+void HIMETRICToPixel(LONG *x, LONG *y)
+{
+ HIMETRICToPixel(x, y, ScreenHDC());
+}
+
+void PixelToHIMETRIC(LONG *x, LONG *y)
+{
+ PixelToHIMETRIC(x, y, ScreenHDC());
+}
+
+void wxDrawLine(HDC hdc, int x1, int y1, int x2, int y2)
+{
+#ifdef __WXWINCE__
+ POINT points[2];
+ points[0].x = x1;
+ points[0].y = y1;
+ points[1].x = x2;
+ points[1].y = y2;
+ Polyline(hdc, points, 2);
+#else
+ MoveToEx(hdc, x1, y1, NULL); LineTo((HDC) hdc, x2, y2);
+#endif
+}
+
+
+// ----------------------------------------------------------------------------
+// Shell API wrappers
+// ----------------------------------------------------------------------------
+
+extern bool wxEnableFileNameAutoComplete(HWND hwnd)
+{
+#if wxUSE_DYNLIB_CLASS
+ typedef HRESULT (WINAPI *SHAutoComplete_t)(HWND, DWORD);
+
+ static SHAutoComplete_t s_pfnSHAutoComplete = NULL;
+ static bool s_initialized = false;
+
+ if ( !s_initialized )
+ {
+ s_initialized = true;
+
+ wxLogNull nolog;
+ wxDynamicLibrary dll(wxT("shlwapi.dll"));
+ if ( dll.IsLoaded() )
+ {
+ s_pfnSHAutoComplete =
+ (SHAutoComplete_t)dll.GetSymbol(wxT("SHAutoComplete"));
+ if ( s_pfnSHAutoComplete )
+ {
+ // won't be unloaded until the process termination, no big deal
+ dll.Detach();
+ }
+ }
+ }
+
+ if ( !s_pfnSHAutoComplete )
+ return false;
+
+ HRESULT hr = s_pfnSHAutoComplete(hwnd, 0x10 /* SHACF_FILESYS_ONLY */);
+ if ( FAILED(hr) )
+ {
+ wxLogApiError(wxT("SHAutoComplete"), hr);
+ return false;
+ }
+
+ return true;
+#else
+ wxUnusedVar(hwnd);
+ return false;
+#endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS
+}
+
+// ----------------------------------------------------------------------------
+// Launch document with default app
+// ----------------------------------------------------------------------------
+
+bool wxLaunchDefaultApplication(const wxString& document, int flags)
+{
+ wxUnusedVar(flags);
+
+ WinStruct<SHELLEXECUTEINFO> sei;
+ sei.lpFile = document.wx_str();
+ sei.lpVerb = wxT("open");
+#ifdef __WXWINCE__
+ sei.nShow = SW_SHOWNORMAL; // SW_SHOWDEFAULT not defined under CE (#10216)
+#else
+ sei.nShow = SW_SHOWDEFAULT;
+#endif
+
+ // avoid Windows message box in case of error for consistency with
+ // wxLaunchDefaultBrowser() even if don't show the error ourselves in this
+ // function
+ sei.fMask = SEE_MASK_FLAG_NO_UI;
+
+ if ( ::ShellExecuteEx(&sei) )
+ return true;
+
+ return false;
+}
+
+// ----------------------------------------------------------------------------
+// Launch default browser
+// ----------------------------------------------------------------------------
+
+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