == 2) offset = (block[3] - block[1]) / gui.char_width; block[5] += offset * gui.char_width; gui_drag_scrollbar(sb, block[5] / gui.char_width, FALSE); swi(Wimp_OpenWindow, 0, block); } else { offset = -block[9]; if (offset == -2) offset = -(wp -> w_height - 1); else if (offset == 2) offset = wp -> w_height - 1; /* Possibly we should reposition the scrollbar? * Vim seems to update the bar anyway... */ gui_drag_scrollbar(sb, offset - (block[6] / gui.char_height), FALSE); } } /* Move a window by a given offset. Used to simulate the function of the * nested wimp. */ void ro_move_child(window, x, y, pos_wanted, pos_got) int window; int x,y; /* offset to move by */ int pos_wanted, pos_got; { int block[10]; block[0] = window; swi(Wimp_GetWindowState, 0, block); block[1] += x; block[2] += y; block[3] += x; block[4] += y; if (pos_wanted == -1) block[7] = -1; else if (pos_wanted == -2) block[7] = pos_got; swi(Wimp_OpenWindow, 0, block); } /* Open the main window. Also updates scrollbars if we are not * using the nested Wimp. * If we have just changed mode then re-read all values. */ void ro_open_main(block) int *block; { int toggle_size; /* Find out if the user clicked on the toggle size icon. */ block[20] = block[0]; swi(Wimp_GetWindowState, 0, block + 20); toggle_size = block[28] & (1 << 19); if (nested_wimp) { swi(Wimp_OpenWindow, 0, block); } else { int old[10]; int x_offset, y_offset; /* Move children same as parent. */ int pos_wanted, pos_got; int left_bar = gui.which_scrollbars[SBAR_LEFT]; int right_bar = gui.which_scrollbars[SBAR_RIGHT]; win_T *wp; /* Three cases to think about: * 1) Move to top. Open each window at the top. * 2) Same stack position. Open each with same position. * 3) Open at bottom. Open children with parent's new position. */ old[0] = block[0]; swi(Wimp_GetWindowState, 0, old); pos_wanted = block[7]; swi(Wimp_OpenWindow, 0, block); /* Block updated by OpenWindow? I don't think so! */ swi(Wimp_GetWindowState, 0, block); pos_got = block[7]; x_offset = block[1] - old[1]; y_offset = block[4] - old[4]; if (x_offset || y_offset || pos_wanted == -1 || pos_wanted == -2) { /* If parent has moved, re-open all the child windows. */ FOR_ALL_WINDOWS(wp) { /* Reopen scrollbars for this window. */ if (left_bar) ro_move_child(wp -> w_scrollbars[SBAR_LEFT].id, x_offset, y_offset, pos_wanted, pos_got); if (right_bar) ro_move_child(wp -> w_scrollbars[SBAR_RIGHT].id, x_offset, y_offset, pos_wanted, pos_got); } } } if (changed_mode || toggle_size) { int width, height; if (changed_mode) ro_measure_tools(); block[0] = gui.window_handle; swi(Wimp_GetWindowState, 0, block); width = block[3] - block[1]; height = block[4] - block[2]; swi(Wimp_ForceRedraw, gui.window_handle, 0, -height, width, 0); gui_resize_shell(width, height); changed_mode = FALSE; } } void ro_open_window(block) int *block; { int pos; scrollbar_T *sb; if (block[0] == gui.window_handle) ro_open_main(block); else { swi(Wimp_OpenWindow, 0, block); if (block[0] != gui.window_handle) { sb = ro_find_sbar(block[0]); if (sb) { if (sb-> wp != NULL) gui_drag_scrollbar(sb, -block[6] / gui.char_height, FALSE); else gui_drag_scrollbar(sb, block[5] / gui.char_width, FALSE); } } } } void ro_menu_selection(block) int *block; { int *item = wimp_menu + 7; vimmenu_T *menu; /* wimp_menu points