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 message_box(GtkWidget
*parent
, char *title
, char *msg
, int centre
)
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
), title
);
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 void error_box(GtkWidget
*parent
, char *msg
)
564 message_box(parent
, "Error", msg
, FALSE
);
567 static void config_ok_button_clicked(GtkButton
*button
, gpointer data
)
569 frontend
*fe
= (frontend
*)data
;
572 err
= midend_set_config(fe
->me
, fe
->cfg_which
, fe
->cfg
);
575 error_box(fe
->cfgbox
, err
);
578 gtk_widget_destroy(fe
->cfgbox
);
582 static void config_cancel_button_clicked(GtkButton
*button
, gpointer data
)
584 frontend
*fe
= (frontend
*)data
;
586 gtk_widget_destroy(fe
->cfgbox
);
589 static int editbox_key(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
592 * GtkEntry has a nasty habit of eating the Return key, which
593 * is unhelpful since it doesn't actually _do_ anything with it
594 * (it calls gtk_widget_activate, but our edit boxes never need
595 * activating). So I catch Return before GtkEntry sees it, and
596 * pass it straight on to the parent widget. Effect: hitting
597 * Return in an edit box will now activate the default button
598 * in the dialog just like it will everywhere else.
600 if (event
->keyval
== GDK_Return
&& widget
->parent
!= NULL
) {
602 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget
), "key_press_event");
603 gtk_signal_emit_by_name(GTK_OBJECT(widget
->parent
), "key_press_event",
610 static void editbox_changed(GtkEditable
*ed
, gpointer data
)
612 config_item
*i
= (config_item
*)data
;
615 i
->sval
= dupstr(gtk_entry_get_text(GTK_ENTRY(ed
)));
618 static void button_toggled(GtkToggleButton
*tb
, gpointer data
)
620 config_item
*i
= (config_item
*)data
;
622 i
->ival
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb
));
625 static void droplist_sel(GtkMenuItem
*item
, gpointer data
)
627 config_item
*i
= (config_item
*)data
;
629 i
->ival
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
633 static int get_config(frontend
*fe
, int which
)
635 GtkWidget
*w
, *table
, *cancel
;
640 fe
->cfg
= midend_get_config(fe
->me
, which
, &title
);
641 fe
->cfg_which
= which
;
644 fe
->cfgbox
= gtk_dialog_new();
645 gtk_window_set_title(GTK_WINDOW(fe
->cfgbox
), title
);
648 w
= gtk_button_new_with_label("OK");
649 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
652 GTK_WIDGET_SET_FLAGS(w
, GTK_CAN_DEFAULT
);
653 gtk_window_set_default(GTK_WINDOW(fe
->cfgbox
), w
);
654 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
655 GTK_SIGNAL_FUNC(config_ok_button_clicked
), fe
);
657 w
= gtk_button_new_with_label("Cancel");
658 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
661 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
662 GTK_SIGNAL_FUNC(config_cancel_button_clicked
), fe
);
665 table
= gtk_table_new(1, 2, FALSE
);
667 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->vbox
),
668 table
, FALSE
, FALSE
, 0);
669 gtk_widget_show(table
);
671 for (i
= fe
->cfg
; i
->type
!= C_END
; i
++) {
672 gtk_table_resize(GTK_TABLE(table
), y
+1, 2);
677 * Edit box with a label beside it.
680 w
= gtk_label_new(i
->name
);
681 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
682 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
683 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
684 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
689 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
690 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
691 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
693 gtk_entry_set_text(GTK_ENTRY(w
), i
->sval
);
694 gtk_signal_connect(GTK_OBJECT(w
), "changed",
695 GTK_SIGNAL_FUNC(editbox_changed
), i
);
696 gtk_signal_connect(GTK_OBJECT(w
), "key_press_event",
697 GTK_SIGNAL_FUNC(editbox_key
), NULL
);
706 w
= gtk_check_button_new_with_label(i
->name
);
707 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
708 GTK_SIGNAL_FUNC(button_toggled
), i
);
709 gtk_table_attach(GTK_TABLE(table
), w
, 0, 2, y
, y
+1,
710 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
711 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
713 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w
), i
->ival
);
719 * Drop-down list (GtkOptionMenu).
