2 * gtk.c: GTK front end for my puzzle collection.
15 #include <sys/resource.h>
18 #include <gdk/gdkkeysyms.h>
20 #include <gdk-pixbuf/gdk-pixbuf.h>
24 #include <X11/Xutil.h>
25 #include <X11/Xatom.h>
29 #if GTK_CHECK_VERSION(2,0,0)
31 # ifdef PANGO_VERSION_CHECK
32 # if PANGO_VERSION_CHECK(1,8,0)
33 # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
37 #if !GTK_CHECK_VERSION(2,4,0)
40 #if GTK_CHECK_VERSION(2,8,0)
42 # if GTK_CHECK_VERSION(3,0,0) || defined(GDK_DISABLE_DEPRECATED)
43 # define USE_CAIRO_WITHOUT_PIXMAP
47 #if GTK_CHECK_VERSION(3,0,0)
48 /* The old names are still more concise! */
49 #define gtk_hbox_new(x,y) gtk_box_new(GTK_ORIENTATION_HORIZONTAL,y)
50 #define gtk_vbox_new(x,y) gtk_box_new(GTK_ORIENTATION_VERTICAL,y)
51 /* GTK 3 has retired stock button labels */
52 #define LABEL_OK "_OK"
53 #define LABEL_CANCEL "_Cancel"
54 #define LABEL_NO "_No"
55 #define LABEL_YES "_Yes"
56 #define LABEL_SAVE "_Save"
57 #define LABEL_OPEN "_Open"
58 #define gtk_button_new_with_our_label gtk_button_new_with_mnemonic
60 #define LABEL_OK GTK_STOCK_OK
61 #define LABEL_CANCEL GTK_STOCK_CANCEL
62 #define LABEL_NO GTK_STOCK_NO
63 #define LABEL_YES GTK_STOCK_YES
64 #define LABEL_SAVE GTK_STOCK_SAVE
65 #define LABEL_OPEN GTK_STOCK_OPEN
66 #define gtk_button_new_with_our_label gtk_button_new_from_stock
69 /* #undef USE_CAIRO */
70 /* #define NO_THICK_LINE */
72 static FILE *debug_fp = NULL;
77 debug_fp = fopen("debug.log", "w");
88 void debug_printf(char *fmt, ...)
94 vsprintf(buf, fmt, ap);
100 /* ----------------------------------------------------------------------
101 * Error reporting functions used elsewhere.
104 void fatal(char *fmt, ...)
108 fprintf(stderr, "fatal error: ");
111 vfprintf(stderr, fmt, ap);
114 fprintf(stderr, "\n");
118 /* ----------------------------------------------------------------------
119 * GTK front end to puzzles.
122 static void changed_preset(frontend *fe);
126 PangoFontDescription *desc;
135 * This structure holds all the data relevant to a single window.
136 * In principle this would allow us to open multiple independent
137 * puzzle windows, although I can't currently see any real point in
138 * doing so. I'm just coding cleanly because there's no
139 * particularly good reason not to.
143 GtkAccelGroup *accelgroup;
145 GtkWidget *statusbar;
151 const float *colours;
153 cairo_surface_t *image;
154 #ifndef USE_CAIRO_WITHOUT_PIXMAP
157 GdkColor background; /* for painting outside puzzle area */
163 int backgroundindex; /* which of colours[] is background */
166 int bbox_l, bbox_r, bbox_u, bbox_d;
167 int timer_active, timer_id;
168 struct timeval last_time;
170 int nfonts, fontsize;
172 int cfg_which, cfgret;
176 int pw, ph; /* pixmap size (w, h are area size) */
177 int ox, oy; /* offset of pixmap in drawing area */
181 GSList *preset_radio;
182 int n_preset_menu_items;
184 GtkWidget *preset_custom;
185 GtkWidget *copy_menu_item;
186 #if !GTK_CHECK_VERSION(3,0,0)
187 int drawing_area_shrink_pending;
188 int menubar_is_local;
194 cairo_surface_t *image;
201 void get_random_seed(void **randseed, int *randseedsize)
203 struct timeval *tvp = snew(struct timeval);
204 gettimeofday(tvp, NULL);
205 *randseed = (void *)tvp;
206 *randseedsize = sizeof(struct timeval);
209 void frontend_default_colour(frontend *fe, float *output)
211 #if !GTK_CHECK_VERSION(3,0,0)
213 * Use the widget style's default background colour as the
214 * background for the puzzle drawing area.
216 GdkColor col = gtk_widget_get_style(fe->window)->bg[GTK_STATE_NORMAL];
217 output[0] = col.red / 65535.0;
218 output[1] = col.green / 65535.0;
219 output[2] = col.blue / 65535.0;
222 * GTK 3 has decided that there's no such thing as a 'default
223 * background colour' any more, because widget styles might set
224 * the background to something more complicated like a background
225 * image. We don't want to get into overlaying our entire puzzle
226 * on an arbitrary background image, so we'll just make up a
227 * reasonable shade of grey.
229 output[0] = output[1] = output[2] = 0.9F;
233 void gtk_status_bar(void *handle, char *text)
235 frontend *fe = (frontend *)handle;
237 assert(fe->statusbar);
239 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
240 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
243 /* ----------------------------------------------------------------------
244 * Cairo drawing functions.
249 static void setup_drawing(frontend *fe)
251 fe->cr = cairo_create(fe->image);
252 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_GRAY);
253 cairo_set_line_width(fe->cr, 1.0);
254 cairo_set_line_cap(fe->cr, CAIRO_LINE_CAP_SQUARE);
255 cairo_set_line_join(fe->cr, CAIRO_LINE_JOIN_ROUND);
258 static void teardown_drawing(frontend *fe)
260 cairo_destroy(fe->cr);
263 #ifndef USE_CAIRO_WITHOUT_PIXMAP
265 cairo_t *cr = gdk_cairo_create(fe->pixmap);
266 cairo_set_source_surface(cr, fe->image, 0, 0);
270 fe->bbox_r - fe->bbox_l + 2,
271 fe->bbox_d - fe->bbox_u + 2);
278 static void snaffle_colours(frontend *fe)
280 fe->colours = midend_colours(fe->me, &fe->ncolours);
283 static void set_colour(frontend *fe, int colour)
285 cairo_set_source_rgb(fe->cr,
286 fe->colours[3*colour + 0],
287 fe->colours[3*colour + 1],
288 fe->colours[3*colour + 2]);
291 static void set_window_background(frontend *fe, int colour)
293 #if GTK_CHECK_VERSION(3,0,0)
295 rgba.red = fe->colours[3*colour + 0];
296 rgba.green = fe->colours[3*colour + 1];
297 rgba.blue = fe->colours[3*colour + 2];
299 gdk_window_set_background_rgba(gtk_widget_get_window(fe->area), &rgba);
300 gdk_window_set_background_rgba(gtk_widget_get_window(fe->window), &rgba);
304 colmap = gdk_colormap_get_system();
305 fe->background.red = fe->colours[3*colour + 0] * 65535;
306 fe->background.green = fe->colours[3*colour + 1] * 65535;
307 fe->background.blue = fe->colours[3*colour + 2] * 65535;
308 if (!gdk_colormap_alloc_color(colmap, &fe->background, FALSE, FALSE)) {
309 g_error("couldn't allocate background (#%02x%02x%02x)\n",
310 fe->background.red >> 8, fe->background.green >> 8,
311 fe->background.blue >> 8);
313 gdk_window_set_background(gtk_widget_get_window(fe->area),
315 gdk_window_set_background(gtk_widget_get_window(fe->window),
320 static PangoLayout *make_pango_layout(frontend *fe)
322 return (pango_cairo_create_layout(fe->cr));
325 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
328 cairo_move_to(fe->cr, x, y);
329 pango_cairo_show_layout(fe->cr, layout);
332 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
334 cairo_surface_write_to_png(fe->image, screenshot_file);
337 static void do_clip(frontend *fe, int x, int y, int w, int h)
339 cairo_new_path(fe->cr);
340 cairo_rectangle(fe->cr, x, y, w, h);
344 static void do_unclip(frontend *fe)
346 cairo_reset_clip(fe->cr);
349 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
352 cairo_new_path(fe->cr);
353 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_NONE);
354 cairo_rectangle(fe->cr, x, y, w, h);
356 cairo_restore(fe->cr);
359 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
361 cairo_new_path(fe->cr);
362 cairo_move_to(fe->cr, x1 + 0.5, y1 + 0.5);
363 cairo_line_to(fe->cr, x2 + 0.5, y2 + 0.5);
364 cairo_stroke(fe->cr);
367 static void do_draw_thick_line(frontend *fe, float thickness,
368 float x1, float y1, float x2, float y2)
371 cairo_set_line_width(fe->cr, thickness);
372 cairo_new_path(fe->cr);
373 cairo_move_to(fe->cr, x1, y1);
374 cairo_line_to(fe->cr, x2, y2);
375 cairo_stroke(fe->cr);
376 cairo_restore(fe->cr);
379 static void do_draw_poly(frontend *fe, int *coords, int npoints,
380 int fillcolour, int outlinecolour)
384 cairo_new_path(fe->cr);
385 for (i = 0; i < npoints; i++)
386 cairo_line_to(fe->cr, coords[i*2] + 0.5, coords[i*2 + 1] + 0.5);
387 cairo_close_path(fe->cr);
388 if (fillcolour >= 0) {
389 set_colour(fe, fillcolour);
390 cairo_fill_preserve(fe->cr);
392 assert(outlinecolour >= 0);
393 set_colour(fe, outlinecolour);
394 cairo_stroke(fe->cr);
397 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
398 int fillcolour, int outlinecolour)
400 cairo_new_path(fe->cr);
401 cairo_arc(fe->cr, cx + 0.5, cy + 0.5, radius, 0, 2*PI);
402 cairo_close_path(fe->cr); /* Just in case... */
403 if (fillcolour >= 0) {
404 set_colour(fe, fillcolour);
405 cairo_fill_preserve(fe->cr);
407 assert(outlinecolour >= 0);
408 set_colour(fe, outlinecolour);
409 cairo_stroke(fe->cr);
412 static void setup_blitter(blitter *bl, int w, int h)
414 bl->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24, w, h);
417 static void teardown_blitter(blitter *bl)
419 cairo_surface_destroy(bl->image);
422 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
424 cairo_t *cr = cairo_create(bl->image);
426 cairo_set_source_surface(cr, fe->image, -x, -y);
431 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
433 cairo_set_source_surface(fe->cr, bl->image, x, y);
437 static void clear_backing_store(frontend *fe)
442 static void wipe_and_destroy_cairo(frontend *fe, cairo_t *cr)
444 cairo_set_source_rgb(cr, fe->colours[0], fe->colours[1], fe->colours[2]);
449 static void setup_backing_store(frontend *fe)
451 #ifndef USE_CAIRO_WITHOUT_PIXMAP
452 fe->pixmap = gdk_pixmap_new(gtk_widget_get_window(fe->area),
455 fe->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
458 wipe_and_destroy_cairo(fe, cairo_create(fe->image));
459 #ifndef USE_CAIRO_WITHOUT_PIXMAP
460 wipe_and_destroy_cairo(fe, gdk_cairo_create(fe->pixmap));
462 wipe_and_destroy_cairo(fe, gdk_cairo_create
463 (gtk_widget_get_window(fe->area)));
466 static int backing_store_ok(frontend *fe)
468 return (!!fe->image);
471 static void teardown_backing_store(frontend *fe)
473 cairo_surface_destroy(fe->image);
474 #ifndef USE_CAIRO_WITHOUT_PIXMAP
475 gdk_pixmap_unref(fe->pixmap);
482 /* ----------------------------------------------------------------------
483 * GDK drawing functions.
