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.
82 static void changed_preset(frontend *fe);
86 PangoFontDescription *desc;
95 * This structure holds all the data relevant to a single window.
96 * In principle this would allow us to open multiple independent
97 * puzzle windows, although I can't currently see any real point in
98 * doing so. I'm just coding cleanly because there's no
99 * particularly good reason not to.
103 GtkAccelGroup *accelgroup;
105 GtkWidget *statusbar;
114 int bbox_l, bbox_r, bbox_u, bbox_d;
115 int timer_active, timer_id;
116 struct timeval last_time;
118 int nfonts, fontsize;
120 int cfg_which, cfgret;
124 int pw, ph; /* pixmap size (w, h are area size) */
125 int ox, oy; /* offset of pixmap in drawing area */
128 GtkWidget **preset_bullets;
129 GtkWidget *preset_custom_bullet;
130 GtkWidget *copy_menu_item;
133 void get_random_seed(void **randseed, int *randseedsize)
135 struct timeval *tvp = snew(struct timeval);
136 gettimeofday(tvp, NULL);
137 *randseed = (void *)tvp;
138 *randseedsize = sizeof(struct timeval);
141 void frontend_default_colour(frontend *fe, float *output)
143 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
144 output[0] = col.red / 65535.0;
145 output[1] = col.green / 65535.0;
146 output[2] = col.blue / 65535.0;
149 void gtk_status_bar(void *handle, char *text)
151 frontend *fe = (frontend *)handle;
153 assert(fe->statusbar);
155 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
156 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
159 void gtk_start_draw(void *handle)
161 frontend *fe = (frontend *)handle;
162 fe->gc = gdk_gc_new(fe->area->window);
169 void gtk_clip(void *handle, int x, int y, int w, int h)
171 frontend *fe = (frontend *)handle;
179 gdk_gc_set_clip_rectangle(fe->gc, &rect);
182 void gtk_unclip(void *handle)
184 frontend *fe = (frontend *)handle;
192 gdk_gc_set_clip_rectangle(fe->gc, &rect);
195 void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
196 int align, int colour, char *text)
198 frontend *fe = (frontend *)handle;
202 * Find or create the font.
204 for (i = 0; i < fe->nfonts; i++)
205 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
208 if (i == fe->nfonts) {
209 if (fe->fontsize <= fe->nfonts) {
210 fe->fontsize = fe->nfonts + 10;
211 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
216 fe->fonts[i].type = fonttype;
217 fe->fonts[i].size = fontsize;
221 * Use Pango to find the closest match to the requested
225 PangoFontDescription *fd;
227 fd = pango_font_description_new();
228 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
229 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
230 "Monospace" : "Sans");
231 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
233 * I found some online Pango documentation which
234 * described a function called
235 * pango_font_description_set_absolute_size(), which is
236 * _exactly_ what I want here. Unfortunately, none of
237 * my local Pango installations have it (presumably
238 * they're too old), so I'm going to have to hack round
239 * it by figuring out the point size myself. This
240 * limits me to X and probably also breaks in later
241 * Pango installations, so ideally I should add another
242 * CHECK_VERSION type ifdef and use set_absolute_size
243 * where available. All very annoying.
245 #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
246 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
249 Display *d = GDK_DISPLAY();
250 int s = DefaultScreen(d);
252 (PANGO_SCALE * 72.27 / 25.4) *
253 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
254 pango_font_description_set_size(fd, resolution * fontsize);
257 fe->fonts[i].desc = fd;
262 * In GTK 1.2, I don't know of any plausible way to
263 * pick a suitable font, so I'm just going to be
266 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
267 "fixed" : "variable");
275 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
286 layout = pango_layout_new(gtk_widget_get_pango_context(fe->area));
287 pango_layout_set_font_description(layout, fe->fonts[i].desc);
288 pango_layout_set_text(layout, text, strlen(text));
289 pango_layout_get_pixel_extents(layout, NULL, &rect);
291 if (align & ALIGN_VCENTRE)
292 rect.y -= rect.height / 2;
294 rect.y -= rect.height;
296 if (align & ALIGN_HCENTRE)
297 rect.x -= rect.width / 2;
298 else if (align & ALIGN_HRIGHT)
299 rect.x -= rect.width;
301 gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout);
303 g_object_unref(layout);
308 * Find string dimensions and process alignment.
311 int lb, rb, wid, asc, desc;
314 * Measure vertical string extents with respect to the same
317 gdk_string_extents(fe->fonts[i].font,
318 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
319 &lb, &rb, &wid, &asc, &desc);
320 if (align & ALIGN_VCENTRE)
321 y += asc - (asc+desc)/2;
326 * ... but horizontal extents with respect to the provided
327 * string. This means that multiple pieces of text centred
328 * on the same y-coordinate don't have different baselines.
330 gdk_string_extents(fe->fonts[i].font, text,
331 &lb, &rb, &wid, &asc, &desc);
333 if (align & ALIGN_HCENTRE)
335 else if (align & ALIGN_HRIGHT)
341 * Actually draw the text.
343 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
348 void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
350 frontend *fe = (frontend *)handle;
351 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
352 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
355 void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
357 frontend *fe = (frontend *)handle;
358 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
359 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
362 void gtk_draw_poly(void *handle, int *coords, int npoints,
363 int fillcolour, int outlinecolour)
365 frontend *fe = (frontend *)handle;
366 GdkPoint *points = snewn(npoints, GdkPoint);
369 for (i = 0; i < npoints; i++) {
370 points[i].x = coords[i*2];
371 points[i].y = coords[i*2+1];
374 if (fillcolour >= 0) {
375 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
376 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
378 assert(outlinecolour >= 0);
379 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
382 * In principle we ought to be able to use gdk_draw_polygon for
383 * the outline as well. In fact, it turns out to interact badly
384 * with a clipping region, for no terribly obvious reason, so I
385 * draw the outline as a sequence of lines instead.
