2 * gtk.c: GTK front end for my puzzle collection.
15 #include <sys/resource.h>
18 #include <gdk/gdkkeysyms.h>
20 #include <gdk-pixbuf/gdk-pixbuf.h>
24 #include <X11/Xutil.h>
25 #include <X11/Xatom.h>
29 #if GTK_CHECK_VERSION(2,0,0)
31 # ifdef PANGO_VERSION_CHECK
32 # if PANGO_VERSION_CHECK(1,8,0)
33 # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
37 #if !GTK_CHECK_VERSION(2,4,0)
40 #if GTK_CHECK_VERSION(2,8,0)
42 # if GTK_CHECK_VERSION(3,0,0) || defined(GDK_DISABLE_DEPRECATED)
43 # define USE_CAIRO_WITHOUT_PIXMAP
47 #if GTK_CHECK_VERSION(3,0,0)
48 /* The old names are still more concise! */
49 #define gtk_hbox_new(x,y) gtk_box_new(GTK_ORIENTATION_HORIZONTAL,y)
50 #define gtk_vbox_new(x,y) gtk_box_new(GTK_ORIENTATION_VERTICAL,y)
51 /* GTK 3 has retired stock button labels */
52 #define LABEL_OK "_OK"
53 #define LABEL_CANCEL "_Cancel"
54 #define LABEL_NO "_No"
55 #define LABEL_YES "_Yes"
56 #define LABEL_SAVE "_Save"
57 #define LABEL_OPEN "_Open"
58 #define gtk_button_new_with_our_label gtk_button_new_with_mnemonic
60 #define LABEL_OK GTK_STOCK_OK
61 #define LABEL_CANCEL GTK_STOCK_CANCEL
62 #define LABEL_NO GTK_STOCK_NO
63 #define LABEL_YES GTK_STOCK_YES
64 #define LABEL_SAVE GTK_STOCK_SAVE
65 #define LABEL_OPEN GTK_STOCK_OPEN
66 #define gtk_button_new_with_our_label gtk_button_new_from_stock
69 /* #undef USE_CAIRO */
70 /* #define NO_THICK_LINE */
72 static FILE *debug_fp = NULL;
77 debug_fp = fopen("debug.log", "w");
88 void debug_printf(char *fmt, ...)
94 vsprintf(buf, fmt, ap);
100 /* ----------------------------------------------------------------------
101 * Error reporting functions used elsewhere.
104 void fatal(char *fmt, ...)
108 fprintf(stderr, "fatal error: ");
111 vfprintf(stderr, fmt, ap);
114 fprintf(stderr, "\n");
118 /* ----------------------------------------------------------------------
119 * GTK front end to puzzles.
122 static void changed_preset(frontend *fe);
126 PangoFontDescription *desc;
135 * This structure holds all the data relevant to a single window.
136 * In principle this would allow us to open multiple independent
137 * puzzle windows, although I can't currently see any real point in
138 * doing so. I'm just coding cleanly because there's no
139 * particularly good reason not to.
143 GtkAccelGroup *dummy_accelgroup;
145 GtkWidget *statusbar;
147 #if GTK_CHECK_VERSION(3,20,0)
148 GtkCssProvider *css_provider;
154 const float *colours;
156 cairo_surface_t *image;
157 #ifndef USE_CAIRO_WITHOUT_PIXMAP
160 GdkColor background; /* for painting outside puzzle area */
166 int backgroundindex; /* which of colours[] is background */
169 int bbox_l, bbox_r, bbox_u, bbox_d;
170 int timer_active, timer_id;
171 struct timeval last_time;
173 int nfonts, fontsize;
175 int cfg_which, cfgret;
179 int pw, ph; /* pixmap size (w, h are area size) */
180 int ox, oy; /* offset of pixmap in drawing area */
184 GSList *preset_radio;
186 GtkWidget *preset_custom;
187 GtkWidget *copy_menu_item;
188 #if !GTK_CHECK_VERSION(3,0,0)
189 int drawing_area_shrink_pending;
190 int menubar_is_local;
196 cairo_surface_t *image;
203 void get_random_seed(void **randseed, int *randseedsize)
205 struct timeval *tvp = snew(struct timeval);
206 gettimeofday(tvp, NULL);
207 *randseed = (void *)tvp;
208 *randseedsize = sizeof(struct timeval);
211 void frontend_default_colour(frontend *fe, float *output)
213 #if !GTK_CHECK_VERSION(3,0,0)
215 * Use the widget style's default background colour as the
216 * background for the puzzle drawing area.
218 GdkColor col = gtk_widget_get_style(fe->window)->bg[GTK_STATE_NORMAL];
219 output[0] = col.red / 65535.0;
220 output[1] = col.green / 65535.0;
221 output[2] = col.blue / 65535.0;
224 * GTK 3 has decided that there's no such thing as a 'default
225 * background colour' any more, because widget styles might set
226 * the background to something more complicated like a background
227 * image. We don't want to get into overlaying our entire puzzle
228 * on an arbitrary background image, so we'll just make up a
229 * reasonable shade of grey.
231 output[0] = output[1] = output[2] = 0.9F;
235 void gtk_status_bar(void *handle, char *text)
237 frontend *fe = (frontend *)handle;
239 assert(fe->statusbar);
241 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
242 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
245 /* ----------------------------------------------------------------------
246 * Cairo drawing functions.
251 static void setup_drawing(frontend *fe)
253 fe->cr = cairo_create(fe->image);
254 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_GRAY);
255 cairo_set_line_width(fe->cr, 1.0);
256 cairo_set_line_cap(fe->cr, CAIRO_LINE_CAP_SQUARE);
257 cairo_set_line_join(fe->cr, CAIRO_LINE_JOIN_ROUND);
260 static void teardown_drawing(frontend *fe)
262 cairo_destroy(fe->cr);
265 #ifndef USE_CAIRO_WITHOUT_PIXMAP
267 cairo_t *cr = gdk_cairo_create(fe->pixmap);
268 cairo_set_source_surface(cr, fe->image, 0, 0);
272 fe->bbox_r - fe->bbox_l + 2,
273 fe->bbox_d - fe->bbox_u + 2);
280 static void snaffle_colours(frontend *fe)
282 fe->colours = midend_colours(fe->me, &fe->ncolours);
285 static void set_colour(frontend *fe, int colour)
287 cairo_set_source_rgb(fe->cr,
288 fe->colours[3*colour + 0],
289 fe->colours[3*colour + 1],
290 fe->colours[3*colour + 2]);
293 static void set_window_background(frontend *fe, int colour)
295 #if GTK_CHECK_VERSION(3,20,0)
297 sprintf(css_buf, ".background { "
298 "background-color: #%02x%02x%02x; }",
299 (unsigned)(fe->colours[3*colour + 0] * 255),
300 (unsigned)(fe->colours[3*colour + 1] * 255),
301 (unsigned)(fe->colours[3*colour + 2] * 255));
302 if (!fe->css_provider)
303 fe->css_provider = gtk_css_provider_new();
304 if (!gtk_css_provider_load_from_data(
305 GTK_CSS_PROVIDER(fe->css_provider), css_buf, -1, NULL))
306 assert(0 && "Couldn't load CSS");
307 gtk_style_context_add_provider(
308 gtk_widget_get_style_context(fe->window),
309 GTK_STYLE_PROVIDER(fe->css_provider),
310 GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
311 gtk_style_context_add_provider(
312 gtk_widget_get_style_context(fe->area),
313 GTK_STYLE_PROVIDER(fe->css_provider),
314 GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
315 #elif GTK_CHECK_VERSION(3,0,0)
317 rgba.red = fe->colours[3*colour + 0];
318 rgba.green = fe->colours[3*colour + 1];
319 rgba.blue = fe->colours[3*colour + 2];
321 gdk_window_set_background_rgba(gtk_widget_get_window(fe->area), &rgba);
322 gdk_window_set_background_rgba(gtk_widget_get_window(fe->window), &rgba);
326 colmap = gdk_colormap_get_system();
327 fe->background.red = fe->colours[3*colour + 0] * 65535;
328 fe->background.green = fe->colours[3*colour + 1] * 65535;
329 fe->background.blue = fe->colours[3*colour + 2] * 65535;
330 if (!gdk_colormap_alloc_color(colmap, &fe->background, FALSE, FALSE)) {
331 g_error("couldn't allocate background (#%02x%02x%02x)\n",
332 fe->background.red >> 8, fe->background.green >> 8,
333 fe->background.blue >> 8);
335 gdk_window_set_background(gtk_widget_get_window(fe->area),
337 gdk_window_set_background(gtk_widget_get_window(fe->window),
342 static PangoLayout *make_pango_layout(frontend *fe)
344 return (pango_cairo_create_layout(fe->cr));
347 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
350 cairo_move_to(fe->cr, x, y);
351 pango_cairo_show_layout(fe->cr, layout);
354 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
356 cairo_surface_write_to_png(fe->image, screenshot_file);
359 static void do_clip(frontend *fe, int x, int y, int w, int h)
361 cairo_new_path(fe->cr);
362 cairo_rectangle(fe->cr, x, y, w, h);
366 static void do_unclip(frontend *fe)
368 cairo_reset_clip(fe->cr);
371 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
374 cairo_new_path(fe->cr);
375 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_NONE);
376 cairo_rectangle(fe->cr, x, y, w, h);
378 cairo_restore(fe->cr);
381 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
383 cairo_new_path(fe->cr);
384 cairo_move_to(fe->cr, x1 + 0.5, y1 + 0.5);
385 cairo_line_to(fe->cr, x2 + 0.5, y2 + 0.5);
386 cairo_stroke(fe->cr);
389 static void do_draw_thick_line(frontend *fe, float thickness,
390 float x1, float y1, float x2, float y2)
393 cairo_set_line_width(fe->cr, thickness);
394 cairo_new_path(fe->cr);
395 cairo_move_to(fe->cr, x1, y1);
396 cairo_line_to(fe->cr, x2, y2);
397 cairo_stroke(fe->cr);
398 cairo_restore(fe->cr);
401 static void do_draw_poly(frontend *fe, int *coords, int npoints,
402 int fillcolour, int outlinecolour)
406 cairo_new_path(fe->cr);
407 for (i = 0; i < npoints; i++)
408 cairo_line_to(fe->cr, coords[i*2] + 0.5, coords[i*2 + 1] + 0.5);
409 cairo_close_path(fe->cr);
410 if (fillcolour >= 0) {
411 set_colour(fe, fillcolour);
412 cairo_fill_preserve(fe->cr);
414 assert(outlinecolour >= 0);
415 set_colour(fe, outlinecolour);
416 cairo_stroke(fe->cr);
419 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
420 int fillcolour, int outlinecolour)
422 cairo_new_path(fe->cr);
423 cairo_arc(fe->cr, cx + 0.5, cy + 0.5, radius, 0, 2*PI);
424 cairo_close_path(fe->cr); /* Just in case... */
425 if (fillcolour >= 0) {
426 set_colour(fe, fillcolour);
427 cairo_fill_preserve(fe->cr);
429 assert(outlinecolour >= 0);
430 set_colour(fe, outlinecolour);
431 cairo_stroke(fe->cr);
434 static void setup_blitter(blitter *bl, int w, int h)
436 bl->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24, w, h);
439 static void teardown_blitter(blitter *bl)
441 cairo_surface_destroy(bl->image);
444 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
446 cairo_t *cr = cairo_create(bl->image);
448 cairo_set_source_surface(cr, fe->image, -x, -y);
453 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
455 cairo_set_source_surface(fe->cr, bl->image, x, y);
459 static void clear_backing_store(frontend *fe)
464 static void wipe_and_maybe_destroy_cairo(frontend *fe, cairo_t *cr,
467 cairo_set_source_rgb(cr, fe->colours[0], fe->colours[1], fe->colours[2]);
473 static void setup_backing_store(frontend *fe)
475 #ifndef USE_CAIRO_WITHOUT_PIXMAP
476 fe->pixmap = gdk_pixmap_new(gtk_widget_get_window(fe->area),
479 fe->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
482 wipe_and_maybe_destroy_cairo(fe, cairo_create(fe->image), TRUE);
483 #ifndef USE_CAIRO_WITHOUT_PIXMAP
484 wipe_and_maybe_destroy_cairo(fe, gdk_cairo_create(fe->pixmap), TRUE);
486 #if GTK_CHECK_VERSION(3,22,0)
489 cairo_region_t *region;
490 GdkDrawingContext *drawctx;
493 gdkwin = gtk_widget_get_window(fe->area);
494 region = gdk_window_get_clip_region(gdkwin);
495 drawctx = gdk_window_begin_draw_frame(gdkwin, region);
496 cr = gdk_drawing_context_get_cairo_context(drawctx);
497 wipe_and_maybe_destroy_cairo(fe, cr, FALSE);
498 gdk_window_end_draw_frame(gdkwin, drawctx);
499 cairo_region_destroy(region);
502 wipe_and_maybe_destroy_cairo(
503 fe, gdk_cairo_create(gtk_widget_get_window(fe->area)), TRUE);
507 static int backing_store_ok(frontend *fe)
509 return (!!fe->image);
512 static void teardown_backing_store(frontend *fe)
514 cairo_surface_destroy(fe->image);
515 #ifndef USE_CAIRO_WITHOUT_PIXMAP
516 gdk_pixmap_unref(fe->pixmap);
523 /* ----------------------------------------------------------------------
524 * GDK drawing functions.
