wxString wxFileTypeImpl::GetCommand(const wxString& verb) const
{
// suppress possible error messages
wxLogNull nolog;
wxString strKey;
{
wxRegKey explorerKey(wxRegKey::HKCU, wxT("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\") + m_ext);
if (explorerKey.Exists())
{
if (explorerKey.Open(wxRegKey::Read))
{
if (explorerKey.QueryValue(wxT("Progid"), strKey))
{
strKey = wxFileTypeImplGetCurVer(strKey);
}
}
}
}
if (!strKey && wxRegKey(wxRegKey::HKCR, m_ext + wxT("\\shell")).Exists())
strKey = m_ext;
if ( !strKey && !m_strFileType.empty())
{
wxString fileType = wxFileTypeImplGetCurVer(m_strFileType);
if (wxRegKey(wxRegKey::HKCR, fileType + wxT("\\shell")).Exists())
strKey = fileType;
}
if ( !strKey )
{
// no info
return wxEmptyString;
}
strKey << wxT("\\shell\\") << verb;
wxRegKey key(wxRegKey::HKCR, strKey + wxT("\\command"));
wxString command;
if ( key.Open(wxRegKey::Read) ) {
// it's the default value of the key
if ( key.QueryValue(wxEmptyString, command) ) {
bool foundFilename = CanonicalizeParams(command);
#if wxUSE_IPC
// look whether we must issue some DDE requests to the application
// (and not just launch it)
strKey += wxT("\\DDEExec");
wxRegKey keyDDE(wxRegKey::HKCR, strKey);
if ( keyDDE.Open(wxRegKey::Read) ) {
wxString ddeCommand, ddeServer, ddeTopic;
keyDDE.QueryValue(wxEmptyString, ddeCommand);
ddeCommand.Replace(wxT("%1"), wxT("%s"));
wxRegKey keyServer(wxRegKey::HKCR, strKey + wxT("\\Application"));
keyServer.QueryValue(wxEmptyString, ddeServer);
wxRegKey keyTopic(wxRegKey::HKCR, strKey + wxT("\\Topic"));
keyTopic.QueryValue(wxEmptyString, ddeTopic);
if (ddeTopic.empty())
ddeTopic = wxT("System");
// HACK: we use a special feature of wxExecute which exists
// just because we need it here: it will establish DDE
// conversation with the program it just launched
command.Prepend(wxT("WX_DDE#"));
command << wxT('#') << ddeServer
<< wxT('#') << ddeTopic
<< wxT('#') << ddeCommand;
}
else
#endif // wxUSE_IPC
if ( !foundFilename )
{
// we didn't find any '%1' - the application doesn't know which
// file to open (note that we only do it if there is no DDEExec
// subkey)
//
// HACK: append the filename at the end, hope that it will do
command << wxT(" %s");
}
}
}
//else: no such file type or no value, will return empty string
return command;
}
wxString wxFileTypeImpl::GetCommand(const wxString& verb) const
{
// suppress possible error messages
wxLogNull nolog;
wxString strKey;
// Since Windows Vista the association used by Explorer is different from
// the association information stored in the traditional part of the
// registry. Unfortunately the new schema doesn't seem to be documented
// anywhere so using it involves a bit of guesswork:
//
// The information is stored under Explorer-specific key whose path is
// below. The interesting part is UserChoice subkey which is the only one
// we use so far but there is also OpenWithProgids subkey which can exist
// even if UserChoice doesn't. However in practice there doesn't seem to be
// any cases when OpenWithProgids values for the given extension are
// different from those found directly under HKCR\.ext, so for now we don't
// bother to use this, apparently the programs registering their file type
// associations do it in both places. We do use UserChoice because when the
// association is manually changed by the user it's only recorded there and
// so must override whatever value was created under HKCR by the setup
// program.
