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 struct timeval
*tvp
= snew(struct timeval
);
86 gettimeofday(tvp
, NULL
);
87 *randseed
= (void *)tvp
;
88 *randseedsize
= sizeof(struct timeval
);
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
)
103 assert(fe
->statusbar
);
105 rewritten
= midend_rewrite_statusbar(fe
->me
, text
);
106 gtk_statusbar_pop(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
);
107 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
, rewritten
);
111 void start_draw(frontend
*fe
)
113 fe
->gc
= gdk_gc_new(fe
->area
->window
);
120 void clip(frontend
*fe
, int x
, int y
, int w
, int h
)
129 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
132 void unclip(frontend
*fe
)
141 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
144 void draw_text(frontend
*fe
, int x
, int y
, int fonttype
, int fontsize
,
145 int align
, int colour
, char *text
)
150 * Find or create the font.
152 for (i
= 0; i
< fe
->nfonts
; i
++)
153 if (fe
->fonts
[i
].type
== fonttype
&& fe
->fonts
[i
].size
== fontsize
)
156 if (i
== fe
->nfonts
) {
157 if (fe
->fontsize
<= fe
->nfonts
) {
158 fe
->fontsize
= fe
->nfonts
+ 10;
159 fe
->fonts
= sresize(fe
->fonts
, fe
->fontsize
, struct font
);
164 fe
->fonts
[i
].type
= fonttype
;
165 fe
->fonts
[i
].size
= fontsize
;
167 #if GTK_CHECK_VERSION(2,0,0)
169 * Use Pango to find the closest match to the requested
173 PangoFontDescription
*fd
;
175 fd
= pango_font_description_new();
176 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
177 pango_font_description_set_family(fd
, fonttype
== FONT_FIXED ?
178 "Monospace" : "Sans");
179 pango_font_description_set_weight(fd
, PANGO_WEIGHT_BOLD
);
181 * I found some online Pango documentation which
182 * described a function called
183 * pango_font_description_set_absolute_size(), which is
184 * _exactly_ what I want here. Unfortunately, none of
185 * my local Pango installations have it (presumably
186 * they're too old), so I'm going to have to hack round
187 * it by figuring out the point size myself. This
188 * limits me to X and probably also breaks in later
189 * Pango installations, so ideally I should add another
190 * CHECK_VERSION type ifdef and use set_absolute_size
191 * where available. All very annoying.
193 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
194 pango_font_description_set_absolute_size(fd
, PANGO_SCALE
*fontsize
);
197 Display
*d
= GDK_DISPLAY();
198 int s
= DefaultScreen(d
);
200 (PANGO_SCALE
* 72.27 / 25.4) *
201 ((double) DisplayWidthMM(d
, s
) / DisplayWidth (d
, s
));
202 pango_font_description_set_size(fd
, resolution
* fontsize
);
205 fe
->fonts
[i
].font
= gdk_font_from_description(fd
);
206 pango_font_description_free(fd
);
209 if (!fe
->fonts
[i
].font
)
212 * In GTK 1.2, I don't know of any plausible way to
213 * pick a suitable font, so I'm just going to be
216 * This is also fallback code called if the Pango
217 * approach fails to find an appropriate font.
219 fe
->fonts
[i
].font
= gdk_font_load(fonttype
== FONT_FIXED ?
220 "fixed" : "variable");
224 * Find string dimensions and process alignment.
227 int lb
, rb
, wid
, asc
, desc
;
230 * Measure vertical string extents with respect to the same
233 gdk_string_extents(fe
->fonts
[i
].font
,
234 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
235 &lb
, &rb
, &wid
, &asc
, &desc
);
236 if (align
& ALIGN_VCENTRE
)
237 y
+= asc
- (asc
+desc
)/2;
240 * ... but horizontal extents with respect to the provided
241 * string. This means that multiple pieces of text centred
242 * on the same y-coordinate don't have different baselines.
244 gdk_string_extents(fe
->fonts
[i
].font
, text
,
245 &lb
, &rb
, &wid
, &asc
, &desc
);
247 if (align
& ALIGN_HCENTRE
)
249 else if (align
& ALIGN_HRIGHT
)
255 * Set colour and actually draw text.
