window_manager.hpp
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上传日期:2020-07-06
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midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * window_manager.hpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: 4cdca61d166533b005f73f803b3e429b55e7fd5c $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teulière <ipkiss@via.ecp.fr>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef WINDOW_MANAGER_HPP
- #define WINDOW_MANAGER_HPP
- #include "skin_common.hpp"
- #include "top_window.hpp"
- #include "../utils/position.hpp"
- #include <list>
- #include <map>
- #include <set>
- #include <utility>
- class GenericFont;
- class GenericLayout;
- class Anchor;
- class Tooltip;
- class Popup;
- /// Window manager for skin windows
- class WindowManager: public SkinObject
- {
- public:
- /// Direction of the resizing
- enum Direction_t
- {
- kResizeE, // East
- kResizeSE, // South-East
- kResizeS, // South
- kNone // Reserved for internal use
- };
- /// Constructor
- WindowManager( intf_thread_t *pIntf);
- /// Destructor
- virtual ~WindowManager();
- /**
- * Add a window to the list of known windows. Necessary if you want
- * your window to be movable...
- */
- void registerWindow( TopWindow &rWindow );
- /// Remove a previously registered window
- void unregisterWindow( TopWindow &rWindow );
- /// Tell the window manager that a move is initiated for rWindow
- void startMove( TopWindow &rWindow );
- /// Tell the window manager that the current move ended
- void stopMove();
- /**
- * Move the rWindow window to (left, top), and move all its
- * anchored windows.
- * If a new anchoring is detected, the windows will move accordingly.
- */
- void move( TopWindow &rWindow, int left, int top ) const;
- /// Tell the window manager that a resize is initiated for rLayout
- void startResize( GenericLayout &rLayout, Direction_t direction );
- /// Tell the window manager that the current resizing ended
- void stopResize();
- /**
- * Resize the rLayout layout to (width, height), and move all its
- * anchored windows, if some anchors are moved during the resizing.
- * If a new anchoring is detected, the windows will move (or resize)
- * accordingly.
- */
- void resize( GenericLayout &rLayout, int width, int height ) const;
- /// Maximize the given window
- void maximize( TopWindow &rWindow );
- /// Unmaximize the given window
- void unmaximize( TopWindow &rWindow );
- /// Raise all the registered windows
- void raiseAll() const;
- /// Show all the registered windows
- void showAll( bool firstTime = false ) const;
- /// Hide all the registered windows
- void hideAll() const;
- /// Synchronize the windows with their visibility variable
- void synchVisibility() const;
- /// Save the current visibility of the windows
- void saveVisibility();
- /// Restore the saved visibility of the windows
- void restoreVisibility() const;
- /// Raise the given window
- void raise( TopWindow &rWindow ) const { rWindow.raise(); }
- /// Show the given window
- void show( TopWindow &rWindow ) const { rWindow.show(); }
- /// Hide the given window
- void hide( TopWindow &rWindow ) const { rWindow.hide(); }
- /// Toggle all the windows on top
- void toggleOnTop();
- /// Set the magnetism of screen edges
- void setMagnetValue( int magnet ) { m_magnet = magnet; }
- /// Set the alpha value of the static windows
- void setAlphaValue( int alpha ) { m_alpha = alpha; }
- /// Set the alpha value of the moving windows
- void setMoveAlphaValue( int moveAlpha ) { m_moveAlpha = moveAlpha; }
- /// Create the tooltip window
- void createTooltip( const GenericFont &rTipFont );
- /// Show the tooltip window
- void showTooltip();
- /// Hide the tooltip window
- void hideTooltip();
- /// Add a layout of the given window. This new layout will be the
- /// active one.
- void addLayout( TopWindow &rWindow, GenericLayout &rLayout );
- /// Change the active layout of the given window
- void setActiveLayout( TopWindow &rWindow, GenericLayout &rLayout );
- /// Mark the given popup as active
- void setActivePopup( Popup &rPopup ) { m_pPopup = &rPopup; }
- /// Return the active popup, or NULL if none is active
- Popup * getActivePopup() const { return m_pPopup; }
- private:
- /// Some useful typedefs for lazy people like me
- typedef set<TopWindow*> WinSet_t;
- typedef list<Anchor*> AncList_t;
- /// Dependencies map
- /**
- * This map represents the graph of anchored windows: it associates
- * to a given window all the windows that are directly anchored by it.
- * This is not transitive, i.e. if a is in m_dep[b] and if b is in
- * m_dep[c], it doesn't mean that a is in m_dep[c] (in fact, it
- * would be extremely rare...)
- */
- map<TopWindow*, WinSet_t> m_dependencies;
- /// Store all the windows
- WinSet_t m_allWindows;
- /**
- * Store the windows that were visible when saveVisibility() was
- * last called.
- */
- WinSet_t m_savedWindows;
- /// Store the moving windows
- /**
- * This set is updated at every start of move.
- */
- WinSet_t m_movingWindows;
- /**
- * Store the moving windows in the context of resizing
- * These sets are updated at every start of move
- */
- //@{
- WinSet_t m_resizeMovingE;
- WinSet_t m_resizeMovingS;
- WinSet_t m_resizeMovingSE;
- //@}
- /// Indicate whether the windows are currently on top
- VariablePtr m_cVarOnTop;
- /// Magnetism of the screen edges (= scope of action)
- int m_magnet;
- /// Alpha value of the static windows
- int m_alpha;
- /// Alpha value of the moving windows
- int m_moveAlpha;
- /// Direction of the current resizing
- Direction_t m_direction;
- /// Rect of the last maximized window
- SkinsRect m_maximizeRect;
- /// Tooltip
- Tooltip *m_pTooltip;
- /// Active popup, if any
- Popup *m_pPopup;
- /// Recursively build a set of windows anchored to the one given.
- void buildDependSet( WinSet_t &rWinSet, TopWindow *pWindow );
- /// Check anchoring
- /**
- * This function updates xOffset and yOffset, to take care of a new
- * anchoring (if any)
- */
- void checkAnchors( TopWindow *pWindow,
- int &xOffset, int &yOffset ) const;
- };
- #endif