X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/85fa5d02d8a98d59bf1c302bc26212f3f84d1d81..d5cbee178f213c1bae361abca0113646bf323584:/include/wx/msw/private.h diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h index 72ef5888c9..da4b7e83ca 100644 --- a/include/wx/msw/private.h +++ b/include/wx/msw/private.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: private.h +// Name: wx/msw/private.h // Purpose: Private declarations: as this header is only included by // wxWidgets itself, it may contain identifiers which don't start // with "wx". @@ -21,14 +21,11 @@ #include "wx/msw/microwin.h" #endif -// Include fixes for MSLU: -#include "wx/msw/mslu.h" - #include "wx/log.h" -class WXDLLEXPORT wxFont; -class WXDLLEXPORT wxWindow; -class WXDLLEXPORT wxWindowBase; +class WXDLLIMPEXP_FWD_CORE wxFont; +class WXDLLIMPEXP_FWD_CORE wxWindow; +class WXDLLIMPEXP_FWD_CORE wxWindowBase; // --------------------------------------------------------------------------- // private constants @@ -166,6 +163,7 @@ extern LONG APIENTRY _EXPORT // Intel, Visual Age. #if defined(__WXWINCE__) #define wxGetOSFHandle(fd) ((HANDLE)fd) + #define wxOpenOSFHandle(h, flags) ((int)wxPtrToUInt(h)) #elif defined(__CYGWIN__) #define wxGetOSFHandle(fd) ((HANDLE)get_osfhandle(fd)) #elif defined(__VISUALC__) \ @@ -175,6 +173,8 @@ extern LONG APIENTRY _EXPORT || defined(__MINGW32__) \ || (defined(__MWERKS__) && defined(__MSL__)) #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd)) + #define wxOpenOSFHandle(h, flags) (_open_osfhandle(wxPtrToUInt(h), flags)) + #define wx_fdopen _fdopen #endif // close the handle in the class dtor @@ -192,10 +192,26 @@ protected: HANDLE m_handle; }; +// 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)); + + // explicit qualification is required here for this to be valid C++ + this->cbSize = sizeof(T); + } +}; + + #if wxUSE_GUI -#include -#include +#include "wx/gdicmn.h" +#include "wx/colour.h" // make conversion from wxColour and COLORREF a bit less painful inline COLORREF wxColourToRGB(const wxColour& c) @@ -295,21 +311,32 @@ HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY); #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp)) #endif // GET_X_LPARAM -// get the current state of SHIFT/CTRL keys -inline bool wxIsShiftDown() +// get the current state of SHIFT/CTRL/ALT keys +inline bool wxIsModifierDown(int vk) { -// return (::GetKeyState(VK_SHIFT) & 0x100) != 0; - // Returns different negative values on WinME and WinNT, + // GetKeyState() returns different negative values on WinME and WinNT, // so simply test for negative value. - return ::GetKeyState(VK_SHIFT) < 0; + return ::GetKeyState(vk) < 0; +} + +inline bool wxIsShiftDown() +{ + return wxIsModifierDown(VK_SHIFT); } inline bool wxIsCtrlDown() { -// 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; + return wxIsModifierDown(VK_CONTROL); +} + +inline bool wxIsAltDown() +{ + return wxIsModifierDown(VK_MENU); +} + +inline bool wxIsAnyModifierDown() +{ + return wxIsShiftDown() || wxIsCtrlDown() || wxIsAltDown(); } // wrapper around GetWindowRect() and GetClientRect() APIs doing error checking @@ -319,9 +346,7 @@ inline RECT wxGetWindowRect(HWND hwnd) RECT rect; if ( !::GetWindowRect(hwnd, &rect) ) - { wxLogLastError(_T("GetWindowRect")); - } return rect; } @@ -331,9 +356,7 @@ inline RECT wxGetClientRect(HWND hwnd) RECT rect; if ( !::GetClientRect(hwnd, &rect) ) - { wxLogLastError(_T("GetClientRect")); - } return rect; } @@ -342,22 +365,6 @@ 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)); - - // explicit qualification is required here for this to be valid C++ - this->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 @@ -410,29 +417,49 @@ private: // dtor class SelectInHDC { +private: + void DoInit(HGDIOBJ hgdiobj) { m_hgdiobj = ::SelectObject(m_hdc, hgdiobj); } + public: - SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) - { m_hgdiobj = ::SelectObject(hdc, hgdiobj); } + SelectInHDC() : m_hdc(NULL) { } + SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) { DoInit(hgdiobj); } + + void Init(HDC hdc, HGDIOBJ hgdiobj) + { + wxASSERT_MSG( !m_hdc, _T("initializing twice?") ); + + m_hdc = hdc; + + DoInit(hgdiobj); + } - ~SelectInHDC() { ::SelectObject(m_hdc, m_hgdiobj); } + ~SelectInHDC() { if ( m_hdc ) ::SelectObject(m_hdc, m_hgdiobj); } - // return true if the object was successfully selected - operator