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 /* ----------------------------------------------------------------------
25 * Error reporting functions used elsewhere.
28 void fatal(char *fmt
, ...)
32 fprintf(stderr
, "fatal error: ");
35 vfprintf(stderr
, fmt
, ap
);
38 fprintf(stderr
, "\n");
42 /* ----------------------------------------------------------------------
43 * GTK front end to puzzles.
53 * This structure holds all the data relevant to a single window.
54 * In principle this would allow us to open multiple independent
55 * puzzle windows, although I can't currently see any real point in
56 * doing so. I'm just coding cleanly because there's no
57 * particularly good reason not to.
71 int bbox_l
, bbox_r
, bbox_u
, bbox_d
;
72 int timer_active
, timer_id
;
73 struct timeval last_time
;
77 int cfg_which
, cfgret
;
83 void get_random_seed(void **randseed
, int *randseedsize
)
85 time_t *tp
= snew(time_t);
87 *randseed
= (void *)tp
;
88 *randseedsize
= sizeof(time_t);
91 void frontend_default_colour(frontend
*fe
, float *output
)
93 GdkColor col
= fe
->window
->style
->bg
[GTK_STATE_NORMAL
];
94 output
[0] = col
.red
/ 65535.0;
95 output
[1] = col
.green
/ 65535.0;
96 output
[2] = col
.blue
/ 65535.0;
99 void status_bar(frontend
*fe
, char *text
)
101 assert(fe
->statusbar
);
103 gtk_statusbar_pop(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
);
104 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
, text
);
107 void start_draw(frontend
*fe
)
109 fe
->gc
= gdk_gc_new(fe
->area
->window
);
116 void clip(frontend
*fe
, int x
, int y
, int w
, int h
)
125 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
128 void unclip(frontend
*fe
)
137 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
140 void draw_text(frontend
*fe
, int x
, int y
, int fonttype
, int fontsize
,
141 int align
, int colour
, char *text
)
146 * Find or create the font.
148 for (i
= 0; i
< fe
->nfonts
; i
++)
149 if (fe
->fonts
[i
].type
== fonttype
&& fe
->fonts
[i
].size
== fontsize
)
152 if (i
== fe
->nfonts
) {
153 if (fe
->fontsize
<= fe
->nfonts
) {
154 fe
->fontsize
= fe
->nfonts
+ 10;
155 fe
->fonts
= sresize(fe
->fonts
, fe
->fontsize
, struct font
);
160 fe
->fonts
[i
].type
= fonttype
;
161 fe
->fonts
[i
].size
= fontsize
;
163 #if GTK_CHECK_VERSION(2,0,0)
165 * Use Pango to find the closest match to the requested
169 PangoFontDescription
*fd
;
171 fd
= pango_font_description_new();
172 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
173 pango_font_description_set_family(fd
, fonttype
== FONT_FIXED ?
174 "Monospace" : "Sans");
175 pango_font_description_set_weight(fd
, PANGO_WEIGHT_BOLD
);
177 * I found some online Pango documentation which
178 * described a function called
179 * pango_font_description_set_absolute_size(), which is
180 * _exactly_ what I want here. Unfortunately, none of
181 * my local Pango installations have it (presumably
182 * they're too old), so I'm going to have to hack round
183 * it by figuring out the point size myself. This
184 * limits me to X and probably also breaks in later
185 * Pango installations, so ideally I should add another
186 * CHECK_VERSION type ifdef and use set_absolute_size
187 * where available. All very annoying.
189 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
190 pango_font_description_set_absolute_size(fd
, PANGO_SCALE
*fontsize
);
193 Display
*d
= GDK_DISPLAY();
194 int s
= DefaultScreen(d
);
196 (PANGO_SCALE
* 72.27 / 25.4) *
197 ((double) DisplayWidthMM(d
, s
) / DisplayWidth (d
, s
));
198 pango_font_description_set_size(fd
, resolution
* fontsize
);
201 fe
->fonts
[i
].font
= gdk_font_from_description(fd
);
202 pango_font_description_free(fd
);
205 if (!fe
->fonts
[i
].font
)
208 * In GTK 1.2, I don't know of any plausible way to
209 * pick a suitable font, so I'm just going to be
212 * This is also fallback code called if the Pango
213 * approach fails to find an appropriate font.
