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HACKING should be in .cvsignore.
[sgt/puzzles] / gtk.c
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720a8fb7 1/*
2 * gtk.c: GTK front end for my puzzle collection.
3 */
4
5#include <stdio.h>
fd1a1a2b 6#include <assert.h>
720a8fb7 7#include <stdlib.h>
2ef96bd6 8#include <time.h>
720a8fb7 9#include <stdarg.h>
c8230524 10#include <string.h>
720a8fb7 11
8c1fd974 12#include <sys/time.h>
13
83680571 14#include <gtk/gtk.h>
1482ee76 15#include <gdk/gdkkeysyms.h>
83680571 16
720a8fb7 17#include "puzzles.h"
18
83680571 19/* ----------------------------------------------------------------------
20 * Error reporting functions used elsewhere.
21 */
22
720a8fb7 23void fatal(char *fmt, ...)
24{
25 va_list ap;
26
27 fprintf(stderr, "fatal error: ");
28
29 va_start(ap, fmt);
30 vfprintf(stderr, fmt, ap);
31 va_end(ap);
32
33 fprintf(stderr, "\n");
34 exit(1);
35}
83680571 36
37/* ----------------------------------------------------------------------
38 * GTK front end to puzzles.
39 */
40
4efb3868 41struct font {
42 GdkFont *font;
43 int type;
44 int size;
45};
46
83680571 47/*
48 * This structure holds all the data relevant to a single window.
49 * In principle this would allow us to open multiple independent
50 * puzzle windows, although I can't currently see any real point in
51 * doing so. I'm just coding cleanly because there's no
52 * particularly good reason not to.
53 */
2ef96bd6 54struct frontend {
83680571 55 GtkWidget *window;
7f77ea24 56 GtkWidget *area;
fd1a1a2b 57 GtkWidget *statusbar;
58 guint statusctx;
2ef96bd6 59 GdkPixmap *pixmap;
60 GdkColor *colours;
61 int ncolours;
62 GdkColormap *colmap;
63 int w, h;
7f77ea24 64 midend_data *me;
2ef96bd6 65 GdkGC *gc;
66 int bbox_l, bbox_r, bbox_u, bbox_d;
20ee89e3 67 int timer_active, timer_id;
8c1fd974 68 struct timeval last_time;
4efb3868 69 struct font *fonts;
70 int nfonts, fontsize;
c8230524 71 config_item *cfg;
5928817c 72 int cfg_which, cfgret;
c8230524 73 GtkWidget *cfgbox;
83680571 74};
75
2ef96bd6 76void frontend_default_colour(frontend *fe, float *output)
77{
78 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
79 output[0] = col.red / 65535.0;
80 output[1] = col.green / 65535.0;
81 output[2] = col.blue / 65535.0;
82}
83
fd1a1a2b 84void status_bar(frontend *fe, char *text)
85{
86 assert(fe->statusbar);
87
88 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
89 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
90}
91
2ef96bd6 92void start_draw(frontend *fe)
93{
94 fe->gc = gdk_gc_new(fe->area->window);
95 fe->bbox_l = fe->w;
96 fe->bbox_r = 0;
97 fe->bbox_u = fe->h;
98 fe->bbox_d = 0;
99}
100
4efb3868 101void clip(frontend *fe, int x, int y, int w, int h)
102{
103 GdkRectangle rect;
104
105 rect.x = x;
106 rect.y = y;
107 rect.width = w;
108 rect.height = h;
109
110 gdk_gc_set_clip_rectangle(fe->gc, &rect);
111}
112
113void unclip(frontend *fe)
114{
115 GdkRectangle rect;
116
117 rect.x = 0;
118 rect.y = 0;
119 rect.width = fe->w;
120 rect.height = fe->h;
121
122 gdk_gc_set_clip_rectangle(fe->gc, &rect);
123}
124
125void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
126 int align, int colour, char *text)
127{
128 int i;
129
130 /*
131 * Find or create the font.
