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 *accelgroup;
152 GtkWidget *statusbar;
158 const float *colours;
160 cairo_surface_t *image;
161 #ifndef USE_CAIRO_WITHOUT_PIXMAP
164 GdkColor background; /* for painting outside puzzle area */
170 int backgroundindex; /* which of colours[] is background */
173 int bbox_l, bbox_r, bbox_u, bbox_d;
174 int timer_active, timer_id;
175 struct timeval last_time;
177 int nfonts, fontsize;
179 int cfg_which, cfgret;
183 int pw, ph; /* pixmap size (w, h are area size) */
184 int ox, oy; /* offset of pixmap in drawing area */
188 GSList *preset_radio;
189 int n_preset_menu_items;
191 GtkWidget *preset_custom;
192 GtkWidget *copy_menu_item;
193 #if !GTK_CHECK_VERSION(3,0,0)
194 int drawing_area_shrink_pending;
195 int menubar_is_local;
201 cairo_surface_t *image;
208 void get_random_seed(void **randseed, int *randseedsize)
210 struct timeval *tvp = snew(struct timeval);
211 gettimeofday(tvp, NULL);
212 *randseed = (void *)tvp;
213 *randseedsize = sizeof(struct timeval);
216 void frontend_default_colour(frontend *fe, float *output)
218 #if !GTK_CHECK_VERSION(3,0,0)
220 * Use the widget style's default background colour as the
221 * background for the puzzle drawing area.
223 GdkColor col = gtk_widget_get_style(fe->window)->bg[GTK_STATE_NORMAL];
224 output[0] = col.red / 65535.0;
225 output[1] = col.green / 65535.0;
226 output[2] = col.blue / 65535.0;
229 * GTK 3 has decided that there's no such thing as a 'default
230 * background colour' any more, because widget styles might set
231 * the background to something more complicated like a background
232 * image. We don't want to get into overlaying our entire puzzle
233 * on an arbitrary background image, so we'll just make up a
234 * reasonable shade of grey.
236 output[0] = output[1] = output[2] = 0.9F;
240 void gtk_status_bar(void *handle, char *text)
242 frontend *fe = (frontend *)handle;
244 assert(fe->statusbar);
246 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
247 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
250 /* ----------------------------------------------------------------------
251 * Cairo drawing functions.
256 static void setup_drawing(frontend *fe)
258 fe->cr = cairo_create(fe->image);
259 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_GRAY);
260 cairo_set_line_width(fe->cr, 1.0);
261 cairo_set_line_cap(fe->cr, CAIRO_LINE_CAP_SQUARE);
262 cairo_set_line_join(fe->cr, CAIRO_LINE_JOIN_ROUND);
265 static void teardown_drawing(frontend *fe)
267 cairo_destroy(fe->cr);
270 #ifndef USE_CAIRO_WITHOUT_PIXMAP
272 cairo_t *cr = gdk_cairo_create(fe->pixmap);
273 cairo_set_source_surface(cr, fe->image, 0, 0);
277 fe->bbox_r - fe->bbox_l + 2,
278 fe->bbox_d - fe->bbox_u + 2);
285 static void snaffle_colours(frontend *fe)
287 fe->colours = midend_colours(fe->me, &fe->ncolours);
290 static void set_colour(frontend *fe, int colour)
292 cairo_set_source_rgb(fe->cr,
293 fe->colours[3*colour + 0],
294 fe->colours[3*colour + 1],
295 fe->colours[3*colour + 2]);
298 static void set_window_background(frontend *fe, int colour)
300 #if GTK_CHECK_VERSION(3,0,0)
302 rgba.red = fe->colours[3*colour + 0];
303 rgba.green = fe->colours[3*colour + 1];
304 rgba.blue = fe->colours[3*colour + 2];
306 gdk_window_set_background_rgba(gtk_widget_get_window(fe->area), &rgba);
307 gdk_window_set_background_rgba(gtk_widget_get_window(fe->window), &rgba);
311 colmap = gdk_colormap_get_system();
312 fe->background.red = fe->colours[3*colour + 0] * 65535;
313 fe->background.green = fe->colours[3*colour + 1] * 65535;
314 fe->background.blue = fe->colours[3*colour + 2] * 65535;
315 if (!gdk_colormap_alloc_color(colmap, &fe->background, FALSE, FALSE)) {
316 g_error("couldn't allocate background (#%02x%02x%02x)\n",
317 fe->background.red >> 8, fe->background.green >> 8,
318 fe->background.blue >> 8);
320 gdk_window_set_background(gtk_widget_get_window(fe->area),
322 gdk_window_set_background(gtk_widget_get_window(fe->window),
327 static PangoLayout *make_pango_layout(frontend *fe)
329 return (pango_cairo_create_layout(fe->cr));
332 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
335 cairo_move_to(fe->cr, x, y);
336 pango_cairo_show_layout(fe->cr, layout);
339 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
341 cairo_surface_write_to_png(fe->image, screenshot_file);
344 static void do_clip(frontend *fe, int x, int y, int w, int h)
346 cairo_new_path(fe->cr);
347 cairo_rectangle(fe->cr, x, y, w, h);
351 static void do_unclip(frontend *fe)
353 cairo_reset_clip(fe->cr);
356 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
359 cairo_new_path(fe->cr);
360 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_NONE);
361 cairo_rectangle(fe->cr, x, y, w, h);
363 cairo_restore(fe->cr);
366 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
368 cairo_new_path(fe->cr);
369 cairo_move_to(fe->cr, x1 + 0.5, y1 + 0.5);
370 cairo_line_to(fe->cr, x2 + 0.5, y2 + 0.5);
371 cairo_stroke(fe->cr);
374 static void do_draw_thick_line(frontend *fe, float thickness,
375 float x1, float y1, float x2, float y2)
378 cairo_set_line_width(fe->cr, thickness);
379 cairo_new_path(fe->cr);
380 cairo_move_to(fe->cr, x1, y1);
381 cairo_line_to(fe->cr, x2, y2);
382 cairo_stroke(fe->cr);
383 cairo_restore(fe->cr);
386 static void do_draw_poly(frontend *fe, int *coords, int npoints,
387 int fillcolour, int outlinecolour)
391 cairo_new_path(fe->cr);
392 for (i = 0; i < npoints; i++)
393 cairo_line_to(fe->cr, coords[i*2] + 0.5, coords[i*2 + 1] + 0.5);
394 cairo_close_path(fe->cr);
395 if (fillcolour >= 0) {
396 set_colour(fe, fillcolour);
397 cairo_fill_preserve(fe->cr);
399 assert(outlinecolour >= 0);
400 set_colour(fe, outlinecolour);
401 cairo_stroke(fe->cr);
404 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
405 int fillcolour, int outlinecolour)
407 cairo_new_path(fe->cr);
408 cairo_arc(fe->cr, cx + 0.5, cy + 0.5, radius, 0, 2*PI);
409 cairo_close_path(fe->cr); /* Just in case... */
410 if (fillcolour >= 0) {
411 set_colour(fe, fillcolour);
412 cairo_fill_preserve(fe->cr);
414 assert(outlinecolour >= 0);
415 set_colour(fe, outlinecolour);
416 cairo_stroke(fe->cr);
419 static void setup_blitter(blitter *bl, int w, int h)
421 bl->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24, w, h);
424 static void teardown_blitter(blitter *bl)
426 cairo_surface_destroy(bl->image);
429 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
431 cairo_t *cr = cairo_create(bl->image);
433 cairo_set_source_surface(cr, fe->image, -x, -y);
438 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
440 cairo_set_source_surface(fe->cr, bl->image, x, y);
444 static void clear_backing_store(frontend *fe)
449 static void wipe_and_destroy_cairo(frontend *fe, cairo_t *cr)
451 cairo_set_source_rgb(cr, fe->colours[0], fe->colours[1], fe->colours[2]);
456 static void setup_backing_store(frontend *fe)
458 #ifndef USE_CAIRO_WITHOUT_PIXMAP
459 fe->pixmap = gdk_pixmap_new(gtk_widget_get_window(fe->area),
462 fe->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
465 wipe_and_destroy_cairo(fe, cairo_create(fe->image));
466 #ifndef USE_CAIRO_WITHOUT_PIXMAP
467 wipe_and_destroy_cairo(fe, gdk_cairo_create(fe->pixmap));
469 wipe_and_destroy_cairo(fe, gdk_cairo_create
470 (gtk_widget_get_window(fe->area)));
473 static int backing_store_ok(frontend *fe)
475 return (!!fe->image);
478 static void teardown_backing_store(frontend *fe)
480 cairo_surface_destroy(fe->image);
481 #ifndef USE_CAIRO_WITHOUT_PIXMAP
482 gdk_pixmap_unref(fe->pixmap);
489 /* ----------------------------------------------------------------------
490 * GDK drawing functions.
