X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/76f53a0e39f545125d6396b57fcb5f9e8d1ba72b..de34bb081b6ce19bd4b1216d26a79b817a631bbd:/include/wx/gtk/window.h?ds=sidebyside diff --git a/include/wx/gtk/window.h b/include/wx/gtk/window.h index d8ee284bf2..c28f5532c9 100644 --- a/include/wx/gtk/window.h +++ b/include/wx/gtk/window.h @@ -1,313 +1,387 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: window.h +// Name: wx/gtk/window.h // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +#ifndef _WX_GTK_WINDOW_H_ +#define _WX_GTK_WINDOW_H_ -#ifndef __GTKWINDOWH__ -#define __GTKWINDOWH__ +#include "wx/dynarray.h" -#ifdef __GNUG__ -#pragma interface -#endif +// helper structure that holds class that holds GtkIMContext object and +// some additional data needed for key events processing +struct wxGtkIMData; -#include "wx/defs.h" -#include "wx/object.h" -#include "wx/list.h" -#include "wx/event.h" -#include "wx/validate.h" -#include "wx/cursor.h" -#include "wx/font.h" -#include "wx/dc.h" -#include "wx/region.h" -#include "wx/dnd.h" +WX_DEFINE_EXPORTED_ARRAY_PTR(GdkWindow *, wxArrayGdkWindows); //----------------------------------------------------------------------------- -// global data +// wxWindowGTK //----------------------------------------------------------------------------- -extern const char *wxFrameNameStr; -extern wxList wxTopLevelWindows; - -//----------------------------------------------------------------------------- -// classes -//----------------------------------------------------------------------------- - -class wxLayoutConstraints; -class wxSizer; -class wxResourceTable; -class wxItemResource; - -class wxWindow; -class wxCanvas; - -//----------------------------------------------------------------------------- -// global data -//----------------------------------------------------------------------------- - -extern const char *wxPanelNameStr; -extern const wxSize wxDefaultSize; -extern const wxPoint wxDefaultPosition; - -//----------------------------------------------------------------------------- -// wxWindow -//----------------------------------------------------------------------------- - -class wxWindow: public wxEvtHandler +class WXDLLIMPEXP_CORE wxWindowGTK : public wxWindowBase { public: - wxWindow(); - inline wxWindow(wxWindow *parent, wxWindowID id, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long style = 0, - const wxString& name = wxPanelNameStr) - { - Create(parent, id, pos, size, style, name); - } - bool Create(wxWindow *parent, wxWindowID id, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long style = 0, - const wxString& name = wxPanelNameStr); - virtual ~wxWindow(); - - virtual bool LoadFromResource(wxWindow *parent, const wxString& resourceName, const wxResourceTable *table = NULL); - virtual wxControl *CreateItem(const wxItemResource *childResource, const wxResourceTable *table = NULL); - - bool Close( bool force = FALSE ); - virtual bool Destroy(); - virtual bool DestroyChildren(); - - virtual void PrepareDC( wxDC &dc ); - - virtual void SetSize( int x, int y, int width, int height, - int sizeFlags = wxSIZE_AUTO ); - virtual void SetSize( int width, int height ); - virtual void Move( int x, int y ); - virtual void GetSize( int *width, int *height ) const; - virtual void SetClientSize( int const width, int const height ); - virtual void GetClientSize( int *width, int *height ) const; - virtual void GetPosition( int *x, int *y ) const; - virtual void Centre( int direction = wxHORIZONTAL ); - virtual void Fit(); - // set minimal/maxmimal size for the frame - virtual void SetSizeHints( int WXUNUSED(minW), int WXUNUSED(minH), int WXUNUSED(maxW), - int WXUNUSED(maxH), int WXUNUSED(incW) ) { } - - void OnSize( wxSizeEvent &event ); - void OnIdle( wxIdleEvent& event ); - - virtual bool Show( bool show ); - virtual void Enable( bool