Pileus Git - ~andy/gtk/blob - gtk/gtkfontchooserdialog.c

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 2011 Alberto Ruiz <aruiz@gnome.org>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "config.h"
  19
  20 #include <stdlib.h>
  21 #include <glib/gprintf.h>
  22 #include <string.h>
  23
  24 #include <atk/atk.h>
  25
  26 #include "gtkfontchooserdialog.h"
  27 #include "gtkfontchooser.h"
  28 #include "gtkfontchooserwidget.h"
  29 #include "gtkfontchooserutils.h"
  30 #include "gtkbox.h"
  31 #include "gtkstock.h"
  32 #include "gtkintl.h"
  33 #include "gtkaccessible.h"
  34 #include "gtkbuildable.h"
  35 #include "gtkprivate.h"
  36 #include "gtkwidget.h"
  37
  38 struct _GtkFontChooserDialogPrivate
  39 {
  40   GtkWidget *fontchooser;
  41
  42   GtkWidget *select_button;
  43   GtkWidget *cancel_button;
  44 };
  45
  46 /**
  47  * SECTION:gtkfontchooserdialog
  48  * @Short_description: A dialog for selecting fonts
  49  * @Title: GtkFontChooserDialog
  50  * @See_also: #GtkFontChooser, #GtkDialog
  51  *
  52  * The #GtkFontChooserDialog widget is a dialog for selecting a font.
  53  * It implements the #GtkFontChooser interface.
  54  *
  55  * <refsect2 id="GtkFontChooserDialog-BUILDER-UI">
  56  * <title>GtkFontChooserDialog as GtkBuildable</title>
  57  * The GtkFontChooserDialog implementation of the GtkBuildable interface
  58  * exposes the buttons with the names
  59  * "select_button" and "cancel_button.
  60  * </refsect2>
  61  *
  62  * Since: 3.2
  63  */
  64
  65 static void     gtk_font_chooser_dialog_buildable_interface_init     (GtkBuildableIface *iface);
  66 static GObject *gtk_font_chooser_dialog_buildable_get_internal_child (GtkBuildable *buildable,
  67                                                                       GtkBuilder   *builder,
  68                                                                       const gchar  *childname);
  69
  70 G_DEFINE_TYPE_WITH_CODE (GtkFontChooserDialog, gtk_font_chooser_dialog, GTK_TYPE_DIALOG,
  71                          G_IMPLEMENT_INTERFACE (GTK_TYPE_FONT_CHOOSER,
  72                                                 _gtk_font_chooser_delegate_iface_init)
  73                          G_IMPLEMENT_INTERFACE (GTK_TYPE_BUILDABLE,
  74                                                 gtk_font_chooser_dialog_buildable_interface_init))
  75
  76 static GtkBuildableIface *parent_buildable_iface;
  77
  78 static void
  79 gtk_font_chooser_dialog_set_property (GObject      *object,
  80                                       guint         prop_id,
  81                                       const GValue *value,
  82                                       GParamSpec   *pspec)
  83 {
  84   GtkFontChooserDialog *dialog = GTK_FONT_CHOOSER_DIALOG (object);
  85   GtkFontChooserDialogPrivate *priv = dialog->priv;
  86
  87   switch (prop_id)
  88     {
  89     default:
  90       g_object_set_property (G_OBJECT (priv->fontchooser), pspec->name, value);
  91       break;
  92     }
  93 }
  94
  95 static void
  96 gtk_font_chooser_dialog_get_property (GObject      *object,
  97                                       guint         prop_id,
  98                                       GValue       *value,
  99                                       GParamSpec   *pspec)
 100 {
 101   GtkFontChooserDialog *dialog = GTK_FONT_CHOOSER_DIALOG (object);
 102   GtkFontChooserDialogPrivate *priv = dialog->priv;
 103
 104   switch (prop_id)
 105     {
 106     default:
 107       g_object_get_property (G_OBJECT (priv->fontchooser), pspec->name, value);
 108       break;
 109     }
 110 }
 111
 112 static void
 113 gtk_font_chooser_dialog_class_init (GtkFontChooserDialogClass *klass)
 114 {
 115   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 116
 117   gobject_class->get_property = gtk_font_chooser_dialog_get_property;
 118   gobject_class->set_property = gtk_font_chooser_dialog_set_property;
 119
 120   _gtk_font_chooser_install_properties (gobject_class);
 121
 122   g_type_class_add_private (klass, sizeof (GtkFontChooserDialogPrivate));
 123 }
 124
 125 static void
 126 font_activated_cb (GtkFontChooser *fontchooser,
 127                    const gchar    *fontname,
 128                    gpointer        user_data)
 129 {
 130   GtkDialog *dialog = user_data;
 131
 132   gtk_dialog_response (dialog, GTK_RESPONSE_OK);
