Make the script dialog list scroll more smoothly

src/CMakeLists.txt

@@ -183,6 +183,7 @@ set(SOURCES
   scripting/script.cpp
   scripting/scriptarchive.cpp
   scripting/scriptdialog.cpp
+  scripting/scriptdialoglist.cpp
   scripting/scriptinfo.cpp
   scripting/scriptinterface.cpp
   scripting/scriptmanager.cpp

src/scripting/scriptdialog.ui

@@ -31,7 +31,11 @@
       </attribute>
       <layout class="QHBoxLayout" name="horizontalLayout">
        <item>
-        <widget class="QListView" name="list"/>
+        <widget class="ScriptDialogList" name="list">
+         <property name="verticalScrollMode">
+          <enum>QAbstractItemView::ScrollPerPixel</enum>
+         </property>
+        </widget>
        </item>
        <item>
         <layout class="QVBoxLayout" name="verticalLayout">
@@ -138,6 +142,13 @@
    </item>
   </layout>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>ScriptDialogList</class>
+   <extends>QListView</extends>
+   <header>scripting/scriptdialoglist.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections>
   <connection>

src/scripting/scriptdialoglist.cpp

@@ -0,0 +1,13 @@
+#include "scriptdialoglist.h"
+
+#include <QScrollBar>
+
+ScriptDialogList::ScriptDialogList(QWidget* parent)
+  : QListView(parent) {
+}
+
+void ScriptDialogList::updateGeometries() {
+  QListView::updateGeometries();
+
+  verticalScrollBar()->setSingleStep(15);
+}

src/scripting/scriptdialoglist.h

@@ -0,0 +1,14 @@
+#ifndef SCRIPTDIALOGLIST_H
+#define SCRIPTDIALOGLIST_H
+
+#include <QListView>
+
+class ScriptDialogList : public QListView {
+public:
+  ScriptDialogList(QWidget* parent = 0);
+
+protected:
+  void updateGeometries();
+};
+
+#endif // SCRIPTDIALOGLIST_H