529 static void setup_drawing(frontend *fe)
531 fe->gc = gdk_gc_new(fe->area->window);
534 static void teardown_drawing(frontend *fe)
536 gdk_gc_unref(fe->gc);
540 static void snaffle_colours(frontend *fe)
546 fe->colmap = gdk_colormap_get_system();
547 colours = midend_colours(fe->me, &ncolours);
548 fe->ncolours = ncolours;
549 fe->colours = snewn(ncolours, GdkColor);
550 for (i = 0; i < ncolours; i++) {
551 fe->colours[i].red = colours[i*3] * 0xFFFF;
552 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
553 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
555 success = snewn(ncolours, gboolean);
556 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
557 FALSE, FALSE, success);
558 for (i = 0; i < ncolours; i++) {
560 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
561 i, fe->colours[i].red >> 8,
562 fe->colours[i].green >> 8,
563 fe->colours[i].blue >> 8);
568 static void set_window_background(frontend *fe, int colour)
570 fe->backgroundindex = colour;
571 gdk_window_set_background(fe->area->window, &fe->colours[colour]);
572 gdk_window_set_background(fe->window->window, &fe->colours[colour]);
575 static void set_colour(frontend *fe, int colour)
577 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
581 static PangoLayout *make_pango_layout(frontend *fe)
583 return (pango_layout_new(gtk_widget_get_pango_context(fe->area)));
586 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
589 gdk_draw_layout(fe->pixmap, fe->gc, x, y, layout);
593 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
596 GError *gerror = NULL;
598 midend_redraw(fe->me);
600 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
601 NULL, 0, 0, 0, 0, -1, -1);
602 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);
605 static void do_clip(frontend *fe, int x, int y, int w, int h)
613 gdk_gc_set_clip_rectangle(fe->gc, &rect);
616 static void do_unclip(frontend *fe)
624 gdk_gc_set_clip_rectangle(fe->gc, &rect);
627 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
629 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
632 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
634 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
637 static void do_draw_thick_line(frontend *fe, float thickness,
638 float x1, float y1, float x2, float y2)
642 gdk_gc_get_values(fe->gc, &save);
643 gdk_gc_set_line_attributes(fe->gc,
648 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
649 gdk_gc_set_line_attributes(fe->gc,
656 static void do_draw_poly(frontend *fe, int *coords, int npoints,
657 int fillcolour, int outlinecolour)
659 GdkPoint *points = snewn(npoints, GdkPoint);
662 for (i = 0; i < npoints; i++) {
663 points[i].x = coords[i*2];
664 points[i].y = coords[i*2+1];
667 if (fillcolour >= 0) {
668 set_colour(fe, fillcolour);
669 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
671 assert(outlinecolour >= 0);
672 set_colour(fe, outlinecolour);
675 * In principle we ought to be able to use gdk_draw_polygon for
676 * the outline as well. In fact, it turns out to interact badly
677 * with a clipping region, for no terribly obvious reason, so I
678 * draw the outline as a sequence of lines instead.
680 for (i = 0; i < npoints; i++)
681 gdk_draw_line(fe->pixmap, fe->gc,
682 points[i].x, points[i].y,
683 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
688 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
689 int fillcolour, int outlinecolour)
691 if (fillcolour >= 0) {
692 set_colour(fe, fillcolour);
693 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
694 cx - radius, cy - radius,
695 2 * radius, 2 * radius, 0, 360 * 64);
698 assert(outlinecolour >= 0);
699 set_colour(fe, outlinecolour);
700 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
701 cx - radius, cy - radius,
702 2 * radius, 2 * radius, 0, 360 * 64);
705 static void setup_blitter(blitter *bl, int w, int h)
708 * We can't create the pixmap right now, because fe->window
709 * might not yet exist. So we just cache w and h and create it
710 * during the firs call to blitter_save.
715 static void teardown_blitter(blitter *bl)
718 gdk_pixmap_unref(bl->pixmap);
721 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
724 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
725 gdk_draw_pixmap(bl->pixmap,
726 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
728 x, y, 0, 0, bl->w, bl->h);
731 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
734 gdk_draw_pixmap(fe->pixmap,
735 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
737 0, 0, x, y, bl->w, bl->h);
740 static void clear_backing_store(frontend *fe)
745 static void setup_backing_store(frontend *fe)
749 fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1);
751 gc = gdk_gc_new(fe->area->window);
752 gdk_gc_set_foreground(gc, &fe->colours[0]);
753 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
754 gdk_draw_rectangle(fe->area->window, gc, 1, 0, 0, fe->w, fe->h);
758 static int backing_store_ok(frontend *fe)
760 return (!!fe->pixmap);
763 static void teardown_backing_store(frontend *fe)
765 gdk_pixmap_unref(fe->pixmap);
771 #ifndef USE_CAIRO_WITHOUT_PIXMAP
772 static void repaint_rectangle(frontend *fe, GtkWidget *widget,
773 int x, int y, int w, int h)
775 GdkGC *gc = gdk_gc_new(gtk_widget_get_window(widget));
777 gdk_gc_set_foreground(gc, &fe->background);
779 gdk_gc_set_foreground(gc, &fe->colours[fe->backgroundindex]);
782 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
783 TRUE, x, y, fe->ox - x, h);
788 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
789 TRUE, x, y, w, fe->oy - y);
794 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
795 TRUE, x + fe->pw, y, w - fe->pw, h);
799 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
800 TRUE, x, y + fe->ph, w, h - fe->ph);
803 gdk_draw_pixmap(gtk_widget_get_window(widget), gc, fe->pixmap,
804 x - fe->ox, y - fe->oy, x, y, w, h);
809 /* ----------------------------------------------------------------------
810 * Pango font functions.
815 static void add_font(frontend *fe, int index, int fonttype, int fontsize)
818 * Use Pango to find the closest match to the requested
821 PangoFontDescription *fd;
823 fd = pango_font_description_new();
824 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
825 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
826 "Monospace" : "Sans");
827 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
829 * I found some online Pango documentation which
830 * described a function called
831 * pango_font_description_set_absolute_size(), which is
832 * _exactly_ what I want here. Unfortunately, none of
833 * my local Pango installations have it (presumably
834 * they're too old), so I'm going to have to hack round
835 * it by figuring out the point size myself. This
836 * limits me to X and probably also breaks in later
837 * Pango installations, so ideally I should add another
838 * CHECK_VERSION type ifdef and use set_absolute_size
839 * where available. All very annoying.
841 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
842 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
845 Display *d = GDK_DISPLAY();
846 int s = DefaultScreen(d);
848 (PANGO_SCALE * 72.27 / 25.4) *
849 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
850 pango_font_description_set_size(fd, resolution * fontsize);
853 fe->fonts[index].desc = fd;
856 static void align_and_draw_text(frontend *fe,
857 int index, int align, int x, int y,
863 layout = make_pango_layout(fe);
868 pango_layout_set_font_description(layout, fe->fonts[index].desc);
869 pango_layout_set_text(layout, text, strlen(text));
870 pango_layout_get_pixel_extents(layout, NULL, &rect);
872 if (align & ALIGN_VCENTRE)
873 rect.y -= rect.height / 2;
875 rect.y -= rect.height;
877 if (align & ALIGN_HCENTRE)
878 rect.x -= rect.width / 2;
879 else if (align & ALIGN_HRIGHT)
880 rect.x -= rect.width;
882 draw_pango_layout(fe, layout, rect.x + x, rect.y + y);
884 g_object_unref(layout);
889 /* ----------------------------------------------------------------------
890 * Old-fashioned font functions.
