+
+// ----------------------------------------------------------------------------
+// (pseudo)template list classes
+// ----------------------------------------------------------------------------
+
+WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT);
+
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows;
+
+// ----------------------------------------------------------------------------
+// wxWindowBase is the base class for all GUI controls/widgets, this is the public
+// interface of this class.
+//
+// Event handler: windows have themselves as their event handlers by default,
+// but their event handlers could be set to another object entirely. This
+// separation can reduce the amount of derivation required, and allow
+// alteration of a window's functionality (e.g. by a resource editor that
+// temporarily switches event handlers).
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxWindowBase : public wxEvtHandler
+{
+public:
+ // creating the window
+ // -------------------
+
+ // default ctor
+ wxWindowBase() { InitBase(); }
+
+ // pseudo ctor (can't be virtual, called from ctor)
+ bool CreateBase(wxWindowBase *parent,
+ wxWindowID winid,
+ const wxPoint& pos = wxDefaultPosition,
+ const wxSize& size = wxDefaultSize,
+ long style = 0,
+ const wxValidator& validator = wxDefaultValidator,
+ const wxString& name = wxPanelNameStr);
+
+ virtual ~wxWindowBase();
+
+ // deleting the window
+ // -------------------
+
+ // ask the window to close itself, return TRUE if the event handler
+ // honoured our request
+ bool Close( bool force = FALSE );
+
+ // the following functions delete the C++ objects (the window itself
+ // or its children) as well as the GUI windows and normally should
+ // never be used directly
+
+ // delete window unconditionally (dangerous!), returns TRUE if ok
+ virtual bool Destroy();
+ // delete all children of this window, returns TRUE if ok
+ bool DestroyChildren();
+
+ // is the window being deleted?
+ bool IsBeingDeleted() const { return m_isBeingDeleted; }
+
+ // 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 wxEmptyString; }
+
+ // label is just the same as the title (but for, e.g., buttons it
+ // makes more sense to speak about labels)
+ virtual void SetLabel(const wxString& label) { SetTitle(label); }
+ virtual wxString GetLabel() const { return GetTitle(); }
+
+ // the window name is used for ressource setting in X, it is not the
+ // same as the window title/label
+ virtual void SetName( const wxString &name ) { m_windowName = name; }
+ virtual wxString GetName() const { return m_windowName; }
+
+ // window id uniquely identifies the window among its siblings unless
+ // it is -1 which means "don't care"
+ void SetId( wxWindowID winid ) { m_windowId = winid; }
+ wxWindowID GetId() const { return m_windowId; }
+
+ // generate a control id for the controls which were not given one by
+ // user
+ static int NewControlId() { return --ms_lastControlId; }
+ // get the id of the control following the one with the given
+ // (autogenerated) id
+ static int NextControlId(int winid) { return winid - 1; }
+ // get the id of the control preceding the one with the given
+ // (autogenerated) id
+ static int PrevControlId(int winid) { return winid + 1; }
+
+ // moving/resizing
+ // ---------------
+
+ // set the window size and/or position
+ void SetSize( int x, int y, int width, int height,
+ int sizeFlags = wxSIZE_AUTO )
+ { DoSetSize(x, y, width, height, sizeFlags); }
+
+ void SetSize( int width, int height )
+ { DoSetSize( -1, -1, width, height, wxSIZE_USE_EXISTING ); }
+
+ void SetSize( const wxSize& size )
+ { SetSize( size.x, size.y); }
+
+ 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, int flags = wxSIZE_USE_EXISTING)
+ { DoSetSize(x, y, -1, -1, flags); }
+
+ void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING)
+ { Move(pt.x, pt.y, flags); }
+
+ // Z-order
+ virtual void Raise() = 0;
+ virtual void Lower() = 0;
+
+ // client size is the size of area available for subwindows
+ void SetClientSize( int width, int height )
+ { DoSetClientSize(width, height); }
+
+ void SetClientSize( const wxSize& size )
+ { DoSetClientSize(size.x, size.y); }
+
+ void SetClientSize(const wxRect& rect)
