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, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "config.h"
  22 #include <gtk/gtk.h>
  23
  24 typedef struct {
  25   const gchar *string;
  26   gboolean is_editable;
  27   gboolean is_sensitive;
  28   gint progress;
  29 } ListEntry;
  30
  31 enum {
  32   STRING_COLUMN,
  33   IS_EDITABLE_COLUMN,
  34   IS_SENSITIVE_COLUMN,
  35   PIXBUF_COLUMN,
  36   LAST_PIXBUF_COLUMN,
  37   PROGRESS_COLUMN,
  38   NUM_COLUMNS
  39 };
  40
  41 static ListEntry model_strings[] =
  42 {
  43   {"A simple string", TRUE, TRUE, 0 },
  44   {"Another string!", TRUE, TRUE, 10 },
  45   {"Guess what, a third string. This one can't be edited", FALSE, TRUE, 47 },
  46   {"And then a fourth string. Neither can this", FALSE, TRUE, 48 },
  47   {"Multiline\nFun!", TRUE, FALSE, 75 },
  48   { NULL }
  49 };
  50
  51 static GtkTreeModel *
  52 create_model (void)
  53 {
  54   GtkTreeStore *model;
  55   GtkTreeIter iter;
  56   gint i;
  57   GdkPixbuf *foo, *bar;
  58   GtkWidget *blah;
  59
  60   blah = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  61   foo = gtk_widget_render_icon_pixbuf (blah, GTK_STOCK_NEW, GTK_ICON_SIZE_MENU);
  62   bar = gtk_widget_render_icon_pixbuf (blah, GTK_STOCK_DELETE, GTK_ICON_SIZE_MENU);
  63   gtk_widget_destroy (blah);
  64
  65   model = gtk_tree_store_new (NUM_COLUMNS,
  66                               G_TYPE_STRING,
  67                               G_TYPE_BOOLEAN,
  68                               G_TYPE_BOOLEAN,
  69                               GDK_TYPE_PIXBUF,
  70                               GDK_TYPE_PIXBUF,
  71                               G_TYPE_INT);
  72
  73   for (i = 0; model_strings[i].string != NULL; i++)
  74     {
  75       gtk_tree_store_append (model, &iter, NULL);
  76
  77       gtk_tree_store_set (model, &iter,
  78                           STRING_COLUMN, model_strings[i].string,
  79                           IS_EDITABLE_COLUMN, model_strings[i].is_editable,
  80                           IS_SENSITIVE_COLUMN, model_strings[i].is_sensitive,
  81                           PIXBUF_COLUMN, foo,
  82                           LAST_PIXBUF_COLUMN, bar,
  83                           PROGRESS_COLUMN, model_strings[i].progress,
  84                           -1);
  85     }
  86
  87   return GTK_TREE_MODEL (model);
  88 }
  89
  90 static void
  91 editable_toggled (GtkCellRendererToggle *cell,
  92                   gchar                 *path_string,
  93                   gpointer               data)
  94 {
  95   GtkTreeModel *model = GTK_TREE_MODEL (data);
  96   GtkTreeIter iter;
  97   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
  98   gboolean value;
  99
 100   gtk_tree_model_get_iter (model, &iter, path);
 101   gtk_tree_model_get (model, &iter, IS_EDITABLE_COLUMN, &value, -1);
 102
 103   value = !value;
 104   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_EDITABLE_COLUMN, value, -1);
 105
 106   gtk_tree_path_free (path);
 107 }
 108
 109 static void
 110 sensitive_toggled (GtkCellRendererToggle *cell,
 111                    gchar                 *path_string,
 112                    gpointer               data)
 113 {
 114   GtkTreeModel *model = GTK_TREE_MODEL (data);
 115   GtkTreeIter iter;
 116   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
 117   gboolean value;
 118
 119   gtk_tree_model_get_iter (model, &iter, path);
 120   gtk_tree_model_get (model, &iter, IS_SENSITIVE_COLUMN, &value, -1);
 121
 122   value = !value;
 123   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_SENSITIVE_COLUMN, value, -1);
 124
 125   gtk_tree_path_free (path);
 126 }
 127
 128 static void
 129 edited (GtkCellRendererText *cell,
 130         gchar               *path_string,
 131         gchar               *new_text,
 132         gpointer             data)
 133 {
 134   GtkTreeModel *model = GTK_TREE_MODEL (data);
 135   GtkTreeIter iter;
 136   GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
 137
 138   gtk_tree_model_get_iter (model, &iter, path);
 139   gtk_tree_store_set (GTK_TREE_STORE (model), &iter, STRING_COLUMN, new_text, -1);
 140
 141   gtk_tree_path_free (path);
 142 }
 143
 144 static gboolean
 145 button_press_event (GtkWidget *widget, GdkEventButton *event, gpointer callback_data)
 146 {
 147         /* Deselect if people click outside any row. */
 148         if (event->window == gtk_tree_view_get_bin_window (GTK_TREE_VIEW (widget))
 149             && !gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
 150                                                event->x, event->y, NULL, NULL, NULL, NULL)) {
 151                 gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)));
 152         }
 153
 154         /* Let the default code run in any case; it won't reselect anything. */