895 static void add_font(int index, int fonttype, int fontsize)
898 * In GTK 1.2, I don't know of any plausible way to
899 * pick a suitable font, so I'm just going to be
902 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
903 "fixed" : "variable");
906 static void align_and_draw_text(int index, int align, int x, int y,
909 int lb, rb, wid, asc, desc;
912 * Measure vertical string extents with respect to the same
915 gdk_string_extents(fe->fonts[i].font,
916 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
917 &lb, &rb, &wid, &asc, &desc);
918 if (align & ALIGN_VCENTRE)
919 y += asc - (asc+desc)/2;
924 * ... but horizontal extents with respect to the provided
925 * string. This means that multiple pieces of text centred
926 * on the same y-coordinate don't have different baselines.
928 gdk_string_extents(fe->fonts[i].font, text,
929 &lb, &rb, &wid, &asc, &desc);
931 if (align & ALIGN_HCENTRE)
933 else if (align & ALIGN_HRIGHT)
937 * Actually draw the text.
939 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
944 /* ----------------------------------------------------------------------
945 * The exported drawing functions.
948 void gtk_start_draw(void *handle)
950 frontend *fe = (frontend *)handle;
958 void gtk_clip(void *handle, int x, int y, int w, int h)
960 frontend *fe = (frontend *)handle;
961 do_clip(fe, x, y, w, h);
964 void gtk_unclip(void *handle)
966 frontend *fe = (frontend *)handle;
970 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
971 int align, int colour, char *text)
973 frontend *fe = (frontend *)handle;
977 * Find or create the font.
979 for (i = 0; i < fe->nfonts; i++)
980 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
983 if (i == fe->nfonts) {
984 if (fe->fontsize <= fe->nfonts) {
985 fe->fontsize = fe->nfonts + 10;
986 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
991 fe->fonts[i].type = fonttype;
992 fe->fonts[i].size = fontsize;
993 add_font(fe, i, fonttype, fontsize);
999 set_colour(fe, colour);
1000 align_and_draw_text(fe, i, align, x, y, text);
1003 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
1005 frontend *fe = (frontend *)handle;
1006 set_colour(fe, colour);
1007 do_draw_rect(fe, x, y, w, h);
1010 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
1012 frontend *fe = (frontend *)handle;
1013 set_colour(fe, colour);
1014 do_draw_line(fe, x1, y1, x2, y2);
1017 void gtk_draw_thick_line(void *handle, float thickness,
1018 float x1, float y1, float x2, float y2, int colour)
1020 frontend *fe = (frontend *)handle;
1021 set_colour(fe, colour);
1022 do_draw_thick_line(fe, thickness, x1, y1, x2, y2);
1025 void gtk_draw_poly(void *handle, int *coords, int npoints,
1026 int fillcolour, int outlinecolour)
1028 frontend *fe = (frontend *)handle;
1029 do_draw_poly(fe, coords, npoints, fillcolour, outlinecolour);
1032 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
1033 int fillcolour, int outlinecolour)
1035 frontend *fe = (frontend *)handle;
1036 do_draw_circle(fe, cx, cy, radius, fillcolour, outlinecolour);
1039 blitter *gtk_blitter_new(void *handle, int w, int h)
1041 blitter *bl = snew(blitter);
1042 setup_blitter(bl, w, h);
1048 void gtk_blitter_free(void *handle, blitter *bl)
1050 teardown_blitter(bl);
1054 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
1056 frontend *fe = (frontend *)handle;
1057 do_blitter_save(fe, bl, x, y);
1062 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
1064 frontend *fe = (frontend *)handle;
1065 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
1069 do_blitter_load(fe, bl, x, y);
1072 void gtk_draw_update(void *handle, int x, int y, int w, int h)
1074 frontend *fe = (frontend *)handle;
1075 if (fe->bbox_l > x ) fe->bbox_l = x ;
1076 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
1077 if (fe->bbox_u > y ) fe->bbox_u = y ;
1078 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
1081 void gtk_end_draw(void *handle)
1083 frontend *fe = (frontend *)handle;
1085 teardown_drawing(fe);
1087 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
1088 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1089 gtk_widget_queue_draw_area(fe->area,
1090 fe->bbox_l - 1 + fe->ox,
1091 fe->bbox_u - 1 + fe->oy,
1092 fe->bbox_r - fe->bbox_l + 2,
1093 fe->bbox_d - fe->bbox_u + 2);
1095 repaint_rectangle(fe, fe->area,
1096 fe->bbox_l - 1 + fe->ox,
1097 fe->bbox_u - 1 + fe->oy,
1098 fe->bbox_r - fe->bbox_l + 2,
1099 fe->bbox_d - fe->bbox_u + 2);
1105 char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings)
1108 * We assume Pango can cope with any UTF-8 likely to be emitted
1111 return dupstr(strings[0]);
1115 const struct drawing_api gtk_drawing = {
1131 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
1132 NULL, NULL, /* line_width, line_dotted */
1138 #ifdef NO_THICK_LINE
1141 gtk_draw_thick_line,
1145 static void destroy(GtkWidget *widget, gpointer data)
1147 frontend *fe = (frontend *)data;
1148 deactivate_timer(fe);
1149 midend_free(fe->me);
1153 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
1155 frontend *fe = (frontend *)data;
1157 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
1158 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
1160 if (!backing_store_ok(fe))
1163 /* Handle mnemonics. */
1164 if (gtk_window_activate_key(GTK_WINDOW(fe->window), event))
1167 if (event->keyval == GDK_KEY_Up)
1168 keyval = shift | ctrl | CURSOR_UP;
1169 else if (event->keyval == GDK_KEY_KP_Up ||
1170 event->keyval == GDK_KEY_KP_8)
1171 keyval = MOD_NUM_KEYPAD | '8';
1172 else if (event->keyval == GDK_KEY_Down)
1173 keyval = shift | ctrl | CURSOR_DOWN;
1174 else if (event->keyval == GDK_KEY_KP_Down ||
1175 event->keyval == GDK_KEY_KP_2)
1176 keyval = MOD_NUM_KEYPAD | '2';
1177 else if (event->keyval == GDK_KEY_Left)
1178 keyval = shift | ctrl | CURSOR_LEFT;
1179 else if (event->keyval == GDK_KEY_KP_Left ||
1180 event->keyval == GDK_KEY_KP_4)
1181 keyval = MOD_NUM_KEYPAD | '4';
1182 else if (event->keyval == GDK_KEY_Right)
1183 keyval = shift | ctrl | CURSOR_RIGHT;
1184 else if (event->keyval == GDK_KEY_KP_Right ||
1185 event->keyval == GDK_KEY_KP_6)
1186 keyval = MOD_NUM_KEYPAD | '6';
1187 else if (event->keyval == GDK_KEY_KP_Home ||
1188 event->keyval == GDK_KEY_KP_7)
1189 keyval = MOD_NUM_KEYPAD | '7';
1190 else if (event->keyval == GDK_KEY_KP_End ||
1191 event->keyval == GDK_KEY_KP_1)
1192 keyval = MOD_NUM_KEYPAD | '1';
1193 else if (event->keyval == GDK_KEY_KP_Page_Up ||
1194 event->keyval == GDK_KEY_KP_9)
1195 keyval = MOD_NUM_KEYPAD | '9';
1196 else if (event->keyval == GDK_KEY_KP_Page_Down ||
1197 event->keyval == GDK_KEY_KP_3)
1198 keyval = MOD_NUM_KEYPAD | '3';
1199 else if (event->keyval == GDK_KEY_KP_Insert ||
1200 event->keyval == GDK_KEY_KP_0)
1201 keyval = MOD_NUM_KEYPAD | '0';
1202 else if (event->keyval == GDK_KEY_KP_Begin ||
1203 event->keyval == GDK_KEY_KP_5)
1204 keyval = MOD_NUM_KEYPAD | '5';
1205 else if (event->keyval == GDK_KEY_BackSpace ||
1206 event->keyval == GDK_KEY_Delete ||
1207 event->keyval == GDK_KEY_KP_Delete)
1209 else if ((event->keyval == 'z' || event->keyval == 'Z') && shift && ctrl)
1211 else if (event->string[0] && !event->string[1])
1212 keyval = (unsigned char)event->string[0];
1217 !midend_process_key(fe->me, 0, 0, keyval))
1218 gtk_widget_destroy(fe->window);
1223 static gint button_event(GtkWidget *widget, GdkEventButton *event,
1226 frontend *fe = (frontend *)data;
1229 if (!backing_store_ok(fe))
1232 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
1235 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
1236 button = MIDDLE_BUTTON;
1237 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
1238 button = RIGHT_BUTTON;
1239 else if (event->button == 1)
1240 button = LEFT_BUTTON;
1241 else if (event->button == 8 && event->type == GDK_BUTTON_PRESS)
1243 else if (event->button == 9 && event->type == GDK_BUTTON_PRESS)
1246 return FALSE; /* don't even know what button! */
1248 if (event->type == GDK_BUTTON_RELEASE && button >= LEFT_BUTTON)
1249 button += LEFT_RELEASE - LEFT_BUTTON;
1251 if (!midend_process_key(fe->me, event->x - fe->ox,
1252 event->y - fe->oy, button))
1253 gtk_widget_destroy(fe->window);
1258 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
1261 frontend *fe = (frontend *)data;
1264 if (!backing_store_ok(fe))
1267 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
1268 button = MIDDLE_DRAG;
1269 else if (event->state & GDK_BUTTON1_MASK)
1271 else if (event->state & GDK_BUTTON3_MASK)
1272 button = RIGHT_DRAG;
1274 return FALSE; /* don't even know what button! */
1276 if (!midend_process_key(fe->me, event->x - fe->ox,
1277 event->y - fe->oy, button))
1278 gtk_widget_destroy(fe->window);
1279 #if GTK_CHECK_VERSION(2,12,0)
1280 gdk_event_request_motions(event);
1282 gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
1288 #if GTK_CHECK_VERSION(3,0,0)
1289 static gint draw_area(GtkWidget *widget, cairo_t *cr, gpointer data)
1291 frontend *fe = (frontend *)data;
1292 GdkRectangle dirtyrect;
1294 gdk_cairo_get_clip_rectangle(cr, &dirtyrect);
1295 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1296 cairo_rectangle(cr, dirtyrect.x, dirtyrect.y,
1297 dirtyrect.width, dirtyrect.height);
1303 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
1306 frontend *fe = (frontend *)data;
1308 if (backing_store_ok(fe)) {
