2 * gtk.c: GTK front end for my puzzle collection.
13 #include <gdk/gdkkeysyms.h>
17 /* ----------------------------------------------------------------------
18 * Error reporting functions used elsewhere.
21 void fatal(char *fmt, ...)
25 fprintf(stderr, "fatal error: ");
28 vfprintf(stderr, fmt, ap);
31 fprintf(stderr, "\n");
35 /* ----------------------------------------------------------------------
36 * GTK front end to puzzles.
46 * This structure holds all the data relevant to a single window.
47 * In principle this would allow us to open multiple independent
48 * puzzle windows, although I can't currently see any real point in
49 * doing so. I'm just coding cleanly because there's no
50 * particularly good reason not to.
64 int bbox_l, bbox_r, bbox_u, bbox_d;
65 int timer_active, timer_id;
73 void frontend_default_colour(frontend *fe, float *output)
75 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
76 output[0] = col.red / 65535.0;
77 output[1] = col.green / 65535.0;
78 output[2] = col.blue / 65535.0;
81 void status_bar(frontend *fe, char *text)
83 assert(fe->statusbar);
85 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
86 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
89 void start_draw(frontend *fe)
91 fe->gc = gdk_gc_new(fe->area->window);
98 void clip(frontend *fe, int x, int y, int w, int h)
107 gdk_gc_set_clip_rectangle(fe->gc, &rect);
110 void unclip(frontend *fe)
119 gdk_gc_set_clip_rectangle(fe->gc, &rect);
122 void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
123 int align, int colour, char *text)
128 * Find or create the font.
130 for (i = 0; i < fe->nfonts; i++)
131 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
134 if (i == fe->nfonts) {
135 if (fe->fontsize <= fe->nfonts) {
136 fe->fontsize = fe->nfonts + 10;
137 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
142 fe->fonts[i].type = fonttype;
143 fe->fonts[i].size = fontsize;
146 * FIXME: Really I should make at least _some_ effort to
147 * pick the correct font.
149 fe->fonts[i].font = gdk_font_load("variable");
153 * Find string dimensions and process alignment.
156 int lb, rb, wid, asc, desc;
158 gdk_string_extents(fe->fonts[i].font, text,
159 &lb, &rb, &wid, &asc, &desc);
160 if (align & ALIGN_VCENTRE)
161 y += asc - (asc+desc)/2;
163 if (align & ALIGN_HCENTRE)
165 else if (align & ALIGN_HRIGHT)
171 * Set colour and actually draw text.
173 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
174 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
177 void draw_rect(frontend *fe, int x, int y, int w, int h, int colour)
179 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
180 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
183 void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour)
185 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
186 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
189 void draw_polygon(frontend *fe, int *coords, int npoints,
190 int fill, int colour)
192 GdkPoint *points = snewn(npoints, GdkPoint);
195 for (i = 0; i < npoints; i++) {
196 points[i].x = coords[i*2];
197 points[i].y = coords[i*2+1];
200 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
201 gdk_draw_polygon(fe->pixmap, fe->gc, fill, points, npoints);
206 void draw_update(frontend *fe, int x, int y, int w, int h)
208 if (fe->bbox_l > x ) fe->bbox_l = x ;
209 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
210 if (fe->bbox_u > y ) fe->bbox_u = y ;
211 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
214 void end_draw(frontend *fe)
216 gdk_gc_unref(fe->gc);
219 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
220 gdk_draw_pixmap(fe->area->window,
221 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
223 fe->bbox_l, fe->bbox_u,
224 fe->bbox_l, fe->bbox_u,
225 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
229 static void destroy(GtkWidget *widget, gpointer data)
234 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
236 frontend *fe = (frontend *)data;
242 if (event->string[0] && !event->string[1])
243 keyval = (unsigned char)event->string[0];
244 else if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
245 event->keyval == GDK_KP_8)
247 else if (event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
248 event->keyval == GDK_KP_2)
249 keyval = CURSOR_DOWN;
250 else if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left ||
251 event->keyval == GDK_KP_4)
252 keyval = CURSOR_LEFT;
253 else if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right ||
254 event->keyval == GDK_KP_6)
255 keyval = CURSOR_RIGHT;
256 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
257 keyval = CURSOR_UP_LEFT;
