2 * gtk.c: GTK front end for my puzzle collection.
16 #include <gdk/gdkkeysyms.h>
18 #include <gdk-pixbuf/gdk-pixbuf.h>
22 #include <X11/Xutil.h>
23 #include <X11/Xatom.h>
27 #if GTK_CHECK_VERSION(2,0,0)
29 # ifdef PANGO_VERSION_CHECK
30 # if PANGO_VERSION_CHECK(1,8,0)
31 # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
35 #if !GTK_CHECK_VERSION(2,4,0)
40 static FILE *debug_fp = NULL;
45 debug_fp = fopen("debug.log", "w");
56 void debug_printf(char *fmt, ...)
62 vsprintf(buf, fmt, ap);
68 /* ----------------------------------------------------------------------
69 * Error reporting functions used elsewhere.
72 void fatal(char *fmt, ...)
76 fprintf(stderr, "fatal error: ");
79 vfprintf(stderr, fmt, ap);
82 fprintf(stderr, "\n");
86 /* ----------------------------------------------------------------------
87 * GTK front end to puzzles.
90 static void changed_preset(frontend *fe);
94 PangoFontDescription *desc;
103 * This structure holds all the data relevant to a single window.
104 * In principle this would allow us to open multiple independent
105 * puzzle windows, although I can't currently see any real point in
106 * doing so. I'm just coding cleanly because there's no
107 * particularly good reason not to.
111 GtkAccelGroup *accelgroup;
113 GtkWidget *statusbar;
122 int bbox_l, bbox_r, bbox_u, bbox_d;
123 int timer_active, timer_id;
124 struct timeval last_time;
126 int nfonts, fontsize;
128 int cfg_which, cfgret;
132 int pw, ph; /* pixmap size (w, h are area size) */
133 int ox, oy; /* offset of pixmap in drawing area */
137 GSList *preset_radio;
138 int n_preset_menu_items;
140 GtkWidget *preset_custom;
141 GtkWidget *copy_menu_item;
144 void get_random_seed(void **randseed, int *randseedsize)
146 struct timeval *tvp = snew(struct timeval);
147 gettimeofday(tvp, NULL);
148 *randseed = (void *)tvp;
149 *randseedsize = sizeof(struct timeval);
152 void frontend_default_colour(frontend *fe, float *output)
154 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
155 output[0] = col.red / 65535.0;
156 output[1] = col.green / 65535.0;
157 output[2] = col.blue / 65535.0;
160 void gtk_status_bar(void *handle, char *text)
162 frontend *fe = (frontend *)handle;
164 assert(fe->statusbar);
166 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
167 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
170 void gtk_start_draw(void *handle)
172 frontend *fe = (frontend *)handle;
173 fe->gc = gdk_gc_new(fe->area->window);
180 void gtk_clip(void *handle, int x, int y, int w, int h)
182 frontend *fe = (frontend *)handle;
190 gdk_gc_set_clip_rectangle(fe->gc, &rect);
193 void gtk_unclip(void *handle)
195 frontend *fe = (frontend *)handle;
203 gdk_gc_set_clip_rectangle(fe->gc, &rect);
206 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
207 int align, int colour, char *text)
209 frontend *fe = (frontend *)handle;
213 * Find or create the font.
215 for (i = 0; i < fe->nfonts; i++)
216 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
219 if (i == fe->nfonts) {
220 if (fe->fontsize <= fe->nfonts) {
221 fe->fontsize = fe->nfonts + 10;
222 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
227 fe->fonts[i].type = fonttype;
228 fe->fonts[i].size = fontsize;
232 * Use Pango to find the closest match to the requested
236 PangoFontDescription *fd;
238 fd = pango_font_description_new();
239 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
240 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
241 "Monospace" : "Sans");
242 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
244 * I found some online Pango documentation which
245 * described a function called
246 * pango_font_description_set_absolute_size(), which is
247 * _exactly_ what I want here. Unfortunately, none of
248 * my local Pango installations have it (presumably
249 * they're too old), so I'm going to have to hack round
250 * it by figuring out the point size myself. This
251 * limits me to X and probably also breaks in later
252 * Pango installations, so ideally I should add another
253 * CHECK_VERSION type ifdef and use set_absolute_size
254 * where available. All very annoying.
256 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
257 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
260 Display *d = GDK_DISPLAY();
261 int s = DefaultScreen(d);
263 (PANGO_SCALE * 72.27 / 25.4) *
264 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
265 pango_font_description_set_size(fd, resolution * fontsize);
268 fe->fonts[i].desc = fd;
273 * In GTK 1.2, I don't know of any plausible way to
274 * pick a suitable font, so I'm just going to be
277 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
278 "fixed" : "variable");
286 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
297 layout = pango_layout_new(gtk_widget_get_pango_context(fe->area));
298 pango_layout_set_font_description(layout, fe->fonts[i].desc);
299 pango_layout_set_text(layout, text, strlen(text));
300 pango_layout_get_pixel_extents(layout, NULL, &rect);
302 if (align & ALIGN_VCENTRE)
303 rect.y -= rect.height / 2;
305 rect.y -= rect.height;
307 if (align & ALIGN_HCENTRE)
308 rect.x -= rect.width / 2;
309 else if (align & ALIGN_HRIGHT)
310 rect.x -= rect.width;
312 gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout);
314 g_object_unref(layout);
319 * Find string dimensions and process alignment.
322 int lb, rb, wid, asc, desc;
325 * Measure vertical string extents with respect to the same
328 gdk_string_extents(fe->fonts[i].font,
329 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
330 &lb, &rb, &wid, &asc, &desc);
331 if (align & ALIGN_VCENTRE)
332 y += asc - (asc+desc)/2;
337 * ... but horizontal extents with respect to the provided
338 * string. This means that multiple pieces of text centred
339 * on the same y-coordinate don't have different baselines.
341 gdk_string_extents(fe->fonts[i].font, text,
342 &lb, &rb, &wid, &asc, &desc);
344 if (align & ALIGN_HCENTRE)
346 else if (align & ALIGN_HRIGHT)
352 * Actually draw the text.
