| 1 | /* |
| 2 | * gtk.c: GTK front end for my puzzle collection. |
| 3 | */ |
| 4 | |
| 5 | #include <stdio.h> |
| 6 | #include <assert.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <time.h> |
| 9 | #include <stdarg.h> |
| 10 | #include <string.h> |
| 11 | #include <errno.h> |
| 12 | |
| 13 | #include <sys/time.h> |
| 14 | |
| 15 | #include <gtk/gtk.h> |
| 16 | #include <gdk/gdkkeysyms.h> |
| 17 | |
| 18 | #include <gdk/gdkx.h> |
| 19 | #include <X11/Xlib.h> |
| 20 | #include <X11/Xutil.h> |
| 21 | #include <X11/Xatom.h> |
| 22 | |
| 23 | #include "puzzles.h" |
| 24 | |
| 25 | #if GTK_CHECK_VERSION(2,0,0) |
| 26 | #define USE_PANGO |
| 27 | #endif |
| 28 | |
| 29 | #ifdef DEBUGGING |
| 30 | static FILE *debug_fp = NULL; |
| 31 | |
| 32 | void dputs(char *buf) |
| 33 | { |
| 34 | if (!debug_fp) { |
| 35 | debug_fp = fopen("debug.log", "w"); |
| 36 | } |
| 37 | |
| 38 | fputs(buf, stderr); |
| 39 | |
| 40 | if (debug_fp) { |
| 41 | fputs(buf, debug_fp); |
| 42 | fflush(debug_fp); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | void debug_printf(char *fmt, ...) |
| 47 | { |
| 48 | char buf[4096]; |
| 49 | va_list ap; |
| 50 | |
| 51 | va_start(ap, fmt); |
| 52 | vsprintf(buf, fmt, ap); |
| 53 | dputs(buf); |
| 54 | va_end(ap); |
| 55 | } |
| 56 | #endif |
| 57 | |
| 58 | /* ---------------------------------------------------------------------- |
| 59 | * Error reporting functions used elsewhere. |
| 60 | */ |
| 61 | |
| 62 | void fatal(char *fmt, ...) |
| 63 | { |
| 64 | va_list ap; |
| 65 | |
| 66 | fprintf(stderr, "fatal error: "); |
| 67 | |
| 68 | va_start(ap, fmt); |
| 69 | vfprintf(stderr, fmt, ap); |
| 70 | va_end(ap); |
| 71 | |
| 72 | fprintf(stderr, "\n"); |
| 73 | exit(1); |
| 74 | } |
| 75 | |
| 76 | /* ---------------------------------------------------------------------- |
| 77 | * GTK front end to puzzles. |
| 78 | */ |
| 79 | |
| 80 | struct font { |
| 81 | #ifdef USE_PANGO |
| 82 | PangoFontDescription *desc; |
| 83 | #else |
| 84 | GdkFont *font; |
| 85 | #endif |
| 86 | int type; |
| 87 | int size; |
| 88 | }; |
| 89 | |
| 90 | /* |
| 91 | * This structure holds all the data relevant to a single window. |
| 92 | * In principle this would allow us to open multiple independent |
| 93 | * puzzle windows, although I can't currently see any real point in |
| 94 | * doing so. I'm just coding cleanly because there's no |
| 95 | * particularly good reason not to. |
| 96 | */ |
| 97 | struct frontend { |
| 98 | GtkWidget *window; |
| 99 | GtkWidget *area; |
| 100 | GtkWidget *statusbar; |
| 101 | guint statusctx; |
| 102 | GdkPixmap *pixmap; |
| 103 | GdkColor *colours; |
| 104 | int ncolours; |
| 105 | GdkColormap *colmap; |
| 106 | int w, h; |
| 107 | midend *me; |
| 108 | GdkGC *gc; |
| 109 | int bbox_l, bbox_r, bbox_u, bbox_d; |
| 110 | int timer_active, timer_id; |
| 111 | struct timeval last_time; |
| 112 | struct font *fonts; |
| 113 | int nfonts, fontsize; |
| 114 | config_item *cfg; |
| 115 | int cfg_which, cfgret; |
| 116 | GtkWidget *cfgbox; |
| 117 | void *paste_data; |
| 118 | int paste_data_len; |
| 119 | int pw, ph; /* pixmap size (w, h are area size) */ |
| 120 | int ox, oy; /* offset of pixmap in drawing area */ |
| 121 | char *filesel_name; |
| 122 | }; |
| 123 | |
| 124 | void get_random_seed(void **randseed, int *randseedsize) |
| 125 | { |
| 126 | struct timeval *tvp = snew(struct timeval); |
| 127 | gettimeofday(tvp, NULL); |
| 128 | *randseed = (void *)tvp; |
| 129 | *randseedsize = sizeof(struct timeval); |
| 130 | } |
| 131 | |
| 132 | void frontend_default_colour(frontend *fe, float *output) |
| 133 | { |
| 134 | GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL]; |
| 135 | output[0] = col.red / 65535.0; |
| 136 | output[1] = col.green / 65535.0; |
| 137 | output[2] = col.blue / 65535.0; |
| 138 | } |
| 139 | |
| 140 | void gtk_status_bar(void *handle, char *text) |
| 141 | { |
| 142 | frontend *fe = (frontend *)handle; |
| 143 | |
| 144 | assert(fe->statusbar); |
| 145 | |
| 146 | gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx); |
| 147 | gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text); |
| 148 | } |
| 149 | |
| 150 | void gtk_start_draw(void *handle) |
| 151 | { |
| 152 | frontend *fe = (frontend *)handle; |
| 153 | fe->gc = gdk_gc_new(fe->area->window); |
| 154 | fe->bbox_l = fe->w; |
| 155 | fe->bbox_r = 0; |
| 156 | fe->bbox_u = fe->h; |
| 157 | fe->bbox_d = 0; |
| 158 | } |
| 159 | |
| 160 | void gtk_clip(void *handle, int x, int y, int w, int h) |
| 161 | { |
| 162 | frontend *fe = (frontend *)handle; |
| 163 | GdkRectangle rect; |
| 164 | |
| 165 | rect.x = x; |
| 166 | rect.y = y; |
| 167 | rect.width = w; |
| 168 | rect.height = h; |
| 169 | |
| 170 | gdk_gc_set_clip_rectangle(fe->gc, &rect); |
| 171 | } |
| 172 | |
| 173 | void gtk_unclip(void *handle) |
| 174 | { |
| 175 | frontend *fe = (frontend *)handle; |
| 176 | GdkRectangle rect; |
| 177 | |
| 178 | rect.x = 0; |
| 179 | rect.y = 0; |
| 180 | rect.width = fe->w; |
| 181 | rect.height = fe->h; |
| 182 | |
| 183 | gdk_gc_set_clip_rectangle(fe->gc, &rect); |
| 184 | } |
| 185 | |
| 186 | void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize, |
| 187 | int align, int colour, char *text) |
| 188 | { |
| 189 | frontend *fe = (frontend *)handle; |
| 190 | int i; |
| 191 | |
| 192 | /* |
| 193 | * Find or create the font. |
| 194 | */ |
| 195 | for (i = 0; i < fe->nfonts; i++) |
| 196 | if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize) |
| 197 | break; |
| 198 | |
| 199 | if (i == fe->nfonts) { |
| 200 | if (fe->fontsize <= fe->nfonts) { |
| 201 | fe->fontsize = fe->nfonts + 10; |
| 202 | fe->fonts = sresize(fe->fonts, fe->fontsize, struct font); |
| 203 | } |
| 204 | |
| 205 | fe->nfonts++; |
| 206 | |
| 207 | fe->fonts[i].type = fonttype; |
| 208 | fe->fonts[i].size = fontsize; |
| 209 | |
| 210 | #ifdef USE_PANGO |
| 211 | /* |
| 212 | * Use Pango to find the closest match to the requested |
| 213 | * font. |
| 214 | */ |
| 215 | { |
| 216 | PangoFontDescription *fd; |
| 217 | |
| 218 | fd = pango_font_description_new(); |
| 219 | /* `Monospace' and `Sans' are meta-families guaranteed to exist */ |
| 220 | pango_font_description_set_family(fd, fonttype == FONT_FIXED ? |
| 221 | "Monospace" : "Sans"); |
| 222 | pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD); |
| 223 | /* |
| 224 | * I found some online Pango documentation which |
| 225 | * described a function called |
| 226 | * pango_font_description_set_absolute_size(), which is |
| 227 | * _exactly_ what I want here. Unfortunately, none of |
| 228 | * my local Pango installations have it (presumably |
| 229 | * they're too old), so I'm going to have to hack round |
| 230 | * it by figuring out the point size myself. This |
| 231 | * limits me to X and probably also breaks in later |
| 232 | * Pango installations, so ideally I should add another |
| 233 | * CHECK_VERSION type ifdef and use set_absolute_size |
| 234 | * where available. All very annoying. |
| 235 | */ |
| 236 | #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION |
| 237 | pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize); |
| 238 | #else |
| 239 | { |
| 240 | Display *d = GDK_DISPLAY(); |
| 241 | int s = DefaultScreen(d); |
| 242 | double resolution = |
| 243 | (PANGO_SCALE * 72.27 / 25.4) * |
| 244 | ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s)); |
| 245 | pango_font_description_set_size(fd, resolution * fontsize); |
| 246 | } |
| 247 | #endif |
| 248 | fe->fonts[i].desc = fd; |
| 249 | } |
| 250 | |
| 251 | #else |
| 252 | /* |
| 253 | * In GTK 1.2, I don't know of any plausible way to |
| 254 | * pick a suitable font, so I'm just going to be |
| 255 | * tedious. |
| 256 | */ |
| 257 | fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ? |
| 258 | "fixed" : "variable"); |
| 259 | #endif |
| 260 | |
| 261 | } |
| 262 | |
| 263 | /* |
| 264 | * Set the colour. |
| 265 | */ |
| 266 | gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); |
| 267 | |
| 268 | #ifdef USE_PANGO |
| 269 | |
| 270 | { |
| 271 | PangoLayout *layout; |
| 272 | PangoRectangle rect; |
| 273 | |
| 274 | /* |
| 275 | * Create a layout. |
| 276 | */ |
| 277 | layout = pango_layout_new(gtk_widget_get_pango_context(fe->area)); |
| 278 | pango_layout_set_font_description(layout, fe->fonts[i].desc); |
| 279 | pango_layout_set_text(layout, text, strlen(text)); |
| 280 | pango_layout_get_pixel_extents(layout, NULL, &rect); |
| 281 | |
| 282 | if (align & ALIGN_VCENTRE) |
