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 /* #undef USE_CAIRO */
48 /* #define NO_THICK_LINE */
50 static FILE *debug_fp = NULL;
55 debug_fp = fopen("debug.log", "w");
66 void debug_printf(char *fmt, ...)
72 vsprintf(buf, fmt, ap);
78 /* ----------------------------------------------------------------------
79 * Error reporting functions used elsewhere.
82 void fatal(char *fmt, ...)
86 fprintf(stderr, "fatal error: ");
89 vfprintf(stderr, fmt, ap);
92 fprintf(stderr, "\n");
96 /* ----------------------------------------------------------------------
97 * GTK front end to puzzles.
100 static void changed_preset(frontend *fe);
104 PangoFontDescription *desc;
113 * This structure holds all the data relevant to a single window.
114 * In principle this would allow us to open multiple independent
115 * puzzle windows, although I can't currently see any real point in
116 * doing so. I'm just coding cleanly because there's no
117 * particularly good reason not to.
121 GtkAccelGroup *accelgroup;
123 GtkWidget *statusbar;
129 const float *colours;
131 cairo_surface_t *image;
132 #ifndef USE_CAIRO_WITHOUT_PIXMAP
135 GdkColor background; /* for painting outside puzzle area */
141 int backgroundindex; /* which of colours[] is background */
144 int bbox_l, bbox_r, bbox_u, bbox_d;
145 int timer_active, timer_id;
146 struct timeval last_time;
148 int nfonts, fontsize;
150 int cfg_which, cfgret;
154 int pw, ph; /* pixmap size (w, h are area size) */
155 int ox, oy; /* offset of pixmap in drawing area */
159 GSList *preset_radio;
160 int n_preset_menu_items;
162 GtkWidget *preset_custom;
163 GtkWidget *copy_menu_item;
164 #if !GTK_CHECK_VERSION(3,0,0)
165 int drawing_area_shrink_pending;
166 int menubar_is_local;
172 cairo_surface_t *image;
179 void get_random_seed(void **randseed, int *randseedsize)
181 struct timeval *tvp = snew(struct timeval);
182 gettimeofday(tvp, NULL);
183 *randseed = (void *)tvp;
184 *randseedsize = sizeof(struct timeval);
187 void frontend_default_colour(frontend *fe, float *output)
189 #if !GTK_CHECK_VERSION(3,0,0)
191 * Use the widget style's default background colour as the
192 * background for the puzzle drawing area.
194 GdkColor col = gtk_widget_get_style(fe->window)->bg[GTK_STATE_NORMAL];
195 output[0] = col.red / 65535.0;
196 output[1] = col.green / 65535.0;
197 output[2] = col.blue / 65535.0;
200 * GTK 3 has decided that there's no such thing as a 'default
201 * background colour' any more, because widget styles might set
202 * the background to something more complicated like a background
203 * image. We don't want to get into overlaying our entire puzzle
204 * on an arbitrary background image, so we'll just make up a
205 * reasonable shade of grey.
207 output[0] = output[1] = output[2] = 0.9F;
211 void gtk_status_bar(void *handle, char *text)
213 frontend *fe = (frontend *)handle;
215 assert(fe->statusbar);
217 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
218 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
221 /* ----------------------------------------------------------------------
222 * Cairo drawing functions.
227 static void setup_drawing(frontend *fe)
229 fe->cr = cairo_create(fe->image);
230 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_GRAY);
231 cairo_set_line_width(fe->cr, 1.0);
232 cairo_set_line_cap(fe->cr, CAIRO_LINE_CAP_SQUARE);
233 cairo_set_line_join(fe->cr, CAIRO_LINE_JOIN_ROUND);
236 static void teardown_drawing(frontend *fe)
238 cairo_destroy(fe->cr);
241 #ifndef USE_CAIRO_WITHOUT_PIXMAP
243 cairo_t *cr = gdk_cairo_create(fe->pixmap);
244 cairo_set_source_surface(cr, fe->image, 0, 0);
248 fe->bbox_r - fe->bbox_l + 2,
249 fe->bbox_d - fe->bbox_u + 2);
256 static void snaffle_colours(frontend *fe)
258 fe->colours = midend_colours(fe->me, &fe->ncolours);
261 static void set_colour(frontend *fe, int colour)
263 cairo_set_source_rgb(fe->cr,
264 fe->colours[3*colour + 0],
265 fe->colours[3*colour + 1],
266 fe->colours[3*colour + 2]);
269 static void set_window_background(frontend *fe, int colour)
273 colmap = gdk_colormap_get_system();
274 fe->background.red = fe->colours[3*colour + 0] * 65535;
275 fe->background.green = fe->colours[3*colour + 1] * 65535;
276 fe->background.blue = fe->colours[3*colour + 2] * 65535;
277 if (!gdk_colormap_alloc_color(colmap, &fe->background, FALSE, FALSE)) {
278 g_error("couldn't allocate background (#%02x%02x%02x)\n",
279 fe->background.red >> 8, fe->background.green >> 8,
280 fe->background.blue >> 8);
282 gdk_window_set_background(gtk_widget_get_window(fe->area),
284 gdk_window_set_background(gtk_widget_get_window(fe->window),
288 static PangoLayout *make_pango_layout(frontend *fe)
290 return (pango_cairo_create_layout(fe->cr));
293 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
296 cairo_move_to(fe->cr, x, y);
297 pango_cairo_show_layout(fe->cr, layout);
300 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
302 cairo_surface_write_to_png(fe->image, screenshot_file);
305 static void do_clip(frontend *fe, int x, int y, int w, int h)
307 cairo_new_path(fe->cr);
308 cairo_rectangle(fe->cr, x, y, w, h);
312 static void do_unclip(frontend *fe)
314 cairo_reset_clip(fe->cr);
317 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
320 cairo_new_path(fe->cr);
321 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_NONE);
322 cairo_rectangle(fe->cr, x, y, w, h);
324 cairo_restore(fe->cr);
327 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
329 cairo_new_path(fe->cr);
330 cairo_move_to(fe->cr, x1 + 0.5, y1 + 0.5);
331 cairo_line_to(fe->cr, x2 + 0.5, y2 + 0.5);
332 cairo_stroke(fe->cr);
335 static void do_draw_thick_line(frontend *fe, float thickness,
336 float x1, float y1, float x2, float y2)
339 cairo_set_line_width(fe->cr, thickness);
340 cairo_new_path(fe->cr);
341 cairo_move_to(fe->cr, x1, y1);
342 cairo_line_to(fe->cr, x2, y2);
343 cairo_stroke(fe->cr);
344 cairo_restore(fe->cr);
347 static void do_draw_poly(frontend *fe, int *coords, int npoints,
348 int fillcolour, int outlinecolour)
352 cairo_new_path(fe->cr);
353 for (i = 0; i < npoints; i++)
354 cairo_line_to(fe->cr, coords[i*2] + 0.5, coords[i*2 + 1] + 0.5);
355 cairo_close_path(fe->cr);
356 if (fillcolour >= 0) {
357 set_colour(fe, fillcolour);
358 cairo_fill_preserve(fe->cr);
360 assert(outlinecolour >= 0);
361 set_colour(fe, outlinecolour);
362 cairo_stroke(fe->cr);
365 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
366 int fillcolour, int outlinecolour)
368 cairo_new_path(fe->cr);
369 cairo_arc(fe->cr, cx + 0.5, cy + 0.5, radius, 0, 2*PI);
370 cairo_close_path(fe->cr); /* Just in case... */
371 if (fillcolour >= 0) {
372 set_colour(fe, fillcolour);
373 cairo_fill_preserve(fe->cr);
375 assert(outlinecolour >= 0);
376 set_colour(fe, outlinecolour);
377 cairo_stroke(fe->cr);
380 static void setup_blitter(blitter *bl, int w, int h)
382 bl->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24, w, h);
385 static void teardown_blitter(blitter *bl)
387 cairo_surface_destroy(bl->image);
390 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
392 cairo_t *cr = cairo_create(bl->image);
394 cairo_set_source_surface(cr, fe->image, -x, -y);
399 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
401 cairo_set_source_surface(fe->cr, bl->image, x, y);
405 static void clear_backing_store(frontend *fe)
410 static void wipe_and_destroy_cairo(frontend *fe, cairo_t *cr)
412 cairo_set_source_rgb(cr, fe->colours[0], fe->colours[1], fe->colours[2]);
417 static void setup_backing_store(frontend *fe)
419 #ifndef USE_CAIRO_WITHOUT_PIXMAP
420 fe->pixmap = gdk_pixmap_new(gtk_widget_get_window(fe->area),
423 fe->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
426 wipe_and_destroy_cairo(fe, cairo_create(fe->image));
427 #ifndef USE_CAIRO_WITHOUT_PIXMAP
428 wipe_and_destroy_cairo(fe, gdk_cairo_create(fe->pixmap));
430 wipe_and_destroy_cairo(fe, gdk_cairo_create
431 (gtk_widget_get_window(fe->area)));
434 static int backing_store_ok(frontend *fe)
436 return (!!fe->image);
439 static void teardown_backing_store(frontend *fe)
441 cairo_surface_destroy(fe->image);
442 #ifndef USE_CAIRO_WITHOUT_PIXMAP
443 gdk_pixmap_unref(fe->pixmap);
450 /* ----------------------------------------------------------------------
451 * GDK drawing functions.
