expose screen Tracker interval value

--different hardware can have different delays
in order to inform for screen changes. The tracker
(an internal timer that is) informs Latte after
a specific interval in order to track these changes
and respond accordingly.

app/dock/dockview.cpp

@@ -117,10 +117,18 @@ DockView::DockView(Plasma::Corona *corona, QScreen *targetScreen, bool dockWindo
         connect(this->containment(), SIGNAL(statusChanged(Plasma::Types::ItemStatus)), SLOT(statusChanged(Plasma::Types::ItemStatus)));
     }, Qt::DirectConnection);
 
+    m_screenSyncTimer.setSingleShot(true);
+    m_screenSyncTimer.setInterval(2000);
+    connect(&m_screenSyncTimer, &QTimer::timeout, this, &DockView::reconsiderScreen);
 
     auto *dockCorona = qobject_cast<DockCorona *>(this->corona());
 
     if (dockCorona) {
+        m_screenSyncTimer.setInterval(qMax(dockCorona->universalSettings()->screenTrackerInterval() - 500, 1000));
+        connect(dockCorona->universalSettings(), &UniversalSettings::screenTrackerIntervalChanged, this, [this, dockCorona]() {
+            m_screenSyncTimer.setInterval(qMax(dockCorona->universalSettings()->screenTrackerInterval() - 500, 1000));
+        });
+
         connect(dockCorona, &DockCorona::docksCountChanged, this, &DockView::docksCountChanged);
         connect(this, &DockView::docksCountChanged, this, &DockView::totalDocksCountChanged);
         connect(dockCorona, &DockCorona::dockLocationChanged, this, &DockView::dockLocationChanged);
@@ -132,10 +140,6 @@ DockView::DockView(Plasma::Corona *corona, QScreen *targetScreen, bool dockWindo
             }
         });
     }
-
-    m_screenSyncTimer.setSingleShot(true);
-    m_screenSyncTimer.setInterval(2000);
-    connect(&m_screenSyncTimer, &QTimer::timeout, this, &DockView::reconsiderScreen);
 }
 
 DockView::~DockView()

app/dockcorona.cpp

@@ -116,8 +116,11 @@ DockCorona::DockCorona(bool defaultLayoutOnStartup, QString layoutNameOnStartUp,
     connect(m_activityConsumer, &KActivities::Consumer::serviceStatusChanged, this, &DockCorona::load);
 
     m_docksScreenSyncTimer.setSingleShot(true);
-    m_docksScreenSyncTimer.setInterval(2500);
+    m_docksScreenSyncTimer.setInterval(m_universalSettings->screenTrackerInterval());
     connect(&m_docksScreenSyncTimer, &QTimer::timeout, this, &DockCorona::syncDockViewsToScreens);
+    connect(m_universalSettings, &UniversalSettings::screenTrackerIntervalChanged, this, [this]() {
+        m_docksScreenSyncTimer.setInterval(m_universalSettings->screenTrackerInterval());
+    });
 
     //! Dbus adaptor initialization
     new LatteDockAdaptor(this);

app/settingsdialog.cpp

@@ -61,6 +61,9 @@ const int COLORCOLUMN = 1;
 const int NAMECOLUMN = 2;
 const int MENUCOLUMN = 3;
 const int ACTIVITYCOLUMN = 4;
+
+const int SCREENTRACKERDEFAULTVALUE = 2500;
+
 const QChar CheckMark{0x2714};
 
 SettingsDialog::SettingsDialog(QWidget *parent, DockCorona *corona)
@@ -122,6 +125,8 @@ SettingsDialog::SettingsDialog(QWidget *parent, DockCorona *corona)
     m_mouseSensitivityButtons->addButton(ui->highSensitivityBtn, Latte::Dock::HighSensitivity);
     m_mouseSensitivityButtons->setExclusive(true);
 
+    ui->screenTrackerSpinBox->setValue(m_corona->universalSettings()->screenTrackerInterval());
+
     //! About Menu
     QMenuBar *menuBar = new QMenuBar(this);
     // QMenuBar *rightAlignedMenuBar = new QMenuBar(menuBar);
@@ -163,17 +168,13 @@ SettingsDialog::SettingsDialog(QWidget *parent, DockCorona *corona)
         updateApplyButtonsState();
     });
 
-    connect(ui->autostartChkBox, &QCheckBox::stateChanged, this, [&]() {
+    connect(ui->screenTrackerSpinBox, QOverload<int>::of(&QSpinBox::valueChanged), [ = ](int i) {
         updateApplyButtonsState();
     });
 
