mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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390 lines
12 KiB
C
390 lines
12 KiB
C
/* testtreeedit.c
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* Copyright (C) 2001 Red Hat, Inc
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* Author: Jonathan Blandford
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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typedef struct {
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const gchar *string;
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gboolean is_editable;
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gboolean is_sensitive;
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gint progress;
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} ListEntry;
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enum {
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STRING_COLUMN,
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IS_EDITABLE_COLUMN,
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IS_SENSITIVE_COLUMN,
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ICON_NAME_COLUMN,
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LAST_ICON_NAME_COLUMN,
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PROGRESS_COLUMN,
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NUM_COLUMNS
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};
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static ListEntry model_strings[] =
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{
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{"A simple string", TRUE, TRUE, 0 },
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{"Another string!", TRUE, TRUE, 10 },
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{"", TRUE, TRUE, 0 },
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{"Guess what, a third string. This one can't be edited", FALSE, TRUE, 47 },
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{"And then a fourth string. Neither can this", FALSE, TRUE, 48 },
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{"Multiline\nFun!", TRUE, FALSE, 75 },
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{ NULL }
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};
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static GtkTreeModel *
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create_model (void)
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{
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GtkTreeStore *model;
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GtkTreeIter iter;
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gint i;
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model = gtk_tree_store_new (NUM_COLUMNS,
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G_TYPE_STRING,
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G_TYPE_BOOLEAN,
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G_TYPE_BOOLEAN,
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G_TYPE_STRING,
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G_TYPE_STRING,
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G_TYPE_INT);
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for (i = 0; model_strings[i].string != NULL; i++)
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{
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gtk_tree_store_append (model, &iter, NULL);
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gtk_tree_store_set (model, &iter,
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STRING_COLUMN, model_strings[i].string,
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IS_EDITABLE_COLUMN, model_strings[i].is_editable,
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IS_SENSITIVE_COLUMN, model_strings[i].is_sensitive,
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ICON_NAME_COLUMN, "document-new",
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LAST_ICON_NAME_COLUMN, "edit-delete",
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PROGRESS_COLUMN, model_strings[i].progress,
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-1);
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}
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return GTK_TREE_MODEL (model);
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}
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static void
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editable_toggled (GtkCellRendererToggle *cell,
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gchar *path_string,
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gpointer data)
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{
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GtkTreeModel *model = GTK_TREE_MODEL (data);
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GtkTreeIter iter;
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GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
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gboolean value;
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gtk_tree_model_get_iter (model, &iter, path);
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gtk_tree_model_get (model, &iter, IS_EDITABLE_COLUMN, &value, -1);
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value = !value;
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gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_EDITABLE_COLUMN, value, -1);
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gtk_tree_path_free (path);
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}
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static void
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sensitive_toggled (GtkCellRendererToggle *cell,
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gchar *path_string,
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gpointer data)
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{
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GtkTreeModel *model = GTK_TREE_MODEL (data);
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GtkTreeIter iter;
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GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
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gboolean value;
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gtk_tree_model_get_iter (model, &iter, path);
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gtk_tree_model_get (model, &iter, IS_SENSITIVE_COLUMN, &value, -1);
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value = !value;
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gtk_tree_store_set (GTK_TREE_STORE (model), &iter, IS_SENSITIVE_COLUMN, value, -1);
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gtk_tree_path_free (path);
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}
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static void
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edited (GtkCellRendererText *cell,
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gchar *path_string,
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gchar *new_text,
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gpointer data)
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{
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GtkTreeModel *model = GTK_TREE_MODEL (data);
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GtkTreeIter iter;
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GtkTreePath *path = gtk_tree_path_new_from_string (path_string);
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gtk_tree_model_get_iter (model, &iter, path);
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gtk_tree_store_set (GTK_TREE_STORE (model), &iter, STRING_COLUMN, new_text, -1);
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gtk_tree_path_free (path);
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}
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static gboolean
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button_press_event (GtkWidget *widget, GdkEventButton *event, gpointer callback_data)
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{
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/* Deselect if people click outside any row. */
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if (!gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
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event->x, event->y, NULL, NULL, NULL, NULL)) {
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gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)));
