442b35b53b
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10795 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
114 lines
4.0 KiB
C++
114 lines
4.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/univ/scrarrow.h
|
|
// Purpose: wxScrollArrows class
|
|
// Author: Vadim Zeitlin
|
|
// Modified by:
|
|
// Created: 22.01.01
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
|
|
// Licence: wxWindows licence
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_UNIV_SCRARROW_H_
|
|
#define _WX_UNIV_SCRARROW_H_
|
|
|
|
#ifdef __GNUG__
|
|
#pragma interface "univscrarrow.h"
|
|
#endif
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxScrollArrows is not a control but just a class containing the common
|
|
// functionality of scroll arrows, whether part of scrollbars, spin ctrls or
|
|
// anything else.
|
|
//
|
|
// To customize its behaviour, wxScrollArrows doesn't use any virtual methods
|
|
// but instead a callback pointer to a wxControlWithArrows object which is used
|
|
// for all control-dependent stuff. Thus, to use wxScrollArrows, you just need
|
|
// to derive from the wxControlWithArrows interface and implement its methods.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxControlWithArrows;
|
|
class WXDLLEXPORT wxDC;
|
|
class WXDLLEXPORT wxMouseEvent;
|
|
class WXDLLEXPORT wxRect;
|
|
class WXDLLEXPORT wxRenderer;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxScrollArrows: an abstraction of scrollbar arrow
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxScrollArrows
|
|
{
|
|
public:
|
|
enum Arrow
|
|
{
|
|
Arrow_None = -1,
|
|
Arrow_First, // left or top
|
|
Arrow_Second, // right or bottom
|
|
Arrow_Max
|
|
};
|
|
|
|
// ctor requires a back pointer to wxControlWithArrows
|
|
wxScrollArrows(wxControlWithArrows *control);
|
|
|
|
// draws the arrow on the given DC in the given rectangle, uses
|
|
// wxControlWithArrows::GetArrowState() to get its current state
|
|
void DrawArrow(Arrow arrow, wxDC& dc, const wxRect& rect,
|
|
bool scrollbarLike = FALSE) const;
|
|
|
|
// process a mouse move, enter or leave event, possibly calling
|
|
// wxControlWithArrows::SetArrowState() if wxControlWithArrows::HitTest()
|
|
// says that the mosue has left/entered an arrow
|
|
bool HandleMouseMove(const wxMouseEvent& event) const;
|
|
|
|
// process a mouse click event
|
|
bool HandleMouse(const wxMouseEvent& event) const;
|
|
|
|
// dtor
|
|
~wxScrollArrows();
|
|
|
|
private:
|
|
// set or clear the wxCONTROL_CURRENT flag for the arrow
|
|
void UpdateCurrentFlag(Arrow arrow, Arrow arrowCur) const;
|
|
|
|
// the main control
|
|
wxControlWithArrows *m_control;
|
|
|
|
// the data for the mouse capture
|
|
struct wxScrollArrowCaptureData *m_captureData;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxControlWithArrows: interface implemented by controls using wxScrollArrows
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLEXPORT wxControlWithArrows
|
|
{
|
|
public:
|
|
// get the renderer to use for drawing the arrows
|
|
virtual wxRenderer *GetRenderer() const = 0;
|
|
|
|
// get the controls window (used for mouse capturing)
|
|
virtual wxWindow *GetWindow() = 0;
|
|
|
|
// get the orientation of the arrows (vertical or horizontal)
|
|
virtual bool IsVertical() const = 0;
|
|
|
|
// get the state of this arrow as combination of wxCONTROL_XXX flags
|
|
virtual int GetArrowState(wxScrollArrows::Arrow arrow) const = 0;
|
|
|
|
// set or clear the specified flag in the arrow state: this function is
|
|
// responsible for refreshing the control
|
|
virtual void SetArrowFlag(wxScrollArrows::Arrow arrow,
|
|
int flag, bool set = TRUE) = 0;
|
|
|
|
// hit testing: return on which arrow the point is (or Arrow_None)
|
|
virtual wxScrollArrows::Arrow HitTest(const wxPoint& pt) const = 0;
|
|
|
|
// called when the arrow is pressed, return TRUE to continue scrolling and
|
|
// FALSE to stop it
|
|
virtual bool OnArrow(wxScrollArrows::Arrow arrow) = 0;
|
|
};
|
|
|
|
#endif // _WX_UNIV_SCRARROW_H_
|