2 * gtk.c: GTK front end for my puzzle collection.
15 #include <gdk/gdkkeysyms.h>
17 #if GTK_CHECK_VERSION(2,0,0) && !defined HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
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
;
81 void get_random_seed(void **randseed
, int *randseedsize
)
83 time_t *tp
= snew(time_t);
85 *randseed
= (void *)tp
;
86 *randseedsize
= sizeof(time_t);
89 void frontend_default_colour(frontend
*fe
, float *output
)
91 GdkColor col
= fe
->window
->style
->bg
[GTK_STATE_NORMAL
];
92 output
[0] = col
.red
/ 65535.0;
93 output
[1] = col
.green
/ 65535.0;
94 output
[2] = col
.blue
/ 65535.0;
97 void status_bar(frontend
*fe
, char *text
)
99 assert(fe
->statusbar
);
101 gtk_statusbar_pop(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
);
102 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
, text
);
105 void start_draw(frontend
*fe
)
107 fe
->gc
= gdk_gc_new(fe
->area
->window
);
114 void clip(frontend
*fe
, int x
, int y
, int w
, int h
)
123 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
126 void unclip(frontend
*fe
)
135 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
138 void draw_text(frontend
*fe
, int x
, int y
, int fonttype
, int fontsize
,
139 int align
, int colour
, char *text
)
144 * Find or create the font.
146 for (i
= 0; i
< fe
->nfonts
; i
++)
147 if (fe
->fonts
[i
].type
== fonttype
&& fe
->fonts
[i
].size
== fontsize
)
150 if (i
== fe
->nfonts
) {
151 if (fe
->fontsize
<= fe
->nfonts
) {
152 fe
->fontsize
= fe
->nfonts
+ 10;
153 fe
->fonts
= sresize(fe
->fonts
, fe
->fontsize
, struct font
);
158 fe
->fonts
[i
].type
= fonttype
;
159 fe
->fonts
[i
].size
= fontsize
;
161 #if GTK_CHECK_VERSION(2,0,0)
163 * Use Pango to find the closest match to the requested
167 PangoFontDescription
*fd
;
169 fd
= pango_font_description_new();
170 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
171 pango_font_description_set_family(fd
, fonttype
== FONT_FIXED ?
172 "Monospace" : "Sans");
173 pango_font_description_set_weight(fd
, PANGO_WEIGHT_BOLD
);
175 * I found some online Pango documentation which
176 * described a function called
177 * pango_font_description_set_absolute_size(), which is
178 * _exactly_ what I want here. Unfortunately, none of
179 * my local Pango installations have it (presumably
180 * they're too old), so I'm going to have to hack round
181 * it by figuring out the point size myself. This
182 * limits me to X and probably also breaks in later
183 * Pango installations, so ideally I should add another
184 * CHECK_VERSION type ifdef and use set_absolute_size
185 * where available. All very annoying.
187 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
188 pango_font_description_set_absolute_size(fd
, PANGO_SCALE
*fontsize
);
191 Display
*d
= GDK_DISPLAY();
192 int s
= DefaultScreen(d
);
194 (PANGO_SCALE
* 72.27 / 25.4) *
195 ((double) DisplayWidthMM(d
, s
) / DisplayWidth (d
, s
));
196 pango_font_description_set_size(fd
, resolution
* fontsize
);
199 fe
->fonts
[i
].font
= gdk_font_from_description(fd
);
200 pango_font_description_free(fd
);
203 if (!fe
->fonts
[i
].font
)
206 * In GTK 1.2, I don't know of any plausible way to
207 * pick a suitable font, so I'm just going to be
210 * This is also fallback code called if the Pango
211 * approach fails to find an appropriate font.
213 fe
->fonts
[i
].font
= gdk_font_load(fonttype
== FONT_FIXED ?
214 "fixed" : "variable");
218 * Find string dimensions and process alignment.
221 int lb
, rb
, wid
, asc
, desc
;
224 * Measure vertical string extents with respect to the same
227 gdk_string_extents(fe
->fonts
[i
].font
,
228 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
229 &lb
, &rb
, &wid
, &asc
, &desc
);
230 if (align
& ALIGN_VCENTRE
)
231 y
+= asc
- (asc
+desc
)/2;
234 * ... but horizontal extents with respect to the provided
235 * string. This means that multiple pieces of text centred
236 * on the same y-coordinate don't have different baselines.