enable ); - virtual void MakeModal( bool modal ); - virtual bool IsEnabled() const { return m_isEnabled; } - inline bool Enabled(void) const { return IsEnabled(); } - virtual void SetFocus(); - virtual bool OnClose(); - - virtual void AddChild( wxWindow *child ); - wxList *GetChildren(); - virtual void RemoveChild( wxWindow *child ); - void SetReturnCode( int retCode ); - int GetReturnCode(); - wxWindow *GetParent() const - { return m_parent; } - wxWindow *GetGrandParent(void) const - { return (m_parent ? m_parent->m_parent : (wxWindow*)NULL); } - void SetParent( wxWindow *p ) - { m_parent = p; } - - wxEvtHandler *GetEventHandler(); - void SetEventHandler( wxEvtHandler *handler ); - void PushEventHandler( wxEvtHandler *handler ); - wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE ); - - virtual wxValidator *GetValidator(); - virtual void SetValidator( const wxValidator &validator ); - - bool IsBeingDeleted(); - - void SetId( wxWindowID id ); - wxWindowID GetId(); - - void SetCursor( const wxCursor &cursor ); - - virtual void Refresh( bool eraseBackground = TRUE, const wxRect *rect = NULL ); - virtual void Clear(); - virtual bool IsExposed( long x, long y ); - virtual bool IsExposed( long x, long y, long width, long height ); - - virtual wxColour GetBackgroundColour() const; - virtual void SetBackgroundColour( const wxColour &colour ); - virtual wxColour GetForegroundColour() const; - virtual void SetForegroundColour( const wxColour &colour ); - - virtual int GetCharHeight(void) const; - virtual int GetCharWidth(void) const; - virtual void GetTextExtent( const wxString& string, int *x, int *y, - int *descent = NULL, - int *externalLeading = NULL, - const wxFont *theFont = NULL, bool use16 = FALSE) const; - - virtual void SetDefaultBackgroundColour( const wxColour& col ) - { m_defaultBackgroundColour = col; } - virtual wxColour GetDefaultBackgroundColour() const - { return m_defaultBackgroundColour; } - virtual void SetDefaultForegroundColour( const wxColour& col ) - { m_defaultForegroundColour = col; } - virtual wxColour GetDefaultForegroundColour() const - { return m_defaultForegroundColour; } - - virtual void SetFont( const wxFont &font ); - virtual wxFont *GetFont(); - // For backward compatibility - inline virtual void SetButtonFont(const wxFont& font) { SetFont(font); } - inline virtual void SetLabelFont(const wxFont& font) { SetFont(font); } - inline virtual wxFont *GetLabelFont() { return GetFont(); }; - inline virtual wxFont *GetButtonFont() { return GetFont(); }; - virtual void SetWindowStyleFlag( long flag ); - virtual long GetWindowStyleFlag() const; - virtual void CaptureMouse(); - virtual void ReleaseMouse(); - virtual void SetTitle( const wxString &title ); - virtual wxString GetTitle() const; - virtual void SetName( const wxString &name ); - virtual wxString GetName() const; - virtual wxString GetLabel() const; - - void OnSysColourChanged( wxSysColourChangedEvent &WXUNUSED(event) ) {}; - - virtual bool IsShown() const; - - virtual void Raise(void); - virtual void Lower(void); - - virtual bool IsRetained(); - virtual wxWindow *FindWindow( long id ); - virtual wxWindow *FindWindow( const wxString& name ); - void AllowDoubleClick( bool WXUNUSED(allow) ) {}; - void SetDoubleClick( bool WXUNUSED(allow) ) {}; - virtual void ClientToScreen( int *x, int *y ); - virtual void ScreenToClient( int *x, int *y ); - - virtual bool Validate(); - virtual bool TransferDataToWindow(); - virtual bool TransferDataFromWindow(); - void OnInitDialog( wxInitDialogEvent &event ); - virtual void InitDialog(); - - virtual bool PopupMenu( wxMenu *menu, int x, int y ); - - virtual void SetDropTarget( wxDropTarget *dropTarget ); - virtual wxDropTarget *GetDropTarget() const; - -//private: - virtual GtkWidget* GetConnectWidget(void); - virtual bool IsOwnGtkWindow( GdkWindow *window ); - + // creating the window + // ------------------- + wxWindowGTK(); + wxWindowGTK(wxWindow *parent, + wxWindowID id, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = 0, + const wxString& name = wxPanelNameStr); + bool Create(wxWindow *parent, + wxWindowID id, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = 0, + const wxString& name = wxPanelNameStr); + virtual ~wxWindowGTK(); + + // implement base class (pure) virtual methods + // ------------------------------------------- + + virtual void SetLabel(const wxString& WXUNUSED(label)) { } + virtual wxString GetLabel() const { return wxEmptyString; } + + virtual bool Destroy(); + + virtual void Raise(); + virtual void Lower(); + + virtual bool Show( bool show = true ); + + virtual void SetWindowStyleFlag( long style ); + + virtual bool IsRetained() const; + + virtual void SetFocus(); + virtual void SetCanFocus(bool canFocus); + + virtual bool Reparent( wxWindowBase *newParent ); + + virtual void WarpPointer(int x, int y); + + virtual void Refresh( bool eraseBackground = true, + const wxRect *rect = (const wxRect *) NULL ); + virtual void Update(); + virtual void ClearBackground(); + + virtual bool SetBackgroundColour( const wxColour &colour ); + virtual bool SetForegroundColour( const wxColour &colour ); + virtual bool SetCursor( const wxCursor &cursor ); + virtual bool SetFont( const wxFont &font ); + + virtual bool SetBackgroundStyle(wxBackgroundStyle style) ; + + virtual int GetCharHeight() const; + virtual int GetCharWidth() const; + 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; + + virtual void SetScrollbar( int orient, int pos, int thumbVisible, + int range, bool refresh = true ); + virtual void SetScrollPos( int orient, int pos, bool refresh = true ); + virtual int GetScrollPos( int orient ) const; + virtual int GetScrollThumb( int orient ) const; + virtual int GetScrollRange( int orient ) const; + virtual void ScrollWindow( int dx, int dy, + const wxRect* rect = (wxRect *) NULL ); + 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 + + virtual void AddChild( wxWindowBase *child ); + virtual void RemoveChild( wxWindowBase *child ); + + virtual void SetLayoutDirection(wxLayoutDirection dir); + virtual wxLayoutDirection GetLayoutDirection() const; + virtual wxCoord AdjustForLayoutDirection(wxCoord x, + wxCoord width, + wxCoord widthTotal) const; + + virtual bool DoIsExposed( int x, int y ) const; + virtual bool DoIsExposed( int x, int y, int w, int h ) const; + + // currently wxGTK2-only + void SetDoubleBuffered(bool on); + virtual bool IsDoubleBuffered() const; + + // implementation + // -------------- + + virtual WXWidget GetHandle() const { return m_widget; } + + // many important things are done here, this function must be called + // regularly + virtual void OnInternalIdle(); + + // Internal represention of Update() + void GtkUpdate(); + + // For compatibility across platforms (not in event table) + void OnIdle(wxIdleEvent& WXUNUSED(event)) {} + + // Used by all window classes in the widget creation process. + bool PreCreation( wxWindowGTK *parent, const wxPoint &pos, const wxSize &size ); + void PostCreation(); + + // Internal addition of child windows. differs from class + // to class not by using virtual functions but by using + // the m_insertCallback. + void DoAddChild(wxWindowGTK *child); + + // This methods sends wxPaintEvents to the window. It reads the + // update region, breaks it up into rects and sends an event + // for each rect. It is also responsible for background erase + // events and NC paint events. It is called from "draw" and + // "expose" handlers as well as from ::Update() + void GtkSendPaintEvents(); + + // The methods below are required because many native widgets + // are composed of several subwidgets and setting a style for + // the widget means setting it for all subwidgets