328 lines
10 KiB
C
328 lines
10 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2012 Red Hat, Inc.
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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 "gtkdialog.h"
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#include "gtkstock.h"
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#include "gtkbutton.h"
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#include "gtkbox.h"
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#include "gtkprivate.h"
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#include "gtkintl.h"
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#include "gtkcolorchooserprivate.h"
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#include "gtkcolorchooserdialog.h"
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#include "gtkcolorchooserwidget.h"
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/**
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* SECTION:gtkcolorchooserdialog
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* @Short_description: A dialog for choosing colors
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* @Title: GtkColorChooserDialog
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* @See_also: #GtkColorChooser, #GtkDialog
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*
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* The #GtkColorChooserDialog widget is a dialog for choosing
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* a color. It implements the #GtkColorChooser interface.
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*
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* Since: 3.4
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*/
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struct _GtkColorChooserDialogPrivate
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{
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GtkWidget *chooser;
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GtkWidget *select_button;
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GtkWidget *cancel_button;
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};
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enum
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{
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PROP_ZERO,
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PROP_RGBA,
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PROP_USE_ALPHA,
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PROP_SHOW_EDITOR
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};
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static void gtk_color_chooser_dialog_iface_init (GtkColorChooserInterface *iface);
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G_DEFINE_TYPE_WITH_CODE (GtkColorChooserDialog, gtk_color_chooser_dialog, GTK_TYPE_DIALOG,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_COLOR_CHOOSER,
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gtk_color_chooser_dialog_iface_init))
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static void
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propagate_notify (GObject *o,
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GParamSpec *pspec,
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GtkColorChooserDialog *cc)
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{
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g_object_notify (G_OBJECT (cc), pspec->name);
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}
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static void
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save_color (GtkColorChooserDialog *dialog)
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{
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GdkRGBA color;
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/* This causes the color chooser widget to save the
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* selected and custom colors to GSettings.
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*/
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gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (dialog), &color);
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gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (dialog), &color);
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}
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static void
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color_activated_cb (GtkColorChooser *chooser,
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GdkRGBA *color,
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GtkDialog *dialog)
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{
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save_color (GTK_COLOR_CHOOSER_DIALOG (dialog));
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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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selected_cb (GtkButton *button,
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GtkDialog *dialog)
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{
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save_color (GTK_COLOR_CHOOSER_DIALOG (dialog));
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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_color_chooser_dialog_init (GtkColorChooserDialog *cc)
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{
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GtkColorChooserDialogPrivate *priv;
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GtkDialog *dialog = GTK_DIALOG (cc);
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GtkWidget *action_area, *content_area;
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cc->priv = G_TYPE_INSTANCE_GET_PRIVATE (cc,
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GTK_TYPE_COLOR_CHOOSER_DIALOG,
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GtkColorChooserDialogPrivate);
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priv = cc->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 (cc), FALSE);
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/* Create the content area */
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priv->chooser = gtk_color_chooser_widget_new ();
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gtk_container_set_border_width (GTK_CONTAINER (priv->chooser), 5);
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gtk_widget_show (priv->chooser);
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gtk_box_pack_start (GTK_BOX (content_area),
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priv->chooser, TRUE, TRUE, 0);
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g_signal_connect (priv->chooser, "notify::rgba",
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G_CALLBACK (propagate_notify), cc);
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g_signal_connect (priv->chooser, "notify::show-editor",
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G_CALLBACK (propagate_notify), cc);
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g_signal_connect (priv->chooser, "color-activated",
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G_CALLBACK (color_activated_cb), cc);
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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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/* We emit the response for the Select button manually,
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* since we want to save the color first
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*/
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priv->select_button = gtk_button_new_from_stock (_("_Select"));
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g_signal_connect (priv->select_button, "clicked",
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G_CALLBACK (selected_cb), dialog);
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gtk_widget_set_can_default (priv->select_button, TRUE);
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gtk_widget_show (priv->select_button);
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gtk_box_pack_end (GTK_BOX (gtk_dialog_get_action_area (dialog)),
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priv->select_button, FALSE, TRUE, 0);
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gtk_widget_grab_default (priv->select_button);
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gtk_dialog_set_alternative_button_order (dialog,
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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 (cc), _("Select a Color"));
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gtk_widget_pop_composite_child ();
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}
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static void
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gtk_color_chooser_dialog_map (GtkWidget *widget)
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{
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/* We never want the dialog to come up with the editor,
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* even if it was showing the editor the last time it was used.