{
wxRegKey explorerKey
(
wxRegKey::HKCU,
wxT("Software\\Microsoft\\Windows\\CurrentVersion\\")
wxT("Explorer\\FileExts\\") +
m_ext +
wxT("\\UserChoice")
);
if ( explorerKey.Open(wxRegKey::Read) &&
explorerKey.QueryValue(wxT("Progid"), strKey) )
{
strKey = wxFileTypeImplGetCurVer(strKey);
}
}
if (!strKey && wxRegKey(wxRegKey::HKCR, m_ext + wxT("\\shell")).Exists())
strKey = m_ext;
if ( !strKey && !m_strFileType.empty())
{
wxString fileType = wxFileTypeImplGetCurVer(m_strFileType);
if (wxRegKey(wxRegKey::HKCR, fileType + wxT("\\shell")).Exists())
strKey = fileType;
}
if ( !strKey )
{
// no info
return wxEmptyString;
}
strKey << wxT("\\shell\\") << verb;
wxRegKey key(wxRegKey::HKCR, strKey + wxT("\\command"));
wxString command;
if ( key.Open(wxRegKey::Read) ) {
// it's the default value of the key
if ( key.QueryValue(wxEmptyString, command) ) {
bool foundFilename = CanonicalizeParams(command);
#if wxUSE_IPC
// look whether we must issue some DDE requests to the application
// (and not just launch it)
strKey += wxT("\\DDEExec");
wxRegKey keyDDE(wxRegKey::HKCR, strKey);
if ( keyDDE.Open(wxRegKey::Read) ) {
wxString ddeCommand, ddeServer, ddeTopic;
keyDDE.QueryValue(wxEmptyString, ddeCommand);
// in some cases "DDEExec" subkey exists but has no value, we
// shouldn't use DDE in this case
if ( !ddeCommand.empty() ) {
ddeCommand.Replace(wxT("%1"), wxT("%s"));
wxRegKey keyServer(wxRegKey::HKCR, strKey + wxT("\\Application"));
keyServer.QueryValue(wxEmptyString, ddeServer);
wxRegKey keyTopic(wxRegKey::HKCR, strKey + wxT("\\Topic"));
keyTopic.QueryValue(wxEmptyString, ddeTopic);
if (ddeTopic.empty())
ddeTopic = wxT("System");
// HACK: we use a special feature of wxExecute which exists
// just because we need it here: it will establish DDE
// conversation with the program it just launched
command.Prepend(wxT("WX_DDE#"));
command << wxT('#') << ddeServer
<< wxT('#') << ddeTopic
<< wxT('#') << ddeCommand;
}
}
else
#endif // wxUSE_IPC
if ( !foundFilename )
{
// we didn't find any '%1' - the application doesn't know which
// file to open (note that we only do it if there is no DDEExec
// subkey)
//
// HACK: append the filename at the end, hope that it will do
command << wxT(" %s");
}
}
}
//else: no such file type or no value, will return empty string
return command;
}
static bool wxLaunchDefaultBrowserBaseImpl(const wxString& url, int flags)
{
wxUnusedVar(flags);
#if defined(__WXMSW__)
#if wxUSE_IPC
if ( flags & wxBROWSER_NEW_WINDOW )
{
// ShellExecuteEx() opens the URL in an existing window by default so
// we can't use it if we need a new window
wxURI uri(url);
wxRegKey key(wxRegKey::HKCR, uri.GetScheme() + _T("\\shell\\open"));
if ( !key.Exists() )
{
// try default browser, it must be registered at least for http URLs
key.SetName(wxRegKey::HKCR, _T("http\\shell\\open"));
}
if ( key.Exists() )
{
wxRegKey keyDDE(key, wxT("DDEExec"));
if ( keyDDE.Exists() )
{
// we only know the syntax of WWW_OpenURL DDE request for IE,
// optimistically assume that all other browsers are compatible