495 static void setup_drawing(frontend *fe)
497 fe->gc = gdk_gc_new(fe->area->window);
500 static void teardown_drawing(frontend *fe)
502 gdk_gc_unref(fe->gc);
506 static void snaffle_colours(frontend *fe)
512 fe->colmap = gdk_colormap_get_system();
513 colours = midend_colours(fe->me, &ncolours);
514 fe->ncolours = ncolours;
515 fe->colours = snewn(ncolours, GdkColor);
516 for (i = 0; i < ncolours; i++) {
517 fe->colours[i].red = colours[i*3] * 0xFFFF;
518 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
519 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
521 success = snewn(ncolours, gboolean);
522 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
523 FALSE, FALSE, success);
524 for (i = 0; i < ncolours; i++) {
526 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
527 i, fe->colours[i].red >> 8,
528 fe->colours[i].green >> 8,
529 fe->colours[i].blue >> 8);
534 static void set_window_background(frontend *fe, int colour)
536 fe->backgroundindex = colour;
537 gdk_window_set_background(fe->area->window, &fe->colours[colour]);
538 gdk_window_set_background(fe->window->window, &fe->colours[colour]);
541 static void set_colour(frontend *fe, int colour)
543 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
547 static PangoLayout *make_pango_layout(frontend *fe)
549 return (pango_layout_new(gtk_widget_get_pango_context(fe->area)));
552 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
555 gdk_draw_layout(fe->pixmap, fe->gc, x, y, layout);
559 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
562 GError *gerror = NULL;
564 midend_redraw(fe->me);
566 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
567 NULL, 0, 0, 0, 0, -1, -1);
568 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);
571 static void do_clip(frontend *fe, int x, int y, int w, int h)
579 gdk_gc_set_clip_rectangle(fe->gc, &rect);
582 static void do_unclip(frontend *fe)
590 gdk_gc_set_clip_rectangle(fe->gc, &rect);
593 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
595 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
598 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
600 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
603 static void do_draw_thick_line(frontend *fe, float thickness,
604 float x1, float y1, float x2, float y2)
608 gdk_gc_get_values(fe->gc, &save);
609 gdk_gc_set_line_attributes(fe->gc,
614 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
615 gdk_gc_set_line_attributes(fe->gc,
622 static void do_draw_poly(frontend *fe, int *coords, int npoints,
623 int fillcolour, int outlinecolour)
625 GdkPoint *points = snewn(npoints, GdkPoint);
628 for (i = 0; i < npoints; i++) {
629 points[i].x = coords[i*2];
630 points[i].y = coords[i*2+1];
633 if (fillcolour >= 0) {
634 set_colour(fe, fillcolour);
635 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
637 assert(outlinecolour >= 0);
638 set_colour(fe, outlinecolour);
641 * In principle we ought to be able to use gdk_draw_polygon for
642 * the outline as well. In fact, it turns out to interact badly
643 * with a clipping region, for no terribly obvious reason, so I
644 * draw the outline as a sequence of lines instead.
646 for (i = 0; i < npoints; i++)
647 gdk_draw_line(fe->pixmap, fe->gc,
648 points[i].x, points[i].y,
649 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
654 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
655 int fillcolour, int outlinecolour)
657 if (fillcolour >= 0) {
658 set_colour(fe, fillcolour);
659 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
660 cx - radius, cy - radius,
661 2 * radius, 2 * radius, 0, 360 * 64);
664 assert(outlinecolour >= 0);
665 set_colour(fe, outlinecolour);
666 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
667 cx - radius, cy - radius,
668 2 * radius, 2 * radius, 0, 360 * 64);
671 static void setup_blitter(blitter *bl, int w, int h)
674 * We can't create the pixmap right now, because fe->window
675 * might not yet exist. So we just cache w and h and create it
676 * during the firs call to blitter_save.
681 static void teardown_blitter(blitter *bl)
684 gdk_pixmap_unref(bl->pixmap);
687 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
690 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
691 gdk_draw_pixmap(bl->pixmap,
692 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
694 x, y, 0, 0, bl->w, bl->h);
697 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
700 gdk_draw_pixmap(fe->pixmap,
701 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
703 0, 0, x, y, bl->w, bl->h);
706 static void clear_backing_store(frontend *fe)
711 static void setup_backing_store(frontend *fe)
715 fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1);
717 gc = gdk_gc_new(fe->area->window);
718 gdk_gc_set_foreground(gc, &fe->colours[0]);
719 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
720 gdk_draw_rectangle(fe->area->window, gc, 1, 0, 0, fe->w, fe->h);
724 static int backing_store_ok(frontend *fe)
726 return (!!fe->pixmap);
729 static void teardown_backing_store(frontend *fe)
731 gdk_pixmap_unref(fe->pixmap);
737 #ifndef USE_CAIRO_WITHOUT_PIXMAP
738 static void repaint_rectangle(frontend *fe, GtkWidget *widget,
739 int x, int y, int w, int h)
741 GdkGC *gc = gdk_gc_new(gtk_widget_get_window(widget));
743 gdk_gc_set_foreground(gc, &fe->background);
745 gdk_gc_set_foreground(gc, &fe->colours[fe->backgroundindex]);
748 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
749 TRUE, x, y, fe->ox - x, h);
754 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
755 TRUE, x, y, w, fe->oy - y);
760 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
761 TRUE, x + fe->pw, y, w - fe->pw, h);
765 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
766 TRUE, x, y + fe->ph, w, h - fe->ph);
769 gdk_draw_pixmap(gtk_widget_get_window(widget), gc, fe->pixmap,
770 x - fe->ox, y - fe->oy, x, y, w, h);
775 /* ----------------------------------------------------------------------
776 * Pango font functions.
781 static void add_font(frontend *fe, int index, int fonttype, int fontsize)
784 * Use Pango to find the closest match to the requested
787 PangoFontDescription *fd;
789 fd = pango_font_description_new();
790 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
791 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
792 "Monospace" : "Sans");
793 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
795 * I found some online Pango documentation which
796 * described a function called
797 * pango_font_description_set_absolute_size(), which is
798 * _exactly_ what I want here. Unfortunately, none of
799 * my local Pango installations have it (presumably
800 * they're too old), so I'm going to have to hack round
801 * it by figuring out the point size myself. This
802 * limits me to X and probably also breaks in later
803 * Pango installations, so ideally I should add another
804 * CHECK_VERSION type ifdef and use set_absolute_size
805 * where available. All very annoying.
807 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
808 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
811 Display *d = GDK_DISPLAY();
812 int s = DefaultScreen(d);
814 (PANGO_SCALE * 72.27 / 25.4) *
815 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
816 pango_font_description_set_size(fd, resolution * fontsize);
819 fe->fonts[index].desc = fd;
822 static void align_and_draw_text(frontend *fe,
823 int index, int align, int x, int y,
829 layout = make_pango_layout(fe);
834 pango_layout_set_font_description(layout, fe->fonts[index].desc);
835 pango_layout_set_text(layout, text, strlen(text));
836 pango_layout_get_pixel_extents(layout, NULL, &rect);
838 if (align & ALIGN_VCENTRE)
839 rect.y -= rect.height / 2;
841 rect.y -= rect.height;
843 if (align & ALIGN_HCENTRE)
844 rect.x -= rect.width / 2;
845 else if (align & ALIGN_HRIGHT)
846 rect.x -= rect.width;
848 draw_pango_layout(fe, layout, rect.x + x, rect.y + y);
850 g_object_unref(layout);
855 /* ----------------------------------------------------------------------
856 * Old-fashioned font functions.
861 static void add_font(int index, int fonttype, int fontsize)
864 * In GTK 1.2, I don't know of any plausible way to
865 * pick a suitable font, so I'm just going to be
868 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
869 "fixed" : "variable");
872 static void align_and_draw_text(int index, int align, int x, int y,
875 int lb, rb, wid, asc, desc;
878 * Measure vertical string extents with respect to the same
881 gdk_string_extents(fe->fonts[i].font,
882 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
883 &lb, &rb, &wid, &asc, &desc);
884 if (align & ALIGN_VCENTRE)
885 y += asc - (asc+desc)/2;
890 * ... but horizontal extents with respect to the provided
891 * string. This means that multiple pieces of text centred
892 * on the same y-coordinate don't have different baselines.
894 gdk_string_extents(fe->fonts[i].font, text,
895 &lb, &rb, &wid, &asc, &desc);
897 if (align & ALIGN_HCENTRE)
899 else if (align & ALIGN_HRIGHT)
903 * Actually draw the text.
905 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
910 /* ----------------------------------------------------------------------
911 * The exported drawing functions.
914 void gtk_start_draw(void *handle)
916 frontend *fe = (frontend *)handle;
924 void gtk_clip(void *handle, int x, int y, int w, int h)
926 frontend *fe = (frontend *)handle;
927 do_clip(fe, x, y, w, h);
930 void gtk_unclip(void *handle)
932 frontend *fe = (frontend *)handle;
936 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
937 int align, int colour, char *text)
939 frontend *fe = (frontend *)handle;
943 * Find or create the font.
945 for (i = 0; i < fe->nfonts; i++)
946 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
949 if (i == fe->nfonts) {
950 if (fe->fontsize <= fe->nfonts) {
951 fe->fontsize = fe->nfonts + 10;
952 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
957 fe->fonts[i].type = fonttype;
958 fe->fonts[i].size = fontsize;
959 add_font(fe, i, fonttype, fontsize);
965 set_colour(fe, colour);
966 align_and_draw_text(fe, i, align, x, y, text);
969 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
971 frontend *fe = (frontend *)handle;
972 set_colour(fe, colour);
973 do_draw_rect(fe, x, y, w, h);
976 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
978 frontend *fe = (frontend *)handle;
979 set_colour(fe, colour);
980 do_draw_line(fe, x1, y1, x2, y2);
983 void gtk_draw_thick_line(void *handle, float thickness,
984 float x1, float y1, float x2, float y2, int colour)
986 frontend *fe = (frontend *)handle;
987 set_colour(fe, colour);
988 do_draw_thick_line(fe, thickness, x1, y1, x2, y2);
991 void gtk_draw_poly(void *handle, int *coords, int npoints,
992 int fillcolour, int outlinecolour)
994 frontend *fe = (frontend *)handle;
995 do_draw_poly(fe, coords, npoints, fillcolour, outlinecolour);
998 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
999 int fillcolour, int outlinecolour)
1001 frontend *fe = (frontend *)handle;
1002 do_draw_circle(fe, cx, cy, radius, fillcolour, outlinecolour);
1005 blitter *gtk_blitter_new(void *handle, int w, int h)
1007 blitter *bl = snew(blitter);
1008 setup_blitter(bl, w, h);
1014 void gtk_blitter_free(void *handle, blitter *bl)
1016 teardown_blitter(bl);
1020 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
1022 frontend *fe = (frontend *)handle;
1023 do_blitter_save(fe, bl, x, y);
1028 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
1030 frontend *fe = (frontend *)handle;
1031 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
1035 do_blitter_load(fe, bl, x, y);
1038 void gtk_draw_update(void *handle, int x, int y, int w, int h)
1040 frontend *fe = (frontend *)handle;
1041 if (fe->bbox_l > x ) fe->bbox_l = x ;
1042 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
1043 if (fe->bbox_u > y ) fe->bbox_u = y ;
1044 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
1047 void gtk_end_draw(void *handle)
1049 frontend *fe = (frontend *)handle;
1051 teardown_drawing(fe);
1053 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
1054 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1055 gtk_widget_queue_draw_area(fe->area,
1056 fe->bbox_l - 1 + fe->ox,
1057 fe->bbox_u - 1 + fe->oy,
1058 fe->bbox_r - fe->bbox_l + 2,
1059 fe->bbox_d - fe->bbox_u + 2);
1061 repaint_rectangle(fe, fe->area,
1062 fe->bbox_l - 1 + fe->ox,
1063 fe->bbox_u - 1 + fe->oy,
1064 fe->bbox_r - fe->bbox_l + 2,
1065 fe->bbox_d - fe->bbox_u + 2);
1071 char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings)
1074 * We assume Pango can cope with any UTF-8 likely to be emitted
1077 return dupstr(strings[0]);
1081 const struct drawing_api gtk_drawing = {
1097 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
1098 NULL, NULL, /* line_width, line_dotted */
1104 #ifdef NO_THICK_LINE
1107 gtk_draw_thick_line,
1111 static void destroy(GtkWidget *widget, gpointer data)
1113 frontend *fe = (frontend *)data;
1114 deactivate_timer(fe);
1115 midend_free(fe->me);
1119 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
1121 frontend *fe = (frontend *)data;
1123 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
1124 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
1126 if (!backing_store_ok(fe))
1129 #if !GTK_CHECK_VERSION(2,0,0)
1130 /* Gtk 1.2 passes a key event to this function even if it's also
1131 * defined as an accelerator.
