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 */
124 void get_random_seed(void **randseed, int *randseedsize)
126 struct timeval *tvp = snew(struct timeval);
127 gettimeofday(tvp, NULL);
128 *randseed = (void *)tvp;
129 *randseedsize = sizeof(struct timeval);
132 void frontend_default_colour(frontend *fe, float *output)
134 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
135 output[0] = col.red / 65535.0;
136 output[1] = col.green / 65535.0;
137 output[2] = col.blue / 65535.0;
140 void status_bar(frontend *fe, char *text)
144 assert(fe->statusbar);
146 rewritten = midend_rewrite_statusbar(fe->me, text);
147 if (!fe->laststatus || strcmp(rewritten, fe->laststatus)) {
148 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
149 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, rewritten);
150 sfree(fe->laststatus);
151 fe->laststatus = rewritten;
157 void start_draw(frontend *fe)
159 fe->gc = gdk_gc_new(fe->area->window);
166 void clip(frontend *fe, int x, int y, int w, int h)
175 gdk_gc_set_clip_rectangle(fe->gc, &rect);
178 void unclip(frontend *fe)
187 gdk_gc_set_clip_rectangle(fe->gc, &rect);
190 void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
191 int align, int colour, char *text)
196 * Find or create the font.
198 for (i = 0; i < fe->nfonts; i++)
199 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
202 if (i == fe->nfonts) {
203 if (fe->fontsize <= fe->nfonts) {
204 fe->fontsize = fe->nfonts + 10;
205 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
210 fe->fonts[i].type = fonttype;
211 fe->fonts[i].size = fontsize;
215 * Use Pango to find the closest match to the requested
219 PangoFontDescription *fd;
221 fd = pango_font_description_new();
222 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
223 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
224 "Monospace" : "Sans");
225 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
227 * I found some online Pango documentation which
228 * described a function called
229 * pango_font_description_set_absolute_size(), which is
230 * _exactly_ what I want here. Unfortunately, none of
231 * my local Pango installations have it (presumably
232 * they're too old), so I'm going to have to hack round
233 * it by figuring out the point size myself. This
234 * limits me to X and probably also breaks in later
235 * Pango installations, so ideally I should add another
236 * CHECK_VERSION type ifdef and use set_absolute_size
237 * where available. All very annoying.
239 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
240 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
243 Display *d = GDK_DISPLAY();
244 int s = DefaultScreen(d);
246 (PANGO_SCALE * 72.27 / 25.4) *
247 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
248 pango_font_description_set_size(fd, resolution * fontsize);
251 fe->fonts[i].desc = fd;
256 * In GTK 1.2, I don't know of any plausible way to
257 * pick a suitable font, so I'm just going to be
260 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
261 "fixed" : "variable");
269 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
280 layout = pango_layout_new(gtk_widget_get_pango_context(fe->area));
281 pango_layout_set_font_description(layout, fe->fonts[i].desc);
282 pango_layout_set_text(layout, text, strlen(text));
283 pango_layout_get_pixel_extents(layout, NULL, &rect);
285 if (align & ALIGN_VCENTRE)
286 rect.y -= rect.height / 2;
288 if (align & ALIGN_HCENTRE)
289 rect.x -= rect.width / 2;
290 else if (align & ALIGN_HRIGHT)
291 rect.x -= rect.width;
293 gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout);
295 g_object_unref(layout);
300 * Find string dimensions and process alignment.
303 int lb, rb, wid, asc, desc;
306 * Measure vertical string extents with respect to the same
309 gdk_string_extents(fe->fonts[i].font,
310 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
311 &lb, &rb, &wid, &asc, &desc);
312 if (align & ALIGN_VCENTRE)
313 y += asc - (asc+desc)/2;
316 * ... but horizontal extents with respect to the provided
317 * string. This means that multiple pieces of text centred
318 * on the same y-coordinate don't have different baselines.
320 gdk_string_extents(fe->fonts[i].font, text,
321 &lb, &rb, &wid, &asc, &desc);
323 if (align & ALIGN_HCENTRE)
325 else if (align & ALIGN_HRIGHT)
331 * Actually draw the text.