132 */
133 for (i = 0; i < fe->nfonts; i++)
134 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
135 break;
136
137 if (i == fe->nfonts) {
138 if (fe->fontsize <= fe->nfonts) {
139 fe->fontsize = fe->nfonts + 10;
140 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
141 }
142
143 fe->nfonts++;
144
145 fe->fonts[i].type = fonttype;
146 fe->fonts[i].size = fontsize;
147
148 /*
149 * FIXME: Really I should make at least _some_ effort to
150 * pick the correct font.
151 */
152 fe->fonts[i].font = gdk_font_load("variable");
153 }
154
155 /*
156 * Find string dimensions and process alignment.
157 */
158 {
159 int lb, rb, wid, asc, desc;
160
161 gdk_string_extents(fe->fonts[i].font, text,
162 &lb, &rb, &wid, &asc, &desc);
163 if (align & ALIGN_VCENTRE)
164 y += asc - (asc+desc)/2;
165
166 if (align & ALIGN_HCENTRE)
167 x -= wid / 2;
168 else if (align & ALIGN_HRIGHT)
169 x -= wid;
170
171 }
172
173 /*
174 * Set colour and actually draw text.
175 */
176 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
177 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
178}
179
2ef96bd6 180void draw_rect(frontend *fe, int x, int y, int w, int h, int colour)
181{
182 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
183 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
184}
185
186void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour)
187{
188 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
189 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
190}
191
192void draw_polygon(frontend *fe, int *coords, int npoints,
193 int fill, int colour)
194{
195 GdkPoint *points = snewn(npoints, GdkPoint);
196 int i;
197
198 for (i = 0; i < npoints; i++) {
199 points[i].x = coords[i*2];
200 points[i].y = coords[i*2+1];
201 }
202
203 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
204 gdk_draw_polygon(fe->pixmap, fe->gc, fill, points, npoints);
205
206 sfree(points);
207}
208
209void draw_update(frontend *fe, int x, int y, int w, int h)
210{
211 if (fe->bbox_l > x ) fe->bbox_l = x ;
212 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
213 if (fe->bbox_u > y ) fe->bbox_u = y ;
214 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
215}
216
217void end_draw(frontend *fe)
218{
219 gdk_gc_unref(fe->gc);
220 fe->gc = NULL;
221
222 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
223 gdk_draw_pixmap(fe->area->window,
224 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
225 fe->pixmap,
226 fe->bbox_l, fe->bbox_u,
227 fe->bbox_l, fe->bbox_u,
228 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
229 }
230}
231
83680571 232static void destroy(GtkWidget *widget, gpointer data)
233{
234 gtk_main_quit();
235}
236
2ef96bd6 237static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
7f77ea24 238{
2ef96bd6 239 frontend *fe = (frontend *)data;
1482ee76 240 int keyval;
7f77ea24 241
2ef96bd6 242 if (!fe->pixmap)
243 return TRUE;
7f77ea24 244
1482ee76 245 if (event->string[0] && !event->string[1])
246 keyval = (unsigned char)event->string[0];
c71454c0 247 else if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
248 event->keyval == GDK_KP_8)
1482ee76 249 keyval = CURSOR_UP;
c71454c0 250 else if (event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
251 event->keyval == GDK_KP_2)
1482ee76 252 keyval = CURSOR_DOWN;
c71454c0 253 else if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left ||
254 event->keyval == GDK_KP_4)
1482ee76 255 keyval = CURSOR_LEFT;
c71454c0 256 else if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right ||
257 event->keyval == GDK_KP_6)
1482ee76 258 keyval = CURSOR_RIGHT;
c71454c0 259 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
260 keyval = CURSOR_UP_LEFT;
261 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
262 keyval = CURSOR_DOWN_LEFT;
263 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
264 keyval = CURSOR_UP_RIGHT;
265 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
266 keyval = CURSOR_DOWN_RIGHT;
1482ee76 267 else
268 keyval = -1;
269
270 if (keyval >= 0 &&
271 !midend_process_key(fe->me, 0, 0, keyval))
2ef96bd6 272 gtk_widget_destroy(fe->window);
7f77ea24 273
274 return TRUE;
275}
276
2ef96bd6 277static gint button_event(GtkWidget *widget, GdkEventButton *event,
278 gpointer data)
7f77ea24 279{
2ef96bd6 280 frontend *fe = (frontend *)data;
281 int button;
282
283 if (!fe->pixmap)
284 return TRUE;
285