215 fe
->fonts
[i
].font
= gdk_font_load(fonttype
== FONT_FIXED ?
216 "fixed" : "variable");
220 * Find string dimensions and process alignment.
223 int lb
, rb
, wid
, asc
, desc
;
226 * Measure vertical string extents with respect to the same
229 gdk_string_extents(fe
->fonts
[i
].font
,
230 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
231 &lb
, &rb
, &wid
, &asc
, &desc
);
232 if (align
& ALIGN_VCENTRE
)
233 y
+= asc
- (asc
+desc
)/2;
236 * ... but horizontal extents with respect to the provided
237 * string. This means that multiple pieces of text centred
238 * on the same y-coordinate don't have different baselines.
240 gdk_string_extents(fe
->fonts
[i
].font
, text
,
241 &lb
, &rb
, &wid
, &asc
, &desc
);
243 if (align
& ALIGN_HCENTRE
)
245 else if (align
& ALIGN_HRIGHT
)
251 * Set colour and actually draw text.
253 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
254 gdk_draw_string(fe
->pixmap
, fe
->fonts
[i
].font
, fe
->gc
, x
, y
, text
);
257 void draw_rect(frontend
*fe
, int x
, int y
, int w
, int h
, int colour
)
259 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
260 gdk_draw_rectangle(fe
->pixmap
, fe
->gc
, 1, x
, y
, w
, h
);
263 void draw_line(frontend
*fe
, int x1
, int y1
, int x2
, int y2
, int colour
)
265 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
266 gdk_draw_line(fe
->pixmap
, fe
->gc
, x1
, y1
, x2
, y2
);
269 void draw_polygon(frontend
*fe
, int *coords
, int npoints
,
270 int fill
, int colour
)
272 GdkPoint
*points
= snewn(npoints
, GdkPoint
);
275 for (i
= 0; i
< npoints
; i
++) {
276 points
[i
].x
= coords
[i
*2];
277 points
[i
].y
= coords
[i
*2+1];
280 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
281 gdk_draw_polygon(fe
->pixmap
, fe
->gc
, fill
, points
, npoints
);
286 void draw_update(frontend
*fe
, int x
, int y
, int w
, int h
)
288 if (fe
->bbox_l
> x
) fe
->bbox_l
= x
;
289 if (fe
->bbox_r
< x
+w
) fe
->bbox_r
= x
+w
;
290 if (fe
->bbox_u
> y
) fe
->bbox_u
= y
;
291 if (fe
->bbox_d
< y
+h
) fe
->bbox_d
= y
+h
;
294 void end_draw(frontend
*fe
)
296 gdk_gc_unref(fe
->gc
);
299 if (fe
->bbox_l
< fe
->bbox_r
&& fe
->bbox_u
< fe
->bbox_d
) {
300 gdk_draw_pixmap(fe
->area
->window
,
301 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
303 fe
->bbox_l
, fe
->bbox_u
,
304 fe
->bbox_l
, fe
->bbox_u
,
305 fe
->bbox_r
- fe
->bbox_l
, fe
->bbox_d
- fe
->bbox_u
);
309 static void destroy(GtkWidget
*widget
, gpointer data
)
311 frontend
*fe
= (frontend
*)data
;
312 deactivate_timer(fe
);
316 static gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
318 frontend
*fe
= (frontend
*)data
;
324 if (event
->string
[0] && !event
->string
[1])
325 keyval
= (unsigned char)event
->string
[0];
326 else if (event
->keyval
== GDK_Up
|| event
->keyval
== GDK_KP_Up
||
327 event
->keyval
== GDK_KP_8
)
329 else if (event
->keyval
== GDK_Down
|| event
->keyval
== GDK_KP_Down
||
330 event
->keyval
== GDK_KP_2
)
331 keyval
= CURSOR_DOWN
;
332 else if (event
->keyval
== GDK_Left
|| event
->keyval
== GDK_KP_Left
||
333 event
->keyval
== GDK_KP_4
)
334 keyval
= CURSOR_LEFT
;
335 else if (event
->keyval
== GDK_Right
