2 * gtk.c: GTK front end for my puzzle collection.
5 #ifndef _POSIX_C_SOURCE
6 #define _POSIX_C_SOURCE 1 /* for PATH_MAX */
22 #include <sys/resource.h>
25 #include <gdk/gdkkeysyms.h>
27 #include <gdk-pixbuf/gdk-pixbuf.h>
31 #include <X11/Xutil.h>
32 #include <X11/Xatom.h>
36 #if GTK_CHECK_VERSION(2,0,0)
38 # ifdef PANGO_VERSION_CHECK
39 # if PANGO_VERSION_CHECK(1,8,0)
40 # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
44 #if !GTK_CHECK_VERSION(2,4,0)
47 #if GTK_CHECK_VERSION(2,8,0)
49 # if GTK_CHECK_VERSION(3,0,0) || defined(GDK_DISABLE_DEPRECATED)
50 # define USE_CAIRO_WITHOUT_PIXMAP
54 #if GTK_CHECK_VERSION(3,0,0)
55 /* The old names are still more concise! */
56 #define gtk_hbox_new(x,y) gtk_box_new(GTK_ORIENTATION_HORIZONTAL,y)
57 #define gtk_vbox_new(x,y) gtk_box_new(GTK_ORIENTATION_VERTICAL,y)
58 /* GTK 3 has retired stock button labels */
59 #define LABEL_OK "_OK"
60 #define LABEL_CANCEL "_Cancel"
61 #define LABEL_NO "_No"
62 #define LABEL_YES "_Yes"
63 #define LABEL_SAVE "_Save"
64 #define LABEL_OPEN "_Open"
65 #define gtk_button_new_with_our_label gtk_button_new_with_mnemonic
67 #define LABEL_OK GTK_STOCK_OK
68 #define LABEL_CANCEL GTK_STOCK_CANCEL
69 #define LABEL_NO GTK_STOCK_NO
70 #define LABEL_YES GTK_STOCK_YES
71 #define LABEL_SAVE GTK_STOCK_SAVE
72 #define LABEL_OPEN GTK_STOCK_OPEN
73 #define gtk_button_new_with_our_label gtk_button_new_from_stock
76 /* #undef USE_CAIRO */
77 /* #define NO_THICK_LINE */
79 static FILE *debug_fp = NULL;
84 debug_fp = fopen("debug.log", "w");
95 void debug_printf(char *fmt, ...)
101 vsprintf(buf, fmt, ap);
107 /* ----------------------------------------------------------------------
108 * Error reporting functions used elsewhere.
111 void fatal(char *fmt, ...)
115 fprintf(stderr, "fatal error: ");
118 vfprintf(stderr, fmt, ap);
121 fprintf(stderr, "\n");
125 /* ----------------------------------------------------------------------
126 * GTK front end to puzzles.
129 static void changed_preset(frontend *fe);
133 PangoFontDescription *desc;
142 * This structure holds all the data relevant to a single window.
143 * In principle this would allow us to open multiple independent
144 * puzzle windows, although I can't currently see any real point in
145 * doing so. I'm just coding cleanly because there's no
146 * particularly good reason not to.
150 GtkAccelGroup *dummy_accelgroup;
152 GtkWidget *statusbar;
154 #if GTK_CHECK_VERSION(3,20,0)
155 GtkCssProvider *css_provider;
161 const float *colours;
163 cairo_surface_t *image;
164 #ifndef USE_CAIRO_WITHOUT_PIXMAP
167 GdkColor background; /* for painting outside puzzle area */
173 int backgroundindex; /* which of colours[] is background */
176 int bbox_l, bbox_r, bbox_u, bbox_d;
177 int timer_active, timer_id;
178 struct timeval last_time;
180 int nfonts, fontsize;
182 int cfg_which, cfgret;
186 int pw, ph; /* pixmap size (w, h are area size) */
187 int ox, oy; /* offset of pixmap in drawing area */
191 GSList *preset_radio;
193 GtkWidget *preset_custom;
194 GtkWidget *copy_menu_item;
195 #if !GTK_CHECK_VERSION(3,0,0)
196 int drawing_area_shrink_pending;
197 int menubar_is_local;
203 cairo_surface_t *image;
210 void get_random_seed(void **randseed, int *randseedsize)
212 struct timeval *tvp = snew(struct timeval);
213 gettimeofday(tvp, NULL);
214 *randseed = (void *)tvp;
215 *randseedsize = sizeof(struct timeval);
218 void frontend_default_colour(frontend *fe, float *output)
220 #if !GTK_CHECK_VERSION(3,0,0)
222 * Use the widget style's default background colour as the
223 * background for the puzzle drawing area.
225 GdkColor col = gtk_widget_get_style(fe->window)->bg[GTK_STATE_NORMAL];
226 output[0] = col.red / 65535.0;
227 output[1] = col.green / 65535.0;
228 output[2] = col.blue / 65535.0;
231 * GTK 3 has decided that there's no such thing as a 'default
232 * background colour' any more, because widget styles might set
233 * the background to something more complicated like a background
234 * image. We don't want to get into overlaying our entire puzzle
235 * on an arbitrary background image, so we'll just make up a
236 * reasonable shade of grey.
238 output[0] = output[1] = output[2] = 0.9F;
242 void gtk_status_bar(void *handle, char *text)
244 frontend *fe = (frontend *)handle;
246 assert(fe->statusbar);
248 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
249 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
252 /* ----------------------------------------------------------------------
253 * Cairo drawing functions.
258 static void setup_drawing(frontend *fe)
260 fe->cr = cairo_create(fe->image);
261 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_GRAY);
262 cairo_set_line_width(fe->cr, 1.0);
263 cairo_set_line_cap(fe->cr, CAIRO_LINE_CAP_SQUARE);
264 cairo_set_line_join(fe->cr, CAIRO_LINE_JOIN_ROUND);
267 static void teardown_drawing(frontend *fe)
269 cairo_destroy(fe->cr);
272 #ifndef USE_CAIRO_WITHOUT_PIXMAP
274 cairo_t *cr = gdk_cairo_create(fe->pixmap);
275 cairo_set_source_surface(cr, fe->image, 0, 0);
279 fe->bbox_r - fe->bbox_l + 2,
280 fe->bbox_d - fe->bbox_u + 2);
287 static void snaffle_colours(frontend *fe)
289 fe->colours = midend_colours(fe->me, &fe->ncolours);
292 static void set_colour(frontend *fe, int colour)
294 cairo_set_source_rgb(fe->cr,
295 fe->colours[3*colour + 0],
296 fe->colours[3*colour + 1],
297 fe->colours[3*colour + 2]);
300 static void set_window_background(frontend *fe, int colour)
302 #if GTK_CHECK_VERSION(3,20,0)
304 sprintf(css_buf, ".background { "
305 "background-color: #%02x%02x%02x; }",
306 (unsigned)(fe->colours[3*colour + 0] * 255),
307 (unsigned)(fe->colours[3*colour + 1] * 255),
308 (unsigned)(fe->colours[3*colour + 2] * 255));
309 if (!fe->css_provider)
310 fe->css_provider = gtk_css_provider_new();
311 if (!gtk_css_provider_load_from_data(
312 GTK_CSS_PROVIDER(fe->css_provider), css_buf, -1, NULL))
313 assert(0 && "Couldn't load CSS");
314 gtk_style_context_add_provider(
315 gtk_widget_get_style_context(fe->window),
316 GTK_STYLE_PROVIDER(fe->css_provider),
317 GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
318 gtk_style_context_add_provider(
319 gtk_widget_get_style_context(fe->area),
320 GTK_STYLE_PROVIDER(fe->css_provider),
321 GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
322 #elif GTK_CHECK_VERSION(3,0,0)
324 rgba.red = fe->colours[3*colour + 0];
325 rgba.green = fe->colours[3*colour + 1];
326 rgba.blue = fe->colours[3*colour + 2];
328 gdk_window_set_background_rgba(gtk_widget_get_window(fe->area), &rgba);
329 gdk_window_set_background_rgba(gtk_widget_get_window(fe->window), &rgba);
333 colmap = gdk_colormap_get_system();
334 fe->background.red = fe->colours[3*colour + 0] * 65535;
335 fe->background.green = fe->colours[3*colour + 1] * 65535;
336 fe->background.blue = fe->colours[3*colour + 2] * 65535;
337 if (!gdk_colormap_alloc_color(colmap, &fe->background, FALSE, FALSE)) {
338 g_error("couldn't allocate background (#%02x%02x%02x)\n",
339 fe->background.red >> 8, fe->background.green >> 8,
340 fe->background.blue >> 8);
342 gdk_window_set_background(gtk_widget_get_window(fe->area),
344 gdk_window_set_background(gtk_widget_get_window(fe->window),
349 static PangoLayout *make_pango_layout(frontend *fe)
351 return (pango_cairo_create_layout(fe->cr));
354 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
357 cairo_move_to(fe->cr, x, y);
358 pango_cairo_show_layout(fe->cr, layout);
361 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
363 cairo_surface_write_to_png(fe->image, screenshot_file);
366 static void do_clip(frontend *fe, int x, int y, int w, int h)
368 cairo_new_path(fe->cr);
369 cairo_rectangle(fe->cr, x, y, w, h);
373 static void do_unclip(frontend *fe)
375 cairo_reset_clip(fe->cr);
378 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
381 cairo_new_path(fe->cr);
382 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_NONE);
383 cairo_rectangle(fe->cr, x, y, w, h);
385 cairo_restore(fe->cr);
388 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
390 cairo_new_path(fe->cr);
391 cairo_move_to(fe->cr, x1 + 0.5, y1 + 0.5);
392 cairo_line_to(fe->cr, x2 + 0.5, y2 + 0.5);
393 cairo_stroke(fe->cr);
396 static void do_draw_thick_line(frontend *fe, float thickness,
397 float x1, float y1, float x2, float y2)
400 cairo_set_line_width(fe->cr, thickness);
401 cairo_new_path(fe->cr);
402 cairo_move_to(fe->cr, x1, y1);
403 cairo_line_to(fe->cr, x2, y2);
404 cairo_stroke(fe->cr);
405 cairo_restore(fe->cr);
408 static void do_draw_poly(frontend *fe, int *coords, int npoints,
409 int fillcolour, int outlinecolour)
413 cairo_new_path(fe->cr);
414 for (i = 0; i < npoints; i++)
415 cairo_line_to(fe->cr, coords[i*2] + 0.5, coords[i*2 + 1] + 0.5);
416 cairo_close_path(fe->cr);
417 if (fillcolour >= 0) {
418 set_colour(fe, fillcolour);
419 cairo_fill_preserve(fe->cr);
421 assert(outlinecolour >= 0);
422 set_colour(fe, outlinecolour);
423 cairo_stroke(fe->cr);
426 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
427 int fillcolour, int outlinecolour)
429 cairo_new_path(fe->cr);
430 cairo_arc(fe->cr, cx + 0.5, cy + 0.5, radius, 0, 2*PI);
431 cairo_close_path(fe->cr); /* Just in case... */
432 if (fillcolour >= 0) {
433 set_colour(fe, fillcolour);
434 cairo_fill_preserve(fe->cr);
436 assert(outlinecolour >= 0);
437 set_colour(fe, outlinecolour);
438 cairo_stroke(fe->cr);
441 static void setup_blitter(blitter *bl, int w, int h)
443 bl->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24, w, h);
446 static void teardown_blitter(blitter *bl)
448 cairo_surface_destroy(bl->image);
451 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
453 cairo_t *cr = cairo_create(bl->image);
455 cairo_set_source_surface(cr, fe->image, -x, -y);
460 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
462 cairo_set_source_surface(fe->cr, bl->image, x, y);
466 static void clear_backing_store(frontend *fe)
471 static void wipe_and_maybe_destroy_cairo(frontend *fe, cairo_t *cr,
474 cairo_set_source_rgb(cr, fe->colours[0], fe->colours[1], fe->colours[2]);
480 static void setup_backing_store(frontend *fe)
482 #ifndef USE_CAIRO_WITHOUT_PIXMAP
483 fe->pixmap = gdk_pixmap_new(gtk_widget_get_window(fe->area),
486 fe->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
489 wipe_and_maybe_destroy_cairo(fe, cairo_create(fe->image), TRUE);
490 #ifndef USE_CAIRO_WITHOUT_PIXMAP
491 wipe_and_maybe_destroy_cairo(fe, gdk_cairo_create(fe->pixmap), TRUE);
493 #if GTK_CHECK_VERSION(3,22,0)
496 cairo_region_t *region;
497 GdkDrawingContext *drawctx;
500 gdkwin = gtk_widget_get_window(fe->area);
501 region = gdk_window_get_clip_region(gdkwin);
502 drawctx = gdk_window_begin_draw_frame(gdkwin, region);
503 cr = gdk_drawing_context_get_cairo_context(drawctx);
504 wipe_and_maybe_destroy_cairo(fe, cr, FALSE);
505 gdk_window_end_draw_frame(gdkwin, drawctx);
506 cairo_region_destroy(region);
509 wipe_and_maybe_destroy_cairo(
510 fe, gdk_cairo_create(gtk_widget_get_window(fe->area)), TRUE);
514 static int backing_store_ok(frontend *fe)
516 return (!!fe->image);
519 static void teardown_backing_store(frontend *fe)
521 cairo_surface_destroy(fe->image);
522 #ifndef USE_CAIRO_WITHOUT_PIXMAP
523 gdk_pixmap_unref(fe->pixmap);
530 /* ----------------------------------------------------------------------
531 * GDK drawing functions.