74a4e547 286 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
2ef96bd6 287 return TRUE;
7f77ea24 288
b0f06719 289 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
2ef96bd6 290 button = MIDDLE_BUTTON;
b0f06719 291 else if (event->button == 1)
292 button = LEFT_BUTTON;
2ef96bd6 293 else if (event->button == 3)
294 button = RIGHT_BUTTON;
295 else
296 return FALSE; /* don't even know what button! */
297
74a4e547 298 if (event->type == GDK_BUTTON_RELEASE)
299 button += LEFT_RELEASE - LEFT_BUTTON;
300
301 if (!midend_process_key(fe->me, event->x, event->y, button))
302 gtk_widget_destroy(fe->window);
303
304 return TRUE;
305}
306
307static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
308 gpointer data)
309{
310 frontend *fe = (frontend *)data;
311 int button;
312
313 if (!fe->pixmap)
314 return TRUE;
315
74a4e547 316 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
317 button = MIDDLE_DRAG;
318 else if (event->state & GDK_BUTTON1_MASK)
319 button = LEFT_DRAG;
320 else if (event->state & GDK_BUTTON3_MASK)
321 button = RIGHT_DRAG;
322 else
323 return FALSE; /* don't even know what button! */
324
2ef96bd6 325 if (!midend_process_key(fe->me, event->x, event->y, button))
326 gtk_widget_destroy(fe->window);
7f77ea24 327
328 return TRUE;
329}
330
2ef96bd6 331static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
332 gpointer data)
83680571 333{
2ef96bd6 334 frontend *fe = (frontend *)data;
335
336 if (fe->pixmap) {
337 gdk_draw_pixmap(widget->window,
338 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
339 fe->pixmap,
340 event->area.x, event->area.y,
341 event->area.x, event->area.y,
342 event->area.width, event->area.height);
343 }
344 return TRUE;
345}
346
fd1a1a2b 347static gint map_window(GtkWidget *widget, GdkEvent *event,
348 gpointer data)
349{
350 frontend *fe = (frontend *)data;
351
352 /*
353 * Apparently we need to do this because otherwise the status
354 * bar will fail to update immediately. Annoying, but there we
355 * go.
356 */
357 gtk_widget_queue_draw(fe->window);
358
359 return TRUE;
360}
361
2ef96bd6 362static gint configure_area(GtkWidget *widget,
363 GdkEventConfigure *event, gpointer data)
364{
365 frontend *fe = (frontend *)data;
366 GdkGC *gc;
367
eb2ad6f1 368 if (fe->pixmap)
369 gdk_pixmap_unref(fe->pixmap);
370
2ef96bd6 371 fe->pixmap = gdk_pixmap_new(widget->window, fe->w, fe->h, -1);
372
373 gc = gdk_gc_new(fe->area->window);
374 gdk_gc_set_foreground(gc, &fe->colours[0]);
375 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->w, fe->h);
376 gdk_gc_unref(gc);
377
378 midend_redraw(fe->me);
379
380 return TRUE;
381}
382
383static gint timer_func(gpointer data)
384{
385 frontend *fe = (frontend *)data;
386
8c1fd974 387 if (fe->timer_active) {
388 struct timeval now;
389 float elapsed;
390 gettimeofday(&now, NULL);
391 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
392 (now.tv_sec - fe->last_time.tv_sec));
393 midend_timer(fe->me, elapsed); /* may clear timer_active */
394 fe->last_time = now;
395 }
2ef96bd6 396
397 return fe->timer_active;
398}
399
400void deactivate_timer(frontend *fe)
401{
20ee89e3 402 if (fe->timer_active)
403 gtk_timeout_remove(fe->timer_id);
2ef96bd6 404 fe->timer_active = FALSE;
405}
406
407void activate_timer(frontend *fe)
408{
8c1fd974 409 if (!fe->timer_active) {
20ee89e3 410 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
8c1fd974 411 gettimeofday(&fe->last_time, NULL);
412 }
2ef96bd6 413 fe->timer_active = TRUE;
414}
415
c8230524 416static void window_destroy(GtkWidget *widget, gpointer data)
417{
418 gtk_main_quit();
419}
420
421static void errmsg_button_clicked(GtkButton *button, gpointer data)
422{
423 gtk_widget_destroy(GTK_WIDGET(data));
424}
425
a163b7c2 426static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
427{
428 GtkObject *cancelbutton = GTK_OBJECT(data);
429
430 /*
431 * `Escape' effectively clicks the cancel button
432 */
433 if (event->keyval == GDK_Escape) {
434 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
435 return TRUE;
436 }
437
438 return FALSE;
439}
440
c8230524 441void error_box(GtkWidget *parent, char *msg)
442{
443 GtkWidget *window, *hbox, *text, *ok;
444
445 window = gtk_dialog_new();
446 text = gtk_label_new(msg);
447 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
448 hbox = gtk_hbox_new(FALSE, 0);
449 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