|| event
->keyval
== GDK_KP_Right
||
336 event
->keyval
== GDK_KP_6
)
337 keyval
= CURSOR_RIGHT
;
338 else if (event
->keyval
== GDK_KP_Home
|| event
->keyval
== GDK_KP_7
)
339 keyval
= CURSOR_UP_LEFT
;
340 else if (event
->keyval
== GDK_KP_End
|| event
->keyval
== GDK_KP_1
)
341 keyval
= CURSOR_DOWN_LEFT
;
342 else if (event
->keyval
== GDK_KP_Page_Up
|| event
->keyval
== GDK_KP_9
)
343 keyval
= CURSOR_UP_RIGHT
;
344 else if (event
->keyval
== GDK_KP_Page_Down
|| event
->keyval
== GDK_KP_3
)
345 keyval
= CURSOR_DOWN_RIGHT
;
350 !midend_process_key(fe
->me
, 0, 0, keyval
))
351 gtk_widget_destroy(fe
->window
);
356 static gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
,
359 frontend
*fe
= (frontend
*)data
;
365 if (event
->type
!= GDK_BUTTON_PRESS
&& event
->type
!= GDK_BUTTON_RELEASE
)
368 if (event
->button
== 2 || (event
->state
& GDK_SHIFT_MASK
))
369 button
= MIDDLE_BUTTON
;
370 else if (event
->button
== 1)
371 button
= LEFT_BUTTON
;
372 else if (event
->button
== 3)
373 button
= RIGHT_BUTTON
;
375 return FALSE
; /* don't even know what button! */
377 if (event
->type
== GDK_BUTTON_RELEASE
)
378 button
+= LEFT_RELEASE
- LEFT_BUTTON
;
380 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
381 gtk_widget_destroy(fe
->window
);
386 static gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
,
389 frontend
*fe
= (frontend
*)data
;
395 if (event
->state
& (GDK_BUTTON2_MASK
| GDK_SHIFT_MASK
))
396 button
= MIDDLE_DRAG
;
397 else if (event
->state
& GDK_BUTTON1_MASK
)
399 else if (event
->state
& GDK_BUTTON3_MASK
)
402 return FALSE
; /* don't even know what button! */
404 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
405 gtk_widget_destroy(fe
->window
);
410 static gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
,
413 frontend
*fe
= (frontend
*)data
;
416 gdk_draw_pixmap(widget
->window
,
417 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
419 event
->area
.x
, event
->area
.y
,
420 event
->area
.x
, event
->area
.y
,
421 event
->area
.width
, event
->area
.height
);
426 static gint
map_window(GtkWidget
*widget
, GdkEvent
*event
,
429 frontend
*fe
= (frontend
*)data
;
432 * Apparently we need to do this because otherwise the status
433 * bar will fail to update immediately. Annoying, but there we
436 gtk_widget_queue_draw(fe
->window
);
441 static gint
configure_area(GtkWidget
*widget
,
442 GdkEventConfigure
*event
, gpointer data
)
444 frontend
*fe
= (frontend
*)data
;
448 gdk_pixmap_unref(fe
->pixmap
);
450 fe
->pixmap
= gdk_pixmap_new(widget
->window
, fe
->w
, fe
->h
, -1);
452 gc
= gdk_gc_new(fe
->area
->window
);
453 gdk_gc_set_foreground(gc
, &fe
->colours
[0]);
454 gdk_draw_rectangle(fe
->pixmap
, gc
, 1, 0, 0, fe
->w
, fe
->h
);
457 midend_redraw(fe
->me
);
462 static gint
timer_func(gpointer data
)
464 frontend
*fe
= (frontend
*)data
;
466 if (fe
->timer_active
) {
469 gettimeofday(&now
, NULL
);
470 elapsed
= ((now
.tv_usec
- fe
->last_time
.tv_usec
) * 0.000001F
+
471 (now
.tv_sec
- fe
->last_time
.tv_sec
));
472 midend_timer(fe
->me
, elapsed
); /* may clear timer_active */
476 return fe
->timer_active
;
479 void deactivate_timer(frontend
