fixing crash on disconnect

[quassel.git] / src / client / buffermodel.cpp

diff --git a/src/client/buffermodel.cpp b/src/client/buffermodel.cpp
index 3dfdc6d..e6bafd7 100644 (file)
--- a/src/client/buffermodel.cpp
+++ b/src/client/buffermodel.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   Copyright (C) 2005-09 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -20,16 +20,21 @@
 
 #include "buffermodel.h"
 
-#include "networkmodel.h"
-#include "mappedselectionmodel.h"
-#include "buffer.h"
 #include <QAbstractItemView>
 
+#include "client.h"
+#include "networkmodel.h"
+#include "quassel.h"
+
 BufferModel::BufferModel(NetworkModel *parent)
   : QSortFilterProxyModel(parent),
     _selectionModelSynchronizer(this)
 {
   setSourceModel(parent);
+  if(Quassel::isOptionSet("debugbufferswitches")) {
+    connect(_selectionModelSynchronizer.selectionModel(), SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
+           this, SLOT(debug_currentChanged(const QModelIndex &, const QModelIndex &)));
+  }
 }
 
 bool BufferModel::filterAcceptsRow(int sourceRow, const QModelIndex &parent) const {
@@ -43,31 +48,36 @@ bool BufferModel::filterAcceptsRow(int sourceRow, const QModelIndex &parent) con
   return false;
 }
 
-void BufferModel::synchronizeSelectionModel(MappedSelectionModel *selectionModel) {
-  _selectionModelSynchronizer.addSelectionModel(selectionModel);
-}
-
 void BufferModel::synchronizeView(QAbstractItemView *view) {
-  MappedSelectionModel *mappedSelectionModel = new MappedSelectionModel(view->model());
-  _selectionModelSynchronizer.addSelectionModel(mappedSelectionModel);
-  Q_ASSERT(mappedSelectionModel);
-  delete view->selectionModel();
-  view->setSelectionModel(mappedSelectionModel);
+  _selectionModelSynchronizer.synchronizeSelectionModel(view->selectionModel());
 }
 
-QModelIndex BufferModel::currentIndex() {
-  return standardSelectionModel()->currentIndex();
+void BufferModel::setCurrentIndex(const QModelIndex &newCurrent) {
+  _selectionModelSynchronizer.selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::Current);
+  _selectionModelSynchronizer.selectionModel()->select(newCurrent, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
 }
 
-void BufferModel::setCurrentIndex(const QModelIndex &newCurrent) {
-  _selectionModelSynchronizer.selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
-  _selectionModelSynchronizer.selectionModel()->select(newCurrent, QItemSelectionModel::Current);
+void BufferModel::switchToBuffer(const BufferId &bufferId) {
+  QModelIndex source_index = Client::networkModel()->bufferIndex(bufferId);
+  setCurrentIndex(mapFromSource(source_index));
 }
 
-void BufferModel::debug_currentChanged(QModelIndex current, QModelIndex previous) {
-  qDebug() << "New current:" << current << "(previous:" << previous << ")";
+void BufferModel::switchToBufferIndex(const QModelIndex &bufferIdx) {
+  // we accept indexes that directly belong to us or our parent - nothing else
+  if(bufferIdx.model() == this) {
+    setCurrentIndex(bufferIdx);
+    return;
+  }
+
+  if(bufferIdx.model() == sourceModel()) {
+    setCurrentIndex(mapFromSource(bufferIdx));
+    return;
+  }
+
+  qWarning() << "BufferModel::switchToBufferIndex(const QModelIndex &):" << bufferIdx << "does not belong to BufferModel or NetworkModel";
 }
 
-void BufferModel::debug_selectionChanged(QItemSelection current , QItemSelection previous) {
-  qDebug() << "new selection:" << current << "(previoius:" << previous << ")";
+void BufferModel::debug_currentChanged(QModelIndex current, QModelIndex previous) {
+  Q_UNUSED(previous);
+  qDebug() << "Switched current Buffer: " << current << current.data().toString() << "Buffer:" << current.data(NetworkModel::BufferIdRole).value<BufferId>();
 }