| 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 | #include <math.h> |
| 13 | |
| 14 | #include <sys/time.h> |
| 15 | |
| 16 | #include <gtk/gtk.h> |
| 17 | #include <gdk/gdkkeysyms.h> |
| 18 | |
| 19 | #include <gdk-pixbuf/gdk-pixbuf.h> |
| 20 | |
| 21 | #include <gdk/gdkx.h> |
| 22 | #include <X11/Xlib.h> |
| 23 | #include <X11/Xutil.h> |
| 24 | #include <X11/Xatom.h> |
| 25 | |
| 26 | #include "puzzles.h" |
| 27 | |
| 28 | #if GTK_CHECK_VERSION(2,0,0) |
| 29 | # define USE_PANGO |
| 30 | # ifdef PANGO_VERSION_CHECK |
| 31 | # if PANGO_VERSION_CHECK(1,8,0) |
| 32 | # define HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION |
| 33 | # endif |
| 34 | # endif |
| 35 | #endif |
| 36 | #if !GTK_CHECK_VERSION(2,4,0) |
| 37 | # define OLD_FILESEL |
| 38 | #endif |
| 39 | #if GTK_CHECK_VERSION(2,8,0) |
| 40 | # define USE_CAIRO |
| 41 | #endif |
| 42 | |
| 43 | /* #undef USE_CAIRO */ |
| 44 | /* #define NO_THICK_LINE */ |
| 45 | #ifdef DEBUGGING |
| 46 | static FILE *debug_fp = NULL; |
| 47 | |
| 48 | void dputs(char *buf) |
| 49 | { |
| 50 | if (!debug_fp) { |
| 51 | debug_fp = fopen("debug.log", "w"); |
| 52 | } |
| 53 | |
| 54 | fputs(buf, stderr); |
| 55 | |
| 56 | if (debug_fp) { |
| 57 | fputs(buf, debug_fp); |
| 58 | fflush(debug_fp); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | void debug_printf(char *fmt, ...) |
| 63 | { |
| 64 | char buf[4096]; |
| 65 | va_list ap; |
| 66 | |
| 67 | va_start(ap, fmt); |
| 68 | vsprintf(buf, fmt, ap); |
| 69 | dputs(buf); |
| 70 | va_end(ap); |
| 71 | } |
| 72 | #endif |
| 73 | |
| 74 | /* ---------------------------------------------------------------------- |
| 75 | * Error reporting functions used elsewhere. |
| 76 | */ |
| 77 | |
| 78 | void fatal(char *fmt, ...) |
| 79 | { |
| 80 | va_list ap; |
| 81 | |
| 82 | fprintf(stderr, "fatal error: "); |
| 83 | |
| 84 | va_start(ap, fmt); |
| 85 | vfprintf(stderr, fmt, ap); |
| 86 | va_end(ap); |
| 87 | |
| 88 | fprintf(stderr, "\n"); |
| 89 | exit(1); |
| 90 | } |
| 91 | |
| 92 | /* ---------------------------------------------------------------------- |
| 93 | * GTK front end to puzzles. |
| 94 | */ |
| 95 | |
| 96 | static void changed_preset(frontend *fe); |
| 97 | |
| 98 | struct font { |
| 99 | #ifdef USE_PANGO |
| 100 | PangoFontDescription *desc; |
| 101 | #else |
| 102 | GdkFont *font; |
| 103 | #endif |
| 104 | int type; |
| 105 | int size; |
| 106 | }; |
| 107 | |
| 108 | /* |
| 109 | * This structure holds all the data relevant to a single window. |
| 110 | * In principle this would allow us to open multiple independent |
| 111 | * puzzle windows, although I can't currently see any real point in |
| 112 | * doing so. I'm just coding cleanly because there's no |
| 113 | * particularly good reason not to. |
| 114 | */ |
| 115 | struct frontend { |
| 116 | GtkWidget *window; |
| 117 | GtkAccelGroup *accelgroup; |
| 118 | GtkWidget *area; |
| 119 | GtkWidget *statusbar; |
| 120 | GtkWidget *menubar; |
| 121 | guint statusctx; |
| 122 | int w, h; |
| 123 | midend *me; |
| 124 | #ifdef USE_CAIRO |
| 125 | const float *colours; |
| 126 | cairo_t *cr; |
| 127 | cairo_surface_t *image; |
| 128 | GdkPixmap *pixmap; |
| 129 | GdkColor background; /* for painting outside puzzle area */ |
| 130 | #else |
| 131 | GdkPixmap *pixmap; |
| 132 | GdkGC *gc; |
| 133 | GdkColor *colours; |
| 134 | GdkColormap *colmap; |
| 135 | int backgroundindex; /* which of colours[] is background */ |
| 136 | #endif |
| 137 | int ncolours; |
| 138 | int bbox_l, bbox_r, bbox_u, bbox_d; |
| 139 | int timer_active, timer_id; |
| 140 | struct timeval last_time; |
| 141 | struct font *fonts; |
| 142 | int nfonts, fontsize; |
| 143 | config_item *cfg; |
| 144 | int cfg_which, cfgret; |
| 145 | GtkWidget *cfgbox; |
| 146 | void *paste_data; |
| 147 | int paste_data_len; |
| 148 | int pw, ph; /* pixmap size (w, h are area size) */ |
| 149 | int ox, oy; /* offset of pixmap in drawing area */ |
| 150 | #ifdef OLD_FILESEL |
| 151 | char *filesel_name; |
| 152 | #endif |
| 153 | int drawing_area_shrink_pending; |
| 154 | GSList *preset_radio; |
| 155 | int n_preset_menu_items; |
| 156 | int preset_threaded; |
| 157 | GtkWidget *preset_custom; |
| 158 | GtkWidget *copy_menu_item; |
| 159 | }; |
| 160 | |
| 161 | struct blitter { |
| 162 | #ifdef USE_CAIRO |
| 163 | cairo_surface_t *image; |
| 164 | #else |
| 165 | GdkPixmap *pixmap; |
| 166 | #endif |
| 167 | int w, h, x, y; |
| 168 | }; |
| 169 | |
| 170 | void get_random_seed(void **randseed, int *randseedsize) |
| 171 | { |
| 172 | struct timeval *tvp = snew(struct timeval); |
| 173 | gettimeofday(tvp, NULL); |
| 174 | *randseed = (void *)tvp; |
| 175 | *randseedsize = sizeof(struct timeval); |
| 176 | } |
| 177 | |
| 178 | void frontend_default_colour(frontend *fe, float *output) |
| 179 | { |
| 180 | GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL]; |
| 181 | output[0] = col.red / 65535.0; |
| 182 | output[1] = col.green / 65535.0; |
| 183 | output[2] = col.blue / 65535.0; |
| 184 | } |
| 185 | |
| 186 | void gtk_status_bar(void *handle, char *text) |
| 187 | { |
| 188 | frontend *fe = (frontend *)handle; |
| 189 | |
| 190 | assert(fe->statusbar); |
| 191 | |
| 192 | gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx); |
| 193 | gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text); |
| 194 | } |
| 195 | |
| 196 | /* ---------------------------------------------------------------------- |
| 197 | * Cairo drawing functions. |
| 198 | */ |
| 199 | |
| 200 | #ifdef USE_CAIRO |
| 201 | |
| 202 | static void setup_drawing(frontend *fe) |
| 203 | { |
| 204 | fe->cr = cairo_create(fe->image); |
| 205 | cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_GRAY); |
| 206 | cairo_set_line_width(fe->cr, 1.0); |
| 207 | cairo_set_line_cap(fe->cr, CAIRO_LINE_CAP_SQUARE); |
| 208 | cairo_set_line_join(fe->cr, CAIRO_LINE_JOIN_ROUND); |
| 209 | } |
| 210 | |
| 211 | static void teardown_drawing(frontend *fe) |
| 212 | { |
| 213 | cairo_t *cr; |
| 214 | |
| 215 | cairo_destroy(fe->cr); |
| 216 | fe->cr = NULL; |
| 217 | |
| 218 | cr = gdk_cairo_create(fe->pixmap); |
| 219 | cairo_set_source_surface(cr, fe->image, 0, 0); |
| 220 | cairo_rectangle(cr, |
| 221 | fe->bbox_l - 1, |
| 222 | fe->bbox_u - 1, |
| 223 | fe->bbox_r - fe->bbox_l + 2, |
| 224 | fe->bbox_d - fe->bbox_u + 2); |
| 225 | cairo_fill(cr); |
| 226 | cairo_destroy(cr); |
| 227 | } |
| 228 | |
| 229 | static void snaffle_colours(frontend *fe) |
| 230 | { |
| 231 | fe->colours = midend_colours(fe->me, &fe->ncolours); |
| 232 | } |
| 233 | |
| 234 | static void set_colour(frontend *fe, int colour) |
| 235 | { |
| 236 | cairo_set_source_rgb(fe->cr, |
| 237 | fe->colours[3*colour + 0], |
| 238 | fe->colours[3*colour + 1], |
| 239 | fe->colours[3*colour + 2]); |
| 240 | } |
| 241 | |
| 242 | static void set_window_background(frontend *fe, int colour) |
| 243 | { |
| 244 | GdkColormap *colmap; |
| 245 | |
| 246 | colmap = gdk_colormap_get_system(); |
| 247 | fe->background.red = fe->colours[3*colour + 0] * 65535; |
| 248 | fe->background.green = fe->colours[3*colour + 1] * 65535; |
| 249 | fe->background.blue = fe->colours[3*colour + 2] * 65535; |
| 250 | if (!gdk_colormap_alloc_color(colmap, &fe->background, FALSE, FALSE)) { |
| 251 | g_error("couldn't allocate background (#%02x%02x%02x)\n", |
| 252 | fe->background.red >> 8, fe->background.green >> 8, |
| 253 | fe->background.blue >> 8); |
| 254 | } |
| 255 | gdk_window_set_background(fe->area->window, &fe->background); |
| 256 | gdk_window_set_background(fe->window->window, &fe->background); |
| 257 | } |
| 258 | |
| 259 | static PangoLayout *make_pango_layout(frontend *fe) |
| 260 | { |
| 261 | return (pango_cairo_create_layout(fe->cr)); |
| 262 | } |
| 263 | |
| 264 | static void draw_pango_layout(frontend *fe, PangoLayout *layout, |
| 265 | int x, int y) |
| 266 | { |
| 267 | cairo_move_to(fe->cr, x, y); |
| 268 | pango_cairo_show_layout(fe->cr, layout); |
| 269 | } |
| 270 | |
| 271 | static void save_screenshot_png(frontend *fe, const char *screenshot_file) |
| 272 | { |
| 273 | cairo_surface_write_to_png(fe->image, screenshot_file); |
| 274 | } |
| 275 | |
| 276 | static void do_clip(frontend *fe, int x, int y, int w, int h) |
| 277 | { |
| 278 | cairo_new_path(fe->cr); |
| 279 | cairo_rectangle(fe->cr, x, y, w, h); |
| 280 | cairo_clip(fe->cr); |
| 281 | } |
| 282 | |
| 283 | static void do_unclip(frontend *fe) |
| 284 | { |
| 285 | cairo_reset_clip(fe->cr); |
| 286 | } |
| 287 | |
| 288 | static void do_draw_rect(frontend *fe, int x, int y, int w, int h) |
| 289 | { |
| 290 | cairo_save(fe->cr); |
| 291 | cairo_new_path(fe->cr); |
| 292 | cairo_set_antialias(fe->cr, CAIRO_ANTIALIAS_NONE); |
| 293 | cairo_rectangle(fe->cr, x, y, w, h); |
| 294 | cairo_fill(fe->cr); |
| 295 | cairo_restore(fe->cr); |
| 296 | } |
| 297 | |
| 298 | static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2) |
| 299 | { |
| 300 | cairo_new_path(fe->cr); |
| 301 | cairo_move_to(fe->cr, x1 + 0.5, y1 + 0.5); |
| 302 | cairo_line_to(fe->cr, x2 + 0.5, y2 + 0.5); |
| 303 | cairo_stroke(fe->cr); |
| 304 | } |
| 305 | |
| 306 | static void do_draw_thick_line(frontend *fe, float thickness, |
| 307 | float x1, float y1, float x2, float y2) |
| 308 | { |
| 309 | cairo_save(fe->cr); |
| 310 | cairo_set_line_width(fe->cr, thickness); |
| 311 | cairo_new_path(fe->cr); |
| 312 | cairo_move_to(fe->cr, x1, y1); |
| 313 | cairo_line_to(fe->cr, x2, y2); |
| 314 | cairo_stroke(fe->cr); |
| 315 | cairo_restore(fe->cr); |
| 316 | } |
| 317 | |
| 318 | static void do_draw_poly(frontend *fe, int *coords, int npoints, |
| 319 | int fillcolour, int outlinecolour) |
| 320 | { |
| 321 | int i; |
| 322 | |
| 323 | cairo_new_path(fe->cr); |
| 324 | for (i = 0; i < npoints; i++) |
| 325 | cairo_line_to(fe->cr, coords[i*2] + 0.5, coords[i*2 + 1] + 0.5); |
| 326 | cairo_close_path(fe->cr); |
| 327 | if (fillcolour >= 0) { |
| 328 | set_colour(fe, fillcolour); |
| 329 | cairo_fill_preserve(fe->cr); |
| 330 | } |
| 331 | assert(outlinecolour >= 0); |
| 332 | set_colour(fe, outlinecolour); |
| 333 | cairo_stroke(fe->cr); |
| 334 | } |
| 335 | |
| 336 | static void do_draw_circle(frontend *fe, int cx, int cy, int radius, |
| 337 | int fillcolour, int outlinecolour) |
| 338 | { |
| 339 | cairo_new_path(fe->cr); |
| 340 | cairo_arc(fe->cr, cx + 0.5, cy + 0.5, radius, 0, 2*PI); |
| 341 | cairo_close_path(fe->cr); /* Just in case... */ |
| 342 | if (fillcolour >= 0) { |
| 343 | set_colour(fe, fillcolour); |
| 344 | cairo_fill_preserve(fe->cr); |
| 345 | } |
| 346 | assert(outlinecolour >= 0); |
| 347 | set_colour(fe, outlinecolour); |
| 348 | cairo_stroke(fe->cr); |
| 349 | } |
| 350 | |
| 351 | static void setup_blitter(blitter *bl, int w, int h) |
| 352 | { |
| 353 | bl->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24, w, h); |
| 354 | } |
| 355 | |
| 356 | static void teardown_blitter(blitter *bl) |
| 357 | { |
| 358 | cairo_surface_destroy(bl->image); |
| 359 | } |
| 360 | |
| 361 | static void do_blitter_save(frontend *fe, blitter *bl, int x, int y) |
| 362 | { |
| 363 | cairo_t *cr = cairo_create(bl->image); |
| 364 | |
| 365 | cairo_set_source_surface(cr, fe->image, -x, -y); |
| 366 | cairo_paint(cr); |
| 367 | cairo_destroy(cr); |
| 368 | } |
| 369 | |
| 370 | static void do_blitter_load(frontend *fe, blitter *bl, int x, int y) |
| 371 | { |
| 372 | cairo_set_source_surface(fe->cr, bl->image, x, y); |
| 373 | cairo_paint(fe->cr); |
| 374 | } |
| 375 | |
| 376 | static void clear_backing_store(frontend *fe) |
| 377 | { |
| 378 | fe->image = NULL; |
| 379 | } |
| 380 | |
| 381 | static void setup_backing_store(frontend *fe) |
| 382 | { |
| 383 | cairo_t *cr; |
| 384 | int i; |
| 385 | |
| 386 | fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1); |
| 387 | fe->image = cairo_image_surface_create(CAIRO_FORMAT_RGB24, |
| 388 | fe->pw, fe->ph); |
| 389 | |
| 390 | for (i = 0; i < 3; i++) { |
| 391 | switch (i) { |
| 392 | case 0: cr = cairo_create(fe->image); break; |
| 393 | case 1: cr = gdk_cairo_create(fe->pixmap); break; |
| 394 | case 2: cr = gdk_cairo_create(fe->area->window); break; |
| 395 | } |
| 396 | cairo_set_source_rgb(cr, |
| 397 | fe->colours[0], fe->colours[1], fe->colours[2]); |
| 398 | cairo_paint(cr); |
| 399 | cairo_destroy(cr); |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | static int backing_store_ok(frontend *fe) |
