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 void msgbox_button_clicked(GtkButton *button, gpointer data)
1377 GtkWidget *window = GTK_WIDGET(data);
1380 ip = (int *)g_object_get_data(G_OBJECT(window), "user-data");
1381 v = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "user-data"));
1384 gtk_widget_destroy(GTK_WIDGET(data));
1387 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1389 GObject *cancelbutton = G_OBJECT(data);
1392 * `Escape' effectively clicks the cancel button
1394 if (event->keyval == GDK_KEY_Escape) {
1395 g_signal_emit_by_name(cancelbutton, "clicked");
1402 enum { MB_OK, MB_YESNO };
1404 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1407 GtkWidget *window, *hbox, *text, *button;
1411 window = gtk_dialog_new();
1412 text = gtk_label_new(msg);
1413 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
1414 hbox = gtk_hbox_new(FALSE, 0);
1415 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
1417 (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(window))),
1418 hbox, FALSE, FALSE, 20);
1419 gtk_widget_show(text);
1420 gtk_widget_show(hbox);
1421 gtk_window_set_title(GTK_WINDOW(window), title);
1422 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
1424 if (type == MB_OK) {
1425 titles = LABEL_OK "\0";
1428 assert(type == MB_YESNO);
1429 titles = LABEL_NO "\0" LABEL_YES "\0";
1436 button = gtk_button_new_with_our_label(titles);
1438 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(window))),
1439 button, FALSE, FALSE, 0);
1440 gtk_widget_show(button);
1442 gtk_widget_set_can_default(button, TRUE);
1443 gtk_window_set_default(GTK_WINDOW(window), button);
1446 g_signal_connect(G_OBJECT(window), "key_press_event",
1447 G_CALLBACK(win_key_press), button);
1449 g_signal_connect(G_OBJECT(button), "clicked",
1450 G_CALLBACK(msgbox_button_clicked), window);
1451 g_object_set_data(G_OBJECT(button), "user-data",
1452 GINT_TO_POINTER(i));
1453 titles += strlen(titles)+1;
1456 g_object_set_data(G_OBJECT(window), "user-data", &i);
1457 g_signal_connect(G_OBJECT(window), "destroy",
1458 G_CALLBACK(window_destroy), NULL);
1459 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
1460 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
1461 /* set_transient_window_pos(parent, window); */
1462 gtk_widget_show(window);
1465 return (type == MB_YESNO ? i == 1 : TRUE);
1468 void error_box(GtkWidget *parent, char *msg)
1470 message_box(parent, "Error", msg, FALSE, MB_OK);
1473 static void config_ok_button_clicked(GtkButton *button, gpointer data)
1475 frontend *fe = (frontend *)data;
1478 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
1481 error_box(fe->cfgbox, err);
1484 gtk_widget_destroy(fe->cfgbox);
1489 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
1491 frontend *fe = (frontend *)data;
1493 gtk_widget_destroy(fe->cfgbox);
1496 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
1499 * GtkEntry has a nasty habit of eating the Return key, which
1500 * is unhelpful since it doesn't actually _do_ anything with it
1501 * (it calls gtk_widget_activate, but our edit boxes never need
1502 * activating). So I catch Return before GtkEntry sees it, and
1503 * pass it straight on to the parent widget. Effect: hitting
1504 * Return in an edit box will now activate the default button
1505 * in the dialog just like it will everywhere else.
1507 if (event->keyval == GDK_KEY_Return &&
1508 gtk_widget_get_parent(widget) != NULL) {
1510 g_signal_stop_emission_by_name(G_OBJECT(widget), "key_press_event");
1511 g_signal_emit_by_name(G_OBJECT(gtk_widget_get_parent(widget)),
1512 "key_press_event", event, &return_val);
1518 static void editbox_changed(GtkEditable *ed, gpointer data)
1520 config_item *i = (config_item *)data;
1523 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
1526 static void button_toggled(GtkToggleButton *tb, gpointer data)
1528 config_item *i = (config_item *)data;
1530 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
1533 static void droplist_sel(GtkComboBox *combo, gpointer data)
1535 config_item *i = (config_item *)data;
1537 i->ival = gtk_combo_box_get_active(combo);
1540 static int get_config(frontend *fe, int which)
1542 GtkWidget *w, *table, *cancel;
1547 fe->cfg = midend_get_config(fe->me, which, &title);
1548 fe->cfg_which = which;
1551 fe->cfgbox = gtk_dialog_new();
1552 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
1555 w = gtk_button_new_with_our_label(LABEL_CANCEL);
1557 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox))),
1558 w, FALSE, FALSE, 0);
1560 g_signal_connect(G_OBJECT(w), "clicked",
1561 G_CALLBACK(config_cancel_button_clicked), fe);
1564 w = gtk_button_new_with_our_label(LABEL_OK);
1566 (GTK_BOX(gtk_dialog_get_action_area(GTK_DIALOG(fe->cfgbox))),
1567 w, FALSE, FALSE, 0);
1569 gtk_widget_set_can_default(w, TRUE);
1570 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
1571 g_signal_connect(G_OBJECT(w), "clicked",
1572 G_CALLBACK(config_ok_button_clicked), fe);
1574 #if GTK_CHECK_VERSION(3,0,0)
1575 table = gtk_grid_new();
1577 table = gtk_table_new(1, 2, FALSE);
1581 (GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(fe->cfgbox))),
1582 table, FALSE, FALSE, 0);
1583 gtk_widget_show(table);
1585 for (i = fe->cfg; i->type != C_END; i++) {
1586 #if !GTK_CHECK_VERSION(3,0,0)
1587 gtk_table_resize(GTK_TABLE(table), y+1, 2);
1593 * Edit box with a label beside it.
