Allow wx parents a chance to handle events fired by non-wx children. (i.e. wxActiveX...

[wxWidgets.git] / src / common / utilscmn.cpp

diff --git a/src/common/utilscmn.cpp b/src/common/utilscmn.cpp
index eec174a934f7953413731cb56c5395c6e775a027..b048ccd3c6e617ebffabefdb593d7a95d3b15872 100644 (file)
--- a/src/common/utilscmn.cpp
+++ b/src/common/utilscmn.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        utilscmn.cpp
+// Name:        src/common/utilscmn.cpp

 // Purpose:     Miscellaneous utility functions and classes
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     Miscellaneous utility functions and classes
 // Author:      Julian Smart
 // Modified by:


@@ -17,17 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
-// Some older compilers (such as EMX) cannot handle
-// #pragma interface/implementation correctly, iff
-// #pragma implementation is used in _two_ translation
-// units (as created by e.g. event.cpp compiled for
-// libwx_base and event.cpp compiled for libwx_gui_core).
-// So we must not use those pragmas for those compilers in
-// such files.
-    #pragma implementation "utils.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -100,6 +89,7 @@
 
 #if defined(__WXMSW__)
     #include "wx/msw/private.h"
 
 #if defined(__WXMSW__)
     #include "wx/msw/private.h"

+    #include "wx/msw/registry.h"

 #endif
 
 #if wxUSE_BASE
 #endif
 
 #if wxUSE_BASE


@@ -108,11 +98,6 @@
 // common data
 // ----------------------------------------------------------------------------
 
 // common data
 // ----------------------------------------------------------------------------
 

-#if WXWIN_COMPATIBILITY_2_2
-    const wxChar *wxInternalErrorStr = wxT("wxWidgets Internal Error");
-    const wxChar *wxFatalErrorStr = wxT("wxWidgets Fatal Error");
-#endif // WXWIN_COMPATIBILITY_2_2
-

 // ============================================================================
 // implementation
 // ============================================================================
 // ============================================================================
 // implementation
 // ============================================================================


@@ -531,188 +516,130 @@ long wxExecute(const wxString& command,
 // Launch default browser
 // ----------------------------------------------------------------------------
 
 // Launch default browser
 // ----------------------------------------------------------------------------
 

-bool wxLaunchDefaultBrowser(const wxString& url)
+bool wxLaunchDefaultBrowser(const wxString& urlOrig, int flags)

 {
 {

-    bool success = true;
+    wxUnusedVar(flags);

 
 

-    wxString finalurl = url;
+    // set the scheme of url to http if it does not have one
+    wxString url(urlOrig);
+    if ( !wxURI(url).HasScheme() )
+        url.Prepend(wxT("http://"));

 
 

-    //if it isn't a full url, try appending http:// to it
-    if(wxURI(url).IsReference())
-        finalurl = wxString(wxT("http://")) + url;
-
-#if defined(__WXMSW__) && wxUSE_CONFIG_NATIVE
-
-    wxString command;
+#if defined(__WXMSW__)

 
 

-    // ShellExecute() always opens in the same window,
-    // so do it manually for new window (from Mahogany)
-    wxRegKey key(wxRegKey::HKCR, url.BeforeFirst(':') + wxT("\\shell\\open"));
-    if ( key.Exists() )
+#if wxUSE_IPC
+    if ( flags & wxBROWSER_NEW_WINDOW )

     {
     {

-        wxRegKey keyDDE(key, wxT("DDEExec"));
-        if ( keyDDE.Exists() )
+        // 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, url.BeforeFirst(':') + _T("\\shell\\open"));
+        if ( key.Exists() )

         {
         {

-            wxString ddeTopic = wxRegKey(keyDDE, wxT("topic"));
-
-            // we only know the syntax of WWW_OpenURL DDE request
-            if ( ddeTopic == wxT("WWW_OpenURL") )
+            wxRegKey keyDDE(key, wxT("DDEExec"));
+            if ( keyDDE.Exists() )