257 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
258 gdk_draw_string(fe
->pixmap
, fe
->fonts
[i
].font
, fe
->gc
, x
, y
, text
);
261 void draw_rect(frontend
*fe
, int x
, int y
, int w
, int h
, int colour
)
263 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
264 gdk_draw_rectangle(fe
->pixmap
, fe
->gc
, 1, x
, y
, w
, h
);
267 void draw_line(frontend
*fe
, int x1
, int y1
, int x2
, int y2
, int colour
)
269 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
270 gdk_draw_line(fe
->pixmap
, fe
->gc
, x1
, y1
, x2
, y2
);
273 void draw_polygon(frontend
*fe
, int *coords
, int npoints
,
274 int fill
, int colour
)
276 GdkPoint
*points
= snewn(npoints
, GdkPoint
);
279 for (i
= 0; i
< npoints
; i
++) {
280 points
[i
].x
= coords
[i
*2];
281 points
[i
].y
= coords
[i
*2+1];
284 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
285 gdk_draw_polygon(fe
->pixmap
, fe
->gc
, fill
, points
, npoints
);
290 void draw_update(frontend
*fe
, int x
, int y
, int w
, int h
)
292 if (fe
->bbox_l
> x
) fe
->bbox_l
= x
;
293 if (fe
->bbox_r
< x
+w
) fe
->bbox_r
= x
+w
;
294 if (fe
->bbox_u
> y
) fe
->bbox_u
= y
;
295 if (fe
->bbox_d
< y
+h
) fe
->bbox_d
= y
+h
;
298 void end_draw(frontend
*fe
)
300 gdk_gc_unref(fe
->gc
);
303 if (fe
->bbox_l
< fe
->bbox_r
&& fe
->bbox_u
< fe
->bbox_d
) {
304 gdk_draw_pixmap(fe
->area
->window
,
305 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
307 fe
->bbox_l
, fe
->bbox_u
,
308 fe
->bbox_l
, fe
->bbox_u
,
309 fe
->bbox_r
- fe
->bbox_l
, fe
->bbox_d
- fe
->bbox_u
);
313 static void destroy(GtkWidget
*widget
, gpointer data
)
315 frontend
*fe
= (frontend
*)data
;
316 deactivate_timer(fe
);
320 static gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
322 frontend
*fe
= (frontend
*)data
;
324 int shift
= (event
->state
& GDK_SHIFT_MASK
) ? MOD_SHFT
: 0;
325 int ctrl
= (event
->state
& GDK_CONTROL_MASK
) ? MOD_CTRL
: 0;
330 if (event
->keyval
== GDK_Up
)
331 keyval
= shift
| ctrl
| CURSOR_UP
;
332 else if (event
->keyval
== GDK_KP_Up
|| event
->keyval
== GDK_KP_8
)
333 keyval
= MOD_NUM_KEYPAD
| '8';
334 else if (event
->keyval
== GDK_Down
)
335 keyval
= shift
| ctrl
| CURSOR_DOWN
;
336 else if (event
->keyval
== GDK_KP_Down
|| event
->keyval
== GDK_KP_2
)
337 keyval
= MOD_NUM_KEYPAD
| '2';
338 else if (event
->keyval
== GDK_Left
)
339 keyval
= shift
| ctrl
| CURSOR_LEFT
;
340 else if (event
->keyval
== GDK_KP_Left
|| event
->keyval
== GDK_KP_4
)
341 keyval
= MOD_NUM_KEYPAD
| '4';
342 else if (event
->keyval
== GDK_Right
)
343 keyval
= shift
| ctrl
| CURSOR_RIGHT
;
344 else if (event
->keyval
== GDK_KP_Right
|| event
->keyval
== GDK_KP_6
)
345 keyval
= MOD_NUM_KEYPAD
| '6';
346 else if (event
->keyval
== GDK_KP_Home
|| event
->keyval
== GDK_KP_7
)
347 keyval
= MOD_NUM_KEYPAD
| '7';
348 else if (event
->keyval
== GDK_KP_End
|| event
->keyval
== GDK_KP_1
)
349 keyval
= MOD_NUM_KEYPAD
| '1';
350 else if (event
->keyval
== GDK_KP_Page_Up
|| event
->keyval
== GDK_KP_9
)
351 keyval
= MOD_NUM_KEYPAD
| '9';
352 else if (event
->keyval
== GDK_KP_Page_Down
|| event
->keyval
== GDK_KP_3
)
353 keyval
= MOD_NUM_KEYPAD
| '3';
354 else if (event
->keyval
== GDK_KP_Insert
|| event
->keyval
== GDK_KP_0
)
355 keyval
= MOD_NUM_KEYPAD
| '0';
356 else if (event
->keyval
== GDK_KP_Begin
|| event
->keyval
== GDK_KP_5
)
357 keyval
= MOD_NUM_KEYPAD
| '5';
358 else if (event
->string
[0] && !event
->string
[1])
359 keyval
= (unsigned char)event
->string
[0];
364 !midend_process_key(fe
->me
, 0, 0, keyval
))
365 gtk_widget_destroy(fe
->window
);
370 static gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
,
373 frontend
*fe
= (frontend
*)data
;
379 if (event
->type
!= GDK_BUTTON_PRESS
&& event
->type
!= GDK_BUTTON_RELEASE
)
382 if (event