*fe
)
481 if (fe
->timer_active
)
482 gtk_timeout_remove(fe
->timer_id
);
483 fe
->timer_active
= FALSE
;
486 void activate_timer(frontend
*fe
)
488 if (!fe
->timer_active
) {
489 fe
->timer_id
= gtk_timeout_add(20, timer_func
, fe
);
490 gettimeofday(&fe
->last_time
, NULL
);
492 fe
->timer_active
= TRUE
;
495 static void window_destroy(GtkWidget
*widget
, gpointer data
)
500 static void errmsg_button_clicked(GtkButton
*button
, gpointer data
)
502 gtk_widget_destroy(GTK_WIDGET(data
));
505 static int win_key_press(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
507 GtkObject
*cancelbutton
= GTK_OBJECT(data
);
510 * `Escape' effectively clicks the cancel button
512 if (event
->keyval
== GDK_Escape
) {
513 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton
), "clicked");
520 void error_box(GtkWidget
*parent
, char *msg
)
522 GtkWidget
*window
, *hbox
, *text
, *ok
;
524 window
= gtk_dialog_new();
525 text
= gtk_label_new(msg
);
526 gtk_misc_set_alignment(GTK_MISC(text
), 0.0, 0.0);
527 hbox
= gtk_hbox_new(FALSE
, 0);
528 gtk_box_pack_start(GTK_BOX(hbox
), text
, FALSE
, FALSE
, 20);
529 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window
)->vbox
),
530 hbox
, FALSE
, FALSE
, 20);
531 gtk_widget_show(text
);
532 gtk_widget_show(hbox
);
533 gtk_window_set_title(GTK_WINDOW(window
), "Error");
534 gtk_label_set_line_wrap(GTK_LABEL(text
), TRUE
);
535 ok
= gtk_button_new_with_label("OK");
536 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window
)->action_area
),
537 ok
, FALSE
, FALSE
, 0);
539 GTK_WIDGET_SET_FLAGS(ok
, GTK_CAN_DEFAULT
);
540 gtk_window_set_default(GTK_WINDOW(window
), ok
);
541 gtk_signal_connect(GTK_OBJECT(ok
), "clicked",
542 GTK_SIGNAL_FUNC(errmsg_button_clicked
), window
);
543 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
544 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
545 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
546 GTK_SIGNAL_FUNC(win_key_press
), ok
);
547 gtk_window_set_modal(GTK_WINDOW(window
), TRUE
);
548 gtk_window_set_transient_for(GTK_WINDOW(window
), GTK_WINDOW(parent
));
549 //set_transient_window_pos(parent, window);
550 gtk_widget_show(window
);
554 static void config_ok_button_clicked(GtkButton
*button
, gpointer data
)
556 frontend
*fe
= (frontend
*)data
;
559 err
= midend_set_config(fe
->me
, fe
->cfg_which
, fe
->cfg
);
562 error_box(fe
->cfgbox
, err
);
565 gtk_widget_destroy(fe
->cfgbox
);
569 static void config_cancel_button_clicked(GtkButton
*button
, gpointer data
)
571 frontend
*fe
= (frontend
*)data
;
573 gtk_widget_destroy(fe
->cfgbox
);
576 static int editbox_key(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
579 * GtkEntry has a nasty habit of eating the Return key, which
580 * is unhelpful since it doesn't actually _do_ anything with it
581 * (it calls gtk_widget_activate, but our edit boxes never need
582 * activating). So I catch Return before GtkEntry sees it, and
583 * pass it straight on to the parent widget. Effect: hitting
584 * Return in an edit box will now activate the default button
585 * in the dialog just like it will everywhere else.
