X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/34636400a0018eba4a1f63dda18cf32e944b959e..e8e4fa12f29224194fcf30236ec7640b3cac0bc0:/include/wx/window.h diff --git a/include/wx/window.h b/include/wx/window.h index 3fdcd5acf0..6e3e82e943 100644 --- a/include/wx/window.h +++ b/include/wx/window.h @@ -28,11 +28,22 @@ #include "wx/font.h" // so we can't do without them #include "wx/colour.h" #include "wx/region.h" +#include "wx/utils.h" + +#include "wx/validate.h" // for wxDefaultValidator (always include it) #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 // ---------------------------------------------------------------------------- @@ -48,7 +59,6 @@ class WXDLLEXPORT wxLayoutConstraints; class WXDLLEXPORT wxResourceTable; class WXDLLEXPORT wxSizer; class WXDLLEXPORT wxToolTip; -class WXDLLEXPORT wxValidator; class WXDLLEXPORT wxWindowBase; class WXDLLEXPORT wxWindow; @@ -56,7 +66,7 @@ class WXDLLEXPORT wxWindow; // (pseudo)template list classes // ---------------------------------------------------------------------------- -WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode); +WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT); // ---------------------------------------------------------------------------- // global variables @@ -70,6 +80,14 @@ WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows; // 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: @@ -102,8 +120,6 @@ private: class WXDLLEXPORT wxWindowBase : public wxEvtHandler { - DECLARE_ABSTRACT_CLASS(wxWindowBase); - public: // creating the window // ------------------- @@ -117,6 +133,7 @@ public: const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, + const wxValidator& validator = wxDefaultValidator, const wxString& name = wxPanelNameStr); virtual ~wxWindowBase(); @@ -153,10 +170,14 @@ 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) @@ -200,11 +221,11 @@ public: void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO) { DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); } - void Move( int x, int y ) - { DoSetSize( x, y, -1, -1, wxSIZE_USE_EXISTING ); } + void Move(int x, int y, int flags = wxSIZE_USE_EXISTING) + { DoSetSize(x, y, -1, -1, flags); } - void Move(const wxPoint& pt) - { Move(pt.x, pt.y); } + void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING) + { Move(pt.x, pt.y, flags); } // Z-order virtual void Raise() = 0; @@ -256,9 +277,42 @@ public: return wxSize(w, h); } + // get the origin of the client area of the window relative to the + // window top left corner (the client area may be shifted because of + // the borders, scrollbars, other decorations...) + virtual wxPoint GetClientAreaOrigin() const; + + // get the client rectangle in window (i.e. client) coordinates + wxRect GetClientRect() const + { + return wxRect(GetClientAreaOrigin(), GetClientSize()); + } + + // get the size best suited for the window (in fact, minimal + // acceptable size using which it will still look "nice") + wxSize GetBestSize() const { return DoGetBestSize(); } + void GetBestSize(int *w, int *h) const + { + wxSize s = DoGetBestSize(); + if ( w ) + *w = s.x; + if ( h ) + *h = s.y; + } + + // the generic centre function - centers the window on parent by + // default or on screen if it doesn't have parent or + // wxCENTER_ON_SCREEN flag is given + void Centre( int direction = wxBOTH ); + void Center( int direction = wxBOTH ) { Centre(direction); } + + // centre on screen (only works for top level windows) + void CentreOnScreen(int dir = wxBOTH) { Centre(dir | wxCENTER_ON_SCREEN); } + void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); } + // centre with respect to the the parent window - void Centre( int direction = wxHORIZONTAL ); - void Center( int direction = wxHORIZONTAL ) { Centre(direction); } + void CentreOnParent(int dir = wxBOTH) { Centre(dir | wxCENTER_FRAME); } + void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); } // set window size to wrap around its children virtual void Fit(); @@ -268,6 +322,11 @@ 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; } + int GetMaxWidth() const { return m_maxWidth; } + int GetMaxHeight() const { return m_maxHeight; } + // window state // ------------ @@ -293,15 +352,21 @@ public: long GetWindowStyle() const { return