->button
== 2 || (event
->state
& GDK_SHIFT_MASK
))
383 button
= MIDDLE_BUTTON
;
384 else if (event
->button
== 1)
385 button
= LEFT_BUTTON
;
386 else if (event
->button
== 3)
387 button
= RIGHT_BUTTON
;
389 return FALSE
; /* don't even know what button! */
391 if (event
->type
== GDK_BUTTON_RELEASE
)
392 button
+= LEFT_RELEASE
- LEFT_BUTTON
;
394 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
395 gtk_widget_destroy(fe
->window
);
400 static gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
,
403 frontend
*fe
= (frontend
*)data
;
409 if (event
->state
& (GDK_BUTTON2_MASK
| GDK_SHIFT_MASK
))
410 button
= MIDDLE_DRAG
;
411 else if (event
->state
& GDK_BUTTON1_MASK
)
413 else if (event
->state
& GDK_BUTTON3_MASK
)
416 return FALSE
; /* don't even know what button! */
418 if (!midend_process_key(fe
->me
, event
->x
, event
->y
, button
))
419 gtk_widget_destroy(fe
->window
);
424 static gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
,
427 frontend
*fe
= (frontend
*)data
;
430 gdk_draw_pixmap(widget
->window
,
431 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
433 event
->area
.x
, event
->area
.y
,
434 event
->area
.x
, event
->area
.y
,
435 event
->area
.width
, event
->area
.height
);
440 static gint
map_window(GtkWidget
*widget
, GdkEvent
*event
,
443 frontend
*fe
= (frontend
*)data
;
446 * Apparently we need to do this because otherwise the status
447 * bar will fail to update immediately. Annoying, but there we
450 gtk_widget_queue_draw(fe
->window
);
455 static gint
configure_area(GtkWidget
*widget
,
456 GdkEventConfigure
*event
, gpointer data
)
458 frontend
*fe
= (frontend
*)data
;
462 gdk_pixmap_unref(fe
->pixmap
);
464 fe
->pixmap
= gdk_pixmap_new(widget
->window
, fe
->w
, fe
->h
, -1);
466 gc
= gdk_gc_new(fe
->area
->window
);
467 gdk_gc_set_foreground(gc
, &fe
->colours
[0]);
468 gdk_draw_rectangle(fe
->pixmap
, gc
, 1, 0, 0, fe
->w
, fe
->h
);
471 midend_force_redraw(fe
->me
);
476 static gint
timer_func(gpointer data
)
478 frontend
*fe
= (frontend
*)data
;
480 if (fe
->timer_active
) {
483 gettimeofday(&now
, NULL
);
484 elapsed
= ((now
.tv_usec
- fe
->last_time
.tv_usec
) * 0.000001F
+
485 (now
.tv_sec
- fe
->last_time
.tv_sec
));
486 midend_timer(fe
->me
, elapsed
); /* may clear timer_active */
490 return fe
->timer_active
;
493 void deactivate_timer(frontend
*fe
)
495 if (fe
->timer_active
)
496 gtk_timeout_remove(fe
->timer_id
);
497 fe
->timer_active
= FALSE
;
500 void activate_timer(frontend
*fe
)
502 if (!fe
->timer_active
) {
503 fe
->timer_id
= gtk_timeout_add(20, timer_func
, fe
);
504 gettimeofday(&fe
->last_time
, NULL
);
506 fe
->timer_active
= TRUE
;
509 static void window_destroy(GtkWidget
*widget
, gpointer data
)
514 static void errmsg_button_clicked(GtkButton
*button
, gpointer data
)
516 gtk_widget_destroy(GTK_WIDGET(data
));
519 static int win_key_press(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
521 GtkObject
*cancelbutton
= GTK_OBJECT(data
);
524 * `Escape' effectively clicks the cancel button
526 if (event
->keyval
== GDK_Escape
) {
527 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton
), "clicked");
534 void message_box(GtkWidget
*parent
, char *title
, char *msg
, int centre
)
536 GtkWidget
*window
, *hbox
, *text
, *ok
;
538 window
= gtk_dialog_new();
539 text
= gtk_label_new(msg
);
540 gtk_misc_set_alignment(GTK_MISC(text
), 0.0, 0.0);
541 hbox
= gtk_hbox_new(FALSE
, 0);
542 gtk_box_pack_start(GTK_BOX(hbox
), text
, FALSE
, FALSE
, 20);
543 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window
)->vbox
),
544 hbox
, FALSE
, FALSE
, 20);
545 gtk_widget_show(text
);
546 gtk_widget_show(hbox
);
547 gtk_window_set_title(GTK_WINDOW(window
), title
);
548 gtk_label_set_line_wrap(GTK_LABEL(text
