X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/85d10d9bbb92b967eea4d2307ce4956aff5e6f46..138618acb91e2a879a735c5806f9f728220f14df:/include/wx/msw/window.h?ds=sidebyside diff --git a/include/wx/msw/window.h b/include/wx/msw/window.h index 643d79f01d..bd2d747fbd 100644 --- a/include/wx/msw/window.h +++ b/include/wx/msw/window.h @@ -1,8 +1,9 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: window.h +// Name: wx/msw/window.h // Purpose: wxWindow class // Author: Julian Smart -// Modified by: +// Modified by: Vadim Zeitlin on 13.05.99: complete refont of message handling, +// elimination of Default(), ... // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem @@ -20,27 +21,19 @@ #pragma interface "window.h" #endif -// windows.h #defines the following identifiers which are also used in wxWin -#ifdef GetCharWidth - #undef GetCharWidth -#endif - -#ifdef FindWindow - #undef FindWindow -#endif - -// VZ: apparently some version of Windows send extra mouse move messages after -// a mouse click. My tests under NT 4.0 and 95 didn't show it so I'm -// tempted to think that it was just an effect of a poor mouse and so the -// code to work around this is currently disabled - just define this as 1 -// to reenable it +// [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 -// --------------------------------------------------------------------------- -// forward declarations -// --------------------------------------------------------------------------- +#include "wx/hash.h" + +// pseudo-template HWND <-> wxWindow hash table +WX_DECLARE_HASH(wxWindow, wxWindowList, wxWinHashTable); -class WXDLLEXPORT wxButton; +extern wxWinHashTable *wxWinHandleHash; // --------------------------------------------------------------------------- // constants @@ -56,25 +49,24 @@ enum // --------------------------------------------------------------------------- // wxWindow declaration for MSW // --------------------------------------------------------------------------- -class WXDLLEXPORT wxWindow : public wxWindowBase -{ - DECLARE_DYNAMIC_CLASS(wxWindow); +class WXDLLEXPORT wxWindowMSW : public wxWindowBase +{ public: - wxWindow() { Init(); } - - wxWindow(wxWindow *parent, - wxWindowID id, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long style = 0, - const wxString& name = wxPanelNameStr) + wxWindowMSW() { Init(); } + + wxWindowMSW(wxWindow *parent, + wxWindowID id, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = 0, + const wxString& name = wxPanelNameStr) { Init(); Create(parent, id, pos, size, style, name); } - virtual ~wxWindow(); + virtual ~wxWindowMSW(); bool Create(wxWindow *parent, wxWindowID id, @@ -84,6 +76,9 @@ public: const wxString& name = wxPanelNameStr); // implement base class pure virtuals + virtual void SetTitle( const wxString& title); + virtual wxString GetTitle() const; + virtual void Raise(); virtual void Lower(); @@ -91,17 +86,20 @@ public: virtual bool Enable( bool enable = TRUE ); virtual void SetFocus(); + virtual void SetFocusFromKbd(); - virtual bool Reparent( wxWindow *newParent ); + virtual bool Reparent(wxWindowBase *newParent); virtual void WarpPointer(int x, int y); - virtual void CaptureMouse(); - virtual void ReleaseMouse(); virtual void Refresh( bool eraseBackground = TRUE, const wxRect *rect = (const wxRect *) NULL ); + virtual void Update(); virtual void Clear(); + virtual void Freeze(); + virtual void Thaw(); + virtual void SetWindowStyleFlag( long style ); virtual bool SetCursor( const wxCursor &cursor ); virtual bool SetFont( const wxFont &font ); @@ -114,10 +112,9 @@ public: const wxFont *theFont = (const wxFont *) NULL) const; - virtual void ClientToScreen( int *x, int *y ) const; - virtual void ScreenToClient( int *x, int *y ) const; - - virtual bool PopupMenu( wxMenu *menu, int x, int y ); +#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 ); @@ -128,6 +125,9 @@ public: virtual void ScrollWindow( int dx, int dy, const wxRect* rect = (wxRect *) NULL ); + virtual bool ScrollLines(int lines); + virtual bool ScrollPages(int pages); + #if wxUSE_DRAG_AND_DROP virtual void SetDropTarget( wxDropTarget *dropTarget ); #endif // wxUSE_DRAG_AND_DROP @@ -141,30 +141,35 @@ public: virtual void SetScrollPage(int orient, int page, bool refresh = TRUE); virtual int OldGetScrollRange(int orient) const; virtual int GetScrollPage(int orient) const; -#endif // WXWIN_COMPATIBILITY - - // caret manipulation (MSW only) - virtual void CreateCaret(int w, int h); - virtual void CreateCaret(const wxBitmap *bitmap); - virtual void DestroyCaret(); - virtual void ShowCaret(bool show); - virtual void SetCaretPos(int x, int y); - virtual void GetCaretPos(int *x, int *y) const; - // event handlers (FIXME: shouldn't they be inside WXWIN_COMPATIBILITY?) + // event handlers // Handle a control command virtual void OnCommand(wxWindow& win, wxCommandEvent& event); // Override to define new behaviour for default action (e.g. double // clicking on a listbox) - virtual void OnDefaultAction(wxControl *initiatingItem); + virtual void OnDefaultAction(wxControl * WXUNUSED(initiatingItem)) { } +#endif // WXWIN_COMPATIBILITY +#if wxUSE_CARET && WXWIN_COMPATIBILITY + // caret manipulation (old MSW only functions, see wxCaret class for the + // new API) + void CreateCaret(int w, int h); + void CreateCaret(const wxBitmap *bitmap); + void DestroyCaret(); + void ShowCaret(bool show); + void SetCaretPos(int x, int y); + void GetCaretPos(int *x, int *y) const; +#endif // wxUSE_CARET + +#ifndef __WXUNIVERSAL__ // Native resource loading (implemented in src/msw/nativdlg.cpp) // FIXME: should they really be all virtual? virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id); virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name); - virtual wxWindow* GetWindowChild1(wxWindowID id); - virtual wxWindow* GetWindowChild(wxWindowID id); + wxWindow* GetWindowChild1(wxWindowID id); + wxWindow* GetWindowChild(wxWindowID id); +#endif // __WXUNIVERSAL__ // implementation from now on // -------------------------- @@ -182,139 +187,214 @@ public: // event handlers // -------------- + void OnEraseBackground(wxEraseEvent& event); void OnIdle(wxIdleEvent& event); - - // a window may have a default button - // TODO move into wxPanel and/or wxFrame - wxButton *GetDefaultItem() const { return m_btnDefault; } - void SetDefaultItem(wxButton *btn) { m_btnDefault = btn; } + void OnPaint(wxPaintEvent& event); public: // For implementation purposes - sometimes decorations make the client area // smaller virtual wxPoint GetClientAreaOrigin() const; - // Makes an adjustment to the window position (for example, a frame that has - // a toolbar that it manages itself). - virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags); - // Windows subclassing void SubclassWin(WXHWND hWnd); void UnsubclassWin(); - virtual bool MSWCommand(WXUINT param, WXWORD id); WXFARPROC MSWGetOldWndProc() const { return m_oldWndProc; } void MSWSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; } - virtual wxWindow *FindItem(int id) const; - virtual wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = FALSE) const ; - virtual void PreDelete(WXHDC dc); // Allows system cleanup + // return TRUE if the window is of a standard (i.e. not wxWindows') 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; // Make a Windows extended style from the given wxWindows window style - virtual WXDWORD MakeExtendedStyle(long style, bool eliminateBorders = TRUE); + static WXDWORD MakeExtendedStyle(long style, + bool eliminateBorders = FALSE); + // Determine whether 3D effects are wanted - virtual WXDWORD Determine3DEffects(WXDWORD defaultBorderStyle, bool *want3D); + WXDWORD Determine3DEffects(WXDWORD defaultBorderStyle, bool *want3D) const; // MSW only: TRUE if this control is part of the main control virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return FALSE; }; - wxObject *GetChild(int number) const ; - - // returns TRUE if the window has been created - bool MSWCreate(int id, - wxWindow *parent, - const char *wclass, - wxWindow *wx_win, - const char *title, - int x, int y, int width, int height, - WXDWORD style, - const char *dialog_template = NULL, + // translate wxWindows 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 + // + // 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 + // ::CreateWindow() + // + // returns TRUE if non default coords are returned, FALSE otherwise + bool MSWGetCreateWindowCoords(const wxPoint& pos, + const wxSize& size, + int& x, int& y, + int& w, int& h) const; + + // get the HWND to be used as parent of this window with CreateWindow() + virtual WXHWND MSWGetParent() const; + + // 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 + bool MSWCreate(const wxChar *wclass, + const wxChar *title = NULL, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + WXDWORD style = 0, WXDWORD exendedStyle = 0); - // Actually defined in wx_canvs.cc since requires wxCanvas declaration - virtual void MSWDeviceToLogical(float *x, float *y) const ; + virtual bool MSWCommand(WXUINT param, WXWORD id); + +#if WXWIN_COMPATIBILITY + wxObject *GetChild(int number) const; + virtual void MSWDeviceToLogical(float *x, float *y) const; +#endif // WXWIN_COMPATIBILITY +#ifndef __WXUNIVERSAL__ // Create an appropriate wxWindow from a HWND virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd); // Make sure the window style reflects the HWND style (roughly) virtual void AdoptAttributesFromHWND(); +#endif // __WXUNIVERSAL__ // Setup background and foreground colours correctly virtual void SetupColours(); // ------------------------------------------------------------------------ - // internal handlers for MSW messages: all handlers return a boolen value: - // TRUE means that the handler processed the event and FALSE that it didn't + // helpers for message handlers: these perform the same function as the + // message crackers from - they unpack WPARAM and LPARAM into + // the correct parameters // ------------------------------------------------------------------------ - // TODO: all this should go away, overriding MSWWindowProc() is enough to - // implement this functionality - virtual bool MSWOnCreate(WXLPCREATESTRUCT cs, bool *mayCreate); - virtual bool MSWOnPaint(); - virtual bool MSWOnEraseBkgnd(WXHDC pDC); - virtual bool MSWOnSize(int x, int y, WXUINT flag); + void UnpackCommand(WXWPARAM wParam, WXLPARAM lParam, + WXWORD *id, WXHWND *hwnd, WXWORD *cmd); + void UnpackActivate(WXWPARAM wParam, WXLPARAM lParam, + WXWORD *state, WXWORD *minimized, WXHWND *hwnd); + void UnpackScroll(WXWPARAM wParam, WXLPARAM lParam, + WXWORD *code, WXWORD *pos, WXHWND *hwnd); + void UnpackCtlColor(WXWPARAM wParam, WXLPARAM lParam, + WXWORD *nCtlColor, WXHDC *hdc, WXHWND *hwnd); + void UnpackMenuSelect(WXWPARAM wParam, WXLPARAM lParam, + WXWORD *item, WXWORD *flags, WXHMENU *hmenu); - virtual bool MSWOnQueryDragIcon(WXHICON *hIcon); - virtual bool MSWOnWindowPosChanging(void *lpPos); + // ------------------------------------------------------------------------ + // 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 + // ------------------------------------------------------------------------ + + // there are several cases where we have virtual functions for Windows + // 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 MSWOnXXX() function + // and if the derived class wants to process them, it should override + // MSWWindowProc() directly. - // both horizontal and vertical + // scroll event (both horizontal and vertical) virtual bool MSWOnScroll(int orientation, WXWORD nSBCode, WXWORD pos, WXHWND control); - virtual bool MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control); - virtual bool MSWOnSysCommand(WXWPARAM wParam, WXLPARAM lParam); - + // child control notifications #ifdef __WIN95__ virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); #endif // __WIN95__ - virtual bool MSWOnCtlColor(WXHBRUSH *hBrush, - WXHDC hdc, - WXHWND hWnd, - WXUINT nCtlColor, - WXUINT message, - WXWPARAM wParam, - WXLPARAM lParam); + // owner-drawn controls need to process these messages + virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item); + virtual bool MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item); - virtual bool MSWOnPaletteChanged(WXHWND hWndPalChange); - virtual bool MSWOnQueryNewPalette(); + // the rest are not virtual + bool HandleCreate(WXLPCREATESTRUCT cs, bool *mayCreate); + bool HandleInitDialog(WXHWND hWndFocus); + bool HandleDestroy(); - virtual bool MSWOnQueryEndSession(long logOff, bool *mayEnd); - virtual bool MSWOnEndSession(bool endSession, long logOff); + bool HandlePaint(); + bool HandleEraseBkgnd(WXHDC pDC); - virtual bool MSWOnDestroy(); - virtual bool MSWOnSetFocus(WXHWND wnd); - virtual bool MSWOnKillFocus(WXHWND wnd); - virtual bool MSWOnDropFiles(WXWPARAM wParam); - virtual bool MSWOnInitDialog(WXHWND hWndFocus); - virtual bool MSWOnShow(bool show, int status); + bool HandleMinimize(); + bool HandleMaximize(); + bool HandleSize(int x, int y, WXUINT flag); + bool HandleGetMinMaxInfo(void *mmInfo); - virtual bool MSWOnMouseEvent(WXUINT msg, int x, int y, WXUINT flags); - virtual bool MSWOnMouseMove(int x, int y, WXUINT flags); + bool HandleShow(bool show, int status); + bool HandleActivate(int flag, bool minimized, WXHWND activate); - virtual bool MSWOnChar(WXWORD wParam, WXLPARAM lParam, bool isASCII = FALSE); - virtual bool MSWOnKeyDown(WXWORD wParam, WXLPARAM lParam); - virtual bool MSWOnKeyUp(WXWORD wParam, WXLPARAM lParam); + bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control); + bool HandleSysCommand(WXWPARAM wParam, WXLPARAM lParam); - virtual bool MSWOnActivate(int flag, bool minimized, WXHWND activate); - virtual bool MSWOnMDIActivate(long flag, WXHWND activate, WXHWND deactivate); + bool HandleCtlColor(WXHBRUSH *hBrush, + WXHDC hdc, + WXHWND hWnd, + WXUINT nCtlColor, + WXUINT message, + WXWPARAM wParam, + WXLPARAM lParam); - virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item); - virtual bool MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item); + bool HandlePaletteChanged(WXHWND hWndPalChange); + bool HandleQueryNewPalette(); + bool HandleSysColorChange(); + bool HandleDisplayChange(); + bool HandleCaptureChanged(WXHWND gainedCapture); + + bool HandleQueryEndSession(long logOff, bool *mayEnd); + bool HandleEndSession(bool endSession, long logOff); + + bool HandleSetFocus(WXHWND wnd); + bool HandleKillFocus(WXHWND wnd); + + bool HandleDropFiles(WXWPARAM wParam); + + bool HandleMouseEvent(WXUINT msg, int x, int y, WXUINT flags); + bool HandleMouseMove(int x, int y, WXUINT flags); + bool HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam); + + bool HandleChar(WXWPARAM wParam, WXLPARAM lParam, bool isASCII = FALSE); + bool