GetWindowStyleFlag(); } bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; } + virtual bool IsRetained() const { return HasFlag(wxRETAINED); } - virtual bool IsRetained() const - { return (m_windowStyle & wxRETAINED) != 0; } + // extra style: the less often used style bits which can't be set with + // SetWindowStyleFlag() + void SetExtraStyle(long exStyle) { m_exStyle = exStyle; } + long GetExtraStyle() const { return m_exStyle; } // make the window modal (all other windows unresponsive) virtual void MakeModal(bool modal = TRUE); - // focus handling - // -------------- + virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; } + virtual bool GetThemeEnabled() const { return m_themeEnabled; } + + // focus and keyboard handling + // --------------------------- // set focus to this window virtual void SetFocus() = 0; @@ -312,6 +377,22 @@ public: // can this window have focus? virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); } + // can this window be given focus by keyboard navigation? if not, the + // only way to give it focus (provided it accepts it at all) is to + // 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 // ------------------------- @@ -324,7 +405,7 @@ public: inline wxWindow *GetGrandParent() const; // is this window a top level one? - bool IsTopLevel() const; + virtual bool IsTopLevel() const; // it doesn't really change parent, use ReParent() instead void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; } @@ -356,8 +437,8 @@ public: void PushEventHandler( wxEvtHandler *handler ); wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE ); - // validators and client data - // -------------------------- + // validators + // ---------- #if wxUSE_VALIDATORS // a window may have an associated validator which is used to control @@ -366,21 +447,18 @@ 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 - virtual void SetClientObject( wxClientData *data ) - { - if ( m_clientObject ) - delete m_clientObject; - - m_clientObject = data; - } - virtual wxClientData *GetClientObject() const { return m_clientObject; } + // which won't be deleted by the window - but not both of them + void SetClientObject( wxClientData *data ) { DoSetClientObject(data); } + wxClientData *GetClientObject() const { return DoGetClientObject(); } - virtual void SetClientData( void *data ) { m_clientData = data; } - virtual void *GetClientData() const { return m_clientData; } + void SetClientData( void *data ) { DoSetClientData(data); } + void *GetClientData() const { return DoGetClientData(); } // dialog oriented functions // ------------------------- @@ -432,6 +510,13 @@ public: virtual void CaptureMouse() = 0; virtual void ReleaseMouse() = 0; + // get the window which currently captures the mouse or NULL + static wxWindow *GetCapture(); + + // does this window have the capture? + virtual bool HasCapture() const + { return (wxWindow *)this == GetCapture(); } + // painting the window // ------------------- @@ -439,9 +524,22 @@ public: // will be repainted virtual void Refresh( bool eraseBackground = TRUE, const wxRect *rect = (const wxRect *) NULL ) = 0; + + // a less awkward wrapper for Refresh + void RefreshRect(const wxRect& rect) { Refresh(TRUE, &rect); } + + // repaint all invalid areas of the window immediately + virtual void Update() { } + // 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) ) { } @@ -450,6 +548,9 @@ public: const wxRegion& GetUpdateRegion() const { return m_updateRegion; } wxRegion& GetUpdateRegion() { return m_updateRegion; } + // get the update rectangleregion bounding box in client coords + wxRect GetUpdateClientRect() const; + // these functions verify whether the given point/rectangle belongs to // (or at least intersects with) the update region bool IsExposed( int x, int y ) const; @@ -503,11 +604,16 @@ public: const wxFont *theFont = (const wxFont *) NULL) const = 0; + // client <-> screen coords + // ------------------------ + // translate to/from screen/client coordinates (pointers may be NULL) void ClientToScreen( int *x, int *y ) const { DoClientToScreen(x, y); } void ScreenToClient( int *x, int *y ) const { DoScreenToClient(x, y); } + + // wxPoint interface to do the same thing wxPoint ClientToScreen(const wxPoint& pt) const { int x = pt.x, y = pt.y; @@ -524,20 +630,43 @@ public: return