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*/
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g_object_set (GTK_COLOR_CHOOSER_DIALOG (widget)->priv->chooser,
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"show-editor", FALSE, NULL);
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GTK_WIDGET_CLASS (gtk_color_chooser_dialog_parent_class)->map (widget);
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}
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static void
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gtk_color_chooser_dialog_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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GtkColorChooserDialog *cd = GTK_COLOR_CHOOSER_DIALOG (object);
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GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
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switch (prop_id)
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{
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case PROP_RGBA:
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{
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GdkRGBA color;
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gtk_color_chooser_get_rgba (cc, &color);
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g_value_set_boxed (value, &color);
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}
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break;
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case PROP_USE_ALPHA:
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g_value_set_boolean (value, gtk_color_chooser_get_use_alpha (GTK_COLOR_CHOOSER (cd->priv->chooser)));
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break;
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case PROP_SHOW_EDITOR:
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{
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gboolean show_editor;
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g_object_get (cd->priv->chooser, "show-editor", &show_editor, NULL);
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g_value_set_boolean (value, show_editor);
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}
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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_color_chooser_dialog_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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GtkColorChooserDialog *cd = GTK_COLOR_CHOOSER_DIALOG (object);
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GtkColorChooser *cc = GTK_COLOR_CHOOSER (object);
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switch (prop_id)
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{
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case PROP_RGBA:
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gtk_color_chooser_set_rgba (cc, g_value_get_boxed (value));
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break;
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case PROP_USE_ALPHA:
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gtk_color_chooser_set_use_alpha (GTK_COLOR_CHOOSER (cd->priv->chooser), g_value_get_boolean (value));
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break;
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case PROP_SHOW_EDITOR:
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g_object_set (cd->priv->chooser,
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"show-editor", g_value_get_boolean (value),
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NULL);
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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_color_chooser_dialog_class_init (GtkColorChooserDialogClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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object_class->get_property = gtk_color_chooser_dialog_get_property;
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object_class->set_property = gtk_color_chooser_dialog_set_property;
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widget_class->map = gtk_color_chooser_dialog_map;
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g_object_class_override_property (object_class, PROP_RGBA, "rgba");
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g_object_class_override_property (object_class, PROP_USE_ALPHA, "use-alpha");
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g_object_class_install_property (object_class, PROP_SHOW_EDITOR,
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g_param_spec_boolean ("show-editor", P_("Show editor"), P_("Show editor"),
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FALSE, GTK_PARAM_READWRITE));
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g_type_class_add_private (class, sizeof (GtkColorChooserDialogPrivate));
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}
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static void
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gtk_color_chooser_dialog_get_rgba (GtkColorChooser *chooser,
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GdkRGBA *color)
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{
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GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
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gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (cc->priv->chooser), color);
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}
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static void
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gtk_color_chooser_dialog_set_rgba (GtkColorChooser *chooser,
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const GdkRGBA *color)
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{
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GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
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gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (cc->priv->chooser), color);
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}
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static void
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gtk_color_chooser_dialog_add_palette (GtkColorChooser *chooser,
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GtkOrientation orientation,
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gint colors_per_line,
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gint n_colors,
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GdkRGBA *colors)
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{
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GtkColorChooserDialog *cc = GTK_COLOR_CHOOSER_DIALOG (chooser);
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gtk_color_chooser_add_palette (GTK_COLOR_CHOOSER (cc->priv->chooser),
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orientation, colors_per_line, n_colors, colors);
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}
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static void
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gtk_color_chooser_dialog_iface_init (GtkColorChooserInterface *iface)
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{
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iface->get_rgba = gtk_color_chooser_dialog_get_rgba;
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iface->set_rgba = gtk_color_chooser_dialog_set_rgba;
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iface->add_palette = gtk_color_chooser_dialog_add_palette;
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}
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/**
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* gtk_color_chooser_dialog_new:
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* @title: (allow-none): Title of the dialog, or %NULL
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* @parent: (allow-none): Transient parent of the dialog, or %NULL
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*
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* Creates a new #GtkColorChooserDialog.
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*
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* Return value: a new #GtkColorChooserDialog
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*
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* Since: 3.4
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*/
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GtkWidget *
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gtk_color_chooser_dialog_new (const gchar *title,
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GtkWindow *parent)
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{
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GtkColorChooserDialog *dialog;
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dialog = g_object_new (GTK_TYPE_COLOR_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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