as well. + // also, it is not clear which native widget is the top + // widget where (most of) the input goes. even tooltips have + // to be applied to all subwidgets. + virtual GtkWidget* GetConnectWidget(); + void ConnectWidget( GtkWidget *widget ); + + // Called from several event handlers, if it returns true or false, the + // same value should be immediately returned by the handler without doing + // anything else. If it returns -1, the handler should continue as usual + int GTKCallbackCommonPrologue(struct _GdkEventAny *event) const; + + // override this if some events should never be consumed by wxWidgets but + // but have to be left for the native control + // + // base version just does GetEventHandler()->ProcessEvent() + virtual bool GTKProcessEvent(wxEvent& event) const; + + // Map GTK widget direction of the given widget to/from wxLayoutDirection + static wxLayoutDirection GTKGetLayout(GtkWidget *widget); + static void GTKSetLayout(GtkWidget *widget, wxLayoutDirection dir); + + // return true if this window must have a non-NULL parent, false if it can + // be created without parent (normally only top level windows but in wxGTK + // there is also the exception of wxMenuBar) + virtual bool GTKNeedsParent() const { return !IsTopLevel(); } + +protected: + // Override GTKWidgetNeedsMnemonic and return true if your + // needs to set its mnemonic widget, such as for a + // GtkLabel for wxStaticText, then do the actual + // setting of the widget inside GTKWidgetDoSetMnemonic + virtual bool GTKWidgetNeedsMnemonic() const; + virtual void GTKWidgetDoSetMnemonic(GtkWidget* w); + + // Get the GdkWindows making part of this window: usually there will be + // only one of them in which case it should be returned directly by this + // function. If there is more than one GdkWindow (can be the case for + // composite widgets), return NULL and fill in the provided array + // + // This is not pure virtual for backwards compatibility but almost + // certainly must be overridden in any wxControl-derived class! + virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const; + + // Check if the given window makes part of this widget + bool GTKIsOwnWindow(GdkWindow *window) const; + + // Set the focus to this window if its setting was delayed because the + // widget hadn't been realized when SetFocus() was called + // + // Return true if focus was set to us, false if nothing was done + bool GTKSetDelayedFocusIfNeeded(); + public: - virtual void SetScrollbar( int orient, int pos, int thumbVisible, - int range, bool refresh = TRUE ); - virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ); - virtual int GetScrollPos( int orient ) const; - virtual int GetScrollThumb( int orient ) const; - virtual int GetScrollRange( int orient ) const; - virtual void ScrollWindow( int dx, int dy, const wxRect* rect = NULL ); - - // return FALSE from here if the window doesn't want the focus - virtual bool AcceptsFocus() const; - - // update the UI state (called from OnIdle) - void UpdateWindowUI(); - - -public: // cannot get private going yet - - void PreCreation( wxWindow *parent, wxWindowID id, const wxPoint &pos, - const wxSize &size, long style, const wxString &name ); - void PostCreation(); - bool HasVMT(); - virtual void ImplementSetSize(); - virtual void ImplementSetPosition(); - void GetDrawingOffset( long *x, long *y ); - - wxWindow *m_parent; - wxList m_children; - int m_x,m_y; - int m_width,m_height; - int m_retCode; - wxEvtHandler *m_eventHandler; - wxValidator *m_windowValidator; - wxDropTarget *m_pDropTarget; - wxWindowID m_windowId; - wxCursor *m_cursor; - wxFont m_font; - wxColour m_backgroundColour; - wxColour m_defaultBackgroundColour; - wxColour m_foregroundColour ; - wxColour m_defaultForegroundColour; - wxRegion m_updateRegion; - long m_windowStyle; - bool m_isShown; - bool m_isEnabled; - wxString