258 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
259 keyval = CURSOR_DOWN_LEFT;
260 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
261 keyval = CURSOR_UP_RIGHT;
262 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
263 keyval = CURSOR_DOWN_RIGHT;
268 !midend_process_key(fe->me, 0, 0, keyval))
269 gtk_widget_destroy(fe->window);
274 static gint button_event(GtkWidget *widget, GdkEventButton *event,
277 frontend *fe = (frontend *)data;
283 if (event->type != GDK_BUTTON_PRESS)
286 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
287 button = MIDDLE_BUTTON;
288 else if (event->button == 1)
289 button = LEFT_BUTTON;
290 else if (event->button == 3)
291 button = RIGHT_BUTTON;
293 return FALSE; /* don't even know what button! */
295 if (!midend_process_key(fe->me, event->x, event->y, button))
296 gtk_widget_destroy(fe->window);
301 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
304 frontend *fe = (frontend *)data;
307 gdk_draw_pixmap(widget->window,
308 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
310 event->area.x, event->area.y,
311 event->area.x, event->area.y,
312 event->area.width, event->area.height);
317 static gint map_window(GtkWidget *widget, GdkEvent *event,
320 frontend *fe = (frontend *)data;
323 * Apparently we need to do this because otherwise the status
324 * bar will fail to update immediately. Annoying, but there we
327 gtk_widget_queue_draw(fe->window);
332 static gint configure_area(GtkWidget *widget,
333 GdkEventConfigure *event, gpointer data)
335 frontend *fe = (frontend *)data;
339 gdk_pixmap_unref(fe->pixmap);
341 fe->pixmap = gdk_pixmap_new(widget->window, fe->w, fe->h, -1);
343 gc = gdk_gc_new(fe->area->window);
344 gdk_gc_set_foreground(gc, &fe->colours[0]);
345 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->w, fe->h);
348 midend_redraw(fe->me);
353 static gint timer_func(gpointer data)
355 frontend *fe = (frontend *)data;
357 if (fe->timer_active)
358 midend_timer(fe->me, 0.02); /* may clear timer_active */
360 return fe->timer_active;
363 void deactivate_timer(frontend *fe)
365 if (fe->timer_active)
366 gtk_timeout_remove(fe->timer_id);
367 fe->timer_active = FALSE;
370 void activate_timer(frontend *fe)
372 if (!fe->timer_active)
373 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
374 fe->timer_active = TRUE;
377 static void window_destroy(GtkWidget *widget, gpointer data)
382 static void errmsg_button_clicked(GtkButton *button, gpointer data)
384 gtk_widget_destroy(GTK_WIDGET(data));
387 void error_box(GtkWidget *parent, char *msg)
389 GtkWidget *window, *hbox, *text, *ok;
391 window = gtk_dialog_new();
392 text = gtk_label_new(msg);
393 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
394 hbox = gtk_hbox_new(FALSE, 0);
395 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
396 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
397 hbox, FALSE, FALSE, 20);
398 gtk_widget_show(text);
399 gtk_widget_show(hbox);
400 gtk_window_set_title(GTK_WINDOW(window), "Error");
401 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
402 ok = gtk_button_new_with_label("OK");
403 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
404 ok, FALSE, FALSE, 0);
406 GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT);
407 gtk_window_set_default(GTK_WINDOW(window), ok);
408 gtk_signal_connect(GTK_OBJECT(ok), "clicked",
409 GTK_SIGNAL_FUNC(errmsg_button_clicked), window);
410 gtk_signal_connect(GTK_OBJECT(window), "destroy",
411 GTK_SIGNAL_FUNC(window_destroy), NULL);
412 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
413 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
414 //set_transient_window_pos(parent, window);
415 gtk_widget_show(window);
419 static void config_ok_button_clicked(GtkButton *button, gpointer data)
421 frontend *fe = (frontend *)data;
424 err = midend_set_config(fe->me, fe->cfg);
427 error_box(fe->cfgbox, err);
430 gtk_widget_destroy(fe->cfgbox);
434 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
436 frontend *fe = (frontend *)data;
438 gtk_widget_destroy(fe->cfgbox);
441 static void editbox_changed(GtkEditable *ed, gpointer data)
443 config_item *i = (config_item *)data;
446 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
449 static void button_toggled(GtkToggleButton *tb, gpointer data)
451 config_item *i = (config_item *)data;
453 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
456 static void droplist_sel(GtkMenuItem *item, gpointer data)
458 config_item *i = (config_item *)data;
460 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
464 static int get_config(frontend *fe)
466 GtkWidget *w, *table;
470 fe->cfg = midend_get_config(fe->me);
473 fe->cfgbox = gtk_dialog_new();
