modernize: Use nullptr

[quassel.git] / src / qtui / chatview.cpp

diff --git a/src/qtui/chatview.cpp b/src/qtui/chatview.cpp
index 7da0847..46ec7be 100644 (file)
--- a/src/qtui/chatview.cpp
+++ b/src/qtui/chatview.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-2016 by the Quassel Project                        *
+ *   Copyright (C) 2005-2018 by the Quassel Project                        *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -55,7 +55,7 @@ ChatView::ChatView(MessageFilter *filter, QWidget *parent)
 
 void ChatView::init(MessageFilter *filter)
 {
-    _bufferContainer = 0;
+    _bufferContainer = nullptr;
     _currentScaleFactor = 1;
     _invalidateFilter = false;
 
@@ -109,7 +109,7 @@ bool ChatView::event(QEvent *event)
         }
     }
 
-    if (event->type() == QEvent::TouchBegin) {
+    if (event->type() == QEvent::TouchBegin && ((QTouchEvent*)event)->device()->type() == QTouchDevice::TouchScreen) {
         // Enable scrolling by draging, disable selecting/clicking content
         setDragMode(QGraphicsView::ScrollHandDrag);
         setInteractive(false);
@@ -118,11 +118,7 @@ bool ChatView::event(QEvent *event)
         if (verticalScrollBar()->isVisible()) return true;
     }
 
-#if QT_VERSION >= 0x050000
     if (event->type() == QEvent::TouchEnd || event->type() == QEvent::TouchCancel) {
-#else
-    if (event->type() == QEvent::TouchEnd) {
-#endif
         // End scroll and reset settings to default
         setDragMode(QGraphicsView::NoDrag);
         setInteractive(true);
@@ -145,8 +141,7 @@ bool ChatView::event(QEvent *event)
         }
         // Applying the movement happens automatically by the drag-mode
     }
-
-    if (event->type() == QEvent::Wheel || event->type() == QEvent::TouchBegin || event->type() == QEvent::TouchUpdate) {
+    if (event->type() == QEvent::Wheel || (event->type() == QEvent::TouchBegin && ((QTouchEvent*)event)->device()->type() == QTouchDevice::TouchScreen) || event->type() == QEvent::TouchUpdate) {
         if (!verticalScrollBar()->isVisible()) {
             scene()->requestBacklog();
             return true;
@@ -318,11 +313,11 @@ QList<ChatLine *> ChatView::visibleChatLinesSorted(Qt::ItemSelectionMode mode) c
 ChatLine *ChatView::lastVisibleChatLine(bool ignoreDayChange) const
 {
     if (!scene())
-        return 0;
+        return nullptr;
 
     QAbstractItemModel *model = scene()->model();
     if (!model || model->rowCount() == 0)
-        return 0;
+        return nullptr;
 
     int row = -1;
 
@@ -335,7 +330,7 @@ ChatLine *ChatView::lastVisibleChatLine(bool ignoreDayChange) const
     if (row >= 0)
         return scene()->chatLine(row);
 
-    return 0;
+    return nullptr;
 }