333 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
338 void draw_rect(frontend *fe, int x, int y, int w, int h, int colour)
340 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
341 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
344 void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour)
346 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
347 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
350 void draw_polygon(frontend *fe, int *coords, int npoints,
351 int fillcolour, int outlinecolour)
353 GdkPoint *points = snewn(npoints, GdkPoint);
356 for (i = 0; i < npoints; i++) {
357 points[i].x = coords[i*2];
358 points[i].y = coords[i*2+1];
361 if (fillcolour >= 0) {
362 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
363 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
365 assert(outlinecolour >= 0);
366 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
367 gdk_draw_polygon(fe->pixmap, fe->gc, FALSE, points, npoints);
372 void draw_circle(frontend *fe, int cx, int cy, int radius,
373 int fillcolour, int outlinecolour)
375 if (fillcolour >= 0) {
376 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
377 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
378 cx - radius, cy - radius,
379 2 * radius, 2 * radius, 0, 360 * 64);
382 assert(outlinecolour >= 0);
383 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
384 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
385 cx - radius, cy - radius,
386 2 * radius, 2 * radius, 0, 360 * 64);
394 blitter *blitter_new(int w, int h)
397 * We can't create the pixmap right now, because fe->window
398 * might not yet exist. So we just cache w and h and create it
399 * during the firs call to blitter_save.
401 blitter *bl = snew(blitter);
408 void blitter_free(blitter *bl)
411 gdk_pixmap_unref(bl->pixmap);
415 void blitter_save(frontend *fe, blitter *bl, int x, int y)
418 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
421 gdk_draw_pixmap(bl->pixmap,
422 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
424 x, y, 0, 0, bl->w, bl->h);
427 void blitter_load(frontend *fe, blitter *bl, int x, int y)
430 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
434 gdk_draw_pixmap(fe->pixmap,
435 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
437 0, 0, x, y, bl->w, bl->h);
440 void draw_update(frontend *fe, int x, int y, int w, int h)
442 if (fe->bbox_l > x ) fe->bbox_l = x ;
443 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
444 if (fe->bbox_u > y ) fe->bbox_u = y ;
445 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
448 void end_draw(frontend *fe)
450 gdk_gc_unref(fe->gc);
453 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
454 gdk_draw_pixmap(fe->area->window,
455 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
457 fe->bbox_l, fe->bbox_u,
458 fe->ox + fe->bbox_l, fe->oy + fe->bbox_u,
459 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
463 static void destroy(GtkWidget *widget, gpointer data)
465 frontend *fe = (frontend *)data;
466 deactivate_timer(fe);
471 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
473 frontend *fe = (frontend *)data;
475 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
476 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
481 if (event->keyval == GDK_Up)
482 keyval = shift | ctrl | CURSOR_UP;
483 else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
484 keyval = MOD_NUM_KEYPAD | '8';
485 else if (event->keyval == GDK_Down)
486 keyval = shift | ctrl | CURSOR_DOWN;
487 else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
488 keyval = MOD_NUM_KEYPAD | '2';
489 else if (event->keyval == GDK_Left)
490 keyval = shift | ctrl | CURSOR_LEFT;
491 else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
492 keyval = MOD_NUM_KEYPAD | '4';
493 else if (event->keyval == GDK_Right)
494 keyval = shift | ctrl | CURSOR_RIGHT;
495 else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
496 keyval = MOD_NUM_KEYPAD | '6';
497 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
498 keyval = MOD_NUM_KEYPAD | '7';
499 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
500 keyval = MOD_NUM_KEYPAD | '1';
501 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
502 keyval = MOD_NUM_KEYPAD | '9';
503 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
504 keyval = MOD_NUM_KEYPAD | '3';
505 else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
506 keyval = MOD_NUM_KEYPAD | '0';
507 else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
508 keyval = MOD_NUM_KEYPAD | '5';
509 else if (event->string[0] && !event->string[1])