387 for (i = 0; i < npoints; i++)
388 gdk_draw_line(fe->pixmap, fe->gc,
389 points[i].x, points[i].y,
390 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
395 void gtk_draw_circle(void *handle, int cx, int cy, int radius,
396 int fillcolour, int outlinecolour)
398 frontend *fe = (frontend *)handle;
399 if (fillcolour >= 0) {
400 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
401 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
402 cx - radius, cy - radius,
403 2 * radius, 2 * radius, 0, 360 * 64);
406 assert(outlinecolour >= 0);
407 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
408 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
409 cx - radius, cy - radius,
410 2 * radius, 2 * radius, 0, 360 * 64);
418 blitter *gtk_blitter_new(void *handle, int w, int h)
421 * We can't create the pixmap right now, because fe->window
422 * might not yet exist. So we just cache w and h and create it
423 * during the firs call to blitter_save.
425 blitter *bl = snew(blitter);
432 void gtk_blitter_free(void *handle, blitter *bl)
435 gdk_pixmap_unref(bl->pixmap);
439 void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
441 frontend *fe = (frontend *)handle;
443 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
446 gdk_draw_pixmap(bl->pixmap,
447 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
449 x, y, 0, 0, bl->w, bl->h);
452 void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
454 frontend *fe = (frontend *)handle;
456 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
460 gdk_draw_pixmap(fe->pixmap,
461 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
463 0, 0, x, y, bl->w, bl->h);
466 void gtk_draw_update(void *handle, int x, int y, int w, int h)
468 frontend *fe = (frontend *)handle;
469 if (fe->bbox_l > x ) fe->bbox_l = x ;
470 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
471 if (fe->bbox_u > y ) fe->bbox_u = y ;
472 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
475 void gtk_end_draw(void *handle)
477 frontend *fe = (frontend *)handle;
478 gdk_gc_unref(fe->gc);
481 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
482 gdk_draw_pixmap(fe->area->window,
483 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
485 fe->bbox_l, fe->bbox_u,
486 fe->ox + fe->bbox_l, fe->oy + fe->bbox_u,
487 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
491 const struct drawing_api gtk_drawing = {
507 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
508 NULL, /* line_width */
511 static void destroy(GtkWidget *widget, gpointer data)
513 frontend *fe = (frontend *)data;
514 deactivate_timer(fe);
519 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
521 frontend *fe = (frontend *)data;
523 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
524 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
529 #if !GTK_CHECK_VERSION(2,0,0)
530 /* Gtk 1.2 passes a key event to this function even if it's also
531 * defined as an accelerator.
532 * Gtk 2 doesn't do this, and this function appears not to exist there. */
533 if (fe->accelgroup &&
534 gtk_accel_group_get_entry(fe->accelgroup,
535 event->keyval, event->state))
539 if (event->keyval == GDK_Up)
540 keyval = shift | ctrl | CURSOR_UP;
541 else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
542 keyval = MOD_NUM_KEYPAD | '8';
543 else if (event->keyval == GDK_Down)
544 keyval = shift | ctrl | CURSOR_DOWN;
545 else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
546 keyval = MOD_NUM_KEYPAD | '2';
547 else if (event->keyval == GDK_Left)
548 keyval = shift | ctrl | CURSOR_LEFT;
549 else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
550 keyval = MOD_NUM_KEYPAD | '4';
551 else if (event->keyval == GDK_Right)
552 keyval = shift | ctrl | CURSOR_RIGHT;
553 else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
554 keyval = MOD_NUM_KEYPAD | '6';
555 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
556 keyval = MOD_NUM_KEYPAD | '7';
557 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
558 keyval = MOD_NUM_KEYPAD | '1';
559 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
560 keyval = MOD_NUM_KEYPAD | '9';
561 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
562 keyval = MOD_NUM_KEYPAD | '3';
563 else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
564 keyval = MOD_NUM_KEYPAD | '0';
565 else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
566 keyval = MOD_NUM_KEYPAD | '5';
567 else if (event->keyval == GDK_BackSpace ||
568 event->keyval == GDK_Delete ||
569 event->keyval == GDK_KP_Delete)
571 else if (event->string[0] && !event->string[1])
572 keyval = (unsigned char)event->string[0];
577 !midend_process_key(fe->me, 0, 0, keyval))
578 gtk_widget_destroy(fe->window);
583 static gint button_event(GtkWidget *widget, GdkEventButton *event,
586 frontend *fe = (frontend *)data;
592 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
595 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
596 button = MIDDLE_BUTTON;
597 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
598 button = RIGHT_BUTTON;
599 else if (event->button == 1)
600 button = LEFT_BUTTON;
602 return FALSE; /* don't even know what button! */
604 if (event->type == GDK_BUTTON_RELEASE)
605 button += LEFT_RELEASE - LEFT_BUTTON;
607 if (!midend_process_key(fe->me, event->x - fe->ox,
608 event->y - fe->oy, button))
609 gtk_widget_destroy(fe->window);
614 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
617 frontend *fe = (frontend *)data;
623 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
624 button = MIDDLE_DRAG;
625 else if (event->state & GDK_BUTTON1_MASK)
627 else if (event->state & GDK_BUTTON3_MASK)
630 return FALSE; /* don't even know what button! */
632 if (!midend_process_key(fe->me, event->x - fe->ox,
633 event->y - fe->oy, button))
634 gtk_widget_destroy(fe->window);
639 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
642 frontend *fe = (frontend *)data;
645 gdk_draw_pixmap(widget->window,
646 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
648 event->area.x - fe->ox, event->area.y - fe->oy,
649 event->area.x, event->area.y,
650 event->area.width, event->area.height);
655 static gint map_window(GtkWidget *widget, GdkEvent *event,
658 frontend *fe = (frontend *)data;
661 * Apparently we need to do this because otherwise the status
662 * bar will fail to update immediately. Annoying, but there we
665 gtk_widget_queue_draw(fe->window);
670 static gint configure_area(GtkWidget *widget,
