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