1309 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1310 cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
1311 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1312 cairo_rectangle(cr, event->area.x, event->area.y,
1313 event->area.width, event->area.height);
1317 repaint_rectangle(fe, widget,
1318 event->area.x, event->area.y,
1319 event->area.width, event->area.height);
1326 static gint map_window(GtkWidget *widget, GdkEvent *event,
1329 frontend *fe = (frontend *)data;
1332 * Apparently we need to do this because otherwise the status
1333 * bar will fail to update immediately. Annoying, but there we
1336 gtk_widget_queue_draw(fe->window);
1341 static gint configure_area(GtkWidget *widget,
1342 GdkEventConfigure *event, gpointer data)
1344 frontend *fe = (frontend *)data;
1346 int oldw = fe->w, oldpw = fe->pw, oldh = fe->h, oldph = fe->ph;
1352 midend_size(fe->me, &x, &y, TRUE);
1355 fe->ox = (fe->w - fe->pw) / 2;
1356 fe->oy = (fe->h - fe->ph) / 2;
1358 if (oldw != fe->w || oldpw != fe->pw ||
1359 oldh != fe->h || oldph != fe->ph || !backing_store_ok(fe)) {
1360 if (backing_store_ok(fe))
1361 teardown_backing_store(fe);
1362 setup_backing_store(fe);
1365 midend_force_redraw(fe->me);
1370 static gint timer_func(gpointer data)
1372 frontend *fe = (frontend *)data;
1374 if (fe->timer_active) {
1377 gettimeofday(&now, NULL);
1378 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
1379 (now.tv_sec - fe->last_time.tv_sec));
1380 midend_timer(fe->me, elapsed); /* may clear timer_active */
1381 fe->last_time = now;
1384 return fe->timer_active;
1387 void deactivate_timer(frontend *fe)
1390 return; /* can happen due to --generate */
1391 if (fe->timer_active)
1392 g_source_remove(fe->timer_id);
1393 fe->timer_active = FALSE;
1396 void activate_timer(frontend *fe)
1399 return; /* can happen due to --generate */
1400 if (!fe->timer_active) {
1401 fe->timer_id = g_timeout_add(20, timer_func, fe);
1402 gettimeofday(&fe->last_time, NULL);
1404 fe->timer_active = TRUE;
1407 static void window_destroy(GtkWidget *widget, gpointer data)
1412 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1414 GObject *cancelbutton = G_OBJECT(data);
1417 * `Escape' effectively clicks the cancel button
1419 if (event->keyval == GDK_KEY_Escape) {
1420 g_signal_emit_by_name(cancelbutton, "clicked");
1427 enum { MB_OK, MB_YESNO };
1429 static void align_label(GtkLabel *label, double x, double y)
1431 #if GTK_CHECK_VERSION(3,16,0)
1432 gtk_label_set_xalign(label, x);
1433 gtk_label_set_yalign(label, y);
1434 #elif GTK_CHECK_VERSION(3,14,0)
1435 gtk_widget_set_halign(GTK_WIDGET(label),
1436 x == 0 ? GTK_ALIGN_START :
1437 x == 1 ? GTK_ALIGN_END : GTK_ALIGN_CENTER);
1438 gtk_widget_set_valign(GTK_WIDGET(label),
1439 y == 0 ? GTK_ALIGN_START :
1440 y == 1 ? GTK_ALIGN_END : GTK_ALIGN_CENTER);
1442 gtk_misc_set_alignment(GTK_MISC(label), x, y);
1446 #if GTK_CHECK_VERSION(3,0,0)
1447 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1453 window = gtk_message_dialog_new
1454 (GTK_WINDOW(parent),
1455 (GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT),
1456 (type == MB_OK ? GTK_MESSAGE_INFO : GTK_MESSAGE_QUESTION),
1457 (type == MB_OK ? GTK_BUTTONS_OK : GTK_BUTTONS_YES_NO),
1459 gtk_window_set_title(GTK_WINDOW(window), title);
1460 ret = gtk_dialog_run(GTK_DIALOG(window));
1461 gtk_widget_destroy(window);
1462 return (type == MB_OK ? TRUE : (ret == GTK_RESPONSE_YES));
1464 #else /* GTK_CHECK_VERSION(3,0,0) */
1465 static void msgbox_button_clicked(GtkButton *button, gpointer data)
1467 GtkWidget *window = GTK_WIDGET(data);
1470 ip = (int *)g_object_get_data(G_OBJECT(window), "user-data");
1471 v = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "user-data"));
1474 gtk_widget_destroy(GTK_WIDGET(data));
1477 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1480 GtkWidget *window, *hbox, *text, *button;
1484 window = gtk_dialog_new();
1485 text = gtk_label_new(msg);
1486 align_label(GTK_LABEL(text), 0.0, 0.0);
1487 hbox = gtk_hbox_new(FALSE, 0);
1488 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
1490 (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(window))),
1491 hbox, FALSE, FALSE, 20);
1492 gtk_widget_show(text);
1493 gtk_widget_show(hbox);
1494 gtk_window_set_title(GTK_WINDOW(window), title);
1495 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
1497 if (type == MB_OK) {
1498 titles = LABEL_OK "\0";
1501 assert(type == MB_YESNO);
1502 titles = LABEL_NO "\0" LABEL_YES "\0";
1509 button = gtk_button_new_with_our_label(titles);
1511 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(window))),
1512 button, FALSE, FALSE, 0);
1513 gtk_widget_show(button);
1515 gtk_widget_set_can_default(button, TRUE);
1516 gtk_window_set_default(GTK_WINDOW(window), button);
1519 g_signal_connect(G_OBJECT(window), "key_press_event",
1520 G_CALLBACK(win_key_press), button);
1522 g_signal_connect(G_OBJECT(button), "clicked",
1523 G_CALLBACK(msgbox_button_clicked), window);
1524 g_object_set_data(G_OBJECT(button), "user-data",
1525 GINT_TO_POINTER(i));
1526 titles += strlen(titles)+1;
1529 g_object_set_data(G_OBJECT(window), "user-data", &i);
1530 g_signal_connect(G_OBJECT(window), "destroy",
1531 G_CALLBACK(window_destroy), NULL);
1532 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
1533 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
1534 /* set_transient_window_pos(parent, window); */
1535 gtk_widget_show(window);
1538 return (type == MB_YESNO ? i == 1 : TRUE);
1540 #endif /* GTK_CHECK_VERSION(3,0,0) */
1542 void error_box(GtkWidget *parent, char *msg)
1544 message_box(parent, "Error", msg, FALSE, MB_OK);
1547 static void config_ok_button_clicked(GtkButton *button, gpointer data)
1549 frontend *fe = (frontend *)data;
1552 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
1555 error_box(fe->cfgbox, err);
1558 gtk_widget_destroy(fe->cfgbox);
1563 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
1565 frontend *fe = (frontend *)data;
1567 gtk_widget_destroy(fe->cfgbox);
1570 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
1573 * GtkEntry has a nasty habit of eating the Return key, which
1574 * is unhelpful since it doesn't actually _do_ anything with it
1575 * (it calls gtk_widget_activate, but our edit boxes never need
1576 * activating). So I catch Return before GtkEntry sees it, and
1577 * pass it straight on to the parent widget. Effect: hitting
1578 * Return in an edit box will now activate the default button
1579 * in the dialog just like it will everywhere else.
1581 if (event->keyval == GDK_KEY_Return &&
1582 gtk_widget_get_parent(widget) != NULL) {
1584 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
1585 g_signal_emit_by_name(G_OBJECT(gtk_widget_get_parent(widget)),
1586 "key_press_event", event, &return_val);
1592 static void editbox_changed(GtkEditable *ed, gpointer data)
1594 config_item *i = (config_item *)data;
1597 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
1600 static void button_toggled(GtkToggleButton *tb, gpointer data)
1602 config_item *i = (config_item *)data;
1604 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
1607 static void droplist_sel(GtkComboBox *combo, gpointer data)
1609 config_item *i = (config_item *)data;
1611 i->ival = gtk_combo_box_get_active(combo);
1614 static int get_config(frontend *fe, int which)
1616 GtkWidget *w, *table, *cancel;
1617 GtkBox *content_box, *button_box;
1622 fe->cfg = midend_get_config(fe->me, which, &title);
1623 fe->cfg_which = which;
1626 #if GTK_CHECK_VERSION(3,0,0)
1627 /* GtkDialog isn't quite flexible enough */
1628 fe->cfgbox = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1629 content_box = GTK_BOX(gtk_vbox_new(FALSE, 8));
1630 g_object_set(G_OBJECT(content_box), "margin", 8, (const char *)NULL);
1631 gtk_widget_show(GTK_WIDGET(content_box));
1632 gtk_container_add(GTK_CONTAINER(fe->cfgbox), GTK_WIDGET(content_box));
1633 button_box = GTK_BOX(gtk_hbox_new(FALSE, 8));
1634 gtk_widget_show(GTK_WIDGET(button_box));
1635 gtk_box_pack_end(content_box, GTK_WIDGET(button_box), FALSE, FALSE, 0);
1637 GtkWidget *sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
1638 gtk_widget_show(sep);
1639 gtk_box_pack_end(content_box, sep, FALSE, FALSE, 0);
1642 fe->cfgbox = gtk_dialog_new();
1643 content_box = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(fe->cfgbox)));
1644 button_box = GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox)));
1646 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
1649 w = gtk_button_new_with_our_label(LABEL_CANCEL);
1650 gtk_box_pack_end(button_box, w, FALSE, FALSE, 0);
1652 g_signal_connect(G_OBJECT(w), "clicked",
1653 G_CALLBACK(config_cancel_button_clicked), fe);
1656 w = gtk_button_new_with_our_label(LABEL_OK);
1657 gtk_box_pack_end(button_box, w, FALSE, FALSE, 0);
1659 gtk_widget_set_can_default(w, TRUE);
1660 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
1661 g_signal_connect(G_OBJECT(w), "clicked",
1662 G_CALLBACK(config_ok_button_clicked), fe);
1664 #if GTK_CHECK_VERSION(3,0,0)
1665 table = gtk_grid_new();
1667 table = gtk_table_new(1, 2, FALSE);
1670 gtk_box_pack_start(content_box, table, FALSE, FALSE, 0);
1671 gtk_widget_show(table);
1673 for (i = fe->cfg; i->type != C_END; i++) {
1674 #if !GTK_CHECK_VERSION(3,0,0)
1675 gtk_table_resize(GTK_TABLE(table), y+1, 2);
1681 * Edit box with a label beside it.