671 GdkEventConfigure *event, gpointer data)
673 frontend *fe = (frontend *)data;
678 gdk_pixmap_unref(fe->pixmap);
680 x = fe->w = event->width;
681 y = fe->h = event->height;
682 midend_size(fe->me, &x, &y, TRUE);
685 fe->ox = (fe->w - fe->pw) / 2;
686 fe->oy = (fe->h - fe->ph) / 2;
688 fe->pixmap = gdk_pixmap_new(widget->window, fe->pw, fe->ph, -1);
690 gc = gdk_gc_new(fe->area->window);
691 gdk_gc_set_foreground(gc, &fe->colours[0]);
692 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
693 gdk_draw_rectangle(widget->window, gc, 1, 0, 0,
694 event->width, event->height);
697 midend_force_redraw(fe->me);
702 static gint timer_func(gpointer data)
704 frontend *fe = (frontend *)data;
706 if (fe->timer_active) {
709 gettimeofday(&now, NULL);
710 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
711 (now.tv_sec - fe->last_time.tv_sec));
712 midend_timer(fe->me, elapsed); /* may clear timer_active */
716 return fe->timer_active;
719 void deactivate_timer(frontend *fe)
722 return; /* can happen due to --generate */
723 if (fe->timer_active)
724 gtk_timeout_remove(fe->timer_id);
725 fe->timer_active = FALSE;
728 void activate_timer(frontend *fe)
731 return; /* can happen due to --generate */
732 if (!fe->timer_active) {
733 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
734 gettimeofday(&fe->last_time, NULL);
736 fe->timer_active = TRUE;
739 static void window_destroy(GtkWidget *widget, gpointer data)
744 static void msgbox_button_clicked(GtkButton *button, gpointer data)
746 GtkWidget *window = GTK_WIDGET(data);
749 ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data");
750 v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data"));
753 gtk_widget_destroy(GTK_WIDGET(data));
756 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
758 GtkObject *cancelbutton = GTK_OBJECT(data);
761 * `Escape' effectively clicks the cancel button
763 if (event->keyval == GDK_Escape) {
764 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
771 enum { MB_OK, MB_YESNO };
773 int message_box(GtkWidget *parent, char *title, char *msg, int centre,
776 GtkWidget *window, *hbox, *text, *button;
780 window = gtk_dialog_new();
781 text = gtk_label_new(msg);
782 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
783 hbox = gtk_hbox_new(FALSE, 0);
784 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
785 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
786 hbox, FALSE, FALSE, 20);
787 gtk_widget_show(text);
788 gtk_widget_show(hbox);
789 gtk_window_set_title(GTK_WINDOW(window), title);
790 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
796 assert(type == MB_YESNO);
797 titles = "Yes\0No\0";
804 button = gtk_button_new_with_label(titles);
805 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
806 button, FALSE, FALSE, 0);
807 gtk_widget_show(button);
809 GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
810 gtk_window_set_default(GTK_WINDOW(window), button);
813 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
814 GTK_SIGNAL_FUNC(win_key_press), button);
816 gtk_signal_connect(GTK_OBJECT(button), "clicked",
817 GTK_SIGNAL_FUNC(msgbox_button_clicked), window);
818 gtk_object_set_data(GTK_OBJECT(button), "user-data",
820 titles += strlen(titles)+1;
823 gtk_object_set_data(GTK_OBJECT(window), "user-data",
824 GINT_TO_POINTER(&i));
825 gtk_signal_connect(GTK_OBJECT(window), "destroy",
826 GTK_SIGNAL_FUNC(window_destroy), NULL);
827 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
828 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
829 /* set_transient_window_pos(parent, window); */
830 gtk_widget_show(window);
833 return (type == MB_YESNO ? i == 0 : TRUE);
836 void error_box(GtkWidget *parent, char *msg)
838 message_box(parent, "Error", msg, FALSE, MB_OK);
841 static void config_ok_button_clicked(GtkButton *button, gpointer data)
843 frontend *fe = (frontend *)data;
846 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
849 error_box(fe->cfgbox, err);
852 gtk_widget_destroy(fe->cfgbox);
857 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
859 frontend *fe = (frontend *)data;
861 gtk_widget_destroy(fe->cfgbox);
864 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
867 * GtkEntry has a nasty habit of eating the Return key, which
868 * is unhelpful since it doesn't actually _do_ anything with it
869 * (it calls gtk_widget_activate, but our edit boxes never need
870 * activating). So I catch Return before GtkEntry sees it, and
871 * pass it straight on to the parent widget. Effect: hitting
872 * Return in an edit box will now activate the default button
873 * in the dialog just like it will everywhere else.
875 if (event->keyval == GDK_Return && widget->parent != NULL) {
877 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
878 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
885 static void editbox_changed(GtkEditable *ed, gpointer data)
887 config_item *i = (config_item *)data;
890 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
893 static void button_toggled(GtkToggleButton *tb, gpointer data)
895 config_item *i = (config_item *)data;
897 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
900 static void droplist_sel(GtkMenuItem *item, gpointer data)
902 config_item *i = (config_item *)data;
904 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
908 static int get_config(frontend *fe, int which)
910 GtkWidget *w, *table, *cancel;
915 fe->cfg = midend_get_config(fe->me, which, &title);
916 fe->cfg_which = which;
919 fe->cfgbox = gtk_dialog_new();
920 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
923 w = gtk_button_new_with_label("OK");
924 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
927 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
928 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
929 gtk_signal_connect(GTK_OBJECT(w), "clicked",
930 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
932 w = gtk_button_new_with_label("Cancel");
933 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
936 gtk_signal_connect(GTK_OBJECT(w), "clicked",
937 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
940 table = gtk_table_new(1, 2, FALSE);
942 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
943 table, FALSE, FALSE, 0);
944 gtk_widget_show(table);
946 for (i = fe->cfg; i->type != C_END; i++) {
947 gtk_table_resize(GTK_TABLE(table), y+1, 2);
952 * Edit box with a label beside it.