             {
             {

-                wxString ddeCmd = keyDDE;
+                const wxString ddeTopic = wxRegKey(keyDDE, wxT("topic"));
+
+                // we only know the syntax of WWW_OpenURL DDE request for IE,
+                // optimistically assume that all other browsers are compatible
+                // with it
+                wxString ddeCmd;
+                bool ok = ddeTopic == wxT("WWW_OpenURL");
+                if ( ok )
+                {
+                    ddeCmd = keyDDE.QueryDefaultValue();
+                    ok = !ddeCmd.empty();
+                }

 
 

-                // this is a bit naive but should work as -1 can't appear
-                // elsewhere in the DDE topic, normally
-                if ( ddeCmd.Replace(wxT("-1"), wxT("0"),
-                                    false /* only first occurence */) == 1 )
+                if ( ok )

                 {
                 {

-                    // and also replace the parameters
-                    if ( ddeCmd.Replace(wxT("%1"), url, false) == 1 )
-                    {
-                        // magic incantation understood by wxMSW
-                        command << wxT("WX_DDE#")
-                                << wxRegKey(key, wxT("command")).QueryDefaultValue() << wxT('#')
-                                << wxRegKey(keyDDE, wxT("application")).QueryDefaultValue()
-                                << wxT('#') << ddeTopic << wxT('#')
-                                << ddeCmd;
-                    }
+                    // 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"));
+                    if ( wxExecuteDDE(ddeServer, ddeTopic, 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

 
 

-    //Try wxExecute - if it doesn't work or the regkey stuff
-    //above failed, fallback to opening the file in the same
-    //browser window
-    if ( command.empty() || wxExecute(command) == -1)
-    {
-        int nResult; //HINSTANCE error code
-
-#if !defined(__WXWINCE__)
-        // CYGWIN and MINGW may have problems - so load ShellExecute
-        // dynamically
-        typedef HINSTANCE (WINAPI *LPShellExecute)(HWND hwnd, const wxChar* lpOperation,
-                                            const wxChar* lpFile,
-                                            const wxChar* lpParameters,
-                                            const wxChar* lpDirectory,
-                                            INT nShowCmd);
-
-        HINSTANCE hShellDll = ::LoadLibrary(wxT("shell32.dll"));
-        if(hShellDll == NULL)
-            return false;
-
-        LPShellExecute lpShellExecute =
-            (LPShellExecute) ::GetProcAddress(hShellDll,
-            wxString::Format(wxT("ShellExecute%s"),
-
-#if wxUSE_UNICODE
-            wxT("W")
-#else
-            wxT("A")
-#endif
-#ifdef __WXWINCE__
-                             )
-#else
-                             ).mb_str(wxConvLocal)
-#endif
-                             );
-        if(lpShellExecute == NULL)
-            return false;
-
-        // Windows sometimes doesn't open the browser correctly when using mime
-        // types, so do ShellExecute - i.e. start <url> (from James Carroll)
-        nResult = (int) (*lpShellExecute)(NULL, NULL, finalurl.c_str(),
-                                          NULL, wxT(""), SW_SHOWNORMAL);
-        // Unload Shell32.dll
-        ::FreeLibrary(hShellDll);
-#else
-        //Windows CE does not have normal ShellExecute - but it has
-        //ShellExecuteEx all the way back to version 1.0
-
-
-        //Set up the SHELLEXECUTEINFO structure to pass to ShellExecuteEx
-        SHELLEXECUTEINFO sei;
-        sei.cbSize = sizeof(SHELLEXECUTEINFO);
-        sei.dwHotKey = 0;
-        sei.fMask = 0;
-        sei.hIcon = NULL;
-        sei.hInstApp = NULL;
-        sei.hkeyClass = NULL;
-        // Not in WinCE
-#if 0
-        sei.hMonitor = NULL;
-#endif
-        sei.hProcess = NULL;
-        sei.hwnd = NULL;
-        sei.lpClass = NULL;
-        sei.lpDirectory = NULL;
-        sei.lpFile = finalurl.c_str();
-        sei.lpIDList = NULL;
-        sei.lpParameters = NULL;
-        sei.lpVerb = TEXT("open");
-        sei.nShow = SW_SHOWNORMAL;
-
-        //Call ShellExecuteEx
-        ShellExecuteEx(&sei);
-
-        //Get error code
-        nResult = (int) sei.hInstApp;
-#endif
+    WinStruct<SHELLEXECUTEINFO> sei;
+    sei.lpFile = url.c_str();
+    sei.lpVerb = _T("open");
+    sei.nShow = SW_SHOWNORMAL;
+
+    ::ShellExecuteEx(&sei);

