X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/750b78ba359e7d30c7d3ad49d268923e986268cb..06298235850b7e576ef77a9a95b521534f18a4d9:/src/msw/utilsexc.cpp diff --git a/src/msw/utilsexc.cpp b/src/msw/utilsexc.cpp index ade6c3077a..6df190c161 100644 --- a/src/msw/utilsexc.cpp +++ b/src/msw/utilsexc.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: utilsexec.cpp +// Name: msw/utilsexec.cpp // Purpose: Various utilities // Author: Julian Smart // Modified by: @@ -9,48 +9,54 @@ // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ -#pragma implementation + #pragma implementation #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #ifndef WX_PRECOMP -#include "wx/setup.h" -#include "wx/utils.h" -#include "wx/app.h" -#include "wx/intl.h" + #include "wx/utils.h" + #include "wx/app.h" + #include "wx/intl.h" #endif #include "wx/log.h" -#include "wx/process.h" -#include "wx/msw/private.h" +#ifdef __WIN32__ + #include "wx/process.h" +#endif -#include +#include "wx/msw/private.h" #include -#if !defined(__GNUWIN32__) && !defined(__SALFORDC__) -#include +#if !defined(__GNUWIN32__) && !defined(__WXWINE__) && !defined(__SALFORDC__) + #include #ifndef __MWERKS__ -#include + #include #endif #endif -#ifdef __GNUWIN32__ -#ifndef __TWIN32__ -#include -#include -#endif +#if defined(__GNUWIN32__) && !defined(__TWIN32__) + #include + #include #endif -#ifdef __WIN32__ +#if defined(__WIN32__) && !defined(__WXWINE__) #include #ifndef __GNUWIN32__ @@ -68,9 +74,26 @@ #endif #include +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + // this message is sent when the process we're waiting for terminates #define wxWM_PROC_TERMINATED (WM_USER + 10000) +// ---------------------------------------------------------------------------- +// this module globals +// ---------------------------------------------------------------------------- + +// we need to create a hidden window to receive the process termination +// notifications and for this we need a (Win) class name for it which we will +// register the first time it's needed +static const wxChar *gs_classForHiddenWindow = NULL; + +// ---------------------------------------------------------------------------- +// private types +// ---------------------------------------------------------------------------- + // structure describing the process we're being waiting for struct wxExecuteData { @@ -93,6 +116,9 @@ public: bool state; // set to FALSE when the process finishes }; +// ============================================================================ +// implementation +// ============================================================================ #ifdef __WIN32__ static DWORD wxExecuteThread(wxExecuteData *data) @@ -106,14 +132,13 @@ static DWORD wxExecuteThread(wxExecuteData *data) } wxASSERT_MSG( data->dwExitCode != STILL_ACTIVE, - "process should have terminated" ); + wxT("process should have terminated") ); // send a message indicating process termination to the window SendMessage(data->hWnd, wxWM_PROC_TERMINATED, 0, (LPARAM)data); - + return 0; } -#endif // window procedure of a hidden window which is created just to receive // the notification message when a process exits @@ -130,7 +155,7 @@ LRESULT APIENTRY _EXPORT wxExecuteWindowCbk(HWND hWnd, UINT message, data->handler->OnTerminate((int)data->dwProcessId, (int)data->dwExitCode); } - + if ( data->state ) { // we're executing synchronously, tell the waiting thread @@ -146,12 +171,11 @@ LRESULT APIENTRY _EXPORT wxExecuteWindowCbk(HWND hWnd, UINT message, return 0; } - -extern char wxPanelClassName[]; +#endif long wxExecute(const wxString& command, bool sync, wxProcess *handler) { - wxCHECK_MSG( !!command, 0, "empty command in wxExecute" ); + wxCHECK_MSG( !!command, 0, wxT("empty command in wxExecute") ); #if