450 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
451 hbox, FALSE, FALSE, 20);
452 gtk_widget_show(text);
453 gtk_widget_show(hbox);
454 gtk_window_set_title(GTK_WINDOW(window), "Error");
455 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
456 ok = gtk_button_new_with_label("OK");
457 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
458 ok, FALSE, FALSE, 0);
459 gtk_widget_show(ok);
460 GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT);
461 gtk_window_set_default(GTK_WINDOW(window), ok);
462 gtk_signal_connect(GTK_OBJECT(ok), "clicked",
463 GTK_SIGNAL_FUNC(errmsg_button_clicked), window);
a163b7c2 464 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
465 GTK_SIGNAL_FUNC(win_key_press), ok);
c8230524 466 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
467 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
468 //set_transient_window_pos(parent, window);
469 gtk_widget_show(window);
470 gtk_main();
471}
472
473static void config_ok_button_clicked(GtkButton *button, gpointer data)
474{
475 frontend *fe = (frontend *)data;
476 char *err;
477
5928817c 478 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
c8230524 479
480 if (err)
481 error_box(fe->cfgbox, err);
482 else {
483 fe->cfgret = TRUE;
484 gtk_widget_destroy(fe->cfgbox);
485 }
486}
487
488static void config_cancel_button_clicked(GtkButton *button, gpointer data)
489{
490 frontend *fe = (frontend *)data;
491
492 gtk_widget_destroy(fe->cfgbox);
493}
494
a163b7c2 495static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
496{
497 /*
498 * GtkEntry has a nasty habit of eating the Return key, which
499 * is unhelpful since it doesn't actually _do_ anything with it
500 * (it calls gtk_widget_activate, but our edit boxes never need
501 * activating). So I catch Return before GtkEntry sees it, and
502 * pass it straight on to the parent widget. Effect: hitting
503 * Return in an edit box will now activate the default button
504 * in the dialog just like it will everywhere else.
505 */
506 if (event->keyval == GDK_Return && widget->parent != NULL) {
507 gint return_val;
508 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
509 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
510 event, &return_val);
511 return return_val;
512 }
513 return FALSE;
514}
515
c8230524 516static void editbox_changed(GtkEditable *ed, gpointer data)
517{
518 config_item *i = (config_item *)data;
519
520 sfree(i->sval);
521 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
522}
523
524static void button_toggled(GtkToggleButton *tb, gpointer data)
525{
526 config_item *i = (config_item *)data;
527
528 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
529}
530
531static void droplist_sel(GtkMenuItem *item, gpointer data)
532{
533 config_item *i = (config_item *)data;
534
535 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
536 "user-data"));
537}
538
5928817c 539static int get_config(frontend *fe, int which)
c8230524 540{
a163b7c2 541 GtkWidget *w, *table, *cancel;
5928817c 542 char *title;
c8230524 543 config_item *i;
544 int y;
545
5928817c 546 fe->cfg = midend_get_config(fe->me, which, &title);
547 fe->cfg_which = which;
c8230524 548 fe->cfgret = FALSE;
549
550 fe->cfgbox = gtk_dialog_new();
5928817c 551 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
552 sfree(title);
c8230524 553
554 w = gtk_button_new_with_label("OK");
555 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
556 w, FALSE, FALSE, 0);
557 gtk_widget_show(w);
558 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
559 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
560 gtk_signal_connect(GTK_OBJECT(w), "clicked",
561 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
562
563 w = gtk_button_new_with_label("Cancel");
564 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
565 w, FALSE, FALSE, 0);
566 gtk_widget_show(w);
567 gtk_signal_connect(GTK_OBJECT(w), "clicked",
568 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
a163b7c2 569 cancel = w;
c8230524 570
571 table = gtk_table_new(1, 2, FALSE);
572 y = 0;
573 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
574 table, FALSE, FALSE, 0);
575 gtk_widget_show(table);
576
95709966 577 for (i = fe->cfg; i->type != C_END; i++) {
c8230524 578 gtk_table_resize(GTK_TABLE(table), y+1, 2);
579
580 switch (i->type) {
95709966 581 case C_STRING:
c8230524 582 /*
583 * Edit box with a label beside it.
