X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..47f1ad6a7120c2eeba788b5e1300e837ae2e7e58:/include/wx/msw/private.h diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h index 8af2cfce9a..3cda5809f9 100644 --- a/include/wx/msw/private.h +++ b/include/wx/msw/private.h @@ -14,11 +14,32 @@ #ifndef _WX_PRIVATE_H_ #define _WX_PRIVATE_H_ +#ifndef STRICT + #define STRICT 1 +#endif + #include + +#if defined (__WXWINCE__) + #include // RGB, COLORREF + #include // Global Namespaces ::GetKeyState, ::GetWindowRect +#endif + + +#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" + +#include "wx/log.h" + class WXDLLEXPORT wxFont; class WXDLLEXPORT wxWindow; @@ -59,7 +80,7 @@ WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT; // define things missing from some compilers' headers // --------------------------------------------------------------------------- -#if defined(__GNUWIN32__) && !defined(wxUSE_NORLANDER_HEADERS) +#if defined(__GNUWIN32__) && !wxUSE_NORLANDER_HEADERS #ifndef ZeroMemory inline void ZeroMemory(void *buf, size_t len) { memset(buf, 0, len); } #endif @@ -67,17 +88,16 @@ WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT; // this defines a CASTWNDPROC macro which casts a pointer to the type of a // window proc - -#ifdef __GNUWIN32_OLD__ - #define CASTWNDPROC (long unsigned) +#if defined(__WXWINCE__) + typedef FARPROC WndProcCast; +#elif defined(STRICT) || defined(__GNUC__) + typedef WNDPROC WndProcCast; #else - #if defined(STRICT) || defined(__GNUC__) - typedef WNDPROC WndProcCast; - #else - typedef FARPROC WndProcCast; - #endif - #define CASTWNDPROC (WndProcCast) -#endif // __GNUWIN32_OLD__ + typedef FARPROC WndProcCast; +#endif + + +#define CASTWNDPROC (WndProcCast) // --------------------------------------------------------------------------- // some stuff for old Windows versions (FIXME: what does it do here??) @@ -163,28 +183,12 @@ 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 // --------------------------------------------------------------------------- // a wrapper macro for ZeroMemory() -#ifdef __WIN32__ +#if defined(__WIN32__) && !defined(__WXMICROWIN__) #define wxZeroMemory(obj) ::ZeroMemory(&obj, sizeof(obj)) #else #define wxZeroMemory(obj) memset((void*) & obj, 0, sizeof(obj)) @@ -193,6 +197,7 @@ 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) @@ -200,11 +205,46 @@ 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 WXDLLEXPORT wxCOLORMAP +{ + COLORREF from, to; +}; + +// this function is implemented in src/msw/window.cpp +extern wxCOLORMAP *wxGetStdColourMap(); + // copy Windows RECT to our wxRect inline void wxCopyRECTToRect(const RECT& r, wxRect& rect) { @@ -223,6 +263,17 @@ extern void PixelToHIMETRIC(LONG *x, LONG *y); // 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 // @@ -235,29 +286,159 @@ 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 +// for Win32 +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; +} + +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; } // --------------------------------------------------------------------------- // 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 { public: - ScreenHDC() { m_hdc = GetDC(NULL); } - ~ScreenHDC() { ReleaseDC(NULL, m_hdc); } - operator HDC() const { return m_hdc; } + ScreenHDC() { m_hdc = ::GetDC(NULL); } + ~ScreenHDC() { ::ReleaseDC(NULL, m_hdc); } + + operator HDC() const { return m_hdc; } private: HDC m_hdc; + + DECLARE_NO_COPY_CLASS(ScreenHDC) +}; + +// 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; + + DECLARE_NO_COPY_CLASS(MemoryHDC) +}; + +// a class which selects a GDI object into a DC in its ctor and deselects in +// dtor +class SelectInHDC +{ +public: + SelectInHDC(HDC hdc, HGDIOBJ hgdiobj) : m_hdc(hdc) + { m_hgdiobj = ::SelectObject(hdc, hgdiobj); } + + ~SelectInHDC() { ::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; + + 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) }; // --------------------------------------------------------------------------- @@ -293,15 +474,19 @@ private: #define GetHfont() ((HFONT)GetHFONT()) #define GetHfontOf(font) ((HFONT)(font).GetHFONT()) +#define GetHpalette() ((HPALETTE)GetHPALETTE()) +#define GetHpaletteOf(pal) ((HPALETTE)(pal).GetHPALETTE()) + +#define GetHrgn() ((HRGN)GetHRGN()) +#define GetHrgnOf(rgn) ((HRGN)(rgn).GetHRGN()) + #endif // wxUSE_GUI // --------------------------------------------------------------------------- // global data // --------------------------------------------------------------------------- -WXDLLEXPORT_DATA(extern wxChar*) wxBuffer; - -WXDLLEXPORT_DATA(extern HINSTANCE) wxhInstance; +WXDLLIMPEXP_DATA_BASE(extern HINSTANCE) wxhInstance; // --------------------------------------------------------------------------- // global functions @@ -320,8 +505,6 @@ 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 wxFillLogFont(LOGFONT *logFont, const wxFont *font); WXDLLEXPORT wxFont wxCreateFontFromLogFont(const LOGFONT *logFont); @@ -333,9 +516,6 @@ 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); @@ -346,18 +526,35 @@ 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 +WXDLLEXPORT extern 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; + return (style & (wxSIMPLE_BORDER | wxRAISED_BORDER | + 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); #endif // wxUSE_GUI