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Fix build failure on MacOS by initialising a variable which was
[sgt/puzzles] / gtk.c
CommitLineData
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>
dafd6cf6 11#include <errno.h>
720a8fb7 12
8c1fd974 13#include <sys/time.h>
14
83680571 15#include <gtk/gtk.h>
1482ee76 16#include <gdk/gdkkeysyms.h>
83680571 17
f12cdd72 18#include <gdk-pixbuf/gdk-pixbuf.h>
19
a9668451 20#include <gdk/gdkx.h>
21#include <X11/Xlib.h>
9b4b03d3 22#include <X11/Xutil.h>
23#include <X11/Xatom.h>
a9668451 24
720a8fb7 25#include "puzzles.h"
26
1fad7a3b 27#if GTK_CHECK_VERSION(2,0,0)
4beb922b 28# define USE_PANGO
29# ifdef PANGO_VERSION_CHECK
30# if PANGO_VERSION_CHECK(1,8,0)
31# define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
32# endif
33# endif
1fad7a3b 34#endif
3847eb66 35#if !GTK_CHECK_VERSION(2,4,0)
36# define OLD_FILESEL
37#endif
1fad7a3b 38
81ff8295 39#ifdef DEBUGGING
40static FILE *debug_fp = NULL;
41
42void dputs(char *buf)
43{
44 if (!debug_fp) {
45 debug_fp = fopen("debug.log", "w");
46 }
47
48 fputs(buf, stderr);
49
50 if (debug_fp) {
51 fputs(buf, debug_fp);
52 fflush(debug_fp);
53 }
54}
55
56void debug_printf(char *fmt, ...)
57{
58 char buf[4096];
59 va_list ap;
60
61 va_start(ap, fmt);
62 vsprintf(buf, fmt, ap);
63 dputs(buf);
64 va_end(ap);
65}
66#endif
67
83680571 68/* ----------------------------------------------------------------------
69 * Error reporting functions used elsewhere.
70 */
71
720a8fb7 72void fatal(char *fmt, ...)
73{
74 va_list ap;
75
76 fprintf(stderr, "fatal error: ");
77
78 va_start(ap, fmt);
79 vfprintf(stderr, fmt, ap);
80 va_end(ap);
81
82 fprintf(stderr, "\n");
83 exit(1);
84}
83680571 85
86/* ----------------------------------------------------------------------
87 * GTK front end to puzzles.
88 */
89
fa3abef5 90static void changed_preset(frontend *fe);
f92acd1a 91
4efb3868 92struct font {
1fad7a3b 93#ifdef USE_PANGO
94 PangoFontDescription *desc;
95#else
4efb3868 96 GdkFont *font;
1fad7a3b 97#endif
4efb3868 98 int type;
99 int size;
100};
101
83680571 102/*
103 * This structure holds all the data relevant to a single window.
104 * In principle this would allow us to open multiple independent
105 * puzzle windows, although I can't currently see any real point in
106 * doing so. I'm just coding cleanly because there's no
107 * particularly good reason not to.
108 */
2ef96bd6 109struct frontend {
83680571 110 GtkWidget *window;
a383a9be 111 GtkAccelGroup *accelgroup;
7f77ea24 112 GtkWidget *area;
fd1a1a2b 113 GtkWidget *statusbar;
114 guint statusctx;
2ef96bd6 115 GdkPixmap *pixmap;
116 GdkColor *colours;
117 int ncolours;
118 GdkColormap *colmap;
119 int w, h;
dafd6cf6 120 midend *me;
2ef96bd6 121 GdkGC *gc;
122 int bbox_l, bbox_r, bbox_u, bbox_d;
20ee89e3 123 int timer_active, timer_id;
8c1fd974 124 struct timeval last_time;
4efb3868 125 struct font *fonts;
126 int nfonts, fontsize;
c8230524 127 config_item *cfg;
5928817c 128 int cfg_which, cfgret;
c8230524 129 GtkWidget *cfgbox;
23e8c9fd 130 void *paste_data;
9b4b03d3 131 int paste_data_len;
1e3e152d 132 int pw, ph; /* pixmap size (w, h are area size) */
133 int ox, oy; /* offset of pixmap in drawing area */
3847eb66 134#ifdef OLD_FILESEL
a4393230 135 char *filesel_name;
3847eb66 136#endif
98488ab9 137 GSList *preset_radio;
138 int n_preset_menu_items;
139 int preset_threaded;
140 GtkWidget *preset_custom;
fa3abef5 141 GtkWidget *copy_menu_item;
83680571 142};
143
cbb5549e 144void get_random_seed(void **randseed, int *randseedsize)
145{
102d0d14 146 struct timeval *tvp = snew(struct timeval);
147 gettimeofday(tvp, NULL);
148 *randseed = (void *)tvp;
149 *randseedsize = sizeof(struct timeval);
cbb5549e 150}
151
2ef96bd6 152void frontend_default_colour(frontend *fe, float *output)
153{
154 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
155 output[0] = col.red / 65535.0;
156 output[1] = col.green / 65535.0;
157 output[2] = col.blue / 65535.0;
158}
159
dafd6cf6 160void gtk_status_bar(void *handle, char *text)
fd1a1a2b 161{
dafd6cf6 162 frontend *fe = (frontend *)handle;
48dcdd62 163
fd1a1a2b 164 assert(fe->statusbar);
165
83c0438f 166 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
167 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
fd1a1a2b 168}
169
dafd6cf6 170void gtk_start_draw(void *handle)
2ef96bd6 171{
dafd6cf6 172 frontend *fe = (frontend *)handle;
2ef96bd6 173 fe->gc = gdk_gc_new(fe->area->window);
174 fe->bbox_l = fe->w;
175 fe->bbox_r = 0;
176 fe->bbox_u = fe->h;
177 fe->bbox_d = 0;
178}
179
dafd6cf6 180void gtk_clip(void *handle, int x, int y, int w, int h)
4efb3868 181{
dafd6cf6 182 frontend *fe = (frontend *)handle;
4efb3868 183 GdkRectangle rect;
184
185 rect.x = x;
186 rect.y = y;
187 rect.width = w;
188 rect.height = h;
189
190 gdk_gc_set_clip_rectangle(fe->gc, &rect);
191}
192
dafd6cf6 193void gtk_unclip(void *handle)
4efb3868 194{
dafd6cf6 195 frontend *fe = (frontend *)handle;
4efb3868 196 GdkRectangle rect;
197
198 rect.x = 0;
199 rect.y = 0;
200 rect.width = fe->w;
201 rect.height = fe->h;
202
203 gdk_gc_set_clip_rectangle(fe->gc, &rect);
204}
205
dafd6cf6 206void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize,
207 int align, int colour, char *text)
4efb3868 208{
dafd6cf6 209 frontend *fe = (frontend *)handle;
4efb3868 210 int i;
211
212 /*
213 * Find or create the font.
214 */
215 for (i = 0; i < fe->nfonts; i++)
216 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
217 break;
218
219 if (i == fe->nfonts) {
220 if (fe->fontsize <= fe->nfonts) {
221 fe->fontsize = fe->nfonts + 10;
222 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
223 }
224
225 fe->nfonts++;
226
227 fe->fonts[i].type = fonttype;
228 fe->fonts[i].size = fontsize;
229
1fad7a3b 230#ifdef USE_PANGO
4efb3868 231 /*
a9668451 232 * Use Pango to find the closest match to the requested
233 * font.
4efb3868 234 */
a9668451 235 {
236 PangoFontDescription *fd;
237
238 fd = pango_font_description_new();
239 /* `Monospace' and `Sans' are meta-families guaranteed to exist */
240 pango_font_description_set_family(fd, fonttype == FONT_FIXED ?
241 "Monospace" : "Sans");
2e837d78 242 pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD);
a9668451 243 /*
244 * I found some online Pango documentation which
245 * described a function called
246 * pango_font_description_set_absolute_size(), which is
247 * _exactly_ what I want here. Unfortunately, none of
248 * my local Pango installations have it (presumably
249 * they're too old), so I'm going to have to hack round
250 * it by figuring out the point size myself. This
251 * limits me to X and probably also breaks in later
252 * Pango installations, so ideally I should add another
253 * CHECK_VERSION type ifdef and use set_absolute_size
254 * where available. All very annoying.
255 */
256#ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
257 pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize);
258#else
259 {
260 Display *d = GDK_DISPLAY();
261 int s = DefaultScreen(d);
262 double resolution =
263 (PANGO_SCALE * 72.27 / 25.4) *
264 ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s));
265 pango_font_description_set_size(fd, resolution * fontsize);
266 }
267#endif
1fad7a3b 268 fe->fonts[i].desc = fd;
a9668451 269 }
270
1fad7a3b 271#else
272 /*
273 * In GTK 1.2, I don't know of any plausible way to
274 * pick a suitable font, so I'm just going to be
275 * tedious.
276 */
277 fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ?
278 "fixed" : "variable");
a9668451 279#endif
1fad7a3b 280
281 }
282
283 /*
284 * Set the colour.
285 */
286 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
287
288#ifdef USE_PANGO
289
290 {
291 PangoLayout *layout;
292 PangoRectangle rect;
293
294 /*
295 * Create a layout.
296 */
297 layout = pango_layout_new(gtk_widget_get_pango_context(fe->area));
298 pango_layout_set_font_description(layout, fe->fonts[i].desc);
299 pango_layout_set_text(layout, text, strlen(text));
300 pango_layout_get_pixel_extents(layout, NULL, &rect);
301
302 if (align & ALIGN_VCENTRE)
303 rect.y -= rect.height / 2;
86e60e3d 304 else
305 rect.y -= rect.height;
1fad7a3b 306
307 if (align & ALIGN_HCENTRE)
308 rect.x -= rect.width / 2;
309 else if (align & ALIGN_HRIGHT)
310 rect.x -= rect.width;
311
312 gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout);
313
314 g_object_unref(layout);
4efb3868 315 }
316
1fad7a3b 317#else
4efb3868 318 /*
319 * Find string dimensions and process alignment.
320 */
321 {
322 int lb, rb, wid, asc, desc;
323
3bcf831a 324 /*
325 * Measure vertical string extents with respect to the same
326 * string always...
