2 * gtk.c: GTK front end for my puzzle collection.
17 #include <gdk/gdkkeysyms.h>
19 #include <gdk-pixbuf/gdk-pixbuf.h>
23 #include <X11/Xutil.h>
24 #include <X11/Xatom.h>
28 #if GTK_CHECK_VERSION(2,0,0)
30 # ifdef PANGO_VERSION_CHECK
31 # if PANGO_VERSION_CHECK(1,8,0)
32 # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
36 #if !GTK_CHECK_VERSION(2,4,0)
39 #if GTK_CHECK_VERSION(2,8,0)
43 /* #undef USE_CAIRO */
44 /* #define NO_THICK_LINE */
46 static FILE *debug_fp
= NULL
;
51 debug_fp
= fopen("debug.log", "w");
62 void debug_printf(char *fmt
, ...)
68 vsprintf(buf
, fmt
, ap
);
74 /* ----------------------------------------------------------------------
75 * Error reporting functions used elsewhere.
78 void fatal(char *fmt
, ...)
82 fprintf(stderr
, "fatal error: ");
85 vfprintf(stderr
, fmt
, ap
);
88 fprintf(stderr
, "\n");
92 /* ----------------------------------------------------------------------
93 * GTK front end to puzzles.
96 static void changed_preset(frontend
*fe
);
100 PangoFontDescription
*desc
;
109 * This structure holds all the data relevant to a single window.
110 * In principle this would allow us to open multiple independent
111 * puzzle windows, although I can't currently see any real point in
112 * doing so. I'm just coding cleanly because there's no
113 * particularly good reason not to.
117 GtkAccelGroup
*accelgroup
;
119 GtkWidget
*statusbar
;
124 const float *colours
;
126 cairo_surface_t
*image
;
135 int bbox_l
, bbox_r
, bbox_u
, bbox_d
;
136 int timer_active
, timer_id
;
137 struct timeval last_time
;
139 int nfonts
, fontsize
;
141 int cfg_which
, cfgret
;
145 int pw
, ph
; /* pixmap size (w, h are area size) */
146 int ox
, oy
; /* offset of pixmap in drawing area */
150 GSList
*preset_radio
;
151 int n_preset_menu_items
;
153 GtkWidget
*preset_custom
;
154 GtkWidget
*copy_menu_item
;
159 cairo_surface_t
*image
;
166 void get_random_seed(void **randseed
, int *randseedsize
)
168 struct timeval
*tvp
= snew(struct timeval
);
169 gettimeofday(tvp
, NULL
);
170 *randseed
= (void *)tvp
;
171 *randseedsize
= sizeof(struct timeval
);
174 void frontend_default_colour(frontend
*fe
, float *output
)
176 GdkColor col
= fe
->window
->style
->bg
[GTK_STATE_NORMAL
];
177 output
[0] = col
.red
/ 65535.0;
178 output
[1] = col
.green
/ 65535.0;
179 output
[2] = col
.blue
/ 65535.0;
182 void gtk_status_bar(void *handle
, char *text
)
184 frontend
*fe
= (frontend
*)handle
;
186 assert(fe
->statusbar
);
188 gtk_statusbar_pop(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
);
189 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
, text
);
192 /* ----------------------------------------------------------------------
193 * Cairo drawing functions.
198 static void setup_drawing(frontend
*fe
)
200 fe
->cr
= cairo_create(fe
->image
);
201 cairo_set_antialias(fe
->cr
, CAIRO_ANTIALIAS_GRAY
);
202 cairo_set_line_width(fe
->cr
, 1.0);
203 cairo_set_line_cap(fe
->cr
, CAIRO_LINE_CAP_SQUARE
);
204 cairo_set_line_join(fe
->cr
, CAIRO_LINE_JOIN_ROUND
);
207 static void teardown_drawing(frontend
*fe
)
211 cairo_destroy(fe
->cr
);
214 cr
= gdk_cairo_create(fe
->pixmap
);
215 cairo_set_source_surface(cr
, fe
->image
, 0, 0);
219 fe
->bbox_r
- fe
->bbox_l
+ 2,
220 fe
->bbox_d
- fe
->bbox_u
+ 2);
225 static void snaffle_colours(frontend
*fe
)
227 fe
->colours
= midend_colours(fe
->me
, &fe
->ncolours
);
230 static void set_colour(frontend
*fe
, int colour
)
232 cairo_set_source_rgb(fe
->cr
,
233 fe
->colours
[3*colour
+ 0],
234 fe
->colours
[3*colour
+ 1],
235 fe
->colours
[3*colour
+ 2]);
238 static void set_window_background(frontend
*fe
, int colour
)
243 colmap
= gdk_colormap_get_system();
244 backg
.red
= fe
->colours
[3*colour
+ 0] * 65535;
245 backg
.green
= fe
->colours
[3*colour
+ 1] * 65535;
246 backg
.blue
= fe
->colours
[3*colour
+ 2] * 65535;
247 if (!gdk_colormap_alloc_color(colmap
, &backg
, FALSE
, FALSE
)) {
248 g_error("couldn't allocate background (#%02x%02x%02x)\n",
249 backg
.red
>> 8, backg
.green
>> 8, backg
.blue
>> 8);
251 gdk_window_set_background(fe
->area
->window
, &backg
);
252 gdk_window_set_background(fe
->window
->window
, &backg
);
255 static PangoLayout
*make_pango_layout(frontend
*fe
)
257 return (pango_cairo_create_layout(fe
->cr
));
260 static void draw_pango_layout(frontend
*fe
, PangoLayout
*layout
,
263 cairo_move_to(fe
->cr
, x
, y
);
264 pango_cairo_show_layout(fe
->cr
, layout
);
267 static void save_screenshot_png(frontend
*fe
, const char *screenshot_file
)
269 cairo_surface_write_to_png(fe
->image
, screenshot_file
);
272 static void do_clip(frontend
*fe
, int x
, int y
, int w
, int h
)
274 cairo_new_path(fe
->cr
);
275 cairo_rectangle(fe
->cr
, x
, y
, w
, h
);
279 static void do_unclip(frontend
*fe
)
281 cairo_reset_clip(fe
->cr
);
284 static void do_draw_rect(frontend
*fe
, int x
, int y
, int w
, int h
)
287 cairo_new_path(fe
->cr
);
288 cairo_set_antialias(fe
->cr
, CAIRO_ANTIALIAS_NONE
);
289 cairo_rectangle(fe
->cr
, x
, y
, w
, h
);
291 cairo_restore(fe
->cr
);
294 static void do_draw_line(frontend
*fe
, int x1
, int y1
, int x2
, int y2
)
296 cairo_new_path(fe
->cr
);
297 cairo_move_to(fe
->cr
, x1
+ 0.5, y1
+ 0.5);
298 cairo_line_to(fe
->cr
, x2
+ 0.5, y2
+ 0.5);
299 cairo_stroke(fe
->cr
);
302 static void do_draw_thick_line(frontend
*fe
, float thickness
,
303 float x1
, float y1
, float x2
, float y2
)
306 cairo_set_line_width(fe
->cr
, thickness
);
307 cairo_new_path(fe
->cr
);
308 cairo_move_to(fe
->cr
, x1
, y1
);
309 cairo_line_to(fe
->cr
, x2
, y2
);
310 cairo_stroke(fe
->cr
);
311 cairo_restore(fe
->cr
);
314 static void do_draw_poly(frontend
*fe
, int *coords
, int npoints
,
315 int fillcolour
, int outlinecolour
)
319 cairo_new_path(fe
->cr
);
320 for (i
= 0; i
< npoints
; i
++)
321 cairo_line_to(fe
->cr
, coords
[i
*2] + 0.5, coords
[i
*2 + 1] + 0.5);
322 cairo_close_path(fe
->cr
);
323 if (fillcolour
>= 0) {
324 set_colour(fe
, fillcolour
);
325 cairo_fill_preserve(fe
->cr
);
327 assert(outlinecolour
>= 0);
328 set_colour(fe
, outlinecolour
);
329 cairo_stroke(fe
->cr
);
332 static void do_draw_circle(frontend
*fe
, int cx
, int cy
, int radius
,
333 int fillcolour
, int outlinecolour
)
335 cairo_new_path(fe
->cr
);
336 cairo_arc(fe
->cr
, cx
+ 0.5, cy
+ 0.5, radius
, 0, 2*PI
);
337 cairo_close_path(fe
->cr
); /* Just in case... */
338 if (fillcolour
>= 0) {
339 set_colour(fe
, fillcolour
);
340 cairo_fill_preserve(fe
->cr
);
342 assert(outlinecolour
>= 0);
343 set_colour(fe
, outlinecolour
);
344 cairo_stroke(fe
->cr
);
347 static void setup_blitter(blitter
*bl
, int w
, int h
)
349 bl
->image
= cairo_image_surface_create(CAIRO_FORMAT_RGB24
, w
, h
);
352 static void teardown_blitter(blitter
*bl
)
354 cairo_surface_destroy(bl
->image
);
357 static void do_blitter_save(frontend
*fe
, blitter
*bl
, int x
, int y
)
359 cairo_t
*cr
= cairo_create(bl
->image
);
361 cairo_set_source_surface(cr
, fe
->image
, -x
, -y
);
366 static void do_blitter_load(frontend
*fe
, blitter
*bl
, int x
, int y
)
368 cairo_set_source_surface(fe
->cr
, bl
->image
, x
, y
);
372 static void clear_backing_store(frontend
*fe
)
377 static void setup_backing_store(frontend
*fe
)
382 fe
->pixmap
= gdk_pixmap_new(fe
->area
->window
, fe
->pw
, fe
->ph
, -1);
383 fe
->image
= cairo_image_surface_create(CAIRO_FORMAT_RGB24
,
386 for (i
= 0; i
< 3; i
++) {
388 case 0: cr
= cairo_create(fe
->image
); break;
389 case 1: cr
= gdk_cairo_create(fe
->pixmap
); break;
390 case 2: cr
= gdk_cairo_create(fe
->area
->window
); break;
392 cairo_set_source_rgb(cr
,
393 fe
->colours
[0], fe
->colours
[1], fe
->colours
[2]);
399 static int backing_store_ok(frontend
*fe
)
401 return (!!fe
->image
);
404 static void teardown_backing_store(frontend
*fe
)
406 cairo_surface_destroy(fe
->image
);
407 gdk_pixmap_unref(fe
->pixmap
);
411 static void repaint_rectangle(frontend
*fe
, GtkWidget
*widget
,
412 int x
, int y
, int w
, int h
)
414 gdk_draw_pixmap(widget
->window
,
415 widget
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
417 x
- fe
->ox
, y
- fe
->oy
, x
, y
, w
, h
);
422 /* ----------------------------------------------------------------------
423 * GDK drawing functions.