), TRUE
);
549 ok
= gtk_button_new_with_label("OK");
550 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window
)->action_area
),
551 ok
, FALSE
, FALSE
, 0);
553 GTK_WIDGET_SET_FLAGS(ok
, GTK_CAN_DEFAULT
);
554 gtk_window_set_default(GTK_WINDOW(window
), ok
);
555 gtk_signal_connect(GTK_OBJECT(ok
), "clicked",
556 GTK_SIGNAL_FUNC(errmsg_button_clicked
), window
);
557 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
558 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
559 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
560 GTK_SIGNAL_FUNC(win_key_press
), ok
);
561 gtk_window_set_modal(GTK_WINDOW(window
), TRUE
);
562 gtk_window_set_transient_for(GTK_WINDOW(window
), GTK_WINDOW(parent
));
563 //set_transient_window_pos(parent, window);
564 gtk_widget_show(window
);
568 void error_box(GtkWidget
*parent
, char *msg
)
570 message_box(parent
, "Error", msg
, FALSE
);
573 static void config_ok_button_clicked(GtkButton
*button
, gpointer data
)
575 frontend
*fe
= (frontend
*)data
;
578 err
= midend_set_config(fe
->me
, fe
->cfg_which
, fe
->cfg
);
581 error_box(fe
->cfgbox
, err
);
584 gtk_widget_destroy(fe
->cfgbox
);
588 static void config_cancel_button_clicked(GtkButton
*button
, gpointer data
)
590 frontend
*fe
= (frontend
*)data
;
592 gtk_widget_destroy(fe
->cfgbox
);
595 static int editbox_key(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
598 * GtkEntry has a nasty habit of eating the Return key, which
599 * is unhelpful since it doesn't actually _do_ anything with it
600 * (it calls gtk_widget_activate, but our edit boxes never need
601 * activating). So I catch Return before GtkEntry sees it, and
602 * pass it straight on to the parent widget. Effect: hitting
603 * Return in an edit box will now activate the default button
604 * in the dialog just like it will everywhere else.
606 if (event
->keyval
== GDK_Return
&& widget
->parent
!= NULL
) {
608 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget
), "key_press_event");
609 gtk_signal_emit_by_name(GTK_OBJECT(widget
->parent
), "key_press_event",
616 static void editbox_changed(GtkEditable
*ed
, gpointer data
)
618 config_item
*i
= (config_item
*)data
;
621 i
->sval
= dupstr(gtk_entry_get_text(GTK_ENTRY(ed
)));
624 static void button_toggled(GtkToggleButton
*tb
, gpointer data
)
626 config_item
*i
= (config_item
*)data
;
628 i
->ival
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb
));
631 static void droplist_sel(GtkMenuItem
*item
, gpointer data
)
633 config_item
*i
= (config_item
*)data
;
635 i
->ival
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
639 static int get_config(frontend
*fe
, int which
)
641 GtkWidget
*w
, *table
, *cancel
;
646 fe
->cfg
= midend_get_config(fe
->me
, which
, &title
);
647 fe
->cfg_which
= which
;
650 fe
->cfgbox
= gtk_dialog_new();
651 gtk_window_set_title(GTK_WINDOW(fe
->cfgbox
), title
);
654 w
= gtk_button_new_with_label("OK");
655 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
658 GTK_WIDGET_SET_FLAGS(w
, GTK_CAN_DEFAULT
);
659 gtk_window_set_default(GTK_WINDOW(fe
->cfgbox
), w
);
660 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
661 GTK_SIGNAL_FUNC(config_ok_button_clicked
), fe
);
663 w
= gtk_button_new_with_label("Cancel");
664 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
667 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
668 GTK_SIGNAL_FUNC(config_cancel_button_clicked
), fe
);
671 table
= gtk_table_new(1, 2, FALSE
);
673 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->vbox
),
674 table
, FALSE
, FALSE
, 0);
675 gtk_widget_show(table
);
677 for (i
= fe
->cfg
; i
->type
!= C_END
; i
++) {
678 gtk_table_resize(GTK_TABLE(table
), y
+1, 2);
683 * Edit box with a label beside it.