238 gdk_string_extents(fe
->fonts
[i
].font
, text
,
239 &lb
, &rb
, &wid
, &asc
, &desc
);
241 if (align
& ALIGN_HCENTRE
)
243 else if (align
& ALIGN_HRIGHT
)
249 * Set colour and actually draw text.
251 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
252 gdk_draw_string(fe
->pixmap
, fe
->fonts
[i
].font
, fe
->gc
, x
, y
, text
);
255 void draw_rect(frontend
*fe
, int x
, int y
, int w
, int h
, int colour
)
257 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
258 gdk_draw_rectangle(fe
->pixmap
, fe
->gc
, 1, x
, y
, w
, h
);
261 void draw_line(frontend
*fe
, int x1
, int y1
, int x2
, int y2
, int colour
)
263 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
264 gdk_draw_line(fe
->pixmap
, fe
->gc
, x1
, y1
, x2
, y2
);
267 void draw_polygon(frontend
*fe
, int *coords
, int npoints
,
268 int fill
, int colour
)
270 GdkPoint
*points
= snewn(npoints
, GdkPoint
);
273 for (i
= 0; i
< npoints
; i
++) {
274 points
[i
].x
= coords
[i
*2];
275 points
[i
].y
= coords
[i
*2+1];
278 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
279 gdk_draw_polygon(fe
->pixmap
, fe
->gc
, fill
, points
, npoints
);
284 void draw_update(frontend
*fe
, int x
, int y
, int w
, int h
)
286 if (fe
->bbox_l
> x
) fe
->bbox_l
= x
;
287 if (fe
->bbox_r
< x
+w
) fe
->bbox_r
= x
+w
;
288 if (fe
->bbox_u
> y
) fe
->bbox_u
= y
;
289 if (fe
->bbox_d
< y
+h
) fe
->bbox_d
= y
+h
;
292 void end_draw(frontend
*fe
)
294 gdk_gc_unref(fe
->gc
);
297 if (fe
->bbox_l
< fe
->bbox_r
&& fe
->bbox_u
< fe
->bbox_d
) {
298 gdk_draw_pixmap(fe
->area
->window
,
299 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
301 fe
->bbox_l
, fe
->bbox_u
,
302 fe
->bbox_l
, fe
->bbox_u
,
303 fe
->bbox_r
- fe
->bbox_l
, fe
->bbox_d
- fe
->bbox_u
);
307 static void destroy(GtkWidget
*widget
, gpointer data
)
309 frontend
*fe
= (frontend
*)data
;
310 deactivate_timer(fe
);
314 static gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
316 frontend
*fe
= (frontend
*)data
;
322 if (event
->string
[0] && !event
->string
[1])
323 keyval
= (unsigned char)event
->string
[0];
324 else if (event
->keyval
== GDK_Up
|| event
->keyval
== GDK_KP_Up
||
325 event
->keyval
== GDK_KP_8
)
327 else if (event
->keyval
== GDK_Down
|| event
->keyval
== GDK_KP_Down
||
328 event
->keyval
== GDK_KP_2
)
329 keyval
= CURSOR_DOWN
;
330 else if (event
->keyval
== GDK_Left
|| event
->keyval
== GDK_KP_Left
||
331 event
->keyval
== GDK_KP_4
)
332 keyval
= CURSOR_LEFT
;
333 else if (event
->keyval
== GDK_Right
|| event
->keyval
== GDK_KP_Right
||
334 event
->keyval
== GDK_KP_6
)
335 keyval
= CURSOR_RIGHT
;
336 else if (event
->keyval
== GDK_KP_Home
|| event
->keyval
== GDK_KP_7
)
337 keyval
= CURSOR_UP_LEFT
;
338 else if (event
->keyval
== GDK_KP_End
|| event
->keyval
== GDK_KP_1
)
339 keyval
= CURSOR_DOWN_LEFT
;
340 else if (event
->keyval
== GDK_KP_Page_Up
|| event
->keyval
== GDK_KP_9
)
341 keyval
= CURSOR_UP_RIGHT
;
342 else if (event
->keyval
== GDK_KP_Page_Down
|| event
->keyval
== GDK_KP_3
)
343 keyval
= CURSOR_DOWN_RIGHT
;
348 !midend_process_key(fe
->me
, 0, 0, keyval
))
349 gtk_widget_destroy(fe
->window
);
354 static gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
,
357 frontend
*fe
= (frontend
*)data
;
363 if (event
->type
!= GDK_BUTTON_PRESS
&& event
->type
!= GDK_BUTTON_RELEASE
)
366 if (event
->button
== 2 || (event
->state
& GDK_SHIFT_MASK
))
367 button
= MIDDLE_BUTTON
;
368 else if (event
->button
== 1)
369 button
= LEFT_BUTTON
;
370 else if (event
->button
== 3)
371 button
= RIGHT_BUTTON
;
373 return FALSE