456 static void setup_drawing(frontend *fe)
458 fe->gc = gdk_gc_new(fe->area->window);
461 static void teardown_drawing(frontend *fe)
463 gdk_gc_unref(fe->gc);
467 static void snaffle_colours(frontend *fe)
473 fe->colmap = gdk_colormap_get_system();
474 colours = midend_colours(fe->me, &ncolours);
475 fe->ncolours = ncolours;
476 fe->colours = snewn(ncolours, GdkColor);
477 for (i = 0; i < ncolours; i++) {
478 fe->colours[i].red = colours[i*3] * 0xFFFF;
479 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
480 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
482 success = snewn(ncolours, gboolean);
483 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
484 FALSE, FALSE, success);
485 for (i = 0; i < ncolours; i++) {
487 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
488 i, fe->colours[i].red >> 8,
489 fe->colours[i].green >> 8,
490 fe->colours[i].blue >> 8);
495 static void set_window_background(frontend *fe, int colour)
497 fe->backgroundindex = colour;
498 gdk_window_set_background(fe->area->window, &fe->colours[colour]);
499 gdk_window_set_background(fe->window->window, &fe->colours[colour]);
502 static void set_colour(frontend *fe, int colour)
504 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
508 static PangoLayout *make_pango_layout(frontend *fe)
510 return (pango_layout_new(gtk_widget_get_pango_context(fe->area)));
513 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
516 gdk_draw_layout(fe->pixmap, fe->gc, x, y, layout);
520 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
523 GError *gerror = NULL;
525 midend_redraw(fe->me);
527 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
528 NULL, 0, 0, 0, 0, -1, -1);
529 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);
532 static void do_clip(frontend *fe, int x, int y, int w, int h)
540 gdk_gc_set_clip_rectangle(fe->gc, &rect);
543 static void do_unclip(frontend *fe)
551 gdk_gc_set_clip_rectangle(fe->gc, &rect);
554 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
556 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
559 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
561 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
564 static void do_draw_thick_line(frontend *fe, float thickness,
565 float x1, float y1, float x2, float y2)
569 gdk_gc_get_values(fe->gc, &save);
570 gdk_gc_set_line_attributes(fe->gc,
575 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
576 gdk_gc_set_line_attributes(fe->gc,
583 static void do_draw_poly(frontend *fe, int *coords, int npoints,
584 int fillcolour, int outlinecolour)
586 GdkPoint *points = snewn(npoints, GdkPoint);
589 for (i = 0; i < npoints; i++) {
590 points[i].x = coords[i*2];
591 points[i].y = coords[i*2+1];
594 if (fillcolour >= 0) {
595 set_colour(fe, fillcolour);
596 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
598 assert(outlinecolour >= 0);
599 set_colour(fe, outlinecolour);
602 * In principle we ought to be able to use gdk_draw_polygon for
603 * the outline as well. In fact, it turns out to interact badly
604 * with a clipping region, for no terribly obvious reason, so I
605 * draw the outline as a sequence of lines instead.
607 for (i = 0; i < npoints; i++)
608 gdk_draw_line(fe->pixmap, fe->gc,
609 points[i].x, points[i].y,
610 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
615 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
616 int fillcolour, int outlinecolour)
618 if (fillcolour >= 0) {
619 set_colour(fe, fillcolour);
620 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
621 cx - radius, cy - radius,
622 2 * radius, 2 * radius, 0, 360 * 64);
625 assert(outlinecolour >= 0);
626 set_colour(fe, outlinecolour);
627 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
628 cx - radius, cy - radius,
629 2 * radius, 2 * radius, 0, 360 * 64);
632 static void setup_blitter(blitter *bl, int w, int h)
635 * We can't create the pixmap right now, because fe->window
636 * might not yet exist. So we just cache w and h and create it
637 * during the firs call to blitter_save.
642 static void teardown_blitter(blitter *bl)
645 gdk_pixmap_unref(bl->pixmap);
648 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
651 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
652 gdk_draw_pixmap(bl->pixmap,
653 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
655 x, y, 0, 0, bl->w, bl->h);
658 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
661 gdk_draw_pixmap(fe->pixmap,
662 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
664 0, 0, x, y, bl->w, bl->h);
667 static void clear_backing_store(frontend *fe)
672 static void setup_backing_store(frontend *fe)
676 fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1);
678 gc = gdk_gc_new(fe->area->window);
679 gdk_gc_set_foreground(gc, &fe->colours[0]);
680 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
681 gdk_draw_rectangle(fe->area->window, gc, 1, 0, 0, fe->w, fe->h);
685 static int backing_store_ok(frontend *fe)
687 return (!!fe->pixmap);
690 static void teardown_backing_store(frontend *fe)
692 gdk_pixmap_unref(fe->pixmap);
698 #ifndef USE_CAIRO_WITHOUT_PIXMAP
699 static void repaint_rectangle(frontend *fe, GtkWidget *widget,
700 int x, int y, int w, int h)
702 GdkGC *gc = gdk_gc_new(gtk_widget_get_window(widget));
704 gdk_gc_set_foreground(gc, &fe->background);
706 gdk_gc_set_foreground(gc, &fe->colours[fe->backgroundindex]);
709 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
710 TRUE, x, y, fe->ox - x, h);
715 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
716 TRUE, x, y, w, fe->oy - y);
721 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
722 TRUE, x + fe->pw, y, w - fe->pw, h);
726 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
727 TRUE, x, y + fe->ph, w, h - fe->ph);
730 gdk_draw_pixmap(gtk_widget_get_window(widget), gc, fe->pixmap,
731 x - fe->ox, y - fe->oy, x, y, w, h);
736 /* ----------------------------------------------------------------------
737 * Pango font functions.
742 static void add_font(frontend *fe, int index, int fonttype, int fontsize)
745 * Use Pango to find the closest match to the requested
748 PangoFontDescription *fd;
750 fd = pango_font_description_new();
751 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
752 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
753 "Monospace" : "Sans");
754 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
756 * I found some online Pango documentation which
757 * described a function called
758 * pango_font_description_set_absolute_size(), which is
759 * _exactly_ what I want here. Unfortunately, none of
760 * my local Pango installations have it (presumably
761 * they're too old), so I'm going to have to hack round
762 * it by figuring out the point size myself. This
763 * limits me to X and probably also breaks in later
764 * Pango installations, so ideally I should add another
765 * CHECK_VERSION type ifdef and use set_absolute_size
766 * where available. All very annoying.
768 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
769 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
772 Display *d = GDK_DISPLAY();
773 int s = DefaultScreen(d);
775 (PANGO_SCALE * 72.27 / 25.4) *
776 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
777 pango_font_description_set_size(fd, resolution * fontsize);
780 fe->fonts[index].desc = fd;
783 static void align_and_draw_text(frontend *fe,
784 int index, int align, int x, int y,
790 layout = make_pango_layout(fe);
795 pango_layout_set_font_description(layout, fe->fonts[index].desc);
796 pango_layout_set_text(layout, text, strlen(text));
797 pango_layout_get_pixel_extents(layout, NULL, &rect);
799 if (align & ALIGN_VCENTRE)
800 rect.y -= rect.height / 2;
802 rect.y -= rect.height;
804 if (align & ALIGN_HCENTRE)
805 rect.x -= rect.width / 2;
806 else if (align & ALIGN_HRIGHT)
807 rect.x -= rect.width;
809 draw_pango_layout(fe, layout, rect.x + x, rect.y + y);
811 g_object_unref(layout);
816 /* ----------------------------------------------------------------------
817 * Old-fashioned font functions.
822 static void add_font(int index, int fonttype, int fontsize)
825 * In GTK 1.2, I don't know of any plausible way to
826 * pick a suitable font, so I'm just going to be
829 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
830 "fixed" : "variable");
833 static void align_and_draw_text(int index, int align, int x, int y,
836 int lb, rb, wid, asc, desc;
839 * Measure vertical string extents with respect to the same
842 gdk_string_extents(fe->fonts[i].font,
843 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
844 &lb, &rb, &wid, &asc, &desc);
845 if (align & ALIGN_VCENTRE)
846 y += asc - (asc+desc)/2;
851 * ... but horizontal extents with respect to the provided
852 * string. This means that multiple pieces of text centred
853 * on the same y-coordinate don't have different baselines.
855 gdk_string_extents(fe->fonts[i].font, text,
856 &lb, &rb, &wid, &asc, &desc);
858 if (align & ALIGN_HCENTRE)
860 else if (align & ALIGN_HRIGHT)
864 * Actually draw the text.
866 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
871 /* ----------------------------------------------------------------------
872 * The exported drawing functions.
875 void gtk_start_draw(void *handle)
877 frontend *fe = (frontend *)handle;
885 void gtk_clip(void *handle, int x, int y, int w, int h)
887 frontend *fe = (frontend *)handle;
888 do_clip(fe, x, y, w, h);
891 void gtk_unclip(void *handle)
893 frontend *fe = (frontend *)handle;
897 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
898 int align, int colour, char *text)
900 frontend *fe = (frontend *)handle;
904 * Find or create the font.