722 w
= gtk_label_new(i
->name
);
723 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
724 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
725 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
726 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
730 w
= gtk_option_menu_new();
731 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
732 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
733 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
741 GtkWidget
*menu
= gtk_menu_new();
743 gtk_option_menu_set_menu(GTK_OPTION_MENU(w
), menu
);
751 while (*q
&& *q
!= c
)
754 name
= snewn(q
-p
+1, char);
755 strncpy(name
, p
, q
-p
);
758 if (*q
) q
++; /* eat delimiter */
760 menuitem
= gtk_menu_item_new_with_label(name
);
761 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
762 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
763 GINT_TO_POINTER(val
));
764 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
765 GTK_SIGNAL_FUNC(droplist_sel
), i
);
766 gtk_widget_show(menuitem
);
773 gtk_option_menu_set_history(GTK_OPTION_MENU(w
), i
->ival
);
782 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "destroy",
783 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
784 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "key_press_event",
785 GTK_SIGNAL_FUNC(win_key_press
), cancel
);
786 gtk_window_set_modal(GTK_WINDOW(fe
->cfgbox
), TRUE
);
787 gtk_window_set_transient_for(GTK_WINDOW(fe
->cfgbox
),
788 GTK_WINDOW(fe
->window
));
789 //set_transient_window_pos(fe->window, fe->cfgbox);
790 gtk_widget_show(fe
->cfgbox
);
798 static void menu_key_event(GtkMenuItem
*menuitem
, gpointer data
)
800 frontend
*fe
= (frontend
*)data
;
801 int key
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
803 if (!midend_process_key(fe
->me
, 0, 0, key
))
804 gtk_widget_destroy(fe
->window
);
807 static void menu_preset_event(GtkMenuItem
*menuitem
, gpointer data
)
809 frontend
*fe
= (frontend
*)data
;
810 game_params
*params
=
811 (game_params
*)gtk_object_get_data(GTK_OBJECT(menuitem
), "user-data");
814 midend_set_params(fe
->me
, params
);
815 midend_new_game(fe
->me
);
816 midend_size(fe
->me
, &x
, &y
);
817 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
822 GdkAtom compound_text_atom
, utf8_string_atom
;
823 int paste_initialised
= FALSE
;
827 if (paste_initialised
)
830 if (!compound_text_atom
)
831 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
832 if (!utf8_string_atom
)
833 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
836 * Ensure that all the cut buffers exist - according to the
837 * ICCCM, we must do this before we start using cut buffers.
839 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
840 XA_CUT_BUFFER0
, XA_STRING
, 8, PropModeAppend
, "", 0);
841 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
842 XA_CUT_BUFFER1
, XA_STRING
, 8, PropModeAppend
, "", 0);
843 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
844 XA_CUT_BUFFER2
, XA_STRING
, 8, PropModeAppend
, "", 0);
845 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
846 XA_CUT_BUFFER3
, XA_STRING
, 8, PropModeAppend
, "", 0);
847 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
848 XA_CUT_BUFFER4
, XA_STRING
, 8, PropModeAppend
, "", 0);
849 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
850 XA_CUT_BUFFER5
, XA_STRING
, 8, PropModeAppend
, "", 0);
851 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
852 XA_CUT_BUFFER6
, XA_STRING
, 8, PropModeAppend
, "", 0);
853 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
854 XA_CUT_BUFFER7
, XA_STRING
, 8, PropModeAppend
, "", 0);
857 /* Store data in a cut-buffer. */
858 void store_cutbuffer(char *ptr
, int len
)
860 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
861 XRotateBuffers(GDK_DISPLAY(), 1);
862 XStoreBytes(GDK_DISPLAY(), ptr
, len
);
865 void write_clip(frontend
*fe
, char *data
)
870 sfree(fe
->paste_data
);
873 * For this simple application we can safely assume that the
874 * data passed to this function is pure ASCII, which means we
875 * can return precisely the same stuff for types STRING,
876 * COMPOUND_TEXT or UTF8_STRING.