327 */
328 gdk_string_extents(fe->fonts[i].font,
329 "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
4efb3868 330 &lb, &rb, &wid, &asc, &desc);
331 if (align & ALIGN_VCENTRE)
332 y += asc - (asc+desc)/2;
86e60e3d 333 else
334 y += asc;
4efb3868 335
3bcf831a 336 /*
337 * ... but horizontal extents with respect to the provided
338 * string. This means that multiple pieces of text centred
339 * on the same y-coordinate don't have different baselines.
340 */
341 gdk_string_extents(fe->fonts[i].font, text,
342 &lb, &rb, &wid, &asc, &desc);
343
4efb3868 344 if (align & ALIGN_HCENTRE)
345 x -= wid / 2;
346 else if (align & ALIGN_HRIGHT)
347 x -= wid;
348
349 }
350
351 /*
1fad7a3b 352 * Actually draw the text.
4efb3868 353 */
4efb3868 354 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
1fad7a3b 355#endif
356
4efb3868 357}
358
dafd6cf6 359void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour)
2ef96bd6 360{
dafd6cf6 361 frontend *fe = (frontend *)handle;
2ef96bd6 362 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
363 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
364}
365
dafd6cf6 366void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
2ef96bd6 367{
dafd6cf6 368 frontend *fe = (frontend *)handle;
2ef96bd6 369 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
370 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
371}
372
dafd6cf6 373void gtk_draw_poly(void *handle, int *coords, int npoints,
374 int fillcolour, int outlinecolour)
2ef96bd6 375{
dafd6cf6 376 frontend *fe = (frontend *)handle;
2ef96bd6 377 GdkPoint *points = snewn(npoints, GdkPoint);
378 int i;
379
380 for (i = 0; i < npoints; i++) {
381 points[i].x = coords[i*2];
382 points[i].y = coords[i*2+1];
383 }
384
28b5987d 385 if (fillcolour >= 0) {
386 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
387 gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints);
388 }
389 assert(outlinecolour >= 0);
390 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
dddad8fb 391
392 /*
393 * In principle we ought to be able to use gdk_draw_polygon for
394 * the outline as well. In fact, it turns out to interact badly
395 * with a clipping region, for no terribly obvious reason, so I
396 * draw the outline as a sequence of lines instead.
397 */
398 for (i = 0; i < npoints; i++)
399 gdk_draw_line(fe->pixmap, fe->gc,
400 points[i].x, points[i].y,
401 points[(i+1)%npoints].x, points[(i+1)%npoints].y);
2ef96bd6 402
403 sfree(points);
404}
405
dafd6cf6 406void gtk_draw_circle(void *handle, int cx, int cy, int radius,
407 int fillcolour, int outlinecolour)
550efd7f 408{
dafd6cf6 409 frontend *fe = (frontend *)handle;
28b5987d 410 if (fillcolour >= 0) {
411 gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]);
412 gdk_draw_arc(fe->pixmap, fe->gc, TRUE,
413 cx - radius, cy - radius,
414 2 * radius, 2 * radius, 0, 360 * 64);
415 }
416
417 assert(outlinecolour >= 0);
418 gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]);
419 gdk_draw_arc(fe->pixmap, fe->gc, FALSE,
420 cx - radius, cy - radius,
421 2 * radius, 2 * radius, 0, 360 * 64);
550efd7f 422}
423
3161048d 424struct blitter {
425 GdkPixmap *pixmap;
426 int w, h, x, y;
427};
428
dafd6cf6 429blitter *gtk_blitter_new(void *handle, int w, int h)
3161048d 430{
431 /*
432 * We can't create the pixmap right now, because fe->window
433 * might not yet exist. So we just cache w and h and create it
434 * during the firs call to blitter_save.
435 */
436 blitter *bl = snew(blitter);
437 bl->pixmap = NULL;
438 bl->w = w;
439 bl->h = h;
440 return bl;
441}
442
dafd6cf6 443void gtk_blitter_free(void *handle, blitter *bl)
3161048d 444{
445 if (bl->pixmap)
446 gdk_pixmap_unref(bl->pixmap);
447 sfree(bl);
448}
449
dafd6cf6 450void gtk_blitter_save(void *handle, blitter *bl, int x, int y)
3161048d 451{
dafd6cf6 452 frontend *fe = (frontend *)handle;
3161048d 453 if (!bl->pixmap)
454 bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1);
455 bl->x = x;
456 bl->y = y;
457 gdk_draw_pixmap(bl->pixmap,
458 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
459 fe->pixmap,
460 x, y, 0, 0, bl->w, bl->h);
461}
462
dafd6cf6 463void gtk_blitter_load(void *handle, blitter *bl, int x, int y)
3161048d 464{
dafd6cf6 465 frontend *fe = (frontend *)handle;
3161048d 466 assert(bl->pixmap);
467 if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) {
468 x = bl->x;
469 y = bl->y;
470 }
471 gdk_draw_pixmap(fe->pixmap,
472 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
473 bl->pixmap,
474 0, 0, x, y, bl->w, bl->h);
475}
476
dafd6cf6 477void gtk_draw_update(void *handle, int x, int y, int w, int h)
2ef96bd6 478{
dafd6cf6 479 frontend *fe = (frontend *)handle;
2ef96bd6 480 if (fe->bbox_l > x ) fe->bbox_l = x ;
481 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
482 if (fe->bbox_u > y ) fe->bbox_u = y ;
483 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
484}
485
dafd6cf6 486void gtk_end_draw(void *handle)
2ef96bd6 487{
dafd6cf6 488 frontend *fe = (frontend *)handle;
2ef96bd6 489 gdk_gc_unref(fe->gc);
490 fe->gc = NULL;
491
492 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
493 gdk_draw_pixmap(fe->area->window,
494 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
495 fe->pixmap,
496 fe->bbox_l, fe->bbox_u,
1e3e152d 497 fe->ox + fe->bbox_l, fe->oy + fe->bbox_u,
2ef96bd6 498 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
499 }
500}
501
4011952c 502#ifdef USE_PANGO
503char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings)
504{
505 /*
506 * We assume Pango can cope with any UTF-8 likely to be emitted
507 * by a puzzle.
508 */
509 return dupstr(strings[0]);
510}
511#endif
512
dafd6cf6 513const struct drawing_api gtk_drawing = {
514 gtk_draw_text,
515 gtk_draw_rect,
516 gtk_draw_line,
517 gtk_draw_poly,
518 gtk_draw_circle,
519 gtk_draw_update,
520 gtk_clip,
521 gtk_unclip,
522 gtk_start_draw,
523 gtk_end_draw,
524 gtk_status_bar,
525 gtk_blitter_new,
526 gtk_blitter_free,
527 gtk_blitter_save,
528 gtk_blitter_load,
529 NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */
4011952c 530 NULL, NULL, /* line_width, line_dotted */
531#ifdef USE_PANGO
532 gtk_text_fallback,
533#else
534 NULL,
535#endif
dafd6cf6 536};
537
83680571 538static void destroy(GtkWidget *widget, gpointer data)
539{
f49650a7 540 frontend *fe = (frontend *)data;
541 deactivate_timer(fe);
a4393230 542 midend_free(fe->me);
83680571 543 gtk_main_quit();
544}
545
2ef96bd6 546static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
7f77ea24 547{
2ef96bd6 548 frontend *fe = (frontend *)data;
1482ee76 549 int keyval;
f0ee053c 550 int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0;
551 int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0;
7f77ea24 552
2ef96bd6 553 if (!fe->pixmap)
554 return TRUE;
7f77ea24 555
08d7c4ba 556#if !GTK_CHECK_VERSION(2,0,0)
557 /* Gtk 1.2 passes a key event to this function even if it's also
558 * defined as an accelerator.
