///////////////////////////////////////////////////////////////////////////// // 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". // Author: Julian Smart // Modified by: // Created: 01/02/97 // Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_PRIVATE_H_ #define _WX_PRIVATE_H_ #include "wx/msw/wrapwin.h" #include "wx/log.h" #if wxUSE_GUI #include "wx/window.h" #endif // wxUSE_GUI class WXDLLIMPEXP_FWD_CORE wxFont; class WXDLLIMPEXP_FWD_CORE wxWindow; class WXDLLIMPEXP_FWD_CORE wxWindowBase; // --------------------------------------------------------------------------- // private constants // --------------------------------------------------------------------------- // 260 was taken from windef.h #ifndef MAX_PATH #define MAX_PATH 260 #endif // --------------------------------------------------------------------------- // standard icons from the resources // --------------------------------------------------------------------------- #if wxUSE_GUI extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_FRAME_ICON; extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_MDIPARENTFRAME_ICON; extern WXDLLIMPEXP_DATA_CORE(HICON) wxSTD_MDICHILDFRAME_ICON; extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_FRAME_ICON; extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_MDIPARENTFRAME_ICON; extern WXDLLIMPEXP_DATA_CORE(HICON) wxDEFAULT_MDICHILDFRAME_ICON; extern WXDLLIMPEXP_DATA_CORE(HFONT) wxSTATUS_LINE_FONT; #endif // wxUSE_GUI // --------------------------------------------------------------------------- // global data // --------------------------------------------------------------------------- extern WXDLLIMPEXP_DATA_BASE(HINSTANCE) wxhInstance; extern "C" { WXDLLIMPEXP_BASE HINSTANCE wxGetInstance(); } WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst); // --------------------------------------------------------------------------- // define things missing from some compilers' headers // --------------------------------------------------------------------------- // this defines a CASTWNDPROC macro which casts a pointer to the type of a // window proc #if defined(STRICT) || defined(__GNUC__) typedef WNDPROC WndProcCast; #else typedef FARPROC WndProcCast; #endif #define CASTWNDPROC (WndProcCast) // --------------------------------------------------------------------------- // some stuff for old Windows versions (FIXME: what does it do here??) // --------------------------------------------------------------------------- #if !defined(APIENTRY) // NT defines APIENTRY, 3.x not #define APIENTRY FAR PASCAL #endif /* * Decide what window classes we're going to use * for this combination of CTl3D/FAFA settings */ #define STATIC_CLASS wxT("STATIC") #define STATIC_FLAGS (SS_LEFT|WS_CHILD|WS_VISIBLE) #define CHECK_CLASS wxT("BUTTON") #define CHECK_FLAGS (BS_AUTOCHECKBOX|WS_TABSTOP|WS_CHILD) #define CHECK_IS_FAFA FALSE #define RADIO_CLASS wxT("BUTTON") #define RADIO_FLAGS (BS_AUTORADIOBUTTON|WS_CHILD|WS_VISIBLE) #define RADIO_SIZE 20 #define RADIO_IS_FAFA FALSE #define PURE_WINDOWS #define GROUP_CLASS wxT("BUTTON") #define GROUP_FLAGS (BS_GROUPBOX|WS_CHILD|WS_VISIBLE) /* #define BITCHECK_FLAGS (FB_BITMAP|FC_BUTTONDRAW|FC_DEFAULT|WS_VISIBLE) #define BITRADIO_FLAGS (FC_BUTTONDRAW|FB_BITMAP|FC_RADIO|WS_CHILD|WS_VISIBLE) */ // --------------------------------------------------------------------------- // misc macros // --------------------------------------------------------------------------- #define MEANING_CHARACTER '0' #define DEFAULT_ITEM_WIDTH 100 #define DEFAULT_ITEM_HEIGHT 80 // Scale font to get