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
;
84 void get_random_seed(void **randseed
, int *randseedsize
)
86 struct timeval
*tvp
= snew(struct timeval
);
87 gettimeofday(tvp
, NULL
);
88 *randseed
= (void *)tvp
;
89 *randseedsize
= sizeof(struct timeval
);
92 void frontend_default_colour(frontend
*fe
, float *output
)
94 GdkColor col
= fe
->window
->style
->bg
[GTK_STATE_NORMAL
];
95 output
[0] = col
.red
/ 65535.0;
96 output
[1] = col
.green
/ 65535.0;
97 output
[2] = col
.blue
/ 65535.0;
100 void status_bar(frontend
*fe
, char *text
)
104 assert(fe
->statusbar
);
106 rewritten
= midend_rewrite_statusbar(fe
->me
, text
);
107 if (!fe
->laststatus
|| strcmp(rewritten
, fe
->laststatus
)) {
108 gtk_statusbar_pop(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
);
109 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
, rewritten
);
110 sfree(fe
->laststatus
);
111 fe
->laststatus
= rewritten
;
117 void start_draw(frontend
*fe
)
119 fe
->gc
= gdk_gc_new(fe
->area
->window
);
126 void clip(frontend
*fe
, int x
, int y
, int w
, int h
)
135 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
138 void unclip(frontend
*fe
)
147 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
150 void draw_text(frontend
*fe
, int x
, int y
, int fonttype
, int fontsize
,
151 int align
, int colour
, char *text
)
156 * Find or create the font.
158 for (i
= 0; i
< fe
->nfonts
; i
++)
159 if (fe
->fonts
[i
].type
== fonttype
&& fe
->fonts
[i
].size
== fontsize
)
162 if (i
== fe
->nfonts
) {
163 if (fe
->fontsize
<= fe
->nfonts
) {
164 fe
->fontsize
= fe
->nfonts
+ 10;
165 fe
->fonts
= sresize(fe
->fonts
, fe
->fontsize
, struct font
);
170 fe
->fonts
[i
].type
= fonttype
;
171 fe
->fonts
[i
].size
= fontsize
;
173 #if GTK_CHECK_VERSION(2,0,0)
175 * Use Pango to find the closest match to the requested
179 PangoFontDescription
*fd
;
181 fd
= pango_font_description_new();
182 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
183 pango_font_description_set_family(fd
, fonttype
== FONT_FIXED ?
184 "Monospace" : "Sans");
185 pango_font_description_set_weight(fd
, PANGO_WEIGHT_BOLD
);
187 * I found some online Pango documentation which
188 * described a function called
189 * pango_font_description_set_absolute_size(), which is
190 * _exactly_ what I want here. Unfortunately, none of
191 * my local Pango installations have it (presumably
192 * they're too old), so I'm going to have to hack round
193 * it by figuring out the point size myself. This
194 * limits me to X and probably also breaks in later
195 * Pango installations, so ideally I should add another
196 * CHECK_VERSION type ifdef and use set_absolute_size
197 * where available. All very annoying.
199 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
200 pango_font_description_set_absolute_size(fd
, PANGO_SCALE
*fontsize
);
203 Display
*d
= GDK_DISPLAY();
204 int s
= DefaultScreen(d
);
206 (PANGO_SCALE
* 72.27 / 25.4) *
207 ((double) DisplayWidthMM(d
, s
) / DisplayWidth (d
, s
));
208 pango_font_description_set_size(fd
, resolution
* fontsize
);
211 fe
->fonts
[i
].font
= gdk_font_from_description(fd
);
212 pango_font_description_free(fd
);
215 if (!fe
->fonts
[i
].font
)
218 * In GTK 1.2, I don't know of any plausible way to
219 * pick a suitable font, so I'm just going to be
222 * This is also fallback code called if the Pango
223 * approach fails to find an appropriate font.
225 fe
->fonts
[i
].font
= gdk_font_load(fonttype
== FONT_FIXED ?
226 "fixed" : "variable");
230 * Find string dimensions and process alignment.
233 int lb
, rb
, wid
, asc
, desc
;
236 * Measure vertical string extents with respect to the same
239 gdk_string_extents(fe
->fonts
[i
].font
,
240 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
241 &lb
, &rb
, &wid
, &asc
, &desc
);
242 if (align
& ALIGN_VCENTRE
)
243 y
+= asc
- (asc
+desc
)/2;
246 * ... but horizontal extents with respect to the provided
247 * string. This means that multiple pieces of text centred
248 * on the same y-coordinate don't have different baselines.
250 gdk_string_extents(fe
->fonts
[i
].font
, text
,
251 &lb
, &rb
, &wid
, &asc
, &desc
);
253 if (align
& ALIGN_HCENTRE
)
255 else if (align
& ALIGN_HRIGHT
)
261 * Set colour and actually draw text.
