2 * gtk.c: GTK front end for my puzzle collection.
17 #include <gdk/gdkkeysyms.h>
19 #include <gdk-pixbuf/gdk-pixbuf.h>
23 #include <X11/Xutil.h>
24 #include <X11/Xatom.h>
28 #if GTK_CHECK_VERSION(2,0,0)
30 # ifdef PANGO_VERSION_CHECK
31 # if PANGO_VERSION_CHECK(1,8,0)
32 # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
36 #if !GTK_CHECK_VERSION(2,4,0)
39 #if GTK_CHECK_VERSION(2,8,0)
43 /* #undef USE_CAIRO */
44 /* #define NO_THICK_LINE */
46 static FILE *debug_fp = NULL;
51 debug_fp = fopen("debug.log", "w");
62 void debug_printf(char *fmt, ...)
68 vsprintf(buf, fmt, ap);
74 /* ----------------------------------------------------------------------
75 * Error reporting functions used elsewhere.
78 void fatal(char *fmt, ...)
82 fprintf(stderr, "fatal error: ");
85 vfprintf(stderr, fmt, ap);
88 fprintf(stderr, "\n");
92 /* ----------------------------------------------------------------------
93 * GTK front end to puzzles.
96 static void changed_preset(frontend *fe);
100 PangoFontDescription *desc;
109 * This structure holds all the data relevant to a single window.
110 * In principle this would allow us to open multiple independent
111 * puzzle windows, although I can't currently see any real point in
112 * doing so. I'm just coding cleanly because there's no
113 * particularly good reason not to.
117 GtkAccelGroup *accelgroup;
119 GtkWidget *statusbar;
125 const float *colours;
127 cairo_surface_t *image;
129 GdkColor background; /* for painting outside puzzle area */
135 int backgroundindex; /* which of colours[] is background */
138 int bbox_l, bbox_r, bbox_u, bbox_d;
139 int timer_active, timer_id;
140 struct timeval last_time;
142 int nfonts, fontsize;
144 int cfg_which, cfgret;
148 int pw, ph; /* pixmap size (w, h are area size) */
149 int ox, oy; /* offset of pixmap in drawing area */
153 int drawing_area_shrink_pending;
154 GSList *preset_radio;
155 int n_preset_menu_items;
157 GtkWidget *preset_custom;
158 GtkWidget *copy_menu_item;
163 cairo_surface_t *image;
170 void get_random_seed(void **randseed, int *randseedsize)
172 struct timeval *tvp = snew(struct timeval);
173 gettimeofday(tvp, NULL);
174 *randseed = (void *)tvp;
175 *randseedsize = sizeof(struct timeval);
178 void frontend_default_colour(frontend *fe, float *output)
180 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
181 output[0] = col.red / 65535.0;
182 output[1] = col.green / 65535.0;
183 output[2] = col.blue / 65535.0;
186 void gtk_status_bar(void *handle, char *text)
188 frontend *fe = (frontend *)handle;
190 assert(fe->statusbar);
192 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
193 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
196 /* ----------------------------------------------------------------------
197 * Cairo drawing functions.
202 static void setup_drawing(frontend *fe)
204 fe->cr = cairo_create(fe->image);
205 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_GRAY);
206 cairo_set_line_width(fe->cr, 1.0);
207 cairo_set_line_cap(fe->cr, CAIRO_LINE_CAP_SQUARE);
208 cairo_set_line_join(fe->cr, CAIRO_LINE_JOIN_ROUND);
211 static void teardown_drawing(frontend *fe)
215 cairo_destroy(fe->cr);
218 cr = gdk_cairo_create(fe->pixmap);
219 cairo_set_source_surface(cr, fe->image, 0, 0);
223 fe->bbox_r - fe->bbox_l + 2,
224 fe->bbox_d - fe->bbox_u + 2);
229 static void snaffle_colours(frontend *fe)
231 fe->colours = midend_colours(fe->me, &fe->ncolours);
234 static void set_colour(frontend *fe, int colour)
236 cairo_set_source_rgb(fe->cr,
237 fe->colours[3*colour + 0],
238 fe->colours[3*colour + 1],
239 fe->colours[3*colour + 2]);
242 static void set_window_background(frontend *fe, int colour)
246 colmap = gdk_colormap_get_system();
247 fe->background.red = fe->colours[3*colour + 0] * 65535;
248 fe->background.green = fe->colours[3*colour + 1] * 65535;
249 fe->background.blue = fe->colours[3*colour + 2] * 65535;
250 if (!gdk_colormap_alloc_color(colmap, &fe->background, FALSE, FALSE)) {
251 g_error("couldn't allocate background (#%02x%02x%02x)\n",
252 fe->background.red >> 8, fe->background.green >> 8,
253 fe->background.blue >> 8);
255 gdk_window_set_background(fe->area->window, &fe->background);
256 gdk_window_set_background(fe->window->window, &fe->background);
259 static PangoLayout *make_pango_layout(frontend *fe)
261 return (pango_cairo_create_layout(fe->cr));
264 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
267 cairo_move_to(fe->cr, x, y);
268 pango_cairo_show_layout(fe->cr, layout);
271 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
273 cairo_surface_write_to_png(fe->image, screenshot_file);
276 static void do_clip(frontend *fe, int x, int y, int w, int h)
278 cairo_new_path(fe->cr);
279 cairo_rectangle(fe->cr, x, y, w, h);
283 static void do_unclip(frontend *fe)
285 cairo_reset_clip(fe->cr);
288 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
291 cairo_new_path(fe->cr);
292 cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_NONE);
293 cairo_rectangle(fe->cr, x, y, w, h);
295 cairo_restore(fe->cr);
298 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
300 cairo_new_path(fe->cr);
301 cairo_move_to(fe->cr, x1 + 0.5, y1 + 0.5);
302 cairo_line_to(fe->cr, x2 + 0.5, y2 + 0.5);
303 cairo_stroke(fe->cr);
306 static void do_draw_thick_line(frontend *fe, float thickness,
307 float x1, float y1, float x2, float y2)
310 cairo_set_line_width(fe->cr, thickness);
311 cairo_new_path(fe->cr);
312 cairo_move_to(fe->cr, x1, y1);
313 cairo_line_to(fe->cr, x2, y2);
314 cairo_stroke(fe->cr);
315 cairo_restore(fe->cr);
318 static void do_draw_poly(frontend *fe, int *coords, int npoints,
319 int fillcolour, int outlinecolour)
323 cairo_new_path(fe->cr);
324 for (i = 0; i < npoints; i++)
325 cairo_line_to(fe->cr, coords[i*2] + 0.5, coords[i*2 + 1] + 0.5);
326 cairo_close_path(fe->cr);
327 if (fillcolour >= 0) {
328 set_colour(fe, fillcolour);
329 cairo_fill_preserve(fe->cr);
331 assert(outlinecolour >= 0);
332 set_colour(fe, outlinecolour);
333 cairo_stroke(fe->cr);
336 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
337 int fillcolour, int outlinecolour)
339 cairo_new_path(fe->cr);
340 cairo_arc(fe->cr, cx + 0.5, cy + 0.5, radius, 0, 2*PI);
341 cairo_close_path(fe->cr); /* Just in case... */
342 if (fillcolour >= 0) {
343 set_colour(fe, fillcolour);
344 cairo_fill_preserve(fe->cr);
346 assert(outlinecolour >= 0);
347 set_colour(fe, outlinecolour);
348 cairo_stroke(fe->cr);
351 static void setup_blitter(blitter *bl, int w, int h)
353 bl->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24, w, h);
356 static void teardown_blitter(blitter *bl)
358 cairo_surface_destroy(bl->image);
361 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
363 cairo_t *cr = cairo_create(bl->image);
365 cairo_set_source_surface(cr, fe->image, -x, -y);
370 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
372 cairo_set_source_surface(fe->cr, bl->image, x, y);
376 static void clear_backing_store(frontend *fe)
381 static void setup_backing_store(frontend *fe)
386 fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1);
387 fe->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
390 for (i = 0; i < 3; i++) {
392 case 0: cr = cairo_create(fe->image); break;
393 case 1: cr = gdk_cairo_create(fe->pixmap); break;
394 case 2: cr = gdk_cairo_create(fe->area->window); break;
396 cairo_set_source_rgb(cr,
397 fe->colours[0], fe->colours[1], fe->colours[2]);
403 static int backing_store_ok(frontend *fe)
405 return (!!fe->image);
408 static void teardown_backing_store(frontend *fe)
410 cairo_surface_destroy(fe->image);
411 gdk_pixmap_unref(fe->pixmap);
417 /* ----------------------------------------------------------------------
418 * GDK drawing functions.
