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   {"", TRUE, TRUE, 0 },
  44   {"Guess what, a third string. This one can't be edited", FALSE, TRUE, 47 },
  45   {"And then a fourth string. Neither can this", FALSE, TRUE, 48 },
  46   {"Multiline\nFun!", TRUE, FALSE, 75 },
  47   { NULL }
  48 };
  49
  50 static GtkTreeModel *
  51 create_model (void)
  52 {
  53   GtkTreeStore *model;
  54   GtkTreeIter iter;
  55   gint i;
  56   GdkPixbuf *foo, *bar;
  57   GtkWidget *blah;
  58
  59   blah = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  60   foo = gtk_widget_render_icon_pixbuf (blah, GTK_STOCK_NEW, GTK_ICON_SIZE_MENU);
  61   bar = gtk_widget_render_icon_pixbuf (blah, GTK_STOCK_DELETE, GTK_ICON_SIZE_MENU);
  62   gtk_widget_destroy (blah);
  63
  64   model = gtk_tree_store_new (NUM_COLUMNS,
  65                               G_TYPE_STRING,
  66                               G_TYPE_BOOLEAN,
  67                               G_TYPE_BOOLEAN,
  68                               GDK_TYPE_PIXBUF,
  69                               GDK_TYPE_PIXBUF,
  70                               G_TYPE_INT);
  71
  72   for (i = 0; model_strings[i].string != NULL; i++)
  73     {
  74       gtk_tree_store_append (model, &iter, NULL);
  75
  76       gtk_tree_store_set (model, &iter,
  77                           STRING_COLUMN, model_strings[i].string,
  78                           IS_EDITABLE_COLUMN, model_strings[i].is_editable,
  79                           IS_SENSITIVE_COLUMN, model_strings[i].is_sensitive,
  80                           PIXBUF_COLUMN, foo,
  81                           LAST_PIXBUF_COLUMN, bar,
  82                           PROGRESS_COLUMN, model_strings[i].progress,
  83                           -1);
  84     }
  85
  86   return GTK_TREE_MODEL (model);
  87 }
  88
  89 static void
  90 editable_toggled (GtkCellRendererToggle *cell,
  91                   gchar                 *path_string,
  92                   gpointer               data)
  93 {
  94   GtkTreeModel *model = GTK_TREE_MODEL (data);
  95   GtkTreeIter iter;
  96   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
  97   gboolean value;
  98
  99   gtk_tree_model_get_iter (model, &iter, path);
 100   gtk_tree_model_get (model, &iter, IS_EDITABLE_COLUMN, &value, -1);
 101
 102   value = !value;
 103   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_EDITABLE_COLUMN, value, -1);
 104
 105   gtk_tree_path_free (path);
 106 }
 107
 108 static void
 109 sensitive_toggled (GtkCellRendererToggle *cell,
 110                    gchar                 *path_string,
 111                    gpointer               data)
 112 {
 113   GtkTreeModel *model = GTK_TREE_MODEL (data);
 114   GtkTreeIter iter;
 115   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
 116   gboolean value;
 117
 118   gtk_tree_model_get_iter (model, &iter, path);
 119   gtk_tree_model_get (model, &iter, IS_SENSITIVE_COLUMN, &value, -1);
 120
 121   value = !value;
 122   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_SENSITIVE_COLUMN, value, -1);
 123
 124   gtk_tree_path_free (path);
 125 }
 126
 127 static void
 128 edited (GtkCellRendererText *cell,
 129         gchar               *path_string,
 130         gchar               *new_text,
 131         gpointer             data)
 132 {
 133   GtkTreeModel *model = GTK_TREE_MODEL (data);
 134   GtkTreeIter iter;
 135   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
 136
 137   gtk_tree_model_get_iter (model, &iter, path);
 138   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, STRING_COLUMN, new_text, -1);
 139
 140   gtk_tree_path_free (path);
 141 }
 142
 143 static gboolean
 144 button_press_event (GtkWidget *widget, GdkEventButton *event, gpointer callback_data)
 145 {
 146         /* Deselect if people click outside any row. */
 147         if (event->window == gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget))
 148             && !gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
 149                                                event->x, event->y, NULL, NULL, NULL, NULL)) {
 150                 gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)));
 151         }
 152
 153         /* Let the default code run in any case; it won't reselect anything. */
 154         return FALSE;
 155 }
 156
 157 typedef struct {
 158   GtkCellArea     *area;
 159   GtkCellRenderer *renderer;
 160 } CallbackData;
 161
 162 static void
 163 align_cell_toggled (GtkToggleButton  *toggle,
 164                     CallbackData     *data)
 165 {
 166   gboolean active = gtk_toggle_button_get_active (toggle);
 167
 168   gtk_cell_area_cell_set (data->area, data->renderer, "align", active, NULL);
 169 }
