df613907d0
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7977 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
449 lines
16 KiB
C++
449 lines
16 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: window.h
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// Purpose: wxWindow class
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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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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// ---------------------------------------------------------------------------
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// headers
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// ---------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma interface "window.h"
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#endif
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// #include "wx/msw/winundef.h"
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// VZ: apparently some version of Windows send extra mouse move messages after
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// a mouse click. My tests under NT 4.0 and 95 didn't show it so I'm
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// tempted to think that it was just an effect of a poor mouse and so the
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// code to work around this is currently disabled - just define this as 1
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// to reenable it
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#define wxUSE_MOUSEEVENT_HACK 0
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// ---------------------------------------------------------------------------
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// forward declarations
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// ---------------------------------------------------------------------------
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class WXDLLEXPORT wxButton;
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// ---------------------------------------------------------------------------
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// constants
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// ---------------------------------------------------------------------------
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// FIXME does anybody use those? they're unused by wxWindows...
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enum
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{
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wxKEY_SHIFT = 1,
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wxKEY_CTRL = 2
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};
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// ---------------------------------------------------------------------------
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// wxWindow declaration for MSW
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// ---------------------------------------------------------------------------
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class WXDLLEXPORT wxWindow : public wxWindowBase
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{
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public:
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wxWindow() { Init(); }
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wxWindow(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxPanelNameStr)
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{
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Init();
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Create(parent, id, pos, size, style, name);
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}
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virtual ~wxWindow();
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bool Create(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = wxPanelNameStr);
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// implement base class pure virtuals
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virtual void SetTitle( const wxString& title);
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virtual wxString GetTitle() const;
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virtual void Raise();
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virtual void Lower();
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virtual bool Show( bool show = TRUE );
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virtual bool Enable( bool enable = TRUE );
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virtual void SetFocus();
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virtual bool Reparent( wxWindow *newParent );
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virtual void WarpPointer(int x, int y);
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virtual void CaptureMouse();
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virtual void ReleaseMouse();
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virtual void Refresh( bool eraseBackground = TRUE,
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const wxRect *rect = (const wxRect *) NULL );
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virtual void Clear();
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virtual bool SetCursor( const wxCursor &cursor );
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virtual bool SetFont( const wxFont &font );
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virtual int GetCharHeight() const;
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virtual int GetCharWidth() const;
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virtual void GetTextExtent(const wxString& string,
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int *x, int *y,
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int *descent = (int *) NULL,
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int *externalLeading = (int *) NULL,
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const wxFont *theFont = (const wxFont *) NULL)
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const;
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virtual bool DoPopupMenu( wxMenu *menu, int x, int y );
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virtual void SetScrollbar( int orient, int pos, int thumbVisible,
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int range, bool refresh = TRUE );
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virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
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virtual int GetScrollPos( int orient ) const;
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virtual int GetScrollThumb( int orient ) const;
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virtual int GetScrollRange( int orient ) const;
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virtual void ScrollWindow( int dx, int dy,
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const wxRect* rect = (wxRect *) NULL );
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#if wxUSE_DRAG_AND_DROP
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virtual void SetDropTarget( wxDropTarget *dropTarget );
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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 accept);
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#if WXWIN_COMPATIBILITY
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// Set/get scroll attributes
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virtual void SetScrollRange(int orient, int range, bool refresh = TRUE);
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virtual void SetScrollPage(int orient, int page, bool refresh = TRUE);
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virtual int OldGetScrollRange(int orient) const;
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virtual int GetScrollPage(int orient) const;
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// event handlers
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// Handle a control command
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virtual void OnCommand(wxWindow& win, wxCommandEvent& event);
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// Override to define new behaviour for default action (e.g. double
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// clicking on a listbox)
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virtual void OnDefaultAction(wxControl * WXUNUSED(initiatingItem)) { }
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#endif // WXWIN_COMPATIBILITY
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#if wxUSE_CARET && WXWIN_COMPATIBILITY
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// caret manipulation (old MSW only functions, see wxCaret class for the
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// new API)
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void CreateCaret(int w, int h);
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void CreateCaret(const wxBitmap *bitmap);
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void DestroyCaret();
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void ShowCaret(bool show);
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void SetCaretPos(int x, int y);
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void GetCaretPos(int *x, int *y) const;
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#endif // wxUSE_CARET
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// Native resource loading (implemented in src/msw/nativdlg.cpp)
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// FIXME: should they really be all virtual?