536 static void setup_drawing(frontend *fe)
538 fe->gc = gdk_gc_new(fe->area->window);
541 static void teardown_drawing(frontend *fe)
543 gdk_gc_unref(fe->gc);
547 static void snaffle_colours(frontend *fe)
553 fe->colmap = gdk_colormap_get_system();
554 colours = midend_colours(fe->me, &ncolours);
555 fe->ncolours = ncolours;
556 fe->colours = snewn(ncolours, GdkColor);
557 for (i = 0; i < ncolours; i++) {
558 fe->colours[i].red = colours[i*3] * 0xFFFF;
559 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
560 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
562 success = snewn(ncolours, gboolean);
563 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
564 FALSE, FALSE, success);
565 for (i = 0; i < ncolours; i++) {
567 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
568 i, fe->colours[i].red >> 8,
569 fe->colours[i].green >> 8,
570 fe->colours[i].blue >> 8);
575 static void set_window_background(frontend *fe, int colour)
577 fe->backgroundindex = colour;
578 gdk_window_set_background(fe->area->window, &fe->colours[colour]);
579 gdk_window_set_background(fe->window->window, &fe->colours[colour]);
582 static void set_colour(frontend *fe, int colour)
584 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
588 static PangoLayout *make_pango_layout(frontend *fe)
590 return (pango_layout_new(gtk_widget_get_pango_context(fe->area)));
593 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
596 gdk_draw_layout(fe->pixmap, fe->gc, x, y, layout);
600 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
603 GError *gerror = NULL;
605 midend_redraw(fe->me);
607 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
608 NULL, 0, 0, 0, 0, -1, -1);
609 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);
612 static void do_clip(frontend *fe, int x, int y, int w, int h)
620 gdk_gc_set_clip_rectangle(fe->gc, &rect);
623 static void do_unclip(frontend *fe)
631 gdk_gc_set_clip_rectangle(fe->gc, &rect);
634 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
636 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
639 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
641 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
644 static void do_draw_thick_line(frontend *fe, float thickness,
645 float x1, float y1, float x2, float y2)
649 gdk_gc_get_values(fe->gc, &save);
650 gdk_gc_set_line_attributes(fe->gc,
655 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
656 gdk_gc_set_line_attributes(fe->gc,
663 static void do_draw_poly(frontend *fe, int *coords, int npoints,
664 int fillcolour, int outlinecolour)
666 GdkPoint *points = snewn(npoints, GdkPoint);
669 for (i = 0; i < npoints; i++) {
670 points[i].x = coords[i*2];
671 points[i].y = coords[i*2+1];
674 if (fillcolour >= 0) {
675 set_colour(fe, fillcolour);
676 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
678 assert(outlinecolour >= 0);
679 set_colour(fe, outlinecolour);
682 * In principle we ought to be able to use gdk_draw_polygon for
683 * the outline as well. In fact, it turns out to interact badly
684 * with a clipping region, for no terribly obvious reason, so I
685 * draw the outline as a sequence of lines instead.
687 for (i = 0; i < npoints; i++)
688 gdk_draw_line(fe->pixmap, fe->gc,
689 points[i].x, points[i].y,
690 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
695 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
696 int fillcolour, int outlinecolour)
698 if (fillcolour >= 0) {
699 set_colour(fe, fillcolour);
700 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
701 cx - radius, cy - radius,
702 2 * radius, 2 * radius, 0, 360 * 64);
705 assert(outlinecolour >= 0);
706 set_colour(fe, outlinecolour);
707 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
708 cx - radius, cy - radius,
709 2 * radius, 2 * radius, 0, 360 * 64);
712 static void setup_blitter(blitter *bl, int w, int h)
715 * We can't create the pixmap right now, because fe->window
716 * might not yet exist. So we just cache w and h and create it
717 * during the firs call to blitter_save.
722 static void teardown_blitter(blitter *bl)
725 gdk_pixmap_unref(bl->pixmap);
728 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
731 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
732 gdk_draw_pixmap(bl->pixmap,
733 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
735 x, y, 0, 0, bl->w, bl->h);
738 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
741 gdk_draw_pixmap(fe->pixmap,
742 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
744 0, 0, x, y, bl->w, bl->h);
747 static void clear_backing_store(frontend *fe)
752 static void setup_backing_store(frontend *fe)
756 fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1);
758 gc = gdk_gc_new(fe->area->window);
759 gdk_gc_set_foreground(gc, &fe->colours[0]);
760 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
761 gdk_draw_rectangle(fe->area->window, gc, 1, 0, 0, fe->w, fe->h);
765 static int backing_store_ok(frontend *fe)
767 return (!!fe->pixmap);
770 static void teardown_backing_store(frontend *fe)
772 gdk_pixmap_unref(fe->pixmap);
778 #ifndef USE_CAIRO_WITHOUT_PIXMAP
779 static void repaint_rectangle(frontend *fe, GtkWidget *widget,
780 int x, int y, int w, int h)
782 GdkGC *gc = gdk_gc_new(gtk_widget_get_window(widget));
784 gdk_gc_set_foreground(gc, &fe->background);
786 gdk_gc_set_foreground(gc, &fe->colours[fe->backgroundindex]);
789 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
790 TRUE, x, y, fe->ox - x, h);
795 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
796 TRUE, x, y, w, fe->oy - y);
801 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
802 TRUE, x + fe->pw, y, w - fe->pw, h);
806 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
807 TRUE, x, y + fe->ph, w, h - fe->ph);
810 gdk_draw_pixmap(gtk_widget_get_window(widget), gc, fe->pixmap,
811 x - fe->ox, y - fe->oy, x, y, w, h);
816 /* ----------------------------------------------------------------------
817 * Pango font functions.
822 static void add_font(frontend *fe, int index, int fonttype, int fontsize)
825 * Use Pango to find the closest match to the requested
828 PangoFontDescription *fd;
830 fd = pango_font_description_new();
831 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
832 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
833 "Monospace" : "Sans");
834 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
836 * I found some online Pango documentation which
837 * described a function called
838 * pango_font_description_set_absolute_size(), which is
839 * _exactly_ what I want here. Unfortunately, none of
840 * my local Pango installations have it (presumably
841 * they're too old), so I'm going to have to hack round
842 * it by figuring out the point size myself. This
843 * limits me to X and probably also breaks in later
844 * Pango installations, so ideally I should add another
845 * CHECK_VERSION type ifdef and use set_absolute_size
846 * where available. All very annoying.
848 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
849 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
852 Display *d = GDK_DISPLAY();
853 int s = DefaultScreen(d);
855 (PANGO_SCALE * 72.27 / 25.4) *
856 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
857 pango_font_description_set_size(fd, resolution * fontsize);
860 fe->fonts[index].desc = fd;
863 static void align_and_draw_text(frontend *fe,
864 int index, int align, int x, int y,
870 layout = make_pango_layout(fe);
875 pango_layout_set_font_description(layout, fe->fonts[index].desc);
876 pango_layout_set_text(layout, text, strlen(text));
877 pango_layout_get_pixel_extents(layout, NULL, &rect);
879 if (align & ALIGN_VCENTRE)
880 rect.y -= rect.height / 2;
882 rect.y -= rect.height;
884 if (align & ALIGN_HCENTRE)
885 rect.x -= rect.width / 2;
886 else if (align & ALIGN_HRIGHT)
887 rect.x -= rect.width;
889 draw_pango_layout(fe, layout, rect.x + x, rect.y + y);
891 g_object_unref(layout);
896 /* ----------------------------------------------------------------------
897 * Old-fashioned font functions.
902 static void add_font(int index, int fonttype, int fontsize)
905 * In GTK 1.2, I don't know of any plausible way to
906 * pick a suitable font, so I'm just going to be
909 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
910 "fixed" : "variable");
913 static void align_and_draw_text(int index, int align, int x, int y,
916 int lb, rb, wid, asc, desc;
919 * Measure vertical string extents with respect to the same
922 gdk_string_extents(fe->fonts[i].font,
923 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
924 &lb, &rb, &wid, &asc, &desc);
925 if (align & ALIGN_VCENTRE)
926 y += asc - (asc+desc)/2;
931 * ... but horizontal extents with respect to the provided
932 * string. This means that multiple pieces of text centred
933 * on the same y-coordinate don't have different baselines.