354 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
359 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
361 frontend *fe = (frontend *)handle;
362 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
363 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
366 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
368 frontend *fe = (frontend *)handle;
369 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
370 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
373 void gtk_draw_poly(void *handle, int *coords, int npoints,
374 int fillcolour, int outlinecolour)
376 frontend *fe = (frontend *)handle;
377 GdkPoint *points = snewn(npoints, GdkPoint);
380 for (i = 0; i < npoints; i++) {
381 points[i].x = coords[i*2];
382 points[i].y = coords[i*2+1];
385 if (fillcolour >= 0) {
386 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
387 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
389 assert(outlinecolour >= 0);
390 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
393 * In principle we ought to be able to use gdk_draw_polygon for
394 * the outline as well. In fact, it turns out to interact badly
395 * with a clipping region, for no terribly obvious reason, so I
396 * draw the outline as a sequence of lines instead.
398 for (i = 0; i < npoints; i++)
399 gdk_draw_line(fe->pixmap, fe->gc,
400 points[i].x, points[i].y,
401 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
406 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
407 int fillcolour, int outlinecolour)
409 frontend *fe = (frontend *)handle;
410 if (fillcolour >= 0) {
411 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
412 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
413 cx - radius, cy - radius,
414 2 * radius, 2 * radius, 0, 360 * 64);
417 assert(outlinecolour >= 0);
418 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
419 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
420 cx - radius, cy - radius,
421 2 * radius, 2 * radius, 0, 360 * 64);
429 blitter *gtk_blitter_new(void *handle, int w, int h)
432 * We can't create the pixmap right now, because fe->window
433 * might not yet exist. So we just cache w and h and create it
434 * during the firs call to blitter_save.
436 blitter *bl = snew(blitter);
443 void gtk_blitter_free(void *handle, blitter *bl)
446 gdk_pixmap_unref(bl->pixmap);
450 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
452 frontend *fe = (frontend *)handle;
454 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
457 gdk_draw_pixmap(bl->pixmap,
458 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
460 x, y, 0, 0, bl->w, bl->h);
463 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
465 frontend *fe = (frontend *)handle;
467 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
471 gdk_draw_pixmap(fe->pixmap,
472 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
474 0, 0, x, y, bl->w, bl->h);
477 void gtk_draw_update(void *handle, int x, int y, int w, int h)
479 frontend *fe = (frontend *)handle;
480 if (fe->bbox_l > x ) fe->bbox_l = x ;
481 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
482 if (fe->bbox_u > y ) fe->bbox_u = y ;
483 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
486 void gtk_end_draw(void *handle)
488 frontend *fe = (frontend *)handle;
489 gdk_gc_unref(fe->gc);
492 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
493 gdk_draw_pixmap(fe->area->window,
494 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
496 fe->bbox_l, fe->bbox_u,
497 fe->ox + fe->bbox_l, fe->oy + fe->bbox_u,
498 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
503 char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings)
506 * We assume Pango can cope with any UTF-8 likely to be emitted
509 return dupstr(strings[0]);
513 const struct drawing_api gtk_drawing = {
529 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
530 NULL, NULL, /* line_width, line_dotted */
538 static void destroy(GtkWidget *widget, gpointer data)
540 frontend *fe = (frontend *)data;
541 deactivate_timer(fe);
546 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
548 frontend *fe = (frontend *)data;
550 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
551 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
556 #if !GTK_CHECK_VERSION(2,0,0)
557 /* Gtk 1.2 passes a key event to this function even if it's also
558 * defined as an accelerator.
559 * Gtk 2 doesn't do this, and this function appears not to exist there. */
560 if (fe->accelgroup &&
561 gtk_accel_group_get_entry(fe->accelgroup,
562 event->keyval, event->state))
566 /* Handle mnemonics. */
567 if (gtk_window_activate_key(GTK_WINDOW(fe->window), event))
570 if (event->keyval == GDK_Up)
571 keyval = shift | ctrl | CURSOR_UP;
572 else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
573 keyval = MOD_NUM_KEYPAD | '8';
574 else if (event->keyval == GDK_Down)
575 keyval = shift | ctrl | CURSOR_DOWN;
576 else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
577 keyval = MOD_NUM_KEYPAD | '2';
578 else if (event->keyval == GDK_Left)
579 keyval = shift | ctrl | CURSOR_LEFT;
580 else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
581 keyval = MOD_NUM_KEYPAD | '4';
582 else if (event->keyval == GDK_Right)
583 keyval = shift | ctrl | CURSOR_RIGHT;
584 else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
585 keyval = MOD_NUM_KEYPAD | '6';
586 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
587 keyval = MOD_NUM_KEYPAD | '7';
588 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
589 keyval = MOD_NUM_KEYPAD | '1';
590 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
591 keyval = MOD_NUM_KEYPAD | '9';
592 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
593 keyval = MOD_NUM_KEYPAD | '3';
594 else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
595 keyval = MOD_NUM_KEYPAD | '0';
596 else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
597 keyval = MOD_NUM_KEYPAD | '5';
598 else if (event->keyval == GDK_BackSpace ||
599 event->keyval == GDK_Delete ||
600 event->keyval == GDK_KP_Delete)
602 else if (event->string[0] && !event->string[1])
603 keyval = (unsigned char)event->string[0];
608 !midend_process_key(fe->me, 0, 0, keyval))
609 gtk_widget_destroy(fe->window);
614 static gint button_event(GtkWidget *widget, GdkEventButton *event,
617 frontend *fe = (frontend *)data;
623 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
626 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
627 button = MIDDLE_BUTTON;
628 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
629 button = RIGHT_BUTTON;
630 else if (event->button == 1)
631 button = LEFT_BUTTON;
633 return FALSE; /* don't even know what button! */
635 if (event->type == GDK_BUTTON_RELEASE)
636 button += LEFT_RELEASE - LEFT_BUTTON;
638 if (!midend_process_key(fe->me, event->x - fe->ox,
639 event->y - fe->oy, button))
640 gtk_widget_destroy(fe->window);
645 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
648 frontend *fe = (frontend *)data;
654 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
655 button = MIDDLE_DRAG;
656 else if (event->state & GDK_BUTTON1_MASK)
658 else if (event->state & GDK_BUTTON3_MASK)
661 return FALSE; /* don't even know what button! */
663 if (!midend_process_key(fe->me, event->x - fe->ox,