263 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
264 gdk_draw_string(fe
->pixmap
, fe
->fonts
[i
].font
, fe
->gc
, x
, y
, text
);
267 void draw_rect(frontend
*fe
, int x
, int y
, int w
, int h
, int colour
)
269 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
270 gdk_draw_rectangle(fe
->pixmap
, fe
->gc
, 1, x
, y
, w
, h
);
273 void draw_line(frontend
*fe
, int x1
, int y1
, int x2
, int y2
, int colour
)
275 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
276 gdk_draw_line(fe
->pixmap
, fe
->gc
, x1
, y1
, x2
, y2
);
279 void draw_polygon(frontend
*fe
, int *coords
, int npoints
,
280 int fill
, int colour
)
282 GdkPoint
*points
= snewn(npoints
, GdkPoint
);
285 for (i
= 0; i
< npoints
; i
++) {
286 points
[i
].x
= coords
[i
*2];
287 points
[i
].y
= coords
[i
*2+1];
290 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
291 gdk_draw_polygon(fe
->pixmap
, fe
->gc
, fill
, points
, npoints
);
296 void draw_update(frontend
*fe
, int x
, int y
, int w
, int h
)
298 if (fe
->bbox_l
> x
) fe
->bbox_l
= x
;
299 if (fe
->bbox_r
< x
+w
) fe
->bbox_r
= x
+w
;
300 if (fe
->bbox_u
> y
) fe
->bbox_u
= y
;
301 if (fe
->bbox_d
< y
+h
) fe
->bbox_d
= y
+h
;
304 void end_draw(frontend
*fe
)
306 gdk_gc_unref(fe
->gc
);
309 if (fe
->bbox_l
< fe
->bbox_r
&& fe
->bbox_u
< fe
->bbox_d
) {
310 gdk_draw_pixmap(fe
->area
->window
,
311 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
313 fe
->bbox_l
, fe
->bbox_u
,
314 fe
->bbox_l
, fe
->bbox_u
,
315 fe
->bbox_r
- fe
->bbox_l
, fe
->bbox_d
- fe
->bbox_u
);
319 static void destroy(GtkWidget
*widget
, gpointer data
)
321 frontend
*fe
= (frontend
*)data
;
322 deactivate_timer(fe
);
326 static gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
328 frontend
*fe
= (frontend
*)data
;
330 int shift
= (event
->state
& GDK_SHIFT_MASK
) ? MOD_SHFT
: 0;
331 int ctrl
= (event
->state
& GDK_CONTROL_MASK
) ? MOD_CTRL
: 0;
336 if (event
->keyval
== GDK_Up
)
337 keyval
= shift
| ctrl
| CURSOR_UP
;
338 else if (event
->keyval
== GDK_KP_Up
|| event
->keyval
== GDK_KP_8
)
339 keyval
= MOD_NUM_KEYPAD
| '8';
340 else if (event
->keyval
== GDK_Down
)
341 keyval
= shift
| ctrl
| CURSOR_DOWN
;
342 else if (event
->keyval
== GDK_KP_Down
|| event
->keyval
== GDK_KP_2
)
343 keyval
= MOD_NUM_KEYPAD
| '2';
344 else if (event
->keyval
== GDK_Left
)
345 keyval
= shift
| ctrl
| CURSOR_LEFT
;
346 else if (event
->keyval
== GDK_KP_Left
|| event
->keyval
== GDK_KP_4
)
347 keyval
= MOD_NUM_KEYPAD
| '4';
348 else if (event
->keyval
== GDK_Right
)
349 keyval
= shift
| ctrl
| CURSOR_RIGHT
;
350 else if (event
->keyval
== GDK_KP_Right
|| event
->keyval
== GDK_KP_6
)
351 keyval
= MOD_NUM_KEYPAD
| '6';
352 else if (event
->keyval
== GDK_KP_Home
|| event
->keyval
== GDK_KP_7
)
353 keyval
= MOD_NUM_KEYPAD
| '7';
354 else if (event
->keyval
== GDK_KP_End
|| event
->keyval
== GDK_KP_1
)
355 keyval
= MOD_NUM_KEYPAD
| '1';
356 else if (event
->keyval
== GDK_KP_Page_Up
|| event
->keyval
== GDK_KP_9
)
357 keyval
= MOD_NUM_KEYPAD
| '9';
358 else if (event
->keyval
== GDK_KP_Page_Down
|| event
->keyval
== GDK_KP_3
)
359 keyval
= MOD_NUM_KEYPAD
| '3';
360 else if (event
->keyval
== GDK_KP_Insert
|| event
->keyval
== GDK_KP_0
)
361 keyval
= MOD_NUM_KEYPAD
| '0';
362 else if (event
->keyval
== GDK_KP_Begin
|| event
->keyval
== GDK_KP_5
)
363 keyval
= MOD_NUM_KEYPAD
| '5';
364 else if (event
->string
[0] && !event
->string
[1])
365 keyval
= (unsigned char)event
->string
[0];
370 !midend_process_key(fe
->me
, 0, 0, keyval
))
371 gtk_widget_destroy(fe
->window
);
376 static gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
,
379 frontend
*fe
= (frontend
*)data
;
385 if (event
->type
!= GDK_BUTTON_PRESS
&& event
->type
!= GDK_BUTTON_RELEASE
)
388 if (event