1596 w = gtk_label_new(i->name);
1597 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
1598 #if GTK_CHECK_VERSION(3,0,0)
1599 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1601 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1602 GTK_SHRINK | GTK_FILL,
1603 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1608 w = gtk_entry_new();
1609 #if GTK_CHECK_VERSION(3,0,0)
1610 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1611 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1613 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1614 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1615 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1618 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
1619 g_signal_connect(G_OBJECT(w), "changed",
1620 G_CALLBACK(editbox_changed), i);
1621 g_signal_connect(G_OBJECT(w), "key_press_event",
1622 G_CALLBACK(editbox_key), NULL);
1631 w = gtk_check_button_new_with_label(i->name);
1632 g_signal_connect(G_OBJECT(w), "toggled",
1633 G_CALLBACK(button_toggled), i);
1634 #if GTK_CHECK_VERSION(3,0,0)
1635 gtk_grid_attach(GTK_GRID(table), w, 0, y, 2, 1);
1636 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1638 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
1639 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1640 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1643 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
1649 * Drop-down list (GtkComboBox).
1652 w = gtk_label_new(i->name);
1653 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
1654 #if GTK_CHECK_VERSION(3,0,0)
1655 gtk_grid_attach(GTK_GRID(table), w, 0, y, 1, 1);
1657 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1658 GTK_SHRINK | GTK_FILL,
1659 GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
1667 GtkListStore *model;
1668 GtkCellRenderer *cr;
1671 model = gtk_list_store_new(1, G_TYPE_STRING);
1678 while (*q && *q != c)
1681 name = snewn(q-p+1, char);
1682 strncpy(name, p, q-p);
1685 if (*q) q++; /* eat delimiter */
1687 gtk_list_store_append(model, &iter);
1688 gtk_list_store_set(model, &iter, 0, name, -1);
1693 w = gtk_combo_box_new_with_model(GTK_TREE_MODEL(model));
1695 gtk_combo_box_set_active(GTK_COMBO_BOX(w), i->ival);
1697 cr = gtk_cell_renderer_text_new();
1698 gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(w), cr, TRUE);
1699 gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(w), cr,
1702 g_signal_connect(G_OBJECT(w), "changed",
1703 G_CALLBACK(droplist_sel), i);
1706 #if GTK_CHECK_VERSION(3,0,0)
1707 gtk_grid_attach(GTK_GRID(table), w, 1, y, 1, 1);
1708 g_object_set(G_OBJECT(w), "hexpand", TRUE, (const char *)NULL);
1710 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1711 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1712 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1722 g_signal_connect(G_OBJECT(fe->cfgbox), "destroy",
1723 G_CALLBACK(window_destroy), NULL);
1724 g_signal_connect(G_OBJECT(fe->cfgbox), "key_press_event",
1725 G_CALLBACK(win_key_press), cancel);
1726 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1727 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1728 GTK_WINDOW(fe->window));
1729 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1730 gtk_widget_show(fe->cfgbox);
1738 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1740 frontend *fe = (frontend *)data;
1741 int key = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
1743 if (!midend_process_key(fe->me, 0, 0, key))
1744 gtk_widget_destroy(fe->window);
1747 static void get_size(frontend *fe, int *px, int *py)
1752 * Currently I don't want to make the GTK port scale large
1753 * puzzles to fit on the screen. This is because X does permit
1754 * extremely large windows and many window managers provide a
1755 * means of navigating round them, and the users I consulted
1756 * before deciding said that they'd rather have enormous puzzle
1757 * windows spanning multiple screen pages than have them
1758 * shrunk. I could change my mind later or introduce
1759 * configurability; this would be the place to do so, by
1760 * replacing the initial values of x and y with the screen
1765 midend_size(fe->me, &x, &y, FALSE);
1770 #if !GTK_CHECK_VERSION(2,0,0)
1771 #define gtk_window_resize(win, x, y) \
1772 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1776 * Called when any other code in this file has changed the
1777 * selected game parameters.
1779 static void changed_preset(frontend *fe)
1781 int n = midend_which_preset(fe->me);
1783 fe->preset_threaded = TRUE;
1784 if (n < 0 && fe->preset_custom) {
1785 gtk_check_menu_item_set_active(
1786 GTK_CHECK_MENU_ITEM(fe->preset_custom),
1789 GSList *gs = fe->preset_radio;
1790 int i = fe->n_preset_menu_items - 1 - n;
1791 if (fe->preset_custom)
1798 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1800 } else for (gs = fe->preset_radio; gs; gs = gs->next) {
1801 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1805 fe->preset_threaded = FALSE;
1808 * Update the greying on the Copy menu option.
1810 if (fe->copy_menu_item) {
1811 int enabled = midend_can_format_as_text_now(fe->me);
1812 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1816 #if !GTK_CHECK_VERSION(3,0,0)
1817 static gboolean not_size_allocated_yet(GtkWidget *w)
1820 * This function tests whether a widget has not yet taken up space
1821 * on the screen which it will occupy in future. (Therefore, it
1822 * returns true only if the widget does exist but does not have a
1823 * size allocation. A null widget is already taking up all the
1824 * space it ever will.)