488 static void setup_drawing(frontend *fe)
490 fe->gc = gdk_gc_new(fe->area->window);
493 static void teardown_drawing(frontend *fe)
495 gdk_gc_unref(fe->gc);
499 static void snaffle_colours(frontend *fe)
505 fe->colmap = gdk_colormap_get_system();
506 colours = midend_colours(fe->me, &ncolours);
507 fe->ncolours = ncolours;
508 fe->colours = snewn(ncolours, GdkColor);
509 for (i = 0; i < ncolours; i++) {
510 fe->colours[i].red = colours[i*3] * 0xFFFF;
511 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
512 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
514 success = snewn(ncolours, gboolean);
515 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
516 FALSE, FALSE, success);
517 for (i = 0; i < ncolours; i++) {
519 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
520 i, fe->colours[i].red >> 8,
521 fe->colours[i].green >> 8,
522 fe->colours[i].blue >> 8);
527 static void set_window_background(frontend *fe, int colour)
529 fe->backgroundindex = colour;
530 gdk_window_set_background(fe->area->window, &fe->colours[colour]);
531 gdk_window_set_background(fe->window->window, &fe->colours[colour]);
534 static void set_colour(frontend *fe, int colour)
536 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
540 static PangoLayout *make_pango_layout(frontend *fe)
542 return (pango_layout_new(gtk_widget_get_pango_context(fe->area)));
545 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
548 gdk_draw_layout(fe->pixmap, fe->gc, x, y, layout);
552 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
555 GError *gerror = NULL;
557 midend_redraw(fe->me);
559 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
560 NULL, 0, 0, 0, 0, -1, -1);
561 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);
564 static void do_clip(frontend *fe, int x, int y, int w, int h)
572 gdk_gc_set_clip_rectangle(fe->gc, &rect);
575 static void do_unclip(frontend *fe)
583 gdk_gc_set_clip_rectangle(fe->gc, &rect);
586 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
588 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
591 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
593 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
596 static void do_draw_thick_line(frontend *fe, float thickness,
597 float x1, float y1, float x2, float y2)
601 gdk_gc_get_values(fe->gc, &save);
602 gdk_gc_set_line_attributes(fe->gc,
607 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
608 gdk_gc_set_line_attributes(fe->gc,
615 static void do_draw_poly(frontend *fe, int *coords, int npoints,
616 int fillcolour, int outlinecolour)
618 GdkPoint *points = snewn(npoints, GdkPoint);
621 for (i = 0; i < npoints; i++) {
622 points[i].x = coords[i*2];
623 points[i].y = coords[i*2+1];
626 if (fillcolour >= 0) {
627 set_colour(fe, fillcolour);
628 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
630 assert(outlinecolour >= 0);
631 set_colour(fe, outlinecolour);
634 * In principle we ought to be able to use gdk_draw_polygon for
635 * the outline as well. In fact, it turns out to interact badly
636 * with a clipping region, for no terribly obvious reason, so I
637 * draw the outline as a sequence of lines instead.
639 for (i = 0; i < npoints; i++)
640 gdk_draw_line(fe->pixmap, fe->gc,
641 points[i].x, points[i].y,
642 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
647 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
648 int fillcolour, int outlinecolour)
650 if (fillcolour >= 0) {
651 set_colour(fe, fillcolour);
652 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
653 cx - radius, cy - radius,
654 2 * radius, 2 * radius, 0, 360 * 64);
657 assert(outlinecolour >= 0);
658 set_colour(fe, outlinecolour);
659 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
660 cx - radius, cy - radius,
661 2 * radius, 2 * radius, 0, 360 * 64);
664 static void setup_blitter(blitter *bl, int w, int h)
667 * We can't create the pixmap right now, because fe->window
668 * might not yet exist. So we just cache w and h and create it
669 * during the firs call to blitter_save.
674 static void teardown_blitter(blitter *bl)
677 gdk_pixmap_unref(bl->pixmap);
680 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
683 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
684 gdk_draw_pixmap(bl->pixmap,
685 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
687 x, y, 0, 0, bl->w, bl->h);
690 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
693 gdk_draw_pixmap(fe->pixmap,
694 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
696 0, 0, x, y, bl->w, bl->h);
699 static void clear_backing_store(frontend *fe)
704 static void setup_backing_store(frontend *fe)
708 fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1);
710 gc = gdk_gc_new(fe->area->window);
711 gdk_gc_set_foreground(gc, &fe->colours[0]);
712 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
713 gdk_draw_rectangle(fe->area->window, gc, 1, 0, 0, fe->w, fe->h);
717 static int backing_store_ok(frontend *fe)
719 return (!!fe->pixmap);
722 static void teardown_backing_store(frontend *fe)
724 gdk_pixmap_unref(fe->pixmap);
730 #ifndef USE_CAIRO_WITHOUT_PIXMAP
731 static void repaint_rectangle(frontend *fe, GtkWidget *widget,
732 int x, int y, int w, int h)
734 GdkGC *gc = gdk_gc_new(gtk_widget_get_window(widget));
736 gdk_gc_set_foreground(gc, &fe->background);
738 gdk_gc_set_foreground(gc, &fe->colours[fe->backgroundindex]);
741 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
742 TRUE, x, y, fe->ox - x, h);
747 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
748 TRUE, x, y, w, fe->oy - y);
753 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
754 TRUE, x + fe->pw, y, w - fe->pw, h);
758 gdk_draw_rectangle(gtk_widget_get_window(widget), gc,
759 TRUE, x, y + fe->ph, w, h - fe->ph);
762 gdk_draw_pixmap(gtk_widget_get_window(widget), gc, fe->pixmap,
763 x - fe->ox, y - fe->oy, x, y, w, h);
768 /* ----------------------------------------------------------------------
769 * Pango font functions.
774 static void add_font(frontend *fe, int index, int fonttype, int fontsize)
777 * Use Pango to find the closest match to the requested
780 PangoFontDescription *fd;
782 fd = pango_font_description_new();
783 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
784 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
785 "Monospace" : "Sans");
786 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
788 * I found some online Pango documentation which
789 * described a function called
790 * pango_font_description_set_absolute_size(), which is
791 * _exactly_ what I want here. Unfortunately, none of
792 * my local Pango installations have it (presumably
793 * they're too old), so I'm going to have to hack round
794 * it by figuring out the point size myself. This
795 * limits me to X and probably also breaks in later
796 * Pango installations, so ideally I should add another
797 * CHECK_VERSION type ifdef and use set_absolute_size
798 * where available. All very annoying.
800 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
801 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
804 Display *d = GDK_DISPLAY();
805 int s = DefaultScreen(d);
807 (PANGO_SCALE * 72.27 / 25.4) *
808 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
809 pango_font_description_set_size(fd, resolution * fontsize);
812 fe->fonts[index].desc = fd;
815 static void align_and_draw_text(frontend *fe,
816 int index, int align, int x, int y,
822 layout = make_pango_layout(fe);
827 pango_layout_set_font_description(layout, fe->fonts[index].desc);
828 pango_layout_set_text(layout, text, strlen(text));
829 pango_layout_get_pixel_extents(layout, NULL, &rect);
831 if (align & ALIGN_VCENTRE)
832 rect.y -= rect.height / 2;
834 rect.y -= rect.height;
836 if (align & ALIGN_HCENTRE)
837 rect.x -= rect.width / 2;
838 else if (align & ALIGN_HRIGHT)
839 rect.x -= rect.width;
841 draw_pango_layout(fe, layout, rect.x + x, rect.y + y);
843 g_object_unref(layout);
848 /* ----------------------------------------------------------------------
849 * Old-fashioned font functions.