510 keyval = (unsigned char)event->string[0];
515 !midend_process_key(fe->me, 0, 0, keyval))
516 gtk_widget_destroy(fe->window);
521 static gint button_event(GtkWidget *widget, GdkEventButton *event,
524 frontend *fe = (frontend *)data;
530 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
533 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
534 button = MIDDLE_BUTTON;
535 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
536 button = RIGHT_BUTTON;
537 else if (event->button == 1)
538 button = LEFT_BUTTON;
540 return FALSE; /* don't even know what button! */
542 if (event->type == GDK_BUTTON_RELEASE)
543 button += LEFT_RELEASE - LEFT_BUTTON;
545 if (!midend_process_key(fe->me, event->x - fe->ox,
546 event->y - fe->oy, button))
547 gtk_widget_destroy(fe->window);
552 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
555 frontend *fe = (frontend *)data;
561 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
562 button = MIDDLE_DRAG;
563 else if (event->state & GDK_BUTTON1_MASK)
565 else if (event->state & GDK_BUTTON3_MASK)
568 return FALSE; /* don't even know what button! */
570 if (!midend_process_key(fe->me, event->x - fe->ox,
571 event->y - fe->oy, button))
572 gtk_widget_destroy(fe->window);
577 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
580 frontend *fe = (frontend *)data;
583 gdk_draw_pixmap(widget->window,
584 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
586 event->area.x - fe->ox, event->area.y - fe->oy,
587 event->area.x, event->area.y,
588 event->area.width, event->area.height);
593 static gint map_window(GtkWidget *widget, GdkEvent *event,
596 frontend *fe = (frontend *)data;
599 * Apparently we need to do this because otherwise the status
600 * bar will fail to update immediately. Annoying, but there we
603 gtk_widget_queue_draw(fe->window);
608 static gint configure_area(GtkWidget *widget,
609 GdkEventConfigure *event, gpointer data)
611 frontend *fe = (frontend *)data;
616 gdk_pixmap_unref(fe->pixmap);
618 x = fe->w = event->width;
619 y = fe->h = event->height;
620 midend_size(fe->me, &x, &y, TRUE);
623 fe->ox = (fe->w - fe->pw) / 2;
624 fe->oy = (fe->h - fe->ph) / 2;
626 fe->pixmap = gdk_pixmap_new(widget->window, fe->pw, fe->ph, -1);
628 gc = gdk_gc_new(fe->area->window);
629 gdk_gc_set_foreground(gc, &fe->colours[0]);
630 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
633 midend_force_redraw(fe->me);
638 static gint timer_func(gpointer data)
640 frontend *fe = (frontend *)data;
642 if (fe->timer_active) {
645 gettimeofday(&now, NULL);
646 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
647 (now.tv_sec - fe->last_time.tv_sec));
648 midend_timer(fe->me, elapsed); /* may clear timer_active */
652 return fe->timer_active;
655 void deactivate_timer(frontend *fe)
657 if (fe->timer_active)
658 gtk_timeout_remove(fe->timer_id);
659 fe->timer_active = FALSE;
662 void activate_timer(frontend *fe)
664 if (!fe->timer_active) {
665 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
666 gettimeofday(&fe->last_time, NULL);
668 fe->timer_active = TRUE;
671 static void window_destroy(GtkWidget *widget, gpointer data)
676 static void msgbox_button_clicked(GtkButton *button, gpointer data)
678 GtkWidget *window = GTK_WIDGET(data);
681 ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data");
682 v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data"));
685 gtk_widget_destroy(GTK_WIDGET(data));
688 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
690 GtkObject *cancelbutton = GTK_OBJECT(data);
693 * `Escape' effectively clicks the cancel button
695 if (event->keyval == GDK_Escape) {
696 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
703 enum { MB_OK, MB_YESNO };
705 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
708 GtkWidget *window, *hbox, *text, *button;
712 window = gtk_dialog_new();
713 text = gtk_label_new(msg);
714 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
715 hbox = gtk_hbox_new(FALSE, 0);
716 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
717 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
718 hbox, FALSE, FALSE, 20);
719 gtk_widget_show(text);
720 gtk_widget_show(hbox);
721 gtk_window_set_title(GTK_WINDOW(window), title);
722 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
728 assert(type == MB_YESNO);
729 titles = "Yes\0No\0";
736 button = gtk_button_new_with_label(titles);
737 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
738 button, FALSE, FALSE, 0);
739 gtk_widget_show(button);
741 GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
742 gtk_window_set_default(GTK_WINDOW(window), button);