 170
 171 static void
 172 expand_cell_toggled (GtkToggleButton  *toggle,
 173                      CallbackData     *data)
 174 {
 175   gboolean active = gtk_toggle_button_get_active (toggle);
 176
 177   gtk_cell_area_cell_set (data->area, data->renderer, "expand", active, NULL);
 178 }
 179
 180 static void
 181 fixed_cell_toggled (GtkToggleButton  *toggle,
 182                     CallbackData     *data)
 183 {
 184   gboolean active = gtk_toggle_button_get_active (toggle);
 185
 186   gtk_cell_area_cell_set (data->area, data->renderer, "fixed-size", active, NULL);
 187 }
 188
 189 enum {
 190   CNTL_EXPAND,
 191   CNTL_ALIGN,
 192   CNTL_FIXED
 193 };
 194
 195 static void
 196 create_control (GtkWidget *box, gint number, gint cntl, CallbackData *data)
 197 {
 198   GtkWidget *checkbutton;
 199   GCallback  callback = NULL;
 200   gchar *name = NULL;
 201
 202   switch (cntl)
 203     {
 204     case CNTL_EXPAND:
 205       name = g_strdup_printf ("Expand Cell #%d", number);
 206       callback = G_CALLBACK (expand_cell_toggled);
 207       break;
 208     case CNTL_ALIGN:
 209       name = g_strdup_printf ("Align Cell #%d", number);
 210       callback = G_CALLBACK (align_cell_toggled);
 211       break;
 212     case CNTL_FIXED:
 213       name = g_strdup_printf ("Fix size Cell #%d", number);
 214       callback = G_CALLBACK (fixed_cell_toggled);
 215       break;
 216     }
 217
 218   checkbutton = gtk_check_button_new_with_label (name);
 219   gtk_widget_show (checkbutton);
 220   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton), cntl == CNTL_FIXED);
 221   gtk_box_pack_start (GTK_BOX (box), checkbutton, FALSE, FALSE, 0);
 222
 223   g_signal_connect (G_OBJECT (checkbutton), "toggled", callback, data);
 224   g_free (name);
 225 }
 226
 227 gint
 228 main (gint argc, gchar **argv)
 229 {
 230   GtkWidget *window;
 231   GtkWidget *scrolled_window;
 232   GtkWidget *tree_view;
 233   GtkWidget *vbox, *hbox, *cntl_vbox;
 234   GtkTreeModel *tree_model;
 235   GtkCellRenderer *renderer;
 236   GtkTreeViewColumn *column;
 237   GtkCellArea *area;
 238   CallbackData callback[4];
 239
 240   gtk_init (&argc, &argv);
 241
 242   if (g_getenv ("RTL"))
 243     gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
 244
 245   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 246   gtk_window_set_title (GTK_WINDOW (window), "GtkTreeView editing sample");
 247   g_signal_connect (window, "destroy", gtk_main_quit, NULL);
 248
 249   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
 250   gtk_widget_show (vbox);
 251   gtk_container_add (GTK_CONTAINER (window), vbox);
 252
 253   scrolled_window = gtk_scrolled_window_new (NULL, NULL);
 254   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window), GTK_SHADOW_ETCHED_IN);
 255   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
 256                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 257   gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);
 258
 259   tree_model = create_model ();
 260   tree_view = gtk_tree_view_new_with_model (tree_model);
 261   g_signal_connect (tree_view, "button_press_event", G_CALLBACK (button_press_event), NULL);
 262   gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (tree_view), TRUE);
 263   gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), TRUE);
 264
 265   column = gtk_tree_view_column_new ();
 266   gtk_tree_view_column_set_title (column, "String");
 267   area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
 268
 269   renderer = gtk_cell_renderer_pixbuf_new ();
 270   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 271   gtk_tree_view_column_set_attributes (column, renderer,
 272                                        "pixbuf", PIXBUF_COLUMN,
 273                                        "sensitive", IS_SENSITIVE_COLUMN,
 274                                        NULL);
 275   callback[0].area = area;
 276   callback[0].renderer = renderer;
 277
 278   renderer = gtk_cell_renderer_text_new ();
 279   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 280   gtk_tree_view_column_set_attributes (column, renderer,
 281                                        "text", STRING_COLUMN,
 282                                        "editable", IS_EDITABLE_COLUMN,
 283                                        "sensitive", IS_SENSITIVE_COLUMN,
 284                                        NULL);
 285   callback[1].area = area;
 286   callback[1].renderer = renderer;
 287   g_signal_connect (renderer, "edited",
 288                     G_CALLBACK (edited), tree_model);
 289   g_object_set (renderer,
 290                 "placeholder-text", "Type here",
 291                 NULL);
 292
