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 #if GTK_CHECK_VERSION(2,0,0)
28 /* ----------------------------------------------------------------------
29 * Error reporting functions used elsewhere.
32 void fatal(char *fmt
, ...)
36 fprintf(stderr
, "fatal error: ");
39 vfprintf(stderr
, fmt
, ap
);
42 fprintf(stderr
, "\n");
46 /* ----------------------------------------------------------------------
47 * GTK front end to puzzles.
52 PangoFontDescription
*desc
;
61 * This structure holds all the data relevant to a single window.
62 * In principle this would allow us to open multiple independent
63 * puzzle windows, although I can't currently see any real point in
64 * doing so. I'm just coding cleanly because there's no
65 * particularly good reason not to.
79 int bbox_l
, bbox_r
, bbox_u
, bbox_d
;
80 int timer_active
, timer_id
;
81 struct timeval last_time
;
85 int cfg_which
, cfgret
;
90 int pw
, ph
; /* pixmap size (w, h are area size) */
91 int ox
, oy
; /* offset of pixmap in drawing area */
94 void get_random_seed(void **randseed
, int *randseedsize
)
96 struct timeval
*tvp
= snew(struct timeval
);
97 gettimeofday(tvp
, NULL
);
98 *randseed
= (void *)tvp
;
99 *randseedsize
= sizeof(struct timeval
);
102 void frontend_default_colour(frontend
*fe
, float *output
)
104 GdkColor col
= fe
->window
->style
->bg
[GTK_STATE_NORMAL
];
105 output
[0] = col
.red
/ 65535.0;
106 output
[1] = col
.green
/ 65535.0;
107 output
[2] = col
.blue
/ 65535.0;
110 void status_bar(frontend
*fe
, char *text
)
114 assert(fe
->statusbar
);
116 rewritten
= midend_rewrite_statusbar(fe
->me
, text
);
117 if (!fe
->laststatus
|| strcmp(rewritten
, fe
->laststatus
)) {
118 gtk_statusbar_pop(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
);
119 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
, rewritten
);
120 sfree(fe
->laststatus
);
121 fe
->laststatus
= rewritten
;
127 void start_draw(frontend
*fe
)
129 fe
->gc
= gdk_gc_new(fe
->area
->window
);
136 void clip(frontend
*fe
, int x
, int y
, int w
, int h
)
145 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
148 void unclip(frontend
*fe
)
157 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
160 void draw_text(frontend
*fe
, int x
, int y
, int fonttype
, int fontsize
,
161 int align
, int colour
, char *text
)
166 * Find or create the font.
168 for (i
= 0; i
< fe
->nfonts
; i
++)
169 if (fe
->fonts
[i
].type
== fonttype
&& fe
->fonts
[i
].size
== fontsize
)
172 if (i
== fe
->nfonts
) {
173 if (fe
->fontsize
<= fe
->nfonts
) {
174 fe
->fontsize
= fe
->nfonts
+ 10;
175 fe
->fonts
= sresize(fe
->fonts
, fe
->fontsize
, struct font
);
180 fe
->fonts
[i
].type
= fonttype
;
181 fe
->fonts
[i
].size
= fontsize
;
185 * Use Pango to find the closest match to the requested
189 PangoFontDescription
*fd
;
191 fd
= pango_font_description_new();
192 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
193 pango_font_description_set_family(fd
, fonttype
== FONT_FIXED ?
194 "Monospace" : "Sans");
195 pango_font_description_set_weight(fd
, PANGO_WEIGHT_BOLD
);
197 * I found some online Pango documentation which
198 * described a function called
199 * pango_font_description_set_absolute_size(), which is
200 * _exactly_ what I want here. Unfortunately, none of
201 * my local Pango installations have it (presumably
202 * they're too old), so I'm going to have to hack round
203 * it by figuring out the point size myself. This
204 * limits me to X and probably also breaks in later
205 * Pango installations, so ideally I should add another
206 * CHECK_VERSION type ifdef and use set_absolute_size
207 * where available. All very annoying.
209 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
210 pango_font_description_set_absolute_size(fd
, PANGO_SCALE
*fontsize
);
213 Display
*d
= GDK_DISPLAY();
214 int s
= DefaultScreen(d
);
216 (PANGO_SCALE
* 72.27 / 25.4) *
217 ((double) DisplayWidthMM(d
, s
) / DisplayWidth (d
, s
));
218 pango_font_description_set_size(fd
, resolution
* fontsize
);
221 fe
->fonts
[i
].desc
= fd
;
226 * In GTK 1.2, I don't know of any plausible way to
227 * pick a suitable font, so I'm just going to be
230 fe
->fonts
[i
].font
= gdk_font_load(fonttype
== FONT_FIXED ?