m_windowName; - long m_drawingOffsetX,m_drawingOffsetY; - - GtkWidget *m_widget; - GtkWidget *m_wxwindow; - GtkAdjustment *m_hAdjust,*m_vAdjust; - float m_oldHorizontalPos; - float m_oldVerticalPos; - bool m_needParent; - bool m_hasScrolling; - bool m_hasVMT; - bool m_sizeSet; - bool m_resizing; - -public: // Layout section - - wxLayoutConstraints * m_constraints; - wxList * m_constraintsInvolvedIn; - wxSizer * m_windowSizer; - wxWindow * m_sizerParent; - bool m_autoLayout; - - wxLayoutConstraints *GetConstraints() const; - void SetConstraints( wxLayoutConstraints *constraints ); - void SetAutoLayout( bool autoLayout ); - bool GetAutoLayout() const; - bool Layout(); - void SetSizer( wxSizer *sizer ); - wxSizer *GetSizer() const; - void SetSizerParent( wxWindow *win ); - wxWindow *GetSizerParent() const; - void UnsetConstraints(wxLayoutConstraints *c); - inline wxList *GetConstraintsInvolvedIn() const ; - void AddConstraintReference(wxWindow *otherWin); - void RemoveConstraintReference(wxWindow *otherWin); - void DeleteRelatedConstraints(); - virtual void ResetConstraints(); - virtual void SetConstraintSizes(bool recurse = TRUE); - virtual bool LayoutPhase1(int *noChanges); - virtual bool LayoutPhase2(int *noChanges); - virtual bool DoPhase(int); - virtual void TransformSizerToActual(int *x, int *y) const ; - virtual void SizerSetSize(int x, int y, int w, int h); - virtual void SizerMove(int x, int y); - 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 ; - - DECLARE_DYNAMIC_CLASS(wxWindow) - DECLARE_EVENT_TABLE() + // Returns the default context which usually is anti-aliased + PangoContext *GtkGetPangoDefaultContext(); + +#if wxUSE_TOOLTIPS + // applies tooltip to the widget (tip must be UTF-8 encoded) + virtual void ApplyToolTip( GtkTooltips *tips, const gchar *tip ); +#endif // wxUSE_TOOLTIPS + + // Called when a window should delay showing itself + // until idle time. This partly mimmicks defered + // sizing under MSW. + void GtkShowOnIdle() { m_showOnIdle = true; } + + // This is called from the various OnInternalIdle methods + bool GtkShowFromOnIdle(); + + // fix up the mouse event coords, used by wxListBox only so far + virtual void FixUpMouseEvent(GtkWidget * WXUNUSED(widget), + wxCoord& WXUNUSED(x), + wxCoord& WXUNUSED(y)) { } + + // is this window transparent for the mouse events (as wxStaticBox is)? + virtual bool IsTransparentForMouse() const { return false; } + + // is this a radiobutton (used by radiobutton code itself only)? + virtual bool IsRadioButton() const { return false; } + + // Common scroll event handling code for wxWindow and wxScrollBar + wxEventType GetScrollEventType(GtkRange* range); + + void BlockScrollEvent(); + void UnblockScrollEvent(); + + // position and size of the window + int m_x, m_y; + int m_width, m_height; + int m_oldClientWidth,m_oldClientHeight; + + // see the docs in src/gtk/window.cpp + GtkWidget *m_widget; // mostly the widget seen by the rest of GTK + GtkWidget *m_wxwindow; // mostly the client area as per wxWidgets + + // return true if the window is of a standard (i.e. not wxWidgets') class + bool IsOfStandardClass() const { return m_wxwindow == NULL; } + + // this widget will be queried for GTK's focus events + GtkWidget *m_focusWidget; + + wxGtkIMData *m_imData; + + + // indices for the arrays below + enum ScrollDir { ScrollDir_Horz, ScrollDir_Vert, ScrollDir_Max }; + + // horizontal/vertical scroll bar + GtkRange* m_scrollBar[ScrollDir_Max]; + + // horizontal/vertical scroll position + double m_scrollPos[ScrollDir_Max]; + + // return the scroll direction index corresponding to the given orientation + // (which is wxVERTICAL or wxHORIZONTAL) + static ScrollDir ScrollDirFromOrient(int orient) + { + return orient == wxVERTICAL ? ScrollDir_Vert : ScrollDir_Horz; + } + + // return the orientation for the given scrolling