forked from AuroraMiddleware/gtk
324 lines
10 KiB
C
324 lines
10 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2011 Alberto Ruiz <aruiz@gnome.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 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, 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 <stdlib.h>
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#include <glib/gprintf.h>
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#include <string.h>
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#include <atk/atk.h>
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#include "gtkfontchooserdialog.h"
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#include "gtkfontchooser.h"
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#include "gtkstock.h"
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#include "gtkintl.h"
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#include "gtkaccessible.h"
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#include "gtkbuildable.h"
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#include "gtkprivate.h"
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#include "gtkwidget.h"
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struct _GtkFontChooserDialogPrivate
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{
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GtkWidget *fontchooser;
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GtkWidget *select_button;
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GtkWidget *cancel_button;
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};
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/**
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* SECTION:gtkfontchooserdlg
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* @Short_description: A dialog box for selecting fonts
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* @Title: GtkFontChooserDialog
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* @See_also: #GtkFontChooser, #GtkDialog
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*
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* The #GtkFontChooserDialog widget is a dialog box for selecting a font.
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*
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* To set the font which is initially selected, use
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* gtk_font_chooser_dialog_set_font_name().
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*
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* To get the selected font use gtk_font_chooser_dialog_get_font_name().
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*
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* To change the text which is shown in the preview area, use
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* gtk_font_chooser_dialog_set_preview_text().
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*
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* <refsect2 id="GtkFontChooserDialog-BUILDER-UI">
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* <title>GtkFontChooserDialog as GtkBuildable</title>
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* The GtkFontChooserDialog implementation of the GtkBuildable interface
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* exposes the embedded #GtkFontChooser as internal child with the
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* name "font_chooser". It also exposes the buttons with the names
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* "select_button" and "cancel_button.
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* </refsect2>
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*
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* Since: 3.2
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*/
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static void gtk_font_chooser_dialog_buildable_interface_init (GtkBuildableIface *iface);
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static GObject *gtk_font_chooser_dialog_buildable_get_internal_child (GtkBuildable *buildable,
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GtkBuilder *builder,
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const gchar *childname);
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G_DEFINE_TYPE_WITH_CODE (GtkFontChooserDialog, gtk_font_chooser_dialog, GTK_TYPE_DIALOG,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
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gtk_font_chooser_dialog_buildable_interface_init))
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static GtkBuildableIface *parent_buildable_iface;
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static void
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gtk_font_chooser_dialog_class_init (GtkFontChooserDialogClass *klass)
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{
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g_type_class_add_private (klass, sizeof (GtkFontChooserDialogPrivate));
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}
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static void
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font_activated_cb (GtkFontChooser *fontchooser,
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const gchar *fontname,
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gpointer user_data)
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{
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GtkDialog *dialog = user_data;
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gtk_dialog_response (dialog, GTK_RESPONSE_OK);
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}
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static void
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gtk_font_chooser_dialog_init (GtkFontChooserDialog *fontchooserdiag)
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{
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GtkFontChooserDialogPrivate *priv;
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GtkDialog *dialog = GTK_DIALOG (fontchooserdiag);
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GtkWidget *action_area, *content_area;
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fontchooserdiag->priv = G_TYPE_INSTANCE_GET_PRIVATE (fontchooserdiag,
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GTK_TYPE_FONT_CHOOSER_DIALOG,
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GtkFontChooserDialogPrivate);
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priv = fontchooserdiag->priv;
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content_area = gtk_dialog_get_content_area (dialog);
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action_area = gtk_dialog_get_action_area (dialog);
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gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
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gtk_box_set_spacing (GTK_BOX (content_area), 2); /* 2 * 5 + 2 = 12 */
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gtk_container_set_border_width (GTK_CONTAINER (action_area), 5);
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gtk_box_set_spacing (GTK_BOX (action_area), 6);
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gtk_widget_push_composite_child ();
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gtk_window_set_resizable (GTK_WINDOW (fontchooserdiag), TRUE);
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/* Create the content area */
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priv->fontchooser = gtk_font_chooser_new ();
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gtk_container_set_border_width (GTK_CONTAINER (priv->fontchooser), 5);
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gtk_widget_show (priv->fontchooser);
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gtk_box_pack_start (GTK_BOX (content_area),
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priv->fontchooser, TRUE, TRUE, 0);
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g_signal_connect (priv->fontchooser, "font-activated",
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G_CALLBACK (font_activated_cb), dialog);
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/* Create the action area */
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priv->cancel_button = gtk_dialog_add_button (dialog,
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GTK_STOCK_CANCEL,
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GTK_RESPONSE_CANCEL);
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priv->select_button = gtk_dialog_add_button (dialog,
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_("_Select"),
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GTK_RESPONSE_OK);
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gtk_widget_grab_default (priv->select_button);
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gtk_dialog_set_alternative_button_order (GTK_DIALOG (fontchooserdiag),
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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gtk_window_set_title (GTK_WINDOW (fontchooserdiag), _("Font Selection"));
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gtk_widget_pop_composite_child ();
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}
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/** gtk_font_chooser_dialog_new:
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* @title: (allow-none): Title of the dialog, or %NULL
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* @parent: (allow-none): Trasient parent of the dialog, or %NULL
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*
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* Creates a new #GtkFontChooserDialog.