559 * Gtk 2 doesn't do this, and this function appears not to exist there. */
560 if (fe->accelgroup &&
561 gtk_accel_group_get_entry(fe->accelgroup,
562 event->keyval, event->state))
563 return TRUE;
564#endif
565
f52166e6 566 /* Handle mnemonics. */
567 if (gtk_window_activate_key(GTK_WINDOW(fe->window), event))
568 return TRUE;
569
3c833d45 570 if (event->keyval == GDK_Up)
f0ee053c 571 keyval = shift | ctrl | CURSOR_UP;
3c833d45 572 else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8)
573 keyval = MOD_NUM_KEYPAD | '8';
574 else if (event->keyval == GDK_Down)
f0ee053c 575 keyval = shift | ctrl | CURSOR_DOWN;
3c833d45 576 else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2)
577 keyval = MOD_NUM_KEYPAD | '2';
578 else if (event->keyval == GDK_Left)
f0ee053c 579 keyval = shift | ctrl | CURSOR_LEFT;
3c833d45 580 else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4)
581 keyval = MOD_NUM_KEYPAD | '4';
582 else if (event->keyval == GDK_Right)
f0ee053c 583 keyval = shift | ctrl | CURSOR_RIGHT;
3c833d45 584 else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6)
585 keyval = MOD_NUM_KEYPAD | '6';
c71454c0 586 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
3c833d45 587 keyval = MOD_NUM_KEYPAD | '7';
c71454c0 588 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
3c833d45 589 keyval = MOD_NUM_KEYPAD | '1';
c71454c0 590 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
3c833d45 591 keyval = MOD_NUM_KEYPAD | '9';
c71454c0 592 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
3c833d45 593 keyval = MOD_NUM_KEYPAD | '3';
594 else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0)
595 keyval = MOD_NUM_KEYPAD | '0';
596 else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5)
597 keyval = MOD_NUM_KEYPAD | '5';
0eb4d76e 598 else if (event->keyval == GDK_BackSpace ||
599 event->keyval == GDK_Delete ||
600 event->keyval == GDK_KP_Delete)
601 keyval = '\177';
3c833d45 602 else if (event->string[0] && !event->string[1])
603 keyval = (unsigned char)event->string[0];
1482ee76 604 else
605 keyval = -1;
606
607 if (keyval >= 0 &&
608 !midend_process_key(fe->me, 0, 0, keyval))
2ef96bd6 609 gtk_widget_destroy(fe->window);
7f77ea24 610
611 return TRUE;
612}
613
2ef96bd6 614static gint button_event(GtkWidget *widget, GdkEventButton *event,
615 gpointer data)
7f77ea24 616{
2ef96bd6 617 frontend *fe = (frontend *)data;
618 int button;
619
620 if (!fe->pixmap)
621 return TRUE;
622
74a4e547 623 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
2ef96bd6 624 return TRUE;
7f77ea24 625
b0f06719 626 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
2ef96bd6 627 button = MIDDLE_BUTTON;
97c2790f 628 else if (event->button == 3 || (event->state & GDK_MOD1_MASK))
629 button = RIGHT_BUTTON;
b0f06719 630 else if (event->button == 1)
631 button = LEFT_BUTTON;
2ef96bd6 632 else
633 return FALSE; /* don't even know what button! */
634
74a4e547 635 if (event->type == GDK_BUTTON_RELEASE)
636 button += LEFT_RELEASE - LEFT_BUTTON;
637
1e3e152d 638 if (!midend_process_key(fe->me, event->x - fe->ox,
639 event->y - fe->oy, button))
74a4e547 640 gtk_widget_destroy(fe->window);
641
642 return TRUE;
643}
644
645static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
646 gpointer data)
647{
648 frontend *fe = (frontend *)data;
649 int button;
650
651 if (!fe->pixmap)
652 return TRUE;
653
74a4e547 654 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
655 button = MIDDLE_DRAG;
656 else if (event->state & GDK_BUTTON1_MASK)
657 button = LEFT_DRAG;
658 else if (event->state & GDK_BUTTON3_MASK)
659 button = RIGHT_DRAG;
660 else
661 return FALSE; /* don't even know what button! */
662
1e3e152d 663 if (!midend_process_key(fe->me, event->x - fe->ox,
664 event->y - fe->oy, button))
2ef96bd6 665 gtk_widget_destroy(fe->window);
4a59b80c 666#if GTK_CHECK_VERSION(2,12,0)
667 gdk_event_request_motions(event);
668#else
669 gdk_window_get_pointer(widget->window, NULL, NULL, NULL);
670#endif
7f77ea24 671
672 return TRUE;
673}
674
2ef96bd6 675static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
676 gpointer data)
83680571 677{
2ef96bd6 678 frontend *fe = (frontend *)data;
679
680 if (fe->pixmap) {
681 gdk_draw_pixmap(widget->window,
682 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
683 fe->pixmap,
1e3e152d 684 event->area.x - fe->ox, event->area.y - fe->oy,
2ef96bd6 685 event->area.x, event->area.y,
686 event->area.width, event->area.height);
687 }
688 return TRUE;
689}
690
fd1a1a2b 691static gint map_window(GtkWidget *widget, GdkEvent *event,
692 gpointer data)
693{
694 frontend *fe = (frontend *)data;
695
696 /*
697 * Apparently we need to do this because otherwise the status
698 * bar will fail to update immediately. Annoying, but there we
699 * go.
700 */
701 gtk_widget_queue_draw(fe->window);
702
703 return TRUE;
704}
705
2ef96bd6 706static gint configure_area(GtkWidget *widget,
707 GdkEventConfigure *event, gpointer data)
708{
709 frontend *fe = (frontend *)data;
710 GdkGC *gc;
1e3e152d 711 int x, y;
2ef96bd6 712
eb2ad6f1 713 if (fe->pixmap)
714 gdk_pixmap_unref(fe->pixmap);
715
1e3e152d 716 x = fe->w = event->width;
717 y = fe->h = event->height;
718 midend_size(fe->me, &x, &y, TRUE);
719 fe->pw = x;
720 fe->ph = y;
721 fe->ox = (fe->w - fe->pw) / 2;
722 fe->oy = (fe->h - fe->ph) / 2;
723
724 fe->pixmap = gdk_pixmap_new(widget->window, fe->pw, fe->ph, -1);
2ef96bd6 725
726 gc = gdk_gc_new(fe->area->window);
727 gdk_gc_set_foreground(gc, &fe->colours[0]);
1e3e152d 728 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph);
47432032 729 gdk_draw_rectangle(widget->window, gc, 1, 0, 0,
730 event->width, event->height);
2ef96bd6 731 gdk_gc_unref(gc);
732
008b4378 733 midend_force_redraw(fe->me);
2ef96bd6 734
735 return TRUE;
736}
737
738static gint timer_func(gpointer data)
739{
740 frontend *fe = (frontend *)data;
741
8c1fd974 742 if (fe->timer_active) {
743 struct timeval now;
744 float elapsed;
745 gettimeofday(&now, NULL);
746 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
747 (now.tv_sec - fe->last_time.tv_sec));
748 midend_timer(fe->me, elapsed); /* may clear timer_active */
749 fe->last_time = now;
750 }
2ef96bd6 751
752 return fe->timer_active;
753}
754
755void deactivate_timer(frontend *fe)
756{
dafd6cf6 757 if (!fe)
758 return; /* can happen due to --generate */
20ee89e3 759 if (fe->timer_active)
760 gtk_timeout_remove(fe->timer_id);
2ef96bd6 761 fe->timer_active = FALSE;
762}
763
764void activate_timer(frontend *fe)
765{
dafd6cf6 766 if (!fe)
767 return; /* can happen due to --generate */
8c1fd974 768 if (!fe->timer_active) {
20ee89e3 769 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
8c1fd974 770 gettimeofday(&fe->last_time, NULL);
771 }
2ef96bd6 772 fe->timer_active = TRUE;
773}
774
c8230524 775static void window_destroy(GtkWidget *widget, gpointer data)
776{
777 gtk_main_quit();
778}
779
668be019 780static void msgbox_button_clicked(GtkButton *button, gpointer data)
c8230524 781{
668be019 782 GtkWidget *window = GTK_WIDGET(data);
783 int v, *ip;
784
785 ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data");
786 v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data"));
787 *ip = v;
788
c8230524 789 gtk_widget_destroy(GTK_WIDGET(data));
790}
791
a163b7c2 792static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
793{
794 GtkObject *cancelbutton = GTK_OBJECT(data);
795
796 /*
797 * `Escape' effectively clicks the cancel button
798 */
799 if (event->keyval == GDK_Escape) {
800 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
801 return TRUE;
802 }
803
804 return FALSE;
805}
806
668be019 807enum { MB_OK, MB_YESNO };
808
809int message_box(GtkWidget *parent, char *title, char *msg, int centre,
810 int type)
c8230524 811{
668be019 812 GtkWidget *window, *hbox, *text, *button;
813 char *titles;
814 int i, def, cancel;
c8230524 815
816 window = gtk_dialog_new();
817 text = gtk_label_new(msg);
818 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
819 hbox = gtk_hbox_new(FALSE, 0);
820 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
821 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
822 hbox, FALSE, FALSE, 20);
823 gtk_widget_show(text);
824 gtk_widget_show(hbox);
97098757 825 gtk_window_set_title(GTK_WINDOW(window), title);
c8230524 826 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
668be019 827
828 if (type == MB_OK) {
829 titles = "OK\0";
830 def = cancel = 0;
831 } else {
832 assert(type == MB_YESNO);
833 titles = "Yes\0No\0";
834 def = 0;
835 cancel = 1;
836 }
837 i = 0;
838
839 while (*titles) {
840 button = gtk_button_new_with_label(titles);
841 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
842 button, FALSE, FALSE, 0);
843 gtk_widget_show(button);
844 if (i == def) {
845 GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
846 gtk_window_set_default(GTK_WINDOW(window), button);
847 }
848 if (i == cancel) {
849 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
850 GTK_SIGNAL_FUNC(win_key_press), button);
851 }
852 gtk_signal_connect(GTK_OBJECT(button), "clicked",
853 GTK_SIGNAL_FUNC(msgbox_button_clicked), window);
854 gtk_object_set_data(GTK_OBJECT(button), "user-data",
855 GINT_TO_POINTER(i));
856 titles += strlen(titles)+1;
857 i++;
858 }
859 gtk_object_set_data(GTK_OBJECT(window), "user-data",
860 GINT_TO_POINTER(&i));
a1ed9f0e 861 gtk_signal_connect(GTK_OBJECT(window), "destroy",
862 GTK_SIGNAL_FUNC(window_destroy), NULL);
c8230524 863 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
864 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
23e8c9fd 865 /* set_transient_window_pos(parent, window); */
c8230524 866 gtk_widget_show(window);
668be019 867 i = -1;
c8230524 868 gtk_main();
668be019 869 return (type == MB_YESNO ? i == 0 : TRUE);
c8230524 870}
871
97098757 872void error_box(GtkWidget *parent, char *msg)
873{
668be019 874 message_box(parent, "Error", msg, FALSE, MB_OK);
97098757 875}
876
c8230524 877static void config_ok_button_clicked(GtkButton *button, gpointer data)
878{
879 frontend *fe = (frontend *)data;
880 char *err;
881
5928817c 882 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
c8230524 883
884 if (err)
885 error_box(fe->cfgbox, err);
886 else {
887 fe->cfgret = TRUE;
888 gtk_widget_destroy(fe->cfgbox);
fa3abef5 889 changed_preset(fe);
c8230524 890 }
891}
892
893static void config_cancel_button_clicked(GtkButton *button, gpointer data)
894{
895 frontend *fe = (frontend *)data;
896
897 gtk_widget_destroy(fe->cfgbox);
898}
899
a163b7c2 900static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
901{
902 /*
903 * GtkEntry has a nasty habit of eating the Return key, which
904 * is unhelpful since it doesn't actually _do_ anything with it
905 * (it calls gtk_widget_activate, but our edit boxes never need
906 * activating). So I catch Return before GtkEntry sees it, and
907 * pass it straight on to the parent widget. Effect: hitting
908 * Return in an edit box will now activate the default button
909 * in the dialog just like it will everywhere else.
