Settings searching support.

Also tightened up the layouts.

src/GUI/DownloadSettings.qml

@@ -10,7 +10,7 @@ Section {
         description: "FlightGear can automatically download scenery as needed, and check for updates to "
             + "the scenery. If you disable this option, you will need to download & install scenery "
             + "using an alternative method."
-        keywords: ["terrasync", "download"]
+        keywords: ["terrasync", "download", "scenery"]
         option: "terrasync"
     }
 
@@ -27,6 +27,8 @@ Section {
         defaultPath: _config.defaultDownloadDir
         option: "download-dir"
         dialogPrompt: "Choose a location to store download files."
+
+        keywords: ["download", "storage", "disk"]
     }
 
     onApply: {

src/GUI/LauncherMainWindow.cxx

@@ -311,8 +311,8 @@ void LauncherMainWindow::buildSettingsSections()
     settingsVBox->addWidget(m_extraSettings);
     settingsVBox->addStretch(1);
 
-    // disable search for the moment, not implemented
-    m_ui->settingsSearchEdit->hide();
+    connect(m_ui->settingsSearchEdit, &QLineEdit::textChanged,
+            this, &LauncherMainWindow::onSettingsSearchChanged);
 }
 
 void LauncherMainWindow::buildEnvironmentSections()
@@ -1089,3 +1089,10 @@ void LauncherMainWindow::onChangeDataDir()
     flightgear::restartTheApp();
 }
 
+void LauncherMainWindow::onSettingsSearchChanged()
+{
+    Q_FOREACH(SettingsSectionQML* ss, findChildren<SettingsSectionQML*>()) {
+        ss->setSearchTerm(m_ui->settingsSearchEdit->text());
+    }
+}
+

src/GUI/LauncherMainWindow.hxx

@@ -108,6 +108,8 @@ private slots:
     void onAircraftPathsChanged();
 
     void onChangeDataDir();
+
+    void onSettingsSearchChanged();
 private:
 
     /**

src/GUI/MPSettings.qml

@@ -12,7 +12,7 @@ Section {
         description: "Flightgear supporters maintain a network of server to enable global multi-user "
             + "flight. This requires a moderately fast Inernet connection to be usable. Your aircraft "
             + "will be visible to other users online, and you will see their aircraft."
-        keywords: ["network", "mp"]
+        keywords: ["network", "mp", "multiplay","online"]
     }
 
     LineEdit {
@@ -23,6 +23,7 @@ Section {
                      "how ATC services and other pilots will refer to you. " +
                      "(Maximum of ten charatcers permitted)"
         placeholder: "D-FGFS"
+        keywords: ["callsign", "handle", "name"]
     }
 
     Combo {
@@ -33,6 +34,8 @@ Section {
         model: _mpServers
 
         readonly property bool currentIsCustom: (model.serverForIndex(selectedIndex) == "__custom__")
+
+        keywords: ["server", "hostname"]
     }
 
     Connections

src/GUI/RenderSettings.qml

@@ -23,6 +23,8 @@ Section {
             "effects and more. However, not all aircraft appear correctly and performance will " +
             "depend greatly on your system hardware."
         ]
+
+        keywords: ["als", "rembrandt", "render", "shadow"]
     }
 
     Combo {
@@ -31,7 +33,7 @@ Section {
         description: "Anti-aliasing improves the appearance of high-contrast edges and lines." +
         "This is especially noticeable on sloping or diagonal egdes. " +
         "Higher settings can reduce performance."
-        keywords: ["msaa"]
+        keywords: ["msaa", "anti", "aliasing", "multi", "sample"]
         choices: ["Off", "2x", "4x"]
         enabled: !rembrandt
         property var data: [0, 2, 4];

src/GUI/SettingsSectionQML.cxx

@@ -17,13 +17,14 @@ SettingsSectionQML::SettingsSectionQML()
 
 void SettingsSectionQML::internalUpdateAdvanced()
 {
+    const bool showAdvanced = m_showAdvanced | m_forceShowAdvanced;
     Q_FOREACH (SettingsControl* w, controls()) {
         if (w->advanced()) {
-            w->setVisible(m_showAdvanced);
+            w->setVisible(showAdvanced);
         }
 
         if (w->property("simple").toBool()) {
-            w->setVisible(!m_showAdvanced);
+            w->setVisible(!showAdvanced);
         }
     }
 }
@@ -159,3 +160,13 @@ void SettingsSectionQML::setSummary(QString summary)
     emit qmlSummaryChanged(summary);
     emit summaryChanged(summary);
 }
+
+void SettingsSectionQML::setSearchTerm(QString search)
+{
+    m_forceShowAdvanced = false;
+    Q_FOREACH(SettingsControl* control, controls()) {
+        const bool matches = control->setSearchTerm(search);
+        m_forceShowAdvanced |= (matches && control->advanced());
+    }
+    internalUpdateAdvanced();
+}

src/GUI/SettingsSectionQML.hxx

@@ -36,6 +36,7 @@ public:
 public slots:
     void setSummary(QString summary);
 
