2 * gtk.c: GTK front end for my puzzle collection.
16 #include <gdk/gdkkeysyms.h>
18 #include <gdk-pixbuf/gdk-pixbuf.h>
22 #include <X11/Xutil.h>
23 #include <X11/Xatom.h>
27 #if GTK_CHECK_VERSION(2,0,0)
29 # ifdef PANGO_VERSION_CHECK
30 # if PANGO_VERSION_CHECK(1,8,0)
31 # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
35 #if !GTK_CHECK_VERSION(2,4,0)
40 static FILE *debug_fp
= NULL
;
45 debug_fp
= fopen("debug.log", "w");
56 void debug_printf(char *fmt
, ...)
62 vsprintf(buf
, fmt
, ap
);
68 /* ----------------------------------------------------------------------
69 * Error reporting functions used elsewhere.
72 void fatal(char *fmt
, ...)
76 fprintf(stderr
, "fatal error: ");
79 vfprintf(stderr
, fmt
, ap
);
82 fprintf(stderr
, "\n");
86 /* ----------------------------------------------------------------------
87 * GTK front end to puzzles.
90 static void changed_preset(frontend
*fe
);
94 PangoFontDescription
*desc
;
103 * This structure holds all the data relevant to a single window.
104 * In principle this would allow us to open multiple independent
105 * puzzle windows, although I can't currently see any real point in
106 * doing so. I'm just coding cleanly because there's no
107 * particularly good reason not to.
111 GtkAccelGroup
*accelgroup
;
113 GtkWidget
*statusbar
;
122 int bbox_l
, bbox_r
, bbox_u
, bbox_d
;
123 int timer_active
, timer_id
;
124 struct timeval last_time
;
126 int nfonts
, fontsize
;
128 int cfg_which
, cfgret
;
132 int pw
, ph
; /* pixmap size (w, h are area size) */
133 int ox
, oy
; /* offset of pixmap in drawing area */
137 GSList
*preset_radio
;
138 int n_preset_menu_items
;
140 GtkWidget
*preset_custom
;
141 GtkWidget
*copy_menu_item
;
144 void get_random_seed(void **randseed
, int *randseedsize
)
146 struct timeval
*tvp
= snew(struct timeval
);
147 gettimeofday(tvp
, NULL
);
148 *randseed
= (void *)tvp
;
149 *randseedsize
= sizeof(struct timeval
);
152 void frontend_default_colour(frontend
*fe
, float *output
)
154 GdkColor col
= fe
->window
->style
->bg
[GTK_STATE_NORMAL
];
155 output
[0] = col
.red
/ 65535.0;
156 output
[1] = col
.green
/ 65535.0;
157 output
[2] = col
.blue
/ 65535.0;
160 void gtk_status_bar(void *handle
, char *text
)
162 frontend
*fe
= (frontend
*)handle
;
164 assert(fe
->statusbar
);
166 gtk_statusbar_pop(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
);
167 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
, text
);
170 void gtk_start_draw(void *handle
)
172 frontend
*fe
= (frontend
*)handle
;
173 fe
->gc
= gdk_gc_new(fe
->area
->window
);
180 void gtk_clip(void *handle
, int x
, int y
, int w
, int h
)
182 frontend
*fe
= (frontend
*)handle
;
190 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
193 void gtk_unclip(void *handle
)
195 frontend
*fe
= (frontend
*)handle
;
203 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
206 void gtk_draw_text(void *handle
, int x
, int y
, int fonttype
, int fontsize
,
207 int align
, int colour
, char *text
)
209 frontend
*fe
= (frontend
*)handle
;
213 * Find or create the font.
215 for (i
= 0; i
< fe
->nfonts
; i
++)
216 if (fe
->fonts
[i
].type
== fonttype
&& fe
->fonts
[i
].size
== fontsize
)
219 if (i
== fe
->nfonts
) {
220 if (fe
->fontsize
<= fe
->nfonts
) {
221 fe
->fontsize
= fe
->nfonts
+ 10;
222 fe
->fonts
= sresize(fe
->fonts
, fe
->fontsize
, struct font
);
227 fe
->fonts
[i
].type
= fonttype
;
228 fe
->fonts
[i
].size
= fontsize
;
232 * Use Pango to find the closest match to the requested
236 PangoFontDescription
*fd
;
238 fd
= pango_font_description_new();
239 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
240 pango_font_description_set_family(fd
, fonttype
== FONT_FIXED ?
241 "Monospace" : "Sans");
242 pango_font_description_set_weight(fd
, PANGO_WEIGHT_BOLD
);
244 * I found some online Pango documentation which
245 * described a function called
246 * pango_font_description_set_absolute_size(), which is
247 * _exactly_ what I want here. Unfortunately, none of
248 * my local Pango installations have it (presumably
249 * they're too old), so I'm going to have to hack round
250 * it by figuring out the point size myself. This
251 * limits me to X and probably also breaks in later
252 * Pango installations, so ideally I should add another
253 * CHECK_VERSION type ifdef and use set_absolute_size
254 * where available. All very annoying.
256 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
257 pango_font_description_set_absolute_size(fd
, PANGO_SCALE
*fontsize
);
260 Display
*d
= GDK_DISPLAY();
261 int s
= DefaultScreen(d
);
263 (PANGO_SCALE
* 72.27 / 25.4) *
264 ((double) DisplayWidthMM(d
, s
) / DisplayWidth (d
, s
));
265 pango_font_description_set_size(fd
, resolution
* fontsize
);
268 fe
->fonts
[i
].desc
= fd
;
273 * In GTK 1.2, I don't know of any plausible way to
274 * pick a suitable font, so I'm just going to be
277 fe
->fonts
[i
].font
= gdk_font_load(fonttype
== FONT_FIXED ?
278 "fixed" : "variable");
286 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
297 layout
= pango_layout_new(gtk_widget_get_pango_context(fe
->area
));
298 pango_layout_set_font_description(layout
, fe
->fonts
[i
].desc
);
299 pango_layout_set_text(layout
, text
, strlen(text
));
300 pango_layout_get_pixel_extents(layout
, NULL
, &rect
);
302 if (align
& ALIGN_VCENTRE
)
303 rect
.y
-= rect
.height
/ 2;
305 rect
.y
-= rect
.height
;
307 if (align
& ALIGN_HCENTRE
)
308 rect
.x
-= rect
.width
/ 2;
309 else if (align
& ALIGN_HRIGHT
)
310 rect
.x
-= rect
.width
;
312 gdk_draw_layout(fe
->pixmap
, fe
->gc
, rect
.x
+ x
, rect
.y
+ y
, layout
);
314 g_object_unref(layout
);
319 * Find string dimensions and process alignment.
322 int lb
, rb
, wid
, asc
, desc
;
325 * Measure vertical string extents with respect to the same
328 gdk_string_extents(fe
->fonts
[i
].font
,
329 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
330 &lb
, &rb
, &wid
, &asc
, &desc
);
331 if (align
& ALIGN_VCENTRE
)
332 y
+= asc
- (asc
+desc
)/2;
337 * ... but horizontal extents with respect to the provided
338 * string. This means that multiple pieces of text centred
339 * on the same y-coordinate don't have different baselines.
341 gdk_string_extents(fe
->fonts
[i
].font
, text
,
342 &lb
, &rb
, &wid
, &asc
, &desc
);
344 if (align
& ALIGN_HCENTRE
)
346 else if (align
& ALIGN_HRIGHT
)
352 * Actually draw the text.
