fixed slow buffer switches

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

diff --git a/src/qtui/nicklistwidget.cpp b/src/qtui/nicklistwidget.cpp
index 29a7d9b..cb94161 100644 (file)
--- a/src/qtui/nicklistwidget.cpp
+++ b/src/qtui/nicklistwidget.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2005-07 by the Quassel IRC Team                         *
+ *   Copyright (C) 2005-08 by the Quassel Project                          *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -22,35 +22,125 @@
 
 #include "buffer.h"
 #include "nickview.h"
+#include "client.h"
+#include "networkmodel.h"
+#include "nickviewfilter.h"
 
-NickListWidget::NickListWidget(QWidget *parent) : QWidget(parent) {
+NickListWidget::NickListWidget(QWidget *parent)
+  : QWidget(parent),
+    _bufferModel(0),
+    _selectionModel(0)
+{
   ui.setupUi(this);
+}
+
+void NickListWidget::setModel(BufferModel *bufferModel) {
+  if(_bufferModel) {
+    disconnect(_bufferModel, 0, this, 0);
+  }
+  
+  _bufferModel = bufferModel;
+
+  if(bufferModel) {
+    connect(bufferModel, SIGNAL(rowsAboutToBeRemoved(QModelIndex, int, int)),
+           this, SLOT(rowsAboutToBeRemoved(QModelIndex, int, int)));
+  }
+}
+
+void NickListWidget::setSelectionModel(QItemSelectionModel *selectionModel) {
+  if(_selectionModel) {
+    disconnect(_selectionModel, 0, this, 0);
+  }
+
+  _selectionModel = selectionModel;
+
+  if(selectionModel) {
+    connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
+           this, SLOT(currentChanged(QModelIndex, QModelIndex)));
+  }
+}
+
+
+void NickListWidget::reset() {
+  NickView *nickView;
+  QHash<BufferId, NickView *>::iterator iter = nickViews.begin();
+  while(iter != nickViews.end()) {
+    nickView = *iter;
+    iter = nickViews.erase(iter);
+    ui.stackedWidget->removeWidget(nickView);
+    nickView->deleteLater();
+  }
+}
 
+
+void NickListWidget::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
+  Q_UNUSED(previous);
+  QVariant variant;
+
+  variant = current.data(NetworkModel::BufferIdRole);
+  if(!variant.isValid())
+    return;
+  setCurrentBuffer(variant.value<BufferId>());
 }
 
-void NickListWidget::setBuffer(Buffer *buf) {
-  if(!buf) {
+
+void NickListWidget::setCurrentBuffer(BufferId bufferId) {
+  QModelIndex bufferIdx = Client::networkModel()->bufferIndex(bufferId);
+  
+  if(bufferIdx.data(NetworkModel::BufferTypeRole) != BufferInfo::ChannelBuffer) {
     ui.stackedWidget->setCurrentWidget(ui.emptyPage);
     return;
   }
-  if(buf->bufferType() != Buffer::ChannelType) {
-    ui.stackedWidget->setCurrentWidget(ui.emptyPage);
+
+  if(nickViews.contains(bufferId)) {
+    ui.stackedWidget->setCurrentWidget(nickViews.value(bufferId));
   } else {
-    if(nickViews.contains(buf)) {
-      ui.stackedWidget->setCurrentWidget(nickViews.value(buf));
-    } else {
-      NickView *view = new NickView(this);
-      view->setModel(buf->nickModel());
-      nickViews[buf] = view;
-      ui.stackedWidget->addWidget(view);
-      ui.stackedWidget->setCurrentWidget(view);
-    }
+    NickView *view = new NickView(this);
+    NickViewFilter *filter = new NickViewFilter(bufferId, Client::networkModel());
+    filter->setObjectName("Buffer " + QString::number(bufferId.toInt()));
+    view->setModel(filter);
+    view->setRootIndex(filter->mapFromSource(bufferIdx));
+    view->expandAll();
+    nickViews[bufferId] = view;
+    ui.stackedWidget->addWidget(view);
+    ui.stackedWidget->setCurrentWidget(view);
   }
 }
 
-void NickListWidget::reset() {
-  foreach(NickView *view, nickViews.values()) {
-    ui.stackedWidget->removeWidget(view);
-    view->deleteLater();
+
+void NickListWidget::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
+  Q_ASSERT(model());
+  if(!parent.isValid()) {
+    // ok this means that whole networks are about to be removed
+    // we can't determine which buffers are affect, so we hope that all nets are removed
+    // this is the most common case (for example disconnecting from the core or terminating the clint)
+    reset();
+  } else {
+    // check if there are explicitly buffers removed
+    for(int i = start; i <= end; i++) {
+      QVariant variant = parent.child(i,0).data(NetworkModel::BufferIdRole);
+      if(!variant.isValid())
+       continue;
+
+      BufferId bufferId = qVariantValue<BufferId>(variant);
+      removeBuffer(bufferId);
+    }
   }
 }
+
+void NickListWidget::removeBuffer(BufferId bufferId) {
+  if(!nickViews.contains(bufferId))
+    return;
+  
+  NickView *view = nickViews.take(bufferId);
+  ui.stackedWidget->removeWidget(view);
+  view->deleteLater();
+}
+
+QSize NickListWidget::sizeHint() const {
+  QWidget *currentWidget = ui.stackedWidget->currentWidget();
+  if(!currentWidget || currentWidget == ui.emptyPage)
+    return QSize(100, height());
+  else
+    return currentWidget->sizeHint();
+}