src/gui/lbxgui.c

   1 #include <config.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <math.h>
   5
   6 #include <gtk/gtk.h>
   7
   8 #include "lbx.h"
   9 #include "image.h"
  10 #include "render.h"
  11
  12 #include "bg.xbm"
  13
  14 static GtkTreeStore *archives;
  15 static GtkBuilder *builder;
  16
  17 static GtkWidget *canvas;
  18 static GdkGC     *bg_gc;
  19
  20 static LBX_IMG *image;
  21
  22 static GdkPixbuf *framebuf;
  23
  24 void play_toggled(GtkToggleButton *button, gpointer data)
  25 {
  26         gboolean active = gtk_toggle_button_get_active(button);
  27         GtkWidget *spin;
  28
  29         if (active && !image) {
  30                 gtk_toggle_button_set_active(button, FALSE);
  31                 return;
  32         }
  33
  34         spin = GTK_WIDGET(gtk_builder_get_object(builder, "framespin"));
  35         gtk_widget_set_sensitive(spin, !active);
  36
  37         if (active) {
  38                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), 0);
  39         }
  40 }
  41
  42 void set_frame(GtkSpinButton *spin, gpointer data)
  43 {
  44         unsigned frame = gtk_spin_button_get_value_as_int(spin);
  45
  46         render_to_pixbuf(image, framebuf, frame);
  47         gdk_window_invalidate_rect(canvas->window, NULL, FALSE);
  48 }
  49
  50 static void tick(void *p, double delta)
  51 {
  52         static double elapsed = 0;
  53         double seconds_per_frame = 1.0/15;
  54         struct lbx_imginfo info;
  55         GtkSpinButton   *spin;
  56         GtkToggleButton *play;
  57         unsigned frame;
  58
  59         if (!image)
  60                 return;
  61
  62         lbximg_getinfo(image, &info);
  63         spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
  64         play = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder, "playbutton"));
  65
  66         frame = gtk_spin_button_get_value_as_int(spin);
  67         if (!gtk_toggle_button_get_active(play))
  68                 return;
  69
  70         elapsed += delta;
  71         while (elapsed > seconds_per_frame) {
  72                 elapsed -= seconds_per_frame;
  73
  74                 if (++frame >= info.nframes) {
  75                         if (!info.looping) {
  76                                 gtk_toggle_button_set_active(play, FALSE);
  77                                 break;
  78                         }
  79
  80                         frame = info.loopstart;
  81                 }
  82
  83                 gtk_spin_button_set_value(spin, frame);
  84         }
  85 }
  86
  87 static gboolean timeout(gpointer data)
  88 {
  89         static double lasttime = INFINITY;
  90         static GTimer *timer;
  91
  92         if (isinf(lasttime)) {
  93                 timer = g_timer_new();
  94                 if (timer) {
  95                         lasttime = 0;
  96                 }
  97         } else {
  98                 double time = g_timer_elapsed(timer, NULL);
  99
 100                 tick(data, time - lasttime);
 101                 lasttime = time;
 102         }
 103
 104         return TRUE;
 105 }
 106
 107 gboolean canvas_expose(GtkWidget *canvas, GdkEventExpose *event, gpointer data)
 108 {
 109         if (!framebuf)
 110                 return TRUE;
 111
 112         gdk_draw_rectangle(canvas->window, bg_gc, TRUE,
 113                 event->area.x, event->area.y,
 114                 event->area.width, event->area.height);
 115
 116         gdk_draw_pixbuf(canvas->window, NULL, framebuf,
 117                 event->area.x, event->area.y, event->area.x, event->area.y,
 118                 event->area.width, event->area.height,
 119                 GDK_RGB_DITHER_NORMAL, 0, 0);
 120
 121         return TRUE;
 122 }
 123
 124 static int init_framedata(int reset)
 125 {
 126         struct lbx_imginfo info;
 127         GtkSpinButton *spin;
 128
 129         if (!image)
