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
->keyval
== GDK_Up
)
326 else if (event
->keyval
== GDK_KP_Up
|| event
->keyval
== GDK_KP_8
)
327 keyval
= MOD_NUM_KEYPAD
| '8';
328 else if (event
->keyval
== GDK_Down
)
329 keyval
= CURSOR_DOWN
;
330 else if (event
->keyval
== GDK_KP_Down
|| event
->keyval
== GDK_KP_2
)
331 keyval
= MOD_NUM_KEYPAD
| '2';
332 else if (event
->keyval
== GDK_Left
)
333 keyval
= CURSOR_LEFT
;
334 else if (event
->keyval
== GDK_KP_Left
|| event
->keyval
== GDK_KP_4
)
335 keyval
= MOD_NUM_KEYPAD
| '4';
336 else if (event
->keyval
== GDK_Right
)
337 keyval
= CURSOR_RIGHT
;
338 else if (event
->keyval
== GDK_KP_Right
|| event
->keyval
== GDK_KP_6
)
339 keyval
= MOD_NUM_KEYPAD
| '6';
340 else if (event
->keyval
== GDK_KP_Home
|| event
->keyval
== GDK_KP_7
)
341 keyval
= MOD_NUM_KEYPAD
| '7';
342 else if (event
->keyval
== GDK_KP_End
|| event
->keyval
== GDK_KP_1
)
343 keyval
= MOD_NUM_KEYPAD
| '1';
344 else if (event
->keyval
== GDK_KP_Page_Up
|| event
->keyval
== GDK_KP_9
)
345 keyval
= MOD_NUM_KEYPAD
| '9';
346 else if (event
->keyval
== GDK_KP_Page_Down
|| event
->keyval
== GDK_KP_3
)
347 keyval
= MOD_NUM_KEYPAD
| '3';
348 else if (event
->keyval
== GDK_KP_Insert
|| event
->keyval
== GDK_KP_0
)
349 keyval
= MOD_NUM_KEYPAD
| '0';
350 else if (event
->keyval
== GDK_KP_Begin
|| event
->keyval
== GDK_KP_5
)
351 keyval
= MOD_NUM_KEYPAD
| '5';
352 else if (event
->string
[0] && !event
->string
[1])
353 keyval
= (unsigned char)event
->string
[0];
358 !midend_process_key(fe
->me
, 0, 0, keyval
))
359 gtk_widget_destroy(fe
->window
);
364 static gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
,
367 frontend
*fe
= (frontend
*)data
;
373 if (event
->type
!= GDK_BUTTON_PRESS
&& event
->type
!= GDK_BUTTON_RELEASE
)
376 if (event
->button
== 2 || (event
->state
& GDK_SHIFT_MASK
))
377 button
= MIDDLE_BUTTON
;
378 else if (event
->button
== 1)
379 button
= LEFT_BUTTON
;
380 else if (event
->button
== 3)
381 button
= RIGHT_BUTTON
;
383 return FALSE
; /* don't even know what button! */
385 if (event
->type
== GDK_BUTTON_RELEASE
)
386 button
+= LEFT_RELEASE
- LEFT_BUTTON
;
388 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
389 gtk_widget_destroy(fe
->window
);
394 static gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
,
397 frontend
*fe
= (frontend
*)data
;
403 if (event
->state
& (GDK_BUTTON2_MASK
| GDK_SHIFT_MASK
))
404 button
= MIDDLE_DRAG
;
405 else if (event
->state
& GDK_BUTTON1_MASK
)
407 else if (event
->state
& GDK_BUTTON3_MASK
)
410 return FALSE
; /* don't even know what button! */
412 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
413 gtk_widget_destroy(fe
->window
);
418 static gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
,
421 frontend
*fe
= (frontend
*)data
;
424 gdk_draw_pixmap(widget
->window
,
425 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
427 event
->area
.x
, event
->area
.y
,
428 event
->area
.x
, event
->area
.y
,
429 event
->area
.width
, event
->area
.height
);
434 static gint
map_window(GtkWidget
*widget
, GdkEvent
*event
,
437 frontend
*fe
= (frontend
*)data
;
440 * Apparently we need to do this because otherwise the status
441 * bar will fail to update immediately. Annoying, but there we
444 gtk_widget_queue_draw(fe
->window
);
449 static gint
configure_area(GtkWidget
*widget
,
450 GdkEventConfigure
*event
, gpointer data
)
452 frontend
*fe
= (frontend
*)data
;
456 gdk_pixmap_unref(fe
->pixmap
);
458 fe
->pixmap
= gdk_pixmap_new(widget
->window
, fe
->w
, fe
->h
, -1);
460 gc
= gdk_gc_new(fe
->area
->window
);
461 gdk_gc_set_foreground(gc
, &fe
->colours