| 283 | rect.y -= rect.height / 2; |
| 284 | else |
| 285 | rect.y -= rect.height; |
| 286 | |
| 287 | if (align & ALIGN_HCENTRE) |
| 288 | rect.x -= rect.width / 2; |
| 289 | else if (align & ALIGN_HRIGHT) |
| 290 | rect.x -= rect.width; |
| 291 | |
| 292 | gdk_draw_layout(fe->pixmap, fe->gc, rect.x + x, rect.y + y, layout); |
| 293 | |
| 294 | g_object_unref(layout); |
| 295 | } |
| 296 | |
| 297 | #else |
| 298 | /* |
| 299 | * Find string dimensions and process alignment. |
| 300 | */ |
| 301 | { |
| 302 | int lb, rb, wid, asc, desc; |
| 303 | |
| 304 | /* |
| 305 | * Measure vertical string extents with respect to the same |
| 306 | * string always... |
| 307 | */ |
| 308 | gdk_string_extents(fe->fonts[i].font, |
| 309 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ", |
| 310 | &lb, &rb, &wid, &asc, &desc); |
| 311 | if (align & ALIGN_VCENTRE) |
| 312 | y += asc - (asc+desc)/2; |
| 313 | else |
| 314 | y += asc; |
| 315 | |
| 316 | /* |
| 317 | * ... but horizontal extents with respect to the provided |
| 318 | * string. This means that multiple pieces of text centred |
| 319 | * on the same y-coordinate don't have different baselines. |
| 320 | */ |
| 321 | gdk_string_extents(fe->fonts[i].font, text, |
| 322 | &lb, &rb, &wid, &asc, &desc); |
| 323 | |
| 324 | if (align & ALIGN_HCENTRE) |
| 325 | x -= wid / 2; |
| 326 | else if (align & ALIGN_HRIGHT) |
| 327 | x -= wid; |
| 328 | |
| 329 | } |
| 330 | |
| 331 | /* |
| 332 | * Actually draw the text. |
| 333 | */ |
| 334 | gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text); |
| 335 | #endif |
| 336 | |
| 337 | } |
| 338 | |
| 339 | void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour) |
| 340 | { |
| 341 | frontend *fe = (frontend *)handle; |
| 342 | gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); |
| 343 | gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h); |
| 344 | } |
| 345 | |
| 346 | void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour) |
| 347 | { |
| 348 | frontend *fe = (frontend *)handle; |
| 349 | gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); |
| 350 | gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2); |
| 351 | } |
| 352 | |
| 353 | void gtk_draw_poly(void *handle, int *coords, int npoints, |
| 354 | int fillcolour, int outlinecolour) |
| 355 | { |
| 356 | frontend *fe = (frontend *)handle; |
| 357 | GdkPoint *points = snewn(npoints, GdkPoint); |
| 358 | int i; |
| 359 | |
| 360 | for (i = 0; i < npoints; i++) { |
| 361 | points[i].x = coords[i*2]; |
| 362 | points[i].y = coords[i*2+1]; |
| 363 | } |
| 364 | |
| 365 | if (fillcolour >= 0) { |
| 366 | gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]); |
| 367 | gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints); |
| 368 | } |
| 369 | assert(outlinecolour >= 0); |
| 370 | gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]); |
| 371 | |
| 372 | /* |
| 373 | * In principle we ought to be able to use gdk_draw_polygon for |
| 374 | * the outline as well. In fact, it turns out to interact badly |
| 375 | * with a clipping region, for no terribly obvious reason, so I |
| 376 | * draw the outline as a sequence of lines instead. |
| 377 | */ |
| 378 | for (i = 0; i < npoints; i++) |
| 379 | gdk_draw_line(fe->pixmap, fe->gc, |
| 380 | points[i].x, points[i].y, |
| 381 | points[(i+1)%npoints].x, points[(i+1)%npoints].y); |
| 382 | |
| 383 | sfree(points); |
| 384 | } |
| 385 | |
| 386 | void gtk_draw_circle(void *handle, int cx, int cy, int radius, |
| 387 | int fillcolour, int outlinecolour) |
| 388 | { |
| 389 | frontend *fe = (frontend *)handle; |
| 390 | if (fillcolour >= 0) { |
| 391 | gdk_gc_set_foreground(fe->gc, &fe->colours[fillcolour]); |
| 392 | gdk_draw_arc(fe->pixmap, fe->gc, TRUE, |
| 393 | cx - radius, cy - radius, |
| 394 | 2 * radius, 2 * radius, 0, 360 * 64); |
| 395 | } |
| 396 | |
| 397 | assert(outlinecolour >= 0); |
| 398 | gdk_gc_set_foreground(fe->gc, &fe->colours[outlinecolour]); |
| 399 | gdk_draw_arc(fe->pixmap, fe->gc, FALSE, |
| 400 | cx - radius, cy - radius, |
| 401 | 2 * radius, 2 * radius, 0, 360 * 64); |
| 402 | } |
| 403 | |
| 404 | struct blitter { |
| 405 | GdkPixmap *pixmap; |
| 406 | int w, h, x, y; |
| 407 | }; |
| 408 | |
| 409 | blitter *gtk_blitter_new(void *handle, int w, int h) |
| 410 | { |
| 411 | /* |
| 412 | * We can't create the pixmap right now, because fe->window |
| 413 | * might not yet exist. So we just cache w and h and create it |
| 414 | * during the firs call to blitter_save. |
| 415 | */ |
| 416 | blitter *bl = snew(blitter); |
| 417 | bl->pixmap = NULL; |
| 418 | bl->w = w; |
| 419 | bl->h = h; |
| 420 | return bl; |
| 421 | } |
| 422 | |
| 423 | void gtk_blitter_free(void *handle, blitter *bl) |
| 424 | { |
| 425 | if (bl->pixmap) |
| 426 | gdk_pixmap_unref(bl->pixmap); |
| 427 | sfree(bl); |
| 428 | } |
| 429 | |
| 430 | void gtk_blitter_save(void *handle, blitter *bl, int x, int y) |
| 431 | { |
| 432 | frontend *fe = (frontend *)handle; |
| 433 | if (!bl->pixmap) |
| 434 | bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1); |
| 435 | bl->x = x; |
| 436 | bl->y = y; |
| 437 | gdk_draw_pixmap(bl->pixmap, |
| 438 | fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)], |
| 439 | fe->pixmap, |
| 440 | x, y, 0, 0, bl->w, bl->h); |
| 441 | } |
| 442 | |
| 443 | void gtk_blitter_load(void *handle, blitter *bl, int x, int y) |
| 444 | { |
| 445 | frontend *fe = (frontend *)handle; |
| 446 | assert(bl->pixmap); |
| 447 | if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) { |
| 448 | x = bl->x; |
| 449 | y = bl->y; |
| 450 | } |
| 451 | gdk_draw_pixmap(fe->pixmap, |
| 452 | fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)], |
| 453 | bl->pixmap, |
| 454 | 0, 0, x, y, bl->w, bl->h); |
| 455 | } |
| 456 | |
| 457 | void gtk_draw_update(void *handle, int x, int y, int w, int h) |
| 458 | { |
| 459 | frontend *fe = (frontend *)handle; |
| 460 | if (fe->bbox_l > x ) fe->bbox_l = x ; |
| 461 | if (fe->bbox_r < x+w) fe->bbox_r = x+w; |
| 462 | if (fe->bbox_u > y ) fe->bbox_u = y ; |
| 463 | if (fe->bbox_d < y+h) fe->bbox_d = y+h; |
| 464 | } |
| 465 | |
| 466 | void gtk_end_draw(void *handle) |
| 467 | { |
| 468 | frontend *fe = (frontend *)handle; |
| 469 | gdk_gc_unref(fe->gc); |
| 470 | fe->gc = NULL; |
| 471 | |
| 472 | if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) { |
| 473 | gdk_draw_pixmap(fe->area->window, |
| 474 | fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)], |
| 475 | fe->pixmap, |
| 476 | fe->bbox_l, fe->bbox_u, |
| 477 | fe->ox + fe->bbox_l, fe->oy + fe->bbox_u, |
| 478 | fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u); |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | const struct drawing_api gtk_drawing = { |
| 483 | gtk_draw_text, |
| 484 | gtk_draw_rect, |
| 485 | gtk_draw_line, |
| 486 | gtk_draw_poly, |
| 487 | gtk_draw_circle, |
| 488 | gtk_draw_update, |
| 489 | gtk_clip, |
| 490 | gtk_unclip, |
| 491 | gtk_start_draw, |
| 492 | gtk_end_draw, |
| 493 | gtk_status_bar, |
| 494 | gtk_blitter_new, |
| 495 | gtk_blitter_free, |
| 496 | gtk_blitter_save, |
| 497 | gtk_blitter_load, |
| 498 | NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */ |
| 499 | NULL, /* line_width */ |
| 500 | }; |
| 501 | |
| 502 | static void destroy(GtkWidget *widget, gpointer data) |
| 503 | { |
| 504 | frontend *fe = (frontend *)data; |
| 505 | deactivate_timer(fe); |
| 506 | midend_free(fe->me); |
| 507 | gtk_main_quit(); |
| 508 | } |
| 509 | |
| 510 | static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 511 | { |
| 512 | frontend *fe = (frontend *)data; |
| 513 | int keyval; |
| 514 | int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0; |
| 515 | int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0; |
| 516 | |
| 517 | if (!fe->pixmap) |
| 518 | return TRUE; |
| 519 | |
| 520 | if (event->keyval == GDK_Up) |
| 521 | keyval = shift | ctrl | CURSOR_UP; |
| 522 | else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8) |
| 523 | keyval = MOD_NUM_KEYPAD | '8'; |
| 524 | else if (event->keyval == GDK_Down) |
| 525 | keyval = shift | ctrl | CURSOR_DOWN; |
| 526 | else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2) |
| 527 | keyval = MOD_NUM_KEYPAD | '2'; |
| 528 | else if (event->keyval == GDK_Left) |
| 529 | keyval = shift | ctrl | CURSOR_LEFT; |
| 530 | else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4) |
| 531 | keyval = MOD_NUM_KEYPAD | '4'; |
| 532 | else if (event->keyval == GDK_Right) |