 130                 return 0;
 131
 132         lbximg_getinfo(image, &info);
 133         framebuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8,
 134                 info.width, info.height);
 135         if (!framebuf) {
 136                 printf("failed to allocate pixbuf\n");
 137                 return -1;
 138         }
 139
 140         gtk_widget_set_size_request(canvas, info.width, info.height);
 141
 142         spin = GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "framespin"));
 143         gtk_spin_button_set_range(spin, 0, info.nframes-1);
 144         gtk_spin_button_set_value(spin, 0);
 145         set_frame(spin, NULL);
 146         return 0;
 147 }
 148
 149 static int img_close(void *handle)
 150 {
 151         if (framebuf) {
 152                 gtk_widget_set_size_request(canvas, -1, -1);
 153                 g_object_unref(framebuf);
 154                 framebuf = NULL;
 155         }
 156
 157         memset(palette_internal, 0, sizeof palette_internal);
 158         lbx_file_close(handle);
 159         return 0;
 160 }
 161
 162 void set_override(GtkComboBox *combo)
 163 {
 164         GtkTreeIter iter;
 165         gpointer lbx;
 166         guint    index;
 167         LBXfile  *f;
 168         LBX_IMG  *img;
 169
 170         memset(palette_override, 0, sizeof palette_override);
 171         if (!gtk_combo_box_get_active_iter(combo, &iter))
 172                 return;
 173
 174         gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
 175                 1, &lbx,
 176                 2, &index,
 177                 -1);
 178
 179         f = lbx_file_open(lbx, index);
 180         if (f) {
 181                 img = lbximg_open(f, &lbx_arch_fops, NULL);
 182                 if (img) {
 183                         memset(palette_override, 0, sizeof palette_override);
 184                         lbximg_getpalette(img, palette_override);
 185                         lbximg_close(img);
 186                         init_framedata(0);
 187                 }
 188
 189                 lbx_file_close(f);
 190         } else {
 191                 puts("damn");
 192         }
 193 }
 194
 195 void set_palette(GtkComboBox *combo)
 196 {
 197         GtkTreeIter iter;
 198         gpointer lbx;
 199         guint    index;
 200         LBXfile  *f;
 201
 202         memset(palette_external, 0, sizeof palette_external);
 203         if (!gtk_combo_box_get_active_iter(combo, &iter))
 204                 return;
 205
 206         gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
 207                 1, &lbx,
 208                 2, &index,
 209                 -1);
 210
 211         f = lbx_file_open(lbx, index);
 212         if (f) {
 213                 if (lbximg_loadpalette(f, &lbx_arch_fops, palette_external))
 214                         memset(palette_external, 0, sizeof palette_external);
 215                 lbx_file_close(f);
 216         }
 217
 218         init_framedata(0);
 219 }
 220
 221 void set_image(GtkComboBox *combo)
 222 {
 223         GtkTreeIter iter;
 224         gpointer lbx;
 225         guint    index;
 226         LBXfile  *f;
 227
 228         if (image) {
 229                 lbximg_close(image);
 230                 image = NULL;
 231         }
 232
 233         if (!gtk_combo_box_get_active_iter(combo, &iter))
 234                 return;
 235
 236         gtk_tree_model_get(GTK_TREE_MODEL(archives), &iter,
 237                 1, &lbx,
 238                 2, &index,
 239                 -1);
 240
 241         f = lbx_file_open(lbx, index);
 242         if (f) {
 243                 image = lbximg_open(f, &lbx_arch_fops, img_close);
 244                 if (image) {
 245                         if (lbximg_getpalette(image, palette_internal) == -1) {
 246                                 puts("crap");
 247                                 lbximg_close(image);
 248                         }
 249
