Launcher: add ‘show console’ setting on Windows

This entailed fixing the handling of the visibility property with an
override from the QWidget basic version.

src/GUI/GeneralSettings.qml

@@ -24,9 +24,22 @@ Section {
         option: "auto-coordination"
     }
 
+    Checkbox {
+        id: showConsoleWin
+        label: "Show debugging console"
+        description: "Open a console window showing debug output from the application."
+        advanced: true
+        visible: _osName == "win"
+        keywords: ["console"]
+    }
+
     onApply: {
         if (startPaused.checked) {
             _config.setArg("enable-freeze")
         }
+
+        if (showConsoleWin.checked) {
+            _config.setArg("console")
+        }
     }
 }

src/GUI/LauncherMainWindow.cxx

@@ -284,6 +284,15 @@ void LauncherMainWindow::initQML()
     m_qmlEngine->rootContext()->setContextProperty("_launcher", this);
     m_qmlEngine->rootContext()->setContextProperty("_mpServers", m_serversModel);
 
+#if defined(Q_OS_WIN)
+    const QString osName("win");
+#elif defined(Q_OS_MAC)
+    const QString osName("mac");
+#else
+    const QString osName("unix");
+#endif
+    m_qmlEngine->rootContext()->setContextProperty("_osName", osName);
+
     flightgear::WeatherScenariosModel* weatherScenariosModel = new flightgear::WeatherScenariosModel(this);
     m_qmlEngine->rootContext()->setContextProperty("_weatherScenarios", weatherScenariosModel);
 }

src/GUI/SettingsSection.cxx

@@ -105,10 +105,12 @@ void SettingsSection::internalUpdateAdvanced()
 
 void SettingsSection::saveState(QSettings &settings) const
 {
+    Q_UNUSED(settings)
 }
 
 void SettingsSection::restoreState(QSettings &settings)
 {
+    Q_UNUSED(settings)
 }
 
 void SettingsSection::updateShowAdvanced()

src/GUI/SettingsSection.hxx

@@ -21,7 +21,7 @@ public:
 
     virtual void setLaunchConfig(LaunchConfig* config);
 
-    bool showAdvanced() const
+    virtual bool showAdvanced() const
     {
         return m_showAdvanced;
     }

src/GUI/SettingsSectionQML.cxx

@@ -19,13 +19,7 @@ void SettingsSectionQML::internalUpdateAdvanced()
 {
     const bool showAdvanced = m_showAdvanced | m_forceShowAdvanced;
     Q_FOREACH (SettingsControl* w, controls()) {
-        if (w->advanced()) {
-            w->setVisible(showAdvanced);
-        }
-
-        if (w->property("simple").toBool()) {
-            w->setVisible(!showAdvanced);
-        }
+        w->updateWidgetVisibility(showAdvanced);
     }
 }
 
@@ -151,6 +145,11 @@ QVariant SettingsSectionQML::restoreSetting(QString key)
     return settings.value(key);
 }
 
+bool SettingsSectionQML::showAdvanced() const
+{
+    return m_showAdvanced | m_forceShowAdvanced;
+}
+
 void SettingsSectionQML::setSummary(QString summary)
 {
     if (m_summary == summary)

src/GUI/SettingsSectionQML.hxx

@@ -33,6 +33,8 @@ public:
 
     Q_INVOKABLE void saveSetting(QString key, QVariant value);
     Q_INVOKABLE QVariant restoreSetting(QString key);
+
+     bool showAdvanced() const override;
 public slots:
     void setSummary(QString summary);
 

src/GUI/SettingsWidgets.cxx

@@ -17,6 +17,7 @@
 #include <QPainter>
 
 #include "LaunchConfig.hxx"
+#include "SettingsSection.hxx"
 
 const int MARGIN_HINT = 4;
 
@@ -64,6 +65,11 @@ bool SettingsControl::setSearchTerm(QString search)
     return inSearch;
 }
 
+bool SettingsControl::qmlVisible() const
+{
+    return m_localVisible;
+}
+
 void SettingsControl::setAdvanced(bool advanced)
 {
     if (m_advanced == advanced)
@@ -104,6 +110,17 @@ void SettingsControl::setOption(QString option)
     emit optionChanged(option);
 }
 
+void SettingsControl::setQmlVisible(bool visible)
+{
+    if (m_localVisible == visible)
+        return;
+
+    m_localVisible = visible;
+    SettingsSection* section = qobject_cast<SettingsSection*>(parent());
+    updateWidgetVisibility(section->showAdvanced());
+    emit qmlVisibleChanged(visible);
+}
+
 SettingsControl::SettingsControl(QWidget *pr) :
     QWidget(pr)
 {
@@ -139,6 +156,17 @@ void SettingsControl::paintEvent(QPaintEvent *pe)
     }
 }
 
+void SettingsControl::updateWidgetVisibility(bool showAdvanced)
+{
+    if (advanced()) {
+        setVisible(m_localVisible & showAdvanced);
+    } else if (property("simple").toBool()) {
+        setVisible(m_localVisible & !showAdvanced);
+    } else {
+        setVisible(m_localVisible);
+    }
+}
+
 /////////////////////////////////////////////////////////////////////////////////
 
 SettingsCheckbox::SettingsCheckbox(QWidget* parent) :

src/GUI/SettingsWidgets.hxx

@@ -24,6 +24,9 @@ class SettingsControl : public QWidget
     Q_PROPERTY(QString description READ description WRITE setDescription NOTIFY descriptionChanged)
     Q_PROPERTY(QStringList keywords READ keywords WRITE setKeywords NOTIFY keywordsChanged)
     Q_PROPERTY(QString option READ option WRITE setOption NOTIFY optionChanged)
+
+    Q_PROPERTY(bool visible READ qmlVisible WRITE setQmlVisible NOTIFY qmlVisibleChanged)
+
 public:
 
     bool advanced() const
@@ -49,6 +52,9 @@ public:
      * @return - if this control matched the search term or not
      */
     bool setSearchTerm(QString search);
+    bool qmlVisible() const;
+
+    void updateWidgetVisibility(bool showAdvanced);
 public slots:
     void setAdvanced(bool advanced);
 
@@ -61,6 +67,8 @@ public slots:
 
     void setOption(QString option);
 
+    void setQmlVisible(bool visible);
+
 signals:
     void advancedChanged(bool advanced);
     void labelChanged();
@@ -68,6 +76,8 @@ signals:
     void keywordsChanged(QStringList keywords);
     void optionChanged(QString option);
 
+    void qmlVisibleChanged(bool visible);
+
 protected:
     SettingsControl(QWidget* pr = nullptr);
 
@@ -78,10 +88,13 @@ protected:
     QLabel* m_description = nullptr;
 
     void paintEvent(QPaintEvent* pe) override;
+
+    void updateWidgetVisibility();
 private:
     bool m_advanced = false;
     QStringList m_keywords;
     QString m_option;
+    bool m_localVisible = true;
 };
 
 class SettingsCheckbox : public SettingsControl