X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bdc72a22686ac141e9bc4559a1171d017fdcb094..8f974c520a8733158591891458fda10fae4c3950:/src/msw/utils.cpp diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp index 53db01e6d8..f9db6a472b 100644 --- a/src/msw/utils.cpp +++ b/src/msw/utils.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: mse/utils.cpp +// Name: msw/utils.cpp // Purpose: Various utilities // Author: Julian Smart // Modified by: @@ -32,16 +32,26 @@ #include "wx/utils.h" #include "wx/app.h" #include "wx/cursor.h" + #include "wx/intl.h" + #include "wx/log.h" #endif //WX_PRECOMP +// In some mingws there is a missing extern "C" int the winsock header, +// so we put it here just to be safe. Note that this must appear _before_ +// #include "wx/msw/private.h" which itself includes , as this +// one in turn includes unless we define WIN32_LEAN_AND_MEAN. +// +#if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__)) +extern "C" { + #include // we use socket functions in wxGetFullHostName() +} +#endif + #include "wx/msw/private.h" // includes #include "wx/timer.h" -#include "wx/intl.h" - -#include -#if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__) +#if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__) && !defined(__WXMICROWIN__) #include #ifndef __MWERKS__ @@ -54,8 +64,6 @@ #include #endif //GNUWIN32 -#include "wx/log.h" - #ifdef __BORLANDC__ // Please someone tell me which version of Borland needs // this (3.1 I believe) and how to test for it. // If this works for Borland 4.0 as well, then no worries. @@ -72,7 +80,7 @@ #include #endif // USE_NET_API -#if defined(__WIN32__) && !defined(__WXWINE__) +#if defined(__WIN32__) && !defined(__WXWINE__) && !defined(__WXMICROWIN__) #include #ifndef __GNUWIN32__ @@ -80,15 +88,11 @@ #endif #endif -#include -#include -#include #ifndef __WATCOMC__ #if !(defined(_MSC_VER) && (_MSC_VER > 800)) #include #endif #endif -#include //// BEGIN for console support: VC++ only #ifdef __VISUALC__ @@ -99,13 +103,7 @@ #include "wx/ioswrap.h" -#if wxUSE_IOSTREAMH -// N.B. BC++ doesn't have istream.h, ostream.h -# include -# include -#else -# include -#endif +#include "wx/ioswrap.h" /* Need to undef new if including crtdbg.h */ # ifdef new @@ -117,7 +115,7 @@ #endif # if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS -# define new new(__FILE__,__LINE__) +# define new new(__TFILE__,__LINE__) # endif #endif @@ -133,11 +131,13 @@ static const wxChar WX_SECTION[] = wxT("wxWindows"); static const wxChar eUSERNAME[] = wxT("UserName"); // these are only used under Win16 -#ifndef __WIN32__ +#if !defined(__WIN32__) && !defined(__WXMICROWIN__) static const wxChar eHOSTNAME[] = wxT("HostName"); static const wxChar eUSERID[] = wxT("UserId"); #endif // !Win32 +#ifndef __WXMICROWIN__ + // ============================================================================ // implementation // ============================================================================ @@ -146,16 +146,14 @@ static const wxChar eUSERID[] = wxT("UserId"); // get host name and related // ---------------------------------------------------------------------------- -// Get full hostname (eg. DoDo.BSn-Germany.crg.de) +// Get hostname only (without domain name) bool wxGetHostName(wxChar *buf, int maxSize) { -#if defined(__WIN32__) && !defined(__TWIN32__) - // TODO should use GetComputerNameEx() when available - +#if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) DWORD nSize = maxSize; if ( !::GetComputerName(buf, &nSize) ) { - wxLogLastError("GetComputerName"); + wxLogLastError(wxT("GetComputerName")); return FALSE; } @@ -174,15 +172,55 @@ bool wxGetHostName(wxChar *buf, int maxSize) #endif } +// get full hostname (with domain name if possible) bool wxGetFullHostName(wxChar *buf, int maxSize) { +#if defined(__WIN32__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__)) + // TODO should use GetComputerNameEx() when available + WSADATA wsa; + if ( WSAStartup(MAKEWORD(1, 1), &wsa) == 0 ) + { + wxString host; + char bufA[256]; + if ( gethostname(bufA, WXSIZEOF(bufA)) == 0 ) + { + // gethostname() won't usually include the DNS domain name, for + // this we need to work a bit more + if ( !strchr(bufA, '.') ) + { + struct hostent *pHostEnt = gethostbyname(bufA); + + if ( pHostEnt ) + { + // Windows will use DNS internally now + pHostEnt = gethostbyaddr(pHostEnt->h_addr, 4, PF_INET); + } + + if ( pHostEnt ) + { + host = pHostEnt->h_name; + } + } + } + + WSACleanup(); + + if ( !!host ) + { + wxStrncpy(buf, host, maxSize); + + return TRUE; + } + } +#endif // Win32 + return wxGetHostName(buf, maxSize); } // Get user ID e.g. jacs bool wxGetUserId(wxChar *buf, int maxSize) { -#if defined(__WIN32__) && !defined(__win32s__) && !defined(__TWIN32__) +#if defined(__WIN32__) && !defined(__win32s__) && !defined(__TWIN32__) && !defined(__WXMICROWIN__) DWORD nSize = maxSize; if ( ::GetUserName(buf, &nSize) == 0 ) { @@ -375,7 +413,7 @@ const wxChar* wxGetHomeDir(wxString *pstr) return strDir.c_str(); } -wxChar *wxGetUserHome(const wxString& user) +wxChar *wxGetUserHome(const wxString& WXUNUSED(user)) { // VZ: the old code here never worked for user != "" anyhow! Moreover, it // returned sometimes a malloc()'d pointer, sometimes a pointer to a @@ -387,30 +425,17 @@ wxChar *wxGetUserHome(const wxString& user) bool wxDirExists(const wxString& dir) { -#if defined(__WIN32__) - WIN32_FIND_DATA fileInfo; +#ifdef __WXMICROWIN__ + return wxPathExist(dir); +#elif defined(__WIN32__) + DWORD attribs = GetFileAttributes(dir); + return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY)); #else // Win16 #ifdef __BORLANDC__ struct ffblk fileInfo; #else struct find_t fileInfo; #endif -#endif // Win32/16 - -#if defined(__WIN32__) - HANDLE h = ::FindFirstFile(dir, &fileInfo); - - if ( h == INVALID_HANDLE_VALUE ) - { - wxLogLastError("FindFirstFile"); - - return FALSE; - } - - ::FindClose(h); - - return (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0; -#else // Win16 // In Borland findfirst has a different argument // ordering from _dos_findfirst. But _dos_findfirst // _should_ be ok in both MS and Borland... why not? @@ -424,15 +449,260 @@ bool wxDirExists(const wxString& dir) #endif // Win32/16 } +// ---------------------------------------------------------------------------- +// env vars +// ---------------------------------------------------------------------------- + +bool wxGetEnv(const wxString& var, wxString *value) +{ +#ifdef __WIN16__ + const wxChar* ret = wxGetenv(var); + if (ret) + { + *value = ret; + return TRUE; + } + else + return FALSE; +#else + // first get the size of the buffer + DWORD dwRet = ::GetEnvironmentVariable(var, NULL, 0); + if ( !dwRet ) + { + // this means that there is no such variable + return FALSE; + } + + if ( value ) + { + (void)::GetEnvironmentVariable(var, value->GetWriteBuf(dwRet), dwRet); + value->UngetWriteBuf(); + } + + return TRUE; +#endif +} + +bool wxSetEnv(const wxString& var, const wxChar *value) +{ + // some compilers have putenv() or _putenv() or _wputenv() but it's better + // to always use Win32 function directly instead of dealing with them +#if defined(__WIN32__) + if ( !::SetEnvironmentVariable(var, value) ) + { + wxLogLastError(_T("SetEnvironmentVariable")); + + return FALSE; + } + + return TRUE; +#else // no way to set env vars + return FALSE; +#endif +} + // ---------------------------------------------------------------------------- // process management // ---------------------------------------------------------------------------- -int wxKill(long pid, int sig) +#ifdef __WIN32__ + +// structure used to pass parameters from wxKill() to wxEnumFindByPidProc() +struct wxFindByPidParams +{ + wxFindByPidParams() { hwnd = 0; pid = 0; } + + // the HWND used to return the result + HWND hwnd; + + // the PID we're looking from + DWORD pid; +}; + +// wxKill helper: EnumWindows() callback which is used to find the first (top +// level) window belonging to the given process +BOOL CALLBACK wxEnumFindByPidProc(HWND hwnd, LPARAM lParam) +{ + DWORD pid; + (void)::GetWindowThreadProcessId(hwnd, &pid); + + wxFindByPidParams *params = (wxFindByPidParams *)lParam; + if ( pid == params->pid ) + { + // remember the window we found + params->hwnd = hwnd; + + // return FALSE to stop the enumeration + return FALSE; + } + + // continue enumeration + return TRUE; +} + +#endif // __WIN32__ + +int wxKill(long pid, wxSignal sig, wxKillError *krc) { - // TODO use SendMessage(WM_QUIT) and TerminateProcess() if needed +#ifdef __WIN32__ + // get the process handle to operate on + HANDLE hProcess = ::OpenProcess(SYNCHRONIZE | + PROCESS_TERMINATE | + PROCESS_QUERY_INFORMATION, + FALSE, // not inheritable + (DWORD)pid); + if ( hProcess == NULL ) + { + if ( krc ) + { + if ( ::GetLastError() == ERROR_ACCESS_DENIED ) + { + *krc = wxKILL_ACCESS_DENIED; + } + else + { + *krc = wxKILL_NO_PROCESS; + } + } + + return -1; + } + + bool ok = TRUE; + switch ( sig ) + { + case wxSIGKILL: + // kill the process forcefully returning -1 as error code + if ( !::TerminateProcess(hProcess, (UINT)-1) ) + { + wxLogSysError(_("Failed to kill process %d"), pid); + + if ( krc ) + { + // this is not supposed to happen if we could open the + // process + *krc = wxKILL_ERROR; + } + + ok = FALSE; + } + break; + + case wxSIGNONE: + // do nothing, we just want to test for process existence + break; + + default: + // any other signal means "terminate" + { + wxFindByPidParams params; + params.pid = (DWORD)pid; + + // EnumWindows() has nice semantics: it returns 0 if it found + // something or if an error occured and non zero if it + // enumerated all the window + if ( !::EnumWindows(wxEnumFindByPidProc, (LPARAM)¶ms) ) + { + // did we find any window? + if ( params.hwnd ) + { + // tell the app to close + // + // NB: this is the harshest way, the app won't have + // opportunity to save any files, for example, but + // this is probably what we want here. If not we + // can also use SendMesageTimeout(WM_CLOSE) + if ( !::PostMessage(params.hwnd, WM_QUIT, 0, 0) ) + { + wxLogLastError(_T("PostMessage(WM_QUIT)")); + } + } + else // it was an error then + { + wxLogLastError(_T("EnumWindows")); + + ok = FALSE; + } + } + else // no windows for