423 static void setup_drawing(frontend *fe)
425 fe->gc = gdk_gc_new(fe->area->window);
428 static void teardown_drawing(frontend *fe)
430 gdk_gc_unref(fe->gc);
434 static void snaffle_colours(frontend *fe)
440 fe->colmap = gdk_colormap_get_system();
441 colours = midend_colours(fe->me, &ncolours);
442 fe->ncolours = ncolours;
443 fe->colours = snewn(ncolours, GdkColor);
444 for (i = 0; i < ncolours; i++) {
445 fe->colours[i].red = colours[i*3] * 0xFFFF;
446 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
447 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
449 success = snewn(ncolours, gboolean);
450 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
451 FALSE, FALSE, success);
452 for (i = 0; i < ncolours; i++) {
454 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
455 i, fe->colours[i].red >> 8,
456 fe->colours[i].green >> 8,
457 fe->colours[i].blue >> 8);
462 static void set_window_background(frontend *fe, int colour)
464 fe->backgroundindex = colour;
465 gdk_window_set_background(fe->area->window, &fe->colours[colour]);
466 gdk_window_set_background(fe->window->window, &fe->colours[colour]);
469 static void set_colour(frontend *fe, int colour)
471 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
475 static PangoLayout *make_pango_layout(frontend *fe)
477 return (pango_layout_new(gtk_widget_get_pango_context(fe->area)));
480 static void draw_pango_layout(frontend *fe, PangoLayout *layout,
483 gdk_draw_layout(fe->pixmap, fe->gc, x, y, layout);
487 static void save_screenshot_png(frontend *fe, const char *screenshot_file)
490 GError *gerror = NULL;
492 midend_redraw(fe->me);
494 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
495 NULL, 0, 0, 0, 0, -1, -1);
496 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);
499 static void do_clip(frontend *fe, int x, int y, int w, int h)
507 gdk_gc_set_clip_rectangle(fe->gc, &rect);
510 static void do_unclip(frontend *fe)
518 gdk_gc_set_clip_rectangle(fe->gc, &rect);
521 static void do_draw_rect(frontend *fe, int x, int y, int w, int h)
523 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
526 static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2)
528 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
531 static void do_draw_thick_line(frontend *fe, float thickness,
532 float x1, float y1, float x2, float y2)
536 gdk_gc_get_values(fe->gc, &save);
537 gdk_gc_set_line_attributes(fe->gc,
542 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
543 gdk_gc_set_line_attributes(fe->gc,
550 static void do_draw_poly(frontend *fe, int *coords, int npoints,
551 int fillcolour, int outlinecolour)
553 GdkPoint *points = snewn(npoints, GdkPoint);
556 for (i = 0; i < npoints; i++) {
557 points[i].x = coords[i*2];
558 points[i].y = coords[i*2+1];
561 if (fillcolour >= 0) {
562 set_colour(fe, fillcolour);
563 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
565 assert(outlinecolour >= 0);
566 set_colour(fe, outlinecolour);
569 * In principle we ought to be able to use gdk_draw_polygon for
570 * the outline as well. In fact, it turns out to interact badly
571 * with a clipping region, for no terribly obvious reason, so I
572 * draw the outline as a sequence of lines instead.
574 for (i = 0; i < npoints; i++)
575 gdk_draw_line(fe->pixmap, fe->gc,
576 points[i].x, points[i].y,
577 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
582 static void do_draw_circle(frontend *fe, int cx, int cy, int radius,
583 int fillcolour, int outlinecolour)
585 if (fillcolour >= 0) {
586 set_colour(fe, fillcolour);
587 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
588 cx - radius, cy - radius,
589 2 * radius, 2 * radius, 0, 360 * 64);
592 assert(outlinecolour >= 0);
593 set_colour(fe, outlinecolour);
594 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
595 cx - radius, cy - radius,
596 2 * radius, 2 * radius, 0, 360 * 64);
599 static void setup_blitter(blitter *bl, int w, int h)
602 * We can't create the pixmap right now, because fe->window
603 * might not yet exist. So we just cache w and h and create it
604 * during the firs call to blitter_save.
609 static void teardown_blitter(blitter *bl)
612 gdk_pixmap_unref(bl->pixmap);
615 static void do_blitter_save(frontend *fe, blitter *bl, int x, int y)
618 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
619 gdk_draw_pixmap(bl->pixmap,
620 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
622 x, y, 0, 0, bl->w, bl->h);
625 static void do_blitter_load(frontend *fe, blitter *bl, int x, int y)
628 gdk_draw_pixmap(fe->pixmap,
629 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
631 0, 0, x, y, bl->w, bl->h);
634 static void clear_backing_store(frontend *fe)
639 static void setup_backing_store(frontend *fe)
643 fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1);
645 gc = gdk_gc_new(fe->area->window);
646 gdk_gc_set_foreground(gc, &fe->colours[0]);
647 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
648 gdk_draw_rectangle(fe->area->window, gc, 1, 0, 0, fe->w, fe->h);
652 static int backing_store_ok(frontend *fe)
654 return (!!fe->pixmap);
657 static void teardown_backing_store(frontend *fe)
659 gdk_pixmap_unref(fe->pixmap);
665 static void repaint_rectangle(frontend *fe, GtkWidget *widget,
666 int x, int y, int w, int h)
668 GdkGC *gc = gdk_gc_new(widget->window);
670 gdk_gc_set_foreground(gc, &fe->background);
672 gdk_gc_set_foreground(gc, &fe->colours[fe->backgroundindex]);
675 gdk_draw_rectangle(widget->window, gc,
676 TRUE, x, y, fe->ox - x, h);
681 gdk_draw_rectangle(widget->window, gc,
682 TRUE, x, y, w, fe->oy - y);
687 gdk_draw_rectangle(widget->window, gc,
688 TRUE, x + fe->pw, y, w - fe->pw, h);
692 gdk_draw_rectangle(widget->window, gc,
693 TRUE, x, y + fe->ph, w, h - fe->ph);
696 gdk_draw_pixmap(widget->window, gc, fe->pixmap,
697 x - fe->ox, y - fe->oy, x, y, w, h);
701 /* ----------------------------------------------------------------------
702 * Pango font functions.
707 static void add_font(frontend *fe, int index, int fonttype, int fontsize)
710 * Use Pango to find the closest match to the requested
713 PangoFontDescription *fd;
715 fd = pango_font_description_new();
716 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
717 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
718 "Monospace" : "Sans");
719 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
721 * I found some online Pango documentation which
722 * described a function called
723 * pango_font_description_set_absolute_size(), which is
724 * _exactly_ what I want here. Unfortunately, none of
725 * my local Pango installations have it (presumably
726 * they're too old), so I'm going to have to hack round
727 * it by figuring out the point size myself. This
728 * limits me to X and probably also breaks in later
729 * Pango installations, so ideally I should add another
730 * CHECK_VERSION type ifdef and use set_absolute_size
731 * where available. All very annoying.