231 "fixed" : "variable");
239 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
250 layout
= pango_layout_new(gtk_widget_get_pango_context(fe
->area
));
251 pango_layout_set_font_description(layout
, fe
->fonts
[i
].desc
);
252 pango_layout_set_text(layout
, text
, strlen(text
));
253 pango_layout_get_pixel_extents(layout
, NULL
, &rect
);
255 if (align
& ALIGN_VCENTRE
)
256 rect
.y
-= rect
.height
/ 2;
258 if (align
& ALIGN_HCENTRE
)
259 rect
.x
-= rect
.width
/ 2;
260 else if (align
& ALIGN_HRIGHT
)
261 rect
.x
-= rect
.width
;
263 gdk_draw_layout(fe
->pixmap
, fe
->gc
, rect
.x
+ x
, rect
.y
+ y
, layout
);
265 g_object_unref(layout
);
270 * Find string dimensions and process alignment.
273 int lb
, rb
, wid
, asc
, desc
;
276 * Measure vertical string extents with respect to the same
279 gdk_string_extents(fe
->fonts
[i
].font
,
280 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
281 &lb
, &rb
, &wid
, &asc
, &desc
);
282 if (align
& ALIGN_VCENTRE
)
283 y
+= asc
- (asc
+desc
)/2;
286 * ... but horizontal extents with respect to the provided
287 * string. This means that multiple pieces of text centred
288 * on the same y-coordinate don't have different baselines.
290 gdk_string_extents(fe
->fonts
[i
].font
, text
,
291 &lb
, &rb
, &wid
, &asc
, &desc
);
293 if (align
& ALIGN_HCENTRE
)
295 else if (align
& ALIGN_HRIGHT
)
301 * Actually draw the text.
303 gdk_draw_string(fe
->pixmap
, fe
->fonts
[i
].font
, fe
->gc
, x
, y
, text
);
308 void draw_rect(frontend
*fe
, int x
, int y
, int w
, int h
, int colour
)
310 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
311 gdk_draw_rectangle(fe
->pixmap
, fe
->gc
, 1, x
, y
, w
, h
);
314 void draw_line(frontend
*fe
, int x1
, int y1
, int x2
, int y2
, int colour
)
316 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
317 gdk_draw_line(fe
->pixmap
, fe
->gc
, x1
, y1
, x2
, y2
);
320 void draw_polygon(frontend
*fe
, int *coords
, int npoints
,
321 int fill
, int colour
)
323 GdkPoint
*points
= snewn(npoints
, GdkPoint
);
326 for (i
= 0; i
< npoints
; i
++) {
327 points
[i
].x
= coords
[i
*2];
328 points
[i
].y
= coords
[i
*2+1];
331 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
332 gdk_draw_polygon(fe
->pixmap
, fe
->gc
, fill
, points
, npoints
);
337 void draw_update(frontend
*fe
, int x
, int y
, int w
, int h
)
339 if (fe
->bbox_l
> x
) fe
->bbox_l
= x
;
340 if (fe
->bbox_r
< x
+w
) fe
->bbox_r
= x
+w
;
341 if (fe
->bbox_u
> y
) fe
->bbox_u
= y
;
342 if (fe
->bbox_d
< y
+h
) fe
->bbox_d
= y
+h
;
345 void end_draw(frontend
*fe
)
347 gdk_gc_unref(fe
->gc
);
350 if (fe
->bbox_l
< fe
->bbox_r
&& fe
->bbox_u
< fe
->bbox_d
) {
351 gdk_draw_pixmap(fe
->area
->window
,
352 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
354 fe
->bbox_l
, fe
->bbox_u
,
355 fe
->ox
+ fe
->bbox_l
, fe
->oy
+ fe
->bbox_u
,
356 fe
->bbox_r
- fe
->bbox_l
, fe
->bbox_d
- fe
->bbox_u
);
360 static void destroy(GtkWidget
*widget
, gpointer data
)
362 frontend
*fe
= (frontend
*)data
;
363 deactivate_timer(fe
);
367 static gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
369 frontend
*fe
= (frontend
*)data
;
371 int shift
= (event
->state
& GDK_SHIFT_MASK
) ? MOD_SHFT
: 0;
372 int ctrl
= (event
->state
& GDK_CONTROL_MASK
) ? MOD_CTRL
: 0;
377 if (event
->keyval
== GDK_Up
)
378 keyval
= shift
| ctrl
| CURSOR_UP
;
379 else if (event
->keyval
== GDK_KP_Up
|| event
->keyval
== GDK_KP_8
)
380 keyval
= MOD_NUM_KEYPAD
| '8';
381 else if (event
->keyval
== GDK_Down
)
382 keyval
= shift
| ctrl
| CURSOR_DOWN
;
383 else if (event
->keyval
== GDK_KP_Down
|| event
->keyval
== GDK_KP_2
)
384 keyval
= MOD_NUM_KEYPAD
| '2';
385 else if (event
->keyval
== GDK_Left
)
386 keyval
= shift
| ctrl
| CURSOR_LEFT
;
387 else if (event
->keyval
== GDK_KP_Left
|| event
->keyval
== GDK_KP_4
)
388 keyval
= MOD_NUM_KEYPAD
| '4';
389 else if (event
->keyval
== GDK_Right
)
390 keyval
= shift
| ctrl
| CURSOR_RIGHT
;
391 else if (event
->keyval
== GDK_KP_Right
|| event
->keyval
== GDK_KP_6
)
392 keyval
= MOD_NUM_KEYPAD
| '6';
393 else if (event
->keyval
== GDK_KP_Home
|| event
->keyval
== GDK_KP_7
)
394 keyval
= MOD_NUM_KEYPAD
| '7';
395 else if (event
->keyval
== GDK_KP_End
|| event
->keyval
== GDK_KP_1
)
396 keyval
= MOD_NUM_KEYPAD
| '1';
397 else if (event
->keyval
== GDK_KP_Page_Up