| 533 | keyval = shift | ctrl | CURSOR_RIGHT; |
| 534 | else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6) |
| 535 | keyval = MOD_NUM_KEYPAD | '6'; |
| 536 | else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7) |
| 537 | keyval = MOD_NUM_KEYPAD | '7'; |
| 538 | else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1) |
| 539 | keyval = MOD_NUM_KEYPAD | '1'; |
| 540 | else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9) |
| 541 | keyval = MOD_NUM_KEYPAD | '9'; |
| 542 | else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3) |
| 543 | keyval = MOD_NUM_KEYPAD | '3'; |
| 544 | else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0) |
| 545 | keyval = MOD_NUM_KEYPAD | '0'; |
| 546 | else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5) |
| 547 | keyval = MOD_NUM_KEYPAD | '5'; |
| 548 | else if (event->keyval == GDK_BackSpace || |
| 549 | event->keyval == GDK_Delete || |
| 550 | event->keyval == GDK_KP_Delete) |
| 551 | keyval = '\177'; |
| 552 | else if (event->string[0] && !event->string[1]) |
| 553 | keyval = (unsigned char)event->string[0]; |
| 554 | else |
| 555 | keyval = -1; |
| 556 | |
| 557 | if (keyval >= 0 && |
| 558 | !midend_process_key(fe->me, 0, 0, keyval)) |
| 559 | gtk_widget_destroy(fe->window); |
| 560 | |
| 561 | return TRUE; |
| 562 | } |
| 563 | |
| 564 | static gint button_event(GtkWidget *widget, GdkEventButton *event, |
| 565 | gpointer data) |
| 566 | { |
| 567 | frontend *fe = (frontend *)data; |
| 568 | int button; |
| 569 | |
| 570 | if (!fe->pixmap) |
| 571 | return TRUE; |
| 572 | |
| 573 | if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE) |
| 574 | return TRUE; |
| 575 | |
| 576 | if (event->button == 2 || (event->state & GDK_SHIFT_MASK)) |
| 577 | button = MIDDLE_BUTTON; |
| 578 | else if (event->button == 3 || (event->state & GDK_MOD1_MASK)) |
| 579 | button = RIGHT_BUTTON; |
| 580 | else if (event->button == 1) |
| 581 | button = LEFT_BUTTON; |
| 582 | else |
| 583 | return FALSE; /* don't even know what button! */ |
| 584 | |
| 585 | if (event->type == GDK_BUTTON_RELEASE) |
| 586 | button += LEFT_RELEASE - LEFT_BUTTON; |
| 587 | |
| 588 | if (!midend_process_key(fe->me, event->x - fe->ox, |
| 589 | event->y - fe->oy, button)) |
| 590 | gtk_widget_destroy(fe->window); |
| 591 | |
| 592 | return TRUE; |
| 593 | } |
| 594 | |
| 595 | static gint motion_event(GtkWidget *widget, GdkEventMotion *event, |
| 596 | gpointer data) |
| 597 | { |
| 598 | frontend *fe = (frontend *)data; |
| 599 | int button; |
| 600 | |
| 601 | if (!fe->pixmap) |
| 602 | return TRUE; |
| 603 | |
| 604 | if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK)) |
| 605 | button = MIDDLE_DRAG; |
| 606 | else if (event->state & GDK_BUTTON1_MASK) |
| 607 | button = LEFT_DRAG; |
| 608 | else if (event->state & GDK_BUTTON3_MASK) |
| 609 | button = RIGHT_DRAG; |
| 610 | else |
| 611 | return FALSE; /* don't even know what button! */ |
| 612 | |
| 613 | if (!midend_process_key(fe->me, event->x - fe->ox, |
| 614 | event->y - fe->oy, button)) |
| 615 | gtk_widget_destroy(fe->window); |
| 616 | |
| 617 | return TRUE; |
| 618 | } |
| 619 | |
| 620 | static gint expose_area(GtkWidget *widget, GdkEventExpose *event, |
| 621 | gpointer data) |
| 622 | { |
| 623 | frontend *fe = (frontend *)data; |
| 624 | |
| 625 | if (fe->pixmap) { |
| 626 | gdk_draw_pixmap(widget->window, |
| 627 | widget->style->fg_gc[GTK_WIDGET_STATE(widget)], |
| 628 | fe->pixmap, |
| 629 | event->area.x - fe->ox, event->area.y - fe->oy, |
| 630 | event->area.x, event->area.y, |
| 631 | event->area.width, event->area.height); |
| 632 | } |
| 633 | return TRUE; |
| 634 | } |
| 635 | |
| 636 | static gint map_window(GtkWidget *widget, GdkEvent *event, |
| 637 | gpointer data) |
| 638 | { |
| 639 | frontend *fe = (frontend *)data; |
| 640 | |
| 641 | /* |
| 642 | * Apparently we need to do this because otherwise the status |
| 643 | * bar will fail to update immediately. Annoying, but there we |
| 644 | * go. |
| 645 | */ |
| 646 | gtk_widget_queue_draw(fe->window); |
| 647 | |
| 648 | return TRUE; |
| 649 | } |
| 650 | |
| 651 | static gint configure_area(GtkWidget *widget, |
| 652 | GdkEventConfigure *event, gpointer data) |
| 653 | { |
| 654 | frontend *fe = (frontend *)data; |
| 655 | GdkGC *gc; |
| 656 | int x, y; |
| 657 | |
| 658 | if (fe->pixmap) |
| 659 | gdk_pixmap_unref(fe->pixmap); |
| 660 | |
| 661 | x = fe->w = event->width; |
| 662 | y = fe->h = event->height; |
| 663 | midend_size(fe->me, &x, &y, TRUE); |
| 664 | fe->pw = x; |
| 665 | fe->ph = y; |
| 666 | fe->ox = (fe->w - fe->pw) / 2; |
| 667 | fe->oy = (fe->h - fe->ph) / 2; |
| 668 | |
| 669 | fe->pixmap = gdk_pixmap_new(widget->window, fe->pw, fe->ph, -1); |
| 670 | |
| 671 | gc = gdk_gc_new(fe->area->window); |
| 672 | gdk_gc_set_foreground(gc, &fe->colours[0]); |
| 673 | gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph); |
| 674 | gdk_gc_unref(gc); |
| 675 | |
| 676 | midend_force_redraw(fe->me); |
| 677 | |
| 678 | return TRUE; |
| 679 | } |
| 680 | |
| 681 | static gint timer_func(gpointer data) |
| 682 | { |
| 683 | frontend *fe = (frontend *)data; |
| 684 | |
| 685 | if (fe->timer_active) { |
| 686 | struct timeval now; |
| 687 | float elapsed; |
| 688 | gettimeofday(&now, NULL); |
| 689 | elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F + |
| 690 | (now.tv_sec - fe->last_time.tv_sec)); |
| 691 | midend_timer(fe->me, elapsed); /* may clear timer_active */ |
| 692 | fe->last_time = now; |
| 693 | } |
| 694 | |
| 695 | return fe->timer_active; |
| 696 | } |
| 697 | |
| 698 | void deactivate_timer(frontend *fe) |
| 699 | { |
| 700 | if (!fe) |
| 701 | return; /* can happen due to --generate */ |
| 702 | if (fe->timer_active) |
| 703 | gtk_timeout_remove(fe->timer_id); |
| 704 | fe->timer_active = FALSE; |
| 705 | } |
| 706 | |
| 707 | void activate_timer(frontend *fe) |
| 708 | { |
| 709 | if (!fe) |
| 710 | return; /* can happen due to --generate */ |
| 711 | if (!fe->timer_active) { |
| 712 | fe->timer_id = gtk_timeout_add(20, timer_func, fe); |
| 713 | gettimeofday(&fe->last_time, NULL); |
| 714 | } |
| 715 | fe->timer_active = TRUE; |
| 716 | } |
| 717 | |
| 718 | static void window_destroy(GtkWidget *widget, gpointer data) |
| 719 | { |
| 720 | gtk_main_quit(); |
| 721 | } |
| 722 | |
| 723 | static void msgbox_button_clicked(GtkButton *button, gpointer data) |
| 724 | { |
| 725 | GtkWidget *window = GTK_WIDGET(data); |
| 726 | int v, *ip; |
| 727 | |
| 728 | ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data"); |
| 729 | v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data")); |
| 730 | *ip = v; |
| 731 | |
| 732 | gtk_widget_destroy(GTK_WIDGET(data)); |
| 733 | } |
| 734 | |
| 735 | static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 736 | { |
| 737 | GtkObject *cancelbutton = GTK_OBJECT(data); |
| 738 | |
| 739 | /* |
| 740 | * `Escape' effectively clicks the cancel button |
| 741 | */ |
| 742 | if (event->keyval == GDK_Escape) { |
| 743 | gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked"); |
| 744 | return TRUE; |
| 745 | } |
| 746 | |
| 747 | return FALSE; |
| 748 | } |
| 749 | |
| 750 | enum { MB_OK, MB_YESNO }; |
| 751 | |
| 752 | int message_box(GtkWidget *parent, char *title, char *msg, int centre, |
| 753 | int type) |
| 754 | { |
| 755 | GtkWidget *window, *hbox, *text, *button; |
| 756 | char *titles; |
| 757 | int i, def, cancel; |
| 758 | |
| 759 | window = gtk_dialog_new(); |
| 760 | text = gtk_label_new(msg); |
| 761 | gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0); |
| 762 | hbox = gtk_hbox_new(FALSE, 0); |
| 763 | gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20); |
| 764 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox), |
| 765 | hbox, FALSE, FALSE, 20); |
| 766 | gtk_widget_show(text); |
| 767 | gtk_widget_show(hbox); |
| 768 | gtk_window_set_title(GTK_WINDOW(window), title); |
| 769 | gtk_label_set_line_wrap(GTK_LABEL(text), TRUE); |
| 770 | |
| 771 | if (type == MB_OK) { |
| 772 | titles = "OK\0"; |
| 773 | def = cancel = 0; |
| 774 | } else { |
| 775 | assert(type == MB_YESNO); |
| 776 | titles = "Yes\0No\0"; |
| 777 | def = 0; |
| 778 | cancel = 1; |
| 779 | } |
| 780 | i = 0; |
| 781 | |
| 782 | while (*titles) { |
| 783 | button = gtk_button_new_with_label(titles); |
| 784 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area), |
| 785 | button, FALSE, FALSE, 0); |
| 786 | gtk_widget_show(button); |
| 787 | if (i == def) { |
| 788 | GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT); |
