X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/978bb48f35a3fa38cebc1e733bec4c9f70ec10f5..7ddb15416407390de67cc26b04e91ea99a521f57:/include/wx/msw/private.h diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h index 98aee97db4..52c81a6d02 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". @@ -21,31 +21,20 @@ #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; +#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 // --------------------------------------------------------------------------- -// Conversion -static const double METRIC_CONVERSION_CONSTANT = 0.0393700787; - -// Scaling factors for various unit conversions -static const double mm2inches = (METRIC_CONVERSION_CONSTANT); -static const double inches2mm = (1/METRIC_CONVERSION_CONSTANT); - -static const double mm2twips = (METRIC_CONVERSION_CONSTANT*1440); -static const double twips2mm = (1/(METRIC_CONVERSION_CONSTANT*1440)); - -static const double mm2pt = (METRIC_CONVERSION_CONSTANT*72); -static const double pt2mm = (1/(METRIC_CONVERSION_CONSTANT*72)); - // 260 was taken from windef.h #ifndef MAX_PATH #define MAX_PATH 260 @@ -57,16 +46,29 @@ static const double pt2mm = (1/(METRIC_CONVERSION_CONSTANT*72)); #if wxUSE_GUI -WXDLLEXPORT_DATA(extern HICON) wxSTD_FRAME_ICON; -WXDLLEXPORT_DATA(extern HICON) wxSTD_MDIPARENTFRAME_ICON; -WXDLLEXPORT_DATA(extern HICON) wxSTD_MDICHILDFRAME_ICON; -WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_FRAME_ICON; -WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDIPARENTFRAME_ICON; -WXDLLEXPORT_DATA(extern HICON) wxDEFAULT_MDICHILDFRAME_ICON; -WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT; +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 // --------------------------------------------------------------------------- @@ -114,26 +116,6 @@ WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT; #endif #endif -#if wxUSE_PENWIN - WXDLLEXPORT void wxRegisterPenWin(); - WXDLLEXPORT void wxCleanUpPenWin(); - WXDLLEXPORT void wxEnablePenAppHooks (bool hook); -#endif // wxUSE_PENWIN - -#if wxUSE_ITSY_BITSY - #define IBS_HORZCAPTION 0x4000L - #define IBS_VERTCAPTION 0x8000L - - UINT WINAPI ibGetCaptionSize( HWND hWnd ) ; - UINT WINAPI ibSetCaptionSize( HWND hWnd, UINT nSize ) ; - LRESULT WINAPI ibDefWindowProc( HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam ) ; - VOID WINAPI ibAdjustWindowRect( HWND hWnd, LPRECT lprc ) ; -#endif // wxUSE_ITSY_BITSY - -#if wxUSE_CTL3D - #include "wx/msw/ctl3d/ctl3d.h" -#endif // wxUSE_CTL3D - /* * Decide what window classes we're going to use * for this combination of CTl3D/FAFA settings @@ -185,10 +167,76 @@ extern LONG APIENTRY _EXPORT #define wxZeroMemory(obj) memset((void*) & obj, 0, sizeof(obj)) #endif +// 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(__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__) \ + || defined(__BORLANDC__) \ + || defined(__DMC__) \ + || defined(__WATCOMC__) \ + || defined(__MINGW32__) + #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 +class AutoHANDLE +{ +public: + wxEXPLICIT AutoHANDLE(HANDLE handle) : m_handle(handle) { } + + bool IsOk() const { return m_handle != INVALID_HANDLE_VALUE; } + operator HANDLE() const { return m_handle; } + + ~AutoHANDLE() { if ( IsOk() ) ::CloseHandle(m_handle); } + +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); + } +}; + + +// 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 -#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) @@ -228,7 +276,7 @@ enum wxSTD_COLOUR wxSTD_COL_MAX }; -struct WXDLLEXPORT wxCOLORMAP +struct WXDLLIMPEXP_CORE wxCOLORMAP { COLORREF from, to; }; @@ -236,19 +284,35 @@ struct WXDLLEXPORT wxCOLORMAP // 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& r, wxRect& rect) +inline void wxCopyRECTToRect(const RECT& rc, wxRect& rect) { - rect.y = r.top; - rect.x = r.left; - rect.width = r.right - r.left; - rect.height = r.bottom - r.top; + 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 @@ -265,6 +329,22 @@ extern HICON wxBitmapToHICON(const wxBitmap& bmp); 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 // @@ -274,21 +354,32 @@ 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 @@ -299,7 +390,7 @@ inline RECT wxGetWindowRect(HWND hwnd) if ( !::GetWindowRect(hwnd, &rect) ) { - wxLogLastError(_T("GetWindowRect")); + wxLogLastError(wxT("GetWindowRect")); } return rect; @@ -311,7 +402,7 @@ inline RECT wxGetClientRect(HWND hwnd) if ( !::GetClientRect(hwnd, &rect) ) { - wxLogLastError(_T("GetClientRect")); + wxLogLastError(wxT("GetClientRect")); } return rect; @@ -321,22 +412,6 @@ 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 @@ -350,15 +425,16 @@ public: private: HDC m_hdc; - DECLARE_NO_COPY_CLASS(ScreenHDC) + 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() { ::ReleaseDC(m_hwnd, m_hdc); } + ~WindowHDC() { if ( m_hwnd && m_hdc ) { ::ReleaseDC(m_hwnd, m_hdc); } } operator HDC() const { return m_hdc; } @@ -366,7 +442,7 @@ private: HWND m_hwnd; HDC m_hdc; - DECLARE_NO_COPY_CLASS(WindowHDC) + wxDECLARE_NO_COPY_CLASS(WindowHDC); }; // the same as ScreenHDC but for memory DCs: creates the HDC compatible with @@ -382,87 +458,358 @@ public: private: HDC m_hdc; - DECLARE_NO_COPY_CLASS(MemoryHDC) + 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(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) - { m_hgdiobj = ::SelectObject(hdc, hgdiobj); } + SelectInHDC() : m_hdc(NULL), m_hgdiobj(NULL) { } + SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) { DoInit(hgdiobj); } - ~SelectInHDC() { ::SelectObject(m_hdc, m_hgdiobj); } + void Init(HDC hdc, HGDIOBJ hgdiobj) + { + wxASSERT_MSG( !m_hdc, wxT("initializing twice?") ); + + m_hdc = hdc; + + DoInit(hgdiobj); + } - // return true if the object was successfully selected - operator bool() const { return m_hgdiobj != 0; } + ~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; + 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); } - DECLARE_NO_COPY_CLASS(SelectInHDC) + operator HBITMAP() const { return (HBITMAP)GetObject(); } }; -// a class for temporary bitmaps -class CompatibleBitmap +class CompatibleBitmap : public AutoHBITMAP { public: CompatibleBitmap(HDC hdc, int w, int h) + : AutoHBITMAP(::CreateCompatibleBitmap(hdc, w, h)) { - m_hbmp = ::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 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 +// +// 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(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) +#endif // __WXWINCE__/!__WXWINCE__ + +// smart pointer using GlobalAlloc/GlobalFree() +class GlobalPtr +{ +public: + // default ctor, call Init() later + GlobalPtr() + { + m_hGlobal = NULL; } - ~CompatibleBitmap() + // allocates a block of given size + void Init(size_t size, unsigned flags = GMEM_MOVEABLE) { - if ( m_hbmp ) - ::DeleteObject(m_hbmp); + m_hGlobal = ::GlobalAlloc(flags, size); + if ( !m_hGlobal ) + { + wxLogLastError(wxT("GlobalAlloc")); + } } - operator HBITMAP() const { return m_hbmp; } + 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: - HBITMAP m_hbmp; + 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 GlobalPtr +class GlobalPtrLock { public: - GlobalPtr(HGLOBAL hGlobal) : m_hGlobal(hGlobal) + // 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(_T("GlobalLock")); + wxLogLastError(wxT("GlobalLock")); } } - ~GlobalPtr() + // initialize the object, HGLOBAL must not be NULL + GlobalPtrLock(HGLOBAL hGlobal) + { + Init(hGlobal); + } + + ~GlobalPtrLock() { - if ( !GlobalUnlock(m_hGlobal) ) + if ( m_hGlobal && !GlobalUnlock(m_hGlobal) ) { -#ifdef __WXDEBUG__ // this might happen simply because the block became unlocked DWORD dwLastError = ::GetLastError(); if ( dwLastError != NO_ERROR ) { - wxLogApiError(_T("GlobalUnlock"), dwLastError); + wxLogApiError(wxT("GlobalUnlock"), dwLastError); } -#endif // __WXDEBUG__ } } + void *Get() const { return m_ptr; } operator void *() const { return m_ptr; } private: HGLOBAL m_hGlobal; void *m_ptr; - DECLARE_NO_COPY_CLASS(GlobalPtr) + 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; }; // --------------------------------------------------------------------------- @@ -489,11 +836,11 @@ private: #define GetHaccel() ((HACCEL)GetHACCEL()) #define GetHaccelOf(table) ((HACCEL)((table).GetHACCEL())) -#define GetHbrush() ((HPEN)GetResourceHandle()) -#define GetHbrushOf(brush) ((HPEN)(brush).GetResourceHandle()) +#define GetHbrush() ((HBRUSH)GetResourceHandle()) +#define GetHbrushOf(brush) ((HBRUSH)(brush).GetResourceHandle()) #define