X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/697b08a89a296e4ff1c188e275cdecbc3fe8c872..462bc04863a27a56a75faf72c20977a2e958c2a5:/include/wx/msw/private.h diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h index f932b0c2a5..3cda5809f9 100644 --- a/include/wx/msw/private.h +++ b/include/wx/msw/private.h @@ -183,22 +183,6 @@ WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT; extern LONG APIENTRY _EXPORT wxSubclassedGenericControlProc(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam); -// --------------------------------------------------------------------------- -// constants which might miss from some compilers' headers -// --------------------------------------------------------------------------- - -#if !defined(__WIN32__) && !defined(WS_EX_CLIENTEDGE) - #define WS_EX_CLIENTEDGE 0 -#endif - -#if defined(__WIN32__) && !defined(WS_EX_CLIENTEDGE) - #define WS_EX_CLIENTEDGE 0x00000200L -#endif - -#ifndef ENDSESSION_LOGOFF - #define ENDSESSION_LOGOFF 0x80000000 -#endif - // --------------------------------------------------------------------------- // useful macros and functions // --------------------------------------------------------------------------- @@ -302,12 +286,18 @@ HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY); // get the current state of SHIFT/CTRL keys inline bool wxIsShiftDown() { - return (::GetKeyState(VK_SHIFT) & 0x100) != 0; +// return (::GetKeyState(VK_SHIFT) & 0x100) != 0; + // Returns different negative values on WinME and WinNT, + // so simply test for negative value. + return ::GetKeyState(VK_SHIFT) < 0; } inline bool wxIsCtrlDown() { - return (::GetKeyState(VK_CONTROL) & 0x100) != 0; +// return (::GetKeyState(VK_CONTROL) & 0x100) != 0; + // Returns different negative values on WinME and WinNT, + // so simply test for negative value. + return ::GetKeyState(VK_CONTROL) < 0; } // wrapper around GetWindowRect() and GetClientRect() APIs doing error checking @@ -346,6 +336,20 @@ inline RECT wxGetClientRect(HWND hwnd) // small helper classes // --------------------------------------------------------------------------- +// a template to make initializing Windows styructs less painful: it zeroes all +// the struct fields and also sets cbSize member to the correct value (and so +// can be only used with structures which have this member...) +template +struct WinStruct : public T +{ + WinStruct() + { + ::ZeroMemory(this, sizeof(T)); + cbSize = sizeof(T); + } +}; + + // create an instance of this class and use it as the HDC for screen, will // automatically release the DC going out of scope class ScreenHDC @@ -367,7 +371,7 @@ private: class MemoryHDC { public: - MemoryHDC(HDC hdc) { m_hdc = ::CreateCompatibleDC(hdc); } + MemoryHDC(HDC hdc = 0) { m_hdc = ::CreateCompatibleDC(hdc); } ~MemoryHDC() { ::DeleteDC(m_hdc); } operator HDC() const { return m_hdc; } @@ -401,10 +405,10 @@ private: // when working with global pointers (which is unfortunately still necessary // sometimes, e.g. for clipboard) it is important to unlock them exactly as // many times as we lock them which just asks for using a "smart lock" class -class GlobalHandle +class GlobalPtr { public: - GlobalHandle(HGLOBAL hGlobal) : m_hGlobal(hGlobal) + GlobalPtr(HGLOBAL hGlobal) : m_hGlobal(hGlobal) { m_ptr = ::GlobalLock(hGlobal); if ( !m_ptr ) @@ -413,7 +417,7 @@ public: } } - ~GlobalHandle() + ~GlobalPtr() { if ( !::GlobalUnlock(m_hGlobal) ) { @@ -434,7 +438,7 @@ private: HGLOBAL m_hGlobal; void *m_ptr; - DECLARE_NO_COPY_CLASS(GlobalHandle) + DECLARE_NO_COPY_CLASS(GlobalPtr) }; // --------------------------------------------------------------------------- @@ -482,9 +486,7 @@ private: // global data // --------------------------------------------------------------------------- -WXDLLEXPORT_DATA(extern wxChar*) wxBuffer; - -WXDLLEXPORT_DATA(extern HINSTANCE) wxhInstance; +WXDLLIMPEXP_DATA_BASE(extern HINSTANCE) wxhInstance; // --------------------------------------------------------------------------- // global functions