| 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 | |
| 12 | #include <sys/time.h> |
| 13 | |
| 14 | #include <gtk/gtk.h> |
| 15 | #include <gdk/gdkkeysyms.h> |
| 16 | |
| 17 | #include "puzzles.h" |
| 18 | |
| 19 | /* ---------------------------------------------------------------------- |
| 20 | * Error reporting functions used elsewhere. |
| 21 | */ |
| 22 | |
| 23 | void fatal(char *fmt, ...) |
| 24 | { |
| 25 | va_list ap; |
| 26 | |
| 27 | fprintf(stderr, "fatal error: "); |
| 28 | |
| 29 | va_start(ap, fmt); |
| 30 | vfprintf(stderr, fmt, ap); |
| 31 | va_end(ap); |
| 32 | |
| 33 | fprintf(stderr, "\n"); |
| 34 | exit(1); |
| 35 | } |
| 36 | |
| 37 | /* ---------------------------------------------------------------------- |
| 38 | * GTK front end to puzzles. |
| 39 | */ |
| 40 | |
| 41 | struct font { |
| 42 | GdkFont *font; |
| 43 | int type; |
| 44 | int size; |
| 45 | }; |
| 46 | |
| 47 | /* |
| 48 | * This structure holds all the data relevant to a single window. |
| 49 | * In principle this would allow us to open multiple independent |
| 50 | * puzzle windows, although I can't currently see any real point in |
| 51 | * doing so. I'm just coding cleanly because there's no |
| 52 | * particularly good reason not to. |
| 53 | */ |
| 54 | struct frontend { |
| 55 | GtkWidget *window; |
| 56 | GtkWidget *area; |
| 57 | GtkWidget *statusbar; |
| 58 | guint statusctx; |
| 59 | GdkPixmap *pixmap; |
| 60 | GdkColor *colours; |
| 61 | int ncolours; |
| 62 | GdkColormap *colmap; |
| 63 | int w, h; |
| 64 | midend_data *me; |
| 65 | GdkGC *gc; |
| 66 | int bbox_l, bbox_r, bbox_u, bbox_d; |
| 67 | int timer_active, timer_id; |
| 68 | struct timeval last_time; |
| 69 | struct font *fonts; |
| 70 | int nfonts, fontsize; |
| 71 | config_item *cfg; |
| 72 | int cfg_which, cfgret; |
| 73 | GtkWidget *cfgbox; |
| 74 | }; |
| 75 | |
| 76 | void frontend_default_colour(frontend *fe, float *output) |
| 77 | { |
| 78 | GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL]; |
| 79 | output[0] = col.red / 65535.0; |
| 80 | output[1] = col.green / 65535.0; |
| 81 | output[2] = col.blue / 65535.0; |
| 82 | } |
| 83 | |
| 84 | void status_bar(frontend *fe, char *text) |
| 85 | { |
| 86 | assert(fe->statusbar); |
| 87 | |
| 88 | gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx); |
| 89 | gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text); |
| 90 | } |
| 91 | |
| 92 | void start_draw(frontend *fe) |
| 93 | { |
| 94 | fe->gc = gdk_gc_new(fe->area->window); |
| 95 | fe->bbox_l = fe->w; |
| 96 | fe->bbox_r = 0; |
| 97 | fe->bbox_u = fe->h; |
| 98 | fe->bbox_d = 0; |
| 99 | } |
| 100 | |
| 101 | void clip(frontend *fe, int x, int y, int w, int h) |
| 102 | { |
| 103 | GdkRectangle rect; |
| 104 | |
| 105 | rect.x = x; |
| 106 | rect.y = y; |
| 107 | rect.width = w; |
| 108 | rect.height = h; |
| 109 | |
| 110 | gdk_gc_set_clip_rectangle(fe->gc, &rect); |
| 111 | } |
| 112 | |
| 113 | void unclip(frontend *fe) |
| 114 | { |
| 115 | GdkRectangle rect; |
| 116 | |
| 117 | rect.x = 0; |
| 118 | rect.y = 0; |
| 119 | rect.width = fe->w; |
| 120 | rect.height = fe->h; |
| 121 | |
| 122 | gdk_gc_set_clip_rectangle(fe->gc, &rect); |
| 123 | } |
| 124 | |
| 125 | void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize, |
| 126 | int align, int colour, char *text) |
| 127 | { |
| 128 | int i; |
| 129 | |
| 130 | /* |
| 131 | * Find or create the font. |
| 132 | */ |
| 133 | for (i = 0; i < fe->nfonts; i++) |
| 134 | if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize) |
| 135 | break; |
| 136 | |
| 137 | if (i == fe->nfonts) { |
| 138 | if (fe->fontsize <= fe->nfonts) { |
| 139 | fe->fontsize = fe->nfonts + 10; |
| 140 | fe->fonts = sresize(fe->fonts, fe->fontsize, struct font); |
| 141 | } |
| 142 | |
| 143 | fe->nfonts++; |
| 144 | |
| 145 | fe->fonts[i].type = fonttype; |
| 146 | fe->fonts[i].size = fontsize; |
| 147 | |
| 148 | /* |
| 149 | * FIXME: Really I should make at least _some_ effort to |
| 150 | * pick the correct font. |
| 151 | */ |
| 152 | fe->fonts[i].font = gdk_font_load("variable"); |
| 153 | } |
| 154 | |
| 155 | /* |