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virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id);
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virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name);
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wxWindow* GetWindowChild1(wxWindowID id);
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wxWindow* GetWindowChild(wxWindowID id);
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// a MSW only function which sends a size event to the window using its
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// current size - this has an effect of refreshing the window layout
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void SendSizeEvent();
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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() const { return m_hWnd; }
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void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
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virtual WXWidget GetHandle() const { return GetHWND(); }
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bool GetUseCtl3D() const { return m_useCtl3D; }
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bool GetTransparentBackground() const { return m_backgroundTransparent; }
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void SetTransparent(bool t = TRUE) { m_backgroundTransparent = t; }
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// event handlers
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// --------------
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void OnSetFocus(wxFocusEvent& event);
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void OnEraseBackground(wxEraseEvent& event);
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void OnIdle(wxIdleEvent& event);
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void OnPaint(wxPaintEvent& event);
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public:
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// For implementation purposes - sometimes decorations make the client area
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// smaller
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virtual wxPoint GetClientAreaOrigin() const;
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// Makes an adjustment to the window position (for example, a frame that has
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// a toolbar that it manages itself).
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virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags);
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// Windows subclassing
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void SubclassWin(WXHWND hWnd);
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void UnsubclassWin();
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WXFARPROC MSWGetOldWndProc() const { return m_oldWndProc; }
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void MSWSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; }
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wxWindow *FindItem(long id) const;
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wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = FALSE) const;
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// Make a Windows extended style from the given wxWindows window style
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static WXDWORD MakeExtendedStyle(long style,
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bool eliminateBorders = FALSE);
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// Determine whether 3D effects are wanted
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WXDWORD Determine3DEffects(WXDWORD defaultBorderStyle, bool *want3D) const;
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// MSW 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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// returns TRUE if the window has been created
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bool MSWCreate(int id,
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wxWindow *parent,
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const wxChar *wclass,
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wxWindow *wx_win,
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const wxChar *title,
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int x, int y, int width, int height,
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WXDWORD style,
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const wxChar *dialog_template = NULL,
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WXDWORD exendedStyle = 0);
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virtual bool MSWCommand(WXUINT param, WXWORD id);
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#if WXWIN_COMPATIBILITY
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wxObject *GetChild(int number) const;
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virtual void MSWDeviceToLogical(float *x, float *y) const;
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#endif // WXWIN_COMPATIBILITY
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// Create an appropriate wxWindow from a HWND
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virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd);
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// Make sure the window style reflects the HWND style (roughly)
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virtual void AdoptAttributesFromHWND();
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// Setup background and foreground colours correctly
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virtual void SetupColours();
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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, WXLPARAM lParam,
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WXWORD *id, WXHWND *hwnd, WXWORD *cmd);
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void UnpackActivate(WXWPARAM wParam, WXLPARAM lParam,
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WXWORD *state, WXWORD *minimized, WXHWND *hwnd);
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void UnpackScroll(WXWPARAM wParam, WXLPARAM lParam,
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WXWORD *code, WXWORD *pos, WXHWND *hwnd);
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void UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam,
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WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd);
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void UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam,
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WXWORD *item, WXWORD *flags, WXHMENU *hmenu);
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// ------------------------------------------------------------------------
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// internal handlers for MSW 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 Windows
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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 MSWOnXXX() function
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// and if the derived class wants to process them, it should override
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// MSWWindowProc() directly.