664 event->y - fe->oy, button))
665 gtk_widget_destroy(fe->window);
666 #if GTK_CHECK_VERSION(2,12,0)
667 gdk_event_request_motions(event);
669 gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
675 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
678 frontend *fe = (frontend *)data;
681 gdk_draw_pixmap(widget->window,
682 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
684 event->area.x - fe->ox, event->area.y - fe->oy,
685 event->area.x, event->area.y,
686 event->area.width, event->area.height);
691 static gint map_window(GtkWidget *widget, GdkEvent *event,
694 frontend *fe = (frontend *)data;
697 * Apparently we need to do this because otherwise the status
698 * bar will fail to update immediately. Annoying, but there we
701 gtk_widget_queue_draw(fe->window);
706 static gint configure_area(GtkWidget *widget,
707 GdkEventConfigure *event, gpointer data)
709 frontend *fe = (frontend *)data;
714 gdk_pixmap_unref(fe->pixmap);
716 x = fe->w = event->width;
717 y = fe->h = event->height;
718 midend_size(fe->me, &x, &y, TRUE);
721 fe->ox = (fe->w - fe->pw) / 2;
722 fe->oy = (fe->h - fe->ph) / 2;
724 fe->pixmap = gdk_pixmap_new(widget->window, fe->pw, fe->ph, -1);
726 gc = gdk_gc_new(fe->area->window);
727 gdk_gc_set_foreground(gc, &fe->colours[0]);
728 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
729 gdk_draw_rectangle(widget->window, gc, 1, 0, 0,
730 event->width, event->height);
733 midend_force_redraw(fe->me);
738 static gint timer_func(gpointer data)
740 frontend *fe = (frontend *)data;
742 if (fe->timer_active) {
745 gettimeofday(&now, NULL);
746 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
747 (now.tv_sec - fe->last_time.tv_sec));
748 midend_timer(fe->me, elapsed); /* may clear timer_active */
752 return fe->timer_active;
755 void deactivate_timer(frontend *fe)
758 return; /* can happen due to --generate */
759 if (fe->timer_active)
760 gtk_timeout_remove(fe->timer_id);
761 fe->timer_active = FALSE;
764 void activate_timer(frontend *fe)
767 return; /* can happen due to --generate */
768 if (!fe->timer_active) {
769 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
770 gettimeofday(&fe->last_time, NULL);
772 fe->timer_active = TRUE;
775 static void window_destroy(GtkWidget *widget, gpointer data)
780 static void msgbox_button_clicked(GtkButton *button, gpointer data)
782 GtkWidget *window = GTK_WIDGET(data);
785 ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data");
786 v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data"));
789 gtk_widget_destroy(GTK_WIDGET(data));
792 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
794 GtkObject *cancelbutton = GTK_OBJECT(data);
797 * `Escape' effectively clicks the cancel button
799 if (event->keyval == GDK_Escape) {
800 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
807 enum { MB_OK, MB_YESNO };
809 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
812 GtkWidget *window, *hbox, *text, *button;
816 window = gtk_dialog_new();
817 text = gtk_label_new(msg);
818 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
819 hbox = gtk_hbox_new(FALSE, 0);
820 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
821 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
822 hbox, FALSE, FALSE, 20);
823 gtk_widget_show(text);
824 gtk_widget_show(hbox);
825 gtk_window_set_title(GTK_WINDOW(window), title);
826 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
832 assert(type == MB_YESNO);
833 titles = "Yes\0No\0";
840 button = gtk_button_new_with_label(titles);
841 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
842 button, FALSE, FALSE, 0);
843 gtk_widget_show(button);
845 GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
846 gtk_window_set_default(GTK_WINDOW(window), button);
849 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
850 GTK_SIGNAL_FUNC(win_key_press), button);
852 gtk_signal_connect(GTK_OBJECT(button), "clicked",
853 GTK_SIGNAL_FUNC(msgbox_button_clicked), window);
854 gtk_object_set_data(GTK_OBJECT(button), "user-data",
856 titles += strlen(titles)+1;
859 gtk_object_set_data(GTK_OBJECT(window), "user-data",
860 GINT_TO_POINTER(&i));
861 gtk_signal_connect(GTK_OBJECT(window), "destroy",
862 GTK_SIGNAL_FUNC(window_destroy), NULL);
863 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
864 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
865 /* set_transient_window_pos(parent, window); */
866 gtk_widget_show(window);
869 return (type == MB_YESNO ? i == 0 : TRUE);
872 void error_box(GtkWidget *parent, char *msg)
874 message_box(parent, "Error", msg, FALSE, MB_OK);
877 static void config_ok_button_clicked(GtkButton *button, gpointer data)
879 frontend *fe = (frontend *)data;
882 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
885 error_box(fe->cfgbox, err);
888 gtk_widget_destroy(fe->cfgbox);
893 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
895 frontend *fe = (frontend *)data;
897 gtk_widget_destroy(fe->cfgbox);
900 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
903 * GtkEntry has a nasty habit of eating the Return key, which
904 * is unhelpful since it doesn't actually _do_ anything with it
905 * (it calls gtk_widget_activate, but our edit boxes never need
906 * activating). So I catch Return before GtkEntry sees it, and
907 * pass it straight on to the parent widget. Effect: hitting
908 * Return in an edit box will now activate the default button
909 * in the dialog just like it will everywhere else.
911 if (event->keyval == GDK_Return && widget->parent != NULL) {
913 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
914 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
921 static void editbox_changed(GtkEditable *ed, gpointer data)
923 config_item *i = (config_item *)data;
926 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
929 static void button_toggled(GtkToggleButton *tb, gpointer data)
931 config_item *i = (config_item *)data;
933 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
936 static void droplist_sel(GtkMenuItem *item, gpointer data)
938 config_item *i = (config_item *)data;
940 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
944 static int get_config(frontend *fe, int which)
946 GtkWidget *w, *table, *cancel;
951 fe->cfg = midend_get_config(fe->me, which, &title);
952 fe->cfg_which = which;
955 fe->cfgbox = gtk_dialog_new();
956 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
959 w = gtk_button_new_with_label("OK");
960 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
963 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
964 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
965 gtk_signal_connect(GTK_OBJECT(w), "clicked",
966 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
968 w = gtk_button_new_with_label("Cancel");
969 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
972 gtk_signal_connect(GTK_OBJECT(w), "clicked",
973 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
976 table = gtk_table_new(1, 2, FALSE);
978 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
979 table, FALSE, FALSE, 0);
980 gtk_widget_show(table);
982 for (i = fe->cfg; i->type != C_END; i++) {
983 gtk_table_resize(GTK_TABLE(table), y+1, 2);
988 * Edit box with a label beside it.