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*
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* Return value: a new #GtkFontChooserDialog
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*
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* Since: 3.2
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*/
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GtkWidget*
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gtk_font_chooser_dialog_new (const gchar *title,
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GtkWindow *parent)
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{
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GtkFontChooserDialog *dialog;
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dialog = g_object_new (GTK_TYPE_FONT_CHOOSER_DIALOG,
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"title", title,
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"transient-for", parent,
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NULL);
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return GTK_WIDGET (dialog);
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}
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/**
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* gtk_font_chooser_dialog_get_font_chooser:
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* @fcd: a #GtkFontChooserDialog
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*
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* Retrieves the #GtkFontChooser widget embedded in the dialog.
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*
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* Returns: (transfer none): the embedded #GtkFontChooser
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*
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* Since: 3.2
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*/
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GtkWidget*
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gtk_font_chooser_dialog_get_font_chooser (GtkFontChooserDialog *fcd)
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{
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER_DIALOG (fcd), NULL);
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return fcd->priv->fontchooser;
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}
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static void
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gtk_font_chooser_dialog_buildable_interface_init (GtkBuildableIface *iface)
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{
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parent_buildable_iface = g_type_interface_peek_parent (iface);
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iface->get_internal_child = gtk_font_chooser_dialog_buildable_get_internal_child;
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}
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static GObject *
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gtk_font_chooser_dialog_buildable_get_internal_child (GtkBuildable *buildable,
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GtkBuilder *builder,
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const gchar *childname)
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{
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GtkFontChooserDialogPrivate *priv;
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priv = GTK_FONT_CHOOSER_DIALOG (buildable)->priv;
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if (g_strcmp0 (childname, "select_button") == 0)
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return G_OBJECT (priv->select_button);
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else if (g_strcmp0 (childname, "cancel_button") == 0)
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return G_OBJECT (priv->cancel_button);
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else if (g_strcmp0 (childname, "font_chooser") == 0)
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return G_OBJECT (priv->fontchooser);
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return parent_buildable_iface->get_internal_child (buildable, builder, childname);
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}
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/**
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* gtk_font_chooser_dialog_get_font_name:
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* @fcd: a #GtkFontChooserDialog
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*
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* Gets the currently-selected font name.
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*
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* Note that this can be a different string than what you set with
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* gtk_font_chooser_dialog_set_font_name(), as the font chooser widget
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* may normalize font names and thus return a string with a different
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* structure. For example, "Helvetica Italic Bold 12" could be normalized
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* to "Helvetica Bold Italic 12".
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*
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* Use pango_font_description_equal() if you want to compare two
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* font descriptions.
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*
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* Return value: A string with the name of the current font, or %NULL
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* if no font is selected. You must free this string with g_free().
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*
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* Since: 3.2
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*/
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gchar*
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gtk_font_chooser_dialog_get_font_name (GtkFontChooserDialog *fcd)
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{
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GtkFontChooserDialogPrivate *priv;
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER_DIALOG (fcd), NULL);
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priv = fcd->priv;
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return gtk_font_chooser_get_font_name (GTK_FONT_CHOOSER (priv->fontchooser));
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}
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/**
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* gtk_font_chooser_dialog_set_font_name:
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* @fcd: a #GtkFontChooserDialog
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* @fontname: a font name like "Helvetica 12" or "Times Bold 18"
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*
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* Sets the currently selected font.
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*
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* Return value: %TRUE if the font selected in @fcd is now the
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* @fontname specified, %FALSE otherwise.
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*
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* Since: 3.2
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*/
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gboolean
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gtk_font_chooser_dialog_set_font_name (GtkFontChooserDialog *fcd,
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const gchar *fontname)
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{
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GtkFontChooserDialogPrivate *priv;
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER_DIALOG (fcd), FALSE);
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g_return_val_if_fail (fontname, FALSE);
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priv = fcd->priv;
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return gtk_font_chooser_set_font_name (GTK_FONT_CHOOSER (priv->fontchooser), fontname);
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}
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/**
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* gtk_font_chooser_dialog_get_preview_text:
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* @fcd: a #GtkFontChooserDialog
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*
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* Gets the text displayed in the preview area.
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*
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* Return value: the text displayed in the preview area.
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* This string is owned by the widget and should not be
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* modified or freed
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*
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* Since: 3.2
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*/
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const gchar*
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gtk_font_chooser_dialog_get_preview_text (GtkFontChooserDialog *fcd)
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{
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GtkFontChooserDialogPrivate *priv;
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g_return_val_if_fail (GTK_IS_FONT_CHOOSER_DIALOG (fcd), NULL);
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priv = fcd->priv;
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return gtk_font_chooser_get_preview_text (GTK_FONT_CHOOSER (priv->fontchooser));
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}
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/**
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* gtk_font_chooser_dialog_set_preview_text:
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* @fcd: a #GtkFontChooserDialog
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* @text: the text to display in the preview area
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*
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* Sets the text displayed in the preview area.
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*
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* Since: 3.2
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*/
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void
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gtk_font_chooser_dialog_set_preview_text (GtkFontChooserDialog *fcd,
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const gchar *text)
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{
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GtkFontChooserDialogPrivate *priv;
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g_return_if_fail (GTK_IS_FONT_CHOOSER_DIALOG (fcd));
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g_return_if_fail (text != NULL);
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priv = fcd->priv;
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gtk_font_chooser_set_preview_text (GTK_FONT_CHOOSER (priv->fontchooser), text);
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}
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