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)
29 # ifdef PANGO_VERSION_CHECK
30 # if PANGO_VERSION_CHECK(1,8,0)
31 # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
37 static FILE *debug_fp = NULL;
42 debug_fp = fopen("debug.log", "w");
53 void debug_printf(char *fmt, ...)
59 vsprintf(buf, fmt, ap);
65 /* ----------------------------------------------------------------------
66 * Error reporting functions used elsewhere.
69 void fatal(char *fmt, ...)
73 fprintf(stderr, "fatal error: ");
76 vfprintf(stderr, fmt, ap);
79 fprintf(stderr, "\n");
83 /* ----------------------------------------------------------------------
84 * GTK front end to puzzles.
87 static void changed_preset(frontend *fe);
91 PangoFontDescription *desc;
100 * This structure holds all the data relevant to a single window.
101 * In principle this would allow us to open multiple independent
102 * puzzle windows, although I can't currently see any real point in
103 * doing so. I'm just coding cleanly because there's no
104 * particularly good reason not to.
108 GtkAccelGroup *accelgroup;
110 GtkWidget *statusbar;
119 int bbox_l, bbox_r, bbox_u, bbox_d;
120 int timer_active, timer_id;
121 struct timeval last_time;
123 int nfonts, fontsize;
125 int cfg_which, cfgret;
129 int pw, ph; /* pixmap size (w, h are area size) */
130 int ox, oy; /* offset of pixmap in drawing area */
133 GtkWidget **preset_bullets;
134 GtkWidget *preset_custom_bullet;
135 GtkWidget *copy_menu_item;
138 void get_random_seed(void **randseed, int *randseedsize)
140 struct timeval *tvp = snew(struct timeval);
141 gettimeofday(tvp, NULL);
142 *randseed = (void *)tvp;
143 *randseedsize = sizeof(struct timeval);
146 void frontend_default_colour(frontend *fe, float *output)
148 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
149 output[0] = col.red / 65535.0;
150 output[1] = col.green / 65535.0;
151 output[2] = col.blue / 65535.0;
154 void gtk_status_bar(void *handle, char *text)
156 frontend *fe = (frontend *)handle;
158 assert(fe->statusbar);
160 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
161 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
164 void gtk_start_draw(void *handle)
166 frontend *fe = (frontend *)handle;
167 fe->gc = gdk_gc_new(fe->area->window);
174 void gtk_clip(void *handle, int x, int y, int w, int h)
176 frontend *fe = (frontend *)handle;
184 gdk_gc_set_clip_rectangle(fe->gc, &rect);
187 void gtk_unclip(void *handle)
189 frontend *fe = (frontend *)handle;
197 gdk_gc_set_clip_rectangle(fe->gc, &rect);
200 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
201 int align, int colour, char *text)
203 frontend *fe = (frontend *)handle;
207 * Find or create the font.
209 for (i = 0; i < fe->nfonts; i++)
210 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
213 if (i == fe->nfonts) {
214 if (fe->fontsize <= fe->nfonts) {
215 fe->fontsize = fe->nfonts + 10;
216 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
221 fe->fonts[i].type = fonttype;
222 fe->fonts[i].size = fontsize;
226 * Use Pango to find the closest match to the requested
230 PangoFontDescription *fd;
232 fd = pango_font_description_new();
233 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
234 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
235 "Monospace" : "Sans");
236 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
238 * I found some online Pango documentation which
239 * described a function called
240 * pango_font_description_set_absolute_size(), which is
241 * _exactly_ what I want here. Unfortunately, none of
242 * my local Pango installations have it (presumably
243 * they're too old), so I'm going to have to hack round
244 * it by figuring out the point size myself. This
245 * limits me to X and probably also breaks in later
246 * Pango installations, so ideally I should add another
247 * CHECK_VERSION type ifdef and use set_absolute_size
248 * where available. All very annoying.
250 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
251 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
254 Display *d = GDK_DISPLAY();
255 int s = DefaultScreen(d);
257 (PANGO_SCALE * 72.27 / 25.4) *
258 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
259 pango_font_description_set_size(fd, resolution * fontsize);
262 fe->fonts[i].desc = fd;
267 * In GTK 1.2, I don't know of any plausible way to
268 * pick a suitable font, so I'm just going to be
271 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
272 "fixed" : "variable");
280 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
291 layout = pango_layout_new(gtk_widget_get_pango_context(fe->area));
292 pango_layout_set_font_description(layout, fe->fonts[i].desc);
293 pango_layout_set_text(layout, text, strlen(text));
294 pango_layout_get_pixel_extents(layout, NULL, &rect);
296 if (align & ALIGN_VCENTRE)
297 rect.y -= rect.height / 2;
299 rect.y -= rect.height;
301 if (align & ALIGN_HCENTRE)
302 rect.x -= rect.width / 2;
303 else if (align & ALIGN_HRIGHT)
304 rect.x -= rect.width;
306 gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout);
308 g_object_unref(layout);
313 * Find string dimensions and process alignment.
316 int lb, rb, wid, asc, desc;
319 * Measure vertical string extents with respect to the same
322 gdk_string_extents(fe->fonts[i].font,
323 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
324 &lb, &rb, &wid, &asc, &desc);
325 if (align & ALIGN_VCENTRE)
326 y += asc - (asc+desc)/2;
331 * ... but horizontal extents with respect to the provided
332 * string. This means that multiple pieces of text centred
333 * on the same y-coordinate don't have different baselines.
335 gdk_string_extents(fe->fonts[i].font, text,
336 &lb, &rb, &wid, &asc, &desc);
338 if (align & ALIGN_HCENTRE)
340 else if (align & ALIGN_HRIGHT)
346 * Actually draw the text.
