95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/generic/caret.h
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// Purpose: generic wxCaret class
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// Author: Vadim Zeitlin (original code by Robert Roebling)
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// Modified by:
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// Created: 25.05.99
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// Copyright: (c) wxWidgets team
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_CARET_H_
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#define _WX_CARET_H_
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#include "wx/timer.h"
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#include "wx/dc.h"
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#include "wx/overlay.h"
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#ifdef wxHAS_NATIVE_OVERLAY
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#define wxHAS_CARET_USING_OVERLAYS
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#endif
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class WXDLLIMPEXP_FWD_CORE wxCaret;
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class WXDLLIMPEXP_CORE wxCaretTimer : public wxTimer
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{
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public:
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wxCaretTimer(wxCaret *caret);
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virtual void Notify();
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private:
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wxCaret *m_caret;
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};
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class WXDLLIMPEXP_CORE wxCaret : public wxCaretBase
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{
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public:
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// ctors
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// -----
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// default - use Create()
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wxCaret() : m_timer(this) { InitGeneric(); }
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// creates a block caret associated with the given window
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wxCaret(wxWindowBase *window, int width, int height)
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: wxCaretBase(window, width, height), m_timer(this) { InitGeneric(); }
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wxCaret(wxWindowBase *window, const wxSize& size)
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: wxCaretBase(window, size), m_timer(this) { InitGeneric(); }
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virtual ~wxCaret();
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// implementation
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// --------------
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// called by wxWindow (not using the event tables)
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virtual void OnSetFocus();
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virtual void OnKillFocus();
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// called by wxCaretTimer
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void OnTimer();
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protected:
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virtual void DoShow();
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virtual void DoHide();
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virtual void DoMove();
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virtual void DoSize();
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// blink the caret once
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void Blink();
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// refresh the caret
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void Refresh();
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// draw the caret on the given DC
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void DoDraw(wxDC *dc, wxWindow* win);
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private:
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// GTK specific initialization
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void InitGeneric();
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#ifdef wxHAS_CARET_USING_OVERLAYS
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// the overlay for displaying the caret
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wxOverlay m_overlay;
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#else
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// the bitmap holding the part of window hidden by the caret when it was
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// at (m_xOld, m_yOld)
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wxBitmap m_bmpUnderCaret;
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int m_xOld,
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m_yOld;
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#endif
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wxCaretTimer m_timer;
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bool m_blinkedOut, // true => caret hidden right now
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m_hasFocus; // true => our window has focus
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};
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#endif // _WX_CARET_H_
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