// with it
static const wxString TOPIC_OPEN_URL = wxT("WWW_OpenURL");
wxString ddeCmd;
wxRegKey keyTopic(keyDDE, wxT("topic"));
bool ok = keyTopic.Exists() && (keyTopic.QueryDefaultValue() = TOPIC_OPEN_URL);
if ( ok )
{
ddeCmd = keyDDE.QueryDefaultValue();
ok = !ddeCmd.empty();
}
if ( ok )
{
// for WWW_OpenURL, the index of the window to open the URL
// in is -1 (meaning "current") by default, replace it with
// 0 which means "new" (see KB article 160957)
ok = ddeCmd.Replace(wxT("-1"), wxT("0"),
false /* only first occurence */) == 1;
}
if ( ok )
{
// and also replace the parameters: the topic should
// contain a placeholder for the URL
ok = ddeCmd.Replace(wxT("%1"), url, false) == 1;
}
if ( ok )
{
// try to send it the DDE request now but ignore the errors
wxLogNull noLog;
const wxString ddeServer = wxRegKey(keyDDE, wxT("application")).QueryDefaultValue();
if ( wxExecuteDDE(ddeServer, TOPIC_OPEN_URL, ddeCmd) )
return true;
// this is not necessarily an error: maybe browser is
// simply not running, but no matter, in any case we're
// going to launch it using ShellExecuteEx() below now and
// we shouldn't try to open a new window if we open a new
// browser anyhow
}
}
}
}
#endif // wxUSE_IPC
WinStruct<SHELLEXECUTEINFO> sei;
sei.lpFile = url.c_str();
sei.lpVerb = _T("open");
sei.nShow = SW_SHOWNORMAL;
sei.fMask = SEE_MASK_FLAG_NO_UI; // we give error message ourselves
BOOL nExecResult = ::ShellExecuteEx(&sei);
//From MSDN for wince
//hInstApp member is only valid if the function fails, in which case it
//receives one of the following error values, which are less than or
//equal to 32.
const int nResult = (int) sei.hInstApp;
// Firefox returns file not found for some reason, so make an exception
// for it
if ( nResult > 32 || nResult == SE_ERR_FNF || nExecResult == TRUE )
{
#ifdef __WXDEBUG__
// Log something if SE_ERR_FNF happens
if ( nResult == SE_ERR_FNF || nExecResult == FALSE )
wxLogDebug(wxT("SE_ERR_FNF from ShellExecute -- maybe FireFox?"));
#endif // __WXDEBUG__
return true;
}
#elif defined(__WXMAC__)
OSStatus err;
ICInstance inst;
long int startSel;
long int endSel;
err = ICStart(&inst, 'STKA'); // put your app creator code here
if (err == noErr)
{
#if !TARGET_CARBON
err = ICFindConfigFile(inst, 0, NULL);
#endif
if (err == noErr)
{
ConstStr255Param hint = 0;
startSel = 0;
endSel = url.length();
err = ICLaunchURL(inst, hint, url.fn_str(), endSel, &startSel, &endSel);
if (err != noErr)
wxLogDebug(wxT("ICLaunchURL error %d"), (int) err);
}
ICStop(inst);
return true;
}
else
{
wxLogDebug(wxT("ICStart error %d"), (int) err);
return false;
}
#else
// (non-Mac, non-MSW)
#ifdef __UNIX__
// Our best best is to use xdg-open from freedesktop.org cross-desktop
// compatibility suite xdg-utils
// (see http://portland.freedesktop.org/wiki/) -- this is installed on
// most modern distributions and may be tweaked by them to handle
// distribution specifics. Only if that fails, try to find the right
// browser ourselves.
