2 * gtk.c: GTK front end for my puzzle collection.
15 #include <gdk/gdkkeysyms.h>
19 #include <X11/Xutil.h>
20 #include <X11/Xatom.h>
24 #if GTK_CHECK_VERSION(2,0,0)
29 static FILE *debug_fp = NULL;
34 debug_fp = fopen("debug.log", "w");
45 void debug_printf(char *fmt, ...)
51 vsprintf(buf, fmt, ap);
57 /* ----------------------------------------------------------------------
58 * Error reporting functions used elsewhere.
61 void fatal(char *fmt, ...)
65 fprintf(stderr, "fatal error: ");
68 vfprintf(stderr, fmt, ap);
71 fprintf(stderr, "\n");
75 /* ----------------------------------------------------------------------
76 * GTK front end to puzzles.
81 PangoFontDescription *desc;
90 * This structure holds all the data relevant to a single window.
91 * In principle this would allow us to open multiple independent
92 * puzzle windows, although I can't currently see any real point in
93 * doing so. I'm just coding cleanly because there's no
94 * particularly good reason not to.
108 int bbox_l, bbox_r, bbox_u, bbox_d;
109 int timer_active, timer_id;
110 struct timeval last_time;
112 int nfonts, fontsize;
114 int cfg_which, cfgret;
119 int pw, ph; /* pixmap size (w, h are area size) */
120 int ox, oy; /* offset of pixmap in drawing area */
123 void get_random_seed(void **randseed, int *randseedsize)
125 struct timeval *tvp = snew(struct timeval);
126 gettimeofday(tvp, NULL);
127 *randseed = (void *)tvp;
128 *randseedsize = sizeof(struct timeval);
131 void frontend_default_colour(frontend *fe, float *output)
133 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
134 output[0] = col.red / 65535.0;
135 output[1] = col.green / 65535.0;
136 output[2] = col.blue / 65535.0;
139 void status_bar(frontend *fe, char *text)
143 assert(fe->statusbar);
145 rewritten = midend_rewrite_statusbar(fe->me, text);
146 if (!fe->laststatus || strcmp(rewritten, fe->laststatus)) {
147 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
148 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, rewritten);
149 sfree(fe->laststatus);
150 fe->laststatus = rewritten;
156 void start_draw(frontend *fe)
158 fe->gc = gdk_gc_new(fe->area->window);
165 void clip(frontend *fe, int x, int y, int w, int h)
174 gdk_gc_set_clip_rectangle(fe->gc, &rect);
177 void unclip(frontend *fe)
186 gdk_gc_set_clip_rectangle(fe->gc, &rect);
189 void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
190 int align, int colour, char *text)
195 * Find or create the font.
197 for (i = 0; i < fe->nfonts; i++)
198 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
201 if (i == fe->nfonts) {
202 if (fe->fontsize <= fe->nfonts) {
203 fe->fontsize = fe->nfonts + 10;
204 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
209 fe->fonts[i].type = fonttype;
210 fe->fonts[i].size = fontsize;
214 * Use Pango to find the closest match to the requested
218 PangoFontDescription *fd;
220 fd = pango_font_description_new();
221 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
222 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
223 "Monospace" : "Sans");
224 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
226 * I found some online Pango documentation which
227 * described a function called
228 * pango_font_description_set_absolute_size(), which is
229 * _exactly_ what I want here. Unfortunately, none of
230 * my local Pango installations have it (presumably
231 * they're too old), so I'm going to have to hack round
232 * it by figuring out the point size myself. This
233 * limits me to X and probably also breaks in later
234 * Pango installations, so ideally I should add another
235 * CHECK_VERSION type ifdef and use set_absolute_size
236 * where available. All very annoying.