854 static void add_font(int index, int fonttype, int fontsize)
857 * In GTK 1.2, I don't know of any plausible way to
858 * pick a suitable font, so I'm just going to be
861 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
862 "fixed" : "variable");
865 static void align_and_draw_text(int index, int align, int x, int y,
868 int lb, rb, wid, asc, desc;
871 * Measure vertical string extents with respect to the same
874 gdk_string_extents(fe->fonts[i].font,
875 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
876 &lb, &rb, &wid, &asc, &desc);
877 if (align & ALIGN_VCENTRE)
878 y += asc - (asc+desc)/2;
883 * ... but horizontal extents with respect to the provided
884 * string. This means that multiple pieces of text centred
885 * on the same y-coordinate don't have different baselines.
887 gdk_string_extents(fe->fonts[i].font, text,
888 &lb, &rb, &wid, &asc, &desc);
890 if (align & ALIGN_HCENTRE)
892 else if (align & ALIGN_HRIGHT)
896 * Actually draw the text.
898 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
903 /* ----------------------------------------------------------------------
904 * The exported drawing functions.
907 void gtk_start_draw(void *handle)
909 frontend *fe = (frontend *)handle;
917 void gtk_clip(void *handle, int x, int y, int w, int h)
919 frontend *fe = (frontend *)handle;
920 do_clip(fe, x, y, w, h);
923 void gtk_unclip(void *handle)
925 frontend *fe = (frontend *)handle;
929 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
930 int align, int colour, char *text)
932 frontend *fe = (frontend *)handle;
936 * Find or create the font.
938 for (i = 0; i < fe->nfonts; i++)
939 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
942 if (i == fe->nfonts) {
943 if (fe->fontsize <= fe->nfonts) {
944 fe->fontsize = fe->nfonts + 10;
945 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
950 fe->fonts[i].type = fonttype;
951 fe->fonts[i].size = fontsize;
952 add_font(fe, i, fonttype, fontsize);
958 set_colour(fe, colour);
959 align_and_draw_text(fe, i, align, x, y, text);
962 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
964 frontend *fe = (frontend *)handle;
965 set_colour(fe, colour);
966 do_draw_rect(fe, x, y, w, h);
969 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
971 frontend *fe = (frontend *)handle;
972 set_colour(fe, colour);
973 do_draw_line(fe, x1, y1, x2, y2);
976 void gtk_draw_thick_line(void *handle, float thickness,
977 float x1, float y1, float x2, float y2, int colour)
979 frontend *fe = (frontend *)handle;
980 set_colour(fe, colour);
981 do_draw_thick_line(fe, thickness, x1, y1, x2, y2);
984 void gtk_draw_poly(void *handle, int *coords, int npoints,
985 int fillcolour, int outlinecolour)
987 frontend *fe = (frontend *)handle;
988 do_draw_poly(fe, coords, npoints, fillcolour, outlinecolour);
991 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
992 int fillcolour, int outlinecolour)
994 frontend *fe = (frontend *)handle;
995 do_draw_circle(fe, cx, cy, radius, fillcolour, outlinecolour);
998 blitter *gtk_blitter_new(void *handle, int w, int h)
1000 blitter *bl = snew(blitter);
1001 setup_blitter(bl, w, h);
1007 void gtk_blitter_free(void *handle, blitter *bl)
1009 teardown_blitter(bl);
1013 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
1015 frontend *fe = (frontend *)handle;
1016 do_blitter_save(fe, bl, x, y);
1021 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
1023 frontend *fe = (frontend *)handle;
1024 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
1028 do_blitter_load(fe, bl, x, y);
1031 void gtk_draw_update(void *handle, int x, int y, int w, int h)
1033 frontend *fe = (frontend *)handle;
1034 if (fe->bbox_l > x ) fe->bbox_l = x ;
1035 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
1036 if (fe->bbox_u > y ) fe->bbox_u = y ;
1037 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
1040 void gtk_end_draw(void *handle)
1042 frontend *fe = (frontend *)handle;
1044 teardown_drawing(fe);
1046 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
1047 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1048 gtk_widget_queue_draw_area(fe->area,
1049 fe->bbox_l - 1 + fe->ox,
1050 fe->bbox_u - 1 + fe->oy,
1051 fe->bbox_r - fe->bbox_l + 2,
1052 fe->bbox_d - fe->bbox_u + 2);
1054 repaint_rectangle(fe, fe->area,
1055 fe->bbox_l - 1 + fe->ox,
1056 fe->bbox_u - 1 + fe->oy,
1057 fe->bbox_r - fe->bbox_l + 2,
1058 fe->bbox_d - fe->bbox_u + 2);
1064 char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings)
1067 * We assume Pango can cope with any UTF-8 likely to be emitted
1070 return dupstr(strings[0]);
1074 const struct drawing_api gtk_drawing = {
1090 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
1091 NULL, NULL, /* line_width, line_dotted */
1097 #ifdef NO_THICK_LINE
1100 gtk_draw_thick_line,
1104 static void destroy(GtkWidget *widget, gpointer data)
1106 frontend *fe = (frontend *)data;
1107 deactivate_timer(fe);
1108 midend_free(fe->me);
1112 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
1114 frontend *fe = (frontend *)data;
1116 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
1117 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
1119 if (!backing_store_ok(fe))
1122 #if !GTK_CHECK_VERSION(2,0,0)
1123 /* Gtk 1.2 passes a key event to this function even if it's also
1124 * defined as an accelerator.
1125 * Gtk 2 doesn't do this, and this function appears not to exist there. */
1126 if (fe->accelgroup &&
1127 gtk_accel_group_get_entry(fe->accelgroup,
1128 event->keyval, event->state))
1132 /* Handle mnemonics. */
1133 if (gtk_window_activate_key(GTK_WINDOW(fe->window), event))
1136 if (event->keyval == GDK_KEY_Up)
1137 keyval = shift | ctrl | CURSOR_UP;
1138 else if (event->keyval == GDK_KEY_KP_Up ||
1139 event->keyval == GDK_KEY_KP_8)
1140 keyval = MOD_NUM_KEYPAD | '8';
1141 else if (event->keyval == GDK_KEY_Down)
1142 keyval = shift | ctrl | CURSOR_DOWN;
1143 else if (event->keyval == GDK_KEY_KP_Down ||
1144 event->keyval == GDK_KEY_KP_2)
1145 keyval = MOD_NUM_KEYPAD | '2';
1146 else if (event->keyval == GDK_KEY_Left)
1147 keyval = shift | ctrl | CURSOR_LEFT;
1148 else if (event->keyval == GDK_KEY_KP_Left ||
1149 event->keyval == GDK_KEY_KP_4)
1150 keyval = MOD_NUM_KEYPAD | '4';
1151 else if (event->keyval == GDK_KEY_Right)
1152 keyval = shift | ctrl | CURSOR_RIGHT;
1153 else if (event->keyval == GDK_KEY_KP_Right ||
1154 event->keyval == GDK_KEY_KP_6)
1155 keyval = MOD_NUM_KEYPAD | '6';
1156 else if (event->keyval == GDK_KEY_KP_Home ||
1157 event->keyval == GDK_KEY_KP_7)
1158 keyval = MOD_NUM_KEYPAD | '7';
1159 else if (event->keyval == GDK_KEY_KP_End ||
1160 event->keyval == GDK_KEY_KP_1)
1161 keyval = MOD_NUM_KEYPAD | '1';
1162 else if (event->keyval == GDK_KEY_KP_Page_Up ||
1163 event->keyval == GDK_KEY_KP_9)
1164 keyval = MOD_NUM_KEYPAD | '9';
1165 else if (event->keyval == GDK_KEY_KP_Page_Down ||
1166 event->keyval == GDK_KEY_KP_3)
1167 keyval = MOD_NUM_KEYPAD | '3';
1168 else if (event->keyval == GDK_KEY_KP_Insert ||
1169 event->keyval == GDK_KEY_KP_0)
1170 keyval = MOD_NUM_KEYPAD | '0';
1171 else if (event->keyval == GDK_KEY_KP_Begin ||
1172 event->keyval == GDK_KEY_KP_5)
1173 keyval = MOD_NUM_KEYPAD | '5';
1174 else if (event->keyval == GDK_KEY_BackSpace ||
1175 event->keyval == GDK_KEY_Delete ||
1176 event->keyval == GDK_KEY_KP_Delete)
1178 else if (event->string[0] && !event->string[1])
1179 keyval = (unsigned char)event->string[0];
1184 !midend_process_key(fe->me, 0, 0, keyval))
1185 gtk_widget_destroy(fe->window);
1190 static gint button_event(GtkWidget *widget, GdkEventButton *event,
1193 frontend *fe = (frontend *)data;
1196 if (!backing_store_ok(fe))
1199 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
1202 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
1203 button = MIDDLE_BUTTON;
1204 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
1205 button = RIGHT_BUTTON;
1206 else if (event->button == 1)
1207 button = LEFT_BUTTON;
1209 return FALSE; /* don't even know what button! */
1211 if (event->type == GDK_BUTTON_RELEASE)
1212 button += LEFT_RELEASE - LEFT_BUTTON;
1214 if (!midend_process_key(fe->me, event->x - fe->ox,
1215 event->y - fe->oy, button))
1216 gtk_widget_destroy(fe->window);
1221 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
1224 frontend *fe = (frontend *)data;
1227 if (!backing_store_ok(fe))
1230 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
1231 button = MIDDLE_DRAG;
1232 else if (event->state & GDK_BUTTON1_MASK)
1234 else if (event->state & GDK_BUTTON3_MASK)
1235 button = RIGHT_DRAG;
1237 return FALSE; /* don't even know what button! */
1239 if (!midend_process_key(fe->me, event->x - fe->ox,
1240 event->y - fe->oy, button))
1241 gtk_widget_destroy(fe->window);
1242 #if GTK_CHECK_VERSION(2,12,0)