910 */
911 if (event->keyval == GDK_Return && widget->parent != NULL) {
912 gint return_val;
913 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
914 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
915 event, &return_val);
916 return return_val;
917 }
918 return FALSE;
919}
920
c8230524 921static void editbox_changed(GtkEditable *ed, gpointer data)
922{
923 config_item *i = (config_item *)data;
924
925 sfree(i->sval);
926 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
927}
928
929static void button_toggled(GtkToggleButton *tb, gpointer data)
930{
931 config_item *i = (config_item *)data;
932
933 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
934}
935
936static void droplist_sel(GtkMenuItem *item, gpointer data)
937{
938 config_item *i = (config_item *)data;
939
940 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
941 "user-data"));
942}
943
5928817c 944static int get_config(frontend *fe, int which)
c8230524 945{
a163b7c2 946 GtkWidget *w, *table, *cancel;
5928817c 947 char *title;
c8230524 948 config_item *i;
949 int y;
950
5928817c 951 fe->cfg = midend_get_config(fe->me, which, &title);
952 fe->cfg_which = which;
c8230524 953 fe->cfgret = FALSE;
954
955 fe->cfgbox = gtk_dialog_new();
5928817c 956 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
957 sfree(title);
c8230524 958
959 w = gtk_button_new_with_label("OK");
960 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
961 w, FALSE, FALSE, 0);
962 gtk_widget_show(w);
963 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
964 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
965 gtk_signal_connect(GTK_OBJECT(w), "clicked",
966 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
967
968 w = gtk_button_new_with_label("Cancel");
969 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
970 w, FALSE, FALSE, 0);
971 gtk_widget_show(w);
972 gtk_signal_connect(GTK_OBJECT(w), "clicked",
973 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
a163b7c2 974 cancel = w;
c8230524 975
976 table = gtk_table_new(1, 2, FALSE);
977 y = 0;
978 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
979 table, FALSE, FALSE, 0);
980 gtk_widget_show(table);
981
95709966 982 for (i = fe->cfg; i->type != C_END; i++) {
c8230524 983 gtk_table_resize(GTK_TABLE(table), y+1, 2);
984
985 switch (i->type) {
95709966 986 case C_STRING:
c8230524 987 /*
988 * Edit box with a label beside it.
989 */
990
991 w = gtk_label_new(i->name);
992 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
993 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
c7efa5be 994 GTK_SHRINK | GTK_FILL,
c8230524 995 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
996 3, 3);
997 gtk_widget_show(w);
998
999 w = gtk_entry_new();
1000 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1001 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1002 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1003 3, 3);
1004 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
1005 gtk_signal_connect(GTK_OBJECT(w), "changed",
1006 GTK_SIGNAL_FUNC(editbox_changed), i);
a163b7c2 1007 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
1008 GTK_SIGNAL_FUNC(editbox_key), NULL);
c8230524 1009 gtk_widget_show(w);
1010
1011 break;
1012
95709966 1013 case C_BOOLEAN:
c8230524 1014 /*
1015 * Simple checkbox.
1016 */
1017 w = gtk_check_button_new_with_label(i->name);
1018 gtk_signal_connect(GTK_OBJECT(w), "toggled",
1019 GTK_SIGNAL_FUNC(button_toggled), i);
1020 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
1021 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1022 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1023 3, 3);
1024 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
1025 gtk_widget_show(w);
1026 break;
1027
95709966 1028 case C_CHOICES:
c8230524 1029 /*
1030 * Drop-down list (GtkOptionMenu).
1031 */
1032
1033 w = gtk_label_new(i->name);
1034 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
1035 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
c7efa5be 1036 GTK_SHRINK | GTK_FILL,
1037 GTK_EXPAND | GTK_SHRINK | GTK_FILL ,
c8230524 1038 3, 3);
1039 gtk_widget_show(w);
1040
1041 w = gtk_option_menu_new();
1042 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
1043 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1044 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
1045 3, 3);
1046 gtk_widget_show(w);
1047
1048 {
1049 int c, val;
1050 char *p, *q, *name;
1051 GtkWidget *menuitem;
1052 GtkWidget *menu = gtk_menu_new();
1053
1054 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
1055
1056 c = *i->sval;
1057 p = i->sval+1;
1058 val = 0;
1059
1060 while (*p) {
1061 q = p;
1062 while (*q && *q != c)
1063 q++;
1064
1065 name = snewn(q-p+1, char);
1066 strncpy(name, p, q-p);
1067 name[q-p] = '\0';
1068
1069 if (*q) q++; /* eat delimiter */
1070
1071 menuitem = gtk_menu_item_new_with_label(name);
1072 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1073 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1074 GINT_TO_POINTER(val));
1075 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1076 GTK_SIGNAL_FUNC(droplist_sel), i);
1077 gtk_widget_show(menuitem);
1078
1079 val++;
1080
1081 p = q;
1082 }
1083
1084 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
1085 }
1086
1087 break;
1088 }
1089
1090 y++;
1091 }
1092
1093 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
1094 GTK_SIGNAL_FUNC(window_destroy), NULL);
a163b7c2 1095 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
1096 GTK_SIGNAL_FUNC(win_key_press), cancel);
c8230524 1097 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
1098 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
1099 GTK_WINDOW(fe->window));
23e8c9fd 1100 /* set_transient_window_pos(fe->window, fe->cfgbox); */
c8230524 1101 gtk_widget_show(fe->cfgbox);
1102 gtk_main();
1103
077f3cbe 1104 free_cfg(fe->cfg);
c8230524 1105
1106 return fe->cfgret;
1107}
1108
eb2ad6f1 1109static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
1110{
1111 frontend *fe = (frontend *)data;
1112 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1113 "user-data"));
1114 if (!midend_process_key(fe->me, 0, 0, key))
1115 gtk_widget_destroy(fe->window);
1116}
1117
1e3e152d 1118static void get_size(frontend *fe, int *px, int *py)
1119{
1120 int x, y;
1121
1122 /*
1123 * Currently I don't want to make the GTK port scale large
1124 * puzzles to fit on the screen. This is because X does permit
1125 * extremely large windows and many window managers provide a
1126 * means of navigating round them, and the users I consulted
1127 * before deciding said that they'd rather have enormous puzzle
1128 * windows spanning multiple screen pages than have them
1129 * shrunk. I could change my mind later or introduce
1130 * configurability; this would be the place to do so, by
1131 * replacing the initial values of x and y with the screen
1132 * dimensions.
1133 */
1134 x = INT_MAX;
1135 y = INT_MAX;
1136 midend_size(fe->me, &x, &y, FALSE);
1137 *px = x;
1138 *py = y;
1139}
1140
ef429a6c 1141#if !GTK_CHECK_VERSION(2,0,0)
1142#define gtk_window_resize(win, x, y) \
1143 gdk_window_resize(GTK_WIDGET(win)->window, x, y)
1144#endif
1145
fa3abef5 1146/*
1147 * Called when any other code in this file has changed the
1148 * selected game parameters.
1149 */
1150static void changed_preset(frontend *fe)
f92acd1a 1151{
1152 int n = midend_which_preset(fe->me);
f92acd1a 1153
98488ab9 1154 fe->preset_threaded = TRUE;
1155 if (n < 0 && fe->preset_custom) {
1156 gtk_check_menu_item_set_active(
1157 GTK_CHECK_MENU_ITEM(fe->preset_custom),
1158 TRUE);
1159 } else {
1160 GSList *gs = fe->preset_radio;
1161 int i = fe->n_preset_menu_items - 1 - n;
1162 if (fe->preset_custom)
1163 gs = gs->next;
1164 while (i && gs) {
1165 i--;
1166 gs = gs->next;
1167 }
1168 if (gs) {
1169 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1170 TRUE);
1171 } else for (gs = fe->preset_radio; gs; gs = gs->next) {
1172 gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data),
1173 FALSE);
1174 }
f92acd1a 1175 }
98488ab9 1176 fe->preset_threaded = FALSE;
fa3abef5 1177
1178 /*
1179 * Update the greying on the Copy menu option.
1180 */
1181 if (fe->copy_menu_item) {
1182 int enabled = midend_can_format_as_text_now(fe->me);
1183 gtk_widget_set_sensitive(fe->copy_menu_item, enabled);
1184 }
f92acd1a 1185}
1186
854a4f51 1187static void resize_fe(frontend *fe)
eb2ad6f1 1188{
eb2ad6f1 1189 int x, y;
1190
1e3e152d 1191 get_size(fe, &x, &y);
eb2ad6f1 1192 fe->w = x;
1193 fe->h = y;
1e3e152d 1194 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
4e1f57ba 1195 {
1196 GtkRequisition req;
1197 gtk_widget_size_request(GTK_WIDGET(fe->window), &req);
cbdf34a0 1198 gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height);
4e1f57ba 1199 }
8b629657 1200 /*
1201 * Now that we've established the preferred size of the window,
1202 * reduce the drawing area's size request so the user can shrink
1203 * the window.
1204 */
1205 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
eb2ad6f1 1206}
1207
854a4f51 1208static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
1209{
1210 frontend *fe = (frontend *)data;
1211 game_params *params =
1212 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
1213
98488ab9 1214 if (fe->preset_threaded ||
1215 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
1216 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
1217 return;
854a4f51 1218 midend_set_params(fe->me, params);
1219 midend_new_game(fe->me);
fa3abef5 1220 changed_preset(fe);
854a4f51 1221 resize_fe(fe);
1222}
1223
9b4b03d3 1224GdkAtom compound_text_atom, utf8_string_atom;
1225int paste_initialised = FALSE;
1226
1227void init_paste()
1228{
23e8c9fd 1229 unsigned char empty[] = { 0 };
1230
9b4b03d3 1231 if (paste_initialised)
1232 return;
1233
1234 if (!compound_text_atom)
1235 compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
1236 if (!utf8_string_atom)
1237 utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
1238
1239 /*
1240 * Ensure that all the cut buffers exist - according to the
1241 * ICCCM, we must do this before we start using cut buffers.