bool() const { return m_hgdiobj != 0; } + // return true if the object was successfully selected + operator bool() const { return m_hgdiobj != 0; } private: - HDC m_hdc; - HGDIOBJ m_hgdiobj; + HDC m_hdc; + HGDIOBJ m_hgdiobj; - DECLARE_NO_COPY_CLASS(SelectInHDC) + DECLARE_NO_COPY_CLASS(SelectInHDC) }; // a class which cleans up any GDI object class AutoGDIObject { protected: + AutoGDIObject() { m_gdiobj = NULL; } AutoGDIObject(HGDIOBJ gdiobj) : m_gdiobj(gdiobj) { } ~AutoGDIObject() { if ( m_gdiobj ) ::DeleteObject(m_gdiobj); } + void InitGdiobj(HGDIOBJ gdiobj) + { + wxASSERT_MSG( !m_gdiobj, _T("initializing twice?") ); + + m_gdiobj = gdiobj; + } + HGDIOBJ GetObject() const { return m_gdiobj; } private: @@ -441,7 +468,7 @@ private: // TODO: all this asks for using a AutoHandler template... -// a class for temporary pens +// a class for temporary brushes class AutoHBRUSH : private AutoGDIObject { public: @@ -451,6 +478,22 @@ public: operator HBRUSH() const { return (HBRUSH)GetObject(); } }; +// a class for temporary fonts +class AutoHFONT : private AutoGDIObject +{ +private: +public: + AutoHFONT() + : AutoGDIObject() { } + + AutoHFONT(const LOGFONT& lf) + : AutoGDIObject(::CreateFontIndirect(&lf)) { } + + void Init(const LOGFONT& lf) { InitGdiobj(::CreateFontIndirect(&lf)); } + + operator HFONT() const { return (HFONT)GetObject(); } +}; + // a class for temporary pens class AutoHPEN : private AutoGDIObject { @@ -519,6 +562,41 @@ private: DECLARE_NO_COPY_CLASS(HDCClipper) }; +// set the given map mode for the life time of this object +// +// NB: SetMapMode() is not supported by CE so we also define a helper macro +// to avoid using it there +#ifdef __WXWINCE__ + #define wxCHANGE_HDC_MAP_MODE(hdc, mm) +#else // !__WXWINCE__ + class HDCMapModeChanger + { + public: + HDCMapModeChanger(HDC hdc, int mm) + : m_hdc(hdc) + { + m_modeOld = ::SetMapMode(hdc, mm); + if ( !m_modeOld ) + wxLogLastError(_T("SelectClipRgn")); + } + + ~HDCMapModeChanger() + { + if ( m_modeOld ) + ::SetMapMode(m_hdc, m_modeOld); + } + + private: + HDC m_hdc; + int m_modeOld; + + DECLARE_NO_COPY_CLASS(HDCMapModeChanger) + }; + + #define wxCHANGE_HDC_MAP_MODE(hdc, mm) \ + HDCMapModeChanger wxMAKE_UNIQUE_NAME(wxHDCMapModeChanger)(hdc, mm) +#endif // __WXWINCE__/!__WXWINCE__ + // smart buffeer using GlobalAlloc/GlobalFree() class GlobalPtr { @@ -556,9 +634,7 @@ public: { m_ptr = GlobalLock(hGlobal); if ( !m_ptr ) - { wxLogLastError(_T("GlobalLock")); - } } ~GlobalPtrLock() @@ -627,7 +703,7 @@ public: { if ( IsRegistered() ) { - if ( !::UnregisterClass(m_clsname, wxhInstance) ) + if ( !::UnregisterClass(m_clsname.wx_str(), wxhInstance) ) { wxLogLastError(_T("UnregisterClass")); } @@ -759,7 +835,8 @@ enum wxWinVersion wxWinVersion_2003 = 0x0502, wxWinVersion_6 = 0x0600, - wxWinVersion_NT6 = 0x0600 + wxWinVersion_Vista = wxWinVersion_6, + wxWinVersion_NT6 = wxWinVersion_6 }; WXDLLIMPEXP_BASE wxWinVersion wxGetWinVersion(); @@ -859,38 +936,28 @@ inline void *wxSetWindowUserData(HWND hwnd, void *data) #else // __WIN32__ -#ifdef __VISUALC__ - // strangely enough, VC++ 7.1 gives warnings about 32 -> 64 bit conversions - // in the functions below, even in spite of the explicit casts - #pragma warning(disable:4311) - #pragma warning(disable:4312) -#endif - -inline void *wxGetWindowProc(HWND hwnd) +// note that the casts to LONG_PTR here are required even on 32-bit machines +// for the 64-bit warning mode of later versions of MSVC (C4311/4312) +inline WNDPROC wxGetWindowProc(HWND hwnd) { - return (void *)::GetWindowLong(hwnd, GWL_WNDPROC); + return (WNDPROC)(LONG_PTR)::GetWindowLong(hwnd, GWL_WNDPROC); } inline void *wxGetWindowUserData(HWND hwnd) { - return (void *)::GetWindowLong(hwnd, GWL_USERDATA); + return (void *)(LONG_PTR)::GetWindowLong(hwnd, GWL_USERDATA); } inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func) { - return (WNDPROC)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG)func); + return (WNDPROC)(LONG_PTR)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR)func); } inline void *wxSetWindowUserData(HWND hwnd, void *data) { - return (void *)::SetWindowLong(hwnd, GWL_USERDATA, (LONG)data); + return (void *)(LONG_PTR)::SetWindowLong(hwnd, GWL_USERDATA, (LONG_PTR)data); } -#ifdef __VISUALC__ - #pragma warning(default:4311) - #pragma warning(default:4312) -#endif - #endif // __WIN64__/__WIN32__ #endif // wxUSE_GUI