1684 w = gtk_label_new(i->name);
1685 align_label(GTK_LABEL(w), 0.0, 0.5);
1686 #if GTK_CHECK_VERSION(3,0,0)
1687 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1689 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1690 GTK_SHRINK | GTK_FILL,
1691 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1696 w = gtk_entry_new();
1697 #if GTK_CHECK_VERSION(3,0,0)
1698 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1699 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1701 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1702 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1703 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1706 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
1707 g_signal_connect(G_OBJECT(w), "changed",
1708 G_CALLBACK(editbox_changed), i);
1709 g_signal_connect(G_OBJECT(w), "key_press_event",
1710 G_CALLBACK(editbox_key), NULL);
1719 w = gtk_check_button_new_with_label(i->name);
1720 g_signal_connect(G_OBJECT(w), "toggled",
1721 G_CALLBACK(button_toggled), i);
1722 #if GTK_CHECK_VERSION(3,0,0)
1723 gtk_grid_attach(GTK_GRID(table), w, 0, y, 2, 1);
1724 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1726 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
1727 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1728 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1731 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
1737 * Drop-down list (GtkComboBox).
1740 w = gtk_label_new(i->name);
1741 align_label(GTK_LABEL(w), 0.0, 0.5);
1742 #if GTK_CHECK_VERSION(3,0,0)
1743 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1745 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1746 GTK_SHRINK | GTK_FILL,
1747 GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
1755 GtkListStore *model;
1756 GtkCellRenderer *cr;
1759 model = gtk_list_store_new(1, G_TYPE_STRING);
1766 while (*q && *q != c)
1769 name = snewn(q-p+1, char);
1770 strncpy(name, p, q-p);
1773 if (*q) q++; /* eat delimiter */
1775 gtk_list_store_append(model, &iter);
1776 gtk_list_store_set(model, &iter, 0, name, -1);
1781 w = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
1783 gtk_combo_box_set_active(GTK_COMBO_BOX(w), i->ival);
1785 cr = gtk_cell_renderer_text_new();
1786 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(w), cr, TRUE);
1787 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(w), cr,
1790 g_signal_connect(G_OBJECT(w), "changed",
1791 G_CALLBACK(droplist_sel), i);
1794 #if GTK_CHECK_VERSION(3,0,0)
1795 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1796 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1798 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1799 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1800 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1810 g_signal_connect(G_OBJECT(fe->cfgbox), "destroy",
1811 G_CALLBACK(window_destroy), NULL);
1812 g_signal_connect(G_OBJECT(fe->cfgbox), "key_press_event",
1813 G_CALLBACK(win_key_press), cancel);
1814 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1815 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1816 GTK_WINDOW(fe->window));
1817 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1818 gtk_widget_show(fe->cfgbox);
1826 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1828 frontend *fe = (frontend *)data;
1829 int key = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
1831 if (!midend_process_key(fe->me, 0, 0, key))
1832 gtk_widget_destroy(fe->window);
1835 static void get_size(frontend *fe, int *px, int *py)
1840 * Currently I don't want to make the GTK port scale large
1841 * puzzles to fit on the screen. This is because X does permit
1842 * extremely large windows and many window managers provide a
1843 * means of navigating round them, and the users I consulted
1844 * before deciding said that they'd rather have enormous puzzle
1845 * windows spanning multiple screen pages than have them
1846 * shrunk. I could change my mind later or introduce
1847 * configurability; this would be the place to do so, by
1848 * replacing the initial values of x and y with the screen
1853 midend_size(fe->me, &x, &y, FALSE);
1858 #if !GTK_CHECK_VERSION(2,0,0)
1859 #define gtk_window_resize(win, x, y) \
1860 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1864 * Called when any other code in this file has changed the
1865 * selected game parameters.
1867 static void changed_preset(frontend *fe)
1869 int n = midend_which_preset(fe->me);
1871 fe->preset_threaded = TRUE;
1872 if (n < 0 && fe->preset_custom) {
1873 gtk_check_menu_item_set_active(
1874 GTK_CHECK_MENU_ITEM(fe->preset_custom),
1877 GSList *gs = fe->preset_radio;
1878 GSList *found = NULL;
1880 for (gs = fe->preset_radio; gs; gs = gs->next) {
1881 struct preset_menu_entry *entry =
1882 (struct preset_menu_entry *)g_object_get_data(
1883 G_OBJECT(gs->data), "user-data");
1884 if (!entry || entry->id != n)
1885 gtk_check_menu_item_set_active(
1886 GTK_CHECK_MENU_ITEM(gs->data), FALSE);
1891 gtk_check_menu_item_set_active(
1892 GTK_CHECK_MENU_ITEM(found->data), TRUE);
1894 fe->preset_threaded = FALSE;
1897 * Update the greying on the Copy menu option.
1899 if (fe->copy_menu_item) {
1900 int enabled = midend_can_format_as_text_now(fe->me);
1901 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1905 #if !GTK_CHECK_VERSION(3,0,0)
1906 static gboolean not_size_allocated_yet(GtkWidget *w)
1909 * This function tests whether a widget has not yet taken up space
1910 * on the screen which it will occupy in future. (Therefore, it
1911 * returns true only if the widget does exist but does not have a
1912 * size allocation. A null widget is already taking up all the
1913 * space it ever will.)
1916 return FALSE; /* nonexistent widgets aren't a problem */
1918 #if GTK_CHECK_VERSION(2,18,0) /* skip if no gtk_widget_get_allocation */
1921 gtk_widget_get_allocation(w, &a);
1922 if (a.height == 0 || a.width == 0)
1923 return TRUE; /* widget exists but has no size yet */
1930 static void try_shrink_drawing_area(frontend *fe)
1932 if (fe->drawing_area_shrink_pending &&
1933 (!fe->menubar_is_local || !not_size_allocated_yet(fe->menubar)) &&
1934 !not_size_allocated_yet(fe->statusbar)) {
1936 * In order to permit the user to resize the window smaller as
1937 * well as bigger, we call this function after the window size
1938 * has ended up where we want it. This shouldn't shrink the
1939 * window immediately; it just arranges that the next time the
1940 * user tries to shrink it, they can.
1942 * However, at puzzle creation time, we defer the first of
1943 * these operations until after the menu bar and status bar
1944 * are actually visible. On Ubuntu 12.04 I've found that these
1945 * can take a while to be displayed, and that it's a mistake
1946 * to reduce the drawing area's size allocation before they've
1947 * turned up or else the drawing area makes room for them by
1948 * shrinking to less than the size we intended.
1950 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1951 fe->drawing_area_shrink_pending = FALSE;
1954 #endif /* !GTK_CHECK_VERSION(3,0,0) */
1956 static gint configure_window(GtkWidget *widget,
1957 GdkEventConfigure *event, gpointer data)
1959 #if !GTK_CHECK_VERSION(3,0,0)
1961 * When the main puzzle window changes size, it might be because
1962 * the menu bar or status bar has turned up after starting off
1963 * absent, in which case we should have another go at enacting a
1964 * pending shrink of the drawing area.
1966 frontend *fe = (frontend *)data;
1967 try_shrink_drawing_area(fe);
1972 #if GTK_CHECK_VERSION(3,0,0)
1973 static int window_extra_height(frontend *fe)
1978 gtk_widget_get_preferred_size(fe->menubar, &req, NULL);
1981 if (fe->statusbar) {
1983 gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
1990 static void resize_fe(frontend *fe)
1994 get_size(fe, &x, &y);
1996 #if GTK_CHECK_VERSION(3,0,0)
1997 gtk_window_resize(GTK_WINDOW(fe->window), x, y + window_extra_height(fe));
1999 fe->drawing_area_shrink_pending = FALSE;
2000 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
2003 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
2004 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
2006 fe->drawing_area_shrink_pending = TRUE;
2007 try_shrink_drawing_area(fe);
2011 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
2013 frontend *fe = (frontend *)data;
2014 struct preset_menu_entry *entry =
2015 (struct preset_menu_entry *)g_object_get_data(
2016 G_OBJECT(menuitem), "user-data");
2018 if (fe->preset_threaded ||
2019 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
2020 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
2022 midend_set_params(fe->me, entry->params);
2023 midend_new_game(fe->me);
2026 midend_redraw(fe->me);
2029 GdkAtom compound_text_atom, utf8_string_atom;
2030 int paste_initialised = FALSE;
2032 static void set_selection(frontend *fe, GdkAtom selection)
2034 if (!paste_initialised) {
2035 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
2036 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
2037 paste_initialised = TRUE;
2041 * For this simple application we can safely assume that the
2042 * data passed to this function is pure ASCII, which means we
2043 * can return precisely the same stuff for types STRING,
2044 * COMPOUND_TEXT or UTF8_STRING.