686 w
= gtk_label_new(i
->name
);
687 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
688 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
689 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
690 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
695 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
696 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
697 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
699 gtk_entry_set_text(GTK_ENTRY(w
), i
->sval
);
700 gtk_signal_connect(GTK_OBJECT(w
), "changed",
701 GTK_SIGNAL_FUNC(editbox_changed
), i
);
702 gtk_signal_connect(GTK_OBJECT(w
), "key_press_event",
703 GTK_SIGNAL_FUNC(editbox_key
), NULL
);
712 w
= gtk_check_button_new_with_label(i
->name
);
713 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
714 GTK_SIGNAL_FUNC(button_toggled
), i
);
715 gtk_table_attach(GTK_TABLE(table
), w
, 0, 2, y
, y
+1,
716 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
717 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
719 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w
), i
->ival
);
725 * Drop-down list (GtkOptionMenu).
728 w
= gtk_label_new(i
->name
);
729 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
730 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
731 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
732 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
736 w
= gtk_option_menu_new();
737 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
738 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
739 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
747 GtkWidget
*menu
= gtk_menu_new();
749 gtk_option_menu_set_menu(GTK_OPTION_MENU(w
), menu
);
757 while (*q
&& *q
!= c
)
760 name
= snewn(q
-p
+1, char);
761 strncpy(name
, p
, q
-p
);
764 if (*q
) q
++; /* eat delimiter */
766 menuitem
= gtk_menu_item_new_with_label(name
);
767 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
768 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
769 GINT_TO_POINTER(val
));
770 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
771 GTK_SIGNAL_FUNC(droplist_sel
), i
);
772 gtk_widget_show(menuitem
);
779 gtk_option_menu_set_history(GTK_OPTION_MENU(w
), i
->ival
);
788 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "destroy",
789 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
790 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "key_press_event",
791 GTK_SIGNAL_FUNC(win_key_press
), cancel
);
792 gtk_window_set_modal(GTK_WINDOW(fe
->cfgbox
), TRUE
);
793 gtk_window_set_transient_for(GTK_WINDOW(fe
->cfgbox
),
794 GTK_WINDOW(fe
->window
));
795 //set_transient_window_pos(fe->window, fe->cfgbox);
796 gtk_widget_show(fe
->cfgbox
);
804 static void menu_key_event(GtkMenuItem
*menuitem
, gpointer data
)
806 frontend
*fe
= (frontend
*)data
;
807 int key
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
809 if (!midend_process_key(fe
->me
, 0, 0, key
))
810 gtk_widget_destroy(fe
->window
);
813 static void menu_preset_event(GtkMenuItem
*menuitem
, gpointer data
)
815 frontend
*fe
= (frontend
*)data
;
816 game_params
*params
=
817 (game_params
*)gtk_object_get_data(GTK_OBJECT(menuitem
), "user-data");
820 midend_set_params(fe
->me
, params
);
821 midend_new_game(fe
->me
);
822 midend_size(fe
->me
, &x
, &y
);
823 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
828 GdkAtom compound_text_atom
, utf8_string_atom
;
829 int paste_initialised
= FALSE
;
833 if (paste_initialised
)
836 if (!compound_text_atom
)
837 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
838 if (!utf8_string_atom
)
839 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
842 * Ensure that all the cut buffers exist - according to the
843 * ICCCM, we must do this before we start using cut buffers.
845 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
846 XA_CUT_BUFFER0
, XA_STRING
, 8, PropModeAppend
, "", 0);
847 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
848 XA_CUT_BUFFER1
, XA_STRING
, 8, PropModeAppend
, "", 0);
849 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
850 XA_CUT_BUFFER2
, XA_STRING
, 8, PropModeAppend
, "", 0);
851 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
852 XA_CUT_BUFFER3
, XA_STRING
, 8, PropModeAppend
, "", 0);
853 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
854 XA_CUT_BUFFER4
, XA_STRING
, 8, PropModeAppend
, "", 0);
855 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
856 XA_CUT_BUFFER5
, XA_STRING
, 8, PropModeAppend
, "", 0);
857 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
858 XA_CUT_BUFFER6
, XA_STRING
, 8, PropModeAppend
, "", 0);
859 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
860 XA_CUT_BUFFER7
, XA_STRING
, 8, PropModeAppend
, "", 0);
863 /* Store data in a cut-buffer. */
864 void store_cutbuffer(char *ptr
, int len
)
866 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
867 XRotateBuffers(GDK_DISPLAY(), 1);
868 XStoreBytes(GDK_DISPLAY(), ptr
, len
);
871 void write_clip(frontend
*fe
, char *data
)
876 sfree(fe
->paste_data
);
879 * For this simple application we can safely assume that the
880 * data passed to this function is pure ASCII, which means we
881 * can return precisely the same stuff for types STRING,
882 * COMPOUND_TEXT or UTF8_STRING.