906 for (i = 0; i < fe->nfonts; i++)
907 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
910 if (i == fe->nfonts) {
911 if (fe->fontsize <= fe->nfonts) {
912 fe->fontsize = fe->nfonts + 10;
913 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
918 fe->fonts[i].type = fonttype;
919 fe->fonts[i].size = fontsize;
920 add_font(fe, i, fonttype, fontsize);
926 set_colour(fe, colour);
927 align_and_draw_text(fe, i, align, x, y, text);
930 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
932 frontend *fe = (frontend *)handle;
933 set_colour(fe, colour);
934 do_draw_rect(fe, x, y, w, h);
937 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
939 frontend *fe = (frontend *)handle;
940 set_colour(fe, colour);
941 do_draw_line(fe, x1, y1, x2, y2);
944 void gtk_draw_thick_line(void *handle, float thickness,
945 float x1, float y1, float x2, float y2, int colour)
947 frontend *fe = (frontend *)handle;
948 set_colour(fe, colour);
949 do_draw_thick_line(fe, thickness, x1, y1, x2, y2);
952 void gtk_draw_poly(void *handle, int *coords, int npoints,
953 int fillcolour, int outlinecolour)
955 frontend *fe = (frontend *)handle;
956 do_draw_poly(fe, coords, npoints, fillcolour, outlinecolour);
959 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
960 int fillcolour, int outlinecolour)
962 frontend *fe = (frontend *)handle;
963 do_draw_circle(fe, cx, cy, radius, fillcolour, outlinecolour);
966 blitter *gtk_blitter_new(void *handle, int w, int h)
968 blitter *bl = snew(blitter);
969 setup_blitter(bl, w, h);
975 void gtk_blitter_free(void *handle, blitter *bl)
977 teardown_blitter(bl);
981 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
983 frontend *fe = (frontend *)handle;
984 do_blitter_save(fe, bl, x, y);
989 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
991 frontend *fe = (frontend *)handle;
992 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
996 do_blitter_load(fe, bl, x, y);
999 void gtk_draw_update(void *handle, int x, int y, int w, int h)
1001 frontend *fe = (frontend *)handle;
1002 if (fe->bbox_l > x ) fe->bbox_l = x ;
1003 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
1004 if (fe->bbox_u > y ) fe->bbox_u = y ;
1005 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
1008 void gtk_end_draw(void *handle)
1010 frontend *fe = (frontend *)handle;
1012 teardown_drawing(fe);
1014 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
1015 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1016 gtk_widget_queue_draw_area(fe->area,
1017 fe->bbox_l - 1 + fe->ox,
1018 fe->bbox_u - 1 + fe->oy,
1019 fe->bbox_r - fe->bbox_l + 2,
1020 fe->bbox_d - fe->bbox_u + 2);
1022 repaint_rectangle(fe, fe->area,
1023 fe->bbox_l - 1 + fe->ox,
1024 fe->bbox_u - 1 + fe->oy,
1025 fe->bbox_r - fe->bbox_l + 2,
1026 fe->bbox_d - fe->bbox_u + 2);
1032 char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings)
1035 * We assume Pango can cope with any UTF-8 likely to be emitted
1038 return dupstr(strings[0]);
1042 const struct drawing_api gtk_drawing = {
1058 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
1059 NULL, NULL, /* line_width, line_dotted */
1065 #ifdef NO_THICK_LINE
1068 gtk_draw_thick_line,
1072 static void destroy(GtkWidget *widget, gpointer data)
1074 frontend *fe = (frontend *)data;
1075 deactivate_timer(fe);
1076 midend_free(fe->me);
1080 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
1082 frontend *fe = (frontend *)data;
1084 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
1085 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
1087 if (!backing_store_ok(fe))
1090 #if !GTK_CHECK_VERSION(2,0,0)
1091 /* Gtk 1.2 passes a key event to this function even if it's also
1092 * defined as an accelerator.
1093 * Gtk 2 doesn't do this, and this function appears not to exist there. */
1094 if (fe->accelgroup &&
1095 gtk_accel_group_get_entry(fe->accelgroup,
1096 event->keyval, event->state))
1100 /* Handle mnemonics. */
1101 if (gtk_window_activate_key(GTK_WINDOW(fe->window), event))
1104 if (event->keyval == GDK_KEY_Up)
1105 keyval = shift | ctrl | CURSOR_UP;
1106 else if (event->keyval == GDK_KEY_KP_Up ||
1107 event->keyval == GDK_KEY_KP_8)
1108 keyval = MOD_NUM_KEYPAD | '8';
1109 else if (event->keyval == GDK_KEY_Down)
1110 keyval = shift | ctrl | CURSOR_DOWN;
1111 else if (event->keyval == GDK_KEY_KP_Down ||
1112 event->keyval == GDK_KEY_KP_2)
1113 keyval = MOD_NUM_KEYPAD | '2';
1114 else if (event->keyval == GDK_KEY_Left)
1115 keyval = shift | ctrl | CURSOR_LEFT;
1116 else if (event->keyval == GDK_KEY_KP_Left ||
1117 event->keyval == GDK_KEY_KP_4)
1118 keyval = MOD_NUM_KEYPAD | '4';
1119 else if (event->keyval == GDK_KEY_Right)
1120 keyval = shift | ctrl | CURSOR_RIGHT;
1121 else if (event->keyval == GDK_KEY_KP_Right ||
1122 event->keyval == GDK_KEY_KP_6)
1123 keyval = MOD_NUM_KEYPAD | '6';
1124 else if (event->keyval == GDK_KEY_KP_Home ||
1125 event->keyval == GDK_KEY_KP_7)
1126 keyval = MOD_NUM_KEYPAD | '7';
1127 else if (event->keyval == GDK_KEY_KP_End ||
1128 event->keyval == GDK_KEY_KP_1)
1129 keyval = MOD_NUM_KEYPAD | '1';
1130 else if (event->keyval == GDK_KEY_KP_Page_Up ||
1131 event->keyval == GDK_KEY_KP_9)
1132 keyval = MOD_NUM_KEYPAD | '9';
1133 else if (event->keyval == GDK_KEY_KP_Page_Down ||
1134 event->keyval == GDK_KEY_KP_3)
1135 keyval = MOD_NUM_KEYPAD | '3';
1136 else if (event->keyval == GDK_KEY_KP_Insert ||
1137 event->keyval == GDK_KEY_KP_0)
1138 keyval = MOD_NUM_KEYPAD | '0';
1139 else if (event->keyval == GDK_KEY_KP_Begin ||
1140 event->keyval == GDK_KEY_KP_5)
1141 keyval = MOD_NUM_KEYPAD | '5';
1142 else if (event->keyval == GDK_KEY_BackSpace ||
1143 event->keyval == GDK_KEY_Delete ||
1144 event->keyval == GDK_KEY_KP_Delete)
1146 else if (event->string[0] && !event->string[1])
1147 keyval = (unsigned char)event->string[0];
1152 !midend_process_key(fe->me, 0, 0, keyval))
1153 gtk_widget_destroy(fe->window);
1158 static gint button_event(GtkWidget *widget, GdkEventButton *event,
1161 frontend *fe = (frontend *)data;
1164 if (!backing_store_ok(fe))
1167 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
1170 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
1171 button = MIDDLE_BUTTON;
1172 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
1173 button = RIGHT_BUTTON;
1174 else if (event->button == 1)
1175 button = LEFT_BUTTON;
1177 return FALSE; /* don't even know what button! */
1179 if (event->type == GDK_BUTTON_RELEASE)
1180 button += LEFT_RELEASE - LEFT_BUTTON;
1182 if (!midend_process_key(fe->me, event->x - fe->ox,
1183 event->y - fe->oy, button))
1184 gtk_widget_destroy(fe->window);
1189 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
1192 frontend *fe = (frontend *)data;
1195 if (!backing_store_ok(fe))
1198 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
1199 button = MIDDLE_DRAG;
1200 else if (event->state & GDK_BUTTON1_MASK)
1202 else if (event->state & GDK_BUTTON3_MASK)
1203 button = RIGHT_DRAG;
1205 return FALSE; /* don't even know what button! */
1207 if (!midend_process_key(fe->me, event->x - fe->ox,
1208 event->y - fe->oy, button))
1209 gtk_widget_destroy(fe->window);
1210 #if GTK_CHECK_VERSION(2,12,0)
1211 gdk_event_request_motions(event);
1213 gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
1219 #if GTK_CHECK_VERSION(3,0,0)
1220 static gint draw_area(GtkWidget *widget, cairo_t *cr, gpointer data)
1222 frontend *fe = (frontend *)data;
1223 GdkRectangle dirtyrect;
1225 gdk_cairo_get_clip_rectangle(cr, &dirtyrect);
1226 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1227 cairo_rectangle(cr, dirtyrect.x, dirtyrect.y,
1228 dirtyrect.width, dirtyrect.height);
1234 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
1237 frontend *fe = (frontend *)data;
1239 if (backing_store_ok(fe)) {
1240 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1241 cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
1242 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1243 cairo_rectangle(cr, event->area.x, event->area.y,
1244 event->area.width, event->area.height);
1248 repaint_rectangle(fe, widget,
1249 event->area.x, event->area.y,
1250 event->area.width, event->area.height);
1257 static gint map_window(GtkWidget *widget, GdkEvent *event,
1260 frontend *fe = (frontend *)data;
