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/////////////////////////////////////////////////////////////////////////////
// Name: wx/os2/window.h
// Purpose: wxWindow class
// Author: David Webster
// Modified by:
// Created: 10/12/99
// Copyright: (c) David Webster
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WINDOW_H_
#define _WX_WINDOW_H_
#define wxUSE_MOUSEEVENT_HACK 0
// ---------------------------------------------------------------------------
// headers
// ---------------------------------------------------------------------------
#define INCL_DOS
#define INCL_PM
#define INCL_GPI
#include <os2.h>
// ---------------------------------------------------------------------------
// forward declarations
// ---------------------------------------------------------------------------
#ifndef CW_USEDEFAULT
# define CW_USEDEFAULT ((int)0x80000000)
#endif
// ---------------------------------------------------------------------------
// forward declarations
// ---------------------------------------------------------------------------
class WXDLLIMPEXP_FWD_CORE wxButton;
// ---------------------------------------------------------------------------
// wxWindow declaration for OS/2 PM
// ---------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxWindowOS2 : public wxWindowBase
{
public:
wxWindowOS2()
{
Init();
}
wxWindowOS2( wxWindow* pParent
,wxWindowID vId
,const wxPoint& rPos = wxDefaultPosition
,const wxSize& rSize = wxDefaultSize
,long lStyle = 0
,const wxString& rName = wxPanelNameStr
)
{
Init();
Create( pParent
,vId
,rPos
,rSize
,lStyle
,rName
);
}
virtual ~wxWindowOS2();
bool Create( wxWindow* pParent
,wxWindowID vId
,const wxPoint& rPos = wxDefaultPosition
,const wxSize& rSize = wxDefaultSize
,long lStyle = 0
,const wxString& rName = wxPanelNameStr
);
// implement base class pure virtuals
virtual void SetLabel(const wxString& label);
virtual wxString GetLabel(void) const;
virtual void Raise(void);
virtual void Lower(void);
virtual bool Show(bool bShow = true);
virtual void DoEnable(bool bEnable);
virtual void SetFocus(void);
virtual void SetFocusFromKbd(void);
virtual bool Reparent(wxWindowBase* pNewParent);
virtual void WarpPointer( int x
,int y
);
virtual void Refresh( bool bEraseBackground = true
,const wxRect* pRect = (const wxRect *)NULL
);
virtual void Update(void);
virtual void SetWindowStyleFlag(long lStyle);
virtual bool SetCursor(const wxCursor& rCursor);
virtual bool SetFont(const wxFont& rFont);
virtual int GetCharHeight(void) const;
virtual int GetCharWidth(void) const;
virtual void SetScrollbar( int nOrient
,int nPos
,int nThumbVisible
,int nRange
,bool bRefresh = true
);
virtual void SetScrollPos( int nOrient
,int nPos
,bool bRefresh = true
);
virtual int GetScrollPos(int nOrient) const;
virtual int GetScrollThumb(int nOrient) const;
virtual int GetScrollRange(int nOrient) const;
virtual void ScrollWindow( int nDx
,int nDy
,const wxRect* pRect = NULL
);
inline HWND GetScrollBarHorz(void) const {return m_hWndScrollBarHorz;}
inline HWND GetScrollBarVert(void) const {return m_hWndScrollBarVert;}
#if wxUSE_DRAG_AND_DROP
virtual void SetDropTarget(wxDropTarget* pDropTarget);
#endif // wxUSE_DRAG_AND_DROP
// Accept files for dragging
virtual void DragAcceptFiles(bool bAccept);
#ifndef __WXUNIVERSAL__
// Native resource loading (implemented in src/os2/nativdlg.cpp)
// FIXME: should they really be all virtual?