1132 * Gtk 2 doesn't do this, and this function appears not to exist there. */
1133 if (fe->accelgroup &&
1134 gtk_accel_group_get_entry(fe->accelgroup,
1135 event->keyval, event->state))
1139 /* Handle mnemonics. */
1140 if (gtk_window_activate_key(GTK_WINDOW(fe->window), event))
1143 if (event->keyval == GDK_KEY_Up)
1144 keyval = shift | ctrl | CURSOR_UP;
1145 else if (event->keyval == GDK_KEY_KP_Up ||
1146 event->keyval == GDK_KEY_KP_8)
1147 keyval = MOD_NUM_KEYPAD | '8';
1148 else if (event->keyval == GDK_KEY_Down)
1149 keyval = shift | ctrl | CURSOR_DOWN;
1150 else if (event->keyval == GDK_KEY_KP_Down ||
1151 event->keyval == GDK_KEY_KP_2)
1152 keyval = MOD_NUM_KEYPAD | '2';
1153 else if (event->keyval == GDK_KEY_Left)
1154 keyval = shift | ctrl | CURSOR_LEFT;
1155 else if (event->keyval == GDK_KEY_KP_Left ||
1156 event->keyval == GDK_KEY_KP_4)
1157 keyval = MOD_NUM_KEYPAD | '4';
1158 else if (event->keyval == GDK_KEY_Right)
1159 keyval = shift | ctrl | CURSOR_RIGHT;
1160 else if (event->keyval == GDK_KEY_KP_Right ||
1161 event->keyval == GDK_KEY_KP_6)
1162 keyval = MOD_NUM_KEYPAD | '6';
1163 else if (event->keyval == GDK_KEY_KP_Home ||
1164 event->keyval == GDK_KEY_KP_7)
1165 keyval = MOD_NUM_KEYPAD | '7';
1166 else if (event->keyval == GDK_KEY_KP_End ||
1167 event->keyval == GDK_KEY_KP_1)
1168 keyval = MOD_NUM_KEYPAD | '1';
1169 else if (event->keyval == GDK_KEY_KP_Page_Up ||
1170 event->keyval == GDK_KEY_KP_9)
1171 keyval = MOD_NUM_KEYPAD | '9';
1172 else if (event->keyval == GDK_KEY_KP_Page_Down ||
1173 event->keyval == GDK_KEY_KP_3)
1174 keyval = MOD_NUM_KEYPAD | '3';
1175 else if (event->keyval == GDK_KEY_KP_Insert ||
1176 event->keyval == GDK_KEY_KP_0)
1177 keyval = MOD_NUM_KEYPAD | '0';
1178 else if (event->keyval == GDK_KEY_KP_Begin ||
1179 event->keyval == GDK_KEY_KP_5)
1180 keyval = MOD_NUM_KEYPAD | '5';
1181 else if (event->keyval == GDK_KEY_BackSpace ||
1182 event->keyval == GDK_KEY_Delete ||
1183 event->keyval == GDK_KEY_KP_Delete)
1185 else if (event->string[0] && !event->string[1])
1186 keyval = (unsigned char)event->string[0];
1191 !midend_process_key(fe->me, 0, 0, keyval))
1192 gtk_widget_destroy(fe->window);
1197 static gint button_event(GtkWidget *widget, GdkEventButton *event,
1200 frontend *fe = (frontend *)data;
1203 if (!backing_store_ok(fe))
1206 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
1209 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
1210 button = MIDDLE_BUTTON;
1211 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
1212 button = RIGHT_BUTTON;
1213 else if (event->button == 1)
1214 button = LEFT_BUTTON;
1215 else if (event->button == 8 && event->type == GDK_BUTTON_PRESS)
1217 else if (event->button == 9 && event->type == GDK_BUTTON_PRESS)
1220 return FALSE; /* don't even know what button! */
1222 if (event->type == GDK_BUTTON_RELEASE && button >= LEFT_BUTTON)
1223 button += LEFT_RELEASE - LEFT_BUTTON;
1225 if (!midend_process_key(fe->me, event->x - fe->ox,
1226 event->y - fe->oy, button))
1227 gtk_widget_destroy(fe->window);
1232 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
1235 frontend *fe = (frontend *)data;
1238 if (!backing_store_ok(fe))
1241 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
1242 button = MIDDLE_DRAG;
1243 else if (event->state & GDK_BUTTON1_MASK)
1245 else if (event->state & GDK_BUTTON3_MASK)
1246 button = RIGHT_DRAG;
1248 return FALSE; /* don't even know what button! */
1250 if (!midend_process_key(fe->me, event->x - fe->ox,
1251 event->y - fe->oy, button))
1252 gtk_widget_destroy(fe->window);
1253 #if GTK_CHECK_VERSION(2,12,0)
1254 gdk_event_request_motions(event);
1256 gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
1262 #if GTK_CHECK_VERSION(3,0,0)
1263 static gint draw_area(GtkWidget *widget, cairo_t *cr, gpointer data)
1265 frontend *fe = (frontend *)data;
1266 GdkRectangle dirtyrect;
1268 gdk_cairo_get_clip_rectangle(cr, &dirtyrect);
1269 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1270 cairo_rectangle(cr, dirtyrect.x, dirtyrect.y,
1271 dirtyrect.width, dirtyrect.height);
1277 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
1280 frontend *fe = (frontend *)data;
1282 if (backing_store_ok(fe)) {
1283 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1284 cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
1285 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1286 cairo_rectangle(cr, event->area.x, event->area.y,
1287 event->area.width, event->area.height);
1291 repaint_rectangle(fe, widget,
1292 event->area.x, event->area.y,
1293 event->area.width, event->area.height);
1300 static gint map_window(GtkWidget *widget, GdkEvent *event,
1303 frontend *fe = (frontend *)data;
1306 * Apparently we need to do this because otherwise the status
1307 * bar will fail to update immediately. Annoying, but there we
1310 gtk_widget_queue_draw(fe->window);
1315 static gint configure_area(GtkWidget *widget,
1316 GdkEventConfigure *event, gpointer data)
1318 frontend *fe = (frontend *)data;
1320 int oldw = fe->w, oldpw = fe->pw, oldh = fe->h, oldph = fe->ph;
1326 midend_size(fe->me, &x, &y, TRUE);
1329 fe->ox = (fe->w - fe->pw) / 2;
1330 fe->oy = (fe->h - fe->ph) / 2;
1332 if (oldw != fe->w || oldpw != fe->pw ||
1333 oldh != fe->h || oldph != fe->ph || !backing_store_ok(fe)) {
1334 if (backing_store_ok(fe))
1335 teardown_backing_store(fe);
1336 setup_backing_store(fe);
1339 midend_force_redraw(fe->me);
1344 static gint timer_func(gpointer data)
1346 frontend *fe = (frontend *)data;
1348 if (fe->timer_active) {
1351 gettimeofday(&now, NULL);
1352 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
1353 (now.tv_sec - fe->last_time.tv_sec));
1354 midend_timer(fe->me, elapsed); /* may clear timer_active */
1355 fe->last_time = now;
1358 return fe->timer_active;
1361 void deactivate_timer(frontend *fe)
1364 return; /* can happen due to --generate */
1365 if (fe->timer_active)
1366 g_source_remove(fe->timer_id);
1367 fe->timer_active = FALSE;
1370 void activate_timer(frontend *fe)
1373 return; /* can happen due to --generate */
1374 if (!fe->timer_active) {
1375 fe->timer_id = g_timeout_add(20, timer_func, fe);
1376 gettimeofday(&fe->last_time, NULL);
1378 fe->timer_active = TRUE;
1381 static void window_destroy(GtkWidget *widget, gpointer data)
1386 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1388 GObject *cancelbutton = G_OBJECT(data);
1391 * `Escape' effectively clicks the cancel button
1393 if (event->keyval == GDK_KEY_Escape) {
1394 g_signal_emit_by_name(cancelbutton, "clicked");
1401 enum { MB_OK, MB_YESNO };
1403 static void align_label(GtkLabel *label, double x, double y)
1405 #if GTK_CHECK_VERSION(3,16,0)
1406 gtk_label_set_xalign(label, x);
1407 gtk_label_set_yalign(label, y);
1408 #elif GTK_CHECK_VERSION(3,14,0)
1409 gtk_widget_set_halign(GTK_WIDGET(label),
1410 x == 0 ? GTK_ALIGN_START :
1411 x == 1 ? GTK_ALIGN_END : GTK_ALIGN_CENTER);
1412 gtk_widget_set_valign(GTK_WIDGET(label),
1413 y == 0 ? GTK_ALIGN_START :
1414 y == 1 ? GTK_ALIGN_END : GTK_ALIGN_CENTER);
1416 gtk_misc_set_alignment(GTK_MISC(label), x, y);
1420 #if GTK_CHECK_VERSION(3,0,0)
1421 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1427 window = gtk_message_dialog_new
1428 (GTK_WINDOW(parent),
1429 (GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT),
1430 (type == MB_OK ? GTK_MESSAGE_INFO : GTK_MESSAGE_QUESTION),
1431 (type == MB_OK ? GTK_BUTTONS_OK : GTK_BUTTONS_YES_NO),
1433 gtk_window_set_title(GTK_WINDOW(window), title);
1434 ret = gtk_dialog_run(GTK_DIALOG(window));
1435 gtk_widget_destroy(window);
1436 return (type == MB_OK ? TRUE : (ret == GTK_RESPONSE_YES));
1438 #else /* GTK_CHECK_VERSION(3,0,0) */
1439 static void msgbox_button_clicked(GtkButton *button, gpointer data)
1441 GtkWidget *window = GTK_WIDGET(data);
1444 ip = (int *)g_object_get_data(G_OBJECT(window), "user-data");
1445 v = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "user-data"));
1448 gtk_widget_destroy(GTK_WIDGET(data));
1451 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1454 GtkWidget *window, *hbox, *text, *button;
1458 window = gtk_dialog_new();
1459 text = gtk_label_new(msg);
1460 align_label(GTK_LABEL(text), 0.0, 0.0);
1461 hbox = gtk_hbox_new(FALSE, 0);
1462 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
1464 (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(window))),
1465 hbox, FALSE, FALSE, 20);
1466 gtk_widget_show(text);
1467 gtk_widget_show(hbox);
1468 gtk_window_set_title(GTK_WINDOW(window), title);
1469 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
1471 if (type == MB_OK) {
1472 titles = LABEL_OK "\0";
1475 assert(type == MB_YESNO);
1476 titles = LABEL_NO "\0" LABEL_YES "\0";
1483 button = gtk_button_new_with_our_label(titles);
1485 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(window))),
1486 button, FALSE, FALSE, 0);
1487 gtk_widget_show(button);
1489 gtk_widget_set_can_default(button, TRUE);
1490 gtk_window_set_default(GTK_WINDOW(window), button);