1263 * Apparently we need to do this because otherwise the status
1264 * bar will fail to update immediately. Annoying, but there we
1267 gtk_widget_queue_draw(fe->window);
1272 static gint configure_area(GtkWidget *widget,
1273 GdkEventConfigure *event, gpointer data)
1275 frontend *fe = (frontend *)data;
1281 if (x != fe->w || y != fe->h || !backing_store_ok(fe)) {
1282 if (backing_store_ok(fe))
1283 teardown_backing_store(fe);
1287 midend_size(fe->me, &x, &y, TRUE);
1290 fe->ox = (fe->w - fe->pw) / 2;
1291 fe->oy = (fe->h - fe->ph) / 2;
1293 setup_backing_store(fe);
1296 midend_force_redraw(fe->me);
1301 static gint timer_func(gpointer data)
1303 frontend *fe = (frontend *)data;
1305 if (fe->timer_active) {
1308 gettimeofday(&now, NULL);
1309 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
1310 (now.tv_sec - fe->last_time.tv_sec));
1311 midend_timer(fe->me, elapsed); /* may clear timer_active */
1312 fe->last_time = now;
1315 return fe->timer_active;
1318 void deactivate_timer(frontend *fe)
1321 return; /* can happen due to --generate */
1322 if (fe->timer_active)
1323 g_source_remove(fe->timer_id);
1324 fe->timer_active = FALSE;
1327 void activate_timer(frontend *fe)
1330 return; /* can happen due to --generate */
1331 if (!fe->timer_active) {
1332 fe->timer_id = g_timeout_add(20, timer_func, fe);
1333 gettimeofday(&fe->last_time, NULL);
1335 fe->timer_active = TRUE;
1338 static void window_destroy(GtkWidget *widget, gpointer data)
1343 static void msgbox_button_clicked(GtkButton *button, gpointer data)
1345 GtkWidget *window = GTK_WIDGET(data);
1348 ip = (int *)g_object_get_data(G_OBJECT(window), "user-data");
1349 v = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "user-data"));
1352 gtk_widget_destroy(GTK_WIDGET(data));
1355 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1357 GObject *cancelbutton = G_OBJECT(data);
1360 * `Escape' effectively clicks the cancel button
1362 if (event->keyval == GDK_KEY_Escape) {
1363 g_signal_emit_by_name(cancelbutton, "clicked");
1370 enum { MB_OK, MB_YESNO };
1372 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1375 GtkWidget *window, *hbox, *text, *button;
1379 window = gtk_dialog_new();
1380 text = gtk_label_new(msg);
1381 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
1382 hbox = gtk_hbox_new(FALSE, 0);
1383 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
1385 (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(window))),
1386 hbox, FALSE, FALSE, 20);
1387 gtk_widget_show(text);
1388 gtk_widget_show(hbox);
1389 gtk_window_set_title(GTK_WINDOW(window), title);
1390 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
1392 if (type == MB_OK) {
1393 titles = GTK_STOCK_OK "\0";
1396 assert(type == MB_YESNO);
1397 titles = GTK_STOCK_NO "\0" GTK_STOCK_YES "\0";
1404 button = gtk_button_new_from_stock(titles);
1406 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(window))),
1407 button, FALSE, FALSE, 0);
1408 gtk_widget_show(button);
1410 gtk_widget_set_can_default(button, TRUE);
1411 gtk_window_set_default(GTK_WINDOW(window), button);
1414 g_signal_connect(G_OBJECT(window), "key_press_event",
1415 G_CALLBACK(win_key_press), button);
1417 g_signal_connect(G_OBJECT(button), "clicked",
1418 G_CALLBACK(msgbox_button_clicked), window);
1419 g_object_set_data(G_OBJECT(button), "user-data",
1420 GINT_TO_POINTER(i));
1421 titles += strlen(titles)+1;
1424 g_object_set_data(G_OBJECT(window), "user-data", &i);
1425 g_signal_connect(G_OBJECT(window), "destroy",
1426 G_CALLBACK(window_destroy), NULL);
1427 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
1428 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
1429 /* set_transient_window_pos(parent, window); */
1430 gtk_widget_show(window);
1433 return (type == MB_YESNO ? i == 1 : TRUE);
1436 void error_box(GtkWidget *parent, char *msg)
1438 message_box(parent, "Error", msg, FALSE, MB_OK);
1441 static void config_ok_button_clicked(GtkButton *button, gpointer data)
1443 frontend *fe = (frontend *)data;
1446 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
1449 error_box(fe->cfgbox, err);
1452 gtk_widget_destroy(fe->cfgbox);
1457 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
1459 frontend *fe = (frontend *)data;
1461 gtk_widget_destroy(fe->cfgbox);
1464 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
1467 * GtkEntry has a nasty habit of eating the Return key, which
1468 * is unhelpful since it doesn't actually _do_ anything with it
1469 * (it calls gtk_widget_activate, but our edit boxes never need
1470 * activating). So I catch Return before GtkEntry sees it, and
1471 * pass it straight on to the parent widget. Effect: hitting
1472 * Return in an edit box will now activate the default button
1473 * in the dialog just like it will everywhere else.
1475 if (event->keyval == GDK_KEY_Return &&
1476 gtk_widget_get_parent(widget) != NULL) {
1478 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
1479 g_signal_emit_by_name(G_OBJECT(gtk_widget_get_parent(widget)),
1480 "key_press_event", event, &return_val);
1486 static void editbox_changed(GtkEditable *ed, gpointer data)
1488 config_item *i = (config_item *)data;
1491 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
1494 static void button_toggled(GtkToggleButton *tb, gpointer data)
1496 config_item *i = (config_item *)data;
1498 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
1501 static void droplist_sel(GtkComboBox *combo, gpointer data)
1503 config_item *i = (config_item *)data;
1505 i->ival = gtk_combo_box_get_active(combo);
1508 static int get_config(frontend *fe, int which)
1510 GtkWidget *w, *table, *cancel;
1515 fe->cfg = midend_get_config(fe->me, which, &title);
1516 fe->cfg_which = which;
1519 fe->cfgbox = gtk_dialog_new();
1520 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
1523 w = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
1525 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox))),
1526 w, FALSE, FALSE, 0);
1528 g_signal_connect(G_OBJECT(w), "clicked",
1529 G_CALLBACK(config_cancel_button_clicked), fe);
1532 w = gtk_button_new_from_stock(GTK_STOCK_OK);
1534 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox))),
1535 w, FALSE, FALSE, 0);
1537 gtk_widget_set_can_default(w, TRUE);
1538 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
1539 g_signal_connect(G_OBJECT(w), "clicked",
1540 G_CALLBACK(config_ok_button_clicked), fe);
1542 #if GTK_CHECK_VERSION(3,0,0)
1543 table = gtk_grid_new();
1545 table = gtk_table_new(1, 2, FALSE);
1549 (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(fe->cfgbox))),
1550 table, FALSE, FALSE, 0);
1551 gtk_widget_show(table);
1553 for (i = fe->cfg; i->type != C_END; i++) {
1554 #if !GTK_CHECK_VERSION(3,0,0)
1555 gtk_table_resize(GTK_TABLE(table), y+1, 2);
1561 * Edit box with a label beside it.
1564 w = gtk_label_new(i->name);
1565 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
1566 #if GTK_CHECK_VERSION(3,0,0)
1567 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1569 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1570 GTK_SHRINK | GTK_FILL,
1571 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1576 w = gtk_entry_new();
1577 #if GTK_CHECK_VERSION(3,0,0)
1578 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1579 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1581 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1582 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1583 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1586 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
1587 g_signal_connect(G_OBJECT(w), "changed",
1588 G_CALLBACK(editbox_changed), i);
1589 g_signal_connect(G_OBJECT(w), "key_press_event",
1590 G_CALLBACK(editbox_key), NULL);
1599 w = gtk_check_button_new_with_label(i->name);
1600 g_signal_connect(G_OBJECT(w), "toggled",
1601 G_CALLBACK(button_toggled), i);
1602 #if GTK_CHECK_VERSION(3,0,0)
1603 gtk_grid_attach(GTK_GRID(table), w, 0, y, 2, 1);
1604 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1606 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
1607 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1608 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1611 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
1617 * Drop-down list (GtkComboBox).
