2 * gtk.c: GTK front end for my puzzle collection.
16 #include <gdk/gdkkeysyms.h>
18 #include <gdk-pixbuf/gdk-pixbuf.h>
22 #include <X11/Xutil.h>
23 #include <X11/Xatom.h>
27 #if GTK_CHECK_VERSION(2,0,0)
32 static FILE *debug_fp = NULL;
37 debug_fp = fopen("debug.log", "w");
48 void debug_printf(char *fmt, ...)
54 vsprintf(buf, fmt, ap);
60 /* ----------------------------------------------------------------------
61 * Error reporting functions used elsewhere.
64 void fatal(char *fmt, ...)
68 fprintf(stderr, "fatal error: ");
71 vfprintf(stderr, fmt, ap);
74 fprintf(stderr, "\n");
78 /* ----------------------------------------------------------------------
79 * GTK front end to puzzles.
84 PangoFontDescription *desc;
93 * This structure holds all the data relevant to a single window.
94 * In principle this would allow us to open multiple independent
95 * puzzle windows, although I can't currently see any real point in
96 * doing so. I'm just coding cleanly because there's no
97 * particularly good reason not to.
101 GtkAccelGroup *accelgroup;
103 GtkWidget *statusbar;
112 int bbox_l, bbox_r, bbox_u, bbox_d;
113 int timer_active, timer_id;
114 struct timeval last_time;
116 int nfonts, fontsize;
118 int cfg_which, cfgret;
122 int pw, ph; /* pixmap size (w, h are area size) */
123 int ox, oy; /* offset of pixmap in drawing area */
127 void get_random_seed(void **randseed, int *randseedsize)
129 struct timeval *tvp = snew(struct timeval);
130 gettimeofday(tvp, NULL);
131 *randseed = (void *)tvp;
132 *randseedsize = sizeof(struct timeval);
135 void frontend_default_colour(frontend *fe, float *output)
137 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
138 output[0] = col.red / 65535.0;
139 output[1] = col.green / 65535.0;
140 output[2] = col.blue / 65535.0;
143 void gtk_status_bar(void *handle, char *text)
145 frontend *fe = (frontend *)handle;
147 assert(fe->statusbar);
149 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
150 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
153 void gtk_start_draw(void *handle)
155 frontend *fe = (frontend *)handle;
156 fe->gc = gdk_gc_new(fe->area->window);
163 void gtk_clip(void *handle, int x, int y, int w, int h)
165 frontend *fe = (frontend *)handle;
173 gdk_gc_set_clip_rectangle(fe->gc, &rect);
176 void gtk_unclip(void *handle)
178 frontend *fe = (frontend *)handle;
186 gdk_gc_set_clip_rectangle(fe->gc, &rect);
189 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
190 int align, int colour, char *text)
192 frontend *fe = (frontend *)handle;
196 * Find or create the font.
198 for (i = 0; i < fe->nfonts; i++)
199 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
202 if (i == fe->nfonts) {
203 if (fe->fontsize <= fe->nfonts) {
204 fe->fontsize = fe->nfonts + 10;
205 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
210 fe->fonts[i].type = fonttype;
211 fe->fonts[i].size = fontsize;
215 * Use Pango to find the closest match to the requested
219 PangoFontDescription *fd;
221 fd = pango_font_description_new();
222 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
223 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
224 "Monospace" : "Sans");
225 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
227 * I found some online Pango documentation which
228 * described a function called
229 * pango_font_description_set_absolute_size(), which is
230 * _exactly_ what I want here. Unfortunately, none of
231 * my local Pango installations have it (presumably
232 * they're too old), so I'm going to have to hack round
233 * it by figuring out the point size myself. This
234 * limits me to X and probably also breaks in later
235 * Pango installations, so ideally I should add another
236 * CHECK_VERSION type ifdef and use set_absolute_size
237 * where available. All very annoying.
239 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
240 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
243 Display *d = GDK_DISPLAY();
244 int s = DefaultScreen(d);
246 (PANGO_SCALE * 72.27 / 25.4) *
247 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
248 pango_font_description_set_size(fd, resolution * fontsize);
251 fe->fonts[i].desc = fd;
256 * In GTK 1.2, I don't know of any plausible way to
257 * pick a suitable font, so I'm just going to be
260 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
261 "fixed" : "variable");
269 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
280 layout = pango_layout_new(gtk_widget_get_pango_context(fe->area));
281 pango_layout_set_font_description(layout, fe->fonts[i].desc);
282 pango_layout_set_text(layout, text, strlen(text));
283 pango_layout_get_pixel_extents(layout, NULL, &rect);
285 if (align & ALIGN_VCENTRE)
286 rect.y -= rect.height / 2;
288 rect.y -= rect.height;
290 if (align & ALIGN_HCENTRE)
291 rect.x -= rect.width / 2;
292 else if (align & ALIGN_HRIGHT)
293 rect.x -= rect.width;
295 gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout);
297 g_object_unref(layout);
302 * Find string dimensions and process alignment.
305 int lb, rb, wid, asc, desc;
308 * Measure vertical string extents with respect to the same
311 gdk_string_extents(fe->fonts[i].font,
312 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
313 &lb, &rb, &wid, &asc, &desc);
314 if (align & ALIGN_VCENTRE)
315 y += asc - (asc+desc)/2;
320 * ... but horizontal extents with respect to the provided
321 * string. This means that multiple pieces of text centred
322 * on the same y-coordinate don't have different baselines.