474 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), "Configure");
476 w = gtk_button_new_with_label("OK");
477 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
480 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
481 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
482 gtk_signal_connect(GTK_OBJECT(w), "clicked",
483 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
485 w = gtk_button_new_with_label("Cancel");
486 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
489 gtk_signal_connect(GTK_OBJECT(w), "clicked",
490 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
492 table = gtk_table_new(1, 2, FALSE);
494 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
495 table, FALSE, FALSE, 0);
496 gtk_widget_show(table);
498 for (i = fe->cfg; i->type != C_END; i++) {
499 gtk_table_resize(GTK_TABLE(table), y+1, 2);
504 * Edit box with a label beside it.
507 w = gtk_label_new(i->name);
508 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
509 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
510 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
511 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
516 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
517 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
518 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
520 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
521 gtk_signal_connect(GTK_OBJECT(w), "changed",
522 GTK_SIGNAL_FUNC(editbox_changed), i);
531 w = gtk_check_button_new_with_label(i->name);
532 gtk_signal_connect(GTK_OBJECT(w), "toggled",
533 GTK_SIGNAL_FUNC(button_toggled), i);
534 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
535 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
536 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
538 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
544 * Drop-down list (GtkOptionMenu).
547 w = gtk_label_new(i->name);
548 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
549 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
550 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
551 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
555 w = gtk_option_menu_new();
556 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
557 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
558 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
566 GtkWidget *menu = gtk_menu_new();
568 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
576 while (*q && *q != c)
579 name = snewn(q-p+1, char);
580 strncpy(name, p, q-p);
583 if (*q) q++; /* eat delimiter */
585 menuitem = gtk_menu_item_new_with_label(name);
586 gtk_container_add(GTK_CONTAINER(menu), menuitem);
587 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
588 GINT_TO_POINTER(val));
589 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
590 GTK_SIGNAL_FUNC(droplist_sel), i);
591 gtk_widget_show(menuitem);
598 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
607 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
608 GTK_SIGNAL_FUNC(window_destroy), NULL);
609 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
610 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
611 GTK_WINDOW(fe->window));
612 //set_transient_window_pos(fe->window, fe->cfgbox);
613 gtk_widget_show(fe->cfgbox);
617 * FIXME: free fe->cfg
623 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
625 frontend *fe = (frontend *)data;
626 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
628 if (!midend_process_key(fe->me, 0, 0, key))
629 gtk_widget_destroy(fe->window);
632 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
634 frontend *fe = (frontend *)data;
635 game_params *params =
636 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
639 midend_set_params(fe->me, params);
640 midend_new_game(fe->me, NULL);
641 midend_size(fe->me, &x, &y);
642 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
647 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
649 frontend *fe = (frontend *)data;
655 midend_new_game(fe->me, NULL);
656 midend_size(fe->me, &x, &y);
657 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
662 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
665 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
666 gtk_container_add(cont, menuitem);
667 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
668 GINT_TO_POINTER(key));
669 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
670 GTK_SIGNAL_FUNC(menu_key_event), fe);
671 gtk_widget_show(menuitem);
675 static void add_menu_separator(GtkContainer *cont)
677 GtkWidget *menuitem = gtk_menu_item_new();
678 gtk_container_add(cont, menuitem);
679 gtk_widget_show(menuitem);