354 gdk_draw_string(fe
->pixmap
, fe
->fonts
[i
].font
, fe
->gc
, x
, y
, text
);
359 void gtk_draw_rect(void *handle
, int x
, int y
, int w
, int h
, int colour
)
361 frontend
*fe
= (frontend
*)handle
;
362 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
363 gdk_draw_rectangle(fe
->pixmap
, fe
->gc
, 1, x
, y
, w
, h
);
366 void gtk_draw_line(void *handle
, int x1
, int y1
, int x2
, int y2
, int colour
)
368 frontend
*fe
= (frontend
*)handle
;
369 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
370 gdk_draw_line(fe
->pixmap
, fe
->gc
, x1
, y1
, x2
, y2
);
373 void gtk_draw_poly(void *handle
, int *coords
, int npoints
,
374 int fillcolour
, int outlinecolour
)
376 frontend
*fe
= (frontend
*)handle
;
377 GdkPoint
*points
= snewn(npoints
, GdkPoint
);
380 for (i
= 0; i
< npoints
; i
++) {
381 points
[i
].x
= coords
[i
*2];
382 points
[i
].y
= coords
[i
*2+1];
385 if (fillcolour
>= 0) {
386 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[fillcolour
]);
387 gdk_draw_polygon(fe
->pixmap
, fe
->gc
, TRUE
, points
, npoints
);
389 assert(outlinecolour
>= 0);
390 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[outlinecolour
]);
393 * In principle we ought to be able to use gdk_draw_polygon for
394 * the outline as well. In fact, it turns out to interact badly
395 * with a clipping region, for no terribly obvious reason, so I
396 * draw the outline as a sequence of lines instead.
398 for (i
= 0; i
< npoints
; i
++)
399 gdk_draw_line(fe
->pixmap
, fe
->gc
,
400 points
[i
].x
, points
[i
].y
,
401 points
[(i
+1)%npoints
].x
, points
[(i
+1)%npoints
].y
);
406 void gtk_draw_circle(void *handle
, int cx
, int cy
, int radius
,
407 int fillcolour
, int outlinecolour
)
409 frontend
*fe
= (frontend
*)handle
;
410 if (fillcolour
>= 0) {
411 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[fillcolour
]);
412 gdk_draw_arc(fe
->pixmap
, fe
->gc
, TRUE
,
413 cx
- radius
, cy
- radius
,
414 2 * radius
, 2 * radius
, 0, 360 * 64);
417 assert(outlinecolour
>= 0);
418 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[outlinecolour
]);
419 gdk_draw_arc(fe
->pixmap
, fe
->gc
, FALSE
,
420 cx
- radius
, cy
- radius
,
421 2 * radius
, 2 * radius
, 0, 360 * 64);
429 blitter
*gtk_blitter_new(void *handle
, int w
, int h
)
432 * We can't create the pixmap right now, because fe->window
433 * might not yet exist. So we just cache w and h and create it
434 * during the firs call to blitter_save.
436 blitter
*bl
= snew(blitter
);
443 void gtk_blitter_free(void *handle
, blitter
*bl
)
446 gdk_pixmap_unref(bl
->pixmap
);
450 void gtk_blitter_save(void *handle
, blitter
*bl
, int x
, int y
)
452 frontend
*fe
= (frontend
*)handle
;
454 bl
->pixmap
= gdk_pixmap_new(fe
->area
->window
, bl
->w
, bl
->h
, -1);
457 gdk_draw_pixmap(bl
->pixmap
,
458 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
460 x
, y
, 0, 0, bl
->w
, bl
->h
);
463 void gtk_blitter_load(void *handle
, blitter
*bl
, int x
, int y
)
465 frontend
*fe
= (frontend
*)handle
;
467 if (x
== BLITTER_FROMSAVED
&& y
== BLITTER_FROMSAVED
) {
471 gdk_draw_pixmap(fe
->pixmap
,
472 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
474 0, 0, x
, y
, bl
->w
, bl
->h
);
477 void gtk_draw_update(void *handle
, int x
, int y
, int w
, int h
)
479 frontend
*fe
= (frontend
*)handle
;
480 if (fe
->bbox_l
> x
) fe
->bbox_l
= x
;
481 if (fe
->bbox_r
< x
+w
) fe
->bbox_r
= x
+w
;
482 if (fe
->bbox_u
> y
) fe
->bbox_u
= y
;
483 if (fe
->bbox_d
< y
+h
) fe
->bbox_d
= y
+h
;
486 void gtk_end_draw(void *handle
)
488 frontend
*fe
= (frontend
*)handle
;
489 gdk_gc_unref(fe
->gc
);
492 if (fe
->bbox_l
< fe
->bbox_r
&& fe
->bbox_u
< fe
->bbox_d
) {
493 gdk_draw_pixmap(fe
->area
->window
,
494 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
496 fe
->bbox_l
, fe
->bbox_u
,
497 fe
->ox
+ fe
->bbox_l
, fe
->oy
+ fe
->bbox_u
,
498 fe
->bbox_r
- fe
->bbox_l
, fe
->bbox_d
- fe
->bbox_u
);
502 const struct drawing_api gtk_drawing
= {
518 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, /* {begin,end}_{doc,page,puzzle} */
519 NULL
, /* line_width */
522 static void destroy(GtkWidget
*widget
, gpointer data
)
524 frontend
*fe
= (frontend
*)data
;
525 deactivate_timer(fe
);
530 static gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
532 frontend
*fe
= (frontend
*)data
;
534 int shift
= (event
->state
& GDK_SHIFT_MASK
) ? MOD_SHFT
: 0;
535 int ctrl
= (event
->state
& GDK_CONTROL_MASK
) ? MOD_CTRL
: 0;
540 #if !GTK_CHECK_VERSION(2,0,0)
541 /* Gtk 1.2 passes a key event to this function even if it's also
542 * defined as an accelerator.
543 * Gtk 2 doesn't do this, and this function appears not to exist there. */
544 if (fe
->accelgroup
&&
545 gtk_accel_group_get_entry(fe
->accelgroup
,
546 event
->keyval
, event
->state
))
550 /* Handle mnemonics. */
551 if (gtk_window_activate_key(GTK_WINDOW(fe
->window
), event
))
554 if (event
->keyval
== GDK_Up
)
555 keyval
= shift
| ctrl
| CURSOR_UP
;
556 else if (event
->keyval
== GDK_KP_Up
|| event
->keyval
== GDK_KP_8
)
557 keyval
= MOD_NUM_KEYPAD
| '8';
558 else if (event
->keyval
== GDK_Down
)
559 keyval
= shift
| ctrl
| CURSOR_DOWN
;
560 else if (event
->keyval
== GDK_KP_Down
|| event
->keyval
== GDK_KP_2
)
561 keyval
= MOD_NUM_KEYPAD
| '2';
562 else if (event
->keyval
== GDK_Left
)
563 keyval
= shift
| ctrl
| CURSOR_LEFT
;
564 else if (event
->keyval
== GDK_KP_Left
|| event
->keyval
== GDK_KP_4
)
565 keyval
= MOD_NUM_KEYPAD
| '4';
566 else if (event
->keyval
== GDK_Right
)
567 keyval
= shift
| ctrl
| CURSOR_RIGHT
;
568 else if (event
->keyval
== GDK_KP_Right
|| event
->keyval
== GDK_KP_6
)
569 keyval
= MOD_NUM_KEYPAD
| '6';
570 else if (event
->keyval
== GDK_KP_Home
|| event
->keyval
== GDK_KP_7
)
571 keyval
= MOD_NUM_KEYPAD
| '7';
572 else if (event
->keyval
== GDK_KP_End
|| event
->keyval
== GDK_KP_1
)
573 keyval
= MOD_NUM_KEYPAD
| '1';
574 else if (event
->keyval
== GDK_KP_Page_Up
|| event
->keyval
== GDK_KP_9
)
575 keyval
= MOD_NUM_KEYPAD
| '9';
576 else if (event
->keyval
== GDK_KP_Page_Down
|| event
->keyval
== GDK_KP_3
)
577 keyval
= MOD_NUM_KEYPAD
| '3';
578 else if (event
->keyval
== GDK_KP_Insert
|| event
->keyval
== GDK_KP_0
)
579 keyval
= MOD_NUM_KEYPAD
| '0';
580 else if (event
->keyval
== GDK_KP_Begin
|| event
->keyval
== GDK_KP_5
)
581 keyval
= MOD_NUM_KEYPAD
| '5';
582 else if (event
->keyval
== GDK_BackSpace
||
583 event
->keyval
== GDK_Delete
||
584 event
->keyval
== GDK_KP_Delete
)
586 else if (event
->string
[0] && !event
->string
[1])
587 keyval
= (unsigned char)event
->string
[0];
592 !midend_process_key(fe
->me
, 0, 0, keyval
))
593 gtk_widget_destroy(fe
->window
);
598 static gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
,
601 frontend
*fe
= (frontend
*)data
;
607 if (event
->type
!= GDK_BUTTON_PRESS
&& event
->type
!= GDK_BUTTON_RELEASE
)
610 if (event
