From c9ef00c67a47448e92398a5dce6ce5b74e77783a Mon Sep 17 00:00:00 2001
From: Marcus Eggenberger <egs@quassel-irc.org>
Date: Sun, 30 Dec 2007 14:06:55 +0000
Subject: [PATCH] Made the ModelPropertyMapper listen to
 dataChanged(QModelIndex, QModelIndex) signals and thus making the topic bar
 notice topic changes

---
 src/client/modelpropertymapper.cpp | 17 +++++++++++++++--
 src/client/modelpropertymapper.h   |  1 +
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/client/modelpropertymapper.cpp b/src/client/modelpropertymapper.cpp
index fe2ffcb7..890eda42 100644
--- a/src/client/modelpropertymapper.cpp
+++ b/src/client/modelpropertymapper.cpp
@@ -34,9 +34,14 @@ ModelPropertyMapper::~ModelPropertyMapper() {
 }
 
 void ModelPropertyMapper::setModel(QAbstractItemModel *model) {
-  if(_model)
+  if(_model) {
     setSelectionModel(new QItemSelectionModel(model));
+    disconnect(_model, SIGNAL(dataChanged(QModelIndex, QModelIndex)),
+	       this, SLOT(dataChanged(QModelIndex, QModelIndex)));
+  }
   _model = model;
+  connect(_model, SIGNAL(dataChanged(QModelIndex, QModelIndex)),
+	  this, SLOT(dataChanged(QModelIndex, QModelIndex)));
 }
 
 QAbstractItemModel *ModelPropertyMapper::model() const {
@@ -95,11 +100,19 @@ void ModelPropertyMapper::setCurrentRow(const QModelIndex &current, const QModel
   Q_UNUSED(previous)
   foreach(Mapping mapping, _mappings) {
     QModelIndex index = current.sibling(current.row(), mapping.column);
-    // qDebug() << mapping.target << mapping.property << index.data(mapping.role);
     mapping.target->setProperty(mapping.property, index.data(mapping.role));
   }
 }
 
+void ModelPropertyMapper::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
+  QItemSelectionRange changedRange(topLeft, bottomRight);
+  foreach(Mapping mapping, _mappings) {
+    QModelIndex index = _selectionModel->currentIndex().sibling(_selectionModel->currentIndex().row(), mapping.column);
+    if(changedRange.contains(index)) {
+      mapping.target->setProperty(mapping.property, index.data(mapping.role));
+    }
+  }
+}
 
 void ModelPropertyMapper::targetDestroyed() {
   QObject *obj = static_cast<QObject *>(sender());
diff --git a/src/client/modelpropertymapper.h b/src/client/modelpropertymapper.h
index 44e902ab..27dafa5c 100644
--- a/src/client/modelpropertymapper.h
+++ b/src/client/modelpropertymapper.h
@@ -48,6 +48,7 @@ public:
 public slots:
   void setCurrentIndex(const QModelIndex &current, const QModelIndex &previous);
   void setCurrentRow(const QModelIndex &current, const QModelIndex &previous);
+  void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
 
 private slots:
   void targetDestroyed();
-- 
2.20.1