this PID + { + if ( krc ) + { + *krc = wxKILL_ERROR; + } + + ok = FALSE; + } + } + } + + // the return code + DWORD rc; + + if ( ok ) + { + // as we wait for a short time, we can use just WaitForSingleObject() + // and not MsgWaitForMultipleObjects() + switch ( ::WaitForSingleObject(hProcess, 500 /* msec */) ) + { + case WAIT_OBJECT_0: + // process terminated + if ( !::GetExitCodeProcess(hProcess, &rc) ) + { + wxLogLastError(_T("GetExitCodeProcess")); + } + break; + + default: + wxFAIL_MSG( _T("unexpected WaitForSingleObject() return") ); + // fall through + + case WAIT_FAILED: + wxLogLastError(_T("WaitForSingleObject")); + // fall through + + case WAIT_TIMEOUT: + if ( krc ) + { + *krc = wxKILL_ERROR; + } + + rc = STILL_ACTIVE; + break; + } + } + else // !ok + { + // just to suppress the warnings about uninitialized variable + rc = 0; + } + + ::CloseHandle(hProcess); + + // the return code is the same as from Unix kill(): 0 if killed + // successfully or -1 on error + if ( sig == wxSIGNONE ) + { + if ( ok && rc == STILL_ACTIVE ) + { + // there is such process => success + return 0; + } + } + else // not SIGNONE + { + if ( ok && rc != STILL_ACTIVE ) + { + // killed => success + return 0; + } + } +#else // Win15 + wxFAIL_MSG( _T("not implemented") ); +#endif // Win32/Win16 - return 0; + // error + return -1; } // Execute a program in an Interactive Shell @@ -454,7 +724,7 @@ bool wxShell(const wxString& command) cmd.Printf(wxT("%s /c %s"), shell, command.c_str()); } - return wxExecute(cmd, FALSE) != 0; + return wxExecute(cmd, TRUE /* sync */) != 0; } // ---------------------------------------------------------------------------- @@ -499,7 +769,7 @@ wxString wxGetOsDescription() case VER_PLATFORM_WIN32_WINDOWS: str.Printf(_("Windows 9%c"), - info.dwMinorVersion == 0 ? _T('5') : _T('9')); + info.dwMinorVersion == 0 ? _T('5') : _T('8')); if ( !wxIsEmpty(info.szCSDVersion) ) { str << _T(" (") << info.szCSDVersion << _T(')'); @@ -584,10 +854,12 @@ int wxGetOsVersion(int *majorVsn, int *minorVsn) #if wxUSE_GUI +#if wxUSE_TIMER + // Sleep for nSecs seconds. Attempt a Windows implementation using timers. static bool gs_inTimer = FALSE; -class wxSleepTimer: public wxTimer +class wxSleepTimer : public wxTimer { public: virtual void Notify() @@ -603,7 +875,7 @@ void wxUsleep(unsigned long milliseconds) { #ifdef __WIN32__ ::Sleep(milliseconds); -#else +#else // !Win32 if (gs_inTimer) return; @@ -617,7 +889,7 @@ void wxUsleep(unsigned long milliseconds) } delete wxTheSleepTimer; wxTheSleepTimer = NULL; -#endif +#endif // Win32/!Win32 } void wxSleep(int nSecs) @@ -643,6 +915,8 @@ void wxFlushEvents() // wxYield(); } +#endif // wxUSE_TIMER + #elif defined(__WIN32__) // wxUSE_GUI void wxUsleep(unsigned long milliseconds) @@ -656,6 +930,8 @@ void wxSleep(int nSecs) } #endif // wxUSE_GUI/!wxUSE_GUI +#endif + // __WXMICROWIN__ // ---------------------------------------------------------------------------- // deprecated (in favour of wxLog) log functions @@ -664,6 +940,7 @@ void wxSleep(int nSecs) #if wxUSE_GUI // Output a debug mess., in a system dependent fashion. +#ifndef __WXMICROWIN__ void wxDebugMsg(const wxChar *fmt ...) { va_list ap; @@ -695,6 +972,7 @@ void wxFatalError(const wxString& msg, const wxString& title) wxSprintf(wxBuffer, wxT("%s: %s"), WXSTRINGCAST title, WXSTRINGCAST msg); FatalAppExit(0, (LPCTSTR)wxBuffer); } +#endif // __WXMICROWIN__ // ---------------------------------------------------------------------------- // functions to work with .INI files @@ -806,17 +1084,24 @@ bool wxGetResource(const wxString& section, const wxString& entry, int *value, c // helper functions for showing a "busy" cursor // --------------------------------------------------------------------------- -HCURSOR gs_wxBusyCursor = 0; // new, busy cursor -HCURSOR gs_wxBusyCursorOld = 0; // old cursor +static HCURSOR gs_wxBusyCursor = 0; // new, busy cursor +static HCURSOR gs_wxBusyCursorOld = 0; // old cursor static int gs_wxBusyCursorCount = 0; +extern HCURSOR wxGetCurrentBusyCursor() +{ + return gs_wxBusyCursor; +} + // Set the cursor to the busy cursor for all windows void wxBeginBusyCursor(wxCursor *cursor) { if ( gs_wxBusyCursorCount++ == 0 ) { gs_wxBusyCursor = (HCURSOR)cursor->GetHCURSOR(); +#ifndef __WXMICROWIN__ gs_wxBusyCursorOld = ::SetCursor(gs_wxBusyCursor); +#endif } //else: nothing to do, already set } @@ -829,8 +1114,9 @@ void wxEndBusyCursor() if ( --gs_wxBusyCursorCount == 0 ) { +#ifndef __WXMICROWIN__ ::SetCursor(gs_wxBusyCursorOld); - +#endif gs_wxBusyCursorOld = 0; } } @@ -857,11 +1143,10 @@ bool wxCheckForInterrupt(wxWindow *wnd) return TRUE; } -#endif // wxUSE_GUI - // MSW only: get user-defined resource from the .res file. // Returns NULL or newly-allocated memory, so use delete[] to clean up. +#ifndef __WXMICROWIN__ wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourceType) { HRSRC hResource = ::FindResource(wxGetInstance(), resourceName, resourceType); @@ -876,7 +1161,14 @@ wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourc if ( !theText ) return NULL; - wxChar *s = copystring(theText); + // Not all compilers put a zero at the end of the resource (e.g. BC++ doesn't). + // so we need to find the length of the resource. + int len = ::SizeofResource(wxGetInstance(), hResource); + wxChar *s = new wxChar[len+1]; + wxStrncpy(s,theText,len); + s[len]=0; + + // wxChar *s = copystring(theText); // Obsolete in WIN32 #ifndef __WIN32__ @@ -888,11 +1180,14 @@ wxChar *wxLoadUserResource(const wxString& resourceName, const wxString& resourc return s; } +#endif // ---------------------------------------------------------------------------- // get display info // ---------------------------------------------------------------------------- +// See also the wxGetMousePosition in window.cpp +// Deprecated: use wxPoint wxGetMousePosition() instead void wxGetMousePosition( int* x, int* y ) { POINT pt; @@ -904,10 +1199,27 @@ void wxGetMousePosition( int* x, int* y ) // Return TRUE if we have a colour display bool wxColourDisplay() { - ScreenHDC dc; - int noCols = GetDeviceCaps(dc, NUMCOLORS); +#ifdef __WXMICROWIN__ + // MICROWIN_TODO + return TRUE; +#else + // this function is called from wxDC ctor so it is called a *lot* of times + // hence we optimize it a bit but doign the check only once + // + // this should be MT safe as only the GUI thread (holding the GUI mutex) + // can call us + static int s_isColour = -1; + + if ( s_isColour == -1 ) + { + ScreenHDC dc; + int noCols = ::GetDeviceCaps(dc, NUMCOLORS); - return (noCols == -1) || (noCols > 2); + s_isColour = (noCols == -1) || (noCols > 2); + } + + return s_isColour != 0; +#endif } // Returns depth of screen @@ -920,12 +1232,53 @@ int wxDisplayDepth() // Get size of display void wxDisplaySize(int *width, int *height) { +#ifdef __WXMICROWIN__ + RECT rect; + HWND hWnd = GetDesktopWindow(); + ::GetWindowRect(hWnd, & rect); + + *width = rect.right - rect.left; + *height = rect.bottom - rect.top; +#else ScreenHDC dc; if ( width ) *width = GetDeviceCaps(dc, HORZRES); if ( height ) *height = GetDeviceCaps(dc, VERTRES); +#endif } +void wxDisplaySizeMM(int *width, int *height) +{ +#ifdef __WXMICROWIN__ + // MICROWIN_TODO + *width = 0; * height = 0; +#else + ScreenHDC dc; + + if ( width ) *width = GetDeviceCaps(dc, HORZSIZE); + if ( height ) *height = GetDeviceCaps(dc, VERTSIZE); +#endif +} + +void wxClientDisplayRect(int *x, int *y, int *width, int *height) +{ +#if defined(__WIN16__) || defined(__WXMICROWIN__) + *x = 0; *y = 0; + wxDisplaySize(width, height); +#else + // Determine the desktop dimensions minus the taskbar and any other + // special decorations... + RECT r; + + SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0); + if (x) *x = r.left; + if (y) *y = r.top; + if (width) *width = r.right - r.left; + if (height) *height = r.bottom - r.top; +#endif +} + + // --------------------------------------------------------------------------- // window information functions // --------------------------------------------------------------------------- @@ -942,6 +1295,10 @@ wxString WXDLLEXPORT wxGetWindowText(WXHWND hWnd) wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd) { +#ifdef __WXMICROWIN__ + // MICROWIN_TODO + return wxEmptyString; +#else wxString str; int len = 256; // some starting value @@ -981,17 +1338,58 @@ wxString WXDLLEXPORT wxGetWindowClass(WXHWND hWnd) } return str; +#endif } WXWORD WXDLLEXPORT wxGetWindowId(WXHWND hWnd) { #ifndef __WIN32__ - return GetWindowWord((HWND)hWnd, GWW_ID); + return (WXWORD)GetWindowWord((HWND)hWnd, GWW_ID); #else // Win32 - return GetWindowLong((HWND)hWnd, GWL_ID); + return (WXWORD)GetWindowLong((HWND)hWnd, GWL_ID); #endif // Win16/32 } +#endif // wxUSE_GUI + +#if wxUSE_GUI + +// ---------------------------------------------------------------------------- +// Metafile helpers +// ---------------------------------------------------------------------------- + +extern void PixelToHIMETRIC(LONG *x, LONG *y) +{ + ScreenHDC hdcRef; + + int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE), + iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE), + iWidthPels = GetDeviceCaps(hdcRef, HORZRES), + iHeightPels = GetDeviceCaps(hdcRef, VERTRES); + + *x *= (iWidthMM * 100); + *x /= iWidthPels; + *y *= (iHeightMM * 100); + *y /= iHeightPels; +} + +extern void HIMETRICToPixel(LONG *x, LONG *y) +{ + ScreenHDC hdcRef; + + int iWidthMM = GetDeviceCaps(hdcRef, HORZSIZE), + iHeightMM = GetDeviceCaps(hdcRef, VERTSIZE), + iWidthPels = GetDeviceCaps(hdcRef, HORZRES), + iHeightPels = GetDeviceCaps(hdcRef, VERTRES); + + *x *= iWidthPels; + *x /= (iWidthMM * 100); + *y *= iHeightPels; + *y /= (iHeightMM * 100); +} + +#endif // wxUSE_GUI + #if 0 //------------------------------------------------------------------------ // wild character routines @@ -1149,7 +1547,7 @@ bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special ) return ((*str == '\0') && (*pattern == '\0')); }; -#endif +#endif // 0 #if 0 @@ -1215,4 +1613,13 @@ void wxRedirectIOToConsole() } #endif +#ifdef __WXMICROWIN__ +int wxGetOsVersion(int *majorVsn, int *minorVsn) +{ + // MICROWIN_TODO + if (majorVsn) *majorVsn = 0; + if (minorVsn) *minorVsn = 0; + return wxUNIX; +} +#endif