587 if (event
->keyval
== GDK_Return
&& widget
->parent
!= NULL
) {
589 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget
), "key_press_event");
590 gtk_signal_emit_by_name(GTK_OBJECT(widget
->parent
), "key_press_event",
597 static void editbox_changed(GtkEditable
*ed
, gpointer data
)
599 config_item
*i
= (config_item
*)data
;
602 i
->sval
= dupstr(gtk_entry_get_text(GTK_ENTRY(ed
)));
605 static void button_toggled(GtkToggleButton
*tb
, gpointer data
)
607 config_item
*i
= (config_item
*)data
;
609 i
->ival
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb
));
612 static void droplist_sel(GtkMenuItem
*item
, gpointer data
)
614 config_item
*i
= (config_item
*)data
;
616 i
->ival
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
620 static int get_config(frontend
*fe
, int which
)
622 GtkWidget
*w
, *table
, *cancel
;
627 fe
->cfg
= midend_get_config(fe
->me
, which
, &title
);
628 fe
->cfg_which
= which
;
631 fe
->cfgbox
= gtk_dialog_new();
632 gtk_window_set_title(GTK_WINDOW(fe
->cfgbox
), title
);
635 w
= gtk_button_new_with_label("OK");
636 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
639 GTK_WIDGET_SET_FLAGS(w
, GTK_CAN_DEFAULT
);
640 gtk_window_set_default(GTK_WINDOW(fe
->cfgbox
), w
);
641 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
642 GTK_SIGNAL_FUNC(config_ok_button_clicked
), fe
);
644 w
= gtk_button_new_with_label("Cancel");
645 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
648 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
649 GTK_SIGNAL_FUNC(config_cancel_button_clicked
), fe
);
652 table
= gtk_table_new(1, 2, FALSE
);
654 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->vbox
),
655 table
, FALSE
, FALSE
, 0);
656 gtk_widget_show(table
);
658 for (i
= fe
->cfg
; i
->type
!= C_END
; i
++) {
659 gtk_table_resize(GTK_TABLE(table
), y
+1, 2);
664 * Edit box with a label beside it.
667 w
= gtk_label_new(i
->name
);
668 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
669 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
670 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
671 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
676 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
677 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
678 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
680 gtk_entry_set_text(GTK_ENTRY(w
), i
->sval
);
681 gtk_signal_connect(GTK_OBJECT(w
), "changed",
682 GTK_SIGNAL_FUNC(editbox_changed
), i
);
683 gtk_signal_connect(GTK_OBJECT(w
), "key_press_event",
684 GTK_SIGNAL_FUNC(editbox_key
), NULL
);
693 w
= gtk_check_button_new_with_label(i
->name
);
694 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
695 GTK_SIGNAL_FUNC(button_toggled
), i
);
696 gtk_table_attach(GTK_TABLE(table
), w
, 0, 2, y
, y
+1,
697 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
698 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
700 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w
), i
->ival
);
706 * Drop-down list (GtkOptionMenu).
709 w
= gtk_label_new(i
->name
);
710 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
711 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
712 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
713 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
717 w
= gtk_option_menu_new();
718 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
719 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
720 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
728 GtkWidget
*menu
= gtk_menu_new();
730 gtk_option_menu_set_menu(GTK_OPTION_MENU(w
), menu
);
738 while (*q
&& *q
!= c
)
741 name
= snewn(q
-p
+1, char);
742 strncpy(name
, p
, q
-p
);
745 if (*q
) q
++; /* eat delimiter */
747 menuitem
= gtk_menu_item_new_with_label(name
);
748 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
749 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
750 GINT_TO_POINTER(val
));
751 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
752 GTK_SIGNAL_FUNC(droplist_sel
), i
);
753 gtk_widget_show(menuitem
);
760 gtk_option_menu_set_history(GTK_OPTION_MENU(w
), i
->ival
);
769 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "destroy",
770 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
771 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "key_press_event",
772 GTK_SIGNAL_FUNC(win_key_press
), cancel
);
773 gtk_window_set_modal(GTK_WINDOW(fe
->cfgbox
), TRUE
);
774 gtk_window_set_transient_for(GTK_WINDOW(fe
->cfgbox
),
775 GTK_WINDOW(fe
->window
));
776 //set_transient_window_pos(fe->window, fe->cfgbox);
777 gtk_widget_show(fe
->cfgbox
);
785 static void menu_key_event(GtkMenuItem
*menuitem
, gpointer data
)
787 frontend
*fe
= (frontend
*)data
;
788 int key
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
790 if (!midend_process_key(fe
->me
, 0, 0, key
))
791 gtk_widget_destroy(fe
->window
);
794 static void menu_preset_event(GtkMenuItem
*menuitem
, gpointer data
)
796 frontend
*fe
= (frontend
*)data
;
797 game_params
*params
=
798 (game_params
*)gtk_object_get_data(GTK_OBJECT(menuitem
), "user-data");
801 midend_set_params(fe
->me
, params
);
802 midend_new_game(fe
->me
);
803 midend_size(fe
->me
, &x
, &y
);
804 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
809 GdkAtom compound_text_atom
, utf8_string_atom
;
810 int paste_initialised
= FALSE
;
814 if (paste_initialised
)
817 if (!compound_text_atom
)
818 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
819 if (!utf8_string_atom
)
820 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
823 * Ensure that all the cut buffers exist - according to the
824 * ICCCM, we must do this before we start using cut buffers.
