Update qgis/qt/osg plugin Mac-bundled search paths

- Ensure Qt plugins path is set before Qt references a plugin, e.g. before splash screen
- Strip old Mac-native 'find bundle path' code for simple 'if it is there, use it' code based off of QCoreApplication::applicationDirPath()

Author: dakcarto

src/app/main.cpp

@@ -813,6 +813,36 @@ int main( int argc, char *argv[] )
     }
   }
 
+  // For non static builds on mac and win (static builds are not supported)
+  // we need to be sure we can find the qt image
+  // plugins. In mac be sure to look in the
+  // application bundle...
+#ifdef Q_WS_WIN
+  QCoreApplication::addLibraryPath( QApplication::applicationDirPath()
+                                    + QDir::separator() + "qtplugins" );
+#endif
+#ifdef Q_OS_MACX
+  // IMPORTANT: do before Qt uses any plugins, e.g. before loading splash screen
+  QString  myPath( QCoreApplication::applicationDirPath().append( "/../PlugIns" ) );
+  // Check if it contains a standard Qt-specific plugin subdirectory
+  if ( !QFile::exists( myPath + "/imageformats" ) )
+  {
+    // We are either running from build dir bundle, or launching binary directly.
+    // Use system Qt plugins, since they are not bundled.
+    // An app bundled with QGIS_MACAPP_BUNDLE=0 will still have Plugins/qgis in it
+    myPath = QT_PLUGINS_DIR;
+  }
+
+  // First clear the plugin search paths so we can be sure only plugins we define
+  // are being used. Note: this strips QgsApplication::pluginPath()
+  QStringList myPathList;
+  QCoreApplication::setLibraryPaths( myPathList );
+
+  QgsDebugMsg( QString( "Adding Mac QGIS and Qt plugins dirs to search path: %1" ).arg( myPath ) );
+  QCoreApplication::addLibraryPath( QgsApplication::pluginPath() );
+  QCoreApplication::addLibraryPath( myPath );
+#endif
+
   //set up splash screen
   QString mySplashPath( QgsCustomization::instance()->splashPath() );
   QPixmap myPixmap( mySplashPath + QString( "splash.png" ) );
@@ -828,58 +858,6 @@ int main( int argc, char *argv[] )
     mypSplash->show();
   }
 
-  // For non static builds on mac and win (static builds are not supported)
-  // we need to be sure we can find the qt image
-  // plugins. In mac be sure to look in the
-  // application bundle...
-#ifdef Q_WS_WIN
-  QCoreApplication::addLibraryPath( QApplication::applicationDirPath()
-                                    + QDir::separator() + "qtplugins" );
-#endif
-#ifdef Q_OS_MACX
-  //qDebug("Adding qt image plugins to plugin search path...");
-  CFURLRef myBundleRef = CFBundleCopyBundleURL( CFBundleGetMainBundle() );
-  CFStringRef myMacPath = CFURLCopyFileSystemPath( myBundleRef, kCFURLPOSIXPathStyle );
-  const char *mypPathPtr = CFStringGetCStringPtr( myMacPath, CFStringGetSystemEncoding() );
-  CFRelease( myBundleRef );
-  CFRelease( myMacPath );
-  QString myPath( mypPathPtr );
-  // if we are not in a bundle assume that the app is built
-  // as a non bundle app and that image plugins will be
-  // in system Qt frameworks. If the app is a bundle
-  // lets try to set the qt plugin search path...
-  QFileInfo myInfo( myPath );
-  if ( myInfo.isBundle() )
-  {
-    // First clear the plugin search paths so we can be sure
-    // only plugins from the bundle are being used
-    QStringList myPathList;
-    QCoreApplication::setLibraryPaths( myPathList );
-    // Now set the paths inside the bundle
-    myPath += "/Contents/Plugins";
-    QCoreApplication::addLibraryPath( myPath );
-    if ( QgsApplication::isRunningFromBuildDir() || QGIS_MACAPP_BUNDLE == 0 )
-    {
-      QCoreApplication::addLibraryPath( QT_PLUGINS_DIR );
-    }
-    //next two lines should not be needed, testing only
-#if 0
-    QCoreApplication::addLibraryPath( myPath + "/imageformats" );
-    QCoreApplication::addLibraryPath( myPath + "/sqldrivers" );
-    foreach ( myPath, myApp.libraryPaths() )
-    {
-      qDebug( "Path:" + myPath.toLocal8Bit() );
-    }
-    qDebug( "Added %s to plugin search path", qPrintable( myPath ) );
-    QList<QByteArray> myFormats = QImageReader::supportedImageFormats();
-    for ( int x = 0; x < myFormats.count(); ++x )
-    {
-      qDebug( "Format: " + myFormats[x] );
-    }
-#endif
-  }
-#endif
-
   QgisApp *qgis = new QgisApp( mypSplash, myRestorePlugins ); // "QgisApp" used to find canonical instance
   qgis->setObjectName( "QgisApp" );
 

src/plugins/globe/globe_plugin.cpp

@@ -111,10 +111,11 @@ GlobePlugin::GlobePlugin( QgisInterface* theQgisInterface )
   {
     // OSG_PLUGINS_PATH value set by CMake option
     QString ogsPlugins( OSG_PLUGINS_PATH );
-    if ( QGIS_MACAPP_BUNDLE > 0 && !QgsApplication::isRunningFromBuildDir() )
+    QString bundlePlugins = QgsApplication::pluginPath() + "/../osgPlugins";
+    if ( QFile::exists( bundlePlugins ) )
     {
       // add internal osg plugin path if bundled osg
-      ogsPlugins = QgsApplication::pluginPath() + "/../osgPlugins";
+      ogsPlugins = bundlePlugins;
     }
     if ( QFile::exists( ogsPlugins ) )
     {