| 156 | * Find string dimensions and process alignment. |
| 157 | */ |
| 158 | { |
| 159 | int lb, rb, wid, asc, desc; |
| 160 | |
| 161 | gdk_string_extents(fe->fonts[i].font, text, |
| 162 | &lb, &rb, &wid, &asc, &desc); |
| 163 | if (align & ALIGN_VCENTRE) |
| 164 | y += asc - (asc+desc)/2; |
| 165 | |
| 166 | if (align & ALIGN_HCENTRE) |
| 167 | x -= wid / 2; |
| 168 | else if (align & ALIGN_HRIGHT) |
| 169 | x -= wid; |
| 170 | |
| 171 | } |
| 172 | |
| 173 | /* |
| 174 | * Set colour and actually draw text. |
| 175 | */ |
| 176 | gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); |
| 177 | gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text); |
| 178 | } |
| 179 | |
| 180 | void draw_rect(frontend *fe, int x, int y, int w, int h, int colour) |
| 181 | { |
| 182 | gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); |
| 183 | gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h); |
| 184 | } |
| 185 | |
| 186 | void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour) |
| 187 | { |
| 188 | gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); |
| 189 | gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2); |
| 190 | } |
| 191 | |
| 192 | void draw_polygon(frontend *fe, int *coords, int npoints, |
| 193 | int fill, int colour) |
| 194 | { |
| 195 | GdkPoint *points = snewn(npoints, GdkPoint); |
| 196 | int i; |
| 197 | |
| 198 | for (i = 0; i < npoints; i++) { |
| 199 | points[i].x = coords[i*2]; |
| 200 | points[i].y = coords[i*2+1]; |
| 201 | } |
| 202 | |
| 203 | gdk_gc_set_foreground(fe->gc, &fe->colours[colour]); |
| 204 | gdk_draw_polygon(fe->pixmap, fe->gc, fill, points, npoints); |
| 205 | |
| 206 | sfree(points); |
| 207 | } |
| 208 | |
| 209 | void draw_update(frontend *fe, int x, int y, int w, int h) |
| 210 | { |
| 211 | if (fe->bbox_l > x ) fe->bbox_l = x ; |
| 212 | if (fe->bbox_r < x+w) fe->bbox_r = x+w; |
| 213 | if (fe->bbox_u > y ) fe->bbox_u = y ; |
| 214 | if (fe->bbox_d < y+h) fe->bbox_d = y+h; |
| 215 | } |
| 216 | |
| 217 | void end_draw(frontend *fe) |
| 218 | { |
| 219 | gdk_gc_unref(fe->gc); |
| 220 | fe->gc = NULL; |
| 221 | |
| 222 | if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) { |
| 223 | gdk_draw_pixmap(fe->area->window, |
| 224 | fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)], |
| 225 | fe->pixmap, |
| 226 | fe->bbox_l, fe->bbox_u, |
| 227 | fe->bbox_l, fe->bbox_u, |
| 228 | fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u); |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | static void destroy(GtkWidget *widget, gpointer data) |
| 233 | { |
| 234 | frontend *fe = (frontend *)data; |
| 235 | deactivate_timer(fe); |
| 236 | gtk_main_quit(); |
| 237 | } |
| 238 | |
| 239 | static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 240 | { |
| 241 | frontend *fe = (frontend *)data; |
| 242 | int keyval; |
| 243 | |
| 244 | if (!fe->pixmap) |
| 245 | return TRUE; |
| 246 | |
| 247 | if (event->string[0] && !event->string[1]) |
| 248 | keyval = (unsigned char)event->string[0]; |
| 249 | else if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up || |
| 250 | event->keyval == GDK_KP_8) |
| 251 | keyval = CURSOR_UP; |
| 252 | else if (event->keyval == GDK_Down || event->keyval == GDK_KP_Down || |
| 253 | event->keyval == GDK_KP_2) |
| 254 | keyval = CURSOR_DOWN; |
| 255 | else if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left || |
| 256 | event->keyval == GDK_KP_4) |
| 257 | keyval = CURSOR_LEFT; |
| 258 | else if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right || |
| 259 | event->keyval == GDK_KP_6) |
| 260 | keyval = CURSOR_RIGHT; |
| 261 | else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7) |
| 262 | keyval = CURSOR_UP_LEFT; |
| 263 | else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1) |
| 264 | keyval = CURSOR_DOWN_LEFT; |
| 265 | else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9) |
| 266 | keyval = CURSOR_UP_RIGHT; |
| 267 | else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3) |
| 268 | keyval = CURSOR_DOWN_RIGHT; |
| 269 | else |
| 270 | keyval = -1; |
| 271 | |
| 272 | if (keyval >= 0 && |