+ { SetClientSize( rect.width, rect.height ); }
+
+ // get the window position and/or size (pointers may be NULL)
+ void GetPosition( int *x, int *y ) const { DoGetPosition(x, y); }
+ wxPoint GetPosition() const
+ {
+ int w, h;
+ DoGetPosition(&w, &h);
+
+ return wxPoint(w, h);
+ }
+
+ void GetSize( int *w, int *h ) const { DoGetSize(w, h); }
+ wxSize GetSize() const
+ {
+ int w, h;
+ DoGetSize(& w, & h);
+ return wxSize(w, h);
+ }
+
+ wxRect GetRect() const
+ {
+ int x, y, w, h;
+ GetPosition(& x, & y);
+ GetSize(& w, & h);
+
+ return wxRect(x, y, w, h);
+ }
+
+ void GetClientSize( int *w, int *h ) const { DoGetClientSize(w, h); }
+ wxSize GetClientSize() const
+ {
+ int w, h;
+ DoGetClientSize(& w, & h);
+
+ 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;
+ }
+
+ // There are times (and windows) where 'Best' size and 'Min' size
+ // are vastly out of sync. This should be remedied somehow, but in
+ // the meantime, this method will return the larger of BestSize
+ // (the window's smallest legible size), and any user specified
+ // MinSize hint.
+ wxSize GetAdjustedBestSize() const
+ {
+ wxSize s( DoGetBestSize() );
+ return wxSize( wxMax( s.x, GetMinWidth() ), wxMax( s.y, GetMinHeight() ) );
+ }
+
+ // 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 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();
+
+ // set virtual size to satisfy children
+ virtual void FitInside();
+
+ // set min/max size of the window
+ virtual void SetSizeHints( int minW, int minH,
+ int maxW = -1, int maxH = -1,
+ int incW = -1, int incH = -1 );
+
+ virtual void SetVirtualSizeHints( int minW, int minH,
+ int maxW = -1, int maxH = -1 );
+
+ 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 ); }
+
+ // Methods for accessing the virtual size of a window. For most
+ // windows this is just the client area of the window, but for
+ // some like scrolled windows it is more or less independent of
+ // the screen window size. You may override the DoXXXVirtual
+ // methods below for classes where that is is the case.
+
+ void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
+ void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
+
+ wxSize GetVirtualSize() const { return DoGetVirtualSize(); }
+ void GetVirtualSize( int *x, int *y ) const
+ {
+ wxSize s( DoGetVirtualSize() );
+
+ if( x )
+ *x = s.GetWidth();
+ if( y )
+ *y = s.GetHeight();
+ }
+
+ // Override these methods for windows that have a virtual size
+ // independent of their client size. eg. the virtual area of a
+ // wxScrolledWindow. Default is to alias VirtualSize to ClientSize.
+
+ virtual void DoSetVirtualSize( int x, int y );
+ virtual wxSize DoGetVirtualSize() const; // { return m_virtualSize; }
+
+ // Return the largest of ClientSize and BestSize (as determined
+ // by a sizer, interior children, or other means)
+
+ virtual wxSize GetBestVirtualSize() const
+ {
+ wxSize client( GetClientSize() );
+ wxSize best( GetBestSize() );
+
+ return wxSize( wxMax( client.x, best.x ), wxMax( client.y, best.y ) );
+ }
+
+ // window state
+ // ------------
+
+ // returns TRUE if window was shown/hidden, FALSE if the nothing was
+ // done (window was already shown/hidden)
+ virtual bool Show( bool show = TRUE );
+ bool Hide() { return Show(FALSE); }
+
+ // returns TRUE if window was enabled/disabled, FALSE if nothing done
+ virtual bool Enable( bool enable = TRUE );
+ bool Disable() { return Enable(FALSE); }
+
+ bool IsShown() const { return m_isShown; }
+ bool IsEnabled() const { return m_isEnabled; }
+
+ // get/set window style (setting style won't update the window and so
+ // is only useful for internal usage)
+ virtual void SetWindowStyleFlag( long style ) { m_windowStyle = style; }
+ virtual long GetWindowStyleFlag() const { return m_windowStyle; }
+
+ // just some (somewhat shorter) synonims
+ void SetWindowStyle( long style ) { SetWindowStyleFlag(style); }
+ long GetWindowStyle() const { return GetWindowStyleFlag(); }
+
+ bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
+ virtual bool IsRetained() const { return HasFlag(wxRETAINED); }
+
+ // extra style: the less often used style bits which can't be set with
+ // SetWindowStyleFlag()
+ virtual 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);