 250                         if (init_framedata(1) == -1) {
 251                                 puts("crap");
 252                                 lbximg_close(image);
 253                         }
 254                 } else {
 255                         puts("fuck");
 256                         lbx_file_close(f);
 257                 }
 258         } else {
 259                 puts("damn");
 260         }
 261 }
 262
 263 void show_about(GtkWidget *widget)
 264 {
 265         GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(widget));
 266
 267         gtk_show_about_dialog(parent,
 268                 "name", g_get_application_name(),
 269                 "version", PACKAGE_VERSION,
 270                 "copyright", "Copyright \xc2\xa9 2010 Nick Bowler",
 271                 "website", "http://toom.sourceforge.net/",
 272                 NULL);
 273 }
 274
 275 static int load_archive(const char *path)
 276 {
 277         gchar *basename;
 278         GtkTreeIter iter1, iter2;
 279         unsigned nfiles;
 280         LBX *lbx;
 281
 282         lbx = lbx_fopen(path);
 283         if (!lbx)
 284                 return -1;
 285
 286         basename = g_path_get_basename(path);
 287         gtk_tree_store_append(archives, &iter1, NULL);
 288         gtk_tree_store_set(archives, &iter1,
 289                 0, basename,
 290                 1, (gpointer)lbx,
 291                 -1);
 292         g_free(basename);
 293
 294         nfiles = lbx_numfiles(lbx);
 295         for (unsigned i = 0; i < nfiles; i++) {
 296                 struct lbx_statbuf stat;
 297
 298                 lbx_stat(lbx, i, &stat);
 299                 gtk_tree_store_append(archives, &iter2, &iter1);
 300                 gtk_tree_store_set(archives, &iter2,
 301                         0, stat.name,
 302                         1, (gpointer)lbx,
 303                         2, (guint)i,
 304                         -1);
 305         }
 306
 307         return 0;
 308 }
 309
 310 static void load_error(const char *name, GtkWindow *window)
 311 {
 312         GtkWidget *dialog;
 313
 314         dialog = gtk_message_dialog_new(window,
 315                 GTK_DIALOG_MODAL,
 316                 GTK_MESSAGE_ERROR,
 317                 GTK_BUTTONS_OK,
 318                 "Failed to open %s.  Decent error messages coming eventually.",
 319                 name);
 320         gtk_dialog_run(GTK_DIALOG(dialog));
 321         gtk_widget_destroy(dialog);
 322 }
 323
 324 void open_archive(GtkWidget *widget)
 325 {
 326         GtkWindow *window = GTK_WINDOW(gtk_widget_get_toplevel(widget));
 327         GtkFileFilter *lbxfilter, *allfilter;
 328         GtkFileChooser *chooser;
 329         GtkTreeIter iter;
 330
 331         chooser = GTK_FILE_CHOOSER(gtk_file_chooser_dialog_new(
 332                 "Load Archive",
 333                 window,
 334                 GTK_FILE_CHOOSER_ACTION_OPEN,
 335                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 336                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 337                 NULL));
 338
 339         lbxfilter = gtk_file_filter_new();
 340         gtk_file_filter_set_name(lbxfilter, "LBX Archives (*.lbx)");
 341         gtk_file_filter_add_pattern(lbxfilter, "*.lbx");
 342         gtk_file_filter_add_pattern(lbxfilter, "*.LBX");
 343
 344         allfilter = gtk_file_filter_new();
 345         gtk_file_filter_set_name(allfilter, "All Files");
 346         gtk_file_filter_add_pattern(allfilter, "*");
 347
 348         gtk_file_chooser_add_filter(chooser, lbxfilter);
 349         gtk_file_chooser_add_filter(chooser, allfilter);
 350
 351         while (gtk_dialog_run(GTK_DIALOG(chooser)) == GTK_RESPONSE_ACCEPT) {
 352                 gchar *name = gtk_file_chooser_get_filename(chooser);
 353
 354                 if (load_archive(name) == 0) {
 355                         g_free(name);
 356                         break;