direction + static int OrientFromScrollDir(ScrollDir dir) + { + return dir == ScrollDir_Horz ? wxHORIZONTAL : wxVERTICAL; + } + + // find the direction of the given scrollbar (must be one of ours) + ScrollDir ScrollDirFromRange(GtkRange *range) const; + + + // extra (wxGTK-specific) flags + bool m_noExpose:1; // wxGLCanvas has its own redrawing + bool m_nativeSizeEvent:1; // wxGLCanvas sends wxSizeEvent upon "alloc_size" + bool m_hasScrolling:1; + bool m_hasVMT:1; + bool m_resizing:1; + bool m_hasFocus:1; // true if == FindFocus() + bool m_isScrolling:1; // dragging scrollbar thumb? + bool m_clipPaintRegion:1; // true after ScrollWindow() + wxRegion m_nativeUpdateRegion; // not transformed for RTL + bool m_dirtyTabOrder:1; // tab order changed, GTK focus + // chain needs update + bool m_needsStyleChange:1; // May not be able to change + // background style until OnIdle + bool m_mouseButtonDown:1; + bool m_blockScrollEvent:1; + + bool m_showOnIdle:1; // postpone showing the window until idle + +protected: + // C++ has no virtual methods in the constrcutor of any class but we need + // different methods of inserting a child window into a wxFrame, + // wxMDIFrame, wxNotebook etc. this is the callback that will get used. + typedef void (*InsertChildFunction)(wxWindowGTK*, wxWindowGTK*); + InsertChildFunction m_insertCallback; + + // 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; + virtual void DoSetSize(int x, int y, + int width, int height, + int sizeFlags = wxSIZE_AUTO); + virtual void DoSetClientSize(int width, int height); + virtual void DoMoveWindow(int x, int y, int width, int height); + virtual void DoEnable(bool enable); + +#if wxUSE_MENUS_NATIVE + virtual bool DoPopupMenu( wxMenu *menu, int x, int y ); +#endif // wxUSE_MENUS_NATIVE + + virtual void DoCaptureMouse(); + virtual void DoReleaseMouse(); + +#if wxUSE_TOOLTIPS + virtual void DoSetToolTip( wxToolTip *tip ); +#endif // wxUSE_TOOLTIPS + + // common part of all ctors (not virtual because called from ctor) + void Init(); + + virtual void DoMoveInTabOrder(wxWindow *win, MoveKind move); + virtual bool DoNavigateIn(int flags); + + + // Copies m_children tab order to GTK focus chain: + void RealizeTabOrder(); + + // Called by ApplyWidgetStyle (which is called by SetFont() and + // SetXXXColour etc to apply style changed to native widgets) to create + // modified GTK style with non-standard attributes. If forceStyle=true, + // creates empty GtkRcStyle if there are no modifications, otherwise + // returns NULL in such case. + GtkRcStyle *CreateWidgetStyle(bool forceStyle = false); + + // Overridden in many GTK widgets who have to handle subwidgets + virtual void ApplyWidgetStyle(bool forceStyle = false); + + // helper function to ease native widgets wrapping, called by + // ApplyWidgetStyle -- override this, not ApplyWidgetStyle + virtual void DoApplyWidgetStyle(GtkRcStyle *style); + + // sets the border of a given GtkScrolledWindow from a wx style + static void GtkScrolledWindowSetBorder(GtkWidget* w, int style); + + // set the current cursor for all GdkWindows making part of this widget + // (see GTKGetWindow) + // + // should be called from OnInternalIdle() if it's overridden + void GTKUpdateCursor(); + + void ConstrainSize(); + +private: + enum ScrollUnit { ScrollUnit_Line, ScrollUnit_Page, ScrollUnit_Max }; + + // common part of ScrollLines() and ScrollPages() and could be used, in the + // future, for horizontal scrolling as well + // + // return true if we scrolled, false otherwise (on error or simply if we + // are already at the end) + bool DoScrollByUnits(ScrollDir dir, ScrollUnit unit, int units); + + + DECLARE_DYNAMIC_CLASS(wxWindowGTK) + DECLARE_NO_COPY_CLASS(wxWindowGTK) }; -#endif // __GTKWINDOWH__ +extern WXDLLIMPEXP_CORE wxWindow *wxFindFocusedChild(wxWindowGTK *win); + +#endif // _WX_GTK_WINDOW_H_