Moved font cache dialog to OpenSCADApp

src/MainWindow.h

@@ -251,15 +251,12 @@ public slots:
 	void waitAfterReload();
 	void autoReloadSet(bool);
 	void setContentsChanged();
-	void showFontCacheDialog();
-	void hideFontCacheDialog();
 
 private:
 	static void report_func(const class AbstractNode*, void *vp, int mark);
 	static bool mdiMode;
 	static bool undockMode;
 	static bool reorderMode;
-	static class QProgressDialog *fontCacheDialog;
 
 	shared_ptr<class CSGNode> csgRoot;           // Result of the CSGTreeEvaluator
 	shared_ptr<CSGNode> normalizedRoot;          // Normalized CSG tree

src/OpenSCADApp.cc

@@ -1,12 +1,14 @@
 #include "OpenSCADApp.h"
 #include "MainWindow.h"
-#include <iostream>
 #ifdef Q_OS_MAC
 #include "EventFilter.h"
 #endif
 
+#include <QProgressDialog>
+#include <iostream>
+
 OpenSCADApp::OpenSCADApp(int &argc ,char **argv)
-	: QApplication(argc, argv)
+	: QApplication(argc, argv), fontCacheDialog(NULL)
 {
 #ifdef Q_OS_MAC
 	this->installEventFilter(new EventFilter(this));
@@ -15,6 +17,7 @@ OpenSCADApp::OpenSCADApp(int &argc ,char **argv)
 
 OpenSCADApp::~OpenSCADApp()
 {
+	delete this->fontCacheDialog;
 }
 
 bool OpenSCADApp::notify(QObject *object, QEvent *event)
@@ -45,3 +48,18 @@ void OpenSCADApp::requestOpenFile(const QString &filename)
 	new MainWindow(filename);
 }
 
+void OpenSCADApp::showFontCacheDialog()
+{
+	if (!this->fontCacheDialog) this->fontCacheDialog = new QProgressDialog();
+	this->fontCacheDialog->setLabelText(_("Fontconfig needs to update its font cache.\nThis can take up to a couple of minutes."));
+	this->fontCacheDialog->setMinimum(0);
+	this->fontCacheDialog->setMaximum(0);
+	this->fontCacheDialog->setCancelButton(0);
+	this->fontCacheDialog->exec();
+}
+
+void OpenSCADApp::hideFontCacheDialog()
+{
+	assert(this->fontCacheDialog);
+	this->fontCacheDialog->reset();
+}

src/OpenSCADApp.h

@@ -14,7 +14,15 @@ class OpenSCADApp : public QApplication
 	bool notify(QObject *object, QEvent *event);
 	void requestOpenFile(const QString &filename);
 
+public slots:
+	void showFontCacheDialog();
+	void hideFontCacheDialog();
+
+public:
 	WindowManager windowManager;
+
+private:
+	class QProgressDialog *fontCacheDialog;
 };
 
 #define scadApp (static_cast<OpenSCADApp *>(QCoreApplication::instance()))

src/mainwin.cc

@@ -171,8 +171,6 @@ bool MainWindow::mdiMode = false;
 bool MainWindow::undockMode = false;
 bool MainWindow::reorderMode = false;
 
-QProgressDialog *MainWindow::fontCacheDialog = NULL;
-
 MainWindow::MainWindow(const QString &filename)
 	: root_inst("group"), library_info_dialog(NULL), font_list_dialog(NULL), procevents(false), tempFile(NULL), progresswidget(NULL), contentschanged(false)
 {
@@ -2765,20 +2763,3 @@ void MainWindow::setContentsChanged()
 	this->contentschanged = true;
 }
 
-void MainWindow::showFontCacheDialog()
-{
-	if (!MainWindow::fontCacheDialog) MainWindow::fontCacheDialog = new QProgressDialog;	
-	QProgressDialog *dialog = MainWindow::fontCacheDialog;
-
-	dialog->setLabelText(_("Fontconfig needs to update its font cache.\nThis can take up to a couple of minutes."));
-	dialog->setMinimum(0);
-	dialog->setMaximum(0);
-	dialog->setCancelButton(0);
-	dialog->exec();
-}
-
-void MainWindow::hideFontCacheDialog()
-{
-	assert(MainWindow::fontCacheDialog);
-	MainWindow::fontCacheDialog->reset();
-}

src/openscad.cc

@@ -616,23 +616,21 @@ void dialogThreadFunc(FontCacheInitializer *initializer)
 
 void dialogInitHandler(FontCacheInitializer *initializer, void *)
 {
-	MainWindow *mainw = *scadApp->windowManager.getWindows().begin();
-
 	QFutureWatcher<void> futureWatcher;
-	QObject::connect(&futureWatcher, SIGNAL(finished()), mainw, SLOT(hideFontCacheDialog()));
+	QObject::connect(&futureWatcher, SIGNAL(finished()), scadApp, SLOT(hideFontCacheDialog()));
 
 	QFuture<void> future = QtConcurrent::run(boost::bind(dialogThreadFunc, initializer));
 	futureWatcher.setFuture(future);
 
 	// We don't always get the started() signal, so we start manually
-	QMetaObject::invokeMethod(mainw, "showFontCacheDialog");
+	QMetaObject::invokeMethod(scadApp, "showFontCacheDialog");
 
 	// Block, in case we're in a separate thread, or the dialog was closed by the user
 	futureWatcher.waitForFinished();
 
 	// We don't always receive the finished signal. We still need the signal to break 
 	// out of the exec() though.
-	QMetaObject::invokeMethod(mainw, "hideFontCacheDialog");
+	QMetaObject::invokeMethod(scadApp, "hideFontCacheDialog");
 }
 
 int gui(vector<string> &inputFiles, const fs::path &original_path, int argc, char ** argv)