X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e766c8a9ad51ecf73e8f1641992f1007ee9e5e0a..1c9f06b14c171ff1711e9d554135f9d90b094242:/include/wx/window.h diff --git a/include/wx/window.h b/include/wx/window.h index c1565a6520..1b7071d626 100644 --- a/include/wx/window.h +++ b/include/wx/window.h @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: window.h +// Name: wx/window.h // Purpose: wxWindowBase class - the interface of wxWindow // Author: Vadim Zeitlin // Modified by: @@ -32,16 +32,28 @@ #include "wx/validate.h" // for wxDefaultValidator (always include it) +#if wxUSE_PALETTE + #include "wx/dcclient.h" + #include "wx/palette.h" +#endif // wxUSE_PALETTE + #if wxUSE_ACCEL #include "wx/accel.h" #endif // wxUSE_ACCEL +// when building wxUniv/Foo we don't want the code for native menu use to be +// compiled in - it should only be used when building real wxFoo +#ifdef __WXUNIVERSAL__ + #define wxUSE_MENUS_NATIVE 0 +#else // __WXMSW__ + #define wxUSE_MENUS_NATIVE wxUSE_MENUS +#endif // __WXUNIVERSAL__/__WXMSW__ + // ---------------------------------------------------------------------------- // forward declarations // ---------------------------------------------------------------------------- class WXDLLEXPORT wxCaret; -class WXDLLEXPORT wxClientData; class WXDLLEXPORT wxControl; class WXDLLEXPORT wxCursor; class WXDLLEXPORT wxDC; @@ -66,39 +78,6 @@ WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows; -// ---------------------------------------------------------------------------- -// helper classes used by [SG]etClientObject/Data -// -// TODO move into a separate header? -// ---------------------------------------------------------------------------- - -// what kind of client data do we have? -enum wxClientDataType -{ - wxClientData_None, // we don't know yet because we don't have it at all - wxClientData_Object, // our client data is typed and we own it - wxClientData_Void // client data is untyped and we don't own it -}; - -class wxClientData -{ -public: - wxClientData() { } - virtual ~wxClientData() { } -}; - -class wxStringClientData : public wxClientData -{ -public: - wxStringClientData() { } - wxStringClientData( const wxString &data ) : m_data(data) { } - void SetData( const wxString &data ) { m_data = data; } - const wxString& GetData() const { return m_data; } - -private: - wxString m_data; -}; - // ---------------------------------------------------------------------------- // wxWindowBase is the base class for all GUI controls/widgets, this is the public // interface of this class. @@ -162,10 +141,14 @@ public: // window attributes // ----------------- + // NB: in future versions of wxWindows Set/GetTitle() will only work + // with the top level windows (such as dialogs and frames) and + // Set/GetLabel() only with the other ones (i.e. all controls). + // the title (or label, see below) of the window: the text which the // window shows - virtual void SetTitle( const wxString & WXUNUSED(title) ) { } - virtual wxString GetTitle() const { return ""; } + virtual void SetTitle( const wxString& WXUNUSED(title) ) {} + virtual wxString GetTitle() const { return wxEmptyString; } // label is just the same as the title (but for, e.g., buttons it // makes more sense to speak about labels) @@ -310,11 +293,14 @@ public: int maxW = -1, int maxH = -1, int incW = -1, int incH = -1 ); - int GetMinWidth() const { return m_minWidth; } - int GetMinHeight() const { return m_minHeight; } + virtual int GetMinWidth() const { return m_minWidth; } + virtual int GetMinHeight() const { return m_minHeight; } int GetMaxWidth() const { return m_maxWidth; } int GetMaxHeight() const { return m_maxHeight; } + // Override this method to control the values given to Sizers etc. + virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); } + // window state // ------------ @@ -344,7 +330,7 @@ public: // extra style: the less often used style bits which can't be set with // SetWindowStyleFlag() - void SetExtraStyle(long exStyle) { m_exStyle = exStyle; } + virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; } long GetExtraStyle() const { return m_exStyle; } // make the window modal (all other windows unresponsive) @@ -353,8 +339,8 @@ public: virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; } virtual bool GetThemeEnabled() const { return m_themeEnabled; } - // focus handling - // -------------- + // focus and keyboard handling + // --------------------------- // set focus to this window virtual void SetFocus() = 0; @@ -370,6 +356,17 @@ public: // click it virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); } + // NB: these methods really don't belong here but with the current + // class hierarchy there is no other place for them :-( + + // get the default child of this parent, i.e. the one