|| event
->keyval
== GDK_KP_9
)
398 keyval
= MOD_NUM_KEYPAD
| '9';
399 else if (event
->keyval
== GDK_KP_Page_Down
|| event
->keyval
== GDK_KP_3
)
400 keyval
= MOD_NUM_KEYPAD
| '3';
401 else if (event
->keyval
== GDK_KP_Insert
|| event
->keyval
== GDK_KP_0
)
402 keyval
= MOD_NUM_KEYPAD
| '0';
403 else if (event
->keyval
== GDK_KP_Begin
|| event
->keyval
== GDK_KP_5
)
404 keyval
= MOD_NUM_KEYPAD
| '5';
405 else if (event
->string
[0] && !event
->string
[1])
406 keyval
= (unsigned char)event
->string
[0];
411 !midend_process_key(fe
->me
, 0, 0, keyval
))
412 gtk_widget_destroy(fe
->window
);
417 static gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
,
420 frontend
*fe
= (frontend
*)data
;
426 if (event
->type
!= GDK_BUTTON_PRESS
&& event
->type
!= GDK_BUTTON_RELEASE
)
429 if (event
->button
== 2 || (event
->state
& GDK_SHIFT_MASK
))
430 button
= MIDDLE_BUTTON
;
431 else if (event
->button
== 3 || (event
->state
& GDK_MOD1_MASK
))
432 button
= RIGHT_BUTTON
;
433 else if (event
->button
== 1)
434 button
= LEFT_BUTTON
;
436 return FALSE
; /* don't even know what button! */
438 if (event
->type
== GDK_BUTTON_RELEASE
)
439 button
+= LEFT_RELEASE
- LEFT_BUTTON
;
441 if (!midend_process_key(fe
->me
, event
->x
- fe
->ox
,
442 event
->y
- fe
->oy
, button
))
443 gtk_widget_destroy(fe
->window
);
448 static gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
,
451 frontend
*fe
= (frontend
*)data
;
457 if (event
->state
& (GDK_BUTTON2_MASK
| GDK_SHIFT_MASK
))
458 button
= MIDDLE_DRAG
;
459 else if (event
->state
& GDK_BUTTON1_MASK
)
461 else if (event
->state
& GDK_BUTTON3_MASK
)
464 return FALSE
; /* don't even know what button! */
466 if (!midend_process_key(fe
->me
, event
->x
- fe
->ox
,
467 event
->y
- fe
->oy
, button
))
468 gtk_widget_destroy(fe
->window
);
473 static gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
,
476 frontend
*fe
= (frontend
*)data
;
479 gdk_draw_pixmap(widget
->window
,
480 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
482 event
->area
.x
- fe
->ox
, event
->area
.y
- fe
->oy
,
483 event
->area
.x
, event
->area
.y
,
484 event
->area
.width
, event
->area
.height
);
489 static gint
map_window(GtkWidget
*widget
, GdkEvent
*event
,
492 frontend
*fe
= (frontend
*)data
;
495 * Apparently we need to do this because otherwise the status
496 * bar will fail to update immediately. Annoying, but there we
499 gtk_widget_queue_draw(fe
->window
);
504 static gint
configure_area(GtkWidget
*widget
,
505 GdkEventConfigure
*event
, gpointer data
)
507 frontend
*fe
= (frontend
*)data
;
512 gdk_pixmap_unref(fe
->pixmap
);
514 x
= fe
->w
= event
->width
;
515 y
= fe
->h
= event
->height
;
516 midend_size(fe
->me
, &x
, &y
, TRUE
);
519 fe
->ox
= (fe
->w
- fe
->pw
) / 2;
520 fe
->oy
= (fe
->h
- fe
->ph
) / 2;
522 fe
->pixmap
= gdk_pixmap_new(widget
->window
, fe
->pw
, fe
->ph
, -1);
524 gc
= gdk_gc_new(fe
->area
->window
);
525 gdk_gc_set_foreground(gc
, &fe
->colours
[0]);
526 gdk_draw_rectangle(fe
->pixmap
, gc
, 1, 0, 0, fe
->pw
, fe
->ph
);
529 midend_force_redraw(fe
->me
);
534 static gint
timer_func(gpointer data
)
536 frontend
*fe
= (frontend
*)data
;
538 if (fe
->timer_active
) {
541 gettimeofday(&now
, NULL
);
542 elapsed
= ((now
.tv_usec
- fe
->last_time
.tv_usec
) * 0.000001F
+
543 (now
.tv_sec
- fe
->last_time
.tv_sec
));
544 midend_timer(fe
->me
, elapsed
); /* may clear timer_active */
548 return fe
->timer_active
;
551 void deactivate_timer(frontend
*fe
)
553 if (fe
->timer_active
)
554 gtk_timeout_remove(fe
->timer_id
);
555 fe
->timer_active
= FALSE
;
558 void activate_timer(frontend
*fe
)
560 if (!fe
->timer_active
) {
561 fe
->timer_id
= gtk_timeout_add(20, timer_func
, fe
);
562 gettimeofday(&fe
->last_time
, NULL
);
564 fe
->timer_active
= TRUE
;
567 static void window_destroy(GtkWidget
*widget
, gpointer data
)
572 static void errmsg_button_clicked(GtkButton
*button
, gpointer data
)
574 gtk_widget_destroy(GTK_WIDGET(data
));
577 static int win_key_press(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
579 GtkObject
*cancelbutton
= GTK_OBJECT(data
);
582 * `Escape' effectively clicks the cancel button
584 if (event
->keyval
== GDK_Escape
) {
585 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton
), "clicked");
592 void message_box(GtkWidget
*parent