324 gdk_string_extents(fe->fonts[i].font, text,
325 &lb, &rb, &wid, &asc, &desc);
327 if (align & ALIGN_HCENTRE)
329 else if (align & ALIGN_HRIGHT)
335 * Actually draw the text.
337 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
342 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
344 frontend *fe = (frontend *)handle;
345 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
346 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
349 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
351 frontend *fe = (frontend *)handle;
352 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
353 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
356 void gtk_draw_poly(void *handle, int *coords, int npoints,
357 int fillcolour, int outlinecolour)
359 frontend *fe = (frontend *)handle;
360 GdkPoint *points = snewn(npoints, GdkPoint);
363 for (i = 0; i < npoints; i++) {
364 points[i].x = coords[i*2];
365 points[i].y = coords[i*2+1];
368 if (fillcolour >= 0) {
369 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
370 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
372 assert(outlinecolour >= 0);
373 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
376 * In principle we ought to be able to use gdk_draw_polygon for
377 * the outline as well. In fact, it turns out to interact badly
378 * with a clipping region, for no terribly obvious reason, so I
379 * draw the outline as a sequence of lines instead.
381 for (i = 0; i < npoints; i++)
382 gdk_draw_line(fe->pixmap, fe->gc,
383 points[i].x, points[i].y,
384 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
389 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
390 int fillcolour, int outlinecolour)
392 frontend *fe = (frontend *)handle;
393 if (fillcolour >= 0) {
394 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
395 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
396 cx - radius, cy - radius,
397 2 * radius, 2 * radius, 0, 360 * 64);
400 assert(outlinecolour >= 0);
401 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
402 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
403 cx - radius, cy - radius,
404 2 * radius, 2 * radius, 0, 360 * 64);
412 blitter *gtk_blitter_new(void *handle, int w, int h)
415 * We can't create the pixmap right now, because fe->window
416 * might not yet exist. So we just cache w and h and create it
417 * during the firs call to blitter_save.
419 blitter *bl = snew(blitter);
426 void gtk_blitter_free(void *handle, blitter *bl)
429 gdk_pixmap_unref(bl->pixmap);
433 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
435 frontend *fe = (frontend *)handle;
437 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
440 gdk_draw_pixmap(bl->pixmap,
441 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
443 x, y, 0, 0, bl->w, bl->h);
446 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
448 frontend *fe = (frontend *)handle;
450 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
454 gdk_draw_pixmap(fe->pixmap,
455 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
457 0, 0, x, y, bl->w, bl->h);
460 void gtk_draw_update(void *handle, int x, int y, int w, int h)
462 frontend *fe = (frontend *)handle;
463 if (fe->bbox_l > x ) fe->bbox_l = x ;
464 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
465 if (fe->bbox_u > y ) fe->bbox_u = y ;
466 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
469 void gtk_end_draw(void *handle)
471 frontend *fe = (frontend *)handle;
472 gdk_gc_unref(fe->gc);
475 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
476 gdk_draw_pixmap(fe->area->window,
477 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
479 fe->bbox_l, fe->bbox_u,
480 fe->ox + fe->bbox_l, fe->oy + fe->bbox_u,
481 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
485 const struct drawing_api gtk_drawing = {
501 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
502 NULL, /* line_width */
505 static void destroy(GtkWidget *widget, gpointer data)
507 frontend *fe = (frontend *)data;
508 deactivate_timer(fe);
513 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
515 frontend *fe = (frontend *)data;
517 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
518 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
523 #if !GTK_CHECK_VERSION(2,0,0)
524 /* Gtk 1.2 passes a key event to this function even if it's also
525 * defined as an accelerator.
526 * Gtk 2 doesn't do this, and this function appears not to exist there. */
527 if (fe->accelgroup &&
528 gtk_accel_group_get_entry(fe->accelgroup,
529 event->keyval, event->state))
533 if (event->keyval == GDK_Up)
534 keyval = shift | ctrl | CURSOR_UP;
535 else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
536 keyval = MOD_NUM_KEYPAD | '8';
537 else if (event->keyval == GDK_Down)
538 keyval = shift | ctrl | CURSOR_DOWN;
539 else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
540 keyval = MOD_NUM_KEYPAD | '2';
541 else if (event->keyval == GDK_Left)
542 keyval = shift | ctrl | CURSOR_LEFT;
543 else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
544 keyval = MOD_NUM_KEYPAD | '4';
545 else if (event->keyval == GDK_Right)
546 keyval = shift | ctrl | CURSOR_RIGHT;
547 else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
548 keyval = MOD_NUM_KEYPAD | '6';
549 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
550 keyval = MOD_NUM_KEYPAD | '7';
551 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
552 keyval = MOD_NUM_KEYPAD | '1';
553 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
554 keyval = MOD_NUM_KEYPAD | '9';
555 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
556 keyval = MOD_NUM_KEYPAD | '3';
557 else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
558 keyval = MOD_NUM_KEYPAD | '0';
559 else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
560 keyval = MOD_NUM_KEYPAD | '5';
561 else if (event->keyval == GDK_BackSpace ||
562 event->keyval == GDK_Delete ||
563 event->keyval == GDK_KP_Delete)
565 else if (event->string[0] && !event->string[1])
566 keyval = (unsigned char)event->string[0];
571 !midend_process_key(fe->me, 0, 0, keyval))
572 gtk_widget_destroy(fe->window);
577 static gint button_event(GtkWidget *widget, GdkEventButton *event,
580 frontend *fe = (frontend *)data;
