generic_window.hpp
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上传日期:2020-07-06
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midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * generic_window.hpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: e75b733b7fda3ab91e12375263596ea5d900be59 $
- *
- * 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 GENERIC_WINDOW_HPP
- #define GENERIC_WINDOW_HPP
- #include "skin_common.hpp"
- #include "../utils/var_bool.hpp"
- class OSWindow;
- class EvtGeneric;
- class EvtFocus;
- class EvtLeave;
- class EvtMenu;
- class EvtMotion;
- class EvtMouse;
- class EvtKey;
- class EvtRefresh;
- class EvtScroll;
- class WindowManager;
- /// Generic window class
- class GenericWindow: public SkinObject, public Observer<VarBool>
- {
- private:
- friend class WindowManager;
- friend class VoutManager;
- friend class CtrlVideo;
- public:
- GenericWindow( intf_thread_t *pIntf, int xPos, int yPos,
- bool dragDrop, bool playOnDrop,
- GenericWindow *pParent = NULL );
- virtual ~GenericWindow();
- /// Methods to process OS events.
- virtual void processEvent( EvtFocus &rEvtFocus ) {}
- virtual void processEvent( EvtMenu &rEvtMenu ) {}
- virtual void processEvent( EvtMotion &rEvtMotion ) {}
- virtual void processEvent( EvtMouse &rEvtMouse ) {}
- virtual void processEvent( EvtLeave &rEvtLeave ) {}
- virtual void processEvent( EvtKey &rEvtKey ) {}
- virtual void processEvent( EvtScroll &rEvtScroll ) {}
- virtual void processEvent( EvtRefresh &rEvtRefresh );
- /// Resize the window
- virtual void resize( int width, int height );
- /// Refresh an area of the window
- virtual void refresh( int left, int top, int width, int height ) {}
- /// Get the coordinates of the window
- int getLeft() const { return m_left; }
- int getTop() const { return m_top; }
- int getWidth() const { return m_width; }
- int getHeight() const { return m_height; }
- /// Give access to the visibility variable
- VarBool &getVisibleVar() { return *m_pVarVisible; }
- /// Window type, mainly useful when overloaded (for VoutWindow)
- virtual string getType() const { return "Generic"; }
- /// windows handle
- void* getOSHandle() const;
- /// reparent
- void setParent( GenericWindow* pParent, int x, int y, int w, int h );
- protected:
- /// Get the OS window
- OSWindow *getOSWindow() const { return m_pOsWindow; }
- /// These methods do not need to be public since they are accessed
- /// only by the window manager or by inheritant classes.
- //@{
- /// Show the window
- virtual void show() const;
- /// Hide the window
- virtual void hide() const;
- /// Move the window
- virtual void move( int left, int top );
- /// Bring the window on top
- virtual void raise() const;
- /// Set the opacity of the window (0 = transparent, 255 = opaque)
- virtual void setOpacity( uint8_t value );
- /// Toggle the window on top
- virtual void toggleOnTop( bool onTop ) const;
- //@}
- /// Actually show the window
- virtual void innerShow();
- /// Actually hide the window
- virtual void innerHide();
- private:
- /// Window position and size
- int m_left, m_top, m_width, m_height;
- /// OS specific implementation
- OSWindow *m_pOsWindow;
- /// Variable for the visibility of the window
- mutable VarBoolImpl *m_pVarVisible;
- /// Method called when the observed variable is modified
- virtual void onUpdate( Subject<VarBool> &rVariable , void*);
- };
- #endif