238 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
239 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
242 Display *d = GDK_DISPLAY();
243 int s = DefaultScreen(d);
245 (PANGO_SCALE * 72.27 / 25.4) *
246 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
247 pango_font_description_set_size(fd, resolution * fontsize);
250 fe->fonts[i].desc = fd;
255 * In GTK 1.2, I don't know of any plausible way to
256 * pick a suitable font, so I'm just going to be
259 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
260 "fixed" : "variable");
268 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
279 layout = pango_layout_new(gtk_widget_get_pango_context(fe->area));
280 pango_layout_set_font_description(layout, fe->fonts[i].desc);
281 pango_layout_set_text(layout, text, strlen(text));
282 pango_layout_get_pixel_extents(layout, NULL, &rect);
284 if (align & ALIGN_VCENTRE)
285 rect.y -= rect.height / 2;
287 if (align & ALIGN_HCENTRE)
288 rect.x -= rect.width / 2;
289 else if (align & ALIGN_HRIGHT)
290 rect.x -= rect.width;
292 gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout);
294 g_object_unref(layout);
299 * Find string dimensions and process alignment.
302 int lb, rb, wid, asc, desc;
305 * Measure vertical string extents with respect to the same
308 gdk_string_extents(fe->fonts[i].font,
309 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
310 &lb, &rb, &wid, &asc, &desc);
311 if (align & ALIGN_VCENTRE)
312 y += asc - (asc+desc)/2;
315 * ... but horizontal extents with respect to the provided
316 * string. This means that multiple pieces of text centred
317 * on the same y-coordinate don't have different baselines.
319 gdk_string_extents(fe->fonts[i].font, text,
320 &lb, &rb, &wid, &asc, &desc);
322 if (align & ALIGN_HCENTRE)
324 else if (align & ALIGN_HRIGHT)
330 * Actually draw the text.
332 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
337 void draw_rect(frontend *fe, int x, int y, int w, int h, int colour)
339 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
340 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
343 void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour)
345 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
346 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
349 void draw_polygon(frontend *fe, int *coords, int npoints,
350 int fill, int colour)
352 GdkPoint *points = snewn(npoints, GdkPoint);
355 for (i = 0; i < npoints; i++) {
356 points[i].x = coords[i*2];
357 points[i].y = coords[i*2+1];
360 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
361 gdk_draw_polygon(fe->pixmap, fe->gc, fill, points, npoints);
366 void draw_circle(frontend *fe, int cx, int cy, int radius,
367 int fill, int colour)
369 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
370 gdk_draw_arc(fe->pixmap, fe->gc, fill,
371 cx - radius, cy - radius,
372 2 * radius, 2 * radius, 0, 360 * 64);
380 blitter *blitter_new(int w, int h)
383 * We can't create the pixmap right now, because fe->window
384 * might not yet exist. So we just cache w and h and create it
385 * during the firs call to blitter_save.
387 blitter *bl = snew(blitter);
394 void blitter_free(blitter *bl)
397 gdk_pixmap_unref(bl->pixmap);
401 void blitter_save(frontend *fe, blitter *bl, int x, int y)
404 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
407 gdk_draw_pixmap(bl->pixmap,
408 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
410 x, y, 0, 0, bl->w, bl->h);
413 void blitter_load(frontend *fe, blitter *bl, int x, int y)
416 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
420 gdk_draw_pixmap(fe->pixmap,
421 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
423 0, 0, x, y, bl->w, bl->h);
426 void draw_update(frontend *fe, int x, int y, int w, int h)
428 if (fe->bbox_l > x ) fe->bbox_l = x ;
429 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
430 if (fe->bbox_u > y ) fe->bbox_u = y ;
431 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
434 void end_draw(frontend *fe)
436 gdk_gc_unref(fe->gc);
439 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
440 gdk_draw_pixmap(fe->area->window,
441 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
443 fe->bbox_l, fe->bbox_u,
444 fe->ox + fe->bbox_l, fe->oy + fe->bbox_u,
445 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
449 static void destroy(GtkWidget *widget, gpointer data)
451 frontend *fe = (frontend *)data;
452 deactivate_timer(fe);
456 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
458 frontend *fe = (frontend *)data;
