wwindow.hpp

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/****************************************************************************
*
*                            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
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  Window class prototype
*
****************************************************************************/

#ifndef wwindow_class
#define wwindow_class

#include "_windows.hpp"
#include "wkeydefs.hpp"
#include "wpaint.hpp"
#include "wmetrics.hpp"

typedef unsigned short  WMouseKeyFlags;
typedef unsigned short  WScrollPos;

// For defining WStyles for Windows:
// =================================

typedef unsigned long   WStyle;

#define _CreateStyleToWStyle( x )       (((WStyle)(x))<<16)
#define _ControlStyleToWStyle( x )      (((WStyle)(x))<<16)
#define _ScrollStyleToWStyle( x )       ((WStyle)(x))

#define _WStyleToCreateStyle( x )       ((gui_create_styles)((x & 0xffff0000)>>16))
#define _WStyleToControlStyle( x )      ((gui_control_styles)((x & 0xffff0000)>>16))
#define _WStyleToScrollStyle( x )       ((gui_scroll_styles)(x & 0x0000ffff))

// Window creation styles:

#define WStyleHScrollEvents     _CreateStyleToWStyle( GUI_HSCROLL_EVENTS )
#define WStyleVScrollEvents     _CreateStyleToWStyle( GUI_VSCROLL_EVENTS )
#define WStyleMinimize          _CreateStyleToWStyle( GUI_INIT_MINIMIZED )
#define WStyleMaximize          _CreateStyleToWStyle( GUI_INIT_MAXIMIZED )
#define WStyleSizeable          _CreateStyleToWStyle( GUI_RESIZEABLE )
#define WStylePopup             _CreateStyleToWStyle( GUI_POPUP )
#define WStyleSysMenu           _CreateStyleToWStyle( GUI_SYSTEM_MENU )
#define WStyleMinimizeBox       _CreateStyleToWStyle( GUI_MINIMIZE )
#define WStyleMaximizeBox       _CreateStyleToWStyle( GUI_MAXIMIZE )
#define WStyleCloseable         _CreateStyleToWStyle( GUI_CLOSEABLE )
#define WStyleTabGroup          _CreateStyleToWStyle( GUI_TAB_GROUP )
#define WStyleSimple            _CreateStyleToWStyle( GUI_NOFRAME )
#define WStyleSimpleFrame       _CreateStyleToWStyle( 0 )
#define WStyleDefault           (WStyleSysMenu | WStyleSizeable | \
                                 WStyleMinimizeBox |  WStyleMaximizeBox | \
                                 WStyleCloseable )

#define WStyleHScroll           _ScrollStyleToWStyle( GUI_HSCROLL )
#define WStyleVScroll           _ScrollStyleToWStyle( GUI_VSCROLL )
#define WStyleHDrag             _ScrollStyleToWStyle( GUI_HDRAG )
#define WStyleVDrag             _ScrollStyleToWStyle( GUI_VDRAG )
#define WStyleHTrack            _ScrollStyleToWStyle( GUI_HTRACK )
#define WStyleVTrack            _ScrollStyleToWStyle( GUI_VTRACK )
#define WStyleHCols             _ScrollStyleToWStyle( GUI_HCOLS )
#define WStyleVRows             _ScrollStyleToWStyle( GUI_VROWS )
#define WStyleHScrollAll        (WStyleHScroll | WStyleHDrag | \
                                 WStyleHTrack | WStyleHCols )
#define WStyleVScrollAll        (WStyleVScroll | WStyleVDrag | \
                                 WStyleVTrack | WStyleVRows )

// Scroll bar identifiers:

typedef unsigned WScrollBar;

#define WScrollBarVertical      1
#define WScrollBarHorizontal    2

// Scroll notifications:

typedef unsigned WScrollNotification;

#define WScrollUp               1
#define WScrollPageUp           2
#define WScrollDown             3
#define WScrollPageDown         4
#define WScrollTop              5
#define WScrollBottom           6
#define WScrollVertical         7
#define WScrollLeft             8
#define WScrollPageLeft         9
#define WScrollRight            10
#define WScrollPageRight        11
#define WScrollFullLeft         12
#define WScrollFullRight        13
#define WScrollHorizontal       14

#include "wstates.hpp"
#include "wres.hpp"
#include "wobject.hpp"
#include "wobjmap.hpp"
#include "wvlist.hpp"
#include "wrect.hpp"
#include "wstring.hpp"
#include "wcolour.hpp"
#include "wpoint.hpp"
#include "wlines.hpp"

WCLASS WMenu;
WCLASS WPopupMenu;
WCLASS WToolBar;
WCLASS WWindow;
WCLASS AccelKey;
WCLASS WControl;

typedef void (WObject::*cbw)( WWindow *w );
typedef bool (WObject::*bcbk)( gui_key k );

WCLASS WWindow : public WObject {
private:
    virtual bool reallyClose( void ) { return( TRUE ); }
    bool updateAutosize( void );
    void destroyWindow( void );
    AccelKey *findAccelKey( WKeyCode key );

private:
    gui_window              *_handle;
    WWindow                 *_parent;
    WMenu                   *_menu;
    WPopupMenu              *_popup;
    WToolBar                *_toolBar;
    WVList                  _children;
    WRect                   _autosize;
    gui_mouse_cursor        _prevCursor;
    gui_mouse_cursor        _currCursor;
    WOrdinal                _firstDirtyRow;
    int                     _numDirtyRows;
    bool                    _keyHandled;

protected:
    void makeWindow( const char *title, WStyle wstyle=0 );
    void autoPosition( WRect& r );
    void setParent( WWindow *parent ) { _parent = parent; }
    void setAutosize( const WRect& r ) { _autosize = r; }
    WPopupMenu *popup() { return _popup; }
    WVList & children() { return _children; }
    WWindow *nextChild( WWindow *w );
    WRect getDefSize();
    void enumChildren( void );

protected:
    bool                    _painting;
    WVList                  _accelKeys;

public:
    WEXPORT WWindow( WWindow *parent=NULL );
    WEXPORT WWindow( const char *text, WStyle style=WStyleDefault );
    WEXPORT WWindow( WWindow *parent, const char *text,
                        WStyle style=WStyleDefault );
    WEXPORT WWindow( WWindow *parent, const WRect& r, const char *text,
                        WStyle style=WStyleDefault );