991 w = gtk_label_new(i->name);
992 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
993 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
994 GTK_SHRINK | GTK_FILL,
995 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1000 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1001 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1002 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1004 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
1005 gtk_signal_connect(GTK_OBJECT(w), "changed",
1006 GTK_SIGNAL_FUNC(editbox_changed), i);
1007 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
1008 GTK_SIGNAL_FUNC(editbox_key), NULL);
1017 w = gtk_check_button_new_with_label(i->name);
1018 gtk_signal_connect(GTK_OBJECT(w), "toggled",
1019 GTK_SIGNAL_FUNC(button_toggled), i);
1020 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
1021 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1022 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1024 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
1030 * Drop-down list (GtkOptionMenu).
1033 w = gtk_label_new(i->name);
1034 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
1035 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1036 GTK_SHRINK | GTK_FILL,
1037 GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
1041 w = gtk_option_menu_new();
1042 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1043 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1044 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1051 GtkWidget *menuitem;
1052 GtkWidget *menu = gtk_menu_new();
1054 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
1062 while (*q && *q != c)
1065 name = snewn(q-p+1, char);
1066 strncpy(name, p, q-p);
1069 if (*q) q++; /* eat delimiter */
1071 menuitem = gtk_menu_item_new_with_label(name);
1072 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1073 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1074 GINT_TO_POINTER(val));
1075 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1076 GTK_SIGNAL_FUNC(droplist_sel), i);
1077 gtk_widget_show(menuitem);
1084 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
1093 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
1094 GTK_SIGNAL_FUNC(window_destroy), NULL);
1095 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
1096 GTK_SIGNAL_FUNC(win_key_press), cancel);
1097 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1098 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1099 GTK_WINDOW(fe->window));
1100 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1101 gtk_widget_show(fe->cfgbox);
1109 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1111 frontend *fe = (frontend *)data;
1112 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1114 if (!midend_process_key(fe->me, 0, 0, key))
1115 gtk_widget_destroy(fe->window);
1118 static void get_size(frontend *fe, int *px, int *py)
1123 * Currently I don't want to make the GTK port scale large
1124 * puzzles to fit on the screen. This is because X does permit
1125 * extremely large windows and many window managers provide a
1126 * means of navigating round them, and the users I consulted
1127 * before deciding said that they'd rather have enormous puzzle
1128 * windows spanning multiple screen pages than have them
1129 * shrunk. I could change my mind later or introduce
1130 * configurability; this would be the place to do so, by
1131 * replacing the initial values of x and y with the screen
1136 midend_size(fe->me, &x, &y, FALSE);
1141 #if !GTK_CHECK_VERSION(2,0,0)
1142 #define gtk_window_resize(win, x, y) \
1143 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1147 * Called when any other code in this file has changed the
1148 * selected game parameters.
1150 static void changed_preset(frontend *fe)
1152 int n = midend_which_preset(fe->me);
1154 fe->preset_threaded = TRUE;
1155 if (n < 0 && fe->preset_custom) {
1156 gtk_check_menu_item_set_active(
1157 GTK_CHECK_MENU_ITEM(fe->preset_custom),
1160 GSList *gs = fe->preset_radio;
1161 int i = fe->n_preset_menu_items - 1 - n;
1162 if (fe->preset_custom)
1169 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1171 } else for (gs = fe->preset_radio; gs; gs = gs->next) {
1172 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1176 fe->preset_threaded = FALSE;
1179 * Update the greying on the Copy menu option.
1181 if (fe->copy_menu_item) {
1182 int enabled = midend_can_format_as_text_now(fe->me);
1183 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1187 static void resize_fe(frontend *fe)
1191 get_size(fe, &x, &y);
1194 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1197 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1198 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1201 * Now that we've established the preferred size of the window,
1202 * reduce the drawing area's size request so the user can shrink
1205 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1208 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1210 frontend *fe = (frontend *)data;
1211 game_params *params =
1212 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
1214 if (fe->preset_threaded ||
1215 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
1216 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
1218 midend_set_params(fe->me, params);
1219 midend_new_game(fe->me);
1224 GdkAtom compound_text_atom, utf8_string_atom;
1225 int paste_initialised = FALSE;
1229 unsigned char empty[] = { 0 };
1231 if (paste_initialised)
1234 if (!compound_text_atom)
1235 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1236 if (!utf8_string_atom)
1237 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1240 * Ensure that all the cut buffers exist - according to the
1241 * ICCCM, we must do this before we start using cut buffers.
1243 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1244 XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
1245 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1246 XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
1247 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1248 XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
1249 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1250 XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
1251 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1252 XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
1253 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1254 XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
1255 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1256 XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
1257 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1258 XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
1261 /* Store data in a cut-buffer. */
1262 void store_cutbuffer(char *ptr, int len)
1264 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1265 XRotateBuffers(GDK_DISPLAY(), 1);
1266 XStoreBytes(GDK_DISPLAY(), ptr, len);
1269 void write_clip(frontend *fe, char *data)
1274 sfree(fe->paste_data);
1277 * For this simple application we can safely assume that the
1278 * data passed to this function is pure ASCII, which means we
1279 * can return precisely the same stuff for types STRING,
1280 * COMPOUND_TEXT or UTF8_STRING.