which is + // activated by pressing + virtual wxWindow *GetDefaultItem() const { return NULL; } + + // set this child as default, return the old default + virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child)) + { return NULL; } + // parent/children relations // ------------------------- @@ -414,6 +411,13 @@ public: void PushEventHandler( wxEvtHandler *handler ); wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE ); + // find the given handler in the event handler chain and remove (but + // not delete) it from the event handler chain, return TRUE if it was + // found and FALSE otherwise (this also results in an assert failure so + // this function should only be called when the handler is supposed to + // be there) + bool RemoveEventHandler(wxEvtHandler *handler); + // validators // ---------- @@ -424,18 +428,6 @@ public: virtual wxValidator *GetValidator() { return m_windowValidator; } #endif // wxUSE_VALIDATORS - // client data - // ----------- - - // each window may have associated client data: either a pointer to - // wxClientData object in which case it is managed by the window (i.e. - // it will delete the data when it's destroyed) or an untyped pointer - // which won't be deleted by the window - but not both of them - void SetClientObject( wxClientData *data ) { DoSetClientObject(data); } - wxClientData *GetClientObject() const { return DoGetClientObject(); } - - void SetClientData( void *data ) { DoSetClientData(data); } - void *GetClientData() const { return DoGetClientData(); } // dialog oriented functions // ------------------------- @@ -483,9 +475,12 @@ public: // move the mouse to the specified position virtual void WarpPointer(int x, int y) = 0; - // start or end mouse capture - virtual void CaptureMouse() = 0; - virtual void ReleaseMouse() = 0; + // start or end mouse capture, these functions maintain the stack of + // windows having captured the mouse and after calling ReleaseMouse() + // the mouse is not released but returns to the window which had had + // captured it previously (if any) + void CaptureMouse(); + void ReleaseMouse(); // get the window which currently captures the mouse or NULL static wxWindow *GetCapture(); @@ -511,6 +506,12 @@ public: // clear the window entirely virtual void Clear() = 0; + // freeze the window: don't redraw it until it is thawed + virtual void Freeze() { } + + // thaw the window: redraw it after it had been frozen + virtual void Thaw() { } + // adjust DC for drawing on this window virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { } @@ -649,6 +650,18 @@ public: virtual void ScrollWindow( int dx, int dy, const wxRect* rect = (wxRect *) NULL ) = 0; + // scrolls window by line/page: note that not all controls support this + // + // return TRUE if the position changed, FALSE otherwise + virtual bool ScrollLines(int WXUNUSED(lines)) { return FALSE; } + virtual bool ScrollPages(int WXUNUSED(pages)) { return FALSE; } + + // convenient wrappers for ScrollLines/Pages + bool LineUp() { return ScrollLines(-1); } + bool LineDown() { return ScrollLines(1); } + bool PageUp() { return ScrollPages(-1); } + bool PageDown() { return ScrollPages(1); } + // context-sensitive help // ---------------------- @@ -692,15 +705,6 @@ public: void SetConstraints( wxLayoutConstraints *constraints ); wxLayoutConstraints *GetConstraints() const { return m_constraints; } - // when using constraints, it makes sense to update children positions - // automatically whenever the window is resized - this is done if - // autoLayout is on - void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; } - bool GetAutoLayout() const { return m_autoLayout; } - - // do layout the window and its children - virtual bool Layout(); - // implementation only void UnsetConstraints(wxLayoutConstraints *c); wxWindowList *GetConstraintsInvolvedIn() const @@ -723,11 +727,24 @@ public: virtual void GetClientSizeConstraint(int *w, int *h) const ; virtual void GetPositionConstraint(int *x, int *y) const ; +#endif // wxUSE_CONSTRAINTS + + // when using constraints or sizers, it makes sense to update + // children positions automatically whenever the window is resized + // - this is done if autoLayout is on + void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; } + bool GetAutoLayout() const { return m_autoLayout; } + + // lay out the window and its children + virtual bool Layout(); + // sizers - // TODO: what are they and how do they work?? - void SetSizer( wxSizer *sizer ); + void SetSizer(wxSizer *sizer, bool deleteOld = TRUE ); wxSizer *GetSizer() const { return m_windowSizer; } -#endif // wxUSE_CONSTRAINTS + + // Track if this window is a member of a sizer + void SetContainingSizer(wxSizer* sizer) { m_containingSizer = sizer; } + wxSizer *GetContainingSizer() const { return