wxWidgets/include/wx/os2/window.h
David Webster 45e0dc9477 OS/2 scrolling support
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13988 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-02-04 04:19:14 +00:00

599 lines
22 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: window.h
// Purpose: wxWindow class
// Author: David Webster
// Modified by:
// Created: 10/12/99
// RCS-ID: $Id$
// 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 WXDLLEXPORT wxButton;
// ---------------------------------------------------------------------------
// constants
// ---------------------------------------------------------------------------
// FIXME does anybody use those? they're unused by wxWindows...
enum
{
wxKEY_SHIFT = 1,
wxKEY_CTRL = 2
};
// ---------------------------------------------------------------------------
// wxWindow declaration for OS/2 PM
// ---------------------------------------------------------------------------
class WXDLLEXPORT 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 SetTitle(const wxString& rTitle);
virtual wxString GetTitle(void) const;
virtual void Raise(void);
virtual void Lower(void);
virtual bool Show(bool bShow = TRUE);
virtual bool Enable(bool bEnable = TRUE);
virtual void SetFocus(void);
virtual bool Reparent(wxWindow* pNewParent);
virtual void WarpPointer( int x
,int y
);
virtual void Refresh( bool bEraseBackground = TRUE
,const wxRect* pRect = (const wxRect *)NULL
);
virtual void Clear(void);
virtual void Freeze(void);
virtual void Update(void);
virtual void Thaw(void);
virtual bool SetCursor(const wxCursor& rCursor);
virtual bool SetFont(const wxFont& rFont);
virtual int GetCharHeight(void) const;
virtual int GetCharWidth(void) const;
virtual void GetTextExtent( const wxString& rString
,int* pX
,int* pY
,int* pDescent = (int *)NULL
,int* pExternalLeading = (int *)NULL
,const wxFont* pTheFont = (const wxFont *)NULL
) const;
#if wxUSE_MENUS_NATIVE
virtual bool DoPopupMenu( wxMenu* pMenu
,int nX
,int nY
);
#endif // wxUSE_MENUS_NATIVE
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 = (wxRect *)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);
#if WXWIN_COMPATIBILITY
// Set/get scroll attributes
virtual void SetScrollRange( int nOrient
,int nRange
,bool bRefresh = TRUE
);
virtual void SetScrollPage( int nOrient
,int nPage
,bool bRefresh = TRUE
);
virtual int OldGetScrollRange(int nOrient) const;
virtual int GetScrollPage(int nOrient) const;
//
// event handlers
//
// Handle a control command
virtual void OnCommand( wxWindow& rWin
,wxCommandEvent& rEvent
);
// Override to define new behaviour for default action (e.g. double
// clicking on a listbox)
virtual void OnDefaultAction(wxControl* WXUNUSED(pInitiatingItem)) { }
#endif // WXWIN_COMPATIBILITY
#if wxUSE_CARET && WXWIN_COMPATIBILITY
void CreateCaret( int nWidth
,int nHeight
);
void CreateCaret(const wxBitmap* pBitmap);
void DestroyCaret(void);
void ShowCaret(bool bShow);
void SetCaretPos( int nX
,int nY
);
void GetCaretPos( int* pX
,int* pY
) const;
#endif // wxUSE_CARET
#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 SetTransparent(bool bT = TRUE) { m_bBackgroundTransparent = bT; }
// event handlers
// --------------
void OnSetFocus(wxFocusEvent& rEvent);
void OnEraseBackground(wxEraseEvent& rEvent);
void OnIdle(wxIdleEvent& rEvent);
public:
// For implementation purposes - sometimes decorations make the client area
// smaller
virtual wxPoint GetClientAreaOrigin(void) const;
// Windows subclassing
void SubclassWin(WXHWND hWnd);
void UnsubclassWin(void);
WXFARPROC OS2GetOldWndProc(void) const { return m_fnOldWndProc; }
void OS2SetOldWndProc(WXFARPROC fnProc) { m_fnOldWndProc = fnProc; }
wxWindow* FindItem(long lId) const;
wxWindow* FindItemByHWND( WXHWND hWnd
,bool bControlOnly = FALSE
) const;
// Make a Windows extended style from the given wxWindows window style ?? applicable to OS/2??
static WXDWORD MakeExtendedStyle( long lStyle
,bool bEliminateBorders = TRUE
);
// Determine whether 3D effects are wanted
WXDWORD Determine3DEffects( WXDWORD dwDefaultBorderStyle
,bool* pbWant3D
) const;
// PM only: TRUE if this control is part of the main control
virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return FALSE; };
// returns TRUE if the window has been created
bool OS2Create( PSZ zClass
,const char* zTitle
,WXDWORD dwStyle
,const wxPoint& rPos
,const wxSize& rSize
,void* pCtlData
,WXDWORD dwExStyle
,bool bIsChild
);
virtual bool OS2Command( WXUINT uParam
,WXWORD nId
);
#if WXWIN_COMPATIBILITY
wxObject* GetChild(int nNumber) const;
virtual void OS2DeviceToLogical( float* pfX
,float* pfY
) const;
#endif // WXWIN_COMPATIBILITY
#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 bool OS2OnMeasureItem( int nId
,WXMEASUREITEMSTRUCT* pItem
);
// 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();
bool HandleSysColorChange(void);
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( WXDWORD wParam
,WXLPARAM lParam
,bool bIsASCII = FALSE
);
bool HandleKeyDown( WXWORD wParam
,WXLPARAM lParam
);
bool HandleKeyUp( WXDWORD 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
);
#if WXWIN_COMPATIBILITY
void SetShowing(bool bShow) { (void)Show(show); }
bool IsUserEnabled(void) const { return IsEnabled(); }
#endif // WXWIN_COMPATIBILITY
// 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);
protected:
// 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_bDoubleClickAllowed: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 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);
virtual void OS2Layout(int nWidth, int nHeight);
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 id, WXLPARAM lp) const;
DECLARE_DYNAMIC_CLASS(wxWindowOS2);
DECLARE_NO_COPY_CLASS(wxWindowOS2)
DECLARE_EVENT_TABLE()
private:
HWND m_hWndScrollBarHorz;
HWND m_hWndScrollBarVert;
// Virtual function hiding supression
inline virtual bool Reparent(wxWindowBase* pNewParent)
{ return(wxWindowBase::Reparent(pNewParent));};
}; // end of wxWindow
class wxWindowCreationHook
{
public:
wxWindowCreationHook(wxWindow* pWinBeingCreated);
~wxWindowCreationHook();
}; // end of CLASS wxWindowCreationHook
// ---------------------------------------------------------------------------
// global functions
// ---------------------------------------------------------------------------
// kbd code translation
WXDLLEXPORT int wxCharCodeOS2ToWX(int nKeySym);
WXDLLEXPORT int wxCharCodeWXToOS2( int nId
,bool* pbIsVirtual
);
#endif
// _WX_WINDOW_H_