460 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
461 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
466 if (event->keyval == GDK_Up)
467 keyval = shift | ctrl | CURSOR_UP;
468 else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
469 keyval = MOD_NUM_KEYPAD | '8';
470 else if (event->keyval == GDK_Down)
471 keyval = shift | ctrl | CURSOR_DOWN;
472 else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
473 keyval = MOD_NUM_KEYPAD | '2';
474 else if (event->keyval == GDK_Left)
475 keyval = shift | ctrl | CURSOR_LEFT;
476 else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
477 keyval = MOD_NUM_KEYPAD | '4';
478 else if (event->keyval == GDK_Right)
479 keyval = shift | ctrl | CURSOR_RIGHT;
480 else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
481 keyval = MOD_NUM_KEYPAD | '6';
482 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
483 keyval = MOD_NUM_KEYPAD | '7';
484 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
485 keyval = MOD_NUM_KEYPAD | '1';
486 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
487 keyval = MOD_NUM_KEYPAD | '9';
488 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
489 keyval = MOD_NUM_KEYPAD | '3';
490 else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
491 keyval = MOD_NUM_KEYPAD | '0';
492 else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
493 keyval = MOD_NUM_KEYPAD | '5';
494 else if (event->string[0] && !event->string[1])
495 keyval = (unsigned char)event->string[0];
500 !midend_process_key(fe->me, 0, 0, keyval))
501 gtk_widget_destroy(fe->window);
506 static gint button_event(GtkWidget *widget, GdkEventButton *event,
509 frontend *fe = (frontend *)data;
515 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
518 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
519 button = MIDDLE_BUTTON;
520 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
521 button = RIGHT_BUTTON;
522 else if (event->button == 1)
523 button = LEFT_BUTTON;
525 return FALSE; /* don't even know what button! */
527 if (event->type == GDK_BUTTON_RELEASE)
528 button += LEFT_RELEASE - LEFT_BUTTON;
530 if (!midend_process_key(fe->me, event->x - fe->ox,
531 event->y - fe->oy, button))
532 gtk_widget_destroy(fe->window);
537 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
540 frontend *fe = (frontend *)data;
546 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
547 button = MIDDLE_DRAG;
548 else if (event->state & GDK_BUTTON1_MASK)
550 else if (event->state & GDK_BUTTON3_MASK)
553 return FALSE; /* don't even know what button! */
555 if (!midend_process_key(fe->me, event->x - fe->ox,
556 event->y - fe->oy, button))
557 gtk_widget_destroy(fe->window);
562 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
565 frontend *fe = (frontend *)data;
568 gdk_draw_pixmap(widget->window,
569 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
571 event->area.x - fe->ox, event->area.y - fe->oy,
572 event->area.x, event->area.y,
573 event->area.width, event->area.height);
578 static gint map_window(GtkWidget *widget, GdkEvent *event,
581 frontend *fe = (frontend *)data;
584 * Apparently we need to do this because otherwise the status
585 * bar will fail to update immediately. Annoying, but there we
588 gtk_widget_queue_draw(fe->window);
593 static gint configure_area(GtkWidget *widget,
594 GdkEventConfigure *event, gpointer data)
596 frontend *fe = (frontend *)data;
601 gdk_pixmap_unref(fe->pixmap);
603 x = fe->w = event->width;
604 y = fe->h = event->height;
605 midend_size(fe->me, &x, &y, TRUE);
608 fe->ox = (fe->w - fe->pw) / 2;
609 fe->oy = (fe->h - fe->ph) / 2;
611 fe->pixmap = gdk_pixmap_new(widget->window, fe->pw, fe->ph, -1);
613 gc = gdk_gc_new(fe->area->window);
614 gdk_gc_set_foreground(gc, &fe->colours[0]);
615 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
618 midend_force_redraw(fe->me);
623 static gint timer_func(gpointer data)
625 frontend *fe = (frontend *)data;
627 if (fe->timer_active) {
630 gettimeofday(&now, NULL);
631 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
632 (now.tv_sec - fe->last_time.tv_sec));
633 midend_timer(fe->me, elapsed); /* may clear timer_active */
637 return fe->timer_active;
640 void deactivate_timer(frontend *fe)
642 if (fe->timer_active)
643 gtk_timeout_remove(fe->timer_id);
644 fe->timer_active = FALSE;
647 void activate_timer(frontend *fe)
649 if (!fe->timer_active) {
650 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
651 gettimeofday(&fe->last_time, NULL);