 
 

-        // Hack for Firefox (returns file not found for some reason)
-        // from Angelo Mandato's wxHyperlinksCtrl
-        // HINSTANCE_ERROR == 32 (HINSTANCE_ERROR does not exist on Windows CE)
-        if (nResult <= 32 && nResult != SE_ERR_FNF)
-            return false;
+    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 )
+    {

 #ifdef __WXDEBUG__
         // Log something if SE_ERR_FNF happens
 #ifdef __WXDEBUG__
         // Log something if SE_ERR_FNF happens

-        if(nResult == SE_ERR_FNF)
-            wxLogDebug(wxT("Got SE_ERR_FNF from ShellExecute - maybe FireFox"));
-#endif
+        if ( nResult == SE_ERR_FNF )
+            wxLogDebug(wxT("SE_ERR_FNF from ShellExecute -- maybe FireFox?"));
+#endif // __WXDEBUG__
+        return true;

     }
     }

-

 #elif wxUSE_MIMETYPE
 #elif wxUSE_MIMETYPE

-

     // Non-windows way
     wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension (_T("html"));
     // Non-windows way
     wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension (_T("html"));

-    if (!ft)
+    if ( ft )

     {
     {

-        wxLogError(_T("No default application can open .html extension"));
-        return false;
-    }
-
-    wxString mt;
-    ft->GetMimeType(&mt);
+        wxString mt;
+        ft->GetMimeType(&mt);

 
 

-    wxString cmd;
-    bool ok = ft->GetOpenCommand (&cmd, wxFileType::MessageParameters(finalurl));
-    delete ft;
+        wxString cmd;
+        bool ok = ft->GetOpenCommand(&cmd, wxFileType::MessageParameters(url));
+        delete ft;

 
 

-    if (ok)
-    {
-        if( wxExecute (cmd, wxEXEC_ASYNC) == -1 )
+        if ( !ok || cmd.empty() )

         {
         {

-            wxLogError(_T("Failed to launch application for wxLaunchDefaultBrowser"));
-            return false;
+            // fallback to checking for the BROWSER environment variable
+            cmd = wxGetenv(wxT("BROWSER"));
+            if ( !cmd.empty() )
+                cmd << _T(' ') << url;

         }
         }

+
+        if ( !cmd.empty() && wxExecute(cmd) )
+            return true;

     }
     }

-    else
+    else // no file type for html extension

     {
     {

-        // fallback to checking for the BROWSER environment variable
-        cmd = wxGetenv(wxT("BROWSER"));
-        if ( cmd.empty() || wxExecute(cmd + wxT(" ") + finalurl) == -1)
-            return false;
+        wxLogError(_T("No default application configured for HTML files."));

     }
     }

+#endif // !wxUSE_MIMETYPE && !__WXMSW__

 
 

+    wxLogSysError(_T("Failed to open URL \"%s\" in default browser."),
+                  url.c_str());

 
 

-#else // !wxUSE_MIMETYPE && !(WXMSW && wxUSE_NATIVE_CONFIG)
-
-    success = false;
-
-#endif
-
-    //success - hopefully
-    return success;
+    return false;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1155,4 +1082,3 @@ bool wxSetDetectableAutoRepeat( bool WXUNUSED(flag) )
 #endif // !wxGTK
 
 #endif // wxUSE_GUI
 #endif // !wxGTK
 
 #endif // wxUSE_GUI

-