[0]);
462 gdk_draw_rectangle(fe
->pixmap
, gc
, 1, 0, 0, fe
->w
, fe
->h
);
465 midend_redraw(fe
->me
);
470 static gint
timer_func(gpointer data
)
472 frontend
*fe
= (frontend
*)data
;
474 if (fe
->timer_active
) {
477 gettimeofday(&now
, NULL
);
478 elapsed
= ((now
.tv_usec
- fe
->last_time
.tv_usec
) * 0.000001F
+
479 (now
.tv_sec
- fe
->last_time
.tv_sec
));
480 midend_timer(fe
->me
, elapsed
); /* may clear timer_active */
484 return fe
->timer_active
;
487 void deactivate_timer(frontend
*fe
)
489 if (fe
->timer_active
)
490 gtk_timeout_remove(fe
->timer_id
);
491 fe
->timer_active
= FALSE
;
494 void activate_timer(frontend
*fe
)
496 if (!fe
->timer_active
) {
497 fe
->timer_id
= gtk_timeout_add(20, timer_func
, fe
);
498 gettimeofday(&fe
->last_time
, NULL
);
500 fe
->timer_active
= TRUE
;
503 static void window_destroy(GtkWidget
*widget
, gpointer data
)
508 static void errmsg_button_clicked(GtkButton
*button
, gpointer data
)
510 gtk_widget_destroy(GTK_WIDGET(data
));
513 static int win_key_press(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
515 GtkObject
*cancelbutton
= GTK_OBJECT(data
);
518 * `Escape' effectively clicks the cancel button
520 if (event
->keyval
== GDK_Escape
) {
521 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton
), "clicked");
528 void error_box(GtkWidget
*parent
, char *msg
)
530 GtkWidget
*window
, *hbox
, *text
, *ok
;
532 window
= gtk_dialog_new();
533 text
= gtk_label_new(msg
);
534 gtk_misc_set_alignment(GTK_MISC(text
), 0.0, 0.0);
535 hbox
= gtk_hbox_new(FALSE
, 0);
536 gtk_box_pack_start(GTK_BOX(hbox
), text
, FALSE
, FALSE
, 20);
537 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window
)->vbox
),
538 hbox
, FALSE
, FALSE
, 20);
539 gtk_widget_show(text
);
540 gtk_widget_show(hbox
);
541 gtk_window_set_title(GTK_WINDOW(window
), "Error");
542 gtk_label_set_line_wrap(GTK_LABEL(text
), TRUE
);
543 ok
= gtk_button_new_with_label("OK");
544 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window
)->action_area
),
545 ok
, FALSE
, FALSE
, 0);
547 GTK_WIDGET_SET_FLAGS(ok
, GTK_CAN_DEFAULT
);
548 gtk_window_set_default(GTK_WINDOW(window
), ok
);
549 gtk_signal_connect(GTK_OBJECT(ok
), "clicked",
550 GTK_SIGNAL_FUNC(errmsg_button_clicked
), window
);
551 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
552 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
553 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
554 GTK_SIGNAL_FUNC(win_key_press
), ok
);
555 gtk_window_set_modal(GTK_WINDOW(window
), TRUE
);
556 gtk_window_set_transient_for(GTK_WINDOW(window
), GTK_WINDOW(parent
));
557 //set_transient_window_pos(parent, window);
558 gtk_widget_show(window
);
562 static void config_ok_button_clicked(GtkButton
*button
, gpointer data
)
564 frontend
*fe
= (frontend
*)data
;
567 err
= midend_set_config(fe
->me
, fe
->cfg_which
, fe
->cfg
);
570 error_box(fe
->cfgbox
, err
);
573 gtk_widget_destroy(fe
->cfgbox
);
577 static void config_cancel_button_clicked(GtkButton
*button
, gpointer data
)
579 frontend
*fe
= (frontend
*)data
;
581 gtk_widget_destroy(fe
->cfgbox
);
584 static int editbox_key(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
587 * GtkEntry has a nasty habit of eating the Return key, which
588 * is unhelpful since it doesn't actually _do_ anything with it
589 * (it calls gtk_widget_activate, but our edit boxes never need
590 * activating). So I catch Return before GtkEntry sees it, and
591 * pass it straight on to the parent widget. Effect: hitting
592 * Return in an edit box will now activate the default button
593 * in the dialog just like it will everywhere else.