| 789 | gtk_window_set_default(GTK_WINDOW(window), button); |
| 790 | } |
| 791 | if (i == cancel) { |
| 792 | gtk_signal_connect(GTK_OBJECT(window), "key_press_event", |
| 793 | GTK_SIGNAL_FUNC(win_key_press), button); |
| 794 | } |
| 795 | gtk_signal_connect(GTK_OBJECT(button), "clicked", |
| 796 | GTK_SIGNAL_FUNC(msgbox_button_clicked), window); |
| 797 | gtk_object_set_data(GTK_OBJECT(button), "user-data", |
| 798 | GINT_TO_POINTER(i)); |
| 799 | titles += strlen(titles)+1; |
| 800 | i++; |
| 801 | } |
| 802 | gtk_object_set_data(GTK_OBJECT(window), "user-data", |
| 803 | GINT_TO_POINTER(&i)); |
| 804 | gtk_signal_connect(GTK_OBJECT(window), "destroy", |
| 805 | GTK_SIGNAL_FUNC(window_destroy), NULL); |
| 806 | gtk_window_set_modal(GTK_WINDOW(window), TRUE); |
| 807 | gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent)); |
| 808 | /* set_transient_window_pos(parent, window); */ |
| 809 | gtk_widget_show(window); |
| 810 | i = -1; |
| 811 | gtk_main(); |
| 812 | return (type == MB_YESNO ? i == 0 : TRUE); |
| 813 | } |
| 814 | |
| 815 | void error_box(GtkWidget *parent, char *msg) |
| 816 | { |
| 817 | message_box(parent, "Error", msg, FALSE, MB_OK); |
| 818 | } |
| 819 | |
| 820 | static void config_ok_button_clicked(GtkButton *button, gpointer data) |
| 821 | { |
| 822 | frontend *fe = (frontend *)data; |
| 823 | char *err; |
| 824 | |
| 825 | err = midend_set_config(fe->me, fe->cfg_which, fe->cfg); |
| 826 | |
| 827 | if (err) |
| 828 | error_box(fe->cfgbox, err); |
| 829 | else { |
| 830 | fe->cfgret = TRUE; |
| 831 | gtk_widget_destroy(fe->cfgbox); |
| 832 | } |
| 833 | } |
| 834 | |
| 835 | static void config_cancel_button_clicked(GtkButton *button, gpointer data) |
| 836 | { |
| 837 | frontend *fe = (frontend *)data; |
| 838 | |
| 839 | gtk_widget_destroy(fe->cfgbox); |
| 840 | } |
| 841 | |
| 842 | static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 843 | { |
| 844 | /* |
| 845 | * GtkEntry has a nasty habit of eating the Return key, which |
| 846 | * is unhelpful since it doesn't actually _do_ anything with it |
| 847 | * (it calls gtk_widget_activate, but our edit boxes never need |
| 848 | * activating). So I catch Return before GtkEntry sees it, and |
| 849 | * pass it straight on to the parent widget. Effect: hitting |
| 850 | * Return in an edit box will now activate the default button |
| 851 | * in the dialog just like it will everywhere else. |
| 852 | */ |
| 853 | if (event->keyval == GDK_Return && widget->parent != NULL) { |
| 854 | gint return_val; |
| 855 | gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event"); |
| 856 | gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event", |
| 857 | event, &return_val); |
| 858 | return return_val; |
| 859 | } |
| 860 | return FALSE; |
| 861 | } |
| 862 | |
| 863 | static void editbox_changed(GtkEditable *ed, gpointer data) |
| 864 | { |
| 865 | config_item *i = (config_item *)data; |
| 866 | |
| 867 | sfree(i->sval); |
| 868 | i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed))); |
| 869 | } |
| 870 | |
| 871 | static void button_toggled(GtkToggleButton *tb, gpointer data) |
| 872 | { |
| 873 | config_item *i = (config_item *)data; |
| 874 | |
| 875 | i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb)); |
| 876 | } |
| 877 | |
| 878 | static void droplist_sel(GtkMenuItem *item, gpointer data) |
| 879 | { |
| 880 | config_item *i = (config_item *)data; |
| 881 | |
| 882 | i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item), |
| 883 | "user-data")); |
| 884 | } |
| 885 | |
| 886 | static int get_config(frontend *fe, int which) |
| 887 | { |
| 888 | GtkWidget *w, *table, *cancel; |
| 889 | char *title; |
| 890 | config_item *i; |
| 891 | int y; |
| 892 | |
| 893 | fe->cfg = midend_get_config(fe->me, which, &title); |
| 894 | fe->cfg_which = which; |
| 895 | fe->cfgret = FALSE; |
| 896 | |
| 897 | fe->cfgbox = gtk_dialog_new(); |
| 898 | gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title); |
| 899 | sfree(title); |
| 900 | |
| 901 | w = gtk_button_new_with_label("OK"); |
| 902 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area), |
| 903 | w, FALSE, FALSE, 0); |
| 904 | gtk_widget_show(w); |
| 905 | GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT); |
| 906 | gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w); |
| 907 | gtk_signal_connect(GTK_OBJECT(w), "clicked", |
| 908 | GTK_SIGNAL_FUNC(config_ok_button_clicked), fe); |
| 909 | |
| 910 | w = gtk_button_new_with_label("Cancel"); |
| 911 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area), |
| 912 | w, FALSE, FALSE, 0); |
| 913 | gtk_widget_show(w); |
| 914 | gtk_signal_connect(GTK_OBJECT(w), "clicked", |
| 915 | GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe); |
| 916 | cancel = w; |
| 917 | |
| 918 | table = gtk_table_new(1, 2, FALSE); |
| 919 | y = 0; |
| 920 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox), |
| 921 | table, FALSE, FALSE, 0); |
| 922 | gtk_widget_show(table); |
| 923 | |
| 924 | for (i = fe->cfg; i->type != C_END; i++) { |
| 925 | gtk_table_resize(GTK_TABLE(table), y+1, 2); |
| 926 | |
| 927 | switch (i->type) { |
| 928 | case C_STRING: |
| 929 | /* |
| 930 | * Edit box with a label beside it. |
| 931 | */ |
| 932 | |
| 933 | w = gtk_label_new(i->name); |
| 934 | gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5); |
| 935 | gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1, |
| 936 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 937 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 938 | 3, 3); |
| 939 | gtk_widget_show(w); |
| 940 | |
| 941 | w = gtk_entry_new(); |
| 942 | gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1, |
| 943 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 944 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 945 | 3, 3); |
| 946 | gtk_entry_set_text(GTK_ENTRY(w), i->sval); |
| 947 | gtk_signal_connect(GTK_OBJECT(w), "changed", |
| 948 | GTK_SIGNAL_FUNC(editbox_changed), i); |
| 949 | gtk_signal_connect(GTK_OBJECT(w), "key_press_event", |
| 950 | GTK_SIGNAL_FUNC(editbox_key), NULL); |
| 951 | gtk_widget_show(w); |
| 952 | |
| 953 | break; |
| 954 | |
| 955 | case C_BOOLEAN: |
| 956 | /* |
| 957 | * Simple checkbox. |
| 958 | */ |
| 959 | w = gtk_check_button_new_with_label(i->name); |
| 960 | gtk_signal_connect(GTK_OBJECT(w), "toggled", |
| 961 | GTK_SIGNAL_FUNC(button_toggled), i); |
| 962 | gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1, |
| 963 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 964 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 965 | 3, 3); |
| 966 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival); |
| 967 | gtk_widget_show(w); |
| 968 | break; |
| 969 | |
| 970 | case C_CHOICES: |
| 971 | /* |
| 972 | * Drop-down list (GtkOptionMenu). |
| 973 | */ |
| 974 | |
| 975 | w = gtk_label_new(i->name); |
| 976 | gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5); |
| 977 | gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1, |
| 978 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 979 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 980 | 3, 3); |
| 981 | gtk_widget_show(w); |
| 982 | |
| 983 | w = gtk_option_menu_new(); |
| 984 | gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1, |
| 985 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 986 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 987 | 3, 3); |
| 988 | gtk_widget_show(w); |
| 989 | |
| 990 | { |
| 991 | int c, val; |
| 992 | char *p, *q, *name; |
| 993 | GtkWidget *menuitem; |
| 994 | GtkWidget *menu = gtk_menu_new(); |
| 995 | |
| 996 | gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu); |
| 997 | |
| 998 | c = *i->sval; |
| 999 | p = i->sval+1; |
| 1000 | val = 0; |
| 1001 | |
| 1002 | while (*p) { |
| 1003 | q = p; |
| 1004 | while (*q && *q != c) |
| 1005 | q++; |
| 1006 | |
| 1007 | name = snewn(q-p+1, char); |
| 1008 | strncpy(name, p, q-p); |
| 1009 | name[q-p] = '\0'; |
| 1010 | |
| 1011 | if (*q) q++; /* eat delimiter */ |
| 1012 | |
| 1013 | menuitem = gtk_menu_item_new_with_label(name); |
| 1014 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1015 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 1016 | GINT_TO_POINTER(val)); |
| 1017 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1018 | GTK_SIGNAL_FUNC(droplist_sel), i); |
| 1019 | gtk_widget_show(menuitem); |
| 1020 | |
| 1021 | val++; |
| 1022 | |
| 1023 | p = q; |
| 1024 | } |
| 1025 | |
| 1026 | gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival); |