879 fe
->paste_data
= data
;
880 fe
->paste_data_len
= strlen(data
);
882 store_cutbuffer(fe
->paste_data
, fe
->paste_data_len
);
884 if (gtk_selection_owner_set(fe
->area
, GDK_SELECTION_PRIMARY
,
886 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
887 GDK_SELECTION_TYPE_STRING
, 1);
888 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
889 compound_text_atom
, 1);
890 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
891 utf8_string_atom
, 1);
895 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
896 guint info
, guint time_stamp
, gpointer data
)
898 frontend
*fe
= (frontend
*)data
;
899 gtk_selection_data_set(seldata
, seldata
->target
, 8,
900 fe
->paste_data
, fe
->paste_data_len
);
903 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
906 frontend
*fe
= (frontend
*)data
;
909 sfree(fe
->paste_data
);
910 fe
->paste_data
= NULL
;
911 fe
->paste_data_len
= 0;
915 static void menu_copy_event(GtkMenuItem
*menuitem
, gpointer data
)
917 frontend
*fe
= (frontend
*)data
;
920 text
= midend_text_format(fe
->me
);
923 write_clip(fe
, text
);
929 static void menu_solve_event(GtkMenuItem
*menuitem
, gpointer data
)
931 frontend
*fe
= (frontend
*)data
;
934 msg
= midend_solve(fe
->me
);
937 error_box(fe
->window
, msg
);
940 static void menu_config_event(GtkMenuItem
*menuitem
, gpointer data
)
942 frontend
*fe
= (frontend
*)data
;
943 int which
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
947 if (!get_config(fe
, which
))
950 midend_new_game(fe
->me
);
951 midend_size(fe
->me
, &x
, &y
);
952 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
957 static void menu_about_event(GtkMenuItem
*menuitem
, gpointer data
)
959 frontend
*fe
= (frontend
*)data
;
963 sprintf(titlebuf
, "About %.200s", thegame
.name
);
966 "from Simon Tatham's Portable Puzzle Collection\n\n"
967 "%.500s", thegame
.name
, ver
);
969 message_box(fe
->window
, titlebuf
, textbuf
, TRUE
);
972 static GtkWidget
*add_menu_item_with_key(frontend
*fe
, GtkContainer
*cont
,
975 GtkWidget
*menuitem
= gtk_menu_item_new_with_label(text
);
976 gtk_container_add(cont
, menuitem
);
977 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
978 GINT_TO_POINTER(key
));
979 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
980 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
981 gtk_widget_show(menuitem
);
985 static void add_menu_separator(GtkContainer
*cont
)
987 GtkWidget
*menuitem
= gtk_menu_item_new();
988 gtk_container_add(cont
, menuitem
);
989 gtk_widget_show(menuitem
);
992 static frontend
*new_window(char *game_id
, char **error
)
996 GtkWidget
*menubar
, *menu
, *menuitem
;
1001 fe
->me
= midend_new(fe
, &thegame
);
1003 *error
= midend_game_id(fe
->me
, game_id
);
1005 midend_free(fe
->me
);
1010 midend_new_game(fe
->me
);
1012 fe
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1013 gtk_window_set_title(GTK_WINDOW(fe
->window
), thegame
.name
);
1015 gtk_window_set_resizable(GTK_WINDOW(fe
->window
), FALSE
);
1017 gtk_window_set_policy(GTK_WINDOW(fe
->window
), FALSE
, FALSE
, TRUE
);
1019 vbox
= GTK_BOX(gtk_vbox_new(FALSE
, 0));
1020 gtk_container_add(GTK_CONTAINER(fe
->window
), GTK_WIDGET(vbox
));
1021 gtk_widget_show(GTK_WIDGET(vbox
));
1023 menubar
= gtk_menu_bar_new();
1024 gtk_box_pack_start(vbox
, menubar
, FALSE
, FALSE
, 0);
1025 gtk_widget_show(menubar
);
1027 menuitem
= gtk_menu_item_new_with_label("Game");
1028 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1029 gtk_widget_show(menuitem
);
1031 menu
= gtk_menu_new();
1032 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1034 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "New", 'n');
1035 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Restart", 'r');
1037 menuitem
= gtk_menu_item_new_with_label("Specific...");
1038 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1039 GINT_TO_POINTER(CFG_DESC
));