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}
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/* Let the default code run in any case; it won't reselect anything. */
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return FALSE;
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}
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typedef struct {
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GtkCellArea *area;
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GtkCellRenderer *renderer;
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} CallbackData;
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static void
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align_cell_toggled (GtkToggleButton *toggle,
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CallbackData *data)
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{
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gboolean active = gtk_toggle_button_get_active (toggle);
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gtk_cell_area_cell_set (data->area, data->renderer, "align", active, NULL);
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}
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static void
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expand_cell_toggled (GtkToggleButton *toggle,
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CallbackData *data)
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{
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gboolean active = gtk_toggle_button_get_active (toggle);
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gtk_cell_area_cell_set (data->area, data->renderer, "expand", active, NULL);
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}
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static void
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fixed_cell_toggled (GtkToggleButton *toggle,
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CallbackData *data)
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{
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gboolean active = gtk_toggle_button_get_active (toggle);
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gtk_cell_area_cell_set (data->area, data->renderer, "fixed-size", active, NULL);
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}
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enum {
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CNTL_EXPAND,
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CNTL_ALIGN,
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CNTL_FIXED
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};
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static void
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create_control (GtkWidget *box, gint number, gint cntl, CallbackData *data)
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{
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GtkWidget *checkbutton;
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GCallback callback = NULL;
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gchar *name = NULL;
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switch (cntl)
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{
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case CNTL_EXPAND:
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name = g_strdup_printf ("Expand Cell #%d", number);
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callback = G_CALLBACK (expand_cell_toggled);
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break;
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case CNTL_ALIGN:
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name = g_strdup_printf ("Align Cell #%d", number);
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callback = G_CALLBACK (align_cell_toggled);
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break;
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case CNTL_FIXED:
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name = g_strdup_printf ("Fix size Cell #%d", number);
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callback = G_CALLBACK (fixed_cell_toggled);
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break;
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}
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checkbutton = gtk_check_button_new_with_label (name);
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gtk_widget_show (checkbutton);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton), cntl == CNTL_FIXED);
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gtk_box_pack_start (GTK_BOX (box), checkbutton, FALSE, FALSE);
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g_signal_connect (G_OBJECT (checkbutton), "toggled", callback, data);
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g_free (name);
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}
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gint
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main (gint argc, gchar **argv)
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{
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GtkWidget *window;
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GtkWidget *scrolled_window;
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GtkWidget *tree_view;
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GtkWidget *vbox, *hbox, *cntl_vbox;
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GtkTreeModel *tree_model;
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GtkCellRenderer *renderer;
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GtkTreeViewColumn *column;
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GtkCellArea *area;
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CallbackData callback[4];
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gtk_init (&argc, &argv);
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if (g_getenv ("RTL"))
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gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "GtkTreeView editing sample");
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g_signal_connect (window, "destroy", gtk_main_quit, NULL);
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
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gtk_widget_show (vbox);
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gtk_container_add (GTK_CONTAINER (window), vbox);
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scrolled_window = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window), GTK_SHADOW_ETCHED_IN);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
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GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
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gtk_box_pack_start (GTK_BOX (vbox), scrolled_window, TRUE, TRUE);
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tree_model = create_model ();
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tree_view = gtk_tree_view_new_with_model (tree_model);
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g_signal_connect (tree_view, "button_press_event", G_CALLBACK (button_press_event), NULL);
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gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), TRUE);
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column = gtk_tree_view_column_new ();
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gtk_tree_view_column_set_title (column, "String");
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area = gtk_cell_layout_get_area (GTK_CELL_LAYOUT (column));
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renderer = gtk_cell_renderer_pixbuf_new ();
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gtk_tree_view_column_pack_start (column, renderer, FALSE);
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gtk_tree_view_column_set_attributes (column, renderer,
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"icon-name", ICON_NAME_COLUMN,
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"sensitive", IS_SENSITIVE_COLUMN,
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NULL);
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callback[0].area = area;
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callback[0].renderer = renderer;
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renderer = gtk_cell_renderer_text_new ();
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gtk_tree_view_column_pack_start (column, renderer, FALSE);