+
+ 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;
+
+ // set focus to this window as the result of a keyboard action
+ virtual void SetFocusFromKbd() { SetFocus(); }
+
+ // return the window which currently has the focus or NULL
+ static wxWindow *FindFocus() /* = 0: implement in derived classes */;
+
+ // 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 <Enter>
+ virtual wxWindow *GetDefaultItem() const { return NULL; }
+
+ // set this child as default, return the old default
+ virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child))
+ { return NULL; }
+
+ // set this child as temporary default
+ virtual void SetTmpDefaultItem(wxWindow * WXUNUSED(win)) { }
+
+ // parent/children relations
+ // -------------------------
+
+ // get the list of children
+ const wxWindowList& GetChildren() const { return m_children; }
+ wxWindowList& GetChildren() { return m_children; }
+
+ // get the parent or the parent of the parent
+ wxWindow *GetParent() const { return m_parent; }
+ inline wxWindow *GetGrandParent() const;
+
+ // is this window a top level one?
+ virtual bool IsTopLevel() const;
+
+ // it doesn't really change parent, use ReParent() instead
+ void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; }
+ // change the real parent of this window, return TRUE if the parent
+ // was changed, FALSE otherwise (error or newParent == oldParent)
+ virtual bool Reparent( wxWindowBase *newParent );
+
+ // implementation mostly
+ virtual void AddChild( wxWindowBase *child );
+ virtual void RemoveChild( wxWindowBase *child );
+
+ // looking for windows
+ // -------------------
+
+ // find window among the descendants of this one either by id or by
+ // name (return NULL if not found)
+ wxWindow *FindWindow( long winid );
+ wxWindow *FindWindow( const wxString& name );
+
+ // Find a window among any window (all return NULL if not found)
+ static wxWindow *FindWindowById( long winid, const wxWindow *parent = NULL );
+ static wxWindow *FindWindowByName( const wxString& name,
+ const wxWindow *parent = NULL );
+ static wxWindow *FindWindowByLabel( const wxString& label,
+ const wxWindow *parent = NULL );
+
+ // event handler stuff
+ // -------------------
+
+ // get the current event handler
+ wxEvtHandler *GetEventHandler() const { return m_eventHandler; }
+
+ // replace the event handler (allows to completely subclass the
+ // window)
+ void SetEventHandler( wxEvtHandler *handler ) { m_eventHandler = handler; }
+
+ // push/pop event handler: allows to chain a custom event handler to
+ // alreasy existing ones
+ 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
+ // ----------
+
+#if wxUSE_VALIDATORS
+ // a window may have an associated validator which is used to control
+ // user input
+ virtual void SetValidator( const wxValidator &validator );
+ virtual wxValidator *GetValidator() { return m_windowValidator; }
+#endif // wxUSE_VALIDATORS
+
+
+ // dialog oriented functions
+ // -------------------------
+
+ // validate the correctness of input, return TRUE if ok
+ virtual bool Validate();
+
+ // transfer data between internal and GUI representations
+ virtual bool TransferDataToWindow();
+ virtual bool TransferDataFromWindow();
+
+ virtual void InitDialog();
+
+#if wxUSE_ACCEL
+ // accelerators
+ // ------------
+ virtual void SetAcceleratorTable( const wxAcceleratorTable& accel )
+ { m_acceleratorTable = accel; }
+ wxAcceleratorTable *GetAcceleratorTable()
+ { return &m_acceleratorTable; }
+#endif // wxUSE_ACCEL
+
+ // dialog units translations
+ // -------------------------
+
+ wxPoint ConvertPixelsToDialog( const wxPoint& pt );
+ wxPoint ConvertDialogToPixels( const wxPoint& pt );
+ wxSize ConvertPixelsToDialog( const wxSize& sz )
+ {
+ wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y)));
+
+ return wxSize(pt.x, pt.y);
+ }
+
+ wxSize ConvertDialogToPixels( const wxSize& sz )
+ {
+ wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y)));
+
+ return wxSize(pt.x, pt.y);
+ }
+
+ // mouse functions
+ // ---------------
+
+ // move the mouse to the specified position
+ virtual void WarpPointer(int x, int y) = 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();
+
+ // does this window have the capture?