826 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
827 XA_CUT_BUFFER0
, XA_STRING
, 8, PropModeAppend
, "", 0);
828 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
829 XA_CUT_BUFFER1
, XA_STRING
, 8, PropModeAppend
, "", 0);
830 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
831 XA_CUT_BUFFER2
, XA_STRING
, 8, PropModeAppend
, "", 0);
832 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
833 XA_CUT_BUFFER3
, XA_STRING
, 8, PropModeAppend
, "", 0);
834 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
835 XA_CUT_BUFFER4
, XA_STRING
, 8, PropModeAppend
, "", 0);
836 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
837 XA_CUT_BUFFER5
, XA_STRING
, 8, PropModeAppend
, "", 0);
838 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
839 XA_CUT_BUFFER6
, XA_STRING
, 8, PropModeAppend
, "", 0);
840 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
841 XA_CUT_BUFFER7
, XA_STRING
, 8, PropModeAppend
, "", 0);
844 /* Store data in a cut-buffer. */
845 void store_cutbuffer(char *ptr
, int len
)
847 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
848 XRotateBuffers(GDK_DISPLAY(), 1);
849 XStoreBytes(GDK_DISPLAY(), ptr
, len
);
852 void write_clip(frontend
*fe
, char *data
)
857 sfree(fe
->paste_data
);
860 * For this simple application we can safely assume that the
861 * data passed to this function is pure ASCII, which means we
862 * can return precisely the same stuff for types STRING,
863 * COMPOUND_TEXT or UTF8_STRING.
866 fe
->paste_data
= data
;
867 fe
->paste_data_len
= strlen(data
);
869 store_cutbuffer(fe
->paste_data
, fe
->paste_data_len
);
871 if (gtk_selection_owner_set(fe
->area
, GDK_SELECTION_PRIMARY
,
873 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
874 GDK_SELECTION_TYPE_STRING
, 1);
875 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
876 compound_text_atom
, 1);
877 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
878 utf8_string_atom
, 1);
882 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
883 guint info
, guint time_stamp
, gpointer data
)
885 frontend
*fe
= (frontend
*)data
;
886 gtk_selection_data_set(seldata
, seldata
->target
, 8,
887 fe
->paste_data
, fe
->paste_data_len
);
890 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
893 frontend
*fe
= (frontend
*)data
;
896 sfree(fe
->paste_data
);
897 fe
->paste_data
= NULL
;
898 fe
->paste_data_len
= 0;
902 static void menu_copy_event(GtkMenuItem
*menuitem
, gpointer data
)
904 frontend
*fe
= (frontend
*)data
;
907 text
= midend_text_format(fe
->me
);
910 write_clip(fe
, text
);
916 static void menu_config_event(GtkMenuItem
*menuitem
, gpointer data
)
918 frontend
*fe
= (frontend
*)data
;
919 int which
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
923 if (!get_config(fe
, which
))
926 midend_new_game(fe
->me
);
927 midend_size(fe
->me
, &x
, &y
);
928 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
933 static GtkWidget
*add_menu_item_with_key(frontend
*fe
, GtkContainer
*cont
,
936 GtkWidget
*menuitem
= gtk_menu_item_new_with_label(text
);
937 gtk_container_add(cont
, menuitem
);
938 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
939 GINT_TO_POINTER(key
));
940 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
941 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
942 gtk_widget_show(menuitem
);
946 static void add_menu_separator(GtkContainer
*cont
)
948 GtkWidget
*menuitem
= gtk_menu_item_new();
949 gtk_container_add(cont
, menuitem
);
950 gtk_widget_show(menuitem
);
953 static frontend
*new_window(char *game_id
, char **error
)
957 GtkWidget
*menubar
, *menu
, *menuitem
;
962 fe
->me
= midend_new(fe
, &thegame
);
964 *error
= midend_game_id(fe
->me
, game_id
, FALSE
);
971 midend_new_game(fe
->me
);
973 fe
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
