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);
}
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;
tool_manager->tool_stack = g_slist_remove (tool_manager->tool_stack,
tool);
tool_manager_select_tool (gimp, tool);
g_object_unref (tool);
}
}
static void
tool_manager_tool_changed (GimpContext *user_context,
GimpToolInfo *tool_info,
GimpToolManager *tool_manager)
{
GimpTool *new_tool = NULL;
if (! tool_info)
return;
/* FIXME: gimp_busy HACK */
if (user_context->gimp->busy)
{
/* there may be contexts waiting for the user_context's "tool-changed"
* signal, so stop emitting it.
*/
g_signal_stop_emission_by_name (user_context, "tool-changed");
if (G_TYPE_FROM_INSTANCE (tool_manager->active_tool) !=
tool_info->tool_type)
{
g_signal_handlers_block_by_func (user_context,
tool_manager_tool_changed,
tool_manager);
/* explicitly set the current tool */
gimp_context_set_tool (user_context,
tool_manager->active_tool->tool_info);
g_signal_handlers_unblock_by_func (user_context,
tool_manager_tool_changed,
tool_manager);
}
return;
}
if (g_type_is_a (tool_info->tool_type, GIMP_TYPE_TOOL))
{
new_tool = g_object_new (tool_info->tool_type,
"tool-info", tool_info,
NULL);
}
else
{
g_warning ("%s: tool_info->tool_type is no GimpTool subclass",
G_STRFUNC);
return;
}
/* disconnect the old tool's context */
if (tool_manager->active_tool &&
tool_manager->active_tool->tool_info)
{
tool_manager_disconnect_options (user_context,
tool_manager->active_tool->tool_info);
}
/* connect the new tool's context */
tool_manager_connect_options (user_context, tool_info);
tool_manager_select_tool (user_context->gimp, new_tool);
g_object_unref (new_tool);
}
static void
tool_manager_tool_changed (GimpContext *user_context,
GimpToolInfo *tool_info,
GimpToolManager *tool_manager)
{
GimpTool *new_tool = NULL;
if (! tool_info)
return;
if (! g_type_is_a (tool_info->tool_type, GIMP_TYPE_TOOL))
{
g_warning ("%s: tool_info->tool_type is no GimpTool subclass",
G_STRFUNC);
return;
}
/* FIXME: gimp_busy HACK */
if (user_context->gimp->busy)
{
/* there may be contexts waiting for the user_context's "tool-changed"
* signal, so stop emitting it.
*/
g_signal_stop_emission_by_name (user_context, "tool-changed");
if (G_TYPE_FROM_INSTANCE (tool_manager->active_tool) !=
tool_info->tool_type)
{
g_signal_handlers_block_by_func (user_context,
tool_manager_tool_changed,
tool_manager);
/* explicitly set the current tool */
gimp_context_set_tool (user_context,
tool_manager->active_tool->tool_info);
g_signal_handlers_unblock_by_func (user_context,
tool_manager_tool_changed,
tool_manager);
}
return;
}
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);
/* commit the old tool's operation before creating the new tool
* because creating a tool might mess with the old tool's
* options (old and new tool might be the same)
*/
if (display)
tool_manager_control_active (user_context->gimp, GIMP_TOOL_ACTION_COMMIT,
display);
}
new_tool = g_object_new (tool_info->tool_type,
"tool-info", tool_info,
NULL);
tool_manager_select_tool (user_context->gimp, new_tool);
g_object_unref (new_tool);
/* ??? */
tool_manager_cast_spell (tool_info);
}