->button
== 2 || (event
->state
& GDK_SHIFT_MASK
))
389 button
= MIDDLE_BUTTON
;
390 else if (event
->button
== 1)
391 button
= LEFT_BUTTON
;
392 else if (event
->button
== 3)
393 button
= RIGHT_BUTTON
;
395 return FALSE
; /* don't even know what button! */
397 if (event
->type
== GDK_BUTTON_RELEASE
)
398 button
+= LEFT_RELEASE
- LEFT_BUTTON
;
400 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
401 gtk_widget_destroy(fe
->window
);
406 static gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
,
409 frontend
*fe
= (frontend
*)data
;
415 if (event
->state
& (GDK_BUTTON2_MASK
| GDK_SHIFT_MASK
))
416 button
= MIDDLE_DRAG
;
417 else if (event
->state
& GDK_BUTTON1_MASK
)
419 else if (event
->state
& GDK_BUTTON3_MASK
)
422 return FALSE
; /* don't even know what button! */
424 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
425 gtk_widget_destroy(fe
->window
);
430 static gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
,
433 frontend
*fe
= (frontend
*)data
;
436 gdk_draw_pixmap(widget
->window
,
437 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
439 event
->area
.x
, event
->area
.y
,
440 event
->area
.x
, event
->area
.y
,
441 event
->area
.width
, event
->area
.height
);
446 static gint
map_window(GtkWidget
*widget
, GdkEvent
*event
,
449 frontend
*fe
= (frontend
*)data
;
452 * Apparently we need to do this because otherwise the status
453 * bar will fail to update immediately. Annoying, but there we
456 gtk_widget_queue_draw(fe
->window
);
461 static gint
configure_area(GtkWidget
*widget
,
462 GdkEventConfigure
*event
, gpointer data
)
464 frontend
*fe
= (frontend
*)data
;
468 gdk_pixmap_unref(fe
->pixmap
);
470 fe
->pixmap
= gdk_pixmap_new(widget
->window
, fe
->w
, fe
->h
, -1);
472 gc
= gdk_gc_new(fe
->area
->window
);
473 gdk_gc_set_foreground(gc
, &fe
->colours
[0]);
474 gdk_draw_rectangle(fe
->pixmap
, gc
, 1, 0, 0, fe
->w
, fe
->h
);
477 midend_force_redraw(fe
->me
);
482 static gint
timer_func(gpointer data
)
484 frontend
*fe
= (frontend
*)data
;
486 if (fe
->timer_active
) {
489 gettimeofday(&now
, NULL
);
490 elapsed
= ((now
.tv_usec
- fe
->last_time
.tv_usec
) * 0.000001F
+
491 (now
.tv_sec
- fe
->last_time
.tv_sec
));
492 midend_timer(fe
->me
, elapsed
); /* may clear timer_active */
496 return fe
->timer_active
;
499 void deactivate_timer(frontend
*fe
)
501 if (fe
->timer_active
)
502 gtk_timeout_remove(fe
->timer_id
);
503 fe
->timer_active
= FALSE
;
506 void activate_timer(frontend
*fe
)
508 if (!fe
->timer_active
) {
509 fe
->timer_id
= gtk_timeout_add(20, timer_func
, fe
);
510 gettimeofday(&fe
->last_time
, NULL
);
512 fe
->timer_active
= TRUE
;
515 static void window_destroy(GtkWidget
*widget
, gpointer data
)
520 static void errmsg_button_clicked(GtkButton
*button
, gpointer data
)
522 gtk_widget_destroy(GTK_WIDGET(data
));
525 static int win_key_press(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
527 GtkObject
*cancelbutton
= GTK_OBJECT(data
);
530 * `Escape' effectively clicks the cancel button
532 if (event
->keyval
== GDK_Escape
) {
533 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton
), "clicked");
540 void message_box(GtkWidget
*parent
, char *title
, char *msg
, int centre
)
542 GtkWidget
*window
, *hbox
, *text
, *ok
;
544 window
= gtk_dialog_new();
545 text
= gtk_label_new(msg
);
546 gtk_misc_set_alignment(GTK_MISC(text
), 0.0, 0.0);
547 hbox
= gtk_hbox_new(FALSE
, 0);
548 gtk_box_pack_start(GTK_BOX(hbox
), text
, FALSE
, FALSE
, 20);
549 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window
)->vbox
),
550 hbox
, FALSE
, FALSE
, 20);
551 gtk_widget_show(text
);
552 gtk_widget_show(hbox
);
553 gtk_window_set_title(GTK_WINDOW(window
), title
);
554 gtk_label_set_line_wrap(GTK_LABEL(text