| 1027 | } |
| 1028 | |
| 1029 | break; |
| 1030 | } |
| 1031 | |
| 1032 | y++; |
| 1033 | } |
| 1034 | |
| 1035 | gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy", |
| 1036 | GTK_SIGNAL_FUNC(window_destroy), NULL); |
| 1037 | gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event", |
| 1038 | GTK_SIGNAL_FUNC(win_key_press), cancel); |
| 1039 | gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE); |
| 1040 | gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox), |
| 1041 | GTK_WINDOW(fe->window)); |
| 1042 | /* set_transient_window_pos(fe->window, fe->cfgbox); */ |
| 1043 | gtk_widget_show(fe->cfgbox); |
| 1044 | gtk_main(); |
| 1045 | |
| 1046 | free_cfg(fe->cfg); |
| 1047 | |
| 1048 | return fe->cfgret; |
| 1049 | } |
| 1050 | |
| 1051 | static void menu_key_event(GtkMenuItem *menuitem, gpointer data) |
| 1052 | { |
| 1053 | frontend *fe = (frontend *)data; |
| 1054 | int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem), |
| 1055 | "user-data")); |
| 1056 | if (!midend_process_key(fe->me, 0, 0, key)) |
| 1057 | gtk_widget_destroy(fe->window); |
| 1058 | } |
| 1059 | |
| 1060 | static void get_size(frontend *fe, int *px, int *py) |
| 1061 | { |
| 1062 | int x, y; |
| 1063 | |
| 1064 | /* |
| 1065 | * Currently I don't want to make the GTK port scale large |
| 1066 | * puzzles to fit on the screen. This is because X does permit |
| 1067 | * extremely large windows and many window managers provide a |
| 1068 | * means of navigating round them, and the users I consulted |
| 1069 | * before deciding said that they'd rather have enormous puzzle |
| 1070 | * windows spanning multiple screen pages than have them |
| 1071 | * shrunk. I could change my mind later or introduce |
| 1072 | * configurability; this would be the place to do so, by |
| 1073 | * replacing the initial values of x and y with the screen |
| 1074 | * dimensions. |
| 1075 | */ |
| 1076 | x = INT_MAX; |
| 1077 | y = INT_MAX; |
| 1078 | midend_size(fe->me, &x, &y, FALSE); |
| 1079 | *px = x; |
| 1080 | *py = y; |
| 1081 | } |
| 1082 | |
| 1083 | #if !GTK_CHECK_VERSION(2,0,0) |
| 1084 | #define gtk_window_resize(win, x, y) \ |
| 1085 | gdk_window_resize(GTK_WIDGET(win)->window, x, y) |
| 1086 | #endif |
| 1087 | |
| 1088 | static void menu_preset_event(GtkMenuItem *menuitem, gpointer data) |
| 1089 | { |
| 1090 | frontend *fe = (frontend *)data; |
| 1091 | game_params *params = |
| 1092 | (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data"); |
| 1093 | int x, y; |
| 1094 | |
| 1095 | midend_set_params(fe->me, params); |
| 1096 | midend_new_game(fe->me); |
| 1097 | get_size(fe, &x, &y); |
| 1098 | fe->w = x; |
| 1099 | fe->h = y; |
| 1100 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); |
| 1101 | { |
| 1102 | GtkRequisition req; |
| 1103 | gtk_widget_size_request(GTK_WIDGET(fe->window), &req); |
| 1104 | gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height); |
| 1105 | } |
| 1106 | } |
| 1107 | |
| 1108 | GdkAtom compound_text_atom, utf8_string_atom; |
| 1109 | int paste_initialised = FALSE; |
| 1110 | |
| 1111 | void init_paste() |
| 1112 | { |
| 1113 | unsigned char empty[] = { 0 }; |
| 1114 | |
| 1115 | if (paste_initialised) |
| 1116 | return; |
| 1117 | |
| 1118 | if (!compound_text_atom) |
| 1119 | compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE); |
| 1120 | if (!utf8_string_atom) |
| 1121 | utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE); |
| 1122 | |
| 1123 | /* |
| 1124 | * Ensure that all the cut buffers exist - according to the |
| 1125 | * ICCCM, we must do this before we start using cut buffers. |
| 1126 | */ |
| 1127 | XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), |
| 1128 | XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, empty, 0); |
| 1129 | XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), |
| 1130 | XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, empty, 0); |
| 1131 | XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), |
| 1132 | XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, empty, 0); |
| 1133 | XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), |
| 1134 | XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, empty, 0); |
| 1135 | XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), |
| 1136 | XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, empty, 0); |
| 1137 | XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), |
| 1138 | XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, empty, 0); |
| 1139 | XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), |
| 1140 | XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, empty, 0); |
| 1141 | XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(), |
| 1142 | XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, empty, 0); |
| 1143 | } |
| 1144 | |
| 1145 | /* Store data in a cut-buffer. */ |
| 1146 | void store_cutbuffer(char *ptr, int len) |
| 1147 | { |
| 1148 | /* ICCCM says we must rotate the buffers before storing to buffer 0. */ |
| 1149 | XRotateBuffers(GDK_DISPLAY(), 1); |
| 1150 | XStoreBytes(GDK_DISPLAY(), ptr, len); |
| 1151 | } |
| 1152 | |
| 1153 | void write_clip(frontend *fe, char *data) |
| 1154 | { |
| 1155 | init_paste(); |
| 1156 | |
| 1157 | if (fe->paste_data) |
| 1158 | sfree(fe->paste_data); |
| 1159 | |
| 1160 | /* |
| 1161 | * For this simple application we can safely assume that the |
| 1162 | * data passed to this function is pure ASCII, which means we |
| 1163 | * can return precisely the same stuff for types STRING, |
| 1164 | * COMPOUND_TEXT or UTF8_STRING. |
| 1165 | */ |
| 1166 | |
| 1167 | fe->paste_data = data; |
| 1168 | fe->paste_data_len = strlen(data); |
| 1169 | |
| 1170 | store_cutbuffer(fe->paste_data, fe->paste_data_len); |
| 1171 | |
| 1172 | if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY, |
| 1173 | CurrentTime)) { |
| 1174 | gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY, |
| 1175 | GDK_SELECTION_TYPE_STRING, 1); |
| 1176 | gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY, |
| 1177 | compound_text_atom, 1); |
| 1178 | gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY, |
| 1179 | utf8_string_atom, 1); |
| 1180 | } |
| 1181 | } |
| 1182 | |
| 1183 | void selection_get(GtkWidget *widget, GtkSelectionData *seldata, |
| 1184 | guint info, guint time_stamp, gpointer data) |
| 1185 | { |
| 1186 | frontend *fe = (frontend *)data; |
| 1187 | gtk_selection_data_set(seldata, seldata->target, 8, |
| 1188 | fe->paste_data, fe->paste_data_len); |
| 1189 | } |
| 1190 | |
| 1191 | gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata, |
| 1192 | gpointer data) |
| 1193 | { |
| 1194 | frontend *fe = (frontend *)data; |
| 1195 | |
| 1196 | if (fe->paste_data) |
| 1197 | sfree(fe->paste_data); |
| 1198 | fe->paste_data = NULL; |
| 1199 | fe->paste_data_len = 0; |
| 1200 | return TRUE; |
| 1201 | } |
| 1202 | |
| 1203 | static void menu_copy_event(GtkMenuItem *menuitem, gpointer data) |
| 1204 | { |
| 1205 | frontend *fe = (frontend *)data; |
| 1206 | char *text; |
| 1207 | |
| 1208 | text = midend_text_format(fe->me); |
| 1209 | |
| 1210 | if (text) { |
| 1211 | write_clip(fe, text); |
| 1212 | } else { |
| 1213 | gdk_beep(); |
| 1214 | } |
| 1215 | } |
| 1216 | |
| 1217 | static void filesel_ok(GtkButton *button, gpointer data) |
| 1218 | { |
| 1219 | frontend *fe = (frontend *)data; |
| 1220 | |
| 1221 | gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data"); |
| 1222 | |
| 1223 | const char *name = |
| 1224 | gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel)); |
| 1225 | |
| 1226 | fe->filesel_name = dupstr(name); |
| 1227 | } |
| 1228 | |
| 1229 | static char *file_selector(frontend *fe, char *title, int save) |
| 1230 | { |
| 1231 | GtkWidget *filesel = |
| 1232 | gtk_file_selection_new(title); |
| 1233 | |
| 1234 | fe->filesel_name = NULL; |
| 1235 | |
| 1236 | gtk_window_set_modal(GTK_WINDOW(filesel), TRUE); |
| 1237 | gtk_object_set_data |
| 1238 | (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data", |
| 1239 | (gpointer)filesel); |
| 1240 | gtk_signal_connect |
| 1241 | (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked", |
| 1242 | GTK_SIGNAL_FUNC(filesel_ok), fe); |
| 1243 | gtk_signal_connect_object |
| 1244 | (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked", |
| 1245 | GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel); |
| 1246 | gtk_signal_connect_object |
| 1247 | (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked", |