935 gdk_string_extents(fe->fonts[i].font, text,
936 &lb, &rb, &wid, &asc, &desc);
938 if (align & ALIGN_HCENTRE)
940 else if (align & ALIGN_HRIGHT)
944 * Actually draw the text.
946 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
951 /* ----------------------------------------------------------------------
952 * The exported drawing functions.
955 void gtk_start_draw(void *handle)
957 frontend *fe = (frontend *)handle;
965 void gtk_clip(void *handle, int x, int y, int w, int h)
967 frontend *fe = (frontend *)handle;
968 do_clip(fe, x, y, w, h);
971 void gtk_unclip(void *handle)
973 frontend *fe = (frontend *)handle;
977 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
978 int align, int colour, char *text)
980 frontend *fe = (frontend *)handle;
984 * Find or create the font.
986 for (i = 0; i < fe->nfonts; i++)
987 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
990 if (i == fe->nfonts) {
991 if (fe->fontsize <= fe->nfonts) {
992 fe->fontsize = fe->nfonts + 10;
993 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
998 fe->fonts[i].type = fonttype;
999 fe->fonts[i].size = fontsize;
1000 add_font(fe, i, fonttype, fontsize);
1006 set_colour(fe, colour);
1007 align_and_draw_text(fe, i, align, x, y, text);
1010 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
1012 frontend *fe = (frontend *)handle;
1013 set_colour(fe, colour);
1014 do_draw_rect(fe, x, y, w, h);
1017 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
1019 frontend *fe = (frontend *)handle;
1020 set_colour(fe, colour);
1021 do_draw_line(fe, x1, y1, x2, y2);
1024 void gtk_draw_thick_line(void *handle, float thickness,
1025 float x1, float y1, float x2, float y2, int colour)
1027 frontend *fe = (frontend *)handle;
1028 set_colour(fe, colour);
1029 do_draw_thick_line(fe, thickness, x1, y1, x2, y2);
1032 void gtk_draw_poly(void *handle, int *coords, int npoints,
1033 int fillcolour, int outlinecolour)
1035 frontend *fe = (frontend *)handle;
1036 do_draw_poly(fe, coords, npoints, fillcolour, outlinecolour);
1039 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
1040 int fillcolour, int outlinecolour)
1042 frontend *fe = (frontend *)handle;
1043 do_draw_circle(fe, cx, cy, radius, fillcolour, outlinecolour);
1046 blitter *gtk_blitter_new(void *handle, int w, int h)
1048 blitter *bl = snew(blitter);
1049 setup_blitter(bl, w, h);
1055 void gtk_blitter_free(void *handle, blitter *bl)
1057 teardown_blitter(bl);
1061 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
1063 frontend *fe = (frontend *)handle;
1064 do_blitter_save(fe, bl, x, y);
1069 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
1071 frontend *fe = (frontend *)handle;
1072 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
1076 do_blitter_load(fe, bl, x, y);
1079 void gtk_draw_update(void *handle, int x, int y, int w, int h)
1081 frontend *fe = (frontend *)handle;
1082 if (fe->bbox_l > x ) fe->bbox_l = x ;
1083 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
1084 if (fe->bbox_u > y ) fe->bbox_u = y ;
1085 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
1088 void gtk_end_draw(void *handle)
1090 frontend *fe = (frontend *)handle;
1092 teardown_drawing(fe);
1094 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
1095 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1096 gtk_widget_queue_draw_area(fe->area,
1097 fe->bbox_l - 1 + fe->ox,
1098 fe->bbox_u - 1 + fe->oy,
1099 fe->bbox_r - fe->bbox_l + 2,
1100 fe->bbox_d - fe->bbox_u + 2);
1102 repaint_rectangle(fe, fe->area,
1103 fe->bbox_l - 1 + fe->ox,
1104 fe->bbox_u - 1 + fe->oy,
1105 fe->bbox_r - fe->bbox_l + 2,
1106 fe->bbox_d - fe->bbox_u + 2);
1112 char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings)
1115 * We assume Pango can cope with any UTF-8 likely to be emitted
1118 return dupstr(strings[0]);
1122 const struct drawing_api gtk_drawing = {
1138 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
1139 NULL, NULL, /* line_width, line_dotted */
1145 #ifdef NO_THICK_LINE
1148 gtk_draw_thick_line,
1152 static void destroy(GtkWidget *widget, gpointer data)
1154 frontend *fe = (frontend *)data;
1155 deactivate_timer(fe);
1156 midend_free(fe->me);
1160 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
1162 frontend *fe = (frontend *)data;
1164 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
1165 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
1167 if (!backing_store_ok(fe))
1170 /* Handle mnemonics. */
1171 if (gtk_window_activate_key(GTK_WINDOW(fe->window), event))
1174 if (event->keyval == GDK_KEY_Up)
1175 keyval = shift | ctrl | CURSOR_UP;
1176 else if (event->keyval == GDK_KEY_KP_Up ||
1177 event->keyval == GDK_KEY_KP_8)
1178 keyval = MOD_NUM_KEYPAD | '8';
1179 else if (event->keyval == GDK_KEY_Down)
1180 keyval = shift | ctrl | CURSOR_DOWN;
1181 else if (event->keyval == GDK_KEY_KP_Down ||
1182 event->keyval == GDK_KEY_KP_2)
1183 keyval = MOD_NUM_KEYPAD | '2';
1184 else if (event->keyval == GDK_KEY_Left)
1185 keyval = shift | ctrl | CURSOR_LEFT;
1186 else if (event->keyval == GDK_KEY_KP_Left ||
1187 event->keyval == GDK_KEY_KP_4)
1188 keyval = MOD_NUM_KEYPAD | '4';
1189 else if (event->keyval == GDK_KEY_Right)
1190 keyval = shift | ctrl | CURSOR_RIGHT;
1191 else if (event->keyval == GDK_KEY_KP_Right ||
1192 event->keyval == GDK_KEY_KP_6)
1193 keyval = MOD_NUM_KEYPAD | '6';
1194 else if (event->keyval == GDK_KEY_KP_Home ||
1195 event->keyval == GDK_KEY_KP_7)
1196 keyval = MOD_NUM_KEYPAD | '7';
1197 else if (event->keyval == GDK_KEY_KP_End ||
1198 event->keyval == GDK_KEY_KP_1)
1199 keyval = MOD_NUM_KEYPAD | '1';
1200 else if (event->keyval == GDK_KEY_KP_Page_Up ||
1201 event->keyval == GDK_KEY_KP_9)
1202 keyval = MOD_NUM_KEYPAD | '9';
1203 else if (event->keyval == GDK_KEY_KP_Page_Down ||
1204 event->keyval == GDK_KEY_KP_3)
1205 keyval = MOD_NUM_KEYPAD | '3';
1206 else if (event->keyval == GDK_KEY_KP_Insert ||
1207 event->keyval == GDK_KEY_KP_0)
1208 keyval = MOD_NUM_KEYPAD | '0';
1209 else if (event->keyval == GDK_KEY_KP_Begin ||
1210 event->keyval == GDK_KEY_KP_5)
1211 keyval = MOD_NUM_KEYPAD | '5';
1212 else if (event->keyval == GDK_KEY_BackSpace ||
1213 event->keyval == GDK_KEY_Delete ||
1214 event->keyval == GDK_KEY_KP_Delete)
1216 else if ((event->keyval == 'z' || event->keyval == 'Z') && shift && ctrl)
1218 else if (event->string[0] && !event->string[1])
1219 keyval = (unsigned char)event->string[0];
1224 !midend_process_key(fe->me, 0, 0, keyval))
1225 gtk_widget_destroy(fe->window);
1230 static gint button_event(GtkWidget *widget, GdkEventButton *event,
1233 frontend *fe = (frontend *)data;
1236 if (!backing_store_ok(fe))
1239 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
1242 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
1243 button = MIDDLE_BUTTON;
1244 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
1245 button = RIGHT_BUTTON;
1246 else if (event->button == 1)
1247 button = LEFT_BUTTON;
1248 else if (event->button == 8 && event->type == GDK_BUTTON_PRESS)
1250 else if (event->button == 9 && event->type == GDK_BUTTON_PRESS)
1253 return FALSE; /* don't even know what button! */
1255 if (event->type == GDK_BUTTON_RELEASE && button >= LEFT_BUTTON)
1256 button += LEFT_RELEASE - LEFT_BUTTON;
1258 if (!midend_process_key(fe->me, event->x - fe->ox,
1259 event->y - fe->oy, button))
1260 gtk_widget_destroy(fe->window);
1265 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
1268 frontend *fe = (frontend *)data;
1271 if (!backing_store_ok(fe))
1274 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
1275 button = MIDDLE_DRAG;
1276 else if (event->state & GDK_BUTTON1_MASK)
1278 else if (event->state & GDK_BUTTON3_MASK)
1279 button = RIGHT_DRAG;
1281 return FALSE; /* don't even know what button! */
1283 if (!midend_process_key(fe->me, event->x - fe->ox,
1284 event->y - fe->oy, button))
1285 gtk_widget_destroy(fe->window);
1286 #if GTK_CHECK_VERSION(2,12,0)
1287 gdk_event_request_motions(event);
1289 gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
1295 #if GTK_CHECK_VERSION(3,0,0)
1296 static gint draw_area(GtkWidget *widget, cairo_t *cr, gpointer data)
1298 frontend *fe = (frontend *)data;
1299 GdkRectangle dirtyrect;
1301 gdk_cairo_get_clip_rectangle(cr, &dirtyrect);
1302 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1303 cairo_rectangle(cr, dirtyrect.x, dirtyrect.y,
1304 dirtyrect.width, dirtyrect.height);
1310 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
1313 frontend *fe = (frontend *)data;
1315 if (backing_store_ok(fe)) {
1316 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1317 cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
1318 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1319 cairo_rectangle(cr, event->area.x, event->area.y,
1320 event->area.width, event->area.height);
1324 repaint_rectangle(fe, widget,
1325 event->area.x, event->area.y,
1326 event->area.width, event->area.height);
1333 static gint map_window(GtkWidget *widget, GdkEvent *event,
1336 frontend *fe = (frontend *)data;
1339 * Apparently we need to do this because otherwise the status
1340 * bar will fail to update immediately. Annoying, but there we
1343 gtk_widget_queue_draw(fe->window);
1348 static gint configure_area(GtkWidget *widget,
1349 GdkEventConfigure *event, gpointer data)
1351 frontend *fe = (frontend *)data;
1353 int oldw = fe->w, oldpw = fe->pw, oldh = fe->h, oldph = fe->ph;
1359 midend_size(fe->me, &x, &y, TRUE);
1362 fe->ox = (fe->w - fe->pw) / 2;
1363 fe->oy = (fe->h - fe->ph) / 2;
1365 if (oldw != fe->w || oldpw != fe->pw ||
1366 oldh != fe->h || oldph != fe->ph || !backing_store_ok(fe)) {
1367 if (backing_store_ok(fe))
1368 teardown_backing_store(fe);
