X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3d5231db07a04de50075f18fd605d3d87234a33b..1550d5f80d130fea1c05302e890095b7ad27e085:/include/wx/msw/private.h diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h index 5fe1bbfbef..c7aebfc709 100644 --- a/include/wx/msw/private.h +++ b/include/wx/msw/private.h @@ -1,7 +1,7 @@ ///////////////////////////////////////////////////////////////////////////// // Name: private.h // Purpose: Private declarations: as this header is only included by -// wxWindows itself, it may contain identifiers which don't start +// wxWidgets itself, it may contain identifiers which don't start // with "wx". // Author: Julian Smart // Modified by: @@ -14,20 +14,13 @@ #ifndef _WX_PRIVATE_H_ #define _WX_PRIVATE_H_ -#ifndef STRICT - #define STRICT 1 -#endif - -#include +#include "wx/msw/wrapwin.h" #ifdef __WXMICROWIN__ // Extra prototypes and symbols not defined by MicroWindows #include "wx/msw/microwin.h" #endif -// undefine conflicting symbols which were defined in windows.h -#include "wx/msw/winundef.h" - // Include fixes for MSLU: #include "wx/msw/mslu.h" @@ -73,7 +66,7 @@ WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT; // define things missing from some compilers' headers // --------------------------------------------------------------------------- -#if defined(__GNUWIN32__) && !wxUSE_NORLANDER_HEADERS +#if defined(__WXWINCE__) || (defined(__GNUWIN32__) && !wxUSE_NORLANDER_HEADERS) #ifndef ZeroMemory inline void ZeroMemory(void *buf, size_t len) { memset(buf, 0, len); } #endif @@ -87,8 +80,11 @@ WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT; typedef FARPROC WndProcCast; #endif + #define CASTWNDPROC (WndProcCast) + + // --------------------------------------------------------------------------- // some stuff for old Windows versions (FIXME: what does it do here??) // --------------------------------------------------------------------------- @@ -173,22 +169,6 @@ 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 // --------------------------------------------------------------------------- @@ -203,9 +183,15 @@ extern LONG APIENTRY _EXPORT #if wxUSE_GUI #include +#include // 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()); } @@ -259,10 +245,21 @@ inline void wxCopyRECTToRect(const RECT& r, wxRect& rect) extern void HIMETRICToPixel(LONG *x, LONG *y); extern void PixelToHIMETRIC(LONG *x, LONG *y); -// Windows convention of the mask is opposed to the wxWindows one, so we need +// 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 requirments as above apply and the bitmap must also have the correct +// size. +extern +HCURSOR wxBitmapToHCURSOR(const wxBitmap& bmp, int hotSpotX, int hotSpotY); + // 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 // @@ -275,12 +272,18 @@ extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0); // 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 @@ -288,14 +291,11 @@ inline bool wxIsCtrlDown() inline RECT wxGetWindowRect(HWND hwnd) { RECT rect; -#ifdef __WIN16__ - ::GetWindowRect(hwnd, &rect); -#else // Win32 + if ( !::GetWindowRect(hwnd, &rect) ) { wxLogLastError(_T("GetWindowRect")); } -#endif // Win16/32 return rect; } @@ -303,14 +303,11 @@ inline RECT wxGetWindowRect(HWND hwnd) inline RECT wxGetClientRect(HWND hwnd) { RECT rect; -#ifdef __WIN16__ - ::GetClientRect(hwnd, &rect); -#else // Win32 + if ( !::GetClientRect(hwnd, &rect) ) { wxLogLastError(_T("GetClientRect")); } -#endif // Win16/32 return rect; } @@ -319,6 +316,22 @@ 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 @@ -331,20 +344,40 @@ public: private: HDC m_hdc; + + DECLARE_NO_COPY_CLASS(ScreenHDC) }; -// the same as ScreenHDC but for memory DCs: creates the HDC in ctor and -// destroys it in dtor +// the same as ScreenHDC but for window DCs +class WindowHDC +{ +public: + WindowHDC(HWND hwnd) { m_hdc = ::GetDC(m_hwnd = hwnd); } + ~WindowHDC() { ::ReleaseDC(m_hwnd, m_hdc); } + + operator HDC() const { return m_hdc; } + +private: + HWND m_hwnd; + HDC m_hdc; + + DECLARE_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() { m_hdc = ::CreateCompatibleDC(NULL); } - ~MemoryHDC() { ::DeleteObject(m_hdc); } + MemoryHDC(HDC hdc = 0) { m_hdc = ::CreateCompatibleDC(hdc); } + ~MemoryHDC() { ::DeleteDC(m_hdc); } operator HDC() const { return m_hdc; } private: HDC m_hdc; + + DECLARE_NO_COPY_CLASS(MemoryHDC) }; // a class which selects a GDI object into a DC in its ctor and deselects in @@ -363,6 +396,47 @@ public: private: HDC m_hdc; HGDIOBJ m_hgdiobj; + + DECLARE_NO_COPY_CLASS(SelectInHDC) +}; + +// 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 +{ +public: + GlobalPtr(HGLOBAL hGlobal) : m_hGlobal(hGlobal) + { + m_ptr = GlobalLock(hGlobal); + if ( !m_ptr ) + { + wxLogLastError(_T("GlobalLock")); + } + } + + ~GlobalPtr() + { + if ( !