733 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
734 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
737 Display *d = GDK_DISPLAY();
738 int s = DefaultScreen(d);
740 (PANGO_SCALE * 72.27 / 25.4) *
741 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
742 pango_font_description_set_size(fd, resolution * fontsize);
745 fe->fonts[index].desc = fd;
748 static void align_and_draw_text(frontend *fe,
749 int index, int align, int x, int y,
755 layout = make_pango_layout(fe);
760 pango_layout_set_font_description(layout, fe->fonts[index].desc);
761 pango_layout_set_text(layout, text, strlen(text));
762 pango_layout_get_pixel_extents(layout, NULL, &rect);
764 if (align & ALIGN_VCENTRE)
765 rect.y -= rect.height / 2;
767 rect.y -= rect.height;
769 if (align & ALIGN_HCENTRE)
770 rect.x -= rect.width / 2;
771 else if (align & ALIGN_HRIGHT)
772 rect.x -= rect.width;
774 draw_pango_layout(fe, layout, rect.x + x, rect.y + y);
776 g_object_unref(layout);
781 /* ----------------------------------------------------------------------
782 * Old-fashioned font functions.
787 static void add_font(int index, int fonttype, int fontsize)
790 * In GTK 1.2, I don't know of any plausible way to
791 * pick a suitable font, so I'm just going to be
794 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
795 "fixed" : "variable");
798 static void align_and_draw_text(int index, int align, int x, int y,
801 int lb, rb, wid, asc, desc;
804 * Measure vertical string extents with respect to the same
807 gdk_string_extents(fe->fonts[i].font,
808 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
809 &lb, &rb, &wid, &asc, &desc);
810 if (align & ALIGN_VCENTRE)
811 y += asc - (asc+desc)/2;
816 * ... but horizontal extents with respect to the provided
817 * string. This means that multiple pieces of text centred
818 * on the same y-coordinate don't have different baselines.
820 gdk_string_extents(fe->fonts[i].font, text,
821 &lb, &rb, &wid, &asc, &desc);
823 if (align & ALIGN_HCENTRE)
825 else if (align & ALIGN_HRIGHT)
829 * Actually draw the text.
831 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
836 /* ----------------------------------------------------------------------
837 * The exported drawing functions.
840 void gtk_start_draw(void *handle)
842 frontend *fe = (frontend *)handle;
850 void gtk_clip(void *handle, int x, int y, int w, int h)
852 frontend *fe = (frontend *)handle;
853 do_clip(fe, x, y, w, h);
856 void gtk_unclip(void *handle)
858 frontend *fe = (frontend *)handle;
862 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
863 int align, int colour, char *text)
865 frontend *fe = (frontend *)handle;
869 * Find or create the font.
871 for (i = 0; i < fe->nfonts; i++)
872 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
875 if (i == fe->nfonts) {
876 if (fe->fontsize <= fe->nfonts) {
877 fe->fontsize = fe->nfonts + 10;
878 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
883 fe->fonts[i].type = fonttype;
884 fe->fonts[i].size = fontsize;
885 add_font(fe, i, fonttype, fontsize);
891 set_colour(fe, colour);
892 align_and_draw_text(fe, i, align, x, y, text);
895 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
897 frontend *fe = (frontend *)handle;
898 set_colour(fe, colour);
899 do_draw_rect(fe, x, y, w, h);
902 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
904 frontend *fe = (frontend *)handle;
905 set_colour(fe, colour);
906 do_draw_line(fe, x1, y1, x2, y2);
909 void gtk_draw_thick_line(void *handle, float thickness,
910 float x1, float y1, float x2, float y2, int colour)
912 frontend *fe = (frontend *)handle;
913 set_colour(fe, colour);
914 do_draw_thick_line(fe, thickness, x1, y1, x2, y2);
917 void gtk_draw_poly(void *handle, int *coords, int npoints,
918 int fillcolour, int outlinecolour)
920 frontend *fe = (frontend *)handle;
921 do_draw_poly(fe, coords, npoints, fillcolour, outlinecolour);
924 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
925 int fillcolour, int outlinecolour)
927 frontend *fe = (frontend *)handle;
928 do_draw_circle(fe, cx, cy, radius, fillcolour, outlinecolour);
931 blitter *gtk_blitter_new(void *handle, int w, int h)
933 blitter *bl = snew(blitter);
934 setup_blitter(bl, w, h);
940 void gtk_blitter_free(void *handle, blitter *bl)
942 teardown_blitter(bl);
946 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
948 frontend *fe = (frontend *)handle;
949 do_blitter_save(fe, bl, x, y);
954 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
956 frontend *fe = (frontend *)handle;
957 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
961 do_blitter_load(fe, bl, x, y);
964 void gtk_draw_update(void *handle, int x, int y, int w, int h)
966 frontend *fe = (frontend *)handle;
967 if (fe->bbox_l > x ) fe->bbox_l = x ;
968 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
969 if (fe->bbox_u > y ) fe->bbox_u = y ;
970 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
973 void gtk_end_draw(void *handle)
975 frontend *fe = (frontend *)handle;
977 teardown_drawing(fe);
979 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
980 repaint_rectangle(fe, fe->area,
981 fe->bbox_l - 1 + fe->ox,
982 fe->bbox_u - 1 + fe->oy,
983 fe->bbox_r - fe->bbox_l + 2,
984 fe->bbox_d - fe->bbox_u + 2);
989 char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings)
992 * We assume Pango can cope with any UTF-8 likely to be emitted
995 return dupstr(strings[0]);
999 const struct drawing_api gtk_drawing = {
1015 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
1016 NULL, NULL, /* line_width, line_dotted */
1022 #ifdef NO_THICK_LINE
1025 gtk_draw_thick_line,
1029 static void destroy(GtkWidget *widget, gpointer data)
1031 frontend *fe = (frontend *)data;
1032 deactivate_timer(fe);
1033 midend_free(fe->me);
1037 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
1039 frontend *fe = (frontend *)data;
1041 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
1042 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
1044 if (!backing_store_ok(fe))
1047 #if !GTK_CHECK_VERSION(2,0,0)
1048 /* Gtk 1.2 passes a key event to this function even if it's also
1049 * defined as an accelerator.