| 1248 | GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel); |
| 1249 | gtk_signal_connect(GTK_OBJECT(filesel), "destroy", |
| 1250 | GTK_SIGNAL_FUNC(window_destroy), NULL); |
| 1251 | gtk_widget_show(filesel); |
| 1252 | gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window)); |
| 1253 | gtk_main(); |
| 1254 | |
| 1255 | return fe->filesel_name; |
| 1256 | } |
| 1257 | |
| 1258 | static void savefile_write(void *wctx, void *buf, int len) |
| 1259 | { |
| 1260 | FILE *fp = (FILE *)wctx; |
| 1261 | fwrite(buf, 1, len, fp); |
| 1262 | } |
| 1263 | |
| 1264 | static int savefile_read(void *wctx, void *buf, int len) |
| 1265 | { |
| 1266 | FILE *fp = (FILE *)wctx; |
| 1267 | int ret; |
| 1268 | |
| 1269 | ret = fread(buf, 1, len, fp); |
| 1270 | return (ret == len); |
| 1271 | } |
| 1272 | |
| 1273 | static void menu_save_event(GtkMenuItem *menuitem, gpointer data) |
| 1274 | { |
| 1275 | frontend *fe = (frontend *)data; |
| 1276 | char *name; |
| 1277 | |
| 1278 | name = file_selector(fe, "Enter name of game file to save", TRUE); |
| 1279 | |
| 1280 | if (name) { |
| 1281 | FILE *fp; |
| 1282 | |
| 1283 | if ((fp = fopen(name, "r")) != NULL) { |
| 1284 | char buf[256 + FILENAME_MAX]; |
| 1285 | fclose(fp); |
| 1286 | /* file exists */ |
| 1287 | |
| 1288 | sprintf(buf, "Are you sure you want to overwrite the" |
| 1289 | " file \"%.*s\"?", |
| 1290 | FILENAME_MAX, name); |
| 1291 | if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO)) |
| 1292 | return; |
| 1293 | } |
| 1294 | |
| 1295 | fp = fopen(name, "w"); |
| 1296 | sfree(name); |
| 1297 | |
| 1298 | if (!fp) { |
| 1299 | error_box(fe->window, "Unable to open save file"); |
| 1300 | return; |
| 1301 | } |
| 1302 | |
| 1303 | midend_serialise(fe->me, savefile_write, fp); |
| 1304 | |
| 1305 | fclose(fp); |
| 1306 | } |
| 1307 | } |
| 1308 | |
| 1309 | static void menu_load_event(GtkMenuItem *menuitem, gpointer data) |
| 1310 | { |
| 1311 | frontend *fe = (frontend *)data; |
| 1312 | char *name, *err; |
| 1313 | int x, y; |
| 1314 | |
| 1315 | name = file_selector(fe, "Enter name of saved game file to load", FALSE); |
| 1316 | |
| 1317 | if (name) { |
| 1318 | FILE *fp = fopen(name, "r"); |
| 1319 | sfree(name); |
| 1320 | |
| 1321 | if (!fp) { |
| 1322 | error_box(fe->window, "Unable to open saved game file"); |
| 1323 | return; |
| 1324 | } |
| 1325 | |
| 1326 | err = midend_deserialise(fe->me, savefile_read, fp); |
| 1327 | |
| 1328 | fclose(fp); |
| 1329 | |
| 1330 | if (err) { |
| 1331 | error_box(fe->window, err); |
| 1332 | return; |
| 1333 | } |
| 1334 | |
| 1335 | get_size(fe, &x, &y); |
| 1336 | fe->w = x; |
| 1337 | fe->h = y; |
| 1338 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); |
| 1339 | { |
| 1340 | GtkRequisition req; |
| 1341 | gtk_widget_size_request(GTK_WIDGET(fe->window), &req); |
| 1342 | gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height); |
| 1343 | } |
| 1344 | |
| 1345 | } |
| 1346 | } |
| 1347 | |
| 1348 | static void menu_solve_event(GtkMenuItem *menuitem, gpointer data) |
| 1349 | { |
| 1350 | frontend *fe = (frontend *)data; |
| 1351 | char *msg; |
| 1352 | |
| 1353 | msg = midend_solve(fe->me); |
| 1354 | |
| 1355 | if (msg) |
| 1356 | error_box(fe->window, msg); |
| 1357 | } |
| 1358 | |
| 1359 | static void menu_restart_event(GtkMenuItem *menuitem, gpointer data) |
| 1360 | { |
| 1361 | frontend *fe = (frontend *)data; |
| 1362 | |
| 1363 | midend_restart_game(fe->me); |
| 1364 | } |
| 1365 | |
| 1366 | static void menu_config_event(GtkMenuItem *menuitem, gpointer data) |
| 1367 | { |
| 1368 | frontend *fe = (frontend *)data; |
| 1369 | int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem), |
| 1370 | "user-data")); |
| 1371 | int x, y; |
| 1372 | |
| 1373 | if (!get_config(fe, which)) |
| 1374 | return; |
| 1375 | |
| 1376 | midend_new_game(fe->me); |
| 1377 | get_size(fe, &x, &y); |
| 1378 | fe->w = x; |
| 1379 | fe->h = y; |
| 1380 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); |
| 1381 | { |
| 1382 | GtkRequisition req; |
| 1383 | gtk_widget_size_request(GTK_WIDGET(fe->window), &req); |
| 1384 | gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height); |
| 1385 | } |
| 1386 | } |
| 1387 | |
| 1388 | static void menu_about_event(GtkMenuItem *menuitem, gpointer data) |
| 1389 | { |
| 1390 | frontend *fe = (frontend *)data; |
| 1391 | char titlebuf[256]; |
| 1392 | char textbuf[1024]; |
| 1393 | |
| 1394 | sprintf(titlebuf, "About %.200s", thegame.name); |
| 1395 | sprintf(textbuf, |
| 1396 | "%.200s\n\n" |
| 1397 | "from Simon Tatham's Portable Puzzle Collection\n\n" |
| 1398 | "%.500s", thegame.name, ver); |
| 1399 | |
| 1400 | message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK); |
| 1401 | } |
| 1402 | |
| 1403 | static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont, |
| 1404 | char *text, int key) |
| 1405 | { |
| 1406 | GtkWidget *menuitem = gtk_menu_item_new_with_label(text); |
| 1407 | gtk_container_add(cont, menuitem); |
| 1408 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 1409 | GINT_TO_POINTER(key)); |
| 1410 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1411 | GTK_SIGNAL_FUNC(menu_key_event), fe); |
| 1412 | gtk_widget_show(menuitem); |
| 1413 | return menuitem; |
| 1414 | } |
| 1415 | |
| 1416 | static void add_menu_separator(GtkContainer *cont) |
| 1417 | { |
| 1418 | GtkWidget *menuitem = gtk_menu_item_new(); |
| 1419 | gtk_container_add(cont, menuitem); |
| 1420 | gtk_widget_show(menuitem); |
| 1421 | } |
| 1422 | |
| 1423 | static frontend *new_window(char *arg, char **error) |
| 1424 | { |
| 1425 | frontend *fe; |
| 1426 | GtkBox *vbox; |
| 1427 | GtkWidget *menubar, *menu, *menuitem; |
| 1428 | int x, y, n; |
| 1429 | char errbuf[1024]; |
| 1430 | |
| 1431 | fe = snew(frontend); |
| 1432 | |
| 1433 | fe->timer_active = FALSE; |
| 1434 | fe->timer_id = -1; |
| 1435 | |
| 1436 | fe->me = midend_new(fe, &thegame, >k_drawing, fe); |
| 1437 | |
| 1438 | if (arg) { |
| 1439 | char *err; |
| 1440 | |
| 1441 | errbuf[0] = '\0'; |
| 1442 | |
| 1443 | /* |
| 1444 | * Try treating the argument as a game ID. |
| 1445 | */ |
| 1446 | err = midend_game_id(fe->me, arg); |
| 1447 | if (!err) { |
| 1448 | /* |
| 1449 | * It's a valid game ID. |
| 1450 | */ |
| 1451 | midend_new_game(fe->me); |
| 1452 | } else { |
| 1453 | FILE *fp = fopen(arg, "r"); |
| 1454 | if (!fp) { |
| 1455 | sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)" |
| 1456 | " nor a save file (%.400s)", err, strerror(errno)); |
| 1457 | } else { |
| 1458 | err = midend_deserialise(fe->me, savefile_read, fp); |
| 1459 | if (err) |
| 1460 | sprintf(errbuf, "%.800s", err); |
| 1461 | fclose(fp); |
| 1462 | } |
| 1463 | } |
| 1464 | if (*errbuf) { |
| 1465 | *error = dupstr(errbuf); |
| 1466 | midend_free(fe->me); |
| 1467 | sfree(fe); |
| 1468 | return NULL; |
| 1469 | } |
| 1470 | |
| 1471 | } else { |
| 1472 | midend_new_game(fe->me); |
| 1473 | } |
| 1474 | |
| 1475 | fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 1476 | gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name); |
| 1477 | #if 0 |
| 1478 | gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE); |
| 1479 | #else |
| 1480 | gtk_window_set_policy(GTK_WINDOW(fe->window), FALSE, FALSE, TRUE); |
| 1481 | #endif |
| 1482 | vbox = GTK_BOX(gtk_vbox_new(FALSE, 0)); |
| 1483 | gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox)); |
| 1484 | gtk_widget_show(GTK_WIDGET(vbox)); |
| 1485 | |
| 1486 | menubar = gtk_menu_bar_new(); |
| 1487 | gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0); |
| 1488 | gtk_widget_show(menubar); |
| 1489 | |
| 1490 | menuitem = gtk_menu_item_new_with_label("Game"); |
| 1491 | gtk_container_add(GTK_CONTAINER(menubar), menuitem); |
| 1492 | gtk_widget_show(menuitem); |
| 1493 | |
| 1494 | menu = gtk_menu_new(); |
| 1495 | gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu); |
| 1496 | |
| 1497 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n'); |
| 1498 | |
| 1499 | menuitem = gtk_menu_item_new_with_label("Restart"); |
| 1500 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1501 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1502 | GTK_SIGNAL_FUNC(menu_restart_event), fe); |
| 1503 | gtk_widget_show(menuitem); |
| 1504 | |
| 1505 | menuitem = gtk_menu_item_new_with_label("Specific..."); |
| 1506 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 1507 | GINT_TO_POINTER(CFG_DESC)); |