-    connect(ui->infoWindowChkBox, &QCheckBox::stateChanged, this, [&]() {
-        updateApplyButtonsState();
-    });
-
-    connect(ui->tabWidget, &QTabWidget::currentChanged, this, [&]() {
-        updateApplyButtonsState();
-    });
+    connect(ui->autostartChkBox, &QCheckBox::stateChanged, this, &SettingsDialog::updateApplyButtonsState);
+    connect(ui->infoWindowChkBox, &QCheckBox::stateChanged, this, &SettingsDialog::updateApplyButtonsState);
+    connect(ui->tabWidget, &QTabWidget::currentChanged, this, &SettingsDialog::updateApplyButtonsState);
 
     connect(aboutAction, &QAction::triggered, m_corona, &DockCorona::aboutApplication);
     connect(quitAction, &QAction::triggered, m_corona, &DockCorona::closeApplication);
@@ -684,6 +685,7 @@ void SettingsDialog::restoreDefaults()
         ui->autostartChkBox->setChecked(true);
         ui->infoWindowChkBox->setChecked(true);
         ui->highSensitivityBtn->setChecked(true);
+        ui->screenTrackerSpinBox->setValue(SCREENTRACKERDEFAULTVALUE);
     }
 }
 
@@ -844,6 +846,7 @@ QList<int> SettingsDialog::currentSettings()
     settings << (int)ui->autostartChkBox->isChecked();
     settings << (int)ui->infoWindowChkBox->isChecked();
     settings << m_mouseSensitivityButtons->checkedId();
+    settings << ui->screenTrackerSpinBox->value();
     settings << m_model->rowCount();
 
     return settings;
@@ -1079,7 +1082,7 @@ void SettingsDialog::updateApplyButtonsState()
         //! Defaults for general Latte settings
 
         if (!ui->autostartChkBox->isChecked() || !ui->infoWindowChkBox->isChecked()
-            || !ui->highSensitivityBtn->isChecked()) {
+            || !ui->highSensitivityBtn->isChecked() || ui->screenTrackerSpinBox->value() != SCREENTRACKERDEFAULTVALUE) {
             ui->buttonBox->button(QDialogButtonBox::RestoreDefaults)->setEnabled(true);
         } else {
             ui->buttonBox->button(QDialogButtonBox::RestoreDefaults)->setEnabled(false);
@@ -1196,7 +1199,7 @@ bool SettingsDialog::saveAllChanges()
     m_corona->universalSettings()->setMouseSensitivity(sensitivity);
     m_corona->universalSettings()->setAutostart(autostart);
     m_corona->universalSettings()->setShowInfoWindow(showInfoWindow);
-
+    m_corona->universalSettings()->setScreenTrackerInterval(ui->screenTrackerSpinBox->value());
 
     //! Update Layouts
     QStringList knownActivities = activities();