->button
== 2 || (event
->state
& GDK_SHIFT_MASK
))
611 button
= MIDDLE_BUTTON
;
612 else if (event
->button
== 3 || (event
->state
& GDK_MOD1_MASK
))
613 button
= RIGHT_BUTTON
;
614 else if (event
->button
== 1)
615 button
= LEFT_BUTTON
;
617 return FALSE
; /* don't even know what button! */
619 if (event
->type
== GDK_BUTTON_RELEASE
)
620 button
+= LEFT_RELEASE
- LEFT_BUTTON
;
622 if (!midend_process_key(fe
->me
, event
->x
- fe
->ox
,
623 event
->y
- fe
->oy
, button
))
624 gtk_widget_destroy(fe
->window
);
629 static gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
,
632 frontend
*fe
= (frontend
*)data
;
638 if (event
->state
& (GDK_BUTTON2_MASK
| GDK_SHIFT_MASK
))
639 button
= MIDDLE_DRAG
;
640 else if (event
->state
& GDK_BUTTON1_MASK
)
642 else if (event
->state
& GDK_BUTTON3_MASK
)
645 return FALSE
; /* don't even know what button! */
647 if (!midend_process_key(fe
->me
, event
->x
- fe
->ox
,
648 event
->y
- fe
->oy
, button
))
649 gtk_widget_destroy(fe
->window
);
650 #if GTK_CHECK_VERSION(2,12,0)
651 gdk_event_request_motions(event
);
653 gdk_window_get_pointer(widget
->window
, NULL
, NULL
, NULL
);
659 static gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
,
662 frontend
*fe
= (frontend
*)data
;
665 gdk_draw_pixmap(widget
->window
,
666 widget
->style
->fg_gc
[GTK_WIDGET_STATE(widget
)],
668 event
->area
.x
- fe
->ox
, event
->area
.y
- fe
->oy
,
669 event
->area
.x
, event
->area
.y
,
670 event
->area
.width
, event
->area
.height
);
675 static gint
map_window(GtkWidget
*widget
, GdkEvent
*event
,
678 frontend
*fe
= (frontend
*)data
;
681 * Apparently we need to do this because otherwise the status
682 * bar will fail to update immediately. Annoying, but there we
685 gtk_widget_queue_draw(fe
->window
);
690 static gint
configure_area(GtkWidget
*widget
,
691 GdkEventConfigure
*event
, gpointer data
)
693 frontend
*fe
= (frontend
*)data
;
698 gdk_pixmap_unref(fe
->pixmap
);
700 x
= fe
->w
= event
->width
;
701 y
= fe
->h
= event
->height
;
702 midend_size(fe
->me
, &x
, &y
, TRUE
);
705 fe
->ox
= (fe
->w
- fe
->pw
) / 2;
706 fe
->oy
= (fe
->h
- fe
->ph
) / 2;
708 fe
->pixmap
= gdk_pixmap_new(widget
->window
, fe
->pw
, fe
->ph
, -1);
710 gc
= gdk_gc_new(fe
->area
->window
);
711 gdk_gc_set_foreground(gc
, &fe
->colours
[0]);
712 gdk_draw_rectangle(fe
->pixmap
, gc
, 1, 0, 0, fe
->pw
, fe
->ph
);
713 gdk_draw_rectangle(widget
->window
, gc
, 1, 0, 0,
714 event
->width
, event
->height
);
717 midend_force_redraw(fe
->me
);
722 static gint
timer_func(gpointer data
)
724 frontend
*fe
= (frontend
*)data
;
726 if (fe
->timer_active
) {
729 gettimeofday(&now
, NULL
);
730 elapsed
= ((now
.tv_usec
- fe
->last_time
.tv_usec
) * 0.000001F
+
731 (now
.tv_sec
- fe
->last_time
.tv_sec
));
732 midend_timer(fe
->me
, elapsed
); /* may clear timer_active */
736 return fe
->timer_active
;
739 void deactivate_timer(frontend
*fe
)
742 return; /* can happen due to --generate */
743 if (fe
->timer_active
)
744 gtk_timeout_remove(fe
->timer_id
);
745 fe
->timer_active
= FALSE
;
748 void activate_timer(frontend
*fe
)
751 return; /* can happen due to --generate */
752 if (!fe
->timer_active
) {
753 fe
->timer_id
= gtk_timeout_add(20, timer_func
, fe
);
754 gettimeofday(&fe
->last_time
, NULL
);
756 fe
->timer_active
= TRUE
;
759 static void window_destroy(GtkWidget
*widget
, gpointer data
)
764 static void msgbox_button_clicked(GtkButton
*button
, gpointer data
)
766 GtkWidget
*window
= GTK_WIDGET(data
);
769 ip
= (int *)gtk_object_get_data(GTK_OBJECT(window
), "user-data");
770 v
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button
), "user-data"));
773 gtk_widget_destroy(GTK_WIDGET(data
));
776 static int win_key_press(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
778 GtkObject
*cancelbutton
= GTK_OBJECT(data
);
781 * `Escape' effectively clicks the cancel button
783 if (event
->keyval
== GDK_Escape
) {
784 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton
), "clicked");
791 enum { MB_OK
, MB_YESNO
};
793 int message_box(GtkWidget
*parent
, char *title
, char *msg
, int centre
,
796 GtkWidget
*window
, *hbox
, *text
, *button
;
800 window
= gtk_dialog_new();
801 text
= gtk_label_new(msg
);
802 gtk_misc_set_alignment(GTK_MISC(text
), 0.0, 0.0);
803 hbox
= gtk_hbox_new(FALSE
, 0);
804 gtk_box_pack_start(GTK_BOX(hbox
), text
, FALSE
, FALSE
, 20);
805 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window
)->vbox
),
806 hbox
, FALSE
, FALSE
, 20);
807 gtk_widget_show(text
);
808 gtk_widget_show(hbox
);
809 gtk_window_set_title(GTK_WINDOW(window
), title
);
810 gtk_label_set_line_wrap(GTK_LABEL(text
), TRUE
);
816 assert(type
== MB_YESNO
);
817 titles
= "Yes\0No\0";
824 button
= gtk_button_new_with_label(titles
);
825 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window
)->action_area
),
826 button
, FALSE
, FALSE
, 0);
827 gtk_widget_show(button
);
829 GTK_WIDGET_SET_FLAGS(button
, GTK_CAN_DEFAULT
);
830 gtk_window_set_default(GTK_WINDOW(window
), button
);
833 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
834 GTK_SIGNAL_FUNC(win_key_press
), button
);
836 gtk_signal_connect(GTK_OBJECT(button
), "clicked",
837 GTK_SIGNAL_FUNC(msgbox_button_clicked
), window
);
838 gtk_object_set_data(GTK_OBJECT(button
), "user-data",
840 titles
+= strlen(titles
)+1;
843 gtk_object_set_data(GTK_OBJECT(window
), "user-data",
844 GINT_TO_POINTER(&i
));
845 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
846 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
847 gtk_window_set_modal(GTK_WINDOW(window
), TRUE
);
848 gtk_window_set_transient_for(GTK_WINDOW(window
), GTK_WINDOW(parent
));
849 /* set_transient_window_pos(parent, window); */
850 gtk_widget_show(window
);
853 return (type
== MB_YESNO ? i
== 0 : TRUE
);
856 void error_box(GtkWidget
*parent
, char *msg
)
858 message_box(parent
, "Error", msg
, FALSE
, MB_OK
);
861 static void config_ok_button_clicked(GtkButton
*button
, gpointer data
)
863 frontend
*fe
= (frontend
*)data
;
866 err
= midend_set_config(fe
->me
, fe
->cfg_which
, fe
->cfg
);
869 error_box(fe
->cfgbox
, err
);
872 gtk_widget_destroy(fe
->cfgbox
);
877 static void config_cancel_button_clicked(GtkButton
*button
, gpointer data
)
879 frontend
*fe
= (frontend
*)data
;
881 gtk_widget_destroy(fe
->cfgbox
);
884 static int editbox_key(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
887 * GtkEntry has a nasty habit of eating the Return key, which
888 * is unhelpful since it doesn't actually _do_ anything with it
889 * (it calls gtk_widget_activate, but our edit boxes never need
890 * activating). So I catch Return before GtkEntry sees it, and
891 * pass it straight on to the parent widget. Effect: hitting
892 * Return in an edit box will now activate the default button
893 * in the dialog just like it will everywhere else.