| 1508 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1509 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1510 | GTK_SIGNAL_FUNC(menu_config_event), fe); |
| 1511 | gtk_widget_show(menuitem); |
| 1512 | |
| 1513 | menuitem = gtk_menu_item_new_with_label("Random Seed..."); |
| 1514 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 1515 | GINT_TO_POINTER(CFG_SEED)); |
| 1516 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1517 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1518 | GTK_SIGNAL_FUNC(menu_config_event), fe); |
| 1519 | gtk_widget_show(menuitem); |
| 1520 | |
| 1521 | if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) { |
| 1522 | GtkWidget *submenu; |
| 1523 | int i; |
| 1524 | |
| 1525 | menuitem = gtk_menu_item_new_with_label("Type"); |
| 1526 | gtk_container_add(GTK_CONTAINER(menubar), menuitem); |
| 1527 | gtk_widget_show(menuitem); |
| 1528 | |
| 1529 | submenu = gtk_menu_new(); |
| 1530 | gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu); |
| 1531 | |
| 1532 | for (i = 0; i < n; i++) { |
| 1533 | char *name; |
| 1534 | game_params *params; |
| 1535 | |
| 1536 | midend_fetch_preset(fe->me, i, &name, ¶ms); |
| 1537 | |
| 1538 | menuitem = gtk_menu_item_new_with_label(name); |
| 1539 | gtk_container_add(GTK_CONTAINER(submenu), menuitem); |
| 1540 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params); |
| 1541 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1542 | GTK_SIGNAL_FUNC(menu_preset_event), fe); |
| 1543 | gtk_widget_show(menuitem); |
| 1544 | } |
| 1545 | |
| 1546 | if (thegame.can_configure) { |
| 1547 | menuitem = gtk_menu_item_new_with_label("Custom..."); |
| 1548 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 1549 | GPOINTER_TO_INT(CFG_SETTINGS)); |
| 1550 | gtk_container_add(GTK_CONTAINER(submenu), menuitem); |
| 1551 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1552 | GTK_SIGNAL_FUNC(menu_config_event), fe); |
| 1553 | gtk_widget_show(menuitem); |
| 1554 | } |
| 1555 | } |
| 1556 | |
| 1557 | add_menu_separator(GTK_CONTAINER(menu)); |
| 1558 | menuitem = gtk_menu_item_new_with_label("Load"); |
| 1559 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1560 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1561 | GTK_SIGNAL_FUNC(menu_load_event), fe); |
| 1562 | gtk_widget_show(menuitem); |
| 1563 | menuitem = gtk_menu_item_new_with_label("Save"); |
| 1564 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1565 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1566 | GTK_SIGNAL_FUNC(menu_save_event), fe); |
| 1567 | gtk_widget_show(menuitem); |
| 1568 | add_menu_separator(GTK_CONTAINER(menu)); |
| 1569 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u'); |
| 1570 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12'); |
| 1571 | if (thegame.can_format_as_text) { |
| 1572 | add_menu_separator(GTK_CONTAINER(menu)); |
| 1573 | menuitem = gtk_menu_item_new_with_label("Copy"); |
| 1574 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1575 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1576 | GTK_SIGNAL_FUNC(menu_copy_event), fe); |
| 1577 | gtk_widget_show(menuitem); |
| 1578 | } |
| 1579 | if (thegame.can_solve) { |
| 1580 | add_menu_separator(GTK_CONTAINER(menu)); |
| 1581 | menuitem = gtk_menu_item_new_with_label("Solve"); |
| 1582 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1583 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1584 | GTK_SIGNAL_FUNC(menu_solve_event), fe); |
| 1585 | gtk_widget_show(menuitem); |
| 1586 | } |
| 1587 | add_menu_separator(GTK_CONTAINER(menu)); |
| 1588 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q'); |
| 1589 | |
| 1590 | menuitem = gtk_menu_item_new_with_label("Help"); |
| 1591 | gtk_container_add(GTK_CONTAINER(menubar), menuitem); |
| 1592 | gtk_widget_show(menuitem); |
| 1593 | |
| 1594 | menu = gtk_menu_new(); |
| 1595 | gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu); |
| 1596 | |
| 1597 | menuitem = gtk_menu_item_new_with_label("About"); |
| 1598 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1599 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1600 | GTK_SIGNAL_FUNC(menu_about_event), fe); |
| 1601 | gtk_widget_show(menuitem); |
| 1602 | |
| 1603 | { |
| 1604 | int i, ncolours; |
| 1605 | float *colours; |
| 1606 | gboolean *success; |
| 1607 | |
| 1608 | fe->colmap = gdk_colormap_get_system(); |
| 1609 | colours = midend_colours(fe->me, &ncolours); |
| 1610 | fe->ncolours = ncolours; |
| 1611 | fe->colours = snewn(ncolours, GdkColor); |
| 1612 | for (i = 0; i < ncolours; i++) { |
| 1613 | fe->colours[i].red = colours[i*3] * 0xFFFF; |
| 1614 | fe->colours[i].green = colours[i*3+1] * 0xFFFF; |
| 1615 | fe->colours[i].blue = colours[i*3+2] * 0xFFFF; |
| 1616 | } |
| 1617 | success = snewn(ncolours, gboolean); |
| 1618 | gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours, |
| 1619 | FALSE, FALSE, success); |
| 1620 | for (i = 0; i < ncolours; i++) { |
| 1621 | if (!success[i]) |
| 1622 | g_error("couldn't allocate colour %d (#%02x%02x%02x)\n", |
| 1623 | i, fe->colours[i].red >> 8, |
| 1624 | fe->colours[i].green >> 8, |
| 1625 | fe->colours[i].blue >> 8); |
| 1626 | } |
| 1627 | } |
| 1628 | |
| 1629 | if (midend_wants_statusbar(fe->me)) { |
| 1630 | GtkWidget *viewport; |
| 1631 | GtkRequisition req; |
| 1632 | |
| 1633 | viewport = gtk_viewport_new(NULL, NULL); |
| 1634 | gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE); |
| 1635 | fe->statusbar = gtk_statusbar_new(); |
| 1636 | gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar); |
| 1637 | gtk_widget_show(viewport); |
| 1638 | gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0); |
| 1639 | gtk_widget_show(fe->statusbar); |
| 1640 | fe->statusctx = gtk_statusbar_get_context_id |
| 1641 | (GTK_STATUSBAR(fe->statusbar), "game"); |
| 1642 | gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, |
| 1643 | "test"); |
| 1644 | gtk_widget_size_request(fe->statusbar, &req); |
| 1645 | #if 0 |
| 1646 | /* For GTK 2.0, should we be using gtk_widget_set_size_request? */ |
| 1647 | #endif |
| 1648 | gtk_widget_set_usize(viewport, -1, req.height); |
| 1649 | } else |
| 1650 | fe->statusbar = NULL; |
| 1651 | |
| 1652 | fe->area = gtk_drawing_area_new(); |
| 1653 | get_size(fe, &x, &y); |
| 1654 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); |
| 1655 | fe->w = x; |
| 1656 | fe->h = y; |
| 1657 | |
| 1658 | gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0); |
| 1659 | |
| 1660 | fe->pixmap = NULL; |
| 1661 | fe->fonts = NULL; |
| 1662 | fe->nfonts = fe->fontsize = 0; |
| 1663 | |
| 1664 | fe->paste_data = NULL; |
| 1665 | fe->paste_data_len = 0; |
| 1666 | |
| 1667 | gtk_signal_connect(GTK_OBJECT(fe->window), "destroy", |
| 1668 | GTK_SIGNAL_FUNC(destroy), fe); |
| 1669 | gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event", |
| 1670 | GTK_SIGNAL_FUNC(key_event), fe); |
| 1671 | gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event", |
| 1672 | GTK_SIGNAL_FUNC(button_event), fe); |
| 1673 | gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event", |
| 1674 | GTK_SIGNAL_FUNC(button_event), fe); |
| 1675 | gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event", |
| 1676 | GTK_SIGNAL_FUNC(motion_event), fe); |
| 1677 | gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get", |
| 1678 | GTK_SIGNAL_FUNC(selection_get), fe); |
| 1679 | gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event", |
| 1680 | GTK_SIGNAL_FUNC(selection_clear), fe); |
| 1681 | gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event", |
| 1682 | GTK_SIGNAL_FUNC(expose_area), fe); |
| 1683 | gtk_signal_connect(GTK_OBJECT(fe->window), "map_event", |
| 1684 | GTK_SIGNAL_FUNC(map_window), fe); |
| 1685 | gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event", |
| 1686 | GTK_SIGNAL_FUNC(configure_area), fe); |
| 1687 | |
| 1688 | gtk_widget_add_events(GTK_WIDGET(fe->area), |
| 1689 | GDK_BUTTON_PRESS_MASK | |
| 1690 | GDK_BUTTON_RELEASE_MASK | |
| 1691 | GDK_BUTTON_MOTION_MASK); |
| 1692 | |
| 1693 | gtk_widget_show(fe->area); |
| 1694 | gtk_widget_show(fe->window); |
| 1695 | |
| 1696 | gdk_window_set_background(fe->area->window, &fe->colours[0]); |
| 1697 | gdk_window_set_background(fe->window->window, &fe->colours[0]); |
| 1698 | |
| 1699 | return fe; |
| 1700 | } |
| 1701 | |
| 1702 | char *fgetline(FILE *fp) |
| 1703 | { |
| 1704 | char *ret = snewn(512, char); |
| 1705 | int size = 512, len = 0; |
| 1706 | while (fgets(ret + len, size - len, fp)) { |
| 1707 | len += strlen(ret + len); |
| 1708 | if (ret[len-1] == '\n') |