428 static void setup_drawing(frontend
*fe
)
430 fe
->gc
= gdk_gc_new(fe
->area
->window
);
433 static void teardown_drawing(frontend
*fe
)
435 gdk_gc_unref(fe
->gc
);
439 static void snaffle_colours(frontend
*fe
)
445 fe
->colmap
= gdk_colormap_get_system();
446 colours
= midend_colours(fe
->me
, &ncolours
);
447 fe
->ncolours
= ncolours
;
448 fe
->colours
= snewn(ncolours
, GdkColor
);
449 for (i
= 0; i
< ncolours
; i
++) {
450 fe
->colours
[i
].red
= colours
[i
*3] * 0xFFFF;
451 fe
->colours
[i
].green
= colours
[i
*3+1] * 0xFFFF;
452 fe
->colours
[i
].blue
= colours
[i
*3+2] * 0xFFFF;
454 success
= snewn(ncolours
, gboolean
);
455 gdk_colormap_alloc_colors(fe
->colmap
, fe
->colours
, ncolours
,
456 FALSE
, FALSE
, success
);
457 for (i
= 0; i
< ncolours
; i
++) {
459 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
460 i
, fe
->colours
[i
].red
>> 8,
461 fe
->colours
[i
].green
>> 8,
462 fe
->colours
[i
].blue
>> 8);
467 static void set_window_background(frontend
*fe
, int colour
)
469 gdk_window_set_background(fe
->area
->window
, &fe
->colours
[colour
]);
470 gdk_window_set_background(fe
->window
->window
, &fe
->colours
[colour
]);
473 static void set_colour(frontend
*fe
, int colour
)
475 gdk_gc_set_foreground(fe
->gc
, &fe
->colours
[colour
]);
479 static PangoLayout
*make_pango_layout(frontend
*fe
)
481 return (pango_layout_new(gtk_widget_get_pango_context(fe
->area
)));
484 static void draw_pango_layout(frontend
*fe
, PangoLayout
*layout
,
487 gdk_draw_layout(fe
->pixmap
, fe
->gc
, x
, y
, layout
);
491 static void save_screenshot_png(frontend
*fe
, const char *screenshot_file
)
494 GError
*gerror
= NULL
;
496 midend_redraw(fe
->me
);
498 pb
= gdk_pixbuf_get_from_drawable(NULL
, fe
->pixmap
,
499 NULL
, 0, 0, 0, 0, -1, -1);
500 gdk_pixbuf_save(pb
, screenshot_file
, "png", &gerror
, NULL
);
503 static void do_clip(frontend
*fe
, int x
, int y
, int w
, int h
)
511 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
514 static void do_unclip(frontend
*fe
)
522 gdk_gc_set_clip_rectangle(fe
->gc
, &rect
);
525 static void do_draw_rect(frontend
*fe
, int x
, int y
, int w
, int h
)
527 gdk_draw_rectangle(fe
->pixmap
, fe
->gc
, 1, x
, y
, w
, h
);
530 static void do_draw_line(frontend
*fe
, int x1
, int y1
, int x2
, int y2
)
532 gdk_draw_line(fe
->pixmap
, fe
->gc
, x1
, y1
, x2
, y2
);
535 static void do_draw_thick_line(frontend
*fe
, float thickness
,
536 float x1
, float y1
, float x2
, float y2
)
540 gdk_gc_get_values(fe
->gc
, &save
);
541 gdk_gc_set_line_attributes(fe
->gc
,
546 gdk_draw_line(fe
->pixmap
, fe
->gc
, x1
, y1
, x2
, y2
);
547 gdk_gc_set_line_attributes(fe
->gc
,
554 static void do_draw_poly(frontend
*fe
, int *coords
, int npoints
,
555 int fillcolour
, int outlinecolour
)
557 GdkPoint
*points
= snewn(npoints
, GdkPoint
);
560 for (i
= 0; i
< npoints
; i
++) {
561 points
[i
].x
= coords
[i
*2];
562 points
[i
].y
= coords
[i
*2+1];
565 if (fillcolour
>= 0) {
566 set_colour(fe
, fillcolour
);
567 gdk_draw_polygon(fe
->pixmap
, fe
->gc
, TRUE
, points
, npoints
);
569 assert(outlinecolour
>= 0);
570 set_colour(fe
, outlinecolour
);
573 * In principle we ought to be able to use gdk_draw_polygon for
574 * the outline as well. In fact, it turns out to interact badly
575 * with a clipping region, for no terribly obvious reason, so I
576 * draw the outline as a sequence of lines instead.
578 for (i
= 0; i
< npoints
; i
++)
579 gdk_draw_line(fe
->pixmap
, fe
->gc
,
580 points
[i
].x
, points
[i
].y
,
581 points
[(i
+1)%npoints
].x
, points
[(i
+1)%npoints
].y
);
586 static void do_draw_circle(frontend
*fe
, int cx
, int cy
, int radius
,
587 int fillcolour
, int outlinecolour
)
589 if (fillcolour
>= 0) {
590 set_colour(fe
, fillcolour
);
591 gdk_draw_arc(fe
->pixmap
, fe
->gc
, TRUE
,
592 cx
- radius
, cy
- radius
,
593 2 * radius
, 2 * radius
, 0, 360 * 64);
596 assert(outlinecolour
>= 0);
597 set_colour(fe
, outlinecolour
);
598 gdk_draw_arc(fe
->pixmap
, fe
->gc
, FALSE
,
599 cx
- radius
, cy
- radius
,
600 2 * radius
, 2 * radius
, 0, 360 * 64);
603 static void setup_blitter(blitter
*bl
, int w
, int h
)
606 * We can't create the pixmap right now, because fe->window
607 * might not yet exist. So we just cache w and h and create it
608 * during the firs call to blitter_save.
613 static void teardown_blitter(blitter
*bl
)
616 gdk_pixmap_unref(bl
->pixmap
);
619 static void do_blitter_save(frontend
*fe
, blitter
*bl
, int x
, int y
)
622 bl
->pixmap
= gdk_pixmap_new(fe
->area
->window
, bl
->w
, bl
->h
, -1);
623 gdk_draw_pixmap(bl
->pixmap
,
624 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
626 x
, y
, 0, 0, bl
->w
, bl
->h
);
629 static void do_blitter_load(frontend
*fe
, blitter
*bl
, int x
, int y
)
632 gdk_draw_pixmap(fe
->pixmap
,
633 fe
->area
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
635 0, 0, x
, y
, bl
->w
, bl
->h
);
638 static void clear_backing_store(frontend
*fe
)
643 static void setup_backing_store(frontend
*fe
)
647 fe
->pixmap
= gdk_pixmap_new(fe
->area
->window
, fe
->pw
, fe
->ph
, -1);
649 gc
= gdk_gc_new(fe
->area
->window
);
650 gdk_gc_set_foreground(gc
, &fe
->colours
[0]);
651 gdk_draw_rectangle(fe
->pixmap
, gc
, 1, 0, 0, fe
->pw
, fe
->ph
);
652 gdk_draw_rectangle(fe
->area
->window
, gc
, 1, 0, 0, fe
->w
, fe
->h
);
656 static int backing_store_ok(frontend
*fe
)
658 return (!!fe
->pixmap
);
661 static void teardown_backing_store(frontend
*fe
)
663 gdk_pixmap_unref(fe
->pixmap
);
667 static void repaint_rectangle(frontend
*fe
, GtkWidget
*widget
,
668 int x
, int y
, int w
, int h
)
670 gdk_draw_pixmap(widget
->window
,
671 widget
->style
->fg_gc
[GTK_WIDGET_STATE(fe
->area
)],
673 x
- fe
->ox
, y
- fe
->oy
, x
, y
, w
, h
);
678 /* ----------------------------------------------------------------------
679 * Pango font functions.
684 static void add_font(frontend
*fe
, int index
, int fonttype
, int fontsize
)
687 * Use Pango to find the closest match to the requested
690 PangoFontDescription
*fd
;
692 fd
= pango_font_description_new();
693 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
694 pango_font_description_set_family(fd
, fonttype
== FONT_FIXED ?
695 "Monospace" : "Sans");
696 pango_font_description_set_weight(fd
, PANGO_WEIGHT_BOLD
);
698 * I found some online Pango documentation which
699 * described a function called
700 * pango_font_description_set_absolute_size(), which is
701 * _exactly_ what I want here. Unfortunately, none of
702 * my local Pango installations have it (presumably
703 * they're too old), so I'm going to have to hack round
704 * it by figuring out the point size myself. This
705 * limits me to X and probably also breaks in later
706 * Pango installations, so ideally I should add another
707 * CHECK_VERSION type ifdef and use set_absolute_size
708 * where available. All very annoying.
710 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
711 pango_font_description_set_absolute_size(fd
, PANGO_SCALE
*fontsize
);
714 Display
*d
= GDK_DISPLAY();
715 int s
= DefaultScreen(d
);
717 (PANGO_SCALE
* 72.27 / 25.4) *
718 ((double) DisplayWidthMM(d
, s
) / DisplayWidth (d
, s
));
719 pango_font_description_set_size(fd
, resolution
* fontsize
);
722 fe
->fonts
[index
].desc
= fd
;
725 static void align_and_draw_text(frontend
*fe
,
726 int index
, int align
, int x
, int y
,
732 layout
= make_pango_layout(fe
);
737 pango_layout_set_font_description(layout
, fe
->fonts
[index
].desc
);
738 pango_layout_set_text(layout
, text
, strlen(text
));
739 pango_layout_get_pixel_extents(layout
, NULL
, &rect
);
741 if (align
& ALIGN_VCENTRE
)
742 rect
.y
-= rect
.height
/ 2;
744 rect
.y
-= rect
.height
;
746 if (align
& ALIGN_HCENTRE
)
747 rect
.x
-= rect
.width
/ 2;
748 else if (align
& ALIGN_HRIGHT
)
749 rect
.x
-= rect
.width
;
751 draw_pango_layout(fe
, layout
, rect
.x
+ x
, rect
.y
+ y
);
753 g_object_unref(layout
);
758 /* ----------------------------------------------------------------------
759 * Old-fashioned font functions.