584 */
585
586 w = gtk_label_new(i->name);
587 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
588 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
589 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
590 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
591 3, 3);
592 gtk_widget_show(w);
593
594 w = gtk_entry_new();
595 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
596 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
597 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
598 3, 3);
599 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
600 gtk_signal_connect(GTK_OBJECT(w), "changed",
601 GTK_SIGNAL_FUNC(editbox_changed), i);
a163b7c2 602 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
603 GTK_SIGNAL_FUNC(editbox_key), NULL);
c8230524 604 gtk_widget_show(w);
605
606 break;
607
95709966 608 case C_BOOLEAN:
c8230524 609 /*
610 * Simple checkbox.
611 */
612 w = gtk_check_button_new_with_label(i->name);
613 gtk_signal_connect(GTK_OBJECT(w), "toggled",
614 GTK_SIGNAL_FUNC(button_toggled), i);
615 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
616 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
617 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
618 3, 3);
619 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
620 gtk_widget_show(w);
621 break;
622
95709966 623 case C_CHOICES:
c8230524 624 /*
625 * Drop-down list (GtkOptionMenu).
626 */
627
628 w = gtk_label_new(i->name);
629 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
630 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
631 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
632 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
633 3, 3);
634 gtk_widget_show(w);
635
636 w = gtk_option_menu_new();
637 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
638 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
639 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
640 3, 3);
641 gtk_widget_show(w);
642
643 {
644 int c, val;
645 char *p, *q, *name;
646 GtkWidget *menuitem;
647 GtkWidget *menu = gtk_menu_new();
648
649 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
650
651 c = *i->sval;
652 p = i->sval+1;
653 val = 0;
654
655 while (*p) {
656 q = p;
657 while (*q && *q != c)
658 q++;
659
660 name = snewn(q-p+1, char);
661 strncpy(name, p, q-p);
662 name[q-p] = '\0';
663
664 if (*q) q++; /* eat delimiter */
665
666 menuitem = gtk_menu_item_new_with_label(name);
667 gtk_container_add(GTK_CONTAINER(menu), menuitem);
668 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
669 GINT_TO_POINTER(val));
670 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
671 GTK_SIGNAL_FUNC(droplist_sel), i);
672 gtk_widget_show(menuitem);
673
674 val++;
675
676 p = q;
677 }
678
679 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
680 }
681
682 break;
683 }
684
685 y++;
686 }
687
688 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
689 GTK_SIGNAL_FUNC(window_destroy), NULL);
a163b7c2 690 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
691 GTK_SIGNAL_FUNC(win_key_press), cancel);
c8230524 692 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
693 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
694 GTK_WINDOW(fe->window));
695 //set_transient_window_pos(fe->window, fe->cfgbox);
696 gtk_widget_show(fe->cfgbox);
697 gtk_main();
698
077f3cbe 699 free_cfg(fe->cfg);
c8230524 700
701 return fe->cfgret;
702}
703
eb2ad6f1 704static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
705{
706 frontend *fe = (frontend *)data;
707 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
708 "user-data"));
709 if (!midend_process_key(fe->me, 0, 0, key))
710 gtk_widget_destroy(fe->window);
711}
712
713static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
714{
715 frontend *fe = (frontend *)data;
716 game_params *params =
717 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
718 int x, y;
719
720 midend_set_params(fe->me, params);
5928817c 721 midend_new_game(fe->me);
eb2ad6f1 722 midend_size(fe->me, &x, &y);
723 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