1369 setup_backing_store(fe);
1372 midend_force_redraw(fe->me);
1377 static gint timer_func(gpointer data)
1379 frontend *fe = (frontend *)data;
1381 if (fe->timer_active) {
1384 gettimeofday(&now, NULL);
1385 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
1386 (now.tv_sec - fe->last_time.tv_sec));
1387 midend_timer(fe->me, elapsed); /* may clear timer_active */
1388 fe->last_time = now;
1391 return fe->timer_active;
1394 void deactivate_timer(frontend *fe)
1397 return; /* can happen due to --generate */
1398 if (fe->timer_active)
1399 g_source_remove(fe->timer_id);
1400 fe->timer_active = FALSE;
1403 void activate_timer(frontend *fe)
1406 return; /* can happen due to --generate */
1407 if (!fe->timer_active) {
1408 fe->timer_id = g_timeout_add(20, timer_func, fe);
1409 gettimeofday(&fe->last_time, NULL);
1411 fe->timer_active = TRUE;
1414 static void window_destroy(GtkWidget *widget, gpointer data)
1419 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1421 GObject *cancelbutton = G_OBJECT(data);
1424 * `Escape' effectively clicks the cancel button
1426 if (event->keyval == GDK_KEY_Escape) {
1427 g_signal_emit_by_name(cancelbutton, "clicked");
1434 enum { MB_OK, MB_YESNO };
1436 static void align_label(GtkLabel *label, double x, double y)
1438 #if GTK_CHECK_VERSION(3,16,0)
1439 gtk_label_set_xalign(label, x);
1440 gtk_label_set_yalign(label, y);
1441 #elif GTK_CHECK_VERSION(3,14,0)
1442 gtk_widget_set_halign(GTK_WIDGET(label),
1443 x == 0 ? GTK_ALIGN_START :
1444 x == 1 ? GTK_ALIGN_END : GTK_ALIGN_CENTER);
1445 gtk_widget_set_valign(GTK_WIDGET(label),
1446 y == 0 ? GTK_ALIGN_START :
1447 y == 1 ? GTK_ALIGN_END : GTK_ALIGN_CENTER);
1449 gtk_misc_set_alignment(GTK_MISC(label), x, y);
1453 #if GTK_CHECK_VERSION(3,0,0)
1454 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1460 window = gtk_message_dialog_new
1461 (GTK_WINDOW(parent),
1462 (GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT),
1463 (type == MB_OK ? GTK_MESSAGE_INFO : GTK_MESSAGE_QUESTION),
1464 (type == MB_OK ? GTK_BUTTONS_OK : GTK_BUTTONS_YES_NO),
1466 gtk_window_set_title(GTK_WINDOW(window), title);
1467 ret = gtk_dialog_run(GTK_DIALOG(window));
1468 gtk_widget_destroy(window);
1469 return (type == MB_OK ? TRUE : (ret == GTK_RESPONSE_YES));
1471 #else /* GTK_CHECK_VERSION(3,0,0) */
1472 static void msgbox_button_clicked(GtkButton *button, gpointer data)
1474 GtkWidget *window = GTK_WIDGET(data);
1477 ip = (int *)g_object_get_data(G_OBJECT(window), "user-data");
1478 v = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "user-data"));
1481 gtk_widget_destroy(GTK_WIDGET(data));
1484 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1487 GtkWidget *window, *hbox, *text, *button;
1491 window = gtk_dialog_new();
1492 text = gtk_label_new(msg);
1493 align_label(GTK_LABEL(text), 0.0, 0.0);
1494 hbox = gtk_hbox_new(FALSE, 0);
1495 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
1497 (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(window))),
1498 hbox, FALSE, FALSE, 20);
1499 gtk_widget_show(text);
1500 gtk_widget_show(hbox);
1501 gtk_window_set_title(GTK_WINDOW(window), title);
1502 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
1504 if (type == MB_OK) {
1505 titles = LABEL_OK "\0";
1508 assert(type == MB_YESNO);
1509 titles = LABEL_NO "\0" LABEL_YES "\0";
1516 button = gtk_button_new_with_our_label(titles);
1518 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(window))),
1519 button, FALSE, FALSE, 0);
1520 gtk_widget_show(button);
1522 gtk_widget_set_can_default(button, TRUE);
1523 gtk_window_set_default(GTK_WINDOW(window), button);
1526 g_signal_connect(G_OBJECT(window), "key_press_event",
1527 G_CALLBACK(win_key_press), button);
1529 g_signal_connect(G_OBJECT(button), "clicked",
1530 G_CALLBACK(msgbox_button_clicked), window);
1531 g_object_set_data(G_OBJECT(button), "user-data",
1532 GINT_TO_POINTER(i));
1533 titles += strlen(titles)+1;
1536 g_object_set_data(G_OBJECT(window), "user-data", &i);
1537 g_signal_connect(G_OBJECT(window), "destroy",
1538 G_CALLBACK(window_destroy), NULL);
1539 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
1540 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
1541 /* set_transient_window_pos(parent, window); */
1542 gtk_widget_show(window);
1545 return (type == MB_YESNO ? i == 1 : TRUE);
1547 #endif /* GTK_CHECK_VERSION(3,0,0) */
1549 void error_box(GtkWidget *parent, char *msg)
1551 message_box(parent, "Error", msg, FALSE, MB_OK);
1554 static void config_ok_button_clicked(GtkButton *button, gpointer data)
1556 frontend *fe = (frontend *)data;
1559 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
1562 error_box(fe->cfgbox, err);
1565 gtk_widget_destroy(fe->cfgbox);
1570 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
1572 frontend *fe = (frontend *)data;
1574 gtk_widget_destroy(fe->cfgbox);
1577 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
1580 * GtkEntry has a nasty habit of eating the Return key, which
1581 * is unhelpful since it doesn't actually _do_ anything with it
1582 * (it calls gtk_widget_activate, but our edit boxes never need
1583 * activating). So I catch Return before GtkEntry sees it, and
1584 * pass it straight on to the parent widget. Effect: hitting
1585 * Return in an edit box will now activate the default button
1586 * in the dialog just like it will everywhere else.
1588 if (event->keyval == GDK_KEY_Return &&
1589 gtk_widget_get_parent(widget) != NULL) {
1591 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
1592 g_signal_emit_by_name(G_OBJECT(gtk_widget_get_parent(widget)),
1593 "key_press_event", event, &return_val);
1599 static void editbox_changed(GtkEditable *ed, gpointer data)
1601 config_item *i = (config_item *)data;
1604 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
1607 static void button_toggled(GtkToggleButton *tb, gpointer data)
1609 config_item *i = (config_item *)data;
1611 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
1614 static void droplist_sel(GtkComboBox *combo, gpointer data)
1616 config_item *i = (config_item *)data;
1618 i->ival = gtk_combo_box_get_active(combo);
1621 static int get_config(frontend *fe, int which)
1623 GtkWidget *w, *table, *cancel;
1624 GtkBox *content_box, *button_box;
1629 fe->cfg = midend_get_config(fe->me, which, &title);
1630 fe->cfg_which = which;
1633 #if GTK_CHECK_VERSION(3,0,0)
1634 /* GtkDialog isn't quite flexible enough */
1635 fe->cfgbox = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1636 content_box = GTK_BOX(gtk_vbox_new(FALSE, 8));
1637 g_object_set(G_OBJECT(content_box), "margin", 8, (const char *)NULL);
1638 gtk_widget_show(GTK_WIDGET(content_box));
1639 gtk_container_add(GTK_CONTAINER(fe->cfgbox), GTK_WIDGET(content_box));
1640 button_box = GTK_BOX(gtk_hbox_new(FALSE, 8));
1641 gtk_widget_show(GTK_WIDGET(button_box));
1642 gtk_box_pack_end(content_box, GTK_WIDGET(button_box), FALSE, FALSE, 0);
1644 GtkWidget *sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
1645 gtk_widget_show(sep);
1646 gtk_box_pack_end(content_box, sep, FALSE, FALSE, 0);
1649 fe->cfgbox = gtk_dialog_new();
1650 content_box = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(fe->cfgbox)));
1651 button_box = GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox)));
1653 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
1656 w = gtk_button_new_with_our_label(LABEL_CANCEL);
1657 gtk_box_pack_end(button_box, w, FALSE, FALSE, 0);
1659 g_signal_connect(G_OBJECT(w), "clicked",
1660 G_CALLBACK(config_cancel_button_clicked), fe);
1663 w = gtk_button_new_with_our_label(LABEL_OK);
1664 gtk_box_pack_end(button_box, w, FALSE, FALSE, 0);
1666 gtk_widget_set_can_default(w, TRUE);
1667 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
1668 g_signal_connect(G_OBJECT(w), "clicked",
1669 G_CALLBACK(config_ok_button_clicked), fe);
1671 #if GTK_CHECK_VERSION(3,0,0)
1672 table = gtk_grid_new();
1674 table = gtk_table_new(1, 2, FALSE);
1677 gtk_box_pack_start(content_box, table, FALSE, FALSE, 0);
1678 gtk_widget_show(table);
1680 for (i = fe->cfg; i->type != C_END; i++) {
1681 #if !GTK_CHECK_VERSION(3,0,0)
1682 gtk_table_resize(GTK_TABLE(table), y+1, 2);
1688 * Edit box with a label beside it.
1691 w = gtk_label_new(i->name);
1692 align_label(GTK_LABEL(w), 0.0, 0.5);
1693 #if GTK_CHECK_VERSION(3,0,0)
1694 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1696 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1697 GTK_SHRINK | GTK_FILL,
1698 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1703 w = gtk_entry_new();
1704 #if GTK_CHECK_VERSION(3,0,0)
1705 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1706 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1708 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1709 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1710 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1713 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
1714 g_signal_connect(G_OBJECT(w), "changed",
1715 G_CALLBACK(editbox_changed), i);
1716 g_signal_connect(G_OBJECT(w), "key_press_event",
1717 G_CALLBACK(editbox_key), NULL);
1726 w = gtk_check_button_new_with_label(i->name);
1727 g_signal_connect(G_OBJECT(w), "toggled",
1728 G_CALLBACK(button_toggled), i);
1729 #if GTK_CHECK_VERSION(3,0,0)
1730 gtk_grid_attach(GTK_GRID(table), w, 0, y, 2, 1);
1731 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1733 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
1734 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1735 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1738 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
1744 * Drop-down list (GtkComboBox).