885 fe
->paste_data
= data
;
886 fe
->paste_data_len
= strlen(data
);
888 store_cutbuffer(fe
->paste_data
, fe
->paste_data_len
);
890 if (gtk_selection_owner_set(fe
->area
, GDK_SELECTION_PRIMARY
,
892 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
893 GDK_SELECTION_TYPE_STRING
, 1);
894 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
895 compound_text_atom
, 1);
896 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
897 utf8_string_atom
, 1);
901 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
902 guint info
, guint time_stamp
, gpointer data
)
904 frontend
*fe
= (frontend
*)data
;
905 gtk_selection_data_set(seldata
, seldata
->target
, 8,
906 fe
->paste_data
, fe
->paste_data_len
);
909 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
912 frontend
*fe
= (frontend
*)data
;
915 sfree(fe
->paste_data
);
916 fe
->paste_data
= NULL
;
917 fe
->paste_data_len
= 0;
921 static void menu_copy_event(GtkMenuItem
*menuitem
, gpointer data
)
923 frontend
*fe
= (frontend
*)data
;
926 text
= midend_text_format(fe
->me
);
929 write_clip(fe
, text
);
935 static void menu_solve_event(GtkMenuItem
*menuitem
, gpointer data
)
937 frontend
*fe
= (frontend
*)data
;
940 msg
= midend_solve(fe
->me
);
943 error_box(fe
->window
, msg
);
946 static void menu_restart_event(GtkMenuItem
*menuitem
, gpointer data
)
948 frontend
*fe
= (frontend
*)data
;
950 midend_restart_game(fe
->me
);
953 static void menu_config_event(GtkMenuItem
*menuitem
, gpointer data
)
955 frontend
*fe
= (frontend
*)data
;
956 int which
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
960 if (!get_config(fe
, which
))
963 midend_new_game(fe
->me
);
964 midend_size(fe
->me
, &x
, &y
);
965 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
970 static void menu_about_event(GtkMenuItem
*menuitem
, gpointer data
)
972 frontend
*fe
= (frontend
*)data
;
976 sprintf(titlebuf
, "About %.200s", thegame
.name
);
979 "from Simon Tatham's Portable Puzzle Collection\n\n"
980 "%.500s", thegame
.name
, ver
);
982 message_box(fe
->window
, titlebuf
, textbuf
, TRUE
);
985 static GtkWidget
*add_menu_item_with_key(frontend
*fe
, GtkContainer
*cont
,
988 GtkWidget
*menuitem
= gtk_menu_item_new_with_label(text
);
989 gtk_container_add(cont
, menuitem
);
990 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
991 GINT_TO_POINTER(key
));
992 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
993 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
994 gtk_widget_show(menuitem
);
998 static void add_menu_separator(GtkContainer
*cont
)
1000 GtkWidget
*menuitem
= gtk_menu_item_new();
1001 gtk_container_add(cont
, menuitem
);
1002 gtk_widget_show(menuitem
);
1005 static frontend
*new_window(char *game_id
, char **error
)
1009 GtkWidget
*menubar
, *menu
, *menuitem
;
1012 fe
= snew(frontend
);
1014 fe
->me
= midend_new(fe
, &thegame
);
1016 *error
= midend_game_id(fe
->me
, game_id
);
1018 midend_free(fe
->me
);
1023 midend_new_game(fe
->me
);
1025 fe
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1026 gtk_window_set_title(GTK_WINDOW(fe
->window
), thegame
.name
);
1028 gtk_window_set_resizable(GTK_WINDOW(fe
->window
), FALSE
);
1030 gtk_window_set_policy(GTK_WINDOW(fe
->window
), FALSE
, FALSE
, TRUE
);
1032 vbox
= GTK_BOX(gtk_vbox_new(FALSE
, 0));
1033 gtk_container_add(GTK_CONTAINER(fe
->window
), GTK_WIDGET(vbox
));
1034 gtk_widget_show(GTK_WIDGET(vbox
));
1036 menubar
= gtk_menu_bar_new();
1037 gtk_box_pack_start(vbox
, menubar
, FALSE
, FALSE
, 0);
1038 gtk_widget_show(menubar
);
1040 menuitem
= gtk_menu_item_new_with_label("Game");
1041 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1042 gtk_widget_show(menuitem
);
1044 menu
= gtk_menu_new();
1045 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1047 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "New", 'n');
1049 menuitem
= gtk_menu_item_new_with_label("Restart");
1050 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1051 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1052 GTK_SIGNAL_FUNC(menu_restart_event
), fe
);
1053 gtk_widget_show(menuitem
);
1055 menuitem
= gtk_menu_item_new_with_label("Specific...");