HandleKeyDown(WXWPARAM wParam, WXLPARAM lParam); + bool HandleKeyUp(WXWPARAM wParam, WXLPARAM lParam); +#ifdef __WIN32__ + int HandleMenuChar(int chAccel, WXLPARAM lParam); +#endif + + bool HandleQueryDragIcon(WXHICON *hIcon); + + bool HandleSetCursor(WXHWND hWnd, short nHitTest, int mouseMsg); // Window procedure virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); // Calls an appropriate default window procedure virtual long MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); + + // message processing helpers + + // 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 virtual bool MSWProcessMessage(WXMSG* pMsg); + + // return TRUE if the message was translated and shouldn't be dispatched virtual bool MSWTranslateMessage(WXMSG* pMsg); - virtual void MSWDestroyWindow(); - // Detach "Window" menu from menu bar so it doesn't get deleted - void MSWDetachWindowMenu(); + // 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 @@ -336,6 +416,9 @@ public: // initialize various fields of wxMouseEvent (common part of MSWOnMouseXXX) void InitMouseEvent(wxMouseEvent& event, int x, int y, WXUINT flags); + // check if mouse is in the window + bool IsMouseInWindow() const; + protected: // the window handle WXHWND m_hWnd; @@ -347,14 +430,7 @@ protected: bool m_useCtl3D:1; // Using CTL3D for this control bool m_backgroundTransparent:1; bool m_mouseInWindow:1; - bool m_doubleClickAllowed:1; - bool m_winCaptured:1; - - // Caret data - bool m_caretEnabled:1; - bool m_caretShown:1; - int m_caretWidth; - int m_caretHeight; + bool m_lastKeydownProcessed:1; // the size of one page for scrolling int m_xThumbSize; @@ -369,9 +445,9 @@ protected: WXHMENU m_hMenu; // Menu, if any - wxButton *m_btnDefault; - // implement the base class pure virtuals + virtual void DoClientToScreen( int *x, int *y ) const; + virtual void DoScreenToClient( int *x, int *y ) const; virtual void DoGetPosition( int *x, int *y ) const; virtual void DoGetSize( int *width, int *height ) const; virtual void DoGetClientSize( int *width, int *height ) const; @@ -380,10 +456,29 @@ protected: int sizeFlags = wxSIZE_AUTO); virtual void DoSetClientSize(int width, int height); + virtual void DoCaptureMouse(); + virtual void DoReleaseMouse(); + + // 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 + // themselves inside the given rectangle + virtual void DoMoveWindow(int x, int y, int width, int height); + #if wxUSE_TOOLTIPS virtual void DoSetToolTip( wxToolTip *tip ); + + // process TTN_NEEDTEXT message properly (i.e. fixing the bugs in + // comctl32.dll in our code -- see the function body for more info) + bool HandleTooltipNotify(WXUINT code, + WXLPARAM lParam, + const wxString& ttip); #endif // wxUSE_TOOLTIPS + // the helper functions used by HandleChar/KeyXXX methods + wxKeyEvent CreateKeyEvent(wxEventType evType, int id, + WXLPARAM lParam = 0, WXWPARAM wParam = 0) const; + private: // common part of all ctors void Init(); @@ -396,7 +491,11 @@ private: bool HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); #endif // __WIN95__ - DECLARE_NO_COPY_CLASS(wxWindow); + // list of disabled children before last call to our Disable() + wxWindowList *m_childrenDisabled; + + DECLARE_DYNAMIC_CLASS(wxWindowMSW) + DECLARE_NO_COPY_CLASS(wxWindowMSW) DECLARE_EVENT_TABLE() }; @@ -408,5 +507,15 @@ private: WXDLLEXPORT int wxCharCodeMSWToWX(int keySym); WXDLLEXPORT int wxCharCodeWXToMSW(int id, bool *IsVirtual); +// 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 +// the window even before CreateWindow() returns +class wxWindowCreationHook +{ +public: + wxWindowCreationHook(wxWindowMSW *winBeingCreated); + ~wxWindowCreationHook(); +}; + #endif // _WX_WINDOW_H_