virtual bool LoadNativeDialog( wxWindow* pParent
,wxWindowID& vId
);
virtual bool LoadNativeDialog( wxWindow* pParent
,const wxString& rName
);
wxWindow* GetWindowChild1(wxWindowID vId);
wxWindow* GetWindowChild(wxWindowID vId);
#endif //__WXUNIVERSAL__
// implementation from now on
// --------------------------
// simple accessors
// ----------------
WXHWND GetHWND(void) const { return m_hWnd; }
void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
virtual WXWidget GetHandle(void) const { return GetHWND(); }
bool GetUseCtl3D(void) const { return m_bUseCtl3D; }
bool GetTransparentBackground(void) const { return m_bBackgroundTransparent; }
void SetTransparentBackground(bool bT = true) { m_bBackgroundTransparent = bT; }
// event handlers
// --------------
void OnSetFocus(wxFocusEvent& rEvent);
void OnEraseBackground(wxEraseEvent& rEvent);
void OnIdle(wxIdleEvent& rEvent);
public:
// Windows subclassing
void SubclassWin(WXHWND hWnd);
void UnsubclassWin(void);
WXFARPROC OS2GetOldWndProc(void) const { return m_fnOldWndProc; }
void OS2SetOldWndProc(WXFARPROC fnProc) { m_fnOldWndProc = fnProc; }
//
// Return true if the window is of a standard (i.e. not wxWidgets') class
//
bool IsOfStandardClass(void) const { return m_fnOldWndProc != NULL; }
wxWindow* FindItem(long lId) const;
wxWindow* FindItemByHWND( WXHWND hWnd
,bool bControlOnly = false
) const;
// Make a Windows extended style from the given wxWidgets window style ?? applicable to OS/2??
static WXDWORD MakeExtendedStyle( long lStyle
,bool bEliminateBorders = true
);
// PM only: true if this control is part of the main control
virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; }
// translate wxWidgets style flags for this control into the PM style
// and optional extended style for the corresponding native control
//
// this is the function that should be overridden in the derived classes,
// but you will mostly use OS2GetCreateWindowFlags() below
virtual WXDWORD OS2GetStyle( long lFlags
,WXDWORD* pdwExstyle = NULL
) const;
// get the MSW window flags corresponding to wxWidgets ones
//
// the functions returns the flags (WS_XXX) directly and puts the ext
// (WS_EX_XXX) flags into the provided pointer if not NULL
WXDWORD OS2GetCreateWindowFlags(WXDWORD* pdwExflags = NULL) const
{ return OS2GetStyle(GetWindowStyle(), pdwExflags); }
// get the HWND to be used as parent of this window with CreateWindow()
virtual WXHWND OS2GetParent(void) const;
// returns true if the window has been created
bool OS2Create( PSZ zClass
,const wxChar* zTitle
,WXDWORD dwStyle
,const wxPoint& rPos
,const wxSize& rSize
,void* pCtlData
,WXDWORD dwExStyle
,bool bIsChild
);
virtual bool OS2Command( WXUINT uParam
,WXWORD nId
);
#ifndef __WXUNIVERSAL__
// Create an appropriate wxWindow from a HWND
virtual wxWindow* CreateWindowFromHWND( wxWindow* pParent
,WXHWND hWnd
);
// Make sure the window style reflects the HWND style (roughly)
virtual void AdoptAttributesFromHWND(void);
#endif
// Setup background and foreground colours correctly
virtual void SetupColours(void);
// ------------------------------------------------------------------------
// helpers for message handlers: these perform the same function as the
// message crackers from <windowsx.h> - they unpack WPARAM and LPARAM into
// the correct parameters
// ------------------------------------------------------------------------
void UnpackCommand( WXWPARAM wParam
,WXLPARAM lParam,
WXWORD* pId
,WXHWND* pHwnd
,WXWORD* pCmd
);
void UnpackActivate( WXWPARAM wParam
,WXLPARAM lParam
,WXWORD* pState
,WXHWND* pHwnd
);
void UnpackScroll( WXWPARAM wParam
,WXLPARAM lParam
,WXWORD* pCode
,WXWORD* pPos
,WXHWND* pHwnd
);
void UnpackMenuSelect( WXWPARAM wParam
,WXLPARAM lParam
,WXWORD* pTtem
,WXWORD* pFlags
,WXHMENU* pHmenu
);
// ------------------------------------------------------------------------
// internal handlers for OS2 messages: all handlers return a boolen value:
// true means that the handler processed the event and false that it didn't
// ------------------------------------------------------------------------
// there are several cases where we have virtual functions for PM
// message processing: this is because these messages often require to be
// processed in a different manner in the derived classes. For all other
// messages, however, we do *not* have corresponding OS2OnXXX() function
// and if the derived class wants to process them, it should override
// OS2WindowProc() directly.