+    void setSearchTerm(QString search);
 signals:
     void controlsChanged();
 
@@ -63,6 +64,7 @@ private:
     void updateShowAdvanced() override;
     QString m_summary;
     QObjectList m_controls;
+    bool m_forceShowAdvanced; ///< overrides show-advanced when searching
 };
 
 #endif // SETTINGSSECTIONQML_HXX

src/GUI/SettingsWidgets.cxx

@@ -14,64 +14,13 @@
 #include <QQmlEngine>
 #include <QQmlContext>
 #include <QDateTimeEdit>
+#include <QPainter>
 
 #include "LaunchConfig.hxx"
 
-SettingsCheckbox::SettingsCheckbox(QWidget* parent) :
-    SettingsControl(parent)
-{
-    QVBoxLayout* vbox = new QVBoxLayout(this);
-    setLayout(vbox);
-    m_check = new QCheckBox(this);
-    vbox->addWidget(m_check);
-    createDescription();
-    vbox->addWidget(m_description);
-    connect(m_check, &QCheckBox::toggled, this, &SettingsCheckbox::checkedChanged);
-}
+const int MARGIN_HINT = 4;
 
-QString SettingsCheckbox::label() const
-{
-    return m_check->text();
-}
-
-bool SettingsCheckbox::isChecked() const
-{
-    return m_check->isChecked();
-}
-
-void SettingsCheckbox::setChecked(bool checked)
-{
-    if (checked == isChecked()) {
-        return;
-    }
-
-    m_check->setChecked(checked);
-    emit checkedChanged(checked);
-}
-
-void SettingsCheckbox::setLabel(QString label)
-{
-    m_check->setText(label);
-}
-
-void SettingsCheckbox::apply(LaunchConfig* lconfig) const
-{
-    if (option().isEmpty()) {
-        return;
-    }
-
-    lconfig->setEnableDisableOption(option(), isChecked());
-}
-
-void SettingsCheckbox::saveState(QSettings &settings) const
-{
-    settings.setValue(qmlName(), isChecked());
-}
-
-void SettingsCheckbox::restoreState(QSettings &settings)
-{
-    setChecked(settings.value(qmlName(), isChecked()).toBool());
-}
+/////////////////////////////////////////////////////////////////////////////////
 
 QString SettingsControl::label() const
 {
@@ -97,6 +46,24 @@ QString SettingsControl::option() const
     return m_option;
 }
 
+bool SettingsControl::setSearchTerm(QString search)
+{
+    bool inSearch = false;
+    // only show matches when search string is at least three characters,
+    // to avoid many hits when the user starts typing
+    if (search.length() > 2) {
+        Q_FOREACH(QString k, m_keywords) {
+            if (k.indexOf(search, 0, Qt::CaseInsensitive) >= 0) {
+                inSearch = true;
+            }
+        }
+    }
+
+    setProperty("search-result", inSearch);
+    update();
+    return inSearch;
+}
+
 void SettingsControl::setAdvanced(bool advanced)
 {
     if (m_advanced == advanced)
@@ -158,13 +125,91 @@ QString SettingsControl::qmlName() const
     return s;
 }
 
+void SettingsControl::paintEvent(QPaintEvent *pe)
+{
+    QWidget::paintEvent(pe);
+
+    if (property("search-result").toBool()) {
+        QPainter painter(this);
+        painter.setRenderHints(QPainter::Antialiasing);
+        QPen pen(QColor("#7f7f7fff"), 1);
+        painter.setPen(pen);
+        painter.setBrush(QColor("#2f7f7fff"));
+        painter.drawRoundedRect(rect(), 8, 8);
+    }
+}
+
+/////////////////////////////////////////////////////////////////////////////////
+
+SettingsCheckbox::SettingsCheckbox(QWidget* parent) :
+    SettingsControl(parent)
+{
+    QVBoxLayout* vbox = new QVBoxLayout(this);
+    vbox->setMargin(MARGIN_HINT);
+    setLayout(vbox);
+    m_check = new QCheckBox(this);
+    vbox->addWidget(m_check);
+    createDescription();
+    vbox->addWidget(m_description);
+    connect(m_check, &QCheckBox::toggled, this, &SettingsCheckbox::checkedChanged);
+}
+
+QString SettingsCheckbox::label() const
+{
+    return m_check->text();
+}
+
+bool SettingsCheckbox::isChecked() const
+{
+    return m_check->isChecked();
+}
+
+void SettingsCheckbox::setChecked(bool checked)
+{
+    if (checked == isChecked()) {
+        return;
+    }
+
+    m_check->setChecked(checked);
+    emit checkedChanged(checked);
+}
+
+void SettingsCheckbox::setLabel(QString label)
+{
+    m_check->setText(label);
+}
+
+void SettingsCheckbox::apply(LaunchConfig* lconfig) const
+{
+    if (option().isEmpty()) {
+        return;
+    }
+
+    lconfig->setEnableDisableOption(option(), isChecked());
+}
+
+void SettingsCheckbox::saveState(QSettings &settings) const
+{
+    settings.setValue(qmlName(), isChecked());
+}
+
+void SettingsCheckbox::restoreState(QSettings &settings)
+{
+    setChecked(settings.value(qmlName(), isChecked()).toBool());
+}
+
+/////////////////////////////////////////////////////////////////////////////////
+
 SettingsComboBox::SettingsComboBox(QWidget *pr) :
     SettingsControl(pr)
 {
     QVBoxLayout* vbox = new QVBoxLayout(this);
     setLayout(vbox);
+    vbox->setMargin(MARGIN_HINT);
 