edit control height //#define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) (3*(cy)/2) #define EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) (cy+8) // Generic subclass proc, for panel item moving/sizing and intercept // EDIT control VK_RETURN messages extern LONG APIENTRY wxSubclassedGenericControlProc(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam); // --------------------------------------------------------------------------- // useful macros and functions // --------------------------------------------------------------------------- // a wrapper macro for ZeroMemory() #define wxZeroMemory(obj) ::ZeroMemory(&obj, sizeof(obj)) // This one is a macro so that it can be tested with #ifdef, it will be // undefined if it cannot be implemented for a given compiler. // Vc++, bcc, dmc, ow, mingw akk have _get_osfhandle() and Cygwin has // get_osfhandle. Others are currently unknown, e.g. Salford, Intel, Visual // Age. #if defined(__CYGWIN__) #define wxGetOSFHandle(fd) ((HANDLE)get_osfhandle(fd)) #elif defined(__VISUALC__) \ || defined(__BORLANDC__) \ || defined(__MINGW32__) #define wxGetOSFHandle(fd) ((HANDLE)_get_osfhandle(fd)) #define wxOpenOSFHandle(h, flags) (_open_osfhandle(wxPtrToUInt(h), flags)) wxDECL_FOR_STRICT_MINGW32(FILE*, _fdopen, (int, const char*)) #define wx_fdopen _fdopen #endif // close the handle in the class dtor template class AutoHANDLE { public: wxEXPLICIT AutoHANDLE(HANDLE handle = InvalidHandle()) : m_handle(handle) { } bool IsOk() const { return m_handle != InvalidHandle(); } operator HANDLE() const { return m_handle; } ~AutoHANDLE() { if ( IsOk() ) DoClose(); } void Close() { wxCHECK_RET(IsOk(), wxT("Handle must be valid")); DoClose(); m_handle = InvalidHandle(); } protected: // We need this helper function because integer INVALID_VALUE is not // implicitly convertible to HANDLE, which is a pointer. static HANDLE InvalidHandle() { return static_cast(INVALID_VALUE); } void DoClose() { if ( !::CloseHandle(m_handle) ) wxLogLastError(wxT("CloseHandle")); } WXHANDLE m_handle; }; // a template to make initializing Windows structs less painful: it zeros 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); } }; // Macros for converting wxString to the type expected by API functions. // // Normally it is enough to just use wxString::t_str() which is implicitly // convertible to LPCTSTR, but in some cases an explicit conversion is required. // // In such cases wxMSW_CONV_LPCTSTR() should be used. But if an API function // takes a non-const pointer, wxMSW_CONV_LPTSTR() which casts away the // constness (but doesn't make it possible to really modify the returned // pointer, of course) should be used. And if a string is passed as LPARAM, use // wxMSW_CONV_LPARAM() which does the required ugly reinterpret_cast<> too. #define wxMSW_CONV_LPCTSTR(s) static_cast((s).t_str()) #define wxMSW_CONV_LPTSTR(s) const_cast(wxMSW_CONV_LPCTSTR(s)) #define wxMSW_CONV_LPARAM(s) reinterpret_cast(wxMSW_CONV_LPCTSTR(s)) #if wxUSE_GUI #include "wx/gdicmn.h" #include "wx/colour.h" // make conversion from wxColour and COLORREF a bit less painful inline COLORREF wxColourToRGB(const wxColour& c) { return RGB(c.Red(), c.Green(), c.Blue()); } inline COLORREF wxColourToPalRGB(const wxColour& c) { return PALETTERGB(c.Red(), c.Green(), c.Blue()); } inline wxColour wxRGBToColour(COLORREF rgb) { return wxColour(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb)); } inline void wxRGBToColour(wxColour& c, COLORREF rgb) { c.Set(GetRValue(rgb), GetGValue(rgb), GetBValue(rgb)); } // get the standard colour map for