1620 w = gtk_label_new(i->name);
1621 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
1622 #if GTK_CHECK_VERSION(3,0,0)
1623 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1625 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1626 GTK_SHRINK | GTK_FILL,
1627 GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
1635 GtkListStore *model;
1636 GtkCellRenderer *cr;
1639 model = gtk_list_store_new(1, G_TYPE_STRING);
1646 while (*q && *q != c)
1649 name = snewn(q-p+1, char);
1650 strncpy(name, p, q-p);
1653 if (*q) q++; /* eat delimiter */
1655 gtk_list_store_append(model, &iter);
1656 gtk_list_store_set(model, &iter, 0, name, -1);
1661 w = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
1663 gtk_combo_box_set_active(GTK_COMBO_BOX(w), i->ival);
1665 cr = gtk_cell_renderer_text_new();
1666 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(w), cr, TRUE);
1667 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(w), cr,
1670 g_signal_connect(G_OBJECT(w), "changed",
1671 G_CALLBACK(droplist_sel), i);
1674 #if GTK_CHECK_VERSION(3,0,0)
1675 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1676 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1678 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1679 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1680 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1690 g_signal_connect(G_OBJECT(fe->cfgbox), "destroy",
1691 G_CALLBACK(window_destroy), NULL);
1692 g_signal_connect(G_OBJECT(fe->cfgbox), "key_press_event",
1693 G_CALLBACK(win_key_press), cancel);
1694 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1695 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1696 GTK_WINDOW(fe->window));
1697 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1698 gtk_widget_show(fe->cfgbox);
1706 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1708 frontend *fe = (frontend *)data;
1709 int key = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
1711 if (!midend_process_key(fe->me, 0, 0, key))
1712 gtk_widget_destroy(fe->window);
1715 static void get_size(frontend *fe, int *px, int *py)
1720 * Currently I don't want to make the GTK port scale large
1721 * puzzles to fit on the screen. This is because X does permit
1722 * extremely large windows and many window managers provide a
1723 * means of navigating round them, and the users I consulted
1724 * before deciding said that they'd rather have enormous puzzle
1725 * windows spanning multiple screen pages than have them
1726 * shrunk. I could change my mind later or introduce
1727 * configurability; this would be the place to do so, by
1728 * replacing the initial values of x and y with the screen
1733 midend_size(fe->me, &x, &y, FALSE);
1738 #if !GTK_CHECK_VERSION(2,0,0)
1739 #define gtk_window_resize(win, x, y) \
1740 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1744 * Called when any other code in this file has changed the
1745 * selected game parameters.
1747 static void changed_preset(frontend *fe)
1749 int n = midend_which_preset(fe->me);
1751 fe->preset_threaded = TRUE;
1752 if (n < 0 && fe->preset_custom) {
1753 gtk_check_menu_item_set_active(
1754 GTK_CHECK_MENU_ITEM(fe->preset_custom),
1757 GSList *gs = fe->preset_radio;
1758 int i = fe->n_preset_menu_items - 1 - n;
1759 if (fe->preset_custom)
1766 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1768 } else for (gs = fe->preset_radio; gs; gs = gs->next) {
1769 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1773 fe->preset_threaded = FALSE;
1776 * Update the greying on the Copy menu option.
1778 if (fe->copy_menu_item) {
1779 int enabled = midend_can_format_as_text_now(fe->me);
1780 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1784 #if !GTK_CHECK_VERSION(3,0,0)
1785 static gboolean not_size_allocated_yet(GtkWidget *w)
1788 * This function tests whether a widget has not yet taken up space
1789 * on the screen which it will occupy in future. (Therefore, it
1790 * returns true only if the widget does exist but does not have a
1791 * size allocation. A null widget is already taking up all the
1792 * space it ever will.)
1795 return FALSE; /* nonexistent widgets aren't a problem */
1797 #if GTK_CHECK_VERSION(2,18,0) /* skip if no gtk_widget_get_allocation */
1800 gtk_widget_get_allocation(w, &a);
1801 if (a.height == 0 || a.width == 0)
1802 return TRUE; /* widget exists but has no size yet */
1809 static void try_shrink_drawing_area(frontend *fe)
1811 if (fe->drawing_area_shrink_pending &&
1812 (!fe->menubar_is_local || !not_size_allocated_yet(fe->menubar)) &&
1813 !not_size_allocated_yet(fe->statusbar)) {
1815 * In order to permit the user to resize the window smaller as
1816 * well as bigger, we call this function after the window size
1817 * has ended up where we want it. This shouldn't shrink the
1818 * window immediately; it just arranges that the next time the
1819 * user tries to shrink it, they can.
1821 * However, at puzzle creation time, we defer the first of
1822 * these operations until after the menu bar and status bar
1823 * are actually visible. On Ubuntu 12.04 I've found that these
1824 * can take a while to be displayed, and that it's a mistake
1825 * to reduce the drawing area's size allocation before they've
1826 * turned up or else the drawing area makes room for them by
1827 * shrinking to less than the size we intended.
1829 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1830 fe->drawing_area_shrink_pending = FALSE;
1833 #endif /* !GTK_CHECK_VERSION(3,0,0) */
1835 static gint configure_window(GtkWidget *widget,
1836 GdkEventConfigure *event, gpointer data)
1838 #if !GTK_CHECK_VERSION(3,0,0)
1840 * When the main puzzle window changes size, it might be because
1841 * the menu bar or status bar has turned up after starting off
1842 * absent, in which case we should have another go at enacting a
1843 * pending shrink of the drawing area.
1845 frontend *fe = (frontend *)data;
1846 try_shrink_drawing_area(fe);
1851 static void resize_fe(frontend *fe)
1855 get_size(fe, &x, &y);
1857 #if GTK_CHECK_VERSION(3,0,0)
1858 gtk_window_resize_to_geometry(GTK_WINDOW(fe->window), x, y);
1862 fe->drawing_area_shrink_pending = FALSE;
1863 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1866 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1867 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1869 fe->drawing_area_shrink_pending = TRUE;
1870 try_shrink_drawing_area(fe);
1874 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1876 frontend *fe = (frontend *)data;
1877 game_params *params =
1878 (game_params *)g_object_get_data(G_OBJECT(menuitem), "user-data");
1880 if (fe->preset_threaded ||
1881 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
1882 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
1884 midend_set_params(fe->me, params);
1885 midend_new_game(fe->me);
1890 GdkAtom compound_text_atom, utf8_string_atom;
1891 int paste_initialised = FALSE;
1893 static void set_selection(frontend *fe, GdkAtom selection)
1895 if (!paste_initialised) {
1896 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1897 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1898 paste_initialised = TRUE;
1902 * For this simple application we can safely assume that the
1903 * data passed to this function is pure ASCII, which means we
1904 * can return precisely the same stuff for types STRING,
1905 * COMPOUND_TEXT or UTF8_STRING.
1908 if (gtk_selection_owner_set(fe->area, selection, CurrentTime)) {
1909 gtk_selection_clear_targets(fe->area, selection);
1910 gtk_selection_add_target(fe->area, selection,
1911 GDK_SELECTION_TYPE_STRING, 1);
1912 gtk_selection_add_target(fe->area, selection, compound_text_atom, 1);
1913 gtk_selection_add_target(fe->area, selection, utf8_string_atom, 1);
1917 void write_clip(frontend *fe, char *data)
1920 sfree(fe->paste_data);
1922 fe->paste_data = data;
1923 fe->paste_data_len = strlen(data);
1925 set_selection(fe, GDK_SELECTION_PRIMARY);
1926 set_selection(fe, GDK_SELECTION_CLIPBOARD);
1929 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1930 guint info, guint time_stamp, gpointer data)
1932 frontend *fe = (frontend *)data;
1933 gtk_selection_data_set(seldata, gtk_selection_data_get_target(seldata), 8,
1934 fe->paste_data, fe->paste_data_len);
1937 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1940 frontend *fe = (frontend *)data;
1943 sfree(fe->paste_data);
1944 fe->paste_data = NULL;
1945 fe->paste_data_len = 0;
1949 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1951 frontend *fe = (frontend *)data;
1954 text = midend_text_format(fe->me);
1957 write_clip(fe, text);
1965 static void filesel_ok(GtkButton *button, gpointer data)
1967 frontend *fe = (frontend *)data;
1969 gpointer filesel = g_object_get_data(G_OBJECT(button), "user-data");
1972 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1974 fe->filesel_name = dupstr(name);
1977 static char *file_selector(frontend *fe, char *title, int save)
1979 GtkWidget *filesel =
1980 gtk_file_selection_new(title);
1982 fe->filesel_name = NULL;