app/settingsdialog.ui

@@ -220,7 +220,7 @@
               <item>
                <widget class="QPushButton" name="copyButton">
                 <property name="toolTip">
-                 <string>Copy layout</string>
+                 <string>Copy selected layout</string>
                 </property>
                 <property name="text">
                  <string comment="copy layout">Copy</string>
@@ -237,7 +237,7 @@
               <item>
                <widget class="QPushButton" name="removeButton">
                 <property name="toolTip">
-                 <string>Remove layout</string>
+                 <string>Remove selected layout</string>
                 </property>
                 <property name="text">
                  <string comment="remove layout">Remove</string>
@@ -311,7 +311,7 @@
               <item>
                <widget class="QPushButton" name="importButton">
                 <property name="toolTip">
-                 <string>Import layout or full configuration</string>
+                 <string>Import a layout or full configuration file</string>
                 </property>
                 <property name="text">
                  <string comment="import layout">Import</string>
@@ -328,7 +328,7 @@
               <item>
                <widget class="QPushButton" name="exportButton">
                 <property name="toolTip">
-                 <string>Export layout or full configuration</string>
+                 <string>Export selected layout or full configuration into a file</string>
                 </property>
                 <property name="text">
                  <string comment="export layout">Export</string>
@@ -342,7 +342,7 @@
               <item>
                <widget class="QPushButton" name="downloadButton">
                 <property name="toolTip">
-                 <string>Download online layouts</string>
+                 <string>Download community layouts from the Internet</string>
                 </property>
                 <property name="text">
                  <string comment="download layout">Download</string>
@@ -398,7 +398,7 @@
           <number>0</number>
          </property>
          <property name="verticalScrollBarPolicy">
-          <enum>Qt::ScrollBarAlwaysOn</enum>
+          <enum>Qt::ScrollBarAsNeeded</enum>
          </property>
          <property name="horizontalScrollBarPolicy">
           <enum>Qt::ScrollBarAlwaysOff</enum>
@@ -411,8 +411,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>785</width>
-            <height>505</height>
+            <width>794</width>
+            <height>496</height>
            </rect>
           </property>
           <layout class="QHBoxLayout" name="horizontalLayout_9">
@@ -491,6 +491,9 @@
                </item>
                <item>
                 <widget class="QCheckBox" name="autostartChkBox">
+                 <property name="toolTip">
+                  <string>Start the application automaticaly after each relogin</string>
+                 </property>
                  <property name="text">
                   <string>Enable autostart during startup</string>
                  </property>
@@ -519,7 +522,7 @@
                <item>
                 <widget class="QCheckBox" name="infoWindowChkBox">
                  <property name="toolTip">
-                  <string/>
+                  <string>Provide visual feedback when layouts are added automatically</string>
                  </property>
                  <property name="text">
                   <string>Show informative window for layouts automatic switching</string>
@@ -665,6 +668,139 @@
                  </item>
                 </layout>
                </item>
+               <item>
+                <spacer name="horizontalSpacer_8">
+                 <property name="orientation">
+                  <enum>Qt::Horizontal</enum>
+                 </property>
+                 <property name="sizeType">
+                  <enum>QSizePolicy::Fixed</enum>
+                 </property>
+                 <property name="sizeHint" stdset="0">
+                  <size>
+                   <width>20</width>
+                   <height>20</height>
+                  </size>
+                 </property>
+                </spacer>
+               </item>
+              </layout>
+             </item>
+             <item>
+              <spacer name="verticalSpacer_9">
+               <property name="orientation">
+                <enum>Qt::Vertical</enum>
+               </property>
+               <property name="sizeType">
+                <enum>QSizePolicy::Fixed</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>20</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+             <item>
+              <widget class="QLabel" name="delayLbl">
+               <property name="font">
+                <font>
+                 <weight>75</weight>
+                 <bold>true</bold>
+                </font>
+               </property>
+               <property name="text">
+                <string>Delay</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <layout class="QHBoxLayout" name="horizontalLayout_10">
+               <item>
+                <spacer name="horizontalSpacer_7">
+                 <property name="orientation">
+                  <enum>Qt::Horizontal</enum>
+                 </property>
+                 <property name="sizeType">
+                  <enum>QSizePolicy::Fixed</enum>
+                 </property>
+                 <property name="sizeHint" stdset="0">
+                  <size>
+                   <width>20</width>
+                   <height>20</height>
+                  </size>
+                 </property>
+                </spacer>
+               </item>
+               <item>
+                <widget class="QLabel" name="trackScreensDelayLbl">
+                 <property name="toolTip">
+                  <string>Different hardware can have different delays during screen changes.
+This tracker is used in order to not lose any screen related update.</string>
+                 </property>
+                 <property name="text">
+                  <string>Track screen changes after</string>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <widget class="QSpinBox" name="screenTrackerSpinBox">
+                 <property name="sizePolicy">
+                  <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+                   <horstretch>0</horstretch>
+                   <verstretch>0</verstretch>
+                  </sizepolicy>
+                 </property>
+                 <property name="maximumSize">
+                  <size>
+                   <width>200</width>
+                   <height>16777215</height>
+                  </size>
+                 </property>
+                 <property name="toolTip">
+                  <string>Different hardware can have different delays during screen changes.
+This tracker is used in order to not lose any screen related update.</string>
+                 </property>
+                 <property name="alignment">
+                  <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+                 </property>
+                 <property name="specialValueText">
+                  <string/>
+                 </property>
+                 <property name="suffix">
+                  <string> ms.</string>
+                 </property>
+                 <property name="minimum">
+                  <number>1000</number>
+                 </property>
+                 <property name="maximum">
+                  <number>5000</number>
+                 </property>
+                 <property name="singleStep">
+                  <number>100</number>
+                 </property>
+                 <property name="value">
+                  <number>2500</number>
+                 </property>
+                </widget>
+               </item>
+               <item>
+                <spacer name="horizontalSpacer_9">
+                 <property name="orientation">
+                  <enum>Qt::Horizontal</enum>
+                 </property>
+                 <property name="sizeType">
+                  <enum>QSizePolicy::Fixed</enum>
+                 </property>
+                 <property name="sizeHint" stdset="0">
+                  <size>
+                   <width>20</width>
+                   <height>20</height>
+                  </size>
+                 </property>
+                </spacer>
+               </item>
               </layout>
              </item>
              <item>