1050 * Gtk 2 doesn't do this, and this function appears not to exist there. */
1051 if (fe->accelgroup &&
1052 gtk_accel_group_get_entry(fe->accelgroup,
1053 event->keyval, event->state))
1057 /* Handle mnemonics. */
1058 if (gtk_window_activate_key(GTK_WINDOW(fe->window), event))
1061 if (event->keyval == GDK_Up)
1062 keyval = shift | ctrl | CURSOR_UP;
1063 else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
1064 keyval = MOD_NUM_KEYPAD | '8';
1065 else if (event->keyval == GDK_Down)
1066 keyval = shift | ctrl | CURSOR_DOWN;
1067 else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
1068 keyval = MOD_NUM_KEYPAD | '2';
1069 else if (event->keyval == GDK_Left)
1070 keyval = shift | ctrl | CURSOR_LEFT;
1071 else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
1072 keyval = MOD_NUM_KEYPAD | '4';
1073 else if (event->keyval == GDK_Right)
1074 keyval = shift | ctrl | CURSOR_RIGHT;
1075 else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
1076 keyval = MOD_NUM_KEYPAD | '6';
1077 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
1078 keyval = MOD_NUM_KEYPAD | '7';
1079 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
1080 keyval = MOD_NUM_KEYPAD | '1';
1081 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
1082 keyval = MOD_NUM_KEYPAD | '9';
1083 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
1084 keyval = MOD_NUM_KEYPAD | '3';
1085 else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
1086 keyval = MOD_NUM_KEYPAD | '0';
1087 else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
1088 keyval = MOD_NUM_KEYPAD | '5';
1089 else if (event->keyval == GDK_BackSpace ||
1090 event->keyval == GDK_Delete ||
1091 event->keyval == GDK_KP_Delete)
1093 else if (event->string[0] && !event->string[1])
1094 keyval = (unsigned char)event->string[0];
1099 !midend_process_key(fe->me, 0, 0, keyval))
1100 gtk_widget_destroy(fe->window);
1105 static gint button_event(GtkWidget *widget, GdkEventButton *event,
1108 frontend *fe = (frontend *)data;
1111 if (!backing_store_ok(fe))
1114 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
1117 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
1118 button = MIDDLE_BUTTON;
1119 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
1120 button = RIGHT_BUTTON;
1121 else if (event->button == 1)
1122 button = LEFT_BUTTON;
1124 return FALSE; /* don't even know what button! */
1126 if (event->type == GDK_BUTTON_RELEASE)
1127 button += LEFT_RELEASE - LEFT_BUTTON;
1129 if (!midend_process_key(fe->me, event->x - fe->ox,
1130 event->y - fe->oy, button))
1131 gtk_widget_destroy(fe->window);
1136 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
1139 frontend *fe = (frontend *)data;
1142 if (!backing_store_ok(fe))
1145 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
1146 button = MIDDLE_DRAG;
1147 else if (event->state & GDK_BUTTON1_MASK)
1149 else if (event->state & GDK_BUTTON3_MASK)
1150 button = RIGHT_DRAG;
1152 return FALSE; /* don't even know what button! */
1154 if (!midend_process_key(fe->me, event->x - fe->ox,
1155 event->y - fe->oy, button))
1156 gtk_widget_destroy(fe->window);
1157 #if GTK_CHECK_VERSION(2,12,0)
1158 gdk_event_request_motions(event);
1160 gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
1166 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
1169 frontend *fe = (frontend *)data;
1171 if (backing_store_ok(fe)) {
1172 repaint_rectangle(fe, widget,
1173 event->area.x, event->area.y,
1174 event->area.width, event->area.height);
1179 static gint map_window(GtkWidget *widget, GdkEvent *event,
1182 frontend *fe = (frontend *)data;
1185 * Apparently we need to do this because otherwise the status
1186 * bar will fail to update immediately. Annoying, but there we
1189 gtk_widget_queue_draw(fe->window);
1194 static gint configure_area(GtkWidget *widget,
1195 GdkEventConfigure *event, gpointer data)
1197 frontend *fe = (frontend *)data;
1200 if (backing_store_ok(fe))
1201 teardown_backing_store(fe);
1203 x = fe->w = event->width;
1204 y = fe->h = event->height;
1205 midend_size(fe->me, &x, &y, TRUE);
1208 fe->ox = (fe->w - fe->pw) / 2;
1209 fe->oy = (fe->h - fe->ph) / 2;
1211 setup_backing_store(fe);
1212 midend_force_redraw(fe->me);
1217 static gint timer_func(gpointer data)
1219 frontend *fe = (frontend *)data;
1221 if (fe->timer_active) {
1224 gettimeofday(&now, NULL);
1225 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
1226 (now.tv_sec - fe->last_time.tv_sec));
1227 midend_timer(fe->me, elapsed); /* may clear timer_active */
1228 fe->last_time = now;
1231 return fe->timer_active;
1234 void deactivate_timer(frontend *fe)
1237 return; /* can happen due to --generate */
1238 if (fe->timer_active)
1239 gtk_timeout_remove(fe->timer_id);
1240 fe->timer_active = FALSE;
1243 void activate_timer(frontend *fe)
1246 return; /* can happen due to --generate */
1247 if (!fe->timer_active) {
1248 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
1249 gettimeofday(&fe->last_time, NULL);
1251 fe->timer_active = TRUE;
1254 static void window_destroy(GtkWidget *widget, gpointer data)
1259 static void msgbox_button_clicked(GtkButton *button, gpointer data)
1261 GtkWidget *window = GTK_WIDGET(data);
1264 ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data");
1265 v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data"));
1268 gtk_widget_destroy(GTK_WIDGET(data));
1271 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
1273 GtkObject *cancelbutton = GTK_OBJECT(data);
1276 * `Escape' effectively clicks the cancel button
1278 if (event->keyval == GDK_Escape) {
1279 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
1286 enum { MB_OK, MB_YESNO };
1288 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
1291 GtkWidget *window, *hbox, *text, *button;
1295 window = gtk_dialog_new();
1296 text = gtk_label_new(msg);
1297 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
1298 hbox = gtk_hbox_new(FALSE, 0);
1299 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
1300 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
1301 hbox, FALSE, FALSE, 20);
1302 gtk_widget_show(text);
1303 gtk_widget_show(hbox);
1304 gtk_window_set_title(GTK_WINDOW(window), title);
1305 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
1307 if (type == MB_OK) {
1308 titles = GTK_STOCK_OK "\0";
1311 assert(type == MB_YESNO);
1312 titles = GTK_STOCK_NO "\0" GTK_STOCK_YES "\0";
1319 button = gtk_button_new_from_stock(titles);
1320 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
1321 button, FALSE, FALSE, 0);
1322 gtk_widget_show(button);
1324 GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
1325 gtk_window_set_default(GTK_WINDOW(window), button);
1328 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
1329 GTK_SIGNAL_FUNC(win_key_press), button);
1331 gtk_signal_connect(GTK_OBJECT(button), "clicked",
1332 GTK_SIGNAL_FUNC(msgbox_button_clicked), window);
1333 gtk_object_set_data(GTK_OBJECT(button), "user-data",
1334 GINT_TO_POINTER(i));
1335 titles += strlen(titles)+1;
1338 gtk_object_set_data(GTK_OBJECT(window), "user-data",
1339 GINT_TO_POINTER(&i));
1340 gtk_signal_connect(GTK_OBJECT(window), "destroy",
1341 GTK_SIGNAL_FUNC(window_destroy), NULL);
1342 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
1343 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
1344 /* set_transient_window_pos(parent, window); */
1345 gtk_widget_show(window);
1348 return (type == MB_YESNO ? i == 1 : TRUE);
1351 void error_box(GtkWidget *parent, char *msg)
1353 message_box(parent, "Error", msg, FALSE, MB_OK);
1356 static void config_ok_button_clicked(GtkButton *button, gpointer data)
1358 frontend *fe = (frontend *)data;
1361 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
1364 error_box(fe->cfgbox, err);
1367 gtk_widget_destroy(fe->cfgbox);
1372 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
1374 frontend *fe = (frontend *)data;
1376 gtk_widget_destroy(fe->cfgbox);
1379 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
1382 * GtkEntry has a nasty habit of eating the Return key, which
1383 * is unhelpful since it doesn't actually _do_ anything with it
1384 * (it calls gtk_widget_activate, but our edit boxes never need
1385 * activating). So I catch Return before GtkEntry sees it, and
1386 * pass it straight on to the parent widget. Effect: hitting
1387 * Return in an edit box will now activate the default button
1388 * in the dialog just like it will everywhere else.
1390 if (event->keyval == GDK_Return && widget->parent != NULL) {
1392 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
1393 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
1394 event, &return_val);
1400 static void editbox_changed(GtkEditable *ed, gpointer data)
1402 config_item *i = (config_item *)data;
1405 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
1408 static void button_toggled(GtkToggleButton *tb, gpointer data)
1410 config_item *i = (config_item *)data;
1412 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
1415 static void droplist_sel(GtkMenuItem *item, gpointer data)
1417 config_item *i = (config_item *)data;
1419 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
1423 static int get_config(frontend *fe, int which)
1425 GtkWidget *w, *table, *cancel;
1430 fe->cfg = midend_get_config(fe->me, which, &title);
1431 fe->cfg_which = which;
1434 fe->cfgbox = gtk_dialog_new();
1435 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
1438 w = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
1439 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
1440 w, FALSE, FALSE, 0);
1442 gtk_signal_connect(GTK_OBJECT(w), "clicked",
1443 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
1446 w = gtk_button_new_from_stock(GTK_STOCK_OK);
1447 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
1448 w, FALSE, FALSE, 0);
1450 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
1451 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
1452 gtk_signal_connect(GTK_OBJECT(w), "clicked",
1453 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
1455 table = gtk_table_new(1, 2, FALSE);
1457 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
1458 table, FALSE, FALSE, 0);
1459 gtk_widget_show(table);
1461 for (i = fe->cfg; i->type != C_END; i++) {
1462 gtk_table_resize(GTK_TABLE(table), y+1, 2);
1467 * Edit box with a label beside it.