653 fe->timer_active = TRUE;
656 static void window_destroy(GtkWidget *widget, gpointer data)
661 static void errmsg_button_clicked(GtkButton *button, gpointer data)
663 gtk_widget_destroy(GTK_WIDGET(data));
666 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
668 GtkObject *cancelbutton = GTK_OBJECT(data);
671 * `Escape' effectively clicks the cancel button
673 if (event->keyval == GDK_Escape) {
674 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
681 void message_box(GtkWidget *parent, char *title, char *msg, int centre)
683 GtkWidget *window, *hbox, *text, *ok;
685 window = gtk_dialog_new();
686 text = gtk_label_new(msg);
687 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
688 hbox = gtk_hbox_new(FALSE, 0);
689 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
690 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
691 hbox, FALSE, FALSE, 20);
692 gtk_widget_show(text);
693 gtk_widget_show(hbox);
694 gtk_window_set_title(GTK_WINDOW(window), title);
695 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
696 ok = gtk_button_new_with_label("OK");
697 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
698 ok, FALSE, FALSE, 0);
700 GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT);
701 gtk_window_set_default(GTK_WINDOW(window), ok);
702 gtk_signal_connect(GTK_OBJECT(ok), "clicked",
703 GTK_SIGNAL_FUNC(errmsg_button_clicked), window);
704 gtk_signal_connect(GTK_OBJECT(window), "destroy",
705 GTK_SIGNAL_FUNC(window_destroy), NULL);
706 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
707 GTK_SIGNAL_FUNC(win_key_press), ok);
708 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
709 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
710 /* set_transient_window_pos(parent, window); */
711 gtk_widget_show(window);
715 void error_box(GtkWidget *parent, char *msg)
717 message_box(parent, "Error", msg, FALSE);
720 static void config_ok_button_clicked(GtkButton *button, gpointer data)
722 frontend *fe = (frontend *)data;
725 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
728 error_box(fe->cfgbox, err);
731 gtk_widget_destroy(fe->cfgbox);
735 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
737 frontend *fe = (frontend *)data;
739 gtk_widget_destroy(fe->cfgbox);
742 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
745 * GtkEntry has a nasty habit of eating the Return key, which
746 * is unhelpful since it doesn't actually _do_ anything with it
747 * (it calls gtk_widget_activate, but our edit boxes never need
748 * activating). So I catch Return before GtkEntry sees it, and
749 * pass it straight on to the parent widget. Effect: hitting
750 * Return in an edit box will now activate the default button
751 * in the dialog just like it will everywhere else.
753 if (event->keyval == GDK_Return && widget->parent != NULL) {
755 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
756 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
763 static void editbox_changed(GtkEditable *ed, gpointer data)
765 config_item *i = (config_item *)data;
768 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
771 static void button_toggled(GtkToggleButton *tb, gpointer data)
773 config_item *i = (config_item *)data;
775 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
778 static void droplist_sel(GtkMenuItem *item, gpointer data)
780 config_item *i = (config_item *)data;
782 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
786 static int get_config(frontend *fe, int which)
788 GtkWidget *w, *table, *cancel;
793 fe->cfg = midend_get_config(fe->me, which, &title);
794 fe->cfg_which = which;
797 fe->cfgbox = gtk_dialog_new();
798 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
801 w = gtk_button_new_with_label("OK");
802 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
805 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
806 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
807 gtk_signal_connect(GTK_OBJECT(w), "clicked",
808 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
810 w = gtk_button_new_with_label("Cancel");
811 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
814 gtk_signal_connect(GTK_OBJECT(w), "clicked",
815 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
818 table = gtk_table_new(1, 2, FALSE);
820 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
821 table, FALSE, FALSE, 0);
822 gtk_widget_show(table);
824 for (i = fe->cfg; i->type != C_END; i++) {
825 gtk_table_resize(GTK_TABLE(table), y+1, 2);
830 * Edit box with a label beside it.
