Pileus Git - ~andy/gtk/blob - tests/testtreeedit.c

   1 /* testtreeedit.c
   2  * Copyright (C) 2001 Red Hat, Inc
   3  * Author: Jonathan Blandford
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "config.h"
  20 #include <gtk/gtk.h>
  21
  22 typedef struct {
  23   const gchar *string;
  24   gboolean is_editable;
  25   gboolean is_sensitive;
  26   gint progress;
  27 } ListEntry;
  28
  29 enum {
  30   STRING_COLUMN,
  31   IS_EDITABLE_COLUMN,
  32   IS_SENSITIVE_COLUMN,
  33   PIXBUF_COLUMN,
  34   LAST_PIXBUF_COLUMN,
  35   PROGRESS_COLUMN,
  36   NUM_COLUMNS
  37 };
  38
  39 static ListEntry model_strings[] =
  40 {
  41   {"A simple string", TRUE, TRUE, 0 },
  42   {"Another string!", TRUE, TRUE, 10 },
  43   {"Guess what, a third string. This one can't be edited", FALSE, TRUE, 47 },
  44   {"And then a fourth string. Neither can this", FALSE, TRUE, 48 },
  45   {"Multiline\nFun!", TRUE, FALSE, 75 },
  46   { NULL }
  47 };
  48
  49 static GtkTreeModel *
  50 create_model (void)
  51 {
  52   GtkTreeStore *model;
  53   GtkTreeIter iter;
  54   gint i;
  55   GdkPixbuf *foo, *bar;
  56   GtkWidget *blah;
  57
  58   blah = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  59   foo = gtk_widget_render_icon_pixbuf (blah, GTK_STOCK_NEW, GTK_ICON_SIZE_MENU);
  60   bar = gtk_widget_render_icon_pixbuf (blah, GTK_STOCK_DELETE, GTK_ICON_SIZE_MENU);
  61   gtk_widget_destroy (blah);
  62
  63   model = gtk_tree_store_new (NUM_COLUMNS,
  64                               G_TYPE_STRING,
  65                               G_TYPE_BOOLEAN,
  66                               G_TYPE_BOOLEAN,
  67                               GDK_TYPE_PIXBUF,
  68                               GDK_TYPE_PIXBUF,
  69                               G_TYPE_INT);
  70
  71   for (i = 0; model_strings[i].string != NULL; i++)
  72     {
  73       gtk_tree_store_append (model, &iter, NULL);
  74
  75       gtk_tree_store_set (model, &iter,
  76                           STRING_COLUMN, model_strings[i].string,
  77                           IS_EDITABLE_COLUMN, model_strings[i].is_editable,
  78                           IS_SENSITIVE_COLUMN, model_strings[i].is_sensitive,
  79                           PIXBUF_COLUMN, foo,
  80                           LAST_PIXBUF_COLUMN, bar,
  81                           PROGRESS_COLUMN, model_strings[i].progress,
  82                           -1);
  83     }
  84
  85   return GTK_TREE_MODEL (model);
  86 }
  87
  88 static void
  89 editable_toggled (GtkCellRendererToggle *cell,
  90                   gchar                 *path_string,
  91                   gpointer               data)
  92 {
  93   GtkTreeModel *model = GTK_TREE_MODEL (data);
  94   GtkTreeIter iter;
  95   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
  96   gboolean value;
  97
  98   gtk_tree_model_get_iter (model, &iter, path);
  99   gtk_tree_model_get (model, &iter, IS_EDITABLE_COLUMN, &value, -1);
 100
 101   value = !value;
 102   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_EDITABLE_COLUMN, value, -1);
 103
 104   gtk_tree_path_free (path);
 105 }
 106
 107 static void
 108 sensitive_toggled (GtkCellRendererToggle *cell,
 109                    gchar                 *path_string,
 110                    gpointer               data)
 111 {
 112   GtkTreeModel *model = GTK_TREE_MODEL (data);
 113   GtkTreeIter iter;
 114   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
 115   gboolean value;
 116
 117   gtk_tree_model_get_iter (model, &iter, path);
 118   gtk_tree_model_get (model, &iter, IS_SENSITIVE_COLUMN, &value, -1);
 119
 120   value = !value;
 121   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_SENSITIVE_COLUMN, value, -1);
 122
 123   gtk_tree_path_free (path);
 124 }
 125
 126 static void
 127 edited (GtkCellRendererText *cell,
 128         gchar               *path_string,
 129         gchar               *new_text,
 130         gpointer             data)
 131 {
 132   GtkTreeModel *model = GTK_TREE_MODEL (data);
 133   GtkTreeIter iter;
 134   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
 135
 136   gtk_tree_model_get_iter (model, &iter, path);
 137   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, STRING_COLUMN, new_text, -1);
 138
 139   gtk_tree_path_free (path);
 140 }
 141
 142 static gboolean
 143 button_press_event (GtkWidget *widget, GdkEventButton *event, gpointer callback_data)
 144 {
 145         /* Deselect if people click outside any row. */
 146         if (event->window == gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget))
 147             && !gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
 148                                                event->x, event->y, NULL, NULL, NULL, NULL)) {
 149                 gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)));
 150         }
 151