1283 fe->paste_data = data;
1284 fe->paste_data_len = strlen(data);
1286 store_cutbuffer(fe->paste_data, fe->paste_data_len);
1288 if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
1290 gtk_selection_clear_targets(fe->area, GDK_SELECTION_PRIMARY);
1291 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1292 GDK_SELECTION_TYPE_STRING, 1);
1293 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1294 compound_text_atom, 1);
1295 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1296 utf8_string_atom, 1);
1300 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1301 guint info, guint time_stamp, gpointer data)
1303 frontend *fe = (frontend *)data;
1304 gtk_selection_data_set(seldata, seldata->target, 8,
1305 fe->paste_data, fe->paste_data_len);
1308 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1311 frontend *fe = (frontend *)data;
1314 sfree(fe->paste_data);
1315 fe->paste_data = NULL;
1316 fe->paste_data_len = 0;
1320 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1322 frontend *fe = (frontend *)data;
1325 text = midend_text_format(fe->me);
1328 write_clip(fe, text);
1336 static void filesel_ok(GtkButton *button, gpointer data)
1338 frontend *fe = (frontend *)data;
1340 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1343 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1345 fe->filesel_name = dupstr(name);
1348 static char *file_selector(frontend *fe, char *title, int save)
1350 GtkWidget *filesel =
1351 gtk_file_selection_new(title);
1353 fe->filesel_name = NULL;
1355 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1357 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1360 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1361 GTK_SIGNAL_FUNC(filesel_ok), fe);
1362 gtk_signal_connect_object
1363 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1364 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1365 gtk_signal_connect_object
1366 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1367 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1368 gtk_signal_connect(GTK_OBJECT(filesel), "destroy",
1369 GTK_SIGNAL_FUNC(window_destroy), NULL);
1370 gtk_widget_show(filesel);
1371 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
1374 return fe->filesel_name;
1379 static char *file_selector(frontend *fe, char *title, int save)
1381 char *filesel_name = NULL;
1383 GtkWidget *filesel =
1384 gtk_file_chooser_dialog_new(title,
1385 GTK_WINDOW(fe->window),
1386 save ? GTK_FILE_CHOOSER_ACTION_SAVE :
1387 GTK_FILE_CHOOSER_ACTION_OPEN,
1388 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1389 save ? GTK_STOCK_SAVE : GTK_STOCK_OPEN,
1390 GTK_RESPONSE_ACCEPT,
1393 if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
1394 const char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
1395 filesel_name = dupstr(name);
1398 gtk_widget_destroy(filesel);
1400 return filesel_name;
1405 struct savefile_write_ctx {
1410 static void savefile_write(void *wctx, void *buf, int len)
1412 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
1413 if (fwrite(buf, 1, len, ctx->fp) < len)
1417 static int savefile_read(void *wctx, void *buf, int len)
1419 FILE *fp = (FILE *)wctx;
1422 ret = fread(buf, 1, len, fp);
1423 return (ret == len);
1426 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
1428 frontend *fe = (frontend *)data;
1431 name = file_selector(fe, "Enter name of game file to save", TRUE);
1436 if ((fp = fopen(name, "r")) != NULL) {
1437 char buf[256 + FILENAME_MAX];
1441 sprintf(buf, "Are you sure you want to overwrite the"
1443 FILENAME_MAX, name);
1444 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
1448 fp = fopen(name, "w");
1452 error_box(fe->window, "Unable to open save file");
1457 struct savefile_write_ctx ctx;
1460 midend_serialise(fe->me, savefile_write, &ctx);
1464 sprintf(boxmsg, "Error writing save file: %.400s",
1466 error_box(fe->window, boxmsg);
1474 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
1476 frontend *fe = (frontend *)data;
1479 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
1482 FILE *fp = fopen(name, "r");
1486 error_box(fe->window, "Unable to open saved game file");
1490 err = midend_deserialise(fe->me, savefile_read, fp);
1495 error_box(fe->window, err);
1504 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
1506 frontend *fe = (frontend *)data;
1509 msg = midend_solve(fe->me);
1512 error_box(fe->window, msg);
1515 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
1517 frontend *fe = (frontend *)data;
1519 midend_restart_game(fe->me);
1522 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
1524 frontend *fe = (frontend *)data;
1525 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1528 if (fe->preset_threaded ||
1529 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
1530 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
1532 changed_preset(fe); /* Put the old preset back! */
1533 if (!get_config(fe, which))
1536 midend_new_game(fe->me);
1540 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
1542 frontend *fe = (frontend *)data;
1546 sprintf(titlebuf, "About %.200s", thegame.name);
1549 "from Simon Tatham's Portable Puzzle Collection\n\n"
1550 "%.500s", thegame.name, ver);
1552 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
1555 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
1556 char *text, int key)
1558 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
1560 gtk_container_add(cont, menuitem);
1561 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1562 GINT_TO_POINTER(key));
1563 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1564 GTK_SIGNAL_FUNC(menu_key_event), fe);
1565 switch (key & ~0x1F) {
1568 keyqual = GDK_CONTROL_MASK;
1572 keyqual = GDK_SHIFT_MASK;
1578 gtk_widget_add_accelerator(menuitem,
1579 "activate", fe->accelgroup,
1582 gtk_widget_show(menuitem);
1586 static void add_menu_separator(GtkContainer *cont)
1588 GtkWidget *menuitem = gtk_menu_item_new();
1589 gtk_container_add(cont, menuitem);
1590 gtk_widget_show(menuitem);
1593 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
1595 static frontend *new_window(char *arg, int argtype, char **error)
1598 GtkBox *vbox, *hbox;
1599 GtkWidget *menubar, *menu, *menuitem;
1604 extern char *const *const xpm_icons[];
1605 extern const int n_xpm_icons;
1607 fe = snew(frontend);
1609 fe->timer_active = FALSE;
1612 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
1622 err = midend_game_id(fe->me, arg);
1624 midend_new_game(fe->me);
1626 sprintf(errbuf, "Invalid game ID: %.800s", err);
1629 fp = fopen(arg, "r");
1631 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
1633 err = midend_deserialise(fe->me, savefile_read, fp);
1635 sprintf(errbuf, "Invalid save file: %.800s", err);
1639 default /*case ARG_EITHER*/:
1641 * First try treating the argument as a game ID.
1643 err = midend_game_id(fe->me, arg);
1646 * It's a valid game ID.