833 w = gtk_label_new(i->name);
834 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
835 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
836 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
837 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
842 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
843 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
844 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
846 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
847 gtk_signal_connect(GTK_OBJECT(w), "changed",
848 GTK_SIGNAL_FUNC(editbox_changed), i);
849 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
850 GTK_SIGNAL_FUNC(editbox_key), NULL);
859 w = gtk_check_button_new_with_label(i->name);
860 gtk_signal_connect(GTK_OBJECT(w), "toggled",
861 GTK_SIGNAL_FUNC(button_toggled), i);
862 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
863 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
864 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
866 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
872 * Drop-down list (GtkOptionMenu).
875 w = gtk_label_new(i->name);
876 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
877 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
878 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
879 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
883 w = gtk_option_menu_new();
884 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
885 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
886 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
894 GtkWidget *menu = gtk_menu_new();
896 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
904 while (*q && *q != c)
907 name = snewn(q-p+1, char);
908 strncpy(name, p, q-p);
911 if (*q) q++; /* eat delimiter */
913 menuitem = gtk_menu_item_new_with_label(name);
914 gtk_container_add(GTK_CONTAINER(menu), menuitem);
915 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
916 GINT_TO_POINTER(val));
917 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
918 GTK_SIGNAL_FUNC(droplist_sel), i);
919 gtk_widget_show(menuitem);
926 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
935 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
936 GTK_SIGNAL_FUNC(window_destroy), NULL);
937 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
938 GTK_SIGNAL_FUNC(win_key_press), cancel);
939 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
940 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
941 GTK_WINDOW(fe->window));
942 /* set_transient_window_pos(fe->window, fe->cfgbox); */
943 gtk_widget_show(fe->cfgbox);
951 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
953 frontend *fe = (frontend *)data;
954 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
956 if (!midend_process_key(fe->me, 0, 0, key))
957 gtk_widget_destroy(fe->window);
960 static void get_size(frontend *fe, int *px, int *py)
965 * Currently I don't want to make the GTK port scale large
966 * puzzles to fit on the screen. This is because X does permit
967 * extremely large windows and many window managers provide a
968 * means of navigating round them, and the users I consulted
969 * before deciding said that they'd rather have enormous puzzle
970 * windows spanning multiple screen pages than have them
971 * shrunk. I could change my mind later or introduce
972 * configurability; this would be the place to do so, by
973 * replacing the initial values of x and y with the screen
978 midend_size(fe->me, &x, &y, FALSE);
983 #if !GTK_CHECK_VERSION(2,0,0)
984 #define gtk_window_resize(win, x, y) \
985 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
988 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
990 frontend *fe = (frontend *)data;
991 game_params *params =
992 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
995 midend_set_params(fe->me, params);
996 midend_new_game(fe->me);
997 get_size(fe, &x, &y);
1000 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1003 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1004 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1008 GdkAtom compound_text_atom, utf8_string_atom;
1009 int paste_initialised = FALSE;
1013 unsigned char empty[] = { 0 };
1015 if (paste_initialised)
1018 if (!compound_text_atom)
1019 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1020 if (!utf8_string_atom)
1021 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1024 * Ensure that all the cut buffers exist - according to the
1025 * ICCCM, we must do this before we start using cut buffers.
