X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ff79234425d7521719ca857b85f14d67701f30fc..79f9ea0541e410d65899631db630e955af3b6a84:/include/wx/msw/window.h diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h index 068b7a596b..61f2bb4ae4 100644 --- a/include/wx/msw/window.h +++ b/include/wx/msw/window.h @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// // Name: wx/msw/window.h -// Purpose: wxWindow class +// Purpose: wxWindowMSW class // Author: Julian Smart // Modified by: Vadim Zeitlin on 13.05.99: complete refont of message handling, // elimination of Default(), ... @@ -13,45 +13,22 @@ #ifndef _WX_WINDOW_H_ #define _WX_WINDOW_H_ -// --------------------------------------------------------------------------- -// headers -// --------------------------------------------------------------------------- - -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma interface "window.h" -#endif - -// [at least] some version of Windows send extra mouse move messages after -// a mouse click or a key press - to temporarily fix this problem, set the -// define below to 1 -// -// a better solution should be found later... -#define wxUSE_MOUSEEVENT_HACK 0 - -#include "wx/hash.h" - -// pseudo-template HWND <-> wxWindow hash table -WX_DECLARE_HASH(wxWindow, wxWindowList, wxWinHashTable); - -extern wxWinHashTable *wxWinHandleHash; - // --------------------------------------------------------------------------- // constants // --------------------------------------------------------------------------- -// FIXME does anybody use those? they're unused by wxWindows... -enum -{ - wxKEY_SHIFT = 1, - wxKEY_CTRL = 2 -}; - // --------------------------------------------------------------------------- // wxWindow declaration for MSW // --------------------------------------------------------------------------- -class WXDLLEXPORT wxWindowMSW : public wxWindowBase +class WXDLLIMPEXP_CORE wxWindowMSW : public wxWindowBase { + friend class wxSpinCtrl; + friend class wxSlider; + friend class wxRadioBox; +#if defined __VISUALC__ && __VISUALC__ <= 1200 + friend class wxWindowMSW; +#endif public: wxWindowMSW() { Init(); } @@ -76,14 +53,23 @@ public: const wxString& name = wxPanelNameStr); // implement base class pure virtuals - virtual void SetTitle( const wxString& title); - virtual wxString GetTitle() const; + virtual void SetLabel(const wxString& label); + virtual wxString GetLabel() const; virtual void Raise(); virtual void Lower(); - virtual bool Show( bool show = TRUE ); - virtual bool Enable( bool enable = TRUE ); + virtual bool Show(bool show = true); + virtual bool ShowWithEffect(wxShowEffect effect, + unsigned timeout = 0) + { + return MSWShowWithEffect(true, effect, timeout); + } + virtual bool HideWithEffect(wxShowEffect effect, + unsigned timeout = 0) + { + return MSWShowWithEffect(false, effect, timeout); + } virtual void SetFocus(); virtual void SetFocusFromKbd(); @@ -92,13 +78,12 @@ public: virtual void WarpPointer(int x, int y); - virtual void Refresh( bool eraseBackground = TRUE, + virtual void Refresh( bool eraseBackground = true, const wxRect *rect = (const wxRect *) NULL ); virtual void Update(); - virtual void Freeze(); - virtual void Thaw(); - virtual void SetWindowStyleFlag( long style ); + virtual void SetWindowStyleFlag(long style); + virtual void SetExtraStyle(long exStyle); virtual bool SetCursor( const wxCursor &cursor ); virtual bool SetFont( const wxFont &font ); @@ -106,27 +91,29 @@ public: virtual int GetCharWidth() const; virtual void GetTextExtent(const wxString& string, int *x, int *y, - int *descent = (int *) NULL, - int *externalLeading = (int *) NULL, + int *descent = NULL, + int *externalLeading = NULL, const wxFont *theFont = (const wxFont *) NULL) const; -#if wxUSE_MENUS_NATIVE - virtual bool DoPopupMenu( wxMenu *menu, int x, int y ); -#endif // wxUSE_MENUS_NATIVE - virtual void SetScrollbar( int orient, int pos, int thumbVisible, - int range, bool refresh = TRUE ); - virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ); + int range, bool refresh = true ); + virtual void SetScrollPos( int orient, int pos, bool refresh = true ); virtual int GetScrollPos( int orient ) const; virtual int GetScrollThumb( int orient ) const; virtual int GetScrollRange( int orient ) const; virtual void