| 273 | !midend_process_key(fe->me, 0, 0, keyval)) |
| 274 | gtk_widget_destroy(fe->window); |
| 275 | |
| 276 | return TRUE; |
| 277 | } |
| 278 | |
| 279 | static gint button_event(GtkWidget *widget, GdkEventButton *event, |
| 280 | gpointer data) |
| 281 | { |
| 282 | frontend *fe = (frontend *)data; |
| 283 | int button; |
| 284 | |
| 285 | if (!fe->pixmap) |
| 286 | return TRUE; |
| 287 | |
| 288 | if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE) |
| 289 | return TRUE; |
| 290 | |
| 291 | if (event->button == 2 || (event->state & GDK_SHIFT_MASK)) |
| 292 | button = MIDDLE_BUTTON; |
| 293 | else if (event->button == 1) |
| 294 | button = LEFT_BUTTON; |
| 295 | else if (event->button == 3) |
| 296 | button = RIGHT_BUTTON; |
| 297 | else |
| 298 | return FALSE; /* don't even know what button! */ |
| 299 | |
| 300 | if (event->type == GDK_BUTTON_RELEASE) |
| 301 | button += LEFT_RELEASE - LEFT_BUTTON; |
| 302 | |
| 303 | if (!midend_process_key(fe->me, event->x, event->y, button)) |
| 304 | gtk_widget_destroy(fe->window); |
| 305 | |
| 306 | return TRUE; |
| 307 | } |
| 308 | |
| 309 | static gint motion_event(GtkWidget *widget, GdkEventMotion *event, |
| 310 | gpointer data) |
| 311 | { |
| 312 | frontend *fe = (frontend *)data; |
| 313 | int button; |
| 314 | |
| 315 | if (!fe->pixmap) |
| 316 | return TRUE; |
| 317 | |
| 318 | if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK)) |
| 319 | button = MIDDLE_DRAG; |
| 320 | else if (event->state & GDK_BUTTON1_MASK) |
| 321 | button = LEFT_DRAG; |
| 322 | else if (event->state & GDK_BUTTON3_MASK) |
| 323 | button = RIGHT_DRAG; |
| 324 | else |
| 325 | return FALSE; /* don't even know what button! */ |
| 326 | |
| 327 | if (!midend_process_key(fe->me, event->x, event->y, button)) |
| 328 | gtk_widget_destroy(fe->window); |
| 329 | |
| 330 | return TRUE; |
| 331 | } |
| 332 | |
| 333 | static gint expose_area(GtkWidget *widget, GdkEventExpose *event, |
| 334 | gpointer data) |
| 335 | { |
| 336 | frontend *fe = (frontend *)data; |
| 337 | |
| 338 | if (fe->pixmap) { |
| 339 | gdk_draw_pixmap(widget->window, |
| 340 | widget->style->fg_gc[GTK_WIDGET_STATE(widget)], |
| 341 | fe->pixmap, |
| 342 | event->area.x, event->area.y, |
| 343 | event->area.x, event->area.y, |
| 344 | event->area.width, event->area.height); |
| 345 | } |
| 346 | return TRUE; |
| 347 | } |
| 348 | |
| 349 | static gint map_window(GtkWidget *widget, GdkEvent *event, |
| 350 | gpointer data) |
| 351 | { |
| 352 | frontend *fe = (frontend *)data; |
| 353 | |
| 354 | /* |
| 355 | * Apparently we need to do this because otherwise the status |
| 356 | * bar will fail to update immediately. Annoying, but there we |
| 357 | * go. |
| 358 | */ |
| 359 | gtk_widget_queue_draw(fe->window); |
| 360 | |
| 361 | return TRUE; |
| 362 | } |
| 363 | |
| 364 | static gint configure_area(GtkWidget *widget, |
| 365 | GdkEventConfigure *event, gpointer data) |
| 366 | { |
| 367 | frontend *fe = (frontend *)data; |
| 368 | GdkGC *gc; |
| 369 | |
| 370 | if (fe->pixmap) |
| 371 | gdk_pixmap_unref(fe->pixmap); |
| 372 | |
| 373 | fe->pixmap = gdk_pixmap_new(widget->window, fe->w, fe->h, -1); |
| 374 | |
| 375 | gc = gdk_gc_new(fe->area->window); |
| 376 | gdk_gc_set_foreground(gc, &fe->colours[0]); |
| 377 | gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->w, fe->h); |
| 378 | gdk_gc_unref(gc); |
| 379 | |
| 380 | midend_redraw(fe->me); |
| 381 | |
| 382 | return TRUE; |
| 383 | } |
| 384 | |
| 385 | static gint timer_func(gpointer data) |
| 386 | { |
| 387 | frontend *fe = (frontend *)data; |
| 388 | |
| 389 | if (fe->timer_active) { |
| 390 | struct timeval now; |
| 391 | float elapsed; |
| 392 | gettimeofday(&now, NULL); |
| 393 | elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F + |
| 394 | (now.tv_sec - fe->last_time.tv_sec)); |
| 395 | midend_timer(fe->me, elapsed); /* may clear timer_active */ |
| 396 | fe->last_time = now; |
| 397 | } |
| 398 | |
| 399 | return fe->timer_active; |
| 400 | } |
| 401 | |
| 402 | void deactivate_timer(frontend *fe) |
| 403 | { |
| 404 | if (fe->timer_active) |