+ virtual bool HasCapture() const
+ { return (wxWindow *)this == GetCapture(); }
+
+ // painting the window
+ // -------------------
+
+ // mark the specified rectangle (or the whole window) as "dirty" so it
+ // 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) ) { }
+
+ // the update region of the window contains the areas which must be
+ // repainted by the program
+ 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;
+ bool IsExposed( int x, int y, int w, int h ) const;
+
+ bool IsExposed( const wxPoint& pt ) const
+ { return IsExposed(pt.x, pt.y); }
+ bool IsExposed( const wxRect& rect ) const
+ { return IsExposed(rect.x, rect.y, rect.width, rect.height); }
+
+ // colours, fonts and cursors
+ // --------------------------
+
+ // set/retrieve the window colours (system defaults are used by
+ // default): Set functions return TRUE if colour was changed
+ virtual bool SetBackgroundColour( const wxColour &colour );
+ virtual bool SetForegroundColour( const wxColour &colour );
+
+ wxColour GetBackgroundColour() const { return m_backgroundColour; }
+ wxColour GetForegroundColour() const { return m_foregroundColour; }
+
+ // set/retrieve the cursor for this window (SetCursor() returns TRUE
+ // if the cursor was really changed)
+ virtual bool SetCursor( const wxCursor &cursor );
+ const wxCursor& GetCursor() const { return m_cursor; }
+ wxCursor& GetCursor() { return m_cursor; }
+
+ // set/retrieve the font for the window (SetFont() returns TRUE if the
+ // font really changed)
+ virtual bool SetFont( const wxFont &font ) = 0;
+ const wxFont& GetFont() const { return m_font; }
+ wxFont& GetFont() { return m_font; }
+
+#if wxUSE_CARET
+ // associate a caret with the window
+ void SetCaret(wxCaret *caret);
+ // get the current caret (may be NULL)
+ wxCaret *GetCaret() const { return m_caret; }
+#endif // wxUSE_CARET
+
+ // get the (average) character size for the current font
+ virtual int GetCharHeight() const = 0;
+ virtual int GetCharWidth() const = 0;
+
+ // get the width/height/... of the text using current or specified
+ // font
+ virtual void GetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = (int *) NULL,
+ int *externalLeading = (int *) NULL,
+ 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;
+ DoClientToScreen(&x, &y);
+
+ return wxPoint(x, y);
+ }
+
+ wxPoint ScreenToClient(const wxPoint& pt) const
+ {
+ int x = pt.x, y = pt.y;
+ DoScreenToClient(&x, &y);
+
+ 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();
+
+#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 range,
+ bool refresh = TRUE ) = 0;
+ virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ) = 0;
+ virtual int GetScrollPos( int orient ) const = 0;
+ virtual int GetScrollThumb( int orient ) const = 0;
+ virtual int GetScrollRange( int orient ) const = 0;
+
+ // scroll window to the specified position
+ 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 );
+ // attach a tooltip to the window
+ void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }
+ // get the associated tooltip or NULL if none
+ wxToolTip* GetToolTip() const { return m_tooltip; }
+#endif // wxUSE_TOOLTIPS
+
+ // drag and drop
+ // -------------
+#if wxUSE_DRAG_AND_DROP
+ // set/retrieve the drop target associated with this window (may be
+ // NULL; it's owned by the window and will be deleted by it)
+ virtual void SetDropTarget( wxDropTarget *dropTarget ) = 0;
+ virtual wxDropTarget *GetDropTarget() const { return m_dropTarget; }
+#endif // wxUSE_DRAG_AND_DROP
+
+ // constraints and sizers
+ // ----------------------
+#if wxUSE_CONSTRAINTS
+ // set the constraints for this window or retrieve them (may be NULL)
+ void SetConstraints( wxLayoutConstraints *constraints );
+ wxLayoutConstraints *GetConstraints() const { return m_constraints; }
+
+ // implementation only
+ void UnsetConstraints(wxLayoutConstraints *c);
+ wxWindowList *GetConstraintsInvolvedIn() const
+ { return m_constraintsInvolvedIn; }