| 404 | { |
| 405 | return (!!fe->image); |
| 406 | } |
| 407 | |
| 408 | static void teardown_backing_store(frontend *fe) |
| 409 | { |
| 410 | cairo_surface_destroy(fe->image); |
| 411 | gdk_pixmap_unref(fe->pixmap); |
| 412 | fe->image = NULL; |
| 413 | } |
| 414 | |
| 415 | #endif |
| 416 | |
| 417 | /* ---------------------------------------------------------------------- |
| 418 | * GDK drawing functions. |
| 419 | */ |
| 420 | |
| 421 | #ifndef USE_CAIRO |
| 422 | |
| 423 | static void setup_drawing(frontend *fe) |
| 424 | { |
| 425 | fe->gc = gdk_gc_new(fe->area->window); |
| 426 | } |
| 427 | |
| 428 | static void teardown_drawing(frontend *fe) |
| 429 | { |
| 430 | gdk_gc_unref(fe->gc); |
| 431 | fe->gc = NULL; |
| 432 | } |
| 433 | |
| 434 | static void snaffle_colours(frontend *fe) |
| 435 | { |
| 436 | int i, ncolours; |
| 437 | float *colours; |
| 438 | gboolean *success; |
| 439 | |
| 440 | fe->colmap = gdk_colormap_get_system(); |
| 441 | colours = midend_colours(fe->me, &ncolours); |
| 442 | fe->ncolours = ncolours; |
| 443 | fe->colours = snewn(ncolours, GdkColor); |
| 444 | for (i = 0; i < ncolours; i++) { |
| 445 | fe->colours[i].red = colours[i*3] * 0xFFFF; |
| 446 | fe->colours[i].green = colours[i*3+1] * 0xFFFF; |
| 447 | fe->colours[i].blue = colours[i*3+2] * 0xFFFF; |
| 448 | } |
| 449 | success = snewn(ncolours, gboolean); |
| 450 | gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours, |
| 451 | FALSE, FALSE, success); |
| 452 | for (i = 0; i < ncolours; i++) { |
| 453 | if (!success[i]) { |
| 454 | g_error("couldn't allocate colour %d (#%02x%02x%02x)\n", |
| 455 | i, fe->colours[i].red >> 8, |
| 456 | fe->colours[i].green >> 8, |
| 457 | fe->colours[i].blue >> 8); |
| 458 | } |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | static void set_window_background(frontend *fe, int colour) |
| 463 | { |
| 464 | fe->backgroundindex = colour; |
| 465 | gdk_window_set_background(fe->area->window, &fe->colours[colour]); |
| 466 | gdk_window_set_background(fe->window->window, &fe->colours[colour]); |
| 467 | } |
| 468 | |
| 469 | static void set_colour(frontend *fe, int colour) |
| 470 | { |
| 471 | gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); |
| 472 | } |
| 473 | |
| 474 | #ifdef USE_PANGO |
| 475 | static PangoLayout *make_pango_layout(frontend *fe) |
| 476 | { |
| 477 | return (pango_layout_new(gtk_widget_get_pango_context(fe->area))); |
| 478 | } |
| 479 | |
| 480 | static void draw_pango_layout(frontend *fe, PangoLayout *layout, |
| 481 | int x, int y) |
| 482 | { |
| 483 | gdk_draw_layout(fe->pixmap, fe->gc, x, y, layout); |
| 484 | } |
| 485 | #endif |
| 486 | |
| 487 | static void save_screenshot_png(frontend *fe, const char *screenshot_file) |
| 488 | { |
| 489 | GdkPixbuf *pb; |
| 490 | GError *gerror = NULL; |
| 491 | |
| 492 | midend_redraw(fe->me); |
| 493 | |
| 494 | pb = gdk_pixbuf_get_from_drawable(NULL, fe->pixmap, |
| 495 | NULL, 0, 0, 0, 0, -1, -1); |
| 496 | gdk_pixbuf_save(pb, screenshot_file, "png", &gerror, NULL); |
| 497 | } |
| 498 | |
| 499 | static void do_clip(frontend *fe, int x, int y, int w, int h) |
| 500 | { |
| 501 | GdkRectangle rect; |
| 502 | |
| 503 | rect.x = x; |
| 504 | rect.y = y; |
| 505 | rect.width = w; |
| 506 | rect.height = h; |
| 507 | gdk_gc_set_clip_rectangle(fe->gc, &rect); |
| 508 | } |
| 509 | |
| 510 | static void do_unclip(frontend *fe) |
| 511 | { |
| 512 | GdkRectangle rect; |
| 513 | |
| 514 | rect.x = 0; |
| 515 | rect.y = 0; |
| 516 | rect.width = fe->w; |
| 517 | rect.height = fe->h; |
| 518 | gdk_gc_set_clip_rectangle(fe->gc, &rect); |
| 519 | } |
| 520 | |
| 521 | static void do_draw_rect(frontend *fe, int x, int y, int w, int h) |
| 522 | { |
| 523 | gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h); |
| 524 | } |
| 525 | |
| 526 | static void do_draw_line(frontend *fe, int x1, int y1, int x2, int y2) |
| 527 | { |
| 528 | gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2); |
| 529 | } |
| 530 | |
| 531 | static void do_draw_thick_line(frontend *fe, float thickness, |
| 532 | float x1, float y1, float x2, float y2) |
| 533 | { |
| 534 | GdkGCValues save; |
| 535 | |
| 536 | gdk_gc_get_values(fe->gc, &save); |
| 537 | gdk_gc_set_line_attributes(fe->gc, |
| 538 | thickness, |
| 539 | GDK_LINE_SOLID, |
| 540 | GDK_CAP_BUTT, |
| 541 | GDK_JOIN_BEVEL); |
| 542 | gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2); |
| 543 | gdk_gc_set_line_attributes(fe->gc, |
| 544 | save.line_width, |
| 545 | save.line_style, |
| 546 | save.cap_style, |
| 547 | save.join_style); |
| 548 | } |
| 549 | |
| 550 | static void do_draw_poly(frontend *fe, int *coords, int npoints, |
| 551 | int fillcolour, int outlinecolour) |
| 552 | { |
| 553 | GdkPoint *points = snewn(npoints, GdkPoint); |
| 554 | int i; |
| 555 | |
| 556 | for (i = 0; i < npoints; i++) { |
| 557 | points[i].x = coords[i*2]; |
| 558 | points[i].y = coords[i*2+1]; |
| 559 | } |
| 560 | |
| 561 | if (fillcolour >= 0) { |
| 562 | set_colour(fe, fillcolour); |
| 563 | gdk_draw_polygon(fe->pixmap, fe->gc, TRUE, points, npoints); |
| 564 | } |
| 565 | assert(outlinecolour >= 0); |
| 566 | set_colour(fe, outlinecolour); |
| 567 | |
| 568 | /* |
| 569 | * In principle we ought to be able to use gdk_draw_polygon for |
| 570 | * the outline as well. In fact, it turns out to interact badly |
| 571 | * with a clipping region, for no terribly obvious reason, so I |
| 572 | * draw the outline as a sequence of lines instead. |
| 573 | */ |
| 574 | for (i = 0; i < npoints; i++) |
| 575 | gdk_draw_line(fe->pixmap, fe->gc, |
| 576 | points[i].x, points[i].y, |
| 577 | points[(i+1)%npoints].x, points[(i+1)%npoints].y); |
| 578 | |
| 579 | sfree(points); |
| 580 | } |
| 581 | |
| 582 | static void do_draw_circle(frontend *fe, int cx, int cy, int radius, |
| 583 | int fillcolour, int outlinecolour) |
| 584 | { |
| 585 | if (fillcolour >= 0) { |
| 586 | set_colour(fe, fillcolour); |
| 587 | gdk_draw_arc(fe->pixmap, fe->gc, TRUE, |
| 588 | cx - radius, cy - radius, |
| 589 | 2 * radius, 2 * radius, 0, 360 * 64); |
| 590 | } |
| 591 | |
| 592 | assert(outlinecolour >= 0); |
| 593 | set_colour(fe, outlinecolour); |
| 594 | gdk_draw_arc(fe->pixmap, fe->gc, FALSE, |
| 595 | cx - radius, cy - radius, |
| 596 | 2 * radius, 2 * radius, 0, 360 * 64); |
| 597 | } |
| 598 | |
| 599 | static void setup_blitter(blitter *bl, int w, int h) |
| 600 | { |
| 601 | /* |
| 602 | * We can't create the pixmap right now, because fe->window |
| 603 | * might not yet exist. So we just cache w and h and create it |
| 604 | * during the firs call to blitter_save. |
| 605 | */ |
| 606 | bl->pixmap = NULL; |
| 607 | } |
| 608 | |
| 609 | static void teardown_blitter(blitter *bl) |
| 610 | { |
| 611 | if (bl->pixmap) |
| 612 | gdk_pixmap_unref(bl->pixmap); |
| 613 | } |
| 614 | |
| 615 | static void do_blitter_save(frontend *fe, blitter *bl, int x, int y) |
| 616 | { |
| 617 | if (!bl->pixmap) |
| 618 | bl->pixmap = gdk_pixmap_new(fe->area->window, bl->w, bl->h, -1); |
| 619 | gdk_draw_pixmap(bl->pixmap, |
| 620 | fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)], |
| 621 | fe->pixmap, |
| 622 | x, y, 0, 0, bl->w, bl->h); |
| 623 | } |
| 624 | |
| 625 | static void do_blitter_load(frontend *fe, blitter *bl, int x, int y) |
| 626 | { |
| 627 | assert(bl->pixmap); |
| 628 | gdk_draw_pixmap(fe->pixmap, |
| 629 | fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)], |
| 630 | bl->pixmap, |
| 631 | 0, 0, x, y, bl->w, bl->h); |
| 632 | } |
| 633 | |
| 634 | static void clear_backing_store(frontend *fe) |
| 635 | { |
| 636 | fe->pixmap = NULL; |
| 637 | } |
| 638 | |
| 639 | static void setup_backing_store(frontend *fe) |
| 640 | { |
| 641 | GdkGC *gc; |
| 642 | |
| 643 | fe->pixmap = gdk_pixmap_new(fe->area->window, fe->pw, fe->ph, -1); |
| 644 | |
| 645 | gc = gdk_gc_new(fe->area->window); |
| 646 | gdk_gc_set_foreground(gc, &fe->colours[0]); |
| 647 | gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->pw, fe->ph); |
| 648 | gdk_draw_rectangle(fe->area->window, gc, 1, 0, 0, fe->w, fe->h); |
| 649 | gdk_gc_unref(gc); |
| 650 | } |
| 651 | |
| 652 | static int backing_store_ok(frontend *fe) |
| 653 | { |
| 654 | return (!!fe->pixmap); |
| 655 | } |
| 656 | |
| 657 | static void teardown_backing_store(frontend *fe) |
| 658 | { |
| 659 | gdk_pixmap_unref(fe->pixmap); |
| 660 | fe->pixmap = NULL; |
| 661 | } |
| 662 | |
| 663 | #endif |
| 664 | |
| 665 | static void repaint_rectangle(frontend *fe, GtkWidget *widget, |
| 666 | int x, int y, int w, int h) |
| 667 | { |
| 668 | GdkGC *gc = gdk_gc_new(widget->window); |
| 669 | #ifdef USE_CAIRO |
| 670 | gdk_gc_set_foreground(gc, &fe->background); |
| 671 | #else |
| 672 | gdk_gc_set_foreground(gc, &fe->colours[fe->backgroundindex]); |
| 673 | #endif |
| 674 | if (x < fe->ox) { |
| 675 | gdk_draw_rectangle(widget->window, gc, |
| 676 | TRUE, x, y, fe->ox - x, h); |
| 677 | w -= (fe->ox - x); |
| 678 | x = fe->ox; |
| 679 | } |
| 680 | if (y < fe->oy) { |
| 681 | gdk_draw_rectangle(widget->window, gc, |
| 682 | TRUE, x, y, w, fe->oy - y); |
| 683 | h -= (fe->oy - y); |
| 684 | y = fe->oy; |
| 685 | } |
| 686 | if (w > fe->pw) { |
| 687 | gdk_draw_rectangle(widget->window, gc, |
| 688 | TRUE, x + fe->pw, y, w - fe->pw, h); |
| 689 | w = fe->pw; |
| 690 | } |
| 691 | if (h > fe->ph) { |
| 692 | gdk_draw_rectangle(widget->window, gc, |
| 693 | TRUE, x, y + fe->ph, w, h - fe->ph); |
| 694 | h = fe->ph; |
| 695 | } |
| 696 | gdk_draw_pixmap(widget->window, gc, fe->pixmap, |
| 697 | x - fe->ox, y - fe->oy, x, y, w, h); |
| 698 | gdk_gc_unref(gc); |
| 699 | } |
| 700 | |
| 701 | /* ---------------------------------------------------------------------- |
| 702 | * Pango font functions. |
| 703 | */ |
| 704 | |
| 705 | #ifdef USE_PANGO |
| 706 | |
| 707 | static void add_font(frontend *fe, int index, int fonttype, int fontsize) |
| 708 | { |
| 709 | /* |
| 710 | * Use Pango to find the closest match to the requested |
| 711 | * font. |
| 712 | */ |
| 713 | PangoFontDescription *fd; |
| 714 | |
| 715 | fd = pango_font_description_new(); |
| 716 | /* `Monospace' and `Sans' are meta-families guaranteed to exist */ |
| 717 | pango_font_description_set_family(fd, fonttype == FONT_FIXED ? |
| 718 | "Monospace" : "Sans"); |
| 719 | pango_font_description_set_weight(fd, PANGO_WEIGHT_BOLD); |
| 720 | /* |
| 721 | * I found some online Pango documentation which |
| 722 | * described a function called |
| 723 | * pango_font_description_set_absolute_size(), which is |
| 724 | * _exactly_ what I want here. Unfortunately, none of |
| 725 | * my local Pango installations have it (presumably |
| 726 | * they're too old), so I'm going to have to hack round |
| 727 | * it by figuring out the point size myself. This |
| 728 | * limits me to X and probably also breaks in later |
| 729 | * Pango installations, so ideally I should add another |
| 730 | * CHECK_VERSION type ifdef and use set_absolute_size |
| 731 | * where available. All very annoying. |
| 732 | */ |
| 733 | #ifdef HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION |
| 734 | pango_font_description_set_absolute_size(fd, PANGO_SCALE*fontsize); |
| 735 | #else |
| 736 | { |
| 737 | Display *d = GDK_DISPLAY(); |
| 738 | int s = DefaultScreen(d); |
| 739 | double resolution = |
| 740 | (PANGO_SCALE * 72.27 / 25.4) * |
| 741 | ((double) DisplayWidthMM(d, s) / DisplayWidth (d, s)); |
| 742 | pango_font_description_set_size(fd, resolution * fontsize); |
| 743 | } |
| 744 | #endif |
| 745 | fe->fonts[index].desc = fd; |
| 746 | } |
| 747 | |
| 748 | static void align_and_draw_text(frontend *fe, |
| 749 | int index, int align, int x, int y, |
| 750 | const char *text) |
| 751 | { |
| 752 | PangoLayout *layout; |
| 753 | PangoRectangle rect; |
| 754 | |
| 755 | layout = make_pango_layout(fe); |
| 756 | |
| 757 | /* |
| 758 | * Create a layout. |
| 759 | */ |
| 760 | pango_layout_set_font_description(layout, fe->fonts[index].desc); |
| 761 | pango_layout_set_text(layout, text, strlen(text)); |
| 762 | pango_layout_get_pixel_extents(layout, NULL, &rect); |
| 763 | |
| 764 | if (align & ALIGN_VCENTRE) |
| 765 | rect.y -= rect.height / 2; |
| 766 | else |
| 767 | rect.y -= rect.height; |
| 768 | |
| 769 | if (align & ALIGN_HCENTRE) |
| 770 | rect.x -= rect.width / 2; |
| 771 | else if (align & ALIGN_HRIGHT) |