745 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
746 GTK_SIGNAL_FUNC(win_key_press), button);
748 gtk_signal_connect(GTK_OBJECT(button), "clicked",
749 GTK_SIGNAL_FUNC(msgbox_button_clicked), window);
750 gtk_object_set_data(GTK_OBJECT(button), "user-data",
752 titles += strlen(titles)+1;
755 gtk_object_set_data(GTK_OBJECT(window), "user-data",
756 GINT_TO_POINTER(&i));
757 gtk_signal_connect(GTK_OBJECT(window), "destroy",
758 GTK_SIGNAL_FUNC(window_destroy), NULL);
759 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
760 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
761 /* set_transient_window_pos(parent, window); */
762 gtk_widget_show(window);
765 return (type == MB_YESNO ? i == 0 : TRUE);
768 void error_box(GtkWidget *parent, char *msg)
770 message_box(parent, "Error", msg, FALSE, MB_OK);
773 static void config_ok_button_clicked(GtkButton *button, gpointer data)
775 frontend *fe = (frontend *)data;
778 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
781 error_box(fe->cfgbox, err);
784 gtk_widget_destroy(fe->cfgbox);
788 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
790 frontend *fe = (frontend *)data;
792 gtk_widget_destroy(fe->cfgbox);
795 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
798 * GtkEntry has a nasty habit of eating the Return key, which
799 * is unhelpful since it doesn't actually _do_ anything with it
800 * (it calls gtk_widget_activate, but our edit boxes never need
801 * activating). So I catch Return before GtkEntry sees it, and
802 * pass it straight on to the parent widget. Effect: hitting
803 * Return in an edit box will now activate the default button
804 * in the dialog just like it will everywhere else.
806 if (event->keyval == GDK_Return && widget->parent != NULL) {
808 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
809 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
816 static void editbox_changed(GtkEditable *ed, gpointer data)
818 config_item *i = (config_item *)data;
821 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
824 static void button_toggled(GtkToggleButton *tb, gpointer data)
826 config_item *i = (config_item *)data;
828 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
831 static void droplist_sel(GtkMenuItem *item, gpointer data)
833 config_item *i = (config_item *)data;
835 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
839 static int get_config(frontend *fe, int which)
841 GtkWidget *w, *table, *cancel;
846 fe->cfg = midend_get_config(fe->me, which, &title);
847 fe->cfg_which = which;
850 fe->cfgbox = gtk_dialog_new();
851 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
854 w = gtk_button_new_with_label("OK");
855 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
858 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
859 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
860 gtk_signal_connect(GTK_OBJECT(w), "clicked",
861 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
863 w = gtk_button_new_with_label("Cancel");
864 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
867 gtk_signal_connect(GTK_OBJECT(w), "clicked",
868 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
871 table = gtk_table_new(1, 2, FALSE);
873 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
874 table, FALSE, FALSE, 0);
875 gtk_widget_show(table);
877 for (i = fe->cfg; i->type != C_END; i++) {
878 gtk_table_resize(GTK_TABLE(table), y+1, 2);
883 * Edit box with a label beside it.
886 w = gtk_label_new(i->name);
887 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
888 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
889 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
890 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
895 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
896 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
897 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
899 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
900 gtk_signal_connect(GTK_OBJECT(w), "changed",
901 GTK_SIGNAL_FUNC(editbox_changed), i);
902 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
903 GTK_SIGNAL_FUNC(editbox_key), NULL);
912 w = gtk_check_button_new_with_label(i->name);
913 gtk_signal_connect(GTK_OBJECT(w), "toggled",
914 GTK_SIGNAL_FUNC(button_toggled), i);
915 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
916 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
917 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
919 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
925 * Drop-down list (GtkOptionMenu).