1827 return FALSE; /* nonexistent widgets aren't a problem */
1829 #if GTK_CHECK_VERSION(2,18,0) /* skip if no gtk_widget_get_allocation */
1832 gtk_widget_get_allocation(w, &a);
1833 if (a.height == 0 || a.width == 0)
1834 return TRUE; /* widget exists but has no size yet */
1841 static void try_shrink_drawing_area(frontend *fe)
1843 if (fe->drawing_area_shrink_pending &&
1844 (!fe->menubar_is_local || !not_size_allocated_yet(fe->menubar)) &&
1845 !not_size_allocated_yet(fe->statusbar)) {
1847 * In order to permit the user to resize the window smaller as
1848 * well as bigger, we call this function after the window size
1849 * has ended up where we want it. This shouldn't shrink the
1850 * window immediately; it just arranges that the next time the
1851 * user tries to shrink it, they can.
1853 * However, at puzzle creation time, we defer the first of
1854 * these operations until after the menu bar and status bar
1855 * are actually visible. On Ubuntu 12.04 I've found that these
1856 * can take a while to be displayed, and that it's a mistake
1857 * to reduce the drawing area's size allocation before they've
1858 * turned up or else the drawing area makes room for them by
1859 * shrinking to less than the size we intended.
1861 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1862 fe->drawing_area_shrink_pending = FALSE;
1865 #endif /* !GTK_CHECK_VERSION(3,0,0) */
1867 static gint configure_window(GtkWidget *widget,
1868 GdkEventConfigure *event, gpointer data)
1870 #if !GTK_CHECK_VERSION(3,0,0)
1872 * When the main puzzle window changes size, it might be because
1873 * the menu bar or status bar has turned up after starting off
1874 * absent, in which case we should have another go at enacting a
1875 * pending shrink of the drawing area.
1877 frontend *fe = (frontend *)data;
1878 try_shrink_drawing_area(fe);
1883 static void resize_fe(frontend *fe)
1887 get_size(fe, &x, &y);
1889 #if GTK_CHECK_VERSION(3,0,0)
1890 gtk_window_resize_to_geometry(GTK_WINDOW(fe->window), x, y);
1894 fe->drawing_area_shrink_pending = FALSE;
1895 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1898 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1899 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1901 fe->drawing_area_shrink_pending = TRUE;
1902 try_shrink_drawing_area(fe);
1906 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1908 frontend *fe = (frontend *)data;
1909 game_params *params =
1910 (game_params *)g_object_get_data(G_OBJECT(menuitem), "user-data");
1912 if (fe->preset_threaded ||
1913 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
1914 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
1916 midend_set_params(fe->me, params);
1917 midend_new_game(fe->me);
1922 GdkAtom compound_text_atom, utf8_string_atom;
1923 int paste_initialised = FALSE;
1925 static void set_selection(frontend *fe, GdkAtom selection)
1927 if (!paste_initialised) {
1928 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1929 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1930 paste_initialised = TRUE;
1934 * For this simple application we can safely assume that the
1935 * data passed to this function is pure ASCII, which means we
1936 * can return precisely the same stuff for types STRING,
1937 * COMPOUND_TEXT or UTF8_STRING.
1940 if (gtk_selection_owner_set(fe->area, selection, CurrentTime)) {
1941 gtk_selection_clear_targets(fe->area, selection);
1942 gtk_selection_add_target(fe->area, selection,
1943 GDK_SELECTION_TYPE_STRING, 1);
1944 gtk_selection_add_target(fe->area, selection, compound_text_atom, 1);
1945 gtk_selection_add_target(fe->area, selection, utf8_string_atom, 1);
1949 void write_clip(frontend *fe, char *data)
1952 sfree(fe->paste_data);
1954 fe->paste_data = data;
1955 fe->paste_data_len = strlen(data);
1957 set_selection(fe, GDK_SELECTION_PRIMARY);
1958 set_selection(fe, GDK_SELECTION_CLIPBOARD);
1961 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1962 guint info, guint time_stamp, gpointer data)
1964 frontend *fe = (frontend *)data;
1965 gtk_selection_data_set(seldata, gtk_selection_data_get_target(seldata), 8,
1966 fe->paste_data, fe->paste_data_len);
1969 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1972 frontend *fe = (frontend *)data;
1975 sfree(fe->paste_data);
1976 fe->paste_data = NULL;
1977 fe->paste_data_len = 0;
1981 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1983 frontend *fe = (frontend *)data;
1986 text = midend_text_format(fe->me);
1989 write_clip(fe, text);
1997 static void filesel_ok(GtkButton *button, gpointer data)
1999 frontend *fe = (frontend *)data;
2001 gpointer filesel = g_object_get_data(G_OBJECT(button), "user-data");
2004 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
2006 fe->filesel_name = dupstr(name);
2009 static char *file_selector(frontend *fe, char *title, int save)
2011 GtkWidget *filesel =
2012 gtk_file_selection_new(title);
2014 fe->filesel_name = NULL;
2016 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
2018 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
2021 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2022 G_CALLBACK(filesel_ok), fe);
2023 g_signal_connect_swapped
2024 (G_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
2025 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2026 g_signal_connect_object
2027 (G_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
2028 G_CALLBACK(gtk_widget_destroy), (gpointer)filesel);
2029 g_signal_connect(G_OBJECT(filesel), "destroy",
2030 G_CALLBACK(window_destroy), NULL);
2031 gtk_widget_show(filesel);