1243 gdk_event_request_motions(event);
1245 gdk_window_get_pointer(gtk_widget_get_window(widget), NULL, NULL, NULL);
1251 #if GTK_CHECK_VERSION(3,0,0)
1252 static gint draw_area(GtkWidget *widget, cairo_t *cr, gpointer data)
1254 frontend *fe = (frontend *)data;
1255 GdkRectangle dirtyrect;
1257 gdk_cairo_get_clip_rectangle(cr, &dirtyrect);
1258 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1259 cairo_rectangle(cr, dirtyrect.x, dirtyrect.y,
1260 dirtyrect.width, dirtyrect.height);
1266 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
1269 frontend *fe = (frontend *)data;
1271 if (backing_store_ok(fe)) {
1272 #ifdef USE_CAIRO_WITHOUT_PIXMAP
1273 cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(widget));
1274 cairo_set_source_surface(cr, fe->image, fe->ox, fe->oy);
1275 cairo_rectangle(cr, event->area.x, event->area.y,
1276 event->area.width, event->area.height);
1280 repaint_rectangle(fe, widget,
1281 event->area.x, event->area.y,
1282 event->area.width, event->area.height);
1289 static gint map_window(GtkWidget *widget, GdkEvent *event,
1292 frontend *fe = (frontend *)data;
1295 * Apparently we need to do this because otherwise the status
1296 * bar will fail to update immediately. Annoying, but there we
1299 gtk_widget_queue_draw(fe->window);
1304 static gint configure_area(GtkWidget *widget,
1305 GdkEventConfigure *event, gpointer data)
1307 frontend *fe = (frontend *)data;
1313 if (x != fe->w || y != fe->h || !backing_store_ok(fe)) {
1314 if (backing_store_ok(fe))
1315 teardown_backing_store(fe);
1319 midend_size(fe->me, &x, &y, TRUE);
1322 fe->ox = (fe->w - fe->pw) / 2;
1323 fe->oy = (fe->h - fe->ph) / 2;
1325 setup_backing_store(fe);
1328 midend_force_redraw(fe->me);
1333 static gint timer_func(gpointer data)
1335 frontend *fe = (frontend *)data;
1337 if (fe->timer_active) {
1340 gettimeofday(&now, NULL);
1341 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
1342 (now.tv_sec - fe->last_time.tv_sec));
1343 midend_timer(fe->me, elapsed); /* may clear timer_active */
1344 fe->last_time = now;
1347 return fe->timer_active;
1350 void deactivate_timer(frontend *fe)
1353 return; /* can happen due to --generate */
1354 if (fe->timer_active)
1355 g_source_remove(fe->timer_id);
1356 fe->timer_active = FALSE;
1359 void activate_timer(frontend *fe)
1362 return; /* can happen due to --generate */
1363 if (!fe->timer_active) {
1364 fe->timer_id = g_timeout_add(20, timer_func, fe);
1365 gettimeofday(&fe->last_time, NULL);
1367 fe->timer_active = TRUE;
1370 static void window_destroy(GtkWidget *widget, gpointer data)
1375 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1377 GObject *cancelbutton = G_OBJECT(data);
1380 * `Escape' effectively clicks the cancel button
1382 if (event->keyval == GDK_KEY_Escape) {
1383 g_signal_emit_by_name(cancelbutton, "clicked");
1390 enum { MB_OK, MB_YESNO };
1392 static void align_label(GtkLabel *label, double x, double y)
1394 #if GTK_CHECK_VERSION(3,16,0)
1395 gtk_label_set_xalign(label, x);
1396 gtk_label_set_yalign(label, y);
1398 gtk_misc_set_alignment(GTK_MISC(label), x, y);
1402 #if GTK_CHECK_VERSION(3,0,0)
1403 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1409 window = gtk_message_dialog_new
1410 (GTK_WINDOW(parent),
1411 (GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT),
1412 (type == MB_OK ? GTK_MESSAGE_INFO : GTK_MESSAGE_QUESTION),
1413 (type == MB_OK ? GTK_BUTTONS_OK : GTK_BUTTONS_YES_NO),
1415 gtk_window_set_title(GTK_WINDOW(window), title);
1416 ret = gtk_dialog_run(GTK_DIALOG(window));
1417 gtk_widget_destroy(window);
1418 return (type == MB_OK ? TRUE : (ret == GTK_RESPONSE_YES));
1420 #else /* GTK_CHECK_VERSION(3,0,0) */
1421 static void msgbox_button_clicked(GtkButton *button, gpointer data)
1423 GtkWidget *window = GTK_WIDGET(data);
1426 ip = (int *)g_object_get_data(G_OBJECT(window), "user-data");
1427 v = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "user-data"));
1430 gtk_widget_destroy(GTK_WIDGET(data));
1433 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1436 GtkWidget *window, *hbox, *text, *button;
1440 window = gtk_dialog_new();
1441 text = gtk_label_new(msg);
1442 align_label(GTK_LABEL(text), 0.0, 0.0);
1443 hbox = gtk_hbox_new(FALSE, 0);
1444 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
1446 (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(window))),
1447 hbox, FALSE, FALSE, 20);
1448 gtk_widget_show(text);
1449 gtk_widget_show(hbox);
1450 gtk_window_set_title(GTK_WINDOW(window), title);
1451 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
1453 if (type == MB_OK) {
1454 titles = LABEL_OK "\0";
1457 assert(type == MB_YESNO);
1458 titles = LABEL_NO "\0" LABEL_YES "\0";
1465 button = gtk_button_new_with_our_label(titles);
1467 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(window))),
1468 button, FALSE, FALSE, 0);
1469 gtk_widget_show(button);
1471 gtk_widget_set_can_default(button, TRUE);
1472 gtk_window_set_default(GTK_WINDOW(window), button);
1475 g_signal_connect(G_OBJECT(window), "key_press_event",
1476 G_CALLBACK(win_key_press), button);
1478 g_signal_connect(G_OBJECT(button), "clicked",
1479 G_CALLBACK(msgbox_button_clicked), window);
1480 g_object_set_data(G_OBJECT(button), "user-data",
1481 GINT_TO_POINTER(i));
1482 titles += strlen(titles)+1;
1485 g_object_set_data(G_OBJECT(window), "user-data", &i);
1486 g_signal_connect(G_OBJECT(window), "destroy",
1487 G_CALLBACK(window_destroy), NULL);
1488 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
1489 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
1490 /* set_transient_window_pos(parent, window); */
1491 gtk_widget_show(window);
1494 return (type == MB_YESNO ? i == 1 : TRUE);
1496 #endif /* GTK_CHECK_VERSION(3,0,0) */
1498 void error_box(GtkWidget *parent, char *msg)
1500 message_box(parent, "Error", msg, FALSE, MB_OK);
1503 static void config_ok_button_clicked(GtkButton *button, gpointer data)
1505 frontend *fe = (frontend *)data;
1508 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
1511 error_box(fe->cfgbox, err);
1514 gtk_widget_destroy(fe->cfgbox);
1519 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
1521 frontend *fe = (frontend *)data;
1523 gtk_widget_destroy(fe->cfgbox);
1526 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
1529 * GtkEntry has a nasty habit of eating the Return key, which
1530 * is unhelpful since it doesn't actually _do_ anything with it
1531 * (it calls gtk_widget_activate, but our edit boxes never need
1532 * activating). So I catch Return before GtkEntry sees it, and
1533 * pass it straight on to the parent widget. Effect: hitting
1534 * Return in an edit box will now activate the default button
1535 * in the dialog just like it will everywhere else.
1537 if (event->keyval == GDK_KEY_Return &&
1538 gtk_widget_get_parent(widget) != NULL) {
1540 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
1541 g_signal_emit_by_name(G_OBJECT(gtk_widget_get_parent(widget)),
1542 "key_press_event", event, &return_val);
1548 static void editbox_changed(GtkEditable *ed, gpointer data)
1550 config_item *i = (config_item *)data;
1553 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
1556 static void button_toggled(GtkToggleButton *tb, gpointer data)
1558 config_item *i = (config_item *)data;
1560 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
1563 static void droplist_sel(GtkComboBox *combo, gpointer data)
1565 config_item *i = (config_item *)data;
1567 i->ival = gtk_combo_box_get_active(combo);
1570 static int get_config(frontend *fe, int which)
1572 GtkWidget *w, *table, *cancel;
1577 fe->cfg = midend_get_config(fe->me, which, &title);
1578 fe->cfg_which = which;
1581 fe->cfgbox = gtk_dialog_new();
1582 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
1585 w = gtk_button_new_with_our_label(LABEL_CANCEL);
1587 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox))),
1588 w, FALSE, FALSE, 0);
1590 g_signal_connect(G_OBJECT(w), "clicked",
1591 G_CALLBACK(config_cancel_button_clicked), fe);
1594 w = gtk_button_new_with_our_label(LABEL_OK);
1596 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox))),
1597 w, FALSE, FALSE, 0);
1599 gtk_widget_set_can_default(w, TRUE);
1600 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
1601 g_signal_connect(G_OBJECT(w), "clicked",
1602 G_CALLBACK(config_ok_button_clicked), fe);
1604 #if GTK_CHECK_VERSION(3,0,0)
1605 table = gtk_grid_new();
1607 table = gtk_table_new(1, 2, FALSE);
1611 (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(fe->cfgbox))),
1612 table, FALSE, FALSE, 0);
1613 gtk_widget_show(table);
1615 for (i = fe->cfg; i->type != C_END; i++) {
1616 #if !GTK_CHECK_VERSION(3,0,0)
1617 gtk_table_resize(GTK_TABLE(table), y+1, 2);
1623 * Edit box with a label beside it.