764 static void add_font(int index
, int fonttype
, int fontsize
)
767 * In GTK 1.2, I don't know of any plausible way to
768 * pick a suitable font, so I'm just going to be
771 fe
->fonts
[i
].font
= gdk_font_load(fonttype
== FONT_FIXED ?
772 "fixed" : "variable");
775 static void align_and_draw_text(int index
, int align
, int x
, int y
,
778 int lb
, rb
, wid
, asc
, desc
;
781 * Measure vertical string extents with respect to the same
784 gdk_string_extents(fe
->fonts
[i
].font
,
785 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
786 &lb
, &rb
, &wid
, &asc
, &desc
);
787 if (align
& ALIGN_VCENTRE
)
788 y
+= asc
- (asc
+desc
)/2;
793 * ... but horizontal extents with respect to the provided
794 * string. This means that multiple pieces of text centred
795 * on the same y-coordinate don't have different baselines.
797 gdk_string_extents(fe
->fonts
[i
].font
, text
,
798 &lb
, &rb
, &wid
, &asc
, &desc
);
800 if (align
& ALIGN_HCENTRE
)
802 else if (align
& ALIGN_HRIGHT
)
806 * Actually draw the text.
808 gdk_draw_string(fe
->pixmap
, fe
->fonts
[i
].font
, fe
->gc
, x
, y
, text
);
813 /* ----------------------------------------------------------------------
814 * The exported drawing functions.
817 void gtk_start_draw(void *handle
)
819 frontend
*fe
= (frontend
*)handle
;
827 void gtk_clip(void *handle
, int x
, int y
, int w
, int h
)
829 frontend
*fe
= (frontend
*)handle
;
830 do_clip(fe
, x
, y
, w
, h
);
833 void gtk_unclip(void *handle
)
835 frontend
*fe
= (frontend
*)handle
;
839 void gtk_draw_text(void *handle
, int x
, int y
, int fonttype
, int fontsize
,
840 int align
, int colour
, char *text
)
842 frontend
*fe
= (frontend
*)handle
;
846 * Find or create the font.
848 for (i
= 0; i
< fe
->nfonts
; i
++)
849 if (fe
->fonts
[i
].type
== fonttype
&& fe
->fonts
[i
].size
== fontsize
)
852 if (i
== fe
->nfonts
) {
853 if (fe
->fontsize
<= fe
->nfonts
) {
854 fe
->fontsize
= fe
->nfonts
+ 10;
855 fe
->fonts
= sresize(fe
->fonts
, fe
->fontsize
, struct font
);
860 fe
->fonts
[i
].type
= fonttype
;
861 fe
->fonts
[i
].size
= fontsize
;
862 add_font(fe
, i
, fonttype
, fontsize
);
868 set_colour(fe
, colour
);
869 align_and_draw_text(fe
, i
, align
, x
, y
, text
);
872 void gtk_draw_rect(void *handle
, int x
, int y
, int w
, int h
, int colour
)
874 frontend
*fe
= (frontend
*)handle
;
875 set_colour(fe
, colour
);
876 do_draw_rect(fe
, x
, y
, w
, h
);
879 void gtk_draw_line(void *handle
, int x1
, int y1
, int x2
, int y2
, int colour
)
881 frontend
*fe
= (frontend
*)handle
;
882 set_colour(fe
, colour
);
883 do_draw_line(fe
, x1
, y1
, x2
, y2
);
886 void gtk_draw_thick_line(void *handle
, float thickness
,
887 float x1
, float y1
, float x2
, float y2
, int colour
)
889 frontend
*fe
= (frontend
*)handle
;
890 set_colour(fe
, colour
);
891 do_draw_thick_line(fe
, thickness
, x1
, y1
, x2
, y2
);
894 void gtk_draw_poly(void *handle
, int *coords
, int npoints
,
895 int fillcolour
, int outlinecolour
)
897 frontend
*fe
= (frontend
*)handle
;
898 do_draw_poly(fe
, coords
, npoints
, fillcolour
, outlinecolour
);
901 void gtk_draw_circle(void *handle
, int cx
, int cy
, int radius
,
902 int fillcolour
, int outlinecolour
)
904 frontend
*fe
= (frontend
*)handle
;
905 do_draw_circle(fe
, cx
, cy
, radius
, fillcolour
, outlinecolour
);
908 blitter
*gtk_blitter_new(void *handle
, int w
, int h
)
910 blitter
*bl
= snew(blitter
);
911 setup_blitter(bl
, w
, h
);
917 void gtk_blitter_free(void *handle
, blitter
*bl
)
919 teardown_blitter(bl
);
923 void gtk_blitter_save(void *handle
, blitter
*bl
, int x
, int y
)
925 frontend
*fe
= (frontend
*)handle
;
926 do_blitter_save(fe
, bl
, x
, y
);
931 void gtk_blitter_load(void *handle
, blitter
*bl
, int x
, int y
)
933 frontend
*fe
= (frontend
*)handle
;
934 if (x
== BLITTER_FROMSAVED
&& y
== BLITTER_FROMSAVED
) {
938 do_blitter_load(fe
, bl
, x
, y
);
941 void gtk_draw_update(void *handle
, int x
, int y
, int w
, int h
)
943 frontend
*fe
= (frontend
*)handle
;
944 if (fe
->bbox_l
> x
) fe
->bbox_l
= x
;
945 if (fe
->bbox_r
< x
+w
) fe
->bbox_r
= x
+w
;
946 if (fe
->bbox_u
> y
) fe
->bbox_u
= y
;
947 if (fe
->bbox_d
< y
+h
) fe
->bbox_d
= y
+h
;
950 void gtk_end_draw(void *handle
)
952 frontend
*fe
= (frontend
*)handle
;
954 teardown_drawing(fe
);
956 if (fe
->bbox_l
< fe
->bbox_r
&& fe
->bbox_u
< fe
->bbox_d
) {
957 repaint_rectangle(fe
, fe
->area
,
958 fe
->bbox_l
- 1 + fe
->ox
,
959 fe
->bbox_u
- 1 + fe
->oy
,
960 fe
->bbox_r
- fe
->bbox_l
+ 2,
961 fe
->bbox_d
- fe
->bbox_u
+ 2);
966 char *gtk_text_fallback(void *handle
, const char *const *strings
, int nstrings
)
969 * We assume Pango can cope with any UTF-8 likely to be emitted
972 return dupstr(strings
[0]);
976 const struct drawing_api gtk_drawing
= {
992 NULL
, NULL
, NULL
, NULL
, NULL
, NULL
, /* {begin,end}_{doc,page,puzzle} */
993 NULL
, NULL
, /* line_width, line_dotted */
1002 gtk_draw_thick_line
,
1006 static void destroy(GtkWidget
*widget
, gpointer data
)
1008 frontend
*fe
= (frontend
*)data
;
1009 deactivate_timer(fe
);
1010 midend_free(fe
->me
);
1014 static gint
key_event(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
1016 frontend
*fe
= (frontend
*)data
;
1018 int shift
= (event
->state
& GDK_SHIFT_MASK
) ? MOD_SHFT
: 0;
1019 int ctrl
= (event
->state
& GDK_CONTROL_MASK
) ? MOD_CTRL
: 0;
1021 if (!backing_store_ok(fe
))
1024 #if !GTK_CHECK_VERSION(2,0,0)
1025 /* Gtk 1.2 passes a key event to this function even if it's also
1026 * defined as an accelerator.