 357                 }
 358
 359                 load_error(name, GTK_WINDOW(chooser));
 360                 g_free(name);
 361         }
 362
 363         gtk_widget_destroy(GTK_WIDGET(chooser));
 364 }
 365
 366 static void clear_combobox(GtkEntry *entry, GtkEntryIconPosition pos,
 367                            GdkEvent *event, gpointer data)
 368 {
 369         GtkComboBox *combo = data;
 370
 371         gtk_entry_set_text(entry, "");
 372         gtk_combo_box_set_active(combo, -1);
 373         init_framedata(0);
 374 }
 375
 376 static void init_combobox(GtkBuilder *builder, const char *name)
 377 {
 378         GtkComboBox *combo;
 379         GtkEntry *entry;
 380
 381         combo = GTK_COMBO_BOX(gtk_builder_get_object(builder, name));
 382         gtk_combo_box_set_model(combo, GTK_TREE_MODEL(archives));
 383         gtk_combo_box_entry_set_text_column(GTK_COMBO_BOX_ENTRY(combo), 0);
 384
 385         entry = GTK_ENTRY(gtk_bin_get_child(GTK_BIN(combo)));
 386         g_signal_connect(G_OBJECT(entry), "icon-press",
 387                 G_CALLBACK(clear_combobox), combo);
 388         gtk_entry_set_icon_from_stock(entry, GTK_ENTRY_ICON_SECONDARY,
 389                 GTK_STOCK_CLEAR);
 390 }
 391
 392 static void init_interface(void)
 393 {
 394         GtkTreeViewColumn *column;
 395         GtkCellRenderer *renderer;
 396         GtkTreeView *tree;
 397
 398         renderer = gtk_cell_renderer_text_new();
 399         column = gtk_tree_view_column_new();
 400         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 401         gtk_tree_view_column_add_attribute(column, renderer, "text", 0);
 402
 403         tree = GTK_TREE_VIEW(gtk_builder_get_object(builder, "treeview"));
 404         gtk_tree_view_set_model(tree, GTK_TREE_MODEL(archives));
 405         gtk_tree_view_append_column(tree, column);
 406
 407         init_combobox(builder, "palettechooser");
 408         init_combobox(builder, "imagechooser");
 409         init_combobox(builder, "overchooser");
 410 }
 411
 412 static GdkBitmap *init_background(GdkDrawable *drawable, GdkGC *gc)
 413 {
 414         GdkColor fg = { .red = 0x6666, .green = 0x6666, .blue = 0x6666 };
 415         GdkColor bg = { .red = 0x9999, .green = 0x9999, .blue = 0x9999 };
 416         GdkBitmap *bitmap;
 417
 418         bitmap = gdk_bitmap_create_from_data(drawable, bg_bits,
 419                 bg_width, bg_height);
 420
 421         gdk_gc_set_rgb_fg_color(gc, &fg);
 422         gdk_gc_set_rgb_bg_color(gc, &bg);
 423         gdk_gc_set_fill(gc, GDK_OPAQUE_STIPPLED);
 424         gdk_gc_set_stipple(gc, bitmap);
 425         gdk_gc_set_ts_origin(gc, 0, 0);
 426         return bitmap;
 427 }
 428
 429 int main(int argc, char **argv)
 430 {
 431         GtkWidget *window;
 432         GError *err = NULL;
 433
 434         if (!gtk_init_with_args(&argc, &argv, NULL, NULL, NULL, &err)) {
 435                 fprintf(stderr, "%s\n", err->message);
 436                 return EXIT_FAILURE;
 437         }
 438
 439         archives = gtk_tree_store_new(3,
 440                 G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_UINT);
 441         while (*argv)
 442                 load_archive(*argv++);
 443
 444         builder = gtk_builder_new();
 445         if (!gtk_builder_add_from_file(builder, "src/gui/lbxgui.glade", &err)) {
 446                 fprintf(stderr, "%s\n", err->message);
 447                 return EXIT_FAILURE;
 448         }
 449
 450         window = GTK_WIDGET(gtk_builder_get_object(builder, "mainwindow"));
 451         canvas = GTK_WIDGET(gtk_builder_get_object(builder, "canvas"));
 452
 453         init_interface();
 454         gtk_builder_connect_signals(builder, window);
 455
 456         g_timeout_add(10, timeout, NULL);
 457         gtk_widget_show_all(window);
 458
 459         bg_gc = gdk_gc_new(canvas->window);
 460         init_background(canvas->window, bg_gc);
 461         gtk_main();
 462 }