| 772 | rect.x -= rect.width; |
| 773 | |
| 774 | draw_pango_layout(fe, layout, rect.x + x, rect.y + y); |
| 775 | |
| 776 | g_object_unref(layout); |
| 777 | } |
| 778 | |
| 779 | #endif |
| 780 | |
| 781 | /* ---------------------------------------------------------------------- |
| 782 | * Old-fashioned font functions. |
| 783 | */ |
| 784 | |
| 785 | #ifndef USE_PANGO |
| 786 | |
| 787 | static void add_font(int index, int fonttype, int fontsize) |
| 788 | { |
| 789 | /* |
| 790 | * In GTK 1.2, I don't know of any plausible way to |
| 791 | * pick a suitable font, so I'm just going to be |
| 792 | * tedious. |
| 793 | */ |
| 794 | fe->fonts[i].font = gdk_font_load(fonttype == FONT_FIXED ? |
| 795 | "fixed" : "variable"); |
| 796 | } |
| 797 | |
| 798 | static void align_and_draw_text(int index, int align, int x, int y, |
| 799 | const char *text) |
| 800 | { |
| 801 | int lb, rb, wid, asc, desc; |
| 802 | |
| 803 | /* |
| 804 | * Measure vertical string extents with respect to the same |
| 805 | * string always... |
| 806 | */ |
| 807 | gdk_string_extents(fe->fonts[i].font, |
| 808 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ", |
| 809 | &lb, &rb, &wid, &asc, &desc); |
| 810 | if (align & ALIGN_VCENTRE) |
| 811 | y += asc - (asc+desc)/2; |
| 812 | else |
| 813 | y += asc; |
| 814 | |
| 815 | /* |
| 816 | * ... but horizontal extents with respect to the provided |
| 817 | * string. This means that multiple pieces of text centred |
| 818 | * on the same y-coordinate don't have different baselines. |
| 819 | */ |
| 820 | gdk_string_extents(fe->fonts[i].font, text, |
| 821 | &lb, &rb, &wid, &asc, &desc); |
| 822 | |
| 823 | if (align & ALIGN_HCENTRE) |
| 824 | x -= wid / 2; |
| 825 | else if (align & ALIGN_HRIGHT) |
| 826 | x -= wid; |
| 827 | |
| 828 | /* |
| 829 | * Actually draw the text. |
| 830 | */ |
| 831 | gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text); |
| 832 | } |
| 833 | |
| 834 | #endif |
| 835 | |
| 836 | /* ---------------------------------------------------------------------- |
| 837 | * The exported drawing functions. |
| 838 | */ |
| 839 | |
| 840 | void gtk_start_draw(void *handle) |
| 841 | { |
| 842 | frontend *fe = (frontend *)handle; |
| 843 | fe->bbox_l = fe->w; |
| 844 | fe->bbox_r = 0; |
| 845 | fe->bbox_u = fe->h; |
| 846 | fe->bbox_d = 0; |
| 847 | setup_drawing(fe); |
| 848 | } |
| 849 | |
| 850 | void gtk_clip(void *handle, int x, int y, int w, int h) |
| 851 | { |
| 852 | frontend *fe = (frontend *)handle; |
| 853 | do_clip(fe, x, y, w, h); |
| 854 | } |
| 855 | |
| 856 | void gtk_unclip(void *handle) |
| 857 | { |
| 858 | frontend *fe = (frontend *)handle; |
| 859 | do_unclip(fe); |
| 860 | } |
| 861 | |
| 862 | void gtk_draw_text(void *handle, int x, int y, int fonttype, int fontsize, |
| 863 | int align, int colour, char *text) |
| 864 | { |
| 865 | frontend *fe = (frontend *)handle; |
| 866 | int i; |
| 867 | |
| 868 | /* |
| 869 | * Find or create the font. |
| 870 | */ |
| 871 | for (i = 0; i < fe->nfonts; i++) |
| 872 | if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize) |
| 873 | break; |
| 874 | |
| 875 | if (i == fe->nfonts) { |
| 876 | if (fe->fontsize <= fe->nfonts) { |
| 877 | fe->fontsize = fe->nfonts + 10; |
| 878 | fe->fonts = sresize(fe->fonts, fe->fontsize, struct font); |
| 879 | } |
| 880 | |
| 881 | fe->nfonts++; |
| 882 | |
| 883 | fe->fonts[i].type = fonttype; |
| 884 | fe->fonts[i].size = fontsize; |
| 885 | add_font(fe, i, fonttype, fontsize); |
| 886 | } |
| 887 | |
| 888 | /* |
| 889 | * Do the job. |
| 890 | */ |
| 891 | set_colour(fe, colour); |
| 892 | align_and_draw_text(fe, i, align, x, y, text); |
| 893 | } |
| 894 | |
| 895 | void gtk_draw_rect(void *handle, int x, int y, int w, int h, int colour) |
| 896 | { |
| 897 | frontend *fe = (frontend *)handle; |
| 898 | set_colour(fe, colour); |
| 899 | do_draw_rect(fe, x, y, w, h); |
| 900 | } |
| 901 | |
| 902 | void gtk_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour) |
| 903 | { |
| 904 | frontend *fe = (frontend *)handle; |
| 905 | set_colour(fe, colour); |
| 906 | do_draw_line(fe, x1, y1, x2, y2); |
| 907 | } |
| 908 | |
| 909 | void gtk_draw_thick_line(void *handle, float thickness, |
| 910 | float x1, float y1, float x2, float y2, int colour) |
| 911 | { |
| 912 | frontend *fe = (frontend *)handle; |
| 913 | set_colour(fe, colour); |
| 914 | do_draw_thick_line(fe, thickness, x1, y1, x2, y2); |
| 915 | } |
| 916 | |
| 917 | void gtk_draw_poly(void *handle, int *coords, int npoints, |
| 918 | int fillcolour, int outlinecolour) |
| 919 | { |
| 920 | frontend *fe = (frontend *)handle; |
| 921 | do_draw_poly(fe, coords, npoints, fillcolour, outlinecolour); |
| 922 | } |
| 923 | |
| 924 | void gtk_draw_circle(void *handle, int cx, int cy, int radius, |
| 925 | int fillcolour, int outlinecolour) |
| 926 | { |
| 927 | frontend *fe = (frontend *)handle; |
| 928 | do_draw_circle(fe, cx, cy, radius, fillcolour, outlinecolour); |
| 929 | } |
| 930 | |
| 931 | blitter *gtk_blitter_new(void *handle, int w, int h) |
| 932 | { |
| 933 | blitter *bl = snew(blitter); |
| 934 | setup_blitter(bl, w, h); |
| 935 | bl->w = w; |
| 936 | bl->h = h; |
| 937 | return bl; |
| 938 | } |
| 939 | |
| 940 | void gtk_blitter_free(void *handle, blitter *bl) |
| 941 | { |
| 942 | teardown_blitter(bl); |
| 943 | sfree(bl); |
| 944 | } |
| 945 | |
| 946 | void gtk_blitter_save(void *handle, blitter *bl, int x, int y) |
| 947 | { |
| 948 | frontend *fe = (frontend *)handle; |
| 949 | do_blitter_save(fe, bl, x, y); |
| 950 | bl->x = x; |
| 951 | bl->y = y; |
| 952 | } |
| 953 | |
| 954 | void gtk_blitter_load(void *handle, blitter *bl, int x, int y) |
| 955 | { |
| 956 | frontend *fe = (frontend *)handle; |
| 957 | if (x == BLITTER_FROMSAVED && y == BLITTER_FROMSAVED) { |
| 958 | x = bl->x; |
| 959 | y = bl->y; |
| 960 | } |
| 961 | do_blitter_load(fe, bl, x, y); |
| 962 | } |
| 963 | |
| 964 | void gtk_draw_update(void *handle, int x, int y, int w, int h) |
| 965 | { |
| 966 | frontend *fe = (frontend *)handle; |
| 967 | if (fe->bbox_l > x ) fe->bbox_l = x ; |
| 968 | if (fe->bbox_r < x+w) fe->bbox_r = x+w; |
| 969 | if (fe->bbox_u > y ) fe->bbox_u = y ; |
| 970 | if (fe->bbox_d < y+h) fe->bbox_d = y+h; |
| 971 | } |
| 972 | |
| 973 | void gtk_end_draw(void *handle) |
| 974 | { |
| 975 | frontend *fe = (frontend *)handle; |
| 976 | |
| 977 | teardown_drawing(fe); |
| 978 | |
| 979 | if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) { |
| 980 | repaint_rectangle(fe, fe->area, |
| 981 | fe->bbox_l - 1 + fe->ox, |
| 982 | fe->bbox_u - 1 + fe->oy, |
| 983 | fe->bbox_r - fe->bbox_l + 2, |
| 984 | fe->bbox_d - fe->bbox_u + 2); |
| 985 | } |
| 986 | } |
| 987 | |
| 988 | #ifdef USE_PANGO |
| 989 | char *gtk_text_fallback(void *handle, const char *const *strings, int nstrings) |
| 990 | { |
| 991 | /* |
| 992 | * We assume Pango can cope with any UTF-8 likely to be emitted |
| 993 | * by a puzzle. |
| 994 | */ |
| 995 | return dupstr(strings[0]); |
| 996 | } |
| 997 | #endif |
| 998 | |
| 999 | const struct drawing_api gtk_drawing = { |
| 1000 | gtk_draw_text, |
| 1001 | gtk_draw_rect, |
| 1002 | gtk_draw_line, |
| 1003 | gtk_draw_poly, |
| 1004 | gtk_draw_circle, |
| 1005 | gtk_draw_update, |
| 1006 | gtk_clip, |
| 1007 | gtk_unclip, |
| 1008 | gtk_start_draw, |
| 1009 | gtk_end_draw, |
| 1010 | gtk_status_bar, |
| 1011 | gtk_blitter_new, |
| 1012 | gtk_blitter_free, |
| 1013 | gtk_blitter_save, |
| 1014 | gtk_blitter_load, |
| 1015 | NULL, NULL, NULL, NULL, NULL, NULL, /* {begin,end}_{doc,page,puzzle} */ |
| 1016 | NULL, NULL, /* line_width, line_dotted */ |
| 1017 | #ifdef USE_PANGO |
| 1018 | gtk_text_fallback, |
| 1019 | #else |
| 1020 | NULL, |
| 1021 | #endif |
| 1022 | #ifdef NO_THICK_LINE |
| 1023 | NULL, |
| 1024 | #else |
| 1025 | gtk_draw_thick_line, |
| 1026 | #endif |
| 1027 | }; |
| 1028 | |
| 1029 | static void destroy(GtkWidget *widget, gpointer data) |
| 1030 | { |
| 1031 | frontend *fe = (frontend *)data; |
| 1032 | deactivate_timer(fe); |
| 1033 | midend_free(fe->me); |
| 1034 | gtk_main_quit(); |
| 1035 | } |
| 1036 | |
| 1037 | static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 1038 | { |
| 1039 | frontend *fe = (frontend *)data; |
| 1040 | int keyval; |
| 1041 | int shift = (event->state & GDK_SHIFT_MASK) ? MOD_SHFT : 0; |
| 1042 | int ctrl = (event->state & GDK_CONTROL_MASK) ? MOD_CTRL : 0; |
| 1043 | |
| 1044 | if (!backing_store_ok(fe)) |
| 1045 | return TRUE; |
| 1046 | |
| 1047 | #if !GTK_CHECK_VERSION(2,0,0) |
| 1048 | /* Gtk 1.2 passes a key event to this function even if it's also |
| 1049 | * defined as an accelerator. |
| 1050 | * Gtk 2 doesn't do this, and this function appears not to exist there. */ |
| 1051 | if (fe->accelgroup && |
| 1052 | gtk_accel_group_get_entry(fe->accelgroup, |
| 1053 | event->keyval, event->state)) |
| 1054 | return TRUE; |
| 1055 | #endif |
| 1056 | |
| 1057 | /* Handle mnemonics. */ |
| 1058 | if (gtk_window_activate_key(GTK_WINDOW(fe->window), event)) |
| 1059 | return TRUE; |
| 1060 | |
| 1061 | if (event->keyval == GDK_Up) |
| 1062 | keyval = shift | ctrl | CURSOR_UP; |
| 1063 | else if (event->keyval == GDK_KP_Up || event->keyval == GDK_KP_8) |
| 1064 | keyval = MOD_NUM_KEYPAD | '8'; |
| 1065 | else if (event->keyval == GDK_Down) |
| 1066 | keyval = shift | ctrl | CURSOR_DOWN; |
| 1067 | else if (event->keyval == GDK_KP_Down || event->keyval == GDK_KP_2) |
| 1068 | keyval = MOD_NUM_KEYPAD | '2'; |
| 1069 | else if (event->keyval == GDK_Left) |
| 1070 | keyval = shift | ctrl | CURSOR_LEFT; |
| 1071 | else if (event->keyval == GDK_KP_Left || event->keyval == GDK_KP_4) |
| 1072 | keyval = MOD_NUM_KEYPAD | '4'; |
| 1073 | else if (event->keyval == GDK_Right) |
| 1074 | keyval = shift | ctrl | CURSOR_RIGHT; |
| 1075 | else if (event->keyval == GDK_KP_Right || event->keyval == GDK_KP_6) |
| 1076 | keyval = MOD_NUM_KEYPAD | '6'; |
| 1077 | else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7) |
| 1078 | keyval = MOD_NUM_KEYPAD | '7'; |
| 1079 | else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1) |
| 1080 | keyval = MOD_NUM_KEYPAD | '1'; |
| 1081 | else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9) |
| 1082 | keyval = MOD_NUM_KEYPAD | '9'; |
| 1083 | else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3) |
| 1084 | keyval = MOD_NUM_KEYPAD | '3'; |
| 1085 | else if (event->keyval == GDK_KP_Insert || event->keyval == GDK_KP_0) |
| 1086 | keyval = MOD_NUM_KEYPAD | '0'; |
| 1087 | else if (event->keyval == GDK_KP_Begin || event->keyval == GDK_KP_5) |
| 1088 | keyval = MOD_NUM_KEYPAD | '5'; |
| 1089 | else if (event->keyval == GDK_BackSpace || |
| 1090 | event->keyval == GDK_Delete || |
| 1091 | event->keyval == GDK_KP_Delete) |
| 1092 | keyval = '\177'; |
| 1093 | else if (event->string[0] && !event->string[1]) |
| 1094 | keyval = (unsigned char)event->string[0]; |
| 1095 | else |
| 1096 | keyval = -1; |
| 1097 | |
| 1098 | if (keyval >= 0 && |
| 1099 | !midend_process_key(fe->me, 0, 0, keyval)) |
| 1100 | gtk_widget_destroy(fe->window); |
| 1101 | |
| 1102 | return TRUE; |
| 1103 | } |
| 1104 | |
| 1105 | static gint button_event(GtkWidget *widget, GdkEventButton *event, |
| 1106 | gpointer data) |
| 1107 | { |
| 1108 | frontend *fe = (frontend *)data; |
| 1109 | int button; |
| 1110 | |
| 1111 | if (!backing_store_ok(fe)) |
| 1112 | return TRUE; |
| 1113 | |
| 1114 | if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE) |
| 1115 | return TRUE; |
| 1116 | |
| 1117 | if (event->button == 2 || (event->state & GDK_SHIFT_MASK)) |
| 1118 | button = MIDDLE_BUTTON; |
| 1119 | else if (event->button == 3 || (event->state & GDK_MOD1_MASK)) |
| 1120 | button = RIGHT_BUTTON; |
| 1121 | else if (event->button == 1) |
| 1122 | button = LEFT_BUTTON; |
| 1123 | else |
| 1124 | return FALSE; /* don't even know what button! */ |
| 1125 | |
| 1126 | if (event->type == GDK_BUTTON_RELEASE) |
| 1127 | button += LEFT_RELEASE - LEFT_BUTTON; |
| 1128 | |
| 1129 | if (!midend_process_key(fe->me, event->x - fe->ox, |
| 1130 | event->y - fe->oy, button)) |
| 1131 | gtk_widget_destroy(fe->window); |
| 1132 | |
| 1133 | return TRUE; |
| 1134 | } |
| 1135 | |
| 1136 | static gint motion_event(GtkWidget *widget, GdkEventMotion *event, |
| 1137 | gpointer data) |
| 1138 | { |
| 1139 | frontend *fe = (frontend *)data; |
