All subwindows are now centered on the screen.

src/ui/CommConfigurationWindow.cc

@@ -62,6 +62,11 @@ CommConfigurationWindow::CommConfigurationWindow(LinkInterface* link, ProtocolIn
     // Setup the user interface according to link type
     ui.setupUi(this);
 
+    // Center the window on the screen.
+    QRect position = frameGeometry();
+    position.moveCenter(QDesktopWidget().availableGeometry().center());
+    move(position.topLeft());
+
     // Initialize basic ui state
 
     // Do not allow changes here unless advanced is checked

src/ui/JoystickWidget.cc

 #include "JoystickWidget.h"
 #include "ui_JoystickWidget.h"
 #include <QDebug>
+#include <QDesktopWidget>
 
 JoystickWidget::JoystickWidget(JoystickInput* joystick, QWidget *parent) :
     QDialog(parent),
     m_ui(new Ui::JoystickWidget)
 {
     m_ui->setupUi(this);
-	clearKeys();
+
+    // Center the window on the screen.
+    QRect position = frameGeometry();
+    position.moveCenter(QDesktopWidget().availableGeometry().center());
+    move(position.topLeft());
+
+    clearKeys();
     this->joystick = joystick;
 
     m_ui->rollMapSpinBox->setValue(joystick->getMappingXAxis());

src/ui/QGCSettingsWidget.cc

@@ -18,6 +18,11 @@ QGCSettingsWidget::QGCSettingsWidget(QWidget *parent, Qt::WindowFlags flags) :
 {
     ui->setupUi(this);
 
+    // Center the window on the screen.
+    QRect position = frameGeometry();
+    position.moveCenter(QDesktopWidget().availableGeometry().center());
+    move(position.topLeft());
+
     // Add all protocols
     QList<ProtocolInterface*> protocols = LinkManager::instance()->getProtocols();
     foreach (ProtocolInterface* protocol, protocols) {