1493 g_signal_connect(G_OBJECT(window), "key_press_event",
1494 G_CALLBACK(win_key_press), button);
1496 g_signal_connect(G_OBJECT(button), "clicked",
1497 G_CALLBACK(msgbox_button_clicked), window);
1498 g_object_set_data(G_OBJECT(button), "user-data",
1499 GINT_TO_POINTER(i));
1500 titles += strlen(titles)+1;
1503 g_object_set_data(G_OBJECT(window), "user-data", &i);
1504 g_signal_connect(G_OBJECT(window), "destroy",
1505 G_CALLBACK(window_destroy), NULL);
1506 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
1507 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
1508 /* set_transient_window_pos(parent, window); */
1509 gtk_widget_show(window);
1512 return (type == MB_YESNO ? i == 1 : TRUE);
1514 #endif /* GTK_CHECK_VERSION(3,0,0) */
1516 void error_box(GtkWidget *parent, char *msg)
1518 message_box(parent, "Error", msg, FALSE, MB_OK);
1521 static void config_ok_button_clicked(GtkButton *button, gpointer data)
1523 frontend *fe = (frontend *)data;
1526 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
1529 error_box(fe->cfgbox, err);
1532 gtk_widget_destroy(fe->cfgbox);
1537 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
1539 frontend *fe = (frontend *)data;
1541 gtk_widget_destroy(fe->cfgbox);
1544 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
1547 * GtkEntry has a nasty habit of eating the Return key, which
1548 * is unhelpful since it doesn't actually _do_ anything with it
1549 * (it calls gtk_widget_activate, but our edit boxes never need
1550 * activating). So I catch Return before GtkEntry sees it, and
1551 * pass it straight on to the parent widget. Effect: hitting
1552 * Return in an edit box will now activate the default button
1553 * in the dialog just like it will everywhere else.
1555 if (event->keyval == GDK_KEY_Return &&
1556 gtk_widget_get_parent(widget) != NULL) {
1558 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
1559 g_signal_emit_by_name(G_OBJECT(gtk_widget_get_parent(widget)),
1560 "key_press_event", event, &return_val);
1566 static void editbox_changed(GtkEditable *ed, gpointer data)
1568 config_item *i = (config_item *)data;
1571 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
1574 static void button_toggled(GtkToggleButton *tb, gpointer data)
1576 config_item *i = (config_item *)data;
1578 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
1581 static void droplist_sel(GtkComboBox *combo, gpointer data)
1583 config_item *i = (config_item *)data;
1585 i->ival = gtk_combo_box_get_active(combo);
1588 static int get_config(frontend *fe, int which)
1590 GtkWidget *w, *table, *cancel;
1591 GtkBox *content_box, *button_box;
1596 fe->cfg = midend_get_config(fe->me, which, &title);
1597 fe->cfg_which = which;
1600 #if GTK_CHECK_VERSION(3,0,0)
1601 /* GtkDialog isn't quite flexible enough */
1602 fe->cfgbox = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1603 content_box = GTK_BOX(gtk_vbox_new(FALSE, 8));
1604 g_object_set(G_OBJECT(content_box), "margin", 8, (const char *)NULL);
1605 gtk_widget_show(GTK_WIDGET(content_box));
1606 gtk_container_add(GTK_CONTAINER(fe->cfgbox), GTK_WIDGET(content_box));
1607 button_box = GTK_BOX(gtk_hbox_new(FALSE, 8));
1608 gtk_widget_show(GTK_WIDGET(button_box));
1609 gtk_box_pack_end(content_box, GTK_WIDGET(button_box), FALSE, FALSE, 0);
1611 GtkWidget *sep = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL);
1612 gtk_widget_show(sep);
1613 gtk_box_pack_end(content_box, sep, FALSE, FALSE, 0);
1616 fe->cfgbox = gtk_dialog_new();
1617 content_box = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(fe->cfgbox)));
1618 button_box = GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox)));
1620 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
1623 w = gtk_button_new_with_our_label(LABEL_CANCEL);
1624 gtk_box_pack_end(button_box, w, FALSE, FALSE, 0);
1626 g_signal_connect(G_OBJECT(w), "clicked",
1627 G_CALLBACK(config_cancel_button_clicked), fe);
1630 w = gtk_button_new_with_our_label(LABEL_OK);
1631 gtk_box_pack_end(button_box, w, FALSE, FALSE, 0);
1633 gtk_widget_set_can_default(w, TRUE);
1634 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
1635 g_signal_connect(G_OBJECT(w), "clicked",
1636 G_CALLBACK(config_ok_button_clicked), fe);
1638 #if GTK_CHECK_VERSION(3,0,0)
1639 table = gtk_grid_new();
1641 table = gtk_table_new(1, 2, FALSE);
1644 gtk_box_pack_start(content_box, table, FALSE, FALSE, 0);
1645 gtk_widget_show(table);
1647 for (i = fe->cfg; i->type != C_END; i++) {
1648 #if !GTK_CHECK_VERSION(3,0,0)
1649 gtk_table_resize(GTK_TABLE(table), y+1, 2);
1655 * Edit box with a label beside it.
1658 w = gtk_label_new(i->name);
1659 align_label(GTK_LABEL(w), 0.0, 0.5);
1660 #if GTK_CHECK_VERSION(3,0,0)
1661 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1663 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1664 GTK_SHRINK | GTK_FILL,
1665 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1670 w = gtk_entry_new();
1671 #if GTK_CHECK_VERSION(3,0,0)
1672 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1673 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1675 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1676 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1677 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1680 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
1681 g_signal_connect(G_OBJECT(w), "changed",
1682 G_CALLBACK(editbox_changed), i);
1683 g_signal_connect(G_OBJECT(w), "key_press_event",
1684 G_CALLBACK(editbox_key), NULL);
1693 w = gtk_check_button_new_with_label(i->name);
1694 g_signal_connect(G_OBJECT(w), "toggled",
1695 G_CALLBACK(button_toggled), i);
1696 #if GTK_CHECK_VERSION(3,0,0)
1697 gtk_grid_attach(GTK_GRID(table), w, 0, y, 2, 1);
1698 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1700 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
1701 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1702 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1705 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
1711 * Drop-down list (GtkComboBox).
1714 w = gtk_label_new(i->name);
1715 align_label(GTK_LABEL(w), 0.0, 0.5);
1716 #if GTK_CHECK_VERSION(3,0,0)
1717 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1719 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1720 GTK_SHRINK | GTK_FILL,
1721 GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
1729 GtkListStore *model;
1730 GtkCellRenderer *cr;
1733 model = gtk_list_store_new(1, G_TYPE_STRING);
1740 while (*q && *q != c)
1743 name = snewn(q-p+1, char);
1744 strncpy(name, p, q-p);
1747 if (*q) q++; /* eat delimiter */
1749 gtk_list_store_append(model, &iter);
1750 gtk_list_store_set(model, &iter, 0, name, -1);
1755 w = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
1757 gtk_combo_box_set_active(GTK_COMBO_BOX(w), i->ival);
1759 cr = gtk_cell_renderer_text_new();
1760 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(w), cr, TRUE);
1761 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(w), cr,
1764 g_signal_connect(G_OBJECT(w), "changed",
1765 G_CALLBACK(droplist_sel), i);
1768 #if GTK_CHECK_VERSION(3,0,0)
1769 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1770 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1772 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1773 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1774 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1784 g_signal_connect(G_OBJECT(fe->cfgbox), "destroy",
1785 G_CALLBACK(window_destroy), NULL);
1786 g_signal_connect(G_OBJECT(fe->cfgbox), "key_press_event",
1787 G_CALLBACK(win_key_press), cancel);
1788 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1789 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1790 GTK_WINDOW(fe->window));
1791 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1792 gtk_widget_show(fe->cfgbox);
1800 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1802 frontend *fe = (frontend *)data;
1803 int key = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
1805 if (!midend_process_key(fe->me, 0, 0, key))
1806 gtk_widget_destroy(fe->window);
1809 static void get_size(frontend *fe, int *px, int *py)
1814 * Currently I don't want to make the GTK port scale large
1815 * puzzles to fit on the screen. This is because X does permit
1816 * extremely large windows and many window managers provide a
1817 * means of navigating round them, and the users I consulted
1818 * before deciding said that they'd rather have enormous puzzle
1819 * windows spanning multiple screen pages than have them
1820 * shrunk. I could change my mind later or introduce
1821 * configurability; this would be the place to do so, by
1822 * replacing the initial values of x and y with the screen
1827 midend_size(fe->me, &x, &y, FALSE);
1832 #if !GTK_CHECK_VERSION(2,0,0)
1833 #define gtk_window_resize(win, x, y) \
1834 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1838 * Called when any other code in this file has changed the
1839 * selected game parameters.
