X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/764a3a49068a94d1edb96f299b10c155d101c1b0..d30f0930060a3091d7326dff8c4e5fa09f638e99:/include/wx/caret.h diff --git a/include/wx/caret.h b/include/wx/caret.h index 1c10856e42..f7d91c76f8 100644 --- a/include/wx/caret.h +++ b/include/wx/caret.h @@ -12,6 +12,14 @@ #ifndef _WX_CARET_H_BASE_ #define _WX_CARET_H_BASE_ +#include "wx/defs.h" + +#if wxUSE_CARET + +#ifdef __GNUG__ +#pragma interface "caret.h" +#endif + // --------------------------------------------------------------------------- // forward declarations // --------------------------------------------------------------------------- @@ -19,10 +27,16 @@ class WXDLLEXPORT wxWindow; class WXDLLEXPORT wxWindowBase; -// --------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- +// headers we have to include +// ---------------------------------------------------------------------------- + +#include "wx/gdicmn.h" // for wxPoint, wxSize + +// ---------------------------------------------------------------------------- // A caret is a blinking cursor showing the position where the typed text will // appear. It can be either a solid block or a custom bitmap (TODO) -// --------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- class WXDLLEXPORT wxCaretBase { @@ -63,6 +77,9 @@ public: // is the caret valid? bool IsOk() const { return m_width != 0 && m_height != 0; } + // is the caret currently shown? + bool IsVisible() const { return m_countVisible > 0; } + // get the caret position void GetPosition(int *x, int *y) const { @@ -82,6 +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 // ---------- @@ -137,6 +163,7 @@ protected: virtual void DoShow() = 0; virtual void DoHide() = 0; virtual void DoMove() = 0; + virtual void DoSize() { } // the common initialization void Init() @@ -160,19 +187,46 @@ protected: int m_countVisible; private: - DECLARE_NO_COPY_CLASS(wxCaretBase); + DECLARE_NO_COPY_CLASS(wxCaretBase) }; // --------------------------------------------------------------------------- // now include the real thing // --------------------------------------------------------------------------- -#ifdef __WXMSW__ +#if defined(__WXMSW__) #include "wx/msw/caret.h" #else - // not implemented yet - typedef wxCaretBase wxCaret; + #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(); + if ( m_caret ) + m_caret->Hide(); + } + + ~wxCaretSuspend() + { + if ( m_caret ) + m_caret->Show(); + } + +private: + wxCaret *m_caret; +}; + +#endif // wxUSE_CARET + #endif // _WX_CARET_H_BASE_