928 w = gtk_label_new(i->name);
929 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
930 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
931 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
932 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
936 w = gtk_option_menu_new();
937 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
938 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
939 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
947 GtkWidget *menu = gtk_menu_new();
949 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
957 while (*q && *q != c)
960 name = snewn(q-p+1, char);
961 strncpy(name, p, q-p);
964 if (*q) q++; /* eat delimiter */
966 menuitem = gtk_menu_item_new_with_label(name);
967 gtk_container_add(GTK_CONTAINER(menu), menuitem);
968 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
969 GINT_TO_POINTER(val));
970 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
971 GTK_SIGNAL_FUNC(droplist_sel), i);
972 gtk_widget_show(menuitem);
979 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
988 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
989 GTK_SIGNAL_FUNC(window_destroy), NULL);
990 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
991 GTK_SIGNAL_FUNC(win_key_press), cancel);
992 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
993 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
994 GTK_WINDOW(fe->window));
995 /* set_transient_window_pos(fe->window, fe->cfgbox); */
996 gtk_widget_show(fe->cfgbox);
1004 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1006 frontend *fe = (frontend *)data;
1007 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1009 if (!midend_process_key(fe->me, 0, 0, key))
1010 gtk_widget_destroy(fe->window);
1013 static void get_size(frontend *fe, int *px, int *py)
1018 * Currently I don't want to make the GTK port scale large
1019 * puzzles to fit on the screen. This is because X does permit
1020 * extremely large windows and many window managers provide a
1021 * means of navigating round them, and the users I consulted
1022 * before deciding said that they'd rather have enormous puzzle
1023 * windows spanning multiple screen pages than have them
1024 * shrunk. I could change my mind later or introduce
1025 * configurability; this would be the place to do so, by
1026 * replacing the initial values of x and y with the screen
1031 midend_size(fe->me, &x, &y, FALSE);
1036 #if !GTK_CHECK_VERSION(2,0,0)
1037 #define gtk_window_resize(win, x, y) \
1038 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1041 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1043 frontend *fe = (frontend *)data;
1044 game_params *params =
1045 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
1048 midend_set_params(fe->me, params);
1049 midend_new_game(fe->me);
1050 get_size(fe, &x, &y);
1053 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1056 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1057 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1061 GdkAtom compound_text_atom, utf8_string_atom;
1062 int paste_initialised = FALSE;
1066 unsigned char empty[] = { 0 };
1068 if (paste_initialised)
1071 if (!compound_text_atom)
1072 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1073 if (!utf8_string_atom)
1074 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1077 * Ensure that all the cut buffers exist - according to the
1078 * ICCCM, we must do this before we start using cut buffers.
1080 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1081 XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
1082 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1083 XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
1084 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1085 XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
1086 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1087 XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
1088 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1089 XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
1090 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1091 XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
1092 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1093 XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
1094 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1095 XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
1098 /* Store data in a cut-buffer. */
1099 void store_cutbuffer(char *ptr, int len)
1101 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1102 XRotateBuffers(GDK_DISPLAY(), 1);
1103 XStoreBytes(GDK_DISPLAY(), ptr, len);
1106 void write_clip(frontend *fe, char *data)
1111 sfree(fe->paste_data);
1114 * For this simple application we can safely assume that the
1115 * data passed to this function is pure ASCII, which means we
1116 * can return precisely the same stuff for types STRING,
1117 * COMPOUND_TEXT or UTF8_STRING.