955 w = gtk_label_new(i->name);
956 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
957 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
958 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
959 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
964 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
965 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
966 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
968 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
969 gtk_signal_connect(GTK_OBJECT(w), "changed",
970 GTK_SIGNAL_FUNC(editbox_changed), i);
971 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
972 GTK_SIGNAL_FUNC(editbox_key), NULL);
981 w = gtk_check_button_new_with_label(i->name);
982 gtk_signal_connect(GTK_OBJECT(w), "toggled",
983 GTK_SIGNAL_FUNC(button_toggled), i);
984 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
985 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
986 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
988 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
994 * Drop-down list (GtkOptionMenu).
997 w = gtk_label_new(i->name);
998 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
999 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
1000 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1001 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1005 w = gtk_option_menu_new();
1006 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1007 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1008 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1015 GtkWidget *menuitem;
1016 GtkWidget *menu = gtk_menu_new();
1018 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
1026 while (*q && *q != c)
1029 name = snewn(q-p+1, char);
1030 strncpy(name, p, q-p);
1033 if (*q) q++; /* eat delimiter */
1035 menuitem = gtk_menu_item_new_with_label(name);
1036 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1037 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1038 GINT_TO_POINTER(val));
1039 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1040 GTK_SIGNAL_FUNC(droplist_sel), i);
1041 gtk_widget_show(menuitem);
1048 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
1057 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
1058 GTK_SIGNAL_FUNC(window_destroy), NULL);
1059 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
1060 GTK_SIGNAL_FUNC(win_key_press), cancel);
1061 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1062 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1063 GTK_WINDOW(fe->window));
1064 /* set_transient_window_pos(fe->window, fe->cfgbox); */
1065 gtk_widget_show(fe->cfgbox);
1073 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1075 frontend *fe = (frontend *)data;
1076 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1078 if (!midend_process_key(fe->me, 0, 0, key))
1079 gtk_widget_destroy(fe->window);
1082 static void get_size(frontend *fe, int *px, int *py)
1087 * Currently I don't want to make the GTK port scale large
1088 * puzzles to fit on the screen. This is because X does permit
1089 * extremely large windows and many window managers provide a
1090 * means of navigating round them, and the users I consulted
1091 * before deciding said that they'd rather have enormous puzzle
1092 * windows spanning multiple screen pages than have them
1093 * shrunk. I could change my mind later or introduce
1094 * configurability; this would be the place to do so, by
1095 * replacing the initial values of x and y with the screen
1100 midend_size(fe->me, &x, &y, FALSE);
1105 #if !GTK_CHECK_VERSION(2,0,0)
1106 #define gtk_window_resize(win, x, y) \
1107 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1110 static void update_menuitem_bullet(GtkWidget *label, int visible)
1113 gtk_label_set_text(GTK_LABEL(label), "\xE2\x80\xA2");
1115 gtk_label_set_text(GTK_LABEL(label), "");
1120 * Called when any other code in this file has changed the
1121 * selected game parameters.
1123 static void changed_preset(frontend *fe)
1125 int n = midend_which_preset(fe->me);
1129 * Update the tick mark in the Type menu.
1131 if (fe->preset_bullets) {
1132 for (i = 0; i < fe->npresets; i++)
1133 update_menuitem_bullet(fe->preset_bullets[i], n == i);
1135 if (fe->preset_custom_bullet) {
1136 update_menuitem_bullet(fe->preset_custom_bullet, n < 0);
1140 * Update the greying on the Copy menu option.
1142 if (fe->copy_menu_item) {
1143 int enabled = midend_can_format_as_text_now(fe->me);
1144 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1148 static void resize_fe(frontend *fe)
1152 get_size(fe, &x, &y);
1155 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1158 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
1159 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
1162 * Now that we've established the preferred size of the window,
1163 * reduce the drawing area's size request so the user can shrink
1166 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1169 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1171 frontend *fe = (frontend *)data;
1172 game_params *params =
1173 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
1175 midend_set_params(fe->me, params);
1176 midend_new_game(fe->me);
1181 GdkAtom compound_text_atom, utf8_string_atom;
1182 int paste_initialised = FALSE;
1186 unsigned char empty[] = { 0 };
1188 if (paste_initialised)
1191 if (!compound_text_atom)
1192 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1193 if (!utf8_string_atom)
1194 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1197 * Ensure that all the cut buffers exist - according to the
1198 * ICCCM, we must do this before we start using cut buffers.
1200 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1201 XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
1202 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1203 XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
1204 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1205 XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
1206 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1207 XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
1208 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1209 XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
1210 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1211 XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
1212 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1213 XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
1214 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
1215 XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
1218 /* Store data in a cut-buffer. */
1219 void store_cutbuffer(char *ptr, int len)
1221 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1222 XRotateBuffers(GDK_DISPLAY(), 1);
1223 XStoreBytes(GDK_DISPLAY(), ptr, len);
1226 void write_clip(frontend *fe, char *data)
1231 sfree(fe->paste_data);
1234 * For this simple application we can safely assume that the
1235 * data passed to this function is pure ASCII, which means we
1236 * can return precisely the same stuff for types STRING,
1237 * COMPOUND_TEXT or UTF8_STRING.
