X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4ab861e548133efc755de028fd4af8cab8771414..9bb1b0554014ee7f1e482d64c899ecef0391e74b:/include/wx/msw/private.h?ds=sidebyside diff --git a/include/wx/msw/private.h b/include/wx/msw/private.h index ab9b671455..c017a715f7 100644 --- a/include/wx/msw/private.h +++ b/include/wx/msw/private.h @@ -20,6 +20,13 @@ #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" @@ -81,12 +88,15 @@ WXDLLEXPORT_DATA(extern HFONT) wxSTATUS_LINE_FONT; // this defines a CASTWNDPROC macro which casts a pointer to the type of a // window proc -#if defined(STRICT) || defined(__GNUC__) +#if defined(__WXWINCE__) + typedef FARPROC WndProcCast; +#elif defined(STRICT) || defined(__GNUC__) typedef WNDPROC WndProcCast; #else typedef FARPROC WndProcCast; #endif + #define CASTWNDPROC (WndProcCast) // --------------------------------------------------------------------------- @@ -173,22 +183,6 @@ 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 // --------------------------------------------------------------------------- @@ -203,6 +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) @@ -268,6 +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 // @@ -280,12 +286,18 @@ 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 @@ -324,6 +336,20 @@ 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)); + 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 @@ -336,20 +362,24 @@ 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 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 @@ -368,6 +398,47 @@ 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) }; // --------------------------------------------------------------------------- @@ -436,8 +507,6 @@ 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); @@ -449,9 +518,6 @@ 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); @@ -462,8 +528,9 @@ 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) @@ -472,11 +539,24 @@ 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); #endif // wxUSE_GUI