1841 static void changed_preset(frontend *fe)
1843 int n = midend_which_preset(fe->me);
1845 fe->preset_threaded = TRUE;
1846 if (n < 0 && fe->preset_custom) {
1847 gtk_check_menu_item_set_active(
1848 GTK_CHECK_MENU_ITEM(fe->preset_custom),
1851 GSList *gs = fe->preset_radio;
1852 int i = fe->n_preset_menu_items - 1 - n;
1853 if (fe->preset_custom)
1860 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1862 } else for (gs = fe->preset_radio; gs; gs = gs->next) {
1863 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1867 fe->preset_threaded = FALSE;
1870 * Update the greying on the Copy menu option.
1872 if (fe->copy_menu_item) {
1873 int enabled = midend_can_format_as_text_now(fe->me);
1874 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1878 #if !GTK_CHECK_VERSION(3,0,0)
1879 static gboolean not_size_allocated_yet(GtkWidget *w)
1882 * This function tests whether a widget has not yet taken up space
1883 * on the screen which it will occupy in future. (Therefore, it
1884 * returns true only if the widget does exist but does not have a
1885 * size allocation. A null widget is already taking up all the
1886 * space it ever will.)
1889 return FALSE; /* nonexistent widgets aren't a problem */
1891 #if GTK_CHECK_VERSION(2,18,0) /* skip if no gtk_widget_get_allocation */
1894 gtk_widget_get_allocation(w, &a);
1895 if (a.height == 0 || a.width == 0)
1896 return TRUE; /* widget exists but has no size yet */
1903 static void try_shrink_drawing_area(frontend *fe)
1905 if (fe->drawing_area_shrink_pending &&
1906 (!fe->menubar_is_local || !not_size_allocated_yet(fe->menubar)) &&
1907 !not_size_allocated_yet(fe->statusbar)) {
1909 * In order to permit the user to resize the window smaller as
1910 * well as bigger, we call this function after the window size
1911 * has ended up where we want it. This shouldn't shrink the
1912 * window immediately; it just arranges that the next time the
1913 * user tries to shrink it, they can.
1915 * However, at puzzle creation time, we defer the first of
1916 * these operations until after the menu bar and status bar
1917 * are actually visible. On Ubuntu 12.04 I've found that these
1918 * can take a while to be displayed, and that it's a mistake
1919 * to reduce the drawing area's size allocation before they've
1920 * turned up or else the drawing area makes room for them by
1921 * shrinking to less than the size we intended.
1923 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1924 fe->drawing_area_shrink_pending = FALSE;
1927 #endif /* !GTK_CHECK_VERSION(3,0,0) */
1929 static gint configure_window(GtkWidget *widget,
1930 GdkEventConfigure *event, gpointer data)
1932 #if !GTK_CHECK_VERSION(3,0,0)
1934 * When the main puzzle window changes size, it might be because
1935 * the menu bar or status bar has turned up after starting off
1936 * absent, in which case we should have another go at enacting a
1937 * pending shrink of the drawing area.
1939 frontend *fe = (frontend *)data;
1940 try_shrink_drawing_area(fe);
1945 #if GTK_CHECK_VERSION(3,0,0)
1946 static int window_extra_height(frontend *fe)
1951 gtk_widget_get_preferred_size(fe->menubar, &req, NULL);
1954 if (fe->statusbar) {
1956 gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
1963 static void resize_fe(frontend *fe)
1967 get_size(fe, &x, &y);
1969 #if GTK_CHECK_VERSION(3,0,0)
1970 gtk_window_resize(GTK_WINDOW(fe->window), x, y + window_extra_height(fe));
1972 fe->drawing_area_shrink_pending = FALSE;
1973 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1976 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1977 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1979 fe->drawing_area_shrink_pending = TRUE;
1980 try_shrink_drawing_area(fe);
1984 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1986 frontend *fe = (frontend *)data;
1987 game_params *params =
1988 (game_params *)g_object_get_data(G_OBJECT(menuitem), "user-data");
1990 if (fe->preset_threaded ||
1991 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
1992 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
1994 midend_set_params(fe->me, params);
1995 midend_new_game(fe->me);
1998 midend_redraw(fe->me);
2001 GdkAtom compound_text_atom, utf8_string_atom;
2002 int paste_initialised = FALSE;
2004 static void set_selection(frontend *fe, GdkAtom selection)
2006 if (!paste_initialised) {
2007 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
2008 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
2009 paste_initialised = TRUE;
2013 * For this simple application we can safely assume that the
2014 * data passed to this function is pure ASCII, which means we
2015 * can return precisely the same stuff for types STRING,
2016 * COMPOUND_TEXT or UTF8_STRING.
2019 if (gtk_selection_owner_set(fe->area, selection, CurrentTime)) {
2020 gtk_selection_clear_targets(fe->area, selection);
2021 gtk_selection_add_target(fe->area, selection,
2022 GDK_SELECTION_TYPE_STRING, 1);
2023 gtk_selection_add_target(fe->area, selection, compound_text_atom, 1);
2024 gtk_selection_add_target(fe->area, selection, utf8_string_atom, 1);
2028 void write_clip(frontend *fe, char *data)
2031 sfree(fe->paste_data);
2033 fe->paste_data = data;
2034 fe->paste_data_len = strlen(data);
2036 set_selection(fe, GDK_SELECTION_PRIMARY);
2037 set_selection(fe, GDK_SELECTION_CLIPBOARD);
2040 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
2041 guint info, guint time_stamp, gpointer data)
2043 frontend *fe = (frontend *)data;
2044 gtk_selection_data_set(seldata, gtk_selection_data_get_target(seldata), 8,
2045 fe->paste_data, fe->paste_data_len);
2048 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
2051 frontend *fe = (frontend *)data;
2054 sfree(fe->paste_data);
2055 fe->paste_data = NULL;
2056 fe->paste_data_len = 0;
2060 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
2062 frontend *fe = (frontend *)data;
2065 text = midend_text_format(fe->me);
2068 write_clip(fe, text);
2076 static void filesel_ok(GtkButton *button, gpointer data)
2078 frontend *fe = (frontend *)data;
2080 gpointer filesel = g_object_get_data(G_OBJECT(button), "user-data");
2083 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
2085 fe->filesel_name = dupstr(name);
2088 static char *file_selector(frontend *fe, char *title, int save)
2090 GtkWidget *filesel =
2091 gtk_file_selection_new(title);
2093 fe->filesel_name = NULL;
2095 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
2097 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
2100 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2101 G_CALLBACK(filesel_ok), fe);
2102 g_signal_connect_swapped
2103 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2104 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2105 g_signal_connect_object
2106 (G_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
2107 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2108 g_signal_connect(G_OBJECT(filesel), "destroy",
2109 G_CALLBACK(window_destroy), NULL);
2110 gtk_widget_show(filesel);
2111 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
2114 return fe->filesel_name;
2119 static char *file_selector(frontend *fe, char *title, int save)
2121 char *filesel_name = NULL;
2123 GtkWidget *filesel =
2124 gtk_file_chooser_dialog_new(title,
2125 GTK_WINDOW(fe->window),
2126 save ? GTK_FILE_CHOOSER_ACTION_SAVE :
2127 GTK_FILE_CHOOSER_ACTION_OPEN,
2128 LABEL_CANCEL, GTK_RESPONSE_CANCEL,
2129 save ? LABEL_SAVE : LABEL_OPEN,
2130 GTK_RESPONSE_ACCEPT,
2133 if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
2134 char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
2135 filesel_name = dupstr(name);
2139 gtk_widget_destroy(filesel);
2141 return filesel_name;
2146 struct savefile_write_ctx {
2151 static void savefile_write(void *wctx, void *buf, int len)
2153 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
2154 if (fwrite(buf, 1, len, ctx->fp) < len)
2158 static int savefile_read(void *wctx, void *buf, int len)
2160 FILE *fp = (FILE *)wctx;
2163 ret = fread(buf, 1, len, fp);
2164 return (ret == len);
2167 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
2169 frontend *fe = (frontend *)data;
2172 name = file_selector(fe, "Enter name of game file to save", TRUE);
2177 if ((fp = fopen(name, "r")) != NULL) {
2178 char buf[256 + FILENAME_MAX];
2182 sprintf(buf, "Are you sure you want to overwrite the"
2184 FILENAME_MAX, name);
2185 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
2186 goto free_and_return;
2189 fp = fopen(name, "w");
2192 error_box(fe->window, "Unable to open save file");
2193 goto free_and_return;
2197 struct savefile_write_ctx ctx;
2200 midend_serialise(fe->me, savefile_write, &ctx);
2204 sprintf(boxmsg, "Error writing save file: %.400s",
2206 error_box(fe->window, boxmsg);
2207 goto free_and_return;
2215 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
2217 frontend *fe = (frontend *)data;
2220 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
2223 FILE *fp = fopen(name, "r");
2227 error_box(fe->window, "Unable to open saved game file");
2231 err = midend_deserialise(fe->me, savefile_read, fp);
2236 error_box(fe->window, err);