| 1140 | int button; |
| 1141 | |
| 1142 | if (!backing_store_ok(fe)) |
| 1143 | return TRUE; |
| 1144 | |
| 1145 | if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK)) |
| 1146 | button = MIDDLE_DRAG; |
| 1147 | else if (event->state & GDK_BUTTON1_MASK) |
| 1148 | button = LEFT_DRAG; |
| 1149 | else if (event->state & GDK_BUTTON3_MASK) |
| 1150 | button = RIGHT_DRAG; |
| 1151 | else |
| 1152 | return FALSE; /* don't even know what button! */ |
| 1153 | |
| 1154 | if (!midend_process_key(fe->me, event->x - fe->ox, |
| 1155 | event->y - fe->oy, button)) |
| 1156 | gtk_widget_destroy(fe->window); |
| 1157 | #if GTK_CHECK_VERSION(2,12,0) |
| 1158 | gdk_event_request_motions(event); |
| 1159 | #else |
| 1160 | gdk_window_get_pointer(widget->window, NULL, NULL, NULL); |
| 1161 | #endif |
| 1162 | |
| 1163 | return TRUE; |
| 1164 | } |
| 1165 | |
| 1166 | static gint expose_area(GtkWidget *widget, GdkEventExpose *event, |
| 1167 | gpointer data) |
| 1168 | { |
| 1169 | frontend *fe = (frontend *)data; |
| 1170 | |
| 1171 | if (backing_store_ok(fe)) { |
| 1172 | repaint_rectangle(fe, widget, |
| 1173 | event->area.x, event->area.y, |
| 1174 | event->area.width, event->area.height); |
| 1175 | } |
| 1176 | return TRUE; |
| 1177 | } |
| 1178 | |
| 1179 | static gint map_window(GtkWidget *widget, GdkEvent *event, |
| 1180 | gpointer data) |
| 1181 | { |
| 1182 | frontend *fe = (frontend *)data; |
| 1183 | |
| 1184 | /* |
| 1185 | * Apparently we need to do this because otherwise the status |
| 1186 | * bar will fail to update immediately. Annoying, but there we |
| 1187 | * go. |
| 1188 | */ |
| 1189 | gtk_widget_queue_draw(fe->window); |
| 1190 | |
| 1191 | return TRUE; |
| 1192 | } |
| 1193 | |
| 1194 | static gint configure_area(GtkWidget *widget, |
| 1195 | GdkEventConfigure *event, gpointer data) |
| 1196 | { |
| 1197 | frontend *fe = (frontend *)data; |
| 1198 | int x, y; |
| 1199 | |
| 1200 | if (backing_store_ok(fe)) |
| 1201 | teardown_backing_store(fe); |
| 1202 | |
| 1203 | x = fe->w = event->width; |
| 1204 | y = fe->h = event->height; |
| 1205 | midend_size(fe->me, &x, &y, TRUE); |
| 1206 | fe->pw = x; |
| 1207 | fe->ph = y; |
| 1208 | fe->ox = (fe->w - fe->pw) / 2; |
| 1209 | fe->oy = (fe->h - fe->ph) / 2; |
| 1210 | |
| 1211 | setup_backing_store(fe); |
| 1212 | midend_force_redraw(fe->me); |
| 1213 | |
| 1214 | return TRUE; |
| 1215 | } |
| 1216 | |
| 1217 | static gint timer_func(gpointer data) |
| 1218 | { |
| 1219 | frontend *fe = (frontend *)data; |
| 1220 | |
| 1221 | if (fe->timer_active) { |
| 1222 | struct timeval now; |
| 1223 | float elapsed; |
| 1224 | gettimeofday(&now, NULL); |
| 1225 | elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F + |
| 1226 | (now.tv_sec - fe->last_time.tv_sec)); |
| 1227 | midend_timer(fe->me, elapsed); /* may clear timer_active */ |
| 1228 | fe->last_time = now; |
| 1229 | } |
| 1230 | |
| 1231 | return fe->timer_active; |
| 1232 | } |
| 1233 | |
| 1234 | void deactivate_timer(frontend *fe) |
| 1235 | { |
| 1236 | if (!fe) |
| 1237 | return; /* can happen due to --generate */ |
| 1238 | if (fe->timer_active) |
| 1239 | gtk_timeout_remove(fe->timer_id); |
| 1240 | fe->timer_active = FALSE; |
| 1241 | } |
| 1242 | |
| 1243 | void activate_timer(frontend *fe) |
| 1244 | { |
| 1245 | if (!fe) |
| 1246 | return; /* can happen due to --generate */ |
| 1247 | if (!fe->timer_active) { |
| 1248 | fe->timer_id = gtk_timeout_add(20, timer_func, fe); |
| 1249 | gettimeofday(&fe->last_time, NULL); |
| 1250 | } |
| 1251 | fe->timer_active = TRUE; |
| 1252 | } |
| 1253 | |
| 1254 | static void window_destroy(GtkWidget *widget, gpointer data) |
| 1255 | { |
| 1256 | gtk_main_quit(); |
| 1257 | } |
| 1258 | |
| 1259 | static void msgbox_button_clicked(GtkButton *button, gpointer data) |
| 1260 | { |
| 1261 | GtkWidget *window = GTK_WIDGET(data); |
| 1262 | int v, *ip; |
| 1263 | |
| 1264 | ip = (int *)gtk_object_get_data(GTK_OBJECT(window), "user-data"); |
| 1265 | v = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "user-data")); |
| 1266 | *ip = v; |
| 1267 | |
| 1268 | gtk_widget_destroy(GTK_WIDGET(data)); |
| 1269 | } |
| 1270 | |
| 1271 | static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 1272 | { |
| 1273 | GtkObject *cancelbutton = GTK_OBJECT(data); |
| 1274 | |
| 1275 | /* |
| 1276 | * `Escape' effectively clicks the cancel button |
| 1277 | */ |
| 1278 | if (event->keyval == GDK_Escape) { |
| 1279 | gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked"); |
| 1280 | return TRUE; |
| 1281 | } |
| 1282 | |
| 1283 | return FALSE; |
| 1284 | } |
| 1285 | |
| 1286 | enum { MB_OK, MB_YESNO }; |
| 1287 | |
| 1288 | int message_box(GtkWidget *parent, char *title, char *msg, int centre, |
| 1289 | int type) |
| 1290 | { |
| 1291 | GtkWidget *window, *hbox, *text, *button; |
| 1292 | char *titles; |
| 1293 | int i, def, cancel; |
| 1294 | |
| 1295 | window = gtk_dialog_new(); |
| 1296 | text = gtk_label_new(msg); |
| 1297 | gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0); |
| 1298 | hbox = gtk_hbox_new(FALSE, 0); |
| 1299 | gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20); |
| 1300 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox), |
| 1301 | hbox, FALSE, FALSE, 20); |
| 1302 | gtk_widget_show(text); |
| 1303 | gtk_widget_show(hbox); |
| 1304 | gtk_window_set_title(GTK_WINDOW(window), title); |
| 1305 | gtk_label_set_line_wrap(GTK_LABEL(text), TRUE); |
| 1306 | |
| 1307 | if (type == MB_OK) { |
| 1308 | titles = GTK_STOCK_OK "\0"; |
| 1309 | def = cancel = 0; |
| 1310 | } else { |
| 1311 | assert(type == MB_YESNO); |
| 1312 | titles = GTK_STOCK_NO "\0" GTK_STOCK_YES "\0"; |
| 1313 | def = 1; |
| 1314 | cancel = 0; |
| 1315 | } |
| 1316 | i = 0; |
| 1317 | |
| 1318 | while (*titles) { |
| 1319 | button = gtk_button_new_from_stock(titles); |
| 1320 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area), |
| 1321 | button, FALSE, FALSE, 0); |
| 1322 | gtk_widget_show(button); |
| 1323 | if (i == def) { |
| 1324 | GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT); |
| 1325 | gtk_window_set_default(GTK_WINDOW(window), button); |
| 1326 | } |
| 1327 | if (i == cancel) { |
| 1328 | gtk_signal_connect(GTK_OBJECT(window), "key_press_event", |
| 1329 | GTK_SIGNAL_FUNC(win_key_press), button); |
| 1330 | } |
| 1331 | gtk_signal_connect(GTK_OBJECT(button), "clicked", |
| 1332 | GTK_SIGNAL_FUNC(msgbox_button_clicked), window); |
| 1333 | gtk_object_set_data(GTK_OBJECT(button), "user-data", |
| 1334 | GINT_TO_POINTER(i)); |
| 1335 | titles += strlen(titles)+1; |
| 1336 | i++; |
| 1337 | } |
| 1338 | gtk_object_set_data(GTK_OBJECT(window), "user-data", |
| 1339 | GINT_TO_POINTER(&i)); |
| 1340 | gtk_signal_connect(GTK_OBJECT(window), "destroy", |
| 1341 | GTK_SIGNAL_FUNC(window_destroy), NULL); |
| 1342 | gtk_window_set_modal(GTK_WINDOW(window), TRUE); |
| 1343 | gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent)); |
| 1344 | /* set_transient_window_pos(parent, window); */ |
| 1345 | gtk_widget_show(window); |
| 1346 | i = -1; |
| 1347 | gtk_main(); |
| 1348 | return (type == MB_YESNO ? i == 1 : TRUE); |
| 1349 | } |
| 1350 | |
| 1351 | void error_box(GtkWidget *parent, char *msg) |
| 1352 | { |
| 1353 | message_box(parent, "Error", msg, FALSE, MB_OK); |
| 1354 | } |
| 1355 | |
| 1356 | static void config_ok_button_clicked(GtkButton *button, gpointer data) |
| 1357 | { |
| 1358 | frontend *fe = (frontend *)data; |
| 1359 | char *err; |
| 1360 | |
| 1361 | err = midend_set_config(fe->me, fe->cfg_which, fe->cfg); |
| 1362 | |
| 1363 | if (err) |
| 1364 | error_box(fe->cfgbox, err); |
| 1365 | else { |
| 1366 | fe->cfgret = TRUE; |
| 1367 | gtk_widget_destroy(fe->cfgbox); |
| 1368 | changed_preset(fe); |
| 1369 | } |
| 1370 | } |
| 1371 | |
| 1372 | static void config_cancel_button_clicked(GtkButton *button, gpointer data) |
| 1373 | { |
| 1374 | frontend *fe = (frontend *)data; |
| 1375 | |
| 1376 | gtk_widget_destroy(fe->cfgbox); |
| 1377 | } |
| 1378 | |
| 1379 | static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 1380 | { |
| 1381 | /* |
| 1382 | * GtkEntry has a nasty habit of eating the Return key, which |
| 1383 | * is unhelpful since it doesn't actually _do_ anything with it |
| 1384 | * (it calls gtk_widget_activate, but our edit boxes never need |
| 1385 | * activating). So I catch Return before GtkEntry sees it, and |
| 1386 | * pass it straight on to the parent widget. Effect: hitting |
| 1387 | * Return in an edit box will now activate the default button |
| 1388 | * in the dialog just like it will everywhere else. |
| 1389 | */ |
| 1390 | if (event->keyval == GDK_Return && widget->parent != NULL) { |
| 1391 | gint return_val; |
| 1392 | gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event"); |
| 1393 | gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event", |
| 1394 | event, &return_val); |
| 1395 | return return_val; |
| 1396 | } |
| 1397 | return FALSE; |
| 1398 | } |
| 1399 | |
| 1400 | static void editbox_changed(GtkEditable *ed, gpointer data) |
| 1401 | { |
| 1402 | config_item *i = (config_item *)data; |
| 1403 | |
| 1404 | sfree(i->sval); |
| 1405 | i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed))); |
| 1406 | } |
| 1407 | |
| 1408 | static void button_toggled(GtkToggleButton *tb, gpointer data) |
| 1409 | { |
| 1410 | config_item *i = (config_item *)data; |
| 1411 | |
| 1412 | i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb)); |
| 1413 | } |
| 1414 | |
| 1415 | static void droplist_sel(GtkMenuItem *item, gpointer data) |
| 1416 | { |
| 1417 | config_item *i = (config_item *)data; |
| 1418 | |
| 1419 | i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item), |
| 1420 | "user-data")); |
| 1421 | } |
| 1422 | |
| 1423 | static int get_config(frontend *fe, int which) |
| 1424 | { |
| 1425 | GtkWidget *w, *table, *cancel; |
| 1426 | char *title; |
| 1427 | config_item *i; |
| 1428 | int y; |
| 1429 | |
| 1430 | fe->cfg = midend_get_config(fe->me, which, &title); |
| 1431 | fe->cfg_which = which; |
| 1432 | fe->cfgret = FALSE; |
| 1433 | |
| 1434 | fe->cfgbox = gtk_dialog_new(); |
| 1435 | gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title); |
| 1436 | sfree(title); |
| 1437 | |
| 1438 | w = gtk_button_new_from_stock(GTK_STOCK_CANCEL); |
| 1439 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area), |
| 1440 | w, FALSE, FALSE, 0); |
| 1441 | gtk_widget_show(w); |
| 1442 | gtk_signal_connect(GTK_OBJECT(w), "clicked", |
| 1443 | GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe); |
| 1444 | cancel = w; |
| 1445 | |
| 1446 | w = gtk_button_new_from_stock(GTK_STOCK_OK); |
| 1447 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area), |
| 1448 | w, FALSE, FALSE, 0); |
| 1449 | gtk_widget_show(w); |
| 1450 | GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT); |
| 1451 | gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w); |
| 1452 | gtk_signal_connect(GTK_OBJECT(w), "clicked", |
| 1453 | GTK_SIGNAL_FUNC(config_ok_button_clicked), fe); |
| 1454 | |
| 1455 | table = gtk_table_new(1, 2, FALSE); |
| 1456 | y = 0; |
| 1457 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox), |
| 1458 | table, FALSE, FALSE, 0); |
| 1459 | gtk_widget_show(table); |
| 1460 | |
| 1461 | for (i = fe->cfg; i->type != C_END; i++) { |
| 1462 | gtk_table_resize(GTK_TABLE(table), y+1, 2); |
| 1463 | |
| 1464 | switch (i->type) { |
| 1465 | case C_STRING: |
| 1466 | /* |
| 1467 | * Edit box with a label beside it. |
| 1468 | */ |
| 1469 | |
| 1470 | w = gtk_label_new(i->name); |
| 1471 | gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5); |
| 1472 | gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1, |
| 1473 | GTK_SHRINK | GTK_FILL, |
| 1474 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 1475 | 3, 3); |
| 1476 | gtk_widget_show(w); |
| 1477 | |
| 1478 | w = gtk_entry_new(); |
| 1479 | gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1, |
| 1480 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 1481 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 1482 | 3, 3); |
| 1483 | gtk_entry_set_text(GTK_ENTRY(w), i->sval); |
| 1484 | gtk_signal_connect(GTK_OBJECT(w), "changed", |
| 1485 | GTK_SIGNAL_FUNC(editbox_changed), i); |
| 1486 | gtk_signal_connect(GTK_OBJECT(w), "key_press_event", |
| 1487 | GTK_SIGNAL_FUNC(editbox_key), NULL); |
| 1488 | gtk_widget_show(w); |