586 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
589 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
590 button = MIDDLE_BUTTON;
591 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
592 button = RIGHT_BUTTON;
593 else if (event->button == 1)
594 button = LEFT_BUTTON;
596 return FALSE; /* don't even know what button! */
598 if (event->type == GDK_BUTTON_RELEASE)
599 button += LEFT_RELEASE - LEFT_BUTTON;
601 if (!midend_process_key(fe->me, event->x - fe->ox,
602 event->y - fe->oy, button))
603 gtk_widget_destroy(fe->window);
608 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
611 frontend *fe = (frontend *)data;
617 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
618 button = MIDDLE_DRAG;
619 else if (event->state & GDK_BUTTON1_MASK)
621 else if (event->state & GDK_BUTTON3_MASK)
624 return FALSE; /* don't even know what button! */
626 if (!midend_process_key(fe->me, event->x - fe->ox,
627 event->y - fe->oy, button))
628 gtk_widget_destroy(fe->window);
633 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
636 frontend *fe = (frontend *)data;
639 gdk_draw_pixmap(widget->window,
640 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
642 event->area.x - fe->ox, event->area.y - fe->oy,
643 event->area.x, event->area.y,
644 event->area.width, event->area.height);
649 static gint map_window(GtkWidget *widget, GdkEvent *event,
652 frontend *fe = (frontend *)data;
655 * Apparently we need to do this because otherwise the status
656 * bar will fail to update immediately. Annoying, but there we
659 gtk_widget_queue_draw(fe->window);
664 static gint configure_area(GtkWidget *widget,
665 GdkEventConfigure *event, gpointer data)
667 frontend *fe = (frontend *)data;
672 gdk_pixmap_unref(fe->pixmap);
674 x = fe->w = event->width;
675 y = fe->h = event->height;
676 midend_size(fe->me, &x, &y, TRUE);
679 fe->ox = (fe->w - fe->pw) / 2;
680 fe->oy = (fe->h - fe->ph) / 2;
682 fe->pixmap = gdk_pixmap_new(widget->window, fe->pw, fe->ph, -1);
684 gc = gdk_gc_new(fe->area->window);
685 gdk_gc_set_foreground(gc, &fe->colours[0]);
686 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
687 gdk_draw_rectangle(widget->window, gc, 1, 0, 0,
688 event->width, event->height);
691 midend_force_redraw(fe->me);
696 static gint timer_func(gpointer data)
698 frontend *fe = (frontend *)data;
700 if (fe->timer_active) {
703 gettimeofday(&now, NULL);
704 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
705 (now.tv_sec - fe->last_time.tv_sec));
706 midend_timer(fe->me, elapsed); /* may clear timer_active */
710 return fe->timer_active;
713 void deactivate_timer(frontend *fe)
716 return; /* can happen due to --generate */
717 if (fe->timer_active)
718 gtk_timeout_remove(fe->timer_id);
719 fe->timer_active = FALSE;
722 void activate_timer(frontend *fe)
725 return; /* can happen due to --generate */
726 if (!fe->timer_active) {
727 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
728 gettimeofday(&fe->last_time, NULL);
730 fe->timer_active = TRUE;
733 static void window_destroy(GtkWidget *widget, gpointer data)
738 static void msgbox_button_clicked(GtkButton *button, gpointer data)
740 GtkWidget *window = GTK_WIDGET(data);
743 ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data");
744 v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data"));
747 gtk_widget_destroy(GTK_WIDGET(data));
750 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
752 GtkObject *cancelbutton = GTK_OBJECT(data);
755 * `Escape' effectively clicks the cancel button
757 if (event->keyval == GDK_Escape) {
758 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
765 enum { MB_OK, MB_YESNO };
767 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
770 GtkWidget *window, *hbox, *text, *button;
774 window = gtk_dialog_new();
775 text = gtk_label_new(msg);
776 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
777 hbox = gtk_hbox_new(FALSE, 0);
778 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
779 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
780 hbox, FALSE, FALSE, 20);
781 gtk_widget_show(text);
782 gtk_widget_show(hbox);
783 gtk_window_set_title(GTK_WINDOW(window), title);
784 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
790 assert(type == MB_YESNO);
791 titles = "Yes\0No\0";
798 button = gtk_button_new_with_label(titles);
799 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
800 button, FALSE, FALSE, 0);
801 gtk_widget_show(button);
803 GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
804 gtk_window_set_default(GTK_WINDOW(window), button);
807 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
808 GTK_SIGNAL_FUNC(win_key_press), button);
810 gtk_signal_connect(GTK_OBJECT(button), "clicked",
811 GTK_SIGNAL_FUNC(msgbox_button_clicked), window);
812 gtk_object_set_data(GTK_OBJECT(button), "user-data",
814 titles += strlen(titles)+1;
817 gtk_object_set_data(GTK_OBJECT(window), "user-data",
818 GINT_TO_POINTER(&i));
819 gtk_signal_connect(GTK_OBJECT(window), "destroy",
820 GTK_SIGNAL_FUNC(window_destroy), NULL);
821 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
822 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
823 /* set_transient_window_pos(parent, window); */
824 gtk_widget_show(window);
827 return (type == MB_YESNO ? i == 0 : TRUE);
830 void error_box(GtkWidget *parent, char *msg)
832 message_box(parent, "Error", msg, FALSE, MB_OK);
835 static void config_ok_button_clicked(GtkButton *button, gpointer data)
837 frontend *fe = (frontend *)data;
840 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
843 error_box(fe->cfgbox, err);
846 gtk_widget_destroy(fe->cfgbox);
850 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
852 frontend *fe = (frontend *)data;
854 gtk_widget_destroy(fe->cfgbox);
857 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
860 * GtkEntry has a nasty habit of eating the Return key, which
861 * is unhelpful since it doesn't actually _do_ anything with it
862 * (it calls gtk_widget_activate, but our edit boxes never need
863 * activating). So I catch Return before GtkEntry sees it, and
864 * pass it straight on to the parent widget. Effect: hitting
865 * Return in an edit box will now activate the default button
866 * in the dialog just like it will everywhere else.