1056 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1057 GINT_TO_POINTER(CFG_DESC
));
1058 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1059 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1060 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1061 gtk_widget_show(menuitem
);
1063 menuitem
= gtk_menu_item_new_with_label("Random Seed...");
1064 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1065 GINT_TO_POINTER(CFG_SEED
));
1066 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1067 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1068 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1069 gtk_widget_show(menuitem
);
1071 if ((n
= midend_num_presets(fe
->me
)) > 0 || thegame
.can_configure
) {
1075 menuitem
= gtk_menu_item_new_with_label("Type");
1076 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1077 gtk_widget_show(menuitem
);
1079 submenu
= gtk_menu_new();
1080 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), submenu
);
1082 for (i
= 0; i
< n
; i
++) {
1084 game_params
*params
;
1086 midend_fetch_preset(fe
->me
, i
, &name
, ¶ms
);
1088 menuitem
= gtk_menu_item_new_with_label(name
);
1089 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1090 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data", params
);
1091 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1092 GTK_SIGNAL_FUNC(menu_preset_event
), fe
);
1093 gtk_widget_show(menuitem
);
1096 if (thegame
.can_configure
) {
1097 menuitem
= gtk_menu_item_new_with_label("Custom...");
1098 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1099 GPOINTER_TO_INT(CFG_SETTINGS
));
1100 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1101 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1102 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1103 gtk_widget_show(menuitem
);
1107 add_menu_separator(GTK_CONTAINER(menu
));
1108 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Undo", 'u');
1109 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Redo", '\x12');
1110 if (thegame
.can_format_as_text
) {
1111 add_menu_separator(GTK_CONTAINER(menu
));
1112 menuitem
= gtk_menu_item_new_with_label("Copy");
1113 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1114 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1115 GTK_SIGNAL_FUNC(menu_copy_event
), fe
);
1116 gtk_widget_show(menuitem
);
1118 if (thegame
.can_solve
) {
1119 add_menu_separator(GTK_CONTAINER(menu
));
1120 menuitem
= gtk_menu_item_new_with_label("Solve");
1121 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1122 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1123 GTK_SIGNAL_FUNC(menu_solve_event
), fe
);
1124 gtk_widget_show(menuitem
);
1126 add_menu_separator(GTK_CONTAINER(menu
));
1127 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Exit", 'q');
1129 menuitem
= gtk_menu_item_new_with_label("Help");
1130 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1131 gtk_widget_show(menuitem
);
1133 menu
= gtk_menu_new();
1134 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1136 menuitem
= gtk_menu_item_new_with_label("About");
1137 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1138 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1139 GTK_SIGNAL_FUNC(menu_about_event
), fe
);
1140 gtk_widget_show(menuitem
);
1147 fe
->colmap
= gdk_colormap_get_system();
1148 colours
= midend_colours(fe
->me
, &ncolours
);
1149 fe
->ncolours
= ncolours
;
1150 fe
->colours
= snewn(ncolours
, GdkColor
);
1151 for (i
= 0; i
< ncolours
; i
++) {
1152 fe
->colours
[i
].red
= colours
[i
*3] * 0xFFFF;
1153 fe
->colours
[i
].green
= colours
[i
*3+1] * 0xFFFF;
1154 fe
->colours
[i
].blue
= colours
[i
*3+2] * 0xFFFF;
1156 success
= snewn(ncolours
, gboolean
);
1157 gdk_colormap_alloc_colors(fe
->colmap
, fe
->colours
, ncolours
,
1158 FALSE
, FALSE
, success
);
1159 for (i
= 0; i
< ncolours
; i
++) {
1161 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1162 i
, fe
->colours
[i
].red
>> 8,
1163 fe
->colours
[i
].green
>> 8,
1164 fe
->colours
[i
].blue
>> 8);
1168 if (midend_wants_statusbar(fe
->me
)) {
1169 GtkWidget
*viewport
;
1172 viewport
= gtk_viewport_new(NULL
, NULL
);
