void
tool_manager_pop_tool (Gimp *gimp)
{
GimpToolManager *tool_manager;
g_return_if_fail (GIMP_IS_GIMP (gimp));
tool_manager = tool_manager_get (gimp);
if (tool_manager->tool_stack)
{
GimpTool *tool = tool_manager->tool_stack->data;
GimpDisplay *focus_display = NULL;
if (tool_manager->active_tool)
focus_display = tool_manager->active_tool->focus_display;
tool_manager->tool_stack = g_slist_remove (tool_manager->tool_stack,
tool);
tool_manager_select_tool (gimp, tool);
g_object_unref (tool);
if (focus_display)
tool_manager_focus_display_active (gimp, focus_display);
}
}
void
tool_manager_push_tool (Gimp *gimp,
GimpTool *tool)
{
GimpToolManager *tool_manager;
GimpDisplay *focus_display = NULL;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_TOOL (tool));
tool_manager = tool_manager_get (gimp);
if (tool_manager->active_tool)
{
focus_display = tool_manager->active_tool->focus_display;
tool_manager->tool_stack = g_slist_prepend (tool_manager->tool_stack,
tool_manager->active_tool);
g_object_ref (tool_manager->tool_stack->data);
}
tool_manager_select_tool (gimp, tool);
if (focus_display)
tool_manager_focus_display_active (gimp, focus_display);
}
static void
tool_manager_select_tool (Gimp *gimp,
GimpTool *tool)
{
GimpToolManager *tool_manager;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_TOOL (tool));
tool_manager = tool_manager_get (gimp);
/* reset the previously selected tool, but only if it is not only
* temporarily pushed to the tool stack
*/
if (tool_manager->active_tool &&
! (tool_manager->tool_stack &&
tool_manager->active_tool == tool_manager->tool_stack->data))
{
GimpTool *active_tool = tool_manager->active_tool;
GimpDisplay *display;
/* NULL image returns any display (if there is any) */
display = gimp_tool_has_image (active_tool, NULL);
tool_manager_control_active (gimp, GIMP_TOOL_ACTION_HALT, display);
tool_manager_focus_display_active (gimp, NULL);
g_object_unref (tool_manager->active_tool);
}
tool_manager->active_tool = g_object_ref (tool);
}
void
tool_manager_select_tool (Gimp *gimp,
GimpTool *tool)
{
GimpToolManager *tool_manager;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_TOOL (tool));
tool_manager = tool_manager_get (gimp);
if (tool_manager->active_tool)
{
GimpTool *active_tool = tool_manager->active_tool;
GimpDisplay *display;
/* NULL image returns any display (if there is any) */
display = gimp_tool_has_image (active_tool, NULL);
tool_manager_control_active (gimp, GIMP_TOOL_ACTION_HALT, display);
tool_manager_focus_display_active (gimp, NULL);
g_object_unref (tool_manager->active_tool);
}
tool_manager->active_tool = g_object_ref (tool);
}
void
gimp_display_delete (GimpDisplay *display)
{
GimpTool *active_tool;
g_return_if_fail (GIMP_IS_DISPLAY (display));
/* remove the display from the list */
gimp_container_remove (display->image->gimp->displays,
GIMP_OBJECT (display));
/* stop any active tool */
tool_manager_control_active (display->image->gimp, GIMP_TOOL_ACTION_HALT,
display);
active_tool = tool_manager_get_active (display->image->gimp);
if (active_tool && active_tool->focus_display == display)
tool_manager_focus_display_active (display->image->gimp, NULL);
/* free the update area lists */
gimp_area_list_free (display->update_areas);
display->update_areas = NULL;
if (display->shell)
{
GtkWidget *shell = display->shell;
/* set display->shell to NULL *before* destroying the shell.
* all callbacks in gimpdisplayshell-callbacks.c will check
* this pointer and do nothing if the shell is in destruction.
*/
display->shell = NULL;
gtk_widget_destroy (shell);
}
/* unrefs the image */
gimp_display_disconnect (display);
g_object_unref (display);
}
