filename | src/gtkui/gtkui.c |
changeset | 1123:b072c961c729 |
prev | 1098:4f2750753a6c |
author | nkeynes |
date | Mon Jan 30 20:11:08 2012 +1000 (12 years ago) |
permissions | -rw-r--r-- |
last change | Replace wordexp() with a hand-coded env-var substitution. More portable, and avoids bugs with some wordexp() implementations |
view | annotate | diff | log | raw |
1 /**
2 * $Id$
3 *
4 * Core GTK-based user interface
5 *
6 * Copyright (c) 2005 Nathan Keynes.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
19 #include <time.h>
20 #include <stdlib.h>
21 #include <unistd.h>
22 #include <sys/time.h>
23 #include <gtk/gtkversion.h>
24 #include "lxdream.h"
25 #include "dreamcast.h"
26 #include "dream.h"
27 #include "display.h"
28 #include "gdrom/gdrom.h"
29 #include "gtkui/gtkui.h"
31 void gtk_gui_start( void );
32 void gtk_gui_stop( void );
33 void gtk_gui_alloc_resources ( void );
34 uint32_t gtk_gui_run_slice( uint32_t nanosecs );
36 struct dreamcast_module gtk_gui_module = { "gui", NULL,
37 gtk_gui_update,
38 gtk_gui_start,
39 gtk_gui_run_slice,
40 gtk_gui_stop,
41 NULL, NULL };
43 /**
44 * Single-instance windows (at most one)
45 */
46 static main_window_t main_win = NULL;
47 static debug_window_t debug_win = NULL;
48 static mmio_window_t mmio_win = NULL;
50 /**
51 * UIManager and action helpers
52 */
53 static GtkUIManager *global_ui_manager;
54 static GtkActionGroup *global_action_group;
56 /**
57 * Count of running nanoseconds - used to cut back on the GUI runtime
58 */
59 static uint32_t gtk_gui_nanos = 0;
60 static uint32_t gtk_gui_ticks = 0;
61 static struct timeval gtk_gui_lasttv;
63 static gboolean gtk_gui_init_ok = FALSE;
65 #define ENABLE_ACTION(win,name) SET_ACTION_ENABLED(win,name,TRUE)
66 #define DISABLE_ACTION(win,name) SET_ACTION_ENABLED(win,name,FALSE)
68 // UI Actions
69 static const GtkActionEntry ui_actions[] = {
70 { "FileMenu", NULL, N_("_File") },
71 { "SettingsMenu", NULL, N_("_Settings") },
72 { "HelpMenu", NULL, N_("_Help") },
73 { "LoadBinary", NULL, N_("Load _Binary..."), NULL, N_("Load and run a program binary"), G_CALLBACK(load_binary_action_callback) },
74 { "Reset", GTK_STOCK_REFRESH, N_("_Reset"), "<control>R", N_("Reset dreamcast"), G_CALLBACK(reset_action_callback) },
75 { "Pause", GTK_STOCK_MEDIA_PAUSE, N_("_Pause"), NULL, N_("Pause dreamcast"), G_CALLBACK(pause_action_callback) },
76 { "Run", GTK_STOCK_MEDIA_PLAY, N_("Resume"), NULL, N_("Resume"), G_CALLBACK(resume_action_callback) },
77 { "LoadState", GTK_STOCK_REVERT_TO_SAVED, N_("L_oad State..."), "F4", N_("Load an lxdream save state"), G_CALLBACK(load_state_action_callback) },
78 { "SaveState", GTK_STOCK_SAVE_AS, N_("S_ave State..."), "F3", N_("Create an lxdream save state"), G_CALLBACK(save_state_action_callback) },
79 { "QuickLoad", NULL, N_("_Load Quick State"), "F6", N_("Load the current quick save state"), G_CALLBACK(quick_load_action_callback) },
80 { "QuickSave", NULL, N_("_Save Quick State..."), "F5", N_("Save to the current quick save state"), G_CALLBACK(quick_save_action_callback) },
