94eec04267
2005-09-01 Matthias Clasen <mclasen@redhat.com> * gdk/*.c: Intern some more strings. * gtk/gtkintl.h: * gtk/*.c: Define an I_() macro and use it instead of the bulky g_intern_static_string().
416 lines
13 KiB
C
416 lines
13 KiB
C
/* gtkcomboboxentry.c
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* Copyright (C) 2002, 2003 Kristian Rietveld <kris@gtk.org>
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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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <config.h>
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#include "gtkcomboboxentry.h"
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#include "gtkcelllayout.h"
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#include "gtkentry.h"
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#include "gtkcellrenderertext.h"
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#include "gtkprivate.h"
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#include "gtkintl.h"
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#include "gtkalias.h"
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#define GTK_COMBO_BOX_ENTRY_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_COMBO_BOX_ENTRY, GtkComboBoxEntryPrivate))
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struct _GtkComboBoxEntryPrivate
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{
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GtkWidget *entry;
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GtkCellRenderer *text_renderer;
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gint text_column;
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};
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static void gtk_combo_box_entry_class_init (GtkComboBoxEntryClass *klass);
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static void gtk_combo_box_entry_init (GtkComboBoxEntry *entry_box);
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static void gtk_combo_box_entry_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_combo_box_entry_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static gchar *gtk_combo_box_entry_get_active_text (GtkComboBox *combo_box);
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static void gtk_combo_box_entry_active_changed (GtkComboBox *combo_box,
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gpointer user_data);
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static void gtk_combo_box_entry_contents_changed (GtkEntry *entry,
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gpointer user_data);
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static gboolean gtk_combo_box_entry_mnemonic_activate (GtkWidget *entry,
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gboolean group_cycling);
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static void gtk_combo_box_entry_grab_focus (GtkWidget *widget);
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static void has_frame_changed (GtkComboBoxEntry *entry_box,
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GParamSpec *pspec,
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gpointer data);
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enum
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{
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PROP_0,
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PROP_TEXT_COLUMN
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};
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GType
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gtk_combo_box_entry_get_type (void)
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{
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static GType combo_box_entry_type = 0;
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if (!combo_box_entry_type)
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{
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static const GTypeInfo combo_box_entry_info =
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{
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sizeof (GtkComboBoxEntryClass),
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NULL, /* base_init */
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NULL, /* base_finalize */
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(GClassInitFunc) gtk_combo_box_entry_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GtkComboBoxEntry),
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0,
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(GInstanceInitFunc) gtk_combo_box_entry_init
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};
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combo_box_entry_type = g_type_register_static (GTK_TYPE_COMBO_BOX,
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I_("GtkComboBoxEntry"),
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&combo_box_entry_info,
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0);
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}
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return combo_box_entry_type;
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}
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static void
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gtk_combo_box_entry_class_init (GtkComboBoxEntryClass *klass)
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{
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GObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkComboBoxClass *combo_class;
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object_class = (GObjectClass *)klass;
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object_class->set_property = gtk_combo_box_entry_set_property;
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object_class->get_property = gtk_combo_box_entry_get_property;
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widget_class = (GtkWidgetClass *)klass;
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widget_class->mnemonic_activate = gtk_combo_box_entry_mnemonic_activate;
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widget_class->grab_focus = gtk_combo_box_entry_grab_focus;
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combo_class = (GtkComboBoxClass *)klass;
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combo_class->get_active_text = gtk_combo_box_entry_get_active_text;
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g_object_class_install_property (object_class,
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PROP_TEXT_COLUMN,
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g_param_spec_int ("text-column",
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P_("Text Column"),
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P_("A column in the data source model to get the strings from"),
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-1,
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G_MAXINT,
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-1,
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GTK_PARAM_READWRITE));
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g_type_class_add_private ((GObjectClass *) klass,
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sizeof (GtkComboBoxEntryPrivate));
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}
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static void
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gtk_combo_box_entry_init (GtkComboBoxEntry *entry_box)
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{
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entry_box->priv = GTK_COMBO_BOX_ENTRY_GET_PRIVATE (entry_box);
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entry_box->priv->text_column = -1;
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entry_box->priv->entry = gtk_entry_new ();
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/* this flag is a hack to tell the entry to fill its allocation.