defined(__WIN32__) && !defined(__TWIN32__) // the old code is disabled because we really need a process handle @@ -203,7 +227,7 @@ long wxExecute(const wxString& command, bool sync, wxProcess *handler) result = ShellExecute(hwndTop, "open", commandName, commandArgs, NULL, SW_SHOWNORMAL); #endif // GNUWIN32 - + if ( ((long)result) <= 32 ) wxLogSysError(_("Can't execute command '%s'"), command.c_str()); @@ -211,14 +235,15 @@ long wxExecute(const wxString& command, bool sync, wxProcess *handler) #else // 1 // create the process STARTUPINFO si; - ::ZeroMemory(&si, sizeof(si)); + wxZeroMemory(si); + si.cb = sizeof(si); PROCESS_INFORMATION pi; if ( ::CreateProcess( NULL, // application name (use only cmd line) - (char *)command.c_str(), // full command line + (wxChar *)command.c_str(), // full command line NULL, // security attributes: defaults for both NULL, // the process and its main thread FALSE, // don't inherit handles @@ -238,24 +263,48 @@ long wxExecute(const wxString& command, bool sync, wxProcess *handler) if ( !::CloseHandle(pi.hThread) ) wxLogLastError("CloseHandle(hThread)"); + if ( !gs_classForHiddenWindow ) + { + gs_classForHiddenWindow = _T("wxHiddenWindow"); + + WNDCLASS wndclass; + wxZeroMemory(wndclass); + wndclass.lpfnWndProc = (WNDPROC)wxExecuteWindowCbk; + wndclass.hInstance = wxGetInstance(); + wndclass.lpszClassName = gs_classForHiddenWindow; + + if ( !::RegisterClass(&wndclass) ) + { + wxLogLastError("RegisterClass(hidden window)"); + + return FALSE; + } + } + // create a hidden window to receive notification about process // termination - HWND hwnd = ::CreateWindow(wxPanelClassName, NULL, 0, 0, 0, 0, 0, NULL, + HWND hwnd = ::CreateWindow(gs_classForHiddenWindow, NULL, + 0, 0, 0, 0, 0, NULL, (HMENU)NULL, wxGetInstance(), 0); - wxASSERT_MSG( hwnd, "can't create a hidden window for wxExecute" ); - - FARPROC ExecuteWindowInstance = MakeProcInstance((FARPROC)wxExecuteWindowCbk, - wxGetInstance()); - - ::SetWindowLong(hwnd, GWL_WNDPROC, (LONG) ExecuteWindowInstance); - + wxASSERT_MSG( hwnd, wxT("can't create a hidden window for wxExecute") ); + // Alloc data wxExecuteData *data = new wxExecuteData; data->hProcess = pi.hProcess; data->dwProcessId = pi.dwProcessId; data->hWnd = hwnd; data->state = sync; - data->handler = handler; + if ( sync ) + { + wxASSERT_MSG( !handler, wxT("wxProcess param ignored for sync execution") ); + + data->handler = NULL; + } + else + { + // may be NULL or not + data->handler = handler; + } DWORD tid; HANDLE hThread = ::CreateThread(NULL, @@ -275,30 +324,34 @@ long wxExecute(const wxString& command, bool sync, wxProcess *handler) // the process still started up successfully... return pi.dwProcessId; } - + if ( !sync ) { // clean up will be done when the process terminates + + // return the pid return pi.dwProcessId; } - + // waiting until command executed while ( data->state ) wxYield(); - + + DWORD dwExitCode = data->dwExitCode; delete data; - return pi.dwProcessId; + // return the exit code + return dwExitCode; #endif // 0/1 #else // Win16 long instanceID = WinExec((LPCSTR) WXSTRINGCAST command, SW_SHOW); if (instanceID < 32) return(0); - + if (sync) { int running; do { wxYield(); - running = GetModuleUsage((HANDLE)instanceID); + running = GetModuleUsage((HINSTANCE)instanceID); } while (running); } @@ -309,7 +362,7 @@ long wxExecute(const wxString& command, bool sync, wxProcess *handler) long wxExecute(char **argv, bool sync, wxProcess *handler) { wxString command; - + while ( *argv != NULL ) { command << *argv++ << ' '; @@ -319,3 +372,37 @@ long wxExecute(char **argv, bool sync, wxProcess *handler) return wxExecute(command, sync, handler); } + +// ---------------------------------------------------------------------------- +// 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); +}