ScrollWindow( int dx, int dy, - const wxRect* rect = (wxRect *) NULL ); + const wxRect* rect = NULL ); virtual bool ScrollLines(int lines); virtual bool ScrollPages(int pages); + virtual void SetLayoutDirection(wxLayoutDirection dir); + virtual wxLayoutDirection GetLayoutDirection() const; + virtual wxCoord AdjustForLayoutDirection(wxCoord x, + wxCoord width, + wxCoord widthTotal) const; + #if wxUSE_DRAG_AND_DROP virtual void SetDropTarget( wxDropTarget *dropTarget ); #endif // wxUSE_DRAG_AND_DROP @@ -134,12 +121,6 @@ public: // Accept files for dragging virtual void DragAcceptFiles(bool accept); -#if WXWIN_COMPATIBILITY_2_4 - wxDEPRECATED( bool GetUseCtl3D() const ); - wxDEPRECATED( bool GetTransparentBackground() const ); - wxDEPRECATED( void SetTransparent(bool t = TRUE) ); -#endif // WXWIN_COMPATIBILITY_2_4 - #ifndef __WXUNIVERSAL__ // Native resource loading (implemented in src/msw/nativdlg.cpp) // FIXME: should they really be all virtual? @@ -155,27 +136,61 @@ public: virtual bool UnregisterHotKey(int hotkeyId); #endif // wxUSE_HOTKEY - // implementation from now on - // -------------------------- +#ifdef __POCKETPC__ + bool IsContextMenuEnabled() const { return m_contextMenuEnabled; } + void EnableContextMenu(bool enable = true) { m_contextMenuEnabled = enable; } +#endif - // simple accessors - // ---------------- + // window handle stuff + // ------------------- WXHWND GetHWND() const { return m_hWnd; } void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; } virtual WXWidget GetHandle() const { return GetHWND(); } + void AssociateHandle(WXWidget handle); + void DissociateHandle(); + + // does this window have deferred position and/or size? + bool IsSizeDeferred() const; + + // these functions allow to register a global handler for the given Windows + // message: it will be called from MSWWindowProc() of any window which gets + // this event if it's not processed before (i.e. unlike a hook procedure it + // does not override the normal processing) + // + // notice that if you want to process a message for a given window only you + // should override its MSWWindowProc() instead + + // type of the handler: it is called with the message parameters (except + // that the window object is passed instead of window handle) and should + // return true if it handled the message or false if it should be passed to + // DefWindowProc() + typedef bool (*MSWMessageHandler)(wxWindowMSW *win, + WXUINT nMsg, + WXWPARAM wParam, + WXLPARAM lParam); + + // install a handler, shouldn't be called more than one for the same message + static bool MSWRegisterMessageHandler(int msg, MSWMessageHandler handler); + + // unregister a previously registered handler + static void MSWUnregisterMessageHandler(int msg, MSWMessageHandler handler); + + + // implementation from now on + // ========================== + // event handlers // -------------- - void OnEraseBackground(wxEraseEvent& event); void OnPaint(wxPaintEvent& event); + void OnEraseBackground(wxEraseEvent& event); +#ifdef __WXWINCE__ + void OnInitDialog(wxInitDialogEvent& event); +#endif public: - // For implementation purposes - sometimes decorations make the client area - // smaller - virtual wxPoint GetClientAreaOrigin() const; - // Windows subclassing void SubclassWin(WXHWND hWnd); void UnsubclassWin(); @@ -183,35 +198,45 @@ public: WXFARPROC MSWGetOldWndProc() const { return m_oldWndProc; } void MSWSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; } - // return TRUE if the window is of a standard (i.e. not wxWindows') class + // return true if the window is of a standard (i.e. not wxWidgets') class // // to understand why does it work, look at SubclassWin() code and comments bool IsOfStandardClass() const { return m_oldWndProc != NULL; } wxWindow *FindItem(long id) const; - wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = FALSE) const; + wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = false) const; - // MSW only: TRUE if this control is part of the main control - virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return FALSE; }; + // MSW only: true if this control is part of the main control + virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return false; } - // translate wxWindows style flags for this control into the Windows style +#if wxUSE_TOOLTIPS + // MSW only: true if this window or any of its children have a tooltip + virtual bool HasToolTips() const { return GetToolTip() != NULL; } +#endif // wxUSE_TOOLTIPS + + // translate wxWidgets style flags for this control into the Windows 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 MSWGetCreateWindowFlags() below virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const ; - // get the MSW window flags corresponding to wxWindows ones + // 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 MSWGetCreateWindowFlags(WXDWORD *exflags = NULL) const { return MSWGetStyle(GetWindowStyle(), exflags); } - // translate wxWindows coords into Windows ones suitable to be passed to + // update the real underlying window style flags to correspond to the + // current wxWindow object style (safe to call even if window isn't fully + // created yet) + void MSWUpdateStyle(long flagsOld, long exflagsOld); + + // translate wxWidgets coords into Windows ones suitable to be passed to // ::CreateWindow() // - // returns TRUE if non default coords are returned, FALSE otherwise + // returns true if non default coords are returned, false otherwise bool MSWGetCreateWindowCoords(const wxPoint& pos, const wxSize& size, int& x, int& y, @@ -220,10 +245,13 @@ public: // get the HWND to be used as parent of this window with CreateWindow() virtual WXHWND MSWGetParent() const; + // get the Win32 window class name used by all wxWindow objects by default + static const wxChar *MSWGetRegisteredClassName(); + // creates the window of specified Windows class with given style, extended // style, title and geometry (default values // - // returns TRUE if the window has been created, FALSE if creation failed + // returns true if the window has been created, false if creation failed bool MSWCreate(const wxChar *wclass, const wxChar *title = NULL, const wxPoint& pos = wxDefaultPosition, @@ -257,13 +285,13 @@ public: void UnpackScroll(WXWPARAM wParam, WXLPARAM lParam, WXWORD *code, WXWORD *pos, WXHWND *hwnd); void UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam, - WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd); + WXHDC *hdc, WXHWND *hwnd); void UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam, WXWORD *item, WXWORD *flags, WXHMENU *hmenu); // ------------------------------------------------------------------------ // internal handlers for MSW messages: all handlers return a boolean value: - // TRUE means that the handler processed the event and FALSE that it didn't + // true means that the handler processed the event and false that it didn't // ------------------------------------------------------------------------ // there are several cases where we have virtual functions for Windows @@ -278,9 +306,7 @@ public: WXWORD pos, WXHWND control); // child control notifications -#ifdef __WIN95__ virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); -#endif // __WIN95__ // owner-drawn controls need to process these messages virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item); @@ -292,33 +318,30 @@ public: bool HandleDestroy(); bool HandlePaint(); - bool HandleEraseBkgnd(WXHDC pDC); + bool HandlePrintClient(WXHDC hDC); + bool HandleEraseBkgnd(WXHDC hDC); bool HandleMinimize(); bool HandleMaximize(); bool HandleSize(int x, int y, WXUINT flag); bool HandleSizing(wxRect& rect); bool HandleGetMinMaxInfo(void *mmInfo); + bool HandleEnterSizeMove(); + bool HandleExitSizeMove(); bool HandleShow(bool show, int status); bool HandleActivate(int flag, bool minimized, WXHWND activate); bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control); - bool HandleSysCommand(WXWPARAM wParam, WXLPARAM lParam); - bool HandleCtlColor(WXHBRUSH *hBrush, - WXHDC hdc, - WXHWND hWnd, - WXUINT nCtlColor, - WXUINT message, - WXWPARAM wParam, - WXLPARAM lParam); + bool HandleCtlColor(WXHBRUSH *hBrush, WXHDC hdc, WXHWND hWnd); bool HandlePaletteChanged(WXHWND hWndPalChange); bool HandleQueryNewPalette(); bool HandleSysColorChange(); bool HandleDisplayChange(); bool HandleCaptureChanged(WXHWND gainedCapture); + virtual bool HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam); bool HandleQueryEndSession(long logOff, bool *mayEnd); bool HandleEndSession(bool endSession, long logOff); @@ -332,7 +355,7 @@ public: bool HandleMouseMove(int x, int y, WXUINT flags); bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam); - bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = FALSE); + bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = false); bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam); bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam); #if wxUSE_ACCEL @@ -341,11 +364,16 @@ public: #ifdef __WIN32__ int HandleMenuChar(int chAccel, WXLPARAM lParam); #endif + // Create and process a clipboard event specified by type. + bool HandleClipboardEvent( WXUINT nMsg ); bool HandleQueryDragIcon(WXHICON *hIcon); bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg); + bool HandlePower(WXWPARAM wParam, WXLPARAM lParam, bool *vetoed); + + // Window procedure virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); @@ -354,27 +382,57 @@ public: // message processing helpers - // return FALSE if the message shouldn't be translated/preprocessed but + // return false if the message shouldn't be translated/preprocessed but // dispatched normally virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg); - // return TRUE if the message was preprocessed and shouldn't be dispatched + // return true if the message was preprocessed and shouldn't be dispatched virtual bool MSWProcessMessage(WXMSG* pMsg); - // return TRUE if the message was translated and shouldn't be dispatched + // return true if the message was translated and shouldn't be dispatched virtual bool MSWTranslateMessage(WXMSG* pMsg); // called when the window is about to be destroyed virtual void MSWDestroyWindow(); - // 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 nCtlColor, - WXUINT message, - WXWPARAM wParam, - WXLPARAM lParam); + + // this function should return the brush to paint the children controls + // background or 0 if this window doesn't impose any particular background + // on its children + // + // the base class version returns a solid brush if we have a non default + // background colour or 0 otherwise + virtual WXHBRUSH MSWGetBgBrushForChild(WXHDC hDC, WXHWND hWnd); + + // return the background brush to use for painting the given window by + // quering the parent windows via their MSWGetBgBrushForChild() recursively + // + // hWndToPaint is normally NULL meaning this window itself, but it can also + // be a child of this window which is used by the static box and could be + // potentially useful for other transparent controls + WXHBRUSH MSWGetBgBrush(WXHDC hDC, WXHWND hWndToPaint = NULL); + + // gives the parent the possibility to draw its children background, e.g. + // this is used by wxNotebook to do it using DrawThemeBackground() + // + // return true if background was drawn, false otherwise + virtual bool MSWPrintChild(WXHDC WXUNUSED(hDC), wxWindow * WXUNUSED(child)) + { + return false; + } + + // some controls (e.g. wxListBox) need to set the return value themselves + // + // return true to let parent handle it if we don't, false otherwise + virtual bool MSWShouldPropagatePrintChild() + { + return true; + } + + // common part of Show/HideWithEffect() + bool MSWShowWithEffect(bool show, + wxShowEffect effect, + unsigned timeout); // Responds to colour changes: passes event on to children. void OnSysColourChanged(wxSysColourChangedEvent& event); @@ -385,11 +443,35 @@ public: // check if mouse is in the window bool IsMouseInWindow() const; + // check if a native double-buffering applies for this window + virtual bool IsDoubleBuffered() const; + + void SetDoubleBuffered(bool on); + + // synthesize a wxEVT_LEAVE_WINDOW event and set m_mouseInWindow to false + void GenerateMouseLeave(); + // virtual function for implementing internal idle // behaviour - virtual void OnInternalIdle() ; + virtual void OnInternalIdle(); protected: + // this allows you to implement standard control borders without + // repeating the code in different classes that are not derived from + // wxControl + virtual wxBorder GetDefaultBorderForControl() const; + + // choose the default border for this window + virtual wxBorder GetDefaultBorder() const; + + // Translate wxBORDER_THEME (and other border styles if necessary to the value + // that makes most sense for this Windows environment + virtual wxBorder TranslateBorder(wxBorder border) const; + +#if