 293   renderer = gtk_cell_renderer_text_new ();
 294   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 295   gtk_tree_view_column_set_attributes (column, renderer,
 296                                        "text", STRING_COLUMN,
 297                                        "editable", IS_EDITABLE_COLUMN,
 298                                        "sensitive", IS_SENSITIVE_COLUMN,
 299                                        NULL);
 300   callback[2].area = area;
 301   callback[2].renderer = renderer;
 302   g_signal_connect (renderer, "edited",
 303                     G_CALLBACK (edited), tree_model);
 304   g_object_set (renderer,
 305                 "placeholder-text", "Type here too",
 306                 NULL);
 307
 308   renderer = gtk_cell_renderer_pixbuf_new ();
 309   g_object_set (renderer,
 310                 "xalign", 0.0,
 311                 NULL);
 312   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 313   gtk_tree_view_column_set_attributes (column, renderer,
 314                                        "pixbuf", LAST_PIXBUF_COLUMN,
 315                                        "sensitive", IS_SENSITIVE_COLUMN,
 316                                        NULL);
 317   callback[3].area = area;
 318   callback[3].renderer = renderer;
 319
 320   gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
 321
 322   renderer = gtk_cell_renderer_toggle_new ();
 323   g_signal_connect (renderer, "toggled",
 324                     G_CALLBACK (editable_toggled), tree_model);
 325
 326   g_object_set (renderer,
 327                 "xalign", 0.0,
 328                 NULL);
 329   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
 330                                                -1, "Editable",
 331                                                renderer,
 332                                                "active", IS_EDITABLE_COLUMN,
 333                                                NULL);
 334
 335   renderer = gtk_cell_renderer_toggle_new ();
 336   g_signal_connect (renderer, "toggled",
 337                     G_CALLBACK (sensitive_toggled), tree_model);
 338
 339   g_object_set (renderer,
 340                 "xalign", 0.0,
 341                 NULL);
 342   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
 343                                                -1, "Sensitive",
 344                                                renderer,
 345                                                "active", IS_SENSITIVE_COLUMN,
 346                                                NULL);
 347
 348   renderer = gtk_cell_renderer_progress_new ();
 349   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
 350                                                -1, "Progress",
 351                                                renderer,
 352                                                "value", PROGRESS_COLUMN,
 353                                                NULL);
 354
 355   gtk_container_add (GTK_CONTAINER (scrolled_window), tree_view);
 356
 357   gtk_window_set_default_size (GTK_WINDOW (window),
 358                                800, 250);
 359
 360   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
 361   gtk_widget_show (hbox);
 362   gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 363
 364   /* Alignment controls */
 365   cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 366   gtk_widget_show (cntl_vbox);
 367   gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
 368
 369   create_control (cntl_vbox, 1, CNTL_ALIGN, &callback[0]);
 370   create_control (cntl_vbox, 2, CNTL_ALIGN, &callback[1]);
 371   create_control (cntl_vbox, 3, CNTL_ALIGN, &callback[2]);
 372   create_control (cntl_vbox, 4, CNTL_ALIGN, &callback[3]);
 373
 374   /* Expand controls */
 375   cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 376   gtk_widget_show (cntl_vbox);
 377   gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
 378
 379   create_control (cntl_vbox, 1, CNTL_EXPAND, &callback[0]);
 380   create_control (cntl_vbox, 2, CNTL_EXPAND, &callback[1]);
 381   create_control (cntl_vbox, 3, CNTL_EXPAND, &callback[2]);
 382   create_control (cntl_vbox, 4, CNTL_EXPAND, &callback[3]);
 383
 384   /* Fixed controls */
 385   cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 386   gtk_widget_show (cntl_vbox);
 387   gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
 388
 389   create_control (cntl_vbox, 1, CNTL_FIXED, &callback[0]);
 390   create_control (cntl_vbox, 2, CNTL_FIXED, &callback[1]);
 391   create_control (cntl_vbox, 3, CNTL_FIXED, &callback[2]);
 392   create_control (cntl_vbox, 4, CNTL_FIXED, &callback[3]);
 393
 394   gtk_widget_show_all (window);
 395   gtk_main ();
 396
 397   return 0;
 398 }