1040 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1041 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1042 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1043 gtk_widget_show(menuitem
);
1045 menuitem
= gtk_menu_item_new_with_label("Random Seed...");
1046 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1047 GINT_TO_POINTER(CFG_SEED
));
1048 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1049 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1050 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1051 gtk_widget_show(menuitem
);
1053 if ((n
= midend_num_presets(fe
->me
)) > 0 || thegame
.can_configure
) {
1057 menuitem
= gtk_menu_item_new_with_label("Type");
1058 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1059 gtk_widget_show(menuitem
);
1061 submenu
= gtk_menu_new();
1062 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), submenu
);
1064 for (i
= 0; i
< n
; i
++) {
1066 game_params
*params
;
1068 midend_fetch_preset(fe
->me
, i
, &name
, ¶ms
);
1070 menuitem
= gtk_menu_item_new_with_label(name
);
1071 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1072 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data", params
);
1073 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1074 GTK_SIGNAL_FUNC(menu_preset_event
), fe
);
1075 gtk_widget_show(menuitem
);
1078 if (thegame
.can_configure
) {
1079 menuitem
= gtk_menu_item_new_with_label("Custom...");
1080 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1081 GPOINTER_TO_INT(CFG_SETTINGS
));
1082 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1083 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1084 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1085 gtk_widget_show(menuitem
);
1089 add_menu_separator(GTK_CONTAINER(menu
));
1090 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Undo", 'u');
1091 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Redo", '\x12');
1092 if (thegame
.can_format_as_text
) {
1093 add_menu_separator(GTK_CONTAINER(menu
));
1094 menuitem
= gtk_menu_item_new_with_label("Copy");
1095 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1096 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1097 GTK_SIGNAL_FUNC(menu_copy_event
), fe
);
1098 gtk_widget_show(menuitem
);
1100 if (thegame
.can_solve
) {
1101 add_menu_separator(GTK_CONTAINER(menu
));
1102 menuitem
= gtk_menu_item_new_with_label("Solve");
1103 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1104 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1105 GTK_SIGNAL_FUNC(menu_solve_event
), fe
);
1106 gtk_widget_show(menuitem
);
1108 add_menu_separator(GTK_CONTAINER(menu
));
1109 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Exit", 'q');
1111 menuitem
= gtk_menu_item_new_with_label("Help");
1112 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1113 gtk_widget_show(menuitem
);
1115 menu
= gtk_menu_new();
1116 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1118 menuitem
= gtk_menu_item_new_with_label("About");
1119 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1120 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1121 GTK_SIGNAL_FUNC(menu_about_event
), fe
);
1122 gtk_widget_show(menuitem
);
1129 fe
->colmap
= gdk_colormap_get_system();
1130 colours
= midend_colours(fe
->me
, &ncolours
);
1131 fe
->ncolours
= ncolours
;
1132 fe
->colours
= snewn(ncolours
, GdkColor
);
1133 for (i
= 0; i
< ncolours
; i
++) {
1134 fe
->colours
[i
].red
= colours
[i
*3] * 0xFFFF;
1135 fe
->colours
[i
].green
= colours
[i
*3+1] * 0xFFFF;
1136 fe
->colours
[i
].blue
= colours
[i
*3+2] * 0xFFFF;
1138 success
= snewn(ncolours
, gboolean
);
1139 gdk_colormap_alloc_colors(fe
->colmap
, fe
->colours
, ncolours
,
1140 FALSE
, FALSE
, success
);
1141 for (i
= 0; i
< ncolours
; i
++) {
1143 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1144 i
, fe
->colours
[i
].red
>> 8,
1145 fe
->colours
[i
].green
>> 8,
1146 fe
->colours
[i
].blue
>> 8);
1150 if (midend_wants_statusbar(fe
->me
)) {
1151 GtkWidget
*viewport
;
1154 viewport
= gtk_viewport_new(NULL