app/universalsettings.cpp

@@ -42,6 +42,7 @@ UniversalSettings::UniversalSettings(KSharedConfig::Ptr config, QObject *parent)
     connect(this, &UniversalSettings::layoutsMemoryUsageChanged, this, &UniversalSettings::saveConfig);
     connect(this, &UniversalSettings::layoutsWindowSizeChanged, this, &UniversalSettings::saveConfig);
     connect(this, &UniversalSettings::mouseSensitivityChanged, this, &UniversalSettings::saveConfig);
+    connect(this, &UniversalSettings::screenTrackerIntervalChanged, this, &UniversalSettings::saveConfig);
     connect(this, &UniversalSettings::showInfoWindowChanged, this, &UniversalSettings::saveConfig);
     connect(this, &UniversalSettings::versionChanged, this, &UniversalSettings::saveConfig);
 }
@@ -100,6 +101,21 @@ void UniversalSettings::setVersion(int ver)
     emit versionChanged();
 }
 
+int UniversalSettings::screenTrackerInterval() const
+{
+    return m_screenTrackerInterval;
+}
+
+void UniversalSettings::setScreenTrackerInterval(int duration)
+{
+    if (m_screenTrackerInterval == duration) {
+        return;
+    }
+
+    m_screenTrackerInterval = duration;
+    emit screenTrackerIntervalChanged();
+}
+
 QString UniversalSettings::currentLayoutName() const
 {
     return m_currentLayoutName;
@@ -269,6 +285,7 @@ void UniversalSettings::loadConfig()
     m_layoutsWindowSize = m_universalGroup.readEntry("layoutsWindowSize", QSize(700, 450));
     m_layoutsColumnWidths = m_universalGroup.readEntry("layoutsColumnWidths", QStringList());
     m_launchers = m_universalGroup.readEntry("launchers", QStringList());
+    m_screenTrackerInterval = m_universalGroup.readEntry("screenTrackerInterval", 2500);
     m_showInfoWindow = m_universalGroup.readEntry("showInfoWindow", true);
     m_memoryUsage = static_cast<Dock::LayoutsMemoryUsage>(m_universalGroup.readEntry("memoryUsage", (int)Dock::SingleLayout));
     m_mouseSensitivity = static_cast<Dock::MouseSensitivity>(m_universalGroup.readEntry("mouseSensitivity", (int)Dock::HighSensitivity));
@@ -283,6 +300,7 @@ void UniversalSettings::saveConfig()
     m_universalGroup.writeEntry("layoutsWindowSize", m_layoutsWindowSize);
     m_universalGroup.writeEntry("layoutsColumnWidths", m_layoutsColumnWidths);
     m_universalGroup.writeEntry("launchers", m_launchers);
+    m_universalGroup.writeEntry("screenTrackerInterval", m_screenTrackerInterval);
     m_universalGroup.writeEntry("showInfoWindow", m_showInfoWindow);
     m_universalGroup.writeEntry("memoryUsage", (int)m_memoryUsage);
     m_universalGroup.writeEntry("mouseSensitivity", (int)m_mouseSensitivity);

app/universalsettings.h

@@ -64,6 +64,9 @@ public:
     int version() const;
     void setVersion(int ver);
 
+    int screenTrackerInterval() const;
+    void setScreenTrackerInterval(int duration);
+
     QString currentLayoutName() const;
     void setCurrentLayoutName(QString layoutName);
 
@@ -107,6 +110,7 @@ signals:
     void layoutsMemoryUsageChanged();
     void mouseSensitivityChanged();
     void runningActivitiesModelChanged();
+    void screenTrackerIntervalChanged();
     void showInfoWindowChanged();
     void versionChanged();
 
@@ -126,6 +130,8 @@ private:
     //when there isnt a version it is an old universal file
     int m_version{1};
 
+    int m_screenTrackerInterval{2500};
+
     QString m_currentLayoutName;
     QString m_lastNonAssignedLayoutName;
     QSize m_downloadWindowSize{800, 550};