; /* don't even know what button! */
375 if (event
->type
== GDK_BUTTON_RELEASE
)
376 button
+= LEFT_RELEASE
- LEFT_BUTTON
;
378 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
379 gtk_widget_destroy(fe
->window
);
384 static gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
,
387 frontend
*fe
= (frontend
*)data
;
393 if (event
->state
& (GDK_BUTTON2_MASK
| GDK_SHIFT_MASK
))
394 button
= MIDDLE_DRAG
;
395 else if (event
->state
& GDK_BUTTON1_MASK
)
397 else if (event
->state
& GDK_BUTTON3_MASK
)
400 return FALSE
; /* don't even know what button! */
402 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
403 gtk_widget_destroy(fe
->window
);
408 static gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
,
411 frontend
*fe
= (frontend
*)data
;
414 gdk_draw_pixmap(widget
->window
,
415 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
417 event
->area
.x
, event
->area
.y
,
418 event
->area
.x
, event
->area
.y
,
419 event
->area
.width
, event
->area
.height
);
424 static gint
map_window(GtkWidget
*widget
, GdkEvent
*event
,
427 frontend
*fe
= (frontend
*)data
;
430 * Apparently we need to do this because otherwise the status
431 * bar will fail to update immediately. Annoying, but there we
434 gtk_widget_queue_draw(fe
->window
);
439 static gint
configure_area(GtkWidget
*widget
,
440 GdkEventConfigure
*event
, gpointer data
)
442 frontend
*fe
= (frontend
*)data
;
446 gdk_pixmap_unref(fe
->pixmap
);
448 fe
->pixmap
= gdk_pixmap_new(widget
->window
, fe
->w
, fe
->h
, -1);
450 gc
= gdk_gc_new(fe
->area
->window
);
451 gdk_gc_set_foreground(gc
, &fe
->colours
[0]);
452 gdk_draw_rectangle(fe
->pixmap
, gc
, 1, 0, 0, fe
->w
, fe
->h
);
455 midend_redraw(fe
->me
);
460 static gint
timer_func(gpointer data
)
462 frontend
*fe
= (frontend
*)data
;
464 if (fe
->timer_active
) {
467 gettimeofday(&now
, NULL
);
468 elapsed
= ((now
.tv_usec
- fe
->last_time
.tv_usec
) * 0.000001F
+
469 (now
.tv_sec
- fe
->last_time
.tv_sec
));
470 midend_timer(fe
->me
, elapsed
); /* may clear timer_active */
474 return fe
->timer_active
;
477 void deactivate_timer(frontend
*fe
)
479 if (fe
->timer_active
)
480 gtk_timeout_remove(fe
->timer_id
);
481 fe
->timer_active
= FALSE
;
484 void activate_timer(frontend
*fe
)
486 if (!fe
->timer_active
) {
487 fe
->timer_id
= gtk_timeout_add(20, timer_func
, fe
);
488 gettimeofday(&fe
->last_time
, NULL
);
490 fe
->timer_active
= TRUE
;
493 static void window_destroy(GtkWidget
*widget
, gpointer data
)
498 static void errmsg_button_clicked(GtkButton
*button
, gpointer data
)
500 gtk_widget_destroy(GTK_WIDGET(data
));
503 static int win_key_press(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
505 GtkObject
*cancelbutton
= GTK_OBJECT(data
);
508 * `Escape' effectively clicks the cancel button
510 if (event
->keyval
== GDK_Escape
) {
511 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton
), "clicked");
518 void error_box(GtkWidget
*parent
, char *msg
)
520 GtkWidget
*window
, *hbox
, *text
, *ok
;
522 window
= gtk_dialog_new();
523 text
= gtk_label_new(msg
);
524 gtk_misc_set_alignment(GTK_MISC(text
), 0.0, 0.0);
525 hbox
= gtk_hbox_new(FALSE
, 0);
526 gtk_box_pack_start(GTK_BOX(hbox
), text
, FALSE
, FALSE
, 20);
527 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window
)->vbox
),
528 hbox
, FALSE
, FALSE
, 20);
529 gtk_widget_show(text
);
530 gtk_widget_show(hbox
);
531 gtk_window_set_title(GTK_WINDOW(window
), "Error");
532 gtk_label_set_line_wrap(GTK_LABEL(text
), TRUE
);
533 ok
= gtk_button_new_with_label("OK");