2032 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
2035 return fe->filesel_name;
2040 static char *file_selector(frontend *fe, char *title, int save)
2042 char *filesel_name = NULL;
2044 GtkWidget *filesel =
2045 gtk_file_chooser_dialog_new(title,
2046 GTK_WINDOW(fe->window),
2047 save ? GTK_FILE_CHOOSER_ACTION_SAVE :
2048 GTK_FILE_CHOOSER_ACTION_OPEN,
2049 LABEL_CANCEL, GTK_RESPONSE_CANCEL,
2050 save ? LABEL_SAVE : LABEL_OPEN,
2051 GTK_RESPONSE_ACCEPT,
2054 if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
2055 const char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
2056 filesel_name = dupstr(name);
2059 gtk_widget_destroy(filesel);
2061 return filesel_name;
2066 struct savefile_write_ctx {
2071 static void savefile_write(void *wctx, void *buf, int len)
2073 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
2074 if (fwrite(buf, 1, len, ctx->fp) < len)
2078 static int savefile_read(void *wctx, void *buf, int len)
2080 FILE *fp = (FILE *)wctx;
2083 ret = fread(buf, 1, len, fp);
2084 return (ret == len);
2087 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
2089 frontend *fe = (frontend *)data;
2092 name = file_selector(fe, "Enter name of game file to save", TRUE);
2097 if ((fp = fopen(name, "r")) != NULL) {
2098 char buf[256 + FILENAME_MAX];
2102 sprintf(buf, "Are you sure you want to overwrite the"
2104 FILENAME_MAX, name);
2105 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
2109 fp = fopen(name, "w");
2113 error_box(fe->window, "Unable to open save file");
2118 struct savefile_write_ctx ctx;
2121 midend_serialise(fe->me, savefile_write, &ctx);
2125 sprintf(boxmsg, "Error writing save file: %.400s",
2127 error_box(fe->window, boxmsg);
2135 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
2137 frontend *fe = (frontend *)data;
2140 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
2143 FILE *fp = fopen(name, "r");
2147 error_box(fe->window, "Unable to open saved game file");
2151 err = midend_deserialise(fe->me, savefile_read, fp);
2156 error_box(fe->window, err);
2165 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
2167 frontend *fe = (frontend *)data;
2170 msg = midend_solve(fe->me);
2173 error_box(fe->window, msg);
2176 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
2178 frontend *fe = (frontend *)data;
2180 midend_restart_game(fe->me);
2183 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
2185 frontend *fe = (frontend *)data;
2186 int which = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menuitem),
2189 if (fe->preset_threaded ||
2190 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
2191 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
2193 changed_preset(fe); /* Put the old preset back! */
2194 if (!get_config(fe, which))
2197 midend_new_game(fe->me);
2201 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
2203 frontend *fe = (frontend *)data;
2207 sprintf(titlebuf, "About %.200s", thegame.name);
2210 "from Simon Tatham's Portable Puzzle Collection\n\n"
2211 "%.500s", thegame.name, ver);
2213 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
2216 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
2217 char *text, int key)
2219 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
2221 gtk_container_add(cont, menuitem);
2222 g_object_set_data(G_OBJECT(menuitem), "user-data", GINT_TO_POINTER(key));
2223 g_signal_connect(G_OBJECT(menuitem), "activate",
2224 G_CALLBACK(menu_key_event), fe);
2225 switch (key & ~0x1F) {
2228 keyqual = GDK_CONTROL_MASK;
2232 keyqual = GDK_SHIFT_MASK;
2238 gtk_widget_add_accelerator(menuitem,
2239 "activate", fe->accelgroup,
2242 gtk_widget_show(menuitem);
2246 static void add_menu_separator(GtkContainer *cont)
2248 GtkWidget *menuitem = gtk_menu_item_new();
2249 gtk_container_add(cont, menuitem);
2250 gtk_widget_show(menuitem);
2253 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
2255 static frontend *new_window(char *arg, int argtype, char **error)
2258 GtkBox *vbox, *hbox;
2259 GtkWidget *menu, *menuitem;
2263 extern char *const *const xpm_icons[];
2264 extern const int n_xpm_icons;
2266 fe = snew(frontend);
2268 fe->timer_active = FALSE;
2271 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
2281 err = midend_game_id(fe->me, arg);
2283 midend_new_game(fe->me);
2285 sprintf(errbuf, "Invalid game ID: %.800s", err);
2288 fp = fopen(arg, "r");
2290 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
2292 err = midend_deserialise(fe->me, savefile_read, fp);
2294 sprintf(errbuf, "Invalid save file: %.800s", err);
2298 default /*case ARG_EITHER*/:
2300 * First try treating the argument as a game ID.
2302 err = midend_game_id(fe->me, arg);
2305 * It's a valid game ID.
2307 midend_new_game(fe->me);
2309 FILE *fp = fopen(arg, "r");
2311 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
2312 " nor a save file (%.400s)", err, strerror(errno));
2314 err = midend_deserialise(fe->me, savefile_read, fp);
2316 sprintf(errbuf, "%.800s", err);
2323 *error = dupstr(errbuf);
2324 midend_free(fe->me);
2330 midend_new_game(fe->me);
2333 #if !GTK_CHECK_VERSION(3,0,0)
2336 * try_shrink_drawing_area() will do some fiddling with the
2337 * window size request (see comment in that function) after
2338 * all the bits and pieces such as the menu bar and status bar
2339 * have appeared in the puzzle window.
2341 * However, on Unity systems, the menu bar _doesn't_ appear in
2342 * the puzzle window, because the Unity shell hijacks it into
2343 * the menu bar at the very top of the screen. We therefore
2344 * try to detect that situation here, so that we don't sit
2345 * here forever waiting for a menu bar.