895 if (event
->keyval
== GDK_Return
&& widget
->parent
!= NULL
) {
897 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget
), "key_press_event");
898 gtk_signal_emit_by_name(GTK_OBJECT(widget
->parent
), "key_press_event",
905 static void editbox_changed(GtkEditable
*ed
, gpointer data
)
907 config_item
*i
= (config_item
*)data
;
910 i
->sval
= dupstr(gtk_entry_get_text(GTK_ENTRY(ed
)));
913 static void button_toggled(GtkToggleButton
*tb
, gpointer data
)
915 config_item
*i
= (config_item
*)data
;
917 i
->ival
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb
));
920 static void droplist_sel(GtkMenuItem
*item
, gpointer data
)
922 config_item
*i
= (config_item
*)data
;
924 i
->ival
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
928 static int get_config(frontend
*fe
, int which
)
930 GtkWidget
*w
, *table
, *cancel
;
935 fe
->cfg
= midend_get_config(fe
->me
, which
, &title
);
936 fe
->cfg_which
= which
;
939 fe
->cfgbox
= gtk_dialog_new();
940 gtk_window_set_title(GTK_WINDOW(fe
->cfgbox
), title
);
943 w
= gtk_button_new_with_label("OK");
944 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
947 GTK_WIDGET_SET_FLAGS(w
, GTK_CAN_DEFAULT
);
948 gtk_window_set_default(GTK_WINDOW(fe
->cfgbox
), w
);
949 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
950 GTK_SIGNAL_FUNC(config_ok_button_clicked
), fe
);
952 w
= gtk_button_new_with_label("Cancel");
953 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
956 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
957 GTK_SIGNAL_FUNC(config_cancel_button_clicked
), fe
);
960 table
= gtk_table_new(1, 2, FALSE
);
962 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->vbox
),
963 table
, FALSE
, FALSE
, 0);
964 gtk_widget_show(table
);
966 for (i
= fe
->cfg
; i
->type
!= C_END
; i
++) {
967 gtk_table_resize(GTK_TABLE(table
), y
+1, 2);
972 * Edit box with a label beside it.
975 w
= gtk_label_new(i
->name
);
976 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
977 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
978 GTK_SHRINK
| GTK_FILL
,
979 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
984 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
985 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
986 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
988 gtk_entry_set_text(GTK_ENTRY(w
), i
->sval
);
989 gtk_signal_connect(GTK_OBJECT(w
), "changed",
990 GTK_SIGNAL_FUNC(editbox_changed
), i
);
991 gtk_signal_connect(GTK_OBJECT(w
), "key_press_event",
992 GTK_SIGNAL_FUNC(editbox_key
), NULL
);
1001 w
= gtk_check_button_new_with_label(i
->name
);
1002 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
1003 GTK_SIGNAL_FUNC(button_toggled
), i
);
1004 gtk_table_attach(GTK_TABLE(table
), w
, 0, 2, y
, y
+1,
1005 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1006 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1008 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w
), i
->ival
);
1014 * Drop-down list (GtkOptionMenu).
1017 w
= gtk_label_new(i
->name
);
1018 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
1019 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
1020 GTK_SHRINK
| GTK_FILL
,
1021 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1025 w
= gtk_option_menu_new();
1026 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
1027 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1028 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1035 GtkWidget
*menuitem
;
1036 GtkWidget
*menu
= gtk_menu_new();
1038 gtk_option_menu_set_menu(GTK_OPTION_MENU(w
), menu
);
1046 while (*q
&& *q
!= c
)
1049 name
= snewn(q
-p
+1, char);
1050 strncpy(name
, p
, q
-p
);
1053 if (*q
) q
++; /* eat delimiter */
1055 menuitem
= gtk_menu_item_new_with_label(name
);
1056 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1057 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1058 GINT_TO_POINTER(val
));
1059 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1060 GTK_SIGNAL_FUNC(droplist_sel
), i
);
1061 gtk_widget_show(menuitem
);
1068 gtk_option_menu_set_history(GTK_OPTION_MENU(w
), i
->ival
);
1077 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "destroy",
1078 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
1079 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "key_press_event",
1080 GTK_SIGNAL_FUNC(win_key_press
), cancel
);
1081 gtk_window_set_modal(GTK_WINDOW(fe
->cfgbox
), TRUE
);
1082 gtk_window_set_transient_for(GTK_WINDOW(fe
->cfgbox
),
1083 GTK_WINDOW(fe
->window
));
1084 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1085 gtk_widget_show(fe
->cfgbox
);
1093 static void menu_key_event(GtkMenuItem
*menuitem
, gpointer data
)
1095 frontend
*fe
= (frontend
*)data
;
1096 int key
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
1098 if (!midend_process_key(fe
->me
, 0, 0, key
))
1099 gtk_widget_destroy(fe
->window
);
1102 static void get_size(frontend
*fe
, int *px
, int *py
)
1107 * Currently I don't want to make the GTK port scale large
1108 * puzzles to fit on the screen. This is because X does permit
1109 * extremely large windows and many window managers provide a
1110 * means of navigating round them, and the users I consulted
1111 * before deciding said that they'd rather have enormous puzzle
1112 * windows spanning multiple screen pages than have them
1113 * shrunk. I could change my mind later or introduce
1114 * configurability; this would be the place to do so, by
1115 * replacing the initial values of x and y with the screen
1120 midend_size(fe
->me
, &x
, &y
, FALSE
);
1125 #if !GTK_CHECK_VERSION(2,0,0)
1126 #define gtk_window_resize(win, x, y) \
1127 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1131 * Called when any other code in this file has changed the
1132 * selected game parameters.
1134 static void changed_preset(frontend
*fe
)
1136 int n
= midend_which_preset(fe
->me
);
1138 fe
->preset_threaded
= TRUE
;
1139 if (n
< 0 && fe
->preset_custom
) {
1140 gtk_check_menu_item_set_active(
1141 GTK_CHECK_MENU_ITEM(fe
->preset_custom
),
1144 GSList
*gs
= fe
->preset_radio
;
1145 int i
= fe
->n_preset_menu_items
- 1 - n
;
1146 if (fe
->preset_custom
)
1153 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs
->data
),
1155 } else for (gs
= fe
->preset_radio
; gs
; gs
= gs
->next
) {
1156 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs
->data
),
1160 fe
->preset_threaded
= FALSE
;
1163 * Update the greying on the Copy menu option.
1165 if (fe
->copy_menu_item
) {
1166 int enabled
= midend_can_format_as_text_now(fe
->me
);
1167 gtk_widget_set_sensitive(fe
->copy_menu_item
, enabled
);
1171 static void resize_fe(frontend
*fe
)
1175 get_size(fe
, &x
, &y
);
1178 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1181 gtk_widget_size_request(GTK_WIDGET(fe
->window
), &req
);
1182 gtk_window_resize(GTK_WINDOW(fe
->window
), req
.width
, req
.height
);
1185 * Now that we've established the preferred size of the window,
1186 * reduce the drawing area's size request so the user can shrink
1189 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), 1, 1);
1192 static void menu_preset_event(GtkMenuItem
*menuitem
, gpointer data
)
1194 frontend
*fe
= (frontend
*)data
;
1195 game_params
*params
=
1196 (game_params
*)gtk_object_get_data(GTK_OBJECT(menuitem
), "user-data");
1198 if (fe
->preset_threaded
||
1199 (GTK_IS_CHECK_MENU_ITEM(menuitem
) &&
1200 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem
))))
1202 midend_set_params(fe
->me
, params
);
1203 midend_new_game(fe
->me
);
1208 GdkAtom compound_text_atom
, utf8_string_atom
;
1209 int paste_initialised
= FALSE
;
1213 unsigned char empty
[] = { 0 };
1215 if (paste_initialised
)
1218 if (!compound_text_atom
)
1219 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1220 if (!utf8_string_atom
)
1221 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
1224 * Ensure that all the cut buffers exist - according to the
1225 * ICCCM, we must do this before we start using cut buffers.