 152         /* Let the default code run in any case; it won't reselect anything. */
 153         return FALSE;
 154 }
 155
 156 typedef struct {
 157   GtkCellArea     *area;
 158   GtkCellRenderer *renderer;
 159 } CallbackData;
 160
 161 static void
 162 align_cell_toggled (GtkToggleButton  *toggle,
 163                     CallbackData     *data)
 164 {
 165   gboolean active = gtk_toggle_button_get_active (toggle);
 166
 167   gtk_cell_area_cell_set (data->area, data->renderer, "align", active, NULL);
 168 }
 169
 170 static void
 171 expand_cell_toggled (GtkToggleButton  *toggle,
 172                      CallbackData     *data)
 173 {
 174   gboolean active = gtk_toggle_button_get_active (toggle);
 175
 176   gtk_cell_area_cell_set (data->area, data->renderer, "expand", active, NULL);
 177 }
 178
 179 static void
 180 fixed_cell_toggled (GtkToggleButton  *toggle,
 181                     CallbackData     *data)
 182 {
 183   gboolean active = gtk_toggle_button_get_active (toggle);
 184
 185   gtk_cell_area_cell_set (data->area, data->renderer, "fixed-size", active, NULL);
 186 }
 187
 188 enum {
 189   CNTL_EXPAND,
 190   CNTL_ALIGN,
 191   CNTL_FIXED
 192 };
 193
 194 static void
 195 create_control (GtkWidget *box, gint number, gint cntl, CallbackData *data)
 196 {
 197   GtkWidget *checkbutton;
 198   GCallback  callback = NULL;
 199   gchar *name = NULL;
 200
 201   switch (cntl)
 202     {
 203     case CNTL_EXPAND:
 204       name = g_strdup_printf ("Expand Cell #%d", number);
 205       callback = G_CALLBACK (expand_cell_toggled);
 206       break;
 207     case CNTL_ALIGN:
 208       name = g_strdup_printf ("Align Cell #%d", number);
 209       callback = G_CALLBACK (align_cell_toggled);
 210       break;
 211     case CNTL_FIXED:
 212       name = g_strdup_printf ("Fix size Cell #%d", number);
 213       callback = G_CALLBACK (fixed_cell_toggled);
 214       break;
 215     }
 216
 217   checkbutton = gtk_check_button_new_with_label (name);
 218   gtk_widget_show (checkbutton);
 219   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton), cntl == CNTL_FIXED);
 220   gtk_box_pack_start (GTK_BOX (box), checkbutton, FALSE, FALSE, 0);
 221
 222   g_signal_connect (G_OBJECT (checkbutton), "toggled", callback, data);
 223   g_free (name);
 224 }
 225
 226 gint
 227 main (gint argc, gchar **argv)
 228 {
 229   GtkWidget *window;
 230   GtkWidget *scrolled_window;
 231   GtkWidget *tree_view;
 232   GtkWidget *vbox, *hbox, *cntl_vbox;
 233   GtkTreeModel *tree_model;
 234   GtkCellRenderer *renderer;
 235   GtkTreeViewColumn *column;
 236   GtkCellArea *area;
 237   CallbackData callback[4];
 238
 239   gtk_init (&argc, &argv);
 240
 241   if (g_getenv ("RTL"))
 242     gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
 243
 244   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 245   gtk_window_set_title (GTK_WINDOW (window), "GtkTreeView editing sample");
 246   g_signal_connect (window, "destroy", gtk_main_quit, NULL);
 247
 248   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
 249   gtk_widget_show (vbox);
 250   gtk_container_add (GTK_CONTAINER (window), vbox);
 251
 252   scrolled_window = gtk_scrolled_window_new (NULL, NULL);
 253   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window), GTK_SHADOW_ETCHED_IN);
 254   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
 255                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 256   gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);
 257
 258   tree_model = create_model ();
 259   tree_view = gtk_tree_view_new_with_model (tree_model);
 260   g_signal_connect (tree_view, "button_press_event", G_CALLBACK (button_press_event), NULL);
 261   gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (tree_view), TRUE);
 262   gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), TRUE);
 263
 264   column = gtk_tree_view_column_new ();
 265   gtk_tree_view_column_set_title (column, "String");
 266   area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
 267
 268   renderer = gtk_cell_renderer_pixbuf_new ();
 269   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 270   gtk_tree_view_column_set_attributes (column, renderer,
 271                                        "pixbuf", PIXBUF_COLUMN,
 272                                        "sensitive", IS_SENSITIVE_COLUMN,
 273                                        NULL);
 274   callback[0].area = area;
 275   callback[0].renderer = renderer;
 276
 277   renderer = gtk_cell_renderer_text_new ();
 278   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 279   gtk_tree_view_column_set_attributes (column, renderer,
 280                                        "text", STRING_COLUMN,
 281                                        "editable", IS_EDITABLE_COLUMN,
 282                                        "sensitive", IS_SENSITIVE_COLUMN,