1626 w = gtk_label_new(i->name);
1627 align_label(GTK_LABEL(w), 0.0, 0.5);
1628 #if GTK_CHECK_VERSION(3,0,0)
1629 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1631 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1632 GTK_SHRINK | GTK_FILL,
1633 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1638 w = gtk_entry_new();
1639 #if GTK_CHECK_VERSION(3,0,0)
1640 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1641 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1643 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1644 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1645 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1648 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
1649 g_signal_connect(G_OBJECT(w), "changed",
1650 G_CALLBACK(editbox_changed), i);
1651 g_signal_connect(G_OBJECT(w), "key_press_event",
1652 G_CALLBACK(editbox_key), NULL);
1661 w = gtk_check_button_new_with_label(i->name);
1662 g_signal_connect(G_OBJECT(w), "toggled",
1663 G_CALLBACK(button_toggled), i);
1664 #if GTK_CHECK_VERSION(3,0,0)
1665 gtk_grid_attach(GTK_GRID(table), w, 0, y, 2, 1);
1666 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1668 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
1669 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1670 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1673 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
1679 * Drop-down list (GtkComboBox).
1682 w = gtk_label_new(i->name);
1683 align_label(GTK_LABEL(w), 0.0, 0.5);
1684 #if GTK_CHECK_VERSION(3,0,0)
1685 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1687 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1688 GTK_SHRINK | GTK_FILL,
1689 GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
1697 GtkListStore *model;
1698 GtkCellRenderer *cr;
1701 model = gtk_list_store_new(1, G_TYPE_STRING);
1708 while (*q && *q != c)
1711 name = snewn(q-p+1, char);
1712 strncpy(name, p, q-p);
1715 if (*q) q++; /* eat delimiter */
1717 gtk_list_store_append(model, &iter);
1718 gtk_list_store_set(model, &iter, 0, name, -1);
1723 w = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
1725 gtk_combo_box_set_active(GTK_COMBO_BOX(w), i->ival);
1727 cr = gtk_cell_renderer_text_new();
1728 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(w), cr, TRUE);
1729 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(w), cr,
1732 g_signal_connect(G_OBJECT(w), "changed",
1733 G_CALLBACK(droplist_sel), i);
1736 #if GTK_CHECK_VERSION(3,0,0)
1737 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1738 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1740 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1741 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1742 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1752 g_signal_connect(G_OBJECT(fe->cfgbox), "destroy",
1753 G_CALLBACK(window_destroy), NULL);
1754 g_signal_connect(G_OBJECT(fe->cfgbox), "key_press_event",
1755 G_CALLBACK(win_key_press), cancel);
1756 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1757 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1758 GTK_WINDOW(fe->window));
1759 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1760 gtk_widget_show(fe->cfgbox);
1768 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1770 frontend *fe = (frontend *)data;
1771 int key = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
1773 if (!midend_process_key(fe->me, 0, 0, key))
1774 gtk_widget_destroy(fe->window);
1777 static void get_size(frontend *fe, int *px, int *py)
1782 * Currently I don't want to make the GTK port scale large
1783 * puzzles to fit on the screen. This is because X does permit
1784 * extremely large windows and many window managers provide a
1785 * means of navigating round them, and the users I consulted
1786 * before deciding said that they'd rather have enormous puzzle
1787 * windows spanning multiple screen pages than have them
1788 * shrunk. I could change my mind later or introduce
1789 * configurability; this would be the place to do so, by
1790 * replacing the initial values of x and y with the screen
1795 midend_size(fe->me, &x, &y, FALSE);
1800 #if !GTK_CHECK_VERSION(2,0,0)
1801 #define gtk_window_resize(win, x, y) \
1802 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1806 * Called when any other code in this file has changed the
1807 * selected game parameters.
1809 static void changed_preset(frontend *fe)
1811 int n = midend_which_preset(fe->me);
1813 fe->preset_threaded = TRUE;
1814 if (n < 0 && fe->preset_custom) {
1815 gtk_check_menu_item_set_active(
1816 GTK_CHECK_MENU_ITEM(fe->preset_custom),
1819 GSList *gs = fe->preset_radio;
1820 int i = fe->n_preset_menu_items - 1 - n;
1821 if (fe->preset_custom)
1828 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1830 } else for (gs = fe->preset_radio; gs; gs = gs->next) {
1831 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1835 fe->preset_threaded = FALSE;
1838 * Update the greying on the Copy menu option.
1840 if (fe->copy_menu_item) {
1841 int enabled = midend_can_format_as_text_now(fe->me);
1842 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1846 #if !GTK_CHECK_VERSION(3,0,0)
1847 static gboolean not_size_allocated_yet(GtkWidget *w)
1850 * This function tests whether a widget has not yet taken up space
1851 * on the screen which it will occupy in future. (Therefore, it
1852 * returns true only if the widget does exist but does not have a
1853 * size allocation. A null widget is already taking up all the
1854 * space it ever will.)
1857 return FALSE; /* nonexistent widgets aren't a problem */
1859 #if GTK_CHECK_VERSION(2,18,0) /* skip if no gtk_widget_get_allocation */
1862 gtk_widget_get_allocation(w, &a);
1863 if (a.height == 0 || a.width == 0)
1864 return TRUE; /* widget exists but has no size yet */
1871 static void try_shrink_drawing_area(frontend *fe)
1873 if (fe->drawing_area_shrink_pending &&
1874 (!fe->menubar_is_local || !not_size_allocated_yet(fe->menubar)) &&
1875 !not_size_allocated_yet(fe->statusbar)) {
1877 * In order to permit the user to resize the window smaller as
1878 * well as bigger, we call this function after the window size
1879 * has ended up where we want it. This shouldn't shrink the
1880 * window immediately; it just arranges that the next time the
1881 * user tries to shrink it, they can.
1883 * However, at puzzle creation time, we defer the first of
1884 * these operations until after the menu bar and status bar
1885 * are actually visible. On Ubuntu 12.04 I've found that these
1886 * can take a while to be displayed, and that it's a mistake
1887 * to reduce the drawing area's size allocation before they've
1888 * turned up or else the drawing area makes room for them by
1889 * shrinking to less than the size we intended.
1891 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1892 fe->drawing_area_shrink_pending = FALSE;
1895 #endif /* !GTK_CHECK_VERSION(3,0,0) */
1897 static gint configure_window(GtkWidget *widget,
1898 GdkEventConfigure *event, gpointer data)
1900 #if !GTK_CHECK_VERSION(3,0,0)
1902 * When the main puzzle window changes size, it might be because
1903 * the menu bar or status bar has turned up after starting off
1904 * absent, in which case we should have another go at enacting a
1905 * pending shrink of the drawing area.
1907 frontend *fe = (frontend *)data;
1908 try_shrink_drawing_area(fe);
1913 static void resize_fe(frontend *fe)
1917 get_size(fe, &x, &y);
1919 #if GTK_CHECK_VERSION(3,0,0)
1920 gtk_window_resize_to_geometry(GTK_WINDOW(fe->window), x, y);
1922 fe->drawing_area_shrink_pending = FALSE;
1923 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1926 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1927 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1929 fe->drawing_area_shrink_pending = TRUE;
1930 try_shrink_drawing_area(fe);
1934 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1936 frontend *fe = (frontend *)data;
1937 game_params *params =
1938 (game_params *)g_object_get_data(G_OBJECT(menuitem), "user-data");
1940 if (fe->preset_threaded ||
1941 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
1942 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
1944 midend_set_params(fe->me, params);
1945 midend_new_game(fe->me);
1950 GdkAtom compound_text_atom, utf8_string_atom;
1951 int paste_initialised = FALSE;
1953 static void set_selection(frontend *fe, GdkAtom selection)
1955 if (!paste_initialised) {
1956 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1957 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1958 paste_initialised = TRUE;
1962 * For this simple application we can safely assume that the
1963 * data passed to this function is pure ASCII, which means we
1964 * can return precisely the same stuff for types STRING,
1965 * COMPOUND_TEXT or UTF8_STRING.