868 if (event->keyval == GDK_Return && widget->parent != NULL) {
870 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
871 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
878 static void editbox_changed(GtkEditable *ed, gpointer data)
880 config_item *i = (config_item *)data;
883 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
886 static void button_toggled(GtkToggleButton *tb, gpointer data)
888 config_item *i = (config_item *)data;
890 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
893 static void droplist_sel(GtkMenuItem *item, gpointer data)
895 config_item *i = (config_item *)data;
897 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
901 static int get_config(frontend *fe, int which)
903 GtkWidget *w, *table, *cancel;
908 fe->cfg = midend_get_config(fe->me, which, &title);
909 fe->cfg_which = which;
912 fe->cfgbox = gtk_dialog_new();
913 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
916 w = gtk_button_new_with_label("OK");
917 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
920 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
921 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
922 gtk_signal_connect(GTK_OBJECT(w), "clicked",
923 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
925 w = gtk_button_new_with_label("Cancel");
926 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
929 gtk_signal_connect(GTK_OBJECT(w), "clicked",
930 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
933 table = gtk_table_new(1, 2, FALSE);
935 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
936 table, FALSE, FALSE, 0);
937 gtk_widget_show(table);
939 for (i = fe->cfg; i->type != C_END; i++) {
940 gtk_table_resize(GTK_TABLE(table), y+1, 2);
945 * Edit box with a label beside it.
948 w = gtk_label_new(i->name);
949 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
950 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
951 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
952 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
957 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
958 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
959 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
961 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
962 gtk_signal_connect(GTK_OBJECT(w), "changed",
963 GTK_SIGNAL_FUNC(editbox_changed), i);
964 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
965 GTK_SIGNAL_FUNC(editbox_key), NULL);
974 w = gtk_check_button_new_with_label(i->name);
975 gtk_signal_connect(GTK_OBJECT(w), "toggled",
976 GTK_SIGNAL_FUNC(button_toggled), i);
977 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
978 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
979 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
981 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
987 * Drop-down list (GtkOptionMenu).
990 w = gtk_label_new(i->name);
991 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
992 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
993 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
994 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
998 w = gtk_option_menu_new();
999 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1000 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1001 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1008 GtkWidget *menuitem;
1009 GtkWidget *menu = gtk_menu_new();
1011 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
1019 while (*q && *q != c)
1022 name = snewn(q-p+1, char);
1023 strncpy(name, p, q-p);
1026 if (*q) q++; /* eat delimiter */
1028 menuitem = gtk_menu_item_new_with_label(name);
1029 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1030 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1031 GINT_TO_POINTER(val));
1032 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1033 GTK_SIGNAL_FUNC(droplist_sel), i);
1034 gtk_widget_show(menuitem);
1041 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
1050 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
1051 GTK_SIGNAL_FUNC(window_destroy), NULL);
1052 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
1053 GTK_SIGNAL_FUNC(win_key_press), cancel);
1054 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1055 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1056 GTK_WINDOW(fe->window));
1057 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1058 gtk_widget_show(fe->cfgbox);
1066 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1068 frontend *fe = (frontend *)data;
1069 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1071 if (!midend_process_key(fe->me, 0, 0, key))
1072 gtk_widget_destroy(fe->window);
1075 static void get_size(frontend *fe, int *px, int *py)
1080 * Currently I don't want to make the GTK port scale large
1081 * puzzles to fit on the screen. This is because X does permit
1082 * extremely large windows and many window managers provide a
1083 * means of navigating round them, and the users I consulted
1084 * before deciding said that they'd rather have enormous puzzle
1085 * windows spanning multiple screen pages than have them
1086 * shrunk. I could change my mind later or introduce
1087 * configurability; this would be the place to do so, by
1088 * replacing the initial values of x and y with the screen
1093 midend_size(fe->me, &x, &y, FALSE);
1098 #if !GTK_CHECK_VERSION(2,0,0)
1099 #define gtk_window_resize(win, x, y) \
1100 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1103 static void resize_fe(frontend *fe)
1107 get_size(fe, &x, &y);
1110 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1113 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1114 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1117 * Now that we've established the preferred size of the window,
1118 * reduce the drawing area's size request so the user can shrink
1121 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1124 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1126 frontend *fe = (frontend *)data;
1127 game_params *params =
1128 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
1130 midend_set_params(fe->me, params);
1131 midend_new_game(fe->me);
1135 GdkAtom compound_text_atom, utf8_string_atom;
1136 int paste_initialised = FALSE;
1140 unsigned char empty[] = { 0 };
1142 if (paste_initialised)
1145 if (!compound_text_atom)
1146 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1147 if (!utf8_string_atom)
1148 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1151 * Ensure that all the cut buffers exist - according to the
1152 * ICCCM, we must do this before we start using cut buffers.