 133 }
 134
 135 static void
 136 gtk_font_chooser_dialog_init (GtkFontChooserDialog *fontchooserdiag)
 137 {
 138   GtkFontChooserDialogPrivate *priv;
 139   GtkDialog *dialog = GTK_DIALOG (fontchooserdiag);
 140   GtkWidget *action_area, *content_area;
 141
 142   fontchooserdiag->priv = G_TYPE_INSTANCE_GET_PRIVATE (fontchooserdiag,
 143                                                        GTK_TYPE_FONT_CHOOSER_DIALOG,
 144                                                        GtkFontChooserDialogPrivate);
 145   priv = fontchooserdiag->priv;
 146
 147   content_area = gtk_dialog_get_content_area (dialog);
 148   action_area = gtk_dialog_get_action_area (dialog);
 149
 150   gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
 151   gtk_box_set_spacing (GTK_BOX (content_area), 2); /* 2 * 5 + 2 = 12 */
 152   gtk_container_set_border_width (GTK_CONTAINER (action_area), 5);
 153   gtk_box_set_spacing (GTK_BOX (action_area), 6);
 154
 155   gtk_widget_push_composite_child ();
 156
 157   gtk_window_set_resizable (GTK_WINDOW (fontchooserdiag), TRUE);
 158
 159   /* Create the content area */
 160   priv->fontchooser = gtk_font_chooser_widget_new ();
 161   gtk_container_set_border_width (GTK_CONTAINER (priv->fontchooser), 5);
 162   gtk_widget_show (priv->fontchooser);
 163   gtk_box_pack_start (GTK_BOX (content_area),
 164                       priv->fontchooser, TRUE, TRUE, 0);
 165
 166   g_signal_connect (priv->fontchooser, "font-activated",
 167                     G_CALLBACK (font_activated_cb), dialog);
 168
 169   /* Create the action area */
 170   priv->cancel_button = gtk_dialog_add_button (dialog,
 171                                                GTK_STOCK_CANCEL,
 172                                                GTK_RESPONSE_CANCEL);
 173   priv->select_button = gtk_dialog_add_button (dialog,
 174                                                _("_Select"),
 175                                                GTK_RESPONSE_OK);
 176   gtk_widget_grab_default (priv->select_button);
 177
 178   gtk_dialog_set_alternative_button_order (GTK_DIALOG (fontchooserdiag),
 179                                            GTK_RESPONSE_OK,
 180                                            GTK_RESPONSE_CANCEL,
 181                                            -1);
 182
 183   gtk_window_set_title (GTK_WINDOW (fontchooserdiag), _("Font Selection"));
 184
 185   gtk_widget_pop_composite_child ();
 186
 187   _gtk_font_chooser_set_delegate (GTK_FONT_CHOOSER (fontchooserdiag),
 188                                   GTK_FONT_CHOOSER (priv->fontchooser));
 189 }
 190
 191 /**
 192  * gtk_font_chooser_dialog_new:
 193  * @title: (allow-none): Title of the dialog, or %NULL
 194  * @parent: (allow-none): Transient parent of the dialog, or %NULL
 195  *
 196  * Creates a new #GtkFontChooserDialog.
 197  *
 198  * Return value: a new #GtkFontChooserDialog
 199  *
 200  * Since: 3.2
 201  */
 202 GtkWidget*
 203 gtk_font_chooser_dialog_new (const gchar *title,
 204                              GtkWindow   *parent)
 205 {
 206   GtkFontChooserDialog *dialog;
 207
 208   dialog = g_object_new (GTK_TYPE_FONT_CHOOSER_DIALOG,
 209                          "title", title,
 210                          "transient-for", parent,
 211                          NULL);
 212
 213   return GTK_WIDGET (dialog);
 214 }
 215
 216 static void
 217 gtk_font_chooser_dialog_buildable_interface_init (GtkBuildableIface *iface)
 218 {
 219   parent_buildable_iface = g_type_interface_peek_parent (iface);
 220   iface->get_internal_child = gtk_font_chooser_dialog_buildable_get_internal_child;
 221 }
 222
 223 static GObject *
 224 gtk_font_chooser_dialog_buildable_get_internal_child (GtkBuildable *buildable,
 225                                                       GtkBuilder   *builder,
 226                                                       const gchar  *childname)
 227 {
 228   GtkFontChooserDialogPrivate *priv;
 229
 230   priv = GTK_FONT_CHOOSER_DIALOG (buildable)->priv;
 231
 232   if (g_strcmp0 (childname, "select_button") == 0)
 233     return G_OBJECT (priv->select_button);
 234   else if (g_strcmp0 (childname, "cancel_button") == 0)
 235     return G_OBJECT (priv->cancel_button);
 236
 237   return parent_buildable_iface->get_internal_child (buildable, builder, childname);
 238 }