348 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
353 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
355 frontend *fe = (frontend *)handle;
356 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
357 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
360 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
362 frontend *fe = (frontend *)handle;
363 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
364 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
367 void gtk_draw_poly(void *handle, int *coords, int npoints,
368 int fillcolour, int outlinecolour)
370 frontend *fe = (frontend *)handle;
371 GdkPoint *points = snewn(npoints, GdkPoint);
374 for (i = 0; i < npoints; i++) {
375 points[i].x = coords[i*2];
376 points[i].y = coords[i*2+1];
379 if (fillcolour >= 0) {
380 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
381 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
383 assert(outlinecolour >= 0);
384 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
387 * In principle we ought to be able to use gdk_draw_polygon for
388 * the outline as well. In fact, it turns out to interact badly
389 * with a clipping region, for no terribly obvious reason, so I
390 * draw the outline as a sequence of lines instead.
392 for (i = 0; i < npoints; i++)
393 gdk_draw_line(fe->pixmap, fe->gc,
394 points[i].x, points[i].y,
395 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
400 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
401 int fillcolour, int outlinecolour)
403 frontend *fe = (frontend *)handle;
404 if (fillcolour >= 0) {
405 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
406 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
407 cx - radius, cy - radius,
408 2 * radius, 2 * radius, 0, 360 * 64);
411 assert(outlinecolour >= 0);
412 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
413 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
414 cx - radius, cy - radius,
415 2 * radius, 2 * radius, 0, 360 * 64);
423 blitter *gtk_blitter_new(void *handle, int w, int h)
426 * We can't create the pixmap right now, because fe->window
427 * might not yet exist. So we just cache w and h and create it
428 * during the firs call to blitter_save.
430 blitter *bl = snew(blitter);
437 void gtk_blitter_free(void *handle, blitter *bl)
440 gdk_pixmap_unref(bl->pixmap);
444 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
446 frontend *fe = (frontend *)handle;
448 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
451 gdk_draw_pixmap(bl->pixmap,
452 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
454 x, y, 0, 0, bl->w, bl->h);
457 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
459 frontend *fe = (frontend *)handle;
461 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
465 gdk_draw_pixmap(fe->pixmap,
466 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
468 0, 0, x, y, bl->w, bl->h);
471 void gtk_draw_update(void *handle, int x, int y, int w, int h)
473 frontend *fe = (frontend *)handle;
474 if (fe->bbox_l > x ) fe->bbox_l = x ;
475 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
476 if (fe->bbox_u > y ) fe->bbox_u = y ;
477 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
480 void gtk_end_draw(void *handle)
482 frontend *fe = (frontend *)handle;
483 gdk_gc_unref(fe->gc);
486 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
487 gdk_draw_pixmap(fe->area->window,
488 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
490 fe->bbox_l, fe->bbox_u,
491 fe->ox + fe->bbox_l, fe->oy + fe->bbox_u,
492 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
496 const struct drawing_api gtk_drawing = {
512 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
513 NULL, /* line_width */
516 static void destroy(GtkWidget *widget, gpointer data)
518 frontend *fe = (frontend *)data;
519 deactivate_timer(fe);
524 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
526 frontend *fe = (frontend *)data;
528 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
529 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
534 #if !GTK_CHECK_VERSION(2,0,0)
535 /* Gtk 1.2 passes a key event to this function even if it's also
536 * defined as an accelerator.
537 * Gtk 2 doesn't do this, and this function appears not to exist there. */
538 if (fe->accelgroup &&
539 gtk_accel_group_get_entry(fe->accelgroup,
540 event->keyval, event->state))
544 if (event->keyval == GDK_Up)
545 keyval = shift | ctrl | CURSOR_UP;
546 else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
547 keyval = MOD_NUM_KEYPAD | '8';
548 else if (event->keyval == GDK_Down)
549 keyval = shift | ctrl | CURSOR_DOWN;
550 else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
551 keyval = MOD_NUM_KEYPAD | '2';
552 else if (event->keyval == GDK_Left)
553 keyval = shift | ctrl | CURSOR_LEFT;
554 else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
555 keyval = MOD_NUM_KEYPAD | '4';
556 else if (event->keyval == GDK_Right)
557 keyval = shift | ctrl | CURSOR_RIGHT;
558 else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
559 keyval = MOD_NUM_KEYPAD | '6';
560 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
561 keyval = MOD_NUM_KEYPAD | '7';
562 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
563 keyval = MOD_NUM_KEYPAD | '1';
564 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
565 keyval = MOD_NUM_KEYPAD | '9';
566 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
567 keyval = MOD_NUM_KEYPAD | '3';
568 else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
569 keyval = MOD_NUM_KEYPAD | '0';
570 else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
571 keyval = MOD_NUM_KEYPAD | '5';
572 else if (event->keyval == GDK_BackSpace ||
573 event->keyval == GDK_Delete ||
574 event->keyval == GDK_KP_Delete)
576 else if (event->string[0] && !event->string[1])
577 keyval = (unsigned char)event->string[0];
582 !midend_process_key(fe->me, 0, 0, keyval))
583 gtk_widget_destroy(fe->window);
588 static gint button_event(GtkWidget *widget, GdkEventButton *event,
591 frontend *fe = (frontend *)data;
597 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
600 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
601 button = MIDDLE_BUTTON;
602 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
603 button = RIGHT_BUTTON;
604 else if (event->button == 1)
605 button = LEFT_BUTTON;
607 return FALSE; /* don't even know what button! */
609 if (event->type == GDK_BUTTON_RELEASE)
610 button += LEFT_RELEASE - LEFT_BUTTON;
612 if (!midend_process_key(fe->me, event->x - fe->ox,
613 event->y - fe->oy, button))
614 gtk_widget_destroy(fe->window);
619 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
622 frontend *fe = (frontend *)data;
628 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
629 button = MIDDLE_DRAG;
630 else if (event->state & GDK_BUTTON1_MASK)
632 else if (event->state & GDK_BUTTON3_MASK)
635 return FALSE; /* don't even know what button! */
637 if (!midend_process_key(fe->me, event->x - fe->ox,
638 event->y - fe->oy, button))
639 gtk_widget_destroy(fe->window);
