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/*
* OWL (OpenedHand Widget Library) Colour Button.
*
* Author: Rob Bradford <rob@openedhand.com>
*
* Copyright (C) 2007 OpenedHand Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "owlcolourbutton.h"
#include "owlcolourswatch.h"
#include "owlcolourselectordialog.h"
#include <gtk/gtk.h>
G_DEFINE_TYPE (OwlColourButton, owl_colour_button, GTK_TYPE_BUTTON);
#define COLOUR_BUTTON_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), OWL_TYPE_COLOUR_BUTTON, OwlColourButtonPrivate))
typedef struct _OwlColourButtonPrivate OwlColourButtonPrivate;
struct _OwlColourButtonPrivate
{
GtkWidget *swatch;
};
enum {
CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static void
owl_colour_button_get_property (GObject *object, guint property_id,
GValue *value, GParamSpec *pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
owl_colour_button_set_property (GObject *object, guint property_id,
const GValue *value, GParamSpec *pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
owl_colour_button_dispose (GObject *object)
{
if (G_OBJECT_CLASS (owl_colour_button_parent_class)->dispose)
G_OBJECT_CLASS (owl_colour_button_parent_class)->dispose (object);
}
static void
owl_colour_button_finalize (GObject *object)
{
G_OBJECT_CLASS (owl_colour_button_parent_class)->finalize (object);
}
static void
owl_colour_button_class_init (OwlColourButtonClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (OwlColourButtonPrivate));
object_class->get_property = owl_colour_button_get_property;
object_class->set_property = owl_colour_button_set_property;
object_class->dispose = owl_colour_button_dispose;
object_class->finalize = owl_colour_button_finalize;
signals[CHANGED] = g_signal_new ("changed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (OwlColourButtonClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
}
static void
button_clicked (GtkButton *button, gpointer user_data)
{
GtkWidget *dialog;
gint res;
guint32 colour;
OwlColourButtonPrivate *priv = COLOUR_BUTTON_PRIVATE (user_data);
dialog = owl_colour_selector_dialog_new ();
colour = owl_colour_button_get_colour (user_data);
owl_colour_selector_dialog_set_colour (OWL_COLOUR_SELECTOR_DIALOG (dialog), colour);
res = gtk_dialog_run (GTK_DIALOG(dialog));
switch (res)
{
case (GTK_RESPONSE_OK):
{
GtkWidget *swatch = priv->swatch;
colour = owl_colour_selector_dialog_get_colour (OWL_COLOUR_SELECTOR_DIALOG (dialog));
owl_colour_swatch_set_colour (OWL_COLOUR_SWATCH (swatch), colour);
g_signal_emit (user_data, signals[CHANGED], 0, colour);
}
case (GTK_RESPONSE_CANCEL):
default:
gtk_widget_destroy (dialog);
}
}
guint32
owl_colour_button_get_colour (OwlColourButton *self)
{
OwlColourButtonPrivate *priv = COLOUR_BUTTON_PRIVATE (self);
return owl_colour_swatch_get_colour (OWL_COLOUR_SWATCH(priv->swatch));
}
void
owl_colour_button_set_colour (OwlColourButton *self, guint32 colour)
{
OwlColourButtonPrivate *priv = COLOUR_BUTTON_PRIVATE (self);
owl_colour_swatch_set_colour (OWL_COLOUR_SWATCH (priv->swatch), colour);
}
static void
owl_colour_button_init (OwlColourButton *self)
{
OwlColourButtonPrivate *priv = COLOUR_BUTTON_PRIVATE (self);
GtkWidget *hbox;
GtkWidget *alignment;
hbox = gtk_hbox_new (FALSE, 0);
alignment = gtk_alignment_new (0.5, 0.5, 0.5, 0.5);
priv->swatch = owl_colour_swatch_new ();
gtk_container_add (GTK_CONTAINER (alignment), priv->swatch);
gtk_box_pack_start (GTK_BOX (hbox), alignment, TRUE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (self), hbox);
g_signal_connect (G_OBJECT (self), "clicked", (GCallback)button_clicked, self);
}
GtkWidget*
owl_colour_button_new (void)
{
return GTK_WIDGET(g_object_new (OWL_TYPE_COLOUR_BUTTON, NULL));
}
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