2347 const char prop[] = "gtk-shell-shows-menubar";
2348 GtkSettings *settings = gtk_settings_get_default();
2349 if (!g_object_class_find_property(G_OBJECT_GET_CLASS(settings),
2351 fe->menubar_is_local = TRUE;
2354 g_object_get(gtk_settings_get_default(),
2356 (const gchar *)NULL);
2357 fe->menubar_is_local = !unity_mode;
2362 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2363 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
2365 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
2366 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
2367 gtk_widget_show(GTK_WIDGET(vbox));
2369 fe->accelgroup = gtk_accel_group_new();
2370 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
2372 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2373 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2374 gtk_widget_show(GTK_WIDGET(hbox));
2376 fe->menubar = gtk_menu_bar_new();
2377 gtk_box_pack_start(hbox, fe->menubar, TRUE, TRUE, 0);
2378 gtk_widget_show(fe->menubar);
2380 menuitem = gtk_menu_item_new_with_mnemonic("_Game");
2381 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2382 gtk_widget_show(menuitem);
2384 menu = gtk_menu_new();
2385 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2387 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
2389 menuitem = gtk_menu_item_new_with_label("Restart");
2390 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2391 g_signal_connect(G_OBJECT(menuitem), "activate",
2392 G_CALLBACK(menu_restart_event), fe);
2393 gtk_widget_show(menuitem);
2395 menuitem = gtk_menu_item_new_with_label("Specific...");
2396 g_object_set_data(G_OBJECT(menuitem), "user-data",
2397 GINT_TO_POINTER(CFG_DESC));
2398 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2399 g_signal_connect(G_OBJECT(menuitem), "activate",
2400 G_CALLBACK(menu_config_event), fe);
2401 gtk_widget_show(menuitem);
2403 menuitem = gtk_menu_item_new_with_label("Random Seed...");
2404 g_object_set_data(G_OBJECT(menuitem), "user-data",
2405 GINT_TO_POINTER(CFG_SEED));
2406 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2407 g_signal_connect(G_OBJECT(menuitem), "activate",
2408 G_CALLBACK(menu_config_event), fe);
2409 gtk_widget_show(menuitem);
2411 fe->preset_radio = NULL;
2412 fe->preset_custom = NULL;
2413 fe->n_preset_menu_items = 0;
2414 fe->preset_threaded = FALSE;
2415 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
2419 menuitem = gtk_menu_item_new_with_mnemonic("_Type");
2420 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2421 gtk_widget_show(menuitem);
2423 submenu = gtk_menu_new();
2424 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
2426 for (i = 0; i < n; i++) {
2428 game_params *params;
2430 midend_fetch_preset(fe->me, i, &name, ¶ms);
2433 gtk_radio_menu_item_new_with_label(fe->preset_radio, name);
2435 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2436 fe->n_preset_menu_items++;
2437 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2438 g_object_set_data(G_OBJECT(menuitem), "user-data", params);
2439 g_signal_connect(G_OBJECT(menuitem), "activate",
2440 G_CALLBACK(menu_preset_event), fe);
2441 gtk_widget_show(menuitem);
2444 if (thegame.can_configure) {
2445 menuitem = fe->preset_custom =
2446 gtk_radio_menu_item_new_with_label(fe->preset_radio,
2449 gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menuitem));
2450 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2451 g_object_set_data(G_OBJECT(menuitem), "user-data",
2452 GINT_TO_POINTER(CFG_SETTINGS));
2453 g_signal_connect(G_OBJECT(menuitem), "activate",
2454 G_CALLBACK(menu_config_event), fe);
2455 gtk_widget_show(menuitem);
2460 add_menu_separator(GTK_CONTAINER(menu));
2461 menuitem = gtk_menu_item_new_with_label("Load...");
2462 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2463 g_signal_connect(G_OBJECT(menuitem), "activate",
2464 G_CALLBACK(menu_load_event), fe);
2465 gtk_widget_show(menuitem);
2466 menuitem = gtk_menu_item_new_with_label("Save...");
2467 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2468 g_signal_connect(G_OBJECT(menuitem), "activate",
2469 G_CALLBACK(menu_save_event), fe);
2470 gtk_widget_show(menuitem);
2471 #ifndef STYLUS_BASED
2472 add_menu_separator(GTK_CONTAINER(menu));
2473 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
2474 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
2476 if (thegame.can_format_as_text_ever) {
2477 add_menu_separator(GTK_CONTAINER(menu));
2478 menuitem = gtk_menu_item_new_with_label("Copy");
2479 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2480 g_signal_connect(G_OBJECT(menuitem), "activate",
2481 G_CALLBACK(menu_copy_event), fe);
2482 gtk_widget_show(menuitem);
2483 fe->copy_menu_item = menuitem;
2485 fe->copy_menu_item = NULL;
2487 if (thegame.can_solve) {
2488 add_menu_separator(GTK_CONTAINER(menu));
2489 menuitem = gtk_menu_item_new_with_label("Solve");
2490 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2491 g_signal_connect(G_OBJECT(menuitem), "activate",
2492 G_CALLBACK(menu_solve_event), fe);
2493 gtk_widget_show(menuitem);
2495 add_menu_separator(GTK_CONTAINER(menu));
2496 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
2498 menuitem = gtk_menu_item_new_with_mnemonic("_Help");
2499 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2500 gtk_widget_show(menuitem);
2502 menu = gtk_menu_new();
2503 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2505 menuitem = gtk_menu_item_new_with_label("About");
2506 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2507 g_signal_connect(G_OBJECT(menuitem), "activate",
2508 G_CALLBACK(menu_about_event), fe);
2509 gtk_widget_show(menuitem);
2512 menuitem=gtk_button_new_with_mnemonic("_Redo");
2513 g_object_set_data(G_OBJECT(menuitem), "user-data",
2514 GINT_TO_POINTER((int)('r')));
2515 g_signal_connect(G_OBJECT(menuitem), "clicked",