| 405 | gtk_timeout_remove(fe->timer_id); |
| 406 | fe->timer_active = FALSE; |
| 407 | } |
| 408 | |
| 409 | void activate_timer(frontend *fe) |
| 410 | { |
| 411 | if (!fe->timer_active) { |
| 412 | fe->timer_id = gtk_timeout_add(20, timer_func, fe); |
| 413 | gettimeofday(&fe->last_time, NULL); |
| 414 | } |
| 415 | fe->timer_active = TRUE; |
| 416 | } |
| 417 | |
| 418 | static void window_destroy(GtkWidget *widget, gpointer data) |
| 419 | { |
| 420 | gtk_main_quit(); |
| 421 | } |
| 422 | |
| 423 | static void errmsg_button_clicked(GtkButton *button, gpointer data) |
| 424 | { |
| 425 | gtk_widget_destroy(GTK_WIDGET(data)); |
| 426 | } |
| 427 | |
| 428 | static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 429 | { |
| 430 | GtkObject *cancelbutton = GTK_OBJECT(data); |
| 431 | |
| 432 | /* |
| 433 | * `Escape' effectively clicks the cancel button |
| 434 | */ |
| 435 | if (event->keyval == GDK_Escape) { |
| 436 | gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked"); |
| 437 | return TRUE; |
| 438 | } |
| 439 | |
| 440 | return FALSE; |
| 441 | } |
| 442 | |
| 443 | void error_box(GtkWidget *parent, char *msg) |
| 444 | { |
| 445 | GtkWidget *window, *hbox, *text, *ok; |
| 446 | |
| 447 | window = gtk_dialog_new(); |
| 448 | text = gtk_label_new(msg); |
| 449 | gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0); |
| 450 | hbox = gtk_hbox_new(FALSE, 0); |
| 451 | gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20); |
| 452 | gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox), |
| 453 | hbox, FALSE, FALSE, 20); |
| 454 | gtk_widget_show(text); |
| 455 | gtk_widget_show(hbox); |
| 456 | gtk_window_set_title(GTK_WINDOW(window), "Error"); |
| 457 | gtk_label_set_line_wrap(GTK_LABEL(text), TRUE); |
| 458 | ok = gtk_button_new_with_label("OK"); |
| 459 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area), |
| 460 | ok, FALSE, FALSE, 0); |
| 461 | gtk_widget_show(ok); |
| 462 | GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT); |
| 463 | gtk_window_set_default(GTK_WINDOW(window), ok); |
| 464 | gtk_signal_connect(GTK_OBJECT(ok), "clicked", |
| 465 | GTK_SIGNAL_FUNC(errmsg_button_clicked), window); |
| 466 | gtk_signal_connect(GTK_OBJECT(window), "destroy", |
| 467 | GTK_SIGNAL_FUNC(window_destroy), NULL); |
| 468 | gtk_signal_connect(GTK_OBJECT(window), "key_press_event", |
| 469 | GTK_SIGNAL_FUNC(win_key_press), ok); |
| 470 | gtk_window_set_modal(GTK_WINDOW(window), TRUE); |
| 471 | gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent)); |
| 472 | //set_transient_window_pos(parent, window); |
| 473 | gtk_widget_show(window); |
| 474 | gtk_main(); |
| 475 | } |
| 476 | |
| 477 | static void config_ok_button_clicked(GtkButton *button, gpointer data) |
| 478 | { |
| 479 | frontend *fe = (frontend *)data; |
| 480 | char *err; |
| 481 | |
| 482 | err = midend_set_config(fe->me, fe->cfg_which, fe->cfg); |
| 483 | |
| 484 | if (err) |
| 485 | error_box(fe->cfgbox, err); |
| 486 | else { |
| 487 | fe->cfgret = TRUE; |
| 488 | gtk_widget_destroy(fe->cfgbox); |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | static void config_cancel_button_clicked(GtkButton *button, gpointer data) |
| 493 | { |
| 494 | frontend *fe = (frontend *)data; |
| 495 | |
| 496 | gtk_widget_destroy(fe->cfgbox); |
| 497 | } |
| 498 | |
| 499 | static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data) |
| 500 | { |
| 501 | /* |
| 502 | * GtkEntry has a nasty habit of eating the Return key, which |
| 503 | * is unhelpful since it doesn't actually _do_ anything with it |
| 504 | * (it calls gtk_widget_activate, but our edit boxes never need |
| 505 | * activating). So I catch Return before GtkEntry sees it, and |
| 506 | * pass it straight on to the parent widget. Effect: hitting |
| 507 | * Return in an edit box will now activate the default button |
| 508 | * in the dialog just like it will everywhere else. |
| 509 | */ |
| 510 | if (event->keyval == GDK_Return && widget->parent != NULL) { |
| 511 | gint return_val; |
| 512 | gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event"); |