+ void AddConstraintReference(wxWindowBase *otherWin);
+ void RemoveConstraintReference(wxWindowBase *otherWin);
+ void DeleteRelatedConstraints();
+ void ResetConstraints();
+
+ // these methods may be overriden for special layout algorithms
+ virtual void SetConstraintSizes(bool recurse = TRUE);
+ virtual bool LayoutPhase1(int *noChanges);
+ virtual bool LayoutPhase2(int *noChanges);
+ virtual bool DoPhase(int phase);
+
+ // these methods are virtual but normally won't be overridden
+ 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 ;
+ 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
+ void SetSizer(wxSizer *sizer, bool deleteOld = TRUE );
+ void SetSizerAndFit( wxSizer *sizer, bool deleteOld = TRUE );
+
+ wxSizer *GetSizer() const { return m_windowSizer; }
+
+ // Track if this window is a member of a sizer
+ void SetContainingSizer(wxSizer* sizer) { m_containingSizer = sizer; }
+ wxSizer *GetContainingSizer() const { return m_containingSizer; }
+
+ // accessibility
+ // ----------------------
+#if wxUSE_ACCESSIBILITY
+ // Override to create a specific accessible object.
+ virtual wxAccessible* CreateAccessible();
+
+ // Sets the accessible object.
+ void SetAccessible(wxAccessible* accessible) ;
+
+ // Returns the accessible object.
+ wxAccessible* GetAccessible() { return m_accessible; };
+
+ // Returns the accessible object, creating if necessary.
+ wxAccessible* GetOrCreateAccessible() ;
+#endif
+
+ // backward compatibility
+ // ----------------------
+#if WXWIN_COMPATIBILITY
+ bool Enabled() const { return IsEnabled(); }
+
+ void SetButtonFont(const wxFont& font) { SetFont(font); }
+ void SetLabelFont(const wxFont& font) { SetFont(font); }
+ wxFont& GetLabelFont() { return GetFont(); };
+ wxFont& GetButtonFont() { return GetFont(); };
+#endif // WXWIN_COMPATIBILITY
+
+ // implementation
+ // --------------
+
+ // 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
+ // 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:
+ // event handling specific to wxWindow
+#if wxUSE_VALIDATORS
+ virtual bool TryValidator(wxEvent& event);
+#endif // wxUSE_VALIDATORS
+ virtual bool TryParent(wxEvent& event);
+
+
+#if wxUSE_CONSTRAINTS
+ // satisfy the constraints for the windows but don't set the window sizes
+ void SatisfyConstraints();
+#endif // wxUSE_CONSTRAINTS
+
+ // Send the wxWindowDestroyEvent
+ void SendDestroyEvent();
+
+ // the window id - a number which uniquely identifies a window among
+ // its siblings unless it is -1
+ wxWindowID m_windowId;
+
+ // the parent window of this window (or NULL) and the list of the children
+ // of this window
+ wxWindow *m_parent;
+ wxWindowList m_children;
+
+ // the minimal allowed size for the window (no minimal size if variable(s)
+ // contain(s) -1)
+ int m_minWidth,
+ m_minHeight,
+ m_maxWidth,
+ m_maxHeight;
+
+ // event handler for this window: usually is just 'this' but may be
+ // changed with SetEventHandler()
+ wxEvtHandler *m_eventHandler;
+
+#if wxUSE_VALIDATORS
+ // associated validator or NULL if none
+ wxValidator *m_windowValidator;
+#endif // wxUSE_VALIDATORS
+
+#if wxUSE_DRAG_AND_DROP
+ wxDropTarget *m_dropTarget;
+#endif // wxUSE_DRAG_AND_DROP
+
+ // visual window attributes
+ wxCursor m_cursor;
+ wxFont m_font;
+ wxColour m_backgroundColour, m_foregroundColour;
+
+#if wxUSE_CARET
+ wxCaret *m_caret;
+#endif // wxUSE_CARET
+
+ // the region which should be repainted in response to paint event
+ wxRegion m_updateRegion;
+
+#if wxUSE_ACCEL
+ // the accelerator table for the window which translates key strokes into
+ // command events
+ wxAcceleratorTable m_acceleratorTable;
+#endif // wxUSE_ACCEL
+
+ // the tooltip for this window (may be NULL)
+#if wxUSE_TOOLTIPS
+ wxToolTip *m_tooltip;
+#endif // wxUSE_TOOLTIPS
+
+ // constraints and sizers
+#if wxUSE_CONSTRAINTS
+ // the constraints for this window or NULL
+ wxLayoutConstraints *m_constraints;
+
+ // constraints this window is involved in
+ wxWindowList *m_constraintsInvolvedIn;