81 { "QuickStateMenu", NULL, N_("Select _Quick State"), NULL, N_("Set quick save state") },
82 { "Exit", GTK_STOCK_QUIT, N_("E_xit"), NULL, N_("Exit lxdream"), G_CALLBACK(exit_action_callback) },
83 { "GdromSettings", NULL, N_("_GD-Rom") },
84 { "GdromUnmount", NULL, N_("_Empty") },
85 { "GdromMount", GTK_STOCK_CDROM, N_("_Open Image..."), "<control>O", N_("Mount a cdrom disc"), G_CALLBACK(mount_action_callback) },
86 { "PathSettings", NULL, N_("_Paths..."), NULL, N_("Configure files and paths"), G_CALLBACK(path_settings_callback) },
87 { "AudioSettings", NULL, N_("_Audio..."), NULL, N_("Configure audio output"), G_CALLBACK(audio_settings_callback) },
88 { "ControllerSettings", NULL, N_("_Controllers..."), NULL, N_("Configure controllers"), G_CALLBACK(maple_settings_callback) },
89 { "NetworkSettings", NULL, N_("_Network..."), NULL, N_("Configure network settings"), G_CALLBACK(network_settings_callback) },
90 { "VideoSettings", NULL, N_("_Video..."), NULL,N_( "Configure video output"), G_CALLBACK(video_settings_callback) },
91 { "HotkeySettings", NULL, N_("_Hotkeys..."), NULL,N_( "Configure hotkeys"), G_CALLBACK(hotkey_settings_callback) },
92 { "About", GTK_STOCK_ABOUT, N_("_About..."), NULL, N_("About lxdream"), G_CALLBACK(about_action_callback) },
93 { "DebugMenu", NULL, N_("_Debug") },
94 { "Debugger", NULL, N_("_Debugger"), NULL, N_("Open debugger window"), G_CALLBACK(debugger_action_callback) },
95 { "DebugMem", NULL, N_("View _Memory"), NULL, N_("View memory dump"), G_CALLBACK(debug_memory_action_callback) },
96 { "DebugMmio", NULL, N_("View IO _Registers"), NULL, N_("View MMIO Registers"), G_CALLBACK(debug_mmio_action_callback) },
97 { "SaveScene", NULL, N_("_Save Scene"), NULL, N_("Save next rendered scene"), G_CALLBACK(save_scene_action_callback) },
98 { "SingleStep", GTK_STOCK_REDO, N_("_Single Step"), NULL, N_("Single step"), G_CALLBACK(debug_step_action_callback) },
99 { "RunTo", GTK_STOCK_GOTO_LAST, N_("Run _To"), NULL, N_("Run to"), G_CALLBACK( debug_runto_action_callback) },
100 { "SetBreakpoint", GTK_STOCK_CLOSE, N_("_Breakpoint"), NULL, N_("Toggle breakpoint"), G_CALLBACK( debug_breakpoint_action_callback) }
101 };
102 static const GtkToggleActionEntry ui_toggle_actions[] = {
103 { "FullScreen", NULL, "_Full Screen", "<alt>Return", "Toggle full screen video", G_CALLBACK(fullscreen_toggle_callback), 0 },
104 };
105 static GtkRadioActionEntry ui_radio_actions[MAX_QUICK_STATE+1];
107 // Menus and toolbars
108 static const char *ui_description =
109 "<ui>"
110 " <menubar name='MainMenu'>"
111 " <menu action='FileMenu'>"
112 " <menuitem action='LoadBinary'/>"
113 " <menuitem action='GdromSettings'/>"
114 " <separator/>"
115 " <menuitem action='Reset'/>"
116 " <menuitem action='Pause'/>"
117 " <menuitem action='Run'/>"
118 " <menuitem action='Debugger'/>"
119 " <separator/>"
120 " <menuitem action='LoadState'/>"
121 " <menuitem action='SaveState'/>"
122 " <separator/>"
123 " <menuitem action='QuickLoad'/>"
124 " <menuitem action='QuickSave'/>"
125 " <menu action='QuickStateMenu'>"