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// scroll event (both horizontal and vertical)
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virtual bool MSWOnScroll(int orientation, WXWORD nSBCode,
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WXWORD pos, WXHWND control);
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// child control notifications
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#ifdef __WIN95__
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virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
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#endif // __WIN95__
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// owner-drawn controls need to process these messages
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virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item);
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virtual bool MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item);
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// the rest are not virtual
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bool HandleCreate(WXLPCREATESTRUCT cs, bool *mayCreate);
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bool HandleInitDialog(WXHWND hWndFocus);
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bool HandleDestroy();
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bool HandlePaint();
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bool HandleEraseBkgnd(WXHDC pDC);
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bool HandleMinimize();
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bool HandleMaximize();
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bool HandleSize(int x, int y, WXUINT flag);
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bool HandleGetMinMaxInfo(void *mmInfo);
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bool HandleShow(bool show, int status);
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bool HandleActivate(int flag, bool minimized, WXHWND activate);
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bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
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bool HandleSysCommand(WXWPARAM wParam, WXLPARAM lParam);
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bool HandleCtlColor(WXHBRUSH *hBrush,
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WXHDC hdc,
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WXHWND hWnd,
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WXUINT nCtlColor,
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WXUINT message,
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WXWPARAM wParam,
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WXLPARAM lParam);
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bool HandlePaletteChanged(WXHWND hWndPalChange);
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bool HandleQueryNewPalette();
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bool HandleSysColorChange();
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bool HandleQueryEndSession(long logOff, bool *mayEnd);
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bool HandleEndSession(bool endSession, long logOff);
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bool HandleSetFocus(WXHWND wnd);
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bool HandleKillFocus(WXHWND wnd);
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bool HandleDropFiles(WXWPARAM wParam);
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bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags);
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bool HandleMouseMove(int x, int y, WXUINT flags);
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bool HandleChar(WXWORD wParam, WXLPARAM lParam, bool isASCII = FALSE);
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bool HandleKeyDown(WXWORD wParam, WXLPARAM lParam);
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bool HandleKeyUp(WXWORD wParam, WXLPARAM lParam);
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bool HandleQueryDragIcon(WXHICON *hIcon);
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bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg);
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// Window procedure
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virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
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// Calls an appropriate default window procedure
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virtual long MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
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virtual bool MSWProcessMessage(WXMSG* pMsg);
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virtual bool MSWTranslateMessage(WXMSG* pMsg);
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virtual void MSWDestroyWindow();
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// Detach "Window" menu from menu bar so it doesn't get deleted
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void MSWDetachWindowMenu();
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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 nCtlColor,
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WXUINT message,
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WXWPARAM wParam,
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WXLPARAM lParam);
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#if WXWIN_COMPATIBILITY
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void SetShowing(bool show) { (void)Show(show); }
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bool IsUserEnabled() const { return IsEnabled(); }
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#endif // WXWIN_COMPATIBILITY
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// Responds to colour changes: passes event on to children.
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void OnSysColourChanged(wxSysColourChangedEvent& event);
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// initialize various fields of wxMouseEvent (common part of MSWOnMouseXXX)
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void InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags);
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protected:
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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_oldWndProc;
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// additional (MSW specific) flags
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bool m_useCtl3D:1; // Using CTL3D for this control
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bool m_backgroundTransparent:1;
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bool m_mouseInWindow:1;
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bool m_doubleClickAllowed:1;
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bool m_winCaptured:1;
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// the size of one page for scrolling
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int m_xThumbSize;
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int m_yThumbSize;
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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_lastMouseX,
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m_lastMouseY;
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int m_lastMouseEvent;
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#endif // wxUSE_MOUSEEVENT_HACK
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WXHMENU m_hMenu; // Menu, 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 DoClientToScreen( int *x, int *y ) const;
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virtual void DoScreenToClient( int *x, int *y ) const;
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virtual void DoGetPosition( int *x, int *y ) const;
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virtual void DoGetSize( int *width, int *height ) const;
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virtual void DoGetClientSize( int *width, int *height ) const;
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virtual void DoSetSize(int x, int y,
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int width, int height,
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int sizeFlags = wxSIZE_AUTO);
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virtual void DoSetClientSize(int width, int height);
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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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// ::MoveWindow() 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 x, int y, int width, int height);
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#if wxUSE_TOOLTIPS
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virtual void DoSetToolTip( wxToolTip *tip );
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#endif // wxUSE_TOOLTIPS
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private:
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// common part of all ctors
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void Init();
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// the (non-virtual) handlers for the events
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bool HandleMove(int x, int y);
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bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags);
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#ifdef __WIN95__
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bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
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#endif // __WIN95__
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// the helper functions used by HandleChar/KeyXXX methods
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wxKeyEvent CreateKeyEvent(wxEventType evType, int id, WXLPARAM lp) const;
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DECLARE_DYNAMIC_CLASS(wxWindow);
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DECLARE_NO_COPY_CLASS(wxWindow);
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DECLARE_EVENT_TABLE()
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};
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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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WXDLLEXPORT int wxCharCodeMSWToWX(int keySym);
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WXDLLEXPORT int wxCharCodeWXToMSW(int id, bool *IsVirtual);
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#endif
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// _WX_WINDOW_H_
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