2516 G_CALLBACK(menu_key_event), fe);
2517 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2518 gtk_widget_show(menuitem);
2520 menuitem=gtk_button_new_with_mnemonic("_Undo");
2521 g_object_set_data(G_OBJECT(menuitem), "user-data",
2522 GINT_TO_POINTER((int)('u')));
2523 g_signal_connect(G_OBJECT(menuitem), "clicked",
2524 G_CALLBACK(menu_key_event), fe);
2525 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2526 gtk_widget_show(menuitem);
2528 if (thegame.flags & REQUIRE_NUMPAD) {
2529 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2530 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2531 gtk_widget_show(GTK_WIDGET(hbox));
2535 for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
2536 menuitem=gtk_button_new_with_label(errbuf);
2537 g_object_set_data(G_OBJECT(menuitem), "user-data",
2538 GINT_TO_POINTER((int)(errbuf[0])));
2539 g_signal_connect(G_OBJECT(menuitem), "clicked",
2540 G_CALLBACK(menu_key_event), fe);
2541 gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0);
2542 gtk_widget_show(menuitem);
2545 #endif /* STYLUS_BASED */
2549 snaffle_colours(fe);
2551 if (midend_wants_statusbar(fe->me)) {
2552 GtkWidget *viewport;
2555 viewport = gtk_viewport_new(NULL, NULL);
2556 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
2557 fe->statusbar = gtk_statusbar_new();
2558 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
2559 gtk_widget_show(viewport);
2560 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
2561 gtk_widget_show(fe->statusbar);
2562 fe->statusctx = gtk_statusbar_get_context_id
2563 (GTK_STATUSBAR(fe->statusbar), "game");
2564 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
2566 #if GTK_CHECK_VERSION(3,0,0)
2567 gtk_widget_get_preferred_size(fe->statusbar, &req, NULL);
2569 gtk_widget_size_request(fe->statusbar, &req);
2571 gtk_widget_set_size_request(viewport, -1, req.height);
2573 fe->statusbar = NULL;
2575 fe->area = gtk_drawing_area_new();
2576 #if GTK_CHECK_VERSION(2,0,0) && !GTK_CHECK_VERSION(3,0,0)
2577 gtk_widget_set_double_buffered(fe->area, FALSE);
2581 geom.base_width = geom.base_height = 0;
2582 gtk_window_set_geometry_hints(GTK_WINDOW(fe->window), fe->area,
2583 &geom, GDK_HINT_BASE_SIZE);
2585 get_size(fe, &x, &y);
2586 #if GTK_CHECK_VERSION(3,0,0)
2587 gtk_window_set_default_geometry(GTK_WINDOW(fe->window), x, y);
2589 fe->drawing_area_shrink_pending = FALSE;
2590 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
2595 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
2597 clear_backing_store(fe);
2599 fe->nfonts = fe->fontsize = 0;
2601 fe->paste_data = NULL;
2602 fe->paste_data_len = 0;
2604 g_signal_connect(G_OBJECT(fe->window), "destroy",
2605 G_CALLBACK(destroy), fe);
2606 g_signal_connect(G_OBJECT(fe->window), "key_press_event",
2607 G_CALLBACK(key_event), fe);
2608 g_signal_connect(G_OBJECT(fe->area), "button_press_event",
2609 G_CALLBACK(button_event), fe);
2610 g_signal_connect(G_OBJECT(fe->area), "button_release_event",
2611 G_CALLBACK(button_event), fe);
2612 g_signal_connect(G_OBJECT(fe->area), "motion_notify_event",
2613 G_CALLBACK(motion_event), fe);
2614 g_signal_connect(G_OBJECT(fe->area), "selection_get",
2615 G_CALLBACK(selection_get), fe);
2616 g_signal_connect(G_OBJECT(fe->area), "selection_clear_event",
2617 G_CALLBACK(selection_clear), fe);
2618 #if GTK_CHECK_VERSION(3,0,0)
2619 g_signal_connect(G_OBJECT(fe->area), "draw",
2620 G_CALLBACK(draw_area), fe);
2622 g_signal_connect(G_OBJECT(fe->area), "expose_event",
2623 G_CALLBACK(expose_area), fe);
2625 g_signal_connect(G_OBJECT(fe->window), "map_event",
2626 G_CALLBACK(map_window), fe);
2627 g_signal_connect(G_OBJECT(fe->area), "configure_event",
2628 G_CALLBACK(configure_area), fe);
2629 g_signal_connect(G_OBJECT(fe->window), "configure_event",
2630 G_CALLBACK(configure_window), fe);
2632 gtk_widget_add_events(GTK_WIDGET(fe->area),
2633 GDK_BUTTON_PRESS_MASK |
2634 GDK_BUTTON_RELEASE_MASK |
2635 GDK_BUTTON_MOTION_MASK |
2636 GDK_POINTER_MOTION_HINT_MASK);
2639 gtk_window_set_icon(GTK_WINDOW(fe->window),
2640 gdk_pixbuf_new_from_xpm_data
2641 ((const gchar **)xpm_icons[0]));
2644 for (n = 0; n < n_xpm_icons; n++) {
2646 g_list_append(iconlist,
2647 gdk_pixbuf_new_from_xpm_data((const gchar **)
2650 gtk_window_set_icon_list(GTK_WINDOW(fe->window), iconlist);
2653 gtk_widget_show(fe->area);
2654 gtk_widget_show(fe->window);
2656 #if !GTK_CHECK_VERSION(3,0,0)
2657 fe->drawing_area_shrink_pending = TRUE;
2658 try_shrink_drawing_area(fe);
2661 set_window_background(fe, 0);
2666 char *fgetline(FILE *fp)
2668 char *ret = snewn(512, char);
2669 int size = 512, len = 0;
2670 while (fgets(ret + len, size - len, fp)) {
2671 len += strlen(ret + len);
2672 if (ret[len-1] == '\n')
2673 break; /* got a newline, we're done */
2675 ret = sresize(ret, size, char);
2677 if (len == 0) { /* first fgets returned NULL */
2685 int main(int argc, char **argv)
2687 char *pname = argv[0];
2689 int ngenerate = 0, print = FALSE, px = 1, py = 1;
2690 int time_generation = FALSE, test_solve = FALSE, list_presets = FALSE;
2691 int soln = FALSE, colour = FALSE;
2693 float redo_proportion = 0.0F;
2694 char *savefile = NULL, *savesuffix = NULL;
2696 int argtype = ARG_EITHER;
2697 char *screenshot_file = NULL;
2698 int doing_opts = TRUE;
2704 * Command line parsing in this function is rather fiddly,
2705 * because GTK wants to have a go at argc/argv _first_ - and
2706 * yet we can't let it, because gtk_init() will bomb out if it
2707 * can't open an X display, whereas in fact we want to permit
2708 * our --generate and --print modes to run without an X
2712 * - we parse the command line ourselves, without modifying
2714 * - if we encounter an error which might plausibly be the
2715 * result of a GTK command line (i.e. not detailed errors in
2716 * particular options of ours) we store the error message
2717 * and terminate parsing.