595 if (event
->keyval
== GDK_Return
&& widget
->parent
!= NULL
) {
597 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget
), "key_press_event");
598 gtk_signal_emit_by_name(GTK_OBJECT(widget
->parent
), "key_press_event",
605 static void editbox_changed(GtkEditable
*ed
, gpointer data
)
607 config_item
*i
= (config_item
*)data
;
610 i
->sval
= dupstr(gtk_entry_get_text(GTK_ENTRY(ed
)));
613 static void button_toggled(GtkToggleButton
*tb
, gpointer data
)
615 config_item
*i
= (config_item
*)data
;
617 i
->ival
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb
));
620 static void droplist_sel(GtkMenuItem
*item
, gpointer data
)
622 config_item
*i
= (config_item
*)data
;
624 i
->ival
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
628 static int get_config(frontend
*fe
, int which
)
630 GtkWidget
*w
, *table
, *cancel
;
635 fe
->cfg
= midend_get_config(fe
->me
, which
, &title
);
636 fe
->cfg_which
= which
;
639 fe
->cfgbox
= gtk_dialog_new();
640 gtk_window_set_title(GTK_WINDOW(fe
->cfgbox
), title
);
643 w
= gtk_button_new_with_label("OK");
644 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
647 GTK_WIDGET_SET_FLAGS(w
, GTK_CAN_DEFAULT
);
648 gtk_window_set_default(GTK_WINDOW(fe
->cfgbox
), w
);
649 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
650 GTK_SIGNAL_FUNC(config_ok_button_clicked
), fe
);
652 w
= gtk_button_new_with_label("Cancel");
653 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
656 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
657 GTK_SIGNAL_FUNC(config_cancel_button_clicked
), fe
);
660 table
= gtk_table_new(1, 2, FALSE
);
662 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->vbox
),
663 table
, FALSE
, FALSE
, 0);
664 gtk_widget_show(table
);
666 for (i
= fe
->cfg
; i
->type
!= C_END
; i
++) {
667 gtk_table_resize(GTK_TABLE(table
), y
+1, 2);
672 * Edit box with a label beside it.
675 w
= gtk_label_new(i
->name
);
676 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
677 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
678 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
679 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
684 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
685 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
686 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
688 gtk_entry_set_text(GTK_ENTRY(w
), i
->sval
);
689 gtk_signal_connect(GTK_OBJECT(w
), "changed",
690 GTK_SIGNAL_FUNC(editbox_changed
), i
);
691 gtk_signal_connect(GTK_OBJECT(w
), "key_press_event",
692 GTK_SIGNAL_FUNC(editbox_key
), NULL
);
701 w
= gtk_check_button_new_with_label(i
->name
);
702 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
703 GTK_SIGNAL_FUNC(button_toggled
), i
);
704 gtk_table_attach(GTK_TABLE(table
), w
, 0, 2, y
, y
+1,
705 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
706 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
708 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w
), i
->ival
);
714 * Drop-down list (GtkOptionMenu).