1120 fe->paste_data = data;
1121 fe->paste_data_len = strlen(data);
1123 store_cutbuffer(fe->paste_data, fe->paste_data_len);
1125 if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
1127 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1128 GDK_SELECTION_TYPE_STRING, 1);
1129 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1130 compound_text_atom, 1);
1131 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1132 utf8_string_atom, 1);
1136 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1137 guint info, guint time_stamp, gpointer data)
1139 frontend *fe = (frontend *)data;
1140 gtk_selection_data_set(seldata, seldata->target, 8,
1141 fe->paste_data, fe->paste_data_len);
1144 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1147 frontend *fe = (frontend *)data;
1150 sfree(fe->paste_data);
1151 fe->paste_data = NULL;
1152 fe->paste_data_len = 0;
1156 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1158 frontend *fe = (frontend *)data;
1161 text = midend_text_format(fe->me);
1164 write_clip(fe, text);
1170 static void filesel_ok(GtkButton *button, gpointer data)
1172 frontend *fe = (frontend *)data;
1174 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1177 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1179 fe->filesel_name = dupstr(name);
1182 static char *file_selector(frontend *fe, char *title, int save)
1184 GtkWidget *filesel =
1185 gtk_file_selection_new(title);
1187 fe->filesel_name = NULL;
1189 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1191 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1194 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1195 GTK_SIGNAL_FUNC(filesel_ok), fe);
1196 gtk_signal_connect_object
1197 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1198 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1199 gtk_signal_connect_object
1200 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1201 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1202 gtk_signal_connect(GTK_OBJECT(filesel), "destroy",
1203 GTK_SIGNAL_FUNC(window_destroy), NULL);
1204 gtk_widget_show(filesel);
1205 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
1208 return fe->filesel_name;
1211 static void savefile_write(void *wctx, void *buf, int len)
1213 FILE *fp = (FILE *)wctx;
1214 fwrite(buf, 1, len, fp);
1217 static int savefile_read(void *wctx, void *buf, int len)
1219 FILE *fp = (FILE *)wctx;
1222 ret = fread(buf, 1, len, fp);
1223 return (ret == len);
1226 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
1228 frontend *fe = (frontend *)data;
1231 name = file_selector(fe, "Enter name of game file to save", TRUE);
1236 if ((fp = fopen(name, "r")) != NULL) {
1237 char buf[256 + FILENAME_MAX];
1241 sprintf(buf, "Are you sure you want to overwrite the"
1243 FILENAME_MAX, name);
1244 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
1248 fp = fopen(name, "w");
1252 error_box(fe->window, "Unable to open save file");
1256 midend_serialise(fe->me, savefile_write, fp);
1262 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
1264 frontend *fe = (frontend *)data;
1268 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
1271 FILE *fp = fopen(name, "r");
1275 error_box(fe->window, "Unable to open saved game file");
1279 err = midend_deserialise(fe->me, savefile_read, fp);
1284 error_box(fe->window, err);
1288 get_size(fe, &x, &y);
1291 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1294 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1295 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1301 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
1303 frontend *fe = (frontend *)data;
1306 msg = midend_solve(fe->me);
1309 error_box(fe->window, msg);
1312 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
1314 frontend *fe = (frontend *)data;
1316 midend_restart_game(fe->me);
1319 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
1321 frontend *fe = (frontend *)data;
1322 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1326 if (!get_config(fe, which))
1329 midend_new_game(fe->me);
1330 get_size(fe, &x, &y);
1333 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1336 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1337 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1341 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
1343 frontend *fe = (frontend *)data;
1347 sprintf(titlebuf, "About %.200s", thegame.name);
1350 "from Simon Tatham's Portable Puzzle Collection\n\n"
1351 "%.500s", thegame.name, ver);
1353 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
1356 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
1357 char *text, int key)
1359 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
1360 gtk_container_add(cont, menuitem);
1361 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1362 GINT_TO_POINTER(key));
1363 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1364 GTK_SIGNAL_FUNC(menu_key_event), fe);
1365 gtk_widget_show(menuitem);
1369 static void add_menu_separator(GtkContainer *cont)
1371 GtkWidget *menuitem = gtk_menu_item_new();
1372 gtk_container_add(cont, menuitem);
1373 gtk_widget_show(menuitem);
1376 static frontend *new_window(char *arg, char **error)
1380 GtkWidget *menubar, *menu, *menuitem;
1383 fe = snew(frontend);
1385 fe->timer_active = FALSE;
1388 fe->me = midend_new(fe, &thegame);
1393 * Try treating the argument as a game ID.
1395 err = midend_game_id(fe->me, arg);
1398 * It's a valid game ID.