1154 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1155 XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
1156 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1157 XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
1158 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1159 XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
1160 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1161 XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
1162 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1163 XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
1164 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1165 XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
1166 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1167 XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
1168 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1169 XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
1172 /* Store data in a cut-buffer. */
1173 void store_cutbuffer(char *ptr, int len)
1175 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1176 XRotateBuffers(GDK_DISPLAY(), 1);
1177 XStoreBytes(GDK_DISPLAY(), ptr, len);
1180 void write_clip(frontend *fe, char *data)
1185 sfree(fe->paste_data);
1188 * For this simple application we can safely assume that the
1189 * data passed to this function is pure ASCII, which means we
1190 * can return precisely the same stuff for types STRING,
1191 * COMPOUND_TEXT or UTF8_STRING.
1194 fe->paste_data = data;
1195 fe->paste_data_len = strlen(data);
1197 store_cutbuffer(fe->paste_data, fe->paste_data_len);
1199 if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
1201 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1202 GDK_SELECTION_TYPE_STRING, 1);
1203 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1204 compound_text_atom, 1);
1205 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1206 utf8_string_atom, 1);
1210 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1211 guint info, guint time_stamp, gpointer data)
1213 frontend *fe = (frontend *)data;
1214 gtk_selection_data_set(seldata, seldata->target, 8,
1215 fe->paste_data, fe->paste_data_len);
1218 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1221 frontend *fe = (frontend *)data;
1224 sfree(fe->paste_data);
1225 fe->paste_data = NULL;
1226 fe->paste_data_len = 0;
1230 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1232 frontend *fe = (frontend *)data;
1235 text = midend_text_format(fe->me);
1238 write_clip(fe, text);
1244 static void filesel_ok(GtkButton *button, gpointer data)
1246 frontend *fe = (frontend *)data;
1248 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1251 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1253 fe->filesel_name = dupstr(name);
1256 static char *file_selector(frontend *fe, char *title, int save)
1258 GtkWidget *filesel =
1259 gtk_file_selection_new(title);
1261 fe->filesel_name = NULL;
1263 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1265 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1268 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1269 GTK_SIGNAL_FUNC(filesel_ok), fe);
1270 gtk_signal_connect_object
1271 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1272 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1273 gtk_signal_connect_object
1274 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1275 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1276 gtk_signal_connect(GTK_OBJECT(filesel), "destroy",
1277 GTK_SIGNAL_FUNC(window_destroy), NULL);
1278 gtk_widget_show(filesel);
1279 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
1282 return fe->filesel_name;
1285 static void savefile_write(void *wctx, void *buf, int len)
1287 FILE *fp = (FILE *)wctx;
1288 fwrite(buf, 1, len, fp);
1291 static int savefile_read(void *wctx, void *buf, int len)
1293 FILE *fp = (FILE *)wctx;
1296 ret = fread(buf, 1, len, fp);
1297 return (ret == len);
1300 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
1302 frontend *fe = (frontend *)data;
1305 name = file_selector(fe, "Enter name of game file to save", TRUE);
1310 if ((fp = fopen(name, "r")) != NULL) {
1311 char buf[256 + FILENAME_MAX];
1315 sprintf(buf, "Are you sure you want to overwrite the"
1317 FILENAME_MAX, name);
1318 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
1322 fp = fopen(name, "w");
1326 error_box(fe->window, "Unable to open save file");
1330 midend_serialise(fe->me, savefile_write, fp);
1336 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
1338 frontend *fe = (frontend *)data;
1341 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
1344 FILE *fp = fopen(name, "r");
1348 error_box(fe->window, "Unable to open saved game file");
1352 err = midend_deserialise(fe->me, savefile_read, fp);
1357 error_box(fe->window, err);
1365 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
1367 frontend *fe = (frontend *)data;
1370 msg = midend_solve(fe->me);
1373 error_box(fe->window, msg);
1376 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
1378 frontend *fe = (frontend *)data;
1380 midend_restart_game(fe->me);
1383 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
1385 frontend *fe = (frontend *)data;
1386 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1389 if (!get_config(fe, which))
1392 midend_new_game(fe->me);
1396 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
1398 frontend *fe = (frontend *)data;
1402 sprintf(titlebuf, "About %.200s", thegame.name);
1405 "from Simon Tatham's Portable Puzzle Collection\n\n"
1406 "%.500s", thegame.name, ver);
1408 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
1411 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
1412 char *text, int key)
1414 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
1416 gtk_container_add(cont, menuitem);
1417 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1418 GINT_TO_POINTER(key));
1419 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1420 GTK_SIGNAL_FUNC(menu_key_event), fe);
1421 switch (key & ~0x1F) {
1424 keyqual = GDK_CONTROL_MASK;
1428 keyqual = GDK_SHIFT_MASK;
1434 gtk_widget_add_accelerator(menuitem,
1435 "activate", fe->accelgroup,
1438 gtk_widget_show(menuitem);
1442 static void add_menu_separator(GtkContainer *cont)
1444 GtkWidget *menuitem = gtk_menu_item_new();
1445 gtk_container_add(cont, menuitem);
1446 gtk_widget_show(menuitem);
1449 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
1451 static frontend *new_window(char *arg, int argtype, char **error)
1455 GtkWidget *menubar, *menu, *menuitem;
1460 extern char *const *const xpm_icons[];
1461 extern const int n_xpm_icons;
1463 fe = snew(frontend);
1465 fe->timer_active = FALSE;
1468 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
1478 err = midend_game_id(fe->me, arg);
1480 midend_new_game(fe->me);
1482 sprintf(errbuf, "Invalid game ID: %.800s", err);
1485 fp = fopen(arg, "r");
1487 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
1489 err = midend_deserialise(fe->me, savefile_read, fp);
1491 sprintf(errbuf, "Invalid save file: %.800s", err);
1495 default /*case ARG_EITHER*/:
1497 * First try treating the argument as a game ID.