, char *title
, char *msg
, int centre
)
594 GtkWidget
*window
, *hbox
, *text
, *ok
;
596 window
= gtk_dialog_new();
597 text
= gtk_label_new(msg
);
598 gtk_misc_set_alignment(GTK_MISC(text
), 0.0, 0.0);
599 hbox
= gtk_hbox_new(FALSE
, 0);
600 gtk_box_pack_start(GTK_BOX(hbox
), text
, FALSE
, FALSE
, 20);
601 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window
)->vbox
),
602 hbox
, FALSE
, FALSE
, 20);
603 gtk_widget_show(text
);
604 gtk_widget_show(hbox
);
605 gtk_window_set_title(GTK_WINDOW(window
), title
);
606 gtk_label_set_line_wrap(GTK_LABEL(text
), TRUE
);
607 ok
= gtk_button_new_with_label("OK");
608 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window
)->action_area
),
609 ok
, FALSE
, FALSE
, 0);
611 GTK_WIDGET_SET_FLAGS(ok
, GTK_CAN_DEFAULT
);
612 gtk_window_set_default(GTK_WINDOW(window
), ok
);
613 gtk_signal_connect(GTK_OBJECT(ok
), "clicked",
614 GTK_SIGNAL_FUNC(errmsg_button_clicked
), window
);
615 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
616 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
617 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
618 GTK_SIGNAL_FUNC(win_key_press
), ok
);
619 gtk_window_set_modal(GTK_WINDOW(window
), TRUE
);
620 gtk_window_set_transient_for(GTK_WINDOW(window
), GTK_WINDOW(parent
));
621 /* set_transient_window_pos(parent, window); */
622 gtk_widget_show(window
);
626 void error_box(GtkWidget
*parent
, char *msg
)
628 message_box(parent
, "Error", msg
, FALSE
);
631 static void config_ok_button_clicked(GtkButton
*button
, gpointer data
)
633 frontend
*fe
= (frontend
*)data
;
636 err
= midend_set_config(fe
->me
, fe
->cfg_which
, fe
->cfg
);
639 error_box(fe
->cfgbox
, err
);
642 gtk_widget_destroy(fe
->cfgbox
);
646 static void config_cancel_button_clicked(GtkButton
*button
, gpointer data
)
648 frontend
*fe
= (frontend
*)data
;
650 gtk_widget_destroy(fe
->cfgbox
);
653 static int editbox_key(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
656 * GtkEntry has a nasty habit of eating the Return key, which
657 * is unhelpful since it doesn't actually _do_ anything with it
658 * (it calls gtk_widget_activate, but our edit boxes never need
659 * activating). So I catch Return before GtkEntry sees it, and
660 * pass it straight on to the parent widget. Effect: hitting
661 * Return in an edit box will now activate the default button
662 * in the dialog just like it will everywhere else.
664 if (event
->keyval
== GDK_Return
&& widget
->parent
!= NULL
) {
666 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget
), "key_press_event");
667 gtk_signal_emit_by_name(GTK_OBJECT(widget
->parent
), "key_press_event",
674 static void editbox_changed(GtkEditable
*ed
, gpointer data
)
676 config_item
*i
= (config_item
*)data
;
679 i
->sval
= dupstr(gtk_entry_get_text(GTK_ENTRY(ed
)));
682 static void button_toggled(GtkToggleButton
*tb
, gpointer data
)
684 config_item
*i
= (config_item
*)data
;
686 i
->ival
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb
));
689 static void droplist_sel(GtkMenuItem
*item
, gpointer data
)
691 config_item
*i
= (config_item
*)data
;
693 i
->ival
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
697 static int get_config(frontend
*fe
, int which
)
699 GtkWidget
*w
, *table
, *cancel
;
704 fe
->cfg
= midend_get_config(fe
->me
, which
, &title
);
705 fe
->cfg_which
= which
;
708 fe
->cfgbox
= gtk_dialog_new();
709 gtk_window_set_title(GTK_WINDOW(fe
->cfgbox
), title
);
712 w
= gtk_button_new_with_label("OK");
713 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
716 GTK_WIDGET_SET_FLAGS(w
, GTK_CAN_DEFAULT
);
717 gtk_window_set_default(GTK_WINDOW(fe
->cfgbox
), w
);
718 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
719 GTK_SIGNAL_FUNC(config_ok_button_clicked
), fe
);
721 w
= gtk_button_new_with_label("Cancel");
722 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
725 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
726 GTK_SIGNAL_FUNC(config_cancel_button_clicked
), fe
);
729 table
= gtk_table_new(1, 2, FALSE
);
731 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->vbox
),
732 table
, FALSE
, FALSE
, 0);
733 gtk_widget_show(table
);
735 for (i
= fe
->cfg
; i
->type
!= C_END
; i
++) {
736 gtk_table_resize(GTK_TABLE(table
), y
+1, 2);
741 * Edit box with a label beside it.
