Fix FTBFS due to hidden visibility

(cherry picked from commit 5347950651)

tools/designer/designer/designerapp.cpp

@@ -58,7 +58,7 @@ void set_splash_status( const QString &txt )
     splash->message( splashText, Qt::AlignRight|Qt::AlignTop );
 }
 
-DesignerApplication::DesignerApplication( int &argc, char **argv )
+Q_EXPORT DesignerApplication::DesignerApplication( int &argc, char **argv )
     : QApplication( argc, argv )
 {
 #if defined(Q_WS_WIN)
@@ -69,7 +69,7 @@ DesignerApplication::DesignerApplication( int &argc, char **argv )
 #endif
 }
 
-QSplashScreen *DesignerApplication::showSplash()
+Q_EXPORT QSplashScreen *DesignerApplication::showSplash()
 {
     QRect screen = QApplication::desktop()->screenGeometry();
     QSettings config;
@@ -101,7 +101,7 @@ void DesignerApplication::closeSplash()
 static QString *settings_key = 0;
 static QString *old_settings_key = 0;
 
-QString DesignerApplication::settingsKey()
+Q_EXPORT QString DesignerApplication::settingsKey()
 {
     if ( !settings_key )
 	settings_key = new QString( "/Qt Designer/" +

tools/designer/designer/mainwindow.cpp

@@ -129,7 +129,7 @@ extern void set_splash_status( const QString &txt );
 extern QObject* qwf_form_object;
 extern QString *qwf_plugin_dir;
 
-MainWindow *MainWindow::self = 0;
+Q_EXPORT MainWindow *MainWindow::self = 0;
 
 QString assistantPath()
 {
@@ -150,7 +150,7 @@ static QString textNoAccel( const QString& text)
 }
 
 
-MainWindow::MainWindow( bool asClient, bool single, const QString &plgDir )
+Q_EXPORT MainWindow::MainWindow( bool asClient, bool single, const QString &plgDir )
     : QMainWindow( 0, "designer_mainwindow", WType_TopLevel | (single ? 0 : WDestructiveClose) | WGroupLeader ),
       grd( 10, 10 ), sGrid( TRUE ), snGrid( TRUE ), restoreConfig( TRUE ), splashScreen( TRUE ),
       fileFilter( tr( "Qt User-Interface Files (*.ui)" ) ), client( asClient ),

tools/designer/designer/mainwindowactions.cpp

@@ -1188,7 +1188,7 @@ void MainWindow::projectInsertFile()
     fileOpen( "", "" );
 }
 
-void MainWindow::fileOpen( const QString &filter, const QString &extension, const QString &fn, bool inProject  )
+Q_EXPORT void MainWindow::fileOpen( const QString &filter, const QString &extension, const QString &fn, bool inProject  )
 {
     statusBar()->message( tr( "Open a file...") );
 
@@ -1291,7 +1291,7 @@ void MainWindow::fileOpen( const QString &filter, const QString &extension, cons
     }
 }
 
-FormWindow *MainWindow::openFormWindow( const QString &filename, bool validFileName, FormFile *ff )
+Q_EXPORT FormWindow *MainWindow::openFormWindow( const QString &filename, bool validFileName, FormFile *ff )
 {
     if ( filename.isEmpty() )
 	return 0;

tools/designer/designer/outputwindow.cpp

@@ -45,7 +45,7 @@
 #include <qpainter.h>
 
 static QTextEdit *debugoutput = 0;
-bool debugToStderr = FALSE;
+Q_EXPORT bool debugToStderr = FALSE;
 
 QtMsgHandler OutputWindow::oldMsgHandler = 0;
 

tools/designer/uic/embed.cpp

@@ -283,7 +283,7 @@ void Uic::embed( QTextStream& out, const char* project, const QStringList& image
 	out << "static QMimeSourceFactory* factory = 0;\n";
 	out << "\n";
 
-	out << "void qInitImages_" << cProject << "()\n";
+	out << "Q_EXPORT void qInitImages_" << cProject << "()\n";
 	out << "{\n";
 	out << "    if ( !factory ) {\n";
 	out << "\tfactory = new MimeSourceFactory_" << cProject << ";\n";