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gimp/app/widgets/gimpviewablebutton.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpviewablebutton.c
* Copyright (C) 2003-2005 Michael Natterer <mitch@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpviewable.h"
#include "gimpcontainerpopup.h"
#include "gimpdialogfactory.h"
#include "gimppropwidgets.h"
#include "gimpviewrenderer.h"
#include "gimpviewablebutton.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_POPUP_VIEW_TYPE,
PROP_POPUP_VIEW_SIZE
};
static void gimp_viewable_button_finalize (GObject *object);
static void gimp_viewable_button_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_viewable_button_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gboolean gimp_viewable_button_scroll_event (GtkWidget *widget,
GdkEventScroll *sevent);
static void gimp_viewable_button_clicked (GtkButton *button);
static void gimp_viewable_button_popup_closed (GimpContainerPopup *popup,
GimpViewableButton *button);
G_DEFINE_TYPE (GimpViewableButton, gimp_viewable_button, GIMP_TYPE_BUTTON)
#define parent_class gimp_viewable_button_parent_class
static void
gimp_viewable_button_class_init (GimpViewableButtonClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkButtonClass *button_class = GTK_BUTTON_CLASS (klass);
object_class->finalize = gimp_viewable_button_finalize;
object_class->get_property = gimp_viewable_button_get_property;
object_class->set_property = gimp_viewable_button_set_property;
widget_class->scroll_event = gimp_viewable_button_scroll_event;
button_class->clicked = gimp_viewable_button_clicked;
g_object_class_install_property (object_class, PROP_POPUP_VIEW_TYPE,
g_param_spec_enum ("popup-view-type",
NULL, NULL,
GIMP_TYPE_VIEW_TYPE,
GIMP_VIEW_TYPE_LIST,
GIMP_PARAM_READWRITE));
g_object_class_install_property (object_class, PROP_POPUP_VIEW_SIZE,
g_param_spec_int ("popup-view-size",
NULL, NULL,
GIMP_VIEW_SIZE_TINY,
GIMP_VIEW_SIZE_GIGANTIC,
GIMP_VIEW_SIZE_SMALL,
GIMP_PARAM_READWRITE));
}
static void
gimp_viewable_button_init (GimpViewableButton *button)
{
button->popup_view_type = GIMP_VIEW_TYPE_LIST;
button->popup_view_size = GIMP_VIEW_SIZE_SMALL;
button->button_view_size = GIMP_VIEW_SIZE_SMALL;
button->view_border_width = 1;
}
static void
gimp_viewable_button_finalize (GObject *object)
{
GimpViewableButton *button = GIMP_VIEWABLE_BUTTON (object);
if (button->dialog_identifier)
{
g_free (button->dialog_identifier);
button->dialog_identifier = NULL;
}
if (button->dialog_stock_id)
{
g_free (button->dialog_stock_id);
button->dialog_stock_id = NULL;
}
if (button->dialog_tooltip)
{
g_free (button->dialog_tooltip);
button->dialog_tooltip = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_viewable_button_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpViewableButton *button = GIMP_VIEWABLE_BUTTON (object);
switch (property_id)
{
case PROP_POPUP_VIEW_TYPE:
gimp_viewable_button_set_view_type (button, g_value_get_enum (value));
break;
case PROP_POPUP_VIEW_SIZE:
gimp_viewable_button_set_view_size (button, g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_viewable_button_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpViewableButton *button = GIMP_VIEWABLE_BUTTON (object);
switch (property_id)
{
case PROP_POPUP_VIEW_TYPE:
g_value_set_enum (value, button->popup_view_type);
break;
case PROP_POPUP_VIEW_SIZE:
g_value_set_int (value, button->popup_view_size);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gboolean
gimp_viewable_button_scroll_event (GtkWidget *widget,
GdkEventScroll *sevent)
{
GimpViewableButton *button = GIMP_VIEWABLE_BUTTON (widget);
GimpObject *object;
gint index;
object = gimp_context_get_by_type (button->context,
button->container->children_type);
index = gimp_container_get_child_index (button->container, object);
if (index != -1)
{
gint n_children;
gint new_index = index;
n_children = gimp_container_num_children (button->container);
if (sevent->direction == GDK_SCROLL_UP)
{
if (index > 0)
new_index--;
else
new_index = n_children - 1;
}
else if (sevent->direction == GDK_SCROLL_DOWN)
{