some standard colours - see comment in this // function to understand why is it needed and when should it be used // // it returns a wxCOLORMAP (can't use COLORMAP itself here as comctl32.dll // might be not included/available) array of size wxSTD_COLOUR_MAX // // NB: if you change these colours, update wxBITMAP_STD_COLOURS in the // resources as well: it must have the same number of pixels! enum wxSTD_COLOUR { wxSTD_COL_BTNTEXT, wxSTD_COL_BTNSHADOW, wxSTD_COL_BTNFACE, wxSTD_COL_BTNHIGHLIGHT, wxSTD_COL_MAX }; struct WXDLLIMPEXP_CORE wxCOLORMAP { COLORREF from, to; }; // this function is implemented in src/msw/window.cpp extern wxCOLORMAP *wxGetStdColourMap(); // create a wxRect from Windows RECT inline wxRect wxRectFromRECT(const RECT& rc) { return wxRect(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top); } // copy Windows RECT to our wxRect inline void wxCopyRECTToRect(const RECT& rc, wxRect& rect) { rect = wxRectFromRECT(rc); } // and vice versa inline void wxCopyRectToRECT(const wxRect& rect, RECT& rc) { // note that we don't use wxRect::GetRight() as it is one of compared to // wxRectFromRECT() above rc.top = rect.y; rc.left = rect.x; rc.right = rect.x + rect.width; rc.bottom = rect.y + rect.height; } // translations between HIMETRIC units (which OLE likes) and pixels (which are // liked by all the others) - implemented in msw/utilsexc.cpp extern void HIMETRICToPixel(LONG *x, LONG *y); extern void HIMETRICToPixel(LONG *x, LONG *y, HDC hdcRef); extern void PixelToHIMETRIC(LONG *x, LONG *y); extern void PixelToHIMETRIC(LONG *x, LONG *y, HDC hdcRef); // Windows convention of the mask is opposed to the wxWidgets one, so we need // to invert the mask each time we pass one/get one to/from Windows extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0); // Creates an icon or cursor depending from a bitmap // // The bitmap must be valid and it should have a mask. If it doesn't, a default // mask is created using light grey as the transparent colour. extern HICON wxBitmapToHICON(const wxBitmap& bmp); // Same requirements as above apply and the bitmap must also have the correct // size. extern HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY); #if wxUSE_OWNER_DRAWN // Draw the bitmap in specified state (this is used by owner drawn controls) enum wxDSBStates { wxDSB_NORMAL = 0, wxDSB_SELECTED, wxDSB_DISABLED }; extern BOOL wxDrawStateBitmap(HDC hDC, HBITMAP hBitmap, int x, int y, UINT uState); #endif // wxUSE_OWNER_DRAWN // get (x, y) from DWORD - notice that HI/LOWORD can *not* be used because they // will fail on system with multiple monitors where the coords may be negative // // these macros are standard now (Win98) but some older headers don't have them #ifndef GET_X_LPARAM #define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp)) #define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp)) #endif // GET_X_LPARAM // get the current state of SHIFT/CTRL/ALT keys inline bool wxIsModifierDown(int vk) { // GetKeyState() returns different negative values on WinME and WinNT, // so simply test for negative value. return ::GetKeyState(vk) < 0; } inline bool wxIsShiftDown() { return wxIsModifierDown(VK_SHIFT); } inline bool wxIsCtrlDown() { 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 // for Win32 inline RECT wxGetWindowRect(HWND hwnd) { RECT rect; if ( !::GetWindowRect(hwnd, &rect) ) { wxLogLastError(wxT("GetWindowRect")); } return rect; } inline RECT wxGetClientRect(HWND hwnd) { RECT rect; if ( !::GetClientRect(hwnd, &rect) ) { wxLogLastError(wxT("GetClientRect")); } return