2047 if (gtk_selection_owner_set(fe->area, selection, CurrentTime)) {
2048 gtk_selection_clear_targets(fe->area, selection);
2049 gtk_selection_add_target(fe->area, selection,
2050 GDK_SELECTION_TYPE_STRING, 1);
2051 gtk_selection_add_target(fe->area, selection, compound_text_atom, 1);
2052 gtk_selection_add_target(fe->area, selection, utf8_string_atom, 1);
2056 void write_clip(frontend *fe, char *data)
2059 sfree(fe->paste_data);
2061 fe->paste_data = data;
2062 fe->paste_data_len = strlen(data);
2064 set_selection(fe, GDK_SELECTION_PRIMARY);
2065 set_selection(fe, GDK_SELECTION_CLIPBOARD);
2068 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
2069 guint info, guint time_stamp, gpointer data)
2071 frontend *fe = (frontend *)data;
2072 gtk_selection_data_set(seldata, gtk_selection_data_get_target(seldata), 8,
2073 fe->paste_data, fe->paste_data_len);
2076 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
2079 frontend *fe = (frontend *)data;
2082 sfree(fe->paste_data);
2083 fe->paste_data = NULL;
2084 fe->paste_data_len = 0;
2088 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
2090 frontend *fe = (frontend *)data;
2093 text = midend_text_format(fe->me);
2096 write_clip(fe, text);
2104 static void filesel_ok(GtkButton *button, gpointer data)
2106 frontend *fe = (frontend *)data;
2108 gpointer filesel = g_object_get_data(G_OBJECT(button), "user-data");
2111 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
2113 fe->filesel_name = dupstr(name);
2116 static char *file_selector(frontend *fe, char *title, int save)
2118 GtkWidget *filesel =
2119 gtk_file_selection_new(title);
2121 fe->filesel_name = NULL;
2123 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
2125 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
2128 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2129 G_CALLBACK(filesel_ok), fe);
2130 g_signal_connect_swapped
2131 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2132 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2133 g_signal_connect_object
2134 (G_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
2135 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2136 g_signal_connect(G_OBJECT(filesel), "destroy",
2137 G_CALLBACK(window_destroy), NULL);
2138 gtk_widget_show(filesel);
2139 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
2142 return fe->filesel_name;
2147 static char *file_selector(frontend *fe, char *title, int save)
2149 char *filesel_name = NULL;
2151 GtkWidget *filesel =
2152 gtk_file_chooser_dialog_new(title,
2153 GTK_WINDOW(fe->window),
2154 save ? GTK_FILE_CHOOSER_ACTION_SAVE :
2155 GTK_FILE_CHOOSER_ACTION_OPEN,
2156 LABEL_CANCEL, GTK_RESPONSE_CANCEL,
2157 save ? LABEL_SAVE : LABEL_OPEN,
2158 GTK_RESPONSE_ACCEPT,
2161 if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
2162 char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
2163 filesel_name = dupstr(name);
2167 gtk_widget_destroy(filesel);
2169 return filesel_name;
2174 struct savefile_write_ctx {
2179 static void savefile_write(void *wctx, void *buf, int len)
2181 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
2182 if (fwrite(buf, 1, len, ctx->fp) < len)
2186 static int savefile_read(void *wctx, void *buf, int len)
2188 FILE *fp = (FILE *)wctx;
2191 ret = fread(buf, 1, len, fp);
2192 return (ret == len);
2195 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
2197 frontend *fe = (frontend *)data;
2200 name = file_selector(fe, "Enter name of game file to save", TRUE);
2205 if ((fp = fopen(name, "r")) != NULL) {
2206 char buf[256 + FILENAME_MAX];
2210 sprintf(buf, "Are you sure you want to overwrite the"
2212 FILENAME_MAX, name);
2213 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
2214 goto free_and_return;
2217 fp = fopen(name, "w");
2220 error_box(fe->window, "Unable to open save file");
2221 goto free_and_return;
2225 struct savefile_write_ctx ctx;
2228 midend_serialise(fe->me, savefile_write, &ctx);
2232 sprintf(boxmsg, "Error writing save file: %.400s",
2234 error_box(fe->window, boxmsg);
2235 goto free_and_return;
2243 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
2245 frontend *fe = (frontend *)data;
2248 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
2251 FILE *fp = fopen(name, "r");
2255 error_box(fe->window, "Unable to open saved game file");
2259 err = midend_deserialise(fe->me, savefile_read, fp);
2264 error_box(fe->window, err);
2270 midend_redraw(fe->me);
2274 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
2276 frontend *fe = (frontend *)data;
2279 msg = midend_solve(fe->me);
2282 error_box(fe->window, msg);
2285 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
2287 frontend *fe = (frontend *)data;
2289 midend_restart_game(fe->me);
2292 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
2294 frontend *fe = (frontend *)data;
2295 int which = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
2298 if (fe->preset_threaded ||
2299 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
2300 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
2302 changed_preset(fe); /* Put the old preset back! */
2303 if (!get_config(fe, which))
2306 midend_new_game(fe->me);
2308 midend_redraw(fe->me);
2311 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
2313 frontend *fe = (frontend *)data;
2315 #if GTK_CHECK_VERSION(3,0,0)
2316 extern char *const *const xpm_icons[];
2317 extern const int n_xpm_icons;
2318 GdkPixbuf *icon = gdk_pixbuf_new_from_xpm_data
2319 ((const gchar **)xpm_icons[n_xpm_icons-1]);
2320 gtk_show_about_dialog
2321 (GTK_WINDOW(fe->window),
2322 "program-name", thegame.name,
2324 "comments", "Part of Simon Tatham's Portable Puzzle Collection",
2326 (const gchar *)NULL);
2327 g_object_unref(G_OBJECT(icon));
2332 sprintf(titlebuf, "About %.200s", thegame.name);
2335 "from Simon Tatham's Portable Puzzle Collection\n\n"
2336 "%.500s", thegame.name, ver);
2338 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
2342 static GtkWidget *add_menu_ui_item(
2343 frontend *fe, GtkContainer *cont, char *text, int action,
2344 int accel_key, int accel_keyqual)
2346 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
2347 gtk_container_add(cont, menuitem);
2348 g_object_set_data(G_OBJECT(menuitem), "user-data",
2349 GINT_TO_POINTER(action));
2350 g_signal_connect(G_OBJECT(menuitem), "activate",
2351 G_CALLBACK(menu_key_event), fe);
2355 * Display a keyboard accelerator alongside this menu item.
2356 * Actually this won't be processed via the usual GTK
2357 * accelerator system, because we add it to a dummy
2358 * accelerator group which is never actually activated on the
2359 * main window; this permits back ends to override special
2360 * keys like 'n' and 'r' and 'u' in some UI states. So
2361 * whatever keystroke we display here will still go to
2362 * key_event and be handled in the normal way.
2364 gtk_widget_add_accelerator(menuitem,
2365 "activate", fe->dummy_accelgroup,
2366 accel_key, accel_keyqual,
2367 GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED);
2370 gtk_widget_show(menuitem);
2374 static void add_menu_separator(GtkContainer *cont)
2376 GtkWidget *menuitem = gtk_menu_item_new();
2377 gtk_container_add(cont, menuitem);
2378 gtk_widget_show(menuitem);
2381 static void populate_gtk_preset_menu(frontend *fe, struct preset_menu *menu,
2386 for (i = 0; i < menu->n_entries; i++) {
2387 struct preset_menu_entry *entry = &menu->entries[i];
2388 GtkWidget *menuitem;
2390 if (entry->params) {
2391 menuitem = gtk_radio_menu_item_new_with_label(
2392 fe->preset_radio, entry->title);
2393 fe->preset_radio = gtk_radio_menu_item_get_group(
2394 GTK_RADIO_MENU_ITEM(menuitem));
2395 g_object_set_data(G_OBJECT(menuitem), "user-data", entry);
2396 g_signal_connect(G_OBJECT(menuitem), "activate",
2397 G_CALLBACK(menu_preset_event), fe);
2400 menuitem = gtk_menu_item_new_with_label(entry->title);
2401 submenu = gtk_menu_new();
2402 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
2403 populate_gtk_preset_menu(fe, entry->submenu, submenu);
2406 gtk_container_add(GTK_CONTAINER(gtkmenu), menuitem);
2407 gtk_widget_show(menuitem);
2411 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
2413 static frontend *new_window(char *arg, int argtype, char **error)
2416 GtkBox *vbox, *hbox;
2417 GtkWidget *menu, *menuitem;
2421 extern char *const *const xpm_icons[];
2422 extern const int n_xpm_icons;
2423 struct preset_menu *preset_menu;
2425 fe = snew(frontend);
2426 #if GTK_CHECK_VERSION(3,20,0)
2427 fe->css_provider = NULL;
2430 fe->timer_active = FALSE;
2433 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
2443 err = midend_game_id(fe->me, arg);
2445 midend_new_game(fe->me);
2447 sprintf(errbuf, "Invalid game ID: %.800s", err);
2450 fp = fopen(arg, "r");
2452 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
2454 err = midend_deserialise(fe->me, savefile_read, fp);
2456 sprintf(errbuf, "Invalid save file: %.800s", err);
2460 default /*case ARG_EITHER*/:
2462 * First try treating the argument as a game ID.
2464 err = midend_game_id(fe->me, arg);
2467 * It's a valid game ID.
2469 midend_new_game(fe->me);
2471 FILE *fp = fopen(arg, "r");
2473 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
2474 " nor a save file (%.400s)", err, strerror(errno));
2476 err = midend_deserialise(fe->me, savefile_read, fp);
2478 sprintf(errbuf, "%.800s", err);
2485 *error = dupstr(errbuf);
2486 midend_free(fe->me);
2492 midend_new_game(fe->me);
2495 #if !GTK_CHECK_VERSION(3,0,0)
2498 * try_shrink_drawing_area() will do some fiddling with the
2499 * window size request (see comment in that function) after
2500 * all the bits and pieces such as the menu bar and status bar
2501 * have appeared in the puzzle window.
2503 * However, on Unity systems, the menu bar _doesn't_ appear in
2504 * the puzzle window, because the Unity shell hijacks it into
2505 * the menu bar at the very top of the screen. We therefore
2506 * try to detect that situation here, so that we don't sit
2507 * here forever waiting for a menu bar.