1240 fe->paste_data = data;
1241 fe->paste_data_len = strlen(data);
1243 store_cutbuffer(fe->paste_data, fe->paste_data_len);
1245 if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
1247 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1248 GDK_SELECTION_TYPE_STRING, 1);
1249 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1250 compound_text_atom, 1);
1251 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1252 utf8_string_atom, 1);
1256 void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1257 guint info, guint time_stamp, gpointer data)
1259 frontend *fe = (frontend *)data;
1260 gtk_selection_data_set(seldata, seldata->target, 8,
1261 fe->paste_data, fe->paste_data_len);
1264 gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1267 frontend *fe = (frontend *)data;
1270 sfree(fe->paste_data);
1271 fe->paste_data = NULL;
1272 fe->paste_data_len = 0;
1276 static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1278 frontend *fe = (frontend *)data;
1281 text = midend_text_format(fe->me);
1284 write_clip(fe, text);
1290 static void filesel_ok(GtkButton *button, gpointer data)
1292 frontend *fe = (frontend *)data;
1294 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1297 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1299 fe->filesel_name = dupstr(name);
1302 static char *file_selector(frontend *fe, char *title, int save)
1304 GtkWidget *filesel =
1305 gtk_file_selection_new(title);
1307 fe->filesel_name = NULL;
1309 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1311 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1314 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1315 GTK_SIGNAL_FUNC(filesel_ok), fe);
1316 gtk_signal_connect_object
1317 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1318 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1319 gtk_signal_connect_object
1320 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1321 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1322 gtk_signal_connect(GTK_OBJECT(filesel), "destroy",
1323 GTK_SIGNAL_FUNC(window_destroy), NULL);
1324 gtk_widget_show(filesel);
1325 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
1328 return fe->filesel_name;
1331 struct savefile_write_ctx {
1336 static void savefile_write(void *wctx, void *buf, int len)
1338 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
1339 if (fwrite(buf, 1, len, ctx->fp) < len)
1343 static int savefile_read(void *wctx, void *buf, int len)
1345 FILE *fp = (FILE *)wctx;
1348 ret = fread(buf, 1, len, fp);
1349 return (ret == len);
1352 static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
1354 frontend *fe = (frontend *)data;
1357 name = file_selector(fe, "Enter name of game file to save", TRUE);
1362 if ((fp = fopen(name, "r")) != NULL) {
1363 char buf[256 + FILENAME_MAX];
1367 sprintf(buf, "Are you sure you want to overwrite the"
1369 FILENAME_MAX, name);
1370 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
1374 fp = fopen(name, "w");
1378 error_box(fe->window, "Unable to open save file");
1383 struct savefile_write_ctx ctx;
1386 midend_serialise(fe->me, savefile_write, &ctx);
1390 sprintf(boxmsg, "Error writing save file: %.400s",
1392 error_box(fe->window, boxmsg);
1400 static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
1402 frontend *fe = (frontend *)data;
1405 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
1408 FILE *fp = fopen(name, "r");
1412 error_box(fe->window, "Unable to open saved game file");
1416 err = midend_deserialise(fe->me, savefile_read, fp);
1421 error_box(fe->window, err);
1430 static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
1432 frontend *fe = (frontend *)data;
1435 msg = midend_solve(fe->me);
1438 error_box(fe->window, msg);
1441 static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
1443 frontend *fe = (frontend *)data;
1445 midend_restart_game(fe->me);
1448 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
1450 frontend *fe = (frontend *)data;
1451 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1454 if (!get_config(fe, which))
1457 midend_new_game(fe->me);
1461 static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
1463 frontend *fe = (frontend *)data;
1467 sprintf(titlebuf, "About %.200s", thegame.name);
1470 "from Simon Tatham's Portable Puzzle Collection\n\n"
1471 "%.500s", thegame.name, ver);
1473 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
1476 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
1477 char *text, int key)
1479 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
1481 gtk_container_add(cont, menuitem);
1482 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1483 GINT_TO_POINTER(key));
1484 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1485 GTK_SIGNAL_FUNC(menu_key_event), fe);
1486 switch (key & ~0x1F) {
1489 keyqual = GDK_CONTROL_MASK;
1493 keyqual = GDK_SHIFT_MASK;
1499 gtk_widget_add_accelerator(menuitem,
1500 "activate", fe->accelgroup,
1503 gtk_widget_show(menuitem);
1507 static void add_menu_separator(GtkContainer *cont)
1509 GtkWidget *menuitem = gtk_menu_item_new();
1510 gtk_container_add(cont, menuitem);
1511 gtk_widget_show(menuitem);
1514 enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
1516 static GtkWidget *make_preset_menuitem(GtkWidget **bulletlabel,
1519 GtkWidget *hbox, *lab1, *lab2, *menuitem;
1522 hbox = gtk_hbox_new(FALSE, 0);
1523 gtk_widget_show(hbox);
1524 lab1 = gtk_label_new("\xE2\x80\xA2 ");
1525 gtk_widget_show(lab1);
1526 gtk_box_pack_start(GTK_BOX(hbox), lab1, FALSE, FALSE, 0);
1527 gtk_misc_set_alignment(GTK_MISC(lab1), 0.0, 0.0);
1528 lab2 = gtk_label_new(name);
1529 gtk_widget_show(lab2);
1530 gtk_box_pack_start(GTK_BOX(hbox), lab2, TRUE, TRUE, 0);
1531 gtk_misc_set_alignment(GTK_MISC(lab2), 0.0, 0.0);
1533 gtk_widget_size_request(lab1, &req);
1534 gtk_widget_set_usize(lab1, req.width, -1);
1535 gtk_label_set_text(GTK_LABEL(lab1), "");
1537 menuitem = gtk_menu_item_new();
1538 gtk_container_add(GTK_CONTAINER(menuitem), hbox);
1540 *bulletlabel = lab1;
1544 static frontend *new_window(char *arg, int argtype, char **error)
1548 GtkWidget *menubar, *menu, *menuitem;
1553 extern char *const *const xpm_icons[];
1554 extern const int n_xpm_icons;
1556 fe = snew(frontend);
1558 fe->timer_active = FALSE;
1561 fe->me = midend_new(fe, &thegame, >k_drawing, fe);
1571 err = midend_game_id(fe->me, arg);
1573 midend_new_game(fe->me);
1575 sprintf(errbuf, "Invalid game ID: %.800s", err);
1578 fp = fopen(arg, "r");
1580 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
1582 err = midend_deserialise(fe->me, savefile_read, fp);
1584 sprintf(errbuf, "Invalid save file: %.800s", err);
1588 default /*case ARG_EITHER*/:
1590 * First try treating the argument as a game ID.