1173 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport
), GTK_SHADOW_NONE
);
1174 fe
->statusbar
= gtk_statusbar_new();
1175 gtk_container_add(GTK_CONTAINER(viewport
), fe
->statusbar
);
1176 gtk_widget_show(viewport
);
1177 gtk_box_pack_end(vbox
, viewport
, FALSE
, FALSE
, 0);
1178 gtk_widget_show(fe
->statusbar
);
1179 fe
->statusctx
= gtk_statusbar_get_context_id
1180 (GTK_STATUSBAR(fe
->statusbar
), "game");
1181 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
,
1183 gtk_widget_size_request(fe
->statusbar
, &req
);
1185 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1187 gtk_widget_set_usize(viewport
, -1, req
.height
);
1189 fe
->statusbar
= NULL
;
1191 fe
->area
= gtk_drawing_area_new();
1192 midend_size(fe
->me
, &x
, &y
);
1193 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1197 gtk_box_pack_end(vbox
, fe
->area
, FALSE
, FALSE
, 0);
1201 fe
->nfonts
= fe
->fontsize
= 0;
1203 fe
->timer_active
= FALSE
;
1205 fe
->paste_data
= NULL
;
1206 fe
->paste_data_len
= 0;
1208 gtk_signal_connect(GTK_OBJECT(fe
->window
), "destroy",
1209 GTK_SIGNAL_FUNC(destroy
), fe
);
1210 gtk_signal_connect(GTK_OBJECT(fe
->window
), "key_press_event",
1211 GTK_SIGNAL_FUNC(key_event
), fe
);
1212 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_press_event",
1213 GTK_SIGNAL_FUNC(button_event
), fe
);
1214 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_release_event",
1215 GTK_SIGNAL_FUNC(button_event
), fe
);
1216 gtk_signal_connect(GTK_OBJECT(fe
->area
), "motion_notify_event",
1217 GTK_SIGNAL_FUNC(motion_event
), fe
);
1218 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_get",
1219 GTK_SIGNAL_FUNC(selection_get
), fe
);
1220 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_clear_event",
1221 GTK_SIGNAL_FUNC(selection_clear
), fe
);
1222 gtk_signal_connect(GTK_OBJECT(fe
->area
), "expose_event",
1223 GTK_SIGNAL_FUNC(expose_area
), fe
);
1224 gtk_signal_connect(GTK_OBJECT(fe
->window
), "map_event",
1225 GTK_SIGNAL_FUNC(map_window
), fe
);
1226 gtk_signal_connect(GTK_OBJECT(fe
->area
), "configure_event",
1227 GTK_SIGNAL_FUNC(configure_area
), fe
);
1229 gtk_widget_add_events(GTK_WIDGET(fe
->area
),
1230 GDK_BUTTON_PRESS_MASK
|
1231 GDK_BUTTON_RELEASE_MASK
|
1232 GDK_BUTTON_MOTION_MASK
);
1234 gtk_widget_show(fe
->area
);
1235 gtk_widget_show(fe
->window
);
1240 int main(int argc
, char **argv
)
1242 char *pname
= argv
[0];
1245 if (argc
> 1 && !strcmp(argv
[1], "--version")) {
1246 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1252 * Special standalone mode for generating puzzle IDs on the
1253 * command line. Useful for generating puzzles to be printed
1254 * out and solved offline (for puzzles where that even makes
1255 * sense - Solo, for example, is a lot more pencil-and-paper
1256 * friendly than Net!)
1260 * <puzzle-name> --generate [<n> [<params>]]
1262 * <n>, if present, is the number of puzzle IDs to generate.
1263 * <params>, if present, is the same type of parameter string
1264 * you would pass to the puzzle when running it in GUI mode,
1265 * including optional extras such as the expansion factor in
1266 * Rectangles and the difficulty level in Solo.
1268 * If you specify <params>, you must also specify <n> (although
1269 * you may specify it to be 1). Sorry; that was the
1270 * simplest-to-parse command-line syntax I came up with.
1272 if (argc
> 1 && !strcmp(argv
[1], "--generate")) {
1274 char *params
= NULL
, *seed
= NULL
;
1284 par
= thegame
.default_params();
1286 if ( (seed
= strchr(params
, '#')) != NULL
)
1288 thegame
.decode_params(par
, params
);
1290 if ((error
= thegame
.validate_params(par
)) != NULL
) {
1291 fprintf(stderr
, "%s: %s\n", pname
, error
);
1294 parstr
= thegame
.encode_params(par
, FALSE
);
1301 seedlen
= strlen(seed
);
1303 get_random_seed(&seeddata
, &seedlen
);
1305 rs
= random_init(seeddata
, seedlen
);
1309 game_aux_info
*aux
= NULL
;
1310 char *desc
= thegame
.new_desc(par
, rs
, &aux
, FALSE
);
1311 printf("%s:%s\n", parstr
, desc
);
1314 thegame
.free_aux_info(aux
);
1320 gtk_init(&argc
, &argv
);
1322 if (!new_window(argc
> 1 ? argv
[1] : NULL
, &error
)) {
1323 fprintf(stderr
, "%s: %s\n", pname
, error
);