2509 const char prop[] = "gtk-shell-shows-menubar";
2510 GtkSettings *settings = gtk_settings_get_default();
2511 if (!g_object_class_find_property(G_OBJECT_GET_CLASS(settings),
2513 fe->menubar_is_local = TRUE;
2516 g_object_get(gtk_settings_get_default(),
2518 (const gchar *)NULL);
2519 fe->menubar_is_local = !unity_mode;
2524 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2525 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
2527 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
2528 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
2529 gtk_widget_show(GTK_WIDGET(vbox));
2531 fe->dummy_accelgroup = gtk_accel_group_new();
2533 * Intentionally _not_ added to the window via
2534 * gtk_window_add_accel_group; see menu_key_event
2537 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2538 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2539 gtk_widget_show(GTK_WIDGET(hbox));
2541 fe->menubar = gtk_menu_bar_new();
2542 gtk_box_pack_start(hbox, fe->menubar, TRUE, TRUE, 0);
2543 gtk_widget_show(fe->menubar);
2545 menuitem = gtk_menu_item_new_with_mnemonic("_Game");
2546 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2547 gtk_widget_show(menuitem);
2549 menu = gtk_menu_new();
2550 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2552 add_menu_ui_item(fe, GTK_CONTAINER(menu), "New", UI_NEWGAME, 'n', 0);
2554 menuitem = gtk_menu_item_new_with_label("Restart");
2555 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2556 g_signal_connect(G_OBJECT(menuitem), "activate",
2557 G_CALLBACK(menu_restart_event), fe);
2558 gtk_widget_show(menuitem);
2560 menuitem = gtk_menu_item_new_with_label("Specific...");
2561 g_object_set_data(G_OBJECT(menuitem), "user-data",
2562 GINT_TO_POINTER(CFG_DESC));
2563 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2564 g_signal_connect(G_OBJECT(menuitem), "activate",
2565 G_CALLBACK(menu_config_event), fe);
2566 gtk_widget_show(menuitem);
2568 menuitem = gtk_menu_item_new_with_label("Random Seed...");
2569 g_object_set_data(G_OBJECT(menuitem), "user-data",
2570 GINT_TO_POINTER(CFG_SEED));
2571 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2572 g_signal_connect(G_OBJECT(menuitem), "activate",
2573 G_CALLBACK(menu_config_event), fe);
2574 gtk_widget_show(menuitem);
2576 fe->preset_radio = NULL;
2577 fe->preset_custom = NULL;
2578 fe->preset_threaded = FALSE;
2580 preset_menu = midend_get_presets(fe->me, NULL);
2581 if (preset_menu->n_entries > 0 || thegame.can_configure) {
2584 menuitem = gtk_menu_item_new_with_mnemonic("_Type");
2585 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2586 gtk_widget_show(menuitem);
2588 submenu = gtk_menu_new();
2589 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
2591 populate_gtk_preset_menu(fe, preset_menu, submenu);
2593 if (thegame.can_configure) {
2594 menuitem = fe->preset_custom =
2595 gtk_radio_menu_item_new_with_label(fe->preset_radio,
2598 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2599 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2600 g_object_set_data(G_OBJECT(menuitem), "user-data",
2601 GINT_TO_POINTER(CFG_SETTINGS));
2602 g_signal_connect(G_OBJECT(menuitem), "activate",
2603 G_CALLBACK(menu_config_event), fe);
2604 gtk_widget_show(menuitem);
2609 add_menu_separator(GTK_CONTAINER(menu));
2610 menuitem = gtk_menu_item_new_with_label("Load...");
2611 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2612 g_signal_connect(G_OBJECT(menuitem), "activate",
2613 G_CALLBACK(menu_load_event), fe);
2614 gtk_widget_show(menuitem);
2615 menuitem = gtk_menu_item_new_with_label("Save...");
2616 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2617 g_signal_connect(G_OBJECT(menuitem), "activate",
2618 G_CALLBACK(menu_save_event), fe);
2619 gtk_widget_show(menuitem);
2620 #ifndef STYLUS_BASED
2621 add_menu_separator(GTK_CONTAINER(menu));
2622 add_menu_ui_item(fe, GTK_CONTAINER(menu), "Undo", UI_UNDO, 'u', 0);
2623 add_menu_ui_item(fe, GTK_CONTAINER(menu), "Redo", UI_REDO, 'r', 0);
2625 if (thegame.can_format_as_text_ever) {
2626 add_menu_separator(GTK_CONTAINER(menu));
2627 menuitem = gtk_menu_item_new_with_label("Copy");
2628 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2629 g_signal_connect(G_OBJECT(menuitem), "activate",
2630 G_CALLBACK(menu_copy_event), fe);
2631 gtk_widget_show(menuitem);
2632 fe->copy_menu_item = menuitem;
2634 fe->copy_menu_item = NULL;
2636 if (thegame.can_solve) {
2637 add_menu_separator(GTK_CONTAINER(menu));
2638 menuitem = gtk_menu_item_new_with_label("Solve");
2639 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2640 g_signal_connect(G_OBJECT(menuitem), "activate",
2641 G_CALLBACK(menu_solve_event), fe);
2642 gtk_widget_show(menuitem);
2644 add_menu_separator(GTK_CONTAINER(menu));
2645 add_menu_ui_item(fe, GTK_CONTAINER(menu), "Exit", UI_QUIT, 'q', 0);
2647 menuitem = gtk_menu_item_new_with_mnemonic("_Help");
2648 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2649 gtk_widget_show(menuitem);
2651 menu = gtk_menu_new();
2652 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2654 menuitem = gtk_menu_item_new_with_label("About");
2655 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2656 g_signal_connect(G_OBJECT(menuitem), "activate",
2657 G_CALLBACK(menu_about_event), fe);
2658 gtk_widget_show(menuitem);
2661 menuitem=gtk_button_new_with_mnemonic("_Redo");
2662 g_object_set_data(G_OBJECT(menuitem), "user-data",
2663 GINT_TO_POINTER(UI_REDO));
2664 g_signal_connect(G_OBJECT(menuitem), "clicked",
2665 G_CALLBACK(menu_key_event), fe);
2666 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2667 gtk_widget_show(menuitem);
2669 menuitem=gtk_button_new_with_mnemonic("_Undo");
2670 g_object_set_data(G_OBJECT(menuitem), "user-data",
2671 GINT_TO_POINTER(UI_UNDO));
2672 g_signal_connect(G_OBJECT(menuitem), "clicked",
2673 G_CALLBACK(menu_key_event), fe);
2674 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2675 gtk_widget_show(menuitem);
2677 if (thegame.flags & REQUIRE_NUMPAD) {
2678 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2679 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2680 gtk_widget_show(GTK_WIDGET(hbox));
2684 for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
2685 menuitem=gtk_button_new_with_label(errbuf);
2686 g_object_set_data(G_OBJECT(menuitem), "user-data",
2687 GINT_TO_POINTER((int)(errbuf[0])));
2688 g_signal_connect(G_OBJECT(menuitem), "clicked",
2689 G_CALLBACK(menu_key_event), fe);
2690 gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0);
2691 gtk_widget_show(menuitem);
2694 #endif /* STYLUS_BASED */
2698 snaffle_colours(fe);
2700 if (midend_wants_statusbar(fe->me)) {
2701 GtkWidget *viewport;
2704 viewport = gtk_viewport_new(NULL, NULL);
2705 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
2706 fe->statusbar = gtk_statusbar_new();
2707 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
2708 gtk_widget_show(viewport);
2709 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
2710 gtk_widget_show(fe->statusbar);
2711 fe->statusctx = gtk_statusbar_get_context_id
2712 (GTK_STATUSBAR(fe->statusbar), "game");
2713 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
2714 DEFAULT_STATUSBAR_TEXT);
2715 #if GTK_CHECK_VERSION(3,0,0)
2716 gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
2718 gtk_widget_size_request(fe->statusbar, &req);
2720 gtk_widget_set_size_request(viewport, -1, req.height);
2722 fe->statusbar = NULL;
2724 fe->area = gtk_drawing_area_new();
2725 #if GTK_CHECK_VERSION(2,0,0) && !GTK_CHECK_VERSION(3,0,0)
2726 gtk_widget_set_double_buffered(fe->area, FALSE);
2730 geom.base_width = 0;
2731 #if GTK_CHECK_VERSION(3,0,0)
2732 geom.base_height = window_extra_height(fe);
2733 gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), NULL,
2734 &geom, GDK_HINT_BASE_SIZE);
2736 geom.base_height = 0;
2737 gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), fe->area,
2738 &geom, GDK_HINT_BASE_SIZE);
2743 get_size(fe, &x, &y);
2744 #if GTK_CHECK_VERSION(3,0,0)
2745 gtk_window_set_default_size(GTK_WINDOW(fe->window),
2746 x, y + window_extra_height(fe));
2748 fe->drawing_area_shrink_pending = FALSE;
2749 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
2752 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
2754 clear_backing_store(fe);
2756 fe->nfonts = fe->fontsize = 0;
2758 fe->paste_data = NULL;
2759 fe->paste_data_len = 0;
2761 g_signal_connect(G_OBJECT(fe->window), "destroy",
2762 G_CALLBACK(destroy), fe);
2763 g_signal_connect(G_OBJECT(fe->window), "key_press_event",
2764 G_CALLBACK(key_event), fe);
2765 g_signal_connect(G_OBJECT(fe->area), "button_press_event",
2766 G_CALLBACK(button_event), fe);
2767 g_signal_connect(G_OBJECT(fe->area), "button_release_event",
2768 G_CALLBACK(button_event), fe);
2769 g_signal_connect(G_OBJECT(fe->area), "motion_notify_event",
2770 G_CALLBACK(motion_event), fe);
2771 g_signal_connect(G_OBJECT(fe->area), "selection_get",
2772 G_CALLBACK(selection_get), fe);
2773 g_signal_connect(G_OBJECT(fe->area), "selection_clear_event",
2774 G_CALLBACK(selection_clear), fe);
2775 #if GTK_CHECK_VERSION(3,0,0)
2776 g_signal_connect(G_OBJECT(fe->area), "draw",
2777 G_CALLBACK(draw_area), fe);
2779 g_signal_connect(G_OBJECT(fe->area), "expose_event",
2780 G_CALLBACK(expose_area), fe);
2782 g_signal_connect(G_OBJECT(fe->window), "map_event",
2783 G_CALLBACK(map_window), fe);
2784 g_signal_connect(G_OBJECT(fe->area), "configure_event",
2785 G_CALLBACK(configure_area), fe);
2786 g_signal_connect(G_OBJECT(fe->window), "configure_event",
2787 G_CALLBACK(configure_window), fe);
2789 gtk_widget_add_events(GTK_WIDGET(fe->area),
2790 GDK_BUTTON_PRESS_MASK |
2791 GDK_BUTTON_RELEASE_MASK |
2792 GDK_BUTTON_MOTION_MASK |
2793 GDK_POINTER_MOTION_HINT_MASK);
2796 gtk_window_set_icon(GTK_WINDOW(fe->window),
2797 gdk_pixbuf_new_from_xpm_data
2798 ((const gchar **)xpm_icons[0]));
2801 for (n = 0; n < n_xpm_icons; n++) {
2803 g_list_append(iconlist,
2804 gdk_pixbuf_new_from_xpm_data((const gchar **)
2807 gtk_window_set_icon_list(GTK_WINDOW(fe->window), iconlist);
2810 gtk_widget_show(fe->area);
2811 gtk_widget_show(fe->window);
2813 #if !GTK_CHECK_VERSION(3,0,0)
2814 fe->drawing_area_shrink_pending = TRUE;
2815 try_shrink_drawing_area(fe);
2818 set_window_background(fe, 0);
2823 char *fgetline(FILE *fp)
2825 char *ret = snewn(512, char);
2826 int size = 512, len = 0;
2827 while (fgets(ret + len, size - len, fp)) {
2828 len += strlen(ret + len);
2829 if (ret[len-1] == '\n')
2830 break; /* got a newline, we're done */
2832 ret = sresize(ret, size, char);
2834 if (len == 0) { /* first fgets returned NULL */
2842 static void list_presets_from_menu(struct preset_menu *menu)
2846 for (i = 0; i < menu->n_entries; i++) {
2847 if (menu->entries[i].params) {
2848 char *paramstr = thegame.encode_params(
2849 menu->entries[i].params, TRUE);
2850 printf("%s %s\n", paramstr, menu->entries[i].title);
2853 list_presets_from_menu(menu->entries[i].submenu);
2858 int main(int argc, char **argv)
2860 char *pname = argv[0];
2862 int ngenerate = 0, print = FALSE, px = 1, py = 1;
2863 int time_generation = FALSE, test_solve = FALSE, list_presets = FALSE;
2864 int soln = FALSE, colour = FALSE;
2866 float redo_proportion = 0.0F;
2867 char *savefile = NULL, *savesuffix = NULL;
2869 int argtype = ARG_EITHER;
2870 char *screenshot_file = NULL;
2871 int doing_opts = TRUE;
2877 * Command line parsing in this function is rather fiddly,
2878 * because GTK wants to have a go at argc/argv _first_ - and
2879 * yet we can't let it, because gtk_init() will bomb out if it
2880 * can't open an X display, whereas in fact we want to permit
2881 * our --generate and --print modes to run without an X
2885 * - we parse the command line ourselves, without modifying
2887 * - if we encounter an error which might plausibly be the
2888 * result of a GTK command line (i.e. not detailed errors in
2889 * particular options of ours) we store the error message
2890 * and terminate parsing.