1592 err = midend_game_id(fe->me, arg);
1595 * It's a valid game ID.
1597 midend_new_game(fe->me);
1599 FILE *fp = fopen(arg, "r");
1601 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
1602 " nor a save file (%.400s)", err, strerror(errno));
1604 err = midend_deserialise(fe->me, savefile_read, fp);
1606 sprintf(errbuf, "%.800s", err);
1613 *error = dupstr(errbuf);
1614 midend_free(fe->me);
1620 midend_new_game(fe->me);
1623 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1624 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
1626 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
1627 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
1628 gtk_widget_show(GTK_WIDGET(vbox));
1630 fe->accelgroup = gtk_accel_group_new();
1631 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
1633 menubar = gtk_menu_bar_new();
1634 gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
1635 gtk_widget_show(menubar);
1637 menuitem = gtk_menu_item_new_with_label("Game");
1638 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1639 gtk_widget_show(menuitem);
1641 menu = gtk_menu_new();
1642 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1644 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
1646 menuitem = gtk_menu_item_new_with_label("Restart");
1647 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1648 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1649 GTK_SIGNAL_FUNC(menu_restart_event), fe);
1650 gtk_widget_show(menuitem);
1652 menuitem = gtk_menu_item_new_with_label("Specific...");
1653 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1654 GINT_TO_POINTER(CFG_DESC));
1655 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1656 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1657 GTK_SIGNAL_FUNC(menu_config_event), fe);
1658 gtk_widget_show(menuitem);
1660 menuitem = gtk_menu_item_new_with_label("Random Seed...");
1661 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1662 GINT_TO_POINTER(CFG_SEED));
1663 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1664 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1665 GTK_SIGNAL_FUNC(menu_config_event), fe);
1666 gtk_widget_show(menuitem);
1668 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
1672 menuitem = gtk_menu_item_new_with_label("Type");
1673 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1674 gtk_widget_show(menuitem);
1676 submenu = gtk_menu_new();
1677 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
1680 fe->preset_bullets = snewn(n, GtkWidget *);
1682 for (i = 0; i < n; i++) {
1684 game_params *params;
1686 midend_fetch_preset(fe->me, i, &name, ¶ms);
1688 menuitem = make_preset_menuitem(&fe->preset_bullets[i], name);
1690 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1691 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
1692 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1693 GTK_SIGNAL_FUNC(menu_preset_event), fe);
1694 gtk_widget_show(menuitem);
1697 if (thegame.can_configure) {
1698 menuitem = make_preset_menuitem(&fe->preset_custom_bullet,
1701 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1702 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1703 GPOINTER_TO_INT(CFG_SETTINGS));
1704 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1705 GTK_SIGNAL_FUNC(menu_config_event), fe);
1706 gtk_widget_show(menuitem);
1708 fe->preset_custom_bullet = NULL;
1712 fe->preset_bullets = NULL;
1713 fe->preset_custom_bullet = NULL;
1716 add_menu_separator(GTK_CONTAINER(menu));
1717 menuitem = gtk_menu_item_new_with_label("Load...");
1718 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1719 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1720 GTK_SIGNAL_FUNC(menu_load_event), fe);
1721 gtk_widget_show(menuitem);
1722 menuitem = gtk_menu_item_new_with_label("Save...");
1723 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1724 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1725 GTK_SIGNAL_FUNC(menu_save_event), fe);
1726 gtk_widget_show(menuitem);
1727 add_menu_separator(GTK_CONTAINER(menu));
1728 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
1729 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
1730 if (thegame.can_format_as_text_ever) {
1731 add_menu_separator(GTK_CONTAINER(menu));
1732 menuitem = gtk_menu_item_new_with_label("Copy");
1733 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1734 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1735 GTK_SIGNAL_FUNC(menu_copy_event), fe);
1736 gtk_widget_show(menuitem);
1737 fe->copy_menu_item = menuitem;
1739 fe->copy_menu_item = NULL;
1741 if (thegame.can_solve) {
1742 add_menu_separator(GTK_CONTAINER(menu));
1743 menuitem = gtk_menu_item_new_with_label("Solve");
1744 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1745 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1746 GTK_SIGNAL_FUNC(menu_solve_event), fe);
1747 gtk_widget_show(menuitem);
1749 add_menu_separator(GTK_CONTAINER(menu));
1750 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
1752 menuitem = gtk_menu_item_new_with_label("Help");
1753 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1754 gtk_widget_show(menuitem);
1756 menu = gtk_menu_new();
1757 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1759 menuitem = gtk_menu_item_new_with_label("About");
1760 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1761 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1762 GTK_SIGNAL_FUNC(menu_about_event), fe);
1763 gtk_widget_show(menuitem);
1772 fe->colmap = gdk_colormap_get_system();
1773 colours = midend_colours(fe->me, &ncolours);
1774 fe->ncolours = ncolours;
1775 fe->colours = snewn(ncolours, GdkColor);
1776 for (i = 0; i < ncolours; i++) {
1777 fe->colours[i].red = colours[i*3] * 0xFFFF;
1778 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
1779 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
1781 success = snewn(ncolours, gboolean);
1782 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
1783 FALSE, FALSE, success);
1784 for (i = 0; i < ncolours; i++) {
1786 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1787 i, fe->colours[i].red >> 8,
1788 fe->colours[i].green >> 8,
1789 fe->colours[i].blue >> 8);
1794 if (midend_wants_statusbar(fe->me)) {
