kcms/screenedges: Hardcode the Overview as an option in the touchscreen KCM

You can now select "Overview" in the touch KCM to use it as a touch edge gesture again!

src/kcms/screenedges/kwintouchscreensettings.kcfg

@@ -29,6 +29,11 @@
             <default>ElectricNone</default>
         </entry>
     </group>
+    <group name="Effect-overview">
+        <entry name="TouchBorderActivateOverview" key="TouchBorderActivate" type="IntList">
+            <default>ElectricNone</default>
+        </entry>
+    </group>
     <group name="TabBox">
         <entry name="TouchBorderActivateTabBox" key="TouchBorderActivate" type="IntList">
             <default>ElectricNone</default>

src/kcms/screenedges/touch.cpp

@@ -90,6 +90,7 @@ void KWinScreenEdgesConfig::save()
                                          QStringLiteral("/Effects"),
                                          QDBusConnection::sessionBus());
     interface.reconfigureEffect(QStringLiteral("windowview"));
+    interface.reconfigureEffect(QStringLiteral("overview"));
     for (const auto &effectId : std::as_const(m_effects)) {
         interface.reconfigureEffect(effectId);
     }
@@ -128,6 +129,8 @@ void KWinScreenEdgesConfig::monitorInit()
     m_form->monitorAddItem(i18n("%1 - Current Desktop", presentWindowsName));
     m_form->monitorAddItem(i18n("%1 - Current Application", presentWindowsName));
 
+    m_form->monitorAddItem(i18n("Overview"));
+
     m_form->monitorAddItem(i18n("Toggle window switching"));
     m_form->monitorAddItem(i18n("Toggle alternative window switching"));
 
@@ -183,6 +186,9 @@ void KWinScreenEdgesConfig::monitorLoadSettings()
     // PresentWindows BorderActivateClass
     m_form->monitorChangeEdge(m_data->settings()->touchBorderActivateClass(), PresentWindowsClass);
 
+    // Overview
+    m_form->monitorChangeEdge(m_data->settings()->touchBorderActivateOverview(), Overview);
+
     // TabBox BorderActivate
     m_form->monitorChangeEdge(m_data->settings()->touchBorderActivateTabBox(), TabBox);
     // Alternative TabBox
@@ -216,6 +222,9 @@ void KWinScreenEdgesConfig::monitorLoadDefaultSettings()
     // PresentWindows BorderActivateClass
     m_form->monitorChangeDefaultEdge(m_data->settings()->defaultTouchBorderActivateClassValue(), PresentWindowsClass);
 
+    // Overview
+    m_form->monitorChangeDefaultEdge(m_data->settings()->defaultTouchBorderActivateOverviewValue(), Overview);
+
     // TabBox BorderActivate
     m_form->monitorChangeDefaultEdge(m_data->settings()->defaultTouchBorderActivateTabBoxValue(), TabBox);
     // Alternative TabBox
@@ -237,6 +246,9 @@ void KWinScreenEdgesConfig::monitorSaveSettings()
     m_data->settings()->setTouchBorderActivatePresentWindows(m_form->monitorCheckEffectHasEdge(PresentWindowsCurrent));
     m_data->settings()->setTouchBorderActivateClass(m_form->monitorCheckEffectHasEdge(PresentWindowsClass));
 
+    // Overview
+    m_data->settings()->setTouchBorderActivateOverview(m_form->monitorCheckEffectHasEdge(Overview));
+
     // TabBox
     m_data->settings()->setTouchBorderActivateTabBox(m_form->monitorCheckEffectHasEdge(TabBox));
     m_data->settings()->setTouchBorderAlternativeActivate(m_form->monitorCheckEffectHasEdge(TabBoxAlternative));
@@ -265,6 +277,9 @@ void KWinScreenEdgesConfig::monitorShowEvent()
     m_form->monitorItemSetEnabled(PresentWindowsCurrent, enabled);
     m_form->monitorItemSetEnabled(PresentWindowsAll, enabled);
 
+    // Overview
+    m_form->monitorItemSetEnabled(Overview, config.readEntry("overviewEnabled", true));
+
     // tabbox, depends on reasonable focus policy.
     KConfigGroup config2(m_config, QStringLiteral("Windows"));
     QString focusPolicy = config2.readEntry("FocusPolicy", QString());

src/kcms/screenedges/touch.h

@@ -50,6 +50,7 @@ private:
         PresentWindowsAll = ELECTRIC_ACTION_COUNT, // Start at the end of built in actions
         PresentWindowsCurrent,
         PresentWindowsClass,
+        Overview,
         TabBox,
         TabBoxAlternative,
         EffectCount