Pileus Git - ~andy/gtk/blob - demos/gtk-demo/tree_store.c

   1 /* Tree View/Tree Store
   2  *
   3  * The GtkTreeStore is used to store data in tree form, to be
   4  * used later on by a GtkTreeView to display it. This demo builds
   5  * a simple GtkTreeStore and displays it. If you're new to the
   6  * GtkTreeView widgets and associates, look into the GtkListStore
   7  * example first.
   8  *
   9  */
  10
  11 #include <config.h>
  12 #include <gtk/gtk.h>
  13
  14 static GtkWidget *window = NULL;
  15
  16 /* TreeItem structure */
  17 typedef struct _TreeItem TreeItem;
  18 struct _TreeItem
  19 {
  20   const gchar    *label;
  21   gboolean        alex;
  22   gboolean        havoc;
  23   gboolean        tim;
  24   gboolean        owen;
  25   gboolean        dave;
  26   gboolean        world_holiday; /* shared by the European hackers */
  27   TreeItem       *children;
  28 };
  29
  30 /* columns */
  31 enum
  32 {
  33   HOLIDAY_NAME_COLUMN = 0,
  34   ALEX_COLUMN,
  35   HAVOC_COLUMN,
  36   TIM_COLUMN,
  37   OWEN_COLUMN,
  38   DAVE_COLUMN,
  39
  40   VISIBLE_COLUMN,
  41   WORLD_COLUMN,
  42   NUM_COLUMNS
  43 };
  44
  45 /* tree data */
  46 static TreeItem january[] =
  47 {
  48   {"New Years Day", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
  49   {"Presidential Inauguration", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
  50   {"Martin Luther King Jr. day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
  51   { NULL }
  52 };
  53
  54 static TreeItem february[] =
  55 {
  56   { "Presidents' Day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
  57   { "Groundhog Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
  58   { "Valentine's Day", FALSE, FALSE, FALSE, FALSE, TRUE, TRUE, NULL },
  59   { NULL }
  60 };
  61
  62 static TreeItem march[] =
  63 {
  64   { "National Tree Planting Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
  65   { "St Patrick's Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
  66   { NULL }
  67 };
  68 static TreeItem april[] =
  69 {
  70   { "April Fools' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
  71   { "Army Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
  72   { "Earth Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
  73   { "Administrative Professionals' Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
  74   { NULL }
  75 };
  76
  77 static TreeItem may[] =
  78 {
  79   { "Nurses' Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
  80   { "National Day of Prayer", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
  81   { "Mothers' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
  82   { "Armed Forces Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
  83   { "Memorial Day", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
  84   { NULL }
  85 };
  86
  87 static TreeItem june[] =
  88 {
  89   { "June Fathers' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
  90   { "Juneteenth (Liberation of Slaves)", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
  91   { "Flag Day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
  92   { NULL }
  93 };
  94
  95 static TreeItem july[] =
  96 {
  97   { "Parents' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
  98   { "Independence Day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
  99   { NULL }
 100 };
 101
 102 static TreeItem august[] =
 103 {
 104   { "Air Force Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 105   { "Coast Guard Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 106   { "Friendship Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 107   { NULL }
 108 };
 109
 110 static TreeItem september[] =
 111 {
 112   { "Grandparents' Day", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
 113   { "Citizenship Day or Constitution Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 114   { "Labor Day", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
 115   { NULL }
 116 };
 117
 118 static TreeItem october[] =
 119 {
 120   { "National Children's Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 121   { "Bosses' Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 122   { "Sweetest Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 123   { "Mother-in-Law's Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 124   { "Navy Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 125   { "Columbus Day", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
 126   { "Halloween", FALSE, FALSE, FALSE, FALSE, FALSE, TRUE, NULL },
 127   { NULL }
 128 };
 129
 130 static TreeItem november[] =
 131 {
 132   { "Marine Corps Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 133   { "Veterans' Day", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
 134   { "Thanksgiving", FALSE, TRUE, FALSE, TRUE, FALSE, FALSE, NULL },
 135   { NULL }
 136 };
 137
 138 static TreeItem december[] =
 139 {
 140   { "Pearl Harbor Remembrance Day", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 141   { "Christmas", TRUE, TRUE, TRUE, TRUE, FALSE, TRUE, NULL },
 142   { "Kwanzaa", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, NULL },
 143   { NULL }
 144 };
 145
 146
 147 static TreeItem toplevel[] =
 148 {
 149   {"January", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, january},
 150   {"February", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, february},
 151   {"March", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, march},
 152   {"April", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, april},
 153   {"May", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, may},
 154   {"June", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, june},
 155   {"July", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, july},
 156   {"August", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, august},
 157   {"September", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, september},
 158   {"October", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, october},
 159   {"November", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, november},
 160   {"December", FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, december},
 161   {NULL}
 162 };
 163
 164
 165 static GtkTreeModel *
 166 create_model (void)
 167 {
 168   GtkTreeStore *model;
 169   GtkTreeIter iter;