1795 GtkWidget *viewport;
1798 viewport = gtk_viewport_new(NULL, NULL);
1799 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
1800 fe->statusbar = gtk_statusbar_new();
1801 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
1802 gtk_widget_show(viewport);
1803 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
1804 gtk_widget_show(fe->statusbar);
1805 fe->statusctx = gtk_statusbar_get_context_id
1806 (GTK_STATUSBAR(fe->statusbar), "game");
1807 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
1809 gtk_widget_size_request(fe->statusbar, &req);
1811 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1813 gtk_widget_set_usize(viewport, -1, req.height);
1815 fe->statusbar = NULL;
1817 fe->area = gtk_drawing_area_new();
1818 get_size(fe, &x, &y);
1819 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1823 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
1827 fe->nfonts = fe->fontsize = 0;
1829 fe->paste_data = NULL;
1830 fe->paste_data_len = 0;
1832 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
1833 GTK_SIGNAL_FUNC(destroy), fe);
1834 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
1835 GTK_SIGNAL_FUNC(key_event), fe);
1836 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
1837 GTK_SIGNAL_FUNC(button_event), fe);
1838 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
1839 GTK_SIGNAL_FUNC(button_event), fe);
1840 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
1841 GTK_SIGNAL_FUNC(motion_event), fe);
1842 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
1843 GTK_SIGNAL_FUNC(selection_get), fe);
1844 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
1845 GTK_SIGNAL_FUNC(selection_clear), fe);
1846 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
1847 GTK_SIGNAL_FUNC(expose_area), fe);
1848 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
1849 GTK_SIGNAL_FUNC(map_window), fe);
1850 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
1851 GTK_SIGNAL_FUNC(configure_area), fe);
1853 gtk_widget_add_events(GTK_WIDGET(fe->area),
1854 GDK_BUTTON_PRESS_MASK |
1855 GDK_BUTTON_RELEASE_MASK |
1856 GDK_BUTTON_MOTION_MASK);
1859 gtk_widget_realize(fe->window);
1860 iconpm = gdk_pixmap_create_from_xpm_d(fe->window->window, NULL,
1861 NULL, (gchar **)xpm_icons[0]);
1862 gdk_window_set_icon(fe->window->window, NULL, iconpm, NULL);
1864 for (n = 0; n < n_xpm_icons; n++) {
1866 g_list_append(iconlist,
1867 gdk_pixbuf_new_from_xpm_data((const gchar **)
1870 gdk_window_set_icon_list(fe->window->window, iconlist);
1873 gtk_widget_show(fe->area);
1874 gtk_widget_show(fe->window);
1877 * Now that we've established the preferred size of the window,
1878 * reduce the drawing area's size request so the user can shrink
1881 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1883 gdk_window_set_background(fe->area->window, &fe->colours[0]);
1884 gdk_window_set_background(fe->window->window, &fe->colours[0]);
1889 char *fgetline(FILE *fp)
1891 char *ret = snewn(512, char);
1892 int size = 512, len = 0;
1893 while (fgets(ret + len, size - len, fp)) {
1894 len += strlen(ret + len);
1895 if (ret[len-1] == '\n')
1896 break; /* got a newline, we're done */
1898 ret = sresize(ret, size, char);
1900 if (len == 0) { /* first fgets returned NULL */
1908 int main(int argc, char **argv)
1910 char *pname = argv[0];
1912 int ngenerate = 0, print = FALSE, px = 1, py = 1;
1913 int soln = FALSE, colour = FALSE;
1915 float redo_proportion = 0.0F;
1916 char *savefile = NULL, *savesuffix = NULL;
1918 int argtype = ARG_EITHER;
1919 char *screenshot_file = NULL;
1920 int doing_opts = TRUE;
1926 * Command line parsing in this function is rather fiddly,
1927 * because GTK wants to have a go at argc/argv _first_ - and
1928 * yet we can't let it, because gtk_init() will bomb out if it
1929 * can't open an X display, whereas in fact we want to permit
1930 * our --generate and --print modes to run without an X
1934 * - we parse the command line ourselves, without modifying
1936 * - if we encounter an error which might plausibly be the
1937 * result of a GTK command line (i.e. not detailed errors in
1938 * particular options of ours) we store the error message
1939 * and terminate parsing.
1940 * - if we got enough out of the command line to know it
1941 * specifies a non-X mode of operation, we either display
1942 * the stored error and return failure, or if there is no
1943 * stored error we do the non-X operation and return
1945 * - otherwise, we go straight to gtk_init().
1951 if (doing_opts && !strcmp(p, "--version")) {
1952 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
1955 } else if (doing_opts && !strcmp(p, "--generate")) {
1957 ngenerate = atoi(*++av);
1959 fprintf(stderr, "%s: '--generate' expected a number\n",
1965 } else if (doing_opts && !strcmp(p, "--save")) {
1969 fprintf(stderr, "%s: '--save' expected a filename\n",
1973 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
1974 !strcmp(p, "--savesuffix"))) {
1978 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
1982 } else if (doing_opts && !strcmp(p, "--print")) {
1983 if (!thegame.can_print) {
1984 fprintf(stderr, "%s: this game does not support printing\n",
1991 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
1992 fprintf(stderr, "%s: unable to parse argument '%s' to "
1993 "'--print'\n", pname, dim);
1999 } else if (doing_opts && !strcmp(p, "--scale")) {
2001 scale = atof(*++av);
2003 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2007 } else if (doing_opts && !strcmp(p, "--redo")) {
2009 * This is an internal option which I don't expect
2010 * users to have any particular use for. The effect of
2011 * --redo is that once the game has been loaded and
2012 * initialised, the next move in the redo chain is
2013 * replayed, and the game screen is redrawn part way
2014 * through the making of the move. This is only
2015 * meaningful if there _is_ a next move in the redo
2016 * chain, which means in turn that this option is only
2017 * useful if you're also passing a save file on the
2020 * This option is used by the script which generates
2021 * the puzzle icons and website screenshots, and I
2022 * don't imagine it's useful for anything else.