1027 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1028 XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
1029 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1030 XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
1031 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1032 XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
1033 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1034 XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
1035 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1036 XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
1037 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1038 XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
1039 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1040 XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
1041 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1042 XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
1045 /* Store data in a cut-buffer. */
1046 void store_cutbuffer(char *ptr, int len)
1048 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1049 XRotateBuffers(GDK_DISPLAY(), 1);
1050 XStoreBytes(GDK_DISPLAY(), ptr, len);
1053 void write_clip(frontend *fe, char *data)
1058 sfree(fe->paste_data);
1061 * For this simple application we can safely assume that the
1062 * data passed to this function is pure ASCII, which means we
1063 * can return precisely the same stuff for types STRING,
1064 * COMPOUND_TEXT or UTF8_STRING.
1067 fe->paste_data = data;
1068 fe->paste_data_len = strlen(data);
1070 store_cutbuffer(fe->paste_data, fe->paste_data_len);
1072 if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
1074 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1075 GDK_SELECTION_TYPE_STRING, 1);
1076 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1077 compound_text_atom, 1);
1078 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1079 utf8_string_atom, 1);
1083 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1084 guint info, guint time_stamp, gpointer data)
1086 frontend *fe = (frontend *)data;
1087 gtk_selection_data_set(seldata, seldata->target, 8,
1088 fe->paste_data, fe->paste_data_len);
1091 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1094 frontend *fe = (frontend *)data;
1097 sfree(fe->paste_data);
1098 fe->paste_data = NULL;
1099 fe->paste_data_len = 0;
1103 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1105 frontend *fe = (frontend *)data;
1108 text = midend_text_format(fe->me);
1111 write_clip(fe, text);
1117 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
1119 frontend *fe = (frontend *)data;
1122 msg = midend_solve(fe->me);
1125 error_box(fe->window, msg);
1128 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
1130 frontend *fe = (frontend *)data;
1132 midend_restart_game(fe->me);
1135 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
1137 frontend *fe = (frontend *)data;
1138 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1142 if (!get_config(fe, which))
1145 midend_new_game(fe->me);
1146 get_size(fe, &x, &y);
1149 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1152 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1153 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1157 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
1159 frontend *fe = (frontend *)data;
1163 sprintf(titlebuf, "About %.200s", thegame.name);
1166 "from Simon Tatham's Portable Puzzle Collection\n\n"
1167 "%.500s", thegame.name, ver);
1169 message_box(fe->window, titlebuf, textbuf, TRUE);
1172 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
1173 char *text, int key)
1175 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
1176 gtk_container_add(cont, menuitem);
1177 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1178 GINT_TO_POINTER(key));
1179 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1180 GTK_SIGNAL_FUNC(menu_key_event), fe);
1181 gtk_widget_show(menuitem);
1185 static void add_menu_separator(GtkContainer *cont)
1187 GtkWidget *menuitem = gtk_menu_item_new();
1188 gtk_container_add(cont, menuitem);
1189 gtk_widget_show(menuitem);
1192 static frontend *new_window(char *game_id, char **error)
1196 GtkWidget *menubar, *menu, *menuitem;
1199 fe = snew(frontend);
1201 fe->timer_active = FALSE;
1204 fe->me = midend_new(fe, &thegame);
1207 *error = midend_game_id(fe->me, game_id);
1209 midend_free(fe->me);
1214 midend_new_game(fe->me);
1216 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1217 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
