2010-05-19 15:27:47 +00:00
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/* GTK - The GIMP Toolkit
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*
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* Copyright (C) 2010 Christian Dywan
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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 "gtkcomboboxtext.h"
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#include "gtkcombobox.h"
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#include "gtkcellrenderertext.h"
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#include "gtkcelllayout.h"
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#include "gtkalias.h"
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2010-10-16 05:01:06 +00:00
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/**
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* SECTION:gtkcomboboxtext
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* @Short_description: A simple, text-only combo box
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* @Title: GtkComboBoxText
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* @See_also: @GtkComboBox
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*
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* A GtkComboBoxText is a simple variant of #GtkComboBox that hides
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* the model-view complexity for simple text-only use cases.
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*
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* To create a GtkComboBoxText, use gtk_combo_box_text_new() or
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* gtk_combo_box_text_new_with_entry().
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*
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* You can add items to a GtkComboBoxText with
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* gtk_combo_box_text_append_text(), gtk_combo_box_text_insert_text()
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* or gtk_combo_box_text_prepend_text() and remove options with
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* gtk_combo_box_text_remove_text().
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*/
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2010-05-19 15:27:47 +00:00
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G_DEFINE_TYPE (GtkComboBoxText, gtk_combo_box_text, GTK_TYPE_COMBO_BOX);
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2010-10-18 12:19:59 +00:00
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static GObject *
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gtk_combo_box_text_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_properties)
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2010-05-19 15:27:47 +00:00
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{
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2010-10-18 12:19:59 +00:00
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GObject *object;
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object = G_OBJECT_CLASS (gtk_combo_box_text_parent_class)->constructor
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(type, n_construct_properties, construct_properties);
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if (!gtk_combo_box_get_has_entry (GTK_COMBO_BOX (object)))
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{
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GtkCellRenderer *cell;
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cell = gtk_cell_renderer_text_new ();
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gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (object), cell, TRUE);
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gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (object), cell,
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"text", 0,
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NULL);
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}
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return object;
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2010-05-19 15:27:47 +00:00
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}
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static void
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gtk_combo_box_text_init (GtkComboBoxText *combo_box)
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{
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GtkListStore *store;
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store = gtk_list_store_new (1, G_TYPE_STRING);
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gtk_combo_box_set_model (GTK_COMBO_BOX (combo_box), GTK_TREE_MODEL (store));
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g_object_unref (store);
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2010-10-18 12:19:59 +00:00
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}
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2010-05-19 15:27:47 +00:00
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2010-10-18 12:19:59 +00:00
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static void
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gtk_combo_box_text_class_init (GtkComboBoxTextClass *klass)
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{
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GObjectClass *object_class;
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2010-10-16 12:03:58 +00:00
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2010-10-18 12:19:59 +00:00
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object_class = (GObjectClass *)klass;
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object_class->constructor = gtk_combo_box_text_constructor;
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2010-05-19 15:27:47 +00:00
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}
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2010-10-18 12:19:59 +00:00
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2010-05-19 15:27:47 +00:00
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/**
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* gtk_combo_box_text_new:
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*
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* Creates a new #GtkComboBoxText, which is a #GtkComboBox just displaying
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* strings. See gtk_combo_box_entry_new_with_text().
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*
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* Return value: A new #GtkComboBoxText
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*
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* Since: 2.24
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*/
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GtkWidget *
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gtk_combo_box_text_new (void)
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{
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2010-10-18 12:19:59 +00:00
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return g_object_new (GTK_TYPE_COMBO_BOX_TEXT,
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"entry-text-column", 0,
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NULL);
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2010-05-19 15:27:47 +00:00
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}
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/**
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* gtk_combo_box_text_new_with_entry:
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*
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* Creates a new #GtkComboBoxText, which is a #GtkComboBox just displaying
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* strings. The combo box created by this function has an entry.
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*
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* Return value: a new #GtkComboBoxText
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*
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* Since: 2.24
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*/
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GtkWidget *
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gtk_combo_box_text_new_with_entry (void)
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{
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return g_object_new (GTK_TYPE_COMBO_BOX_TEXT,
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"has-entry", TRUE,
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"entry-text-column", 0,
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NULL);
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2010-05-19 15:27:47 +00:00
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}
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/**
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* gtk_combo_box_text_append_text:
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* @combo_box: A #GtkComboBoxText
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* @text: A string
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*
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* Appends @string to the list of strings stored in @combo_box.
