gimp/app/widgets/gimpcontainerbox.c

220 lines
7.3 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcontainerbox.c
* Copyright (C) 2004 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "gimpcontainerbox.h"
#include "gimpcontainerview.h"
#include "gimpdnd.h"
#include "gimpdocked.h"
#include "gimppropwidgets.h"
#include "gimpview.h"
#include "gimpviewrenderer.h"
static void gimp_container_box_view_iface_init (GimpContainerViewInterface *iface);
static void gimp_container_box_docked_iface_init (GimpDockedInterface *iface);
static void gimp_container_box_constructed (GObject *object);
static GtkWidget * gimp_container_box_get_preview (GimpDocked *docked,
GimpContext *context,
GtkIconSize size);
static void gimp_container_box_set_context (GimpDocked *docked,
GimpContext *context);
G_DEFINE_TYPE_WITH_CODE (GimpContainerBox, gimp_container_box,
GIMP_TYPE_EDITOR,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
gimp_container_box_view_iface_init)
G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
gimp_container_box_docked_iface_init))
#define parent_class gimp_container_box_parent_class
static void
gimp_container_box_class_init (GimpContainerBoxClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gimp_container_box_constructed;
object_class->set_property = gimp_container_view_set_property;
object_class->get_property = gimp_container_view_get_property;
gimp_container_view_install_properties (object_class);
}
static void
gimp_container_box_init (GimpContainerBox *box)
{
GtkWidget *sb;
box->scrolled_win = gtk_scrolled_window_new (NULL, NULL);
gtk_box_pack_start (GTK_BOX (box), box->scrolled_win, TRUE, TRUE, 0);
gtk_widget_show (box->scrolled_win);
sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (box->scrolled_win));
gtk_widget_set_can_focus (sb, FALSE);
}
static void
gimp_container_box_view_iface_init (GimpContainerViewInterface *iface)
{
}
static void
gimp_container_box_docked_iface_init (GimpDockedInterface *iface)
{
iface->get_preview = gimp_container_box_get_preview;
iface->set_context = gimp_container_box_set_context;
}
static void
gimp_container_box_constructed (GObject *object)
{
GimpContainerBox *box = GIMP_CONTAINER_BOX (object);
/* This is evil: the hash table of "insert_data" is created on
* demand when GimpContainerView API is used, using a
* value_free_func that is set in the interface_init functions of
* its implementors. Therefore, no GimpContainerView API must be
* called from any init() function, because the interface_init()
* function of a subclass that sets the right value_free_func might
* not have been called yet, leaving the insert_data hash table
* without memory management.
*
* Call GimpContainerView API from GObject::constructed() instead,
* which runs after everything is set up correctly.
*/
gimp_container_view_set_dnd_widget (GIMP_CONTAINER_VIEW (box),
box->scrolled_win);
G_OBJECT_CLASS (parent_class)->constructed (object);
}
void
gimp_container_box_set_size_request (GimpContainerBox *box,
gint width,
gint height)
{
GimpContainerView *view;
GtkScrolledWindowClass *sw_class;
GtkStyle *sw_style;
GtkWidget *sb;
GtkRequisition req;
gint view_size;
gint scrollbar_width;
gint border_x;
gint border_y;
g_return_if_fail (GIMP_IS_CONTAINER_BOX (box));
view = GIMP_CONTAINER_VIEW (box);
view_size = gimp_container_view_get_view_size (view, NULL);
g_return_if_fail (width <= 0 || width >= view_size);
g_return_if_fail (height <= 0 || height >= view_size);
sw_class = GTK_SCROLLED_WINDOW_GET_CLASS (box->scrolled_win);
if (sw_class->scrollbar_spacing >= 0)
scrollbar_width = sw_class->scrollbar_spacing;
else
gtk_widget_style_get (GTK_WIDGET (box->scrolled_win),
"scrollbar-spacing", &scrollbar_width,
NULL);
sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (box->scrolled_win));
gtk_widget_size_request (sb, &req);
scrollbar_width += req.width;
border_x = border_y = gtk_container_get_border_width (GTK_CONTAINER (box));
sw_style = gtk_widget_get_style (box->scrolled_win);
border_x += sw_style->xthickness * 2 + scrollbar_width;
border_y += sw_style->ythickness * 2;
gtk_widget_set_size_request (box->scrolled_win,
width > 0 ? width + border_x : -1,
height > 0 ? height + border_y : -1);
}
static void
gimp_container_box_set_context (GimpDocked *docked,
GimpContext *context)
{
gimp_container_view_set_context (GIMP_CONTAINER_VIEW (docked), context);
}
static GtkWidget *
gimp_container_box_get_preview (GimpDocked *docked,
GimpContext *context,
GtkIconSize size)
{
GimpContainerBox *box = GIMP_CONTAINER_BOX (docked);
GimpContainerView *view = GIMP_CONTAINER_VIEW (docked);
GimpContainer *container;
GtkWidget *preview;
gint width;
gint height;
gint border_width = 1;
const gchar *prop_name;
container = gimp_container_view_get_container (view);
g_return_val_if_fail (container != NULL, NULL);
gtk_icon_size_lookup_for_settings (gtk_widget_get_settings (GTK_WIDGET (box)),
size, &width, &height);
prop_name = gimp_context_type_to_prop_name (gimp_container_get_children_type (container));
preview = gimp_prop_view_new (G_OBJECT (context), prop_name,
context, height);
GIMP_VIEW (preview)->renderer->size = -1;
gimp_container_view_get_view_size (view, &border_width);
border_width = MIN (1, border_width);
gimp_view_renderer_set_size_full (GIMP_VIEW (preview)->renderer,
width, height, border_width);
return preview;
}