1648 midend_new_game(fe->me);
1650 FILE *fp = fopen(arg, "r");
1652 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
1653 " nor a save file (%.400s)", err, strerror(errno));
1655 err = midend_deserialise(fe->me, savefile_read, fp);
1657 sprintf(errbuf, "%.800s", err);
1664 *error = dupstr(errbuf);
1665 midend_free(fe->me);
1671 midend_new_game(fe->me);
1674 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1675 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
1677 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
1678 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
1679 gtk_widget_show(GTK_WIDGET(vbox));
1681 fe->accelgroup = gtk_accel_group_new();
1682 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
1684 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1685 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
1686 gtk_widget_show(GTK_WIDGET(hbox));
1688 menubar = gtk_menu_bar_new();
1689 gtk_box_pack_start(hbox, menubar, TRUE, TRUE, 0);
1690 gtk_widget_show(menubar);
1692 menuitem = gtk_menu_item_new_with_mnemonic("_Game");
1693 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1694 gtk_widget_show(menuitem);
1696 menu = gtk_menu_new();
1697 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1699 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
1701 menuitem = gtk_menu_item_new_with_label("Restart");
1702 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1703 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1704 GTK_SIGNAL_FUNC(menu_restart_event), fe);
1705 gtk_widget_show(menuitem);
1707 menuitem = gtk_menu_item_new_with_label("Specific...");
1708 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1709 GINT_TO_POINTER(CFG_DESC));
1710 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1711 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1712 GTK_SIGNAL_FUNC(menu_config_event), fe);
1713 gtk_widget_show(menuitem);
1715 menuitem = gtk_menu_item_new_with_label("Random Seed...");
1716 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1717 GINT_TO_POINTER(CFG_SEED));
1718 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1719 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1720 GTK_SIGNAL_FUNC(menu_config_event), fe);
1721 gtk_widget_show(menuitem);
1723 fe->preset_radio = NULL;
1724 fe->preset_custom = NULL;
1725 fe->n_preset_menu_items = 0;
1726 fe->preset_threaded = FALSE;
1727 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
1731 menuitem = gtk_menu_item_new_with_mnemonic("_Type");
1732 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1733 gtk_widget_show(menuitem);
1735 submenu = gtk_menu_new();
1736 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
1738 for (i = 0; i < n; i++) {
1740 game_params *params;
1742 midend_fetch_preset(fe->me, i, &name, ¶ms);
1745 gtk_radio_menu_item_new_with_label(fe->preset_radio, name);
1747 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem));
1748 fe->n_preset_menu_items++;
1749 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1750 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
1751 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1752 GTK_SIGNAL_FUNC(menu_preset_event), fe);
1753 gtk_widget_show(menuitem);
1756 if (thegame.can_configure) {
1757 menuitem = fe->preset_custom =
1758 gtk_radio_menu_item_new_with_label(fe->preset_radio,
1761 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem));
1762 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1763 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1764 GPOINTER_TO_INT(CFG_SETTINGS));
1765 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1766 GTK_SIGNAL_FUNC(menu_config_event), fe);
1767 gtk_widget_show(menuitem);
1772 add_menu_separator(GTK_CONTAINER(menu));
1773 menuitem = gtk_menu_item_new_with_label("Load...");
1774 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1775 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1776 GTK_SIGNAL_FUNC(menu_load_event), fe);
1777 gtk_widget_show(menuitem);
1778 menuitem = gtk_menu_item_new_with_label("Save...");
1779 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1780 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1781 GTK_SIGNAL_FUNC(menu_save_event), fe);
1782 gtk_widget_show(menuitem);
1783 #ifndef STYLUS_BASED
1784 add_menu_separator(GTK_CONTAINER(menu));
1785 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
1786 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
1788 if (thegame.can_format_as_text_ever) {
1789 add_menu_separator(GTK_CONTAINER(menu));
1790 menuitem = gtk_menu_item_new_with_label("Copy");
1791 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1792 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1793 GTK_SIGNAL_FUNC(menu_copy_event), fe);
1794 gtk_widget_show(menuitem);
1795 fe->copy_menu_item = menuitem;
1797 fe->copy_menu_item = NULL;
1799 if (thegame.can_solve) {
1800 add_menu_separator(GTK_CONTAINER(menu));
1801 menuitem = gtk_menu_item_new_with_label("Solve");
1802 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1803 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1804 GTK_SIGNAL_FUNC(menu_solve_event), fe);
1805 gtk_widget_show(menuitem);
1807 add_menu_separator(GTK_CONTAINER(menu));
1808 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
1810 menuitem = gtk_menu_item_new_with_mnemonic("_Help");
1811 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1812 gtk_widget_show(menuitem);
1814 menu = gtk_menu_new();
1815 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1817 menuitem = gtk_menu_item_new_with_label("About");
1818 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1819 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1820 GTK_SIGNAL_FUNC(menu_about_event), fe);
1821 gtk_widget_show(menuitem);
1824 menuitem=gtk_button_new_with_mnemonic("_Redo");
1825 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1826 GINT_TO_POINTER((int)('r')));
1827 gtk_signal_connect(GTK_OBJECT(menuitem), "clicked",
1828 GTK_SIGNAL_FUNC(menu_key_event), fe);
1829 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
1830 gtk_widget_show(menuitem);
1832 menuitem=gtk_button_new_with_mnemonic("_Undo");
1833 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1834 GINT_TO_POINTER((int)('u')));
1835 gtk_signal_connect(GTK_OBJECT(menuitem), "clicked",
1836 GTK_SIGNAL_FUNC(menu_key_event), fe);
1837 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
1838 gtk_widget_show(menuitem);
1840 if (thegame.flags & REQUIRE_NUMPAD) {
1841 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1842 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
1843 gtk_widget_show(GTK_WIDGET(hbox));
1847 for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
1848 menuitem=gtk_button_new_with_label(errbuf);
1849 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1850 GINT_TO_POINTER((int)(errbuf[0])));
1851 gtk_signal_connect(GTK_OBJECT(menuitem), "clicked",
1852 GTK_SIGNAL_FUNC(menu_key_event), fe);
1853 gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0);
