commit 3163943905e5b373de1d4e5048798bebc659cef7
Author: David Edmundson <kde@davidedmundson.co.uk>
Date:   Mon Jul 22 15:48:04 2019 +0200

    animationspeed

diff --git a/kcmkwin/kwinrules/CMakeLists.txt b/kcmkwin/kwinrules/CMakeLists.txt
index 34bc7cbac..9a4823581 100644
--- a/kcmkwin/kwinrules/CMakeLists.txt
+++ b/kcmkwin/kwinrules/CMakeLists.txt
@@ -24,6 +24,7 @@ set(kcm_libs
     Qt5::Concurrent
     Qt5::X11Extras
     KF5::Completion
+    KF5::ConfigCore
     KF5::ConfigWidgets
     KF5::I18n
     KF5::Service
diff --git a/kwin.kcfg b/kwin.kcfg
index 2203dbfa7..c36bc55af 100644
--- a/kwin.kcfg
+++ b/kwin.kcfg
@@ -248,11 +248,6 @@
             <min>4</min>
             <max>6</max>
         </entry>
-        <entry name="AnimationSpeed" type="Int">
-            <default>3</default>
-            <min>0</min>
-            <max>6</max>
-        </entry>
         <entry name="GLPlatformInterface" type="String">
             <default>glx</default>
         </entry>
@@ -301,4 +296,10 @@
             <default>thumbnails</default>
         </entry>
     </group>
+    <group name="KDE">
+        <entry name="AnimationSpeed" type="Double">
+            <default>1</default>
+            <min>0</min>
+        </entry>
+    </group>
 </kcfg>
diff --git a/options.cpp b/options.cpp
index 7af5093b3..6bdf830c4 100644
--- a/options.cpp
+++ b/options.cpp
@@ -150,6 +150,13 @@ Options::Options(QObject *parent)
 {
     m_settings->setDefaults();
     syncFromKcfgc();
+
+    m_configWatcher = KConfigWatcher::create(m_settings->config());
+    connect(m_configWatcher, this, [this](const KConfigGroup &group, const QByteArrayList &names) {
+        if (group.name() == QLatin1String("KDE") && names.contains(QLatin1String("AnimationSpeed"))) {
+
+        }
+    }
 }
 
 Options::~Options()
@@ -966,9 +973,6 @@ void Options::reloadCompositingSettings(bool force)
         previews = HiddenPreviewsAlways;
     setHiddenPreviews(previews);
 
-    // TOOD: add setter
-    animationSpeed = qBound(0, config.readEntry("AnimationSpeed", Options::defaultAnimationSpeed()), 6);
-
     auto interfaceToKey = [](OpenGLPlatformInterface interface) {
         switch (interface) {
         case GlxPlatformInterface:
@@ -1099,8 +1103,7 @@ Options::MouseCommand Options::wheelToMouseCommand(MouseWheelCommand com, int de
 
 double Options::animationTimeFactor() const
 {
-    const double factors[] = { 0, 0.2, 0.5, 1, 2, 4, 20 };
-    return factors[ animationSpeed ];
+    return m_settings->animationSpeed();
 }
 
 Options::WindowOperation Options::operationMaxButtonClick(Qt::MouseButtons button) const
diff --git a/options.h b/options.h
index 112ba9442..2991ddc55 100644
--- a/options.h
+++ b/options.h
@@ -26,6 +26,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "main.h"
 #include "placement.h"
 
+#include <KConfigWatcher>
+
 namespace KWin
 {
 
@@ -765,9 +767,6 @@ public:
     static OpenGLPlatformInterface defaultGlPlatformInterface() {
         return kwinApp()->shouldUseWaylandForCompositing() ? EglPlatformInterface : GlxPlatformInterface;
     };
-    static int defaultAnimationSpeed() {
-        return 3;
-    }
 
     /**
      * Performs loading all settings except compositing related.
@@ -851,6 +850,8 @@ private:
     void setElectricBorders(int borders);
     void syncFromKcfgc();
     QScopedPointer<Settings> m_settings;
+    KConfigWatcher::Ptr m_configWatcher;
+
     FocusPolicy m_focusPolicy;
     bool m_nextFocusPrefersMouse;
     bool m_clickRaise;
@@ -918,7 +919,6 @@ private:
     bool borderless_maximized_windows;
     bool show_geometry_tip;
     bool condensed_title;
-    int animationSpeed; // 0 - instant, 5 - very slow
 
     QHash<Qt::KeyboardModifier, QStringList> m_modifierOnlyShortcuts;