#ifndef _WX_UNIV_SCROLBAR_H_
#define _WX_UNIV_SCROLBAR_H_
-class WXDLLEXPORT wxScrollTimer;
+class WXDLLIMPEXP_FWD_CORE wxScrollTimer;
#include "wx/univ/scrarrow.h"
#include "wx/renderer.h"
long numArg = 0,
const wxString& strArg = wxEmptyString);
- // The scrollbars around a normal window should not
- // receive the focus.
+ static wxInputHandler *GetStdInputHandler(wxInputHandler *handlerDef);
+ virtual wxInputHandler *DoGetStdInputHandler(wxInputHandler *handlerDef)
+ {
+ return GetStdInputHandler(handlerDef);
+ }
+
+ // scrollbars around a normal window should not receive the focus
virtual bool AcceptsFocus() const;
// wxScrollBar sub elements state (combination of wxCONTROL_XXX)
virtual int GetArrowState(wxScrollArrows::Arrow arrow) const;
virtual void SetArrowFlag(wxScrollArrows::Arrow arrow, int flag, bool set);
virtual bool OnArrow(wxScrollArrows::Arrow arrow);
- virtual wxScrollArrows::Arrow HitTest(const wxPoint& pt) const;
+ virtual wxScrollArrows::Arrow HitTestArrow(const wxPoint& pt) const;
// for wxControlRenderer::DrawScrollbar() only
const wxScrollArrows& GetArrows() const { return m_arrows; }
+ // returns one of wxHT_SCROLLBAR_XXX constants
+ wxHitTest HitTestBar(const wxPoint& pt) const;
+
// idle processing
virtual void OnInternalIdle();
// is this scrollbar attached to a window or a standalone control?
bool IsStandalone() const;
+ // scrollbar geometry methods:
+
+ // gets the bounding box for a scrollbar element for the given (by default
+ // - current) thumb position
+ wxRect GetScrollbarRect(wxScrollBar::Element elem, int thumbPos = -1) const;
+
+ // returns the size of the scrollbar shaft excluding the arrows
+ wxCoord GetScrollbarSize() const;
+
+ // translate the scrollbar position (in logical units) into physical
+ // coordinate (in pixels) and the other way round
+ wxCoord ScrollbarToPixel(int thumbPos = -1);
+ int PixelToScrollbar(wxCoord coord);
+
+ // return the starting and ending positions, in pixels, of the thumb of a
+ // scrollbar with the given logical position, thumb size and range and the
+ // given physical length
+ static void GetScrollBarThumbSize(wxCoord length,
+ int thumbPos,
+ int thumbSize,
+ int range,
+ wxCoord *thumbStart,
+ wxCoord *thumbEnd);
+
private:
// total range of the scrollbar in logical units
int m_range;
// the object handling the arrows
wxScrollArrows m_arrows;
+ friend WXDLLEXPORT class wxControlRenderer; // for geometry methods
+ friend class wxStdScrollBarInputHandler; // for geometry methods
+
DECLARE_EVENT_TABLE()
DECLARE_DYNAMIC_CLASS(wxScrollBar)
};
// ----------------------------------------------------------------------------
-// common scrollbar input handler: it manages clicks on the standard scrollbar
-// elements (line arrows, bar, thumb)
+// Standard scrollbar input handler which can be used as a base class
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxStdScrollBarInputHandler : public wxStdInputHandler
const wxControlAction& action);
protected:
- // the methods which must be overridden in the derived class
-
// return true if the mouse button can be used to activate scrollbar, false
- // if not (only left mouse button can do it under Windows, any button under
- // GTK+)
- virtual bool IsAllowedButton(int button) = 0;
+ // if not (any button under GTK+ unlike left button only which is default)
+ virtual bool IsAllowedButton(int button) const
+ { return button == wxMOUSE_BTN_LEFT; }
// set or clear the specified flag on the scrollbar element corresponding
// to m_htLast
// generate a "thumb move" action for this mouse event
void HandleThumbMove(wxScrollBar *scrollbar, const wxMouseEvent& event);
+
// the window (scrollbar) which has capture or NULL and the flag telling if
// the mouse is inside the element which captured it or not
wxWindow *m_winCapture;