GetHmenu() ((HMENU)GetHMenu()) -#define GetHmenuOf(menu) ((HMENU)menu->GetHMenu()) +#define GetHmenuOf(menu) ((HMENU)(menu)->GetHMenu()) #define GetHcursor() ((HCURSOR)GetHCURSOR()) #define GetHcursorOf(cursor) ((HCURSOR)(cursor).GetHCURSOR()) @@ -501,6 +848,9 @@ private: #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()) @@ -512,70 +862,109 @@ private: #endif // wxUSE_GUI -// --------------------------------------------------------------------------- -// global data -// --------------------------------------------------------------------------- - -WXDLLIMPEXP_DATA_BASE(extern HINSTANCE) wxhInstance; - // --------------------------------------------------------------------------- // global functions // --------------------------------------------------------------------------- -extern "C" -{ - WXDLLIMPEXP_BASE HINSTANCE wxGetInstance(); -} - -WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst); - -// return the full name of the program file -inline wxString wxGetFullModuleName() +// return the full path of the given module +inline wxString wxGetFullModuleName(HMODULE hmod) { wxString fullname; if ( !::GetModuleFileName ( - (HMODULE)wxGetInstance(), + hmod, wxStringBuffer(fullname, MAX_PATH), MAX_PATH ) ) { - wxLogLastError(_T("GetModuleFileName")); + wxLogLastError(wxT("GetModuleFileName")); } return fullname; } -#if wxUSE_GUI +// 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 +// +// 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 +}; + +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 -WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font); -WXDLLEXPORT void wxFillLogFont(LOGFONT *logFont, const wxFont *font); -WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont); -WXDLLEXPORT wxFontEncoding wxGetFontEncFromCharSet(int charset); +// 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); -WXDLLEXPORT void wxSliderEvent(WXHWND control, WXWORD wParam, WXWORD pos); -WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos); +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 -WXDLLEXPORT extern void wxFindMaxSize(WXHWND hwnd, RECT *rect); +extern WXDLLIMPEXP_CORE void wxFindMaxSize(WXHWND hwnd, RECT *rect); // Safely get the window text (i.e. without using fixed size buffer) -WXDLLEXPORT extern wxString wxGetWindowText(WXHWND hWnd); +extern WXDLLIMPEXP_CORE wxString wxGetWindowText(WXHWND hWnd); // get the window class name -WXDLLEXPORT extern wxString wxGetWindowClass(WXHWND hWnd); +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) -WXDLLEXPORT extern WXWORD wxGetWindowId(WXHWND hWnd); +extern WXDLLIMPEXP_CORE int wxGetWindowId(WXHWND hWnd); // check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are // different -WXDLLEXPORT extern bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc); +extern WXDLLIMPEXP_CORE bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc); // Does this window style specify any border? inline bool wxStyleHasBorder(long style) @@ -584,26 +973,49 @@ inline bool wxStyleHasBorder(long style) 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); +} + // ---------------------------------------------------------------------------- // functions mapping HWND to wxWindow // ---------------------------------------------------------------------------- -// this function simply checks whether the given hWnd corresponds to a wxWindow +// this function simply checks whether the given hwnd corresponds to a wxWindow // and returns either that window if it does or NULL otherwise -WXDLLEXPORT extern wxWindow* wxFindWinFromHandle(WXHWND hWnd); +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. -WXDLLEXPORT extern wxWindow *wxGetWindowFromHWND(WXHWND hwnd); +extern WXDLLIMPEXP_CORE wxWindow *wxGetWindowFromHWND(WXHWND hwnd); // Get the size of an icon -WXDLLEXPORT extern wxSize wxGetHiconSize(HICON hicon); +extern WXDLLIMPEXP_CORE wxSize wxGetHiconSize(HICON hicon); // Lines are drawn differently for WinCE and regular WIN32 -WXDLLEXPORT void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2); +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 @@ -633,41 +1045,30 @@ 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 +#endif // wxUSE_GUI && __WXMSW__ -#endif - // _WX_PRIVATE_H_ +#endif // _WX_PRIVATE_H_