717 w
= gtk_label_new(i
->name
);
718 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
719 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
720 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
721 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
725 w
= gtk_option_menu_new();
726 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
727 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
728 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
736 GtkWidget
*menu
= gtk_menu_new();
738 gtk_option_menu_set_menu(GTK_OPTION_MENU(w
), menu
);
746 while (*q
&& *q
!= c
)
749 name
= snewn(q
-p
+1, char);
750 strncpy(name
, p
, q
-p
);
753 if (*q
) q
++; /* eat delimiter */
755 menuitem
= gtk_menu_item_new_with_label(name
);
756 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
757 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
758 GINT_TO_POINTER(val
));
759 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
760 GTK_SIGNAL_FUNC(droplist_sel
), i
);
761 gtk_widget_show(menuitem
);
768 gtk_option_menu_set_history(GTK_OPTION_MENU(w
), i
->ival
);
777 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "destroy",
778 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
779 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "key_press_event",
780 GTK_SIGNAL_FUNC(win_key_press
), cancel
);
781 gtk_window_set_modal(GTK_WINDOW(fe
->cfgbox
), TRUE
);
782 gtk_window_set_transient_for(GTK_WINDOW(fe
->cfgbox
),
783 GTK_WINDOW(fe
->window
));
784 //set_transient_window_pos(fe->window, fe->cfgbox);
785 gtk_widget_show(fe
->cfgbox
);
793 static void menu_key_event(GtkMenuItem
*menuitem
, gpointer data
)
795 frontend
*fe
= (frontend
*)data
;
796 int key
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
798 if (!midend_process_key(fe
->me
, 0, 0, key
))
799 gtk_widget_destroy(fe
->window
);
802 static void menu_preset_event(GtkMenuItem
*menuitem
, gpointer data
)
804 frontend
*fe
= (frontend
*)data
;
805 game_params
*params
=
806 (game_params
*)gtk_object_get_data(GTK_OBJECT(menuitem
), "user-data");
809 midend_set_params(fe
->me
, params
);
810 midend_new_game(fe
->me
);
811 midend_size(fe
->me
, &x
, &y
);
812 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
817 GdkAtom compound_text_atom
, utf8_string_atom
;
818 int paste_initialised
= FALSE
;
822 if (paste_initialised
)
825 if (!compound_text_atom
)
826 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
827 if (!utf8_string_atom
)
828 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
831 * Ensure that all the cut buffers exist - according to the
832 * ICCCM, we must do this before we start using cut buffers.
834 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
835 XA_CUT_BUFFER0
, XA_STRING
, 8, PropModeAppend
, "", 0);
836 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
837 XA_CUT_BUFFER1
, XA_STRING
, 8, PropModeAppend
, "", 0);
838 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
839 XA_CUT_BUFFER2
, XA_STRING
, 8, PropModeAppend
, "", 0);
840 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
841 XA_CUT_BUFFER3
, XA_STRING
, 8, PropModeAppend
, "", 0);
842 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
843 XA_CUT_BUFFER4
, XA_STRING
, 8, PropModeAppend
, "", 0);
844 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
845 XA_CUT_BUFFER5
, XA_STRING
, 8, PropModeAppend
, "", 0);
846 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
847 XA_CUT_BUFFER6
, XA_STRING
, 8, PropModeAppend
, "", 0);
848 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
849 XA_CUT_BUFFER7
, XA_STRING
, 8, PropModeAppend
, "", 0);
852 /* Store data in a cut-buffer. */
853 void store_cutbuffer(char *ptr
, int len
)
855 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
856 XRotateBuffers(GDK_DISPLAY(), 1);
857 XStoreBytes(GDK_DISPLAY(), ptr
, len
);
860 void write_clip(frontend
*fe
, char *data
)
865 sfree(fe
->paste_data
);
868 * For this simple application we can safely assume that the
869 * data passed to this function is pure ASCII, which means we
870 * can return precisely the same stuff for types STRING,
871 * COMPOUND_TEXT or UTF8_STRING.