1470 w = gtk_label_new(i->name);
1471 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
1472 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1473 GTK_SHRINK | GTK_FILL,
1474 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1478 w = gtk_entry_new();
1479 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1480 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1481 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1483 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
1484 gtk_signal_connect(GTK_OBJECT(w), "changed",
1485 GTK_SIGNAL_FUNC(editbox_changed), i);
1486 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
1487 GTK_SIGNAL_FUNC(editbox_key), NULL);
1496 w = gtk_check_button_new_with_label(i->name);
1497 gtk_signal_connect(GTK_OBJECT(w), "toggled",
1498 GTK_SIGNAL_FUNC(button_toggled), i);
1499 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
1500 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1501 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1503 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
1509 * Drop-down list (GtkOptionMenu).
1512 w = gtk_label_new(i->name);
1513 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
1514 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1515 GTK_SHRINK | GTK_FILL,
1516 GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
1520 w = gtk_option_menu_new();
1521 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1522 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1523 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1530 GtkWidget *menuitem;
1531 GtkWidget *menu = gtk_menu_new();
1533 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
1541 while (*q && *q != c)
1544 name = snewn(q-p+1, char);
1545 strncpy(name, p, q-p);
1548 if (*q) q++; /* eat delimiter */
1550 menuitem = gtk_menu_item_new_with_label(name);
1551 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1552 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1553 GINT_TO_POINTER(val));
1554 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1555 GTK_SIGNAL_FUNC(droplist_sel), i);
1556 gtk_widget_show(menuitem);
1563 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
1572 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
1573 GTK_SIGNAL_FUNC(window_destroy), NULL);
1574 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
1575 GTK_SIGNAL_FUNC(win_key_press), cancel);
1576 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1577 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1578 GTK_WINDOW(fe->window));
1579 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1580 gtk_widget_show(fe->cfgbox);
1588 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1590 frontend *fe = (frontend *)data;
1591 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1593 if (!midend_process_key(fe->me, 0, 0, key))
1594 gtk_widget_destroy(fe->window);
1597 static void get_size(frontend *fe, int *px, int *py)
1602 * Currently I don't want to make the GTK port scale large
1603 * puzzles to fit on the screen. This is because X does permit
1604 * extremely large windows and many window managers provide a
1605 * means of navigating round them, and the users I consulted
1606 * before deciding said that they'd rather have enormous puzzle
1607 * windows spanning multiple screen pages than have them
1608 * shrunk. I could change my mind later or introduce
1609 * configurability; this would be the place to do so, by
1610 * replacing the initial values of x and y with the screen
1615 midend_size(fe->me, &x, &y, FALSE);
1620 #if !GTK_CHECK_VERSION(2,0,0)
1621 #define gtk_window_resize(win, x, y) \
1622 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1626 * Called when any other code in this file has changed the
1627 * selected game parameters.
1629 static void changed_preset(frontend *fe)
1631 int n = midend_which_preset(fe->me);
1633 fe->preset_threaded = TRUE;
1634 if (n < 0 && fe->preset_custom) {
1635 gtk_check_menu_item_set_active(
1636 GTK_CHECK_MENU_ITEM(fe->preset_custom),
1639 GSList *gs = fe->preset_radio;
1640 int i = fe->n_preset_menu_items - 1 - n;
1641 if (fe->preset_custom)
1648 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1650 } else for (gs = fe->preset_radio; gs; gs = gs->next) {
1651 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1655 fe->preset_threaded = FALSE;
1658 * Update the greying on the Copy menu option.
1660 if (fe->copy_menu_item) {
1661 int enabled = midend_can_format_as_text_now(fe->me);
1662 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1666 static gboolean not_size_allocated_yet(GtkWidget *w)
1669 * This function tests whether a widget has not yet taken up space
1670 * on the screen which it will occupy in future. (Therefore, it
1671 * returns true only if the widget does exist but does not have a
1672 * size allocation. A null widget is already taking up all the
1673 * space it ever will.)
1678 return FALSE; /* nonexistent widgets aren't a problem */
1680 gtk_widget_get_allocation(w, &a);
1681 return a.height == 0 || a.width == 0;
1684 static void try_shrink_drawing_area(frontend *fe)
1686 if (fe->drawing_area_shrink_pending &&
1687 !not_size_allocated_yet(fe->menubar) &&
1688 !not_size_allocated_yet(fe->statusbar)) {
1690 * In order to permit the user to resize the window smaller as
1691 * well as bigger, we call this function after the window size
1692 * has ended up where we want it. This shouldn't shrink the
1693 * window immediately; it just arranges that the next time the
1694 * user tries to shrink it, they can.
1696 * However, at puzzle creation time, we defer the first of
1697 * these operations until after the menu bar and status bar
1698 * are actually visible. On Ubuntu 12.04 I've found that these
1699 * can take a while to be displayed, and that it's a mistake
1700 * to reduce the drawing area's size allocation before they've
1701 * turned up or else the drawing area makes room for them by
1702 * shrinking to less than the size we intended.
1704 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1705 fe->drawing_area_shrink_pending = FALSE;
1709 static gint configure_window(GtkWidget *widget,
1710 GdkEventConfigure *event, gpointer data)
1712 frontend *fe = (frontend *)data;
1714 * When the main puzzle window changes size, it might be because
1715 * the menu bar or status bar has turned up after starting off
1716 * absent, in which case we should have another go at enacting a
1717 * pending shrink of the drawing area.
1719 try_shrink_drawing_area(fe);
1723 static void resize_fe(frontend *fe)
1727 get_size(fe, &x, &y);
1730 fe->drawing_area_shrink_pending = FALSE;
1731 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1734 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1735 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1737 fe->drawing_area_shrink_pending = TRUE;
1738 try_shrink_drawing_area(fe);
1741 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1743 frontend *fe = (frontend *)data;
1744 game_params *params =
1745 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
1747 if (fe->preset_threaded ||
1748 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
1749 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
1751 midend_set_params(fe->me, params);
1752 midend_new_game(fe->me);
1757 GdkAtom compound_text_atom, utf8_string_atom;
1758 int paste_initialised = FALSE;
1760 static void set_selection(frontend *fe, GdkAtom selection)
1762 if (!paste_initialised) {
1763 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1764 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1765 paste_initialised = TRUE;
1769 * For this simple application we can safely assume that the
1770 * data passed to this function is pure ASCII, which means we
1771 * can return precisely the same stuff for types STRING,
1772 * COMPOUND_TEXT or UTF8_STRING.