2718 * - if we got enough out of the command line to know it
2719 * specifies a non-X mode of operation, we either display
2720 * the stored error and return failure, or if there is no
2721 * stored error we do the non-X operation and return
2723 * - otherwise, we go straight to gtk_init().
2729 if (doing_opts && !strcmp(p, "--version")) {
2730 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
2733 } else if (doing_opts && !strcmp(p, "--generate")) {
2735 ngenerate = atoi(*++av);
2737 fprintf(stderr, "%s: '--generate' expected a number\n",
2743 } else if (doing_opts && !strcmp(p, "--time-generation")) {
2744 time_generation = TRUE;
2745 } else if (doing_opts && !strcmp(p, "--test-solve")) {
2747 } else if (doing_opts && !strcmp(p, "--list-presets")) {
2748 list_presets = TRUE;
2749 } else if (doing_opts && !strcmp(p, "--save")) {
2753 fprintf(stderr, "%s: '--save' expected a filename\n",
2757 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
2758 !strcmp(p, "--savesuffix"))) {
2762 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
2766 } else if (doing_opts && !strcmp(p, "--print")) {
2767 if (!thegame.can_print) {
2768 fprintf(stderr, "%s: this game does not support printing\n",
2775 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
2776 fprintf(stderr, "%s: unable to parse argument '%s' to "
2777 "'--print'\n", pname, dim);
2783 } else if (doing_opts && !strcmp(p, "--scale")) {
2785 scale = atof(*++av);
2787 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2791 } else if (doing_opts && !strcmp(p, "--redo")) {
2793 * This is an internal option which I don't expect
2794 * users to have any particular use for. The effect of
2795 * --redo is that once the game has been loaded and
2796 * initialised, the next move in the redo chain is
2797 * replayed, and the game screen is redrawn part way
2798 * through the making of the move. This is only
2799 * meaningful if there _is_ a next move in the redo
2800 * chain, which means in turn that this option is only
2801 * useful if you're also passing a save file on the
2804 * This option is used by the script which generates
2805 * the puzzle icons and website screenshots, and I
2806 * don't imagine it's useful for anything else.
2807 * (Unless, I suppose, users don't like my screenshots
2808 * and want to generate their own in the same way for
2809 * some repackaged version of the puzzles.)
2812 redo_proportion = atof(*++av);
2814 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
2818 } else if (doing_opts && !strcmp(p, "--screenshot")) {
2820 * Another internal option for the icon building
2821 * script. This causes a screenshot of the central
2822 * drawing area (i.e. not including the menu bar or
2823 * status bar) to be saved to a PNG file once the
2824 * window has been drawn, and then the application
2825 * quits immediately.
2828 screenshot_file = *++av;
2830 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
2834 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
2835 !strcmp(p, "--with-solution") ||
2836 !strcmp(p, "--with-solns") ||
2837 !strcmp(p, "--with-soln") ||
2838 !strcmp(p, "--solutions") ||
2839 !strcmp(p, "--solution") ||
2840 !strcmp(p, "--solns") ||
2841 !strcmp(p, "--soln"))) {
2843 } else if (doing_opts && !strcmp(p, "--colour")) {
2844 if (!thegame.can_print_in_colour) {
2845 fprintf(stderr, "%s: this game does not support colour"
2846 " printing\n", pname);
2850 } else if (doing_opts && !strcmp(p, "--load")) {
2852 } else if (doing_opts && !strcmp(p, "--game")) {
2854 } else if (doing_opts && !strcmp(p, "--")) {
2856 } else if (!doing_opts || p[0] != '-') {
2858 fprintf(stderr, "%s: more than one argument supplied\n",
2864 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
2871 * Special standalone mode for generating puzzle IDs on the
2872 * command line. Useful for generating puzzles to be printed
2873 * out and solved offline (for puzzles where that even makes
2874 * sense - Solo, for example, is a lot more pencil-and-paper
2875 * friendly than Twiddle!)
2879 * <puzzle-name> --generate [<n> [<params>]]
2881 * <n>, if present, is the number of puzzle IDs to generate.
2882 * <params>, if present, is the same type of parameter string
2883 * you would pass to the puzzle when running it in GUI mode,
2884 * including optional extras such as the expansion factor in
2885 * Rectangles and the difficulty level in Solo.