wxPoint(x, y); } + // test where the given (in client coords) point lies + wxHitTest HitTest(wxCoord x, wxCoord y) const + { return DoHitTest(x, y); } + + wxHitTest HitTest(const wxPoint& pt) const + { return DoHitTest(pt.x, pt.y); } + // misc // ---- + // get the window border style: uses the current style and falls back to + // the default style for this class otherwise (see GetDefaultBorder()) + wxBorder GetBorder() const; + void UpdateWindowUI(); - virtual bool PopupMenu( wxMenu *menu, int x, int y ) = 0; +#if wxUSE_MENUS + bool PopupMenu( wxMenu *menu, const wxPoint& pos ) + { return DoPopupMenu(menu, pos.x, pos.y); } + bool PopupMenu( wxMenu *menu, int x, int y ) + { return DoPopupMenu(menu, x, y); } +#endif // wxUSE_MENUS // scrollbars // ---------- + // does the window have the scrollbar for this orientation? + bool HasScrollbar(int orient) const + { + return (m_windowStyle & + (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0; + } + // configure the window scrollbars virtual void SetScrollbar( int orient, int pos, - int thumbVisible, + int thumbvisible, int range, bool refresh = TRUE ) = 0; virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ) = 0; @@ -549,8 +678,36 @@ 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 + // ---------------------- + + // these are the convenience functions wrapping wxHelpProvider methods + +#if wxUSE_HELP + // associate this help text with this window + void SetHelpText(const wxString& text); + // associate this help text with all windows with the same id as this + // one + void SetHelpTextForId(const wxString& text); + // get the help string associated with this window (may be empty) + wxString GetHelpText() const; +#endif // wxUSE_HELP + // tooltips // -------- + #if wxUSE_TOOLTIPS // the easiest way to set a tooltip for a window is to use this method void SetToolTip( const wxString &tip ); @@ -598,10 +755,9 @@ public: virtual void SetConstraintSizes(bool recurse = TRUE); virtual bool LayoutPhase1(int *noChanges); virtual bool LayoutPhase2(int *noChanges); - virtual bool DoPhase(int); + virtual bool DoPhase(int phase); // these methods are virtual but normally won't be overridden - virtual void TransformSizerToActual(int *x, int *y) const ; virtual void SetSizeConstraint(int x, int y, int w, int h); virtual void MoveConstraint(int x, int y); virtual void GetSizeConstraint(int *w, int *h) const ; @@ -612,12 +768,6 @@ public: // TODO: what are they and how do they work?? void SetSizer( wxSizer *sizer ); wxSizer *GetSizer() const { return m_windowSizer; } - - void SetSizerParent( wxWindowBase *win ) { m_sizerParent = win; } - wxWindowBase *GetSizerParent() const { return m_sizerParent; } - - virtual void SizerSetSize(int x, int y, int w, int h); - virtual void SizerMove(int x, int y); #endif // wxUSE_CONSTRAINTS // backward compatibility @@ -637,6 +787,10 @@ public: // event handlers void OnSysColourChanged( wxSysColourChangedEvent& event ); void OnInitDialog( wxInitDialogEvent &event ); + void OnMiddleClick( wxMouseEvent& event ); +#if wxUSE_HELP + void OnHelp(wxHelpEvent& event); +#endif // wxUSE_HELP // get the haqndle of the window for the underlying window system: this // is only used for wxWin itself or for user code which wants to call @@ -690,9 +844,14 @@ protected: // 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 - wxClientData *m_clientObject; - void *m_clientData; + // 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 @@ -722,19 +881,42 @@ protected: bool m_isBeingDeleted:1; // window attributes - long m_windowStyle; + long m_windowStyle, + m_exStyle; wxString m_windowName; + bool m_themeEnabled; protected: // common part of all ctors: it is not virtual because it is called from // ctor void InitBase(); + // override this to change the default (i.e. used when no style is + // specified) border for the window class + virtual wxBorder GetDefaultBorder() const; + // get the default size for the new window if no explicit size given // FIXME why 20 and not 30, 10 or ...? static int WidthDefault(int w) { return w == -1 ? 20 : w; } static int HeightDefault(int h) { return h == -1 ? 