dnrops
/
gimp
mirror of https://github.com/GNOME/gimp.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
gimp/app/widgets/gimpdrawablelistitem.c

346 lines
11 KiB
C
Raw Blame History

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdrawablelistitem.c
* Copyright (C) 2001 Michael Natterer
*
* 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/gimpdrawable.h"
#include "gimpdnd.h"
#include "gimpdrawablelistitem.h"
#include "gimpdrawablelistview.h"
#include "gimppreview.h"
#include "gdisplay.h"
#include "pixmaps/eye.xpm"
static void gimp_drawable_list_item_class_init (GimpDrawableListItemClass *klass);
static void gimp_drawable_list_item_init (GimpDrawableListItem *list_item);
static void gimp_drawable_list_item_set_viewable (GimpListItem *list_item,
GimpViewable *viewable);
static gboolean gimp_drawable_list_item_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static gboolean gimp_drawable_list_item_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time);
static void gimp_drawable_list_item_eye_toggled (GtkWidget *widget,
gpointer data);
static void gimp_drawable_list_item_visibility_changed (GimpDrawable *drawable,
gpointer data);
static GimpListItemClass *parent_class = NULL;
GtkType
gimp_drawable_list_item_get_type (void)
{
static GtkType list_item_type = 0;
if (! list_item_type)
{
static const GtkTypeInfo list_item_info =
{
"GimpDrawableListItem",
sizeof (GimpDrawableListItem),
sizeof (GimpDrawableListItemClass),
(GtkClassInitFunc) gimp_drawable_list_item_class_init,
(GtkObjectInitFunc) gimp_drawable_list_item_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
list_item_type = gtk_type_unique (GIMP_TYPE_LIST_ITEM, &list_item_info);
}
return list_item_type;
}
static void
gimp_drawable_list_item_class_init (GimpDrawableListItemClass *klass)
{
GtkWidgetClass *widget_class;
GimpListItemClass *list_item_class;
widget_class = (GtkWidgetClass *) klass;
list_item_class = (GimpListItemClass *) klass;
parent_class = g_type_class_peek_parent (klass);
widget_class->drag_motion = gimp_drawable_list_item_drag_motion;
widget_class->drag_drop = gimp_drawable_list_item_drag_drop;
list_item_class->set_viewable = gimp_drawable_list_item_set_viewable;
}
static void
gimp_drawable_list_item_init (GimpDrawableListItem *list_item)
{
GtkWidget *abox;
GtkWidget *pixmap;
abox = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (GIMP_LIST_ITEM (list_item)->hbox), abox,
FALSE, FALSE, 0);
gtk_widget_show (abox);
list_item->eye_button = gtk_toggle_button_new ();
gtk_button_set_relief (GTK_BUTTON (list_item->eye_button), GTK_RELIEF_NONE);
gtk_container_add (GTK_CONTAINER (abox), list_item->eye_button);
gtk_widget_show (list_item->eye_button);
g_signal_connect (G_OBJECT (list_item->eye_button), "realize",
G_CALLBACK (gimp_list_item_button_realize),
list_item);
g_signal_connect (G_OBJECT (list_item->eye_button), "state_changed",
G_CALLBACK (gimp_list_item_button_state_changed),
list_item);
pixmap = gimp_pixmap_new (eye_xpm);
gtk_container_add (GTK_CONTAINER (list_item->eye_button), pixmap);
gtk_widget_show (pixmap);
}
static void
gimp_drawable_list_item_set_viewable (GimpListItem *list_item,
GimpViewable *viewable)
{
GimpDrawableListItem *drawable_item;
GimpDrawable *drawable;
gboolean visible;
if (GIMP_LIST_ITEM_CLASS (parent_class)->set_viewable)
GIMP_LIST_ITEM_CLASS (parent_class)->set_viewable (list_item, viewable);
GIMP_PREVIEW (list_item->preview)->clickable = TRUE;
drawable_item = GIMP_DRAWABLE_LIST_ITEM (list_item);
drawable = GIMP_DRAWABLE (GIMP_PREVIEW (list_item->preview)->viewable);
visible = gimp_drawable_get_visible (drawable);
if (! visible)
{
GtkRequisition requisition;
gtk_widget_size_request (drawable_item->eye_button, &requisition);
gtk_widget_set_usize (drawable_item->eye_button,
requisition.width,
requisition.height);
gtk_widget_hide (GTK_BIN (drawable_item->eye_button)->child);
}