 155         return FALSE;
 156 }
 157
 158 typedef struct {
 159   GtkCellArea     *area;
 160   GtkCellRenderer *renderer;
 161 } CallbackData;
 162
 163 static void
 164 align_cell_toggled (GtkToggleButton  *toggle,
 165                     CallbackData     *data)
 166 {
 167   gboolean active = gtk_toggle_button_get_active (toggle);
 168
 169   gtk_cell_area_cell_set (data->area, data->renderer, "align", active, NULL);
 170 }
 171
 172 static void
 173 expand_cell_toggled (GtkToggleButton  *toggle,
 174                      CallbackData     *data)
 175 {
 176   gboolean active = gtk_toggle_button_get_active (toggle);
 177
 178   gtk_cell_area_cell_set (data->area, data->renderer, "expand", active, NULL);
 179 }
 180
 181 static void
 182 fixed_cell_toggled (GtkToggleButton  *toggle,
 183                     CallbackData     *data)
 184 {
 185   gboolean active = gtk_toggle_button_get_active (toggle);
 186
 187   gtk_cell_area_cell_set (data->area, data->renderer, "fixed-size", active, NULL);
 188 }
 189
 190 enum {
 191   CNTL_EXPAND,
 192   CNTL_ALIGN,
 193   CNTL_FIXED
 194 };
 195
 196 static void
 197 create_control (GtkWidget *box, gint number, gint cntl, CallbackData *data)
 198 {
 199   GtkWidget *checkbutton;
 200   GCallback  callback = NULL;
 201   gchar *name = NULL;
 202
 203   switch (cntl)
 204     {
 205     case CNTL_EXPAND:
 206       name = g_strdup_printf ("Expand Cell #%d", number);
 207       callback = G_CALLBACK (expand_cell_toggled);
 208       break;
 209     case CNTL_ALIGN:
 210       name = g_strdup_printf ("Align Cell #%d", number);
 211       callback = G_CALLBACK (align_cell_toggled);
 212       break;
 213     case CNTL_FIXED:
 214       name = g_strdup_printf ("Fix size Cell #%d", number);
 215       callback = G_CALLBACK (fixed_cell_toggled);
 216       break;
 217     }
 218
 219   checkbutton = gtk_check_button_new_with_label (name);
 220   gtk_widget_show (checkbutton);
 221   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton), cntl == CNTL_FIXED);
 222   gtk_box_pack_start (GTK_BOX (box), checkbutton, FALSE, FALSE, 0);
 223
 224   g_signal_connect (G_OBJECT (checkbutton), "toggled", callback, data);
 225   g_free (name);
 226 }
 227
 228 gint
 229 main (gint argc, gchar **argv)
 230 {
 231   GtkWidget *window;
 232   GtkWidget *scrolled_window;
 233   GtkWidget *tree_view;
 234   GtkWidget *vbox, *hbox, *cntl_vbox;
 235   GtkTreeModel *tree_model;
 236   GtkCellRenderer *renderer;
 237   GtkTreeViewColumn *column;
 238   GtkCellArea *area;
 239   CallbackData callback[4];
 240
 241   gtk_init (&argc, &argv);
 242
 243   if (g_getenv ("RTL"))
 244     gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
 245
 246   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
 247   gtk_window_set_title (GTK_WINDOW (window), "GtkTreeView editing sample");
 248   g_signal_connect (window, "destroy", gtk_main_quit, NULL);
 249
 250   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
 251   gtk_widget_show (vbox);
 252   gtk_container_add (GTK_CONTAINER (window), vbox);
 253
 254   scrolled_window = gtk_scrolled_window_new (NULL, NULL);
 255   gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window), GTK_SHADOW_ETCHED_IN);
 256   gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
 257                                   GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 258   gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE, 0);
 259
 260   tree_model = create_model ();
 261   tree_view = gtk_tree_view_new_with_model (tree_model);
 262   g_signal_connect (tree_view, "button_press_event", G_CALLBACK (button_press_event), NULL);
 263   gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (tree_view), TRUE);
 264   gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), TRUE);
 265
 266   column = gtk_tree_view_column_new ();
 267   gtk_tree_view_column_set_title (column, "String");
 268   area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
 269
 270   renderer = gtk_cell_renderer_pixbuf_new ();
 271   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 272   gtk_tree_view_column_set_attributes (column, renderer,
 273                                        "pixbuf", PIXBUF_COLUMN,
 274                                        "sensitive", IS_SENSITIVE_COLUMN,
 275                                        NULL);
 276   callback[0].area = area;
 277   callback[0].renderer = renderer;
 278
 279   renderer = gtk_cell_renderer_text_new ();
 280   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 281   gtk_tree_view_column_set_attributes (column, renderer,
 282                                        "text", STRING_COLUMN,
 283                                        "editable", IS_EDITABLE_COLUMN,
 284                                        "sensitive", IS_SENSITIVE_COLUMN,
 285                                        NULL);