), TRUE
);
555 ok
= gtk_button_new_with_label("OK");
556 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window
)->action_area
),
557 ok
, FALSE
, FALSE
, 0);
559 GTK_WIDGET_SET_FLAGS(ok
, GTK_CAN_DEFAULT
);
560 gtk_window_set_default(GTK_WINDOW(window
), ok
);
561 gtk_signal_connect(GTK_OBJECT(ok
), "clicked",
562 GTK_SIGNAL_FUNC(errmsg_button_clicked
), window
);
563 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
564 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
565 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
566 GTK_SIGNAL_FUNC(win_key_press
), ok
);
567 gtk_window_set_modal(GTK_WINDOW(window
), TRUE
);
568 gtk_window_set_transient_for(GTK_WINDOW(window
), GTK_WINDOW(parent
));
569 //set_transient_window_pos(parent, window);
570 gtk_widget_show(window
);
574 void error_box(GtkWidget
*parent
, char *msg
)
576 message_box(parent
, "Error", msg
, FALSE
);
579 static void config_ok_button_clicked(GtkButton
*button
, gpointer data
)
581 frontend
*fe
= (frontend
*)data
;
584 err
= midend_set_config(fe
->me
, fe
->cfg_which
, fe
->cfg
);
587 error_box(fe
->cfgbox
, err
);
590 gtk_widget_destroy(fe
->cfgbox
);
594 static void config_cancel_button_clicked(GtkButton
*button
, gpointer data
)
596 frontend
*fe
= (frontend
*)data
;
598 gtk_widget_destroy(fe
->cfgbox
);
601 static int editbox_key(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
604 * GtkEntry has a nasty habit of eating the Return key, which
605 * is unhelpful since it doesn't actually _do_ anything with it
606 * (it calls gtk_widget_activate, but our edit boxes never need
607 * activating). So I catch Return before GtkEntry sees it, and
608 * pass it straight on to the parent widget. Effect: hitting
609 * Return in an edit box will now activate the default button
610 * in the dialog just like it will everywhere else.
612 if (event
->keyval
== GDK_Return
&& widget
->parent
!= NULL
) {
614 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget
), "key_press_event");
615 gtk_signal_emit_by_name(GTK_OBJECT(widget
->parent
), "key_press_event",
622 static void editbox_changed(GtkEditable
*ed
, gpointer data
)
624 config_item
*i
= (config_item
*)data
;
627 i
->sval
= dupstr(gtk_entry_get_text(GTK_ENTRY(ed
)));
630 static void button_toggled(GtkToggleButton
*tb
, gpointer data
)
632 config_item
*i
= (config_item
*)data
;
634 i
->ival
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb
));
637 static void droplist_sel(GtkMenuItem
*item
, gpointer data
)
639 config_item
*i
= (config_item
*)data
;
641 i
->ival
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
645 static int get_config(frontend
*fe
, int which
)
647 GtkWidget
*w
, *table
, *cancel
;
652 fe
->cfg
= midend_get_config(fe
->me
, which
, &title
);
653 fe
->cfg_which
= which
;
656 fe
->cfgbox
= gtk_dialog_new();
657 gtk_window_set_title(GTK_WINDOW(fe
->cfgbox
), title
);
660 w
= gtk_button_new_with_label("OK");
661 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
664 GTK_WIDGET_SET_FLAGS(w
, GTK_CAN_DEFAULT
);
665 gtk_window_set_default(GTK_WINDOW(fe
->cfgbox
), w
);
666 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
667 GTK_SIGNAL_FUNC(config_ok_button_clicked
), fe
);
669 w
= gtk_button_new_with_label("Cancel");
670 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
673 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
674 GTK_SIGNAL_FUNC(config_cancel_button_clicked
), fe
);
677 table
= gtk_table_new(1, 2, FALSE
);
679 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->vbox
),
680 table
, FALSE
, FALSE
, 0);
681 gtk_widget_show(table
);
683 for (i
= fe
->cfg
; i
->type
!= C_END
; i
++) {
684 gtk_table_resize(GTK_TABLE(table
), y
+1, 2);
689 * Edit box with a label beside it.
