///////////////////////////////////////////////////////////////////////////// // 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 // --------------------------------------------------------------------------- // 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 - 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_