to a wimp menu structure */ for (;;) { while (block[0]--) item += 6; if (block[1] == -1) break; item = ((int *) item[1]) + 7; block++; } /* item points to the wimp menu item structure chosen */ menu = (vimmenu_T *) item[5]; swi(Wimp_GetPointerInfo, 0, block); if (block[2] == 1) /* Adjust used - keep menu open */ swi(Wimp_CreateMenu, 0, wimp_menu); if (menu-> cb) menu-> cb(menu); } void ro_open_parent() { int head; char_u *i = curbuf-> b_ffname; char_u buffer[256]; head = 0; for (; *i; i++) { if (*i == '.') head = i - curbuf-> b_ffname; } /* Append head chars to buffer */ if (head < 240 && curbuf-> b_ffname && head) { strcpy(buffer, "%filer_opendir "); strncpy(buffer + 15, curbuf-> b_ffname, head); buffer[15 + head] = '\0'; swi(OS_CLI, buffer); } } void process_event(event, block) int event; int *block; { switch (event) { case 0: /* Nothing - update drag state. */ if (ro_dragging) ro_continue_drag(block); break; case 1: /* Redraw window. */ redraw_window(block); break; case 2: /* Open window. */ ro_open_window(block); break; case 3: /* Close window. */ swi(Wimp_GetPointerInfo, 0, block + 1); if (block[3] == 1) ro_open_parent(); else if (ro_ok_to_quit()) ro_quit(); break; case 6: /* Mouse click. */ ro_mouse(block); break; case 7: /* Finished drag. */ ro_drag_finished(block); break; case 8: /* Key pressed. */ ro_insert_key((char_u *) &block[6]); break; case 9: ro_menu_selection(block); break; case 10: /* Scroll request. */ ro_scroll(block); break; case 11: /* Lose caret. */ if (block[0] == gui.window_handle) gui_focus_change(FALSE); break; case 12: /* Gain caret. */ if (block[0] == gui.window_handle) gui_focus_change(TRUE); break; case 17: /* User message. */ case 18: /* User message recorded. */ ro_message(block); break; } } /* * 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 block[64]; int reason; int start_time = -1; int ctime = wtime / 10; /* delay in cs */ if (wtime != -1) { swi(OS_ReadMonotonicTime); start_time = r0; } for (;;) { if (ro_dragging) reason = wimp_poll(0, block); /* Always return immediately */ else if (wtime == -1) reason = wimp_poll(1, block); else reason = wimp_pollidle(0, block, start_time + ctime); process_event(reason, block); if (input_available() || ro_return_early) { ro_return_early = FALSE; return OK; /* There is something to process (key / menu event) */ } if (wtime != -1) { swi(OS_ReadMonotonicTime); if (r0 - start_time > ctime) return FAIL; /* We've been waiting too long - return failure */ } } } /* Flush any output to the screen */ void gui_mch_flush(void) { } /* * 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) { swi(ColourTrans_ReturnGCOL, gui.back_pixel << 8, 0, 0, 1<<7, 0); plot_rectangle(96 + 5, r0, FILL_X(col1), -FILL_Y(row2 + 1), FILL_X(col2 + 1), -FILL_Y(row1)); } void gui_mch_clear_all(void) { if (redraw_block) { swi(ColourTrans_SetGCOL, gui.back_pixel << 8, 0, 0, 1<<7, 0); swi(OS_WriteI + 16); } else { int block[44]; block[0] = gui.window_handle; block[1] = 0; block[2] = -gui.num_rows * gui.char_height; block[3] = gui.num_cols * gui.char_width; block[4] = 0; swi(Wimp_UpdateWindow, 0, block); while (r0) { swi(ColourTrans_SetGCOL, gui.back_pixel << 8, 0, 0, 1<<7, 0); swi(OS_WriteI + 16); swi(Wimp_GetRectangle, 0, block); } } } /* * 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) { int