692 w
= gtk_label_new(i
->name
);
693 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
694 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
695 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
696 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
701 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
702 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
703 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
705 gtk_entry_set_text(GTK_ENTRY(w
), i
->sval
);
706 gtk_signal_connect(GTK_OBJECT(w
), "changed",
707 GTK_SIGNAL_FUNC(editbox_changed
), i
);
708 gtk_signal_connect(GTK_OBJECT(w
), "key_press_event",
709 GTK_SIGNAL_FUNC(editbox_key
), NULL
);
718 w
= gtk_check_button_new_with_label(i
->name
);
719 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
720 GTK_SIGNAL_FUNC(button_toggled
), i
);
721 gtk_table_attach(GTK_TABLE(table
), w
, 0, 2, y
, y
+1,
722 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
723 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
725 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w
), i
->ival
);
731 * Drop-down list (GtkOptionMenu).
734 w
= gtk_label_new(i
->name
);
735 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
736 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
737 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
738 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
742 w
= gtk_option_menu_new();
743 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
744 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
745 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
753 GtkWidget
*menu
= gtk_menu_new();
755 gtk_option_menu_set_menu(GTK_OPTION_MENU(w
), menu
);
763 while (*q
&& *q
!= c
)
766 name
= snewn(q
-p
+1, char);
767 strncpy(name
, p
, q
-p
);
770 if (*q
) q
++; /* eat delimiter */
772 menuitem
= gtk_menu_item_new_with_label(name
);
773 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
774 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
775 GINT_TO_POINTER(val
));
776 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
777 GTK_SIGNAL_FUNC(droplist_sel
), i
);
778 gtk_widget_show(menuitem
);
785 gtk_option_menu_set_history(GTK_OPTION_MENU(w
), i
->ival
);
794 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "destroy",
795 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
796 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "key_press_event",
797 GTK_SIGNAL_FUNC(win_key_press
), cancel
);
798 gtk_window_set_modal(GTK_WINDOW(fe
->cfgbox
), TRUE
);
799 gtk_window_set_transient_for(GTK_WINDOW(fe
->cfgbox
),
800 GTK_WINDOW(fe
->window
));
801 //set_transient_window_pos(fe->window, fe->cfgbox);
802 gtk_widget_show(fe
->cfgbox
);
810 static void menu_key_event(GtkMenuItem
*menuitem
, gpointer data
)
812 frontend
*fe
= (frontend
*)data
;
813 int key
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
815 if (!midend_process_key(fe
->me
, 0, 0, key
))
816 gtk_widget_destroy(fe
->window
);
819 static void menu_preset_event(GtkMenuItem
*menuitem
, gpointer data
)
821 frontend
*fe
= (frontend
*)data
;
822 game_params
*params
=
823 (game_params
*)gtk_object_get_data(GTK_OBJECT(menuitem
), "user-data");
826 midend_set_params(fe
->me
, params
);
827 midend_new_game(fe
->me
);
828 midend_size(fe
->me
, &x
, &y
);
829 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
834 GdkAtom compound_text_atom
, utf8_string_atom
;
835 int paste_initialised
= FALSE
;
839 if (paste_initialised
)
842 if (!compound_text_atom
)
843 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
844 if (!utf8_string_atom
)
845 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
848 * Ensure that all the cut buffers exist - according to the
849 * ICCCM, we must do this before we start using cut buffers.
851 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
852 XA_CUT_BUFFER0
, XA_STRING
, 8, PropModeAppend
, "", 0);
853 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
854 XA_CUT_BUFFER1
, XA_STRING
, 8, PropModeAppend
, "", 0);
855 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
856 XA_CUT_BUFFER2
, XA_STRING
, 8, PropModeAppend
, "", 0);
857 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
858 XA_CUT_BUFFER3
, XA_STRING
, 8, PropModeAppend
, "", 0);
859 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
860 XA_CUT_BUFFER4
, XA_STRING
, 8, PropModeAppend
, "", 0);
861 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
862 XA_CUT_BUFFER5
, XA_STRING
, 8, PropModeAppend
, "", 0);
863 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
864 XA_CUT_BUFFER6
, XA_STRING
, 8, PropModeAppend
, "", 0);
865 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
866 XA_CUT_BUFFER7
, XA_STRING
, 8, PropModeAppend
, "", 0);
869 /* Store data in a cut-buffer. */
870 void store_cutbuffer(char *ptr
, int len
)
872 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
873 XRotateBuffers(GDK_DISPLAY(), 1);
874 XStoreBytes(GDK_DISPLAY(), ptr
, len
);
877 void write_clip(frontend
*fe
, char *data
)
882 sfree(fe
->paste_data
);
885 * For this simple application we can safely assume that the
886 * data passed to this function is pure ASCII, which means we
887 * can return precisely the same stuff for types STRING,
888 * COMPOUND_TEXT or UTF8_STRING.
