Add setting for showing date in status bar

As the title said.

Requested in plasma-mobile/plasma-settings#17

I marked it as a draft because there is a small regression which removes vertical alignment of right icons.

components/mobileshell/qml/statusbar/ClockText.qml

@@ -11,17 +11,34 @@ import QtQuick.Layouts 1.15
 import org.kde.plasma.plasma5support 2.0 as P5Support
 import org.kde.plasma.components 3.0 as PlasmaComponents
 import org.kde.plasma.private.mobileshell as MobileShell
+import org.kde.plasma.private.mobileshell.shellsettingsplugin as ShellSettings
 
 import org.kde.kirigami as Kirigami
 
-PlasmaComponents.Label {
+RowLayout {
-    id: clock
+    id: clockText
-    
+
+    required property int fontPixelSize
     required property P5Support.DataSource source
+
+    PlasmaComponents.Label {
+        id: clock
     
-    property bool is24HourTime: MobileShell.ShellUtil.isSystem24HourFormat
+        property bool is24HourTime: MobileShell.ShellUtil.isSystem24HourFormat
     
-    text: Qt.formatTime(source.data.Local.DateTime, is24HourTime ? "h:mm" : "h:mm ap")
+        text: Qt.formatTime(source.data.Local.DateTime, is24HourTime ? "h:mm" : "h:mm ap")
-    color: Kirigami.Theme.textColor
+        color: Kirigami.Theme.textColor
-    verticalAlignment: Qt.AlignVCenter
+        verticalAlignment: Qt.AlignVCenter
+        font.pixelSize: fontPixelSize
+     }
+
+    PlasmaComponents.Label {
+        id: date
+        visible: ShellSettings.Settings.dateInStatusBar && !root.showSecondRow
+
+        text: Qt.formatDate(source.data.Local.DateTime, "ddd. MMMM d")
+        color: Kirigami.Theme.textColor
+        verticalAlignment: Qt.AlignVCenter
+        font.pixelSize: fontPixelSize
+    }
 }

components/mobileshell/qml/statusbar/StatusBar.qml

@@ -113,7 +113,7 @@ Item {
                 ClockText {
                     visible: root.showTime
                     Layout.fillHeight: true
-                    font.pixelSize: textPixelSize
+                    fontPixelSize: textPixelSize
                     source: timeSource
                 }
 

components/shellsettingsplugin/mobileshellsettings.cpp

@@ -29,6 +29,7 @@ MobileShellSettings::MobileShellSettings(QObject *parent)
             Q_EMIT vibrationsEnabledChanged();
             Q_EMIT vibrationDurationChanged();
             Q_EMIT animationsEnabledChanged();
+            Q_EMIT dateInStatusBarChanged();
             Q_EMIT navigationPanelEnabledChanged();
             Q_EMIT alwaysShowKeyboardToggleOnNavigationPanelChanged();
             Q_EMIT keyboardButtonEnabledChanged();
@@ -79,6 +80,19 @@ void MobileShellSettings::setAnimationsEnabled(bool animationsEnabled)
     m_config->sync();
 }
 
+bool MobileShellSettings::dateInStatusBar() const
+{
+    auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};
+    return group.readEntry("dateInStatusBar", false);
+}
+
+void MobileShellSettings::setDateInStatusBar(bool dateInStatusBar)
+{
+    auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};
+    group.writeEntry("dateInStatusBar", dateInStatusBar, KConfigGroup::Notify);
+    m_config->sync();
+}
+
 bool MobileShellSettings::navigationPanelEnabled() const
 {
     auto group = KConfigGroup{m_config, GENERAL_CONFIG_GROUP};

components/shellsettingsplugin/mobileshellsettings.h

@@ -29,6 +29,9 @@ class MobileShellSettings : public QObject
     Q_PROPERTY(int vibrationDuration READ vibrationDuration WRITE setVibrationDuration NOTIFY vibrationDurationChanged)
     Q_PROPERTY(bool animationsEnabled READ animationsEnabled WRITE setAnimationsEnabled NOTIFY animationsEnabledChanged)
 
+    // status bar
+    Q_PROPERTY(bool dateInStatusBar READ dateInStatusBar WRITE setDateInStatusBar NOTIFY dateInStatusBarChanged)
+
     // navigation panel
     Q_PROPERTY(bool navigationPanelEnabled READ navigationPanelEnabled WRITE setNavigationPanelEnabled NOTIFY navigationPanelEnabledChanged)
     Q_PROPERTY(bool alwaysShowKeyboardToggleOnNavigationPanel READ alwaysShowKeyboardToggleOnNavigationPanel WRITE setAlwaysShowKeyboardToggleOnNavigationPanel
@@ -91,6 +94,20 @@ public:
      */
     void setAnimationsEnabled(bool animationsEnabled);
 
+    /**
+     * Whether date is shown in the status bar.
+     *
+     * If true, date will be shown in the status bar next to the clock.
+     */
+    bool dateInStatusBar() const;
+
+    /**
+     * Set whether date is shown in the status bar.
+     *
+     * @param dateInStatusBar Whether date is shown in the status bar.
+     */
+    void setDateInStatusBar(bool dateInStatusBar);
+
     /**
      * Whether the navigation panel is enabled.
      *
@@ -165,6 +182,7 @@ Q_SIGNALS:
     void alwaysShowKeyboardToggleOnNavigationPanelChanged();
     void keyboardButtonEnabledChanged();
     void animationsEnabledChanged();
+    void dateInStatusBarChanged();
     void taskSwitcherPreviewsEnabledChanged();
     void actionDrawerTopLeftModeChanged();
     void actionDrawerTopRightModeChanged();

kcms/mobileshell/ui/main.qml

@@ -49,6 +49,24 @@ KCM.SimpleKCM {
             }
         }
 
+        FormCard.FormHeader {
+            title: i18n("Status bar")
+        }
+
+        FormCard.FormCard {
+            FormCard.FormSwitchDelegate {
+                id: dateInStatusBar
+                text: i18n("Date in status bar")
+                description: i18n("If on, date will be shown next to the clock in the status bar.")
+                checked: ShellSettings.Settings.dateInStatusBar
+                onCheckedChanged: {
+                    if (checked != ShellSettings.Settings.dateInStatusBar) {
+                        ShellSettings.Settings.dateInStatusBar = checked;
+                    }
+                }
+            }
+        }
+
         FormCard.FormHeader {
             title: i18n("Navigation Panel")
         }