1242 */
1243 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
23e8c9fd 1244 XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0);
9b4b03d3 1245 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
23e8c9fd 1246 XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0);
9b4b03d3 1247 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
23e8c9fd 1248 XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0);
9b4b03d3 1249 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
23e8c9fd 1250 XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0);
9b4b03d3 1251 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
23e8c9fd 1252 XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0);
9b4b03d3 1253 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
23e8c9fd 1254 XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0);
9b4b03d3 1255 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
23e8c9fd 1256 XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0);
9b4b03d3 1257 XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
23e8c9fd 1258 XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0);
9b4b03d3 1259}
1260
1261/* Store data in a cut-buffer. */
1262void store_cutbuffer(char *ptr, int len)
1263{
1264 /* ICCCM says we must rotate the buffers before storing to buffer 0. */
1265 XRotateBuffers(GDK_DISPLAY(), 1);
1266 XStoreBytes(GDK_DISPLAY(), ptr, len);
1267}
1268
1269void write_clip(frontend *fe, char *data)
1270{
1271 init_paste();
1272
1273 if (fe->paste_data)
1274 sfree(fe->paste_data);
1275
1276 /*
1277 * For this simple application we can safely assume that the
1278 * data passed to this function is pure ASCII, which means we
1279 * can return precisely the same stuff for types STRING,
1280 * COMPOUND_TEXT or UTF8_STRING.
1281 */
1282
1283 fe->paste_data = data;
1284 fe->paste_data_len = strlen(data);
1285
1286 store_cutbuffer(fe->paste_data, fe->paste_data_len);
1287
1288 if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
1289 CurrentTime)) {
c214c108 1290 gtk_selection_clear_targets(fe->area, GDK_SELECTION_PRIMARY);
9b4b03d3 1291 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1292 GDK_SELECTION_TYPE_STRING, 1);
1293 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1294 compound_text_atom, 1);
1295 gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
1296 utf8_string_atom, 1);
1297 }
1298}
1299
1300void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
1301 guint info, guint time_stamp, gpointer data)
1302{
1303 frontend *fe = (frontend *)data;
1304 gtk_selection_data_set(seldata, seldata->target, 8,
1305 fe->paste_data, fe->paste_data_len);
1306}
1307
1308gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
1309 gpointer data)
1310{
1311 frontend *fe = (frontend *)data;
1312
1313 if (fe->paste_data)
1314 sfree(fe->paste_data);
1315 fe->paste_data = NULL;
1316 fe->paste_data_len = 0;
1317 return TRUE;
1318}
1319
1320static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
1321{
1322 frontend *fe = (frontend *)data;
1323 char *text;
1324
1325 text = midend_text_format(fe->me);
1326
1327 if (text) {
1328 write_clip(fe, text);
1329 } else {
1330 gdk_beep();
1331 }
1332}
1333
3847eb66 1334#ifdef OLD_FILESEL
1335
a4393230 1336static void filesel_ok(GtkButton *button, gpointer data)
1337{
1338 frontend *fe = (frontend *)data;
1339
1340 gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data");
1341
1342 const char *name =
1343 gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel));
1344
1345 fe->filesel_name = dupstr(name);
1346}
1347
1348static char *file_selector(frontend *fe, char *title, int save)
1349{
1350 GtkWidget *filesel =
1351 gtk_file_selection_new(title);
1352
1353 fe->filesel_name = NULL;
1354
1355 gtk_window_set_modal(GTK_WINDOW(filesel), TRUE);
1356 gtk_object_set_data
1357 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data",
1358 (gpointer)filesel);
1359 gtk_signal_connect
1360 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1361 GTK_SIGNAL_FUNC(filesel_ok), fe);
1362 gtk_signal_connect_object
1363 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked",
1364 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1365 gtk_signal_connect_object
1366 (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked",
1367 GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel);
1368 gtk_signal_connect(GTK_OBJECT(filesel), "destroy",
1369 GTK_SIGNAL_FUNC(window_destroy), NULL);
1370 gtk_widget_show(filesel);
1371 gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window));
1372 gtk_main();
1373
1374 return fe->filesel_name;
1375}
1376
3847eb66 1377#else
1378
1379static char *file_selector(frontend *fe, char *title, int save)
1380{
1381 char *filesel_name = NULL;
1382
1383 GtkWidget *filesel =
1384 gtk_file_chooser_dialog_new(title,
1385 GTK_WINDOW(fe->window),
1386 save ? GTK_FILE_CHOOSER_ACTION_SAVE :
1387 GTK_FILE_CHOOSER_ACTION_OPEN,
1388 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
1389 save ? GTK_STOCK_SAVE : GTK_STOCK_OPEN,
1390 GTK_RESPONSE_ACCEPT,
1391 NULL);
1392
1393 if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) {
1394 const char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel));
1395 filesel_name = dupstr(name);
1396 }
1397
1398 gtk_widget_destroy(filesel);
1399
1400 return filesel_name;
1401}
1402
1403#endif
1404
f7692dd8 1405struct savefile_write_ctx {
1406 FILE *fp;
1407 int error;
1408};
1409
a4393230 1410static void savefile_write(void *wctx, void *buf, int len)
1411{
f7692dd8 1412 struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx;
1413 if (fwrite(buf, 1, len, ctx->fp) < len)
8b5625f5 1414 ctx->error = errno;
a4393230 1415}
1416
1417static int savefile_read(void *wctx, void *buf, int len)
1418{
1419 FILE *fp = (FILE *)wctx;
1420 int ret;
1421
1422 ret = fread(buf, 1, len, fp);
1423 return (ret == len);
1424}
1425
1426static void menu_save_event(GtkMenuItem *menuitem, gpointer data)
1427{
1428 frontend *fe = (frontend *)data;
1429 char *name;
1430
1431 name = file_selector(fe, "Enter name of game file to save", TRUE);
1432
1433 if (name) {
668be019 1434 FILE *fp;
1435
1436 if ((fp = fopen(name, "r")) != NULL) {
1437 char buf[256 + FILENAME_MAX];
1438 fclose(fp);
1439 /* file exists */
1440
1441 sprintf(buf, "Are you sure you want to overwrite the"
1442 " file \"%.*s\"?",
1443 FILENAME_MAX, name);
1444 if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO))
1445 return;
1446 }
1447
1448 fp = fopen(name, "w");
a4393230 1449 sfree(name);
1450
1451 if (!fp) {
1452 error_box(fe->window, "Unable to open save file");
1453 return;
1454 }
1455
f7692dd8 1456 {
1457 struct savefile_write_ctx ctx;
1458 ctx.fp = fp;
1459 ctx.error = 0;
1460 midend_serialise(fe->me, savefile_write, &ctx);
1461 fclose(fp);
1462 if (ctx.error) {
8b5625f5 1463 char boxmsg[512];
1464 sprintf(boxmsg, "Error writing save file: %.400s",
1465 strerror(errno));
1466 error_box(fe->window, boxmsg);
f7692dd8 1467 return;
1468 }
1469 }
a4393230 1470
a4393230 1471 }
1472}
1473
1474static void menu_load_event(GtkMenuItem *menuitem, gpointer data)
1475{
1476 frontend *fe = (frontend *)data;
1477 char *name, *err;
a4393230 1478
1479 name = file_selector(fe, "Enter name of saved game file to load", FALSE);
1480
1481 if (name) {
1482 FILE *fp = fopen(name, "r");
1483 sfree(name);
1484
1485 if (!fp) {
1486 error_box(fe->window, "Unable to open saved game file");
1487 return;
1488 }
1489
1490 err = midend_deserialise(fe->me, savefile_read, fp);
1491
1492 fclose(fp);
1493
1494 if (err) {
1495 error_box(fe->window, err);
1496 return;
1497 }
1498
fa3abef5 1499 changed_preset(fe);
854a4f51 1500 resize_fe(fe);
a4393230 1501 }
1502}
1503
2ac6d24e 1504static void menu_solve_event(GtkMenuItem *menuitem, gpointer data)
1505{
1506 frontend *fe = (frontend *)data;
1507 char *msg;
1508
1509 msg = midend_solve(fe->me);
1510
1511 if (msg)
1512 error_box(fe->window, msg);
1513}
1514
7f89707c 1515static void menu_restart_event(GtkMenuItem *menuitem, gpointer data)
1516{
1517 frontend *fe = (frontend *)data;
1518
1519 midend_restart_game(fe->me);
1520}
1521
c8230524 1522static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
1523{
1524 frontend *fe = (frontend *)data;
5928817c 1525 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
1526 "user-data"));
c8230524 1527
98488ab9 1528 if (fe->preset_threaded ||
1529 (GTK_IS_CHECK_MENU_ITEM(menuitem) &&
1530 !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem))))
1531 return;
1532 changed_preset(fe); /* Put the old preset back! */
5928817c 1533 if (!get_config(fe, which))
c8230524 1534 return;
1535
5928817c 1536 midend_new_game(fe->me);
854a4f51 1537 resize_fe(fe);
c8230524 1538}
1539
97098757 1540static void menu_about_event(GtkMenuItem *menuitem, gpointer data)
1541{
1542 frontend *fe = (frontend *)data;
1543 char titlebuf[256];
1544 char textbuf[1024];
1545
1546 sprintf(titlebuf, "About %.200s", thegame.name);
1547 sprintf(textbuf,
1548 "%.200s\n\n"
1549 "from Simon Tatham's Portable Puzzle Collection\n\n"
1550 "%.500s", thegame.name, ver);
1551
668be019 1552 message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK);
97098757 1553}
1554
eb2ad6f1 1555static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
1556 char *text, int key)
1557{
1558 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
a383a9be 1559 int keyqual;
eb2ad6f1 1560 gtk_container_add(cont, menuitem);
1561 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1562 GINT_TO_POINTER(key));
1563 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1564 GTK_SIGNAL_FUNC(menu_key_event), fe);
a383a9be 1565 switch (key & ~0x1F) {
1566 case 0x00:
1567 key += 0x60;
1568 keyqual = GDK_CONTROL_MASK;
1569 break;
1570 case 0x40:
1571 key += 0x20;
1572 keyqual = GDK_SHIFT_MASK;
1573 break;
1574 default:
1575 keyqual = 0;
1576 break;
1577 }
1578 gtk_widget_add_accelerator(menuitem,
1579 "activate", fe->accelgroup,
1580 key, keyqual,
1581 GTK_ACCEL_VISIBLE);
eb2ad6f1 1582 gtk_widget_show(menuitem);
1583 return menuitem;
1584}
1585
1586static void add_menu_separator(GtkContainer *cont)
1587{
1588 GtkWidget *menuitem = gtk_menu_item_new();
1589 gtk_container_add(cont, menuitem);
1590 gtk_widget_show(menuitem);
1591}
1592
afc306fc 1593enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */
1594
1595static frontend *new_window(char *arg, int argtype, char **error)
2ef96bd6 1596{
1597 frontend *fe;
858d4f32 1598 GtkBox *vbox, *hbox;
eb2ad6f1 1599 GtkWidget *menubar, *menu, *menuitem;
f12cdd72 1600 GdkPixmap *iconpm;
1601 GList *iconlist;
eb2ad6f1 1602 int x, y, n;
dafd6cf6 1603 char errbuf[1024];
f12cdd72 1604 extern char *const *const xpm_icons[];
1605 extern const int n_xpm_icons;
83680571 1606
2ef96bd6 1607 fe = snew(frontend);
83680571 1608
171fbdaa 1609 fe->timer_active = FALSE;
1610 fe->timer_id = -1;
1611
dafd6cf6 1612 fe->me = midend_new(fe, &thegame, &gtk_drawing, fe);
171fbdaa 1613
7d1cfbb7 1614 if (arg) {
1615 char *err;
afc306fc 1616 FILE *fp;
dafd6cf6 1617
1618 errbuf[0] = '\0';
1619
afc306fc 1620 switch (argtype) {
1621 case ARG_ID:
1622 err = midend_game_id(fe->me, arg);
1623 if (!err)
1624 midend_new_game(fe->me);
1625 else
1626 sprintf(errbuf, "Invalid game ID: %.800s", err);
1627 break;
1628 case ARG_SAVE:
1629 fp = fopen(arg, "r");
7d1cfbb7 1630 if (!fp) {
afc306fc 1631 sprintf(errbuf, "Error opening file: %.800s", strerror(errno));
7d1cfbb7 1632 } else {
1633 err = midend_deserialise(fe->me, savefile_read, fp);
93548721 1634 if (err)
afc306fc 1635 sprintf(errbuf, "Invalid save file: %.800s", err);
93548721 1636 fclose(fp);
7d1cfbb7 1637 }
afc306fc 1638 break;
1639 default /*case ARG_EITHER*/:
1640 /*
1641 * First try treating the argument as a game ID.