1400 midend_new_game(fe->me);
1402 FILE *fp = fopen(arg, "r");
1404 err = "Supplied argument is neither a game ID nor a save file";
1406 err = midend_deserialise(fe->me, savefile_read, fp);
1412 midend_free(fe->me);
1418 midend_new_game(fe->me);
1421 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1422 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
1424 gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE);
1426 gtk_window_set_policy(GTK_WINDOW(fe->window), FALSE, FALSE, TRUE);
1428 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
1429 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
1430 gtk_widget_show(GTK_WIDGET(vbox));
1432 menubar = gtk_menu_bar_new();
1433 gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
1434 gtk_widget_show(menubar);
1436 menuitem = gtk_menu_item_new_with_label("Game");
1437 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1438 gtk_widget_show(menuitem);
1440 menu = gtk_menu_new();
1441 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1443 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
1445 menuitem = gtk_menu_item_new_with_label("Restart");
1446 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1447 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1448 GTK_SIGNAL_FUNC(menu_restart_event), fe);
1449 gtk_widget_show(menuitem);
1451 menuitem = gtk_menu_item_new_with_label("Specific...");
1452 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1453 GINT_TO_POINTER(CFG_DESC));
1454 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1455 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1456 GTK_SIGNAL_FUNC(menu_config_event), fe);
1457 gtk_widget_show(menuitem);
1459 menuitem = gtk_menu_item_new_with_label("Random Seed...");
1460 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1461 GINT_TO_POINTER(CFG_SEED));
1462 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1463 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1464 GTK_SIGNAL_FUNC(menu_config_event), fe);
1465 gtk_widget_show(menuitem);
1467 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
1471 menuitem = gtk_menu_item_new_with_label("Type");
1472 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1473 gtk_widget_show(menuitem);
1475 submenu = gtk_menu_new();
1476 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
1478 for (i = 0; i < n; i++) {
1480 game_params *params;
1482 midend_fetch_preset(fe->me, i, &name, ¶ms);
1484 menuitem = gtk_menu_item_new_with_label(name);
1485 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1486 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
1487 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1488 GTK_SIGNAL_FUNC(menu_preset_event), fe);
1489 gtk_widget_show(menuitem);
1492 if (thegame.can_configure) {
1493 menuitem = gtk_menu_item_new_with_label("Custom...");
1494 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1495 GPOINTER_TO_INT(CFG_SETTINGS));
1496 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1497 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1498 GTK_SIGNAL_FUNC(menu_config_event), fe);
1499 gtk_widget_show(menuitem);
1503 add_menu_separator(GTK_CONTAINER(menu));
1504 menuitem = gtk_menu_item_new_with_label("Load");
1505 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1506 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1507 GTK_SIGNAL_FUNC(menu_load_event), fe);
1508 gtk_widget_show(menuitem);
1509 menuitem = gtk_menu_item_new_with_label("Save");
1510 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1511 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1512 GTK_SIGNAL_FUNC(menu_save_event), fe);
1513 gtk_widget_show(menuitem);
1514 add_menu_separator(GTK_CONTAINER(menu));
1515 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
1516 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12');
1517 if (thegame.can_format_as_text) {
1518 add_menu_separator(GTK_CONTAINER(menu));
1519 menuitem = gtk_menu_item_new_with_label("Copy");
1520 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1521 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1522 GTK_SIGNAL_FUNC(menu_copy_event), fe);
1523 gtk_widget_show(menuitem);
1525 if (thegame.can_solve) {
1526 add_menu_separator(GTK_CONTAINER(menu));
1527 menuitem = gtk_menu_item_new_with_label("Solve");
1528 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1529 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1530 GTK_SIGNAL_FUNC(menu_solve_event), fe);
1531 gtk_widget_show(menuitem);
1533 add_menu_separator(GTK_CONTAINER(menu));
1534 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
1536 menuitem = gtk_menu_item_new_with_label("Help");
1537 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1538 gtk_widget_show(menuitem);
1540 menu = gtk_menu_new();
1541 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1543 menuitem = gtk_menu_item_new_with_label("About");
1544 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1545 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1546 GTK_SIGNAL_FUNC(menu_about_event), fe);