+#endif // wxUSE_CONSTRAINTS
+
+ // this window's sizer
+ wxSizer *m_windowSizer;
+
+ // The sizer this window is a member of, if any
+ wxSizer *m_containingSizer;
+
+ // Layout() window automatically when its size changes?
+ bool m_autoLayout:1;
+
+ // 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
+
+#if wxUSE_ACCESSIBILITY
+ wxAccessible* m_accessible;
+#endif
+ // Virtual size (scrolling)
+ wxSize m_virtualSize;
+
+ int m_minVirtualWidth; // VirtualSizeHints
+ int m_minVirtualHeight;
+ int m_maxVirtualWidth;
+ int m_maxVirtualHeight;
+
+ // 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
+ //
+ // This function is rather unfortunately named.. it's really just a
+ // smarter SetSize / convenience function for expanding wxDefaultSize.
+ // Note that it does not influence the value returned by GetBestSize
+ // at all.
+ void SetBestSize(const wxSize& size)
+ {
+ // the size only needs to be changed if the current size is incomplete,
+ // i.e. one of the components was specified as default -- so if both
+ // were given, simply don't do anything
+ 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
+ // ---------------------------
+
+ // NB: we must have DoSomething() function when Something() is an overloaded
+ // method: indeed, we can't just have "virtual Something()" in case when
+ // the function is overloaded because then we'd have to make virtual all
+ // the variants (otherwise only the virtual function may be called on a
+ // pointer to derived class according to C++ rules) which is, in
+ // general, absolutely not needed. So instead we implement all
+ // overloaded Something()s in terms of DoSomething() which will be the
+ // only one to be virtual.
+
+ // coordinates translation
+ 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;
+
+ // 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;
+ 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
+ virtual void DoSetSize(int x, int y,
+ int width, int height,
+ int sizeFlags = wxSIZE_AUTO) = 0;
+
+ // 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
+
+ // 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;
+
+
+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()
+};
+
+// ----------------------------------------------------------------------------
+// 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(__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
+ #else // !wxUniv
+ #define wxWindowMac wxWindow
+ #define sm_classwxWindowMac sm_classwxWindow
+ #endif // wxUniv
+ #include "wx/mac/window.h"
+#elif defined(__WXCOCOA__)
+ #ifdef __WXUNIVERSAL__
+ #define wxWindowNative wxWindowCocoa
+ #else // !wxUniv
+ #define wxWindowCocoa wxWindow
+ #define sm_classwxWindowCocoa sm_classwxWindow
+ #endif // wxUniv
+ #include "wx/cocoa/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<platform>,
+// 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
+// ----------------------------------------------------------------------------
+
+inline wxWindow *wxWindowBase::GetGrandParent() const
+{
+ return m_parent ? m_parent->GetParent() : (wxWindow *)NULL;
+}
+
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+// 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();
+
+// get the (first) top level parent window
+WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win);
+
+// deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()
+inline int NewControlId() { return wxWindowBase::NewControlId(); }
+
+#if wxUSE_ACCESSIBILITY
+// ----------------------------------------------------------------------------
+// accessible object for windows
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxWindowAccessible: public wxAccessible
+{
+public:
+ wxWindowAccessible(wxWindow* win): wxAccessible(win) { if (win) win->SetAccessible(this); }
+ virtual ~wxWindowAccessible() {};
+
+// Overridables
+
+ // Can return either a child object, or an integer
+ // representing the child element, starting from 1.