1027 * Gtk 2 doesn't do this, and this function appears not to exist there. */
1028 if (fe
->accelgroup
&&
1029 gtk_accel_group_get_entry(fe
->accelgroup
,
1030 event
->keyval
, event
->state
))
1034 /* Handle mnemonics. */
1035 if (gtk_window_activate_key(GTK_WINDOW(fe
->window
), event
))
1038 if (event
->keyval
== GDK_Up
)
1039 keyval
= shift
| ctrl
| CURSOR_UP
;
1040 else if (event
->keyval
== GDK_KP_Up
|| event
->keyval
== GDK_KP_8
)
1041 keyval
= MOD_NUM_KEYPAD
| '8';
1042 else if (event
->keyval
== GDK_Down
)
1043 keyval
= shift
| ctrl
| CURSOR_DOWN
;
1044 else if (event
->keyval
== GDK_KP_Down
|| event
->keyval
== GDK_KP_2
)
1045 keyval
= MOD_NUM_KEYPAD
| '2';
1046 else if (event
->keyval
== GDK_Left
)
1047 keyval
= shift
| ctrl
| CURSOR_LEFT
;
1048 else if (event
->keyval
== GDK_KP_Left
|| event
->keyval
== GDK_KP_4
)
1049 keyval
= MOD_NUM_KEYPAD
| '4';
1050 else if (event
->keyval
== GDK_Right
)
1051 keyval
= shift
| ctrl
| CURSOR_RIGHT
;
1052 else if (event
->keyval
== GDK_KP_Right
|| event
->keyval
== GDK_KP_6
)
1053 keyval
= MOD_NUM_KEYPAD
| '6';
1054 else if (event
->keyval
== GDK_KP_Home
|| event
->keyval
== GDK_KP_7
)
1055 keyval
= MOD_NUM_KEYPAD
| '7';
1056 else if (event
->keyval
== GDK_KP_End
|| event
->keyval
== GDK_KP_1
)
1057 keyval
= MOD_NUM_KEYPAD
| '1';
1058 else if (event
->keyval
== GDK_KP_Page_Up
|| event
->keyval
== GDK_KP_9
)
1059 keyval
= MOD_NUM_KEYPAD
| '9';
1060 else if (event
->keyval
== GDK_KP_Page_Down
|| event
->keyval
== GDK_KP_3
)
1061 keyval
= MOD_NUM_KEYPAD
| '3';
1062 else if (event
->keyval
== GDK_KP_Insert
|| event
->keyval
== GDK_KP_0
)
1063 keyval
= MOD_NUM_KEYPAD
| '0';
1064 else if (event
->keyval
== GDK_KP_Begin
|| event
->keyval
== GDK_KP_5
)
1065 keyval
= MOD_NUM_KEYPAD
| '5';
1066 else if (event
->keyval
== GDK_BackSpace
||
1067 event
->keyval
== GDK_Delete
||
1068 event
->keyval
== GDK_KP_Delete
)
1070 else if (event
->string
[0] && !event
->string
[1])
1071 keyval
= (unsigned char)event
->string
[0];
1076 !midend_process_key(fe
->me
, 0, 0, keyval
))
1077 gtk_widget_destroy(fe
->window
);
1082 static gint
button_event(GtkWidget
*widget
, GdkEventButton
*event
,
1085 frontend
*fe
= (frontend
*)data
;
1088 if (!backing_store_ok(fe
))
1091 if (event
->type
!= GDK_BUTTON_PRESS
&& event
->type
!= GDK_BUTTON_RELEASE
)
1094 if (event
->button
== 2 || (event
->state
& GDK_SHIFT_MASK
))
1095 button
= MIDDLE_BUTTON
;
1096 else if (event
->button
== 3 || (event
->state
& GDK_MOD1_MASK
))
1097 button
= RIGHT_BUTTON
;
1098 else if (event
->button
== 1)
1099 button
= LEFT_BUTTON
;
1101 return FALSE
; /* don't even know what button! */
1103 if (event
->type
== GDK_BUTTON_RELEASE
)
1104 button
+= LEFT_RELEASE
- LEFT_BUTTON
;
1106 if (!midend_process_key(fe
->me
, event
->x
- fe
->ox
,
1107 event
->y
- fe
->oy
, button
))
1108 gtk_widget_destroy(fe
->window
);
1113 static gint
motion_event(GtkWidget
*widget
, GdkEventMotion
*event
,
1116 frontend
*fe
= (frontend
*)data
;
1119 if (!backing_store_ok(fe
))
1122 if (event
->state
& (GDK_BUTTON2_MASK
| GDK_SHIFT_MASK
))
1123 button
= MIDDLE_DRAG
;
1124 else if (event
->state
& GDK_BUTTON1_MASK
)
1126 else if (event
->state
& GDK_BUTTON3_MASK
)
1127 button
= RIGHT_DRAG
;
1129 return FALSE
; /* don't even know what button! */
1131 if (!midend_process_key(fe
->me
, event
->x
- fe
->ox
,
1132 event
->y
- fe
->oy
, button
))
1133 gtk_widget_destroy(fe
->window
);
1134 #if GTK_CHECK_VERSION(2,12,0)
1135 gdk_event_request_motions(event
);
1137 gdk_window_get_pointer(widget
->window
, NULL
, NULL
, NULL
);
1143 static gint
expose_area(GtkWidget
*widget
, GdkEventExpose
*event
,
1146 frontend
*fe
= (frontend
*)data
;
1148 if (backing_store_ok(fe
)) {
1149 repaint_rectangle(fe
, widget
,
1150 event
->area
.x
, event
->area
.y
,
1151 event
->area
.width
, event
->area
.height
);
1156 static gint
map_window(GtkWidget
*widget
, GdkEvent
*event
,
1159 frontend
*fe
= (frontend
*)data
;
1162 * Apparently we need to do this because otherwise the status
1163 * bar will fail to update immediately. Annoying, but there we
1166 gtk_widget_queue_draw(fe
->window
);
1171 static gint
configure_area(GtkWidget
*widget
,
1172 GdkEventConfigure
*event
, gpointer data
)
1174 frontend
*fe
= (frontend
*)data
;
1177 if (backing_store_ok(fe
))
1178 teardown_backing_store(fe
);
1180 x
= fe
->w
= event
->width
;
1181 y
= fe
->h
= event
->height
;
1182 midend_size(fe
->me
, &x
, &y
, TRUE
);
1185 fe
->ox
= (fe
->w
- fe
->pw
) / 2;
1186 fe
->oy
= (fe
->h
- fe
->ph
) / 2;
1188 setup_backing_store(fe
);
1189 midend_force_redraw(fe
->me
);
1194 static gint
timer_func(gpointer data
)
1196 frontend
*fe
= (frontend
*)data
;
1198 if (fe
->timer_active
) {
1201 gettimeofday(&now
, NULL
);
1202 elapsed
= ((now
.tv_usec
- fe
->last_time
.tv_usec
) * 0.000001F
+
1203 (now
.tv_sec
- fe
->last_time
.tv_sec
));
1204 midend_timer(fe
->me
, elapsed
); /* may clear timer_active */
1205 fe
->last_time
= now
;
1208 return fe
->timer_active
;
1211 void deactivate_timer(frontend
*fe
)
1214 return; /* can happen due to --generate */
1215 if (fe
->timer_active
)
1216 gtk_timeout_remove(fe
->timer_id
);
1217 fe
->timer_active
= FALSE
;
1220 void activate_timer(frontend
*fe
)
1223 return; /* can happen due to --generate */
1224 if (!fe
->timer_active
) {
1225 fe
->timer_id
= gtk_timeout_add(20, timer_func
, fe
);
1226 gettimeofday(&fe
->last_time
, NULL
);
1228 fe
->timer_active
= TRUE
;
1231 static void window_destroy(GtkWidget
*widget
, gpointer data
)
1236 static void msgbox_button_clicked(GtkButton
*button
, gpointer data
)
1238 GtkWidget
*window
= GTK_WIDGET(data
);
1241 ip
= (int *)gtk_object_get_data(GTK_OBJECT(window
), "user-data");
1242 v
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button
), "user-data"));
1245 gtk_widget_destroy(GTK_WIDGET(data
));
1248 static int win_key_press(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
1250 GtkObject
*cancelbutton
= GTK_OBJECT(data
);
1253 * `Escape' effectively clicks the cancel button
1255 if (event
->keyval
== GDK_Escape
) {
1256 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton
), "clicked");
1263 enum { MB_OK
, MB_YESNO
};
1265 int message_box(GtkWidget
*parent
, char *title
, char *msg
, int centre
,
1268 GtkWidget
*window
, *hbox
, *text
, *button
;
1272 window
= gtk_dialog_new();
1273 text
= gtk_label_new(msg
);
1274 gtk_misc_set_alignment(GTK_MISC(text
), 0.0, 0.0);
1275 hbox
= gtk_hbox_new(FALSE
, 0);
1276 gtk_box_pack_start(GTK_BOX(hbox
), text
, FALSE
, FALSE
, 20);
1277 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window
)->vbox
),
1278 hbox
, FALSE
, FALSE
, 20);
1279 gtk_widget_show(text
);
1280 gtk_widget_show(hbox
);
1281 gtk_window_set_title(GTK_WINDOW(window
), title
);
1282 gtk_label_set_line_wrap(GTK_LABEL(text
), TRUE
);
1284 if (type
== MB_OK
) {
1285 titles
= GTK_STOCK_OK
"\0";
1288 assert(type
== MB_YESNO
);
1289 titles
= GTK_STOCK_NO
"\0" GTK_STOCK_YES
"\0";
1296 button
= gtk_button_new_from_stock(titles
);
1297 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window
)->action_area
),
1298 button
, FALSE
, FALSE
, 0);
1299 gtk_widget_show(button
);
1301 GTK_WIDGET_SET_FLAGS(button
, GTK_CAN_DEFAULT
);
1302 gtk_window_set_default(GTK_WINDOW(window
), button
);
1305 gtk_signal_connect(GTK_OBJECT(window
), "key_press_event",
1306 GTK_SIGNAL_FUNC(win_key_press
), button
);
1308 gtk_signal_connect(GTK_OBJECT(button
), "clicked",
1309 GTK_SIGNAL_FUNC(msgbox_button_clicked
), window
);
1310 gtk_object_set_data(GTK_OBJECT(button
), "user-data",
1311 GINT_TO_POINTER(i
));
1312 titles
+= strlen(titles
)+1;
1315 gtk_object_set_data(GTK_OBJECT(window
), "user-data",
1316 GINT_TO_POINTER(&i
));
1317 gtk_signal_connect(GTK_OBJECT(window
), "destroy",
1318 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
1319 gtk_window_set_modal(GTK_WINDOW(window
), TRUE
);
1320 gtk_window_set_transient_for(GTK_WINDOW(window
), GTK_WINDOW(parent
));
1321 /* set_transient_window_pos(parent, window); */
1322 gtk_widget_show(window
);
1325 return (type
== MB_YESNO ? i
== 1 : TRUE
);
1328 void error_box(GtkWidget
*parent
, char *msg
)
1330 message_box(parent
, "Error", msg
, FALSE
, MB_OK
);
1333 static void config_ok_button_clicked(GtkButton
*button
, gpointer data
)
1335 frontend
*fe
= (frontend
*)data
;
1338 err
= midend_set_config(fe
->me
, fe
->cfg_which
, fe
->cfg
);
1341 error_box(fe
->cfgbox
, err
);
1344 gtk_widget_destroy(fe
->cfgbox
);
1349 static void config_cancel_button_clicked(GtkButton
*button
, gpointer data
)
1351 frontend
*fe
= (frontend
*)data
;
1353 gtk_widget_destroy(fe
->cfgbox
);
1356 static int editbox_key(GtkWidget
*widget
, GdkEventKey
*event
, gpointer data
)
1359 * GtkEntry has a nasty habit of eating the Return key, which
1360 * is unhelpful since it doesn't actually _do_ anything with it
1361 * (it calls gtk_widget_activate, but our edit boxes never need
1362 * activating). So I catch Return before GtkEntry sees it, and
1363 * pass it straight on to the parent widget. Effect: hitting
1364 * Return in an edit box will now activate the default button
1365 * in the dialog just like it will everywhere else.