| 513 | gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event", |
| 514 | event, &return_val); |
| 515 | return return_val; |
| 516 | } |
| 517 | return FALSE; |
| 518 | } |
| 519 | |
| 520 | static void editbox_changed(GtkEditable *ed, gpointer data) |
| 521 | { |
| 522 | config_item *i = (config_item *)data; |
| 523 | |
| 524 | sfree(i->sval); |
| 525 | i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed))); |
| 526 | } |
| 527 | |
| 528 | static void button_toggled(GtkToggleButton *tb, gpointer data) |
| 529 | { |
| 530 | config_item *i = (config_item *)data; |
| 531 | |
| 532 | i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb)); |
| 533 | } |
| 534 | |
| 535 | static void droplist_sel(GtkMenuItem *item, gpointer data) |
| 536 | { |
| 537 | config_item *i = (config_item *)data; |
| 538 | |
| 539 | i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item), |
| 540 | "user-data")); |
| 541 | } |
| 542 | |
| 543 | static int get_config(frontend *fe, int which) |
| 544 | { |
| 545 | GtkWidget *w, *table, *cancel; |
| 546 | char *title; |
| 547 | config_item *i; |
| 548 | int y; |
| 549 | |
| 550 | fe->cfg = midend_get_config(fe->me, which, &title); |
| 551 | fe->cfg_which = which; |
| 552 | fe->cfgret = FALSE; |
| 553 | |
| 554 | fe->cfgbox = gtk_dialog_new(); |
| 555 | gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title); |
| 556 | sfree(title); |
| 557 | |
| 558 | w = gtk_button_new_with_label("OK"); |
| 559 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area), |
| 560 | w, FALSE, FALSE, 0); |
| 561 | gtk_widget_show(w); |
| 562 | GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT); |
| 563 | gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w); |
| 564 | gtk_signal_connect(GTK_OBJECT(w), "clicked", |
| 565 | GTK_SIGNAL_FUNC(config_ok_button_clicked), fe); |
| 566 | |
| 567 | w = gtk_button_new_with_label("Cancel"); |
| 568 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area), |
| 569 | w, FALSE, FALSE, 0); |
| 570 | gtk_widget_show(w); |
| 571 | gtk_signal_connect(GTK_OBJECT(w), "clicked", |
| 572 | GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe); |
| 573 | cancel = w; |
| 574 | |
| 575 | table = gtk_table_new(1, 2, FALSE); |
| 576 | y = 0; |
| 577 | gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox), |
| 578 | table, FALSE, FALSE, 0); |
| 579 | gtk_widget_show(table); |
| 580 | |
| 581 | for (i = fe->cfg; i->type != C_END; i++) { |
| 582 | gtk_table_resize(GTK_TABLE(table), y+1, 2); |
| 583 | |
| 584 | switch (i->type) { |
| 585 | case C_STRING: |
| 586 | /* |
| 587 | * Edit box with a label beside it. |
| 588 | */ |
| 589 | |
| 590 | w = gtk_label_new(i->name); |
| 591 | gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5); |
| 592 | gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1, |
| 593 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 594 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 595 | 3, 3); |
| 596 | gtk_widget_show(w); |
| 597 | |
| 598 | w = gtk_entry_new(); |
| 599 | gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1, |
| 600 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 601 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 602 | 3, 3); |
| 603 | gtk_entry_set_text(GTK_ENTRY(w), i->sval); |
| 604 | gtk_signal_connect(GTK_OBJECT(w), "changed", |
| 605 | GTK_SIGNAL_FUNC(editbox_changed), i); |
| 606 | gtk_signal_connect(GTK_OBJECT(w), "key_press_event", |
| 607 | GTK_SIGNAL_FUNC(editbox_key), NULL); |
| 608 | gtk_widget_show(w); |
| 609 | |
| 610 | break; |
| 611 | |
| 612 | case C_BOOLEAN: |
| 613 | /* |
| 614 | * Simple checkbox. |
| 615 | */ |
| 616 | w = gtk_check_button_new_with_label(i->name); |
| 617 | gtk_signal_connect(GTK_OBJECT(w), "toggled", |
| 618 | GTK_SIGNAL_FUNC(button_toggled), i); |
| 619 | gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1, |
| 620 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 621 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 622 | 3, 3); |
| 623 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival); |
| 624 | gtk_widget_show(w); |
| 625 | break; |
| 626 | |
| 627 | case C_CHOICES: |
| 628 | /* |