rect; } // --------------------------------------------------------------------------- // small helper classes // --------------------------------------------------------------------------- // 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 { public: ScreenHDC() { m_hdc = ::GetDC(NULL); } ~ScreenHDC() { ::ReleaseDC(NULL, m_hdc); } operator HDC() const { return m_hdc; } private: HDC m_hdc; wxDECLARE_NO_COPY_CLASS(ScreenHDC); }; // the same as ScreenHDC but for window DCs class WindowHDC { public: WindowHDC() : m_hwnd(NULL), m_hdc(NULL) { } WindowHDC(HWND hwnd) { m_hdc = ::GetDC(m_hwnd = hwnd); } ~WindowHDC() { if ( m_hwnd && m_hdc ) { ::ReleaseDC(m_hwnd, m_hdc); } } operator HDC() const { return m_hdc; } private: HWND m_hwnd; HDC m_hdc; wxDECLARE_NO_COPY_CLASS(WindowHDC); }; // the same as ScreenHDC but for memory DCs: creates the HDC compatible with // the given one (screen by default) in ctor and destroys it in dtor class MemoryHDC { public: MemoryHDC(HDC hdc = 0) { m_hdc = ::CreateCompatibleDC(hdc); } ~MemoryHDC() { ::DeleteDC(m_hdc); } operator HDC() const { return m_hdc; } private: HDC m_hdc; wxDECLARE_NO_COPY_CLASS(MemoryHDC); }; // a class which selects a GDI object into a DC in its ctor and deselects in // dtor class SelectInHDC { private: void DoInit(HGDIOBJ hgdiobj) { m_hgdiobj = ::SelectObject(m_hdc, hgdiobj); } public: SelectInHDC() : m_hdc(NULL), m_hgdiobj(NULL) { } SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) { DoInit(hgdiobj); } void Init(HDC hdc, HGDIOBJ hgdiobj) { wxASSERT_MSG( !m_hdc, wxT("initializing twice?") ); m_hdc = hdc; DoInit(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; } private: HDC m_hdc; HGDIOBJ m_hgdiobj; wxDECLARE_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, wxT("initializing twice?") ); m_gdiobj = gdiobj; } HGDIOBJ GetObject() const { return m_gdiobj; } private: HGDIOBJ m_gdiobj; }; // TODO: all this asks for using a AutoHandler template... // a class for temporary brushes class AutoHBRUSH : private AutoGDIObject { public: AutoHBRUSH(COLORREF col) : AutoGDIObject(::CreateSolidBrush(col)) { } 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 { public: AutoHPEN(COLORREF col) : AutoGDIObject(::CreatePen(PS_SOLID, 0, col)) { } operator HPEN() const { return (HPEN)GetObject(); } }; // classes for temporary bitmaps class AutoHBITMAP : private AutoGDIObject { public: AutoHBITMAP() : AutoGDIObject() { } AutoHBITMAP(HBITMAP hbmp) : AutoGDIObject(hbmp) { } void Init(HBITMAP hbmp) { InitGdiobj(hbmp); } operator HBITMAP() const { return (HBITMAP)GetObject(); } }; class CompatibleBitmap : public AutoHBITMAP { public: CompatibleBitmap(HDC hdc, int w, int h) : AutoHBITMAP(::CreateCompatibleBitmap(hdc, w, h)) { } }; class MonoBitmap : public AutoHBITMAP { public: MonoBitmap(int w, int h) : AutoHBITMAP(::CreateBitmap(w, h, 1, 1, 0)) { } }; // class automatically destroys the region object class AutoHRGN : private AutoGDIObject { public: AutoHRGN(HRGN hrgn) : AutoGDIObject(hrgn) { } operator HRGN() const { return (HRGN)GetObject(); } }; // Class automatically freeing ICONINFO struct fields after retrieving it using // GetIconInfo(). class AutoIconInfo : public ICONINFO { public: AutoIconInfo() { wxZeroMemory(*this); } bool GetFrom(HICON hIcon) { if ( !::GetIconInfo(hIcon, this) ) { wxLogLastError(wxT("GetIconInfo")); return false; } return true; } ~AutoIconInfo() { if ( hbmColor ) ::DeleteObject(hbmColor); if ( hbmMask ) ::DeleteObject(hbmMask); } }; // class sets the specified clipping region during its life time class HDCClipper { public: HDCClipper(HDC hdc, HRGN hrgn) : m_hdc(hdc) { if ( !::SelectClipRgn(hdc, hrgn) ) { wxLogLastError(wxT("SelectClipRgn")); } } ~HDCClipper() { ::SelectClipRgn(m_hdc, NULL); } private: HDC m_hdc; wxDECLARE_NO_COPY_CLASS(HDCClipper); }; // set the given map mode for the life time of this object class HDCMapModeChanger { public: HDCMapModeChanger(HDC hdc, int mm) : m_hdc(hdc) { m_modeOld = ::SetMapMode(hdc, mm); if ( !m_modeOld ) { wxLogLastError(wxT("SelectClipRgn")); } } ~HDCMapModeChanger() { if ( m_modeOld ) ::SetMapMode(m_hdc, m_modeOld); } private: HDC m_hdc; int m_modeOld; wxDECLARE_NO_COPY_CLASS(HDCMapModeChanger); }; #define wxCHANGE_HDC_MAP_MODE(hdc, mm) \ HDCMapModeChanger wxMAKE_UNIQUE_NAME(wxHDCMapModeChanger)(hdc, mm) // smart pointer using GlobalAlloc/GlobalFree() class GlobalPtr { public: // default ctor, call Init() later GlobalPtr() { m_hGlobal = NULL; } // allocates a block of given size void Init(size_t size, unsigned flags = GMEM_MOVEABLE) { m_hGlobal = ::GlobalAlloc(flags, size); if ( !m_hGlobal ) { wxLogLastError(wxT("GlobalAlloc")); } } GlobalPtr(size_t size, unsigned flags = GMEM_MOVEABLE) { Init(size, flags); } ~GlobalPtr() { if ( m_hGlobal && ::GlobalFree(m_hGlobal) ) { wxLogLastError(wxT("GlobalFree")); } } // implicit conversion operator HGLOBAL() const { return m_hGlobal; } private: HGLOBAL m_hGlobal; wxDECLARE_NO_COPY_CLASS(GlobalPtr); }; // 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 GlobalPtrLock { public: // default ctor, use Init() later -- should only be used if the HGLOBAL can // be NULL (in which case Init() shouldn't be called) GlobalPtrLock() { m_hGlobal = NULL; m_ptr = NULL; } // initialize the object, may be only called if we were created using the // default ctor; HGLOBAL must not be NULL void Init(HGLOBAL hGlobal) { m_hGlobal = hGlobal; // NB: GlobalLock() is a macro, not a function, hence don't use the // global scope operator with it (and neither with GlobalUnlock()) m_ptr = GlobalLock(hGlobal); if ( !m_ptr ) { wxLogLastError(wxT("GlobalLock")); } } // initialize the object, HGLOBAL must not be NULL GlobalPtrLock(HGLOBAL hGlobal) { Init(hGlobal); } ~GlobalPtrLock() { if ( m_hGlobal && !GlobalUnlock(m_hGlobal) ) { // this might happen simply because the block became unlocked DWORD dwLastError = ::GetLastError(); if ( dwLastError != NO_ERROR ) { wxLogApiError(wxT("GlobalUnlock"), dwLastError); } } } void *Get() const { return m_ptr; } operator void *() const { return m_ptr; } private: HGLOBAL m_hGlobal; void *m_ptr; wxDECLARE_NO_COPY_CLASS(GlobalPtrLock); }; // register the class when it is first needed and unregister it in dtor class ClassRegistrar { public: // ctor doesn't register the class, call Initialize() for this ClassRegistrar() { m_registered = -1; } // return true if the class is already registered bool IsInitialized() const { return m_registered != -1; } // return true if the class had been already registered bool IsRegistered() const { return m_registered == 1; } // try to register the class if not done yet, return true on success bool Register(const WNDCLASS& wc) { // we should only be called if we hadn't been initialized yet wxASSERT_MSG( m_registered == -1, wxT("calling ClassRegistrar::Register() twice?") ); m_registered = ::RegisterClass(&wc) ? 