top_from = -row - num_lines; int bot_from = -gui.scroll_region_bot - 1; int bot_to = bot_from + num_lines; swi(ColourTrans_SetGCOL, gui.back_pixel << 8, 0, 0, 0x80, 0); /* Changed without checking! */ swi(Wimp_BlockCopy, gui.window_handle, gui.scroll_region_left * gui.char_width, bot_from * gui.char_height, (gui.scroll_region_right - gui.scroll_region_left + 1) * gui.char_width, top_from * gui.char_height, gui.scroll_region_left * gui.char_width, bot_to * gui.char_height); gui_clear_block(gui.scroll_region_bot - num_lines + 1, gui.scroll_region_left, gui.scroll_region_bot, gui.scroll_region_right); } /* * 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) { int top_from = -row; int bot_to = -gui.scroll_region_bot - 1; int bot_from = bot_to + num_lines; swi(ColourTrans_SetGCOL, gui.back_pixel << 8, 0, 0, 0x80, 0); swi(Wimp_BlockCopy, gui.window_handle, gui.scroll_region_left * gui.char_width, bot_from * gui.char_height, (gui.scroll_region_right - gui.scroll_region_left + 1) * gui.char_width, top_from * gui.char_height, gui.scroll_region_left * gui.char_width, bot_to * gui.char_height); gui_clear_block(row, gui.scroll_region_left, row + num_lines - 1, gui.scroll_region_right); } /* Put selection in clipboard buffer. * Should we become the new owner? */ void clip_mch_request_selection(VimClipboard *cbd) { int block[64]; /* Will be used in Wimp_Poll. */ int reason; char_u *buffer; long_u length; block[0] = 48; /* Size of block. */ block[3] = 0; /* Orinial message. */ block[4] = 0x10; /* Data request. */ block[5] = gui.window_handle; block[6] = RO_LOAD_CLIPBOARD; /* Internal handle. */ block[7] = block[8] = 0; /* (x,y) not used. */ block[9] = 4; block[10] = 0xfff; /* We want text files if possible, I think. */ block[11] = -1; /* End of list. */ swi(Wimp_SendMessage, 17, block, 0); /* Broadcast request. */ /* OK, we've sent the request. Poll until we get a null poll (failure) or * we load the clipboard. * If we receive a DataSave event with icon handle = -2 then put it on the * clipboard. RISC OS should ensure that key events will not be delivered * until the clipboard operation completes (unless the owner starts idling * - we can't wait forever!). */ for (;;) { reason = wimp_poll(0, block); if (reason == 0) return; /* Failed to get clipboard. */ if ((reason == 17 || reason == 18) && block[4] == 1 && block[6] == RO_LOAD_CLIPBOARD) break; /* Got it - stop waiting. */ process_event(reason, block); if (ro_return_early) return; } /* Tell owner to save data in <Wimp$Scrap>. */ block[0] = 60; block[3] = block[2]; /* Copy myref -> yourref */ block[4] = 2; /* DataSaveAck. */ block[9] = -1; /* Data is unsafe. */ strcpy( ((char_u *) block) + 44, "<Wimp$Scrap>"); swi(Wimp_SendMessage, 17, block, block[1]); /* Wait again for reply. */ for (;;) { reason = wimp_poll(0, block); if (reason == 0) return; /* Other program has given up! */ if ((reason == 17 || reason == 18) && block[4] == 3 && block[6] == RO_LOAD_CLIPBOARD) break; /* Clipboard data saved to <Wimp$Scrap> */ process_event(reason, block); if (ro_return_early) return; } /* <Wimp$Scrap> contains clipboard - load it. */ if (xswi(OS_File, 17, "<Wimp$Scrap>") & v_flag) return; /* Error! */ if (r0 != 1 && r0 != 3) return; length = r4; buffer = lalloc(length, TRUE); /* Claim memory (and report errors). */ if (buffer == NULL) return; if (xswi(OS_File, 16, "<Wimp$Scrap>", buffer, 0) & v_flag) return; clip_yank_selection(MCHAR, buffer, length, cbd); vim_free(buffer); swi(OS_FSControl, 27, "<Wimp$Scrap>", 0, 0); /* Delete temp file. */ block[4] = 4; /* Send DataLoadAck. */ block[3] = block[2]; /* Copy myref -> yourref. */ swi(Wimp_SendMessage, 17, block, block[1]); } /* Not sure what this means under RISC OS. */ void clip_mch_lose_selection(VimClipboard *cbd) { } /* Tell everyone that we now own the clipboard. * Return OK if our claim is accepted (always, under RISC OS) */ int clip_mch_own_selection(VimClipboard *cbd) { int block[6]; block[0] = 24; /* Length of block. */ block[3] = 0; /* Original message. */ block[4] = 0xf; /* ClaimEntity. */ block[5] = 0x4; /* Claim clipboard only. */ swi(Wimp_SendMessage, 17, block, 0); return OK; } /* * Send the current selection to the clipboard. Do nothing for X because we * will fill in the selection only when requested by another app. Sounds good * for RISC OS too. */ void clip_mch_set_selection(VimClipboard *cbd) { clip_get_selection(cbd); } /* * Make a menu either grey or not grey. */ void gui_mch_menu_grey(vimmenu_T *menu, int grey) { menu-> greyed_out = grey; } /* * Make menu item hidden or not hidden */ void gui_mch_menu_hidden(vimmenu_T *menu, int hidden) { menu-> hidden = hidden; } /* * This is called after setting all the menus to grey/hidden or not. */ void gui_mch_draw_menubar(void) { swi(Wimp_CreateMenu, 0, -1); if (wimp_menu != (int *) -1) { ro_remove_menu(wimp_menu); wimp_menu = (int *) -1; } } /* Add or remove a scrollbar. Note that this is only called when * the scrollbar state is changing. * The scroll bar window has already been created. * We can't do anything except remove the scroll bar * until we know what size to use. */ void gui_mch_enable_scrollbar(sb, flag) scrollbar_T *sb; int flag; { if (!flag) swi(Wimp_CloseWindow, 0, & (sb->id) ); return; } void gui_mch_set_blinking(long waittime, long on, long off) { } /* * Stop the cursor blinking. Show the cursor if it wasn't shown. */ void gui_mch_stop_blink(void) { } /* * Start the cursor blinking. If it was already blinking, this restarts the * waiting time and shows the cursor. */ void gui_mch_start_blink(void) { } /* * Return the RGB value of a pixel as a long. */ long_u gui_mch_get_rgb(guicolor_T pixel) { return (long_u)pixel; } void gui_mch_set_text_area_pos(int x, int y, int w, int h) { } void gui_mch_enable_menu(int flag) { } void gui_mch_set_menu_pos(int x, int y, int w, int h) { } void gui_mch_add_menu(vimmenu_T *menu, int idx) { } void gui_mch_add_menu_item(vimmenu_T *menu, int idx) { } void gui_mch_new_menu_colors(void) { } void gui_mch_destroy_menu(vimmenu_T *menu) { } /* Size of buffer has changed. * Add one to max since gui.c substracts one more than it should! */ void gui_mch_set_scrollbar_thumb(sb, val, size, max) scrollbar_T *sb; long val; long size; long max; { int block[10], width, height; width = (max + 1) * gui.char_width; height = (max + 1 + W_STATUS_HEIGHT(sb->wp)) * gui.char_height; block[0] = block[3] = 0; block[1] = -height + (1 << y_eigen_factor); block[2] = width; swi(Wimp_SetExtent, sb -> id, block); block[0] = sb -> id; swi(Wimp_GetWindowState, 0, block); block[5] = val * gui.char_width; block[6] = -val * gui.char_height; swi(Wimp_OpenWindow, 0, block, 0x4b534154, gui.window_handle, /* Parent window handle. */ (CHILD_FIX_TO_RIGHT << CHILD_LEFT ) | (CHILD_FIX_TO_RIGHT << CHILD_RIGHT ) | (CHILD_FIX_TO_BOTTOM << CHILD_TOP ) | (CHILD_FIX_TO_BOTTOM << CHILD_BOTTOM) | (CHILD_SELF_SCROLL << CHILD_SCROLL_X) | (CHILD_SELF_SCROLL << CHILD_SCROLL_Y) ); } /* Set the position of the scrollbar within the editor * window. Note that, for vertical scrollbars, x and w * are ignored. For horizontal bars y and h are ignored. */ void gui_mch_set_scrollbar_pos(sb, x, y, w, h) scrollbar_T *sb; int x; /* Horizontal sb position */ int y; /* Top of scroll bar */ int w; /* Width */ int h; /* Height */ { int block[24]; int px1, py1; /* Parent window min coords */ int px2, py2; /* Parent window max coords */ /* Find where the parent window is. */ block[0] = gui.window_handle; swi(Wimp_GetWindowState, 0, block); px1 = block[1]; py1 = block[2]; px2 = block[3]; py2 = block[4]; block[0] = sb -> id; /* Find out how big the scroll window is at the moment. */ swi(Wimp_GetWindowInfo, 0, ((char_u *)block) + 1); if (block[13] < w || block[12] > -h) { /* Current window is too small! */ if (block[12] > -h) block[12] = -h; if (block[13] < w) block[13] = w; swi(Wimp_SetExtent, block[0], block + 11); } /* This works better on the nested_wimp. */ if (sb-> wp) { /* This is a vertical scrollbar. */ block[1] = block[3] = px2 - gui.scrollbar_width + (1 << x_eigen_factor); block[2] = 1 + py2 - (y + h) + (1 << y_eigen_factor); block[4] = 1 + py2 - y; } else { /* This is a horizontal scrollbar. */ block[2] = block[4] = py1 + gui.scrollbar_height; block[1] = px1; block[3] = px2 - gui.scrollbar_width; } block[5] = 0; block[6] = 0; block[7] = -1; swi(Wimp_OpenWindow, 0, block, 0x4b534154, gui.window_handle, /* Parent window handle. */ (CHILD_FIX_TO_RIGHT << CHILD_LEFT ) | (CHILD_FIX_TO_RIGHT << CHILD_RIGHT ) | (CHILD_FIX_TO_BOTTOM << CHILD_TOP ) | (CHILD_FIX_TO_BOTTOM << CHILD_BOTTOM) | (CHILD_SELF_SCROLL << CHILD_SCROLL_X) | (CHILD_SELF_SCROLL << CHILD_SCROLL_Y) ); } /* Create a window with no workarea to place inside editor window. * (what happens without the nested wimp?) * Data for scrollbar is invalid. */ void gui_mch_create_scrollbar(sb, orient) scrollbar_T *sb; int orient; /* orient is SBAR_HORIZ or SBAR_VERT */ { int bar[] = { 0, 0, /* Visible area : min X,Y */ 100, 100, /* max X,Y */ 0, 0, /* Scroll offsets */ -1, /* Window in front */ 0x80800150 | (orient == SBAR_HORIZ ? (1 << 30) : (1 << 28)), 0xff070207, /* Colours */ 0x000c0103, /* More colours */ 0, -0x4000, /* Workarea extent */ 0x4000, 0, /* max X,Y */ 0x00000000, /* No title */ 0 << 12, /* No workarea button type */ 1, /* Wimp sprite area */ 0x00010001, /* Minimum width, height */ 0, 0, 0, /* Title data (none) */ 0 /* No icons */ }; swi(Wimp_CreateWindow, 0, bar); sb -> id = r0; } #if defined(FEAT_WINDOWS) || defined(PROTO) void gui_mch_destroy_scrollbar(scrollbar_T *sb) { swi(Wimp_DeleteWindow, 0, & (sb->id)); sb -> id = -1; } #endif void gui_mch_set_scrollbar_colors(scrollbar_T *sb) { /* Always use default RO colour scheme. */ } /* * Get current mouse coordinates in text window. * Note: (0,0) is the bottom left corner, positive y is UP. */ void gui_mch_getmouse(x, y) int *x; int *y; { int left; int top; int block[10]; block[0] = gui.window_handle; swi(Wimp_GetWindowState, 0, block); left = block[1]; top = block[4]; swi(Wimp_GetPointerInfo, 0, block); *x = block[0] - left; *y = top - block[1]; } /* MouseTo(x, y) */ void gui_mch_setmouse(x, y) int x; int y; { } void gui_mch_toggle_tearoffs(enable) int enable; { /* no tearoff menus */ } /* Redraw a window's title. * For the nested wimp we use the new 'redraw-title-bar' reason code. * For older wimps we mark the area of the screen where the title bar * is as invalid. */ void ro_redraw_title(window) int window; { if (nested_wimp) { swi(Wimp_ForceRedraw, window, 0x4b534154, 3); } else { int block[10]; int miny; block[0] = window; swi(Wimp_GetWindowState, 0, block); miny = block[4]; swi(Wimp_GetWindowOutline, 0, block); swi(Wimp_ForceRedraw, -1, block[1], miny, block[3], block[4]); } } /* Turn a vimmenu_T structure into a wimp menu structure. * -1 if resulting menu is empty. * Only the children and dname items in the root menu are used. */ int * ro_build_menu(menu) vimmenu_T *menu; { int *wimp_menu; int width = 4; int w; int size = 28; vimmenu_T *item; int *wimp_item; /* Find out how big the menu is so we can allocate memory for it */ for (item = menu-> children; item; item = item-> next) { if (item-> hidden == FALSE && !menu_is_separator(item->name)) size += 24; } if (size <= 28) return (int *) -1; /* No children - shouldn't happen */ wimp_menu = (int *) alloc(size); wimp_menu[0] = (int) menu-> dname; wimp_menu[1] = -1; wimp_menu[2] = 0; wimp_menu[3] = 0x00070207; wimp_menu[5] = 44; wimp_menu[6] = 0; wimp_item = wimp_menu + 7; for (item = menu-> children; item; item = item-> next) { if (menu_is_separator(item-> name)) { /* This menu entry is actually a separator. If it is not the first * menu entry then mark the previous menu item as needing a dotted * line after it. */ if (wimp_item > wimp_menu + 7) wimp_item[-6] |= 0x2; } else if (item-> hidden == FALSE) { wimp_item[0] = 0; wimp_item[1] = item-> children ? (int) ro_build_menu(item) : -1; wimp_item[2] = 0x07009131 | (item-> greyed_out << 22); wimp_item[3] = (int) item-> dname; wimp_item[4] = -1; wimp_item[5] = (int) item; /* Stuff the menu address in this unused space */ w = strlen(item-> dname) + 1; if (w > width) width = w; wimp_item += 6; } } wimp_menu[4] = (width + 2) * 16; wimp_menu[7] |= 0x100; /* Menu title is indirected */ wimp_item[-6] |= 0x080; /* Last entry in menu */ return wimp_menu; } static void ro_remove_menu(menu) int *menu; { int *item = menu + 7; if (menu == NULL || menu == (int *) -1) return; for (;;) { if (item[1] != -1) ro_remove_menu((int *) item[1]); /* Remove sub-menu */ if (item[0] & 0x80) break; /* This was the last entry */ item += 6; } vim_free(menu); } void gui_mch_show_popupmenu(menu) vimmenu_T *menu; { int block[10]; /* Remove the existing menu, if any */ if (wimp_menu != (int *) -1) { swi(Wimp_CreateMenu, 0, -1); ro_remove_menu(wimp_menu); wimp_menu = (int *) -1; } wimp_menu = ro_build_menu(menu); if (wimp_menu != (int *) -1) { swi(Wimp_GetPointerInfo, 0, block); swi(Wimp_CreateMenu, 0, wimp_menu, block[0] - 64, block[1] + 64); } } /* Run a command using the TaskWindow module. * If SHELL_FILTER is set then output is not echoed to the screen, * If it is not set, then \r is not sent