1747 w = gtk_label_new(i->name);
1748 align_label(GTK_LABEL(w), 0.0, 0.5);
1749 #if GTK_CHECK_VERSION(3,0,0)
1750 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1752 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1753 GTK_SHRINK | GTK_FILL,
1754 GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
1762 GtkListStore *model;
1763 GtkCellRenderer *cr;
1766 model = gtk_list_store_new(1, G_TYPE_STRING);
1773 while (*q && *q != c)
1776 name = snewn(q-p+1, char);
1777 strncpy(name, p, q-p);
1780 if (*q) q++; /* eat delimiter */
1782 gtk_list_store_append(model, &iter);
1783 gtk_list_store_set(model, &iter, 0, name, -1);
1788 w = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
1790 gtk_combo_box_set_active(GTK_COMBO_BOX(w), i->ival);
1792 cr = gtk_cell_renderer_text_new();
1793 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(w), cr, TRUE);
1794 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(w), cr,
1797 g_signal_connect(G_OBJECT(w), "changed",
1798 G_CALLBACK(droplist_sel), i);
1801 #if GTK_CHECK_VERSION(3,0,0)
1802 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1803 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1805 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1806 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1807 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1817 g_signal_connect(G_OBJECT(fe->cfgbox), "destroy",
1818 G_CALLBACK(window_destroy), NULL);
1819 g_signal_connect(G_OBJECT(fe->cfgbox), "key_press_event",
1820 G_CALLBACK(win_key_press), cancel);
1821 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1822 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1823 GTK_WINDOW(fe->window));
1824 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1825 gtk_widget_show(fe->cfgbox);
1833 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1835 frontend *fe = (frontend *)data;
1836 int key = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
1838 if (!midend_process_key(fe->me, 0, 0, key))
1839 gtk_widget_destroy(fe->window);
1842 static void get_size(frontend *fe, int *px, int *py)
1847 * Currently I don't want to make the GTK port scale large
1848 * puzzles to fit on the screen. This is because X does permit
1849 * extremely large windows and many window managers provide a
1850 * means of navigating round them, and the users I consulted
1851 * before deciding said that they'd rather have enormous puzzle
1852 * windows spanning multiple screen pages than have them
1853 * shrunk. I could change my mind later or introduce
1854 * configurability; this would be the place to do so, by
1855 * replacing the initial values of x and y with the screen
1860 midend_size(fe->me, &x, &y, FALSE);
1865 #if !GTK_CHECK_VERSION(2,0,0)
1866 #define gtk_window_resize(win, x, y) \
1867 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1871 * Called when any other code in this file has changed the
1872 * selected game parameters.
1874 static void changed_preset(frontend *fe)
1876 int n = midend_which_preset(fe->me);
1878 fe->preset_threaded = TRUE;
1879 if (n < 0 && fe->preset_custom) {
1880 gtk_check_menu_item_set_active(
1881 GTK_CHECK_MENU_ITEM(fe->preset_custom),
1884 GSList *gs = fe->preset_radio;
1885 GSList *found = NULL;
1887 for (gs = fe->preset_radio; gs; gs = gs->next) {
1888 struct preset_menu_entry *entry =
1889 (struct preset_menu_entry *)g_object_get_data(
1890 G_OBJECT(gs->data), "user-data");
1892 if (entry && entry->id != n)
1893 gtk_check_menu_item_set_active(
1894 GTK_CHECK_MENU_ITEM(gs->data), FALSE);
1899 gtk_check_menu_item_set_active(
1900 GTK_CHECK_MENU_ITEM(found->data), FALSE);
1902 fe->preset_threaded = FALSE;
1905 * Update the greying on the Copy menu option.
1907 if (fe->copy_menu_item) {
1908 int enabled = midend_can_format_as_text_now(fe->me);
1909 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1913 #if !GTK_CHECK_VERSION(3,0,0)
1914 static gboolean not_size_allocated_yet(GtkWidget *w)
1917 * This function tests whether a widget has not yet taken up space
1918 * on the screen which it will occupy in future. (Therefore, it
1919 * returns true only if the widget does exist but does not have a
1920 * size allocation. A null widget is already taking up all the
1921 * space it ever will.)
1924 return FALSE; /* nonexistent widgets aren't a problem */
1926 #if GTK_CHECK_VERSION(2,18,0) /* skip if no gtk_widget_get_allocation */
1929 gtk_widget_get_allocation(w, &a);
1930 if (a.height == 0 || a.width == 0)
1931 return TRUE; /* widget exists but has no size yet */
1938 static void try_shrink_drawing_area(frontend *fe)
1940 if (fe->drawing_area_shrink_pending &&
1941 (!fe->menubar_is_local || !not_size_allocated_yet(fe->menubar)) &&
1942 !not_size_allocated_yet(fe->statusbar)) {
1944 * In order to permit the user to resize the window smaller as
1945 * well as bigger, we call this function after the window size
1946 * has ended up where we want it. This shouldn't shrink the
1947 * window immediately; it just arranges that the next time the
1948 * user tries to shrink it, they can.
1950 * However, at puzzle creation time, we defer the first of
1951 * these operations until after the menu bar and status bar
1952 * are actually visible. On Ubuntu 12.04 I've found that these
1953 * can take a while to be displayed, and that it's a mistake
1954 * to reduce the drawing area's size allocation before they've
1955 * turned up or else the drawing area makes room for them by
1956 * shrinking to less than the size we intended.
1958 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1959 fe->drawing_area_shrink_pending = FALSE;
1962 #endif /* !GTK_CHECK_VERSION(3,0,0) */
1964 static gint configure_window(GtkWidget *widget,
1965 GdkEventConfigure *event, gpointer data)
1967 #if !GTK_CHECK_VERSION(3,0,0)
1969 * When the main puzzle window changes size, it might be because
1970 * the menu bar or status bar has turned up after starting off
1971 * absent, in which case we should have another go at enacting a
1972 * pending shrink of the drawing area.
1974 frontend *fe = (frontend *)data;
1975 try_shrink_drawing_area(fe);
1980 #if GTK_CHECK_VERSION(3,0,0)
1981 static int window_extra_height(frontend *fe)
1986 gtk_widget_get_preferred_size(fe->menubar, &req, NULL);
1989 if (fe->statusbar) {
1991 gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
1998 static void resize_fe(frontend *fe)
2002 get_size(fe, &x, &y);
2004 #if GTK_CHECK_VERSION(3,0,0)
2005 gtk_window_resize(GTK_WINDOW(fe->window), x, y + window_extra_height(fe));
2007 fe->drawing_area_shrink_pending = FALSE;
2008 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
2011 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
2012 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
2014 fe->drawing_area_shrink_pending = TRUE;
2015 try_shrink_drawing_area(fe);
2019 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
2021 frontend *fe = (frontend *)data;
2022 struct preset_menu_entry *entry =
2023 (struct preset_menu_entry *)g_object_get_data(
2024 G_OBJECT(menuitem), "user-data");
2026 if (fe->preset_threaded ||
2027 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
2028 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
2030 midend_set_params(fe->me, entry->params);
2031 midend_new_game(fe->me);
2034 midend_redraw(fe->me);
2037 GdkAtom compound_text_atom, utf8_string_atom;
2038 int paste_initialised = FALSE;
2040 static void set_selection(frontend *fe, GdkAtom selection)
2042 if (!paste_initialised) {
2043 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
2044 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
2045 paste_initialised = TRUE;
2049 * For this simple application we can safely assume that the
2050 * data passed to this function is pure ASCII, which means we
2051 * can return precisely the same stuff for types STRING,
2052 * COMPOUND_TEXT or UTF8_STRING.
2055 if (gtk_selection_owner_set(fe->area, selection, CurrentTime)) {
2056 gtk_selection_clear_targets(fe->area, selection);
2057 gtk_selection_add_target(fe->area, selection,
2058 GDK_SELECTION_TYPE_STRING, 1);
2059 gtk_selection_add_target(fe->area, selection, compound_text_atom, 1);
2060 gtk_selection_add_target(fe->area, selection, utf8_string_atom, 1);
2064 void write_clip(frontend *fe, char *data)
2067 sfree(fe->paste_data);
2069 fe->paste_data = data;
2070 fe->paste_data_len = strlen(data);
2072 set_selection(fe, GDK_SELECTION_PRIMARY);
2073 set_selection(fe, GDK_SELECTION_CLIPBOARD);
2076 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
2077 guint info, guint time_stamp, gpointer data)
2079 frontend *fe = (frontend *)data;
2080 gtk_selection_data_set(seldata, gtk_selection_data_get_target(seldata), 8,
2081 fe->paste_data, fe->paste_data_len);
2084 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
2087 frontend *fe = (frontend *)data;
2090 sfree(fe->paste_data);
2091 fe->paste_data = NULL;
2092 fe->paste_data_len = 0;
2096 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
2098 frontend *fe = (frontend *)data;
2101 text = midend_text_format(fe->me);
2104 write_clip(fe, text);
2112 static void filesel_ok(GtkButton *button, gpointer data)
2114 frontend *fe = (frontend *)data;
2116 gpointer filesel = g_object_get_data(G_OBJECT(button), "user-data");
2119 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
2121 fe->filesel_name = dupstr(name);
2124 static char *file_selector(frontend *fe, char *title, int save)
2126 GtkWidget *filesel =
2127 gtk_file_selection_new(title);
2129 fe->filesel_name = NULL;
2131 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
2133 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
2136 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2137 G_CALLBACK(filesel_ok), fe);