874 fe
->paste_data
= data
;
875 fe
->paste_data_len
= strlen(data
);
877 store_cutbuffer(fe
->paste_data
, fe
->paste_data_len
);
879 if (gtk_selection_owner_set(fe
->area
, GDK_SELECTION_PRIMARY
,
881 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
882 GDK_SELECTION_TYPE_STRING
, 1);
883 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
884 compound_text_atom
, 1);
885 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
886 utf8_string_atom
, 1);
890 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
891 guint info
, guint time_stamp
, gpointer data
)
893 frontend
*fe
= (frontend
*)data
;
894 gtk_selection_data_set(seldata
, seldata
->target
, 8,
895 fe
->paste_data
, fe
->paste_data_len
);
898 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
901 frontend
*fe
= (frontend
*)data
;
904 sfree(fe
->paste_data
);
905 fe
->paste_data
= NULL
;
906 fe
->paste_data_len
= 0;
910 static void menu_copy_event(GtkMenuItem
*menuitem
, gpointer data
)
912 frontend
*fe
= (frontend
*)data
;
915 text
= midend_text_format(fe
->me
);
918 write_clip(fe
, text
);
924 static void menu_solve_event(GtkMenuItem
*menuitem
, gpointer data
)
926 frontend
*fe
= (frontend
*)data
;
929 msg
= midend_solve(fe
->me
);
932 error_box(fe
->window
, msg
);
935 static void menu_config_event(GtkMenuItem
*menuitem
, gpointer data
)
937 frontend
*fe
= (frontend
*)data
;
938 int which
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
942 if (!get_config(fe
, which
))
945 midend_new_game(fe
->me
);
946 midend_size(fe
->me
, &x
, &y
);
947 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
952 static GtkWidget
*add_menu_item_with_key(frontend
*fe
, GtkContainer
*cont
,
955 GtkWidget
*menuitem
= gtk_menu_item_new_with_label(text
);
956 gtk_container_add(cont
, menuitem
);
957 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
958 GINT_TO_POINTER(key
));
959 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
960 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
961 gtk_widget_show(menuitem
);
965 static void add_menu_separator(GtkContainer
*cont
)
967 GtkWidget
*menuitem
= gtk_menu_item_new();
968 gtk_container_add(cont
, menuitem
);
969 gtk_widget_show(menuitem
);
972 static frontend
*new_window(char *game_id
, char **error
)
976 GtkWidget
*menubar
, *menu
, *menuitem
;
981 fe
->me
= midend_new(fe
, &thegame
);
983 *error
= midend_game_id(fe
->me
, game_id
, FALSE
);
990 midend_new_game(fe
->me
);
992 fe
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
993 gtk_window_set_title(GTK_WINDOW(fe
->window
), thegame
.name
);
995 gtk_window_set_resizable(GTK_WINDOW(fe
->window
), FALSE
);
997 gtk_window_set_policy(GTK_WINDOW(fe
->window
), FALSE
, FALSE
, TRUE
);
999 vbox
= GTK_BOX(gtk_vbox_new(FALSE
, 0));
1000 gtk_container_add(GTK_CONTAINER(fe
->window
), GTK_WIDGET(vbox
));
1001 gtk_widget_show(GTK_WIDGET(vbox
));
1003 menubar
= gtk_menu_bar_new();
1004 gtk_box_pack_start(vbox
, menubar
, FALSE
, FALSE
, 0);
1005 gtk_widget_show(menubar
);
1007 menuitem
= gtk_menu_item_new_with_label("Game");
1008 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1009 gtk_widget_show(menuitem
);
1011 menu
= gtk_menu_new();
1012 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1014 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "New", 'n');
1015 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Restart", 'r');
1017 menuitem
= gtk_menu_item_new_with_label("Specific...");
1018 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1019 GINT_TO_POINTER(CFG_SEED
));