// scroll event (both horizontal and vertical)
virtual bool OS2OnScroll( int nOrientation
,WXWORD nSBCode
,WXWORD pos
,WXHWND control
);
// owner-drawn controls need to process these messages
virtual bool OS2OnDrawItem( int nId
,WXDRAWITEMSTRUCT* pItem
);
virtual long OS2OnMeasureItem( int nId
,WXMEASUREITEMSTRUCT* pItem
);
virtual void OnPaint(wxPaintEvent& rEvent);
// the rest are not virtual
bool HandleCreate( WXLPCREATESTRUCT vCs
,bool* pMayCreate
);
bool HandleInitDialog(WXHWND hWndFocus);
bool HandleDestroy(void);
bool HandlePaint(void);
bool HandleEraseBkgnd(WXHDC vDC);
bool HandleMinimize(void);
bool HandleMaximize(void);
bool HandleSize( int nX
,int nY
,WXUINT uFlag
);
bool HandleGetMinMaxInfo(PSWP pMmInfo);
bool HandleShow( bool bShow
,int nStatus
);
bool HandleActivate( int nFlag
,WXHWND hActivate
);
bool HandleCommand( WXWORD nId
,WXWORD nCmd
,WXHWND hControl
);
bool HandleSysCommand( WXWPARAM wParam
,WXLPARAM lParam
);
bool HandlePaletteChanged(void);
bool HandleQueryNewPalette(void);
bool HandleSysColorChange(void);
bool HandleDisplayChange(void);
bool HandleCaptureChanged(WXHWND hBainedCapture);
bool HandleCtlColor(WXHBRUSH* hBrush);
bool HandleSetFocus(WXHWND hWnd);
bool HandleKillFocus(WXHWND hWnd);
bool HandleEndDrag(WXWPARAM wParam);
bool HandleMouseEvent( WXUINT uMsg
,int nX
,int nY
,WXUINT uFlags
);
bool HandleMouseMove( int nX
,int nY
,WXUINT uFlags
);
bool HandleChar( WXWPARAM wParam
,WXLPARAM lParam
,bool bIsASCII = false
);
bool HandleKeyDown( WXWPARAM wParam
,WXLPARAM lParam
);
bool HandleKeyUp( WXWPARAM wParam
,WXLPARAM lParam
);
bool HandleQueryDragIcon(WXHICON* phIcon);
bool HandleSetCursor( USHORT vId
,WXHWND hWnd
);
bool IsMouseInWindow(void) const;
bool OS2GetCreateWindowCoords( const wxPoint& rPos
,const wxSize& rSize
,int& rnX
,int& rnY
,int& rnWidth
,int& rnHeight
) const;
// Window procedure
virtual MRESULT OS2WindowProc( WXUINT uMsg
,WXWPARAM wParam
,WXLPARAM lParam
);
// Calls an appropriate default window procedure
virtual MRESULT OS2DefWindowProc( WXUINT uMsg
,WXWPARAM wParam
,WXLPARAM lParam
);
virtual bool OS2ProcessMessage(WXMSG* pMsg);
virtual bool OS2ShouldPreProcessMessage(WXMSG* pMsg);
virtual bool OS2TranslateMessage(WXMSG* pMsg);
virtual void OS2DestroyWindow(void);
// this function should return the brush to paint the window background
// with or 0 for the default brush
virtual WXHBRUSH OnCtlColor( WXHDC hDC
,WXHWND hWnd
,WXUINT uCtlColor
,WXUINT uMessage
,WXWPARAM wParam
,WXLPARAM lParam
);
// Responds to colour changes: passes event on to children.