wxString path, xdg_open;
if ( wxGetEnv(_T("PATH"), &path) &&
wxFindFileInPath(&xdg_open, path, _T("xdg-open")) )
{
if ( wxExecute(xdg_open + _T(" ") + url) )
return true;
}
wxString desktop = wxTheApp->GetTraits()->GetDesktopEnvironment();
// GNOME and KDE desktops have some applications which should be always installed
// together with their main parts, which give us the
if (desktop == wxT("GNOME"))
{
wxArrayString errors;
wxArrayString output;
// gconf will tell us the path of the application to use as browser
long res = wxExecute( wxT("gconftool-2 --get /desktop/gnome/applications/browser/exec"),
output, errors, wxEXEC_NODISABLE );
if (res >= 0 && errors.GetCount() == 0)
{
wxString cmd = output[0];
cmd << _T(' ') << url;
if (wxExecute(cmd))
return true;
}
}
else if (desktop == wxT("KDE"))
{
// kfmclient directly opens the given URL
if (wxExecute(wxT("kfmclient openURL ") + url))
return true;
}
#endif
bool ok = false;
wxString cmd;
#if wxUSE_MIMETYPE
wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(_T("html"));
if ( ft )
{
wxString mt;
ft->GetMimeType(&mt);
ok = ft->GetOpenCommand(&cmd, wxFileType::MessageParameters(url));
delete ft;
}
#endif // wxUSE_MIMETYPE
if ( !ok || cmd.empty() )
{
// fallback to checking for the BROWSER environment variable
cmd = wxGetenv(wxT("BROWSER"));
if ( !cmd.empty() )
cmd << _T(' ') << url;
}
ok = ( !cmd.empty() && wxExecute(cmd) );
if (ok)
return ok;
// no file type for HTML extension
wxLogError(_T("No default application configured for HTML files."));
#endif // !wxUSE_MIMETYPE && !__WXMSW__
return false;
}
bool wxDoLaunchDefaultBrowser(const wxString& url, const wxString& scheme, int flags)
{
wxUnusedVar(flags);
#if wxUSE_IPC
if ( flags & wxBROWSER_NEW_WINDOW )
{
// ShellExecuteEx() opens the URL in an existing window by default so
// we can't use it if we need a new window
wxRegKey key(wxRegKey::HKCR, scheme + wxT("\\shell\\open"));
if ( !key.Exists() )
{
// try the default browser, it must be registered at least for http URLs
key.SetName(wxRegKey::HKCR, wxT("http\\shell\\open"));
}
if ( key.Exists() )
{
wxRegKey keyDDE(key, wxT("DDEExec"));
if ( keyDDE.Exists() )
{
// we only know the syntax of WWW_OpenURL DDE request for IE,
// optimistically assume that all other browsers are compatible
// with it
static const wxChar *TOPIC_OPEN_URL = wxT("WWW_OpenURL");
wxString ddeCmd;
wxRegKey keyTopic(keyDDE, wxT("topic"));
bool ok = keyTopic.Exists() &&
keyTopic.QueryDefaultValue() == TOPIC_OPEN_URL;
if ( ok )
{
ddeCmd = keyDDE.QueryDefaultValue();
ok = !ddeCmd.empty();
}
if ( ok )
{
// for WWW_OpenURL, the index of the window to open the URL
// in is -1 (meaning "current") by default, replace it with
// 0 which means "new" (see KB article 160957)
ok = ddeCmd.Replace(wxT("-1"), wxT("0"),
false /* only first occurrence */) == 1;
}
if ( ok )
{
// and also replace the parameters: the topic should
// contain a placeholder for the URL
ok = ddeCmd.Replace(wxT("%1"), url, false) == 1;
}
if ( ok )
{
// try to send it the DDE request now but ignore the errors
wxLogNull noLog;
const wxString ddeServer = wxRegKey(keyDDE, wxT("application"));
if ( wxExecuteDDE(ddeServer, TOPIC_OPEN_URL, ddeCmd) )
return true;
// this is not necessarily an error: maybe browser is
// simply not running, but no matter, in any case we're
// going to launch it using ShellExecuteEx() below now and
// we shouldn't try to open a new window if we open a new
// browser anyhow
}
}
}
}
#endif // wxUSE_IPC
WinStruct<SHELLEXECUTEINFO> sei;
sei.lpFile = url.c_str();
sei.lpVerb = wxT("open");
sei.nShow = SW_SHOWNORMAL;
sei.fMask = SEE_MASK_FLAG_NO_UI; // we give error message ourselves
if ( ::ShellExecuteEx(&sei) )
return true;
return false;
}