534 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window
)->action_area
),
535 ok
, FALSE
, FALSE
, 0);
537 GTK_WIDGET_SET_FLAGS(ok
, GTK_CAN_DEFAULT
);
538 gtk_window_set_default(GTK_WINDOW(window
), ok
);
539 gtk_signal_connect(GTK_OBJECT(ok
), "clicked",
540 GTK_SIGNAL_FUNC(errmsg_button_clicked
), window
);
541 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
542 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
543 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
544 GTK_SIGNAL_FUNC(win_key_press
), ok
);
545 gtk_window_set_modal(GTK_WINDOW(window
), TRUE
);
546 gtk_window_set_transient_for(GTK_WINDOW(window
), GTK_WINDOW(parent
));
547 //set_transient_window_pos(parent, window);
548 gtk_widget_show(window
);
552 static void config_ok_button_clicked(GtkButton
*button
, gpointer data
)
554 frontend
*fe
= (frontend
*)data
;
557 err
= midend_set_config(fe
->me
, fe
->cfg_which
, fe
->cfg
);
560 error_box(fe
->cfgbox
, err
);
563 gtk_widget_destroy(fe
->cfgbox
);
567 static void config_cancel_button_clicked(GtkButton
*button
, gpointer data
)
569 frontend
*fe
= (frontend
*)data
;
571 gtk_widget_destroy(fe
->cfgbox
);
574 static int editbox_key(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
577 * GtkEntry has a nasty habit of eating the Return key, which
578 * is unhelpful since it doesn't actually _do_ anything with it
579 * (it calls gtk_widget_activate, but our edit boxes never need
580 * activating). So I catch Return before GtkEntry sees it, and
581 * pass it straight on to the parent widget. Effect: hitting
582 * Return in an edit box will now activate the default button
583 * in the dialog just like it will everywhere else.
585 if (event
->keyval
== GDK_Return
&& widget
->parent
!= NULL
) {
587 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget
), "key_press_event");
588 gtk_signal_emit_by_name(GTK_OBJECT(widget
->parent
), "key_press_event",
595 static void editbox_changed(GtkEditable
*ed
, gpointer data
)
597 config_item
*i
= (config_item
*)data
;
600 i
->sval
= dupstr(gtk_entry_get_text(GTK_ENTRY(ed
)));
603 static void button_toggled(GtkToggleButton
*tb
, gpointer data
)
605 config_item
*i
= (config_item
*)data
;
607 i
->ival
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb
));
610 static void droplist_sel(GtkMenuItem
*item
, gpointer data
)
612 config_item
*i
= (config_item
*)data
;
614 i
->ival
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
618 static int get_config(frontend
*fe
, int which
)
620 GtkWidget
*w
, *table
, *cancel
;
625 fe
->cfg
= midend_get_config(fe
->me
, which
, &title
);
626 fe
->cfg_which
= which
;
629 fe
->cfgbox
= gtk_dialog_new();
630 gtk_window_set_title(GTK_WINDOW(fe
->cfgbox
), title
);
633 w
= gtk_button_new_with_label("OK");
634 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
637 GTK_WIDGET_SET_FLAGS(w
, GTK_CAN_DEFAULT
);
638 gtk_window_set_default(GTK_WINDOW(fe
->cfgbox
), w
);
639 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
640 GTK_SIGNAL_FUNC(config_ok_button_clicked
), fe
);
642 w
= gtk_button_new_with_label("Cancel");
643 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
646 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
647 GTK_SIGNAL_FUNC(config_cancel_button_clicked
), fe
);
650 table
= gtk_table_new(1, 2, FALSE
);
652 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->vbox
),
653 table
, FALSE
, FALSE
, 0);
654 gtk_widget_show(table
);
656 for (i
= fe
->cfg
; i
->type
!= C_END
; i
++) {
657 gtk_table_resize(GTK_TABLE(table
), y
+1, 2);
662 * Edit box with a label beside it.