| 1489 | |
| 1490 | break; |
| 1491 | |
| 1492 | case C_BOOLEAN: |
| 1493 | /* |
| 1494 | * Simple checkbox. |
| 1495 | */ |
| 1496 | w = gtk_check_button_new_with_label(i->name); |
| 1497 | gtk_signal_connect(GTK_OBJECT(w), "toggled", |
| 1498 | GTK_SIGNAL_FUNC(button_toggled), i); |
| 1499 | gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1, |
| 1500 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 1501 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 1502 | 3, 3); |
| 1503 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival); |
| 1504 | gtk_widget_show(w); |
| 1505 | break; |
| 1506 | |
| 1507 | case C_CHOICES: |
| 1508 | /* |
| 1509 | * Drop-down list (GtkOptionMenu). |
| 1510 | */ |
| 1511 | |
| 1512 | w = gtk_label_new(i->name); |
| 1513 | gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5); |
| 1514 | gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1, |
| 1515 | GTK_SHRINK | GTK_FILL, |
| 1516 | GTK_EXPAND | GTK_SHRINK | GTK_FILL , |
| 1517 | 3, 3); |
| 1518 | gtk_widget_show(w); |
| 1519 | |
| 1520 | w = gtk_option_menu_new(); |
| 1521 | gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1, |
| 1522 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 1523 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 1524 | 3, 3); |
| 1525 | gtk_widget_show(w); |
| 1526 | |
| 1527 | { |
| 1528 | int c, val; |
| 1529 | char *p, *q, *name; |
| 1530 | GtkWidget *menuitem; |
| 1531 | GtkWidget *menu = gtk_menu_new(); |
| 1532 | |
| 1533 | gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu); |
| 1534 | |
| 1535 | c = *i->sval; |
| 1536 | p = i->sval+1; |
| 1537 | val = 0; |
| 1538 | |
| 1539 | while (*p) { |
| 1540 | q = p; |
| 1541 | while (*q && *q != c) |
| 1542 | q++; |
| 1543 | |
| 1544 | name = snewn(q-p+1, char); |
| 1545 | strncpy(name, p, q-p); |
| 1546 | name[q-p] = '\0'; |
| 1547 | |
| 1548 | if (*q) q++; /* eat delimiter */ |
| 1549 | |
| 1550 | menuitem = gtk_menu_item_new_with_label(name); |
| 1551 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 1552 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 1553 | GINT_TO_POINTER(val)); |
| 1554 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 1555 | GTK_SIGNAL_FUNC(droplist_sel), i); |
| 1556 | gtk_widget_show(menuitem); |
| 1557 | |
| 1558 | val++; |
| 1559 | |
| 1560 | p = q; |
| 1561 | } |
| 1562 | |
| 1563 | gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival); |
| 1564 | } |
| 1565 | |
| 1566 | break; |
| 1567 | } |
| 1568 | |
| 1569 | y++; |
| 1570 | } |
| 1571 | |
| 1572 | gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy", |
| 1573 | GTK_SIGNAL_FUNC(window_destroy), NULL); |
| 1574 | gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event", |
| 1575 | GTK_SIGNAL_FUNC(win_key_press), cancel); |
| 1576 | gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE); |
| 1577 | gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox), |
| 1578 | GTK_WINDOW(fe->window)); |
| 1579 | /* set_transient_window_pos(fe->window, fe->cfgbox); */ |
| 1580 | gtk_widget_show(fe->cfgbox); |
| 1581 | gtk_main(); |
| 1582 | |
| 1583 | free_cfg(fe->cfg); |
| 1584 | |
| 1585 | return fe->cfgret; |
| 1586 | } |
| 1587 | |
| 1588 | static void menu_key_event(GtkMenuItem *menuitem, gpointer data) |
| 1589 | { |
| 1590 | frontend *fe = (frontend *)data; |
| 1591 | int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem), |
| 1592 | "user-data")); |
| 1593 | if (!midend_process_key(fe->me, 0, 0, key)) |
| 1594 | gtk_widget_destroy(fe->window); |
| 1595 | } |
| 1596 | |
| 1597 | static void get_size(frontend *fe, int *px, int *py) |
| 1598 | { |
| 1599 | int x, y; |
| 1600 | |
| 1601 | /* |
| 1602 | * Currently I don't want to make the GTK port scale large |
| 1603 | * puzzles to fit on the screen. This is because X does permit |
| 1604 | * extremely large windows and many window managers provide a |
| 1605 | * means of navigating round them, and the users I consulted |
| 1606 | * before deciding said that they'd rather have enormous puzzle |
| 1607 | * windows spanning multiple screen pages than have them |
| 1608 | * shrunk. I could change my mind later or introduce |
| 1609 | * configurability; this would be the place to do so, by |
| 1610 | * replacing the initial values of x and y with the screen |
| 1611 | * dimensions. |
| 1612 | */ |
| 1613 | x = INT_MAX; |
| 1614 | y = INT_MAX; |
| 1615 | midend_size(fe->me, &x, &y, FALSE); |
| 1616 | *px = x; |
| 1617 | *py = y; |
| 1618 | } |
| 1619 | |
| 1620 | #if !GTK_CHECK_VERSION(2,0,0) |
| 1621 | #define gtk_window_resize(win, x, y) \ |
| 1622 | gdk_window_resize(GTK_WIDGET(win)->window, x, y) |
| 1623 | #endif |
| 1624 | |
| 1625 | /* |
| 1626 | * Called when any other code in this file has changed the |
| 1627 | * selected game parameters. |
| 1628 | */ |
| 1629 | static void changed_preset(frontend *fe) |
| 1630 | { |
| 1631 | int n = midend_which_preset(fe->me); |
| 1632 | |
| 1633 | fe->preset_threaded = TRUE; |
| 1634 | if (n < 0 && fe->preset_custom) { |
| 1635 | gtk_check_menu_item_set_active( |
| 1636 | GTK_CHECK_MENU_ITEM(fe->preset_custom), |
| 1637 | TRUE); |
| 1638 | } else { |
| 1639 | GSList *gs = fe->preset_radio; |
| 1640 | int i = fe->n_preset_menu_items - 1 - n; |
| 1641 | if (fe->preset_custom) |
| 1642 | gs = gs->next; |
| 1643 | while (i && gs) { |
| 1644 | i--; |
| 1645 | gs = gs->next; |
| 1646 | } |
| 1647 | if (gs) { |
| 1648 | gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data), |
| 1649 | TRUE); |
| 1650 | } else for (gs = fe->preset_radio; gs; gs = gs->next) { |
| 1651 | gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gs->data), |
| 1652 | FALSE); |
| 1653 | } |
| 1654 | } |
| 1655 | fe->preset_threaded = FALSE; |
| 1656 | |
| 1657 | /* |
| 1658 | * Update the greying on the Copy menu option. |
| 1659 | */ |
| 1660 | if (fe->copy_menu_item) { |
| 1661 | int enabled = midend_can_format_as_text_now(fe->me); |
| 1662 | gtk_widget_set_sensitive(fe->copy_menu_item, enabled); |
| 1663 | } |
| 1664 | } |
| 1665 | |
| 1666 | static gboolean not_size_allocated_yet(GtkWidget *w) |
| 1667 | { |
| 1668 | /* |
| 1669 | * This function tests whether a widget has not yet taken up space |
| 1670 | * on the screen which it will occupy in future. (Therefore, it |
| 1671 | * returns true only if the widget does exist but does not have a |
| 1672 | * size allocation. A null widget is already taking up all the |
| 1673 | * space it ever will.) |
| 1674 | */ |
| 1675 | if (!w) |
| 1676 | return FALSE; /* nonexistent widgets aren't a problem */ |
| 1677 | |
| 1678 | #if GTK_CHECK_VERSION(2,18,0) /* skip if no gtk_widget_get_allocation */ |
| 1679 | { |
| 1680 | GtkAllocation a; |
| 1681 | gtk_widget_get_allocation(w, &a); |
| 1682 | if (a.height == 0 || a.width == 0) |
| 1683 | return TRUE; /* widget exists but has no size yet */ |
| 1684 | } |
| 1685 | #endif |
| 1686 | |
| 1687 | return FALSE; |
| 1688 | } |
| 1689 | |
| 1690 | static void try_shrink_drawing_area(frontend *fe) |
| 1691 | { |
| 1692 | if (fe->drawing_area_shrink_pending && |
| 1693 | !not_size_allocated_yet(fe->menubar) && |
| 1694 | !not_size_allocated_yet(fe->statusbar)) { |
| 1695 | /* |
| 1696 | * In order to permit the user to resize the window smaller as |
| 1697 | * well as bigger, we call this function after the window size |
| 1698 | * has ended up where we want it. This shouldn't shrink the |
| 1699 | * window immediately; it just arranges that the next time the |
| 1700 | * user tries to shrink it, they can. |
| 1701 | * |
| 1702 | * However, at puzzle creation time, we defer the first of |
| 1703 | * these operations until after the menu bar and status bar |
| 1704 | * are actually visible. On Ubuntu 12.04 I've found that these |
| 1705 | * can take a while to be displayed, and that it's a mistake |
| 1706 | * to reduce the drawing area's size allocation before they've |
| 1707 | * turned up or else the drawing area makes room for them by |
| 1708 | * shrinking to less than the size we intended. |
| 1709 | */ |
| 1710 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), 1, 1); |
| 1711 | fe->drawing_area_shrink_pending = FALSE; |
| 1712 | } |
| 1713 | } |
| 1714 | |
| 1715 | static gint configure_window(GtkWidget *widget, |
| 1716 | GdkEventConfigure *event, gpointer data) |
| 1717 | { |
| 1718 | frontend *fe = (frontend *)data; |
| 1719 | /* |
| 1720 | * When the main puzzle window changes size, it might be because |
| 1721 | * the menu bar or status bar has turned up after starting off |
| 1722 | * absent, in which case we should have another go at enacting a |
| 1723 | * pending shrink of the drawing area. |
| 1724 | */ |
| 1725 | try_shrink_drawing_area(fe); |
| 1726 | return FALSE; |
| 1727 | } |
| 1728 | |
| 1729 | static void resize_fe(frontend *fe) |
| 1730 | { |
| 1731 | int x, y; |
| 1732 | |
| 1733 | get_size(fe, &x, &y); |
| 1734 | fe->w = x; |
| 1735 | fe->h = y; |
| 1736 | fe->drawing_area_shrink_pending = FALSE; |
| 1737 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); |
| 1738 | { |
| 1739 | GtkRequisition req; |
| 1740 | gtk_widget_size_request(GTK_WIDGET(fe->window), &req); |
| 1741 | gtk_window_resize(GTK_WINDOW(fe->window), req.width, req.height); |
| 1742 | } |
| 1743 | fe->drawing_area_shrink_pending = TRUE; |
| 1744 | try_shrink_drawing_area(fe); |
| 1745 | } |
| 1746 | |
| 1747 | static void menu_preset_event(GtkMenuItem *menuitem, gpointer data) |
| 1748 | { |
| 1749 | frontend *fe = (frontend *)data; |
| 1750 | game_params *params = |
| 1751 | (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data"); |
| 1752 | |
| 1753 | if (fe->preset_threaded || |
| 1754 | (GTK_IS_CHECK_MENU_ITEM(menuitem) && |
| 1755 | !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem)))) |
| 1756 | return; |
| 1757 | midend_set_params(fe->me, params); |
| 1758 | midend_new_game(fe->me); |
| 1759 | changed_preset(fe); |
| 1760 | resize_fe(fe); |
| 1761 | } |
| 1762 | |
| 1763 | GdkAtom compound_text_atom, utf8_string_atom; |
| 1764 | int paste_initialised = FALSE; |
| 1765 | |
| 1766 | static void set_selection(frontend *fe, GdkAtom selection) |
| 1767 | { |
| 1768 | if (!paste_initialised) { |
| 1769 | compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE); |
| 1770 | utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE); |
| 1771 | paste_initialised = TRUE; |
| 1772 | } |
| 1773 | |
| 1774 | /* |
| 1775 | * For this simple application we can safely assume that the |
| 1776 | * data passed to this function is pure ASCII, which means we |
| 1777 | * can return precisely the same stuff for types STRING, |
| 1778 | * COMPOUND_TEXT or UTF8_STRING. |
| 1779 | */ |
| 1780 | |
| 1781 | if (gtk_selection_owner_set(fe->area, selection, CurrentTime)) { |
| 1782 | gtk_selection_clear_targets(fe->area, selection); |
| 1783 | gtk_selection_add_target(fe->area, selection, |
| 1784 | GDK_SELECTION_TYPE_STRING, 1); |
| 1785 | gtk_selection_add_target(fe->area, selection, compound_text_atom, 1); |
| 1786 | gtk_selection_add_target(fe->area, selection, utf8_string_atom, 1); |
| 1787 | } |
| 1788 | } |
| 1789 | |
| 1790 | void write_clip(frontend *fe, char *data) |
| 1791 | { |
| 1792 | if (fe->paste_data) |
| 1793 | sfree(fe->paste_data); |
| 1794 | |
| 1795 | fe->paste_data = data; |
| 1796 | fe->paste_data_len = strlen(data); |
| 1797 | |
| 1798 | set_selection(fe, GDK_SELECTION_PRIMARY); |
| 1799 | set_selection(fe, GDK_SELECTION_CLIPBOARD); |
| 1800 | } |
| 1801 | |
| 1802 | void selection_get(GtkWidget *widget, GtkSelectionData *seldata, |
| 1803 | guint info, guint time_stamp, gpointer data) |
| 1804 | { |
| 1805 | frontend *fe = (frontend *)data; |
| 1806 | gtk_selection_data_set(seldata, seldata->target, 8, |
| 1807 | fe->paste_data, fe->paste_data_len); |
| 1808 | } |
| 1809 | |
| 1810 | gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata, |
| 1811 | gpointer data) |
| 1812 | { |
| 1813 | frontend *fe = (frontend *)data; |
| 1814 | |
| 1815 | if (fe->paste_data) |
| 1816 | sfree(fe->paste_data); |
| 1817 | fe->paste_data = NULL; |
| 1818 | fe->paste_data_len = 0; |
| 1819 | return TRUE; |
| 1820 | } |
| 1821 | |
| 1822 | static void menu_copy_event(GtkMenuItem *menuitem, gpointer data) |
| 1823 | { |
| 1824 | frontend *fe = (frontend *)data; |
| 1825 | char *text; |
| 1826 | |
| 1827 | text = midend_text_format(fe->me); |
| 1828 | |
