X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a419c3b116bef0b1e58e2ed0aea6ed0d053f7c21..c3aee5c154ce130ab9858453c9ae28f944565695:/include/wx/caret.h diff --git a/include/wx/caret.h b/include/wx/caret.h index f16884bd90..16caa514d8 100644 --- a/include/wx/caret.h +++ b/include/wx/caret.h @@ -5,14 +5,18 @@ // Modified by: // Created: 23.05.99 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team +// Copyright: (c) wxWidgets team // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_CARET_H_BASE_ #define _WX_CARET_H_BASE_ -#ifdef __GNUG__ +#include "wx/defs.h" + +#if wxUSE_CARET + +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "caret.h" #endif @@ -95,6 +99,15 @@ public: // get the window we're associated with wxWindow *GetWindow() const { return (wxWindow *)m_window; } + // change the size of the caret + void SetSize(int width, int height) { + m_width = width; + m_height = height; + DoSize(); + } + void SetSize(const wxSize& size) { SetSize(size.x, size.y); } + + // operations // ---------- @@ -105,7 +118,7 @@ public: // show/hide the caret (should be called by wxWindow when needed): // Show() must be called as many times as Hide() + 1 to make the caret // visible - virtual void Show(bool show = TRUE) + virtual void Show(bool show = true) { if ( show ) { @@ -118,7 +131,7 @@ public: DoHide(); } } - virtual void Hide() { Show(FALSE); } + virtual void Hide() { Show(false); } // blink time is measured in milliseconds and is the time elapsed // between 2 inversions of the caret (blink time of the caret is common @@ -143,13 +156,14 @@ protected: m_width = width; m_height = height; - return TRUE; + return true; } // pure virtuals to implement in the derived class virtual void DoShow() = 0; virtual void DoHide() = 0; virtual void DoMove() = 0; + virtual void DoSize() { } // the common initialization void Init() @@ -173,7 +187,7 @@ protected: int m_countVisible; private: - DECLARE_NO_COPY_CLASS(wxCaretBase); + DECLARE_NO_COPY_CLASS(wxCaretBase) }; // --------------------------------------------------------------------------- @@ -186,5 +200,40 @@ private: #include "wx/generic/caret.h" #endif // platform +// ---------------------------------------------------------------------------- +// wxCaretSuspend: a simple class which hides the caret in its ctor and +// restores it in the dtor, this should be used when drawing on the screen to +// avoid overdrawing the caret +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxCaretSuspend +{ +public: + wxCaretSuspend(wxWindow *win) + { + m_caret = win->GetCaret(); + m_show = false; + if ( m_caret && m_caret->IsVisible() ) + { + m_caret->Hide(); + m_show = true; + } + } + + ~wxCaretSuspend() + { + if ( m_caret && m_show ) + m_caret->Show(); + } + +private: + wxCaret *m_caret; + bool m_show; + + DECLARE_NO_COPY_CLASS(wxCaretSuspend) +}; + +#endif // wxUSE_CARET + #endif // _WX_CARET_H_BASE_