2242 midend_redraw(fe->me);
2246 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
2248 frontend *fe = (frontend *)data;
2251 msg = midend_solve(fe->me);
2254 error_box(fe->window, msg);
2257 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
2259 frontend *fe = (frontend *)data;
2261 midend_restart_game(fe->me);
2264 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
2266 frontend *fe = (frontend *)data;
2267 int which = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
2270 if (fe->preset_threaded ||
2271 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
2272 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
2274 changed_preset(fe); /* Put the old preset back! */
2275 if (!get_config(fe, which))
2278 midend_new_game(fe->me);
2280 midend_redraw(fe->me);
2283 #ifndef HELP_BROWSER_PATH
2284 #define HELP_BROWSER_PATH "xdg-open:sensible-browser"
2287 static void show_help(frontend *fe, const char *topic)
2289 const char *list = HELP_BROWSER_PATH;
2290 char path[PATH_MAX + 1];
2298 * Search for help file, trying:
2299 * 1. Version for this locale, ignoring encoding (HTML browsers
2300 * must handle multiple encodings)
2301 * 2. Version for this locale, ignoring encoding and country
2302 * 3. English version
2304 lang[0].s = setlocale(LC_MESSAGES, NULL);
2305 lang[0].len = strcspn(lang[0].s, ".@");
2306 lang[1].s = lang[0].s;
2307 lang[1].len = strcspn(lang[1].s, "_");
2308 if (lang[1].len > lang[0].len)
2309 lang[1].len = lang[0].len;
2312 for (i = 0; i < lenof(lang); i++) {
2313 sprintf(path, "%s/sgt-puzzles/help/%.*s/%s.html",
2314 SHAREDIR, lang[i].len, lang[i].s, topic);
2315 if (access(path, R_OK) == 0)
2318 if (i == lenof(lang)) {
2319 error_box(fe->window, "Help file is not installed");
2325 char buf[PATH_MAX + 1];
2326 const char *command;
2327 const char *argv[3];
2329 len = strcspn(list, ":");
2330 if (len <= PATH_MAX) {
2331 memcpy(buf, list, len);
2334 command = getenv(buf + 1);
2341 if (g_spawn_async(NULL, (char **)argv, NULL,
2342 G_SPAWN_SEARCH_PATH,
2343 NULL, NULL, NULL, NULL))
2353 error_box(fe->window, "Failed to start a help browser");
2356 static void menu_help_contents_event(GtkMenuItem *menuitem, gpointer data)
2358 show_help((frontend *)data, "index");
2361 static void menu_help_specific_event(GtkMenuItem *menuitem, gpointer data)
2363 show_help((frontend *)data, thegame.htmlhelp_topic);
2366 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
2368 frontend *fe = (frontend *)data;
2370 #if GTK_CHECK_VERSION(3,0,0)
2371 extern char *const *const xpm_icons[];
2372 extern const int n_xpm_icons;
2373 GdkPixbuf *icon = gdk_pixbuf_new_from_xpm_data
2374 ((const gchar **)xpm_icons[n_xpm_icons-1]);
2375 gtk_show_about_dialog
2376 (GTK_WINDOW(fe->window),
2377 "program-name", thegame.name,
2379 "comments", "Part of Simon Tatham's Portable Puzzle Collection",
2381 (const gchar *)NULL);
2382 g_object_unref(G_OBJECT(icon));
2387 sprintf(titlebuf, "About %.200s", thegame.name);
2390 "from Simon Tatham's Portable Puzzle Collection\n\n"
2391 "%.500s", thegame.name, ver);
2393 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
2397 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
2398 char *text, int key)
2400 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
2402 gtk_container_add(cont, menuitem);
2403 g_object_set_data(G_OBJECT(menuitem), "user-data", GINT_TO_POINTER(key));
2404 g_signal_connect(G_OBJECT(menuitem), "activate",
2405 G_CALLBACK(menu_key_event), fe);
2406 switch (key & ~0x1F) {
2409 keyqual = GDK_CONTROL_MASK;
2413 keyqual = GDK_SHIFT_MASK;
2419 gtk_widget_add_accelerator(menuitem,
2420 "activate", fe->accelgroup,
2423 gtk_widget_show(menuitem);
2427 static void add_menu_separator(GtkContainer *cont)
2429 GtkWidget *menuitem = gtk_menu_item_new();
2430 gtk_container_add(cont, menuitem);
2431 gtk_widget_show(menuitem);
2434 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
2436 static frontend *new_window(char *arg, int argtype, char **error)
2439 GtkBox *vbox, *hbox;
2440 GtkWidget *menu, *menuitem;
2444 extern char *const *const xpm_icons[];
2445 extern const int n_xpm_icons;
2447 fe = snew(frontend);
2449 fe->timer_active = FALSE;
2452 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
2462 err = midend_game_id(fe->me, arg);
2464 midend_new_game(fe->me);
2466 sprintf(errbuf, "Invalid game ID: %.800s", err);
2469 fp = fopen(arg, "r");
2471 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
2473 err = midend_deserialise(fe->me, savefile_read, fp);
2475 sprintf(errbuf, "Invalid save file: %.800s", err);
2479 default /*case ARG_EITHER*/:
2481 * First try treating the argument as a game ID.
2483 err = midend_game_id(fe->me, arg);
2486 * It's a valid game ID.
2488 midend_new_game(fe->me);
2490 FILE *fp = fopen(arg, "r");
2492 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
2493 " nor a save file (%.400s)", err, strerror(errno));
2495 err = midend_deserialise(fe->me, savefile_read, fp);
2497 sprintf(errbuf, "%.800s", err);
2504 *error = dupstr(errbuf);
2505 midend_free(fe->me);
2511 midend_new_game(fe->me);
2514 #if !GTK_CHECK_VERSION(3,0,0)
2517 * try_shrink_drawing_area() will do some fiddling with the
2518 * window size request (see comment in that function) after
2519 * all the bits and pieces such as the menu bar and status bar
2520 * have appeared in the puzzle window.
2522 * However, on Unity systems, the menu bar _doesn't_ appear in
2523 * the puzzle window, because the Unity shell hijacks it into
2524 * the menu bar at the very top of the screen. We therefore
2525 * try to detect that situation here, so that we don't sit
2526 * here forever waiting for a menu bar.
2528 const char prop[] = "gtk-shell-shows-menubar";
2529 GtkSettings *settings = gtk_settings_get_default();
2530 if (!g_object_class_find_property(G_OBJECT_GET_CLASS(settings),
2532 fe->menubar_is_local = TRUE;
2535 g_object_get(gtk_settings_get_default(),
2537 (const gchar *)NULL);
2538 fe->menubar_is_local = !unity_mode;
2543 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2544 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
2546 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
2547 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
2548 gtk_widget_show(GTK_WIDGET(vbox));
2550 fe->accelgroup = gtk_accel_group_new();
2551 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
2553 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2554 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2555 gtk_widget_show(GTK_WIDGET(hbox));
2557 fe->menubar = gtk_menu_bar_new();
2558 gtk_box_pack_start(hbox, fe->menubar, TRUE, TRUE, 0);
2559 gtk_widget_show(fe->menubar);
2561 menuitem = gtk_menu_item_new_with_mnemonic("_Game");
2562 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2563 gtk_widget_show(menuitem);
2565 menu = gtk_menu_new();
2566 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2568 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
2570 menuitem = gtk_menu_item_new_with_label("Restart");
2571 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2572 g_signal_connect(G_OBJECT(menuitem), "activate",
2573 G_CALLBACK(menu_restart_event), fe);
2574 gtk_widget_show(menuitem);
2576 menuitem = gtk_menu_item_new_with_label("Specific...");
2577 g_object_set_data(G_OBJECT(menuitem), "user-data",
2578 GINT_TO_POINTER(CFG_DESC));
2579 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2580 g_signal_connect(G_OBJECT(menuitem), "activate",
2581 G_CALLBACK(menu_config_event), fe);
2582 gtk_widget_show(menuitem);
2584 menuitem = gtk_menu_item_new_with_label("Random Seed...");
2585 g_object_set_data(G_OBJECT(menuitem), "user-data",
2586 GINT_TO_POINTER(CFG_SEED));
2587 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2588 g_signal_connect(G_OBJECT(menuitem), "activate",
2589 G_CALLBACK(menu_config_event), fe);
2590 gtk_widget_show(menuitem);
2592 fe->preset_radio = NULL;
2593 fe->preset_custom = NULL;
2594 fe->n_preset_menu_items = 0;
2595 fe->preset_threaded = FALSE;
2596 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
2600 menuitem = gtk_menu_item_new_with_mnemonic("_Type");
2601 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2602 gtk_widget_show(menuitem);
2604 submenu = gtk_menu_new();
2605 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
2607 for (i = 0; i < n; i++) {
2609 game_params *params;
2611 midend_fetch_preset(fe->me, i, &name, ¶ms);
2614 gtk_radio_menu_item_new_with_label(fe->preset_radio, name);
2616 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2617 fe->n_preset_menu_items++;
2618 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2619 g_object_set_data(G_OBJECT(menuitem), "user-data", params);
2620 g_signal_connect(G_OBJECT(menuitem), "activate",
2621 G_CALLBACK(menu_preset_event), fe);
2622 gtk_widget_show(menuitem);
2625 if (thegame.can_configure) {
2626 menuitem = fe->preset_custom =
2627 gtk_radio_menu_item_new_with_label(fe->preset_radio,
2630 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2631 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2632 g_object_set_data(G_OBJECT(menuitem), "user-data",
2633 GINT_TO_POINTER(CFG_SETTINGS));