1547 gtk_widget_show(menuitem);
1554 fe->colmap = gdk_colormap_get_system();
1555 colours = midend_colours(fe->me, &ncolours);
1556 fe->ncolours = ncolours;
1557 fe->colours = snewn(ncolours, GdkColor);
1558 for (i = 0; i < ncolours; i++) {
1559 fe->colours[i].red = colours[i*3] * 0xFFFF;
1560 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
1561 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
1563 success = snewn(ncolours, gboolean);
1564 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
1565 FALSE, FALSE, success);
1566 for (i = 0; i < ncolours; i++) {
1568 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1569 i, fe->colours[i].red >> 8,
1570 fe->colours[i].green >> 8,
1571 fe->colours[i].blue >> 8);
1575 if (midend_wants_statusbar(fe->me)) {
1576 GtkWidget *viewport;
1579 viewport = gtk_viewport_new(NULL, NULL);
1580 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
1581 fe->statusbar = gtk_statusbar_new();
1582 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
1583 gtk_widget_show(viewport);
1584 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
1585 gtk_widget_show(fe->statusbar);
1586 fe->statusctx = gtk_statusbar_get_context_id
1587 (GTK_STATUSBAR(fe->statusbar), "game");
1588 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
1590 gtk_widget_size_request(fe->statusbar, &req);
1592 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1594 gtk_widget_set_usize(viewport, -1, req.height);
1596 fe->statusbar = NULL;
1598 fe->area = gtk_drawing_area_new();
1599 get_size(fe, &x, &y);
1600 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1604 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
1608 fe->nfonts = fe->fontsize = 0;
1610 fe->laststatus = NULL;
1612 fe->paste_data = NULL;
1613 fe->paste_data_len = 0;
1615 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
1616 GTK_SIGNAL_FUNC(destroy), fe);
1617 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
1618 GTK_SIGNAL_FUNC(key_event), fe);
1619 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
1620 GTK_SIGNAL_FUNC(button_event), fe);
1621 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
1622 GTK_SIGNAL_FUNC(button_event), fe);
1623 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
1624 GTK_SIGNAL_FUNC(motion_event), fe);
1625 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
1626 GTK_SIGNAL_FUNC(selection_get), fe);
1627 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
1628 GTK_SIGNAL_FUNC(selection_clear), fe);
1629 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
1630 GTK_SIGNAL_FUNC(expose_area), fe);
1631 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
1632 GTK_SIGNAL_FUNC(map_window), fe);
1633 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
1634 GTK_SIGNAL_FUNC(configure_area), fe);
1636 gtk_widget_add_events(GTK_WIDGET(fe->area),
1637 GDK_BUTTON_PRESS_MASK |
1638 GDK_BUTTON_RELEASE_MASK |
1639 GDK_BUTTON_MOTION_MASK);
1641 gtk_widget_show(fe->area);
1642 gtk_widget_show(fe->window);
1644 gdk_window_set_background(fe->area->window, &fe->colours[0]);
1645 gdk_window_set_background(fe->window->window, &fe->colours[0]);
1650 int main(int argc, char **argv)
1652 char *pname = argv[0];
1655 if (argc > 1 && !strcmp(argv[1], "--version")) {
1656 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1662 * Special standalone mode for generating puzzle IDs on the
1663 * command line. Useful for generating puzzles to be printed
1664 * out and solved offline (for puzzles where that even makes
1665 * sense - Solo, for example, is a lot more pencil-and-paper
1666 * friendly than Net!)
1670 * <puzzle-name> --generate [<n> [<params>]]
1672 * <n>, if present, is the number of puzzle IDs to generate.
1673 * <params>, if present, is the same type of parameter string
1674 * you would pass to the puzzle when running it in GUI mode,
1675 * including optional extras such as the expansion factor in
1676 * Rectangles and the difficulty level in Solo.
1678 * If you specify <params>, you must also specify <n> (although
1679 * you may specify it to be 1). Sorry; that was the
1680 * simplest-to-parse command-line syntax I came up with.
1682 if (argc > 1 && !strcmp(argv[1], "--generate")) {
1684 char *params = NULL, *seed = NULL;
1694 par = thegame.default_params();
1696 if ( (seed = strchr(params, '#')) != NULL )
1698 thegame.decode_params(par, params);
1700 if ((error = thegame.validate_params(par, TRUE)) != NULL) {
1701 fprintf(stderr, "%s: %s\n", pname, error);
1704 parstr = thegame.encode_params(par, FALSE);
1711 seedlen = strlen(seed);
1713 get_random_seed(&seeddata, &seedlen);
1715 rs = random_init(seeddata, seedlen);
1720 char *desc = thegame.new_desc(par, rs, &aux, FALSE);
1721 printf("%s:%s\n", parstr, desc);
1729 gtk_init(&argc, &argv);
1731 if (!new_window(argc > 1 ? argv[1] : NULL, &error)) {
1732 fprintf(stderr, "%s: %s\n", pname, error);