744 w
= gtk_label_new(i
->name
);
745 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
746 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
747 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
748 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
753 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
754 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
755 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
757 gtk_entry_set_text(GTK_ENTRY(w
), i
->sval
);
758 gtk_signal_connect(GTK_OBJECT(w
), "changed",
759 GTK_SIGNAL_FUNC(editbox_changed
), i
);
760 gtk_signal_connect(GTK_OBJECT(w
), "key_press_event",
761 GTK_SIGNAL_FUNC(editbox_key
), NULL
);
770 w
= gtk_check_button_new_with_label(i
->name
);
771 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
772 GTK_SIGNAL_FUNC(button_toggled
), i
);
773 gtk_table_attach(GTK_TABLE(table
), w
, 0, 2, y
, y
+1,
774 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
775 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
777 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w
), i
->ival
);
783 * Drop-down list (GtkOptionMenu).
786 w
= gtk_label_new(i
->name
);
787 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
788 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
789 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
790 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
794 w
= gtk_option_menu_new();
795 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
796 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
797 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
805 GtkWidget
*menu
= gtk_menu_new();
807 gtk_option_menu_set_menu(GTK_OPTION_MENU(w
), menu
);
815 while (*q
&& *q
!= c
)
818 name
= snewn(q
-p
+1, char);
819 strncpy(name
, p
, q
-p
);
822 if (*q
) q
++; /* eat delimiter */
824 menuitem
= gtk_menu_item_new_with_label(name
);
825 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
826 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
827 GINT_TO_POINTER(val
));
828 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
829 GTK_SIGNAL_FUNC(droplist_sel
), i
);
830 gtk_widget_show(menuitem
);
837 gtk_option_menu_set_history(GTK_OPTION_MENU(w
), i
->ival
);
846 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "destroy",
847 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
848 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "key_press_event",
849 GTK_SIGNAL_FUNC(win_key_press
), cancel
);
850 gtk_window_set_modal(GTK_WINDOW(fe
->cfgbox
), TRUE
);
851 gtk_window_set_transient_for(GTK_WINDOW(fe
->cfgbox
),
852 GTK_WINDOW(fe
->window
));
853 /* set_transient_window_pos(fe->window, fe->cfgbox); */
854 gtk_widget_show(fe
->cfgbox
);
862 static void menu_key_event(GtkMenuItem
*menuitem
, gpointer data
)
864 frontend
*fe
= (frontend
*)data
;
865 int key
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
867 if (!midend_process_key(fe
->me
, 0, 0, key
))
868 gtk_widget_destroy(fe
->window
);
871 static void get_size(frontend
*fe
, int *px
, int *py
)
876 * Currently I don't want to make the GTK port scale large
877 * puzzles to fit on the screen. This is because X does permit
878 * extremely large windows and many window managers provide a
879 * means of navigating round them, and the users I consulted
880 * before deciding said that they'd rather have enormous puzzle
881 * windows spanning multiple screen pages than have them
882 * shrunk. I could change my mind later or introduce
883 * configurability; this would be the place to do so, by
884 * replacing the initial values of x and y with the screen
889 midend_size(fe
->me
, &x
, &y
, FALSE
);
894 #if !GTK_CHECK_VERSION(2,0,0)
895 #define gtk_window_resize(win, x, y) \
896 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
899 static void menu_preset_event(GtkMenuItem
*menuitem
, gpointer data
)
901 frontend
*fe
= (frontend
*)data
;
902 game_params
*params
=
903 (game_params
*)gtk_object_get_data(GTK_OBJECT(menuitem
), "user-data");
906 midend_set_params(fe
->me
, params
);
907 midend_new_game(fe
->me
);
908 get_size(fe
, &x
, &y
);
911 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
912 gtk_window_resize(GTK_WINDOW(fe
->window
), 1, 1);
915 GdkAtom compound_text_atom
, utf8_string_atom
;
916 int paste_initialised
= FALSE
;
920 unsigned char empty
[] = { 0 };
922 if (paste_initialised
)
925 if (!compound_text_atom
)
926 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
927 if (!utf8_string_atom
)
928 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
931 * Ensure that all the cut buffers exist - according to the
932 * ICCCM, we must do this before we start using cut buffers.