1968 if (gtk_selection_owner_set(fe->area, selection, CurrentTime)) {
1969 gtk_selection_clear_targets(fe->area, selection);
1970 gtk_selection_add_target(fe->area, selection,
1971 GDK_SELECTION_TYPE_STRING, 1);
1972 gtk_selection_add_target(fe->area, selection, compound_text_atom, 1);
1973 gtk_selection_add_target(fe->area, selection, utf8_string_atom, 1);
1977 void write_clip(frontend *fe, char *data)
1980 sfree(fe->paste_data);
1982 fe->paste_data = data;
1983 fe->paste_data_len = strlen(data);
1985 set_selection(fe, GDK_SELECTION_PRIMARY);
1986 set_selection(fe, GDK_SELECTION_CLIPBOARD);
1989 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1990 guint info, guint time_stamp, gpointer data)
1992 frontend *fe = (frontend *)data;
1993 gtk_selection_data_set(seldata, gtk_selection_data_get_target(seldata), 8,
1994 fe->paste_data, fe->paste_data_len);
1997 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
2000 frontend *fe = (frontend *)data;
2003 sfree(fe->paste_data);
2004 fe->paste_data = NULL;
2005 fe->paste_data_len = 0;
2009 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
2011 frontend *fe = (frontend *)data;
2014 text = midend_text_format(fe->me);
2017 write_clip(fe, text);
2025 static void filesel_ok(GtkButton *button, gpointer data)
2027 frontend *fe = (frontend *)data;
2029 gpointer filesel = g_object_get_data(G_OBJECT(button), "user-data");
2032 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
2034 fe->filesel_name = dupstr(name);
2037 static char *file_selector(frontend *fe, char *title, int save)
2039 GtkWidget *filesel =
2040 gtk_file_selection_new(title);
2042 fe->filesel_name = NULL;
2044 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
2046 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
2049 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2050 G_CALLBACK(filesel_ok), fe);
2051 g_signal_connect_swapped
2052 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2053 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2054 g_signal_connect_object
2055 (G_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
2056 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2057 g_signal_connect(G_OBJECT(filesel), "destroy",
2058 G_CALLBACK(window_destroy), NULL);
2059 gtk_widget_show(filesel);
2060 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
2063 return fe->filesel_name;
2068 static char *file_selector(frontend *fe, char *title, int save)
2070 char *filesel_name = NULL;
2072 GtkWidget *filesel =
2073 gtk_file_chooser_dialog_new(title,
2074 GTK_WINDOW(fe->window),
2075 save ? GTK_FILE_CHOOSER_ACTION_SAVE :
2076 GTK_FILE_CHOOSER_ACTION_OPEN,
2077 LABEL_CANCEL, GTK_RESPONSE_CANCEL,
2078 save ? LABEL_SAVE : LABEL_OPEN,
2079 GTK_RESPONSE_ACCEPT,
2082 if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
2083 const char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
2084 filesel_name = dupstr(name);
2087 gtk_widget_destroy(filesel);
2089 return filesel_name;
2094 struct savefile_write_ctx {
2099 static void savefile_write(void *wctx, void *buf, int len)
2101 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
2102 if (fwrite(buf, 1, len, ctx->fp) < len)
2106 static int savefile_read(void *wctx, void *buf, int len)
2108 FILE *fp = (FILE *)wctx;
2111 ret = fread(buf, 1, len, fp);
2112 return (ret == len);
2115 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
2117 frontend *fe = (frontend *)data;
2120 name = file_selector(fe, "Enter name of game file to save", TRUE);
2125 if ((fp = fopen(name, "r")) != NULL) {
2126 char buf[256 + FILENAME_MAX];
2130 sprintf(buf, "Are you sure you want to overwrite the"
2132 FILENAME_MAX, name);
2133 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
2137 fp = fopen(name, "w");
2141 error_box(fe->window, "Unable to open save file");
2146 struct savefile_write_ctx ctx;
2149 midend_serialise(fe->me, savefile_write, &ctx);
2153 sprintf(boxmsg, "Error writing save file: %.400s",
2155 error_box(fe->window, boxmsg);
2163 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
2165 frontend *fe = (frontend *)data;
2168 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
2171 FILE *fp = fopen(name, "r");
2175 error_box(fe->window, "Unable to open saved game file");
2179 err = midend_deserialise(fe->me, savefile_read, fp);
2184 error_box(fe->window, err);
2193 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
2195 frontend *fe = (frontend *)data;
2198 msg = midend_solve(fe->me);
2201 error_box(fe->window, msg);
2204 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
2206 frontend *fe = (frontend *)data;
2208 midend_restart_game(fe->me);
2211 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
2213 frontend *fe = (frontend *)data;
2214 int which = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
2217 if (fe->preset_threaded ||
2218 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
2219 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
2221 changed_preset(fe); /* Put the old preset back! */
2222 if (!get_config(fe, which))
2225 midend_new_game(fe->me);
2229 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
2231 frontend *fe = (frontend *)data;
2233 #if GTK_CHECK_VERSION(3,0,0)
2234 extern char *const *const xpm_icons[];
2235 extern const int n_xpm_icons;
2236 GdkPixbuf *icon = gdk_pixbuf_new_from_xpm_data
2237 ((const gchar **)xpm_icons[n_xpm_icons-1]);
2238 gtk_show_about_dialog
2239 (GTK_WINDOW(fe->window),
2240 "program-name", thegame.name,
2242 "comments", "Part of Simon Tatham's Portable Puzzle Collection",
2244 (const gchar *)NULL);
2245 g_object_unref(G_OBJECT(icon));
2250 sprintf(titlebuf, "About %.200s", thegame.name);
2253 "from Simon Tatham's Portable Puzzle Collection\n\n"
2254 "%.500s", thegame.name, ver);
2256 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
2260 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
2261 char *text, int key)
2263 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
2265 gtk_container_add(cont, menuitem);
2266 g_object_set_data(G_OBJECT(menuitem), "user-data", GINT_TO_POINTER(key));
2267 g_signal_connect(G_OBJECT(menuitem), "activate",
2268 G_CALLBACK(menu_key_event), fe);
2269 switch (key & ~0x1F) {
2272 keyqual = GDK_CONTROL_MASK;
2276 keyqual = GDK_SHIFT_MASK;
2282 gtk_widget_add_accelerator(menuitem,
2283 "activate", fe->accelgroup,
2286 gtk_widget_show(menuitem);
2290 static void add_menu_separator(GtkContainer *cont)
2292 GtkWidget *menuitem = gtk_menu_item_new();
2293 gtk_container_add(cont, menuitem);
2294 gtk_widget_show(menuitem);
2297 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
2299 static frontend *new_window(char *arg, int argtype, char **error)
2302 GtkBox *vbox, *hbox;
2303 GtkWidget *menu, *menuitem;
2307 extern char *const *const xpm_icons[];
2308 extern const int n_xpm_icons;
2310 fe = snew(frontend);
2312 fe->timer_active = FALSE;
2315 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
2325 err = midend_game_id(fe->me, arg);
2327 midend_new_game(fe->me);
2329 sprintf(errbuf, "Invalid game ID: %.800s", err);
2332 fp = fopen(arg, "r");
2334 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
2336 err = midend_deserialise(fe->me, savefile_read, fp);
2338 sprintf(errbuf, "Invalid save file: %.800s", err);
2342 default /*case ARG_EITHER*/:
2344 * First try treating the argument as a game ID.
2346 err = midend_game_id(fe->me, arg);
2349 * It's a valid game ID.
2351 midend_new_game(fe->me);
2353 FILE *fp = fopen(arg, "r");
2355 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
2356 " nor a save file (%.400s)", err, strerror(errno));
2358 err = midend_deserialise(fe->me, savefile_read, fp);
2360 sprintf(errbuf, "%.800s", err);
2367 *error = dupstr(errbuf);
2368 midend_free(fe->me);
2374 midend_new_game(fe->me);
2377 #if !GTK_CHECK_VERSION(3,0,0)
2380 * try_shrink_drawing_area() will do some fiddling with the
2381 * window size request (see comment in that function) after
2382 * all the bits and pieces such as the menu bar and status bar
2383 * have appeared in the puzzle window.
2385 * However, on Unity systems, the menu bar _doesn't_ appear in
2386 * the puzzle window, because the Unity shell hijacks it into
2387 * the menu bar at the very top of the screen. We therefore
2388 * try to detect that situation here, so that we don't sit
2389 * here forever waiting for a menu bar.
2391 const char prop[] = "gtk-shell-shows-menubar";
2392 GtkSettings *settings = gtk_settings_get_default();
2393 if (!g_object_class_find_property(G_OBJECT_GET_CLASS(settings),
2395 fe->menubar_is_local = TRUE;
2398 g_object_get(gtk_settings_get_default(),
2400 (const gchar *)NULL);
2401 fe->menubar_is_local = !unity_mode;
2406 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2407 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
2409 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
2410 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
2411 gtk_widget_show(GTK_WIDGET(vbox));
2413 fe->accelgroup = gtk_accel_group_new();
2414 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
2416 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2417 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2418 gtk_widget_show(GTK_WIDGET(hbox));
2420 fe->menubar = gtk_menu_bar_new();
2421 gtk_box_pack_start(hbox, fe->menubar, TRUE, TRUE, 0);
2422 gtk_widget_show(fe->menubar);
2424 menuitem = gtk_menu_item_new_with_mnemonic("_Game");
2425 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2426 gtk_widget_show(menuitem);
2428 menu = gtk_menu_new();
2429 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2431 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
2433 menuitem = gtk_menu_item_new_with_label("Restart");
2434 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2435 g_signal_connect(G_OBJECT(menuitem), "activate",
2436 G_CALLBACK(menu_restart_event), fe);
2437 gtk_widget_show(menuitem);
2439 menuitem = gtk_menu_item_new_with_label("Specific...");
2440 g_object_set_data(G_OBJECT(menuitem), "user-data",
2441 GINT_TO_POINTER(CFG_DESC));