2634 g_signal_connect(G_OBJECT(menuitem), "activate",
2635 G_CALLBACK(menu_config_event), fe);
2636 gtk_widget_show(menuitem);
2641 add_menu_separator(GTK_CONTAINER(menu));
2642 menuitem = gtk_menu_item_new_with_label("Load...");
2643 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2644 g_signal_connect(G_OBJECT(menuitem), "activate",
2645 G_CALLBACK(menu_load_event), fe);
2646 gtk_widget_show(menuitem);
2647 menuitem = gtk_menu_item_new_with_label("Save...");
2648 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2649 g_signal_connect(G_OBJECT(menuitem), "activate",
2650 G_CALLBACK(menu_save_event), fe);
2651 gtk_widget_show(menuitem);
2652 #ifndef STYLUS_BASED
2653 add_menu_separator(GTK_CONTAINER(menu));
2654 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
2655 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
2657 if (thegame.can_format_as_text_ever) {
2658 add_menu_separator(GTK_CONTAINER(menu));
2659 menuitem = gtk_menu_item_new_with_label("Copy");
2660 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2661 g_signal_connect(G_OBJECT(menuitem), "activate",
2662 G_CALLBACK(menu_copy_event), fe);
2663 gtk_widget_show(menuitem);
2664 fe->copy_menu_item = menuitem;
2666 fe->copy_menu_item = NULL;
2668 if (thegame.can_solve) {
2669 add_menu_separator(GTK_CONTAINER(menu));
2670 menuitem = gtk_menu_item_new_with_label("Solve");
2671 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2672 g_signal_connect(G_OBJECT(menuitem), "activate",
2673 G_CALLBACK(menu_solve_event), fe);
2674 gtk_widget_show(menuitem);
2676 add_menu_separator(GTK_CONTAINER(menu));
2677 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
2679 menuitem = gtk_menu_item_new_with_mnemonic("_Help");
2680 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2681 gtk_widget_show(menuitem);
2683 menu = gtk_menu_new();
2684 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2686 menuitem = gtk_menu_item_new_with_label("Contents");
2687 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2688 g_signal_connect(G_OBJECT(menuitem), "activate",
2689 G_CALLBACK(menu_help_contents_event), fe);
2690 gtk_widget_show(menuitem);
2692 if (thegame.htmlhelp_topic) {
2694 assert(thegame.name);
2695 item = snewn(9+strlen(thegame.name), char); /*ick*/
2696 sprintf(item, "Help on %s", thegame.name);
2697 menuitem = gtk_menu_item_new_with_label(item);
2699 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2700 g_signal_connect(G_OBJECT(menuitem), "activate",
2701 G_CALLBACK(menu_help_specific_event), fe);
2702 gtk_widget_show(menuitem);
2705 menuitem = gtk_menu_item_new_with_label("About");
2706 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2707 g_signal_connect(G_OBJECT(menuitem), "activate",
2708 G_CALLBACK(menu_about_event), fe);
2709 gtk_widget_show(menuitem);
2712 menuitem=gtk_button_new_with_mnemonic("_Redo");
2713 g_object_set_data(G_OBJECT(menuitem), "user-data",
2714 GINT_TO_POINTER((int)('r')));
2715 g_signal_connect(G_OBJECT(menuitem), "clicked",
2716 G_CALLBACK(menu_key_event), fe);
2717 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2718 gtk_widget_show(menuitem);
2720 menuitem=gtk_button_new_with_mnemonic("_Undo");
2721 g_object_set_data(G_OBJECT(menuitem), "user-data",
2722 GINT_TO_POINTER((int)('u')));
2723 g_signal_connect(G_OBJECT(menuitem), "clicked",
2724 G_CALLBACK(menu_key_event), fe);
2725 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2726 gtk_widget_show(menuitem);
2728 if (thegame.flags & REQUIRE_NUMPAD) {
2729 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2730 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2731 gtk_widget_show(GTK_WIDGET(hbox));
2735 for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
2736 menuitem=gtk_button_new_with_label(errbuf);
2737 g_object_set_data(G_OBJECT(menuitem), "user-data",
2738 GINT_TO_POINTER((int)(errbuf[0])));
2739 g_signal_connect(G_OBJECT(menuitem), "clicked",
2740 G_CALLBACK(menu_key_event), fe);
2741 gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0);
2742 gtk_widget_show(menuitem);
2745 #endif /* STYLUS_BASED */
2749 snaffle_colours(fe);
2751 if (midend_wants_statusbar(fe->me)) {
2752 GtkWidget *viewport;
2755 viewport = gtk_viewport_new(NULL, NULL);
2756 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
2757 fe->statusbar = gtk_statusbar_new();
2758 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
2759 gtk_widget_show(viewport);
2760 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
2761 gtk_widget_show(fe->statusbar);
2762 fe->statusctx = gtk_statusbar_get_context_id
2763 (GTK_STATUSBAR(fe->statusbar), "game");
2764 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
2765 DEFAULT_STATUSBAR_TEXT);
2766 #if GTK_CHECK_VERSION(3,0,0)
2767 gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
2769 gtk_widget_size_request(fe->statusbar, &req);
2771 gtk_widget_set_size_request(viewport, -1, req.height);
2773 fe->statusbar = NULL;
2775 fe->area = gtk_drawing_area_new();
2776 #if GTK_CHECK_VERSION(2,0,0) && !GTK_CHECK_VERSION(3,0,0)
2777 gtk_widget_set_double_buffered(fe->area, FALSE);
2781 geom.base_width = 0;
2782 #if GTK_CHECK_VERSION(3,0,0)
2783 geom.base_height = window_extra_height(fe);
2784 gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), NULL,
2785 &geom, GDK_HINT_BASE_SIZE);
2787 geom.base_height = 0;
2788 gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), fe->area,
2789 &geom, GDK_HINT_BASE_SIZE);
2794 get_size(fe, &x, &y);
2795 #if GTK_CHECK_VERSION(3,0,0)
2796 gtk_window_set_default_size(GTK_WINDOW(fe->window),
2797 x, y + window_extra_height(fe));
2799 fe->drawing_area_shrink_pending = FALSE;
2800 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
2803 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
2805 clear_backing_store(fe);
2807 fe->nfonts = fe->fontsize = 0;
2809 fe->paste_data = NULL;
2810 fe->paste_data_len = 0;
2812 g_signal_connect(G_OBJECT(fe->window), "destroy",
2813 G_CALLBACK(destroy), fe);
2814 g_signal_connect(G_OBJECT(fe->window), "key_press_event",
2815 G_CALLBACK(key_event), fe);
2816 g_signal_connect(G_OBJECT(fe->area), "button_press_event",
2817 G_CALLBACK(button_event), fe);
2818 g_signal_connect(G_OBJECT(fe->area), "button_release_event",
2819 G_CALLBACK(button_event), fe);
2820 g_signal_connect(G_OBJECT(fe->area), "motion_notify_event",
2821 G_CALLBACK(motion_event), fe);
2822 g_signal_connect(G_OBJECT(fe->area), "selection_get",
2823 G_CALLBACK(selection_get), fe);
2824 g_signal_connect(G_OBJECT(fe->area), "selection_clear_event",
2825 G_CALLBACK(selection_clear), fe);
2826 #if GTK_CHECK_VERSION(3,0,0)
2827 g_signal_connect(G_OBJECT(fe->area), "draw",
2828 G_CALLBACK(draw_area), fe);
2830 g_signal_connect(G_OBJECT(fe->area), "expose_event",
2831 G_CALLBACK(expose_area), fe);
2833 g_signal_connect(G_OBJECT(fe->window), "map_event",
2834 G_CALLBACK(map_window), fe);
2835 g_signal_connect(G_OBJECT(fe->area), "configure_event",
2836 G_CALLBACK(configure_area), fe);
2837 g_signal_connect(G_OBJECT(fe->window), "configure_event",
2838 G_CALLBACK(configure_window), fe);
2840 gtk_widget_add_events(GTK_WIDGET(fe->area),
2841 GDK_BUTTON_PRESS_MASK |
2842 GDK_BUTTON_RELEASE_MASK |
2843 GDK_BUTTON_MOTION_MASK |
2844 GDK_POINTER_MOTION_HINT_MASK);
2847 gtk_window_set_icon(GTK_WINDOW(fe->window),
2848 gdk_pixbuf_new_from_xpm_data
2849 ((const gchar **)xpm_icons[0]));
2852 for (n = 0; n < n_xpm_icons; n++) {
2854 g_list_append(iconlist,
2855 gdk_pixbuf_new_from_xpm_data((const gchar **)
2858 gtk_window_set_icon_list(GTK_WINDOW(fe->window), iconlist);
2861 gtk_widget_show(fe->area);
2862 gtk_widget_show(fe->window);
2864 #if !GTK_CHECK_VERSION(3,0,0)
2865 fe->drawing_area_shrink_pending = TRUE;
2866 try_shrink_drawing_area(fe);
2869 set_window_background(fe, 0);
2874 char *fgetline(FILE *fp)
2876 char *ret = snewn(512, char);
2877 int size = 512, len = 0;
2878 while (fgets(ret + len, size - len, fp)) {
2879 len += strlen(ret + len);
2880 if (ret[len-1] == '\n')
2881 break; /* got a newline, we're done */
2883 ret = sresize(ret, size, char);
2885 if (len == 0) { /* first fgets returned NULL */
2893 int main(int argc, char **argv)
2895 char *pname = argv[0];
2897 int ngenerate = 0, print = FALSE, px = 1, py = 1;
2898 int time_generation = FALSE, test_solve = FALSE, list_presets = FALSE;
2899 int soln = FALSE, colour = FALSE;
2901 float redo_proportion = 0.0F;
2902 char *savefile = NULL, *savesuffix = NULL;
2904 int argtype = ARG_EITHER;
2905 char *screenshot_file = NULL;
2906 int doing_opts = TRUE;
2912 * Command line parsing in this function is rather fiddly,
2913 * because GTK wants to have a go at argc/argv _first_ - and
2914 * yet we can't let it, because gtk_init() will bomb out if it
2915 * can't open an X display, whereas in fact we want to permit
2916 * our --generate and --print modes to run without an X
2920 * - we parse the command line ourselves, without modifying
2922 * - if we encounter an error which might plausibly be the
2923 * result of a GTK command line (i.e. not detailed errors in
2924 * particular options of ours) we store the error message
2925 * and terminate parsing.