1642 */
1643 err = midend_game_id(fe->me, arg);
1644 if (!err) {
1645 /*
1646 * It's a valid game ID.
1647 */
1648 midend_new_game(fe->me);
1649 } else {
1650 FILE *fp = fopen(arg, "r");
1651 if (!fp) {
1652 sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)"
1653 " nor a save file (%.400s)", err, strerror(errno));
1654 } else {
1655 err = midend_deserialise(fe->me, savefile_read, fp);
1656 if (err)
1657 sprintf(errbuf, "%.800s", err);
1658 fclose(fp);
1659 }
1660 }
1661 break;
1662 }
dafd6cf6 1663 if (*errbuf) {
1664 *error = dupstr(errbuf);
7d1cfbb7 1665 midend_free(fe->me);
1666 sfree(fe);
1667 return NULL;
1668 }
1669
1670 } else {
1671 midend_new_game(fe->me);
8b7938e7 1672 }
7f77ea24 1673
2ef96bd6 1674 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
be8d5aa1 1675 gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name);
47432032 1676
eb2ad6f1 1677 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
1678 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
1679 gtk_widget_show(GTK_WIDGET(vbox));
1680
a383a9be 1681 fe->accelgroup = gtk_accel_group_new();
1682 gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup);
1683
858d4f32 1684 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1685 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
1686 gtk_widget_show(GTK_WIDGET(hbox));
1687
eb2ad6f1 1688 menubar = gtk_menu_bar_new();
858d4f32 1689 gtk_box_pack_start(hbox, menubar, TRUE, TRUE, 0);
eb2ad6f1 1690 gtk_widget_show(menubar);
1691
f52166e6 1692 menuitem = gtk_menu_item_new_with_mnemonic("_Game");
eb2ad6f1 1693 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1694 gtk_widget_show(menuitem);
1695
1696 menu = gtk_menu_new();
1697 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1698
1699 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
7f89707c 1700
1701 menuitem = gtk_menu_item_new_with_label("Restart");
1702 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1703 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1704 GTK_SIGNAL_FUNC(menu_restart_event), fe);
1705 gtk_widget_show(menuitem);
eb2ad6f1 1706
5928817c 1707 menuitem = gtk_menu_item_new_with_label("Specific...");
1708 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1185e3c5 1709 GINT_TO_POINTER(CFG_DESC));
1710 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1711 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1712 GTK_SIGNAL_FUNC(menu_config_event), fe);
1713 gtk_widget_show(menuitem);
1714
1715 menuitem = gtk_menu_item_new_with_label("Random Seed...");
1716 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
5928817c 1717 GINT_TO_POINTER(CFG_SEED));
1718 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1719 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1720 GTK_SIGNAL_FUNC(menu_config_event), fe);
1721 gtk_widget_show(menuitem);
1722
98488ab9 1723 fe->preset_radio = NULL;
1724 fe->preset_custom = NULL;
1725 fe->n_preset_menu_items = 0;
1726 fe->preset_threaded = FALSE;
be8d5aa1 1727 if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) {
eb2ad6f1 1728 GtkWidget *submenu;
1729 int i;
1730
f52166e6 1731 menuitem = gtk_menu_item_new_with_mnemonic("_Type");
c8230524 1732 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
eb2ad6f1 1733 gtk_widget_show(menuitem);
1734
1735 submenu = gtk_menu_new();
1736 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
1737
1738 for (i = 0; i < n; i++) {
1739 char *name;
1740 game_params *params;
1741
1742 midend_fetch_preset(fe->me, i, &name, &params);
1743
98488ab9 1744 menuitem =
1745 gtk_radio_menu_item_new_with_label(fe->preset_radio, name);
1746 fe->preset_radio =
1747 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem));
1748 fe->n_preset_menu_items++;
eb2ad6f1 1749 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
1750 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
1751 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1752 GTK_SIGNAL_FUNC(menu_preset_event), fe);
1753 gtk_widget_show(menuitem);
1754 }
c8230524 1755
be8d5aa1 1756 if (thegame.can_configure) {
98488ab9 1757 menuitem = fe->preset_custom =
1758 gtk_radio_menu_item_new_with_label(fe->preset_radio,
1759 "Custom...");
1760 fe->preset_radio =
1761 gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem));
f92acd1a 1762 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
5928817c 1763 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1764 GPOINTER_TO_INT(CFG_SETTINGS));
c8230524 1765 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1766 GTK_SIGNAL_FUNC(menu_config_event), fe);
1767 gtk_widget_show(menuitem);
98488ab9 1768 }
f92acd1a 1769
eb2ad6f1 1770 }
1771
668be019 1772 add_menu_separator(GTK_CONTAINER(menu));
cccb7f09 1773 menuitem = gtk_menu_item_new_with_label("Load...");
668be019 1774 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1775 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1776 GTK_SIGNAL_FUNC(menu_load_event), fe);
1777 gtk_widget_show(menuitem);
cccb7f09 1778 menuitem = gtk_menu_item_new_with_label("Save...");
668be019 1779 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1780 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1781 GTK_SIGNAL_FUNC(menu_save_event), fe);
1782 gtk_widget_show(menuitem);
858d4f32 1783#ifndef STYLUS_BASED
eb2ad6f1 1784 add_menu_separator(GTK_CONTAINER(menu));
1785 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
a383a9be 1786 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r');
858d4f32 1787#endif
fa3abef5 1788 if (thegame.can_format_as_text_ever) {
9b4b03d3 1789 add_menu_separator(GTK_CONTAINER(menu));
1790 menuitem = gtk_menu_item_new_with_label("Copy");
1791 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1792 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1793 GTK_SIGNAL_FUNC(menu_copy_event), fe);
1794 gtk_widget_show(menuitem);
fa3abef5 1795 fe->copy_menu_item = menuitem;
1796 } else {
1797 fe->copy_menu_item = NULL;
9b4b03d3 1798 }
2ac6d24e 1799 if (thegame.can_solve) {
1800 add_menu_separator(GTK_CONTAINER(menu));
1801 menuitem = gtk_menu_item_new_with_label("Solve");
1802 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1803 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1804 GTK_SIGNAL_FUNC(menu_solve_event), fe);
1805 gtk_widget_show(menuitem);
1806 }
eb2ad6f1 1807 add_menu_separator(GTK_CONTAINER(menu));
1808 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
7f77ea24 1809
f52166e6 1810 menuitem = gtk_menu_item_new_with_mnemonic("_Help");
97098757 1811 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
1812 gtk_widget_show(menuitem);
1813
1814 menu = gtk_menu_new();
1815 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
1816
1817 menuitem = gtk_menu_item_new_with_label("About");
1818 gtk_container_add(GTK_CONTAINER(menu), menuitem);
1819 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
1820 GTK_SIGNAL_FUNC(menu_about_event), fe);
1821 gtk_widget_show(menuitem);
1822
858d4f32 1823#ifdef STYLUS_BASED
1824 menuitem=gtk_button_new_with_mnemonic("_Redo");
1825 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1826 GINT_TO_POINTER((int)('r')));
1827 gtk_signal_connect(GTK_OBJECT(menuitem), "clicked",
1828 GTK_SIGNAL_FUNC(menu_key_event), fe);
1829 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
1830 gtk_widget_show(menuitem);
1831
1832 menuitem=gtk_button_new_with_mnemonic("_Undo");
1833 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1834 GINT_TO_POINTER((int)('u')));
1835 gtk_signal_connect(GTK_OBJECT(menuitem), "clicked",
1836 GTK_SIGNAL_FUNC(menu_key_event), fe);
1837 gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0);
1838 gtk_widget_show(menuitem);
1839
1840 if (thegame.flags & REQUIRE_NUMPAD) {
1841 hbox = GTK_BOX(gtk_hbox_new(FALSE, 0));
1842 gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0);
1843 gtk_widget_show(GTK_WIDGET(hbox));
1844
1845 *((int*)errbuf)=0;
1846 errbuf[1]='\0';
1847 for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) {
1848 menuitem=gtk_button_new_with_label(errbuf);
1849 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
1850 GINT_TO_POINTER((int)(errbuf[0])));
1851 gtk_signal_connect(GTK_OBJECT(menuitem), "clicked",
1852 GTK_SIGNAL_FUNC(menu_key_event), fe);
1853 gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0);
1854 gtk_widget_show(menuitem);
1855 }
1856 }
1857#endif /* STYLUS_BASED */
1858
f1a5cc88 1859 changed_preset(fe);
1860
2ef96bd6 1861 {
1862 int i, ncolours;
1863 float *colours;
1864 gboolean *success;
7f77ea24 1865
2ef96bd6 1866 fe->colmap = gdk_colormap_get_system();
1867 colours = midend_colours(fe->me, &ncolours);
1868 fe->ncolours = ncolours;