934 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
935 XA_CUT_BUFFER0
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
936 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
937 XA_CUT_BUFFER1
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
938 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
939 XA_CUT_BUFFER2
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
940 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
941 XA_CUT_BUFFER3
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
942 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
943 XA_CUT_BUFFER4
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
944 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
945 XA_CUT_BUFFER5
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
946 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
947 XA_CUT_BUFFER6
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
948 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
949 XA_CUT_BUFFER7
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
952 /* Store data in a cut-buffer. */
953 void store_cutbuffer(char *ptr
, int len
)
955 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
956 XRotateBuffers(GDK_DISPLAY(), 1);
957 XStoreBytes(GDK_DISPLAY(), ptr
, len
);
960 void write_clip(frontend
*fe
, char *data
)
965 sfree(fe
->paste_data
);
968 * For this simple application we can safely assume that the
969 * data passed to this function is pure ASCII, which means we
970 * can return precisely the same stuff for types STRING,
971 * COMPOUND_TEXT or UTF8_STRING.
974 fe
->paste_data
= data
;
975 fe
->paste_data_len
= strlen(data
);
977 store_cutbuffer(fe
->paste_data
, fe
->paste_data_len
);
979 if (gtk_selection_owner_set(fe
->area
, GDK_SELECTION_PRIMARY
,
981 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
982 GDK_SELECTION_TYPE_STRING
, 1);
983 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
984 compound_text_atom
, 1);
985 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
986 utf8_string_atom
, 1);
990 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
991 guint info
, guint time_stamp
, gpointer data
)
993 frontend
*fe
= (frontend
*)data
;
994 gtk_selection_data_set(seldata
, seldata
->target
, 8,
995 fe
->paste_data
, fe
->paste_data_len
);
998 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
1001 frontend
*fe
= (frontend
*)data
;
1004 sfree(fe
->paste_data
);
1005 fe
->paste_data
= NULL
;
1006 fe
->paste_data_len
= 0;
1010 static void menu_copy_event(GtkMenuItem
*menuitem
, gpointer data
)
1012 frontend
*fe
= (frontend
*)data
;
1015 text
= midend_text_format(fe
->me
);
1018 write_clip(fe
, text
);
1024 static void menu_solve_event(GtkMenuItem
*menuitem
, gpointer data
)
1026 frontend
*fe
= (frontend
*)data
;
1029 msg
= midend_solve(fe
->me
);
1032 error_box(fe
->window
, msg
);
1035 static void menu_restart_event(GtkMenuItem
*menuitem
, gpointer data
)
1037 frontend
*fe
= (frontend
*)data
;
1039 midend_restart_game(fe
->me
);
1042 static void menu_config_event(GtkMenuItem
*menuitem
, gpointer data
)
1044 frontend
*fe
= (frontend
*)data
;
1045 int which
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
1049 if (!get_config(fe
, which
))
1052 midend_new_game(fe
->me
);
1053 get_size(fe
, &x
, &y
);
1056 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1057 gtk_window_resize(GTK_WINDOW(fe
->window
), 1, 1);
1060 static void menu_about_event(GtkMenuItem
*menuitem
, gpointer data
)
1062 frontend
*fe
= (frontend
*)data
;
1066 sprintf(titlebuf
, "About %.200s", thegame
.name
);
1069 "from Simon Tatham's Portable Puzzle Collection\n\n"
1070 "%.500s", thegame
.name
, ver
);
1072 message_box(fe
->window
, titlebuf
, textbuf
, TRUE
);
1075 static GtkWidget
*add_menu_item_with_key(frontend
*fe
, GtkContainer
*cont
,
1076 char *text
, int key
)
1078 GtkWidget
*menuitem
= gtk_menu_item_new_with_label(text
);
1079 gtk_container_add(cont
, menuitem
);
1080 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1081 GINT_TO_POINTER(key
));
1082 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1083 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
1084 gtk_widget_show(menuitem
);
1088 static void add_menu_separator(GtkContainer
*cont
)
1090 GtkWidget
*menuitem
= gtk_menu_item_new();
1091 gtk_container_add(cont
, menuitem
);
1092 gtk_widget_show(menuitem
);
1095 static frontend
*new_window(char *game_id
, char **error
)
1099 GtkWidget
*menubar
, *menu
, *menuitem
;
1102 fe
= snew(frontend
);
1104 fe
->timer_active
= FALSE
;
1107 fe
->me
= midend_new(fe
, &thegame
);
1110 *error
= midend_game_id(fe
->me
, game_id
);
1112 midend_free(fe
->me
);
1117 midend_new_game(fe
->me
);
1119 fe
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1120 gtk_window_set_title(GTK_WINDOW(fe
