+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file action_system.h
-** \brief Template Header
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** This package 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 package 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.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === S T A R T =========================================================== */
-
-#ifndef __SYNFIGAPP_ACTIONSYSTEM_H
-#define __SYNFIGAPP_ACTIONSYSTEM_H
-
-/* === H E A D E R S ======================================================= */
-
-#include "action.h"
-#include <sigc++/signal.h>
-#include <sigc++/object.h>
-#include <ETL/handle>
-#include <synfig/canvas.h>
-#include "uimanager.h"
-
-/* === M A C R O S ========================================================= */
-
-/* === T Y P E D E F S ===================================================== */
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-namespace synfigapp {
-
-class CanvasInterface;
-
-namespace Action {
-
-
-
-
-
-class System;
-
-//! Passive action grouping class
-class PassiveGrouper
-{
- etl::loose_handle<System> instance_;
- synfig::String name_;
- bool redraw_requested_;
- int depth_;
- etl::handle<CanvasInterface> canvas_interface_;
-public:
-
- PassiveGrouper(etl::loose_handle<System> instance_,synfig::String name_);
-
- ~PassiveGrouper();
-
- const synfig::String &get_name()const { return name_; }
-
- void set_name(const synfig::String &x) { name_=x; }
-
- etl::loose_handle<System> get_instance() { return instance_; }
-
- void request_redraw(etl::handle<CanvasInterface>);
-
- void cancel();
-
- void inc_depth() { depth_++; }
-
- void dec_depth() { depth_--; }
-
- const int &get_depth()const { return depth_; }
-}; // END of class Action::PassiveGrouper
-
-typedef std::list< etl::handle<Action::Undoable> > Stack;
-
-class System : public etl::shared_object, public sigc::trackable
-{
- friend class PassiveGrouper;
-
- /*
- -- ** -- P U B L I C T Y P E S ---------------------------------------------
- */
-
-public:
-
- /*
- -- ** -- P U B L I C D A T A ------------------------------------------------
- */
-
-public:
-
- /*
- -- ** -- P R I V A T E D A T A ---------------------------------------------
- */
-
-private:
-
- Stack undo_action_stack_;
- Stack redo_action_stack_;
-
- etl::handle<Action::Base> most_recent_action_;
-
- std::list<PassiveGrouper*> group_stack_;
-
- sigc::signal<void,bool> signal_undo_status_;
- sigc::signal<void,bool> signal_redo_status_;
- sigc::signal<void,etl::handle<Action::Undoable> > signal_new_action_;
- sigc::signal<void> signal_undo_stack_cleared_;
- sigc::signal<void> signal_redo_stack_cleared_;
- sigc::signal<void> signal_undo_;
- sigc::signal<void> signal_redo_;
- sigc::signal<void,etl::handle<Action::Undoable> > signal_action_status_changed_;
-
- mutable sigc::signal<void,bool> signal_unsaved_status_changed_;
-
- //! If this is non-zero, then the changes have not yet been saved.
- mutable int action_count_;
-
- etl::handle<UIInterface> ui_interface_;
-
- bool clear_redo_stack_on_new_action_;
-
- /*
- -- ** -- P R I V A T E M E T H O D S ---------------------------------------
- */
-
-private:
-
- bool undo_(etl::handle<UIInterface> uim);
- bool redo_(etl::handle<UIInterface> uim);
-
- /*
- -- ** -- S I G N A L T E R M I N A L S -------------------------------------
- */
-
-private:
-
- /*
- -- ** -- P U B L I C M E T H O D S -----------------------------------------
- */
-
-public:
-
- System();
- ~System();
-
- /*
- template <typename T> bool
- perform_action(T x)
- {
- etl::handle<Action::Base> action((Action::Base*)new T(x));
- return perform_action(action);
- }
- */
-
- const etl::handle<Action::Base>& get_most_recent_action() { return most_recent_action_; }
-
- bool get_clear_redo_stack_on_new_action()const { return clear_redo_stack_on_new_action_; }
-
- void set_clear_redo_stack_on_new_action(bool x) { clear_redo_stack_on_new_action_=x; }
-
- bool perform_action(etl::handle<Action::Base> action);
-
- bool set_action_status(etl::handle<Action::Undoable> action, bool x);
-
- const Stack &undo_action_stack()const { return undo_action_stack_; }
-
- const Stack &redo_action_stack()const { return redo_action_stack_; }
-
- //! Undoes the last action
- bool undo();
-
- //! Redoes the last undone action
- bool redo();
-
- //! Clears the undo stack.
- void clear_undo_stack();
-
- //! Clears the redo stack.
- void clear_redo_stack();
-
- //! Increments the action counter
- /*! \note You should not have to call this under normal circumstances.
- ** \see dec_action_count(), reset_action_count(), get_action_count() */
- void inc_action_count()const;
-
- //! Decrements the action counter
- /*! \note You should not have to call this under normal circumstances.
- ** \see inc_action_count(), reset_action_count(), get_action_count() */
- void dec_action_count()const;
-
- //! Resets the action counter
- /*! \note You should not have to call this under normal circumstances.
- ** \see inc_action_count(), dec_action_count(), get_action_count() */
- void reset_action_count()const;
-
- //! Returns the number of actions performed since last save.
- /*! \see inc_action_count(), dec_action_count(), reset_action_count() */
- int get_action_count()const { return action_count_; }
-
- void set_ui_interface(const etl::handle<UIInterface> &uim) { assert(uim); ui_interface_=uim; }
- void unset_ui_interface() { ui_interface_=new DefaultUIInterface(); }
- const etl::handle<UIInterface> &get_ui_interface() { return ui_interface_; }
-
- /*
- -- ** -- S I G N A L I N T E R F A C E S -----------------------------------
- */
-
-public:
-
- sigc::signal<void,bool>& signal_unsaved_status_changed() { return signal_unsaved_status_changed_; }
-
- sigc::signal<void,bool>& signal_undo_status() { return signal_undo_status_; }
-
- sigc::signal<void,bool>& signal_redo_status() { return signal_redo_status_; }
-
- sigc::signal<void>& signal_undo_stack_cleared() { return signal_undo_stack_cleared_; }
-
- sigc::signal<void>& signal_redo_stack_cleared() { return signal_redo_stack_cleared_; }
-
- sigc::signal<void>& signal_undo() { return signal_undo_; }
-
- sigc::signal<void>& signal_redo() { return signal_redo_; }
-
- //! Called whenever an undoable action is processed and added to the stack.
- sigc::signal<void,etl::handle<Action::Undoable> >& signal_new_action() { return signal_new_action_; }
-
- sigc::signal<void,etl::handle<Action::Undoable> >& signal_action_status_changed() { return signal_action_status_changed_; }
-
-}; // END of class Action::System
-
-
-}; // END of namespace synfigapp::Action
-}; // END of namespace synfigapp
-
-/* === E N D =============================================================== */
-
-#endif
projects / synfig.git / blobdiff