| 629 | * Drop-down list (GtkOptionMenu). |
| 630 | */ |
| 631 | |
| 632 | w = gtk_label_new(i->name); |
| 633 | gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5); |
| 634 | gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1, |
| 635 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 636 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 637 | 3, 3); |
| 638 | gtk_widget_show(w); |
| 639 | |
| 640 | w = gtk_option_menu_new(); |
| 641 | gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1, |
| 642 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 643 | GTK_EXPAND | GTK_SHRINK | GTK_FILL, |
| 644 | 3, 3); |
| 645 | gtk_widget_show(w); |
| 646 | |
| 647 | { |
| 648 | int c, val; |
| 649 | char *p, *q, *name; |
| 650 | GtkWidget *menuitem; |
| 651 | GtkWidget *menu = gtk_menu_new(); |
| 652 | |
| 653 | gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu); |
| 654 | |
| 655 | c = *i->sval; |
| 656 | p = i->sval+1; |
| 657 | val = 0; |
| 658 | |
| 659 | while (*p) { |
| 660 | q = p; |
| 661 | while (*q && *q != c) |
| 662 | q++; |
| 663 | |
| 664 | name = snewn(q-p+1, char); |
| 665 | strncpy(name, p, q-p); |
| 666 | name[q-p] = '\0'; |
| 667 | |
| 668 | if (*q) q++; /* eat delimiter */ |
| 669 | |
| 670 | menuitem = gtk_menu_item_new_with_label(name); |
| 671 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 672 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 673 | GINT_TO_POINTER(val)); |
| 674 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 675 | GTK_SIGNAL_FUNC(droplist_sel), i); |
| 676 | gtk_widget_show(menuitem); |
| 677 | |
| 678 | val++; |
| 679 | |
| 680 | p = q; |
| 681 | } |
| 682 | |
| 683 | gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival); |
| 684 | } |
| 685 | |
| 686 | break; |
| 687 | } |
| 688 | |
| 689 | y++; |
| 690 | } |
| 691 | |
| 692 | gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy", |
| 693 | GTK_SIGNAL_FUNC(window_destroy), NULL); |
| 694 | gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event", |
| 695 | GTK_SIGNAL_FUNC(win_key_press), cancel); |
| 696 | gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE); |
| 697 | gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox), |
| 698 | GTK_WINDOW(fe->window)); |
| 699 | //set_transient_window_pos(fe->window, fe->cfgbox); |
| 700 | gtk_widget_show(fe->cfgbox); |
| 701 | gtk_main(); |
| 702 | |
| 703 | free_cfg(fe->cfg); |
| 704 | |
| 705 | return fe->cfgret; |
| 706 | } |
| 707 | |
| 708 | static void menu_key_event(GtkMenuItem *menuitem, gpointer data) |
| 709 | { |
| 710 | frontend *fe = (frontend *)data; |
| 711 | int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem), |
| 712 | "user-data")); |
| 713 | if (!midend_process_key(fe->me, 0, 0, key)) |
| 714 | gtk_widget_destroy(fe->window); |
| 715 | } |
| 716 | |
| 717 | static void menu_preset_event(GtkMenuItem *menuitem, gpointer data) |
| 718 | { |
| 719 | frontend *fe = (frontend *)data; |
| 720 | game_params *params = |
| 721 | (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data"); |
| 722 | int x, y; |
| 723 | |
| 724 | midend_set_params(fe->me, params); |
| 725 | midend_new_game(fe->me); |
| 726 | midend_size(fe->me, &x, &y); |
| 727 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); |
| 728 | fe->w = x; |
| 729 | fe->h = y; |
| 730 | } |
| 731 | |
| 732 | static void menu_config_event(GtkMenuItem *menuitem, gpointer data) |
| 733 | { |
| 734 | frontend *fe = (frontend *)data; |
| 735 | int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem), |
| 736 | "user-data")); |
| 737 | int x, y; |
| 738 | |
| 739 | if (!get_config(fe, which)) |
| 740 | return; |
| 741 | |
| 742 | midend_new_game(fe->me); |
| 743 | midend_size(fe->me, &x, &y); |
| 744 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); |
| 745 | fe->w = x; |
| 746 | fe->h = y; |
| 747 | } |
| 748 | |
| 749 | static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont, |
| 750 | char *text, int key) |
| 751 | { |
| 752 | GtkWidget *menuitem = gtk_menu_item_new_with_label(text); |
| 753 | gtk_container_add(cont, menuitem); |