1367 if (event
->keyval
== GDK_Return
&& widget
->parent
!= NULL
) {
1369 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget
), "key_press_event");
1370 gtk_signal_emit_by_name(GTK_OBJECT(widget
->parent
), "key_press_event",
1371 event
, &return_val
);
1377 static void editbox_changed(GtkEditable
*ed
, gpointer data
)
1379 config_item
*i
= (config_item
*)data
;
1382 i
->sval
= dupstr(gtk_entry_get_text(GTK_ENTRY(ed
)));
1385 static void button_toggled(GtkToggleButton
*tb
, gpointer data
)
1387 config_item
*i
= (config_item
*)data
;
1389 i
->ival
= gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb
));
1392 static void droplist_sel(GtkMenuItem
*item
, gpointer data
)
1394 config_item
*i
= (config_item
*)data
;
1396 i
->ival
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item
),
1400 static int get_config(frontend
*fe
, int which
)
1402 GtkWidget
*w
, *table
, *cancel
;
1407 fe
->cfg
= midend_get_config(fe
->me
, which
, &title
);
1408 fe
->cfg_which
= which
;
1411 fe
->cfgbox
= gtk_dialog_new();
1412 gtk_window_set_title(GTK_WINDOW(fe
->cfgbox
), title
);
1415 w
= gtk_button_new_from_stock(GTK_STOCK_CANCEL
);
1416 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
1417 w
, FALSE
, FALSE
, 0);
1419 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
1420 GTK_SIGNAL_FUNC(config_cancel_button_clicked
), fe
);
1423 w
= gtk_button_new_from_stock(GTK_STOCK_OK
);
1424 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->action_area
),
1425 w
, FALSE
, FALSE
, 0);
1427 GTK_WIDGET_SET_FLAGS(w
, GTK_CAN_DEFAULT
);
1428 gtk_window_set_default(GTK_WINDOW(fe
->cfgbox
), w
);
1429 gtk_signal_connect(GTK_OBJECT(w
), "clicked",
1430 GTK_SIGNAL_FUNC(config_ok_button_clicked
), fe
);
1432 table
= gtk_table_new(1, 2, FALSE
);
1434 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe
->cfgbox
)->vbox
),
1435 table
, FALSE
, FALSE
, 0);
1436 gtk_widget_show(table
);
1438 for (i
= fe
->cfg
; i
->type
!= C_END
; i
++) {
1439 gtk_table_resize(GTK_TABLE(table
), y
+1, 2);
1444 * Edit box with a label beside it.
1447 w
= gtk_label_new(i
->name
);
1448 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
1449 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
1450 GTK_SHRINK
| GTK_FILL
,
1451 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1455 w
= gtk_entry_new();
1456 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
1457 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1458 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1460 gtk_entry_set_text(GTK_ENTRY(w
), i
->sval
);
1461 gtk_signal_connect(GTK_OBJECT(w
), "changed",
1462 GTK_SIGNAL_FUNC(editbox_changed
), i
);
1463 gtk_signal_connect(GTK_OBJECT(w
), "key_press_event",
1464 GTK_SIGNAL_FUNC(editbox_key
), NULL
);
1473 w
= gtk_check_button_new_with_label(i
->name
);
1474 gtk_signal_connect(GTK_OBJECT(w
), "toggled",
1475 GTK_SIGNAL_FUNC(button_toggled
), i
);
1476 gtk_table_attach(GTK_TABLE(table
), w
, 0, 2, y
, y
+1,
1477 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1478 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1480 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w
), i
->ival
);
1486 * Drop-down list (GtkOptionMenu).
1489 w
= gtk_label_new(i
->name
);
1490 gtk_misc_set_alignment(GTK_MISC(w
), 0.0, 0.5);
1491 gtk_table_attach(GTK_TABLE(table
), w
, 0, 1, y
, y
+1,
1492 GTK_SHRINK
| GTK_FILL
,
1493 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1497 w
= gtk_option_menu_new();
1498 gtk_table_attach(GTK_TABLE(table
), w
, 1, 2, y
, y
+1,
1499 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1500 GTK_EXPAND
| GTK_SHRINK
| GTK_FILL
,
1507 GtkWidget
*menuitem
;
1508 GtkWidget
*menu
= gtk_menu_new();
1510 gtk_option_menu_set_menu(GTK_OPTION_MENU(w
), menu
);
1518 while (*q
&& *q
!= c
)
1521 name
= snewn(q
-p
+1, char);
1522 strncpy(name
, p
, q
-p
);
1525 if (*q
) q
++; /* eat delimiter */
1527 menuitem
= gtk_menu_item_new_with_label(name
);
1528 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
1529 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1530 GINT_TO_POINTER(val
));
1531 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1532 GTK_SIGNAL_FUNC(droplist_sel
), i
);
1533 gtk_widget_show(menuitem
);
1540 gtk_option_menu_set_history(GTK_OPTION_MENU(w
), i
->ival
);
1549 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "destroy",
1550 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
1551 gtk_signal_connect(GTK_OBJECT(fe
->cfgbox
), "key_press_event",
1552 GTK_SIGNAL_FUNC(win_key_press
), cancel
);
1553 gtk_window_set_modal(GTK_WINDOW(fe
->cfgbox
), TRUE
);
1554 gtk_window_set_transient_for(GTK_WINDOW(fe
->cfgbox
),
1555 GTK_WINDOW(fe
->window
));
1556 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1557 gtk_widget_show(fe
->cfgbox
);
1565 static void menu_key_event(GtkMenuItem
*menuitem
, gpointer data
)
1567 frontend
*fe
= (frontend
*)data
;
1568 int key
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
1570 if (!midend_process_key(fe
->me
, 0, 0, key
))
1571 gtk_widget_destroy(fe
->window
);
1574 static void get_size(frontend
*fe
, int *px
, int *py
)
1579 * Currently I don't want to make the GTK port scale large
1580 * puzzles to fit on the screen. This is because X does permit
1581 * extremely large windows and many window managers provide a
1582 * means of navigating round them, and the users I consulted
1583 * before deciding said that they'd rather have enormous puzzle
1584 * windows spanning multiple screen pages than have them
1585 * shrunk. I could change my mind later or introduce
1586 * configurability; this would be the place to do so, by
1587 * replacing the initial values of x and y with the screen
1592 midend_size(fe
->me
, &x
, &y
, FALSE
);
1597 #if !GTK_CHECK_VERSION(2,0,0)
1598 #define gtk_window_resize(win, x, y) \
1599 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1603 * Called when any other code in this file has changed the
1604 * selected game parameters.
1606 static void changed_preset(frontend
*fe
)
1608 int n
= midend_which_preset(fe
->me
);
1610 fe
->preset_threaded
= TRUE
;
1611 if (n
< 0 && fe
->preset_custom
) {
1612 gtk_check_menu_item_set_active(
1613 GTK_CHECK_MENU_ITEM(fe
->preset_custom
),
1616 GSList
*gs
= fe
->preset_radio
;
1617 int i
= fe
->n_preset_menu_items
- 1 - n
;
1618 if (fe
->preset_custom
)
1625 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs
->data
),
1627 } else for (gs
= fe
->preset_radio
; gs
; gs
= gs
->next
) {
1628 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs
->data
),
1632 fe
->preset_threaded
= FALSE
;
1635 * Update the greying on the Copy menu option.
1637 if (fe
->copy_menu_item
) {
1638 int enabled
= midend_can_format_as_text_now(fe
->me
);
1639 gtk_widget_set_sensitive(fe
->copy_menu_item
, enabled
);
1643 static void resize_fe(frontend
*fe
)
1647 get_size(fe
, &x
, &y
);
1650 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
1653 gtk_widget_size_request(GTK_WIDGET(fe
->window
), &req
);
1654 gtk_window_resize(GTK_WINDOW(fe
->window
), req
.width
, req
.height
);
1657 * Now that we've established the preferred size of the window,
1658 * reduce the drawing area's size request so the user can shrink
1661 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), 1, 1);
1664 static void menu_preset_event(GtkMenuItem
*menuitem
, gpointer data
)
1666 frontend
*fe
= (frontend
*)data
;
1667 game_params
*params
=
1668 (game_params
*)gtk_object_get_data(GTK_OBJECT(menuitem
), "user-data");
1670 if (fe
->preset_threaded
||
1671 (GTK_IS_CHECK_MENU_ITEM(menuitem
) &&
1672 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem
))))
1674 midend_set_params(fe
->me
, params
);
1675 midend_new_game(fe
->me
);
1680 GdkAtom compound_text_atom
, utf8_string_atom
;
1681 int paste_initialised
= FALSE
;
1683 static void set_selection(frontend
*fe
, GdkAtom selection
)
1685 if (!paste_initialised
) {
1686 compound_text_atom
= gdk_atom_intern("COMPOUND_TEXT", FALSE
);
1687 utf8_string_atom
= gdk_atom_intern("UTF8_STRING", FALSE
);
1688 paste_initialised
= TRUE
;
1692 * For this simple application we can safely assume that the
1693 * data passed to this function is pure ASCII, which means we
1694 * can return precisely the same stuff for types STRING,
1695 * COMPOUND_TEXT or UTF8_STRING.