644 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
647 frontend *fe = (frontend *)data;
650 gdk_draw_pixmap(widget->window,
651 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
653 event->area.x - fe->ox, event->area.y - fe->oy,
654 event->area.x, event->area.y,
655 event->area.width, event->area.height);
660 static gint map_window(GtkWidget *widget, GdkEvent *event,
663 frontend *fe = (frontend *)data;
666 * Apparently we need to do this because otherwise the status
667 * bar will fail to update immediately. Annoying, but there we
670 gtk_widget_queue_draw(fe->window);
675 static gint configure_area(GtkWidget *widget,
676 GdkEventConfigure *event, gpointer data)
678 frontend *fe = (frontend *)data;
683 gdk_pixmap_unref(fe->pixmap);
685 x = fe->w = event->width;
686 y = fe->h = event->height;
687 midend_size(fe->me, &x, &y, TRUE);
690 fe->ox = (fe->w - fe->pw) / 2;
691 fe->oy = (fe->h - fe->ph) / 2;
693 fe->pixmap = gdk_pixmap_new(widget->window, fe->pw, fe->ph, -1);
695 gc = gdk_gc_new(fe->area->window);
696 gdk_gc_set_foreground(gc, &fe->colours[0]);
697 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
698 gdk_draw_rectangle(widget->window, gc, 1, 0, 0,
699 event->width, event->height);
702 midend_force_redraw(fe->me);
707 static gint timer_func(gpointer data)
709 frontend *fe = (frontend *)data;
711 if (fe->timer_active) {
714 gettimeofday(&now, NULL);
715 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
716 (now.tv_sec - fe->last_time.tv_sec));
717 midend_timer(fe->me, elapsed); /* may clear timer_active */
721 return fe->timer_active;
724 void deactivate_timer(frontend *fe)
727 return; /* can happen due to --generate */
728 if (fe->timer_active)
729 gtk_timeout_remove(fe->timer_id);
730 fe->timer_active = FALSE;
733 void activate_timer(frontend *fe)
736 return; /* can happen due to --generate */
737 if (!fe->timer_active) {
738 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
739 gettimeofday(&fe->last_time, NULL);
741 fe->timer_active = TRUE;
744 static void window_destroy(GtkWidget *widget, gpointer data)
749 static void msgbox_button_clicked(GtkButton *button, gpointer data)
751 GtkWidget *window = GTK_WIDGET(data);
754 ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data");
755 v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data"));
758 gtk_widget_destroy(GTK_WIDGET(data));
761 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
763 GtkObject *cancelbutton = GTK_OBJECT(data);
766 * `Escape' effectively clicks the cancel button
768 if (event->keyval == GDK_Escape) {
769 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
776 enum { MB_OK, MB_YESNO };
778 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
781 GtkWidget *window, *hbox, *text, *button;
785 window = gtk_dialog_new();
786 text = gtk_label_new(msg);
787 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
788 hbox = gtk_hbox_new(FALSE, 0);
789 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
790 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
791 hbox, FALSE, FALSE, 20);
792 gtk_widget_show(text);
793 gtk_widget_show(hbox);
794 gtk_window_set_title(GTK_WINDOW(window), title);
795 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
801 assert(type == MB_YESNO);
802 titles = "Yes\0No\0";
809 button = gtk_button_new_with_label(titles);
810 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
811 button, FALSE, FALSE, 0);
812 gtk_widget_show(button);
814 GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
815 gtk_window_set_default(GTK_WINDOW(window), button);
818 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
819 GTK_SIGNAL_FUNC(win_key_press), button);
821 gtk_signal_connect(GTK_OBJECT(button), "clicked",
822 GTK_SIGNAL_FUNC(msgbox_button_clicked), window);
823 gtk_object_set_data(GTK_OBJECT(button), "user-data",
825 titles += strlen(titles)+1;
828 gtk_object_set_data(GTK_OBJECT(window), "user-data",
829 GINT_TO_POINTER(&i));
830 gtk_signal_connect(GTK_OBJECT(window), "destroy",
831 GTK_SIGNAL_FUNC(window_destroy), NULL);
832 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
833 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
834 /* set_transient_window_pos(parent, window); */
835 gtk_widget_show(window);
838 return (type == MB_YESNO ? i == 0 : TRUE);
841 void error_box(GtkWidget *parent, char *msg)
843 message_box(parent, "Error", msg, FALSE, MB_OK);
846 static void config_ok_button_clicked(GtkButton *button, gpointer data)
848 frontend *fe = (frontend *)data;
851 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
854 error_box(fe->cfgbox, err);
857 gtk_widget_destroy(fe->cfgbox);
862 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
864 frontend *fe = (frontend *)data;
866 gtk_widget_destroy(fe->cfgbox);
869 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
872 * GtkEntry has a nasty habit of eating the Return key, which
873 * is unhelpful since it doesn't actually _do_ anything with it
874 * (it calls gtk_widget_activate, but our edit boxes never need
875 * activating). So I catch Return before GtkEntry sees it, and
876 * pass it straight on to the parent widget. Effect: hitting
877 * Return in an edit box will now activate the default button
878 * in the dialog just like it will everywhere else.
880 if (event->keyval == GDK_Return && widget->parent != NULL) {
882 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
883 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
890 static void editbox_changed(GtkEditable *ed, gpointer data)
892 config_item *i = (config_item *)data;
895 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
898 static void button_toggled(GtkToggleButton *tb, gpointer data)
900 config_item *i = (config_item *)data;
902 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
905 static void droplist_sel(GtkMenuItem *item, gpointer data)
907 config_item *i = (config_item *)data;
909 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
913 static int get_config(frontend *fe, int which)
915 GtkWidget *w, *table, *cancel;
920 fe->cfg = midend_get_config(fe->me, which, &title);
921 fe->cfg_which = which;
924 fe->cfgbox = gtk_dialog_new();
925 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
928 w = gtk_button_new_with_label("OK");
929 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
932 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
933 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
934 gtk_signal_connect(GTK_OBJECT(w), "clicked",
935 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
937 w = gtk_button_new_with_label("Cancel");
938 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
941 gtk_signal_connect(GTK_OBJECT(w), "clicked",
942 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
945 table = gtk_table_new(1, 2, FALSE);
947 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
948 table, FALSE, FALSE, 0);
949 gtk_widget_show(table);
951 for (i = fe->cfg; i->type != C_END; i++) {
952 gtk_table_resize(GTK_TABLE(table), y+1, 2);
957 * Edit box with a label beside it.