+ virtual wxAccStatus HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject);
+
+ // Returns the rectangle for this object (id = 0) or a child element (id > 0).
+ virtual wxAccStatus GetLocation(wxRect& rect, int elementId);
+
+ // Navigates from fromId to toId/toObject.
+ virtual wxAccStatus Navigate(wxNavDir navDir, int fromId,
+ int* toId, wxAccessible** toObject);
+
+ // Gets the name of the specified object.
+ virtual wxAccStatus GetName(int childId, wxString* name);
+
+ // Gets the number of children.
+ virtual wxAccStatus GetChildCount(int* childCount);
+
+ // Gets the specified child (starting from 1).
+ // If *child is NULL and return value is wxACC_OK,
+ // this means that the child is a simple element and
+ // not an accessible object.
+ virtual wxAccStatus GetChild(int childId, wxAccessible** child);
+
+ // Gets the parent, or NULL.
+ virtual wxAccStatus GetParent(wxAccessible** parent);
+
+ // Performs the default action. childId is 0 (the action for this object)
+ // or > 0 (the action for a child).
+ // Return wxACC_NOT_SUPPORTED if there is no default action for this
+ // window (e.g. an edit control).
+ virtual wxAccStatus DoDefaultAction(int childId);
+
+ // Gets the default action for this object (0) or > 0 (the action for a child).
+ // Return wxACC_OK even if there is no action. actionName is the action, or the empty
+ // string if there is no action.
+ // The retrieved string describes the action that is performed on an object,
+ // not what the object does as a result. For example, a toolbar button that prints
+ // a document has a default action of "Press" rather than "Prints the current document."
+ virtual wxAccStatus GetDefaultAction(int childId, wxString* actionName);
+
+ // Returns the description for this object or a child.
+ virtual wxAccStatus GetDescription(int childId, wxString* description);
+
+ // Returns help text for this object or a child, similar to tooltip text.
+ virtual wxAccStatus GetHelpText(int childId, wxString* helpText);
+
+ // Returns the keyboard shortcut for this object or child.
+ // Return e.g. ALT+K
+ virtual wxAccStatus GetKeyboardShortcut(int childId, wxString* shortcut);
+
+ // Returns a role constant.
+ virtual wxAccStatus GetRole(int childId, wxAccRole* role);
+
+ // Returns a state constant.
+ virtual wxAccStatus GetState(int childId, long* state);
+
+ // Returns a localized string representing the value for the object
+ // or child.
+ virtual wxAccStatus GetValue(int childId, wxString* strValue);
+
+ // Selects the object or child.
+ virtual wxAccStatus Select(int childId, wxAccSelectionFlags selectFlags);
+
+ // Gets the window with the keyboard focus.
+ // If childId is 0 and child is NULL, no object in
+ // this subhierarchy has the focus.
+ // If this object has the focus, child should be 'this'.
+ virtual wxAccStatus GetFocus(int* childId, wxAccessible** child);
+
+ // Gets a variant representing the selected children
+ // of this object.
+ // Acceptable values:
+ // - a null variant (IsNull() returns TRUE)
+ // - a list variant (GetType() == wxT("list")
+ // - an integer representing the selected child element,
+ // or 0 if this object is selected (GetType() == wxT("long")
+ // - a "void*" pointer to a wxAccessible child object
+ virtual wxAccStatus GetSelections(wxVariant* selections);
+};
+
+#endif // wxUSE_ACCESSIBILITY
+
+
+#endif
+ // _WX_WINDOW_H_BASE_
+
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