126 " <menuitem action='QuickState0'/>"
127 " <menuitem action='QuickState1'/>"
128 " <menuitem action='QuickState2'/>"
129 " <menuitem action='QuickState3'/>"
130 " <menuitem action='QuickState4'/>"
131 " <menuitem action='QuickState5'/>"
132 " <menuitem action='QuickState6'/>"
133 " <menuitem action='QuickState7'/>"
134 " <menuitem action='QuickState8'/>"
135 " <menuitem action='QuickState9'/>"
136 " </menu>"
137 " <separator/>"
138 " <menuitem action='Exit'/>"
139 " </menu>"
140 " <menu action='SettingsMenu'>"
141 " <menuitem action='PathSettings'/>"
142 /* " <menuitem action='AudioSettings'/>" */
143 " <menuitem action='ControllerSettings'/>"
144 /* " <menuitem action='NetworkSettings'/>" */
145 /* " <menuitem action='VideoSettings'/>" */
146 " <menuitem action='HotkeySettings'/>"
147 " <separator/>"
148 " <menuitem action='FullScreen'/>"
149 " </menu>"
150 " <menu action='HelpMenu'>"
151 " <menuitem action='About'/>"
152 " </menu>"
153 " </menubar>"
154 " <toolbar name='MainToolbar'>"
155 " <toolitem action='GdromMount'/>"
156 " <toolitem action='Reset'/>"
157 " <toolitem action='Pause'/>"
158 " <toolitem action='Run'/>"
159 " <separator/>"
160 " <toolitem action='LoadState'/>"
161 " <toolitem action='SaveState'/>"
162 " </toolbar>"
163 " <menubar name='DebugMenu'>"
164 " <menu action='FileMenu'>"
165 " <menuitem action='GdromSettings'/>"
166 " <separator/>"
167 " <menuitem action='Reset'/>"
168 " <separator/>"
169 " <menuitem action='LoadState'/>"
170 " <menuitem action='SaveState'/>"
171 " <separator/>"
172 " <menuitem action='QuickLoad'/>"
173 " <menuitem action='QuickSave'/>"
174 " <menu action='QuickStateMenu'>"
175 " <menuitem action='QuickState0'/>"
176 " <menuitem action='QuickState1'/>"
177 " <menuitem action='QuickState2'/>"
178 " <menuitem action='QuickState3'/>"
179 " <menuitem action='QuickState4'/>"
180 " <menuitem action='QuickState5'/>"
181 " <menuitem action='QuickState6'/>"
182 " <menuitem action='QuickState7'/>"
183 " <menuitem action='QuickState8'/>"
184 " <menuitem action='QuickState9'/>"
185 " </menu>"
186 " <separator/>"
187 " <menuitem action='Exit'/>"
188 " </menu>"
189 " <menu action='DebugMenu'>"
190 " <menuitem action='DebugMem'/>"
191 " <menuitem action='DebugMmio'/>"
192 " <menuitem action='SaveScene'/>"
193 " <separator/>"
194 " <menuitem action='SetBreakpoint'/>"
195 " <menuitem action='Pause'/>"
196 " <menuitem action='SingleStep'/>"
197 " <menuitem action='RunTo'/>"
198 " <menuitem action='Run'/>"
199 " </menu>"
200 " <menu action='SettingsMenu'>"
201 " <menuitem action='PathSettings'/>"
202 /* " <menuitem action='AudioSettings'/>" */
203 " <menuitem action='ControllerSettings'/>"
204 /* " <menuitem action='NetworkSettings'/>" */
205 /* " <menuitem action='VideoSettings'/>" */
206 " <menuitem action='HotkeySettings'/>"
207 " <separator/>"
208 " <menuitem action='FullScreen'/>"
209 " </menu>"
210 " <menu action='HelpMenu'>"
211 " <menuitem action='About'/>"
212 " </menu>"
213 " </menubar>"
214 " <toolbar name='DebugToolbar'>"
215 " <toolitem action='GdromMount'/>"