1698 if (gtk_selection_owner_set(fe
->area
, selection
, CurrentTime
)) {
1699 gtk_selection_clear_targets(fe
->area
, selection
);
1700 gtk_selection_add_target(fe
->area
, selection
,
1701 GDK_SELECTION_TYPE_STRING
, 1);
1702 gtk_selection_add_target(fe
->area
, selection
, compound_text_atom
, 1);
1703 gtk_selection_add_target(fe
->area
, selection
, utf8_string_atom
, 1);
1707 void write_clip(frontend
*fe
, char *data
)
1710 sfree(fe
->paste_data
);
1712 fe
->paste_data
= data
;
1713 fe
->paste_data_len
= strlen(data
);
1715 set_selection(fe
, GDK_SELECTION_PRIMARY
);
1716 set_selection(fe
, GDK_SELECTION_CLIPBOARD
);
1719 void selection_get(GtkWidget
*widget
, GtkSelectionData
*seldata
,
1720 guint info
, guint time_stamp
, gpointer data
)
1722 frontend
*fe
= (frontend
*)data
;
1723 gtk_selection_data_set(seldata
, seldata
->target
, 8,
1724 fe
->paste_data
, fe
->paste_data_len
);
1727 gint
selection_clear(GtkWidget
*widget
, GdkEventSelection
*seldata
,
1730 frontend
*fe
= (frontend
*)data
;
1733 sfree(fe
->paste_data
);
1734 fe
->paste_data
= NULL
;
1735 fe
->paste_data_len
= 0;
1739 static void menu_copy_event(GtkMenuItem
*menuitem
, gpointer data
)
1741 frontend
*fe
= (frontend
*)data
;
1744 text
= midend_text_format(fe
->me
);
1747 write_clip(fe
, text
);
1755 static void filesel_ok(GtkButton
*button
, gpointer data
)
1757 frontend
*fe
= (frontend
*)data
;
1759 gpointer filesel
= gtk_object_get_data(GTK_OBJECT(button
), "user-data");
1762 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel
));
1764 fe
->filesel_name
= dupstr(name
);
1767 static char *file_selector(frontend
*fe
, char *title
, int save
)
1769 GtkWidget
*filesel
=
1770 gtk_file_selection_new(title
);
1772 fe
->filesel_name
= NULL
;
1774 gtk_window_set_modal(GTK_WINDOW(filesel
), TRUE
);
1776 (GTK_OBJECT(GTK_FILE_SELECTION(filesel
)->ok_button
), "user-data",
1779 (GTK_OBJECT(GTK_FILE_SELECTION(filesel
)->ok_button
), "clicked",
1780 GTK_SIGNAL_FUNC(filesel_ok
), fe
);
1781 gtk_signal_connect_object
1782 (GTK_OBJECT(GTK_FILE_SELECTION(filesel
)->ok_button
), "clicked",
1783 GTK_SIGNAL_FUNC(gtk_widget_destroy
), (gpointer
)filesel
);
1784 gtk_signal_connect_object
1785 (GTK_OBJECT(GTK_FILE_SELECTION(filesel
)->cancel_button
), "clicked",
1786 GTK_SIGNAL_FUNC(gtk_widget_destroy
), (gpointer
)filesel
);
1787 gtk_signal_connect(GTK_OBJECT(filesel
), "destroy",
1788 GTK_SIGNAL_FUNC(window_destroy
), NULL
);
1789 gtk_widget_show(filesel
);
1790 gtk_window_set_transient_for(GTK_WINDOW(filesel
), GTK_WINDOW(fe
->window
));
1793 return fe
->filesel_name
;
1798 static char *file_selector(frontend
*fe
, char *title
, int save
)
1800 char *filesel_name
= NULL
;
1802 GtkWidget
*filesel
=
1803 gtk_file_chooser_dialog_new(title
,
1804 GTK_WINDOW(fe
->window
),
1805 save ? GTK_FILE_CHOOSER_ACTION_SAVE
:
1806 GTK_FILE_CHOOSER_ACTION_OPEN
,
1807 GTK_STOCK_CANCEL
, GTK_RESPONSE_CANCEL
,
1808 save ? GTK_STOCK_SAVE
: GTK_STOCK_OPEN
,
1809 GTK_RESPONSE_ACCEPT
,
1812 if (gtk_dialog_run(GTK_DIALOG(filesel
)) == GTK_RESPONSE_ACCEPT
) {
1813 const char *name
= gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel
));
1814 filesel_name
= dupstr(name
);
1817 gtk_widget_destroy(filesel
);
1819 return filesel_name
;
1824 struct savefile_write_ctx
{
1829 static void savefile_write(void *wctx
, void *buf
, int len
)
1831 struct savefile_write_ctx
*ctx
= (struct savefile_write_ctx
*)wctx
;
1832 if (fwrite(buf
, 1, len
, ctx
->fp
) < len
)
1836 static int savefile_read(void *wctx
, void *buf
, int len
)
1838 FILE *fp
= (FILE *)wctx
;
1841 ret
= fread(buf
, 1, len
, fp
);
1842 return (ret
== len
);
1845 static void menu_save_event(GtkMenuItem
*menuitem
, gpointer data
)
1847 frontend
*fe
= (frontend
*)data
;
1850 name
= file_selector(fe
, "Enter name of game file to save", TRUE
);
1855 if ((fp
= fopen(name
, "r")) != NULL
) {
1856 char buf
[256 + FILENAME_MAX
];
1860 sprintf(buf
, "Are you sure you want to overwrite the"
1862 FILENAME_MAX
, name
);
1863 if (!message_box(fe
->window
, "Question", buf
, TRUE
, MB_YESNO
))
1867 fp
= fopen(name
, "w");
1871 error_box(fe
->window
, "Unable to open save file");
1876 struct savefile_write_ctx ctx
;
1879 midend_serialise(fe
->me
, savefile_write
, &ctx
);
1883 sprintf(boxmsg
, "Error writing save file: %.400s",
1885 error_box(fe
->window
, boxmsg
);
1893 static void menu_load_event(GtkMenuItem
*menuitem
, gpointer data
)
1895 frontend
*fe
= (frontend
*)data
;
1898 name
= file_selector(fe
, "Enter name of saved game file to load", FALSE
);
1901 FILE *fp
= fopen(name
, "r");
1905 error_box(fe
->window
, "Unable to open saved game file");
1909 err
= midend_deserialise(fe
->me
, savefile_read
, fp
);
1914 error_box(fe
->window
, err
);
1923 static void menu_solve_event(GtkMenuItem
*menuitem
, gpointer data
)
1925 frontend
*fe
= (frontend
*)data
;
1928 msg
= midend_solve(fe
->me
);
1931 error_box(fe
->window
, msg
);
1934 static void menu_restart_event(GtkMenuItem
*menuitem
, gpointer data
)
1936 frontend
*fe
= (frontend
*)data
;
1938 midend_restart_game(fe
->me
);
1941 static void menu_config_event(GtkMenuItem
*menuitem
, gpointer data
)
1943 frontend
*fe
= (frontend
*)data
;
1944 int which
= GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem
),
1947 if (fe
->preset_threaded
||
1948 (GTK_IS_CHECK_MENU_ITEM(menuitem
) &&
1949 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem
))))
1951 changed_preset(fe
); /* Put the old preset back! */
1952 if (!get_config(fe
, which
))
1955 midend_new_game(fe
->me
);
1959 static void menu_about_event(GtkMenuItem
*menuitem
, gpointer data
)
1961 frontend
*fe
= (frontend
*)data
;
1965 sprintf(titlebuf
, "About %.200s", thegame
.name
);
1968 "from Simon Tatham's Portable Puzzle Collection\n\n"
1969 "%.500s", thegame
.name
, ver
);
1971 message_box(fe
->window
, titlebuf
, textbuf
, TRUE
, MB_OK
);
1974 static GtkWidget
*add_menu_item_with_key(frontend
*fe
, GtkContainer
*cont
,
1975 char *text
, int key
)
1977 GtkWidget
*menuitem
= gtk_menu_item_new_with_label(text
);
1979 gtk_container_add(cont
, menuitem
);
1980 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
1981 GINT_TO_POINTER(key
));
1982 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
1983 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
1984 switch (key
& ~0x1F) {
1987 keyqual
= GDK_CONTROL_MASK
;
1991 keyqual
= GDK_SHIFT_MASK
;
1997 gtk_widget_add_accelerator(menuitem
,
1998 "activate", fe
->accelgroup
,
2001 gtk_widget_show(menuitem
);
2005 static void add_menu_separator(GtkContainer
*cont
)
2007 GtkWidget
*menuitem
= gtk_menu_item_new();
2008 gtk_container_add(cont
, menuitem
);
2009 gtk_widget_show(menuitem
);
2012 enum { ARG_EITHER
, ARG_SAVE
, ARG_ID
}; /* for argtype */
2014 static frontend
*new_window(char *arg
, int argtype
, char **error
)
2017 GtkBox
*vbox
, *hbox
;
2018 GtkWidget
*menubar
, *menu
, *menuitem
;
2023 extern char *const *const xpm_icons
[];
2024 extern const int n_xpm_icons
;
2026 fe
= snew(frontend
);
2028 fe
->timer_active
= FALSE
;
2031 fe
->me
= midend_new(fe
, &thegame
, >k_drawing
, fe
);
2041 err
= midend_game_id(fe
->me
, arg
);
2043 midend_new_game(fe
->me
);
2045 sprintf(errbuf
, "Invalid game ID: %.800s", err
);
2048 fp
= fopen(arg
, "r");
2050 sprintf(errbuf
, "Error opening file: %.800s", strerror(errno
));
2052 err
= midend_deserialise(fe
->me
, savefile_read
, fp
);
2054 sprintf(errbuf
, "Invalid save file: %.800s", err
);
2058 default /*case ARG_EITHER*/:
2060 * First try treating the argument as a game ID.
2062 err
= midend_game_id(fe
->me
, arg
);
2065 * It's a valid game ID.