974 gtk_window_set_title(GTK_WINDOW(fe
->window
), thegame
.name
);
976 gtk_window_set_resizable(GTK_WINDOW(fe
->window
), FALSE
);
978 gtk_window_set_policy(GTK_WINDOW(fe
->window
), FALSE
, FALSE
, TRUE
);
980 vbox
= GTK_BOX(gtk_vbox_new(FALSE
, 0));
981 gtk_container_add(GTK_CONTAINER(fe
->window
), GTK_WIDGET(vbox
));
982 gtk_widget_show(GTK_WIDGET(vbox
));
984 menubar
= gtk_menu_bar_new();
985 gtk_box_pack_start(vbox
, menubar
, FALSE
, FALSE
, 0);
986 gtk_widget_show(menubar
);
988 menuitem
= gtk_menu_item_new_with_label("Game");
989 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
990 gtk_widget_show(menuitem
);
992 menu
= gtk_menu_new();
993 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
995 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "New", 'n');
996 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Restart", 'r');
998 menuitem
= gtk_menu_item_new_with_label("Specific...");
999 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1000 GINT_TO_POINTER(CFG_SEED
));
1001 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1002 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1003 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1004 gtk_widget_show(menuitem
);
1006 if ((n
= midend_num_presets(fe
->me
)) > 0 || thegame
.can_configure
) {
1010 menuitem
= gtk_menu_item_new_with_label("Type");
1011 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1012 gtk_widget_show(menuitem
);
1014 submenu
= gtk_menu_new();
1015 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), submenu
);
1017 for (i
= 0; i
< n
; i
++) {
1019 game_params
*params
;
1021 midend_fetch_preset(fe
->me
, i
, &name
, ¶ms
);
1023 menuitem
= gtk_menu_item_new_with_label(name
);
1024 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1025 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data", params
);
1026 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1027 GTK_SIGNAL_FUNC(menu_preset_event
), fe
);
1028 gtk_widget_show(menuitem
);
1031 if (thegame
.can_configure
) {
1032 menuitem
= gtk_menu_item_new_with_label("Custom...");
1033 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1034 GPOINTER_TO_INT(CFG_SETTINGS
));
1035 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1036 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1037 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1038 gtk_widget_show(menuitem
);
1042 add_menu_separator(GTK_CONTAINER(menu
));
1043 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Undo", 'u');
1044 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Redo", '\x12');
1045 if (thegame
.can_format_as_text
) {
1046 add_menu_separator(GTK_CONTAINER(menu
));
1047 menuitem
= gtk_menu_item_new_with_label("Copy");
1048 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1049 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1050 GTK_SIGNAL_FUNC(menu_copy_event
), fe
);
1051 gtk_widget_show(menuitem
);
1053 add_menu_separator(GTK_CONTAINER(menu
));
1054 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Exit", 'q');
1061 fe
->colmap
= gdk_colormap_get_system();
1062 colours
= midend_colours(fe
->me
, &ncolours
);
1063 fe
->ncolours
= ncolours
;
1064 fe
->colours
= snewn(ncolours
, GdkColor
);
1065 for (i
= 0; i
< ncolours
; i
++) {
1066 fe
->colours
[i
].red
= colours
[i
*3] * 0xFFFF;
1067 fe
->colours
[i
].green
= colours
[i
*3+1] * 0xFFFF;
1068 fe
->colours
[i
].blue
= colours
[i
*3+2] * 0xFFFF;
1070 success
= snewn(ncolours
, gboolean
);
1071 gdk_colormap_alloc_colors(fe
->colmap
, fe
->colours
, ncolours
,
1072 FALSE
, FALSE
, success
);
1073 for (i
= 0; i
< ncolours
; i
++) {
1075 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1076 i
, fe
->colours
[i
].red
>> 8,
1077 fe
->colours
[i
].green
>> 8,
1078 fe
->colours
[i
].blue
>> 8);
1082 if (midend_wants_statusbar(fe
->me
)) {
1083 GtkWidget
