From 9c7495aa055da5207af31272b478523f2ed2a809 Mon Sep 17 00:00:00 2001
From: Marcus Eggenberger <egs@quassel-irc.org>
Date: Mon, 13 Feb 2012 18:40:51 +0100
Subject: [PATCH] simplifying workaround for missing nickitems... especially
 getting rid of old workaround

---
 src/uisupport/nickview.cpp | 57 +++++++++++---------------------------
 src/uisupport/nickview.h   |  3 +-
 2 files changed, 18 insertions(+), 42 deletions(-)

diff --git a/src/uisupport/nickview.cpp b/src/uisupport/nickview.cpp
index 34fb554e..8b157445 100644
--- a/src/uisupport/nickview.cpp
+++ b/src/uisupport/nickview.cpp
@@ -35,11 +35,6 @@
 #include "networkmodel.h"
 #include "types.h"
 
-class ExpandAllEvent : public QEvent {
-public:
-  ExpandAllEvent() : QEvent(QEvent::User) {}
-};
-
 NickView::NickView(QWidget *parent)
   : QTreeView(parent)
 {
@@ -52,9 +47,9 @@ NickView::NickView(QWidget *parent)
   setContextMenuPolicy(Qt::CustomContextMenu);
   setSelectionMode(QAbstractItemView::ExtendedSelection);
 
-  // breaks with Qt 4.8
-  if(QString("4.8.0") > qVersion()) // FIXME breaks with Qt versions >= 4.10!
-    setAnimated(true);
+//   // breaks with Qt 4.8
+//   if(QString("4.8.0") > qVersion()) // FIXME breaks with Qt versions >= 4.10!
+     setAnimated(true);
 
   connect(this, SIGNAL(customContextMenuRequested(const QPoint&)), SLOT(showContextMenu(const QPoint&)));
 
@@ -88,14 +83,14 @@ void NickView::setModel(QAbstractItemModel *model_) {
 void NickView::rowsInserted(const QModelIndex &parent, int start, int end) {
   QTreeView::rowsInserted(parent, start, end);
   if(model()->data(parent, NetworkModel::ItemTypeRole) == NetworkModel::UserCategoryItemType && !isExpanded(parent)) {
-    QCoreApplication::postEvent(this, new ExpandAllEvent);
+    unanimatedExpandAll();
   }
 }
 
 void NickView::setRootIndex(const QModelIndex &index) {
   QAbstractItemView::setRootIndex(index);
   if(index.isValid())
-    QCoreApplication::postEvent(this, new ExpandAllEvent);
+    unanimatedExpandAll();
 }
 
 QModelIndexList NickView::selectedIndexes() const {
@@ -110,6 +105,17 @@ QModelIndexList NickView::selectedIndexes() const {
   return indexList;
 }
 
+void NickView::unanimatedExpandAll() {
+  // since of Qt Version 4.8.0 the default expandAll will not properly work if
+  // animations are enabled. Therefore we perform an unanimated expand when a
+  // model is set or a toplevel node is inserted.
+  bool wasAnimated = isAnimated();
+  setAnimated(false);
+  expandAll();
+  setAnimated(wasAnimated);
+}
+
+
 void NickView::showContextMenu(const QPoint &pos ) {
   Q_UNUSED(pos);
 
@@ -129,34 +135,3 @@ void NickView::startQuery(const QModelIndex &index) {
 
   Client::bufferModel()->switchToOrStartQuery(networkId, ircUser->nick());
 }
-
-void NickView::customEvent(QEvent *event) {
-  // THIS IS A REPLACEMENT FOR expandAll()
-  /* WARNING: do not call expandAll()!
-   * it fucks up big time in combination with sorting and changing the rootIndex
-   * the following sequence of commands leads to unexpected behavior when inserting new items
-   * setSortingEnabled(true);
-   * setModel();
-   * expandAll();
-   * setRootIndex();
-   */
-  if(event->type() != QEvent::User)
-    return;
-
-  if(!model())
-    return;
-
-  QModelIndex topLevelIdx;
-  for(int i = 0; i < model()->rowCount(rootIndex()); i++) {
-    topLevelIdx = model()->index(i, 0, rootIndex());
-    if(isExpanded(topLevelIdx))
-      continue;
-    else {
-      expand(topLevelIdx);
-      if(i < model()->rowCount(rootIndex()) - 1)
-        QCoreApplication::postEvent(this, new ExpandAllEvent);
-      break;
-    }
-  }
-  event->accept();
-}
diff --git a/src/uisupport/nickview.h b/src/uisupport/nickview.h
index e722537c..a95798cb 100644
--- a/src/uisupport/nickview.h
+++ b/src/uisupport/nickview.h
@@ -33,11 +33,12 @@ public:
 
 protected:
   virtual void rowsInserted(const QModelIndex &parent, int start, int end);
-  virtual void customEvent(QEvent *event);
 
   //! This reimplementation ensures that the current index is first in list
   virtual QModelIndexList selectedIndexes() const;
 
+  void unanimatedExpandAll();
+
 public slots:
   virtual void setModel(QAbstractItemModel *model);
   virtual void setRootIndex(const QModelIndex &index);
-- 
2.20.1