 170   TreeItem *month = toplevel;
 171
 172   /* create tree store */
 173   model = gtk_tree_store_new (NUM_COLUMNS,
 174                               G_TYPE_STRING,
 175                               G_TYPE_BOOLEAN,
 176                               G_TYPE_BOOLEAN,
 177                               G_TYPE_BOOLEAN,
 178                               G_TYPE_BOOLEAN,
 179                               G_TYPE_BOOLEAN,
 180                               G_TYPE_BOOLEAN,
 181                               G_TYPE_BOOLEAN);
 182
 183   /* add data to the tree store */
 184   while (month->label)
 185     {
 186       TreeItem *holiday = month->children;
 187
 188       gtk_tree_store_append (model, &iter, NULL);
 189       gtk_tree_store_set (model, &iter,
 190                           HOLIDAY_NAME_COLUMN, month->label,
 191                           ALEX_COLUMN, FALSE,
 192                           HAVOC_COLUMN, FALSE,
 193                           TIM_COLUMN, FALSE,
 194                           OWEN_COLUMN, FALSE,
 195                           DAVE_COLUMN, FALSE,
 196                           VISIBLE_COLUMN, FALSE,
 197                           WORLD_COLUMN, FALSE,
 198                           -1);
 199
 200       /* add children */
 201       while (holiday->label)
 202         {
 203           GtkTreeIter child_iter;
 204
 205           gtk_tree_store_append (model, &child_iter, &iter);
 206           gtk_tree_store_set (model, &child_iter,
 207                               HOLIDAY_NAME_COLUMN, holiday->label,
 208                               ALEX_COLUMN, holiday->alex,
 209                               HAVOC_COLUMN, holiday->havoc,
 210                               TIM_COLUMN, holiday->tim,
 211                               OWEN_COLUMN, holiday->owen,
 212                               DAVE_COLUMN, holiday->dave,
 213                               VISIBLE_COLUMN, TRUE,
 214                               WORLD_COLUMN, holiday->world_holiday,
 215                               -1);
 216
 217           holiday++;
 218         }
 219
 220       month++;
 221     }
 222
 223   return GTK_TREE_MODEL (model);
 224 }
 225
 226 static void
 227 item_toggled (GtkCellRendererToggle *cell,
 228               gchar                 *path_str,
 229               gpointer               data)
 230 {
 231   GtkTreeModel *model = (GtkTreeModel *)data;
 232   GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
 233   GtkTreeIter iter;
 234   gboolean toggle_item;
 235
 236   gint *column;
 237
 238   column = g_object_get_data (G_OBJECT (cell), "column");
 239
 240   /* get toggled iter */
 241   gtk_tree_model_get_iter (model, &iter, path);
 242   gtk_tree_model_get (model, &iter, column, &toggle_item, -1);
 243
 244   /* do something with the value */
 245   toggle_item ^= 1;
 246
 247   /* set new value */
 248   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, column,
 249                       toggle_item, -1);
 250
 251   /* clean up */
 252   gtk_tree_path_free (path);
 253 }
 254
 255 static void
 256 add_columns (GtkTreeView *treeview)
 257 {
 258   gint col_offset;
 259   GtkCellRenderer *renderer;
 260   GtkTreeViewColumn *column;
 261   GtkTreeModel *model = gtk_tree_view_get_model (treeview);
 262
 263   /* column for holiday names */
 264   renderer = gtk_cell_renderer_text_new ();
 265   g_object_set (renderer, "xalign", 0.0, NULL);
 266
 267   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
 268                                                             -1, "Holiday",
 269                                                             renderer, "text",
 270                                                             HOLIDAY_NAME_COLUMN,
 271                                                             NULL);
 272   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
 273   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
 274
 275   /* alex column */
 276   renderer = gtk_cell_renderer_toggle_new ();
 277   g_object_set (renderer, "xalign", 0.0, NULL);
 278   g_object_set_data (G_OBJECT (renderer), "column", (gint *)ALEX_COLUMN);
 279
 280   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);
 281
 282   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
 283                                                             -1, "Alex",
 284                                                             renderer,
 285                                                             "active",
 286                                                             ALEX_COLUMN,
 287                                                             "visible",
 288                                                             VISIBLE_COLUMN,
 289                                                             "activatable",
 290                                                             WORLD_COLUMN, NULL);
 291
 292   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
 293   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
 294                                    GTK_TREE_VIEW_COLUMN_FIXED);
 295   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
 296   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
 297
 298   /* havoc column */
 299   renderer = gtk_cell_renderer_toggle_new ();
 300   g_object_set (renderer, "xalign", 0.0, NULL);
 301   g_object_set_data (G_OBJECT (renderer), "column", (gint *)HAVOC_COLUMN);
 302
 303   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);
 304
 305   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
 306                                                             -1, "Havoc",
 307                                                             renderer,
 308                                                             "active",
 309                                                             HAVOC_COLUMN,
 310                                                             "visible",
 311                                                             VISIBLE_COLUMN,
 312                                                             NULL);
 313
 314   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
 315   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
 316                                    GTK_TREE_VIEW_COLUMN_FIXED);
 317   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