| 1829 | if (text) { |
| 1830 | write_clip(fe, text); |
| 1831 | } else { |
| 1832 | gdk_beep(); |
| 1833 | } |
| 1834 | } |
| 1835 | |
| 1836 | #ifdef OLD_FILESEL |
| 1837 | |
| 1838 | static void filesel_ok(GtkButton *button, gpointer data) |
| 1839 | { |
| 1840 | frontend *fe = (frontend *)data; |
| 1841 | |
| 1842 | gpointer filesel = gtk_object_get_data(GTK_OBJECT(button), "user-data"); |
| 1843 | |
| 1844 | const char *name = |
| 1845 | gtk_file_selection_get_filename(GTK_FILE_SELECTION(filesel)); |
| 1846 | |
| 1847 | fe->filesel_name = dupstr(name); |
| 1848 | } |
| 1849 | |
| 1850 | static char *file_selector(frontend *fe, char *title, int save) |
| 1851 | { |
| 1852 | GtkWidget *filesel = |
| 1853 | gtk_file_selection_new(title); |
| 1854 | |
| 1855 | fe->filesel_name = NULL; |
| 1856 | |
| 1857 | gtk_window_set_modal(GTK_WINDOW(filesel), TRUE); |
| 1858 | gtk_object_set_data |
| 1859 | (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "user-data", |
| 1860 | (gpointer)filesel); |
| 1861 | gtk_signal_connect |
| 1862 | (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked", |
| 1863 | GTK_SIGNAL_FUNC(filesel_ok), fe); |
| 1864 | gtk_signal_connect_object |
| 1865 | (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->ok_button), "clicked", |
| 1866 | GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel); |
| 1867 | gtk_signal_connect_object |
| 1868 | (GTK_OBJECT(GTK_FILE_SELECTION(filesel)->cancel_button), "clicked", |
| 1869 | GTK_SIGNAL_FUNC(gtk_widget_destroy), (gpointer)filesel); |
| 1870 | gtk_signal_connect(GTK_OBJECT(filesel), "destroy", |
| 1871 | GTK_SIGNAL_FUNC(window_destroy), NULL); |
| 1872 | gtk_widget_show(filesel); |
| 1873 | gtk_window_set_transient_for(GTK_WINDOW(filesel), GTK_WINDOW(fe->window)); |
| 1874 | gtk_main(); |
| 1875 | |
| 1876 | return fe->filesel_name; |
| 1877 | } |
| 1878 | |
| 1879 | #else |
| 1880 | |
| 1881 | static char *file_selector(frontend *fe, char *title, int save) |
| 1882 | { |
| 1883 | char *filesel_name = NULL; |
| 1884 | |
| 1885 | GtkWidget *filesel = |
| 1886 | gtk_file_chooser_dialog_new(title, |
| 1887 | GTK_WINDOW(fe->window), |
| 1888 | save ? GTK_FILE_CHOOSER_ACTION_SAVE : |
| 1889 | GTK_FILE_CHOOSER_ACTION_OPEN, |
| 1890 | GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, |
| 1891 | save ? GTK_STOCK_SAVE : GTK_STOCK_OPEN, |
| 1892 | GTK_RESPONSE_ACCEPT, |
| 1893 | NULL); |
| 1894 | |
| 1895 | if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) { |
| 1896 | const char *name = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel)); |
| 1897 | filesel_name = dupstr(name); |
| 1898 | } |
| 1899 | |
| 1900 | gtk_widget_destroy(filesel); |
| 1901 | |
| 1902 | return filesel_name; |
| 1903 | } |
| 1904 | |
| 1905 | #endif |
| 1906 | |
| 1907 | struct savefile_write_ctx { |
| 1908 | FILE *fp; |
| 1909 | int error; |
| 1910 | }; |
| 1911 | |
| 1912 | static void savefile_write(void *wctx, void *buf, int len) |
| 1913 | { |
| 1914 | struct savefile_write_ctx *ctx = (struct savefile_write_ctx *)wctx; |
| 1915 | if (fwrite(buf, 1, len, ctx->fp) < len) |
| 1916 | ctx->error = errno; |
| 1917 | } |
| 1918 | |
| 1919 | static int savefile_read(void *wctx, void *buf, int len) |
| 1920 | { |
| 1921 | FILE *fp = (FILE *)wctx; |
| 1922 | int ret; |
| 1923 | |
| 1924 | ret = fread(buf, 1, len, fp); |
| 1925 | return (ret == len); |
| 1926 | } |
| 1927 | |
| 1928 | static void menu_save_event(GtkMenuItem *menuitem, gpointer data) |
| 1929 | { |
| 1930 | frontend *fe = (frontend *)data; |
| 1931 | char *name; |
| 1932 | |
| 1933 | name = file_selector(fe, "Enter name of game file to save", TRUE); |
| 1934 | |
| 1935 | if (name) { |
| 1936 | FILE *fp; |
| 1937 | |
| 1938 | if ((fp = fopen(name, "r")) != NULL) { |
| 1939 | char buf[256 + FILENAME_MAX]; |
| 1940 | fclose(fp); |
| 1941 | /* file exists */ |
| 1942 | |
| 1943 | sprintf(buf, "Are you sure you want to overwrite the" |
| 1944 | " file \"%.*s\"?", |
| 1945 | FILENAME_MAX, name); |
| 1946 | if (!message_box(fe->window, "Question", buf, TRUE, MB_YESNO)) |
| 1947 | return; |
| 1948 | } |
| 1949 | |
| 1950 | fp = fopen(name, "w"); |
| 1951 | sfree(name); |
| 1952 | |
| 1953 | if (!fp) { |
| 1954 | error_box(fe->window, "Unable to open save file"); |
| 1955 | return; |
| 1956 | } |
| 1957 | |
| 1958 | { |
| 1959 | struct savefile_write_ctx ctx; |
| 1960 | ctx.fp = fp; |
| 1961 | ctx.error = 0; |
| 1962 | midend_serialise(fe->me, savefile_write, &ctx); |
| 1963 | fclose(fp); |
| 1964 | if (ctx.error) { |
| 1965 | char boxmsg[512]; |
| 1966 | sprintf(boxmsg, "Error writing save file: %.400s", |
| 1967 | strerror(errno)); |
| 1968 | error_box(fe->window, boxmsg); |
| 1969 | return; |
| 1970 | } |
| 1971 | } |
| 1972 | |
| 1973 | } |
| 1974 | } |
| 1975 | |
| 1976 | static void menu_load_event(GtkMenuItem *menuitem, gpointer data) |
| 1977 | { |
| 1978 | frontend *fe = (frontend *)data; |
| 1979 | char *name, *err; |
| 1980 | |
| 1981 | name = file_selector(fe, "Enter name of saved game file to load", FALSE); |
| 1982 | |
| 1983 | if (name) { |
| 1984 | FILE *fp = fopen(name, "r"); |
| 1985 | sfree(name); |
| 1986 | |
| 1987 | if (!fp) { |
| 1988 | error_box(fe->window, "Unable to open saved game file"); |
| 1989 | return; |
| 1990 | } |
| 1991 | |
| 1992 | err = midend_deserialise(fe->me, savefile_read, fp); |
| 1993 | |
| 1994 | fclose(fp); |
| 1995 | |
| 1996 | if (err) { |
| 1997 | error_box(fe->window, err); |
| 1998 | return; |
| 1999 | } |
| 2000 | |
| 2001 | changed_preset(fe); |
| 2002 | resize_fe(fe); |
| 2003 | } |
| 2004 | } |
| 2005 | |
| 2006 | static void menu_solve_event(GtkMenuItem *menuitem, gpointer data) |
| 2007 | { |
| 2008 | frontend *fe = (frontend *)data; |
| 2009 | char *msg; |
| 2010 | |
| 2011 | msg = midend_solve(fe->me); |
| 2012 | |
| 2013 | if (msg) |
| 2014 | error_box(fe->window, msg); |
| 2015 | } |
| 2016 | |
| 2017 | static void menu_restart_event(GtkMenuItem *menuitem, gpointer data) |
| 2018 | { |
| 2019 | frontend *fe = (frontend *)data; |
| 2020 | |
| 2021 | midend_restart_game(fe->me); |
| 2022 | } |
| 2023 | |
| 2024 | static void menu_config_event(GtkMenuItem *menuitem, gpointer data) |
| 2025 | { |
| 2026 | frontend *fe = (frontend *)data; |
| 2027 | int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem), |
| 2028 | "user-data")); |
| 2029 | |
| 2030 | if (fe->preset_threaded || |
| 2031 | (GTK_IS_CHECK_MENU_ITEM(menuitem) && |
| 2032 | !gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menuitem)))) |
| 2033 | return; |
| 2034 | changed_preset(fe); /* Put the old preset back! */ |
| 2035 | if (!get_config(fe, which)) |
| 2036 | return; |
| 2037 | |
| 2038 | midend_new_game(fe->me); |
| 2039 | resize_fe(fe); |
| 2040 | } |
| 2041 | |
| 2042 | static void menu_about_event(GtkMenuItem *menuitem, gpointer data) |
| 2043 | { |
| 2044 | frontend *fe = (frontend *)data; |
| 2045 | char titlebuf[256]; |
| 2046 | char textbuf[1024]; |
| 2047 | |
| 2048 | sprintf(titlebuf, "About %.200s", thegame.name); |
| 2049 | sprintf(textbuf, |
| 2050 | "%.200s\n\n" |
| 2051 | "from Simon Tatham's Portable Puzzle Collection\n\n" |
| 2052 | "%.500s", thegame.name, ver); |
| 2053 | |
| 2054 | message_box(fe->window, titlebuf, textbuf, TRUE, MB_OK); |
| 2055 | } |
| 2056 | |
| 2057 | static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont, |
| 2058 | char *text, int key) |
| 2059 | { |
| 2060 | GtkWidget *menuitem = gtk_menu_item_new_with_label(text); |
| 2061 | int keyqual; |
| 2062 | gtk_container_add(cont, menuitem); |
| 2063 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 2064 | GINT_TO_POINTER(key)); |
| 2065 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2066 | GTK_SIGNAL_FUNC(menu_key_event), fe); |
| 2067 | switch (key & ~0x1F) { |
| 2068 | case 0x00: |
| 2069 | key += 0x60; |
| 2070 | keyqual = GDK_CONTROL_MASK; |
| 2071 | break; |
| 2072 | case 0x40: |
| 2073 | key += 0x20; |
| 2074 | keyqual = GDK_SHIFT_MASK; |
| 2075 | break; |
| 2076 | default: |
| 2077 | keyqual = 0; |
| 2078 | break; |
| 2079 | } |
| 2080 | gtk_widget_add_accelerator(menuitem, |
| 2081 | "activate", fe->accelgroup, |
| 2082 | key, keyqual, |
| 2083 | GTK_ACCEL_VISIBLE); |
| 2084 | gtk_widget_show(menuitem); |
| 2085 | return menuitem; |
| 2086 | } |
| 2087 | |
| 2088 | static void add_menu_separator(GtkContainer *cont) |
| 2089 | { |
| 2090 | GtkWidget *menuitem = gtk_menu_item_new(); |
| 2091 | gtk_container_add(cont, menuitem); |
| 2092 | gtk_widget_show(menuitem); |
| 2093 | } |
| 2094 | |
| 2095 | enum { ARG_EITHER, ARG_SAVE, ARG_ID }; /* for argtype */ |
| 2096 | |
| 2097 | static frontend *new_window(char *arg, int argtype, char **error) |
| 2098 | { |
| 2099 | frontend *fe; |
| 2100 | GtkBox *vbox, *hbox; |
| 2101 | GtkWidget *menu, *menuitem; |
| 2102 | GdkPixmap *iconpm; |
| 2103 | GList *iconlist; |
| 2104 | int x, y, n; |
| 2105 | char errbuf[1024]; |
| 2106 | extern char *const *const xpm_icons[]; |
| 2107 | extern const int n_xpm_icons; |
| 2108 | |
| 2109 | fe = snew(frontend); |
| 2110 | |
| 2111 | fe->timer_active = FALSE; |
| 2112 | fe->timer_id = -1; |
| 2113 | |
| 2114 | fe->me = midend_new(fe, &thegame, >k_drawing, fe); |
| 2115 | |
| 2116 | if (arg) { |
| 2117 | char *err; |
| 2118 | FILE *fp; |
| 2119 | |
| 2120 | errbuf[0] = '\0'; |
| 2121 | |
| 2122 | switch (argtype) { |
| 2123 | case ARG_ID: |
| 2124 | err = midend_game_id(fe->me, arg); |
| 2125 | if (!err) |
| 2126 | midend_new_game(fe->me); |
| 2127 | else |
| 2128 | sprintf(errbuf, "Invalid game ID: %.800s", err); |
| 2129 | break; |
| 2130 | case ARG_SAVE: |
| 2131 | fp = fopen(arg, "r"); |
| 2132 | if (!fp) { |
| 2133 | sprintf(errbuf, "Error opening file: %.800s", strerror(errno)); |
| 2134 | } else { |
| 2135 | err = midend_deserialise(fe->me, savefile_read, fp); |
| 2136 | if (err) |
| 2137 | sprintf(errbuf, "Invalid save file: %.800s", err); |
| 2138 | fclose(fp); |
| 2139 | } |
| 2140 | break; |
| 2141 | default /*case ARG_EITHER*/: |
| 2142 | /* |
| 2143 | * First try treating the argument as a game ID. |
| 2144 | */ |
| 2145 | err = midend_game_id(fe->me, arg); |
| 2146 | if (!err) { |
| 2147 | /* |
| 2148 | * It's a valid game ID. |
| 2149 | */ |
| 2150 | midend_new_game(fe->me); |
| 2151 | } else { |
| 2152 | FILE *fp = fopen(arg, "r"); |
| 2153 | if (!fp) { |
| 2154 | sprintf(errbuf, "Supplied argument is neither a game ID (%.400s)" |
| 2155 | " nor a save file (%.400s)", err, strerror(errno)); |
| 2156 | } else { |
| 2157 | err = midend_deserialise(fe->me, savefile_read, fp); |
| 2158 | if (err) |
| 2159 | sprintf(errbuf, "%.800s", err); |
| 2160 | fclose(fp); |
| 2161 | } |
| 2162 | } |
| 2163 | break; |
| 2164 | } |
| 2165 | if (*errbuf) { |
| 2166 | *error = dupstr(errbuf); |
| 2167 | midend_free(fe->me); |
| 2168 | sfree(fe); |
| 2169 | return NULL; |
| 2170 | } |
| 2171 | |
| 2172 | } else { |
| 2173 | midend_new_game(fe->me); |
| 2174 | } |
| 2175 | |
| 2176 | fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 2177 | gtk_window_set_title(GTK_WINDOW(fe->window), thegame.name); |
| 2178 | |
| 2179 | vbox = GTK_BOX(gtk_vbox_new(FALSE, 0)); |
| 2180 | gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox)); |
| 2181 | gtk_widget_show(GTK_WIDGET(vbox)); |
| 2182 | |
| 2183 | fe->accelgroup = gtk_accel_group_new(); |
| 2184 | gtk_window_add_accel_group(GTK_WINDOW(fe->window), fe->accelgroup); |
| 2185 | |
| 2186 | hbox = GTK_BOX(gtk_hbox_new(FALSE, 0)); |
| 2187 | gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0); |
| 2188 | gtk_widget_show(GTK_WIDGET(hbox)); |
| 2189 | |
| 2190 | fe->menubar = gtk_menu_bar_new(); |
| 2191 | gtk_box_pack_start(hbox, fe->menubar, TRUE, TRUE, 0); |
| 2192 | gtk_widget_show(fe->menubar); |
| 2193 | |
| 2194 | menuitem = gtk_menu_item_new_with_mnemonic("_Game"); |
| 2195 | gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem); |
| 2196 | gtk_widget_show(menuitem); |
| 2197 | |
| 2198 | menu = gtk_menu_new(); |
| 2199 | gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu); |
| 2200 | |
| 2201 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n'); |
| 2202 | |
| 2203 | menuitem = gtk_menu_item_new_with_label("Restart"); |
| 2204 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 2205 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2206 | GTK_SIGNAL_FUNC(menu_restart_event), fe); |
| 2207 | gtk_widget_show(menuitem); |