682 static frontend *new_window(void)
686 GtkWidget *menubar, *menu, *menuitem;
691 fe->me = midend_new(fe);
692 midend_new_game(fe->me, NULL);
694 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
695 gtk_window_set_title(GTK_WINDOW(fe->window), game_name);
697 gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE);
699 gtk_window_set_policy(GTK_WINDOW(fe->window), FALSE, FALSE, TRUE);
701 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
702 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
703 gtk_widget_show(GTK_WIDGET(vbox));
705 menubar = gtk_menu_bar_new();
706 gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
707 gtk_widget_show(menubar);
709 menuitem = gtk_menu_item_new_with_label("Game");
710 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
711 gtk_widget_show(menuitem);
713 menu = gtk_menu_new();
714 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
716 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
717 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Restart", 'r');
719 if ((n = midend_num_presets(fe->me)) > 0 || game_can_configure) {
723 menuitem = gtk_menu_item_new_with_label("Type");
724 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
725 gtk_widget_show(menuitem);
727 submenu = gtk_menu_new();
728 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
730 for (i = 0; i < n; i++) {
734 midend_fetch_preset(fe->me, i, &name, ¶ms);
736 menuitem = gtk_menu_item_new_with_label(name);
737 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
738 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
739 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
740 GTK_SIGNAL_FUNC(menu_preset_event), fe);
741 gtk_widget_show(menuitem);
744 if (game_can_configure) {
745 menuitem = gtk_menu_item_new_with_label("Custom...");
746 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
747 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
748 GTK_SIGNAL_FUNC(menu_config_event), fe);
749 gtk_widget_show(menuitem);
753 add_menu_separator(GTK_CONTAINER(menu));
754 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
755 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12');
756 add_menu_separator(GTK_CONTAINER(menu));
757 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
764 fe->colmap = gdk_colormap_get_system();
765 colours = midend_colours(fe->me, &ncolours);
766 fe->ncolours = ncolours;
767 fe->colours = snewn(ncolours, GdkColor);
768 for (i = 0; i < ncolours; i++) {
769 fe->colours[i].red = colours[i*3] * 0xFFFF;
770 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
771 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
773 success = snewn(ncolours, gboolean);
774 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
775 FALSE, FALSE, success);
776 for (i = 0; i < ncolours; i++) {
778 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
779 i, fe->colours[i].red >> 8,
780 fe->colours[i].green >> 8,
781 fe->colours[i].blue >> 8);
785 if (midend_wants_statusbar(fe->me)) {
789 viewport = gtk_viewport_new(NULL, NULL);
790 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
791 fe->statusbar = gtk_statusbar_new();
792 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
793 gtk_widget_show(viewport);
794 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
795 gtk_widget_show(fe->statusbar);
796 fe->statusctx = gtk_statusbar_get_context_id
797 (GTK_STATUSBAR(fe->statusbar), "game");
798 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
800 gtk_widget_size_request(fe->statusbar, &req);
802 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
804 gtk_widget_set_usize(viewport, x, req.height);
806 fe->statusbar = NULL;
808 fe->area = gtk_drawing_area_new();
809 midend_size(fe->me, &x, &y);
810 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
814 gtk_box_pack_end(vbox, fe->area, FALSE, FALSE, 0);
818 fe->nfonts = fe->fontsize = 0;
820 fe->timer_active = FALSE;
822 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
823 GTK_SIGNAL_FUNC(destroy), fe);
824 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
825 GTK_SIGNAL_FUNC(key_event), fe);
826 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
827 GTK_SIGNAL_FUNC(button_event), fe);
828 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
829 GTK_SIGNAL_FUNC(expose_area), fe);
830 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
831 GTK_SIGNAL_FUNC(map_window), fe);
832 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
833 GTK_SIGNAL_FUNC(configure_area), fe);
835 gtk_widget_add_events(GTK_WIDGET(fe->area), GDK_BUTTON_PRESS_MASK);
837 gtk_widget_show(fe->area);
838 gtk_widget_show(fe->window);
843 int main(int argc, char **argv)
847 gtk_init(&argc, &argv);