891 fe
->paste_data
= data
;
892 fe
->paste_data_len
= strlen(data
);
894 store_cutbuffer(fe
->paste_data
, fe
->paste_data_len
);
896 if (gtk_selection_owner_set(fe
->area
, GDK_SELECTION_PRIMARY
,
898 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
899 GDK_SELECTION_TYPE_STRING
, 1);
900 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
901 compound_text_atom
, 1);
902 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
903 utf8_string_atom
, 1);
907 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
908 guint info
, guint time_stamp
, gpointer data
)
910 frontend
*fe
= (frontend
*)data
;
911 gtk_selection_data_set(seldata
, seldata
->target
, 8,
912 fe
->paste_data
, fe
->paste_data_len
);
915 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
918 frontend
*fe
= (frontend
*)data
;
921 sfree(fe
->paste_data
);
922 fe
->paste_data
= NULL
;
923 fe
->paste_data_len
= 0;
927 static void menu_copy_event(GtkMenuItem
*menuitem
, gpointer data
)
929 frontend
*fe
= (frontend
*)data
;
932 text
= midend_text_format(fe
->me
);
935 write_clip(fe
, text
);
941 static void menu_solve_event(GtkMenuItem
*menuitem
, gpointer data
)
943 frontend
*fe
= (frontend
*)data
;
946 msg
= midend_solve(fe
->me
);
949 error_box(fe
->window
, msg
);
952 static void menu_restart_event(GtkMenuItem
*menuitem
, gpointer data
)
954 frontend
*fe
= (frontend
*)data
;
956 midend_restart_game(fe
->me
);
959 static void menu_config_event(GtkMenuItem
*menuitem
, gpointer data
)
961 frontend
*fe
= (frontend
*)data
;
962 int which
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
966 if (!get_config(fe
, which
))
969 midend_new_game(fe
->me
);
970 midend_size(fe
->me
, &x
, &y
);
971 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
976 static void menu_about_event(GtkMenuItem
*menuitem
, gpointer data
)
978 frontend
*fe
= (frontend
*)data
;
982 sprintf(titlebuf
, "About %.200s", thegame
.name
);
985 "from Simon Tatham's Portable Puzzle Collection\n\n"
986 "%.500s", thegame
.name
, ver
);
988 message_box(fe
->window
, titlebuf
, textbuf
, TRUE
);
991 static GtkWidget
*add_menu_item_with_key(frontend
*fe
, GtkContainer
*cont
,
994 GtkWidget
*menuitem
= gtk_menu_item_new_with_label(text
);
995 gtk_container_add(cont
, menuitem
);
996 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
997 GINT_TO_POINTER(key
));
998 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
999 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
1000 gtk_widget_show(menuitem
);
1004 static void add_menu_separator(GtkContainer
*cont
)
1006 GtkWidget
*menuitem
= gtk_menu_item_new();
1007 gtk_container_add(cont
, menuitem
);
1008 gtk_widget_show(menuitem
);
1011 static frontend
*new_window(char *game_id
, char **error
)
1015 GtkWidget
*menubar
, *menu
, *menuitem
;
1018 fe
= snew(frontend
);
1020 fe
->timer_active
= FALSE
;
1023 fe
->me
= midend_new(fe
, &thegame
);
1026 *error
= midend_game_id(fe
->me
, game_id
);
1028 midend_free(fe
->me
);
1033 midend_new_game(fe
->me
);
1035 fe
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1036 gtk_window_set_title(GTK_WINDOW(fe
->window
), thegame
.name
);
1038 gtk_window_set_resizable(GTK_WINDOW(fe
->window
), FALSE
);
1040 gtk_window_set_policy(GTK_WINDOW(fe
->window
), FALSE
, FALSE
, TRUE
);
1042 vbox
= GTK_BOX(gtk_vbox_new(FALSE
, 0));
1043 gtk_container_add(GTK_CONTAINER(fe
->window
), GTK_WIDGET(vbox
));
1044 gtk_widget_show(GTK_WIDGET(vbox
));
1046 menubar
= gtk_menu_bar_new();
1047 gtk_box_pack_start(vbox
, menubar
, FALSE
, FALSE
, 0);
1048 gtk_widget_show(menubar
);
1050 menuitem
= gtk_menu_item_new_with_label("Game");
1051 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1052 gtk_widget_show(menuitem
);
1054 menu
= gtk_menu_new();
1055 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1057 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "New", 'n');
1059 menuitem
= gtk_menu_item_new_with_label("Restart");
1060 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1061 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1062 GTK_SIGNAL_FUNC(menu_restart_event
), fe
);
1063 gtk_widget_show(menuitem
);
1065 menuitem
= gtk_menu_item_new_with_label("Specific...");