     QHBoxLayout* hbox = new QHBoxLayout;
+    hbox->setMargin(MARGIN_HINT);
+
     vbox->addLayout(hbox);
     m_combo = new QComboBox(this);
 
@@ -274,9 +319,12 @@ SettingsIntSpinbox::SettingsIntSpinbox(QWidget *pr) :
     SettingsControl(pr)
 {
     QVBoxLayout* vbox = new QVBoxLayout(this);
+    vbox->setMargin(MARGIN_HINT);
     setLayout(vbox);
 
     QHBoxLayout* hbox = new QHBoxLayout;
+    hbox->setMargin(MARGIN_HINT);
+
     vbox->addLayout(hbox);
     m_spin = new QSpinBox(this);
 
@@ -362,9 +410,11 @@ SettingsText::SettingsText(QWidget *pr) :
     SettingsControl(pr)
 {
     QVBoxLayout* vbox = new QVBoxLayout(this);
+    vbox->setMargin(MARGIN_HINT);
     setLayout(vbox);
 
     QHBoxLayout* hbox = new QHBoxLayout;
+    hbox->setMargin(MARGIN_HINT);
     vbox->addLayout(hbox);
     m_edit = new QLineEdit(this);
 
@@ -442,9 +492,11 @@ SettingsPath::SettingsPath(QWidget *pr) :
     SettingsControl(pr)
 {
     QVBoxLayout* vbox = new QVBoxLayout(this);
+    vbox->setMargin(MARGIN_HINT);
     setLayout(vbox);
 
     QHBoxLayout* hbox = new QHBoxLayout;
+    hbox->setMargin(MARGIN_HINT);
     vbox->addLayout(hbox);
 
     m_changeButton = new QPushButton(tr("Change"), this);
@@ -581,9 +633,11 @@ SettingsDateTime::SettingsDateTime(QWidget *pr) :
     SettingsControl(pr)
 {
     QVBoxLayout* vbox = new QVBoxLayout(this);
+    vbox->setMargin(MARGIN_HINT);
     setLayout(vbox);
 
     QHBoxLayout* hbox = new QHBoxLayout;
+    hbox->setMargin(MARGIN_HINT);
     vbox->addLayout(hbox);
 
     m_edit = new QDateTimeEdit;

src/GUI/SettingsWidgets.hxx

@@ -42,7 +42,13 @@ public:
 
     virtual void restoreState(QSettings& settings) = 0;
 
-
+    /**
+     * @brief setSearchTerm - update the search term and decide if this control
+     * should e highlighted or not.
+     * @param search - the text being searched
+     * @return - if this control matched the search term or not
+     */
+    bool setSearchTerm(QString search);
 public slots:
     void setAdvanced(bool advanced);
 
@@ -70,6 +76,8 @@ protected:
     QString qmlName() const;
 
     QLabel* m_description = nullptr;
+
+    void paintEvent(QPaintEvent* pe) override;
 private:
     bool m_advanced = false;
     QStringList m_keywords;

src/GUI/ViewSettings.qml

@@ -8,7 +8,7 @@ Section {
         id: fullscreen
         label: "Start full-screen"
         description: "Start the simulator in full-screen mode"
-        keywords: ["window", "full", "screen"]
+        keywords: ["window", "full", "screen", "maximize"]
         option: "fullscreen"
     }
 
@@ -21,6 +21,8 @@ Section {
         choices: ["640x480", "800x600", "1024x768", "1920x1080", "2560x1600" ]
         defaultIndex: 2
         readonly property bool isDefault: selectedIndex == defaultIndex
+        keywords: ["window", "geometry", "size", "resolution"]
+
     }
 
     onApply: {

src/GUI/settingssection.cpp

@@ -28,6 +28,7 @@ SettingsSection::SettingsSection(QWidget* pr) :
 
     if (!layout()) {
         QVBoxLayout* vbox = new QVBoxLayout(this);
+        vbox->setMargin(4);
         setLayout(vbox);
     }
 }