// 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 <windows.h>, as this
+// #include "wx/msw/private.h" which itself includes <windows.h>, as this
// one in turn includes <winsock.h> unless we define WIN32_LEAN_AND_MEAN.
//
#if defined(__WIN32__) && !defined(__TWIN32__) && ! (defined(__GNUWIN32__) && !defined(__MINGW32__))
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
{
#if defined(__WIN32__)
DWORD attribs = GetFileAttributes(dir);
- return ((attribs != -1) && (attribs & FILE_ATTRIBUTE_DIRECTORY));
+ return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY));
#else // Win16
#ifdef __BORLANDC__
struct ffblk fileInfo;
#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
{
- // TODO use SendMessage(WM_QUIT) and TerminateProcess() if needed
+ 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)
+{
+#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;
+ }
- return 0;
+ 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
+
+ // error
+ return -1;
}
// Execute a program in an Interactive Shell
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(')');
*majorVsn = info.dwMajorVersion;
if (minorVsn)
*minorVsn = info.dwMinorVersion;
-
+
switch ( info.dwPlatformId )
{
case VER_PLATFORM_WIN32s:
// Return TRUE if we have a colour display
bool wxColourDisplay()
{
- ScreenHDC dc;
- int noCols = GetDeviceCaps(dc, NUMCOLORS);
+ // 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);
+
+ s_isColour = (noCols == -1) || (noCols > 2);
+ }
- return (noCols == -1) || (noCols > 2);
+ return s_isColour != 0;
}
// Returns depth of screen
if ( height ) *height = GetDeviceCaps(dc, VERTSIZE);
}
+void wxClientDisplayRect(int *x, int *y, int *width, int *height)
+{
+#ifdef __WIN16__
+ *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
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
projects / wxWidgets.git / blobdiff