2926 * - if we got enough out of the command line to know it
2927 * specifies a non-X mode of operation, we either display
2928 * the stored error and return failure, or if there is no
2929 * stored error we do the non-X operation and return
2931 * - otherwise, we go straight to gtk_init().
2937 if (doing_opts && !strcmp(p, "--version")) {
2938 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
2941 } else if (doing_opts && !strcmp(p, "--generate")) {
2943 ngenerate = atoi(*++av);
2945 fprintf(stderr, "%s: '--generate' expected a number\n",
2951 } else if (doing_opts && !strcmp(p, "--time-generation")) {
2952 time_generation = TRUE;
2953 } else if (doing_opts && !strcmp(p, "--test-solve")) {
2955 } else if (doing_opts && !strcmp(p, "--list-presets")) {
2956 list_presets = TRUE;
2957 } else if (doing_opts && !strcmp(p, "--save")) {
2961 fprintf(stderr, "%s: '--save' expected a filename\n",
2965 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
2966 !strcmp(p, "--savesuffix"))) {
2970 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
2974 } else if (doing_opts && !strcmp(p, "--print")) {
2975 if (!thegame.can_print) {
2976 fprintf(stderr, "%s: this game does not support printing\n",
2983 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
2984 fprintf(stderr, "%s: unable to parse argument '%s' to "
2985 "'--print'\n", pname, dim);
2991 } else if (doing_opts && !strcmp(p, "--scale")) {
2993 scale = atof(*++av);
2995 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2999 } else if (doing_opts && !strcmp(p, "--redo")) {
3001 * This is an internal option which I don't expect
3002 * users to have any particular use for. The effect of
3003 * --redo is that once the game has been loaded and
3004 * initialised, the next move in the redo chain is
3005 * replayed, and the game screen is redrawn part way
3006 * through the making of the move. This is only
3007 * meaningful if there _is_ a next move in the redo
3008 * chain, which means in turn that this option is only
3009 * useful if you're also passing a save file on the
3012 * This option is used by the script which generates
3013 * the puzzle icons and website screenshots, and I
3014 * don't imagine it's useful for anything else.
3015 * (Unless, I suppose, users don't like my screenshots
3016 * and want to generate their own in the same way for
3017 * some repackaged version of the puzzles.)
3020 redo_proportion = atof(*++av);
3022 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
3026 } else if (doing_opts && !strcmp(p, "--screenshot")) {
3028 * Another internal option for the icon building
3029 * script. This causes a screenshot of the central
3030 * drawing area (i.e. not including the menu bar or
3031 * status bar) to be saved to a PNG file once the
3032 * window has been drawn, and then the application
3033 * quits immediately.
3036 screenshot_file = *++av;
3038 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
3042 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
3043 !strcmp(p, "--with-solution") ||
3044 !strcmp(p, "--with-solns") ||
3045 !strcmp(p, "--with-soln") ||
3046 !strcmp(p, "--solutions") ||
3047 !strcmp(p, "--solution") ||
3048 !strcmp(p, "--solns") ||
3049 !strcmp(p, "--soln"))) {
3051 } else if (doing_opts && !strcmp(p, "--colour")) {
3052 if (!thegame.can_print_in_colour) {
3053 fprintf(stderr, "%s: this game does not support colour"
3054 " printing\n", pname);
3058 } else if (doing_opts && !strcmp(p, "--load")) {
3060 } else if (doing_opts && !strcmp(p, "--game")) {
3062 } else if (doing_opts && !strcmp(p, "--")) {
3064 } else if (!doing_opts || p[0] != '-') {
3066 fprintf(stderr, "%s: more than one argument supplied\n",
3072 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
3079 * Special standalone mode for generating puzzle IDs on the
3080 * command line. Useful for generating puzzles to be printed
3081 * out and solved offline (for puzzles where that even makes
3082 * sense - Solo, for example, is a lot more pencil-and-paper
3083 * friendly than Twiddle!)
3087 * <puzzle-name> --generate [<n> [<params>]]
3089 * <n>, if present, is the number of puzzle IDs to generate.
3090 * <params>, if present, is the same type of parameter string
3091 * you would pass to the puzzle when running it in GUI mode,
3092 * including optional extras such as the expansion factor in
3093 * Rectangles and the difficulty level in Solo.
3095 * If you specify <params>, you must also specify <n> (although
3096 * you may specify it to be 1). Sorry; that was the
3097 * simplest-to-parse command-line syntax I came up with.
3099 if (ngenerate > 0 || print || savefile || savesuffix) {
3103 document *doc = NULL;
3106 * If we're in this branch, we should display any pending
3107 * error message from the command line, since GTK isn't going
3108 * to take another crack at making sense of it.
3111 fputs(errbuf, stderr);
3117 me = midend_new(NULL, &thegame, NULL, NULL);
3120 if (savefile && !savesuffix)
3122 if (!savefile && savesuffix)
3126 doc = document_new(px, py, scale);
3129 * In this loop, we either generate a game ID or read one
3130 * from stdin depending on whether we're in generate mode;
3131 * then we either write it to stdout or print it, depending
3132 * on whether we're in print mode. Thus, this loop handles
3133 * generate-to-stdout, print-from-stdin and generate-and-
3134 * immediately-print modes.
3136 * (It could also handle a copy-stdin-to-stdout mode,
3137 * although there's currently no combination of options
3138 * which will cause this loop to be activated in that mode.
3139 * It wouldn't be _entirely_ pointless, though, because
3140 * stdin could contain bare params strings or random-seed
3141 * IDs, and stdout would contain nothing but fully
3142 * generated descriptive game IDs.)
3144 while (ngenerate == 0 || i < n) {
3145 char *pstr, *err, *seed;
3146 struct rusage before, after;
3148 if (ngenerate == 0) {
3149 pstr = fgetline(stdin);
3152 pstr[strcspn(pstr, "\r\n")] = '\0';
3155 pstr = snewn(strlen(arg) + 40, char);
3158 if (i > 0 && strchr(arg, '#'))
3159 sprintf(pstr + strlen(pstr), "-%d", i);
3165 err = midend_game_id(me, pstr);
3167 fprintf(stderr, "%s: error parsing '%s': %s\n",
3173 if (time_generation)
3174 getrusage(RUSAGE_SELF, &before);
3176 midend_new_game(me);
3178 seed = midend_get_random_seed(me);
3180 if (time_generation) {
3183 getrusage(RUSAGE_SELF, &after);
3185 elapsed = (after.ru_utime.tv_sec -
3186 before.ru_utime.tv_sec);
3187 elapsed += (after.ru_utime.tv_usec -
3188 before.ru_utime.tv_usec) / 1000000.0;
3190 printf("%s %s: %.6f\n", thegame.name, seed, elapsed);
3193 if (test_solve && thegame.can_solve) {
3195 * Now destroy the aux_info in the midend, by means of
3196 * re-entering the same game id, and then try to solve
3199 char *game_id, *err;
3201 game_id = midend_get_game_id(me);
3202 err = midend_game_id(me, game_id);
3204 fprintf(stderr, "%s %s: game id re-entry error: %s\n",
3205 thegame.name, seed, err);
3208 midend_new_game(me);
3211 err = midend_solve(me);
3213 * If the solve operation returned the error "Solution
3214 * not known for this puzzle", that's OK, because that
3215 * just means it's a puzzle for which we don't have an
3216 * algorithmic solver and hence can't solve it without
3217 * the aux_info, e.g. Netslide. Any other error is a
3220 if (err && strcmp(err, "Solution not known for this puzzle")) {
3221 fprintf(stderr, "%s %s: solve error: %s\n",
3222 thegame.name, seed, err);
3231 err = midend_print_puzzle(me, doc, soln);
3233 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
3238 struct savefile_write_ctx ctx;
3239 char *realname = snewn(40 + strlen(savefile) +
3240 strlen(savesuffix), char);
3241 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
3244 char *err = midend_solve(me);
3246 fprintf(stderr, "%s: unable to show solution: %s\n",
3252 ctx.fp = fopen(realname, "w");
3254 fprintf(stderr, "%s: open: %s\n", realname,
3259 midend_serialise(me, savefile_write, &ctx);
3261 fprintf(stderr, "%s: write: %s\n", realname,
3262 strerror(ctx.error));
3265 if (fclose(ctx.fp)) {
3266 fprintf(stderr, "%s: close: %s\n", realname,
3272 if (!doc && !savefile && !time_generation) {
3273 id = midend_get_game_id(me);
3282 psdata *ps = ps_init(stdout, colour);
3283 document_print(doc, ps_drawing_api(ps));
3291 } else if (list_presets) {
3293 * Another specialist mode which causes the puzzle to list the
3294 * game_params strings for all its preset configurations.
3299 me = midend_new(NULL, &thegame, NULL, NULL);
3300 npresets = midend_num_presets(me);
3302 for (i = 0; i < npresets; i++) {
3303 game_params *params;
3304 char *name, *paramstr;
3306 midend_fetch_preset(me, i, &name, ¶ms);
3307 paramstr = thegame.encode_params(params, TRUE);
3309 printf("%s %s\n", paramstr, name);
3318 gtk_init(&argc, &argv);
3320 fe = new_window(arg, argtype, &error);
3323 fprintf(stderr, "%s: %s\n", pname, error);
3327 if (screenshot_file) {
3329 * Some puzzles will not redraw their entire area if
3330 * given a partially completed animation, which means
3331 * we must redraw now and _then_ redraw again after
3332 * freezing the move timer.
3334 midend_force_redraw(fe->me);
3337 if (redo_proportion) {
3339 midend_process_key(fe->me, 0, 0, 'r');
3340 /* And freeze the timer at the specified position. */
3341 midend_freeze_timer(fe->me, redo_proportion);
3344 if (screenshot_file) {
3345 save_screenshot_png(fe, screenshot_file);