2891 * - if we got enough out of the command line to know it
2892 * specifies a non-X mode of operation, we either display
2893 * the stored error and return failure, or if there is no
2894 * stored error we do the non-X operation and return
2896 * - otherwise, we go straight to gtk_init().
2902 if (doing_opts && !strcmp(p, "--version")) {
2903 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
2906 } else if (doing_opts && !strcmp(p, "--generate")) {
2908 ngenerate = atoi(*++av);
2910 fprintf(stderr, "%s: '--generate' expected a number\n",
2916 } else if (doing_opts && !strcmp(p, "--time-generation")) {
2917 time_generation = TRUE;
2918 } else if (doing_opts && !strcmp(p, "--test-solve")) {
2920 } else if (doing_opts && !strcmp(p, "--list-presets")) {
2921 list_presets = TRUE;
2922 } else if (doing_opts && !strcmp(p, "--save")) {
2926 fprintf(stderr, "%s: '--save' expected a filename\n",
2930 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
2931 !strcmp(p, "--savesuffix"))) {
2935 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
2939 } else if (doing_opts && !strcmp(p, "--print")) {
2940 if (!thegame.can_print) {
2941 fprintf(stderr, "%s: this game does not support printing\n",
2948 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
2949 fprintf(stderr, "%s: unable to parse argument '%s' to "
2950 "'--print'\n", pname, dim);
2956 } else if (doing_opts && !strcmp(p, "--scale")) {
2958 scale = atof(*++av);
2960 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2964 } else if (doing_opts && !strcmp(p, "--redo")) {
2966 * This is an internal option which I don't expect
2967 * users to have any particular use for. The effect of
2968 * --redo is that once the game has been loaded and
2969 * initialised, the next move in the redo chain is
2970 * replayed, and the game screen is redrawn part way
2971 * through the making of the move. This is only
2972 * meaningful if there _is_ a next move in the redo
2973 * chain, which means in turn that this option is only
2974 * useful if you're also passing a save file on the
2977 * This option is used by the script which generates
2978 * the puzzle icons and website screenshots, and I
2979 * don't imagine it's useful for anything else.
2980 * (Unless, I suppose, users don't like my screenshots
2981 * and want to generate their own in the same way for
2982 * some repackaged version of the puzzles.)
2985 redo_proportion = atof(*++av);
2987 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
2991 } else if (doing_opts && !strcmp(p, "--screenshot")) {
2993 * Another internal option for the icon building
2994 * script. This causes a screenshot of the central
2995 * drawing area (i.e. not including the menu bar or
2996 * status bar) to be saved to a PNG file once the
2997 * window has been drawn, and then the application
2998 * quits immediately.
3001 screenshot_file = *++av;
3003 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
3007 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
3008 !strcmp(p, "--with-solution") ||
3009 !strcmp(p, "--with-solns") ||
3010 !strcmp(p, "--with-soln") ||
3011 !strcmp(p, "--solutions") ||
3012 !strcmp(p, "--solution") ||
3013 !strcmp(p, "--solns") ||
3014 !strcmp(p, "--soln"))) {
3016 } else if (doing_opts && !strcmp(p, "--colour")) {
3017 if (!thegame.can_print_in_colour) {
3018 fprintf(stderr, "%s: this game does not support colour"
3019 " printing\n", pname);
3023 } else if (doing_opts && !strcmp(p, "--load")) {
3025 } else if (doing_opts && !strcmp(p, "--game")) {
3027 } else if (doing_opts && !strcmp(p, "--")) {
3029 } else if (!doing_opts || p[0] != '-') {
3031 fprintf(stderr, "%s: more than one argument supplied\n",
3037 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
3044 * Special standalone mode for generating puzzle IDs on the
3045 * command line. Useful for generating puzzles to be printed
3046 * out and solved offline (for puzzles where that even makes
3047 * sense - Solo, for example, is a lot more pencil-and-paper
3048 * friendly than Twiddle!)
3052 * <puzzle-name> --generate [<n> [<params>]]
3054 * <n>, if present, is the number of puzzle IDs to generate.
3055 * <params>, if present, is the same type of parameter string
3056 * you would pass to the puzzle when running it in GUI mode,
3057 * including optional extras such as the expansion factor in
3058 * Rectangles and the difficulty level in Solo.
3060 * If you specify <params>, you must also specify <n> (although
3061 * you may specify it to be 1). Sorry; that was the
3062 * simplest-to-parse command-line syntax I came up with.
3064 if (ngenerate > 0 || print || savefile || savesuffix) {
3068 document *doc = NULL;
3071 * If we're in this branch, we should display any pending
3072 * error message from the command line, since GTK isn't going
3073 * to take another crack at making sense of it.
3076 fputs(errbuf, stderr);
3082 me = midend_new(NULL, &thegame, NULL, NULL);
3085 if (savefile && !savesuffix)
3087 if (!savefile && savesuffix)
3091 doc = document_new(px, py, scale);
3094 * In this loop, we either generate a game ID or read one
3095 * from stdin depending on whether we're in generate mode;
3096 * then we either write it to stdout or print it, depending
3097 * on whether we're in print mode. Thus, this loop handles
3098 * generate-to-stdout, print-from-stdin and generate-and-
3099 * immediately-print modes.
3101 * (It could also handle a copy-stdin-to-stdout mode,
3102 * although there's currently no combination of options
3103 * which will cause this loop to be activated in that mode.
3104 * It wouldn't be _entirely_ pointless, though, because
3105 * stdin could contain bare params strings or random-seed
3106 * IDs, and stdout would contain nothing but fully
3107 * generated descriptive game IDs.)
3109 while (ngenerate == 0 || i < n) {
3110 char *pstr, *err, *seed;
3111 struct rusage before, after;
3113 if (ngenerate == 0) {
3114 pstr = fgetline(stdin);
3117 pstr[strcspn(pstr, "\r\n")] = '\0';
3120 pstr = snewn(strlen(arg) + 40, char);
3123 if (i > 0 && strchr(arg, '#'))
3124 sprintf(pstr + strlen(pstr), "-%d", i);
3130 err = midend_game_id(me, pstr);
3132 fprintf(stderr, "%s: error parsing '%s': %s\n",
3138 if (time_generation)
3139 getrusage(RUSAGE_SELF, &before);
3141 midend_new_game(me);
3143 seed = midend_get_random_seed(me);
3145 if (time_generation) {
3148 getrusage(RUSAGE_SELF, &after);
3150 elapsed = (after.ru_utime.tv_sec -
3151 before.ru_utime.tv_sec);
3152 elapsed += (after.ru_utime.tv_usec -
3153 before.ru_utime.tv_usec) / 1000000.0;
3155 printf("%s %s: %.6f\n", thegame.name, seed, elapsed);
3158 if (test_solve && thegame.can_solve) {
3160 * Now destroy the aux_info in the midend, by means of
3161 * re-entering the same game id, and then try to solve
3164 char *game_id, *err;
3166 game_id = midend_get_game_id(me);
3167 err = midend_game_id(me, game_id);
3169 fprintf(stderr, "%s %s: game id re-entry error: %s\n",
3170 thegame.name, seed, err);
3173 midend_new_game(me);
3176 err = midend_solve(me);
3178 * If the solve operation returned the error "Solution
3179 * not known for this puzzle", that's OK, because that
3180 * just means it's a puzzle for which we don't have an
3181 * algorithmic solver and hence can't solve it without
3182 * the aux_info, e.g. Netslide. Any other error is a
3185 if (err && strcmp(err, "Solution not known for this puzzle")) {
3186 fprintf(stderr, "%s %s: solve error: %s\n",
3187 thegame.name, seed, err);
3196 err = midend_print_puzzle(me, doc, soln);
3198 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
3203 struct savefile_write_ctx ctx;
3204 char *realname = snewn(40 + strlen(savefile) +
3205 strlen(savesuffix), char);
3206 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
3209 char *err = midend_solve(me);
3211 fprintf(stderr, "%s: unable to show solution: %s\n",
3217 ctx.fp = fopen(realname, "w");
3219 fprintf(stderr, "%s: open: %s\n", realname,
3224 midend_serialise(me, savefile_write, &ctx);
3226 fprintf(stderr, "%s: write: %s\n", realname,
3227 strerror(ctx.error));
3230 if (fclose(ctx.fp)) {
3231 fprintf(stderr, "%s: close: %s\n", realname,
3237 if (!doc && !savefile && !time_generation) {
3238 id = midend_get_game_id(me);
3247 psdata *ps = ps_init(stdout, colour);
3248 document_print(doc, ps_drawing_api(ps));
3256 } else if (list_presets) {
3258 * Another specialist mode which causes the puzzle to list the
3259 * game_params strings for all its preset configurations.
3262 struct preset_menu *menu;
3264 me = midend_new(NULL, &thegame, NULL, NULL);
3265 menu = midend_get_presets(me, NULL);
3266 list_presets_from_menu(menu);
3272 gtk_init(&argc, &argv);
3274 fe = new_window(arg, argtype, &error);
3277 fprintf(stderr, "%s: %s\n", pname, error);
3281 if (screenshot_file) {
3283 * Some puzzles will not redraw their entire area if
3284 * given a partially completed animation, which means
3285 * we must redraw now and _then_ redraw again after
3286 * freezing the move timer.
3288 midend_force_redraw(fe->me);
3291 if (redo_proportion) {
3293 midend_process_key(fe->me, 0, 0, 'r');
3294 /* And freeze the timer at the specified position. */
3295 midend_freeze_timer(fe->me, redo_proportion);
3298 if (screenshot_file) {
3299 save_screenshot_png(fe, screenshot_file);