1227 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1228 XA_CUT_BUFFER0
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1229 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1230 XA_CUT_BUFFER1
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1231 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1232 XA_CUT_BUFFER2
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1233 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1234 XA_CUT_BUFFER3
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1235 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1236 XA_CUT_BUFFER4
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1237 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1238 XA_CUT_BUFFER5
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1239 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1240 XA_CUT_BUFFER6
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1241 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1242 XA_CUT_BUFFER7
, XA_STRING
, 8, PropModeAppend
, empty
, 0);
1245 /* Store data in a cut-buffer. */
1246 void store_cutbuffer(char *ptr
, int len
)
1248 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1249 XRotateBuffers(GDK_DISPLAY(), 1);
1250 XStoreBytes(GDK_DISPLAY(), ptr
, len
);
1253 void write_clip(frontend
*fe
, char *data
)
1258 sfree(fe
->paste_data
);
1261 * For this simple application we can safely assume that the
1262 * data passed to this function is pure ASCII, which means we
1263 * can return precisely the same stuff for types STRING,
1264 * COMPOUND_TEXT or UTF8_STRING.
1267 fe
->paste_data
= data
;
1268 fe
->paste_data_len
= strlen(data
);
1270 store_cutbuffer(fe
->paste_data
, fe
->paste_data_len
);
1272 if (gtk_selection_owner_set(fe
->area
, GDK_SELECTION_PRIMARY
,
1274 gtk_selection_clear_targets(fe
->area
, GDK_SELECTION_PRIMARY
);
1275 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
1276 GDK_SELECTION_TYPE_STRING
, 1);
1277 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
1278 compound_text_atom
, 1);
1279 gtk_selection_add_target(fe
->area
, GDK_SELECTION_PRIMARY
,
1280 utf8_string_atom
, 1);
1284 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1285 guint info
, guint time_stamp
, gpointer data
)
1287 frontend
*fe
= (frontend
*)data
;
1288 gtk_selection_data_set(seldata
, seldata
->target
, 8,
1289 fe
->paste_data
, fe
->paste_data_len
);
1292 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
1295 frontend
*fe
= (frontend
*)data
;
1298 sfree(fe
->paste_data
);
1299 fe
->paste_data
= NULL
;
1300 fe
->paste_data_len
= 0;
1304 static void menu_copy_event(GtkMenuItem
*menuitem
, gpointer data
)
1306 frontend
*fe
= (frontend
*)data
;
1309 text
= midend_text_format(fe
->me
);
1312 write_clip(fe
, text
);
1320 static void filesel_ok(GtkButton
*button
, gpointer data
)
1322 frontend
*fe
= (frontend
*)data
;
1324 gpointer filesel
= gtk_object_get_data(GTK_OBJECT(button
), "user-data");
1327 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel
));
1329 fe
->filesel_name
= dupstr(name
);
1332 static char *file_selector(frontend
*fe
, char *title
, int save
)
1334 GtkWidget
*filesel
=
1335 gtk_file_selection_new(title
);
1337 fe
->filesel_name
= NULL
;
1339 gtk_window_set_modal(GTK_WINDOW(filesel
), TRUE
);
1341 (GTK_OBJECT(GTK_FILE_SELECTION(filesel
)->ok_button
), "user-data",
1344 (GTK_OBJECT(GTK_FILE_SELECTION(filesel
)->ok_button
), "clicked",
1345 GTK_SIGNAL_FUNC(filesel_ok
), fe
);
1346 gtk_signal_connect_object
1347 (GTK_OBJECT(GTK_FILE_SELECTION(filesel
)->ok_button
), "clicked",
1348 GTK_SIGNAL_FUNC(gtk_widget_destroy
), (gpointer
)filesel
);
1349 gtk_signal_connect_object
1350 (GTK_OBJECT(GTK_FILE_SELECTION(filesel
)->cancel_button
), "clicked",
1351 GTK_SIGNAL_FUNC(gtk_widget_destroy
), (gpointer
)filesel
);
1352 gtk_signal_connect(GTK_OBJECT(filesel
), "destroy",
1353 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
1354 gtk_widget_show(filesel
);
1355 gtk_window_set_transient_for(GTK_WINDOW(filesel
), GTK_WINDOW(fe
->window
));
1358 return fe
->filesel_name
;
1363 static char *file_selector(frontend
*fe
, char *title
, int save
)
1365 char *filesel_name
= NULL
;
1367 GtkWidget
*filesel
=
1368 gtk_file_chooser_dialog_new(title
,
1369 GTK_WINDOW(fe
->window
),
1370 save ? GTK_FILE_CHOOSER_ACTION_SAVE
:
1371 GTK_FILE_CHOOSER_ACTION_OPEN
,
1372 GTK_STOCK_CANCEL
, GTK_RESPONSE_CANCEL
,
1373 save ? GTK_STOCK_SAVE
: GTK_STOCK_OPEN
,
1374 GTK_RESPONSE_ACCEPT
,
1377 if (gtk_dialog_run(GTK_DIALOG(filesel
)) == GTK_RESPONSE_ACCEPT
) {
1378 const char *name
= gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel
));
1379 filesel_name
= dupstr(name
);
1382 gtk_widget_destroy(filesel
);
1384 return filesel_name
;
1389 struct savefile_write_ctx
{
1394 static void savefile_write(void *wctx
, void *buf
, int len
)
1396 struct savefile_write_ctx
*ctx
= (struct savefile_write_ctx
*)wctx
;
1397 if (fwrite(buf
, 1, len
, ctx
->fp
) < len
)
1401 static int savefile_read(void *wctx
, void *buf
, int len
)
1403 FILE *fp
= (FILE *)wctx
;
1406 ret
= fread(buf
, 1, len
, fp
);
1407 return (ret
== len
);
1410 static void menu_save_event(GtkMenuItem
*menuitem
, gpointer data
)
1412 frontend
*fe
= (frontend
*)data
;
1415 name
= file_selector(fe
, "Enter name of game file to save", TRUE
);
1420 if ((fp
= fopen(name
, "r")) != NULL
) {
1421 char buf
[256 + FILENAME_MAX
];
1425 sprintf(buf
, "Are you sure you want to overwrite the"
1427 FILENAME_MAX
, name
);
1428 if (!message_box(fe
->window
, "Question", buf
, TRUE
, MB_YESNO
))
1432 fp
= fopen(name
, "w");
1436 error_box(fe
->window
, "Unable to open save file");
1441 struct savefile_write_ctx ctx
;
1444 midend_serialise(fe
->me
, savefile_write
, &ctx
);
1448 sprintf(boxmsg
, "Error writing save file: %.400s",
1450 error_box(fe
->window
, boxmsg
);
1458 static void menu_load_event(GtkMenuItem
*menuitem
, gpointer data
)
1460 frontend
*fe
= (frontend
*)data
;
1463 name
= file_selector(fe
, "Enter name of saved game file to load", FALSE
);
1466 FILE *fp
= fopen(name
, "r");
1470 error_box(fe
->window
, "Unable to open saved game file");
1474 err
= midend_deserialise(fe
->me
, savefile_read
, fp
);
1479 error_box(fe
->window
, err
);
1488 static void menu_solve_event(GtkMenuItem
*menuitem
, gpointer data
)
1490 frontend
*fe
= (frontend
*)data
;
1493 msg
= midend_solve(fe
->me
);
1496 error_box(fe
->window
, msg
);
1499 static void menu_restart_event(GtkMenuItem
*menuitem
, gpointer data
)
1501 frontend
*fe
= (frontend
*)data
;
1503 midend_restart_game(fe
->me
);
1506 static void menu_config_event(GtkMenuItem
*menuitem
, gpointer data
)
1508 frontend
*fe
= (frontend
*)data
;
1509 int which
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
1512 if (fe
->preset_threaded
||
1513 (GTK_IS_CHECK_MENU_ITEM(menuitem
) &&