2442 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2443 g_signal_connect(G_OBJECT(menuitem), "activate",
2444 G_CALLBACK(menu_config_event), fe);
2445 gtk_widget_show(menuitem);
2447 menuitem = gtk_menu_item_new_with_label("Random Seed...");
2448 g_object_set_data(G_OBJECT(menuitem), "user-data",
2449 GINT_TO_POINTER(CFG_SEED));
2450 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2451 g_signal_connect(G_OBJECT(menuitem), "activate",
2452 G_CALLBACK(menu_config_event), fe);
2453 gtk_widget_show(menuitem);
2455 fe->preset_radio = NULL;
2456 fe->preset_custom = NULL;
2457 fe->n_preset_menu_items = 0;
2458 fe->preset_threaded = FALSE;
2459 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
2463 menuitem = gtk_menu_item_new_with_mnemonic("_Type");
2464 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2465 gtk_widget_show(menuitem);
2467 submenu = gtk_menu_new();
2468 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
2470 for (i = 0; i < n; i++) {
2472 game_params *params;
2474 midend_fetch_preset(fe->me, i, &name, ¶ms);
2477 gtk_radio_menu_item_new_with_label(fe->preset_radio, name);
2479 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2480 fe->n_preset_menu_items++;
2481 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2482 g_object_set_data(G_OBJECT(menuitem), "user-data", params);
2483 g_signal_connect(G_OBJECT(menuitem), "activate",
2484 G_CALLBACK(menu_preset_event), fe);
2485 gtk_widget_show(menuitem);
2488 if (thegame.can_configure) {
2489 menuitem = fe->preset_custom =
2490 gtk_radio_menu_item_new_with_label(fe->preset_radio,
2493 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2494 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2495 g_object_set_data(G_OBJECT(menuitem), "user-data",
2496 GINT_TO_POINTER(CFG_SETTINGS));
2497 g_signal_connect(G_OBJECT(menuitem), "activate",
2498 G_CALLBACK(menu_config_event), fe);
2499 gtk_widget_show(menuitem);
2504 add_menu_separator(GTK_CONTAINER(menu));
2505 menuitem = gtk_menu_item_new_with_label("Load...");
2506 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2507 g_signal_connect(G_OBJECT(menuitem), "activate",
2508 G_CALLBACK(menu_load_event), fe);
2509 gtk_widget_show(menuitem);
2510 menuitem = gtk_menu_item_new_with_label("Save...");
2511 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2512 g_signal_connect(G_OBJECT(menuitem), "activate",
2513 G_CALLBACK(menu_save_event), fe);
2514 gtk_widget_show(menuitem);
2515 #ifndef STYLUS_BASED
2516 add_menu_separator(GTK_CONTAINER(menu));
2517 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
2518 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
2520 if (thegame.can_format_as_text_ever) {
2521 add_menu_separator(GTK_CONTAINER(menu));
2522 menuitem = gtk_menu_item_new_with_label("Copy");
2523 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2524 g_signal_connect(G_OBJECT(menuitem), "activate",
2525 G_CALLBACK(menu_copy_event), fe);
2526 gtk_widget_show(menuitem);
2527 fe->copy_menu_item = menuitem;
2529 fe->copy_menu_item = NULL;
2531 if (thegame.can_solve) {
2532 add_menu_separator(GTK_CONTAINER(menu));
2533 menuitem = gtk_menu_item_new_with_label("Solve");
2534 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2535 g_signal_connect(G_OBJECT(menuitem), "activate",
2536 G_CALLBACK(menu_solve_event), fe);
2537 gtk_widget_show(menuitem);
2539 add_menu_separator(GTK_CONTAINER(menu));
2540 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
2542 menuitem = gtk_menu_item_new_with_mnemonic("_Help");
2543 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2544 gtk_widget_show(menuitem);
2546 menu = gtk_menu_new();
2547 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2549 menuitem = gtk_menu_item_new_with_label("About");
2550 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2551 g_signal_connect(G_OBJECT(menuitem), "activate",
2552 G_CALLBACK(menu_about_event), fe);
2553 gtk_widget_show(menuitem);
2556 menuitem=gtk_button_new_with_mnemonic("_Redo");
2557 g_object_set_data(G_OBJECT(menuitem), "user-data",
2558 GINT_TO_POINTER((int)('r')));
2559 g_signal_connect(G_OBJECT(menuitem), "clicked",
2560 G_CALLBACK(menu_key_event), fe);
2561 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2562 gtk_widget_show(menuitem);
2564 menuitem=gtk_button_new_with_mnemonic("_Undo");
2565 g_object_set_data(G_OBJECT(menuitem), "user-data",
2566 GINT_TO_POINTER((int)('u')));
2567 g_signal_connect(G_OBJECT(menuitem), "clicked",
2568 G_CALLBACK(menu_key_event), fe);
2569 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2570 gtk_widget_show(menuitem);
2572 if (thegame.flags & REQUIRE_NUMPAD) {
2573 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2574 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2575 gtk_widget_show(GTK_WIDGET(hbox));
2579 for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
2580 menuitem=gtk_button_new_with_label(errbuf);
2581 g_object_set_data(G_OBJECT(menuitem), "user-data",
2582 GINT_TO_POINTER((int)(errbuf[0])));
2583 g_signal_connect(G_OBJECT(menuitem), "clicked",
2584 G_CALLBACK(menu_key_event), fe);
2585 gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0);
2586 gtk_widget_show(menuitem);
2589 #endif /* STYLUS_BASED */
2593 snaffle_colours(fe);
2595 if (midend_wants_statusbar(fe->me)) {
2596 GtkWidget *viewport;
2599 viewport = gtk_viewport_new(NULL, NULL);
2600 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
2601 fe->statusbar = gtk_statusbar_new();
2602 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
2603 gtk_widget_show(viewport);
2604 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
2605 gtk_widget_show(fe->statusbar);
2606 fe->statusctx = gtk_statusbar_get_context_id
2607 (GTK_STATUSBAR(fe->statusbar), "game");
2608 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
2609 DEFAULT_STATUSBAR_TEXT);
2610 #if GTK_CHECK_VERSION(3,0,0)
2611 gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
2613 gtk_widget_size_request(fe->statusbar, &req);
2615 gtk_widget_set_size_request(viewport, -1, req.height);
2617 fe->statusbar = NULL;
2619 fe->area = gtk_drawing_area_new();
2620 #if GTK_CHECK_VERSION(2,0,0) && !GTK_CHECK_VERSION(3,0,0)
2621 gtk_widget_set_double_buffered(fe->area, FALSE);
2625 geom.base_width = geom.base_height = 0;
2626 gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), fe->area,
2627 &geom, GDK_HINT_BASE_SIZE);
2631 get_size(fe, &x, &y);
2632 #if GTK_CHECK_VERSION(3,0,0)
2633 gtk_window_set_default_geometry(GTK_WINDOW(fe->window), x, y);
2635 fe->drawing_area_shrink_pending = FALSE;
2636 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
2639 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
2641 clear_backing_store(fe);
2643 fe->nfonts = fe->fontsize = 0;
2645 fe->paste_data = NULL;
2646 fe->paste_data_len = 0;
2648 g_signal_connect(G_OBJECT(fe->window), "destroy",
2649 G_CALLBACK(destroy), fe);
2650 g_signal_connect(G_OBJECT(fe->window), "key_press_event",
2651 G_CALLBACK(key_event), fe);
2652 g_signal_connect(G_OBJECT(fe->area), "button_press_event",
2653 G_CALLBACK(button_event), fe);
2654 g_signal_connect(G_OBJECT(fe->area), "button_release_event",
2655 G_CALLBACK(button_event), fe);
2656 g_signal_connect(G_OBJECT(fe->area), "motion_notify_event",
2657 G_CALLBACK(motion_event), fe);
2658 g_signal_connect(G_OBJECT(fe->area), "selection_get",
2659 G_CALLBACK(selection_get), fe);
2660 g_signal_connect(G_OBJECT(fe->area), "selection_clear_event",
2661 G_CALLBACK(selection_clear), fe);
2662 #if GTK_CHECK_VERSION(3,0,0)
2663 g_signal_connect(G_OBJECT(fe->area), "draw",
2664 G_CALLBACK(draw_area), fe);
2666 g_signal_connect(G_OBJECT(fe->area), "expose_event",
2667 G_CALLBACK(expose_area), fe);
2669 g_signal_connect(G_OBJECT(fe->window), "map_event",
2670 G_CALLBACK(map_window), fe);
2671 g_signal_connect(G_OBJECT(fe->area), "configure_event",
2672 G_CALLBACK(configure_area), fe);
2673 g_signal_connect(G_OBJECT(fe->window), "configure_event",
2674 G_CALLBACK(configure_window), fe);
2676 gtk_widget_add_events(GTK_WIDGET(fe->area),
2677 GDK_BUTTON_PRESS_MASK |
2678 GDK_BUTTON_RELEASE_MASK |
2679 GDK_BUTTON_MOTION_MASK |
2680 GDK_POINTER_MOTION_HINT_MASK);
2683 gtk_window_set_icon(GTK_WINDOW(fe->window),
2684 gdk_pixbuf_new_from_xpm_data
2685 ((const gchar **)xpm_icons[0]));
2688 for (n = 0; n < n_xpm_icons; n++) {
2690 g_list_append(iconlist,
2691 gdk_pixbuf_new_from_xpm_data((const gchar **)
2694 gtk_window_set_icon_list(GTK_WINDOW(fe->window), iconlist);
2697 gtk_widget_show(fe->area);
2698 gtk_widget_show(fe->window);
2700 #if !GTK_CHECK_VERSION(3,0,0)
2701 fe->drawing_area_shrink_pending = TRUE;
2702 try_shrink_drawing_area(fe);
2705 set_window_background(fe, 0);
2710 char *fgetline(FILE *fp)
2712 char *ret = snewn(512, char);
2713 int size = 512, len = 0;
2714 while (fgets(ret + len, size - len, fp)) {
2715 len += strlen(ret + len);
2716 if (ret[len-1] == '\n')
2717 break; /* got a newline, we're done */
2719 ret = sresize(ret, size, char);
2721 if (len == 0) { /* first fgets returned NULL */
2729 int main(int argc, char **argv)
2731 char *pname = argv[0];
2733 int ngenerate = 0, print = FALSE, px = 1, py = 1;
2734 int time_generation = FALSE, test_solve = FALSE, list_presets = FALSE;
2735 int soln = FALSE, colour = FALSE;
2737 float redo_proportion = 0.0F;
2738 char *savefile = NULL, *savesuffix = NULL;
2740 int argtype = ARG_EITHER;
2741 char *screenshot_file = NULL;
2742 int doing_opts = TRUE;
2748 * Command line parsing in this function is rather fiddly,
2749 * because GTK wants to have a go at argc/argv _first_ - and
2750 * yet we can't let it, because gtk_init() will bomb out if it
2751 * can't open an X display, whereas in fact we want to permit
2752 * our --generate and --print modes to run without an X
2756 * - we parse the command line ourselves, without modifying
2758 * - if we encounter an error which might plausibly be the
2759 * result of a GTK command line (i.e. not detailed errors in
2760 * particular options of ours) we store the error message
2761 * and terminate parsing.