2138 g_signal_connect_swapped
2139 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2140 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2141 g_signal_connect_object
2142 (G_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
2143 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2144 g_signal_connect(G_OBJECT(filesel), "destroy",
2145 G_CALLBACK(window_destroy), NULL);
2146 gtk_widget_show(filesel);
2147 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
2150 return fe->filesel_name;
2155 static char *file_selector(frontend *fe, char *title, int save)
2157 char *filesel_name = NULL;
2159 GtkWidget *filesel =
2160 gtk_file_chooser_dialog_new(title,
2161 GTK_WINDOW(fe->window),
2162 save ? GTK_FILE_CHOOSER_ACTION_SAVE :
2163 GTK_FILE_CHOOSER_ACTION_OPEN,
2164 LABEL_CANCEL, GTK_RESPONSE_CANCEL,
2165 save ? LABEL_SAVE : LABEL_OPEN,
2166 GTK_RESPONSE_ACCEPT,
2169 if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
2170 char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
2171 filesel_name = dupstr(name);
2175 gtk_widget_destroy(filesel);
2177 return filesel_name;
2182 struct savefile_write_ctx {
2187 static void savefile_write(void *wctx, void *buf, int len)
2189 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
2190 if (fwrite(buf, 1, len, ctx->fp) < len)
2194 static int savefile_read(void *wctx, void *buf, int len)
2196 FILE *fp = (FILE *)wctx;
2199 ret = fread(buf, 1, len, fp);
2200 return (ret == len);
2203 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
2205 frontend *fe = (frontend *)data;
2208 name = file_selector(fe, "Enter name of game file to save", TRUE);
2213 if ((fp = fopen(name, "r")) != NULL) {
2214 char buf[256 + FILENAME_MAX];
2218 sprintf(buf, "Are you sure you want to overwrite the"
2220 FILENAME_MAX, name);
2221 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
2222 goto free_and_return;
2225 fp = fopen(name, "w");
2228 error_box(fe->window, "Unable to open save file");
2229 goto free_and_return;
2233 struct savefile_write_ctx ctx;
2236 midend_serialise(fe->me, savefile_write, &ctx);
2240 sprintf(boxmsg, "Error writing save file: %.400s",
2242 error_box(fe->window, boxmsg);
2243 goto free_and_return;
2251 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
2253 frontend *fe = (frontend *)data;
2256 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
2259 FILE *fp = fopen(name, "r");
2263 error_box(fe->window, "Unable to open saved game file");
2267 err = midend_deserialise(fe->me, savefile_read, fp);
2272 error_box(fe->window, err);
2278 midend_redraw(fe->me);
2282 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
2284 frontend *fe = (frontend *)data;
2287 msg = midend_solve(fe->me);
2290 error_box(fe->window, msg);
2293 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
2295 frontend *fe = (frontend *)data;
2297 midend_restart_game(fe->me);
2300 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
2302 frontend *fe = (frontend *)data;
2303 int which = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
2306 if (fe->preset_threaded ||
2307 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
2308 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
2310 changed_preset(fe); /* Put the old preset back! */
2311 if (!get_config(fe, which))
2314 midend_new_game(fe->me);
2316 midend_redraw(fe->me);
2319 #ifndef HELP_BROWSER_PATH
2320 #define HELP_BROWSER_PATH "xdg-open:sensible-browser"
2323 static void show_help(frontend *fe, const char *topic)
2325 const char *list = HELP_BROWSER_PATH;
2326 char path[PATH_MAX + 1];
2334 * Search for help file, trying:
2335 * 1. Version for this locale, ignoring encoding (HTML browsers
2336 * must handle multiple encodings)
2337 * 2. Version for this locale, ignoring encoding and country
2338 * 3. English version
2340 lang[0].s = setlocale(LC_MESSAGES, NULL);
2341 lang[0].len = strcspn(lang[0].s, ".@");
2342 lang[1].s = lang[0].s;
2343 lang[1].len = strcspn(lang[1].s, "_");
2344 if (lang[1].len > lang[0].len)
2345 lang[1].len = lang[0].len;
2348 for (i = 0; i < lenof(lang); i++) {
2349 sprintf(path, "%s/sgt-puzzles/help/%.*s/%s.html",
2350 SHAREDIR, lang[i].len, lang[i].s, topic);
2351 if (access(path, R_OK) == 0)
2354 if (i == lenof(lang)) {
2355 error_box(fe->window, "Help file is not installed");
2361 char buf[PATH_MAX + 1];
2362 const char *command;
2363 const char *argv[3];
2365 len = strcspn(list, ":");
2366 if (len <= PATH_MAX) {
2367 memcpy(buf, list, len);
2370 command = getenv(buf + 1);
2377 if (g_spawn_async(NULL, (char **)argv, NULL,
2378 G_SPAWN_SEARCH_PATH,
2379 NULL, NULL, NULL, NULL))
2389 error_box(fe->window, "Failed to start a help browser");
2392 static void menu_help_contents_event(GtkMenuItem *menuitem, gpointer data)
2394 show_help((frontend *)data, "index");
2397 static void menu_help_specific_event(GtkMenuItem *menuitem, gpointer data)
2399 show_help((frontend *)data, thegame.htmlhelp_topic);
2402 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
2404 frontend *fe = (frontend *)data;
2406 #if GTK_CHECK_VERSION(3,0,0)
2407 extern char *const *const xpm_icons[];
2408 extern const int n_xpm_icons;
2409 GdkPixbuf *icon = gdk_pixbuf_new_from_xpm_data
2410 ((const gchar **)xpm_icons[n_xpm_icons-1]);
2411 gtk_show_about_dialog
2412 (GTK_WINDOW(fe->window),
2413 "program-name", thegame.name,
2415 "comments", "Part of Simon Tatham's Portable Puzzle Collection",
2417 (const gchar *)NULL);
2418 g_object_unref(G_OBJECT(icon));
2423 sprintf(titlebuf, "About %.200s", thegame.name);
2426 "from Simon Tatham's Portable Puzzle Collection\n\n"
2427 "%.500s", thegame.name, ver);
2429 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
2433 static GtkWidget *add_menu_ui_item(
2434 frontend *fe, GtkContainer *cont, char *text, int action,
2435 int accel_key, int accel_keyqual)
2437 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
2438 gtk_container_add(cont, menuitem);
2439 g_object_set_data(G_OBJECT(menuitem), "user-data",
2440 GINT_TO_POINTER(action));
2441 g_signal_connect(G_OBJECT(menuitem), "activate",
2442 G_CALLBACK(menu_key_event), fe);
2446 * Display a keyboard accelerator alongside this menu item.
2447 * Actually this won't be processed via the usual GTK
2448 * accelerator system, because we add it to a dummy
2449 * accelerator group which is never actually activated on the
2450 * main window; this permits back ends to override special
2451 * keys like 'n' and 'r' and 'u' in some UI states. So
2452 * whatever keystroke we display here will still go to
2453 * key_event and be handled in the normal way.
2455 gtk_widget_add_accelerator(menuitem,
2456 "activate", fe->dummy_accelgroup,
2457 accel_key, accel_keyqual,
2458 GTK_ACCEL_VISIBLE | GTK_ACCEL_LOCKED);
2461 gtk_widget_show(menuitem);
2465 static void add_menu_separator(GtkContainer *cont)
2467 GtkWidget *menuitem = gtk_menu_item_new();
2468 gtk_container_add(cont, menuitem);
2469 gtk_widget_show(menuitem);
2472 static void populate_gtk_preset_menu(frontend *fe, struct preset_menu *menu,
2477 for (i = 0; i < menu->n_entries; i++) {
2478 struct preset_menu_entry *entry = &menu->entries[i];
2479 GtkWidget *menuitem;
2481 if (entry->params) {
2482 menuitem = gtk_radio_menu_item_new_with_label(
2483 fe->preset_radio, entry->title);
2484 fe->preset_radio = gtk_radio_menu_item_get_group(
2485 GTK_RADIO_MENU_ITEM(menuitem));
2486 g_object_set_data(G_OBJECT(menuitem), "user-data", entry);
2487 g_signal_connect(G_OBJECT(menuitem), "activate",
2488 G_CALLBACK(menu_preset_event), fe);
2491 menuitem = gtk_menu_item_new_with_label(entry->title);
2492 submenu = gtk_menu_new();
2493 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
2494 populate_gtk_preset_menu(fe, entry->submenu, submenu);
2497 gtk_container_add(GTK_CONTAINER(gtkmenu), menuitem);
2498 gtk_widget_show(menuitem);
2502 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
2504 static frontend *new_window(char *arg, int argtype, char **error)
2507 GtkBox *vbox, *hbox;
2508 GtkWidget *menu, *menuitem;
2512 extern char *const *const xpm_icons[];
2513 extern const int n_xpm_icons;
2514 struct preset_menu *preset_menu;
2516 fe = snew(frontend);
2517 #if GTK_CHECK_VERSION(3,20,0)
2518 fe->css_provider = NULL;
2521 fe->timer_active = FALSE;
2524 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
2534 err = midend_game_id(fe->me, arg);
2536 midend_new_game(fe->me);
2538 sprintf(errbuf, "Invalid game ID: %.800s", err);
2541 fp = fopen(arg, "r");
2543 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
2545 err = midend_deserialise(fe->me, savefile_read, fp);
2547 sprintf(errbuf, "Invalid save file: %.800s", err);
2551 default /*case ARG_EITHER*/:
2553 * First try treating the argument as a game ID.
2555 err = midend_game_id(fe->me, arg);
2558 * It's a valid game ID.
2560 midend_new_game(fe->me);
2562 FILE *fp = fopen(arg, "r");
2564 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
2565 " nor a save file (%.400s)", err, strerror(errno));
2567 err = midend_deserialise(fe->me, savefile_read, fp);
2569 sprintf(errbuf, "%.800s", err);
2576 *error = dupstr(errbuf);
2577 midend_free(fe->me);
2583 midend_new_game(fe->me);
2586 #if !GTK_CHECK_VERSION(3,0,0)
2589 * try_shrink_drawing_area() will do some fiddling with the
2590 * window size request (see comment in that function) after
2591 * all the bits and pieces such as the menu bar and status bar
2592 * have appeared in the puzzle window.
2594 * However, on Unity systems, the menu bar _doesn't_ appear in
2595 * the puzzle window, because the Unity shell hijacks it into
2596 * the menu bar at the very top of the screen. We therefore
2597 * try to detect that situation here, so that we don't sit
2598 * here forever waiting for a menu bar.