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*
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* Since: 2.24
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*/
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void
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gtk_combo_box_text_append_text (GtkComboBoxText *combo_box,
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const gchar *text)
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{
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GtkListStore *store;
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GtkTreeIter iter;
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gint text_column;
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gint column_type;
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g_return_if_fail (GTK_IS_COMBO_BOX_TEXT (combo_box));
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g_return_if_fail (text != NULL);
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store = GTK_LIST_STORE (gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box)));
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g_return_if_fail (GTK_IS_LIST_STORE (store));
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text_column = gtk_combo_box_get_entry_text_column (GTK_COMBO_BOX (combo_box));
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2010-10-16 12:03:58 +00:00
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g_return_if_fail (text_column == 0);
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2010-05-19 15:27:47 +00:00
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column_type = gtk_tree_model_get_column_type (GTK_TREE_MODEL (store), text_column);
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g_return_if_fail (column_type == G_TYPE_STRING);
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gtk_list_store_append (store, &iter);
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gtk_list_store_set (store, &iter, text_column, text, -1);
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}
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/**
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* gtk_combo_box_text_insert_text:
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* @combo_box: A #GtkComboBoxText
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* @position: An index to insert @text
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* @text: A string
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*
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* Inserts @string at @position in the list of strings stored in @combo_box.
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*
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* Since: 2.24
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*/
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void
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gtk_combo_box_text_insert_text (GtkComboBoxText *combo_box,
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gint position,
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const gchar *text)
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{
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GtkListStore *store;
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GtkTreeIter iter;
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gint text_column;
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gint column_type;
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g_return_if_fail (GTK_IS_COMBO_BOX_TEXT (combo_box));
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g_return_if_fail (position >= 0);
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g_return_if_fail (text != NULL);
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store = GTK_LIST_STORE (gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box)));
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g_return_if_fail (GTK_IS_LIST_STORE (store));
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text_column = gtk_combo_box_get_entry_text_column (GTK_COMBO_BOX (combo_box));
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column_type = gtk_tree_model_get_column_type (GTK_TREE_MODEL (store), text_column);
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g_return_if_fail (column_type == G_TYPE_STRING);
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gtk_list_store_insert (store, &iter, position);
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gtk_list_store_set (store, &iter, text_column, text, -1);
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}
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/**
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* gtk_combo_box_text_prepend_text:
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* @combo_box: A #GtkComboBox
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* @text: A string
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*
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* Prepends @string to the list of strings stored in @combo_box.
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*
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* Since: 2.24
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*/
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void
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gtk_combo_box_text_prepend_text (GtkComboBoxText *combo_box,
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const gchar *text)
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{
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GtkListStore *store;
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GtkTreeIter iter;
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gint text_column;
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gint column_type;
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g_return_if_fail (GTK_IS_COMBO_BOX_TEXT (combo_box));
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g_return_if_fail (text != NULL);
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store = GTK_LIST_STORE (gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box)));
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g_return_if_fail (GTK_IS_LIST_STORE (store));
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text_column = gtk_combo_box_get_entry_text_column (GTK_COMBO_BOX (combo_box));
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column_type = gtk_tree_model_get_column_type (GTK_TREE_MODEL (store), text_column);
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g_return_if_fail (column_type == G_TYPE_STRING);
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gtk_list_store_prepend (store, &iter);
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gtk_list_store_set (store, &iter, text_column, text, -1);
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}
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/**
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* gtk_combo_box_text_remove:
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* @combo_box: A #GtkComboBox
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* @position: Index of the item to remove
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*
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* Removes the string at @position from @combo_box.
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*
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* Since: 2.24
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*/
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void
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gtk_combo_box_text_remove (GtkComboBoxText *combo_box,
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gint position)
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{
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GtkTreeModel *model;
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GtkListStore *store;
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GtkTreeIter iter;
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g_return_if_fail (GTK_IS_COMBO_BOX_TEXT (combo_box));
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g_return_if_fail (position >= 0);
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model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
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store = GTK_LIST_STORE (model);
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g_return_if_fail (GTK_IS_LIST_STORE (store));
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if (gtk_tree_model_iter_nth_child (model, &iter, NULL, position))
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gtk_list_store_remove (store, &iter);
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}
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/**
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* gtk_combo_box_text_get_active_text:
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* @combo_box: A #GtkComboBoxText
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*
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* Returns the currently active string in @combo_box or %NULL if none
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* is selected.
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*
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* Returns: a newly allocated string containing the currently active text.
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* Must be freed with g_free().
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*
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* Since: 2.24
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*/
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gchar *
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gtk_combo_box_text_get_active_text (GtkComboBoxText *combo_box)
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{
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GtkTreeIter iter;
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gchar *text = NULL;
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g_return_val_if_fail (GTK_IS_COMBO_BOX_TEXT (combo_box), NULL);
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if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (combo_box), &iter))
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{
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GtkTreeModel *model;
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gint text_column;
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gint column_type;
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model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
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g_return_val_if_fail (GTK_IS_LIST_STORE (model), NULL);
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text_column = gtk_combo_box_get_entry_text_column (GTK_COMBO_BOX (combo_box));
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column_type = gtk_tree_model_get_column_type (model, text_column);
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g_return_val_if_fail (column_type == G_TYPE_STRING, NULL);
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gtk_tree_model_get (model, &iter, text_column, &text, -1);
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}
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return text;
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}
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#define __GTK_COMBO_BOX_TEXT_C__
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#include "gtkaliasdef.c"
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