1 : 0; if ( !IsRegistered() ) { wxLogLastError(wxT("RegisterClassEx()")); } else { m_clsname = wc.lpszClassName; } return m_registered == 1; } // get the name of the registered class (returns empty string if not // registered) const wxString& GetName() const { return m_clsname; } // unregister the class if it had been registered ~ClassRegistrar() { if ( IsRegistered() ) { if ( !::UnregisterClass(m_clsname.t_str(), wxGetInstance()) ) { wxLogLastError(wxT("UnregisterClass")); } } } private: // initial value is -1 which means that we hadn't tried registering the // class yet, it becomes true or false (1 or 0) when Initialize() is called int m_registered; // the name of the class, only non empty if it had been registered wxString m_clsname; }; // --------------------------------------------------------------------------- // macros to make casting between WXFOO and FOO a bit easier: the GetFoo() // returns Foo cast to the Windows type for ourselves, while GetFooOf() takes // an argument which should be a pointer or reference to the object of the // corresponding class (this depends on the macro) // --------------------------------------------------------------------------- #define GetHwnd() ((HWND)GetHWND()) #define GetHwndOf(win) ((HWND)((win)->GetHWND())) // old name #define GetWinHwnd GetHwndOf #define GetHdc() ((HDC)GetHDC()) #define GetHdcOf(dc) ((HDC)(dc).GetHDC()) #define GetHbitmap() ((HBITMAP)GetHBITMAP()) #define GetHbitmapOf(bmp) ((HBITMAP)(bmp).GetHBITMAP()) #define GetHicon() ((HICON)GetHICON()) #define GetHiconOf(icon) ((HICON)(icon).GetHICON()) #define GetHaccel() ((HACCEL)GetHACCEL()) #define GetHaccelOf(table) ((HACCEL)((table).GetHACCEL())) #define GetHbrush() ((HBRUSH)GetResourceHandle()) #define GetHbrushOf(brush) ((HBRUSH)(brush).GetResourceHandle()) #define GetHmenu() ((HMENU)GetHMenu()) #define GetHmenuOf(menu) ((HMENU)(menu)->GetHMenu()) #define GetHcursor() ((HCURSOR)GetHCURSOR()) #define GetHcursorOf(cursor) ((HCURSOR)(cursor).GetHCURSOR()) #define GetHfont() ((HFONT)GetHFONT()) #define GetHfontOf(font) ((HFONT)(font).GetHFONT()) #define GetHimagelist() ((HIMAGELIST)GetHIMAGELIST()) #define GetHimagelistOf(imgl) ((HIMAGELIST)(imgl)->GetHIMAGELIST()) #define GetHpalette() ((HPALETTE)GetHPALETTE()) #define GetHpaletteOf(pal) ((HPALETTE)(pal).GetHPALETTE()) #define GetHpen() ((HPEN)GetResourceHandle()) #define GetHpenOf(pen) ((HPEN)(pen).GetResourceHandle()) #define GetHrgn() ((HRGN)GetHRGN()) #define GetHrgnOf(rgn) ((HRGN)(rgn).GetHRGN()) #endif // wxUSE_GUI // --------------------------------------------------------------------------- // global functions // --------------------------------------------------------------------------- // return the full path of the given module inline wxString wxGetFullModuleName(HMODULE hmod) { wxString fullname; if ( !::GetModuleFileName ( hmod, wxStringBuffer(fullname, MAX_PATH), MAX_PATH ) ) { wxLogLastError(wxT("GetModuleFileName")); } return fullname; } // return the full path of the program file inline wxString wxGetFullModuleName() { return wxGetFullModuleName((HMODULE)wxGetInstance()); } // return the run-time version of the OS in a format similar to // WINVER/_WIN32_WINNT compile-time macros: // // 0x0300 Windows NT 3.51 // 0x0400 Windows 95, NT4 // 0x0410 Windows 98 // 0x0500 Windows ME, 2000 // 0x0501 Windows XP, 2003 // 0x0502 Windows XP SP2, 2003 SP1 // 0x0600 Windows Vista, 2008 // 0x0601 Windows 7 // 0x0602 Windows 8 (currently also returned for 8.1 if program does not have a manifest indicating 8.1 support) // 0x0603 Windows 8.1 (currently only returned for 8.1 if program has a manifest indicating 8.1 support) // 0x1000 Windows 10 (currently only returned for 10 if program has a manifest indicating 10 support) // // for the other Windows versions 0 is currently returned enum wxWinVersion { wxWinVersion_Unknown = 0, wxWinVersion_3 = 0x0300, wxWinVersion_NT3 = wxWinVersion_3, wxWinVersion_4 = 