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gtk_tree_view_column_set_attributes (column, renderer,
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"text", STRING_COLUMN,
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"editable", IS_EDITABLE_COLUMN,
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"sensitive", IS_SENSITIVE_COLUMN,
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NULL);
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callback[1].area = area;
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callback[1].renderer = renderer;
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g_signal_connect (renderer, "edited",
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G_CALLBACK (edited), tree_model);
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g_object_set (renderer,
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"placeholder-text", "Type here",
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NULL);
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renderer = gtk_cell_renderer_text_new ();
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gtk_tree_view_column_pack_start (column, renderer, FALSE);
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gtk_tree_view_column_set_attributes (column, renderer,
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"text", STRING_COLUMN,
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"editable", IS_EDITABLE_COLUMN,
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"sensitive", IS_SENSITIVE_COLUMN,
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NULL);
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callback[2].area = area;
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callback[2].renderer = renderer;
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g_signal_connect (renderer, "edited",
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G_CALLBACK (edited), tree_model);
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g_object_set (renderer,
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"placeholder-text", "Type here too",
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NULL);
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renderer = gtk_cell_renderer_pixbuf_new ();
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g_object_set (renderer,
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"xalign", 0.0,
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NULL);
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gtk_tree_view_column_pack_start (column, renderer, FALSE);
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gtk_tree_view_column_set_attributes (column, renderer,
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"icon-name", LAST_ICON_NAME_COLUMN,
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"sensitive", IS_SENSITIVE_COLUMN,
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NULL);
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callback[3].area = area;
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callback[3].renderer = renderer;
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gtk_tree_view_append_column (GTK_TREE_VIEW (tree_view), column);
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renderer = gtk_cell_renderer_toggle_new ();
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g_signal_connect (renderer, "toggled",
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G_CALLBACK (editable_toggled), tree_model);
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g_object_set (renderer,
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"xalign", 0.0,
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NULL);
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gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
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-1, "Editable",
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renderer,
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"active", IS_EDITABLE_COLUMN,
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NULL);
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renderer = gtk_cell_renderer_toggle_new ();
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g_signal_connect (renderer, "toggled",
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G_CALLBACK (sensitive_toggled), tree_model);
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g_object_set (renderer,
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"xalign", 0.0,
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NULL);
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gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
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-1, "Sensitive",
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renderer,
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"active", IS_SENSITIVE_COLUMN,
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NULL);
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renderer = gtk_cell_renderer_progress_new ();
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gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
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-1, "Progress",
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renderer,
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"value", PROGRESS_COLUMN,
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NULL);
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gtk_container_add (GTK_CONTAINER (scrolled_window), tree_view);
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gtk_window_set_default_size (GTK_WINDOW (window),
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800, 250);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_widget_show (hbox);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE);
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/* Alignment controls */
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cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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gtk_widget_show (cntl_vbox);
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gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE);
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create_control (cntl_vbox, 1, CNTL_ALIGN, &callback[0]);
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create_control (cntl_vbox, 2, CNTL_ALIGN, &callback[1]);
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create_control (cntl_vbox, 3, CNTL_ALIGN, &callback[2]);
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create_control (cntl_vbox, 4, CNTL_ALIGN, &callback[3]);
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/* Expand controls */
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cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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gtk_widget_show (cntl_vbox);
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gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE);
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create_control (cntl_vbox, 1, CNTL_EXPAND, &callback[0]);
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create_control (cntl_vbox, 2, CNTL_EXPAND, &callback[1]);
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create_control (cntl_vbox, 3, CNTL_EXPAND, &callback[2]);
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create_control (cntl_vbox, 4, CNTL_EXPAND, &callback[3]);
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/* Fixed controls */
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cntl_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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gtk_widget_show (cntl_vbox);
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gtk_box_pack_start (GTK_BOX (hbox), cntl_vbox, FALSE, FALSE);
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create_control (cntl_vbox, 1, CNTL_FIXED, &callback[0]);
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create_control (cntl_vbox, 2, CNTL_FIXED, &callback[1]);
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create_control (cntl_vbox, 3, CNTL_FIXED, &callback[2]);
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create_control (cntl_vbox, 4, CNTL_FIXED, &callback[3]);
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gtk_widget_show_all (window);
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gtk_main ();
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return 0;
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}
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