1984 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1986 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1989 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1990 G_CALLBACK(filesel_ok), fe);
1991 g_signal_connect_swapped
1992 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1993 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
1994 g_signal_connect_object
1995 (G_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1996 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
1997 g_signal_connect(G_OBJECT(filesel), "destroy",
1998 G_CALLBACK(window_destroy), NULL);
1999 gtk_widget_show(filesel);
2000 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
2003 return fe->filesel_name;
2008 static char *file_selector(frontend *fe, char *title, int save)
2010 char *filesel_name = NULL;
2012 GtkWidget *filesel =
2013 gtk_file_chooser_dialog_new(title,
2014 GTK_WINDOW(fe->window),
2015 save ? GTK_FILE_CHOOSER_ACTION_SAVE :
2016 GTK_FILE_CHOOSER_ACTION_OPEN,
2017 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
2018 save ? GTK_STOCK_SAVE : GTK_STOCK_OPEN,
2019 GTK_RESPONSE_ACCEPT,
2022 if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
2023 const char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
2024 filesel_name = dupstr(name);
2027 gtk_widget_destroy(filesel);
2029 return filesel_name;
2034 struct savefile_write_ctx {
2039 static void savefile_write(void *wctx, void *buf, int len)
2041 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
2042 if (fwrite(buf, 1, len, ctx->fp) < len)
2046 static int savefile_read(void *wctx, void *buf, int len)
2048 FILE *fp = (FILE *)wctx;
2051 ret = fread(buf, 1, len, fp);
2052 return (ret == len);
2055 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
2057 frontend *fe = (frontend *)data;
2060 name = file_selector(fe, "Enter name of game file to save", TRUE);
2065 if ((fp = fopen(name, "r")) != NULL) {
2066 char buf[256 + FILENAME_MAX];
2070 sprintf(buf, "Are you sure you want to overwrite the"
2072 FILENAME_MAX, name);
2073 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
2077 fp = fopen(name, "w");
2081 error_box(fe->window, "Unable to open save file");
2086 struct savefile_write_ctx ctx;
2089 midend_serialise(fe->me, savefile_write, &ctx);
2093 sprintf(boxmsg, "Error writing save file: %.400s",
2095 error_box(fe->window, boxmsg);
2103 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
2105 frontend *fe = (frontend *)data;
2108 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
2111 FILE *fp = fopen(name, "r");
2115 error_box(fe->window, "Unable to open saved game file");
2119 err = midend_deserialise(fe->me, savefile_read, fp);
2124 error_box(fe->window, err);
2133 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
2135 frontend *fe = (frontend *)data;
2138 msg = midend_solve(fe->me);
2141 error_box(fe->window, msg);
2144 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
2146 frontend *fe = (frontend *)data;
2148 midend_restart_game(fe->me);
2151 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
2153 frontend *fe = (frontend *)data;
2154 int which = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
2157 if (fe->preset_threaded ||
2158 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
2159 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
2161 changed_preset(fe); /* Put the old preset back! */
2162 if (!get_config(fe, which))
2165 midend_new_game(fe->me);
2169 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
2171 frontend *fe = (frontend *)data;
2175 sprintf(titlebuf, "About %.200s", thegame.name);
2178 "from Simon Tatham's Portable Puzzle Collection\n\n"
2179 "%.500s", thegame.name, ver);
2181 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
2184 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
2185 char *text, int key)
2187 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
2189 gtk_container_add(cont, menuitem);
2190 g_object_set_data(G_OBJECT(menuitem), "user-data", GINT_TO_POINTER(key));
2191 g_signal_connect(G_OBJECT(menuitem), "activate",
2192 G_CALLBACK(menu_key_event), fe);
2193 switch (key & ~0x1F) {
2196 keyqual = GDK_CONTROL_MASK;
2200 keyqual = GDK_SHIFT_MASK;
2206 gtk_widget_add_accelerator(menuitem,
2207 "activate", fe->accelgroup,
2210 gtk_widget_show(menuitem);
2214 static void add_menu_separator(GtkContainer *cont)
2216 GtkWidget *menuitem = gtk_menu_item_new();
2217 gtk_container_add(cont, menuitem);
2218 gtk_widget_show(menuitem);
2221 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
2223 static frontend *new_window(char *arg, int argtype, char **error)
2226 GtkBox *vbox, *hbox;
2227 GtkWidget *menu, *menuitem;
2231 extern char *const *const xpm_icons[];
2232 extern const int n_xpm_icons;
2234 fe = snew(frontend);
2236 fe->timer_active = FALSE;
2239 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
2249 err = midend_game_id(fe->me, arg);
2251 midend_new_game(fe->me);
2253 sprintf(errbuf, "Invalid game ID: %.800s", err);
2256 fp = fopen(arg, "r");
2258 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
2260 err = midend_deserialise(fe->me, savefile_read, fp);
2262 sprintf(errbuf, "Invalid save file: %.800s", err);
2266 default /*case ARG_EITHER*/:
2268 * First try treating the argument as a game ID.
2270 err = midend_game_id(fe->me, arg);
2273 * It's a valid game ID.
2275 midend_new_game(fe->me);
2277 FILE *fp = fopen(arg, "r");
2279 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
2280 " nor a save file (%.400s)", err, strerror(errno));
2282 err = midend_deserialise(fe->me, savefile_read, fp);
2284 sprintf(errbuf, "%.800s", err);
2291 *error = dupstr(errbuf);
2292 midend_free(fe->me);
2298 midend_new_game(fe->me);
2301 #if !GTK_CHECK_VERSION(3,0,0)
2304 * try_shrink_drawing_area() will do some fiddling with the
2305 * window size request (see comment in that function) after
2306 * all the bits and pieces such as the menu bar and status bar
2307 * have appeared in the puzzle window.
2309 * However, on Unity systems, the menu bar _doesn't_ appear in
2310 * the puzzle window, because the Unity shell hijacks it into
2311 * the menu bar at the very top of the screen. We therefore
2312 * try to detect that situation here, so that we don't sit
2313 * here forever waiting for a menu bar.
2315 const char prop[] = "gtk-shell-shows-menubar";
2316 GtkSettings *settings = gtk_settings_get_default();
2317 if (!g_object_class_find_property(G_OBJECT_GET_CLASS(settings),
2319 fe->menubar_is_local = TRUE;
2322 g_object_get(gtk_settings_get_default(),
2324 (const gchar *)NULL);
2325 fe->menubar_is_local = !unity_mode;
2330 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2331 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
2333 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
2334 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
2335 gtk_widget_show(GTK_WIDGET(vbox));
2337 fe->accelgroup = gtk_accel_group_new();
2338 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
2340 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2341 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2342 gtk_widget_show(GTK_WIDGET(hbox));
2344 fe->menubar = gtk_menu_bar_new();
2345 gtk_box_pack_start(hbox, fe->menubar, TRUE, TRUE, 0);
2346 gtk_widget_show(fe->menubar);
2348 menuitem = gtk_menu_item_new_with_mnemonic("_Game");
2349 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2350 gtk_widget_show(menuitem);
2352 menu = gtk_menu_new();
2353 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2355 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
2357 menuitem = gtk_menu_item_new_with_label("Restart");
2358 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2359 g_signal_connect(G_OBJECT(menuitem), "activate",
2360 G_CALLBACK(menu_restart_event), fe);
2361 gtk_widget_show(menuitem);
2363 menuitem = gtk_menu_item_new_with_label("Specific...");
2364 g_object_set_data(G_OBJECT(menuitem), "user-data",
2365 GINT_TO_POINTER(CFG_DESC));
2366 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2367 g_signal_connect(G_OBJECT(menuitem), "activate",
2368 G_CALLBACK(menu_config_event), fe);
2369 gtk_widget_show(menuitem);
2371 menuitem = gtk_menu_item_new_with_label("Random Seed...");
2372 g_object_set_data(G_OBJECT(menuitem), "user-data",
2373 GINT_TO_POINTER(CFG_SEED));
2374 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2375 g_signal_connect(G_OBJECT(menuitem), "activate",
2376 G_CALLBACK(menu_config_event), fe);
2377 gtk_widget_show(menuitem);
2379 fe->preset_radio = NULL;
2380 fe->preset_custom = NULL;
2381 fe->n_preset_menu_items = 0;
2382 fe->preset_threaded = FALSE;
2383 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
2387 menuitem = gtk_menu_item_new_with_mnemonic("_Type");
2388 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2389 gtk_widget_show(menuitem);
2391 submenu = gtk_menu_new();
2392 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
2394 for (i = 0; i < n; i++) {
2396 game_params *params;
2398 midend_fetch_preset(fe->me, i, &name, ¶ms);
2401 gtk_radio_menu_item_new_with_label(fe->preset_radio, name);