960 w = gtk_label_new(i->name);
961 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
962 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
963 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
964 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
969 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
970 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
971 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
973 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
974 gtk_signal_connect(GTK_OBJECT(w), "changed",
975 GTK_SIGNAL_FUNC(editbox_changed), i);
976 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
977 GTK_SIGNAL_FUNC(editbox_key), NULL);
986 w = gtk_check_button_new_with_label(i->name);
987 gtk_signal_connect(GTK_OBJECT(w), "toggled",
988 GTK_SIGNAL_FUNC(button_toggled), i);
989 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
990 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
991 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
993 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
999 * Drop-down list (GtkOptionMenu).
1002 w = gtk_label_new(i->name);
1003 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
1004 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1005 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1006 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1010 w = gtk_option_menu_new();
1011 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1012 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1013 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1020 GtkWidget *menuitem;
1021 GtkWidget *menu = gtk_menu_new();
1023 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
1031 while (*q && *q != c)
1034 name = snewn(q-p+1, char);
1035 strncpy(name, p, q-p);
1038 if (*q) q++; /* eat delimiter */
1040 menuitem = gtk_menu_item_new_with_label(name);
1041 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1042 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1043 GINT_TO_POINTER(val));
1044 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1045 GTK_SIGNAL_FUNC(droplist_sel), i);
1046 gtk_widget_show(menuitem);
1053 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
1062 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
1063 GTK_SIGNAL_FUNC(window_destroy), NULL);
1064 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
1065 GTK_SIGNAL_FUNC(win_key_press), cancel);
1066 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1067 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1068 GTK_WINDOW(fe->window));
1069 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1070 gtk_widget_show(fe->cfgbox);
1078 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1080 frontend *fe = (frontend *)data;
1081 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1083 if (!midend_process_key(fe->me, 0, 0, key))
1084 gtk_widget_destroy(fe->window);
1087 static void get_size(frontend *fe, int *px, int *py)
1092 * Currently I don't want to make the GTK port scale large
1093 * puzzles to fit on the screen. This is because X does permit
1094 * extremely large windows and many window managers provide a
1095 * means of navigating round them, and the users I consulted
1096 * before deciding said that they'd rather have enormous puzzle
1097 * windows spanning multiple screen pages than have them
1098 * shrunk. I could change my mind later or introduce
1099 * configurability; this would be the place to do so, by
1100 * replacing the initial values of x and y with the screen
1105 midend_size(fe->me, &x, &y, FALSE);
1110 #if !GTK_CHECK_VERSION(2,0,0)
1111 #define gtk_window_resize(win, x, y) \
1112 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1115 static void update_menuitem_bullet(GtkWidget *label, int visible)
1118 gtk_label_set_text(GTK_LABEL(label), "\xE2\x80\xA2");
1120 gtk_label_set_text(GTK_LABEL(label), "");
1125 * Called when any other code in this file has changed the
1126 * selected game parameters.
1128 static void changed_preset(frontend *fe)
1130 int n = midend_which_preset(fe->me);
1134 * Update the tick mark in the Type menu.
1136 if (fe->preset_bullets) {
1137 for (i = 0; i < fe->npresets; i++)
1138 update_menuitem_bullet(fe->preset_bullets[i], n == i);
1140 if (fe->preset_custom_bullet) {
1141 update_menuitem_bullet(fe->preset_custom_bullet, n < 0);
1145 * Update the greying on the Copy menu option.
1147 if (fe->copy_menu_item) {
1148 int enabled = midend_can_format_as_text_now(fe->me);
1149 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1153 static void resize_fe(frontend *fe)
1157 get_size(fe, &x, &y);
1160 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1163 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1164 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1167 * Now that we've established the preferred size of the window,
1168 * reduce the drawing area's size request so the user can shrink
1171 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1174 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1176 frontend *fe = (frontend *)data;
1177 game_params *params =
1178 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
1180 midend_set_params(fe->me, params);
1181 midend_new_game(fe->me);
1186 GdkAtom compound_text_atom, utf8_string_atom;
1187 int paste_initialised = FALSE;
1191 unsigned char empty[] = { 0 };
1193 if (paste_initialised)
1196 if (!compound_text_atom)
1197 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1198 if (!utf8_string_atom)
1199 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1202 * Ensure that all the cut buffers exist - according to the
1203 * ICCCM, we must do this before we start using cut buffers.
1205 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1206 XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
1207 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1208 XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
1209 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1210 XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
1211 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1212 XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
1213 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1214 XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
1215 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1216 XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
1217 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1218 XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
1219 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1220 XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
1223 /* Store data in a cut-buffer. */
1224 void store_cutbuffer(char *ptr, int len)
1226 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1227 XRotateBuffers(GDK_DISPLAY(), 1);
1228 XStoreBytes(GDK_DISPLAY(), ptr, len);
1231 void write_clip(frontend *fe, char *data)
1236 sfree(fe->paste_data);
1239 * For this simple application we can safely assume that the
1240 * data passed to this function is pure ASCII, which means we
1241 * can return precisely the same stuff for types STRING,
1242 * COMPOUND_TEXT or UTF8_STRING.