0x0400, wxWinVersion_95 = wxWinVersion_4, wxWinVersion_NT4 = wxWinVersion_4, wxWinVersion_98 = 0x0410, wxWinVersion_5 = 0x0500, wxWinVersion_ME = wxWinVersion_5, wxWinVersion_NT5 = wxWinVersion_5, wxWinVersion_2000 = wxWinVersion_5, wxWinVersion_XP = 0x0501, wxWinVersion_2003 = 0x0501, wxWinVersion_XP_SP2 = 0x0502, wxWinVersion_2003_SP1 = 0x0502, wxWinVersion_6 = 0x0600, wxWinVersion_Vista = wxWinVersion_6, wxWinVersion_NT6 = wxWinVersion_6, wxWinVersion_7 = 0x601, wxWinVersion_8 = 0x602, wxWinVersion_8_1 = 0x603, wxWinVersion_10 = 0x1000 }; WXDLLIMPEXP_BASE wxWinVersion wxGetWinVersion(); #if wxUSE_GUI && defined(__WXMSW__) // cursor stuff extern HCURSOR wxGetCurrentBusyCursor(); // from msw/utils.cpp extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp // GetCursorPos can fail without populating the POINT. This falls back to GetMessagePos. WXDLLIMPEXP_CORE void wxGetCursorPosMSW(POINT* pt); WXDLLIMPEXP_CORE void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font); WXDLLIMPEXP_CORE void wxFillLogFont(LOGFONT *logFont, const wxFont *font); WXDLLIMPEXP_CORE wxFont wxCreateFontFromLogFont(const LOGFONT *logFont); WXDLLIMPEXP_CORE wxFontEncoding wxGetFontEncFromCharSet(int charset); WXDLLIMPEXP_CORE void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos); WXDLLIMPEXP_CORE void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos); // Find maximum size of window/rectangle extern WXDLLIMPEXP_CORE void wxFindMaxSize(WXHWND hwnd, RECT *rect); // Safely get the window text (i.e. without using fixed size buffer) extern WXDLLIMPEXP_CORE wxString wxGetWindowText(WXHWND hWnd); // get the window class name extern WXDLLIMPEXP_CORE wxString wxGetWindowClass(WXHWND hWnd); // get the window id (should be unsigned, hence this is not wxWindowID which // is, for mainly historical reasons, signed) extern WXDLLIMPEXP_CORE int wxGetWindowId(WXHWND hWnd); // check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are // different extern WXDLLIMPEXP_CORE bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc); // Does this window style specify any border? inline bool wxStyleHasBorder(long style) { return (style & (wxSIMPLE_BORDER | wxRAISED_BORDER | wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0; } inline long wxGetWindowExStyle(const wxWindowMSW *win) { return ::GetWindowLong(GetHwndOf(win), GWL_EXSTYLE); } inline bool wxHasWindowExStyle(const wxWindowMSW *win, long style) { return (wxGetWindowExStyle(win) & style) != 0; } inline long wxSetWindowExStyle(const wxWindowMSW *win, long style) { return ::SetWindowLong(GetHwndOf(win), GWL_EXSTYLE, style); } // Common helper of wxUpdate{,Edit}LayoutDirection() below: sets or clears the // given flag(s) depending on wxLayoutDirection and returns true if the flags // really changed. inline bool wxUpdateExStyleForLayoutDirection(WXHWND hWnd, wxLayoutDirection dir, LONG_PTR flagsForRTL) { wxCHECK_MSG( hWnd, false, wxS("Can't set layout direction for invalid window") ); const LONG_PTR styleOld = ::GetWindowLongPtr(hWnd, GWL_EXSTYLE); LONG_PTR styleNew = styleOld; switch ( dir ) { case wxLayout_LeftToRight: styleNew &= ~flagsForRTL; break; case wxLayout_RightToLeft: styleNew |= flagsForRTL; break; case wxLayout_Default: wxFAIL_MSG(wxS("Invalid layout direction")); } if ( styleNew == styleOld ) return false; ::SetWindowLongPtr(hWnd, GWL_EXSTYLE, styleNew); return true; } // Update layout direction flag for a generic window. // // See below for the special version that must be used with EDIT controls. // // Returns true if the layout direction did change. inline bool