 318   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
 319
 320   /* tim column */
 321   renderer = gtk_cell_renderer_toggle_new ();
 322   g_object_set (renderer, "xalign", 0.0, NULL);
 323   g_object_set_data (G_OBJECT (renderer), "column", (gint *)TIM_COLUMN);
 324
 325   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);
 326
 327   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
 328                                                             -1, "Tim",
 329                                                             renderer,
 330                                                             "active",
 331                                                             TIM_COLUMN,
 332                                                             "visible",
 333                                                             VISIBLE_COLUMN,
 334                                                             "activatable",
 335                                                             WORLD_COLUMN, NULL);
 336
 337   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
 338   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
 339                                    GTK_TREE_VIEW_COLUMN_FIXED);
 340   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
 341   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
 342
 343   /* owen column */
 344   renderer = gtk_cell_renderer_toggle_new ();
 345   g_object_set (renderer, "xalign", 0.0, NULL);
 346   g_object_set_data (G_OBJECT (renderer), "column", (gint *)OWEN_COLUMN);
 347
 348   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);
 349
 350   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
 351                                                             -1, "Owen",
 352                                                             renderer,
 353                                                             "active",
 354                                                             OWEN_COLUMN,
 355                                                             "visible",
 356                                                             VISIBLE_COLUMN,
 357                                                             NULL);
 358
 359   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
 360   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
 361                                    GTK_TREE_VIEW_COLUMN_FIXED);
 362   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
 363   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
 364
 365   /* dave column */
 366   renderer = gtk_cell_renderer_toggle_new ();
 367   g_object_set (renderer, "xalign", 0.0, NULL);
 368   g_object_set_data (G_OBJECT (renderer), "column", (gint *)DAVE_COLUMN);
 369
 370   g_signal_connect (renderer, "toggled", G_CALLBACK (item_toggled), model);
 371
 372   col_offset = gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
 373                                                             -1, "Dave",
 374                                                             renderer,
 375                                                             "active",
 376                                                             DAVE_COLUMN,
 377                                                             "visible",
 378                                                             VISIBLE_COLUMN,
 379                                                             NULL);
 380
 381   column = gtk_tree_view_get_column (GTK_TREE_VIEW (treeview), col_offset - 1);
 382   gtk_tree_view_column_set_sizing (GTK_TREE_VIEW_COLUMN (column),
 383                                    GTK_TREE_VIEW_COLUMN_FIXED);
 384   gtk_tree_view_column_set_fixed_width (GTK_TREE_VIEW_COLUMN (column), 50);
 385   gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);
 386 }
 387
 388 GtkWidget *
 389 do_tree_store (GtkWidget *do_widget)
 390 {
 391   if (!window)
 392     {
 393       GtkWidget *vbox;
 394       GtkWidget *sw;
 395       GtkWidget *treeview;
 396       GtkTreeModel *model;
 397
 398       /* create window, etc */
 399       window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 400       gtk_window_set_screen (GTK_WINDOW (window),
 401                              gtk_widget_get_screen (do_widget));
 402       gtk_window_set_title (GTK_WINDOW (window), "Card planning sheet");
 403       g_signal_connect (window, "destroy",
 404                         G_CALLBACK (gtk_widget_destroyed), &window);
 405
 406       vbox = gtk_vbox_new (FALSE, 8);
 407       gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
 408       gtk_container_add (GTK_CONTAINER (window), vbox);
 409
 410       gtk_box_pack_start (GTK_BOX (vbox),
 411                           gtk_label_new ("Jonathan's Holiday Card Planning Sheet"),
 412                           FALSE, FALSE, 0);
 413
 414       sw = gtk_scrolled_window_new (NULL, NULL);
 415       gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
 416                                            GTK_SHADOW_ETCHED_IN);
 417       gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
 418                                       GTK_POLICY_AUTOMATIC,
 419                                       GTK_POLICY_AUTOMATIC);
 420       gtk_box_pack_start (GTK_BOX (vbox), sw, TRUE, TRUE, 0);
 421
 422       /* create model */
 423       model = create_model ();
 424
 425       /* create tree view */
 426       treeview = gtk_tree_view_new_with_model (model);
 427       g_object_unref (model);
 428       gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (treeview), TRUE);
 429       gtk_tree_selection_set_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview)),
 430                                    GTK_SELECTION_MULTIPLE);
 431
 432       add_columns (GTK_TREE_VIEW (treeview));
 433
 434       gtk_container_add (GTK_CONTAINER (sw), treeview);
 435
 436       /* expand all rows after the treeview widget has been realized */
 437       g_signal_connect (treeview, "realize",
 438                         G_CALLBACK (gtk_tree_view_expand_all), NULL);
 439       gtk_window_set_default_size (GTK_WINDOW (window), 650, 400);
 440     }
 441
 442   if (!GTK_WIDGET_VISIBLE (window))
 443     gtk_widget_show_all (window);
 444   else
 445     {
 446       gtk_widget_destroy (window);
 447       window = NULL;
 448     }
 449
 450   return window;
 451 }