1066 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1067 GINT_TO_POINTER(CFG_DESC
));
1068 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1069 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1070 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1071 gtk_widget_show(menuitem
);
1073 menuitem
= gtk_menu_item_new_with_label("Random Seed...");
1074 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1075 GINT_TO_POINTER(CFG_SEED
));
1076 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1077 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1078 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1079 gtk_widget_show(menuitem
);
1081 if ((n
= midend_num_presets(fe
->me
)) > 0 || thegame
.can_configure
) {
1085 menuitem
= gtk_menu_item_new_with_label("Type");
1086 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1087 gtk_widget_show(menuitem
);
1089 submenu
= gtk_menu_new();
1090 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), submenu
);
1092 for (i
= 0; i
< n
; i
++) {
1094 game_params
*params
;
1096 midend_fetch_preset(fe
->me
, i
, &name
, ¶ms
);
1098 menuitem
= gtk_menu_item_new_with_label(name
);
1099 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1100 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data", params
);
1101 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1102 GTK_SIGNAL_FUNC(menu_preset_event
), fe
);
1103 gtk_widget_show(menuitem
);
1106 if (thegame
.can_configure
) {
1107 menuitem
= gtk_menu_item_new_with_label("Custom...");
1108 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1109 GPOINTER_TO_INT(CFG_SETTINGS
));
1110 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1111 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1112 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1113 gtk_widget_show(menuitem
);
1117 add_menu_separator(GTK_CONTAINER(menu
));
1118 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Undo", 'u');
1119 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Redo", '\x12');
1120 if (thegame
.can_format_as_text
) {
1121 add_menu_separator(GTK_CONTAINER(menu
));
1122 menuitem
= gtk_menu_item_new_with_label("Copy");
1123 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1124 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1125 GTK_SIGNAL_FUNC(menu_copy_event
), fe
);
1126 gtk_widget_show(menuitem
);
1128 if (thegame
.can_solve
) {
1129 add_menu_separator(GTK_CONTAINER(menu
));
1130 menuitem
= gtk_menu_item_new_with_label("Solve");
1131 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1132 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1133 GTK_SIGNAL_FUNC(menu_solve_event
), fe
);
1134 gtk_widget_show(menuitem
);
1136 add_menu_separator(GTK_CONTAINER(menu
));
1137 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Exit", 'q');
1139 menuitem
= gtk_menu_item_new_with_label("Help");
1140 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1141 gtk_widget_show(menuitem
);
1143 menu
= gtk_menu_new();
1144 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1146 menuitem
= gtk_menu_item_new_with_label("About");
1147 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1148 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1149 GTK_SIGNAL_FUNC(menu_about_event
), fe
);
1150 gtk_widget_show(menuitem
);
1157 fe
->colmap
= gdk_colormap_get_system();
1158 colours
= midend_colours(fe
->me
, &ncolours
);
1159 fe
->ncolours
= ncolours
;
1160 fe
->colours
= snewn(ncolours
, GdkColor
);
1161 for (i
= 0; i
< ncolours
; i
++) {
1162 fe
->colours
[i
].red
= colours
[i
*3] * 0xFFFF;
1163 fe
->colours
[i
].green
= colours
[i
*3+1] * 0xFFFF;
1164 fe
->colours
[i
].blue
= colours
[i
*3+2] * 0xFFFF;
1166 success
= snewn(ncolours
, gboolean
);
1167 gdk_colormap_alloc_colors(fe
->colmap
, fe
->colours
, ncolours
,
1168 FALSE
, FALSE
, success
);
1169 for (i
= 0; i
< ncolours
; i
++) {
1171 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1172 i
, fe
->colours
[i
].red
>> 8,
1173 fe
->colours
[i
].green
>> 8,
1174 fe
->colours
[i
].blue
>> 8);
1178 if (midend_wants_statusbar(fe
->me
)) {
1179 GtkWidget
*viewport
;
1182 viewport
= gtk_viewport_new(NULL
, NULL
);