->window
), thegame
.name
);
1122 gtk_window_set_resizable(GTK_WINDOW(fe
->window
), FALSE
);
1124 gtk_window_set_policy(GTK_WINDOW(fe
->window
), FALSE
, FALSE
, TRUE
);
1126 vbox
= GTK_BOX(gtk_vbox_new(FALSE
, 0));
1127 gtk_container_add(GTK_CONTAINER(fe
->window
), GTK_WIDGET(vbox
));
1128 gtk_widget_show(GTK_WIDGET(vbox
));
1130 menubar
= gtk_menu_bar_new();
1131 gtk_box_pack_start(vbox
, menubar
, FALSE
, FALSE
, 0);
1132 gtk_widget_show(menubar
);
1134 menuitem
= gtk_menu_item_new_with_label("Game");
1135 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1136 gtk_widget_show(menuitem
);
1138 menu
= gtk_menu_new();
1139 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1141 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "New", 'n');
1143 menuitem
= gtk_menu_item_new_with_label("Restart");
1144 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1145 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1146 GTK_SIGNAL_FUNC(menu_restart_event
), fe
);
1147 gtk_widget_show(menuitem
);
1149 menuitem
= gtk_menu_item_new_with_label("Specific...");
1150 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1151 GINT_TO_POINTER(CFG_DESC
));
1152 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1153 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1154 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1155 gtk_widget_show(menuitem
);
1157 menuitem
= gtk_menu_item_new_with_label("Random Seed...");
1158 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1159 GINT_TO_POINTER(CFG_SEED
));
1160 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1161 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1162 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1163 gtk_widget_show(menuitem
);
1165 if ((n
= midend_num_presets(fe
->me
)) > 0 || thegame
.can_configure
) {
1169 menuitem
= gtk_menu_item_new_with_label("Type");
1170 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1171 gtk_widget_show(menuitem
);
1173 submenu
= gtk_menu_new();
1174 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), submenu
);
1176 for (i
= 0; i
< n
; i
++) {
1178 game_params
*params
;
1180 midend_fetch_preset(fe
->me
, i
, &name
, ¶ms
);
1182 menuitem
= gtk_menu_item_new_with_label(name
);
1183 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1184 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data", params
);
1185 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1186 GTK_SIGNAL_FUNC(menu_preset_event
), fe
);
1187 gtk_widget_show(menuitem
);
1190 if (thegame
.can_configure
) {
1191 menuitem
= gtk_menu_item_new_with_label("Custom...");
1192 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1193 GPOINTER_TO_INT(CFG_SETTINGS
));
1194 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1195 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1196 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1197 gtk_widget_show(menuitem
);
1201 add_menu_separator(GTK_CONTAINER(menu
));
1202 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Undo", 'u');
1203 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Redo", '\x12');
1204 if (thegame
.can_format_as_text
) {
1205 add_menu_separator(GTK_CONTAINER(menu
));
1206 menuitem
= gtk_menu_item_new_with_label("Copy");
1207 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1208 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1209 GTK_SIGNAL_FUNC(menu_copy_event
), fe
);
1210 gtk_widget_show(menuitem
);
1212 if (thegame
.can_solve
) {
1213 add_menu_separator(GTK_CONTAINER(menu
));
1214 menuitem
= gtk_menu_item_new_with_label("Solve");
1215 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1216 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1217 GTK_SIGNAL_FUNC(menu_solve_event
), fe
);
1218 gtk_widget_show(menuitem
);
1220 add_menu_separator(GTK_CONTAINER(menu
));
1221 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Exit", 'q');
1223 menuitem
= gtk_menu_item_new_with_label("Help");
1224 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1225 gtk_widget_show(menuitem
);
1227 menu
= gtk_menu_new();
1228 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1230 menuitem
= gtk_menu_item_new_with_label("About");
1231 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1232 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1233 GTK_SIGNAL_FUNC(menu_about_event
), fe
);
1234 gtk_widget_show(menuitem
);
1241 fe
->colmap
= gdk_colormap_get_system();
1242 colours
= midend_colours(fe
->me
, &ncolours
);
1243 fe
->ncolours
= ncolours
;
1244 fe
->colours
= snewn(ncolours
, GdkColor
);
1245 for (i
= 0; i
< ncolours
; i
++) {
1246 fe
->colours
[i
].red
= colours
[i
*3] * 0xFFFF;
1247 fe
->colours
[i
].green
= colours
[i
*3+1] * 0xFFFF;
1248 fe
->colours
[i
].blue
= colours
[i
*3+2] * 0xFFFF;
1250 success