1514 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem
))))
1516 changed_preset(fe
); /* Put the old preset back! */
1517 if (!get_config(fe
, which
))
1520 midend_new_game(fe
->me
);
1524 static void menu_about_event(GtkMenuItem
*menuitem
, gpointer data
)
1526 frontend
*fe
= (frontend
*)data
;
1530 sprintf(titlebuf
, "About %.200s", thegame
.name
);
1533 "from Simon Tatham's Portable Puzzle Collection\n\n"
1534 "%.500s", thegame
.name
, ver
);
1536 message_box(fe
->window
, titlebuf
, textbuf
, TRUE
, MB_OK
);
1539 static GtkWidget
*add_menu_item_with_key(frontend
*fe
, GtkContainer
*cont
,
1540 char *text
, int key
)
1542 GtkWidget
*menuitem
= gtk_menu_item_new_with_label(text
);
1544 gtk_container_add(cont
, menuitem
);
1545 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1546 GINT_TO_POINTER(key
));
1547 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1548 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
1549 switch (key
& ~0x1F) {
1552 keyqual
= GDK_CONTROL_MASK
;
1556 keyqual
= GDK_SHIFT_MASK
;
1562 gtk_widget_add_accelerator(menuitem
,
1563 "activate", fe
->accelgroup
,
1566 gtk_widget_show(menuitem
);
1570 static void add_menu_separator(GtkContainer
*cont
)
1572 GtkWidget
*menuitem
= gtk_menu_item_new();
1573 gtk_container_add(cont
, menuitem
);
1574 gtk_widget_show(menuitem
);
1577 enum { ARG_EITHER
, ARG_SAVE
, ARG_ID
}; /* for argtype */
1579 static frontend
*new_window(char *arg
, int argtype
, char **error
)
1583 GtkWidget
*menubar
, *menu
, *menuitem
;
1588 extern char *const *const xpm_icons
[];
1589 extern const int n_xpm_icons
;
1591 fe
= snew(frontend
);
1593 fe
->timer_active
= FALSE
;
1596 fe
->me
= midend_new(fe
, &thegame
, >k_drawing
, fe
);
1606 err
= midend_game_id(fe
->me
, arg
);
1608 midend_new_game(fe
->me
);
1610 sprintf(errbuf
, "Invalid game ID: %.800s", err
);
1613 fp
= fopen(arg
, "r");
1615 sprintf(errbuf
, "Error opening file: %.800s", strerror(errno
));
1617 err
= midend_deserialise(fe
->me
, savefile_read
, fp
);
1619 sprintf(errbuf
, "Invalid save file: %.800s", err
);
1623 default /*case ARG_EITHER*/:
1625 * First try treating the argument as a game ID.
1627 err
= midend_game_id(fe
->me
, arg
);
1630 * It's a valid game ID.
1632 midend_new_game(fe
->me
);
1634 FILE *fp
= fopen(arg
, "r");
1636 sprintf(errbuf
, "Supplied argument is neither a game ID (%.400s)"
1637 " nor a save file (%.400s)", err
, strerror(errno
));
1639 err
= midend_deserialise(fe
->me
, savefile_read
, fp
);
1641 sprintf(errbuf
, "%.800s", err
);
1648 *error
= dupstr(errbuf
);
1649 midend_free(fe
->me
);
1655 midend_new_game(fe
->me
);
1658 fe
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
1659 gtk_window_set_title(GTK_WINDOW(fe
->window
), thegame
.name
);
1661 vbox
= GTK_BOX(gtk_vbox_new(FALSE
, 0));
1662 gtk_container_add(GTK_CONTAINER(fe
->window
), GTK_WIDGET(vbox
));
1663 gtk_widget_show(GTK_WIDGET(vbox
));
1665 fe
->accelgroup
= gtk_accel_group_new();
1666 gtk_window_add_accel_group(GTK_WINDOW(fe
->window
), fe
->accelgroup
);
1668 menubar
= gtk_menu_bar_new();
1669 gtk_box_pack_start(vbox
, menubar
, FALSE
, FALSE
, 0);
1670 gtk_widget_show(menubar
);
1672 menuitem
= gtk_menu_item_new_with_mnemonic("_Game");
1673 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1674 gtk_widget_show(menuitem
);
1676 menu
= gtk_menu_new();
1677 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1679 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "New", 'n');
1681 menuitem
= gtk_menu_item_new_with_label("Restart");
1682 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1683 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1684 GTK_SIGNAL_FUNC(menu_restart_event
), fe
);
1685 gtk_widget_show(menuitem
);
1687 menuitem
= gtk_menu_item_new_with_label("Specific...");
1688 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1689 GINT_TO_POINTER(CFG_DESC
));
1690 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1691 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1692 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1693 gtk_widget_show(menuitem
);
1695 menuitem
= gtk_menu_item_new_with_label("Random Seed...");
1696 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1697 GINT_TO_POINTER(CFG_SEED
));
1698 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1699 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1700 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1701 gtk_widget_show(menuitem
);
1703 fe
->preset_radio
= NULL
;
1704 fe
->preset_custom
= NULL
;
1705 fe
->n_preset_menu_items
= 0;
1706 fe
->preset_threaded
= FALSE
;
1707 if ((n
= midend_num_presets(fe
->me
)) > 0 || thegame
.can_configure
) {
1711 menuitem
= gtk_menu_item_new_with_mnemonic("_Type");
1712 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1713 gtk_widget_show(menuitem
);
1715 submenu
= gtk_menu_new();
1716 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), submenu
);
1718 for (i
= 0; i
< n
; i
++) {
1720 game_params
*params
;
1722 midend_fetch_preset(fe
->me
, i
, &name
, ¶ms
);
1725 gtk_radio_menu_item_new_with_label(fe
->preset_radio
, name
);
1727 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem
));
1728 fe
->n_preset_menu_items
++;
1729 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1730 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data", params
);
1731 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1732 GTK_SIGNAL_FUNC(menu_preset_event
), fe
);
1733 gtk_widget_show(menuitem
);
1736 if (thegame
.can_configure
) {
1737 menuitem
= fe
->preset_custom
=
1738 gtk_radio_menu_item_new_with_label(fe
->preset_radio
,
1741 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem
));
1742 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
1743 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1744 GPOINTER_TO_INT(CFG_SETTINGS
));
1745 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1746 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
1747 gtk_widget_show(menuitem
);
1752 add_menu_separator(GTK_CONTAINER(menu
));
1753 menuitem
= gtk_menu_item_new_with_label("Load...");
1754 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1755 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1756 GTK_SIGNAL_FUNC(menu_load_event
), fe
);
1757 gtk_widget_show(menuitem
);
1758 menuitem
= gtk_menu_item_new_with_label("Save...");
1759 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1760 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1761 GTK_SIGNAL_FUNC(menu_save_event
), fe
);
1762 gtk_widget_show(menuitem
);
1763 add_menu_separator(GTK_CONTAINER(menu
));
1764 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Undo", 'u');
1765 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Redo", 'r');
1766 if (thegame
.can_format_as_text_ever
) {
1767 add_menu_separator(GTK_CONTAINER(menu
));