2887 * If you specify <params>, you must also specify <n> (although
2888 * you may specify it to be 1). Sorry; that was the
2889 * simplest-to-parse command-line syntax I came up with.
2891 if (ngenerate > 0 || print || savefile || savesuffix) {
2895 document *doc = NULL;
2898 * If we're in this branch, we should display any pending
2899 * error message from the command line, since GTK isn't going
2900 * to take another crack at making sense of it.
2903 fputs(errbuf, stderr);
2909 me = midend_new(NULL, &thegame, NULL, NULL);
2912 if (savefile && !savesuffix)
2914 if (!savefile && savesuffix)
2918 doc = document_new(px, py, scale);
2921 * In this loop, we either generate a game ID or read one
2922 * from stdin depending on whether we're in generate mode;
2923 * then we either write it to stdout or print it, depending
2924 * on whether we're in print mode. Thus, this loop handles
2925 * generate-to-stdout, print-from-stdin and generate-and-
2926 * immediately-print modes.
2928 * (It could also handle a copy-stdin-to-stdout mode,
2929 * although there's currently no combination of options
2930 * which will cause this loop to be activated in that mode.
2931 * It wouldn't be _entirely_ pointless, though, because
2932 * stdin could contain bare params strings or random-seed
2933 * IDs, and stdout would contain nothing but fully
2934 * generated descriptive game IDs.)
2936 while (ngenerate == 0 || i < n) {
2937 char *pstr, *err, *seed;
2938 struct rusage before, after;
2940 if (ngenerate == 0) {
2941 pstr = fgetline(stdin);
2944 pstr[strcspn(pstr, "\r\n")] = '\0';
2947 pstr = snewn(strlen(arg) + 40, char);
2950 if (i > 0 && strchr(arg, '#'))
2951 sprintf(pstr + strlen(pstr), "-%d", i);
2957 err = midend_game_id(me, pstr);
2959 fprintf(stderr, "%s: error parsing '%s': %s\n",
2965 if (time_generation)
2966 getrusage(RUSAGE_SELF, &before);
2968 midend_new_game(me);
2970 seed = midend_get_random_seed(me);
2972 if (time_generation) {
2975 getrusage(RUSAGE_SELF, &after);
2977 elapsed = (after.ru_utime.tv_sec -
2978 before.ru_utime.tv_sec);
2979 elapsed += (after.ru_utime.tv_usec -
2980 before.ru_utime.tv_usec) / 1000000.0;
2982 printf("%s %s: %.6f\n", thegame.name, seed, elapsed);
2985 if (test_solve && thegame.can_solve) {
2987 * Now destroy the aux_info in the midend, by means of
2988 * re-entering the same game id, and then try to solve
2991 char *game_id, *err;
2993 game_id = midend_get_game_id(me);
2994 err = midend_game_id(me, game_id);
2996 fprintf(stderr, "%s %s: game id re-entry error: %s\n",
2997 thegame.name, seed, err);
3000 midend_new_game(me);
3003 err = midend_solve(me);
3005 * If the solve operation returned the error "Solution
3006 * not known for this puzzle", that's OK, because that
3007 * just means it's a puzzle for which we don't have an
3008 * algorithmic solver and hence can't solve it without
3009 * the aux_info, e.g. Netslide. Any other error is a
3012 if (err && strcmp(err, "Solution not known for this puzzle")) {
3013 fprintf(stderr, "%s %s: solve error: %s\n",
3014 thegame.name, seed, err);
3023 err = midend_print_puzzle(me, doc, soln);
3025 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
3030 struct savefile_write_ctx ctx;
3031 char *realname = snewn(40 + strlen(savefile) +
3032 strlen(savesuffix), char);
3033 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
3036 char *err = midend_solve(me);
3038 fprintf(stderr, "%s: unable to show solution: %s\n",
3044 ctx.fp = fopen(realname, "w");
3046 fprintf(stderr, "%s: open: %s\n", realname,
3051 midend_serialise(me, savefile_write, &ctx);
3053 fprintf(stderr, "%s: write: %s\n", realname,
3054 strerror(ctx.error));
3057 if (fclose(ctx.fp)) {
3058 fprintf(stderr, "%s: close: %s\n", realname,
3064 if (!doc && !savefile && !time_generation) {
3065 id = midend_get_game_id(me);
3074 psdata *ps = ps_init(stdout, colour);
3075 document_print(doc, ps_drawing_api(ps));
3083 } else if (list_presets) {
3085 * Another specialist mode which causes the puzzle to list the
3086 * game_params strings for all its preset configurations.
3091 me = midend_new(NULL, &thegame, NULL, NULL);
3092 npresets = midend_num_presets(me);
3094 for (i = 0; i < npresets; i++) {
3095 game_params *params;
3096 char *name, *paramstr;
3098 midend_fetch_preset(me, i, &name, ¶ms);
3099 paramstr = thegame.encode_params(params, TRUE);
3101 printf("%s %s\n", paramstr, name);
3110 gtk_init(&argc, &argv);
3112 fe = new_window(arg, argtype, &error);
3115 fprintf(stderr, "%s: %s\n", pname, error);
3119 if (screenshot_file) {
3121 * Some puzzles will not redraw their entire area if
3122 * given a partially completed animation, which means
3123 * we must redraw now and _then_ redraw again after
3124 * freezing the move timer.
3126 midend_force_redraw(fe->me);
3129 if (redo_proportion) {
3131 midend_process_key(fe->me, 0, 0, 'r');
3132 /* And freeze the timer at the specified position. */
3133 midend_freeze_timer(fe->me, redo_proportion);
3136 if (screenshot_file) {
3137 save_screenshot_png(fe, screenshot_file);