wxUpdateLayoutDirection(WXHWND hWnd, wxLayoutDirection dir) { return wxUpdateExStyleForLayoutDirection(hWnd, dir, WS_EX_LAYOUTRTL); } // Update layout direction flag for an EDIT control. // // Returns true if anything changed or false if the direction flag was already // set to the desired direction (which can't be wxLayout_Default). inline bool wxUpdateEditLayoutDirection(WXHWND hWnd, wxLayoutDirection dir) { return wxUpdateExStyleForLayoutDirection(hWnd, dir, WS_EX_RIGHT | WS_EX_RTLREADING | WS_EX_LEFTSCROLLBAR); } // Companion of the above function checking if an EDIT control uses RTL. inline wxLayoutDirection wxGetEditLayoutDirection(WXHWND hWnd) { wxCHECK_MSG( hWnd, wxLayout_Default, wxS("invalid window") ); // While we set 3 style bits above, we're only really interested in one of // them here. In particularly, don't check for WS_EX_RIGHT as it can be set // for a right-aligned control even if it doesn't use RTL. And while we // could test WS_EX_LEFTSCROLLBAR, this doesn't really seem useful. const LONG_PTR style = ::GetWindowLongPtr(hWnd, GWL_EXSTYLE); return style & WS_EX_RTLREADING ? wxLayout_RightToLeft : wxLayout_LeftToRight; } // ---------------------------------------------------------------------------- // functions mapping HWND to wxWindow // ---------------------------------------------------------------------------- // this function simply checks whether the given hwnd corresponds to a wxWindow // and returns either that window if it does or NULL otherwise extern WXDLLIMPEXP_CORE wxWindow* wxFindWinFromHandle(HWND hwnd); // find the window for HWND which is part of some wxWindow, i.e. unlike // wxFindWinFromHandle() above it will also work for "sub controls" of a // wxWindow. // // returns the wxWindow corresponding to the given HWND or NULL. extern WXDLLIMPEXP_CORE wxWindow *wxGetWindowFromHWND(WXHWND hwnd); // Get the size of an icon extern WXDLLIMPEXP_CORE wxSize wxGetHiconSize(HICON hicon); // Lines are drawn differently for WinCE and regular WIN32 WXDLLIMPEXP_CORE void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2); // fill the client rect of the given window on the provided dc using this brush inline void wxFillRect(HWND hwnd, HDC hdc, HBRUSH hbr) { RECT rc; ::GetClientRect(hwnd, &rc); ::FillRect(hdc, &rc, hbr); } // ---------------------------------------------------------------------------- // 32/64 bit helpers // ---------------------------------------------------------------------------- #ifdef __WIN64__ inline void *wxGetWindowProc(HWND hwnd) { return (void *)::GetWindowLongPtr(hwnd, GWLP_WNDPROC); } inline void *wxGetWindowUserData(HWND hwnd) { return (void *)::GetWindowLongPtr(hwnd, GWLP_USERDATA); } inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func) { return (WNDPROC)::SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)func); } inline void *wxSetWindowUserData(HWND hwnd, void *data) { return (void *)::SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)data); } #else // __WIN32__ // 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 (WNDPROC)(LONG_PTR)::GetWindowLong(hwnd, GWL_WNDPROC); } inline void *wxGetWindowUserData(HWND hwnd) { return (void *)(LONG_PTR)::GetWindowLong(hwnd, GWL_USERDATA); } inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func) { return (WNDPROC)(LONG_PTR)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG_PTR)func); } inline void *wxSetWindowUserData(HWND hwnd, void *data) { return (void *)(LONG_PTR)::SetWindowLong(hwnd, GWL_USERDATA, (LONG_PTR)data); } #endif // __WIN64__/__WIN32__ #endif // wxUSE_GUI && __WXMSW__ #endif // _WX_PRIVATE_H_