| 2208 | |
| 2209 | menuitem = gtk_menu_item_new_with_label("Specific..."); |
| 2210 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 2211 | GINT_TO_POINTER(CFG_DESC)); |
| 2212 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 2213 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2214 | GTK_SIGNAL_FUNC(menu_config_event), fe); |
| 2215 | gtk_widget_show(menuitem); |
| 2216 | |
| 2217 | menuitem = gtk_menu_item_new_with_label("Random Seed..."); |
| 2218 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 2219 | GINT_TO_POINTER(CFG_SEED)); |
| 2220 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 2221 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2222 | GTK_SIGNAL_FUNC(menu_config_event), fe); |
| 2223 | gtk_widget_show(menuitem); |
| 2224 | |
| 2225 | fe->preset_radio = NULL; |
| 2226 | fe->preset_custom = NULL; |
| 2227 | fe->n_preset_menu_items = 0; |
| 2228 | fe->preset_threaded = FALSE; |
| 2229 | if ((n = midend_num_presets(fe->me)) > 0 || thegame.can_configure) { |
| 2230 | GtkWidget *submenu; |
| 2231 | int i; |
| 2232 | |
| 2233 | menuitem = gtk_menu_item_new_with_mnemonic("_Type"); |
| 2234 | gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem); |
| 2235 | gtk_widget_show(menuitem); |
| 2236 | |
| 2237 | submenu = gtk_menu_new(); |
| 2238 | gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu); |
| 2239 | |
| 2240 | for (i = 0; i < n; i++) { |
| 2241 | char *name; |
| 2242 | game_params *params; |
| 2243 | |
| 2244 | midend_fetch_preset(fe->me, i, &name, ¶ms); |
| 2245 | |
| 2246 | menuitem = |
| 2247 | gtk_radio_menu_item_new_with_label(fe->preset_radio, name); |
| 2248 | fe->preset_radio = |
| 2249 | gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem)); |
| 2250 | fe->n_preset_menu_items++; |
| 2251 | gtk_container_add(GTK_CONTAINER(submenu), menuitem); |
| 2252 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params); |
| 2253 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2254 | GTK_SIGNAL_FUNC(menu_preset_event), fe); |
| 2255 | gtk_widget_show(menuitem); |
| 2256 | } |
| 2257 | |
| 2258 | if (thegame.can_configure) { |
| 2259 | menuitem = fe->preset_custom = |
| 2260 | gtk_radio_menu_item_new_with_label(fe->preset_radio, |
| 2261 | "Custom..."); |
| 2262 | fe->preset_radio = |
| 2263 | gtk_radio_menu_item_group(GTK_RADIO_MENU_ITEM(menuitem)); |
| 2264 | gtk_container_add(GTK_CONTAINER(submenu), menuitem); |
| 2265 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 2266 | GPOINTER_TO_INT(CFG_SETTINGS)); |
| 2267 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2268 | GTK_SIGNAL_FUNC(menu_config_event), fe); |
| 2269 | gtk_widget_show(menuitem); |
| 2270 | } |
| 2271 | |
| 2272 | } |
| 2273 | |
| 2274 | add_menu_separator(GTK_CONTAINER(menu)); |
| 2275 | menuitem = gtk_menu_item_new_with_label("Load..."); |
| 2276 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 2277 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2278 | GTK_SIGNAL_FUNC(menu_load_event), fe); |
| 2279 | gtk_widget_show(menuitem); |
| 2280 | menuitem = gtk_menu_item_new_with_label("Save..."); |
| 2281 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 2282 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2283 | GTK_SIGNAL_FUNC(menu_save_event), fe); |
| 2284 | gtk_widget_show(menuitem); |
| 2285 | #ifndef STYLUS_BASED |
| 2286 | add_menu_separator(GTK_CONTAINER(menu)); |
| 2287 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u'); |
| 2288 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", 'r'); |
| 2289 | #endif |
| 2290 | if (thegame.can_format_as_text_ever) { |
| 2291 | add_menu_separator(GTK_CONTAINER(menu)); |
| 2292 | menuitem = gtk_menu_item_new_with_label("Copy"); |
| 2293 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 2294 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2295 | GTK_SIGNAL_FUNC(menu_copy_event), fe); |
| 2296 | gtk_widget_show(menuitem); |
| 2297 | fe->copy_menu_item = menuitem; |
| 2298 | } else { |
| 2299 | fe->copy_menu_item = NULL; |
| 2300 | } |
| 2301 | if (thegame.can_solve) { |
| 2302 | add_menu_separator(GTK_CONTAINER(menu)); |
| 2303 | menuitem = gtk_menu_item_new_with_label("Solve"); |
| 2304 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 2305 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2306 | GTK_SIGNAL_FUNC(menu_solve_event), fe); |
| 2307 | gtk_widget_show(menuitem); |
| 2308 | } |
| 2309 | add_menu_separator(GTK_CONTAINER(menu)); |
| 2310 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q'); |
| 2311 | |
| 2312 | menuitem = gtk_menu_item_new_with_mnemonic("_Help"); |
| 2313 | gtk_container_add(GTK_CONTAINER(fe->menubar), menuitem); |
| 2314 | gtk_widget_show(menuitem); |
| 2315 | |
| 2316 | menu = gtk_menu_new(); |
| 2317 | gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu); |
| 2318 | |
| 2319 | menuitem = gtk_menu_item_new_with_label("About"); |
| 2320 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 2321 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 2322 | GTK_SIGNAL_FUNC(menu_about_event), fe); |
| 2323 | gtk_widget_show(menuitem); |
| 2324 | |
| 2325 | #ifdef STYLUS_BASED |
| 2326 | menuitem=gtk_button_new_with_mnemonic("_Redo"); |
| 2327 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 2328 | GINT_TO_POINTER((int)('r'))); |
| 2329 | gtk_signal_connect(GTK_OBJECT(menuitem), "clicked", |
| 2330 | GTK_SIGNAL_FUNC(menu_key_event), fe); |
| 2331 | gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0); |
| 2332 | gtk_widget_show(menuitem); |
| 2333 | |
| 2334 | menuitem=gtk_button_new_with_mnemonic("_Undo"); |
| 2335 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 2336 | GINT_TO_POINTER((int)('u'))); |
| 2337 | gtk_signal_connect(GTK_OBJECT(menuitem), "clicked", |
| 2338 | GTK_SIGNAL_FUNC(menu_key_event), fe); |
| 2339 | gtk_box_pack_end(hbox, menuitem, FALSE, FALSE, 0); |
| 2340 | gtk_widget_show(menuitem); |
| 2341 | |
| 2342 | if (thegame.flags & REQUIRE_NUMPAD) { |
| 2343 | hbox = GTK_BOX(gtk_hbox_new(FALSE, 0)); |
| 2344 | gtk_box_pack_start(vbox, GTK_WIDGET(hbox), FALSE, FALSE, 0); |
| 2345 | gtk_widget_show(GTK_WIDGET(hbox)); |
| 2346 | |
| 2347 | *((int*)errbuf)=0; |
| 2348 | errbuf[1]='\0'; |
| 2349 | for(errbuf[0]='0';errbuf[0]<='9';errbuf[0]++) { |
| 2350 | menuitem=gtk_button_new_with_label(errbuf); |
| 2351 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 2352 | GINT_TO_POINTER((int)(errbuf[0]))); |
| 2353 | gtk_signal_connect(GTK_OBJECT(menuitem), "clicked", |
| 2354 | GTK_SIGNAL_FUNC(menu_key_event), fe); |
| 2355 | gtk_box_pack_start(hbox, menuitem, TRUE, TRUE, 0); |
| 2356 | gtk_widget_show(menuitem); |
| 2357 | } |
| 2358 | } |
| 2359 | #endif /* STYLUS_BASED */ |
| 2360 | |
| 2361 | changed_preset(fe); |
| 2362 | |
| 2363 | snaffle_colours(fe); |
| 2364 | |
| 2365 | if (midend_wants_statusbar(fe->me)) { |
| 2366 | GtkWidget *viewport; |
| 2367 | GtkRequisition req; |
| 2368 | |
| 2369 | viewport = gtk_viewport_new(NULL, NULL); |
| 2370 | gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE); |
| 2371 | fe->statusbar = gtk_statusbar_new(); |
| 2372 | gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar); |
| 2373 | gtk_widget_show(viewport); |
| 2374 | gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0); |
| 2375 | gtk_widget_show(fe->statusbar); |
| 2376 | fe->statusctx = gtk_statusbar_get_context_id |
| 2377 | (GTK_STATUSBAR(fe->statusbar), "game"); |
| 2378 | gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, |
| 2379 | "test"); |
| 2380 | gtk_widget_size_request(fe->statusbar, &req); |
| 2381 | #if 0 |
| 2382 | /* For GTK 2.0, should we be using gtk_widget_set_size_request? */ |
| 2383 | #endif |
| 2384 | gtk_widget_set_usize(viewport, -1, req.height); |
| 2385 | } else |
| 2386 | fe->statusbar = NULL; |
| 2387 | |
| 2388 | fe->area = gtk_drawing_area_new(); |
| 2389 | #if GTK_CHECK_VERSION(2,0,0) |
| 2390 | GTK_WIDGET_UNSET_FLAGS(fe->area, GTK_DOUBLE_BUFFERED); |
| 2391 | #endif |
| 2392 | get_size(fe, &x, &y); |
| 2393 | fe->drawing_area_shrink_pending = FALSE; |
| 2394 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); |
| 2395 | fe->w = x; |
| 2396 | fe->h = y; |
| 2397 | |
| 2398 | gtk_box_pack_end(vbox, fe->area, TRUE, TRUE, 0); |
| 2399 | |
| 2400 | clear_backing_store(fe); |
| 2401 | fe->fonts = NULL; |
| 2402 | fe->nfonts = fe->fontsize = 0; |
| 2403 | |
| 2404 | fe->paste_data = NULL; |
| 2405 | fe->paste_data_len = 0; |
| 2406 | |
| 2407 | gtk_signal_connect(GTK_OBJECT(fe->window), "destroy", |
| 2408 | GTK_SIGNAL_FUNC(destroy), fe); |
| 2409 | gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event", |
| 2410 | GTK_SIGNAL_FUNC(key_event), fe); |
| 2411 | gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event", |
| 2412 | GTK_SIGNAL_FUNC(button_event), fe); |
| 2413 | gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event", |
| 2414 | GTK_SIGNAL_FUNC(button_event), fe); |
| 2415 | gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event", |
| 2416 | GTK_SIGNAL_FUNC(motion_event), fe); |
| 2417 | gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get", |
| 2418 | GTK_SIGNAL_FUNC(selection_get), fe); |
| 2419 | gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event", |
| 2420 | GTK_SIGNAL_FUNC(selection_clear), fe); |
| 2421 | gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event", |
| 2422 | GTK_SIGNAL_FUNC(expose_area), fe); |
| 2423 | gtk_signal_connect(GTK_OBJECT(fe->window), "map_event", |
| 2424 | GTK_SIGNAL_FUNC(map_window), fe); |
| 2425 | gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event", |
| 2426 | GTK_SIGNAL_FUNC(configure_area), fe); |
| 2427 | gtk_signal_connect(GTK_OBJECT(fe->window), "configure_event", |
| 2428 | GTK_SIGNAL_FUNC(configure_window), fe); |
| 2429 | |
| 2430 | gtk_widget_add_events(GTK_WIDGET(fe->area), |
| 2431 | GDK_BUTTON_PRESS_MASK | |
| 2432 | GDK_BUTTON_RELEASE_MASK | |
| 2433 | GDK_BUTTON_MOTION_MASK | |
| 2434 | GDK_POINTER_MOTION_HINT_MASK); |
| 2435 | |
| 2436 | if (n_xpm_icons) { |
| 2437 | gtk_widget_realize(fe->window); |
| 2438 | iconpm = gdk_pixmap_create_from_xpm_d(fe->window->window, NULL, |
| 2439 | NULL, (gchar **)xpm_icons[0]); |
| 2440 | gdk_window_set_icon(fe->window->window, NULL, iconpm, NULL); |
| 2441 | iconlist = NULL; |
| 2442 | for (n = 0; n < n_xpm_icons; n++) { |
| 2443 | iconlist = |
| 2444 | g_list_append(iconlist, |
| 2445 | gdk_pixbuf_new_from_xpm_data((const gchar **) |
| 2446 | xpm_icons[n])); |
| 2447 | } |
| 2448 | gdk_window_set_icon_list(fe->window->window, iconlist); |
| 2449 | } |
| 2450 | |
| 2451 | gtk_widget_show(fe->area); |
| 2452 | gtk_widget_show(fe->window); |
| 2453 | |
| 2454 | fe->drawing_area_shrink_pending = TRUE; |
| 2455 | try_shrink_drawing_area(fe); |
| 2456 | set_window_background(fe, 0); |
| 2457 | |
| 2458 | return fe; |
| 2459 | } |
| 2460 | |
| 2461 | char *fgetline(FILE *fp) |
| 2462 | { |
| 2463 | char *ret = snewn(512, char); |
| 2464 | int size = 512, len = 0; |
| 2465 | while (fgets(ret + len, size - len, fp)) { |
| 2466 | len += strlen(ret + len); |
| 2467 | if (ret[len-1] == '\n') |
| 2468 | break; /* got a newline, we're done */ |
| 2469 | size = len + 512; |
| 2470 | ret = sresize(ret, size, char); |
| 2471 | } |
| 2472 | if (len == 0) { /* first fgets returned NULL */ |
| 2473 | sfree(ret); |
| 2474 | return NULL; |
| 2475 | } |
| 2476 | ret[len] = '\0'; |
| 2477 | return ret; |
| 2478 | } |
| 2479 | |
| 2480 | int main(int argc, char **argv) |
| 2481 | { |
| 2482 | char *pname = argv[0]; |
| 2483 | char *error; |
| 2484 | int ngenerate = 0, print = FALSE, px = 1, py = 1; |
| 2485 | int soln = FALSE, colour = FALSE; |
| 2486 | float scale = 1.0F; |
| 2487 | float redo_proportion = 0.0F; |
| 2488 | char *savefile = NULL, *savesuffix = NULL; |
| 2489 | char *arg = NULL; |
| 2490 | int argtype = ARG_EITHER; |
| 2491 | char *screenshot_file = NULL; |
| 2492 | int doing_opts = TRUE; |
| 2493 | int ac = argc; |
| 2494 | char **av = argv; |
| 2495 | char errbuf[500]; |
| 2496 | |
| 2497 | /* |
| 2498 | * Command line parsing in this function is rather fiddly, |
| 2499 | * because GTK wants to have a go at argc/argv _first_ - and |
| 2500 | * yet we can't let it, because gtk_init() will bomb out if it |
| 2501 | * can't open an X display, whereas in fact we want to permit |
| 2502 | * our --generate and --print modes to run without an X |
| 2503 | * display. |