| 754 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 755 | GINT_TO_POINTER(key)); |
| 756 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 757 | GTK_SIGNAL_FUNC(menu_key_event), fe); |
| 758 | gtk_widget_show(menuitem); |
| 759 | return menuitem; |
| 760 | } |
| 761 | |
| 762 | static void add_menu_separator(GtkContainer *cont) |
| 763 | { |
| 764 | GtkWidget *menuitem = gtk_menu_item_new(); |
| 765 | gtk_container_add(cont, menuitem); |
| 766 | gtk_widget_show(menuitem); |
| 767 | } |
| 768 | |
| 769 | static frontend *new_window(char *game_id, char **error) |
| 770 | { |
| 771 | frontend *fe; |
| 772 | GtkBox *vbox; |
| 773 | GtkWidget *menubar, *menu, *menuitem; |
| 774 | int x, y, n; |
| 775 | time_t t; |
| 776 | |
| 777 | fe = snew(frontend); |
| 778 | |
| 779 | time(&t); |
| 780 | fe->me = midend_new(fe, &t, sizeof(t)); |
| 781 | if (game_id) { |
| 782 | *error = midend_game_id(fe->me, game_id, FALSE); |
| 783 | if (*error) { |
| 784 | midend_free(fe->me); |
| 785 | sfree(fe); |
| 786 | return NULL; |
| 787 | } |
| 788 | } |
| 789 | midend_new_game(fe->me); |
| 790 | |
| 791 | fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 792 | gtk_window_set_title(GTK_WINDOW(fe->window), game_name); |
| 793 | #if 0 |
| 794 | gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE); |
| 795 | #else |
| 796 | gtk_window_set_policy(GTK_WINDOW(fe->window), FALSE, FALSE, TRUE); |
| 797 | #endif |
| 798 | vbox = GTK_BOX(gtk_vbox_new(FALSE, 0)); |
| 799 | gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox)); |
| 800 | gtk_widget_show(GTK_WIDGET(vbox)); |
| 801 | |
| 802 | menubar = gtk_menu_bar_new(); |
| 803 | gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0); |
| 804 | gtk_widget_show(menubar); |
| 805 | |
| 806 | menuitem = gtk_menu_item_new_with_label("Game"); |
| 807 | gtk_container_add(GTK_CONTAINER(menubar), menuitem); |
| 808 | gtk_widget_show(menuitem); |
| 809 | |
| 810 | menu = gtk_menu_new(); |
| 811 | gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu); |
| 812 | |
| 813 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n'); |
| 814 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Restart", 'r'); |
| 815 | |
| 816 | menuitem = gtk_menu_item_new_with_label("Specific..."); |
| 817 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 818 | GINT_TO_POINTER(CFG_SEED)); |
| 819 | gtk_container_add(GTK_CONTAINER(menu), menuitem); |
| 820 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 821 | GTK_SIGNAL_FUNC(menu_config_event), fe); |
| 822 | gtk_widget_show(menuitem); |
| 823 | |
| 824 | if ((n = midend_num_presets(fe->me)) > 0 || game_can_configure) { |
| 825 | GtkWidget *submenu; |
| 826 | int i; |
| 827 | |
| 828 | menuitem = gtk_menu_item_new_with_label("Type"); |
| 829 | gtk_container_add(GTK_CONTAINER(menubar), menuitem); |
| 830 | gtk_widget_show(menuitem); |
| 831 | |
| 832 | submenu = gtk_menu_new(); |
| 833 | gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu); |
| 834 | |
| 835 | for (i = 0; i < n; i++) { |
| 836 | char *name; |
| 837 | game_params *params; |
| 838 | |
| 839 | midend_fetch_preset(fe->me, i, &name, ¶ms); |
| 840 | |
| 841 | menuitem = gtk_menu_item_new_with_label(name); |
| 842 | gtk_container_add(GTK_CONTAINER(submenu), menuitem); |
| 843 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params); |
| 844 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 845 | GTK_SIGNAL_FUNC(menu_preset_event), fe); |
| 846 | gtk_widget_show(menuitem); |
| 847 | } |
| 848 | |
| 849 | if (game_can_configure) { |
| 850 | menuitem = gtk_menu_item_new_with_label("Custom..."); |
| 851 | gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", |
| 852 | GPOINTER_TO_INT(CFG_SETTINGS)); |
| 853 | gtk_container_add(GTK_CONTAINER(submenu), menuitem); |
| 854 | gtk_signal_connect(GTK_OBJECT(menuitem), "activate", |
| 855 | GTK_SIGNAL_FUNC(menu_config_event), fe); |
| 856 | gtk_widget_show(menuitem); |
| 857 | } |
| 858 | } |
| 859 | |
| 860 | add_menu_separator(GTK_CONTAINER(menu)); |
| 861 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u'); |
| 862 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12'); |