216 " <toolitem action='Reset'/>"
217 " <toolitem action='Pause'/>"
218 " <separator/>"
219 " <toolitem action='SingleStep'/>"
220 " <toolitem action='RunTo'/>"
221 " <toolitem action='Run'/>"
222 " <toolitem action='SetBreakpoint'/>"
223 " <separator/>"
224 " <toolitem action='LoadState'/>"
225 " <toolitem action='SaveState'/>"
226 " </toolbar>"
227 "</ui>";
229 gboolean gui_parse_cmdline( int *argc, char **argv[] )
230 {
231 gtk_gui_init_ok = gtk_init_check( argc, argv );
232 return gtk_gui_init_ok;
233 }
235 gboolean gtk_gui_disc_changed( cdrom_disc_t disc, const gchar *disc_name, void *ptr )
236 {
237 main_window_update_title( main_win );
238 return TRUE;
239 }
241 gboolean gui_init( gboolean withDebug, gboolean withFullscreen )
242 {
243 if( gtk_gui_init_ok ) {
244 int i;
245 GError *error = NULL;
246 dreamcast_register_module( >k_gui_module );
247 gtk_gui_alloc_resources();
249 global_action_group = gtk_action_group_new("MenuActions");
250 gtk_action_group_set_translation_domain( global_action_group, NULL );
251 gtk_action_group_add_actions( global_action_group, ui_actions, G_N_ELEMENTS(ui_actions), NULL );
252 gtk_action_group_add_toggle_actions( global_action_group, ui_toggle_actions, G_N_ELEMENTS(ui_toggle_actions), NULL );
254 for( i=0; i<=MAX_QUICK_STATE; i++ ) {
255 ui_radio_actions[i].name = g_strdup_printf("QuickState%d", i);
256 ui_radio_actions[i].stock_id = NULL;
257 ui_radio_actions[i].label = g_strdup_printf(_("State _%d"), i );
258 ui_radio_actions[i].accelerator = NULL;
259 ui_radio_actions[i].tooltip = g_strdup_printf(_("Use quick save state %d"),i);
260 ui_radio_actions[i].value = i;
261 }
262 gtk_action_group_add_radio_actions( global_action_group, ui_radio_actions, G_N_ELEMENTS(ui_radio_actions),
263 dreamcast_get_quick_state(), G_CALLBACK(quick_state_action_callback), NULL );
264 gtk_gui_enable_action("AudioSettings", FALSE);
265 gtk_gui_enable_action("NetworkSettings", FALSE);
266 gtk_gui_enable_action("VideoSettings", FALSE);
268 global_ui_manager = gtk_ui_manager_new();
269 gtk_ui_manager_set_add_tearoffs(global_ui_manager, TRUE);
270 gtk_ui_manager_insert_action_group( global_ui_manager, global_action_group, 0 );
272 if (!gtk_ui_manager_add_ui_from_string (global_ui_manager, ui_description, -1, &error)) {
273 g_message ("building menus failed: %s", error->message);
274 g_error_free (error);
275 exit(1);
276 }
277 GtkAccelGroup *accel_group = gtk_ui_manager_get_accel_group (global_ui_manager);
278 GtkWidget *menubar = gtk_ui_manager_get_widget(global_ui_manager, "/MainMenu");
279 GtkWidget *toolbar = gtk_ui_manager_get_widget(global_ui_manager, "/MainToolbar");
281 GtkWidget *gdrommenuitem = gtk_ui_manager_get_widget(global_ui_manager, "/MainMenu/FileMenu/GdromSettings");
282 GtkWidget *gdrommenu = gdrom_menu_new();
283 gtk_menu_item_set_submenu( GTK_MENU_ITEM(gdrommenuitem), gdrommenu );
284 main_win = main_window_new( lxdream_package_name, menubar, toolbar, accel_group );
285 if( withDebug ) {
286 gtk_gui_show_debugger();
287 }
289 if (withFullscreen) {