1245 fe->paste_data = data;
1246 fe->paste_data_len = strlen(data);
1248 store_cutbuffer(fe->paste_data, fe->paste_data_len);
1250 if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
1252 gtk_selection_clear_targets(fe->area, GDK_SELECTION_PRIMARY);
1253 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1254 GDK_SELECTION_TYPE_STRING, 1);
1255 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1256 compound_text_atom, 1);
1257 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1258 utf8_string_atom, 1);
1262 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1263 guint info, guint time_stamp, gpointer data)
1265 frontend *fe = (frontend *)data;
1266 gtk_selection_data_set(seldata, seldata->target, 8,
1267 fe->paste_data, fe->paste_data_len);
1270 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1273 frontend *fe = (frontend *)data;
1276 sfree(fe->paste_data);
1277 fe->paste_data = NULL;
1278 fe->paste_data_len = 0;
1282 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1284 frontend *fe = (frontend *)data;
1287 text = midend_text_format(fe->me);
1290 write_clip(fe, text);
1296 static void filesel_ok(GtkButton *button, gpointer data)
1298 frontend *fe = (frontend *)data;
1300 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1303 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1305 fe->filesel_name = dupstr(name);
1308 static char *file_selector(frontend *fe, char *title, int save)
1310 GtkWidget *filesel =
1311 gtk_file_selection_new(title);
1313 fe->filesel_name = NULL;
1315 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1317 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1320 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1321 GTK_SIGNAL_FUNC(filesel_ok), fe);
1322 gtk_signal_connect_object
1323 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1324 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1325 gtk_signal_connect_object
1326 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1327 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1328 gtk_signal_connect(GTK_OBJECT(filesel), "destroy",
1329 GTK_SIGNAL_FUNC(window_destroy), NULL);
1330 gtk_widget_show(filesel);
1331 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
1334 return fe->filesel_name;
1337 struct savefile_write_ctx {
1342 static void savefile_write(void *wctx, void *buf, int len)
1344 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
1345 if (fwrite(buf, 1, len, ctx->fp) < len)
1349 static int savefile_read(void *wctx, void *buf, int len)
1351 FILE *fp = (FILE *)wctx;
1354 ret = fread(buf, 1, len, fp);
1355 return (ret == len);
1358 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
1360 frontend *fe = (frontend *)data;
1363 name = file_selector(fe, "Enter name of game file to save", TRUE);
1368 if ((fp = fopen(name, "r")) != NULL) {
1369 char buf[256 + FILENAME_MAX];
1373 sprintf(buf, "Are you sure you want to overwrite the"
1375 FILENAME_MAX, name);
1376 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
1380 fp = fopen(name, "w");
1384 error_box(fe->window, "Unable to open save file");
1389 struct savefile_write_ctx ctx;
1392 midend_serialise(fe->me, savefile_write, &ctx);
1396 sprintf(boxmsg, "Error writing save file: %.400s",
1398 error_box(fe->window, boxmsg);
1406 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
1408 frontend *fe = (frontend *)data;
1411 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
1414 FILE *fp = fopen(name, "r");
1418 error_box(fe->window, "Unable to open saved game file");
1422 err = midend_deserialise(fe->me, savefile_read, fp);
1427 error_box(fe->window, err);
1436 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
1438 frontend *fe = (frontend *)data;
1441 msg = midend_solve(fe->me);
1444 error_box(fe->window, msg);
1447 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
1449 frontend *fe = (frontend *)data;
1451 midend_restart_game(fe->me);
1454 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
1456 frontend *fe = (frontend *)data;
1457 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1460 if (!get_config(fe, which))
1463 midend_new_game(fe->me);
1467 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
1469 frontend *fe = (frontend *)data;
1473 sprintf(titlebuf, "About %.200s", thegame.name);
1476 "from Simon Tatham's Portable Puzzle Collection\n\n"
1477 "%.500s", thegame.name, ver);
1479 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
1482 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
1483 char *text, int key)
1485 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
1487 gtk_container_add(cont, menuitem);
1488 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1489 GINT_TO_POINTER(key));
1490 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1491 GTK_SIGNAL_FUNC(menu_key_event), fe);
1492 switch (key & ~0x1F) {
1495 keyqual = GDK_CONTROL_MASK;
1499 keyqual = GDK_SHIFT_MASK;
1505 gtk_widget_add_accelerator(menuitem,
1506 "activate", fe->accelgroup,
1509 gtk_widget_show(menuitem);
1513 static void add_menu_separator(GtkContainer *cont)
1515 GtkWidget *menuitem = gtk_menu_item_new();
1516 gtk_container_add(cont, menuitem);
1517 gtk_widget_show(menuitem);
1520 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
1522 static GtkWidget *make_preset_menuitem(GtkWidget **bulletlabel,
1525 GtkWidget *hbox, *lab1, *lab2, *menuitem;
1528 hbox = gtk_hbox_new(FALSE, 0);
1529 gtk_widget_show(hbox);
1530 lab1 = gtk_label_new("\xE2\x80\xA2 ");
1531 gtk_widget_show(lab1);
1532 gtk_box_pack_start(GTK_BOX(hbox), lab1, FALSE, FALSE, 0);
1533 gtk_misc_set_alignment(GTK_MISC(lab1), 0.0, 0.0);
1534 lab2 = gtk_label_new(name);
1535 gtk_widget_show(lab2);
1536 gtk_box_pack_start(GTK_BOX(hbox), lab2, TRUE, TRUE, 0);
1537 gtk_misc_set_alignment(GTK_MISC(lab2), 0.0, 0.0);
1539 gtk_widget_size_request(lab1, &req);
1540 gtk_widget_set_usize(lab1, req.width, -1);
1541 gtk_label_set_text(GTK_LABEL(lab1), "");
1543 menuitem = gtk_menu_item_new();
1544 gtk_container_add(GTK_CONTAINER(menuitem), hbox);
1546 *bulletlabel = lab1;
1550 static frontend *new_window(char *arg, int argtype, char **error)
1554 GtkWidget *menubar, *menu, *menuitem;
1559 extern char *const *const xpm_icons[];
1560 extern const int n_xpm_icons;
1562 fe = snew(frontend);
1564 fe->timer_active = FALSE;
1567 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
1577 err = midend_game_id(fe->me, arg);
1579 midend_new_game(fe->me);
1581 sprintf(errbuf, "Invalid game ID: %.800s", err);
1584 fp = fopen(arg, "r");
1586 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
1588 err = midend_deserialise(fe->me, savefile_read, fp);
1590 sprintf(errbuf, "Invalid save file: %.800s", err);
1594 default /*case ARG_EITHER*/:
1596 * First try treating the argument as a game ID.