665 w
= gtk_label_new(i
->name
);
666 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
667 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
668 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
669 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
674 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
675 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
676 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
678 gtk_entry_set_text(GTK_ENTRY(w
), i
->sval
);
679 gtk_signal_connect(GTK_OBJECT(w
), "changed",
680 GTK_SIGNAL_FUNC(editbox_changed
), i
);
681 gtk_signal_connect(GTK_OBJECT(w
), "key_press_event",
682 GTK_SIGNAL_FUNC(editbox_key
), NULL
);
691 w
= gtk_check_button_new_with_label(i
->name
);
692 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
693 GTK_SIGNAL_FUNC(button_toggled
), i
);
694 gtk_table_attach(GTK_TABLE(table
), w
, 0, 2, y
, y
+1,
695 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
696 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
698 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w
), i
->ival
);
704 * Drop-down list (GtkOptionMenu).
707 w
= gtk_label_new(i
->name
);
708 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
709 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
710 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
711 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
715 w
= gtk_option_menu_new();
716 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
717 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
718 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
726 GtkWidget
*menu
= gtk_menu_new();
728 gtk_option_menu_set_menu(GTK_OPTION_MENU(w
), menu
);
736 while (*q
&& *q
!= c
)
739 name
= snewn(q
-p
+1, char);
740 strncpy(name
, p
, q
-p
);
743 if (*q
) q
++; /* eat delimiter */
745 menuitem
= gtk_menu_item_new_with_label(name
);
746 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
747 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
748 GINT_TO_POINTER(val
));
749 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
750 GTK_SIGNAL_FUNC(droplist_sel
), i
);
751 gtk_widget_show(menuitem
);
758 gtk_option_menu_set_history(GTK_OPTION_MENU(w
), i
->ival
);
767 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "destroy",
768 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
769 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "key_press_event",
770 GTK_SIGNAL_FUNC(win_key_press
), cancel
);
771 gtk_window_set_modal(GTK_WINDOW(fe
->cfgbox
), TRUE
);
772 gtk_window_set_transient_for(GTK_WINDOW(fe
->cfgbox
),
773 GTK_WINDOW(fe
->window
));
774 //set_transient_window_pos(fe->window, fe->cfgbox);
775 gtk_widget_show(fe
->cfgbox
);
783 static void menu_key_event(GtkMenuItem
*menuitem
, gpointer data
)
785 frontend
*fe
= (frontend
*)data
;
786 int key
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
788 if (!midend_process_key(fe
->me
, 0, 0, key
))
789 gtk_widget_destroy(fe
->window
);
792 static void menu_preset_event(GtkMenuItem
*menuitem
, gpointer data
)
794 frontend
*fe
= (frontend
*)data
;
795 game_params
*params
=
796 (game_params
*)gtk_object_get_data(GTK_OBJECT(menuitem
), "user-data");
799 midend_set_params(fe
->me
, params
);
800 midend_new_game(fe
->me
);
801 midend_size(fe
->me
, &x
, &y
);
802 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
807 static void menu_config_event(GtkMenuItem
*menuitem
, gpointer data
)
809 frontend
*fe
= (frontend
*)data
;
810 int which
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
814 if (!get_config(fe
, which
))
817 midend_new_game(fe
->me
);
818 midend_size(fe
->me
, &x
, &y
);
819 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
824 static GtkWidget
*add_menu_item_with_key(frontend
*fe
, GtkContainer
*cont
,
827 GtkWidget
*menuitem
= gtk_menu_item_new_with_label(text