1854 gtk_widget_show(menuitem);
1857 #endif /* STYLUS_BASED */
1866 fe->colmap = gdk_colormap_get_system();
1867 colours = midend_colours(fe->me, &ncolours);
1868 fe->ncolours = ncolours;
1869 fe->colours = snewn(ncolours, GdkColor);
1870 for (i = 0; i < ncolours; i++) {
1871 fe->colours[i].red = colours[i*3] * 0xFFFF;
1872 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
1873 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
1875 success = snewn(ncolours, gboolean);
1876 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
1877 FALSE, FALSE, success);
1878 for (i = 0; i < ncolours; i++) {
1880 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1881 i, fe->colours[i].red >> 8,
1882 fe->colours[i].green >> 8,
1883 fe->colours[i].blue >> 8);
1888 if (midend_wants_statusbar(fe->me)) {
1889 GtkWidget *viewport;
1892 viewport = gtk_viewport_new(NULL, NULL);
1893 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
1894 fe->statusbar = gtk_statusbar_new();
1895 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
1896 gtk_widget_show(viewport);
1897 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
1898 gtk_widget_show(fe->statusbar);
1899 fe->statusctx = gtk_statusbar_get_context_id
1900 (GTK_STATUSBAR(fe->statusbar), "game");
1901 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
1903 gtk_widget_size_request(fe->statusbar, &req);
1905 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1907 gtk_widget_set_usize(viewport, -1, req.height);
1909 fe->statusbar = NULL;
1911 fe->area = gtk_drawing_area_new();
1912 get_size(fe, &x, &y);
1913 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1917 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
1921 fe->nfonts = fe->fontsize = 0;
1923 fe->paste_data = NULL;
1924 fe->paste_data_len = 0;
1926 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
1927 GTK_SIGNAL_FUNC(destroy), fe);
1928 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
1929 GTK_SIGNAL_FUNC(key_event), fe);
1930 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
1931 GTK_SIGNAL_FUNC(button_event), fe);
1932 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
1933 GTK_SIGNAL_FUNC(button_event), fe);
1934 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
1935 GTK_SIGNAL_FUNC(motion_event), fe);
1936 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
1937 GTK_SIGNAL_FUNC(selection_get), fe);
1938 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
1939 GTK_SIGNAL_FUNC(selection_clear), fe);
1940 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
1941 GTK_SIGNAL_FUNC(expose_area), fe);
1942 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
1943 GTK_SIGNAL_FUNC(map_window), fe);
1944 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
1945 GTK_SIGNAL_FUNC(configure_area), fe);
1947 gtk_widget_add_events(GTK_WIDGET(fe->area),
1948 GDK_BUTTON_PRESS_MASK |
1949 GDK_BUTTON_RELEASE_MASK |
1950 GDK_BUTTON_MOTION_MASK |
1951 GDK_POINTER_MOTION_HINT_MASK);
1954 gtk_widget_realize(fe->window);
1955 iconpm = gdk_pixmap_create_from_xpm_d(fe->window->window, NULL,
1956 NULL, (gchar **)xpm_icons[0]);
1957 gdk_window_set_icon(fe->window->window, NULL, iconpm, NULL);
1959 for (n = 0; n < n_xpm_icons; n++) {
1961 g_list_append(iconlist,
1962 gdk_pixbuf_new_from_xpm_data((const gchar **)
1965 gdk_window_set_icon_list(fe->window->window, iconlist);
1968 gtk_widget_show(fe->area);
1969 gtk_widget_show(fe->window);
1972 * Now that we've established the preferred size of the window,
1973 * reduce the drawing area's size request so the user can shrink
1976 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1978 gdk_window_set_background(fe->area->window, &fe->colours[0]);
1979 gdk_window_set_background(fe->window->window, &fe->colours[0]);
1984 char *fgetline(FILE *fp)
1986 char *ret = snewn(512, char);
1987 int size = 512, len = 0;
1988 while (fgets(ret + len, size - len, fp)) {
1989 len += strlen(ret + len);
1990 if (ret[len-1] == '\n')
1991 break; /* got a newline, we're done */
1993 ret = sresize(ret, size, char);
1995 if (len == 0) { /* first fgets returned NULL */
2003 int main(int argc, char **argv)
2005 char *pname = argv[0];
2007 int ngenerate = 0, print = FALSE, px = 1, py = 1;
2008 int soln = FALSE, colour = FALSE;
2010 float redo_proportion = 0.0F;
2011 char *savefile = NULL, *savesuffix = NULL;
2013 int argtype = ARG_EITHER;
2014 char *screenshot_file = NULL;
2015 int doing_opts = TRUE;
2021 * Command line parsing in this function is rather fiddly,
2022 * because GTK wants to have a go at argc/argv _first_ - and
2023 * yet we can't let it, because gtk_init() will bomb out if it
2024 * can't open an X display, whereas in fact we want to permit
2025 * our --generate and --print modes to run without an X
2029 * - we parse the command line ourselves, without modifying
2031 * - if we encounter an error which might plausibly be the
2032 * result of a GTK command line (i.e. not detailed errors in
2033 * particular options of ours) we store the error message
2034 * and terminate parsing.
2035 * - if we got enough out of the command line to know it
2036 * specifies a non-X mode of operation, we either display
2037 * the stored error and return failure, or if there is no
2038 * stored error we do the non-X operation and return
2040 * - otherwise, we go straight to gtk_init().
2046 if (doing_opts && !strcmp(p, "--version")) {
2047 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
2050 } else if (doing_opts && !strcmp(p, "--generate")) {
2052 ngenerate = atoi(*++av);
2054 fprintf(stderr, "%s: '--generate' expected a number\n",
2060 } else if (doing_opts && !strcmp(p, "--save")) {
2064 fprintf(stderr, "%s: '--save' expected a filename\n",
2068 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
2069 !strcmp(p, "--savesuffix"))) {
2073 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
2077 } else if (doing_opts && !strcmp(p, "--print")) {
2078 if (!thegame.can_print) {
2079 fprintf(stderr, "%s: this game does not support printing\n",
2086 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
2087 fprintf(stderr, "%s: unable to parse argument '%s' to "
2088 "'--print'\n", pname, dim);
2094 } else if (doing_opts && !strcmp(p, "--scale")) {
2096 scale = atof(*++av);
2098 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2102 } else if (doing_opts && !strcmp(p, "--redo")) {
2104 * This is an internal option which I don't expect
2105 * users to have any particular use for. The effect of
2106 * --redo is that once the game has been loaded and
2107 * initialised, the next move in the redo chain is
2108 * replayed, and the game screen is redrawn part way
2109 * through the making of the move. This is only
2110 * meaningful if there _is_ a next move in the redo
2111 * chain, which means in turn that this option is only
2112 * useful if you're also passing a save file on the
2115 * This option is used by the script which generates
2116 * the puzzle icons and website screenshots, and I
2117 * don't imagine it's useful for anything else.
