generic_layout.hpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:6k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * generic_layout.hpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: 9e6871af221a9222a654fd038d369b4503cb9ab9 $
- *
- * 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_LAYOUT_HPP
- #define GENERIC_LAYOUT_HPP
- #include "skin_common.hpp"
- #include "top_window.hpp"
- #include "../utils/pointer.hpp"
- #include "../utils/position.hpp"
- #include <list>
- class Anchor;
- class OSGraphics;
- class CtrlGeneric;
- class CtrlVideo;
- class VarBoolImpl;
- /// Control and its associated layer
- struct LayeredControl
- {
- LayeredControl( CtrlGeneric *pControl, int layer ):
- m_pControl( pControl ), m_layer( layer ) {}
- /// Pointer on the control
- CtrlGeneric *m_pControl;
- /// Layer number
- int m_layer;
- };
- /// Base class for layouts
- class GenericLayout: public SkinObject
- {
- public:
- GenericLayout( intf_thread_t *pIntf, int width, int height,
- int minWidth, int maxWidth, int minHeight,
- int maxHeight );
- virtual ~GenericLayout();
- /// Attach the layout to a window
- virtual void setWindow( TopWindow *pWindow );
- /// Get the associated window, if any
- virtual TopWindow *getWindow() const { return m_pWindow; }
- /// Called by a control which wants to capture the mouse
- virtual void onControlCapture( const CtrlGeneric &rCtrl );
- /// Called by a control which wants to release the mouse
- virtual void onControlRelease( const CtrlGeneric &rCtrl );
- /// Refresh the window
- virtual void refreshAll();
- /// Refresh a rectangular portion of the window
- virtual void refreshRect( int x, int y, int width, int height );
- /// Get the image of the layout
- virtual OSGraphics *getImage() const { return m_pImage; }
- /// Get the position of the layout (relative to the screen)
- /**
- * Note: These values are different from the m_rect.getLeft() and
- * m_rect.getTop(), which always return 0.
- * The latter methods are there as a "root rect" for the panels and
- * controls, since each control knows its parent rect, but returns
- * coordinates relative to the root rect.
- */
- virtual int getLeft() const { return m_pWindow->getLeft(); }
- virtual int getTop() const { return m_pWindow->getTop(); }
- /// Get the size of the layout
- virtual int getWidth() const { return m_rect.getWidth(); }
- virtual int getHeight() const { return m_rect.getHeight(); }
- virtual const GenericRect &getRect() const { return m_rect; }
- /// Get the minimum and maximum size of the layout
- virtual int getMinWidth() const { return m_minWidth; }
- virtual int getMaxWidth() const { return m_maxWidth; }
- virtual int getMinHeight() const { return m_minHeight; }
- virtual int getMaxHeight() const { return m_maxHeight; }
- /// specific refresh window (if video controls)
- virtual void computeRefresh( int x, int y, int width, int height );
- /// Resize the layout
- virtual void resize( int width, int height );
- /**
- * Add a control in the layout at the given position, and
- * the optional given layer
- */
- virtual void addControl( CtrlGeneric *pControl,
- const Position &rPosition,
- int layer );
- /// Get the list of the controls in this layout, by layer order
- virtual const list<LayeredControl> &getControlList() const;
- /// Called by a control when its image has changed
- /**
- * The arguments indicate the size of the rectangle to refresh,
- * and the offset (from the control position) of this rectangle.
- * Use a negative width or height to refresh the layout completely
- */
- virtual void onControlUpdate( const CtrlGeneric &rCtrl,
- int width, int height,
- int xOffSet, int yOffSet );
- /// Get the list of the anchors of this layout
- virtual const list<Anchor*>& getAnchorList() const;
- /// Add an anchor to this layout
- virtual void addAnchor( Anchor *pAnchor );
- /// Called when the layout is shown
- virtual void onShow();
- /// Called when the layout is hidden
- virtual void onHide();
- /// Give access to the "active layout" variable
- // FIXME: we give read/write access
- VarBoolImpl &getActiveVar() { return *m_pVarActive; }
- private:
- /// Parent window of the layout
- TopWindow *m_pWindow;
- /// Layout size
- SkinsRect m_rect;
- int m_minWidth, m_maxWidth;
- int m_minHeight, m_maxHeight;
- /// Image of the layout
- OSGraphics *m_pImage;
- /// List of the controls in the layout
- list<LayeredControl> m_controlList;
- /// Video control(s)
- set<CtrlVideo *> m_pVideoCtrlSet;
- /// List of the anchors in the layout
- list<Anchor*> m_anchorList;
- /// Flag to know if the layout is visible
- bool m_visible;
- /// Variable for the "active state" of the layout
- /**
- * Note: the layout is not an observer on this variable, because it
- * cannot be changed externally (i.e. without an explicit change of
- * layout). This way, we avoid using a setActiveLayoutInner method.
- */
- mutable VarBoolImpl *m_pVarActive;
- };
- typedef CountedPtr<GenericLayout> GenericLayoutPtr;
- #endif