1869 fe->colours = snewn(ncolours, GdkColor);
1870 for (i = 0; i < ncolours; i++) {
813593cc 1871 fe->colours[i].red = colours[i*3] * 0xFFFF;
1872 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
1873 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
2ef96bd6 1874 }
1875 success = snewn(ncolours, gboolean);
1876 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
1877 FALSE, FALSE, success);
1878 for (i = 0; i < ncolours; i++) {
810aa59e 1879 if (!success[i]) {
2ef96bd6 1880 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
1881 i, fe->colours[i].red >> 8,
1882 fe->colours[i].green >> 8,
1883 fe->colours[i].blue >> 8);
810aa59e 1884 }
2ef96bd6 1885 }
1886 }
7f77ea24 1887
fd1a1a2b 1888 if (midend_wants_statusbar(fe->me)) {
5725d728 1889 GtkWidget *viewport;
1890 GtkRequisition req;
1891
1892 viewport = gtk_viewport_new(NULL, NULL);
1893 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
fd1a1a2b 1894 fe->statusbar = gtk_statusbar_new();
5725d728 1895 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
1896 gtk_widget_show(viewport);
1897 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
fd1a1a2b 1898 gtk_widget_show(fe->statusbar);
1899 fe->statusctx = gtk_statusbar_get_context_id
1900 (GTK_STATUSBAR(fe->statusbar), "game");
1901 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
5725d728 1902 "test");
1903 gtk_widget_size_request(fe->statusbar, &req);
1904#if 0
1905 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
1906#endif
60d42abc 1907 gtk_widget_set_usize(viewport, -1, req.height);
fd1a1a2b 1908 } else
1909 fe->statusbar = NULL;
1910
2ef96bd6 1911 fe->area = gtk_drawing_area_new();
1e3e152d 1912 get_size(fe, &x, &y);
2ef96bd6 1913 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
1914 fe->w = x;
1915 fe->h = y;
1916
1e3e152d 1917 gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0);
2ef96bd6 1918
1919 fe->pixmap = NULL;
4efb3868 1920 fe->fonts = NULL;
1921 fe->nfonts = fe->fontsize = 0;
2ef96bd6 1922
9b4b03d3 1923 fe->paste_data = NULL;
1924 fe->paste_data_len = 0;
1925
2ef96bd6 1926 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
1927 GTK_SIGNAL_FUNC(destroy), fe);
1928 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
1929 GTK_SIGNAL_FUNC(key_event), fe);
1930 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
1931 GTK_SIGNAL_FUNC(button_event), fe);
74a4e547 1932 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
1933 GTK_SIGNAL_FUNC(button_event), fe);
1934 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
1935 GTK_SIGNAL_FUNC(motion_event), fe);
9b4b03d3 1936 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
1937 GTK_SIGNAL_FUNC(selection_get), fe);
1938 gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
1939 GTK_SIGNAL_FUNC(selection_clear), fe);
2ef96bd6 1940 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
1941 GTK_SIGNAL_FUNC(expose_area), fe);
fd1a1a2b 1942 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
1943 GTK_SIGNAL_FUNC(map_window), fe);
2ef96bd6 1944 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
1945 GTK_SIGNAL_FUNC(configure_area), fe);
1946
74a4e547 1947 gtk_widget_add_events(GTK_WIDGET(fe->area),
1948 GDK_BUTTON_PRESS_MASK |
1949 GDK_BUTTON_RELEASE_MASK |
4a59b80c 1950 GDK_BUTTON_MOTION_MASK |
1951 GDK_POINTER_MOTION_HINT_MASK);
2ef96bd6 1952
f12cdd72 1953 if (n_xpm_icons) {
1954 gtk_widget_realize(fe->window);
1955 iconpm = gdk_pixmap_create_from_xpm_d(fe->window->window, NULL,
1956 NULL, (gchar **)xpm_icons[0]);
1957 gdk_window_set_icon(fe->window->window, NULL, iconpm, NULL);
1958 iconlist = NULL;
1959 for (n = 0; n < n_xpm_icons; n++) {
1960 iconlist =
1961 g_list_append(iconlist,
1962 gdk_pixbuf_new_from_xpm_data((const gchar **)
1963 xpm_icons[n]));
1964 }
1965 gdk_window_set_icon_list(fe->window->window, iconlist);
1966 }
1967
2ef96bd6 1968 gtk_widget_show(fe->area);
1969 gtk_widget_show(fe->window);
1970
8b629657 1971 /*
1972 * Now that we've established the preferred size of the window,
1973 * reduce the drawing area's size request so the user can shrink
1974 * the window.
1975 */
1976 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1);
1977
1e3e152d 1978 gdk_window_set_background(fe->area->window, &fe->colours[0]);
1979 gdk_window_set_background(fe->window->window, &fe->colours[0]);
1980
2ef96bd6 1981 return fe;
83680571 1982}
1983
dafd6cf6 1984char *fgetline(FILE *fp)
1985{
1986 char *ret = snewn(512, char);
1987 int size = 512, len = 0;
1988 while (fgets(ret + len, size - len, fp)) {
1989 len += strlen(ret + len);
1990 if (ret[len-1] == '\n')
1991 break; /* got a newline, we're done */
1992 size = len + 512;
1993 ret = sresize(ret, size, char);
1994 }
1995 if (len == 0) { /* first fgets returned NULL */
1996 sfree(ret);
1997 return NULL;
1998 }
1999 ret[len] = '\0';
2000 return ret;
2001}
2002
83680571 2003int main(int argc, char **argv)
2004{
8b7938e7 2005 char *pname = argv[0];
2006 char *error;
dafd6cf6 2007 int ngenerate = 0, print = FALSE, px = 1, py = 1;
2008 int soln = FALSE, colour = FALSE;
2009 float scale = 1.0F;
afc306fc 2010 float redo_proportion = 0.0F;
8b5625f5 2011 char *savefile = NULL, *savesuffix = NULL;
dafd6cf6 2012 char *arg = NULL;
afc306fc 2013 int argtype = ARG_EITHER;
9edb9f35 2014 char *screenshot_file = NULL;
dafd6cf6 2015 int doing_opts = TRUE;
2016 int ac = argc;
2017 char **av = argv;
2018 char errbuf[500];
8b7938e7 2019
dafd6cf6 2020 /*
2021 * Command line parsing in this function is rather fiddly,
2022 * because GTK wants to have a go at argc/argv _first_ - and
2023 * yet we can't let it, because gtk_init() will bomb out if it
2024 * can't open an X display, whereas in fact we want to permit
2025 * our --generate and --print modes to run without an X
2026 * display.
2027 *
2028 * So what we do is:
2029 * - we parse the command line ourselves, without modifying
2030 * argc/argv
2031 * - if we encounter an error which might plausibly be the
2032 * result of a GTK command line (i.e. not detailed errors in
2033 * particular options of ours) we store the error message
2034 * and terminate parsing.
2035 * - if we got enough out of the command line to know it
2036 * specifies a non-X mode of operation, we either display
2037 * the stored error and return failure, or if there is no
2038 * stored error we do the non-X operation and return
2039 * success.
2040 * - otherwise, we go straight to gtk_init().
2041 */
2042
2043 errbuf[0] = '\0';
2044 while (--ac > 0) {
2045 char *p = *++av;
2046 if (doing_opts && !strcmp(p, "--version")) {
2047 printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n",
2048 thegame.name, ver);
2049 return 0;
2050 } else if (doing_opts && !strcmp(p, "--generate")) {
2051 if (--ac > 0) {
2052 ngenerate = atoi(*++av);
2053 if (!ngenerate) {
2054 fprintf(stderr, "%s: '--generate' expected a number\n",
2055 pname);
2056 return 1;
2057 }
2058 } else
2059 ngenerate = 1;
8b5625f5 2060 } else if (doing_opts && !strcmp(p, "--save")) {
2061 if (--ac > 0) {
2062 savefile = *++av;
2063 } else {
2064 fprintf(stderr, "%s: '--save' expected a filename\n",
2065 pname);
2066 return 1;
2067 }
2068 } else if (doing_opts && (!strcmp(p, "--save-suffix") ||
2069 !strcmp(p, "--savesuffix"))) {
2070 if (--ac > 0) {
2071 savesuffix = *++av;
2072 } else {
2073 fprintf(stderr, "%s: '--save-suffix' expected a filename\n",
2074 pname);
2075 return 1;
2076 }
dafd6cf6 2077 } else if (doing_opts && !strcmp(p, "--print")) {
2078 if (!thegame.can_print) {
2079 fprintf(stderr, "%s: this game does not support printing\n",
2080 pname);
2081 return 1;
2082 }
2083 print = TRUE;
2084 if (--ac > 0) {
2085 char *dim = *++av;
2086 if (sscanf(dim, "%dx%d", &px, &py) != 2) {
2087 fprintf(stderr, "%s: unable to parse argument '%s' to "
2088 "'--print'\n", pname, dim);
2089 return 1;
2090 }
2091 } else {
2092 px = py = 1;
2093 }
2094 } else if (doing_opts && !strcmp(p, "--scale")) {
2095 if (--ac > 0) {
2096 scale = atof(*++av);
2097 } else {
2098 fprintf(stderr, "%s: no argument supplied to '--scale'\n",
2099 pname);
2100 return 1;
2101 }
afc306fc 2102 } else if (doing_opts && !strcmp(p, "--redo")) {
2103 /*
2104 * This is an internal option which I don't expect
2105 * users to have any particular use for. The effect of
2106 * --redo is that once the game has been loaded and
2107 * initialised, the next move in the redo chain is
2108 * replayed, and the game screen is redrawn part way
2109 * through the making of the move. This is only
2110 * meaningful if there _is_ a next move in the redo
2111 * chain, which means in turn that this option is only
2112 * useful if you're also passing a save file on the
2113 * command line.