1775 if (gtk_selection_owner_set(fe->area, selection, CurrentTime)) {
1776 gtk_selection_clear_targets(fe->area, selection);
1777 gtk_selection_add_target(fe->area, selection,
1778 GDK_SELECTION_TYPE_STRING, 1);
1779 gtk_selection_add_target(fe->area, selection, compound_text_atom, 1);
1780 gtk_selection_add_target(fe->area, selection, utf8_string_atom, 1);
1784 void write_clip(frontend *fe, char *data)
1787 sfree(fe->paste_data);
1789 fe->paste_data = data;
1790 fe->paste_data_len = strlen(data);
1792 set_selection(fe, GDK_SELECTION_PRIMARY);
1793 set_selection(fe, GDK_SELECTION_CLIPBOARD);
1796 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1797 guint info, guint time_stamp, gpointer data)
1799 frontend *fe = (frontend *)data;
1800 gtk_selection_data_set(seldata, seldata->target, 8,
1801 fe->paste_data, fe->paste_data_len);
1804 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1807 frontend *fe = (frontend *)data;
1810 sfree(fe->paste_data);
1811 fe->paste_data = NULL;
1812 fe->paste_data_len = 0;
1816 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1818 frontend *fe = (frontend *)data;
1821 text = midend_text_format(fe->me);
1824 write_clip(fe, text);
1832 static void filesel_ok(GtkButton *button, gpointer data)
1834 frontend *fe = (frontend *)data;
1836 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1839 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1841 fe->filesel_name = dupstr(name);
1844 static char *file_selector(frontend *fe, char *title, int save)
1846 GtkWidget *filesel =
1847 gtk_file_selection_new(title);
1849 fe->filesel_name = NULL;
1851 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1853 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1856 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1857 GTK_SIGNAL_FUNC(filesel_ok), fe);
1858 gtk_signal_connect_object
1859 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1860 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1861 gtk_signal_connect_object
1862 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1863 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1864 gtk_signal_connect(GTK_OBJECT(filesel), "destroy",
1865 GTK_SIGNAL_FUNC(window_destroy), NULL);
1866 gtk_widget_show(filesel);
1867 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
1870 return fe->filesel_name;
1875 static char *file_selector(frontend *fe, char *title, int save)
1877 char *filesel_name = NULL;
1879 GtkWidget *filesel =
1880 gtk_file_chooser_dialog_new(title,
1881 GTK_WINDOW(fe->window),
1882 save ? GTK_FILE_CHOOSER_ACTION_SAVE :
1883 GTK_FILE_CHOOSER_ACTION_OPEN,
1884 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1885 save ? GTK_STOCK_SAVE : GTK_STOCK_OPEN,
1886 GTK_RESPONSE_ACCEPT,
1889 if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
1890 const char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
1891 filesel_name = dupstr(name);
1894 gtk_widget_destroy(filesel);
1896 return filesel_name;
1901 struct savefile_write_ctx {
1906 static void savefile_write(void *wctx, void *buf, int len)
1908 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
1909 if (fwrite(buf, 1, len, ctx->fp) < len)
1913 static int savefile_read(void *wctx, void *buf, int len)
1915 FILE *fp = (FILE *)wctx;
1918 ret = fread(buf, 1, len, fp);
1919 return (ret == len);
1922 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
1924 frontend *fe = (frontend *)data;
1927 name = file_selector(fe, "Enter name of game file to save", TRUE);
1932 if ((fp = fopen(name, "r")) != NULL) {
1933 char buf[256 + FILENAME_MAX];
1937 sprintf(buf, "Are you sure you want to overwrite the"
1939 FILENAME_MAX, name);
1940 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
1944 fp = fopen(name, "w");
1948 error_box(fe->window, "Unable to open save file");
1953 struct savefile_write_ctx ctx;
1956 midend_serialise(fe->me, savefile_write, &ctx);
1960 sprintf(boxmsg, "Error writing save file: %.400s",
1962 error_box(fe->window, boxmsg);
1970 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
1972 frontend *fe = (frontend *)data;
1975 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
1978 FILE *fp = fopen(name, "r");
1982 error_box(fe->window, "Unable to open saved game file");
1986 err = midend_deserialise(fe->me, savefile_read, fp);
1991 error_box(fe->window, err);
2000 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
2002 frontend *fe = (frontend *)data;
2005 msg = midend_solve(fe->me);
2008 error_box(fe->window, msg);
2011 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
2013 frontend *fe = (frontend *)data;
2015 midend_restart_game(fe->me);
2018 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
2020 frontend *fe = (frontend *)data;
2021 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
2024 if (fe->preset_threaded ||
2025 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
2026 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
2028 changed_preset(fe); /* Put the old preset back! */
2029 if (!get_config(fe, which))
2032 midend_new_game(fe->me);
2036 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
2038 frontend *fe = (frontend *)data;
2042 sprintf(titlebuf, "About %.200s", thegame.name);
2045 "from Simon Tatham's Portable Puzzle Collection\n\n"
2046 "%.500s", thegame.name, ver);
2048 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
2051 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
2052 char *text, int key)
2054 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
2056 gtk_container_add(cont, menuitem);
2057 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2058 GINT_TO_POINTER(key));
2059 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2060 GTK_SIGNAL_FUNC(menu_key_event), fe);
2061 switch (key & ~0x1F) {
2064 keyqual = GDK_CONTROL_MASK;
2068 keyqual = GDK_SHIFT_MASK;
2074 gtk_widget_add_accelerator(menuitem,
2075 "activate", fe->accelgroup,
2078 gtk_widget_show(menuitem);
2082 static void add_menu_separator(GtkContainer *cont)
2084 GtkWidget *menuitem = gtk_menu_item_new();
2085 gtk_container_add(cont, menuitem);
2086 gtk_widget_show(menuitem);
2089 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
2091 static frontend *new_window(char *arg, int argtype, char **error)
2094 GtkBox *vbox, *hbox;
2095 GtkWidget *menu, *menuitem;
2100 extern char *const *const xpm_icons[];
2101 extern const int n_xpm_icons;
2103 fe = snew(frontend);
2105 fe->timer_active = FALSE;
2108 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
2118 err = midend_game_id(fe->me, arg);
2120 midend_new_game(fe->me);
2122 sprintf(errbuf, "Invalid game ID: %.800s", err);
2125 fp = fopen(arg, "r");
2127 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
2129 err = midend_deserialise(fe->me, savefile_read, fp);
2131 sprintf(errbuf, "Invalid save file: %.800s", err);
2135 default /*case ARG_EITHER*/:
2137 * First try treating the argument as a game ID.
2139 err = midend_game_id(fe->me, arg);
2142 * It's a valid game ID.
2144 midend_new_game(fe->me);
2146 FILE *fp = fopen(arg, "r");
2148 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
2149 " nor a save file (%.400s)", err, strerror(errno));
2151 err = midend_deserialise(fe->me, savefile_read, fp);
2153 sprintf(errbuf, "%.800s", err);
2160 *error = dupstr(errbuf);
2161 midend_free(fe->me);
2167 midend_new_game(fe->me);
2170 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2171 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
2173 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
2174 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
2175 gtk_widget_show(GTK_WIDGET(vbox));
2177 fe->accelgroup = gtk_accel_group_new();
2178 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
2180 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2181 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2182 gtk_widget_show(GTK_WIDGET(hbox));
2184 fe->menubar = gtk_menu_bar_new();
2185 gtk_box_pack_start(hbox, fe->menubar, TRUE, TRUE, 0);
2186 gtk_widget_show(fe->menubar);
2188 menuitem = gtk_menu_item_new_with_mnemonic("_Game");
2189 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2190 gtk_widget_show(menuitem);
2192 menu = gtk_menu_new();
2193 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2195 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
2197 menuitem = gtk_menu_item_new_with_label("Restart");
2198 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2199 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2200 GTK_SIGNAL_FUNC(menu_restart_event), fe);
2201 gtk_widget_show(menuitem);
2203 menuitem = gtk_menu_item_new_with_label("Specific...");
2204 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2205 GINT_TO_POINTER(CFG_DESC));
2206 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2207 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2208 GTK_SIGNAL_FUNC(menu_config_event), fe);
2209 gtk_widget_show(menuitem);
2211 menuitem = gtk_menu_item_new_with_label("Random Seed...");
2212 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2213 GINT_TO_POINTER(CFG_SEED));
2214 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2215 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2216 GTK_SIGNAL_FUNC(menu_config_event), fe);
