150 lines
4.7 KiB
C++
150 lines
4.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/mousestate.h
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// Purpose: Declaration of wxMouseState class
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// Author: Vadim Zeitlin
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// Created: 2008-09-19 (extracted from wx/utils.h)
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// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MOUSESTATE_H_
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#define _WX_MOUSESTATE_H_
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#include "wx/gdicmn.h" // for wxPoint
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#include "wx/kbdstate.h"
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// the symbolic names for the mouse buttons
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enum wxMouseButton
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{
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wxMOUSE_BTN_ANY = -1,
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wxMOUSE_BTN_NONE = 0,
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wxMOUSE_BTN_LEFT = 1,
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wxMOUSE_BTN_MIDDLE = 2,
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wxMOUSE_BTN_RIGHT = 3,
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wxMOUSE_BTN_AUX1 = 4,
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wxMOUSE_BTN_AUX2 = 5,
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wxMOUSE_BTN_MAX
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};
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// ----------------------------------------------------------------------------
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// wxMouseState contains the information about mouse position, buttons and also
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// key modifiers
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// ----------------------------------------------------------------------------
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// wxMouseState is used to hold information about button and modifier state
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// and is what is returned from wxGetMouseState.
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class WXDLLIMPEXP_CORE wxMouseState : public wxKeyboardState
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{
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public:
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wxMouseState()
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: m_leftDown(false), m_middleDown(false), m_rightDown(false),
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m_aux1Down(false), m_aux2Down(false),
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m_x(0), m_y(0)
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{
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}
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// default copy ctor, assignment operator and dtor are ok
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// accessors for the mouse position
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wxCoord GetX() const { return m_x; }
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wxCoord GetY() const { return m_y; }
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wxPoint GetPosition() const { return wxPoint(m_x, m_y); }
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void GetPosition(wxCoord *x, wxCoord *y) const
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{
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if ( x )
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*x = m_x;
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if ( y )
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*y = m_y;
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}
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// this overload is for compatibility only
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void GetPosition(long *x, long *y) const
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{
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if ( x )
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*x = m_x;
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if ( y )
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*y = m_y;
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}
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// accessors for the pressed buttons
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bool LeftIsDown() const { return m_leftDown; }
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bool MiddleIsDown() const { return m_middleDown; }
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bool RightIsDown() const { return m_rightDown; }
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bool Aux1IsDown() const { return m_aux1Down; }
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bool Aux2IsDown() const { return m_aux2Down; }
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bool ButtonIsDown(wxMouseButton but) const
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{
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switch ( but )
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{
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case wxMOUSE_BTN_ANY:
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return LeftIsDown() || MiddleIsDown() || RightIsDown() ||
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Aux1IsDown() || Aux2IsDown();
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case wxMOUSE_BTN_LEFT:
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return LeftIsDown();
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case wxMOUSE_BTN_MIDDLE:
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return MiddleIsDown();
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case wxMOUSE_BTN_RIGHT:
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return RightIsDown();
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case wxMOUSE_BTN_AUX1:
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return Aux1IsDown();
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case wxMOUSE_BTN_AUX2:
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return Aux2IsDown();
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case wxMOUSE_BTN_NONE:
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case wxMOUSE_BTN_MAX:
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break;
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}
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wxFAIL_MSG(wxS("invalid parameter"));
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return false;
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}
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// these functions are mostly used by wxWidgets itself
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void SetX(wxCoord x) { m_x = x; }
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void SetY(wxCoord y) { m_y = y; }
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void SetPosition(const wxPoint& pos) { m_x = pos.x; m_y = pos.y; }
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void SetLeftDown(bool down) { m_leftDown = down; }
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void SetMiddleDown(bool down) { m_middleDown = down; }
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void SetRightDown(bool down) { m_rightDown = down; }
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void SetAux1Down(bool down) { m_aux1Down = down; }
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void SetAux2Down(bool down) { m_aux2Down = down; }
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// this mostly makes sense in the derived classes such as wxMouseEvent
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void SetState(const wxMouseState& state) { *this = state; }
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// these functions are for compatibility only, they were used in 2.8
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// version of wxMouseState but their names are confusing as wxMouseEvent
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// has methods with the same names which do something quite different so
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// don't use them any more
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#if WXWIN_COMPATIBILITY_2_8
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wxDEPRECATED_INLINE(bool LeftDown() const, return LeftIsDown(); )
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wxDEPRECATED_INLINE(bool MiddleDown() const, return MiddleIsDown(); )
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wxDEPRECATED_INLINE(bool RightDown() const, return RightIsDown(); )
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#endif // WXWIN_COMPATIBILITY_2_8
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// for compatibility reasons these variables are public as the code using
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// wxMouseEvent often uses them directly -- however they should not be
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// accessed directly in this class, use the accessors above instead
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// private:
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bool m_leftDown : 1;
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bool m_middleDown : 1;
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bool m_rightDown : 1;
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bool m_aux1Down : 1;
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bool m_aux2Down : 1;
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wxCoord m_x,
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m_y;
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};
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#endif // _WX_MOUSESTATE_H_
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