1768 menuitem
= gtk_menu_item_new_with_label("Copy");
1769 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1770 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1771 GTK_SIGNAL_FUNC(menu_copy_event
), fe
);
1772 gtk_widget_show(menuitem
);
1773 fe
->copy_menu_item
= menuitem
;
1775 fe
->copy_menu_item
= NULL
;
1777 if (thegame
.can_solve
) {
1778 add_menu_separator(GTK_CONTAINER(menu
));
1779 menuitem
= gtk_menu_item_new_with_label("Solve");
1780 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1781 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1782 GTK_SIGNAL_FUNC(menu_solve_event
), fe
);
1783 gtk_widget_show(menuitem
);
1785 add_menu_separator(GTK_CONTAINER(menu
));
1786 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Exit", 'q');
1788 menuitem
= gtk_menu_item_new_with_mnemonic("_Help");
1789 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
1790 gtk_widget_show(menuitem
);
1792 menu
= gtk_menu_new();
1793 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
1795 menuitem
= gtk_menu_item_new_with_label("About");
1796 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1797 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1798 GTK_SIGNAL_FUNC(menu_about_event
), fe
);
1799 gtk_widget_show(menuitem
);
1808 fe
->colmap
= gdk_colormap_get_system();
1809 colours
= midend_colours(fe
->me
, &ncolours
);
1810 fe
->ncolours
= ncolours
;
1811 fe
->colours
= snewn(ncolours
, GdkColor
);
1812 for (i
= 0; i
< ncolours
; i
++) {
1813 fe
->colours
[i
].red
= colours
[i
*3] * 0xFFFF;
1814 fe
->colours
[i
].green
= colours
[i
*3+1] * 0xFFFF;
1815 fe
->colours
[i
].blue
= colours
[i
*3+2] * 0xFFFF;
1817 success
= snewn(ncolours
, gboolean
);
1818 gdk_colormap_alloc_colors(fe
->colmap
, fe
->colours
, ncolours
,
1819 FALSE
, FALSE
, success
);
1820 for (i
= 0; i
< ncolours
; i
++) {
1822 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1823 i
, fe
->colours
[i
].red
>> 8,
1824 fe
->colours
[i
].green
>> 8,
1825 fe
->colours
[i
].blue
>> 8);
1830 if (midend_wants_statusbar(fe
->me
)) {
1831 GtkWidget
*viewport
;
1834 viewport
= gtk_viewport_new(NULL
, NULL
);
1835 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport
), GTK_SHADOW_NONE
);
1836 fe
->statusbar
= gtk_statusbar_new();
1837 gtk_container_add(GTK_CONTAINER(viewport
), fe
->statusbar
);
1838 gtk_widget_show(viewport
);
1839 gtk_box_pack_end(vbox
, viewport
, FALSE
, FALSE
, 0);
1840 gtk_widget_show(fe
->statusbar
);
1841 fe
->statusctx
= gtk_statusbar_get_context_id
1842 (GTK_STATUSBAR(fe
->statusbar
), "game");
1843 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
,
1845 gtk_widget_size_request(fe
->statusbar
, &req
);
1847 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1849 gtk_widget_set_usize(viewport
, -1, req
.height
);
1851 fe
->statusbar
= NULL
;
1853 fe
->area
= gtk_drawing_area_new();
1854 get_size(fe
, &x
, &y
);
1855 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1859 gtk_box_pack_end(vbox
, fe
->area
, TRUE
, TRUE
, 0);
1863 fe
->nfonts
= fe
->fontsize
= 0;
1865 fe
->paste_data
= NULL
;
1866 fe
->paste_data_len
= 0;
1868 gtk_signal_connect(GTK_OBJECT(fe
->window
), "destroy",
1869 GTK_SIGNAL_FUNC(destroy
), fe
);
1870 gtk_signal_connect(GTK_OBJECT(fe
->window
), "key_press_event",
1871 GTK_SIGNAL_FUNC(key_event
), fe
);
1872 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_press_event",
1873 GTK_SIGNAL_FUNC(button_event
), fe
);
1874 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_release_event",
1875 GTK_SIGNAL_FUNC(button_event
), fe
);
1876 gtk_signal_connect(GTK_OBJECT(fe
->area
), "motion_notify_event",
1877 GTK_SIGNAL_FUNC(motion_event
), fe
);
1878 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_get",
1879 GTK_SIGNAL_FUNC(selection_get
), fe
);
1880 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_clear_event",
1881 GTK_SIGNAL_FUNC(selection_clear
), fe
);
1882 gtk_signal_connect(GTK_OBJECT(fe
->area
), "expose_event",
1883 GTK_SIGNAL_FUNC(expose_area
), fe
);
1884 gtk_signal_connect(GTK_OBJECT(fe
->window
), "map_event",
1885 GTK_SIGNAL_FUNC(map_window
), fe
);
1886 gtk_signal_connect(GTK_OBJECT(fe
->area
), "configure_event",
1887 GTK_SIGNAL_FUNC(configure_area
), fe
);
1889 gtk_widget_add_events(GTK_WIDGET(fe
->area
),
1890 GDK_BUTTON_PRESS_MASK
|
1891 GDK_BUTTON_RELEASE_MASK
|
1892 GDK_BUTTON_MOTION_MASK
|
1893 GDK_POINTER_MOTION_HINT_MASK
);
1896 gtk_widget_realize(fe
->window
);
1897 iconpm
= gdk_pixmap_create_from_xpm_d(fe
->window
->window
, NULL
,
1898 NULL
, (gchar
**)xpm_icons
[0]);
1899 gdk_window_set_icon(fe
->window
->window
, NULL
, iconpm
, NULL
);
1901 for (n
= 0; n
< n_xpm_icons
; n
++) {
1903 g_list_append(iconlist
,
1904 gdk_pixbuf_new_from_xpm_data((const gchar
**)
1907 gdk_window_set_icon_list(fe
->window
->window
, iconlist
);
1910 gtk_widget_show(fe
->area
);
1911 gtk_widget_show(fe
->window
);
1914 * Now that we've established the preferred size of the window,
1915 * reduce the drawing area's size request so the user can shrink
1918 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), 1, 1);
1920 gdk_window_set_background(fe
->area
->window
, &fe
->colours
[0]);
1921 gdk_window_set_background(fe
->window
->window
, &fe
->colours
[0]);
1926 char *fgetline(FILE *fp
)
1928 char *ret
= snewn(512, char);
1929 int size
= 512, len
= 0;
1930 while (fgets(ret
+ len
, size
- len
, fp
)) {
1931 len
+= strlen(ret
+ len
);
1932 if (ret
[len
-1] == '\n')
1933 break; /* got a newline, we're done */
1935 ret
= sresize(ret
, size
, char);
1937 if (len
== 0) { /* first fgets returned NULL */
1945 int main(int argc
, char **argv
)
1947 char *pname
= argv
[0];
1949 int ngenerate
= 0, print
= FALSE
, px
= 1, py
= 1;
1950 int soln
= FALSE
, colour
= FALSE
;
1952 float redo_proportion
= 0.0F
;
1953 char *savefile
= NULL
, *savesuffix
= NULL
;
1955 int argtype
= ARG_EITHER
;
1956 char *screenshot_file
= NULL
;
1957 int doing_opts
= TRUE
;
1963 * Command line parsing in this function is rather fiddly,
1964 * because GTK wants to have a go at argc/argv _first_ - and
1965 * yet we can't let it, because gtk_init() will bomb out if it
1966 * can't open an X display, whereas in fact we want to permit
1967 * our --generate and --print modes to run without an X
1971 * - we parse the command line ourselves, without modifying
1973 * - if we encounter an error which might plausibly be the
1974 * result of a GTK command line (i.e. not detailed errors in
1975 * particular options of ours) we store the error message
1976 * and terminate parsing.
1977 * - if we got enough out of the command line to know it
1978 * specifies a non-X mode of operation, we either display
1979 * the stored error and return failure, or if there is no
1980 * stored error we do the non-X operation and return
1982 * - otherwise, we go straight to gtk_init().