2762 * - if we got enough out of the command line to know it
2763 * specifies a non-X mode of operation, we either display
2764 * the stored error and return failure, or if there is no
2765 * stored error we do the non-X operation and return
2767 * - otherwise, we go straight to gtk_init().
2773 if (doing_opts && !strcmp(p, "--version")) {
2774 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
2777 } else if (doing_opts && !strcmp(p, "--generate")) {
2779 ngenerate = atoi(*++av);
2781 fprintf(stderr, "%s: '--generate' expected a number\n",
2787 } else if (doing_opts && !strcmp(p, "--time-generation")) {
2788 time_generation = TRUE;
2789 } else if (doing_opts && !strcmp(p, "--test-solve")) {
2791 } else if (doing_opts && !strcmp(p, "--list-presets")) {
2792 list_presets = TRUE;
2793 } else if (doing_opts && !strcmp(p, "--save")) {
2797 fprintf(stderr, "%s: '--save' expected a filename\n",
2801 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
2802 !strcmp(p, "--savesuffix"))) {
2806 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
2810 } else if (doing_opts && !strcmp(p, "--print")) {
2811 if (!thegame.can_print) {
2812 fprintf(stderr, "%s: this game does not support printing\n",
2819 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
2820 fprintf(stderr, "%s: unable to parse argument '%s' to "
2821 "'--print'\n", pname, dim);
2827 } else if (doing_opts && !strcmp(p, "--scale")) {
2829 scale = atof(*++av);
2831 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2835 } else if (doing_opts && !strcmp(p, "--redo")) {
2837 * This is an internal option which I don't expect
2838 * users to have any particular use for. The effect of
2839 * --redo is that once the game has been loaded and
2840 * initialised, the next move in the redo chain is
2841 * replayed, and the game screen is redrawn part way
2842 * through the making of the move. This is only
2843 * meaningful if there _is_ a next move in the redo
2844 * chain, which means in turn that this option is only
2845 * useful if you're also passing a save file on the
2848 * This option is used by the script which generates
2849 * the puzzle icons and website screenshots, and I
2850 * don't imagine it's useful for anything else.
2851 * (Unless, I suppose, users don't like my screenshots
2852 * and want to generate their own in the same way for
2853 * some repackaged version of the puzzles.)
2856 redo_proportion = atof(*++av);
2858 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
2862 } else if (doing_opts && !strcmp(p, "--screenshot")) {
2864 * Another internal option for the icon building
2865 * script. This causes a screenshot of the central
2866 * drawing area (i.e. not including the menu bar or
2867 * status bar) to be saved to a PNG file once the
2868 * window has been drawn, and then the application
2869 * quits immediately.
2872 screenshot_file = *++av;
2874 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
2878 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
2879 !strcmp(p, "--with-solution") ||
2880 !strcmp(p, "--with-solns") ||
2881 !strcmp(p, "--with-soln") ||
2882 !strcmp(p, "--solutions") ||
2883 !strcmp(p, "--solution") ||
2884 !strcmp(p, "--solns") ||
2885 !strcmp(p, "--soln"))) {
2887 } else if (doing_opts && !strcmp(p, "--colour")) {
2888 if (!thegame.can_print_in_colour) {
2889 fprintf(stderr, "%s: this game does not support colour"
2890 " printing\n", pname);
2894 } else if (doing_opts && !strcmp(p, "--load")) {
2896 } else if (doing_opts && !strcmp(p, "--game")) {
2898 } else if (doing_opts && !strcmp(p, "--")) {
2900 } else if (!doing_opts || p[0] != '-') {
2902 fprintf(stderr, "%s: more than one argument supplied\n",
2908 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
2915 * Special standalone mode for generating puzzle IDs on the
2916 * command line. Useful for generating puzzles to be printed
2917 * out and solved offline (for puzzles where that even makes
2918 * sense - Solo, for example, is a lot more pencil-and-paper
2919 * friendly than Twiddle!)
2923 * <puzzle-name> --generate [<n> [<params>]]
2925 * <n>, if present, is the number of puzzle IDs to generate.
2926 * <params>, if present, is the same type of parameter string
2927 * you would pass to the puzzle when running it in GUI mode,
2928 * including optional extras such as the expansion factor in
2929 * Rectangles and the difficulty level in Solo.
2931 * If you specify <params>, you must also specify <n> (although
2932 * you may specify it to be 1). Sorry; that was the
2933 * simplest-to-parse command-line syntax I came up with.
2935 if (ngenerate > 0 || print || savefile || savesuffix) {
2939 document *doc = NULL;
2942 * If we're in this branch, we should display any pending
2943 * error message from the command line, since GTK isn't going
2944 * to take another crack at making sense of it.
2947 fputs(errbuf, stderr);
2953 me = midend_new(NULL, &thegame, NULL, NULL);
2956 if (savefile && !savesuffix)
2958 if (!savefile && savesuffix)
2962 doc = document_new(px, py, scale);
2965 * In this loop, we either generate a game ID or read one
2966 * from stdin depending on whether we're in generate mode;
2967 * then we either write it to stdout or print it, depending
2968 * on whether we're in print mode. Thus, this loop handles
2969 * generate-to-stdout, print-from-stdin and generate-and-
2970 * immediately-print modes.
2972 * (It could also handle a copy-stdin-to-stdout mode,
2973 * although there's currently no combination of options
2974 * which will cause this loop to be activated in that mode.
2975 * It wouldn't be _entirely_ pointless, though, because
2976 * stdin could contain bare params strings or random-seed
2977 * IDs, and stdout would contain nothing but fully
2978 * generated descriptive game IDs.)
2980 while (ngenerate == 0 || i < n) {
2981 char *pstr, *err, *seed;
2982 struct rusage before, after;
2984 if (ngenerate == 0) {
2985 pstr = fgetline(stdin);
2988 pstr[strcspn(pstr, "\r\n")] = '\0';
2991 pstr = snewn(strlen(arg) + 40, char);
2994 if (i > 0 && strchr(arg, '#'))
2995 sprintf(pstr + strlen(pstr), "-%d", i);
3001 err = midend_game_id(me, pstr);
3003 fprintf(stderr, "%s: error parsing '%s': %s\n",
3009 if (time_generation)
3010 getrusage(RUSAGE_SELF, &before);
3012 midend_new_game(me);
3014 seed = midend_get_random_seed(me);
3016 if (time_generation) {
3019 getrusage(RUSAGE_SELF, &after);
3021 elapsed = (after.ru_utime.tv_sec -
3022 before.ru_utime.tv_sec);
3023 elapsed += (after.ru_utime.tv_usec -
3024 before.ru_utime.tv_usec) / 1000000.0;
3026 printf("%s %s: %.6f\n", thegame.name, seed, elapsed);
3029 if (test_solve && thegame.can_solve) {
3031 * Now destroy the aux_info in the midend, by means of
3032 * re-entering the same game id, and then try to solve
3035 char *game_id, *err;
3037 game_id = midend_get_game_id(me);
3038 err = midend_game_id(me, game_id);
3040 fprintf(stderr, "%s %s: game id re-entry error: %s\n",
3041 thegame.name, seed, err);
3044 midend_new_game(me);
3047 err = midend_solve(me);
3049 * If the solve operation returned the error "Solution
3050 * not known for this puzzle", that's OK, because that
3051 * just means it's a puzzle for which we don't have an
3052 * algorithmic solver and hence can't solve it without
3053 * the aux_info, e.g. Netslide. Any other error is a
3056 if (err && strcmp(err, "Solution not known for this puzzle")) {
3057 fprintf(stderr, "%s %s: solve error: %s\n",
3058 thegame.name, seed, err);
3067 err = midend_print_puzzle(me, doc, soln);
3069 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
3074 struct savefile_write_ctx ctx;
3075 char *realname = snewn(40 + strlen(savefile) +
3076 strlen(savesuffix), char);
3077 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
3080 char *err = midend_solve(me);
3082 fprintf(stderr, "%s: unable to show solution: %s\n",
3088 ctx.fp = fopen(realname, "w");
3090 fprintf(stderr, "%s: open: %s\n", realname,
3095 midend_serialise(me, savefile_write, &ctx);
3097 fprintf(stderr, "%s: write: %s\n", realname,
3098 strerror(ctx.error));
3101 if (fclose(ctx.fp)) {
3102 fprintf(stderr, "%s: close: %s\n", realname,
3108 if (!doc && !savefile && !time_generation) {
3109 id = midend_get_game_id(me);
3118 psdata *ps = ps_init(stdout, colour);
3119 document_print(doc, ps_drawing_api(ps));
3127 } else if (list_presets) {
3129 * Another specialist mode which causes the puzzle to list the
3130 * game_params strings for all its preset configurations.
3135 me = midend_new(NULL, &thegame, NULL, NULL);
3136 npresets = midend_num_presets(me);
3138 for (i = 0; i < npresets; i++) {
3139 game_params *params;
3140 char *name, *paramstr;
3142 midend_fetch_preset(me, i, &name, ¶ms);
3143 paramstr = thegame.encode_params(params, TRUE);
3145 printf("%s %s\n", paramstr, name);
3154 gtk_init(&argc, &argv);
3156 fe = new_window(arg, argtype, &error);
3159 fprintf(stderr, "%s: %s\n", pname, error);
3163 if (screenshot_file) {
3165 * Some puzzles will not redraw their entire area if
3166 * given a partially completed animation, which means
3167 * we must redraw now and _then_ redraw again after
3168 * freezing the move timer.
3170 midend_force_redraw(fe->me);
3173 if (redo_proportion) {
3175 midend_process_key(fe->me, 0, 0, 'r');
3176 /* And freeze the timer at the specified position. */
3177 midend_freeze_timer(fe->me, redo_proportion);
3180 if (screenshot_file) {
3181 save_screenshot_png(fe, screenshot_file);