, NULL
);
1155 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport
), GTK_SHADOW_NONE
);
1156 fe
->statusbar
= gtk_statusbar_new();
1157 gtk_container_add(GTK_CONTAINER(viewport
), fe
->statusbar
);
1158 gtk_widget_show(viewport
);
1159 gtk_box_pack_end(vbox
, viewport
, FALSE
, FALSE
, 0);
1160 gtk_widget_show(fe
->statusbar
);
1161 fe
->statusctx
= gtk_statusbar_get_context_id
1162 (GTK_STATUSBAR(fe
->statusbar
), "game");
1163 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
,
1165 gtk_widget_size_request(fe
->statusbar
, &req
);
1167 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1169 gtk_widget_set_usize(viewport
, -1, req
.height
);
1171 fe
->statusbar
= NULL
;
1173 fe
->area
= gtk_drawing_area_new();
1174 midend_size(fe
->me
, &x
, &y
);
1175 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1179 gtk_box_pack_end(vbox
, fe
->area
, FALSE
, FALSE
, 0);
1183 fe
->nfonts
= fe
->fontsize
= 0;
1185 fe
->timer_active
= FALSE
;
1187 fe
->paste_data
= NULL
;
1188 fe
->paste_data_len
= 0;
1190 gtk_signal_connect(GTK_OBJECT(fe
->window
), "destroy",
1191 GTK_SIGNAL_FUNC(destroy
), fe
);
1192 gtk_signal_connect(GTK_OBJECT(fe
->window
), "key_press_event",
1193 GTK_SIGNAL_FUNC(key_event
), fe
);
1194 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_press_event",
1195 GTK_SIGNAL_FUNC(button_event
), fe
);
1196 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_release_event",
1197 GTK_SIGNAL_FUNC(button_event
), fe
);
1198 gtk_signal_connect(GTK_OBJECT(fe
->area
), "motion_notify_event",
1199 GTK_SIGNAL_FUNC(motion_event
), fe
);
1200 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_get",
1201 GTK_SIGNAL_FUNC(selection_get
), fe
);
1202 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_clear_event",
1203 GTK_SIGNAL_FUNC(selection_clear
), fe
);
1204 gtk_signal_connect(GTK_OBJECT(fe
->area
), "expose_event",
1205 GTK_SIGNAL_FUNC(expose_area
), fe
);
1206 gtk_signal_connect(GTK_OBJECT(fe
->window
), "map_event",
1207 GTK_SIGNAL_FUNC(map_window
), fe
);
1208 gtk_signal_connect(GTK_OBJECT(fe
->area
), "configure_event",
1209 GTK_SIGNAL_FUNC(configure_area
), fe
);
1211 gtk_widget_add_events(GTK_WIDGET(fe
->area
),
1212 GDK_BUTTON_PRESS_MASK
|
1213 GDK_BUTTON_RELEASE_MASK
|
1214 GDK_BUTTON_MOTION_MASK
);
1216 gtk_widget_show(fe
->area
);
1217 gtk_widget_show(fe
->window
);
1222 int main(int argc
, char **argv
)
1224 char *pname
= argv
[0];
1228 * Special standalone mode for generating puzzle IDs on the
1229 * command line. Useful for generating puzzles to be printed
1230 * out and solved offline (for puzzles where that even makes
1231 * sense - Solo, for example, is a lot more pencil-and-paper
1232 * friendly than Net!)
1236 * <puzzle-name> --generate [<n> [<params>]]
1238 * <n>, if present, is the number of puzzle IDs to generate.
1239 * <params>, if present, is the same type of parameter string
1240 * you would pass to the puzzle when running it in GUI mode,
1241 * including optional extras such as the expansion factor in
1242 * Rectangles and the difficulty level in Solo.
1244 * If you specify <params>, you must also specify <n> (although
1245 * you may specify it to be 1). Sorry; that was the
1246 * simplest-to-parse command-line syntax I came up with.
1248 if (argc
> 1 && !strcmp(argv
[1], "--generate")) {
1250 char *params
= NULL
, *seed
= NULL
;
1260 par
= thegame
.default_params();
1262 if ( (seed
= strchr(params
, '#')) != NULL
)
1264 thegame
.decode_params(par
, params
);
1267 parstr
= thegame
.encode_params(par
, FALSE
);
1274 seedlen
= strlen(seed
);
1276 get_random_seed(&seeddata
, &seedlen
);
1278 rs
= random_init(seeddata
, seedlen
);
1282 game_aux_info
*aux
= NULL
;
1283 char *desc
= thegame
.new_desc(par
, rs
, &aux
);
1284 printf("%s:%s\n", parstr
, desc
);
1287 thegame
.free_aux_info(aux
);
1293 gtk_init(&argc
, &argv
);
1295 if (!new_window(argc
> 1 ? argv
[1] : NULL
, &error
)) {
1296 fprintf(stderr
, "%s: %s\n", pname
, error
);