Fixing BR #419 - Any Action that would normaly trigger a scroll in the

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

diff --git a/src/qtui/chatview.cpp b/src/qtui/chatview.cpp
index 536a511..14f508e 100644 (file)
--- a/src/qtui/chatview.cpp
+++ b/src/qtui/chatview.cpp
@@ -19,8 +19,10 @@
  ***************************************************************************/
 
 #include <QGraphicsTextItem>
+#include <QMenu>
 #include <QScrollBar>
 
+#include "bufferwidget.h"
 #include "chatlinemodelitem.h"
 #include "chatscene.h"
 #include "chatview.h"
@@ -31,6 +33,7 @@
 ChatView::ChatView(BufferId bufferId, QWidget *parent)
   : QGraphicsView(parent),
     AbstractChatView(),
+    _bufferContainer(0),
     _currentScaleFactor(1)
 {
   QList<BufferId> filterList;
@@ -42,6 +45,7 @@ ChatView::ChatView(BufferId bufferId, QWidget *parent)
 ChatView::ChatView(MessageFilter *filter, QWidget *parent)
   : QGraphicsView(parent),
     AbstractChatView(),
+    _bufferContainer(0),
     _currentScaleFactor(1)
 {
   init(filter);
@@ -61,16 +65,42 @@ void ChatView::init(MessageFilter *filter) {
   _scrollTimer.setSingleShot(true);
   connect(&_scrollTimer, SIGNAL(timeout()), SLOT(scrollTimerTimeout()));
 
-  _scene = new ChatScene(filter, filter->idString(), viewport()->width() - 2, this); // see below: resizeEvent()
+  _scene = new ChatScene(filter, filter->idString(), viewport()->width() - 4, this); // see below: resizeEvent()
   connect(_scene, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(sceneRectChanged(const QRectF &)));
   connect(_scene, SIGNAL(lastLineChanged(QGraphicsItem *, qreal)), this, SLOT(lastLineChanged(QGraphicsItem *, qreal)));
   connect(_scene, SIGNAL(mouseMoveWhileSelecting(const QPointF &)), this, SLOT(mouseMoveWhileSelecting(const QPointF &)));
   setScene(_scene);
-  // installEventFilter(_scene);
 
   connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(verticalScrollbarChanged(int)));
 }
 
+bool ChatView::event(QEvent *event) {
+  if(event->type() == QEvent::KeyPress) {
+    QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
+    switch(keyEvent->key()) {
+    case Qt::Key_Up:
+    case Qt::Key_Down:
+    case Qt::Key_PageUp:
+    case Qt::Key_PageDown:
+      if(!verticalScrollBar()->isVisible()) {
+       scene()->requestBacklog();
+       return true;
+      }
+    default:
+      break;
+    }
+  }
+
+  if(event->type() == QEvent::Wheel) {
+    if(!verticalScrollBar()->isVisible()) {
+      scene()->requestBacklog();
+      return true;
+    }
+  }
+
+  return QGraphicsView::event(event);
+}
+
 void ChatView::resizeEvent(QResizeEvent *event) {
   QGraphicsView::resizeEvent(event);
 
@@ -108,8 +138,9 @@ void ChatView::scrollTimerTimeout() {
 
 void ChatView::lastLineChanged(QGraphicsItem *chatLine, qreal offset) {
   Q_UNUSED(chatLine)
-  if(!scene()->isScrollingAllowed())
-    return;
+  // disabled until further testing/discussion
+  //if(!scene()->isScrollingAllowed())
+  //  return;
 
   QAbstractSlider *vbar = verticalScrollBar();
   Q_ASSERT(vbar);
@@ -146,6 +177,15 @@ MsgId ChatView::lastMsgId() const {
   return model->data(model->index(model->rowCount() - 1, 0), MessageModel::MsgIdRole).value<MsgId>();
 }
 
+void ChatView::addActionsToMenu(QMenu *menu, const QPointF &pos) {
+  // zoom actions
+  BufferWidget *bw = qobject_cast<BufferWidget *>(bufferContainer());
+  if(bw) {
+    bw->addActionsToMenu(menu, pos);
+    menu->addSeparator();
+  }
+}
+
 void ChatView::zoomIn() {
     _currentScaleFactor *= 1.2;
     scale(1.2, 1.2);
@@ -158,7 +198,7 @@ void ChatView::zoomOut() {
     scene()->setWidth(viewport()->width() / _currentScaleFactor - 2);
 }
 
-void ChatView::zoomNormal() {
+void ChatView::zoomOriginal() {
     scale(1/_currentScaleFactor, 1/_currentScaleFactor);
     _currentScaleFactor = 1;
     scene()->setWidth(viewport()->width() - 2);