void OnSysColourChanged(wxSysColourChangedEvent& rEvent);
// initialize various fields of wxMouseEvent (common part of OS2OnMouseXXX)
void InitMouseEvent( wxMouseEvent& rEvent
,int nX
,int nY
,WXUINT uFlags
);
void MoveChildren(int nDiff);
PSWP GetSwp(void) {return &m_vWinSwp;}
protected:
virtual void DoFreeze(void);
virtual void DoThaw(void);
// PM can't create some MSW styles natively but can perform these after
// creation by sending messages
typedef enum extra_flags { kFrameToolWindow = 0x0001
,kVertCaption = 0x0002
,kHorzCaption = 0x0004
} EExtraFlags;
// Some internal sizeing id's to make it easy for event handlers
typedef enum size_types { kSizeNormal
,kSizeMax
,kSizeMin
} ESizeTypes;
// the window handle
WXHWND m_hWnd;
// the old window proc (we subclass all windows)
WXFARPROC m_fnOldWndProc;
// additional (OS2 specific) flags
bool m_bUseCtl3D:1; // Using CTL3D for this control
bool m_bBackgroundTransparent:1;
bool m_bMouseInWindow:1;
bool m_bLastKeydownProcessed:1;
bool m_bWinCaptured:1;
WXDWORD m_dwExStyle;
// the size of one page for scrolling
int m_nXThumbSize;
int m_nYThumbSize;
#if wxUSE_MOUSEEVENT_HACK
// the coordinates of the last mouse event and the type of it
long m_lLastMouseX,
long m_lLastMouseY;
int m_nLastMouseEvent;
#endif // wxUSE_MOUSEEVENT_HACK
WXHMENU m_hMenu; // Menu, if any
unsigned long m_ulMenubarId; // it's Id, if any
// the return value of WM_GETDLGCODE handler
long m_lDlgCode;
// implement the base class pure virtuals
virtual void GetTextExtent( const wxString& rString
,int* pX
,int* pY
,int* pDescent = NULL
,int* pExternalLeading = NULL
,const wxFont* pTheFont = NULL
) const;
#if wxUSE_MENUS_NATIVE
virtual bool DoPopupMenu( wxMenu* pMenu
,int nX
,int nY
);
#endif // wxUSE_MENUS_NATIVE
virtual void DoClientToScreen( int* pX
,int* pY
) const;
virtual void DoScreenToClient( int* pX
,int* pY
) const;
virtual void DoGetPosition( int* pX
,int* pY
) const;
virtual void DoGetSize( int* pWidth
,int* pHeight
) const;
virtual void DoGetClientSize( int* pWidth
,int* pHeight
) const;
virtual void DoSetSize( int nX
,int nY
,int nWidth
,int nHeight
,int nSizeFlags = wxSIZE_AUTO
);
virtual void DoSetClientSize( int nWidth
,int nHeight
);
virtual void DoCaptureMouse(void);
virtual void DoReleaseMouse(void);
// move the window to the specified location and resize it: this is called
// from both DoSetSize() and DoSetClientSize() and would usually just call
// ::WinSetWindowPos() except for composite controls which will want to arrange
// themselves inside the given rectangle
virtual void DoMoveWindow( int nX
,int nY
,int nWidth
,int nHeight
);
#if wxUSE_TOOLTIPS
virtual void DoSetToolTip(wxToolTip* pTip);
#endif // wxUSE_TOOLTIPS
int GetOS2ParentHeight(wxWindowOS2* pParent);
private:
// common part of all ctors
void Init(void);
// the (non-virtual) handlers for the events
bool HandleMove( int nX
,int nY
);
bool HandleJoystickEvent( WXUINT uMsg
,int pX
,int pY
,WXUINT uFlags
);
bool HandleNotify( int nIdCtrl
,WXLPARAM lParam
,WXLPARAM* pResult
);
// the helper functions used by HandleChar/KeyXXX methods
wxKeyEvent CreateKeyEvent( wxEventType evType
,int nId
,WXLPARAM lParam = 0
,WXWPARAM wParam = 0
) const;
HWND m_hWndScrollBarHorz;
HWND m_hWndScrollBarVert;
SWP m_vWinSwp;
DECLARE_DYNAMIC_CLASS(wxWindowOS2);
wxDECLARE_NO_COPY_CLASS(wxWindowOS2);
DECLARE_EVENT_TABLE()
}; // end of wxWindow
class wxWindowCreationHook
{
public:
wxWindowCreationHook(wxWindow* pWinBeingCreated);
~wxWindowCreationHook();
}; // end of CLASS wxWindowCreationHook
// ---------------------------------------------------------------------------
// global functions
// ---------------------------------------------------------------------------
// kbd code translation
WXDLLIMPEXP_CORE int wxCharCodeOS2ToWX(int nKeySym);
WXDLLIMPEXP_CORE int wxCharCodeWXToOS2( int nId
,bool* pbIsVirtual = NULL
);
// ----------------------------------------------------------------------------
// global objects
// ----------------------------------------------------------------------------
// notice that this hash must be defined after wxWindow declaration as it
// needs to "see" its dtor and not just forward declaration
#include "wx/hash.h"
// pseudo-template HWND <-> wxWindow hash table
WX_DECLARE_HASH(wxWindowOS2, wxWindowList, wxWinHashTable);
extern wxWinHashTable *wxWinHandleHash;
#endif // _WX_WINDOW_H_
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