| 1709 | break; /* got a newline, we're done */ |
| 1710 | size = len + 512; |
| 1711 | ret = sresize(ret, size, char); |
| 1712 | } |
| 1713 | if (len == 0) { /* first fgets returned NULL */ |
| 1714 | sfree(ret); |
| 1715 | return NULL; |
| 1716 | } |
| 1717 | ret[len] = '\0'; |
| 1718 | return ret; |
| 1719 | } |
| 1720 | |
| 1721 | int main(int argc, char **argv) |
| 1722 | { |
| 1723 | char *pname = argv[0]; |
| 1724 | char *error; |
| 1725 | int ngenerate = 0, print = FALSE, px = 1, py = 1; |
| 1726 | int soln = FALSE, colour = FALSE; |
| 1727 | float scale = 1.0F; |
| 1728 | char *arg = NULL; |
| 1729 | int doing_opts = TRUE; |
| 1730 | int ac = argc; |
| 1731 | char **av = argv; |
| 1732 | char errbuf[500]; |
| 1733 | |
| 1734 | /* |
| 1735 | * Command line parsing in this function is rather fiddly, |
| 1736 | * because GTK wants to have a go at argc/argv _first_ - and |
| 1737 | * yet we can't let it, because gtk_init() will bomb out if it |
| 1738 | * can't open an X display, whereas in fact we want to permit |
| 1739 | * our --generate and --print modes to run without an X |
| 1740 | * display. |
| 1741 | * |
| 1742 | * So what we do is: |
| 1743 | * - we parse the command line ourselves, without modifying |
| 1744 | * argc/argv |
| 1745 | * - if we encounter an error which might plausibly be the |
| 1746 | * result of a GTK command line (i.e. not detailed errors in |
| 1747 | * particular options of ours) we store the error message |
| 1748 | * and terminate parsing. |
| 1749 | * - if we got enough out of the command line to know it |
| 1750 | * specifies a non-X mode of operation, we either display |
| 1751 | * the stored error and return failure, or if there is no |
| 1752 | * stored error we do the non-X operation and return |
| 1753 | * success. |
| 1754 | * - otherwise, we go straight to gtk_init(). |
| 1755 | */ |
| 1756 | |
| 1757 | errbuf[0] = '\0'; |
| 1758 | while (--ac > 0) { |
| 1759 | char *p = *++av; |
| 1760 | if (doing_opts && !strcmp(p, "--version")) { |
| 1761 | printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n", |
| 1762 | thegame.name, ver); |
| 1763 | return 0; |
| 1764 | } else if (doing_opts && !strcmp(p, "--generate")) { |
| 1765 | if (--ac > 0) { |
| 1766 | ngenerate = atoi(*++av); |
| 1767 | if (!ngenerate) { |
| 1768 | fprintf(stderr, "%s: '--generate' expected a number\n", |
| 1769 | pname); |
| 1770 | return 1; |
| 1771 | } |
| 1772 | } else |
| 1773 | ngenerate = 1; |
| 1774 | } else if (doing_opts && !strcmp(p, "--print")) { |
| 1775 | if (!thegame.can_print) { |
| 1776 | fprintf(stderr, "%s: this game does not support printing\n", |
| 1777 | pname); |
| 1778 | return 1; |
| 1779 | } |
| 1780 | print = TRUE; |
| 1781 | if (--ac > 0) { |
| 1782 | char *dim = *++av; |
| 1783 | if (sscanf(dim, "%dx%d", &px, &py) != 2) { |
| 1784 | fprintf(stderr, "%s: unable to parse argument '%s' to " |
| 1785 | "'--print'\n", pname, dim); |
| 1786 | return 1; |
| 1787 | } |
| 1788 | } else { |
| 1789 | px = py = 1; |
| 1790 | } |
| 1791 | } else if (doing_opts && !strcmp(p, "--scale")) { |
| 1792 | if (--ac > 0) { |
| 1793 | scale = atof(*++av); |
| 1794 | } else { |
| 1795 | fprintf(stderr, "%s: no argument supplied to '--scale'\n", |
| 1796 | pname); |
| 1797 | return 1; |
| 1798 | } |
| 1799 | } else if (doing_opts && (!strcmp(p, "--with-solutions") || |
| 1800 | !strcmp(p, "--with-solution") || |
| 1801 | !strcmp(p, "--with-solns") || |
| 1802 | !strcmp(p, "--with-soln") || |
| 1803 | !strcmp(p, "--solutions") || |
| 1804 | !strcmp(p, "--solution") || |
| 1805 | !strcmp(p, "--solns") || |
| 1806 | !strcmp(p, "--soln"))) { |
| 1807 | soln = TRUE; |
| 1808 | } else if (doing_opts && !strcmp(p, "--colour")) { |
| 1809 | if (!thegame.can_print_in_colour) { |
| 1810 | fprintf(stderr, "%s: this game does not support colour" |
| 1811 | " printing\n", pname); |
| 1812 | return 1; |
| 1813 | } |
| 1814 | colour = TRUE; |
| 1815 | } else if (doing_opts && !strcmp(p, "--")) { |
| 1816 | doing_opts = FALSE; |
| 1817 | } else if (!doing_opts || p[0] != '-') { |
| 1818 | if (arg) { |
| 1819 | fprintf(stderr, "%s: more than one argument supplied\n", |
| 1820 | pname); |
| 1821 | return 1; |
| 1822 | } |
| 1823 | arg = p; |
| 1824 | } else { |
| 1825 | sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n", |
| 1826 | pname, p); |
| 1827 | break; |
| 1828 | } |
| 1829 | } |
| 1830 | |
| 1831 | /* |
| 1832 | * Special standalone mode for generating puzzle IDs on the |
| 1833 | * command line. Useful for generating puzzles to be printed |
| 1834 | * out and solved offline (for puzzles where that even makes |
| 1835 | * sense - Solo, for example, is a lot more pencil-and-paper |
| 1836 | * friendly than Twiddle!) |
| 1837 | * |
| 1838 | * Usage: |
| 1839 | * |
| 1840 | * <puzzle-name> --generate [<n> [<params>]] |
| 1841 | * |
| 1842 | * <n>, if present, is the number of puzzle IDs to generate. |
| 1843 | * <params>, if present, is the same type of parameter string |
| 1844 | * you would pass to the puzzle when running it in GUI mode, |
| 1845 | * including optional extras such as the expansion factor in |
| 1846 | * Rectangles and the difficulty level in Solo. |
| 1847 | * |
| 1848 | * If you specify <params>, you must also specify <n> (although |
| 1849 | * you may specify it to be 1). Sorry; that was the |
| 1850 | * simplest-to-parse command-line syntax I came up with. |
| 1851 | */ |
| 1852 | if (ngenerate > 0 || print) { |
| 1853 | int i, n = 1; |
| 1854 | midend *me; |
| 1855 | char *id; |
| 1856 | document *doc = NULL; |
| 1857 | |
| 1858 | if (*errbuf) { |
| 1859 | fputs(errbuf, stderr); |
| 1860 | return 1; |
| 1861 | } |
| 1862 | |
| 1863 | n = ngenerate; |
| 1864 | |
| 1865 | me = midend_new(NULL, &thegame, NULL, NULL); |
| 1866 | i = 0; |
| 1867 | |
| 1868 | if (print) |
| 1869 | doc = document_new(px, py, scale); |
| 1870 | |
| 1871 | /* |
| 1872 | * In this loop, we either generate a game ID or read one |
| 1873 | * from stdin depending on whether we're in generate mode; |
| 1874 | * then we either write it to stdout or print it, depending |
| 1875 | * on whether we're in print mode. Thus, this loop handles |
| 1876 | * generate-to-stdout, print-from-stdin and generate-and- |
| 1877 | * immediately-print modes. |
| 1878 | * |
| 1879 | * (It could also handle a copy-stdin-to-stdout mode, |
| 1880 | * although there's currently no combination of options |
| 1881 | * which will cause this loop to be activated in that mode. |
| 1882 | * It wouldn't be _entirely_ pointless, though, because |
| 1883 | * stdin could contain bare params strings or random-seed |
| 1884 | * IDs, and stdout would contain nothing but fully |
| 1885 | * generated descriptive game IDs.) |
| 1886 | */ |
| 1887 | while (ngenerate == 0 || i < n) { |
| 1888 | char *pstr, *err; |
| 1889 | |
| 1890 | if (ngenerate == 0) { |
| 1891 | pstr = fgetline(stdin); |
| 1892 | if (!pstr) |
| 1893 | break; |
| 1894 | pstr[strcspn(pstr, "\r\n")] = '\0'; |
| 1895 | } else { |
| 1896 | if (arg) { |
| 1897 | pstr = snewn(strlen(arg) + 40, char); |
| 1898 | |
| 1899 | strcpy(pstr, arg); |
| 1900 | if (i > 0 && strchr(arg, '#')) |
| 1901 | sprintf(pstr + strlen(pstr), "-%d", i); |
| 1902 | } else |
| 1903 | pstr = NULL; |
| 1904 | } |
| 1905 | |
| 1906 | if (pstr) { |
| 1907 | err = midend_game_id(me, pstr); |
| 1908 | if (err) { |
| 1909 | fprintf(stderr, "%s: error parsing '%s': %s\n", |
| 1910 | pname, pstr, err); |
| 1911 | return 1; |
| 1912 | } |
| 1913 | } |
| 1914 | sfree(pstr); |
| 1915 | |
| 1916 | midend_new_game(me); |
| 1917 | |
| 1918 | if (doc) { |
| 1919 | err = midend_print_puzzle(me, doc, soln); |
| 1920 | if (err) { |
| 1921 | fprintf(stderr, "%s: error in printing: %s\n", pname, err); |
| 1922 | return 1; |
| 1923 | } |
| 1924 | } else { |
| 1925 | id = midend_get_game_id(me); |
| 1926 | puts(id); |
| 1927 | sfree(id); |
| 1928 | } |
| 1929 | |
| 1930 | i++; |
| 1931 | } |
| 1932 | |
| 1933 | if (doc) { |
| 1934 | psdata *ps = ps_init(stdout, colour); |
| 1935 | document_print(doc, ps_drawing_api(ps)); |
| 1936 | document_free(doc); |
| 1937 | ps_free(ps); |
| 1938 | } |
| 1939 | |
| 1940 | midend_free(me); |
| 1941 | |
| 1942 | return 0; |
| 1943 | } else { |
| 1944 | |
| 1945 | gtk_init(&argc, &argv); |
| 1946 | |
| 1947 | if (!new_window(argc > 1 ? argv[1] : NULL, &error)) { |
| 1948 | fprintf(stderr, "%s: %s\n", pname, error); |
| 1949 | return 1; |
| 1950 | } |
| 1951 | |
| 1952 | gtk_main(); |
| 1953 | } |
| 1954 | |
| 1955 | return 0; |
| 1956 | } |