1020 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1021 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1022 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1023 gtk_widget_show(menuitem
);
1025 if ((n
= midend_num_presets(fe
->me
)) > 0 || thegame
.can_configure
) {
1029 menuitem
= gtk_menu_item_new_with_label("Type");
1030 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1031 gtk_widget_show(menuitem
);
1033 submenu
= gtk_menu_new();
1034 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), submenu
);
1036 for (i
= 0; i
< n
; i
++) {
1038 game_params
*params
;
1040 midend_fetch_preset(fe
->me
, i
, &name
, ¶ms
);
1042 menuitem
= gtk_menu_item_new_with_label(name
);
1043 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1044 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data", params
);
1045 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1046 GTK_SIGNAL_FUNC(menu_preset_event
), fe
);
1047 gtk_widget_show(menuitem
);
1050 if (thegame
.can_configure
) {
1051 menuitem
= gtk_menu_item_new_with_label("Custom...");
1052 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1053 GPOINTER_TO_INT(CFG_SETTINGS
));
1054 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1055 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1056 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1057 gtk_widget_show(menuitem
);
1061 add_menu_separator(GTK_CONTAINER(menu
));
1062 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Undo", 'u');
1063 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Redo", '\x12');
1064 if (thegame
.can_format_as_text
) {
1065 add_menu_separator(GTK_CONTAINER(menu
));
1066 menuitem
= gtk_menu_item_new_with_label("Copy");
1067 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1068 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1069 GTK_SIGNAL_FUNC(menu_copy_event
), fe
);
1070 gtk_widget_show(menuitem
);
1072 if (thegame
.can_solve
) {
1073 add_menu_separator(GTK_CONTAINER(menu
));
1074 menuitem
= gtk_menu_item_new_with_label("Solve");
1075 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1076 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1077 GTK_SIGNAL_FUNC(menu_solve_event
), fe
);
1078 gtk_widget_show(menuitem
);
1080 add_menu_separator(GTK_CONTAINER(menu
));
1081 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Exit", 'q');
1088 fe
->colmap
= gdk_colormap_get_system();
1089 colours
= midend_colours(fe
->me
, &ncolours
);
1090 fe
->ncolours
= ncolours
;
1091 fe
->colours
= snewn(ncolours
, GdkColor
);
1092 for (i
= 0; i
< ncolours
; i
++) {
1093 fe
->colours
[i
].red
= colours
[i
*3] * 0xFFFF;
1094 fe
->colours
[i
].green
= colours
[i
*3+1] * 0xFFFF;
1095 fe
->colours
[i
].blue
= colours
[i
*3+2] * 0xFFFF;
1097 success
= snewn(ncolours
, gboolean
);
1098 gdk_colormap_alloc_colors(fe
->colmap
, fe
->colours
, ncolours
,
1099 FALSE
, FALSE
, success
);
1100 for (i
= 0; i
< ncolours
; i
++) {
1102 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1103 i
, fe
->colours
[i
].red
>> 8,
1104 fe
->colours
[i
].green
>> 8,
1105 fe
->colours
[i
].blue
>> 8);
1109 if (midend_wants_statusbar(fe
->me
)) {
1110 GtkWidget
*viewport
;
1113 viewport
= gtk_viewport_new(NULL
, NULL
);
1114 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport
), GTK_SHADOW_NONE
);
1115 fe
->statusbar
= gtk_statusbar_new();
1116 gtk_container_add(GTK_CONTAINER(viewport
), fe
->statusbar
);
1117 gtk_widget_show(viewport
);
1118 gtk_box_pack_end(vbox
, viewport
, FALSE
, FALSE
, 0);
1119 gtk_widget_show(fe