1598 err = midend_game_id(fe->me, arg);
1601 * It's a valid game ID.
1603 midend_new_game(fe->me);
1605 FILE *fp = fopen(arg, "r");
1607 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
1608 " nor a save file (%.400s)", err, strerror(errno));
1610 err = midend_deserialise(fe->me, savefile_read, fp);
1612 sprintf(errbuf, "%.800s", err);
1619 *error = dupstr(errbuf);
1620 midend_free(fe->me);
1626 midend_new_game(fe->me);
1629 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1630 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
1632 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
1633 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
1634 gtk_widget_show(GTK_WIDGET(vbox));
1636 fe->accelgroup = gtk_accel_group_new();
1637 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
1639 menubar = gtk_menu_bar_new();
1640 gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
1641 gtk_widget_show(menubar);
1643 menuitem = gtk_menu_item_new_with_label("Game");
1644 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1645 gtk_widget_show(menuitem);
1647 menu = gtk_menu_new();
1648 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1650 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
1652 menuitem = gtk_menu_item_new_with_label("Restart");
1653 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1654 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1655 GTK_SIGNAL_FUNC(menu_restart_event), fe);
1656 gtk_widget_show(menuitem);
1658 menuitem = gtk_menu_item_new_with_label("Specific...");
1659 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1660 GINT_TO_POINTER(CFG_DESC));
1661 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1662 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1663 GTK_SIGNAL_FUNC(menu_config_event), fe);
1664 gtk_widget_show(menuitem);
1666 menuitem = gtk_menu_item_new_with_label("Random Seed...");
1667 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1668 GINT_TO_POINTER(CFG_SEED));
1669 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1670 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1671 GTK_SIGNAL_FUNC(menu_config_event), fe);
1672 gtk_widget_show(menuitem);
1674 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
1678 menuitem = gtk_menu_item_new_with_label("Type");
1679 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1680 gtk_widget_show(menuitem);
1682 submenu = gtk_menu_new();
1683 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
1686 fe->preset_bullets = snewn(n, GtkWidget *);
1688 for (i = 0; i < n; i++) {
1690 game_params *params;
1692 midend_fetch_preset(fe->me, i, &name, ¶ms);
1694 menuitem = make_preset_menuitem(&fe->preset_bullets[i], name);
1696 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1697 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
1698 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1699 GTK_SIGNAL_FUNC(menu_preset_event), fe);
1700 gtk_widget_show(menuitem);
1703 if (thegame.can_configure) {
1704 menuitem = make_preset_menuitem(&fe->preset_custom_bullet,
1707 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1708 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1709 GPOINTER_TO_INT(CFG_SETTINGS));
1710 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1711 GTK_SIGNAL_FUNC(menu_config_event), fe);
1712 gtk_widget_show(menuitem);
1714 fe->preset_custom_bullet = NULL;
1718 fe->preset_bullets = NULL;
1719 fe->preset_custom_bullet = NULL;
1722 add_menu_separator(GTK_CONTAINER(menu));
1723 menuitem = gtk_menu_item_new_with_label("Load...");
1724 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1725 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1726 GTK_SIGNAL_FUNC(menu_load_event), fe);
1727 gtk_widget_show(menuitem);
1728 menuitem = gtk_menu_item_new_with_label("Save...");
1729 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1730 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1731 GTK_SIGNAL_FUNC(menu_save_event), fe);
1732 gtk_widget_show(menuitem);
1733 add_menu_separator(GTK_CONTAINER(menu));
1734 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
1735 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
1736 if (thegame.can_format_as_text_ever) {
1737 add_menu_separator(GTK_CONTAINER(menu));
1738 menuitem = gtk_menu_item_new_with_label("Copy");
1739 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1740 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1741 GTK_SIGNAL_FUNC(menu_copy_event), fe);
1742 gtk_widget_show(menuitem);
1743 fe->copy_menu_item = menuitem;
1745 fe->copy_menu_item = NULL;
1747 if (thegame.can_solve) {
1748 add_menu_separator(GTK_CONTAINER(menu));
1749 menuitem = gtk_menu_item_new_with_label("Solve");
1750 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1751 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1752 GTK_SIGNAL_FUNC(menu_solve_event), fe);
1753 gtk_widget_show(menuitem);
1755 add_menu_separator(GTK_CONTAINER(menu));
1756 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
1758 menuitem = gtk_menu_item_new_with_label("Help");
1759 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1760 gtk_widget_show(menuitem);
1762 menu = gtk_menu_new();
1763 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1765 menuitem = gtk_menu_item_new_with_label("About");
1766 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1767 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1768 GTK_SIGNAL_FUNC(menu_about_event), fe);
1769 gtk_widget_show(menuitem);
1778 fe->colmap = gdk_colormap_get_system();
1779 colours = midend_colours(fe->me, &ncolours);
1780 fe->ncolours = ncolours;
1781 fe->colours = snewn(ncolours, GdkColor);
1782 for (i = 0; i < ncolours; i++) {
1783 fe->colours[i].red = colours[i*3] * 0xFFFF;
1784 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
1785 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
1787 success = snewn(ncolours, gboolean);
1788 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
1789 FALSE, FALSE, success);
1790 for (i = 0; i < ncolours; i++) {
1792 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1793 i, fe->colours[i].red >> 8,
1794 fe->colours[i].green >> 8,
1795 fe->colours[i].blue >> 8);
1800 if (midend_wants_statusbar(fe->me)) {