wxUSE_MENUS_NATIVE + virtual bool DoPopupMenu( wxMenu *menu, int x, int y ); +#endif // wxUSE_MENUS_NATIVE + // the window handle WXHWND m_hWnd; @@ -404,15 +486,6 @@ protected: int m_xThumbSize; int m_yThumbSize; -#if wxUSE_MOUSEEVENT_HACK - // the coordinates of the last mouse event and the type of it - long m_lastMouseX, - m_lastMouseY; - int m_lastMouseEvent; -#endif // wxUSE_MOUSEEVENT_HACK - - WXHMENU m_hMenu; // Menu, if any - // implement the base class pure virtuals virtual void DoClientToScreen( int *x, int *y ) const; virtual void DoScreenToClient( int *x, int *y ) const; @@ -427,6 +500,19 @@ protected: virtual void DoCaptureMouse(); virtual void DoReleaseMouse(); + virtual void DoEnable(bool enable); + + virtual void DoFreeze(); + virtual void DoThaw(); + + // this simply moves/resizes the given HWND which is supposed to be our + // sibling (this is useful for controls which are composite at MSW level + // and for which DoMoveWindow() is not enough) + // + // returns true if the window move was deferred, false if it was moved + // immediately (no error return) + bool DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height); + // move the window to the specified location and resize it: this is called // from both DoSetSize() and DoSetClientSize() and would usually just call // ::MoveWindow() except for composite controls which will want to arrange @@ -447,6 +533,19 @@ protected: wxKeyEvent CreateKeyEvent(wxEventType evType, int id, WXLPARAM lParam = 0, WXWPARAM wParam = 0) const; + + // default OnEraseBackground() implementation, return true if we did erase + // the background, false otherwise (i.e. the system should erase it) + bool DoEraseBackground(WXHDC hDC); + + // generate WM_CHANGEUISTATE if it's needed for the OS we're running under + // + // action should be one of the UIS_XXX constants + // state should be one or more of the UISF_XXX constants + // if action == UIS_INITIALIZE then it doesn't seem to matter what we use + // for state as the system will decide for us what needs to be set + void MSWUpdateUIState(int action, int state = 0); + private: // common part of all ctors void Init(); @@ -455,16 +554,23 @@ private: bool HandleMove(int x, int y); bool HandleMoving(wxRect& rect); bool HandleJoystickEvent(WXUINT msg, int x, int y, WXUINT flags); - -#ifdef __WIN95__ bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); -#endif // __WIN95__ - // list of disabled children before last call to our Disable() - wxWindowList *m_childrenDisabled; - // number of calls to Freeze() minus number of calls to Thaw() - unsigned int m_frozenness; + // current defer window position operation handle (may be NULL) + WXHANDLE m_hDWP; + +protected: + // When deferred positioning is done these hold the pending changes, and + // are used for the default values if another size/pos changes is done on + // this window before the group of deferred changes is completed. + wxPoint m_pendingPosition; + wxSize m_pendingSize; + +private: +#ifdef __POCKETPC__ + bool m_contextMenuEnabled; +#endif DECLARE_DYNAMIC_CLASS(wxWindowMSW) DECLARE_NO_COPY_CLASS(wxWindowMSW) @@ -475,21 +581,13 @@ private: // inline functions // ---------------------------------------------------------------------------- -#if WXWIN_COMPATIBILITY_2_4 - -inline bool wxWindowMSW::GetUseCtl3D() const { return false; } -inline bool wxWindowMSW::GetTransparentBackground() const { return false; } -inline void wxWindowMSW::SetTransparent(bool WXUNUSED(t)) { } - -#endif // WXWIN_COMPATIBILITY_2_4 - // --------------------------------------------------------------------------- // global functions // --------------------------------------------------------------------------- // kbd code translation -WXDLLEXPORT int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam = 0); -WXDLLEXPORT int wxCharCodeWXToMSW(int id, bool *IsVirtual); +WXDLLIMPEXP_CORE int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam = 0); +WXDLLIMPEXP_CORE WXWORD wxCharCodeWXToMSW(int id, bool *IsVirtual = NULL); // window creation helper class: before creating a new HWND, instantiate an // object of this class on stack - this allows to process the messages sent to @@ -501,5 +599,4 @@ public: ~wxWindowCreationHook(); }; -#endif - // _WX_WINDOW_H_ +#endif // _WX_WINDOW_H_