1183 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport
), GTK_SHADOW_NONE
);
1184 fe
->statusbar
= gtk_statusbar_new();
1185 gtk_container_add(GTK_CONTAINER(viewport
), fe
->statusbar
);
1186 gtk_widget_show(viewport
);
1187 gtk_box_pack_end(vbox
, viewport
, FALSE
, FALSE
, 0);
1188 gtk_widget_show(fe
->statusbar
);
1189 fe
->statusctx
= gtk_statusbar_get_context_id
1190 (GTK_STATUSBAR(fe
->statusbar
), "game");
1191 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
,
1193 gtk_widget_size_request(fe
->statusbar
, &req
);
1195 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1197 gtk_widget_set_usize(viewport
, -1, req
.height
);
1199 fe
->statusbar
= NULL
;
1201 fe
->area
= gtk_drawing_area_new();
1202 midend_size(fe
->me
, &x
, &y
);
1203 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1207 gtk_box_pack_end(vbox
, fe
->area
, FALSE
, FALSE
, 0);
1211 fe
->nfonts
= fe
->fontsize
= 0;
1213 fe
->laststatus
= NULL
;
1215 fe
->paste_data
= NULL
;
1216 fe
->paste_data_len
= 0;
1218 gtk_signal_connect(GTK_OBJECT(fe
->window
), "destroy",
1219 GTK_SIGNAL_FUNC(destroy
), fe
);
1220 gtk_signal_connect(GTK_OBJECT(fe
->window
), "key_press_event",
1221 GTK_SIGNAL_FUNC(key_event
), fe
);
1222 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_press_event",
1223 GTK_SIGNAL_FUNC(button_event
), fe
);
1224 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_release_event",
1225 GTK_SIGNAL_FUNC(button_event
), fe
);
1226 gtk_signal_connect(GTK_OBJECT(fe
->area
), "motion_notify_event",
1227 GTK_SIGNAL_FUNC(motion_event
), fe
);
1228 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_get",
1229 GTK_SIGNAL_FUNC(selection_get
), fe
);
1230 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_clear_event",
1231 GTK_SIGNAL_FUNC(selection_clear
), fe
);
1232 gtk_signal_connect(GTK_OBJECT(fe
->area
), "expose_event",
1233 GTK_SIGNAL_FUNC(expose_area
), fe
);
1234 gtk_signal_connect(GTK_OBJECT(fe
->window
), "map_event",
1235 GTK_SIGNAL_FUNC(map_window
), fe
);
1236 gtk_signal_connect(GTK_OBJECT(fe
->area
), "configure_event",
1237 GTK_SIGNAL_FUNC(configure_area
), fe
);
1239 gtk_widget_add_events(GTK_WIDGET(fe
->area
),
1240 GDK_BUTTON_PRESS_MASK
|
1241 GDK_BUTTON_RELEASE_MASK
|
1242 GDK_BUTTON_MOTION_MASK
);
1244 gtk_widget_show(fe
->area
);
1245 gtk_widget_show(fe
->window
);
1250 int main(int argc
, char **argv
)
1252 char *pname
= argv
[0];
1255 if (argc
> 1 && !strcmp(argv
[1], "--version")) {
1256 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1262 * Special standalone mode for generating puzzle IDs on the
1263 * command line. Useful for generating puzzles to be printed
1264 * out and solved offline (for puzzles where that even makes
1265 * sense - Solo, for example, is a lot more pencil-and-paper
1266 * friendly than Net!)
1270 * <puzzle-name> --generate [<n> [<params>]]
1272 * <n>, if present, is the number of puzzle IDs to generate.
1273 * <params>, if present, is the same type of parameter string
1274 * you would pass to the puzzle when running it in GUI mode,
1275 * including optional extras such as the expansion factor in
1276 * Rectangles and the difficulty level in Solo.
1278 * If you specify <params>, you must also specify <n> (although
1279 * you may specify it to be 1). Sorry; that was the
1280 * simplest-to-parse command-line syntax I came up with.
1282 if (argc
> 1 && !strcmp(argv
[1], "--generate")) {
1284 char *params
= NULL
, *seed
= NULL
;
1294 par
= thegame
.default_params();
1296 if ( (seed
= strchr(params
, '#')) != NULL
)
1298 thegame
.decode_params(par
, params
);
1300 if ((error
= thegame
.validate_params(par
)) != NULL
) {
1301 fprintf(stderr
, "%s: %s\n", pname
, error
);
1304 parstr
= thegame
.encode_params(par
, FALSE
);
1311 seedlen
= strlen(seed
);
1313 get_random_seed(&seeddata
, &seedlen
);
1315 rs
= random_init(seeddata
, seedlen
);
1319 game_aux_info
*aux
= NULL
;
1320 char *desc
= thegame
.new_desc(par
, rs
, &aux
, FALSE
);
1321 printf("%s:%s\n", parstr
, desc
);
1324 thegame
.free_aux_info(aux
);
1330 gtk_init(&argc
, &argv
);
1332 if (!new_window(argc
> 1 ? argv
[1] : NULL
, &error
)) {
1333 fprintf(stderr
, "%s: %s\n", pname
, error
);