);
828 gtk_container_add(cont
, menuitem
);
829 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
830 GINT_TO_POINTER(key
));
831 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
832 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
833 gtk_widget_show(menuitem
);
837 static void add_menu_separator(GtkContainer
*cont
)
839 GtkWidget
*menuitem
= gtk_menu_item_new();
840 gtk_container_add(cont
, menuitem
);
841 gtk_widget_show(menuitem
);
844 static frontend
*new_window(char *game_id
, char **error
)
848 GtkWidget
*menubar
, *menu
, *menuitem
;
853 fe
->me
= midend_new(fe
, &thegame
);
855 *error
= midend_game_id(fe
->me
, game_id
, FALSE
);
862 midend_new_game(fe
->me
);
864 fe
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
865 gtk_window_set_title(GTK_WINDOW(fe
->window
), thegame
.name
);
867 gtk_window_set_resizable(GTK_WINDOW(fe
->window
), FALSE
);
869 gtk_window_set_policy(GTK_WINDOW(fe
->window
), FALSE
, FALSE
, TRUE
);
871 vbox
= GTK_BOX(gtk_vbox_new(FALSE
, 0));
872 gtk_container_add(GTK_CONTAINER(fe
->window
), GTK_WIDGET(vbox
));
873 gtk_widget_show(GTK_WIDGET(vbox
));
875 menubar
= gtk_menu_bar_new();
876 gtk_box_pack_start(vbox
, menubar
, FALSE
, FALSE
, 0);
877 gtk_widget_show(menubar
);
879 menuitem
= gtk_menu_item_new_with_label("Game");
880 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
881 gtk_widget_show(menuitem
);
883 menu
= gtk_menu_new();
884 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
886 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "New", 'n');
887 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Restart", 'r');
889 menuitem
= gtk_menu_item_new_with_label("Specific...");
890 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
891 GINT_TO_POINTER(CFG_SEED
));
892 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
893 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
894 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
895 gtk_widget_show(menuitem
);
897 if ((n
= midend_num_presets(fe
->me
)) > 0 || thegame
.can_configure
) {
901 menuitem
= gtk_menu_item_new_with_label("Type");
902 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
903 gtk_widget_show(menuitem
);
905 submenu
= gtk_menu_new();
906 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), submenu
);
908 for (i
= 0; i
< n
; i
++) {
912 midend_fetch_preset(fe
->me
, i
, &name
, ¶ms
);
914 menuitem
= gtk_menu_item_new_with_label(name
);
915 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
916 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data", params
);
917 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
918 GTK_SIGNAL_FUNC(menu_preset_event
), fe
);
919 gtk_widget_show(menuitem
);
922 if (thegame
.can_configure
) {
923 menuitem
= gtk_menu_item_new_with_label("Custom...");
924 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
925 GPOINTER_TO_INT(CFG_SETTINGS
));
926 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
927 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
928 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
929 gtk_widget_show(menuitem
);
933 add_menu_separator(GTK_CONTAINER(menu
));
934 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Undo", 'u');
935 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Redo", '\x12');
936 add_menu_separator(GTK_CONTAINER(menu
));
937 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Exit", 'q');
944 fe
->colmap
= gdk_colormap_get_system();
945 colours
= midend_colours(fe
->me
, &ncolours
);
946 fe
->ncolours
= ncolours
;
947 fe
->colours
= snewn(ncolours
, GdkColor
);
948 for (i
= 0; i
< ncolours
; i
++) {
949 fe
->colours
[i
].red
= colours
[i
*3] * 0xFFFF;
950 fe
->colours
[i
].green
= colours
[i
*3+1] * 0xFFFF;
951 fe
->colours
[i
].blue
= colours
[i
*3+2] * 0xFFFF;
953 success
= snewn(ncolours
, gboolean
);