= snewn(ncolours
, gboolean
);
1251 gdk_colormap_alloc_colors(fe
->colmap
, fe
->colours
, ncolours
,
1252 FALSE
, FALSE
, success
);
1253 for (i
= 0; i
< ncolours
; i
++) {
1255 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1256 i
, fe
->colours
[i
].red
>> 8,
1257 fe
->colours
[i
].green
>> 8,
1258 fe
->colours
[i
].blue
>> 8);
1262 if (midend_wants_statusbar(fe
->me
)) {
1263 GtkWidget
*viewport
;
1266 viewport
= gtk_viewport_new(NULL
, NULL
);
1267 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport
), GTK_SHADOW_NONE
);
1268 fe
->statusbar
= gtk_statusbar_new();
1269 gtk_container_add(GTK_CONTAINER(viewport
), fe
->statusbar
);
1270 gtk_widget_show(viewport
);
1271 gtk_box_pack_end(vbox
, viewport
, FALSE
, FALSE
, 0);
1272 gtk_widget_show(fe
->statusbar
);
1273 fe
->statusctx
= gtk_statusbar_get_context_id
1274 (GTK_STATUSBAR(fe
->statusbar
), "game");
1275 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
,
1277 gtk_widget_size_request(fe
->statusbar
, &req
);
1279 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1281 gtk_widget_set_usize(viewport
, -1, req
.height
);
1283 fe
->statusbar
= NULL
;
1285 fe
->area
= gtk_drawing_area_new();
1286 get_size(fe
, &x
, &y
);
1287 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1291 gtk_box_pack_end(vbox
, fe
->area
, TRUE
, TRUE
, 0);
1295 fe
->nfonts
= fe
->fontsize
= 0;
1297 fe
->laststatus
= NULL
;
1299 fe
->paste_data
= NULL
;
1300 fe
->paste_data_len
= 0;
1302 gtk_signal_connect(GTK_OBJECT(fe
->window
), "destroy",
1303 GTK_SIGNAL_FUNC(destroy
), fe
);
1304 gtk_signal_connect(GTK_OBJECT(fe
->window
), "key_press_event",
1305 GTK_SIGNAL_FUNC(key_event
), fe
);
1306 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_press_event",
1307 GTK_SIGNAL_FUNC(button_event
), fe
);
1308 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_release_event",
1309 GTK_SIGNAL_FUNC(button_event
), fe
);
1310 gtk_signal_connect(GTK_OBJECT(fe
->area
), "motion_notify_event",
1311 GTK_SIGNAL_FUNC(motion_event
), fe
);
1312 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_get",
1313 GTK_SIGNAL_FUNC(selection_get
), fe
);
1314 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_clear_event",
1315 GTK_SIGNAL_FUNC(selection_clear
), fe
);
1316 gtk_signal_connect(GTK_OBJECT(fe
->area
), "expose_event",
1317 GTK_SIGNAL_FUNC(expose_area
), fe
);
1318 gtk_signal_connect(GTK_OBJECT(fe
->window
), "map_event",
1319 GTK_SIGNAL_FUNC(map_window
), fe
);
1320 gtk_signal_connect(GTK_OBJECT(fe
->area
), "configure_event",
1321 GTK_SIGNAL_FUNC(configure_area
), fe
);
1323 gtk_widget_add_events(GTK_WIDGET(fe
->area
),
1324 GDK_BUTTON_PRESS_MASK
|
1325 GDK_BUTTON_RELEASE_MASK
|
1326 GDK_BUTTON_MOTION_MASK
);
1328 gtk_widget_show(fe
->area
);
1329 gtk_widget_show(fe
->window
);
1331 gdk_window_set_background(fe
->area
->window
, &fe
->colours
[0]);
1332 gdk_window_set_background(fe
->window
->window
, &fe
->colours
[0]);
1337 int main(int argc
, char **argv
)
1339 char *pname
= argv
[0];
1342 if (argc
> 1 && !strcmp(argv
[1], "--version")) {
1343 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1349 * Special standalone mode for generating puzzle IDs on the
1350 * command line. Useful for generating puzzles to be printed
1351 * out and solved offline (for puzzles where that even makes
1352 * sense - Solo, for example, is a lot more pencil-and-paper
1353 * friendly than Net!)
1357 * <puzzle-name> --generate [<n> [<params>]]
1359 * <n>, if present, is the number of puzzle IDs to generate.
1360 * <params>, if present, is the same type of parameter string
1361 * you would pass to the puzzle when running it in GUI mode,
1362 * including optional extras such as the expansion factor in
1363 * Rectangles and the difficulty level in Solo.
1365 * If you specify <params>, you must also specify <n> (although
1366 * you may specify it to be 1). Sorry; that was the
1367 * simplest-to-parse command-line syntax I came up with.
1369 if (argc
> 1 && !strcmp(argv
[1], "--generate")) {
1371 char *params
= NULL
, *seed
= NULL
;
1381 par
= thegame
.default_params();
1383 if ( (seed
= strchr(params
, '#')) != NULL
)
1385 thegame
.decode_params(par
, params
);
1387 if ((error
= thegame
.validate_params(par
)) != NULL
) {
1388 fprintf(stderr
, "%s: %s\n", pname
, error
);
1391 parstr
= thegame
.encode_params(par
, FALSE
);
1398 seedlen
= strlen(seed
);
1400 get_random_seed(&seeddata
, &seedlen
);
1402 rs
= random_init(seeddata
, seedlen
);
1406 game_aux_info
*aux
= NULL
;
1407 char *desc
= thegame
.new_desc(par
, rs
, &aux
, FALSE
);
1408 printf("%s:%s\n", parstr
, desc
);
1411 thegame
.free_aux_info(aux
);
1417 gtk_init(&argc
, &argv
);
1419 if (!new_window(argc
> 1 ? argv
[1] : NULL
, &error
)) {
1420 fprintf(stderr
, "%s: %s\n", pname
, error
);