2403 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2404 fe->n_preset_menu_items++;
2405 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2406 g_object_set_data(G_OBJECT(menuitem), "user-data", params);
2407 g_signal_connect(G_OBJECT(menuitem), "activate",
2408 G_CALLBACK(menu_preset_event), fe);
2409 gtk_widget_show(menuitem);
2412 if (thegame.can_configure) {
2413 menuitem = fe->preset_custom =
2414 gtk_radio_menu_item_new_with_label(fe->preset_radio,
2417 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2418 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2419 g_object_set_data(G_OBJECT(menuitem), "user-data",
2420 GINT_TO_POINTER(CFG_SETTINGS));
2421 g_signal_connect(G_OBJECT(menuitem), "activate",
2422 G_CALLBACK(menu_config_event), fe);
2423 gtk_widget_show(menuitem);
2428 add_menu_separator(GTK_CONTAINER(menu));
2429 menuitem = gtk_menu_item_new_with_label("Load...");
2430 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2431 g_signal_connect(G_OBJECT(menuitem), "activate",
2432 G_CALLBACK(menu_load_event), fe);
2433 gtk_widget_show(menuitem);
2434 menuitem = gtk_menu_item_new_with_label("Save...");
2435 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2436 g_signal_connect(G_OBJECT(menuitem), "activate",
2437 G_CALLBACK(menu_save_event), fe);
2438 gtk_widget_show(menuitem);
2439 #ifndef STYLUS_BASED
2440 add_menu_separator(GTK_CONTAINER(menu));
2441 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
2442 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
2444 if (thegame.can_format_as_text_ever) {
2445 add_menu_separator(GTK_CONTAINER(menu));
2446 menuitem = gtk_menu_item_new_with_label("Copy");
2447 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2448 g_signal_connect(G_OBJECT(menuitem), "activate",
2449 G_CALLBACK(menu_copy_event), fe);
2450 gtk_widget_show(menuitem);
2451 fe->copy_menu_item = menuitem;
2453 fe->copy_menu_item = NULL;
2455 if (thegame.can_solve) {
2456 add_menu_separator(GTK_CONTAINER(menu));
2457 menuitem = gtk_menu_item_new_with_label("Solve");
2458 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2459 g_signal_connect(G_OBJECT(menuitem), "activate",
2460 G_CALLBACK(menu_solve_event), fe);
2461 gtk_widget_show(menuitem);
2463 add_menu_separator(GTK_CONTAINER(menu));
2464 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
2466 menuitem = gtk_menu_item_new_with_mnemonic("_Help");
2467 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2468 gtk_widget_show(menuitem);
2470 menu = gtk_menu_new();
2471 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2473 menuitem = gtk_menu_item_new_with_label("About");
2474 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2475 g_signal_connect(G_OBJECT(menuitem), "activate",
2476 G_CALLBACK(menu_about_event), fe);
2477 gtk_widget_show(menuitem);
2480 menuitem=gtk_button_new_with_mnemonic("_Redo");
2481 g_object_set_data(G_OBJECT(menuitem), "user-data",
2482 GINT_TO_POINTER((int)('r')));
2483 g_signal_connect(G_OBJECT(menuitem), "clicked",
2484 G_CALLBACK(menu_key_event), fe);
2485 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2486 gtk_widget_show(menuitem);
2488 menuitem=gtk_button_new_with_mnemonic("_Undo");
2489 g_object_set_data(G_OBJECT(menuitem), "user-data",
2490 GINT_TO_POINTER((int)('u')));
2491 g_signal_connect(G_OBJECT(menuitem), "clicked",
2492 G_CALLBACK(menu_key_event), fe);
2493 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2494 gtk_widget_show(menuitem);
2496 if (thegame.flags & REQUIRE_NUMPAD) {
2497 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2498 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2499 gtk_widget_show(GTK_WIDGET(hbox));
2503 for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
2504 menuitem=gtk_button_new_with_label(errbuf);
2505 g_object_set_data(G_OBJECT(menuitem), "user-data",
2506 GINT_TO_POINTER((int)(errbuf[0])));
2507 g_signal_connect(G_OBJECT(menuitem), "clicked",
2508 G_CALLBACK(menu_key_event), fe);
2509 gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0);
2510 gtk_widget_show(menuitem);
2513 #endif /* STYLUS_BASED */
2517 snaffle_colours(fe);
2519 if (midend_wants_statusbar(fe->me)) {
2520 GtkWidget *viewport;
2523 viewport = gtk_viewport_new(NULL, NULL);
2524 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
2525 fe->statusbar = gtk_statusbar_new();
2526 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
2527 gtk_widget_show(viewport);
2528 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
2529 gtk_widget_show(fe->statusbar);
2530 fe->statusctx = gtk_statusbar_get_context_id
2531 (GTK_STATUSBAR(fe->statusbar), "game");
2532 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
2534 gtk_widget_size_request(fe->statusbar, &req);
2536 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
2538 gtk_widget_set_usize(viewport, -1, req.height);
2540 fe->statusbar = NULL;
2542 fe->area = gtk_drawing_area_new();
2543 #if GTK_CHECK_VERSION(2,0,0)
2544 gtk_widget_set_double_buffered(fe->area, FALSE);
2548 geom.base_width = geom.base_height = 0;
2549 gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), fe->area,
2550 &geom, GDK_HINT_BASE_SIZE);
2552 get_size(fe, &x, &y);
2553 #if GTK_CHECK_VERSION(3,0,0)
2554 gtk_window_set_default_geometry(GTK_WINDOW(fe->window), x, y);
2556 fe->drawing_area_shrink_pending = FALSE;
2557 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
2562 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
2564 clear_backing_store(fe);
2566 fe->nfonts = fe->fontsize = 0;
2568 fe->paste_data = NULL;
2569 fe->paste_data_len = 0;
2571 g_signal_connect(G_OBJECT(fe->window), "destroy",
2572 G_CALLBACK(destroy), fe);
2573 g_signal_connect(G_OBJECT(fe->window), "key_press_event",
2574 G_CALLBACK(key_event), fe);
2575 g_signal_connect(G_OBJECT(fe->area), "button_press_event",
2576 G_CALLBACK(button_event), fe);
2577 g_signal_connect(G_OBJECT(fe->area), "button_release_event",
2578 G_CALLBACK(button_event), fe);
2579 g_signal_connect(G_OBJECT(fe->area), "motion_notify_event",
2580 G_CALLBACK(motion_event), fe);
2581 g_signal_connect(G_OBJECT(fe->area), "selection_get",
2582 G_CALLBACK(selection_get), fe);
2583 g_signal_connect(G_OBJECT(fe->area), "selection_clear_event",
2584 G_CALLBACK(selection_clear), fe);
2585 #if GTK_CHECK_VERSION(3,0,0)
2586 g_signal_connect(G_OBJECT(fe->area), "draw",
2587 G_CALLBACK(draw_area), fe);
2589 g_signal_connect(G_OBJECT(fe->area), "expose_event",
2590 G_CALLBACK(expose_area), fe);
2592 g_signal_connect(G_OBJECT(fe->window), "map_event",
2593 G_CALLBACK(map_window), fe);
2594 g_signal_connect(G_OBJECT(fe->area), "configure_event",
2595 G_CALLBACK(configure_area), fe);
2596 g_signal_connect(G_OBJECT(fe->window), "configure_event",
2597 G_CALLBACK(configure_window), fe);
2599 gtk_widget_add_events(GTK_WIDGET(fe->area),
2600 GDK_BUTTON_PRESS_MASK |
2601 GDK_BUTTON_RELEASE_MASK |
2602 GDK_BUTTON_MOTION_MASK |
2603 GDK_POINTER_MOTION_HINT_MASK);
2606 gtk_window_set_icon(GTK_WINDOW(fe->window),
2607 gdk_pixbuf_new_from_xpm_data
2608 ((const gchar **)xpm_icons[0]));
2611 for (n = 0; n < n_xpm_icons; n++) {
2613 g_list_append(iconlist,
2614 gdk_pixbuf_new_from_xpm_data((const gchar **)
2617 gtk_window_set_icon_list(GTK_WINDOW(fe->window), iconlist);
2620 gtk_widget_show(fe->area);
2621 gtk_widget_show(fe->window);
2623 #if !GTK_CHECK_VERSION(3,0,0)
2624 fe->drawing_area_shrink_pending = TRUE;
2625 try_shrink_drawing_area(fe);
2628 set_window_background(fe, 0);
2633 char *fgetline(FILE *fp)
2635 char *ret = snewn(512, char);
2636 int size = 512, len = 0;
2637 while (fgets(ret + len, size - len, fp)) {
2638 len += strlen(ret + len);
2639 if (ret[len-1] == '\n')
2640 break; /* got a newline, we're done */
2642 ret = sresize(ret, size, char);
2644 if (len == 0) { /* first fgets returned NULL */
2652 int main(int argc, char **argv)
2654 char *pname = argv[0];
2656 int ngenerate = 0, print = FALSE, px = 1, py = 1;
2657 int time_generation = FALSE, test_solve = FALSE, list_presets = FALSE;
2658 int soln = FALSE, colour = FALSE;
2660 float redo_proportion = 0.0F;
2661 char *savefile = NULL, *savesuffix = NULL;
2663 int argtype = ARG_EITHER;
2664 char *screenshot_file = NULL;
2665 int doing_opts = TRUE;
2671 * Command line parsing in this function is rather fiddly,
2672 * because GTK wants to have a go at argc/argv _first_ - and
2673 * yet we can't let it, because gtk_init() will bomb out if it
2674 * can't open an X display, whereas in fact we want to permit
2675 * our --generate and --print modes to run without an X
2679 * - we parse the command line ourselves, without modifying
2681 * - if we encounter an error which might plausibly be the
2682 * result of a GTK command line (i.e. not detailed errors in
2683 * particular options of ours) we store the error message
2684 * and terminate parsing.
2685 * - if we got enough out of the command line to know it
2686 * specifies a non-X mode of operation, we either display
2687 * the stored error and return failure, or if there is no
2688 * stored error we do the non-X operation and return
2690 * - otherwise, we go straight to gtk_init().