m_containingSizer; } // backward compatibility // ---------------------- @@ -756,6 +773,22 @@ public: // platform-specific APIs virtual WXWidget GetHandle() const = 0; +#if wxUSE_PALETTE + // Store the palette used by DCs in wxWindow so that the dcs can share + // a palette. And we can respond to palette messages. + wxPalette GetPalette() const { return m_palette; } + + // When palette is changed tell the DC to set the system palette to the + // new one. + void SetPalette(const wxPalette& pal); + + // return true if we have a specific palette + bool HasCustomPalette() const { return m_hasCustomPalette; } + + // return the first parent window with a custom palette or NULL + wxWindow *GetAncestorWithCustomPalette() const; +#endif // wxUSE_PALETTE + protected: // the window id - a number which uniquely identifies a window among // its siblings unless it is -1 @@ -801,17 +834,6 @@ protected: wxAcceleratorTable m_acceleratorTable; #endif // wxUSE_ACCEL - // user data associated with the window: either an object which will be - // deleted by the window when it's deleted or some raw pointer which we do - // nothing with - only one type of data can be used with the given window - // (i.e. you cannot set the void data and then associate the window with - // wxClientData or vice versa) - union - { - wxClientData *m_clientObject; - void *m_clientData; - }; - // the tooltip for this window (may be NULL) #if wxUSE_TOOLTIPS wxToolTip *m_tooltip; @@ -824,28 +846,40 @@ protected: // constraints this window is involved in wxWindowList *m_constraintsInvolvedIn; +#endif // wxUSE_CONSTRAINTS - // top level and the parent sizers - // TODO what's this and how does it work?) + // this window's sizer wxSizer *m_windowSizer; - wxWindowBase *m_sizerParent; + + // The sizer this window is a member of, if any + wxSizer *m_containingSizer; // Layout() window automatically when its size changes? bool m_autoLayout:1; -#endif // wxUSE_CONSTRAINTS // window state bool m_isShown:1; bool m_isEnabled:1; bool m_isBeingDeleted:1; + // was the window colours/font explicitly changed by user? + bool m_hasBgCol:1; + bool m_hasFgCol:1; + bool m_hasFont:1; + // window attributes long m_windowStyle, m_exStyle; wxString m_windowName; bool m_themeEnabled; +#if wxUSE_PALETTE + wxPalette m_palette; + bool m_hasCustomPalette; +#endif // wxUSE_PALETTE + protected: + // common part of all ctors: it is not virtual because it is called from // ctor void InitBase(); @@ -894,6 +928,10 @@ protected: virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const; + // capture/release the mouse, used by Capture/ReleaseMouse() + virtual void DoCaptureMouse() = 0; + virtual void DoReleaseMouse() = 0; + // retrieve the position/size of the window virtual void DoGetPosition( int *x, int *y ) const = 0; virtual void DoGetSize( int *width, int *height ) const = 0; @@ -928,20 +966,19 @@ protected: virtual bool DoPopupMenu( wxMenu *menu, int x, int y ) = 0; #endif // wxUSE_MENUS - // client data accessors - virtual void DoSetClientObject( wxClientData *data ); - virtual wxClientData *DoGetClientObject() 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) const; - virtual void DoSetClientData( void *data ); - virtual void *DoGetClientData() const; - - // what kind of data do we have? - wxClientDataType m_clientDataType; private: + // contains the last id generated by NewControlId static int ms_lastControlId; + // the stack of windows which have captured the mouse + static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext; + DECLARE_ABSTRACT_CLASS(wxWindowBase) DECLARE_NO_COPY_CLASS(wxWindowBase) DECLARE_EVENT_TABLE() @@ -970,8 +1007,22 @@ private: #define sm_classwxWindowGTK sm_classwxWindow #endif // wxUniv #include "wx/gtk/window.h" -#elif defined(__WXQT__) - #include "wx/qt/window.h" +#elif defined(__WXX11__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowX11 + #else // !wxUniv + #define wxWindowX11 wxWindow + #define sm_classwxWindowX11 sm_classwxWindow + #endif // wxUniv + #include "wx/x11/window.h" +#elif defined(__WXMGL__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowMGL + #else // !wxUniv + #define wxWindowMGL wxWindow + #define sm_classwxWindowMGL sm_classwxWindow + #endif // wxUniv + #include "wx/mgl/window.h" #elif defined(__WXMAC__) #ifdef __WXUNIVERSAL__ #define wxWindowNative wxWindowMac @@ -981,6 +1032,12 @@ private: #endif // wxUniv #include "wx/mac/window.h" #elif defined(__WXPM__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowOS2 + #else // !wxUniv + #define wxWindowOS2 wxWindow + #define sm_classwxWindowOS2 sm_classwxWindow + #endif // wxUniv/!wxUniv #include "wx/os2/window.h" #endif @@ -1023,3 +1080,5 @@ inline int NewControlId() { return wxWindowBase::NewControlId(); } #endif // _WX_WINDOW_H_BASE_ + +// vi:sts=4:sw=4:et