20 : h; } + // set the best size for the control if the default size was given: + // replaces the fields of size == -1 with the best values for them and + // calls SetSize() if needed + void SetBestSize(const wxSize& size) + { + if ( size.x == -1 || size.y == -1 ) + { + wxSize sizeBest = DoGetBestSize(); + if ( size.x != -1 ) + sizeBest.x = size.x; + if ( size.y != -1 ) + sizeBest.y = size.y; + + SetSize(sizeBest); + } + } + // more pure virtual functions // --------------------------- @@ -751,11 +933,18 @@ protected: virtual void DoClientToScreen( int *x, int *y ) const = 0; virtual void DoScreenToClient( int *x, int *y ) const = 0; + virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const; + // 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; virtual void DoGetClientSize( int *width, int *height ) const = 0; + // get the size which best suits the window: for a control, it would be + // the minimal size which doesn't truncate the control, for a panel - the + // same size as it would have after a call to Fit() + virtual wxSize DoGetBestSize() const; + // this is the virtual function to be overriden in any derived class which // wants to change how SetSize() or Move() works - it is called by all // versions of these functions in the base class @@ -766,15 +955,36 @@ protected: // same as DoSetSize() for the client size virtual void DoSetClientSize(int width, int height) = 0; + // move the window to the specified location and resize it: this is called + // from both DoSetSize() and DoSetClientSize() and would usually just + // reposition this window 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) = 0; + #if wxUSE_TOOLTIPS virtual void DoSetToolTip( wxToolTip *tip ); #endif // wxUSE_TOOLTIPS +#if wxUSE_MENUS + 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; + + 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; - DECLARE_NO_COPY_CLASS(wxWindowBase); + DECLARE_ABSTRACT_CLASS(wxWindowBase) + DECLARE_NO_COPY_CLASS(wxWindowBase) DECLARE_EVENT_TABLE() }; @@ -782,18 +992,63 @@ private: // now include the declaration of wxWindow class // ---------------------------------------------------------------------------- +// include the declaration of the platform-specific class #if defined(__WXMSW__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowMSW + #else // !wxUniv + #define wxWindowMSW wxWindow + #define sm_classwxWindowMSW sm_classwxWindow + #endif // wxUniv/!wxUniv #include "wx/msw/window.h" #elif defined(__WXMOTIF__) #include "wx/motif/window.h" #elif defined(__WXGTK__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowGTK + #else // !wxUniv + #define wxWindowGTK wxWindow + #define sm_classwxWindowGTK sm_classwxWindow + #endif // wxUniv #include "wx/gtk/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(__WXQT__) #include "wx/qt/window.h" #elif defined(__WXMAC__) + #ifdef __WXUNIVERSAL__ + #define wxWindowNative wxWindowMac + #else // !wxUniv + #define wxWindowMac wxWindow + #define sm_classwxWindowMac sm_classwxWindow + #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 +// for wxUniversal, we now derive the real wxWindow from wxWindow, +// for the native ports we already have defined it above +#if defined(__WXUNIVERSAL__) + #ifndef wxWindowNative + #error "wxWindowNative must be defined above!" + #endif + + #include "wx/univ/window.h" +#endif // wxUniv + // ---------------------------------------------------------------------------- // inline functions which couldn't be declared in the class body because of // forward dependencies @@ -805,11 +1060,21 @@ inline wxWindow *wxWindowBase::GetGrandParent() const } // ---------------------------------------------------------------------------- -// global function +// global functions // ---------------------------------------------------------------------------- -WXDLLEXPORT extern wxWindow* wxGetActiveWindow(); -inline WXDLLEXPORT int NewControlId() { return wxWindowBase::NewControlId(); } +// Find the wxWindow at the current mouse position, also returning the mouse +// position. +WXDLLEXPORT extern wxWindow* wxFindWindowAtPointer(wxPoint& pt); + +// Get the current mouse position. +WXDLLEXPORT extern wxPoint wxGetMousePosition(); + +// get the currently active window of this application or NULL +WXDLLEXPORT extern wxWindow *wxGetActiveWindow(); + +// deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId() +inline int NewControlId() { return wxWindowBase::NewControlId(); } #endif // _WX_WINDOW_H_BASE_