1499 err = midend_game_id(fe->me, arg);
1502 * It's a valid game ID.
1504 midend_new_game(fe->me);
1506 FILE *fp = fopen(arg, "r");
1508 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
1509 " nor a save file (%.400s)", err, strerror(errno));
1511 err = midend_deserialise(fe->me, savefile_read, fp);
1513 sprintf(errbuf, "%.800s", err);
1520 *error = dupstr(errbuf);
1521 midend_free(fe->me);
1527 midend_new_game(fe->me);
1530 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1531 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
1533 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
1534 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
1535 gtk_widget_show(GTK_WIDGET(vbox));
1537 fe->accelgroup = gtk_accel_group_new();
1538 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
1540 menubar = gtk_menu_bar_new();
1541 gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
1542 gtk_widget_show(menubar);
1544 menuitem = gtk_menu_item_new_with_label("Game");
1545 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1546 gtk_widget_show(menuitem);
1548 menu = gtk_menu_new();
1549 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1551 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
1553 menuitem = gtk_menu_item_new_with_label("Restart");
1554 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1555 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1556 GTK_SIGNAL_FUNC(menu_restart_event), fe);
1557 gtk_widget_show(menuitem);
1559 menuitem = gtk_menu_item_new_with_label("Specific...");
1560 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1561 GINT_TO_POINTER(CFG_DESC));
1562 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1563 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1564 GTK_SIGNAL_FUNC(menu_config_event), fe);
1565 gtk_widget_show(menuitem);
1567 menuitem = gtk_menu_item_new_with_label("Random Seed...");
1568 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1569 GINT_TO_POINTER(CFG_SEED));
1570 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1571 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1572 GTK_SIGNAL_FUNC(menu_config_event), fe);
1573 gtk_widget_show(menuitem);
1575 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
1579 menuitem = gtk_menu_item_new_with_label("Type");
1580 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1581 gtk_widget_show(menuitem);
1583 submenu = gtk_menu_new();
1584 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
1586 for (i = 0; i < n; i++) {
1588 game_params *params;
1590 midend_fetch_preset(fe->me, i, &name, ¶ms);
1592 menuitem = gtk_menu_item_new_with_label(name);
1593 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1594 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
1595 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1596 GTK_SIGNAL_FUNC(menu_preset_event), fe);
1597 gtk_widget_show(menuitem);
1600 if (thegame.can_configure) {
1601 menuitem = gtk_menu_item_new_with_label("Custom...");
1602 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1603 GPOINTER_TO_INT(CFG_SETTINGS));
1604 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1605 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1606 GTK_SIGNAL_FUNC(menu_config_event), fe);
1607 gtk_widget_show(menuitem);
1611 add_menu_separator(GTK_CONTAINER(menu));
1612 menuitem = gtk_menu_item_new_with_label("Load...");
1613 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1614 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1615 GTK_SIGNAL_FUNC(menu_load_event), fe);
1616 gtk_widget_show(menuitem);
1617 menuitem = gtk_menu_item_new_with_label("Save...");
1618 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1619 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1620 GTK_SIGNAL_FUNC(menu_save_event), fe);
1621 gtk_widget_show(menuitem);
1622 add_menu_separator(GTK_CONTAINER(menu));
1623 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
1624 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
1625 if (thegame.can_format_as_text) {
1626 add_menu_separator(GTK_CONTAINER(menu));
1627 menuitem = gtk_menu_item_new_with_label("Copy");
1628 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1629 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1630 GTK_SIGNAL_FUNC(menu_copy_event), fe);
1631 gtk_widget_show(menuitem);
1633 if (thegame.can_solve) {
1634 add_menu_separator(GTK_CONTAINER(menu));
1635 menuitem = gtk_menu_item_new_with_label("Solve");
1636 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1637 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1638 GTK_SIGNAL_FUNC(menu_solve_event), fe);
1639 gtk_widget_show(menuitem);
1641 add_menu_separator(GTK_CONTAINER(menu));
1642 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
1644 menuitem = gtk_menu_item_new_with_label("Help");
1645 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1646 gtk_widget_show(menuitem);
1648 menu = gtk_menu_new();
1649 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1651 menuitem = gtk_menu_item_new_with_label("About");
1652 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1653 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1654 GTK_SIGNAL_FUNC(menu_about_event), fe);
1655 gtk_widget_show(menuitem);
1662 fe->colmap = gdk_colormap_get_system();
1663 colours = midend_colours(fe->me, &ncolours);
1664 fe->ncolours = ncolours;
1665 fe->colours = snewn(ncolours, GdkColor);
1666 for (i = 0; i < ncolours; i++) {
1667 fe->colours[i].red = colours[i*3] * 0xFFFF;
1668 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
1669 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
1671 success = snewn(ncolours, gboolean);
1672 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
1673 FALSE, FALSE, success);
1674 for (i = 0; i < ncolours; i++) {
1676 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1677 i, fe->colours[i].red >> 8,
1678 fe->colours[i].green >> 8,
1679 fe->colours[i].blue >> 8);