2067 midend_new_game(fe
->me
);
2069 FILE *fp
= fopen(arg
, "r");
2071 sprintf(errbuf
, "Supplied argument is neither a game ID (%.400s)"
2072 " nor a save file (%.400s)", err
, strerror(errno
));
2074 err
= midend_deserialise(fe
->me
, savefile_read
, fp
);
2076 sprintf(errbuf
, "%.800s", err
);
2083 *error
= dupstr(errbuf
);
2084 midend_free(fe
->me
);
2090 midend_new_game(fe
->me
);
2093 fe
->window
= gtk_window_new(GTK_WINDOW_TOPLEVEL
);
2094 gtk_window_set_title(GTK_WINDOW(fe
->window
), thegame
.name
);
2096 vbox
= GTK_BOX(gtk_vbox_new(FALSE
, 0));
2097 gtk_container_add(GTK_CONTAINER(fe
->window
), GTK_WIDGET(vbox
));
2098 gtk_widget_show(GTK_WIDGET(vbox
));
2100 fe
->accelgroup
= gtk_accel_group_new();
2101 gtk_window_add_accel_group(GTK_WINDOW(fe
->window
), fe
->accelgroup
);
2103 hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
2104 gtk_box_pack_start(vbox
, GTK_WIDGET(hbox
), FALSE
, FALSE
, 0);
2105 gtk_widget_show(GTK_WIDGET(hbox
));
2107 menubar
= gtk_menu_bar_new();
2108 gtk_box_pack_start(hbox
, menubar
, TRUE
, TRUE
, 0);
2109 gtk_widget_show(menubar
);
2111 menuitem
= gtk_menu_item_new_with_mnemonic("_Game");
2112 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
2113 gtk_widget_show(menuitem
);
2115 menu
= gtk_menu_new();
2116 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
2118 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "New", 'n');
2120 menuitem
= gtk_menu_item_new_with_label("Restart");
2121 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
2122 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2123 GTK_SIGNAL_FUNC(menu_restart_event
), fe
);
2124 gtk_widget_show(menuitem
);
2126 menuitem
= gtk_menu_item_new_with_label("Specific...");
2127 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
2128 GINT_TO_POINTER(CFG_DESC
));
2129 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
2130 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2131 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
2132 gtk_widget_show(menuitem
);
2134 menuitem
= gtk_menu_item_new_with_label("Random Seed...");
2135 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
2136 GINT_TO_POINTER(CFG_SEED
));
2137 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
2138 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2139 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
2140 gtk_widget_show(menuitem
);
2142 fe
->preset_radio
= NULL
;
2143 fe
->preset_custom
= NULL
;
2144 fe
->n_preset_menu_items
= 0;
2145 fe
->preset_threaded
= FALSE
;
2146 if ((n
= midend_num_presets(fe
->me
)) > 0 || thegame
.can_configure
) {
2150 menuitem
= gtk_menu_item_new_with_mnemonic("_Type");
2151 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
2152 gtk_widget_show(menuitem
);
2154 submenu
= gtk_menu_new();
2155 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), submenu
);
2157 for (i
= 0; i
< n
; i
++) {
2159 game_params
*params
;
2161 midend_fetch_preset(fe
->me
, i
, &name
, ¶ms
);
2164 gtk_radio_menu_item_new_with_label(fe
->preset_radio
, name
);
2166 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem
));
2167 fe
->n_preset_menu_items
++;
2168 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
2169 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data", params
);
2170 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2171 GTK_SIGNAL_FUNC(menu_preset_event
), fe
);
2172 gtk_widget_show(menuitem
);
2175 if (thegame
.can_configure
) {
2176 menuitem
= fe
->preset_custom
=
2177 gtk_radio_menu_item_new_with_label(fe
->preset_radio
,
2180 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem
));
2181 gtk_container_add(GTK_CONTAINER(submenu
), menuitem
);
2182 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
2183 GPOINTER_TO_INT(CFG_SETTINGS
));
2184 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2185 GTK_SIGNAL_FUNC(menu_config_event
), fe
);
2186 gtk_widget_show(menuitem
);
2191 add_menu_separator(GTK_CONTAINER(menu
));
2192 menuitem
= gtk_menu_item_new_with_label("Load...");
2193 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
2194 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2195 GTK_SIGNAL_FUNC(menu_load_event
), fe
);
2196 gtk_widget_show(menuitem
);
2197 menuitem
= gtk_menu_item_new_with_label("Save...");
2198 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
2199 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2200 GTK_SIGNAL_FUNC(menu_save_event
), fe
);
2201 gtk_widget_show(menuitem
);
2202 #ifndef STYLUS_BASED
2203 add_menu_separator(GTK_CONTAINER(menu
));
2204 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Undo", 'u');
2205 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Redo", 'r');
2207 if (thegame
.can_format_as_text_ever
) {
2208 add_menu_separator(GTK_CONTAINER(menu
));
2209 menuitem
= gtk_menu_item_new_with_label("Copy");
2210 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
2211 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2212 GTK_SIGNAL_FUNC(menu_copy_event
), fe
);
2213 gtk_widget_show(menuitem
);
2214 fe
->copy_menu_item
= menuitem
;
2216 fe
->copy_menu_item
= NULL
;
2218 if (thegame
.can_solve
) {
2219 add_menu_separator(GTK_CONTAINER(menu
));
2220 menuitem
= gtk_menu_item_new_with_label("Solve");
2221 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
2222 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2223 GTK_SIGNAL_FUNC(menu_solve_event
), fe
);
2224 gtk_widget_show(menuitem
);
2226 add_menu_separator(GTK_CONTAINER(menu
));
2227 add_menu_item_with_key(fe
, GTK_CONTAINER(menu
), "Exit", 'q');
2229 menuitem
= gtk_menu_item_new_with_mnemonic("_Help");
2230 gtk_container_add(GTK_CONTAINER(menubar
), menuitem
);
2231 gtk_widget_show(menuitem
);
2233 menu
= gtk_menu_new();
2234 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem
), menu
);
2236 menuitem
= gtk_menu_item_new_with_label("About");
2237 gtk_container_add(GTK_CONTAINER(menu
), menuitem
);
2238 gtk_signal_connect(GTK_OBJECT(menuitem
), "activate",
2239 GTK_SIGNAL_FUNC(menu_about_event
), fe
);
2240 gtk_widget_show(menuitem
);
2243 menuitem
=gtk_button_new_with_mnemonic("_Redo");
2244 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
2245 GINT_TO_POINTER((int)('r')));
2246 gtk_signal_connect(GTK_OBJECT(menuitem
), "clicked",
2247 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
2248 gtk_box_pack_end(hbox
, menuitem
, FALSE
, FALSE
, 0);
2249 gtk_widget_show(menuitem
);
2251 menuitem
=gtk_button_new_with_mnemonic("_Undo");
2252 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
2253 GINT_TO_POINTER((int)('u')));
2254 gtk_signal_connect(GTK_OBJECT(menuitem
), "clicked",
2255 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
2256 gtk_box_pack_end(hbox
, menuitem
, FALSE
, FALSE
, 0);
2257 gtk_widget_show(menuitem
);
2259 if (thegame
.flags
& REQUIRE_NUMPAD
) {
2260 hbox
= GTK_BOX(gtk_hbox_new(FALSE
, 0));
2261 gtk_box_pack_start(vbox
, GTK_WIDGET(hbox
), FALSE
, FALSE
, 0);
2262 gtk_widget_show(GTK_WIDGET(hbox
));
2266 for(errbuf
[0]='0';errbuf
[0]<='9';errbuf
[0]++) {
2267 menuitem
=gtk_button_new_with_label(errbuf
);
2268 gtk_object_set_data(GTK_OBJECT(menuitem
), "user-data",
2269 GINT_TO_POINTER((int)(errbuf
[0])));
2270 gtk_signal_connect(GTK_OBJECT(menuitem
), "clicked",
2271 GTK_SIGNAL_FUNC(menu_key_event
), fe
);
2272 gtk_box_pack_start(hbox
, menuitem
, TRUE
, TRUE
, 0);
2273 gtk_widget_show(menuitem
);
2276 #endif /* STYLUS_BASED */
2280 snaffle_colours(fe
);
2282 if (midend_wants_statusbar(fe
->me
)) {
2283 GtkWidget
*viewport
;
2286 viewport
= gtk_viewport_new(NULL
, NULL
);
2287 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport
), GTK_SHADOW_NONE
);
2288 fe
->statusbar
= gtk_statusbar_new();
2289 gtk_container_add(GTK_CONTAINER(viewport
), fe
->statusbar
);
2290 gtk_widget_show(viewport
);
2291 gtk_box_pack_end(vbox
, viewport
, FALSE
, FALSE
, 0);
2292 gtk_widget_show(fe
->statusbar
);
2293 fe
->statusctx
= gtk_statusbar_get_context_id
2294 (GTK_STATUSBAR(fe
->statusbar
), "game");
2295 gtk_statusbar_push(GTK_STATUSBAR(fe
->statusbar
), fe
->statusctx
,
2297 gtk_widget_size_request(fe
->statusbar
, &req
);
2299 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
2301 gtk_widget_set_usize(viewport
, -1, req
.height
);
2303 fe
->statusbar
= NULL
;
2305 fe
->area
= gtk_drawing_area_new();
2306 #if GTK_CHECK_VERSION(2,0,0)
2307 GTK_WIDGET_UNSET_FLAGS(fe
->area
, GTK_DOUBLE_BUFFERED
);
2309 get_size(fe
, &x
, &y
);
2310 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), x
, y
);
2314 gtk_box_pack_end(vbox
, fe
->area
, TRUE
, TRUE
, 0);
2316 clear_backing_store(fe
);
2318 fe
->nfonts
= fe
->fontsize
= 0;
2320 fe
->paste_data
= NULL
;
2321 fe
->paste_data_len
= 0;
2323 gtk_signal_connect(GTK_OBJECT(fe
->window
), "destroy",
2324 GTK_SIGNAL_FUNC(destroy
), fe
);
2325 gtk_signal_connect(GTK_OBJECT(fe
->window
), "key_press_event",
2326 GTK_SIGNAL_FUNC(key_event
), fe
);
2327 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_press_event",
2328 GTK_SIGNAL_FUNC(button_event
), fe
);
2329 gtk_signal_connect(GTK_OBJECT(fe
->area
), "button_release_event",
2330 GTK_SIGNAL_FUNC(button_event
), fe
);
2331 gtk_signal_connect(GTK_OBJECT(fe
->area
), "motion_notify_event",
2332 GTK_SIGNAL_FUNC(motion_event
), fe
);
2333 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_get",
2334 GTK_SIGNAL_FUNC(selection_get
), fe
);
2335 gtk_signal_connect(GTK_OBJECT(fe
->area
), "selection_clear_event",
2336 GTK_SIGNAL_FUNC(selection_clear
), fe
);
2337 gtk_signal_connect(GTK_OBJECT(fe
->area
), "expose_event",
2338 GTK_SIGNAL_FUNC(expose_area
), fe
);
2339 gtk_signal_connect(GTK_OBJECT(fe
->window
), "map_event",
2340 GTK_SIGNAL_FUNC(map_window
), fe
);
2341 gtk_signal_connect(GTK_OBJECT(fe
->area
), "configure_event",
2342 GTK_SIGNAL_FUNC(configure_area
), fe
);
2344 gtk_widget_add_events(GTK_WIDGET(fe
->area
),
2345 GDK_BUTTON_PRESS_MASK
|
2346 GDK_BUTTON_RELEASE_MASK
|
2347 GDK_BUTTON_MOTION_MASK
|
2348 GDK_POINTER_MOTION_HINT_MASK
);
2351 gtk_widget_realize(fe
->window
);
2352 iconpm
= gdk_pixmap_create_from_xpm_d(fe
->window
->window
, NULL
,
2353 NULL
, (gchar
**)xpm_icons
[0]);
2354 gdk_window_set_icon(fe
->window
->window
, NULL
, iconpm
, NULL
);
2356 for (n
= 0; n
< n_xpm_icons
; n
++) {
2358 g_list_append(iconlist
,
2359 gdk_pixbuf_new_from_xpm_data((const gchar
**)
2362 gdk_window_set_icon_list(fe
->window
->window
, iconlist
);
2365 gtk_widget_show(fe
->area
);
2366 gtk_widget_show(fe
->window
);
2369 * Now that we've established the preferred size of the window,
2370 * reduce the drawing area's size request so the user can shrink
2373 gtk_drawing_area_size(GTK_DRAWING_AREA(fe
->area
), 1, 1);
2374 set_window_background(fe
, 0);
2379 char *fgetline(FILE *fp
)
2381 char *ret
= snewn(512, char);
2382 int size
= 512, len
= 0;
2383 while (fgets(ret
+ len
, size
- len
, fp
)) {
2384 len
+= strlen(ret
+ len
);
2385 if (ret
[len
-1] == '\n')
2386 break; /* got a newline, we're done */
2388 ret
= sresize(ret
, size
, char);
2390 if (len
== 0) { /* first fgets returned NULL */
2398 int main(int argc
, char **argv
)
2400 char *pname
= argv
[0];
2402 int ngenerate
= 0, print
= FALSE
, px
= 1, py
= 1;
2403 int soln
= FALSE
, colour
= FALSE
;
2405 float redo_proportion
= 0.0F
;
2406 char *savefile
= NULL
, *savesuffix
= NULL
;
2408 int argtype
= ARG_EITHER
;
2409 char *screenshot_file
= NULL
;
2410 int doing_opts
= TRUE
;
2416 * Command line parsing in this function is rather fiddly,
2417 * because GTK wants to have a go at argc/argv _first_ - and
2418 * yet we can't let it, because gtk_init() will bomb out if it
2419 * can't open an X display, whereas in fact we want to permit
2420 * our --generate and --print modes to run without an X
2424 * - we parse the command line ourselves, without modifying
2426 * - if we encounter an error which might plausibly be the
2427 * result of a GTK command line (i.e. not detailed errors in
2428 * particular options of ours) we store the error message
2429 * and terminate parsing.