->statusbar
);
1120 fe
->statusctx
= gtk_statusbar_get_context_id
1121 (GTK_STATUSBAR(fe
->statusbar
), "game");
1122 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
,
1124 gtk_widget_size_request(fe
->statusbar
, &req
);
1126 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1128 gtk_widget_set_usize(viewport
, -1, req
.height
);
1130 fe
->statusbar
= NULL
;
1132 fe
->area
= gtk_drawing_area_new();
1133 midend_size(fe
->me
, &x
, &y
);
1134 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1138 gtk_box_pack_end(vbox
, fe
->area
, FALSE
, FALSE
, 0);
1142 fe
->nfonts
= fe
->fontsize
= 0;
1144 fe
->timer_active
= FALSE
;
1146 fe
->paste_data
= NULL
;
1147 fe
->paste_data_len
= 0;
1149 gtk_signal_connect(GTK_OBJECT(fe
->window
), "destroy",
1150 GTK_SIGNAL_FUNC(destroy
), fe
);
1151 gtk_signal_connect(GTK_OBJECT(fe
->window
), "key_press_event",
1152 GTK_SIGNAL_FUNC(key_event
), fe
);
1153 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_press_event",
1154 GTK_SIGNAL_FUNC(button_event
), fe
);
1155 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_release_event",
1156 GTK_SIGNAL_FUNC(button_event
), fe
);
1157 gtk_signal_connect(GTK_OBJECT(fe
->area
), "motion_notify_event",
1158 GTK_SIGNAL_FUNC(motion_event
), fe
);
1159 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_get",
1160 GTK_SIGNAL_FUNC(selection_get
), fe
);
1161 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_clear_event",
1162 GTK_SIGNAL_FUNC(selection_clear
), fe
);
1163 gtk_signal_connect(GTK_OBJECT(fe
->area
), "expose_event",
1164 GTK_SIGNAL_FUNC(expose_area
), fe
);
1165 gtk_signal_connect(GTK_OBJECT(fe
->window
), "map_event",
1166 GTK_SIGNAL_FUNC(map_window
), fe
);
1167 gtk_signal_connect(GTK_OBJECT(fe
->area
), "configure_event",
1168 GTK_SIGNAL_FUNC(configure_area
), fe
);
1170 gtk_widget_add_events(GTK_WIDGET(fe
->area
),
1171 GDK_BUTTON_PRESS_MASK
|
1172 GDK_BUTTON_RELEASE_MASK
|
1173 GDK_BUTTON_MOTION_MASK
);
1175 gtk_widget_show(fe
->area
);
1176 gtk_widget_show(fe
->window
);
1181 int main(int argc
, char **argv
)
1183 char *pname
= argv
[0];
1187 * Special standalone mode for generating puzzle IDs on the
1188 * command line. Useful for generating puzzles to be printed
1189 * out and solved offline (for puzzles where that even makes
1190 * sense - Solo, for example, is a lot more pencil-and-paper
1191 * friendly than Net!)
1195 * <puzzle-name> --generate [<n> [<params>]]
1197 * <n>, if present, is the number of puzzle IDs to generate.
1198 * <params>, if present, is the same type of parameter string
1199 * you would pass to the puzzle when running it in GUI mode,
1200 * including optional extras such as the expansion factor in
1201 * Rectangles and the difficulty level in Solo.
1203 * If you specify <params>, you must also specify <n> (although
1204 * you may specify it to be 1). Sorry; that was the
1205 * simplest-to-parse command-line syntax I came up with.
1207 if (argc
> 1 && !strcmp(argv
[1], "--generate")) {
1209 char *params
= NULL
;
1217 get_random_seed(&seed
, &seedlen
);
1218 rs
= random_init(seed
, seedlen
);
1227 par
= thegame
.decode_params(params
);
1229 par
= thegame
.default_params();
1230 parstr
= thegame
.encode_params(par
);
1233 game_aux_info
*aux
= NULL
;
1234 char *seed
= thegame
.new_seed(par
, rs
, &aux
);
1235 printf("%s:%s\n", parstr
, seed
);
1238 thegame
.free_aux_info(aux
);
1244 gtk_init(&argc
, &argv
);
1246 if (!new_window(argc
> 1 ? argv
[1] : NULL
, &error
)) {
1247 fprintf(stderr
, "%s: %s\n", pname
, error
);