2696 if (doing_opts && !strcmp(p, "--version")) {
2697 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
2700 } else if (doing_opts && !strcmp(p, "--generate")) {
2702 ngenerate = atoi(*++av);
2704 fprintf(stderr, "%s: '--generate' expected a number\n",
2710 } else if (doing_opts && !strcmp(p, "--time-generation")) {
2711 time_generation = TRUE;
2712 } else if (doing_opts && !strcmp(p, "--test-solve")) {
2714 } else if (doing_opts && !strcmp(p, "--list-presets")) {
2715 list_presets = TRUE;
2716 } else if (doing_opts && !strcmp(p, "--save")) {
2720 fprintf(stderr, "%s: '--save' expected a filename\n",
2724 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
2725 !strcmp(p, "--savesuffix"))) {
2729 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
2733 } else if (doing_opts && !strcmp(p, "--print")) {
2734 if (!thegame.can_print) {
2735 fprintf(stderr, "%s: this game does not support printing\n",
2742 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
2743 fprintf(stderr, "%s: unable to parse argument '%s' to "
2744 "'--print'\n", pname, dim);
2750 } else if (doing_opts && !strcmp(p, "--scale")) {
2752 scale = atof(*++av);
2754 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2758 } else if (doing_opts && !strcmp(p, "--redo")) {
2760 * This is an internal option which I don't expect
2761 * users to have any particular use for. The effect of
2762 * --redo is that once the game has been loaded and
2763 * initialised, the next move in the redo chain is
2764 * replayed, and the game screen is redrawn part way
2765 * through the making of the move. This is only
2766 * meaningful if there _is_ a next move in the redo
2767 * chain, which means in turn that this option is only
2768 * useful if you're also passing a save file on the
2771 * This option is used by the script which generates
2772 * the puzzle icons and website screenshots, and I
2773 * don't imagine it's useful for anything else.
2774 * (Unless, I suppose, users don't like my screenshots
2775 * and want to generate their own in the same way for
2776 * some repackaged version of the puzzles.)
2779 redo_proportion = atof(*++av);
2781 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
2785 } else if (doing_opts && !strcmp(p, "--screenshot")) {
2787 * Another internal option for the icon building
2788 * script. This causes a screenshot of the central
2789 * drawing area (i.e. not including the menu bar or
2790 * status bar) to be saved to a PNG file once the
2791 * window has been drawn, and then the application
2792 * quits immediately.
2795 screenshot_file = *++av;
2797 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
2801 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
2802 !strcmp(p, "--with-solution") ||
2803 !strcmp(p, "--with-solns") ||
2804 !strcmp(p, "--with-soln") ||
2805 !strcmp(p, "--solutions") ||
2806 !strcmp(p, "--solution") ||
2807 !strcmp(p, "--solns") ||
2808 !strcmp(p, "--soln"))) {
2810 } else if (doing_opts && !strcmp(p, "--colour")) {
2811 if (!thegame.can_print_in_colour) {
2812 fprintf(stderr, "%s: this game does not support colour"
2813 " printing\n", pname);
2817 } else if (doing_opts && !strcmp(p, "--load")) {
2819 } else if (doing_opts && !strcmp(p, "--game")) {
2821 } else if (doing_opts && !strcmp(p, "--")) {
2823 } else if (!doing_opts || p[0] != '-') {
2825 fprintf(stderr, "%s: more than one argument supplied\n",
2831 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
2838 * Special standalone mode for generating puzzle IDs on the
2839 * command line. Useful for generating puzzles to be printed
2840 * out and solved offline (for puzzles where that even makes
2841 * sense - Solo, for example, is a lot more pencil-and-paper
2842 * friendly than Twiddle!)
2846 * <puzzle-name> --generate [<n> [<params>]]
2848 * <n>, if present, is the number of puzzle IDs to generate.
2849 * <params>, if present, is the same type of parameter string
2850 * you would pass to the puzzle when running it in GUI mode,
2851 * including optional extras such as the expansion factor in
2852 * Rectangles and the difficulty level in Solo.
2854 * If you specify <params>, you must also specify <n> (although
2855 * you may specify it to be 1). Sorry; that was the
2856 * simplest-to-parse command-line syntax I came up with.
2858 if (ngenerate > 0 || print || savefile || savesuffix) {
2862 document *doc = NULL;
2865 * If we're in this branch, we should display any pending
2866 * error message from the command line, since GTK isn't going
2867 * to take another crack at making sense of it.
2870 fputs(errbuf, stderr);
2876 me = midend_new(NULL, &thegame, NULL, NULL);
2879 if (savefile && !savesuffix)
2881 if (!savefile && savesuffix)
2885 doc = document_new(px, py, scale);
2888 * In this loop, we either generate a game ID or read one
2889 * from stdin depending on whether we're in generate mode;
2890 * then we either write it to stdout or print it, depending
2891 * on whether we're in print mode. Thus, this loop handles
2892 * generate-to-stdout, print-from-stdin and generate-and-
2893 * immediately-print modes.
2895 * (It could also handle a copy-stdin-to-stdout mode,
2896 * although there's currently no combination of options
2897 * which will cause this loop to be activated in that mode.
2898 * It wouldn't be _entirely_ pointless, though, because
2899 * stdin could contain bare params strings or random-seed
2900 * IDs, and stdout would contain nothing but fully
2901 * generated descriptive game IDs.)
2903 while (ngenerate == 0 || i < n) {
2904 char *pstr, *err, *seed;
2905 struct rusage before, after;
2907 if (ngenerate == 0) {
2908 pstr = fgetline(stdin);
2911 pstr[strcspn(pstr, "\r\n")] = '\0';
2914 pstr = snewn(strlen(arg) + 40, char);
2917 if (i > 0 && strchr(arg, '#'))
2918 sprintf(pstr + strlen(pstr), "-%d", i);
2924 err = midend_game_id(me, pstr);
2926 fprintf(stderr, "%s: error parsing '%s': %s\n",
2932 if (time_generation)
2933 getrusage(RUSAGE_SELF, &before);
2935 midend_new_game(me);
2937 seed = midend_get_random_seed(me);
2939 if (time_generation) {
2942 getrusage(RUSAGE_SELF, &after);
2944 elapsed = (after.ru_utime.tv_sec -
2945 before.ru_utime.tv_sec);
2946 elapsed += (after.ru_utime.tv_usec -
2947 before.ru_utime.tv_usec) / 1000000.0;
2949 printf("%s %s: %.6f\n", thegame.name, seed, elapsed);
2952 if (test_solve && thegame.can_solve) {
2954 * Now destroy the aux_info in the midend, by means of
2955 * re-entering the same game id, and then try to solve
2958 char *game_id, *err;
2960 game_id = midend_get_game_id(me);
2961 err = midend_game_id(me, game_id);
2963 fprintf(stderr, "%s %s: game id re-entry error: %s\n",
2964 thegame.name, seed, err);
2967 midend_new_game(me);
2970 err = midend_solve(me);
2972 * If the solve operation returned the error "Solution
2973 * not known for this puzzle", that's OK, because that
2974 * just means it's a puzzle for which we don't have an
2975 * algorithmic solver and hence can't solve it without
2976 * the aux_info, e.g. Netslide. Any other error is a
2979 if (err && strcmp(err, "Solution not known for this puzzle")) {
2980 fprintf(stderr, "%s %s: solve error: %s\n",
2981 thegame.name, seed, err);
2990 err = midend_print_puzzle(me, doc, soln);
2992 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
2997 struct savefile_write_ctx ctx;
2998 char *realname = snewn(40 + strlen(savefile) +
2999 strlen(savesuffix), char);
3000 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
3003 char *err = midend_solve(me);
3005 fprintf(stderr, "%s: unable to show solution: %s\n",
3011 ctx.fp = fopen(realname, "w");
3013 fprintf(stderr, "%s: open: %s\n", realname,
3018 midend_serialise(me, savefile_write, &ctx);
3020 fprintf(stderr, "%s: write: %s\n", realname,
3021 strerror(ctx.error));
3024 if (fclose(ctx.fp)) {
3025 fprintf(stderr, "%s: close: %s\n", realname,
3031 if (!doc && !savefile && !time_generation) {
3032 id = midend_get_game_id(me);
3041 psdata *ps = ps_init(stdout, colour);
3042 document_print(doc, ps_drawing_api(ps));
3050 } else if (list_presets) {
3052 * Another specialist mode which causes the puzzle to list the
3053 * game_params strings for all its preset configurations.
3058 me = midend_new(NULL, &thegame, NULL, NULL);
3059 npresets = midend_num_presets(me);
3061 for (i = 0; i < npresets; i++) {
3062 game_params *params;
3063 char *name, *paramstr;
3065 midend_fetch_preset(me, i, &name, ¶ms);
3066 paramstr = thegame.encode_params(params, TRUE);
3068 printf("%s %s\n", paramstr, name);
3077 gtk_init(&argc, &argv);
3079 fe = new_window(arg, argtype, &error);
3082 fprintf(stderr, "%s: %s\n", pname, error);
3086 if (screenshot_file) {
3088 * Some puzzles will not redraw their entire area if
3089 * given a partially completed animation, which means
3090 * we must redraw now and _then_ redraw again after
3091 * freezing the move timer.
3093 midend_force_redraw(fe->me);
3096 if (redo_proportion) {
3098 midend_process_key(fe->me, 0, 0, 'r');
3099 /* And freeze the timer at the specified position. */
3100 midend_freeze_timer(fe->me, redo_proportion);
3103 if (screenshot_file) {
3104 save_screenshot_png(fe, screenshot_file);