ui: Added scroll speed setting to preferences

src/lib_gui/qt/element/QtAutocompletionList.cpp

@@ -204,6 +204,9 @@ QtAutocompletionList::QtAutocompletionList(QWidget* parent)
 	setModelSorting(QCompleter::UnsortedModel);
 	setCompletionPrefix("");
 	setMaxVisibleItems(20);
+
+	m_scrollSpeedChangeListenerHorizontal.setScrollBar(list->horizontalScrollBar());
+	m_scrollSpeedChangeListenerVertical.setScrollBar(list->verticalScrollBar());
 }
 
 QtAutocompletionList::~QtAutocompletionList()

src/lib_gui/qt/element/QtAutocompletionList.h

@@ -10,6 +10,7 @@
 #include <QListView>
 
 #include "data/search/SearchMatch.h"
+#include "qt/utility/QtScrollSpeedChangeListener.h"
 
 class QtAutocompletionModel
 	: public QAbstractTableModel
@@ -70,6 +71,9 @@ private slots:
 private:
 	std::shared_ptr<QtAutocompletionModel> m_model;
 	std::shared_ptr<QtAutocompletionDelegate> m_delegate;
+
+	QtScrollSpeedChangeListener m_scrollSpeedChangeListenerHorizontal;
+	QtScrollSpeedChangeListener m_scrollSpeedChangeListenerVertical;
 };
 
 #endif // QT_AUTOCOMPLETION_LIST

src/lib_gui/qt/element/QtCodeArea.cpp

@@ -1,13 +1,13 @@
 #include "qt/element/QtCodeArea.h"
 
-#include <qapplication.h>
+#include <QApplication>
 #include <QFont>
 #include <QHBoxLayout>
-#include <qmenu.h>
+#include <QMenu>
 #include <QPainter>
 #include <QPushButton>
+#include <QScrollBar>
 #include <QToolTip>
-#include <qscrollbar.h>
 
 #include "utility/messaging/type/MessageActivateLocalSymbols.h"
 #include "utility/messaging/type/MessageActivateTokenLocations.h"
@@ -130,6 +130,7 @@ QtCodeArea::QtCodeArea(
 
 	// MouseWheelOverScrollbarFilter is deleted by parent.
 	horizontalScrollBar()->installEventFilter(new MouseWheelOverScrollbarFilter(this));
+	m_scrollSpeedChangeListener.setScrollBar(horizontalScrollBar());
 
 	createActions();
 

src/lib_gui/qt/element/QtCodeArea.h

@@ -8,6 +8,7 @@
 #include <QPlainTextEdit>
 
 #include "data/location/LocationType.h"
+#include "qt/utility/QtScrollSpeedChangeListener.h"
 #include "utility/types.h"
 
 class QDragMoveEvent;
@@ -190,6 +191,8 @@ private:
 
 	std::vector<int> m_lineLengths;
 	int m_endTextEditPosition;
+
+	QtScrollSpeedChangeListener m_scrollSpeedChangeListener;
 };
 
 #endif // QT_CODE_AREA_H

src/lib_gui/qt/element/QtCodeNavigator.cpp

@@ -80,6 +80,8 @@ QtCodeNavigator::QtCodeNavigator(QWidget* parent)
 	m_scrollArea->setWidgetResizable(true);
 	m_scrollArea->setWidget(m_list);
 
+	m_scrollSpeedChangeListener.setScrollBar(m_scrollArea->verticalScrollBar());
+
 	connect(m_scrollArea->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(scrolled(int)));
 	connect(this, SIGNAL(shouldScrollToSnippet(QtCodeSnippet*, uint)),
 		this, SLOT(scrollToSnippet(QtCodeSnippet*, uint)), Qt::QueuedConnection);

src/lib_gui/qt/element/QtCodeNavigator.h

@@ -5,6 +5,7 @@
 #include <QScrollArea>
 
 #include "qt/element/QtCodeFileList.h"
+#include "qt/utility/QtScrollSpeedChangeListener.h"
 #include "qt/utility/QtThreadedFunctor.h"
 #include "utility/messaging/MessageListener.h"
 #include "utility/messaging/type/MessageCodeReference.h"
@@ -125,6 +126,8 @@ private:
 	QtCodeFile* m_scrollToFile;
 	uint m_scrollToLine;
 	Id m_scrollToLocationId;
+
+	QtScrollSpeedChangeListener m_scrollSpeedChangeListener;
 };
 
 #endif // QT_CODE_NAVIGATOR_H