2600 const char prop[] = "gtk-shell-shows-menubar";
2601 GtkSettings *settings = gtk_settings_get_default();
2602 if (!g_object_class_find_property(G_OBJECT_GET_CLASS(settings),
2604 fe->menubar_is_local = TRUE;
2607 g_object_get(gtk_settings_get_default(),
2609 (const gchar *)NULL);
2610 fe->menubar_is_local = !unity_mode;
2615 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2616 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
2618 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
2619 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
2620 gtk_widget_show(GTK_WIDGET(vbox));
2622 fe->dummy_accelgroup = gtk_accel_group_new();
2624 * Intentionally _not_ added to the window via
2625 * gtk_window_add_accel_group; see menu_key_event
2628 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2629 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2630 gtk_widget_show(GTK_WIDGET(hbox));
2632 fe->menubar = gtk_menu_bar_new();
2633 gtk_box_pack_start(hbox, fe->menubar, TRUE, TRUE, 0);
2634 gtk_widget_show(fe->menubar);
2636 menuitem = gtk_menu_item_new_with_mnemonic("_Game");
2637 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2638 gtk_widget_show(menuitem);
2640 menu = gtk_menu_new();
2641 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2643 add_menu_ui_item(fe, GTK_CONTAINER(menu), "New", UI_NEWGAME, 'n', 0);
2645 menuitem = gtk_menu_item_new_with_label("Restart");
2646 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2647 g_signal_connect(G_OBJECT(menuitem), "activate",
2648 G_CALLBACK(menu_restart_event), fe);
2649 gtk_widget_show(menuitem);
2651 menuitem = gtk_menu_item_new_with_label("Specific...");
2652 g_object_set_data(G_OBJECT(menuitem), "user-data",
2653 GINT_TO_POINTER(CFG_DESC));
2654 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2655 g_signal_connect(G_OBJECT(menuitem), "activate",
2656 G_CALLBACK(menu_config_event), fe);
2657 gtk_widget_show(menuitem);
2659 menuitem = gtk_menu_item_new_with_label("Random Seed...");
2660 g_object_set_data(G_OBJECT(menuitem), "user-data",
2661 GINT_TO_POINTER(CFG_SEED));
2662 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2663 g_signal_connect(G_OBJECT(menuitem), "activate",
2664 G_CALLBACK(menu_config_event), fe);
2665 gtk_widget_show(menuitem);
2667 fe->preset_radio = NULL;
2668 fe->preset_custom = NULL;
2669 fe->preset_threaded = FALSE;
2671 preset_menu = midend_get_presets(fe->me, NULL);
2672 if (preset_menu->n_entries > 0 || thegame.can_configure) {
2675 menuitem = gtk_menu_item_new_with_mnemonic("_Type");
2676 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2677 gtk_widget_show(menuitem);
2679 submenu = gtk_menu_new();
2680 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
2682 populate_gtk_preset_menu(fe, preset_menu, submenu);
2684 if (thegame.can_configure) {
2685 menuitem = fe->preset_custom =
2686 gtk_radio_menu_item_new_with_label(fe->preset_radio,
2689 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2690 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2691 g_object_set_data(G_OBJECT(menuitem), "user-data",
2692 GINT_TO_POINTER(CFG_SETTINGS));
2693 g_signal_connect(G_OBJECT(menuitem), "activate",
2694 G_CALLBACK(menu_config_event), fe);
2695 gtk_widget_show(menuitem);
2700 add_menu_separator(GTK_CONTAINER(menu));
2701 menuitem = gtk_menu_item_new_with_label("Load...");
2702 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2703 g_signal_connect(G_OBJECT(menuitem), "activate",
2704 G_CALLBACK(menu_load_event), fe);
2705 gtk_widget_show(menuitem);
2706 menuitem = gtk_menu_item_new_with_label("Save...");
2707 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2708 g_signal_connect(G_OBJECT(menuitem), "activate",
2709 G_CALLBACK(menu_save_event), fe);
2710 gtk_widget_show(menuitem);
2711 #ifndef STYLUS_BASED
2712 add_menu_separator(GTK_CONTAINER(menu));
2713 add_menu_ui_item(fe, GTK_CONTAINER(menu), "Undo", UI_UNDO, 'u', 0);
2714 add_menu_ui_item(fe, GTK_CONTAINER(menu), "Redo", UI_REDO, 'r', 0);
2716 if (thegame.can_format_as_text_ever) {
2717 add_menu_separator(GTK_CONTAINER(menu));
2718 menuitem = gtk_menu_item_new_with_label("Copy");
2719 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2720 g_signal_connect(G_OBJECT(menuitem), "activate",
2721 G_CALLBACK(menu_copy_event), fe);
2722 gtk_widget_show(menuitem);
2723 fe->copy_menu_item = menuitem;
2725 fe->copy_menu_item = NULL;
2727 if (thegame.can_solve) {
2728 add_menu_separator(GTK_CONTAINER(menu));
2729 menuitem = gtk_menu_item_new_with_label("Solve");
2730 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2731 g_signal_connect(G_OBJECT(menuitem), "activate",
2732 G_CALLBACK(menu_solve_event), fe);
2733 gtk_widget_show(menuitem);
2735 add_menu_separator(GTK_CONTAINER(menu));
2736 add_menu_ui_item(fe, GTK_CONTAINER(menu), "Exit", UI_QUIT, 'q', 0);
2738 menuitem = gtk_menu_item_new_with_mnemonic("_Help");
2739 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2740 gtk_widget_show(menuitem);
2742 menu = gtk_menu_new();
2743 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2745 menuitem = gtk_menu_item_new_with_label("Contents");
2746 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2747 g_signal_connect(G_OBJECT(menuitem), "activate",
2748 G_CALLBACK(menu_help_contents_event), fe);
2749 gtk_widget_show(menuitem);
2751 if (thegame.htmlhelp_topic) {
2753 assert(thegame.name);
2754 item = snewn(9+strlen(thegame.name), char); /*ick*/
2755 sprintf(item, "Help on %s", thegame.name);
2756 menuitem = gtk_menu_item_new_with_label(item);
2758 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2759 g_signal_connect(G_OBJECT(menuitem), "activate",
2760 G_CALLBACK(menu_help_specific_event), fe);
2761 gtk_widget_show(menuitem);
2764 menuitem = gtk_menu_item_new_with_label("About");
2765 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2766 g_signal_connect(G_OBJECT(menuitem), "activate",
2767 G_CALLBACK(menu_about_event), fe);
2768 gtk_widget_show(menuitem);
2771 menuitem=gtk_button_new_with_mnemonic("_Redo");
2772 g_object_set_data(G_OBJECT(menuitem), "user-data",
2773 GINT_TO_POINTER(UI_REDO));
2774 g_signal_connect(G_OBJECT(menuitem), "clicked",
2775 G_CALLBACK(menu_key_event), fe);
2776 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2777 gtk_widget_show(menuitem);
2779 menuitem=gtk_button_new_with_mnemonic("_Undo");
2780 g_object_set_data(G_OBJECT(menuitem), "user-data",
2781 GINT_TO_POINTER(UI_UNDO));
2782 g_signal_connect(G_OBJECT(menuitem), "clicked",
2783 G_CALLBACK(menu_key_event), fe);
2784 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2785 gtk_widget_show(menuitem);
2787 if (thegame.flags & REQUIRE_NUMPAD) {
2788 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2789 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2790 gtk_widget_show(GTK_WIDGET(hbox));
2794 for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
2795 menuitem=gtk_button_new_with_label(errbuf);
2796 g_object_set_data(G_OBJECT(menuitem), "user-data",
2797 GINT_TO_POINTER((int)(errbuf[0])));
2798 g_signal_connect(G_OBJECT(menuitem), "clicked",
2799 G_CALLBACK(menu_key_event), fe);
2800 gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0);
2801 gtk_widget_show(menuitem);
2804 #endif /* STYLUS_BASED */
2808 snaffle_colours(fe);
2810 if (midend_wants_statusbar(fe->me)) {
2811 GtkWidget *viewport;
2814 viewport = gtk_viewport_new(NULL, NULL);
2815 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
2816 fe->statusbar = gtk_statusbar_new();
2817 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
2818 gtk_widget_show(viewport);
2819 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
2820 gtk_widget_show(fe->statusbar);
2821 fe->statusctx = gtk_statusbar_get_context_id
2822 (GTK_STATUSBAR(fe->statusbar), "game");
2823 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
2824 DEFAULT_STATUSBAR_TEXT);
2825 #if GTK_CHECK_VERSION(3,0,0)
2826 gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
2828 gtk_widget_size_request(fe->statusbar, &req);
2830 gtk_widget_set_size_request(viewport, -1, req.height);
2832 fe->statusbar = NULL;
2834 fe->area = gtk_drawing_area_new();
2835 #if GTK_CHECK_VERSION(2,0,0) && !GTK_CHECK_VERSION(3,0,0)
2836 gtk_widget_set_double_buffered(fe->area, FALSE);
2840 geom.base_width = 0;
2841 #if GTK_CHECK_VERSION(3,0,0)
2842 geom.base_height = window_extra_height(fe);
2843 gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), NULL,
2844 &geom, GDK_HINT_BASE_SIZE);
2846 geom.base_height = 0;
2847 gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), fe->area,
2848 &geom, GDK_HINT_BASE_SIZE);
2853 get_size(fe, &x, &y);
2854 #if GTK_CHECK_VERSION(3,0,0)
2855 gtk_window_set_default_size(GTK_WINDOW(fe->window),
2856 x, y + window_extra_height(fe));
2858 fe->drawing_area_shrink_pending = FALSE;
2859 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
2862 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
2864 clear_backing_store(fe);
2866 fe->nfonts = fe->fontsize = 0;
2868 fe->paste_data = NULL;
2869 fe->paste_data_len = 0;
2871 g_signal_connect(G_OBJECT(fe->window), "destroy",
2872 G_CALLBACK(destroy), fe);
2873 g_signal_connect(G_OBJECT(fe->window), "key_press_event",
2874 G_CALLBACK(key_event), fe);
2875 g_signal_connect(G_OBJECT(fe->area), "button_press_event",
2876 G_CALLBACK(button_event), fe);
2877 g_signal_connect(G_OBJECT(fe->area), "button_release_event",
2878 G_CALLBACK(button_event), fe);
2879 g_signal_connect(G_OBJECT(fe->area), "motion_notify_event",
2880 G_CALLBACK(motion_event), fe);
2881 g_signal_connect(G_OBJECT(fe->area), "selection_get",
2882 G_CALLBACK(selection_get), fe);
2883 g_signal_connect(G_OBJECT(fe->area), "selection_clear_event",
2884 G_CALLBACK(selection_clear), fe);
2885 #if GTK_CHECK_VERSION(3,0,0)
2886 g_signal_connect(G_OBJECT(fe->area), "draw",
2887 G_CALLBACK(draw_area), fe);
2889 g_signal_connect(G_OBJECT(fe->area), "expose_event",
2890 G_CALLBACK(expose_area), fe);
2892 g_signal_connect(G_OBJECT(fe->window), "map_event",
2893 G_CALLBACK(map_window), fe);
2894 g_signal_connect(G_OBJECT(fe->area), "configure_event",
2895 G_CALLBACK(configure_area), fe);
2896 g_signal_connect(G_OBJECT(fe->window), "configure_event",
2897 G_CALLBACK(configure_window), fe);
2899 gtk_widget_add_events(GTK_WIDGET(fe->area),
2900 GDK_BUTTON_PRESS_MASK |
2901 GDK_BUTTON_RELEASE_MASK |
2902 GDK_BUTTON_MOTION_MASK |
2903 GDK_POINTER_MOTION_HINT_MASK);
2906 gtk_window_set_icon(GTK_WINDOW(fe->window),
2907 gdk_pixbuf_new_from_xpm_data
2908 ((const gchar **)xpm_icons[0]));
2911 for (n = 0; n < n_xpm_icons; n++) {
2913 g_list_append(iconlist,
2914 gdk_pixbuf_new_from_xpm_data((const gchar **)
2917 gtk_window_set_icon_list(GTK_WINDOW(fe->window), iconlist);
2920 gtk_widget_show(fe->area);
2921 gtk_widget_show(fe->window);
2923 #if !GTK_CHECK_VERSION(3,0,0)
2924 fe->drawing_area_shrink_pending = TRUE;
2925 try_shrink_drawing_area(fe);
2928 set_window_background(fe, 0);
2933 char *fgetline(FILE *fp)
2935 char *ret = snewn(512, char);
2936 int size = 512, len = 0;
2937 while (fgets(ret + len, size - len, fp)) {
2938 len += strlen(ret + len);
2939 if (ret[len-1] == '\n')
2940 break; /* got a newline, we're done */
2942 ret = sresize(ret, size, char);
2944 if (len == 0) { /* first fgets returned NULL */
2952 static void list_presets_from_menu(struct preset_menu *menu)
2956 for (i = 0; i < menu->n_entries; i++) {
2957 if (menu->entries[i].params) {
2958 char *paramstr = thegame.encode_params(
2959 menu->entries[i].params, TRUE);
2960 printf("%s %s\n", paramstr, menu->entries[i].title);
2963 list_presets_from_menu(menu->entries[i].submenu);
2968 int main(int argc, char **argv)
2970 char *pname = argv[0];
2972 int ngenerate = 0, print = FALSE, px = 1, py = 1;
2973 int time_generation = FALSE, test_solve = FALSE, list_presets = FALSE;
2974 int soln = FALSE, colour = FALSE;
2976 float redo_proportion = 0.0F;
2977 char *savefile = NULL, *savesuffix = NULL;
2979 int argtype = ARG_EITHER;
2980 char *screenshot_file = NULL;
2981 int doing_opts = TRUE;
2987 * Command line parsing in this function is rather fiddly,
2988 * because GTK wants to have a go at argc/argv _first_ - and
2989 * yet we can't let it, because gtk_init() will bomb out if it
2990 * can't open an X display, whereas in fact we want to permit
2991 * our --generate and --print modes to run without an X
2995 * - we parse the command line ourselves, without modifying
2997 * - if we encounter an error which might plausibly be the
2998 * result of a GTK command line (i.e. not detailed errors in
2999 * particular options of ours) we store the error message
3000 * and terminate parsing.
