qdesktopservices_win.cpp File Reference

#include <qsettings.h>
#include <qdir.h>
#include <private/qsystemlibrary_p.h>
#include <qurl.h>
#include <qstringlist.h>
#include <qprocess.h>
#include <qtemporaryfile.h>
#include <qcoreapplication.h>
#include <qt_windows.h>
#include <shlobj.h>
#include <qguifunctions_wince.h>

Go to the source code of this file.

Macros
#define	CSIDL_MYMUSIC   13
#define	CSIDL_MYVIDEO   14

Functions
static QString	expandEnvStrings (const QString &command)
static bool	launchWebBrowser (const QUrl &url)
static bool	openDocument (const QUrl &file)

Macro Definition Documentation

CSIDL_MYMUSIC

#define CSIDL_MYMUSIC   13

Definition at line 60 of file qdesktopservices_win.cpp.

Referenced by launchWebBrowser().

CSIDL_MYVIDEO

#define CSIDL_MYVIDEO   14

Definition at line 61 of file qdesktopservices_win.cpp.

Referenced by launchWebBrowser().

Function Documentation

expandEnvStrings()

static QString expandEnvStrings ( const QString &  command )

static

Definition at line 79 of file qdesktopservices_win.cpp.

Referenced by launchWebBrowser().

{
#if defined(Q_OS_WINCE)
    return command;
#else
    wchar_t buffer[MAX_PATH];
    if (ExpandEnvironmentStrings((wchar_t*)command.utf16(), buffer, MAX_PATH))
        return QString::fromWCharArray(buffer);
    else
        return command;
#endif
}

launchWebBrowser()

static bool launchWebBrowser ( const QUrl &  url )

static

Definition at line 92 of file qdesktopservices_win.cpp.

{
    if (url.scheme() == QLatin1String("mailto")) {
        //Retrieve the commandline for the default mail client
        //the default key used below is the command line for the mailto: shell command
        DWORD  bufferSize = sizeof(wchar_t) * MAX_PATH;
        long  returnValue =  -1;
        QString command;

        HKEY handle;
        LONG res;
        wchar_t keyValue[MAX_PATH] = {0};
        QString keyName(QLatin1String("mailto"));

        //Check if user has set preference, otherwise use default.
        res = RegOpenKeyEx(HKEY_CURRENT_USER,
                           L"Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\mailto\\UserChoice",
                           0, KEY_READ, &handle);
        if (res == ERROR_SUCCESS) {
            returnValue = RegQueryValueEx(handle, L"Progid", 0, 0, reinterpret_cast<unsigned char*>(keyValue), &bufferSize);
            if (!returnValue)
                keyName = QString::fromUtf16((const ushort*)keyValue);
            RegCloseKey(handle);
        }
        keyName += QLatin1String("\\Shell\\Open\\Command");
        res = RegOpenKeyExW(HKEY_CLASSES_ROOT, (const wchar_t*)keyName.utf16(), 0, KEY_READ, &handle);
        if (res != ERROR_SUCCESS)
            return false;

        bufferSize = sizeof(wchar_t) * MAX_PATH;
        returnValue = RegQueryValueEx(handle, L"", 0, 0, reinterpret_cast<unsigned char*>(keyValue), &bufferSize);
        if (!returnValue)
            command = QString::fromRawData((QChar*)keyValue, bufferSize);
        RegCloseKey(handle);

        if (returnValue)
            return false;

        command = expandEnvStrings(command);
        command = command.trimmed();
        //Make sure the path for the process is in quotes
        int index = -1 ;
        if (command[0]!= QLatin1Char('\"')) {
            index = command.indexOf(QLatin1String(".exe "), 0, Qt::CaseInsensitive);
            command.insert(index+4, QLatin1Char('\"'));
            command.insert(0, QLatin1Char('\"'));
        }
        //pass the url as the parameter
        index =  command.lastIndexOf(QLatin1String("%1"));
        if (index != -1){
            command.replace(index, 2, url.toString());
        }
        //start the process
        PROCESS_INFORMATION pi;
        ZeroMemory(&pi, sizeof(pi));
        STARTUPINFO si;
        ZeroMemory(&si, sizeof(si));
        si.cb = sizeof(si);

        returnValue = CreateProcess(NULL, (wchar_t*)command.utf16(), NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi);

        if (!returnValue)
            return false;

        CloseHandle(pi.hProcess);
        CloseHandle(pi.hThread);
        return true;
    }

    if (!url.isValid())
        return false;

    if (url.scheme().isEmpty())
        return openDocument(url);

    quintptr returnValue = (quintptr)ShellExecute(0, 0, (wchar_t *)QString::fromUtf8(url.toEncoded().constData()).utf16(),
                                                  0, 0, SW_SHOWNORMAL);
    return (returnValue > 32);
}

openDocument()

static bool openDocument ( const QUrl &  file )

static

Definition at line 68 of file qdesktopservices_win.cpp.

Referenced by launchWebBrowser().

{
    if (!file.isValid())
        return false;
    QString filePath = file.toLocalFile();
    if (filePath.isEmpty())
        filePath = file.toString();
    quintptr returnValue = (quintptr)ShellExecute(0, 0, (wchar_t*)filePath.utf16(), 0, 0, SW_SHOWNORMAL);
    return (returnValue > 32); //ShellExecute returns a value greater than 32 if successful
}