 283                                        NULL);
 284   callback[1].area = area;
 285   callback[1].renderer = renderer;
 286   g_signal_connect (renderer, "edited",
 287                     G_CALLBACK (edited), tree_model);
 288
 289   renderer = gtk_cell_renderer_text_new ();
 290   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 291   gtk_tree_view_column_set_attributes (column, renderer,
 292                                        "text", STRING_COLUMN,
 293                                        "editable", IS_EDITABLE_COLUMN,
 294                                        "sensitive", IS_SENSITIVE_COLUMN,
 295                                        NULL);
 296   callback[2].area = area;
 297   callback[2].renderer = renderer;
 298   g_signal_connect (renderer, "edited",
 299                     G_CALLBACK (edited), tree_model);
 300
 301   renderer = gtk_cell_renderer_pixbuf_new ();
 302   g_object_set (renderer,
 303                 "xalign", 0.0,
 304                 NULL);
 305   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 306   gtk_tree_view_column_set_attributes (column, renderer,
 307                                        "pixbuf", LAST_PIXBUF_COLUMN,
 308                                        "sensitive", IS_SENSITIVE_COLUMN,
 309                                        NULL);
 310   callback[3].area = area;
 311   callback[3].renderer = renderer;
 312
 313   gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
 314
 315   renderer = gtk_cell_renderer_toggle_new ();
 316   g_signal_connect (renderer, "toggled",
 317                     G_CALLBACK (editable_toggled), tree_model);
 318
 319   g_object_set (renderer,
 320                 "xalign", 0.0,
 321                 NULL);
 322   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
 323                                                -1, "Editable",
 324                                                renderer,
 325                                                "active", IS_EDITABLE_COLUMN,
 326                                                NULL);
 327
 328   renderer = gtk_cell_renderer_toggle_new ();
 329   g_signal_connect (renderer, "toggled",
 330                     G_CALLBACK (sensitive_toggled), tree_model);
 331
 332   g_object_set (renderer,
 333                 "xalign", 0.0,
 334                 NULL);
 335   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
 336                                                -1, "Sensitive",
 337                                                renderer,
 338                                                "active", IS_SENSITIVE_COLUMN,
 339                                                NULL);
 340
 341   renderer = gtk_cell_renderer_progress_new ();
 342   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
 343                                                -1, "Progress",
 344                                                renderer,
 345                                                "value", PROGRESS_COLUMN,
 346                                                NULL);
 347
 348   gtk_container_add (GTK_CONTAINER (scrolled_window), tree_view);
 349
 350   gtk_window_set_default_size (GTK_WINDOW (window),
 351                                800, 250);
 352
 353   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
 354   gtk_widget_show (hbox);
 355   gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 356
 357   /* Alignment controls */
 358   cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 359   gtk_widget_show (cntl_vbox);
 360   gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
 361
 362   create_control (cntl_vbox, 1, CNTL_ALIGN, &callback[0]);
 363   create_control (cntl_vbox, 2, CNTL_ALIGN, &callback[1]);
 364   create_control (cntl_vbox, 3, CNTL_ALIGN, &callback[2]);
 365   create_control (cntl_vbox, 4, CNTL_ALIGN, &callback[3]);
 366
 367   /* Expand controls */
 368   cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 369   gtk_widget_show (cntl_vbox);
 370   gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
 371
 372   create_control (cntl_vbox, 1, CNTL_EXPAND, &callback[0]);
 373   create_control (cntl_vbox, 2, CNTL_EXPAND, &callback[1]);
 374   create_control (cntl_vbox, 3, CNTL_EXPAND, &callback[2]);
 375   create_control (cntl_vbox, 4, CNTL_EXPAND, &callback[3]);
 376
 377   /* Fixed controls */
 378   cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 379   gtk_widget_show (cntl_vbox);
 380   gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
 381
 382   create_control (cntl_vbox, 1, CNTL_FIXED, &callback[0]);
 383   create_control (cntl_vbox, 2, CNTL_FIXED, &callback[1]);
 384   create_control (cntl_vbox, 3, CNTL_FIXED, &callback[2]);
 385   create_control (cntl_vbox, 4, CNTL_FIXED, &callback[3]);
 386
 387   gtk_widget_show_all (window);
 388   gtk_main ();
 389
 390   return 0;
 391 }