954 gdk_colormap_alloc_colors(fe
->colmap
, fe
->colours
, ncolours
,
955 FALSE
, FALSE
, success
);
956 for (i
= 0; i
< ncolours
; i
++) {
958 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
959 i
, fe
->colours
[i
].red
>> 8,
960 fe
->colours
[i
].green
>> 8,
961 fe
->colours
[i
].blue
>> 8);
965 if (midend_wants_statusbar(fe
->me
)) {
969 viewport
= gtk_viewport_new(NULL
, NULL
);
970 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport
), GTK_SHADOW_NONE
);
971 fe
->statusbar
= gtk_statusbar_new();
972 gtk_container_add(GTK_CONTAINER(viewport
), fe
->statusbar
);
973 gtk_widget_show(viewport
);
974 gtk_box_pack_end(vbox
, viewport
, FALSE
, FALSE
, 0);
975 gtk_widget_show(fe
->statusbar
);
976 fe
->statusctx
= gtk_statusbar_get_context_id
977 (GTK_STATUSBAR(fe
->statusbar
), "game");
978 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
,
980 gtk_widget_size_request(fe
->statusbar
, &req
);
982 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
984 gtk_widget_set_usize(viewport
, -1, req
.height
);
986 fe
->statusbar
= NULL
;
988 fe
->area
= gtk_drawing_area_new();
989 midend_size(fe
->me
, &x
, &y
);
990 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
994 gtk_box_pack_end(vbox
, fe
->area
, FALSE
, FALSE
, 0);
998 fe
->nfonts
= fe
->fontsize
= 0;
1000 fe
->timer_active
= FALSE
;
1002 gtk_signal_connect(GTK_OBJECT(fe
->window
), "destroy",
1003 GTK_SIGNAL_FUNC(destroy
), fe
);
1004 gtk_signal_connect(GTK_OBJECT(fe
->window
), "key_press_event",
1005 GTK_SIGNAL_FUNC(key_event
), fe
);
1006 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_press_event",
1007 GTK_SIGNAL_FUNC(button_event
), fe
);
1008 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_release_event",
1009 GTK_SIGNAL_FUNC(button_event
), fe
);
1010 gtk_signal_connect(GTK_OBJECT(fe
->area
), "motion_notify_event",
1011 GTK_SIGNAL_FUNC(motion_event
), fe
);
1012 gtk_signal_connect(GTK_OBJECT(fe
->area
), "expose_event",
1013 GTK_SIGNAL_FUNC(expose_area
), fe
);
1014 gtk_signal_connect(GTK_OBJECT(fe
->window
), "map_event",
1015 GTK_SIGNAL_FUNC(map_window
), fe
);
1016 gtk_signal_connect(GTK_OBJECT(fe
->area
), "configure_event",
1017 GTK_SIGNAL_FUNC(configure_area
), fe
);
1019 gtk_widget_add_events(GTK_WIDGET(fe
->area
),
1020 GDK_BUTTON_PRESS_MASK
|
1021 GDK_BUTTON_RELEASE_MASK
|
1022 GDK_BUTTON_MOTION_MASK
);
1024 gtk_widget_show(fe
->area
);
1025 gtk_widget_show(fe
->window
);
1030 int main(int argc
, char **argv
)
1032 char *pname
= argv
[0];
1036 * Special standalone mode for generating puzzle IDs on the
1037 * command line. Useful for generating puzzles to be printed
1038 * out and solved offline (for puzzles where that even makes
1039 * sense - Solo, for example, is a lot more pencil-and-paper
1040 * friendly than Net!)
1044 * <puzzle-name> --generate [<n> [<params>]]
1046 * <n>, if present, is the number of puzzle IDs to generate.
1047 * <params>, if present, is the same type of parameter string
1048 * you would pass to the puzzle when running it in GUI mode,
1049 * including optional extras such as the expansion factor in
1050 * Rectangles and the difficulty level in Solo.
1052 * If you specify <params>, you must also specify <n> (although
1053 * you may specify it to be 1). Sorry; that was the
1054 * simplest-to-parse command-line syntax I came up with.
1056 if (argc
> 1 && !strcmp(argv
[1], "--generate")) {
1058 char *params
= NULL
;
1066 get_random_seed(&seed
, &seedlen
);
1067 rs
= random_init(seed
, seedlen
);
1076 par
= thegame
.decode_params(params
);
1078 par
= thegame
.default_params();
1079 parstr
= thegame
.encode_params(par
);
1082 char *seed
= thegame
.new_seed(par
, rs
);
1083 printf("%s:%s\n", parstr
, seed
);
1090 gtk_init(&argc
, &argv
);
1092 if (!new_window(argc
> 1 ? argv
[1] : NULL
, &error
)) {
1093 fprintf(stderr
, "%s: %s\n", pname
, error
);