2217 gtk_widget_show(menuitem);
2219 fe->preset_radio = NULL;
2220 fe->preset_custom = NULL;
2221 fe->n_preset_menu_items = 0;
2222 fe->preset_threaded = FALSE;
2223 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
2227 menuitem = gtk_menu_item_new_with_mnemonic("_Type");
2228 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2229 gtk_widget_show(menuitem);
2231 submenu = gtk_menu_new();
2232 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
2234 for (i = 0; i < n; i++) {
2236 game_params *params;
2238 midend_fetch_preset(fe->me, i, &name, ¶ms);
2241 gtk_radio_menu_item_new_with_label(fe->preset_radio, name);
2243 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem));
2244 fe->n_preset_menu_items++;
2245 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2246 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
2247 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2248 GTK_SIGNAL_FUNC(menu_preset_event), fe);
2249 gtk_widget_show(menuitem);
2252 if (thegame.can_configure) {
2253 menuitem = fe->preset_custom =
2254 gtk_radio_menu_item_new_with_label(fe->preset_radio,
2257 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem));
2258 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
2259 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2260 GPOINTER_TO_INT(CFG_SETTINGS));
2261 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2262 GTK_SIGNAL_FUNC(menu_config_event), fe);
2263 gtk_widget_show(menuitem);
2268 add_menu_separator(GTK_CONTAINER(menu));
2269 menuitem = gtk_menu_item_new_with_label("Load...");
2270 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2271 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2272 GTK_SIGNAL_FUNC(menu_load_event), fe);
2273 gtk_widget_show(menuitem);
2274 menuitem = gtk_menu_item_new_with_label("Save...");
2275 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2276 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2277 GTK_SIGNAL_FUNC(menu_save_event), fe);
2278 gtk_widget_show(menuitem);
2279 #ifndef STYLUS_BASED
2280 add_menu_separator(GTK_CONTAINER(menu));
2281 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
2282 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
2284 if (thegame.can_format_as_text_ever) {
2285 add_menu_separator(GTK_CONTAINER(menu));
2286 menuitem = gtk_menu_item_new_with_label("Copy");
2287 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2288 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2289 GTK_SIGNAL_FUNC(menu_copy_event), fe);
2290 gtk_widget_show(menuitem);
2291 fe->copy_menu_item = menuitem;
2293 fe->copy_menu_item = NULL;
2295 if (thegame.can_solve) {
2296 add_menu_separator(GTK_CONTAINER(menu));
2297 menuitem = gtk_menu_item_new_with_label("Solve");
2298 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2299 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2300 GTK_SIGNAL_FUNC(menu_solve_event), fe);
2301 gtk_widget_show(menuitem);
2303 add_menu_separator(GTK_CONTAINER(menu));
2304 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
2306 menuitem = gtk_menu_item_new_with_mnemonic("_Help");
2307 gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem);
2308 gtk_widget_show(menuitem);
2310 menu = gtk_menu_new();
2311 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
2313 menuitem = gtk_menu_item_new_with_label("About");
2314 gtk_container_add(GTK_CONTAINER(menu), menuitem);
2315 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
2316 GTK_SIGNAL_FUNC(menu_about_event), fe);
2317 gtk_widget_show(menuitem);
2320 menuitem=gtk_button_new_with_mnemonic("_Redo");
2321 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2322 GINT_TO_POINTER((int)('r')));
2323 gtk_signal_connect(GTK_OBJECT(menuitem), "clicked",
2324 GTK_SIGNAL_FUNC(menu_key_event), fe);
2325 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2326 gtk_widget_show(menuitem);
2328 menuitem=gtk_button_new_with_mnemonic("_Undo");
2329 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2330 GINT_TO_POINTER((int)('u')));
2331 gtk_signal_connect(GTK_OBJECT(menuitem), "clicked",
2332 GTK_SIGNAL_FUNC(menu_key_event), fe);
2333 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
2334 gtk_widget_show(menuitem);
2336 if (thegame.flags & REQUIRE_NUMPAD) {
2337 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
2338 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
2339 gtk_widget_show(GTK_WIDGET(hbox));
2343 for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
2344 menuitem=gtk_button_new_with_label(errbuf);
2345 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
2346 GINT_TO_POINTER((int)(errbuf[0])));
2347 gtk_signal_connect(GTK_OBJECT(menuitem), "clicked",
2348 GTK_SIGNAL_FUNC(menu_key_event), fe);
2349 gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0);
2350 gtk_widget_show(menuitem);
2353 #endif /* STYLUS_BASED */
2357 snaffle_colours(fe);
2359 if (midend_wants_statusbar(fe->me)) {
2360 GtkWidget *viewport;
2363 viewport = gtk_viewport_new(NULL, NULL);
2364 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
2365 fe->statusbar = gtk_statusbar_new();
2366 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
2367 gtk_widget_show(viewport);
2368 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
2369 gtk_widget_show(fe->statusbar);
2370 fe->statusctx = gtk_statusbar_get_context_id
2371 (GTK_STATUSBAR(fe->statusbar), "game");
2372 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
2374 gtk_widget_size_request(fe->statusbar, &req);
2376 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
2378 gtk_widget_set_usize(viewport, -1, req.height);
2380 fe->statusbar = NULL;
2382 fe->area = gtk_drawing_area_new();
2383 #if GTK_CHECK_VERSION(2,0,0)
2384 GTK_WIDGET_UNSET_FLAGS(fe->area, GTK_DOUBLE_BUFFERED);
2386 get_size(fe, &x, &y);
2387 fe->drawing_area_shrink_pending = FALSE;
2388 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
2392 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
2394 clear_backing_store(fe);
2396 fe->nfonts = fe->fontsize = 0;
2398 fe->paste_data = NULL;
2399 fe->paste_data_len = 0;
2401 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
2402 GTK_SIGNAL_FUNC(destroy), fe);
2403 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
2404 GTK_SIGNAL_FUNC(key_event), fe);
2405 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
2406 GTK_SIGNAL_FUNC(button_event), fe);
2407 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
2408 GTK_SIGNAL_FUNC(button_event), fe);
2409 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
2410 GTK_SIGNAL_FUNC(motion_event), fe);
2411 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
2412 GTK_SIGNAL_FUNC(selection_get), fe);
2413 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
2414 GTK_SIGNAL_FUNC(selection_clear), fe);
2415 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
2416 GTK_SIGNAL_FUNC(expose_area), fe);
2417 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
2418 GTK_SIGNAL_FUNC(map_window), fe);
2419 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
2420 GTK_SIGNAL_FUNC(configure_area), fe);
2421 gtk_signal_connect(GTK_OBJECT(fe->window), "configure_event",
2422 GTK_SIGNAL_FUNC(configure_window), fe);
2424 gtk_widget_add_events(GTK_WIDGET(fe->area),
2425 GDK_BUTTON_PRESS_MASK |
2426 GDK_BUTTON_RELEASE_MASK |
2427 GDK_BUTTON_MOTION_MASK |
2428 GDK_POINTER_MOTION_HINT_MASK);
2431 gtk_widget_realize(fe->window);
2432 iconpm = gdk_pixmap_create_from_xpm_d(fe->window->window, NULL,
2433 NULL, (gchar **)xpm_icons[0]);
2434 gdk_window_set_icon(fe->window->window, NULL, iconpm, NULL);
2436 for (n = 0; n < n_xpm_icons; n++) {
2438 g_list_append(iconlist,
2439 gdk_pixbuf_new_from_xpm_data((const gchar **)
2442 gdk_window_set_icon_list(fe->window->window, iconlist);
2445 gtk_widget_show(fe->area);
2446 gtk_widget_show(fe->window);
2448 fe->drawing_area_shrink_pending = TRUE;
2449 try_shrink_drawing_area(fe);
2450 set_window_background(fe, 0);
2455 char *fgetline(FILE *fp)
2457 char *ret = snewn(512, char);
2458 int size = 512, len = 0;
2459 while (fgets(ret + len, size - len, fp)) {
2460 len += strlen(ret + len);
2461 if (ret[len-1] == '\n')
2462 break; /* got a newline, we're done */
2464 ret = sresize(ret, size, char);
2466 if (len == 0) { /* first fgets returned NULL */
2474 int main(int argc, char **argv)
2476 char *pname = argv[0];
2478 int ngenerate = 0, print = FALSE, px = 1, py = 1;
2479 int soln = FALSE, colour = FALSE;
2481 float redo_proportion = 0.0F;
2482 char *savefile = NULL, *savesuffix = NULL;
2484 int argtype = ARG_EITHER;
2485 char *screenshot_file = NULL;
2486 int doing_opts = TRUE;
2492 * Command line parsing in this function is rather fiddly,
2493 * because GTK wants to have a go at argc/argv _first_ - and
2494 * yet we can't let it, because gtk_init() will bomb out if it
2495 * can't open an X display, whereas in fact we want to permit
2496 * our --generate and --print modes to run without an X
2500 * - we parse the command line ourselves, without modifying
2502 * - if we encounter an error which might plausibly be the
2503 * result of a GTK command line (i.e. not detailed errors in
2504 * particular options of ours) we store the error message
2505 * and terminate parsing.