| 863 | add_menu_separator(GTK_CONTAINER(menu)); |
| 864 | add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q'); |
| 865 | |
| 866 | { |
| 867 | int i, ncolours; |
| 868 | float *colours; |
| 869 | gboolean *success; |
| 870 | |
| 871 | fe->colmap = gdk_colormap_get_system(); |
| 872 | colours = midend_colours(fe->me, &ncolours); |
| 873 | fe->ncolours = ncolours; |
| 874 | fe->colours = snewn(ncolours, GdkColor); |
| 875 | for (i = 0; i < ncolours; i++) { |
| 876 | fe->colours[i].red = colours[i*3] * 0xFFFF; |
| 877 | fe->colours[i].green = colours[i*3+1] * 0xFFFF; |
| 878 | fe->colours[i].blue = colours[i*3+2] * 0xFFFF; |
| 879 | } |
| 880 | success = snewn(ncolours, gboolean); |
| 881 | gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours, |
| 882 | FALSE, FALSE, success); |
| 883 | for (i = 0; i < ncolours; i++) { |
| 884 | if (!success[i]) |
| 885 | g_error("couldn't allocate colour %d (#%02x%02x%02x)\n", |
| 886 | i, fe->colours[i].red >> 8, |
| 887 | fe->colours[i].green >> 8, |
| 888 | fe->colours[i].blue >> 8); |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | if (midend_wants_statusbar(fe->me)) { |
| 893 | GtkWidget *viewport; |
| 894 | GtkRequisition req; |
| 895 | |
| 896 | viewport = gtk_viewport_new(NULL, NULL); |
| 897 | gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE); |
| 898 | fe->statusbar = gtk_statusbar_new(); |
| 899 | gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar); |
| 900 | gtk_widget_show(viewport); |
| 901 | gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0); |
| 902 | gtk_widget_show(fe->statusbar); |
| 903 | fe->statusctx = gtk_statusbar_get_context_id |
| 904 | (GTK_STATUSBAR(fe->statusbar), "game"); |
| 905 | gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, |
| 906 | "test"); |
| 907 | gtk_widget_size_request(fe->statusbar, &req); |
| 908 | #if 0 |
| 909 | /* For GTK 2.0, should we be using gtk_widget_set_size_request? */ |
| 910 | #endif |
| 911 | gtk_widget_set_usize(viewport, -1, req.height); |
| 912 | } else |
| 913 | fe->statusbar = NULL; |
| 914 | |
| 915 | fe->area = gtk_drawing_area_new(); |
| 916 | midend_size(fe->me, &x, &y); |
| 917 | gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y); |
| 918 | fe->w = x; |
| 919 | fe->h = y; |
| 920 | |
| 921 | gtk_box_pack_end(vbox, fe->area, FALSE, FALSE, 0); |
| 922 | |
| 923 | fe->pixmap = NULL; |
| 924 | fe->fonts = NULL; |
| 925 | fe->nfonts = fe->fontsize = 0; |
| 926 | |
| 927 | fe->timer_active = FALSE; |
| 928 | |
| 929 | gtk_signal_connect(GTK_OBJECT(fe->window), "destroy", |
| 930 | GTK_SIGNAL_FUNC(destroy), fe); |
| 931 | gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event", |
| 932 | GTK_SIGNAL_FUNC(key_event), fe); |
| 933 | gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event", |
| 934 | GTK_SIGNAL_FUNC(button_event), fe); |
| 935 | gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event", |
| 936 | GTK_SIGNAL_FUNC(button_event), fe); |
| 937 | gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event", |
| 938 | GTK_SIGNAL_FUNC(motion_event), fe); |
| 939 | gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event", |
| 940 | GTK_SIGNAL_FUNC(expose_area), fe); |
| 941 | gtk_signal_connect(GTK_OBJECT(fe->window), "map_event", |
| 942 | GTK_SIGNAL_FUNC(map_window), fe); |
| 943 | gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event", |
| 944 | GTK_SIGNAL_FUNC(configure_area), fe); |
| 945 | |
| 946 | gtk_widget_add_events(GTK_WIDGET(fe->area), |
| 947 | GDK_BUTTON_PRESS_MASK | |
| 948 | GDK_BUTTON_RELEASE_MASK | |
| 949 | GDK_BUTTON_MOTION_MASK); |
| 950 | |
| 951 | gtk_widget_show(fe->area); |
| 952 | gtk_widget_show(fe->window); |
| 953 | |
| 954 | return fe; |
| 955 | } |
| 956 | |
| 957 | int main(int argc, char **argv) |
| 958 | { |
| 959 | char *pname = argv[0]; |
| 960 | char *error; |
| 961 | |
| 962 | gtk_init(&argc, &argv); |
| 963 | |
| 964 | if (!new_window(argc > 1 ? argv[1] : NULL, &error)) { |
| 965 | fprintf(stderr, "%s: %s\n", pname, error); |
| 966 | return 1; |
| 967 | } |
| 968 | |
| 969 | gtk_main(); |
| 970 | |
| 971 | return 0; |
| 972 | } |