1683 if (midend_wants_statusbar(fe->me)) {
1684 GtkWidget *viewport;
1687 viewport = gtk_viewport_new(NULL, NULL);
1688 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
1689 fe->statusbar = gtk_statusbar_new();
1690 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
1691 gtk_widget_show(viewport);
1692 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
1693 gtk_widget_show(fe->statusbar);
1694 fe->statusctx = gtk_statusbar_get_context_id
1695 (GTK_STATUSBAR(fe->statusbar), "game");
1696 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
1698 gtk_widget_size_request(fe->statusbar, &req);
1700 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1702 gtk_widget_set_usize(viewport, -1, req.height);
1704 fe->statusbar = NULL;
1706 fe->area = gtk_drawing_area_new();
1707 get_size(fe, &x, &y);
1708 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1712 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
1716 fe->nfonts = fe->fontsize = 0;
1718 fe->paste_data = NULL;
1719 fe->paste_data_len = 0;
1721 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
1722 GTK_SIGNAL_FUNC(destroy), fe);
1723 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
1724 GTK_SIGNAL_FUNC(key_event), fe);
1725 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
1726 GTK_SIGNAL_FUNC(button_event), fe);
1727 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
1728 GTK_SIGNAL_FUNC(button_event), fe);
1729 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
1730 GTK_SIGNAL_FUNC(motion_event), fe);
1731 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
1732 GTK_SIGNAL_FUNC(selection_get), fe);
1733 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
1734 GTK_SIGNAL_FUNC(selection_clear), fe);
1735 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
1736 GTK_SIGNAL_FUNC(expose_area), fe);
1737 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
1738 GTK_SIGNAL_FUNC(map_window), fe);
1739 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
1740 GTK_SIGNAL_FUNC(configure_area), fe);
1742 gtk_widget_add_events(GTK_WIDGET(fe->area),
1743 GDK_BUTTON_PRESS_MASK |
1744 GDK_BUTTON_RELEASE_MASK |
1745 GDK_BUTTON_MOTION_MASK);
1748 gtk_widget_realize(fe->window);
1749 iconpm = gdk_pixmap_create_from_xpm_d(fe->window->window, NULL,
1750 NULL, (gchar **)xpm_icons[0]);
1751 gdk_window_set_icon(fe->window->window, NULL, iconpm, NULL);
1753 for (n = 0; n < n_xpm_icons; n++) {
1755 g_list_append(iconlist,
1756 gdk_pixbuf_new_from_xpm_data((const gchar **)
1759 gdk_window_set_icon_list(fe->window->window, iconlist);
1762 gtk_widget_show(fe->area);
1763 gtk_widget_show(fe->window);
1766 * Now that we've established the preferred size of the window,
1767 * reduce the drawing area's size request so the user can shrink
1770 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1772 gdk_window_set_background(fe->area->window, &fe->colours[0]);
1773 gdk_window_set_background(fe->window->window, &fe->colours[0]);
1778 char *fgetline(FILE *fp)
1780 char *ret = snewn(512, char);
1781 int size = 512, len = 0;
1782 while (fgets(ret + len, size - len, fp)) {
1783 len += strlen(ret + len);
1784 if (ret[len-1] == '\n')
1785 break; /* got a newline, we're done */
1787 ret = sresize(ret, size, char);
1789 if (len == 0) { /* first fgets returned NULL */
1797 int main(int argc, char **argv)
1799 char *pname = argv[0];
1801 int ngenerate = 0, print = FALSE, px = 1, py = 1;
1802 int soln = FALSE, colour = FALSE;
1804 float redo_proportion = 0.0F;
1806 int argtype = ARG_EITHER;
1807 char *screenshot_file = NULL;
1808 int doing_opts = TRUE;
1814 * Command line parsing in this function is rather fiddly,
1815 * because GTK wants to have a go at argc/argv _first_ - and
1816 * yet we can't let it, because gtk_init() will bomb out if it
1817 * can't open an X display, whereas in fact we want to permit
1818 * our --generate and --print modes to run without an X
1822 * - we parse the command line ourselves, without modifying
1824 * - if we encounter an error which might plausibly be the
1825 * result of a GTK command line (i.e. not detailed errors in
1826 * particular options of ours) we store the error message
1827 * and terminate parsing.
1828 * - if we got enough out of the command line to know it
1829 * specifies a non-X mode of operation, we either display
1830 * the stored error and return failure, or if there is no
1831 * stored error we do the non-X operation and return
1833 * - otherwise, we go straight to gtk_init().
1839 if (doing_opts && !strcmp(p, "--version")) {
1840 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1843 } else if (doing_opts && !strcmp(p, "--generate")) {
1845 ngenerate = atoi(*++av);
1847 fprintf(stderr, "%s: '--generate' expected a number\n",
1853 } else if (doing_opts && !strcmp(p, "--print")) {
1854 if (!thegame.can_print) {
1855 fprintf(stderr, "%s: this game does not support printing\n",
1862 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
1863 fprintf(stderr, "%s: unable to parse argument '%s' to "
1864 "'--print'\n", pname, dim);
1870 } else if (doing_opts && !strcmp(p, "--scale")) {
1872 scale = atof(*++av);
1874 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
1878 } else if (doing_opts && !strcmp(p, "--redo")) {
1880 * This is an internal option which I don't expect
1881 * users to have any particular use for. The effect of
1882 * --redo is that once the game has been loaded and
1883 * initialised, the next move in the redo chain is
1884 * replayed, and the game screen is redrawn part way
1885 * through the making of the move. This is only
1886 * meaningful if there _is_ a next move in the redo
1887 * chain, which means in turn that this option is only
1888 * useful if you're also passing a save file on the
1891 * This option is used by the script which generates
1892 * the puzzle icons and website screenshots, and I
1893 * don't imagine it's useful for anything else.