if (index == (n_children - 1))
new_index = 0;
else
new_index++;
}
if (new_index != index)
{
object = gimp_container_get_child_by_index (button->container,
new_index);
if (object)
gimp_context_set_by_type (button->context,
button->container->children_type,
object);
}
}
return TRUE;
}
static void
gimp_viewable_button_clicked (GtkButton *button)
{
GimpViewableButton *viewable_button = GIMP_VIEWABLE_BUTTON (button);
GtkWidget *popup;
popup = gimp_container_popup_new (viewable_button->container,
viewable_button->context,
viewable_button->popup_view_type,
viewable_button->button_view_size,
viewable_button->popup_view_size,
viewable_button->view_border_width,
viewable_button->dialog_factory,
viewable_button->dialog_identifier,
viewable_button->dialog_stock_id,
viewable_button->dialog_tooltip);
g_signal_connect (popup, "cancel",
G_CALLBACK (gimp_viewable_button_popup_closed),
button);
g_signal_connect (popup, "confirm",
G_CALLBACK (gimp_viewable_button_popup_closed),
button);
gimp_container_popup_show (GIMP_CONTAINER_POPUP (popup), GTK_WIDGET (button));
}
static void
gimp_viewable_button_popup_closed (GimpContainerPopup *popup,
GimpViewableButton *button)
{
gimp_viewable_button_set_view_type (button,
gimp_container_popup_get_view_type (popup));
gimp_viewable_button_set_view_size (button,
gimp_container_popup_get_view_size (popup));
}
/* public functions */
GtkWidget *
gimp_viewable_button_new (GimpContainer *container,
GimpContext *context,
GimpViewType view_type,
gint button_view_size,
gint view_size,
gint view_border_width,
GimpDialogFactory *dialog_factory,
const gchar *dialog_identifier,
const gchar *dialog_stock_id,
const gchar *dialog_tooltip)
{
GimpViewableButton *button;
const gchar *prop_name;
g_return_val_if_fail (GIMP_IS_CONTAINER (container), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (view_size > 0 &&
view_size <= GIMP_VIEWABLE_MAX_BUTTON_SIZE, NULL);
g_return_val_if_fail (view_border_width >= 0 &&
view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
NULL);
g_return_val_if_fail (dialog_factory == NULL ||
GIMP_IS_DIALOG_FACTORY (dialog_factory), NULL);
if (dialog_factory)
{
g_return_val_if_fail (dialog_identifier != NULL, NULL);
g_return_val_if_fail (dialog_stock_id != NULL, NULL);
g_return_val_if_fail (dialog_tooltip != NULL, NULL);
}
button = g_object_new (GIMP_TYPE_VIEWABLE_BUTTON,
"popup-view-type", view_type,
"popup-view-size", view_size,
NULL);
button->container = container;
button->context = context;
button->button_view_size = button_view_size;
button->view_border_width = view_border_width;
if (dialog_factory)
{
button->dialog_factory = dialog_factory;
button->dialog_identifier = g_strdup (dialog_identifier);
button->dialog_stock_id = g_strdup (dialog_stock_id);
button->dialog_tooltip = g_strdup (dialog_tooltip);
}
prop_name = gimp_context_type_to_prop_name (container->children_type);
button->view = gimp_prop_view_new (G_OBJECT (context), prop_name,
context, button->button_view_size);
gtk_container_add (GTK_CONTAINER (button), button->view);
gtk_widget_show (button->view);
return GTK_WIDGET (button);
}
GimpViewType
gimp_viewable_button_get_view_type (GimpViewableButton *button)
{
g_return_val_if_fail (GIMP_IS_VIEWABLE_BUTTON (button), GIMP_VIEW_TYPE_LIST);
return button->popup_view_type;
}
void
gimp_viewable_button_set_view_type (GimpViewableButton *button,
GimpViewType view_type)
{
g_return_if_fail (GIMP_IS_VIEWABLE_BUTTON (button));
if (view_type != button->popup_view_type)
{
button->popup_view_type = view_type;
g_object_notify (G_OBJECT (button), "popup-view-type");
}
}
gint
gimp_viewable_button_get_view_size (GimpViewableButton *button)
{
g_return_val_if_fail (GIMP_IS_VIEWABLE_BUTTON (button), GIMP_VIEW_SIZE_SMALL);
return button->popup_view_size;
}
void
gimp_viewable_button_set_view_size (GimpViewableButton *button,
gint view_size)
{
g_return_if_fail (GIMP_IS_VIEWABLE_BUTTON (button));
if (view_size != button->popup_view_size)
{
button->popup_view_size = view_size;
g_object_notify (G_OBJECT (button), "popup-view-size");
}
}
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