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (drawable_item->eye_button),
visible);
g_signal_connect (G_OBJECT (drawable_item->eye_button), "toggled",
G_CALLBACK (gimp_drawable_list_item_eye_toggled),
list_item);
g_signal_connect_object (G_OBJECT (viewable), "visibility_changed",
G_CALLBACK (gimp_drawable_list_item_visibility_changed),
G_OBJECT (list_item),
0);
}
static gboolean
gimp_drawable_list_item_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GimpListItem *list_item;
GimpViewable *src_viewable;
gint dest_index;
GdkDragAction drag_action;
GimpDropType drop_type;
gboolean return_val;
list_item = GIMP_LIST_ITEM (widget);
return_val = gimp_list_item_check_drag (list_item, context, x, y,
&src_viewable,
&dest_index,
&drag_action,
&drop_type);
gdk_drag_status (context, drag_action, time);
list_item->drop_type = drop_type;
return return_val;
}
static gboolean
gimp_drawable_list_item_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
GimpListItem *list_item;
GimpViewable *src_viewable;
gint dest_index;
GdkDragAction drag_action;
GimpDropType drop_type;
gboolean return_val;
list_item = GIMP_LIST_ITEM (widget);
return_val = gimp_list_item_check_drag (list_item, context, x, y,
&src_viewable,
&dest_index,
&drag_action,
&drop_type);
gtk_drag_finish (context, return_val, FALSE, time);
list_item->drop_type = GIMP_DROP_NONE;
if (return_val)
{
if (widget->parent && /* EEK */
widget->parent->parent && /* EEEEK */
widget->parent->parent->parent && /* EEEEEEK */
widget->parent->parent->parent->parent && /* EEEEEEEEK */
GIMP_IS_DRAWABLE_LIST_VIEW (widget->parent->parent->parent->parent))
{
GimpDrawableListView *list_view;
list_view =
GIMP_DRAWABLE_LIST_VIEW (widget->parent->parent->parent->parent);
list_view->reorder_drawable_func (list_view->gimage,
GIMP_DRAWABLE (src_viewable),
dest_index,
TRUE);
gdisplays_flush ();
}
else
{
g_warning ("%s(): GimpDrawableListItem is not "
"part of a GimpDrawableListView", G_GNUC_FUNCTION);
}
}
return return_val;
}
static void
gimp_drawable_list_item_eye_toggled (GtkWidget *widget,
gpointer data)
{
GimpListItem *list_item;
GimpDrawable *drawable;
gboolean visible;
list_item = GIMP_LIST_ITEM (data);
drawable = GIMP_DRAWABLE (GIMP_PREVIEW (list_item->preview)->viewable);
visible = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));
if (visible != gimp_drawable_get_visible (drawable))
{
if (! visible)
{
gtk_widget_set_usize (GTK_WIDGET (widget),
GTK_WIDGET (widget)->allocation.width,
GTK_WIDGET (widget)->allocation.height);
gtk_widget_hide (GTK_BIN (widget)->child);
}
else
{
gtk_widget_show (GTK_BIN (widget)->child);
gtk_widget_set_usize (GTK_WIDGET (widget), -1, -1);
}
g_signal_handlers_block_by_func (G_OBJECT (drawable),
gimp_drawable_list_item_visibility_changed,
list_item);
gimp_drawable_set_visible (drawable, visible);
g_signal_handlers_unblock_by_func (G_OBJECT (drawable),
gimp_drawable_list_item_visibility_changed,
list_item);
gdisplays_flush ();
}
}
static void
gimp_drawable_list_item_visibility_changed (GimpDrawable *drawable,
gpointer data)
{
GimpListItem *list_item;
GtkToggleButton *toggle;
gboolean visible;
list_item = GIMP_LIST_ITEM (data);
toggle = GTK_TOGGLE_BUTTON (GIMP_DRAWABLE_LIST_ITEM (data)->eye_button);
visible = gimp_drawable_get_visible (drawable);
if (visible != toggle->active)
{
if (! visible)
{
gtk_widget_set_usize (GTK_WIDGET (toggle),
GTK_WIDGET (toggle)->allocation.width,
GTK_WIDGET (toggle)->allocation.height);
gtk_widget_hide (GTK_BIN (toggle)->child);
}
else
{
gtk_widget_show (GTK_BIN (toggle)->child);
gtk_widget_set_usize (GTK_WIDGET (toggle), -1, -1);
}
g_signal_handlers_block_by_func (G_OBJECT (toggle),
gimp_drawable_list_item_eye_toggled,
list_item);
gtk_toggle_button_set_active (toggle, visible);
g_signal_handlers_unblock_by_func (G_OBJECT (toggle),
gimp_drawable_list_item_eye_toggled,
list_item);
}
}
Reference in New Issue View Git Blame Copy Permalink