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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 "display-types.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimplist.h"
#include "gimpdisplay.h"
#include "gimpdisplay-foreach.h"
#include "gimpdisplayshell.h"
#include "gimpdisplayshell-cursor.h"
gboolean
gimp_displays_dirty (Gimp *gimp)
{
GList *list;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
for (list = GIMP_LIST (gimp->displays)->list;
list;
list = g_list_next (list))
{
GimpDisplay *display = list->data;
if (display->gimage->dirty)
return TRUE;
}
return FALSE;
}
static void
gimp_displays_image_dirty_callback (GimpImage *image,
GimpDirtyMask dirty_mask,
GimpContainer *container)
{
if (image->dirty && image->disp_count > 0 &&
! gimp_container_have (container, GIMP_OBJECT (image)))
gimp_container_add (container, GIMP_OBJECT (image));
}
static void
gimp_displays_dirty_images_disconnect (GimpContainer *dirty_container,
GimpContainer *global_container)
{
GQuark handler;
handler = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (dirty_container),
"clean-handler"));
gimp_container_remove_handler (global_container, handler);
handler = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (dirty_container),
"dirty-handler"));
gimp_container_remove_handler (global_container, handler);
}
static void
gimp_displays_image_clean_callback (GimpImage *image,
GimpDirtyMask dirty_mask,
GimpContainer *container)
{
if (! image->dirty)
gimp_container_remove (container, GIMP_OBJECT (image));
}
GimpContainer *
gimp_displays_get_dirty_images (Gimp *gimp)
{
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
if (gimp_displays_dirty (gimp))
{
GimpContainer *container = gimp_list_new_weak (GIMP_TYPE_IMAGE, FALSE);
GList *list;
GQuark handler;
handler =
gimp_container_add_handler (gimp->images, "clean",
G_CALLBACK (gimp_displays_image_dirty_callback),
container);
g_object_set_data (G_OBJECT (container), "clean-handler",
GINT_TO_POINTER (handler));
handler =
gimp_container_add_handler (gimp->images, "dirty",
G_CALLBACK (gimp_displays_image_dirty_callback),
container);
g_object_set_data (G_OBJECT (container), "dirty-handler",
GINT_TO_POINTER (handler));
g_signal_connect_object (container, "disconnect",
G_CALLBACK (gimp_displays_dirty_images_disconnect),
G_OBJECT (gimp->images), 0);
gimp_container_add_handler (container, "clean",
G_CALLBACK (gimp_displays_image_clean_callback),
container);
gimp_container_add_handler (container, "dirty",
G_CALLBACK (gimp_displays_image_clean_callback),
container);
for (list = GIMP_LIST (gimp->images)->list;
list;
list = g_list_next (list))
{
GimpImage *image = list->data;
if (image->dirty && image->disp_count > 0)
gimp_container_add (container, GIMP_OBJECT (image));
}
return container;
}
return NULL;
}
void
gimp_displays_delete (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
/* this removes the GimpDisplay from the list, so do a while loop
* "around" the first element to get them all
*/
while (GIMP_LIST (gimp->displays)->list)
{
GimpDisplay *gdisp = GIMP_LIST (gimp->displays)->list->data;
gimp_display_delete (gdisp);
}
}
void
gimp_displays_reconnect (Gimp *gimp,
GimpImage *old,
GimpImage *new)
{
GList *contexts = NULL;
GList *list;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_IMAGE (old));
g_return_if_fail (GIMP_IS_IMAGE (new));
/* remember which contexts refer to old_gimage */
for (list = gimp->context_list; list; list = g_list_next (list))
{
GimpContext *context = list->data;
if (gimp_context_get_image (context) == old)
contexts = g_list_prepend (contexts, list->data);
}
for (list = GIMP_LIST (gimp->displays)->list;
list;
list = g_list_next (list))
{
GimpDisplay *gdisp = list->data;
if (gdisp->gimage == old)
gimp_display_reconnect (gdisp, new);
}
/* set the new_gimage on the remembered contexts (in reverse
* order, since older contexts are usually the parents of
* newer ones)
*/
g_list_foreach (contexts, (GFunc) gimp_context_set_image, new);
g_list_free (contexts);
}
void
gimp_displays_set_busy (Gimp *gimp)
{
GList *list;
g_return_if_fail (GIMP_IS_GIMP (gimp));
for (list = GIMP_LIST (gimp->displays)->list;
list;
list = g_list_next (list))
{
GimpDisplayShell *shell =
GIMP_DISPLAY_SHELL (GIMP_DISPLAY (list->data)->shell);
gimp_display_shell_set_override_cursor (shell, GDK_WATCH);
}
}
void
gimp_displays_unset_busy (Gimp *gimp)
{
GList *list;
g_return_if_fail (GIMP_IS_GIMP (gimp));
for (list = GIMP_LIST (gimp->displays)->list;
list;
list = g_list_next (list))
{
GimpDisplayShell *shell =
GIMP_DISPLAY_SHELL (GIMP_DISPLAY (list->data)->shell);
gimp_display_shell_unset_override_cursor (shell);
}
}
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