724 fe->w = x;
725 fe->h = y;
726}
727
c8230524 728static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
729{
730 frontend *fe = (frontend *)data;
5928817c 731 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
732 "user-data"));
c8230524 733 int x, y;
734
5928817c 735 if (!get_config(fe, which))
c8230524 736 return;
737
5928817c 738 midend_new_game(fe->me);
c8230524 739 midend_size(fe->me, &x, &y);
740 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
741 fe->w = x;
742 fe->h = y;
743}
744
eb2ad6f1 745static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
746 char *text, int key)
747{
748 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
749 gtk_container_add(cont, menuitem);
750 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
751 GINT_TO_POINTER(key));
752 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
753 GTK_SIGNAL_FUNC(menu_key_event), fe);
754 gtk_widget_show(menuitem);
755 return menuitem;
756}
757
758static void add_menu_separator(GtkContainer *cont)
759{
760 GtkWidget *menuitem = gtk_menu_item_new();
761 gtk_container_add(cont, menuitem);
762 gtk_widget_show(menuitem);
763}
764
8b7938e7 765static frontend *new_window(char *game_id, char **error)
2ef96bd6 766{
767 frontend *fe;
eb2ad6f1 768 GtkBox *vbox;
769 GtkWidget *menubar, *menu, *menuitem;
770 int x, y, n;
48d70ca9 771 time_t t;
83680571 772
2ef96bd6 773 fe = snew(frontend);
83680571 774
48d70ca9 775 time(&t);
776 fe->me = midend_new(fe, &t, sizeof(t));
8b7938e7 777 if (game_id) {
778 *error = midend_game_id(fe->me, game_id, FALSE);
779 if (*error) {
780 midend_free(fe->me);
781 sfree(fe);
782 return NULL;
783 }
784 }
5928817c 785 midend_new_game(fe->me);
7f77ea24 786
2ef96bd6 787 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
0c490335 788 gtk_window_set_title(GTK_WINDOW(fe->window), game_name);
ff2f787b 789#if 0
790 gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE);
791#else
792 gtk_window_set_policy(GTK_WINDOW(fe->window), FALSE, FALSE, TRUE);
793#endif
eb2ad6f1 794 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
795 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
796 gtk_widget_show(GTK_WIDGET(vbox));
797
798 menubar = gtk_menu_bar_new();
799 gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
800 gtk_widget_show(menubar);
801
802 menuitem = gtk_menu_item_new_with_label("Game");
803 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
804 gtk_widget_show(menuitem);
805
806 menu = gtk_menu_new();
807 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
808
809 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
810 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Restart", 'r');
811
5928817c 812 menuitem = gtk_menu_item_new_with_label("Specific...");
813 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
814 GINT_TO_POINTER(CFG_SEED));
815 gtk_container_add(GTK_CONTAINER(menu), menuitem);
816 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
817 GTK_SIGNAL_FUNC(menu_config_event), fe);
818 gtk_widget_show(menuitem);
819
c8230524 820 if ((n = midend_num_presets(fe->me)) > 0 || game_can_configure) {
eb2ad6f1 821 GtkWidget *submenu;
822 int i;
823
824 menuitem = gtk_menu_item_new_with_label("Type");
c8230524 825 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
eb2ad6f1 826 gtk_widget_show(menuitem);
827
828 submenu = gtk_menu_new();
829 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
830
831 for (i = 0; i < n; i++) {
832 char *name;
833 game_params *params;
834
835 midend_fetch_preset(fe->me, i, &name, &params);
836
837 menuitem = gtk_menu_item_new_with_label(name);
838 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
839 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
840 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
841 GTK_SIGNAL_FUNC(menu_preset_event), fe);
842 gtk_widget_show(menuitem);
843 }
c8230524 844
845 if (game_can_configure) {
846 menuitem = gtk_menu_item_new_with_label("Custom...");
5928817c 847 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
848 GPOINTER_TO_INT(CFG_SETTINGS));
c8230524 849 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