to the output file. */ int gui_mch_call_shell(cmd, options) char_u *cmd; int options; /* SHELL_FILTER if called by do_filter() */ /* SHELL_COOKED if term needs cooked mode */ { char_u task_cmd[256]; /* Contains *TaskWindow command. */ int block[64]; int reason; char_u *out; char_u c; int old_msg_col; char_u *out_redir; int length; FILE *out_file = NULL; out_redir = strstr(cmd, " > "); if (out_redir == NULL) length = strlen(cmd); /* No redirection. */ else { length = out_redir - cmd; out_file = fopen(out_redir + 3, "wb"); if (out_file == NULL) smsg("WARNING : Can't open file %s for writing\n", out_redir + 3); } if (length > 180) { if (out_file) fclose(out_file); return FAIL; /* Command too long. */ } strcpy(task_cmd, "TaskWindow \""); strncpy(task_cmd + 12, cmd, length); sprintf(task_cmd + 12 + length, "\" -task &%08x -ctrl -quit -name \"Vim command\"", task_handle); if (options & SHELL_COOKED) settmode(TMODE_COOK); if (xswi(Wimp_StartTask, task_cmd) & v_flag) { /* Failed to even start a new task (out of memory?) */ settmode(TMODE_RAW); if (out_file) fclose(out_file); return FAIL; } /* Wait for the child process to initialise. */ child_handle = 0; while (!child_handle) { reason = wimp_poll(0, block); if ((reason == 17 || reason == 18) && block[4] == 0x808c2) child_handle = block[1]; else process_event(reason, block); } /* Block until finished */ while (child_handle) { reason = wimp_poll(1, block); if (reason == 3 || (reason == 8 && block[6] == 3)) { /* Close window request or CTRL-C - kill child task. */ block[0] = 20; block[3] = 0; block[4] = 0x808c4; /* Morite */ swi(Wimp_SendMessage, 17, block, child_handle); MSG_PUTS(_("\nSending message to terminate child process.\n")); continue; } else if (reason == 8) { block[0] = 28; block[3] = 0; block[4] = 0x808c0; /* Input */ block[5] = 1; /* Block[6] is OK as it is! */ swi(Wimp_SendMessage, 17, block, child_handle); continue; } else if (reason == 17 || reason == 18) { if (block[4] == 0x808c1) { /* Ack message. */ block[3] = block[2]; swi(Wimp_SendMessage, 19, block, block[1]); out = (char_u *)block + 24; old_msg_col = msg_col; while (block[5]--) { c = *out++; if (out_file && (c != '\r' || (options & SHELL_FILTER))) fputc(c, out_file); if ((options & SHELL_FILTER) == 0) { if (c == 127) msg_puts("\b \b"); else if (c > 31) msg_putchar(c); else if (c == 10) { lines_left = 8; /* Don't do More prompt! */ msg_putchar(10); } } } /* Flush output to the screen. */ windgoto(msg_row, msg_col); out_flush(); continue; } } process_event(reason, block); } msg_putchar('\n'); settmode(TMODE_RAW); if (out_file) fclose(out_file); return OK; } /* Like strsave(), but stops at any control char */ char_u * wimp_strsave(str) char *str; { int strlen = 0; char_u *retval; while (str[strlen] > 31) strlen++; retval = alloc(strlen + 1); if (retval) { memcpy(retval, str, strlen); retval[strlen] = '\0'; } return retval; } /* If we are saving then pop up a standard RISC OS save box. * Otherwise, open a directory viewer on the given directory (and return NULL) * The string we return will be freed later. */ char_u * gui_mch_browse(saving, title, dflt, ext, initdir, filter) int saving; /* write action */ char_u *title; /* title for the window */ char_u *dflt; /* default file name */ char_u *ext; /* extension added */ char_u *initdir; /* initial directory, NULL for current dir */ char_u *filter; /* file name filter */ { char command[256]; int length; if (saving) { int block[64]; int reason; int done_save = FALSE; char_u *retval = NULL; char_u *sprname; char_u *fname; int dragging_icon = FALSE; int filetype; if (!dflt) dflt = "TextFile"; block[0] = save_window; block[1] = 0; swi(Wimp_GetIconState, 0, block); sprname = ((char_u *) block[7]); block[1] = 1; swi(Wimp_GetIconState, 0, block); fname = ((char *) block[7]); strncpy(fname, dflt, 255); if (xswi(OS_FSControl, 31, curbuf->b_p_oft) & v_flag) { filetype = 0xfff; strcpy(sprname + 5, "xxx"); } else { filetype = r2; sprintf(sprname + 5, "%03x", filetype); } /* Open the save box */ swi(Wimp_GetPointerInfo, 0, block); swi(Wimp_CreateMenu, 0, save_window, block[0] - 64, block[1] + 64); swi(Wimp_SetCaretPosition, save_window, 1, 0, 0, -1, -1); while (!done_save) { reason = wimp_poll(1, block); switch (reason) { case 1: redraw_window(block); break; case 2: if (block[0] == save_window) swi(Wimp_OpenWindow, 0, block); else ro_open_window(block); break; case 3: done_save = TRUE; break; case 6: if (block[3] != save_window) done_save = TRUE; else { int drag_box[4]; int min_x, max_y; switch (block[4]) { case 0: /* Start drag */ block[0] = save_window; swi(Wimp_GetWindowState, 0, block); min_x = block[1]; max_y = block[4]; block[1] = 0; swi(Wimp_GetIconState, 0, block); drag_box[0] = block[2] + min_x; drag_box[1] = block[3] + max_y; drag_box[2] = block[4] + min_x; drag_box[3] = block[5] + max_y; swi(DragASprite_Start, 0x45, 1, sprname, drag_box); dragging_icon = TRUE; break; case 2: /* OK */ retval = wimp_strsave(fname); done_save = TRUE; break; case 3: /* Cancel */ done_save = TRUE; break; } } break; case 7: if (dragging_icon) { int len = 0; dragging_icon = FALSE; swi(Wimp_GetPointerInfo, 0, block); block[5] = block[3]; block[6] = block[4]; block[7] = block[0]; block[8] = block[1]; block[9] = 0; /* Don't know the size */ block[10] = filetype; while (fname[len] > 31) { if (fname[len] == '.') { fname += len + 1; len = 0; } else len++; } if (len > 211) len = 211; memcpy(((char_u *) block) + 44, fname, len); ((char_u *)block)[44 + len] = '\0'; block[0] = (len + 48) & 0xfc; block[3] = 0; block[4] = 1; /* DataSave */ swi(Wimp_SendMessage, 17, block, block[5], block[6]); } else ro_drag_finished(block); break; case 8: if (block[6] == 13) { retval = wimp_strsave(fname); done_save = TRUE; } else if (block[6] == 0x1b) done_save = TRUE; else swi(Wimp_ProcessKey, block[6]); break; case 17: case 18: if (block[4] == 2 && block[9] != -1) { /* DataSaveAck from dragging icon. */ retval = wimp_strsave(((char_u *) block) + 44); done_save = TRUE; } else if (block[4] == 0x400c9) { /* MenusDeleted */ done_save = TRUE; } else ro_message(block); break; } } block[0] = save_window; swi(Wimp_CloseWindow, 0, block); swi(Wimp_GetCaretPosition, 0, block); if (block[0] == -1) swi(Wimp_SetCaretPosition, gui.window_handle, -1, 0, 0, -1, -1); return retval; } else if (initdir) { /* Open a directory viewer */ length = strlen(initdir); if (length > 240) return NULL; /* Path too long! */ length = sprintf(command, "Filer_OpenDir %s", initdir); while (command[length - 1] == '.') length--; command[length] = '\0'; swi(OS_CLI, command); } return NULL; }