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*/
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GTK_ENTRY (entry_box->priv->entry)->is_cell_renderer = TRUE;
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gtk_container_add (GTK_CONTAINER (entry_box), entry_box->priv->entry);
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gtk_widget_show (entry_box->priv->entry);
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entry_box->priv->text_renderer = gtk_cell_renderer_text_new ();
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gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (entry_box),
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entry_box->priv->text_renderer, TRUE);
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gtk_combo_box_set_active (GTK_COMBO_BOX (entry_box), -1);
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g_signal_connect (entry_box->priv->entry, "changed",
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G_CALLBACK (gtk_combo_box_entry_contents_changed),
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entry_box);
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g_signal_connect (entry_box, "changed",
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G_CALLBACK (gtk_combo_box_entry_active_changed), NULL);
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has_frame_changed (entry_box, NULL, NULL);
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g_signal_connect (entry_box, "notify::has-frame", G_CALLBACK (has_frame_changed), NULL);
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}
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static void
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gtk_combo_box_entry_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GtkComboBoxEntry *entry_box = GTK_COMBO_BOX_ENTRY (object);
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switch (prop_id)
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{
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case PROP_TEXT_COLUMN:
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gtk_combo_box_entry_set_text_column (entry_box,
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g_value_get_int (value));
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break;
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default:
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break;
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}
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}
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static void
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gtk_combo_box_entry_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GtkComboBoxEntry *entry_box = GTK_COMBO_BOX_ENTRY (object);
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switch (prop_id)
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{
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case PROP_TEXT_COLUMN:
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g_value_set_int (value, entry_box->priv->text_column);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gtk_combo_box_entry_active_changed (GtkComboBox *combo_box,
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gpointer user_data)
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{
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GtkComboBoxEntry *entry_box = GTK_COMBO_BOX_ENTRY (combo_box);
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GtkTreeModel *model;
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GtkTreeIter iter;
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gchar *str = NULL;
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if (gtk_combo_box_get_active_iter (combo_box, &iter))
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{
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g_signal_handlers_block_by_func (entry_box->priv->entry,
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gtk_combo_box_entry_contents_changed,
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combo_box);
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model = gtk_combo_box_get_model (combo_box);
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gtk_tree_model_get (model, &iter,
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entry_box->priv->text_column, &str,
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-1);
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gtk_entry_set_text (GTK_ENTRY (entry_box->priv->entry), str);
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g_free (str);
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g_signal_handlers_unblock_by_func (entry_box->priv->entry,
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gtk_combo_box_entry_contents_changed,
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combo_box);
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}
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}
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static void
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has_frame_changed (GtkComboBoxEntry *entry_box,
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GParamSpec *pspec,
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gpointer data)
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{
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gboolean has_frame;
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g_object_get (entry_box, "has-frame", &has_frame, NULL);
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gtk_entry_set_has_frame (GTK_ENTRY (entry_box->priv->entry), has_frame);
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}
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static void
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gtk_combo_box_entry_contents_changed (GtkEntry *entry,
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gpointer user_data)
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{
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GtkComboBox *combo_box = GTK_COMBO_BOX (user_data);
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g_signal_handlers_block_by_func (combo_box,
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gtk_combo_box_entry_active_changed,
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NULL);
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gtk_combo_box_set_active (combo_box, -1);
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g_signal_handlers_unblock_by_func (combo_box,
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gtk_combo_box_entry_active_changed,
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NULL);
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}
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/* public API */
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/**
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* gtk_combo_box_entry_new:
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*
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* Creates a new #GtkComboBoxEntry which has a #GtkEntry as child. After
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* construction, you should set a model using gtk_combo_box_set_model() and a
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* text_column * using gtk_combo_box_entry_set_text_column().
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*
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* Return value: A new #GtkComboBoxEntry.
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*
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* Since: 2.4
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*/
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GtkWidget *
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gtk_combo_box_entry_new (void)
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{
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return g_object_new (gtk_combo_box_entry_get_type (), NULL);
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}
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/**
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* gtk_combo_box_entry_new_with_model:
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* @model: A #GtkTreeModel.
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* @text_column: A column in @model to get the strings from.
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*
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* Creates a new #GtkComboBoxEntry which has a #GtkEntry as child and a list
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* of strings as popup. You can get the #GtkEntry from a #GtkComboBoxEntry
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* using GTK_ENTRY (GTK_BIN (combo_box_entry)->child). To add and remove
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* strings from the list, just modify @model using its data manipulation
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* API.