1801 GtkWidget *viewport;
1804 viewport = gtk_viewport_new(NULL, NULL);
1805 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
1806 fe->statusbar = gtk_statusbar_new();
1807 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
1808 gtk_widget_show(viewport);
1809 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
1810 gtk_widget_show(fe->statusbar);
1811 fe->statusctx = gtk_statusbar_get_context_id
1812 (GTK_STATUSBAR(fe->statusbar), "game");
1813 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
1815 gtk_widget_size_request(fe->statusbar, &req);
1817 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1819 gtk_widget_set_usize(viewport, -1, req.height);
1821 fe->statusbar = NULL;
1823 fe->area = gtk_drawing_area_new();
1824 get_size(fe, &x, &y);
1825 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1829 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
1833 fe->nfonts = fe->fontsize = 0;
1835 fe->paste_data = NULL;
1836 fe->paste_data_len = 0;
1838 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
1839 GTK_SIGNAL_FUNC(destroy), fe);
1840 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
1841 GTK_SIGNAL_FUNC(key_event), fe);
1842 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
1843 GTK_SIGNAL_FUNC(button_event), fe);
1844 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
1845 GTK_SIGNAL_FUNC(button_event), fe);
1846 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
1847 GTK_SIGNAL_FUNC(motion_event), fe);
1848 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
1849 GTK_SIGNAL_FUNC(selection_get), fe);
1850 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
1851 GTK_SIGNAL_FUNC(selection_clear), fe);
1852 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
1853 GTK_SIGNAL_FUNC(expose_area), fe);
1854 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
1855 GTK_SIGNAL_FUNC(map_window), fe);
1856 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
1857 GTK_SIGNAL_FUNC(configure_area), fe);
1859 gtk_widget_add_events(GTK_WIDGET(fe->area),
1860 GDK_BUTTON_PRESS_MASK |
1861 GDK_BUTTON_RELEASE_MASK |
1862 GDK_BUTTON_MOTION_MASK);
1865 gtk_widget_realize(fe->window);
1866 iconpm = gdk_pixmap_create_from_xpm_d(fe->window->window, NULL,
1867 NULL, (gchar **)xpm_icons[0]);
1868 gdk_window_set_icon(fe->window->window, NULL, iconpm, NULL);
1870 for (n = 0; n < n_xpm_icons; n++) {
1872 g_list_append(iconlist,
1873 gdk_pixbuf_new_from_xpm_data((const gchar **)
1876 gdk_window_set_icon_list(fe->window->window, iconlist);
1879 gtk_widget_show(fe->area);
1880 gtk_widget_show(fe->window);
1883 * Now that we've established the preferred size of the window,
1884 * reduce the drawing area's size request so the user can shrink
1887 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1889 gdk_window_set_background(fe->area->window, &fe->colours[0]);
1890 gdk_window_set_background(fe->window->window, &fe->colours[0]);
1895 char *fgetline(FILE *fp)
1897 char *ret = snewn(512, char);
1898 int size = 512, len = 0;
1899 while (fgets(ret + len, size - len, fp)) {
1900 len += strlen(ret + len);
1901 if (ret[len-1] == '\n')
1902 break; /* got a newline, we're done */
1904 ret = sresize(ret, size, char);
1906 if (len == 0) { /* first fgets returned NULL */
1914 int main(int argc, char **argv)
1916 char *pname = argv[0];
1918 int ngenerate = 0, print = FALSE, px = 1, py = 1;
1919 int soln = FALSE, colour = FALSE;
1921 float redo_proportion = 0.0F;
1922 char *savefile = NULL, *savesuffix = NULL;
1924 int argtype = ARG_EITHER;
1925 char *screenshot_file = NULL;
1926 int doing_opts = TRUE;
1932 * Command line parsing in this function is rather fiddly,
1933 * because GTK wants to have a go at argc/argv _first_ - and
1934 * yet we can't let it, because gtk_init() will bomb out if it
1935 * can't open an X display, whereas in fact we want to permit
1936 * our --generate and --print modes to run without an X
1940 * - we parse the command line ourselves, without modifying
1942 * - if we encounter an error which might plausibly be the
1943 * result of a GTK command line (i.e. not detailed errors in
1944 * particular options of ours) we store the error message
1945 * and terminate parsing.
1946 * - if we got enough out of the command line to know it
1947 * specifies a non-X mode of operation, we either display
1948 * the stored error and return failure, or if there is no
1949 * stored error we do the non-X operation and return
1951 * - otherwise, we go straight to gtk_init().
1957 if (doing_opts && !strcmp(p, "--version")) {
1958 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1961 } else if (doing_opts && !strcmp(p, "--generate")) {
1963 ngenerate = atoi(*++av);
1965 fprintf(stderr, "%s: '--generate' expected a number\n",
1971 } else if (doing_opts && !strcmp(p, "--save")) {
1975 fprintf(stderr, "%s: '--save' expected a filename\n",
1979 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
1980 !strcmp(p, "--savesuffix"))) {
1984 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
1988 } else if (doing_opts && !strcmp(p, "--print")) {
1989 if (!thegame.can_print) {
1990 fprintf(stderr, "%s: this game does not support printing\n",
1997 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
1998 fprintf(stderr, "%s: unable to parse argument '%s' to "
1999 "'--print'\n", pname, dim);
2005 } else if (doing_opts && !strcmp(p, "--scale")) {
2007 scale = atof(*++av);
2009 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2013 } else if (doing_opts && !strcmp(p, "--redo")) {
2015 * This is an internal option which I don't expect
2016 * users to have any particular use for. The effect of
2017 * --redo is that once the game has been loaded and
2018 * initialised, the next move in the redo chain is
2019 * replayed, and the game screen is redrawn part way
2020 * through the making of the move. This is only
2021 * meaningful if there _is_ a next move in the redo
2022 * chain, which means in turn that this option is only
2023 * useful if you're also passing a save file on the
2026 * This option is used by the script which generates
2027 * the puzzle icons and website screenshots, and I
2028 * don't imagine it's useful for anything else.