3001 * - if we got enough out of the command line to know it
3002 * specifies a non-X mode of operation, we either display
3003 * the stored error and return failure, or if there is no
3004 * stored error we do the non-X operation and return
3006 * - otherwise, we go straight to gtk_init().
3012 if (doing_opts && !strcmp(p, "--version")) {
3013 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
3016 } else if (doing_opts && !strcmp(p, "--generate")) {
3018 ngenerate = atoi(*++av);
3020 fprintf(stderr, "%s: '--generate' expected a number\n",
3026 } else if (doing_opts && !strcmp(p, "--time-generation")) {
3027 time_generation = TRUE;
3028 } else if (doing_opts && !strcmp(p, "--test-solve")) {
3030 } else if (doing_opts && !strcmp(p, "--list-presets")) {
3031 list_presets = TRUE;
3032 } else if (doing_opts && !strcmp(p, "--save")) {
3036 fprintf(stderr, "%s: '--save' expected a filename\n",
3040 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
3041 !strcmp(p, "--savesuffix"))) {
3045 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
3049 } else if (doing_opts && !strcmp(p, "--print")) {
3050 if (!thegame.can_print) {
3051 fprintf(stderr, "%s: this game does not support printing\n",
3058 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
3059 fprintf(stderr, "%s: unable to parse argument '%s' to "
3060 "'--print'\n", pname, dim);
3066 } else if (doing_opts && !strcmp(p, "--scale")) {
3068 scale = atof(*++av);
3070 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
3074 } else if (doing_opts && !strcmp(p, "--redo")) {
3076 * This is an internal option which I don't expect
3077 * users to have any particular use for. The effect of
3078 * --redo is that once the game has been loaded and
3079 * initialised, the next move in the redo chain is
3080 * replayed, and the game screen is redrawn part way
3081 * through the making of the move. This is only
3082 * meaningful if there _is_ a next move in the redo
3083 * chain, which means in turn that this option is only
3084 * useful if you're also passing a save file on the
3087 * This option is used by the script which generates
3088 * the puzzle icons and website screenshots, and I
3089 * don't imagine it's useful for anything else.
3090 * (Unless, I suppose, users don't like my screenshots
3091 * and want to generate their own in the same way for
3092 * some repackaged version of the puzzles.)
3095 redo_proportion = atof(*++av);
3097 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
3101 } else if (doing_opts && !strcmp(p, "--screenshot")) {
3103 * Another internal option for the icon building
3104 * script. This causes a screenshot of the central
3105 * drawing area (i.e. not including the menu bar or
3106 * status bar) to be saved to a PNG file once the
3107 * window has been drawn, and then the application
3108 * quits immediately.
3111 screenshot_file = *++av;
3113 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
3117 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
3118 !strcmp(p, "--with-solution") ||
3119 !strcmp(p, "--with-solns") ||
3120 !strcmp(p, "--with-soln") ||
3121 !strcmp(p, "--solutions") ||
3122 !strcmp(p, "--solution") ||
3123 !strcmp(p, "--solns") ||
3124 !strcmp(p, "--soln"))) {
3126 } else if (doing_opts && !strcmp(p, "--colour")) {
3127 if (!thegame.can_print_in_colour) {
3128 fprintf(stderr, "%s: this game does not support colour"
3129 " printing\n", pname);
3133 } else if (doing_opts && !strcmp(p, "--load")) {
3135 } else if (doing_opts && !strcmp(p, "--game")) {
3137 } else if (doing_opts && !strcmp(p, "--")) {
3139 } else if (!doing_opts || p[0] != '-') {
3141 fprintf(stderr, "%s: more than one argument supplied\n",
3147 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
3154 * Special standalone mode for generating puzzle IDs on the
3155 * command line. Useful for generating puzzles to be printed
3156 * out and solved offline (for puzzles where that even makes
3157 * sense - Solo, for example, is a lot more pencil-and-paper
3158 * friendly than Twiddle!)
3162 * <puzzle-name> --generate [<n> [<params>]]
3164 * <n>, if present, is the number of puzzle IDs to generate.
3165 * <params>, if present, is the same type of parameter string
3166 * you would pass to the puzzle when running it in GUI mode,
3167 * including optional extras such as the expansion factor in
3168 * Rectangles and the difficulty level in Solo.
3170 * If you specify <params>, you must also specify <n> (although
3171 * you may specify it to be 1). Sorry; that was the
3172 * simplest-to-parse command-line syntax I came up with.
3174 if (ngenerate > 0 || print || savefile || savesuffix) {
3178 document *doc = NULL;
3181 * If we're in this branch, we should display any pending
3182 * error message from the command line, since GTK isn't going
3183 * to take another crack at making sense of it.
3186 fputs(errbuf, stderr);
3192 me = midend_new(NULL, &thegame, NULL, NULL);
3195 if (savefile && !savesuffix)
3197 if (!savefile && savesuffix)
3201 doc = document_new(px, py, scale);
3204 * In this loop, we either generate a game ID or read one
3205 * from stdin depending on whether we're in generate mode;
3206 * then we either write it to stdout or print it, depending
3207 * on whether we're in print mode. Thus, this loop handles
3208 * generate-to-stdout, print-from-stdin and generate-and-
3209 * immediately-print modes.
3211 * (It could also handle a copy-stdin-to-stdout mode,
3212 * although there's currently no combination of options
3213 * which will cause this loop to be activated in that mode.
3214 * It wouldn't be _entirely_ pointless, though, because
3215 * stdin could contain bare params strings or random-seed
3216 * IDs, and stdout would contain nothing but fully
3217 * generated descriptive game IDs.)
3219 while (ngenerate == 0 || i < n) {
3220 char *pstr, *err, *seed;
3221 struct rusage before, after;
3223 if (ngenerate == 0) {
3224 pstr = fgetline(stdin);
3227 pstr[strcspn(pstr, "\r\n")] = '\0';
3230 pstr = snewn(strlen(arg) + 40, char);
3233 if (i > 0 && strchr(arg, '#'))
3234 sprintf(pstr + strlen(pstr), "-%d", i);
3240 err = midend_game_id(me, pstr);
3242 fprintf(stderr, "%s: error parsing '%s': %s\n",
3248 if (time_generation)
3249 getrusage(RUSAGE_SELF, &before);
3251 midend_new_game(me);
3253 seed = midend_get_random_seed(me);
3255 if (time_generation) {
3258 getrusage(RUSAGE_SELF, &after);
3260 elapsed = (after.ru_utime.tv_sec -
3261 before.ru_utime.tv_sec);
3262 elapsed += (after.ru_utime.tv_usec -
3263 before.ru_utime.tv_usec) / 1000000.0;
3265 printf("%s %s: %.6f\n", thegame.name, seed, elapsed);
3268 if (test_solve && thegame.can_solve) {
3270 * Now destroy the aux_info in the midend, by means of
3271 * re-entering the same game id, and then try to solve
3274 char *game_id, *err;
3276 game_id = midend_get_game_id(me);
3277 err = midend_game_id(me, game_id);
3279 fprintf(stderr, "%s %s: game id re-entry error: %s\n",
3280 thegame.name, seed, err);
3283 midend_new_game(me);
3286 err = midend_solve(me);
3288 * If the solve operation returned the error "Solution
3289 * not known for this puzzle", that's OK, because that
3290 * just means it's a puzzle for which we don't have an
3291 * algorithmic solver and hence can't solve it without
3292 * the aux_info, e.g. Netslide. Any other error is a
3295 if (err && strcmp(err, "Solution not known for this puzzle")) {
3296 fprintf(stderr, "%s %s: solve error: %s\n",
3297 thegame.name, seed, err);
3306 err = midend_print_puzzle(me, doc, soln);
3308 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
3313 struct savefile_write_ctx ctx;
3314 char *realname = snewn(40 + strlen(savefile) +
3315 strlen(savesuffix), char);
3316 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
3319 char *err = midend_solve(me);
3321 fprintf(stderr, "%s: unable to show solution: %s\n",
3327 ctx.fp = fopen(realname, "w");
3329 fprintf(stderr, "%s: open: %s\n", realname,
3334 midend_serialise(me, savefile_write, &ctx);
3336 fprintf(stderr, "%s: write: %s\n", realname,
3337 strerror(ctx.error));
3340 if (fclose(ctx.fp)) {
3341 fprintf(stderr, "%s: close: %s\n", realname,
3347 if (!doc && !savefile && !time_generation) {
3348 id = midend_get_game_id(me);
3357 psdata *ps = ps_init(stdout, colour);
3358 document_print(doc, ps_drawing_api(ps));
3366 } else if (list_presets) {
3368 * Another specialist mode which causes the puzzle to list the
3369 * game_params strings for all its preset configurations.
3372 struct preset_menu *menu;
3374 me = midend_new(NULL, &thegame, NULL, NULL);
3375 menu = midend_get_presets(me, NULL);
3376 list_presets_from_menu(menu);
3382 gtk_init(&argc, &argv);
3384 fe = new_window(arg, argtype, &error);
3387 fprintf(stderr, "%s: %s\n", pname, error);
3391 if (screenshot_file) {
3393 * Some puzzles will not redraw their entire area if
3394 * given a partially completed animation, which means
3395 * we must redraw now and _then_ redraw again after
3396 * freezing the move timer.
3398 midend_force_redraw(fe->me);
3401 if (redo_proportion) {
3403 midend_process_key(fe->me, 0, 0, 'r');
3404 /* And freeze the timer at the specified position. */
3405 midend_freeze_timer(fe->me, redo_proportion);
3408 if (screenshot_file) {
3409 save_screenshot_png(fe, screenshot_file);