 286   callback[1].area = area;
 287   callback[1].renderer = renderer;
 288   g_signal_connect (renderer, "edited",
 289                     G_CALLBACK (edited), tree_model);
 290
 291   renderer = gtk_cell_renderer_text_new ();
 292   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 293   gtk_tree_view_column_set_attributes (column, renderer,
 294                                        "text", STRING_COLUMN,
 295                                        "editable", IS_EDITABLE_COLUMN,
 296                                        "sensitive", IS_SENSITIVE_COLUMN,
 297                                        NULL);
 298   callback[2].area = area;
 299   callback[2].renderer = renderer;
 300   g_signal_connect (renderer, "edited",
 301                     G_CALLBACK (edited), tree_model);
 302
 303   renderer = gtk_cell_renderer_pixbuf_new ();
 304   g_object_set (renderer,
 305                 "xalign", 0.0,
 306                 NULL);
 307   gtk_tree_view_column_pack_start (column, renderer, FALSE);
 308   gtk_tree_view_column_set_attributes (column, renderer,
 309                                        "pixbuf", LAST_PIXBUF_COLUMN,
 310                                        "sensitive", IS_SENSITIVE_COLUMN,
 311                                        NULL);
 312   callback[3].area = area;
 313   callback[3].renderer = renderer;
 314
 315   gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
 316
 317   renderer = gtk_cell_renderer_toggle_new ();
 318   g_signal_connect (renderer, "toggled",
 319                     G_CALLBACK (editable_toggled), tree_model);
 320
 321   g_object_set (renderer,
 322                 "xalign", 0.0,
 323                 NULL);
 324   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
 325                                                -1, "Editable",
 326                                                renderer,
 327                                                "active", IS_EDITABLE_COLUMN,
 328                                                NULL);
 329
 330   renderer = gtk_cell_renderer_toggle_new ();
 331   g_signal_connect (renderer, "toggled",
 332                     G_CALLBACK (sensitive_toggled), tree_model);
 333
 334   g_object_set (renderer,
 335                 "xalign", 0.0,
 336                 NULL);
 337   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
 338                                                -1, "Sensitive",
 339                                                renderer,
 340                                                "active", IS_SENSITIVE_COLUMN,
 341                                                NULL);
 342
 343   renderer = gtk_cell_renderer_progress_new ();
 344   gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
 345                                                -1, "Progress",
 346                                                renderer,
 347                                                "value", PROGRESS_COLUMN,
 348                                                NULL);
 349
 350   gtk_container_add (GTK_CONTAINER (scrolled_window), tree_view);
 351
 352   gtk_window_set_default_size (GTK_WINDOW (window),
 353                                800, 250);
 354
 355   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
 356   gtk_widget_show (hbox);
 357   gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 358
 359   /* Alignment controls */
 360   cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 361   gtk_widget_show (cntl_vbox);
 362   gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
 363
 364   create_control (cntl_vbox, 1, CNTL_ALIGN, &callback[0]);
 365   create_control (cntl_vbox, 2, CNTL_ALIGN, &callback[1]);
 366   create_control (cntl_vbox, 3, CNTL_ALIGN, &callback[2]);
 367   create_control (cntl_vbox, 4, CNTL_ALIGN, &callback[3]);
 368
 369   /* Expand controls */
 370   cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 371   gtk_widget_show (cntl_vbox);
 372   gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
 373
 374   create_control (cntl_vbox, 1, CNTL_EXPAND, &callback[0]);
 375   create_control (cntl_vbox, 2, CNTL_EXPAND, &callback[1]);
 376   create_control (cntl_vbox, 3, CNTL_EXPAND, &callback[2]);
 377   create_control (cntl_vbox, 4, CNTL_EXPAND, &callback[3]);
 378
 379   /* Fixed controls */
 380   cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 381   gtk_widget_show (cntl_vbox);
 382   gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE, 0);
 383
 384   create_control (cntl_vbox, 1, CNTL_FIXED, &callback[0]);
 385   create_control (cntl_vbox, 2, CNTL_FIXED, &callback[1]);
 386   create_control (cntl_vbox, 3, CNTL_FIXED, &callback[2]);
 387   create_control (cntl_vbox, 4, CNTL_FIXED, &callback[3]);
 388
 389   gtk_widget_show_all (window);
 390   gtk_main ();
 391
 392   return 0;
 393 }