projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| ffecfa5a JS |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/palmos/gdiobj.h | |
| 3 | // Purpose: wxGDIObject class: base class for other GDI classes | |
| 4 | // Author: William Osborne | |
| 5 | // Modified by: | |
| 6 | // Created: 10/13/04 | |
| 7 | // RCS-ID: $Id: | |
| 8 | // Copyright: (c) William Osborne | |
| 9 | // Licence: wxWindows licence | |
| 10 | ///////////////////////////////////////////////////////////////////////////// | |
| 11 | ||
| 12 | #ifndef _WX_GDIOBJ_H_ | |
| 13 | #define _WX_GDIOBJ_H_ | |
| 14 | ||
| 15 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
| 16 | #pragma interface "gdiobj.h" | |
| 17 | #endif | |
| 18 | ||
| 19 | #include "wx/object.h" // base class | |
| 20 | ||
| 21 | // ---------------------------------------------------------------------------- | |
| 22 | // wxGDIRefData is the base class for wxXXXData structures which contain the | |
| 23 | // real data for the GDI object and are shared among all wxWin objects sharing | |
| 24 | // the same native GDI object | |
| 25 | // ---------------------------------------------------------------------------- | |
| 26 | ||
| 27 | class WXDLLEXPORT wxGDIRefData : public wxObjectRefData | |
| 28 | { | |
| 29 | // this class is intentionally left blank | |
| 30 | }; | |
| 31 | ||
| 32 | // ---------------------------------------------------------------------------- | |
| 33 | // wxGDIObject | |
| 34 | // ---------------------------------------------------------------------------- | |
| 35 | ||
| 36 | class WXDLLEXPORT wxGDIObject : public wxObject | |
| 37 | { | |
| 38 | public: | |
| 39 | wxGDIObject() { m_visible = FALSE; }; | |
| 40 | ||
| 41 | // Creates the resource | |
| 42 | virtual bool RealizeResource() { return FALSE; }; | |
| 43 | ||
| 44 | // Frees the resource | |
| 45 | virtual bool FreeResource(bool WXUNUSED(force) = FALSE) { return FALSE; } | |
| 46 | ||
| 47 | virtual bool IsFree() const { return FALSE; } | |
| 48 | ||
| 49 | bool IsNull() const { return (m_refData == 0); } | |
| 50 | ||
| 51 | // Returns handle. | |
| 52 | virtual WXHANDLE GetResourceHandle() const { return 0; } | |
| 53 | ||
| 54 | virtual bool GetVisible() { return m_visible; } | |
| 55 | virtual void SetVisible(bool v) { m_visible = v; } | |
| 56 | ||
| 57 | protected: | |
| 58 | bool m_visible; // TRUE only if we should delete this object ourselves | |
| 59 | ||
| 60 | private: | |
| 61 | DECLARE_DYNAMIC_CLASS(wxGDIObject) | |
| 62 | }; | |
| 63 | ||
| 64 | #endif | |
| 65 | // _WX_GDIOBJ_H_ |