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); + } +#endif // __WXDEBUG__ + } + } + + operator void *() const { return m_ptr; } + +private: + HGLOBAL m_hGlobal; + void *m_ptr; + + DECLARE_NO_COPY_CLASS(GlobalPtr) }; // --------------------------------------------------------------------------- @@ -389,6 +463,9 @@ private: #define GetHaccel() ((HACCEL)GetHACCEL()) #define GetHaccelOf(table) ((HACCEL)((table).GetHACCEL())) +#define GetHbrush() ((HPEN)GetResourceHandle()) +#define GetHbrushOf(brush) ((HPEN)(brush).GetResourceHandle()) + #define GetHmenu() ((HMENU)GetHMenu()) #define GetHmenuOf(menu) ((HMENU)menu->GetHMenu()) @@ -401,6 +478,9 @@ private: #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()) @@ -410,9 +490,7 @@ private: // global data // --------------------------------------------------------------------------- -WXDLLEXPORT_DATA(extern wxChar*) wxBuffer; - -WXDLLEXPORT_DATA(extern HINSTANCE) wxhInstance; +WXDLLIMPEXP_DATA_BASE(extern HINSTANCE) wxhInstance; // --------------------------------------------------------------------------- // global functions @@ -420,10 +498,10 @@ WXDLLEXPORT_DATA(extern HINSTANCE) wxhInstance; extern "C" { - WXDLLEXPORT HINSTANCE wxGetInstance(); + WXDLLIMPEXP_BASE HINSTANCE wxGetInstance(); } -WXDLLEXPORT void wxSetInstance(HINSTANCE hInst); +WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst); #if wxUSE_GUI @@ -431,9 +509,7 @@ WXDLLEXPORT void wxSetInstance(HINSTANCE hInst); extern HCURSOR wxGetCurrentBusyCursor(); // from msw/utils.cpp extern const wxCursor *wxGetGlobalCursor(); // from msw/cursor.cpp -WXDLLEXPORT wxWindow* wxFindWinFromHandle(WXHWND hWnd); - -WXDLLEXPORT void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont *the_font); +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); @@ -444,9 +520,6 @@ WXDLLEXPORT void wxScrollBarEvent(WXHWND hbar, WXWORD wParam, WXWORD pos); // Find maximum size of window/rectangle WXDLLEXPORT extern void wxFindMaxSize(WXHWND hwnd, RECT *rect); -WXDLLEXPORT wxWindow* wxFindControlFromHandle(WXHWND hWnd); -WXDLLEXPORT void wxAddControlHandle(WXHWND hWnd, wxWindow *item); - // Safely get the window text (i.e. without using fixed size buffer) WXDLLEXPORT extern wxString wxGetWindowText(WXHWND hWnd); @@ -457,8 +530,9 @@ WXDLLEXPORT extern wxString wxGetWindowClass(WXHWND hWnd); // is, for mainly historical reasons, signed) WXDLLEXPORT extern WXWORD wxGetWindowId(WXHWND hWnd); -// check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are different -extern bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc); +// check if hWnd's WNDPROC is wndProc. Return true if yes, false if they are +// different +WXDLLEXPORT extern bool wxCheckWindowWndProc(WXHWND hWnd, WXFARPROC wndProc); // Does this window style specify any border? inline bool wxStyleHasBorder(long style) @@ -467,11 +541,76 @@ inline bool wxStyleHasBorder(long style) wxSUNKEN_BORDER | wxDOUBLE_BORDER)) != 0; } -// find the window for HWND which is part of some wxWindow, returns just the -// corresponding wxWindow for HWND which just is one +// ---------------------------------------------------------------------------- +// 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 +WXDLLEXPORT extern wxWindow* wxFindWinFromHandle(WXHWND 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. // -// may return NULL -extern wxWindow *wxGetWindowFromHWND(WXHWND hwnd); +// returns the wxWindow corresponding to the given HWND or NULL. +WXDLLEXPORT extern wxWindow *wxGetWindowFromHWND(WXHWND hwnd); + +// Get the size of an icon +WXDLLEXPORT extern 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); + +// ---------------------------------------------------------------------------- +// 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__ + +inline void *wxGetWindowProc(HWND hwnd) +{ + return (void *)::GetWindowLong(hwnd, GWL_WNDPROC); +} + +inline void *wxGetWindowUserData(HWND hwnd) +{ + return (void *)::GetWindowLong(hwnd, GWL_USERDATA); +} + +inline WNDPROC wxSetWindowProc(HWND hwnd, WNDPROC func) +{ + return (WNDPROC)::SetWindowLong(hwnd, GWL_WNDPROC, (LONG)func); +} + +inline void *wxSetWindowUserData(HWND hwnd, void *data) +{ + return (void *)::SetWindowLong(hwnd, GWL_USERDATA, (LONG)data); +} + +#endif // __WIN64__/__WIN32__ #endif // wxUSE_GUI