2118 * (Unless, I suppose, users don't like my screenshots
2119 * and want to generate their own in the same way for
2120 * some repackaged version of the puzzles.)
2123 redo_proportion = atof(*++av);
2125 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
2129 } else if (doing_opts && !strcmp(p, "--screenshot")) {
2131 * Another internal option for the icon building
2132 * script. This causes a screenshot of the central
2133 * drawing area (i.e. not including the menu bar or
2134 * status bar) to be saved to a PNG file once the
2135 * window has been drawn, and then the application
2136 * quits immediately.
2139 screenshot_file = *++av;
2141 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
2145 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
2146 !strcmp(p, "--with-solution") ||
2147 !strcmp(p, "--with-solns") ||
2148 !strcmp(p, "--with-soln") ||
2149 !strcmp(p, "--solutions") ||
2150 !strcmp(p, "--solution") ||
2151 !strcmp(p, "--solns") ||
2152 !strcmp(p, "--soln"))) {
2154 } else if (doing_opts && !strcmp(p, "--colour")) {
2155 if (!thegame.can_print_in_colour) {
2156 fprintf(stderr, "%s: this game does not support colour"
2157 " printing\n", pname);
2161 } else if (doing_opts && !strcmp(p, "--load")) {
2163 } else if (doing_opts && !strcmp(p, "--game")) {
2165 } else if (doing_opts && !strcmp(p, "--")) {
2167 } else if (!doing_opts || p[0] != '-') {
2169 fprintf(stderr, "%s: more than one argument supplied\n",
2175 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
2182 fputs(errbuf, stderr);
2187 * Special standalone mode for generating puzzle IDs on the
2188 * command line. Useful for generating puzzles to be printed
2189 * out and solved offline (for puzzles where that even makes
2190 * sense - Solo, for example, is a lot more pencil-and-paper
2191 * friendly than Twiddle!)
2195 * <puzzle-name> --generate [<n> [<params>]]
2197 * <n>, if present, is the number of puzzle IDs to generate.
2198 * <params>, if present, is the same type of parameter string
2199 * you would pass to the puzzle when running it in GUI mode,
2200 * including optional extras such as the expansion factor in
2201 * Rectangles and the difficulty level in Solo.
2203 * If you specify <params>, you must also specify <n> (although
2204 * you may specify it to be 1). Sorry; that was the
2205 * simplest-to-parse command-line syntax I came up with.
2207 if (ngenerate > 0 || print || savefile || savesuffix) {
2211 document *doc = NULL;
2215 me = midend_new(NULL, &thegame, NULL, NULL);
2218 if (savefile && !savesuffix)
2220 if (!savefile && savesuffix)
2224 doc = document_new(px, py, scale);
2227 * In this loop, we either generate a game ID or read one
2228 * from stdin depending on whether we're in generate mode;
2229 * then we either write it to stdout or print it, depending
2230 * on whether we're in print mode. Thus, this loop handles
2231 * generate-to-stdout, print-from-stdin and generate-and-
2232 * immediately-print modes.
2234 * (It could also handle a copy-stdin-to-stdout mode,
2235 * although there's currently no combination of options
2236 * which will cause this loop to be activated in that mode.
2237 * It wouldn't be _entirely_ pointless, though, because
2238 * stdin could contain bare params strings or random-seed
2239 * IDs, and stdout would contain nothing but fully
2240 * generated descriptive game IDs.)
2242 while (ngenerate == 0 || i < n) {
2245 if (ngenerate == 0) {
2246 pstr = fgetline(stdin);
2249 pstr[strcspn(pstr, "\r\n")] = '\0';
2252 pstr = snewn(strlen(arg) + 40, char);
2255 if (i > 0 && strchr(arg, '#'))
2256 sprintf(pstr + strlen(pstr), "-%d", i);
2262 err = midend_game_id(me, pstr);
2264 fprintf(stderr, "%s: error parsing '%s': %s\n",
2271 midend_new_game(me);
2274 err = midend_print_puzzle(me, doc, soln);
2276 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
2281 struct savefile_write_ctx ctx;
2282 char *realname = snewn(40 + strlen(savefile) +
2283 strlen(savesuffix), char);
2284 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
2285 ctx.fp = fopen(realname, "w");
2287 fprintf(stderr, "%s: open: %s\n", realname,
2292 midend_serialise(me, savefile_write, &ctx);
2294 fprintf(stderr, "%s: write: %s\n", realname,
2295 strerror(ctx.error));
2298 if (fclose(ctx.fp)) {
2299 fprintf(stderr, "%s: close: %s\n", realname,
2304 if (!doc && !savefile) {
2305 id = midend_get_game_id(me);
2314 psdata *ps = ps_init(stdout, colour);
2315 document_print(doc, ps_drawing_api(ps));
2326 gtk_init(&argc, &argv);
2328 fe = new_window(arg, argtype, &error);
2331 fprintf(stderr, "%s: %s\n", pname, error);
2335 if (screenshot_file) {
2337 * Some puzzles will not redraw their entire area if
2338 * given a partially completed animation, which means
2339 * we must redraw now and _then_ redraw again after
2340 * freezing the move timer.
2342 midend_force_redraw(fe->me);
2345 if (redo_proportion) {
2347 midend_process_key(fe->me, 0, 0, 'r');
2348 /* And freeze the timer at the specified position. */
2349 midend_freeze_timer(fe->me, redo_proportion);
2352 if (screenshot_file) {
2354 GError *gerror = NULL;
2356 midend_redraw(fe->me);
2358 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
2359 NULL, 0, 0, 0, 0, -1, -1);
2360 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);