wcontrol.hpp

来自「开放源码的编译器open watcom 1.6.0版的源代码」· HPP 代码 · 共 95 行

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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*    available at www.sybase.com/developer/opensource.
*
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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****************************************************************************/


#ifndef wcontrol_class
#define wcontrol_class

#include "wwindow.hpp"
#include "wrect.hpp"


WCLASS WStatDialog;

WCLASS WControl : public WWindow {

    friend class WStatDialog;

    public:
        WEXPORT WControl( WWindow* parent, gui_control_class control_class,
                          const WRect& r, const char *text, WStyle wstyle );
        WEXPORT WControl( WStatDialog* parent, unsigned id, WStyle wstyle );
        WEXPORT ~WControl();

        unsigned controlId() { return( _control_id ); }
        WStyle   style() { return _style; }

        virtual bool processMsg( gui_event ) { return( FALSE ); }
        virtual bool WEXPORT processMsg( gui_event msg, void *parm ) {
            return( WWindow::processMsg( msg, parm ) );
        };
        virtual void WEXPORT autosize();
        virtual void WEXPORT getText( char* buff, unsigned len );
        virtual void WEXPORT getText( WString& str );
        virtual int WEXPORT getTextLength( void );
        virtual void WEXPORT setText( const char *text );
        virtual void WEXPORT setUpdates( bool start_update=TRUE );
        virtual void WEXPORT show( WWindowState state=WWinStateShow );
        virtual bool WEXPORT isVisible() { return GUIIsControlVisible( parent()->handle(), controlId() ); }
        virtual bool WEXPORT isEnabled();
        virtual void WEXPORT enable( bool state );
        virtual void WEXPORT getRectangle( WRect& r, bool absolute=FALSE );
        virtual bool WEXPORT isHidden( void );
        virtual bool WEXPORT setFocus( void );
        virtual int WEXPORT getTextExtentX( const char *text, int len ) {
            return( GUIGetControlExtentX( parent()->handle(), controlId(),
                                          (char *)text, len ) );
        }
        virtual int WEXPORT getTextExtentX( const char *text ) {
            return( GUIGetControlExtentX( parent()->handle(), controlId(),
                                          (char *)text, strlen( text ) ) );
        }
        virtual int WEXPORT getTextExtentY( const char *text ) {
            return( GUIGetControlExtentY( parent()->handle(), controlId(),
                                          (char *)text ) );
        }
        virtual void WEXPORT textMetrics( WPoint &, WPoint & );

    protected:
        virtual gui_control_class controlClass() = 0;

    private:
        unsigned            _control_id;
        WStyle              _style;
};

#endif