2430 * - if we got enough out of the command line to know it
2431 * specifies a non-X mode of operation, we either display
2432 * the stored error and return failure, or if there is no
2433 * stored error we do the non-X operation and return
2435 * - otherwise, we go straight to gtk_init().
2441 if (doing_opts
&& !strcmp(p
, "--version")) {
2442 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
2445 } else if (doing_opts
&& !strcmp(p
, "--generate")) {
2447 ngenerate
= atoi(*++av
);
2449 fprintf(stderr
, "%s: '--generate' expected a number\n",
2455 } else if (doing_opts
&& !strcmp(p
, "--save")) {
2459 fprintf(stderr
, "%s: '--save' expected a filename\n",
2463 } else if (doing_opts
&& (!strcmp(p
, "--save-suffix") ||
2464 !strcmp(p
, "--savesuffix"))) {
2468 fprintf(stderr
, "%s: '--save-suffix' expected a filename\n",
2472 } else if (doing_opts
&& !strcmp(p
, "--print")) {
2473 if (!thegame
.can_print
) {
2474 fprintf(stderr
, "%s: this game does not support printing\n",
2481 if (sscanf(dim
, "%dx%d", &px
, &py
) != 2) {
2482 fprintf(stderr
, "%s: unable to parse argument '%s' to "
2483 "'--print'\n", pname
, dim
);
2489 } else if (doing_opts
&& !strcmp(p
, "--scale")) {
2491 scale
= atof(*++av
);
2493 fprintf(stderr
, "%s: no argument supplied to '--scale'\n",
2497 } else if (doing_opts
&& !strcmp(p
, "--redo")) {
2499 * This is an internal option which I don't expect
2500 * users to have any particular use for. The effect of
2501 * --redo is that once the game has been loaded and
2502 * initialised, the next move in the redo chain is
2503 * replayed, and the game screen is redrawn part way
2504 * through the making of the move. This is only
2505 * meaningful if there _is_ a next move in the redo
2506 * chain, which means in turn that this option is only
2507 * useful if you're also passing a save file on the
2510 * This option is used by the script which generates
2511 * the puzzle icons and website screenshots, and I
2512 * don't imagine it's useful for anything else.
2513 * (Unless, I suppose, users don't like my screenshots
2514 * and want to generate their own in the same way for
2515 * some repackaged version of the puzzles.)
2518 redo_proportion
= atof(*++av
);
2520 fprintf(stderr
, "%s: no argument supplied to '--redo'\n",
2524 } else if (doing_opts
&& !strcmp(p
, "--screenshot")) {
2526 * Another internal option for the icon building
2527 * script. This causes a screenshot of the central
2528 * drawing area (i.e. not including the menu bar or
2529 * status bar) to be saved to a PNG file once the
2530 * window has been drawn, and then the application
2531 * quits immediately.
2534 screenshot_file
= *++av
;
2536 fprintf(stderr
, "%s: no argument supplied to '--screenshot'\n",
2540 } else if (doing_opts
&& (!strcmp(p
, "--with-solutions") ||
2541 !strcmp(p
, "--with-solution") ||
2542 !strcmp(p
, "--with-solns") ||
2543 !strcmp(p
, "--with-soln") ||
2544 !strcmp(p
, "--solutions") ||
2545 !strcmp(p
, "--solution") ||
2546 !strcmp(p
, "--solns") ||
2547 !strcmp(p
, "--soln"))) {
2549 } else if (doing_opts
&& !strcmp(p
, "--colour")) {
2550 if (!thegame
.can_print_in_colour
) {
2551 fprintf(stderr
, "%s: this game does not support colour"
2552 " printing\n", pname
);
2556 } else if (doing_opts
&& !strcmp(p
, "--load")) {
2558 } else if (doing_opts
&& !strcmp(p
, "--game")) {
2560 } else if (doing_opts
&& !strcmp(p
, "--")) {
2562 } else if (!doing_opts
|| p
[0] != '-') {
2564 fprintf(stderr
, "%s: more than one argument supplied\n",
2570 sprintf(errbuf
, "%.100s: unrecognised option '%.100s'\n",
2577 fputs(errbuf
, stderr
);
2582 * Special standalone mode for generating puzzle IDs on the
2583 * command line. Useful for generating puzzles to be printed
2584 * out and solved offline (for puzzles where that even makes
2585 * sense - Solo, for example, is a lot more pencil-and-paper
2586 * friendly than Twiddle!)
2590 * <puzzle-name> --generate [<n> [<params>]]
2592 * <n>, if present, is the number of puzzle IDs to generate.
2593 * <params>, if present, is the same type of parameter string
2594 * you would pass to the puzzle when running it in GUI mode,
2595 * including optional extras such as the expansion factor in
2596 * Rectangles and the difficulty level in Solo.
2598 * If you specify <params>, you must also specify <n> (although
2599 * you may specify it to be 1). Sorry; that was the
2600 * simplest-to-parse command-line syntax I came up with.
2602 if (ngenerate
> 0 || print
|| savefile
|| savesuffix
) {
2606 document
*doc
= NULL
;
2610 me
= midend_new(NULL
, &thegame
, NULL
, NULL
);
2613 if (savefile
&& !savesuffix
)
2615 if (!savefile
&& savesuffix
)
2619 doc
= document_new(px
, py
, scale
);
2622 * In this loop, we either generate a game ID or read one
2623 * from stdin depending on whether we're in generate mode;
2624 * then we either write it to stdout or print it, depending
2625 * on whether we're in print mode. Thus, this loop handles
2626 * generate-to-stdout, print-from-stdin and generate-and-
2627 * immediately-print modes.
2629 * (It could also handle a copy-stdin-to-stdout mode,
2630 * although there's currently no combination of options
2631 * which will cause this loop to be activated in that mode.
2632 * It wouldn't be _entirely_ pointless, though, because
2633 * stdin could contain bare params strings or random-seed
2634 * IDs, and stdout would contain nothing but fully
2635 * generated descriptive game IDs.)
2637 while (ngenerate
== 0 || i
< n
) {
2640 if (ngenerate
== 0) {
2641 pstr
= fgetline(stdin
);
2644 pstr
[strcspn(pstr
, "\r\n")] = '\0';
2647 pstr
= snewn(strlen(arg
) + 40, char);
2650 if (i
> 0 && strchr(arg
, '#'))
2651 sprintf(pstr
+ strlen(pstr
), "-%d", i
);
2657 err
= midend_game_id(me
, pstr
);
2659 fprintf(stderr
, "%s: error parsing '%s': %s\n",
2666 midend_new_game(me
);
2669 err
= midend_print_puzzle(me
, doc
, soln
);
2671 fprintf(stderr
, "%s: error in printing: %s\n", pname
, err
);
2676 struct savefile_write_ctx ctx
;
2677 char *realname
= snewn(40 + strlen(savefile
) +
2678 strlen(savesuffix
), char);
2679 sprintf(realname
, "%s%d%s", savefile
, i
, savesuffix
);
2680 ctx
.fp
= fopen(realname
, "w");
2682 fprintf(stderr
, "%s: open: %s\n", realname
,
2687 midend_serialise(me
, savefile_write
, &ctx
);
2689 fprintf(stderr
, "%s: write: %s\n", realname
,
2690 strerror(ctx
.error
));
2693 if (fclose(ctx
.fp
)) {
2694 fprintf(stderr
, "%s: close: %s\n", realname
,
2699 if (!doc
&& !savefile
) {
2700 id
= midend_get_game_id(me
);
2709 psdata
*ps
= ps_init(stdout
, colour
);
2710 document_print(doc
, ps_drawing_api(ps
));
2721 gtk_init(&argc
, &argv
);
2723 fe
= new_window(arg
, argtype
, &error
);
2726 fprintf(stderr
, "%s: %s\n", pname
, error
);
2730 if (screenshot_file
) {
2732 * Some puzzles will not redraw their entire area if
2733 * given a partially completed animation, which means
2734 * we must redraw now and _then_ redraw again after
2735 * freezing the move timer.
2737 midend_force_redraw(fe
->me
);
2740 if (redo_proportion
) {
2742 midend_process_key(fe
->me
, 0, 0, 'r');
2743 /* And freeze the timer at the specified position. */
2744 midend_freeze_timer(fe
->me
, redo_proportion
);
2747 if (screenshot_file
) {
2748 save_screenshot_png(fe
, screenshot_file
);