1219 gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE);
1221 gtk_window_set_policy(GTK_WINDOW(fe->window), FALSE, FALSE, TRUE);
1223 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
1224 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
1225 gtk_widget_show(GTK_WIDGET(vbox));
1227 menubar = gtk_menu_bar_new();
1228 gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
1229 gtk_widget_show(menubar);
1231 menuitem = gtk_menu_item_new_with_label("Game");
1232 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1233 gtk_widget_show(menuitem);
1235 menu = gtk_menu_new();
1236 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1238 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
1240 menuitem = gtk_menu_item_new_with_label("Restart");
1241 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1242 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1243 GTK_SIGNAL_FUNC(menu_restart_event), fe);
1244 gtk_widget_show(menuitem);
1246 menuitem = gtk_menu_item_new_with_label("Specific...");
1247 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1248 GINT_TO_POINTER(CFG_DESC));
1249 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1250 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1251 GTK_SIGNAL_FUNC(menu_config_event), fe);
1252 gtk_widget_show(menuitem);
1254 menuitem = gtk_menu_item_new_with_label("Random Seed...");
1255 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1256 GINT_TO_POINTER(CFG_SEED));
1257 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1258 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1259 GTK_SIGNAL_FUNC(menu_config_event), fe);
1260 gtk_widget_show(menuitem);
1262 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
1266 menuitem = gtk_menu_item_new_with_label("Type");
1267 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1268 gtk_widget_show(menuitem);
1270 submenu = gtk_menu_new();
1271 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
1273 for (i = 0; i < n; i++) {
1275 game_params *params;
1277 midend_fetch_preset(fe->me, i, &name, ¶ms);
1279 menuitem = gtk_menu_item_new_with_label(name);
1280 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1281 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
1282 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1283 GTK_SIGNAL_FUNC(menu_preset_event), fe);
1284 gtk_widget_show(menuitem);
1287 if (thegame.can_configure) {
1288 menuitem = gtk_menu_item_new_with_label("Custom...");
1289 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1290 GPOINTER_TO_INT(CFG_SETTINGS));
1291 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1292 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1293 GTK_SIGNAL_FUNC(menu_config_event), fe);
1294 gtk_widget_show(menuitem);
1298 add_menu_separator(GTK_CONTAINER(menu));
1299 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
1300 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12');
1301 if (thegame.can_format_as_text) {
1302 add_menu_separator(GTK_CONTAINER(menu));
1303 menuitem = gtk_menu_item_new_with_label("Copy");
1304 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1305 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1306 GTK_SIGNAL_FUNC(menu_copy_event), fe);
1307 gtk_widget_show(menuitem);
1309 if (thegame.can_solve) {
1310 add_menu_separator(GTK_CONTAINER(menu));
1311 menuitem = gtk_menu_item_new_with_label("Solve");
1312 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1313 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1314 GTK_SIGNAL_FUNC(menu_solve_event), fe);
1315 gtk_widget_show(menuitem);
1317 add_menu_separator(GTK_CONTAINER(menu));
1318 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
1320 menuitem = gtk_menu_item_new_with_label("Help");
1321 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1322 gtk_widget_show(menuitem);
1324 menu = gtk_menu_new();
1325 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1327 menuitem = gtk_menu_item_new_with_label("About");
1328 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1329 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1330 GTK_SIGNAL_FUNC(menu_about_event), fe);
1331 gtk_widget_show(menuitem);
1338 fe->colmap = gdk_colormap_get_system();
1339 colours = midend_colours(fe->me, &ncolours);
1340 fe->ncolours = ncolours;
1341 fe->colours = snewn(ncolours, GdkColor);
1342 for (i = 0; i < ncolours; i++) {
1343 fe->colours[i].red = colours[i*3] * 0xFFFF;
1344 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
1345 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