2023 * (Unless, I suppose, users don't like my screenshots
2024 * and want to generate their own in the same way for
2025 * some repackaged version of the puzzles.)
2028 redo_proportion = atof(*++av);
2030 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
2034 } else if (doing_opts && !strcmp(p, "--screenshot")) {
2036 * Another internal option for the icon building
2037 * script. This causes a screenshot of the central
2038 * drawing area (i.e. not including the menu bar or
2039 * status bar) to be saved to a PNG file once the
2040 * window has been drawn, and then the application
2041 * quits immediately.
2044 screenshot_file = *++av;
2046 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
2050 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
2051 !strcmp(p, "--with-solution") ||
2052 !strcmp(p, "--with-solns") ||
2053 !strcmp(p, "--with-soln") ||
2054 !strcmp(p, "--solutions") ||
2055 !strcmp(p, "--solution") ||
2056 !strcmp(p, "--solns") ||
2057 !strcmp(p, "--soln"))) {
2059 } else if (doing_opts && !strcmp(p, "--colour")) {
2060 if (!thegame.can_print_in_colour) {
2061 fprintf(stderr, "%s: this game does not support colour"
2062 " printing\n", pname);
2066 } else if (doing_opts && !strcmp(p, "--load")) {
2068 } else if (doing_opts && !strcmp(p, "--game")) {
2070 } else if (doing_opts && !strcmp(p, "--")) {
2072 } else if (!doing_opts || p[0] != '-') {
2074 fprintf(stderr, "%s: more than one argument supplied\n",
2080 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
2087 fputs(errbuf, stderr);
2092 * Special standalone mode for generating puzzle IDs on the
2093 * command line. Useful for generating puzzles to be printed
2094 * out and solved offline (for puzzles where that even makes
2095 * sense - Solo, for example, is a lot more pencil-and-paper
2096 * friendly than Twiddle!)
2100 * <puzzle-name> --generate [<n> [<params>]]
2102 * <n>, if present, is the number of puzzle IDs to generate.
2103 * <params>, if present, is the same type of parameter string
2104 * you would pass to the puzzle when running it in GUI mode,
2105 * including optional extras such as the expansion factor in
2106 * Rectangles and the difficulty level in Solo.
2108 * If you specify <params>, you must also specify <n> (although
2109 * you may specify it to be 1). Sorry; that was the
2110 * simplest-to-parse command-line syntax I came up with.
2112 if (ngenerate > 0 || print || savefile || savesuffix) {
2116 document *doc = NULL;
2120 me = midend_new(NULL, &thegame, NULL, NULL);
2123 if (savefile && !savesuffix)
2125 if (!savefile && savesuffix)
2129 doc = document_new(px, py, scale);
2132 * In this loop, we either generate a game ID or read one
2133 * from stdin depending on whether we're in generate mode;
2134 * then we either write it to stdout or print it, depending
2135 * on whether we're in print mode. Thus, this loop handles
2136 * generate-to-stdout, print-from-stdin and generate-and-
2137 * immediately-print modes.
2139 * (It could also handle a copy-stdin-to-stdout mode,
2140 * although there's currently no combination of options
2141 * which will cause this loop to be activated in that mode.
2142 * It wouldn't be _entirely_ pointless, though, because
2143 * stdin could contain bare params strings or random-seed
2144 * IDs, and stdout would contain nothing but fully
2145 * generated descriptive game IDs.)
2147 while (ngenerate == 0 || i < n) {
2150 if (ngenerate == 0) {
2151 pstr = fgetline(stdin);
2154 pstr[strcspn(pstr, "\r\n")] = '\0';
2157 pstr = snewn(strlen(arg) + 40, char);
2160 if (i > 0 && strchr(arg, '#'))
2161 sprintf(pstr + strlen(pstr), "-%d", i);
2167 err = midend_game_id(me, pstr);
2169 fprintf(stderr, "%s: error parsing '%s': %s\n",
2176 midend_new_game(me);
2179 err = midend_print_puzzle(me, doc, soln);
2181 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
2186 struct savefile_write_ctx ctx;
2187 char *realname = snewn(40 + strlen(savefile) +
2188 strlen(savesuffix), char);
2189 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
2190 ctx.fp = fopen(realname, "w");
2192 fprintf(stderr, "%s: open: %s\n", realname,
2197 midend_serialise(me, savefile_write, &ctx);
2199 fprintf(stderr, "%s: write: %s\n", realname,
2200 strerror(ctx.error));
2203 if (fclose(ctx.fp)) {
2204 fprintf(stderr, "%s: close: %s\n", realname,
2209 if (!doc && !savefile) {
2210 id = midend_get_game_id(me);
2219 psdata *ps = ps_init(stdout, colour);
2220 document_print(doc, ps_drawing_api(ps));
2231 gtk_init(&argc, &argv);
2233 fe = new_window(arg, argtype, &error);
2236 fprintf(stderr, "%s: %s\n", pname, error);
2240 if (screenshot_file) {
2242 * Some puzzles will not redraw their entire area if
2243 * given a partially completed animation, which means
2244 * we must redraw now and _then_ redraw again after
2245 * freezing the move timer.
2247 midend_force_redraw(fe->me);
2250 if (redo_proportion) {
2252 midend_process_key(fe->me, 0, 0, 'r');
2253 /* And freeze the timer at the specified position. */
2254 midend_freeze_timer(fe->me, redo_proportion);
2257 if (screenshot_file) {
2259 GError *gerror = NULL;
2261 midend_redraw(fe->me);
2263 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
2264 NULL, 0, 0, 0, 0, -1, -1);
2265 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);