2506 * - if we got enough out of the command line to know it
2507 * specifies a non-X mode of operation, we either display
2508 * the stored error and return failure, or if there is no
2509 * stored error we do the non-X operation and return
2511 * - otherwise, we go straight to gtk_init().
2517 if (doing_opts && !strcmp(p, "--version")) {
2518 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
2521 } else if (doing_opts && !strcmp(p, "--generate")) {
2523 ngenerate = atoi(*++av);
2525 fprintf(stderr, "%s: '--generate' expected a number\n",
2531 } else if (doing_opts && !strcmp(p, "--save")) {
2535 fprintf(stderr, "%s: '--save' expected a filename\n",
2539 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
2540 !strcmp(p, "--savesuffix"))) {
2544 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
2548 } else if (doing_opts && !strcmp(p, "--print")) {
2549 if (!thegame.can_print) {
2550 fprintf(stderr, "%s: this game does not support printing\n",
2557 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
2558 fprintf(stderr, "%s: unable to parse argument '%s' to "
2559 "'--print'\n", pname, dim);
2565 } else if (doing_opts && !strcmp(p, "--scale")) {
2567 scale = atof(*++av);
2569 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2573 } else if (doing_opts && !strcmp(p, "--redo")) {
2575 * This is an internal option which I don't expect
2576 * users to have any particular use for. The effect of
2577 * --redo is that once the game has been loaded and
2578 * initialised, the next move in the redo chain is
2579 * replayed, and the game screen is redrawn part way
2580 * through the making of the move. This is only
2581 * meaningful if there _is_ a next move in the redo
2582 * chain, which means in turn that this option is only
2583 * useful if you're also passing a save file on the
2586 * This option is used by the script which generates
2587 * the puzzle icons and website screenshots, and I
2588 * don't imagine it's useful for anything else.
2589 * (Unless, I suppose, users don't like my screenshots
2590 * and want to generate their own in the same way for
2591 * some repackaged version of the puzzles.)
2594 redo_proportion = atof(*++av);
2596 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
2600 } else if (doing_opts && !strcmp(p, "--screenshot")) {
2602 * Another internal option for the icon building
2603 * script. This causes a screenshot of the central
2604 * drawing area (i.e. not including the menu bar or
2605 * status bar) to be saved to a PNG file once the
2606 * window has been drawn, and then the application
2607 * quits immediately.
2610 screenshot_file = *++av;
2612 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
2616 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
2617 !strcmp(p, "--with-solution") ||
2618 !strcmp(p, "--with-solns") ||
2619 !strcmp(p, "--with-soln") ||
2620 !strcmp(p, "--solutions") ||
2621 !strcmp(p, "--solution") ||
2622 !strcmp(p, "--solns") ||
2623 !strcmp(p, "--soln"))) {
2625 } else if (doing_opts && !strcmp(p, "--colour")) {
2626 if (!thegame.can_print_in_colour) {
2627 fprintf(stderr, "%s: this game does not support colour"
2628 " printing\n", pname);
2632 } else if (doing_opts && !strcmp(p, "--load")) {
2634 } else if (doing_opts && !strcmp(p, "--game")) {
2636 } else if (doing_opts && !strcmp(p, "--")) {
2638 } else if (!doing_opts || p[0] != '-') {
2640 fprintf(stderr, "%s: more than one argument supplied\n",
2646 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
2653 fputs(errbuf, stderr);
2658 * Special standalone mode for generating puzzle IDs on the
2659 * command line. Useful for generating puzzles to be printed
2660 * out and solved offline (for puzzles where that even makes
2661 * sense - Solo, for example, is a lot more pencil-and-paper
2662 * friendly than Twiddle!)
2666 * <puzzle-name> --generate [<n> [<params>]]
2668 * <n>, if present, is the number of puzzle IDs to generate.
2669 * <params>, if present, is the same type of parameter string
2670 * you would pass to the puzzle when running it in GUI mode,
2671 * including optional extras such as the expansion factor in
2672 * Rectangles and the difficulty level in Solo.
2674 * If you specify <params>, you must also specify <n> (although
2675 * you may specify it to be 1). Sorry; that was the
2676 * simplest-to-parse command-line syntax I came up with.
2678 if (ngenerate > 0 || print || savefile || savesuffix) {
2682 document *doc = NULL;
2686 me = midend_new(NULL, &thegame, NULL, NULL);
2689 if (savefile && !savesuffix)
2691 if (!savefile && savesuffix)
2695 doc = document_new(px, py, scale);
2698 * In this loop, we either generate a game ID or read one
2699 * from stdin depending on whether we're in generate mode;
2700 * then we either write it to stdout or print it, depending
2701 * on whether we're in print mode. Thus, this loop handles
2702 * generate-to-stdout, print-from-stdin and generate-and-
2703 * immediately-print modes.
2705 * (It could also handle a copy-stdin-to-stdout mode,
2706 * although there's currently no combination of options
2707 * which will cause this loop to be activated in that mode.
2708 * It wouldn't be _entirely_ pointless, though, because
2709 * stdin could contain bare params strings or random-seed
2710 * IDs, and stdout would contain nothing but fully
2711 * generated descriptive game IDs.)
2713 while (ngenerate == 0 || i < n) {
2716 if (ngenerate == 0) {
2717 pstr = fgetline(stdin);
2720 pstr[strcspn(pstr, "\r\n")] = '\0';
2723 pstr = snewn(strlen(arg) + 40, char);
2726 if (i > 0 && strchr(arg, '#'))
2727 sprintf(pstr + strlen(pstr), "-%d", i);
2733 err = midend_game_id(me, pstr);
2735 fprintf(stderr, "%s: error parsing '%s': %s\n",
2742 midend_new_game(me);
2745 err = midend_print_puzzle(me, doc, soln);
2747 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
2752 struct savefile_write_ctx ctx;
2753 char *realname = snewn(40 + strlen(savefile) +
2754 strlen(savesuffix), char);
2755 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
2758 char *err = midend_solve(me);
2760 fprintf(stderr, "%s: unable to show solution: %s\n",
2766 ctx.fp = fopen(realname, "w");
2768 fprintf(stderr, "%s: open: %s\n", realname,
2773 midend_serialise(me, savefile_write, &ctx);
2775 fprintf(stderr, "%s: write: %s\n", realname,
2776 strerror(ctx.error));
2779 if (fclose(ctx.fp)) {
2780 fprintf(stderr, "%s: close: %s\n", realname,
2786 if (!doc && !savefile) {
2787 id = midend_get_game_id(me);
2796 psdata *ps = ps_init(stdout, colour);
2797 document_print(doc, ps_drawing_api(ps));
2808 gtk_init(&argc, &argv);
2810 fe = new_window(arg, argtype, &error);
2813 fprintf(stderr, "%s: %s\n", pname, error);
2817 if (screenshot_file) {
2819 * Some puzzles will not redraw their entire area if
2820 * given a partially completed animation, which means
2821 * we must redraw now and _then_ redraw again after
2822 * freezing the move timer.
2824 midend_force_redraw(fe->me);
2827 if (redo_proportion) {
2829 midend_process_key(fe->me, 0, 0, 'r');
2830 /* And freeze the timer at the specified position. */
2831 midend_freeze_timer(fe->me, redo_proportion);
2834 if (screenshot_file) {
2835 save_screenshot_png(fe, screenshot_file);