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*
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* Return value: A new #GtkComboBoxEntry.
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*
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* Since: 2.4
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*/
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GtkWidget *
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gtk_combo_box_entry_new_with_model (GtkTreeModel *model,
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gint text_column)
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{
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GtkWidget *ret;
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g_return_val_if_fail (GTK_IS_TREE_MODEL (model), NULL);
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g_return_val_if_fail (text_column >= 0, NULL);
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g_return_val_if_fail (text_column < gtk_tree_model_get_n_columns (model), NULL);
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ret = g_object_new (gtk_combo_box_entry_get_type (),
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"model", model,
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"text-column", text_column,
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NULL);
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return ret;
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}
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/**
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* gtk_combo_box_entry_set_text_column:
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* @entry_box: A #GtkComboBoxEntry.
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* @text_column: A column in @model to get the strings from.
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*
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* Sets the model column which @entry_box should use to get strings from
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* to be @text_column.
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*
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* Since: 2.4.
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*/
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void
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gtk_combo_box_entry_set_text_column (GtkComboBoxEntry *entry_box,
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gint text_column)
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{
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g_return_if_fail (text_column >= 0);
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g_return_if_fail (text_column < gtk_tree_model_get_n_columns (gtk_combo_box_get_model (GTK_COMBO_BOX (entry_box))));
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g_return_if_fail (entry_box->priv->text_column == -1);
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entry_box->priv->text_column = text_column;
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gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (entry_box),
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entry_box->priv->text_renderer,
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"text", text_column,
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NULL);
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}
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/**
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* gtk_combo_box_entry_get_text_column:
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* @entry_box: A #GtkComboBoxEntry.
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*
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* Returns the column which @entry_box is using to get the strings from.
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*
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* Return value: A column in the data source model of @entry_box.
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*
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* Since: 2.4
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*/
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gint
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gtk_combo_box_entry_get_text_column (GtkComboBoxEntry *entry_box)
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{
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g_return_val_if_fail (GTK_IS_COMBO_BOX_ENTRY (entry_box), 0);
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return entry_box->priv->text_column;
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}
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static gboolean
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gtk_combo_box_entry_mnemonic_activate (GtkWidget *widget,
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gboolean group_cycling)
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{
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GtkComboBoxEntry *entry_box = GTK_COMBO_BOX_ENTRY (widget);
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gtk_widget_grab_focus (entry_box->priv->entry);
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return TRUE;
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}
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static void
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gtk_combo_box_entry_grab_focus (GtkWidget *widget)
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{
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GtkComboBoxEntry *entry_box = GTK_COMBO_BOX_ENTRY (widget);
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gtk_widget_grab_focus (entry_box->priv->entry);
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}
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/* convenience API for simple text combos */
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/**
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* gtk_combo_box_entry_new_text:
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*
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* Convenience function which constructs a new editable text combo box, which
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* is a #GtkComboBoxEntry just displaying strings. If you use this function to
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* create a text combo box, you should only manipulate its data source with
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* the following convenience functions: gtk_combo_box_append_text(),
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* gtk_combo_box_insert_text(), gtk_combo_box_prepend_text() and
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* gtk_combo_box_remove_text().
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*
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* Return value: A new text #GtkComboBoxEntry.
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*
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* Since: 2.4
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*/
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GtkWidget *
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gtk_combo_box_entry_new_text (void)
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{
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GtkWidget *entry_box;
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GtkListStore *store;
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store = gtk_list_store_new (1, G_TYPE_STRING);
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entry_box = gtk_combo_box_entry_new_with_model (GTK_TREE_MODEL (store), 0);
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g_object_unref (store);
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return entry_box;
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}
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static gchar *
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gtk_combo_box_entry_get_active_text (GtkComboBox *combo_box)
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{
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GtkComboBoxEntry *combo = GTK_COMBO_BOX_ENTRY (combo_box);
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if (combo->priv->entry)
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return g_strdup (gtk_entry_get_text (GTK_ENTRY (combo->priv->entry)));
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return NULL;
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}
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#define __GTK_COMBO_BOX_ENTRY_C__
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#include "gtkaliasdef.c"
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