1347 success = snewn(ncolours, gboolean);
1348 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
1349 FALSE, FALSE, success);
1350 for (i = 0; i < ncolours; i++) {
1352 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1353 i, fe->colours[i].red >> 8,
1354 fe->colours[i].green >> 8,
1355 fe->colours[i].blue >> 8);
1359 if (midend_wants_statusbar(fe->me)) {
1360 GtkWidget *viewport;
1363 viewport = gtk_viewport_new(NULL, NULL);
1364 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
1365 fe->statusbar = gtk_statusbar_new();
1366 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
1367 gtk_widget_show(viewport);
1368 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
1369 gtk_widget_show(fe->statusbar);
1370 fe->statusctx = gtk_statusbar_get_context_id
1371 (GTK_STATUSBAR(fe->statusbar), "game");
1372 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
1374 gtk_widget_size_request(fe->statusbar, &req);
1376 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1378 gtk_widget_set_usize(viewport, -1, req.height);
1380 fe->statusbar = NULL;
1382 fe->area = gtk_drawing_area_new();
1383 get_size(fe, &x, &y);
1384 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1388 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
1392 fe->nfonts = fe->fontsize = 0;
1394 fe->laststatus = NULL;
1396 fe->paste_data = NULL;
1397 fe->paste_data_len = 0;
1399 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
1400 GTK_SIGNAL_FUNC(destroy), fe);
1401 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
1402 GTK_SIGNAL_FUNC(key_event), fe);
1403 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
1404 GTK_SIGNAL_FUNC(button_event), fe);
1405 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
1406 GTK_SIGNAL_FUNC(button_event), fe);
1407 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
1408 GTK_SIGNAL_FUNC(motion_event), fe);
1409 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
1410 GTK_SIGNAL_FUNC(selection_get), fe);
1411 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
1412 GTK_SIGNAL_FUNC(selection_clear), fe);
1413 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
1414 GTK_SIGNAL_FUNC(expose_area), fe);
1415 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
1416 GTK_SIGNAL_FUNC(map_window), fe);
1417 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
1418 GTK_SIGNAL_FUNC(configure_area), fe);
1420 gtk_widget_add_events(GTK_WIDGET(fe->area),
1421 GDK_BUTTON_PRESS_MASK |
1422 GDK_BUTTON_RELEASE_MASK |
1423 GDK_BUTTON_MOTION_MASK);
1425 gtk_widget_show(fe->area);
1426 gtk_widget_show(fe->window);
1428 gdk_window_set_background(fe->area->window, &fe->colours[0]);
1429 gdk_window_set_background(fe->window->window, &fe->colours[0]);
1434 int main(int argc, char **argv)
1436 char *pname = argv[0];
1439 if (argc > 1 && !strcmp(argv[1], "--version")) {
1440 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1446 * Special standalone mode for generating puzzle IDs on the
1447 * command line. Useful for generating puzzles to be printed
1448 * out and solved offline (for puzzles where that even makes
1449 * sense - Solo, for example, is a lot more pencil-and-paper
1450 * friendly than Net!)
1454 * <puzzle-name> --generate [<n> [<params>]]
1456 * <n>, if present, is the number of puzzle IDs to generate.
1457 * <params>, if present, is the same type of parameter string
1458 * you would pass to the puzzle when running it in GUI mode,
1459 * including optional extras such as the expansion factor in
1460 * Rectangles and the difficulty level in Solo.
1462 * If you specify <params>, you must also specify <n> (although
1463 * you may specify it to be 1). Sorry; that was the
1464 * simplest-to-parse command-line syntax I came up with.
1466 if (argc > 1 && !strcmp(argv[1], "--generate")) {
1468 char *params = NULL, *seed = NULL;
1478 par = thegame.default_params();
1480 if ( (seed = strchr(params, '#')) != NULL )
1482 thegame.decode_params(par, params);
1484 if ((error = thegame.validate_params(par)) != NULL) {
1485 fprintf(stderr, "%s: %s\n", pname, error);
1488 parstr = thegame.encode_params(par, FALSE);
1495 seedlen = strlen(seed);
1497 get_random_seed(&seeddata, &seedlen);
1499 rs = random_init(seeddata, seedlen);
1503 game_aux_info *aux = NULL;
1504 char *desc = thegame.new_desc(par, rs, &aux, FALSE);
1505 printf("%s:%s\n", parstr, desc);
1508 thegame.free_aux_info(aux);
1514 gtk_init(&argc, &argv);
1516 if (!new_window(argc > 1 ? argv[1] : NULL, &error)) {
1517 fprintf(stderr, "%s: %s\n", pname, error);