850 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
851 GTK_SIGNAL_FUNC(menu_config_event), fe);
852 gtk_widget_show(menuitem);
853 }
eb2ad6f1 854 }
855
856 add_menu_separator(GTK_CONTAINER(menu));
857 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
858 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12');
859 add_menu_separator(GTK_CONTAINER(menu));
860 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
7f77ea24 861
2ef96bd6 862 {
863 int i, ncolours;
864 float *colours;
865 gboolean *success;
7f77ea24 866
2ef96bd6 867 fe->colmap = gdk_colormap_get_system();
868 colours = midend_colours(fe->me, &ncolours);
869 fe->ncolours = ncolours;
870 fe->colours = snewn(ncolours, GdkColor);
871 for (i = 0; i < ncolours; i++) {
872 fe->colours[i].red = colours[i*3] * 0xFFFF;
873 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
874 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
875 }
876 success = snewn(ncolours, gboolean);
877 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
878 FALSE, FALSE, success);
879 for (i = 0; i < ncolours; i++) {
880 if (!success[i])
881 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
882 i, fe->colours[i].red >> 8,
883 fe->colours[i].green >> 8,
884 fe->colours[i].blue >> 8);
885 }
886 }
7f77ea24 887
fd1a1a2b 888 if (midend_wants_statusbar(fe->me)) {
5725d728 889 GtkWidget *viewport;
890 GtkRequisition req;
891
892 viewport = gtk_viewport_new(NULL, NULL);
893 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
fd1a1a2b 894 fe->statusbar = gtk_statusbar_new();
5725d728 895 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
896 gtk_widget_show(viewport);
897 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
fd1a1a2b 898 gtk_widget_show(fe->statusbar);
899 fe->statusctx = gtk_statusbar_get_context_id
900 (GTK_STATUSBAR(fe->statusbar), "game");
901 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
5725d728 902 "test");
903 gtk_widget_size_request(fe->statusbar, &req);
904#if 0
905 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
906#endif
60d42abc 907 gtk_widget_set_usize(viewport, -1, req.height);
fd1a1a2b 908 } else
909 fe->statusbar = NULL;
910
2ef96bd6 911 fe->area = gtk_drawing_area_new();
912 midend_size(fe->me, &x, &y);
913 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
914 fe->w = x;
915 fe->h = y;
916
eb2ad6f1 917 gtk_box_pack_end(vbox, fe->area, FALSE, FALSE, 0);
2ef96bd6 918
919 fe->pixmap = NULL;
4efb3868 920 fe->fonts = NULL;
921 fe->nfonts = fe->fontsize = 0;
2ef96bd6 922
20ee89e3 923 fe->timer_active = FALSE;
924
2ef96bd6 925 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
926 GTK_SIGNAL_FUNC(destroy), fe);
927 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
928 GTK_SIGNAL_FUNC(key_event), fe);
929 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
930 GTK_SIGNAL_FUNC(button_event), fe);
74a4e547 931 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
932 GTK_SIGNAL_FUNC(button_event), fe);
933 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
934 GTK_SIGNAL_FUNC(motion_event), fe);
2ef96bd6 935 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
936 GTK_SIGNAL_FUNC(expose_area), fe);
fd1a1a2b 937 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
938 GTK_SIGNAL_FUNC(map_window), fe);
2ef96bd6 939 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
940 GTK_SIGNAL_FUNC(configure_area), fe);
941
74a4e547 942 gtk_widget_add_events(GTK_WIDGET(fe->area),
943 GDK_BUTTON_PRESS_MASK |
944 GDK_BUTTON_RELEASE_MASK |
945 GDK_BUTTON_MOTION_MASK);
2ef96bd6 946
947 gtk_widget_show(fe->area);
948 gtk_widget_show(fe->window);
949
950 return fe;
83680571 951}
952
953int main(int argc, char **argv)
954{
8b7938e7 955 char *pname = argv[0];
956 char *error;
957
83680571 958 gtk_init(&argc, &argv);
8b7938e7 959
960 if (!new_window(argc > 1 ? argv[1] : NULL, &error)) {
961 fprintf(stderr, "%s: %s\n", pname, error);
962 return 1;
963 }
964
83680571 965 gtk_main();
966
967 return 0;
968}
Simon Tatham's portable puzzles collection; import of svn://svn.tartarus.org/sgt/puzzles