| 2504 | * |
| 2505 | * So what we do is: |
| 2506 | * - we parse the command line ourselves, without modifying |
| 2507 | * argc/argv |
| 2508 | * - if we encounter an error which might plausibly be the |
| 2509 | * result of a GTK command line (i.e. not detailed errors in |
| 2510 | * particular options of ours) we store the error message |
| 2511 | * and terminate parsing. |
| 2512 | * - if we got enough out of the command line to know it |
| 2513 | * specifies a non-X mode of operation, we either display |
| 2514 | * the stored error and return failure, or if there is no |
| 2515 | * stored error we do the non-X operation and return |
| 2516 | * success. |
| 2517 | * - otherwise, we go straight to gtk_init(). |
| 2518 | */ |
| 2519 | |
| 2520 | errbuf[0] = '\0'; |
| 2521 | while (--ac > 0) { |
| 2522 | char *p = *++av; |
| 2523 | if (doing_opts && !strcmp(p, "--version")) { |
| 2524 | printf("%s, from Simon Tatham's Portable Puzzle Collection\n%s\n", |
| 2525 | thegame.name, ver); |
| 2526 | return 0; |
| 2527 | } else if (doing_opts && !strcmp(p, "--generate")) { |
| 2528 | if (--ac > 0) { |
| 2529 | ngenerate = atoi(*++av); |
| 2530 | if (!ngenerate) { |
| 2531 | fprintf(stderr, "%s: '--generate' expected a number\n", |
| 2532 | pname); |
| 2533 | return 1; |
| 2534 | } |
| 2535 | } else |
| 2536 | ngenerate = 1; |
| 2537 | } else if (doing_opts && !strcmp(p, "--save")) { |
| 2538 | if (--ac > 0) { |
| 2539 | savefile = *++av; |
| 2540 | } else { |
| 2541 | fprintf(stderr, "%s: '--save' expected a filename\n", |
| 2542 | pname); |
| 2543 | return 1; |
| 2544 | } |
| 2545 | } else if (doing_opts && (!strcmp(p, "--save-suffix") || |
| 2546 | !strcmp(p, "--savesuffix"))) { |
| 2547 | if (--ac > 0) { |
| 2548 | savesuffix = *++av; |
| 2549 | } else { |
| 2550 | fprintf(stderr, "%s: '--save-suffix' expected a filename\n", |
| 2551 | pname); |
| 2552 | return 1; |
| 2553 | } |
| 2554 | } else if (doing_opts && !strcmp(p, "--print")) { |
| 2555 | if (!thegame.can_print) { |
| 2556 | fprintf(stderr, "%s: this game does not support printing\n", |
| 2557 | pname); |
| 2558 | return 1; |
| 2559 | } |
| 2560 | print = TRUE; |
| 2561 | if (--ac > 0) { |
| 2562 | char *dim = *++av; |
| 2563 | if (sscanf(dim, "%dx%d", &px, &py) != 2) { |
| 2564 | fprintf(stderr, "%s: unable to parse argument '%s' to " |
| 2565 | "'--print'\n", pname, dim); |
| 2566 | return 1; |
| 2567 | } |
| 2568 | } else { |
| 2569 | px = py = 1; |
| 2570 | } |
| 2571 | } else if (doing_opts && !strcmp(p, "--scale")) { |
| 2572 | if (--ac > 0) { |
| 2573 | scale = atof(*++av); |
| 2574 | } else { |
| 2575 | fprintf(stderr, "%s: no argument supplied to '--scale'\n", |
| 2576 | pname); |
| 2577 | return 1; |
| 2578 | } |
| 2579 | } else if (doing_opts && !strcmp(p, "--redo")) { |
| 2580 | /* |
| 2581 | * This is an internal option which I don't expect |
| 2582 | * users to have any particular use for. The effect of |
| 2583 | * --redo is that once the game has been loaded and |
| 2584 | * initialised, the next move in the redo chain is |
| 2585 | * replayed, and the game screen is redrawn part way |
| 2586 | * through the making of the move. This is only |
| 2587 | * meaningful if there _is_ a next move in the redo |
| 2588 | * chain, which means in turn that this option is only |
| 2589 | * useful if you're also passing a save file on the |
| 2590 | * command line. |
| 2591 | * |
| 2592 | * This option is used by the script which generates |
| 2593 | * the puzzle icons and website screenshots, and I |
| 2594 | * don't imagine it's useful for anything else. |
| 2595 | * (Unless, I suppose, users don't like my screenshots |
| 2596 | * and want to generate their own in the same way for |
| 2597 | * some repackaged version of the puzzles.) |
| 2598 | */ |
| 2599 | if (--ac > 0) { |
| 2600 | redo_proportion = atof(*++av); |
| 2601 | } else { |
| 2602 | fprintf(stderr, "%s: no argument supplied to '--redo'\n", |
| 2603 | pname); |
| 2604 | return 1; |
| 2605 | } |
| 2606 | } else if (doing_opts && !strcmp(p, "--screenshot")) { |
| 2607 | /* |
| 2608 | * Another internal option for the icon building |
| 2609 | * script. This causes a screenshot of the central |
| 2610 | * drawing area (i.e. not including the menu bar or |
| 2611 | * status bar) to be saved to a PNG file once the |
| 2612 | * window has been drawn, and then the application |
| 2613 | * quits immediately. |
| 2614 | */ |
| 2615 | if (--ac > 0) { |
| 2616 | screenshot_file = *++av; |
| 2617 | } else { |
| 2618 | fprintf(stderr, "%s: no argument supplied to '--screenshot'\n", |
| 2619 | pname); |
| 2620 | return 1; |
| 2621 | } |
| 2622 | } else if (doing_opts && (!strcmp(p, "--with-solutions") || |
| 2623 | !strcmp(p, "--with-solution") || |
| 2624 | !strcmp(p, "--with-solns") || |
| 2625 | !strcmp(p, "--with-soln") || |
| 2626 | !strcmp(p, "--solutions") || |
| 2627 | !strcmp(p, "--solution") || |
| 2628 | !strcmp(p, "--solns") || |
| 2629 | !strcmp(p, "--soln"))) { |
| 2630 | soln = TRUE; |
| 2631 | } else if (doing_opts && !strcmp(p, "--colour")) { |
| 2632 | if (!thegame.can_print_in_colour) { |
| 2633 | fprintf(stderr, "%s: this game does not support colour" |
| 2634 | " printing\n", pname); |
| 2635 | return 1; |
| 2636 | } |
| 2637 | colour = TRUE; |
| 2638 | } else if (doing_opts && !strcmp(p, "--load")) { |
| 2639 | argtype = ARG_SAVE; |
| 2640 | } else if (doing_opts && !strcmp(p, "--game")) { |
| 2641 | argtype = ARG_ID; |
| 2642 | } else if (doing_opts && !strcmp(p, "--")) { |
| 2643 | doing_opts = FALSE; |
| 2644 | } else if (!doing_opts || p[0] != '-') { |
| 2645 | if (arg) { |
| 2646 | fprintf(stderr, "%s: more than one argument supplied\n", |
| 2647 | pname); |
| 2648 | return 1; |
| 2649 | } |
| 2650 | arg = p; |
| 2651 | } else { |
| 2652 | sprintf(errbuf, "%.100s: unrecognised option '%.100s'\n", |
| 2653 | pname, p); |
| 2654 | break; |
| 2655 | } |
| 2656 | } |
| 2657 | |
| 2658 | /* |
| 2659 | * Special standalone mode for generating puzzle IDs on the |
| 2660 | * command line. Useful for generating puzzles to be printed |
| 2661 | * out and solved offline (for puzzles where that even makes |
| 2662 | * sense - Solo, for example, is a lot more pencil-and-paper |
| 2663 | * friendly than Twiddle!) |
| 2664 | * |
| 2665 | * Usage: |
| 2666 | * |
| 2667 | * <puzzle-name> --generate [<n> [<params>]] |
| 2668 | * |
| 2669 | * <n>, if present, is the number of puzzle IDs to generate. |
| 2670 | * <params>, if present, is the same type of parameter string |
| 2671 | * you would pass to the puzzle when running it in GUI mode, |
| 2672 | * including optional extras such as the expansion factor in |
| 2673 | * Rectangles and the difficulty level in Solo. |
| 2674 | * |
| 2675 | * If you specify <params>, you must also specify <n> (although |
| 2676 | * you may specify it to be 1). Sorry; that was the |
| 2677 | * simplest-to-parse command-line syntax I came up with. |
| 2678 | */ |
| 2679 | if (ngenerate > 0 || print || savefile || savesuffix) { |
| 2680 | int i, n = 1; |
| 2681 | midend *me; |
| 2682 | char *id; |
| 2683 | document *doc = NULL; |
| 2684 | |
| 2685 | /* |
| 2686 | * If we're in this branch, we should display any pending |
| 2687 | * error message from the command line, since GTK isn't going |
| 2688 | * to take another crack at making sense of it. |
| 2689 | */ |
| 2690 | if (*errbuf) { |
| 2691 | fputs(errbuf, stderr); |
| 2692 | return 1; |
| 2693 | } |
| 2694 | |
| 2695 | n = ngenerate; |
| 2696 | |
| 2697 | me = midend_new(NULL, &thegame, NULL, NULL); |
| 2698 | i = 0; |
| 2699 | |
| 2700 | if (savefile && !savesuffix) |
| 2701 | savesuffix = ""; |
| 2702 | if (!savefile && savesuffix) |
| 2703 | savefile = ""; |
| 2704 | |
| 2705 | if (print) |
| 2706 | doc = document_new(px, py, scale); |
| 2707 | |
| 2708 | /* |
| 2709 | * In this loop, we either generate a game ID or read one |
| 2710 | * from stdin depending on whether we're in generate mode; |
| 2711 | * then we either write it to stdout or print it, depending |
| 2712 | * on whether we're in print mode. Thus, this loop handles |
| 2713 | * generate-to-stdout, print-from-stdin and generate-and- |
| 2714 | * immediately-print modes. |
| 2715 | * |
| 2716 | * (It could also handle a copy-stdin-to-stdout mode, |
| 2717 | * although there's currently no combination of options |
| 2718 | * which will cause this loop to be activated in that mode. |
| 2719 | * It wouldn't be _entirely_ pointless, though, because |
| 2720 | * stdin could contain bare params strings or random-seed |
| 2721 | * IDs, and stdout would contain nothing but fully |
| 2722 | * generated descriptive game IDs.) |
| 2723 | */ |
| 2724 | while (ngenerate == 0 || i < n) { |
| 2725 | char *pstr, *err; |
| 2726 | |
| 2727 | if (ngenerate == 0) { |
| 2728 | pstr = fgetline(stdin); |
| 2729 | if (!pstr) |
| 2730 | break; |
| 2731 | pstr[strcspn(pstr, "\r\n")] = '\0'; |
| 2732 | } else { |
| 2733 | if (arg) { |
| 2734 | pstr = snewn(strlen(arg) + 40, char); |
| 2735 | |
| 2736 | strcpy(pstr, arg); |
| 2737 | if (i > 0 && strchr(arg, '#')) |
| 2738 | sprintf(pstr + strlen(pstr), "-%d", i); |
| 2739 | } else |
| 2740 | pstr = NULL; |
| 2741 | } |
| 2742 | |
| 2743 | if (pstr) { |
| 2744 | err = midend_game_id(me, pstr); |
| 2745 | if (err) { |
| 2746 | fprintf(stderr, "%s: error parsing '%s': %s\n", |
| 2747 | pname, pstr, err); |
| 2748 | return 1; |
| 2749 | } |
| 2750 | } |
| 2751 | sfree(pstr); |
| 2752 | |
| 2753 | midend_new_game(me); |
| 2754 | |
| 2755 | if (doc) { |
| 2756 | err = midend_print_puzzle(me, doc, soln); |
| 2757 | if (err) { |
| 2758 | fprintf(stderr, "%s: error in printing: %s\n", pname, err); |
| 2759 | return 1; |
| 2760 | } |
| 2761 | } |
| 2762 | if (savefile) { |
| 2763 | struct savefile_write_ctx ctx; |
| 2764 | char *realname = snewn(40 + strlen(savefile) + |
| 2765 | strlen(savesuffix), char); |
| 2766 | sprintf(realname, "%s%d%s", savefile, i, savesuffix); |
| 2767 | |
| 2768 | if (soln) { |
| 2769 | char *err = midend_solve(me); |
| 2770 | if (err) { |
| 2771 | fprintf(stderr, "%s: unable to show solution: %s\n", |
| 2772 | realname, err); |
| 2773 | return 1; |
| 2774 | } |
| 2775 | } |
| 2776 | |
| 2777 | ctx.fp = fopen(realname, "w"); |
| 2778 | if (!ctx.fp) { |
| 2779 | fprintf(stderr, "%s: open: %s\n", realname, |
| 2780 | strerror(errno)); |
| 2781 | return 1; |
| 2782 | } |
| 2783 | ctx.error = 0; |
| 2784 | midend_serialise(me, savefile_write, &ctx); |
| 2785 | if (ctx.error) { |
| 2786 | fprintf(stderr, "%s: write: %s\n", realname, |
| 2787 | strerror(ctx.error)); |
| 2788 | return 1; |
| 2789 | } |
| 2790 | if (fclose(ctx.fp)) { |
| 2791 | fprintf(stderr, "%s: close: %s\n", realname, |
| 2792 | strerror(errno)); |
| 2793 | return 1; |
| 2794 | } |
| 2795 | sfree(realname); |
| 2796 | } |
| 2797 | if (!doc && !savefile) { |
| 2798 | id = midend_get_game_id(me); |
| 2799 | puts(id); |
| 2800 | sfree(id); |
| 2801 | } |
| 2802 | |
| 2803 | i++; |
| 2804 | } |
| 2805 | |
| 2806 | if (doc) { |
| 2807 | psdata *ps = ps_init(stdout, colour); |
| 2808 | document_print(doc, ps_drawing_api(ps)); |
| 2809 | document_free(doc); |
| 2810 | ps_free(ps); |
| 2811 | } |
| 2812 | |
| 2813 | midend_free(me); |
| 2814 | |
| 2815 | return 0; |
| 2816 | } else { |
| 2817 | frontend *fe; |
| 2818 | |
| 2819 | gtk_init(&argc, &argv); |
| 2820 | |
| 2821 | fe = new_window(arg, argtype, &error); |
| 2822 | |
| 2823 | if (!fe) { |
| 2824 | fprintf(stderr, "%s: %s\n", pname, error); |
| 2825 | return 1; |
| 2826 | } |
| 2827 | |
| 2828 | if (screenshot_file) { |
| 2829 | /* |
| 2830 | * Some puzzles will not redraw their entire area if |
| 2831 | * given a partially completed animation, which means |
| 2832 | * we must redraw now and _then_ redraw again after |
| 2833 | * freezing the move timer. |
| 2834 | */ |
| 2835 | midend_force_redraw(fe->me); |
| 2836 | } |
| 2837 | |
| 2838 | if (redo_proportion) { |
| 2839 | /* Start a redo. */ |
| 2840 | midend_process_key(fe->me, 0, 0, 'r'); |
| 2841 | /* And freeze the timer at the specified position. */ |
| 2842 | midend_freeze_timer(fe->me, redo_proportion); |
| 2843 | } |
| 2844 | |
| 2845 | if (screenshot_file) { |
| 2846 | save_screenshot_png(fe, screenshot_file); |
| 2847 | exit(0); |
| 2848 | } |
| 2849 | |
| 2850 | gtk_main(); |
| 2851 | } |
| 2852 | |
| 2853 | return 0; |
| 2854 | } |