1988 if (doing_opts
&& !strcmp(p
, "--version")) {
1989 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1992 } else if (doing_opts
&& !strcmp(p
, "--generate")) {
1994 ngenerate
= atoi(*++av
);
1996 fprintf(stderr
, "%s: '--generate' expected a number\n",
2002 } else if (doing_opts
&& !strcmp(p
, "--save")) {
2006 fprintf(stderr
, "%s: '--save' expected a filename\n",
2010 } else if (doing_opts
&& (!strcmp(p
, "--save-suffix") ||
2011 !strcmp(p
, "--savesuffix"))) {
2015 fprintf(stderr
, "%s: '--save-suffix' expected a filename\n",
2019 } else if (doing_opts
&& !strcmp(p
, "--print")) {
2020 if (!thegame
.can_print
) {
2021 fprintf(stderr
, "%s: this game does not support printing\n",
2028 if (sscanf(dim
, "%dx%d", &px
, &py
) != 2) {
2029 fprintf(stderr
, "%s: unable to parse argument '%s' to "
2030 "'--print'\n", pname
, dim
);
2036 } else if (doing_opts
&& !strcmp(p
, "--scale")) {
2038 scale
= atof(*++av
);
2040 fprintf(stderr
, "%s: no argument supplied to '--scale'\n",
2044 } else if (doing_opts
&& !strcmp(p
, "--redo")) {
2046 * This is an internal option which I don't expect
2047 * users to have any particular use for. The effect of
2048 * --redo is that once the game has been loaded and
2049 * initialised, the next move in the redo chain is
2050 * replayed, and the game screen is redrawn part way
2051 * through the making of the move. This is only
2052 * meaningful if there _is_ a next move in the redo
2053 * chain, which means in turn that this option is only
2054 * useful if you're also passing a save file on the
2057 * This option is used by the script which generates
2058 * the puzzle icons and website screenshots, and I
2059 * don't imagine it's useful for anything else.
2060 * (Unless, I suppose, users don't like my screenshots
2061 * and want to generate their own in the same way for
2062 * some repackaged version of the puzzles.)
2065 redo_proportion
= atof(*++av
);
2067 fprintf(stderr
, "%s: no argument supplied to '--redo'\n",
2071 } else if (doing_opts
&& !strcmp(p
, "--screenshot")) {
2073 * Another internal option for the icon building
2074 * script. This causes a screenshot of the central
2075 * drawing area (i.e. not including the menu bar or
2076 * status bar) to be saved to a PNG file once the
2077 * window has been drawn, and then the application
2078 * quits immediately.
2081 screenshot_file
= *++av
;
2083 fprintf(stderr
, "%s: no argument supplied to '--screenshot'\n",
2087 } else if (doing_opts
&& (!strcmp(p
, "--with-solutions") ||
2088 !strcmp(p
, "--with-solution") ||
2089 !strcmp(p
, "--with-solns") ||
2090 !strcmp(p
, "--with-soln") ||
2091 !strcmp(p
, "--solutions") ||
2092 !strcmp(p
, "--solution") ||
2093 !strcmp(p
, "--solns") ||
2094 !strcmp(p
, "--soln"))) {
2096 } else if (doing_opts
&& !strcmp(p
, "--colour")) {
2097 if (!thegame
.can_print_in_colour
) {
2098 fprintf(stderr
, "%s: this game does not support colour"
2099 " printing\n", pname
);
2103 } else if (doing_opts
&& !strcmp(p
, "--load")) {
2105 } else if (doing_opts
&& !strcmp(p
, "--game")) {
2107 } else if (doing_opts
&& !strcmp(p
, "--")) {
2109 } else if (!doing_opts
|| p
[0] != '-') {
2111 fprintf(stderr
, "%s: more than one argument supplied\n",
2117 sprintf(errbuf
, "%.100s: unrecognised option '%.100s'\n",
2124 fputs(errbuf
, stderr
);
2129 * Special standalone mode for generating puzzle IDs on the
2130 * command line. Useful for generating puzzles to be printed
2131 * out and solved offline (for puzzles where that even makes
2132 * sense - Solo, for example, is a lot more pencil-and-paper
2133 * friendly than Twiddle!)
2137 * <puzzle-name> --generate [<n> [<params>]]
2139 * <n>, if present, is the number of puzzle IDs to generate.
2140 * <params>, if present, is the same type of parameter string
2141 * you would pass to the puzzle when running it in GUI mode,
2142 * including optional extras such as the expansion factor in
2143 * Rectangles and the difficulty level in Solo.
2145 * If you specify <params>, you must also specify <n> (although
2146 * you may specify it to be 1). Sorry; that was the
2147 * simplest-to-parse command-line syntax I came up with.
2149 if (ngenerate
> 0 || print
|| savefile
|| savesuffix
) {
2153 document
*doc
= NULL
;
2157 me
= midend_new(NULL
, &thegame
, NULL
, NULL
);
2160 if (savefile
&& !savesuffix
)
2162 if (!savefile
&& savesuffix
)
2166 doc
= document_new(px
, py
, scale
);
2169 * In this loop, we either generate a game ID or read one
2170 * from stdin depending on whether we're in generate mode;
2171 * then we either write it to stdout or print it, depending
2172 * on whether we're in print mode. Thus, this loop handles
2173 * generate-to-stdout, print-from-stdin and generate-and-
2174 * immediately-print modes.
2176 * (It could also handle a copy-stdin-to-stdout mode,
2177 * although there's currently no combination of options
2178 * which will cause this loop to be activated in that mode.
2179 * It wouldn't be _entirely_ pointless, though, because
2180 * stdin could contain bare params strings or random-seed
2181 * IDs, and stdout would contain nothing but fully
2182 * generated descriptive game IDs.)
2184 while (ngenerate
== 0 || i
< n
) {
2187 if (ngenerate
== 0) {
2188 pstr
= fgetline(stdin
);
2191 pstr
[strcspn(pstr
, "\r\n")] = '\0';
2194 pstr
= snewn(strlen(arg
) + 40, char);
2197 if (i
> 0 && strchr(arg
, '#'))
2198 sprintf(pstr
+ strlen(pstr
), "-%d", i
);
2204 err
= midend_game_id(me
, pstr
);
2206 fprintf(stderr
, "%s: error parsing '%s': %s\n",
2213 midend_new_game(me
);
2216 err
= midend_print_puzzle(me
, doc
, soln
);
2218 fprintf(stderr
, "%s: error in printing: %s\n", pname
, err
);
2223 struct savefile_write_ctx ctx
;
2224 char *realname
= snewn(40 + strlen(savefile
) +
2225 strlen(savesuffix
), char);
2226 sprintf(realname
, "%s%d%s", savefile
, i
, savesuffix
);
2227 ctx
.fp
= fopen(realname
, "w");
2229 fprintf(stderr
, "%s: open: %s\n", realname
,
2234 midend_serialise(me
, savefile_write
, &ctx
);
2236 fprintf(stderr
, "%s: write: %s\n", realname
,
2237 strerror(ctx
.error
));
2240 if (fclose(ctx
.fp
)) {
2241 fprintf(stderr
, "%s: close: %s\n", realname
,
2246 if (!doc
&& !savefile
) {
2247 id
= midend_get_game_id(me
);
2256 psdata
*ps
= ps_init(stdout
, colour
);
2257 document_print(doc
, ps_drawing_api(ps
));
2268 gtk_init(&argc
, &argv
);
2270 fe
= new_window(arg
, argtype
, &error
);
2273 fprintf(stderr
, "%s: %s\n", pname
, error
);
2277 if (screenshot_file
) {
2279 * Some puzzles will not redraw their entire area if
2280 * given a partially completed animation, which means
2281 * we must redraw now and _then_ redraw again after
2282 * freezing the move timer.
2284 midend_force_redraw(fe
->me
);
2287 if (redo_proportion
) {
2289 midend_process_key(fe
->me
, 0, 0, 'r');
2290 /* And freeze the timer at the specified position. */
2291 midend_freeze_timer(fe
->me
, redo_proportion
);
2294 if (screenshot_file
) {
2296 GError
*gerror
= NULL
;
2298 midend_redraw(fe
->me
);
2300 pb
= gdk_pixbuf_get_from_drawable(NULL
, fe
->pixmap
,
2301 NULL
, 0, 0, 0, 0, -1, -1);
2302 gdk_pixbuf_save(pb
, screenshot_file
, "png", &gerror
, NULL
);