2114 *
2115 * This option is used by the script which generates
2116 * the puzzle icons and website screenshots, and I
2117 * don't imagine it's useful for anything else.
2118 * (Unless, I suppose, users don't like my screenshots
2119 * and want to generate their own in the same way for
2120 * some repackaged version of the puzzles.)
2121 */
2122 if (--ac > 0) {
2123 redo_proportion = atof(*++av);
2124 } else {
2125 fprintf(stderr, "%s: no argument supplied to '--redo'\n",
2126 pname);
2127 return 1;
2128 }
9edb9f35 2129 } else if (doing_opts && !strcmp(p, "--screenshot")) {
afc306fc 2130 /*
2131 * Another internal option for the icon building
9edb9f35 2132 * script. This causes a screenshot of the central
afc306fc 2133 * drawing area (i.e. not including the menu bar or
9edb9f35 2134 * status bar) to be saved to a PNG file once the
2135 * window has been drawn, and then the application
2136 * quits immediately.
afc306fc 2137 */
9edb9f35 2138 if (--ac > 0) {
2139 screenshot_file = *++av;
2140 } else {
2141 fprintf(stderr, "%s: no argument supplied to '--screenshot'\n",
2142 pname);
2143 return 1;
2144 }
dafd6cf6 2145 } else if (doing_opts && (!strcmp(p, "--with-solutions") ||
2146 !strcmp(p, "--with-solution") ||
2147 !strcmp(p, "--with-solns") ||
2148 !strcmp(p, "--with-soln") ||
2149 !strcmp(p, "--solutions") ||
2150 !strcmp(p, "--solution") ||
2151 !strcmp(p, "--solns") ||
2152 !strcmp(p, "--soln"))) {
2153 soln = TRUE;
2154 } else if (doing_opts && !strcmp(p, "--colour")) {
2155 if (!thegame.can_print_in_colour) {
2156 fprintf(stderr, "%s: this game does not support colour"
2157 " printing\n", pname);
2158 return 1;
2159 }
2160 colour = TRUE;
afc306fc 2161 } else if (doing_opts && !strcmp(p, "--load")) {
2162 argtype = ARG_SAVE;
2163 } else if (doing_opts && !strcmp(p, "--game")) {
2164 argtype = ARG_ID;
dafd6cf6 2165 } else if (doing_opts && !strcmp(p, "--")) {
2166 doing_opts = FALSE;
2167 } else if (!doing_opts || p[0] != '-') {
2168 if (arg) {
2169 fprintf(stderr, "%s: more than one argument supplied\n",
2170 pname);
2171 return 1;
2172 }
2173 arg = p;
2174 } else {
2175 sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n",
2176 pname, p);
2177 break;
2178 }
45f953cc 2179 }
2180
95c76d7c 2181 if (*errbuf) {
2182 fputs(errbuf, stderr);
2183 return 1;
2184 }
2185
d91e1fc9 2186 /*
2187 * Special standalone mode for generating puzzle IDs on the
2188 * command line. Useful for generating puzzles to be printed
2189 * out and solved offline (for puzzles where that even makes
2190 * sense - Solo, for example, is a lot more pencil-and-paper
dafd6cf6 2191 * friendly than Twiddle!)
d91e1fc9 2192 *
2193 * Usage:
2194 *
2195 * <puzzle-name> --generate [<n> [<params>]]
2196 *
2197 * <n>, if present, is the number of puzzle IDs to generate.
2198 * <params>, if present, is the same type of parameter string
2199 * you would pass to the puzzle when running it in GUI mode,
2200 * including optional extras such as the expansion factor in
2201 * Rectangles and the difficulty level in Solo.
2202 *
2203 * If you specify <params>, you must also specify <n> (although
2204 * you may specify it to be 1). Sorry; that was the
2205 * simplest-to-parse command-line syntax I came up with.
2206 */
8b5625f5 2207 if (ngenerate > 0 || print || savefile || savesuffix) {
dafd6cf6 2208 int i, n = 1;
2209 midend *me;
2210 char *id;
2211 document *doc = NULL;
2212
dafd6cf6 2213 n = ngenerate;
2214
2215 me = midend_new(NULL, &thegame, NULL, NULL);
2216 i = 0;
2217
8b5625f5 2218 if (savefile && !savesuffix)
2219 savesuffix = "";
2220 if (!savefile && savesuffix)
2221 savefile = "";
2222
dafd6cf6 2223 if (print)
2224 doc = document_new(px, py, scale);
2225
2226 /*
2227 * In this loop, we either generate a game ID or read one
2228 * from stdin depending on whether we're in generate mode;
2229 * then we either write it to stdout or print it, depending
2230 * on whether we're in print mode. Thus, this loop handles
2231 * generate-to-stdout, print-from-stdin and generate-and-
2232 * immediately-print modes.
2233 *
2234 * (It could also handle a copy-stdin-to-stdout mode,
2235 * although there's currently no combination of options
2236 * which will cause this loop to be activated in that mode.
2237 * It wouldn't be _entirely_ pointless, though, because
2238 * stdin could contain bare params strings or random-seed
2239 * IDs, and stdout would contain nothing but fully
2240 * generated descriptive game IDs.)
2241 */
2242 while (ngenerate == 0 || i < n) {
2243 char *pstr, *err;
2244
2245 if (ngenerate == 0) {
2246 pstr = fgetline(stdin);
2247 if (!pstr)
2248 break;
2249 pstr[strcspn(pstr, "\r\n")] = '\0';
2250 } else {
2251 if (arg) {
2252 pstr = snewn(strlen(arg) + 40, char);
2253
2254 strcpy(pstr, arg);
2255 if (i > 0 && strchr(arg, '#'))
2256 sprintf(pstr + strlen(pstr), "-%d", i);
2257 } else
2258 pstr = NULL;
2259 }
2260
2261 if (pstr) {
2262 err = midend_game_id(me, pstr);
2263 if (err) {
2264 fprintf(stderr, "%s: error parsing '%s': %s\n",
2265 pname, pstr, err);
2266 return 1;
2267 }
2268 }
2269 sfree(pstr);
2270
2271 midend_new_game(me);
2272
2273 if (doc) {
2274 err = midend_print_puzzle(me, doc, soln);
2275 if (err) {
2276 fprintf(stderr, "%s: error in printing: %s\n", pname, err);
2277 return 1;
2278 }
8b5625f5 2279 }
2280 if (savefile) {
2281 struct savefile_write_ctx ctx;
2282 char *realname = snewn(40 + strlen(savefile) +
2283 strlen(savesuffix), char);
2284 sprintf(realname, "%s%d%s", savefile, i, savesuffix);
2285 ctx.fp = fopen(realname, "w");
2286 if (!ctx.fp) {
2287 fprintf(stderr, "%s: open: %s\n", realname,
2288 strerror(errno));
2289 return 1;
2290 }
2291 sfree(realname);
2292 midend_serialise(me, savefile_write, &ctx);
2293 if (ctx.error) {
2294 fprintf(stderr, "%s: write: %s\n", realname,
2295 strerror(ctx.error));
2296 return 1;
2297 }
2298 if (fclose(ctx.fp)) {
2299 fprintf(stderr, "%s: close: %s\n", realname,
2300 strerror(errno));
2301 return 1;
2302 }
2303 }
2304 if (!doc && !savefile) {
dafd6cf6 2305 id = midend_get_game_id(me);
2306 puts(id);
2307 sfree(id);
2308 }
2309
2310 i++;
d91e1fc9 2311 }
8b7938e7 2312
dafd6cf6 2313 if (doc) {
2314 psdata *ps = ps_init(stdout, colour);
2315 document_print(doc, ps_drawing_api(ps));
2316 document_free(doc);
2317 ps_free(ps);
2318 }
2319
2320 midend_free(me);
2321
d91e1fc9 2322 return 0;
2323 } else {
afc306fc 2324 frontend *fe;
d91e1fc9 2325
2326 gtk_init(&argc, &argv);
2327
afc306fc 2328 fe = new_window(arg, argtype, &error);
2329
2330 if (!fe) {
d91e1fc9 2331 fprintf(stderr, "%s: %s\n", pname, error);
2332 return 1;
2333 }
2334
9edb9f35 2335 if (screenshot_file) {
afc306fc 2336 /*
2337 * Some puzzles will not redraw their entire area if
2338 * given a partially completed animation, which means
2339 * we must redraw now and _then_ redraw again after
2340 * freezing the move timer.
2341 */
2342 midend_force_redraw(fe->me);
2343 }
2344
2345 if (redo_proportion) {
2346 /* Start a redo. */
2347 midend_process_key(fe->me, 0, 0, 'r');
2348 /* And freeze the timer at the specified position. */
2349 midend_freeze_timer(fe->me, redo_proportion);
2350 }
2351
9edb9f35 2352 if (screenshot_file) {
2353 GdkPixbuf *pb;
851e6f7c 2354 GError *gerror = NULL;
9edb9f35 2355
afc306fc 2356 midend_redraw(fe->me);
9edb9f35 2357
2358 pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap,
2359 NULL, 0, 0, 0, 0, -1, -1);
5136fa6a 2360 gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL);
9edb9f35 2361
2362 exit(0);
afc306fc 2363 }
2364
d91e1fc9 2365 gtk_main();
2366 }
83680571 2367
2368 return 0;
2369}
Simon Tatham's portable puzzles collection; import of svn://svn.tartarus.org/sgt/puzzles