2029 * (Unless, I suppose, users don't like my screenshots
2030 * and want to generate their own in the same way for
2031 * some repackaged version of the puzzles.)
2034 redo_proportion = atof(*++av);
2036 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
2040 } else if (doing_opts && !strcmp(p, "--screenshot")) {
2042 * Another internal option for the icon building
2043 * script. This causes a screenshot of the central
2044 * drawing area (i.e. not including the menu bar or
2045 * status bar) to be saved to a PNG file once the
2046 * window has been drawn, and then the application
2047 * quits immediately.
2050 screenshot_file = *++av;
2052 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
2056 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
2057 !strcmp(p, "--with-solution") ||
2058 !strcmp(p, "--with-solns") ||
2059 !strcmp(p, "--with-soln") ||
2060 !strcmp(p, "--solutions") ||
2061 !strcmp(p, "--solution") ||
2062 !strcmp(p, "--solns") ||
2063 !strcmp(p, "--soln"))) {
2065 } else if (doing_opts && !strcmp(p, "--colour")) {
2066 if (!thegame.can_print_in_colour) {
2067 fprintf(stderr, "%s: this game does not support colour"
2068 " printing\n", pname);
2072 } else if (doing_opts && !strcmp(p, "--load")) {
2074 } else if (doing_opts && !strcmp(p, "--game")) {
2076 } else if (doing_opts && !strcmp(p, "--")) {
2078 } else if (!doing_opts || p[0] != '-') {
2080 fprintf(stderr, "%s: more than one argument supplied\n",
2086 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
2093 fputs(errbuf, stderr);
2098 * Special standalone mode for generating puzzle IDs on the
2099 * command line. Useful for generating puzzles to be printed
2100 * out and solved offline (for puzzles where that even makes
2101 * sense - Solo, for example, is a lot more pencil-and-paper
2102 * friendly than Twiddle!)
2106 * <puzzle-name> --generate [<n> [<params>]]
2108 * <n>, if present, is the number of puzzle IDs to generate.
2109 * <params>, if present, is the same type of parameter string
2110 * you would pass to the puzzle when running it in GUI mode,
2111 * including optional extras such as the expansion factor in
2112 * Rectangles and the difficulty level in Solo.
2114 * If you specify <params>, you must also specify <n> (although
2115 * you may specify it to be 1). Sorry; that was the
2116 * simplest-to-parse command-line syntax I came up with.
2118 if (ngenerate > 0 || print || savefile || savesuffix) {
2122 document *doc = NULL;
2126 me = midend_new(NULL, &thegame, NULL, NULL);
2129 if (savefile && !savesuffix)
2131 if (!savefile && savesuffix)
2135 doc = document_new(px, py, scale);
2138 * In this loop, we either generate a game ID or read one
2139 * from stdin depending on whether we're in generate mode;
2140 * then we either write it to stdout or print it, depending
2141 * on whether we're in print mode. Thus, this loop handles
2142 * generate-to-stdout, print-from-stdin and generate-and-
2143 * immediately-print modes.
2145 * (It could also handle a copy-stdin-to-stdout mode,
2146 * although there's currently no combination of options
2147 * which will cause this loop to be activated in that mode.
2148 * It wouldn't be _entirely_ pointless, though, because
2149 * stdin could contain bare params strings or random-seed
2150 * IDs, and stdout would contain nothing but fully
2151 * generated descriptive game IDs.)
2153 while (ngenerate == 0 || i < n) {
2156 if (ngenerate == 0) {
2157 pstr = fgetline(stdin);
2160 pstr[strcspn(pstr, "\r\n")] = '\0';
2163 pstr = snewn(strlen(arg) + 40, char);
2166 if (i > 0 && strchr(arg, '#'))
2167 sprintf(pstr + strlen(pstr), "-%d", i);
2173 err = midend_game_id(me, pstr);
2175 fprintf(stderr, "%s: error parsing '%s': %s\n",
2182 midend_new_game(me);
2185 err = midend_print_puzzle(me, doc, soln);
2187 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
2192 struct savefile_write_ctx ctx;
2193 char *realname = snewn(40 + strlen(savefile) +
2194 strlen(savesuffix), char);
2195 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
2196 ctx.fp = fopen(realname, "w");
2198 fprintf(stderr, "%s: open: %s\n", realname,
2203 midend_serialise(me, savefile_write, &ctx);
2205 fprintf(stderr, "%s: write: %s\n", realname,
2206 strerror(ctx.error));
2209 if (fclose(ctx.fp)) {
2210 fprintf(stderr, "%s: close: %s\n", realname,
2215 if (!doc && !savefile) {
2216 id = midend_get_game_id(me);
2225 psdata *ps = ps_init(stdout, colour);
2226 document_print(doc, ps_drawing_api(ps));
2237 gtk_init(&argc, &argv);
2239 fe = new_window(arg, argtype, &error);
2242 fprintf(stderr, "%s: %s\n", pname, error);
2246 if (screenshot_file) {
2248 * Some puzzles will not redraw their entire area if
2249 * given a partially completed animation, which means
2250 * we must redraw now and _then_ redraw again after
2251 * freezing the move timer.
2253 midend_force_redraw(fe->me);
2256 if (redo_proportion) {
2258 midend_process_key(fe->me, 0, 0, 'r');
2259 /* And freeze the timer at the specified position. */
2260 midend_freeze_timer(fe->me, redo_proportion);
2263 if (screenshot_file) {
2265 GError *gerror = NULL;
2267 midend_redraw(fe->me);
2269 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
2270 NULL, 0, 0, 0, 0, -1, -1);
2271 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);