290 main_window_set_fullscreen(main_win, TRUE);
291 //manually call full-screen state code for non-compliant window managers
292 main_window_show_gui(main_win, TRUE);
293 }
295 register_gdrom_disc_change_hook( gtk_gui_disc_changed, NULL );
297 return TRUE;
298 } else {
299 return FALSE;
300 }
301 }
303 void gui_main_loop( gboolean run )
304 {
305 gtk_gui_update();
306 if( run ) {
307 dreamcast_run();
308 gtk_main();
309 } else {
310 gtk_main();
311 }
312 }
314 void gui_update_state(void)
315 {
316 gtk_gui_update();
317 }
319 void gui_set_use_grab( gboolean flag )
320 {
321 if( main_win != NULL ) {
322 main_window_set_use_grab(main_win, flag);
323 }
324 }
326 gboolean gui_error_dialog( const char *msg, ... )
327 {
328 if( main_win != NULL ) {
329 va_list args;
330 GtkWidget *dialog =
331 gtk_message_dialog_new( main_window_get_frame(main_win), GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
332 GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, NULL );
333 va_start(args, msg);
334 gchar *markup = g_markup_vprintf_escaped( msg, args );
335 va_end( args );
336 gtk_message_dialog_set_markup( GTK_MESSAGE_DIALOG(dialog), markup );
337 g_free(markup);
338 gtk_dialog_run(GTK_DIALOG(dialog));
339 gtk_widget_destroy(dialog);
340 return TRUE;
341 }
342 return FALSE;
343 }
345 void gui_update_io_activity( io_activity_type io, gboolean active )
346 {
348 }
350 static gboolean gtk_do_later_callback( gpointer ptr )
351 {
352 do_later_callback_t func = (do_later_callback_t)ptr;
353 func();
354 return FALSE;
355 }
357 void gui_do_later( do_later_callback_t func )
358 {
359 g_timeout_add_seconds(0, gtk_do_later_callback, func);
360 }
362 void gtk_gui_show_debugger()
363 {
364 if( debug_win ) {
365 debug_window_show(debug_win, TRUE);
366 } else {
367 GtkAccelGroup *accel_group = gtk_ui_manager_get_accel_group (global_ui_manager);
368 GtkWidget *menubar = gtk_ui_manager_get_widget(global_ui_manager, "/DebugMenu");
369 GtkWidget *toolbar = gtk_ui_manager_get_widget(global_ui_manager, "/DebugToolbar");
370 GtkWidget *gdrommenuitem = gtk_ui_manager_get_widget(global_ui_manager, "/DebugMenu/FileMenu/GdromSettings");
371 GtkWidget *gdrommenu = gdrom_menu_new();
372 gtk_menu_item_set_submenu( GTK_MENU_ITEM(gdrommenuitem), gdrommenu );
373 gchar *title = g_strdup_printf( "%s :: %s", lxdream_package_name, _("Debugger"));
374 debug_win = debug_window_new( title, menubar, toolbar, accel_group );
375 g_free(title);
376 }
377 }
379 void gtk_gui_show_mmio()
380 {
381 if( mmio_win ) {
382 mmio_window_show(mmio_win, TRUE);
383 } else {
384 gchar *title = g_strdup_printf( "%s :: %s", lxdream_package_name, _("MMIO Registers"));
385 mmio_win = mmio_window_new( title );
386 g_free(title);
387 }
388 }
391 main_window_t gtk_gui_get_main()
392 {
393 return main_win;
394 }
396 debug_window_t gtk_gui_get_debugger()
397 {
398 return debug_win;
399 }
401 mmio_window_t gtk_gui_get_mmio()
402 {
403 return mmio_win;
404 }
406 /**
407 * Hook called when DC starts running. Just disables the run/step buttons
408 * and enables the stop button.