*viewport
;
1086 viewport
= gtk_viewport_new(NULL
, NULL
);
1087 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport
), GTK_SHADOW_NONE
);
1088 fe
->statusbar
= gtk_statusbar_new();
1089 gtk_container_add(GTK_CONTAINER(viewport
), fe
->statusbar
);
1090 gtk_widget_show(viewport
);
1091 gtk_box_pack_end(vbox
, viewport
, FALSE
, FALSE
, 0);
1092 gtk_widget_show(fe
->statusbar
);
1093 fe
->statusctx
= gtk_statusbar_get_context_id
1094 (GTK_STATUSBAR(fe
->statusbar
), "game");
1095 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
,
1097 gtk_widget_size_request(fe
->statusbar
, &req
);
1099 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1101 gtk_widget_set_usize(viewport
, -1, req
.height
);
1103 fe
->statusbar
= NULL
;
1105 fe
->area
= gtk_drawing_area_new();
1106 midend_size(fe
->me
, &x
, &y
);
1107 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1111 gtk_box_pack_end(vbox
, fe
->area
, FALSE
, FALSE
, 0);
1115 fe
->nfonts
= fe
->fontsize
= 0;
1117 fe
->timer_active
= FALSE
;
1119 fe
->paste_data
= NULL
;
1120 fe
->paste_data_len
= 0;
1122 gtk_signal_connect(GTK_OBJECT(fe
->window
), "destroy",
1123 GTK_SIGNAL_FUNC(destroy
), fe
);
1124 gtk_signal_connect(GTK_OBJECT(fe
->window
), "key_press_event",
1125 GTK_SIGNAL_FUNC(key_event
), fe
);
1126 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_press_event",
1127 GTK_SIGNAL_FUNC(button_event
), fe
);
1128 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_release_event",
1129 GTK_SIGNAL_FUNC(button_event
), fe
);
1130 gtk_signal_connect(GTK_OBJECT(fe
->area
), "motion_notify_event",
1131 GTK_SIGNAL_FUNC(motion_event
), fe
);
1132 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_get",
1133 GTK_SIGNAL_FUNC(selection_get
), fe
);
1134 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_clear_event",
1135 GTK_SIGNAL_FUNC(selection_clear
), fe
);
1136 gtk_signal_connect(GTK_OBJECT(fe
->area
), "expose_event",
1137 GTK_SIGNAL_FUNC(expose_area
), fe
);
1138 gtk_signal_connect(GTK_OBJECT(fe
->window
), "map_event",
1139 GTK_SIGNAL_FUNC(map_window
), fe
);
1140 gtk_signal_connect(GTK_OBJECT(fe
->area
), "configure_event",
1141 GTK_SIGNAL_FUNC(configure_area
), fe
);
1143 gtk_widget_add_events(GTK_WIDGET(fe
->area
),
1144 GDK_BUTTON_PRESS_MASK
|
1145 GDK_BUTTON_RELEASE_MASK
|
1146 GDK_BUTTON_MOTION_MASK
);
1148 gtk_widget_show(fe
->area
);
1149 gtk_widget_show(fe
->window
);
1154 int main(int argc
, char **argv
)
1156 char *pname
= argv
[0];
1160 * Special standalone mode for generating puzzle IDs on the
1161 * command line. Useful for generating puzzles to be printed
1162 * out and solved offline (for puzzles where that even makes
1163 * sense - Solo, for example, is a lot more pencil-and-paper
1164 * friendly than Net!)
1168 * <puzzle-name> --generate [<n> [<params>]]
1170 * <n>, if present, is the number of puzzle IDs to generate.
1171 * <params>, if present, is the same type of parameter string
1172 * you would pass to the puzzle when running it in GUI mode,
1173 * including optional extras such as the expansion factor in
1174 * Rectangles and the difficulty level in Solo.
1176 * If you specify <params>, you must also specify <n> (although
1177 * you may specify it to be 1). Sorry; that was the
1178 * simplest-to-parse command-line syntax I came up with.
1180 if (argc
> 1 && !strcmp(argv
[1], "--generate")) {
1182 char *params
= NULL
;
1190 get_random_seed(&seed
, &seedlen
);
1191 rs
= random_init(seed
, seedlen
);
1200 par
= thegame
.decode_params(params
);
1202 par
= thegame
.default_params();
1203 parstr
= thegame
.encode_params(par
);
1206 char *seed
= thegame
.new_seed(par
, rs
);
1207 printf("%s:%s\n", parstr
, seed
);
1214 gtk_init(&argc
, &argv
);
1216 if (!new_window(argc
> 1 ? argv
[1] : NULL
, &error
)) {
1217 fprintf(stderr
, "%s: %s\n", pname
, error
);