1894 * (Unless, I suppose, users don't like my screenshots
1895 * and want to generate their own in the same way for
1896 * some repackaged version of the puzzles.)
1899 redo_proportion = atof(*++av);
1901 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
1905 } else if (doing_opts && !strcmp(p, "--screenshot")) {
1907 * Another internal option for the icon building
1908 * script. This causes a screenshot of the central
1909 * drawing area (i.e. not including the menu bar or
1910 * status bar) to be saved to a PNG file once the
1911 * window has been drawn, and then the application
1912 * quits immediately.
1915 screenshot_file = *++av;
1917 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
1921 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
1922 !strcmp(p, "--with-solution") ||
1923 !strcmp(p, "--with-solns") ||
1924 !strcmp(p, "--with-soln") ||
1925 !strcmp(p, "--solutions") ||
1926 !strcmp(p, "--solution") ||
1927 !strcmp(p, "--solns") ||
1928 !strcmp(p, "--soln"))) {
1930 } else if (doing_opts && !strcmp(p, "--colour")) {
1931 if (!thegame.can_print_in_colour) {
1932 fprintf(stderr, "%s: this game does not support colour"
1933 " printing\n", pname);
1937 } else if (doing_opts && !strcmp(p, "--load")) {
1939 } else if (doing_opts && !strcmp(p, "--game")) {
1941 } else if (doing_opts && !strcmp(p, "--")) {
1943 } else if (!doing_opts || p[0] != '-') {
1945 fprintf(stderr, "%s: more than one argument supplied\n",
1951 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
1958 fputs(errbuf, stderr);
1963 * Special standalone mode for generating puzzle IDs on the
1964 * command line. Useful for generating puzzles to be printed
1965 * out and solved offline (for puzzles where that even makes
1966 * sense - Solo, for example, is a lot more pencil-and-paper
1967 * friendly than Twiddle!)
1971 * <puzzle-name> --generate [<n> [<params>]]
1973 * <n>, if present, is the number of puzzle IDs to generate.
1974 * <params>, if present, is the same type of parameter string
1975 * you would pass to the puzzle when running it in GUI mode,
1976 * including optional extras such as the expansion factor in
1977 * Rectangles and the difficulty level in Solo.
1979 * If you specify <params>, you must also specify <n> (although
1980 * you may specify it to be 1). Sorry; that was the
1981 * simplest-to-parse command-line syntax I came up with.
1983 if (ngenerate > 0 || print) {
1987 document *doc = NULL;
1991 me = midend_new(NULL, &thegame, NULL, NULL);
1995 doc = document_new(px, py, scale);
1998 * In this loop, we either generate a game ID or read one
1999 * from stdin depending on whether we're in generate mode;
2000 * then we either write it to stdout or print it, depending
2001 * on whether we're in print mode. Thus, this loop handles
2002 * generate-to-stdout, print-from-stdin and generate-and-
2003 * immediately-print modes.
2005 * (It could also handle a copy-stdin-to-stdout mode,
2006 * although there's currently no combination of options
2007 * which will cause this loop to be activated in that mode.
2008 * It wouldn't be _entirely_ pointless, though, because
2009 * stdin could contain bare params strings or random-seed
2010 * IDs, and stdout would contain nothing but fully
2011 * generated descriptive game IDs.)
2013 while (ngenerate == 0 || i < n) {
2016 if (ngenerate == 0) {
2017 pstr = fgetline(stdin);
2020 pstr[strcspn(pstr, "\r\n")] = '\0';
2023 pstr = snewn(strlen(arg) + 40, char);
2026 if (i > 0 && strchr(arg, '#'))
2027 sprintf(pstr + strlen(pstr), "-%d", i);
2033 err = midend_game_id(me, pstr);
2035 fprintf(stderr, "%s: error parsing '%s': %s\n",
2042 midend_new_game(me);
2045 err = midend_print_puzzle(me, doc, soln);
2047 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
2051 id = midend_get_game_id(me);
2060 psdata *ps = ps_init(stdout, colour);
2061 document_print(doc, ps_drawing_api(ps));
2072 gtk_init(&argc, &argv);
2074 fe = new_window(arg, argtype, &error);
2077 fprintf(stderr, "%s: %s\n", pname, error);
2081 if (screenshot_file) {
2083 * Some puzzles will not redraw their entire area if
2084 * given a partially completed animation, which means
2085 * we must redraw now and _then_ redraw again after
2086 * freezing the move timer.
2088 midend_force_redraw(fe->me);
2091 if (redo_proportion) {
2093 midend_process_key(fe->me, 0, 0, 'r');
2094 /* And freeze the timer at the specified position. */
2095 midend_freeze_timer(fe->me, redo_proportion);
2098 if (screenshot_file) {
2100 GError *gerror = NULL;
2102 midend_redraw(fe->me);
2104 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
2105 NULL, 0, 0, 0, 0, -1, -1);
2106 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);