409 */
410 void gtk_gui_start( void )
411 {
412 main_window_set_running( main_win, TRUE );
413 if( debug_win != NULL ) {
414 debug_window_set_running( debug_win, TRUE );
415 }
416 gtk_gui_nanos = 0;
417 gettimeofday(>k_gui_lasttv,NULL);
418 }
420 /**
421 * Hook called when DC stops running. Enables the run/step buttons
422 * and disables the stop button.
423 */
424 void gtk_gui_stop( void )
425 {
426 main_window_set_running( main_win, FALSE );
427 gtk_gui_update();
428 }
430 void gtk_gui_update( void )
431 {
432 if( global_action_group ) {
433 gtk_gui_enable_action("Run", !dreamcast_is_running() );
434 gtk_gui_enable_action("Pause", dreamcast_is_running() );
435 }
436 if( debug_win ) {
437 debug_window_set_running( debug_win, FALSE );
438 debug_window_update(debug_win);
439 }
440 if( mmio_win ) {
441 mmio_window_update(mmio_win);
442 }
443 dump_window_update_all();
444 }
446 /**
447 * Module run-slice. Run the event loop 100 times/second (doesn't really need to be
448 * any more often than this), and update the speed display 10 times/second.
449 *
450 * Also detect if we're running too fast here and yield for a bit
451 */
452 uint32_t gtk_gui_run_slice( uint32_t nanosecs )
453 {
454 gtk_gui_nanos += nanosecs;
455 if( gtk_gui_nanos > GUI_TICK_PERIOD ) { /* 10 ms */
456 gtk_gui_nanos -= GUI_TICK_PERIOD;
457 gtk_gui_ticks ++;
458 uint32_t current_period = gtk_gui_ticks * GUI_TICK_PERIOD;
460 // Run the event loop
461 while( gtk_events_pending() )
462 gtk_main_iteration();
464 struct timeval tv;
465 gettimeofday(&tv,NULL);
466 uint32_t ns = ((tv.tv_sec - gtk_gui_lasttv.tv_sec) * 1000000000) +
467 (tv.tv_usec - gtk_gui_lasttv.tv_usec)*1000;
468 if( (ns * 1.05) < current_period ) {
469 // We've gotten ahead - sleep for a little bit
470 struct timespec tv;
471 tv.tv_sec = 0;
472 tv.tv_nsec = current_period - ns;
473 nanosleep(&tv, &tv);
474 }
476 /* Update the display every 10 ticks (ie 10 times a second) and
477 * save the current tv value */
478 if( gtk_gui_ticks > 10 ) {
479 gtk_gui_ticks -= 10;
481 double speed = (float)( (double)current_period * 100.0 / ns );
482 gtk_gui_lasttv.tv_sec = tv.tv_sec;
483 gtk_gui_lasttv.tv_usec = tv.tv_usec;
484 main_window_set_speed( main_win, speed );
485 }
486 }
487 return nanosecs;
488 }
491 PangoFontDescription *gui_fixed_font;
492 GdkColor gui_colour_normal, gui_colour_changed, gui_colour_error;
493 GdkColor gui_colour_warn, gui_colour_pc, gui_colour_debug;
494 GdkColor gui_colour_trace, gui_colour_break, gui_colour_temp_break;
495 GdkColor gui_colour_white;
497 void gtk_gui_alloc_resources() {
498 GdkColormap *map;
500 gui_colour_normal.red = gui_colour_normal.green = gui_colour_normal.blue = 0;
501 gui_colour_changed.red = gui_colour_changed.green = 64*256;
502 gui_colour_changed.blue = 154*256;
503 gui_colour_error.red = 65535;
504 gui_colour_error.green = gui_colour_error.blue = 64*256;
505 gui_colour_pc.red = 32*256;
506 gui_colour_pc.green = 170*256;
507 gui_colour_pc.blue = 52*256;
508 gui_colour_warn = gui_colour_changed;
509 gui_colour_trace.red = 156*256;
510 gui_colour_trace.green = 78*256;
511 gui_colour_trace.blue = 201*256;
512 gui_colour_debug = gui_colour_pc;
513 gui_colour_break.red = 65535;
514 gui_colour_break.green = gui_colour_break.blue = 192*256;
515 gui_colour_temp_break.red = gui_colour_temp_break.green = 128*256;
516 gui_colour_temp_break.blue = 32*256;
517 gui_colour_white.red = gui_colour_white.green = gui_colour_white.blue = 65535;
519 map = gdk_colormap_new(gdk_visual_get_best(), TRUE);
520 gdk_colormap_alloc_color(map, &gui_colour_normal, TRUE, TRUE);
521 gdk_colormap_alloc_color(map, &gui_colour_changed, TRUE, TRUE);
522 gdk_colormap_alloc_color(map, &gui_colour_error, TRUE, TRUE);
523 gdk_colormap_alloc_color(map, &gui_colour_warn, TRUE, TRUE);
524 gdk_colormap_alloc_color(map, &gui_colour_pc, TRUE, TRUE);
525 gdk_colormap_alloc_color(map, &gui_colour_debug, TRUE, TRUE);
526 gdk_colormap_alloc_color(map, &gui_colour_trace, TRUE, TRUE);
527 gdk_colormap_alloc_color(map, &gui_colour_break, TRUE, TRUE);
528 gdk_colormap_alloc_color(map, &gui_colour_temp_break, TRUE, TRUE);
529 gdk_colormap_alloc_color(map, &gui_colour_white, TRUE, TRUE);
530 gui_fixed_font = pango_font_description_from_string("Courier 10");
531 }
533 gint gtk_gui_run_property_dialog( const gchar *title, GtkWidget *panel, gtk_dialog_done_fn fn )
534 {
535 GtkWidget *dialog =
536 gtk_dialog_new_with_buttons(title, main_window_get_frame(main_win),
537 GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
538 GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
539 GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
540 NULL);
541 gint result;
542 gtk_widget_show_all(panel);
543 gtk_container_add( GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), panel );
544 result = gtk_dialog_run( GTK_DIALOG(dialog) );
545 if( fn != NULL ) {
546 fn(panel, result == GTK_RESPONSE_ACCEPT);
547 }
548 gtk_widget_destroy( dialog );
549 return result;
550 }
552 void gtk_gui_enable_action( const gchar *action, gboolean enable )
553 {
554 gtk_action_set_sensitive( gtk_action_group_get_action( global_action_group, action), enable);
555 }
557 static void delete_frame_buffer( guchar *pixels, gpointer buffer )
558 {
559 if( buffer != NULL ) {
560 g_free(buffer);
561 }
562 }
564 GdkPixbuf *gdk_pixbuf_new_from_frame_buffer( frame_buffer_t buffer )
565 {
566 return gdk_pixbuf_new_from_data( (unsigned char *)buffer->data,
567 GDK_COLORSPACE_RGB,
568 (buffer->colour_format == COLFMT_BGRA8888),
569 8,
570 buffer->width,
571 buffer->height,
572 buffer->rowstride,
573 delete_frame_buffer,
574 buffer );
575 }
577 /**
578 * Extract the keyval of the key event if no modifier keys were pressed -
579 * in other words get the keyval of the key by itself. The other way around
580 * would be to use the hardware keysyms directly rather than the keyvals,
581 * but the mapping looks to be messier.
582 */
583 uint16_t gtk_get_unmodified_keyval( GdkEventKey *event )
584 {
585 GdkKeymap *keymap = gdk_keymap_get_default();
586 guint keyval;
588 gdk_keymap_translate_keyboard_state( keymap, event->hardware_keycode, 0, 0, &keyval,
589 NULL, NULL, NULL );
590 return keyval;
591 }
.