X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatscene.cpp;h=a6578fa657dcb7ca6711486c0c6a3dc169d28799;hp=0671365254a13994d9e665288b8a1ada427543e6;hb=dbefd590650e9053c7a1513a5f49aad3e582108a;hpb=8efabae6c310d17265eaeb03df43ffe8b555a52e

diff --git a/src/qtui/chatscene.cpp b/src/qtui/chatscene.cpp
index 06713652..a6578fa6 100644
--- a/src/qtui/chatscene.cpp
+++ b/src/qtui/chatscene.cpp
@@ -18,13 +18,18 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
+#include <QApplication>
+#include <QClipboard>
 #include <QGraphicsSceneMouseEvent>
 #include <QPersistentModelIndex>
 
 #include "buffer.h"
 #include "chatitem.h"
+#include "chatline.h"
 #include "chatlinemodelitem.h"
 #include "chatscene.h"
+#include "client.h"
+#include "clientbacklogmanager.h"
 #include "columnhandleitem.h"
 #include "qtui.h"
 #include "qtuisettings.h"
@@ -40,11 +45,14 @@ ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, QObject
   _selectingItem = 0;
   _isSelecting = false;
   _selectionStart = -1;
+  _fetchingBacklog = false;
+
   connect(this, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(rectChanged(const QRectF &)));
 
   connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(rowsInserted(const QModelIndex &, int, int)));
+  connect(model, SIGNAL(modelAboutToBeReset()), this, SLOT(modelReset()));
   for(int i = 0; i < model->rowCount(); i++) {
-    ChatLine *line = new ChatLine(model->index(i, 0));
+    ChatLine *line = new ChatLine(i, model);
     _lines.append(line);
     addItem(line);
   }
@@ -74,7 +82,6 @@ ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, QObject
 
 ChatScene::~ChatScene() {
 
-
 }
 
 void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
@@ -86,7 +93,7 @@ void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
   qreal y = 0;
   if(_width && start > 0) y = _lines.value(start - 1)->y() + _lines.value(start - 1)->height();
   for(int i = start; i <= end; i++) {
-    ChatLine *line = new ChatLine(model()->index(i, 0));
+    ChatLine *line = new ChatLine(i, model());
     _lines.insert(i, line);
     addItem(line);
     if(_width > 0) {
@@ -94,6 +101,11 @@ void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
       h += line->setGeometry(_width, firstColHandlePos, secondColHandlePos);
     }
   }
+  // update existing items
+  for(int i = end+1; i < _lines.count(); i++) {
+    _lines[i]->setRow(i);
+  }
+
   if(h > 0) {
     _height += h;
     for(int i = end+1; i < _lines.count(); i++) {
@@ -102,6 +114,17 @@ void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
     setSceneRect(QRectF(0, 0, _width, _height));
     emit heightChanged(_height);
   }
+
+  requestBacklogIfNeeded();
+}
+
+void ChatScene::modelReset() {
+  foreach(ChatLine *line, _lines) {
+    removeItem(line);
+    delete line;
+  }
+  _lines.clear();
+  setSceneRect(QRectF(0, 0, _width, 0));
 }
 
 void ChatScene::setWidth(qreal w) {
@@ -149,8 +172,8 @@ void ChatScene::setSelectingItem(ChatItem *item) {
 }
 
 void ChatScene::startGlobalSelection(ChatItem *item, const QPointF &itemPos) {
-  _selectionStart = _selectionEnd = item->index().row();
-  _selectionStartCol = _selectionMinCol = item->index().column();
+  _selectionStart = _selectionEnd = item->row();
+  _selectionStartCol = _selectionMinCol = item->column();
   _isSelecting = true;
   _lines[_selectionStart]->setSelected(true, (ChatLineModel::ColumnType)_selectionMinCol);
   updateSelection(item->mapToScene(itemPos));
@@ -162,7 +185,7 @@ void ChatScene::updateSelection(const QPointF &pos) {
   ChatItem *contentItem = static_cast<ChatItem *>(itemAt(QPointF(secondColHandlePos + secondColHandle->width()/2, pos.y())));
   if(!contentItem) return;
 
-  int curRow = contentItem->index().row();
+  int curRow = contentItem->row();
   int curColumn;
   if(pos.x() > secondColHandlePos + secondColHandle->width()/2) curColumn = ChatLineModel::ContentsColumn;
   else if(pos.x() > firstColHandlePos) curColumn = ChatLineModel::SenderColumn;
@@ -225,6 +248,12 @@ void ChatScene::mousePressEvent(QGraphicsSceneMouseEvent *event) {
 
 void ChatScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
   if(_isSelecting) {
+#   ifdef Q_WS_X11
+      QApplication::clipboard()->setText(selectionToString(), QClipboard::Selection);
+#   endif
+//# else
+      QApplication::clipboard()->setText(selectionToString());
+//# endif
     _isSelecting = false;
     event->accept();
   } else {
@@ -232,3 +261,47 @@ void ChatScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
   }
 }
 
+//!\brief Convert current selection to human-readable string.
+QString ChatScene::selectionToString() const {
+  //TODO Make selection format configurable!
+  if(!_isSelecting) return QString();
+  int start = qMin(_selectionStart, _selectionEnd);
+  int end = qMax(_selectionStart, _selectionEnd);
+  if(start < 0 || end >= _lines.count()) {
+    qDebug() << "Invalid selection range:" << start << end;
+    return QString();
+  }
+  QString result;
+  for(int l = start; l <= end; l++) {
+    if(_selectionMinCol == ChatLineModel::TimestampColumn)
+      result += _lines[l]->item(ChatLineModel::TimestampColumn).data(MessageModel::DisplayRole).toString() + " ";
+    if(_selectionMinCol <= ChatLineModel::SenderColumn)
+      result += _lines[l]->item(ChatLineModel::SenderColumn).data(MessageModel::DisplayRole).toString() + " ";
+    result += _lines[l]->item(ChatLineModel::ContentsColumn).data(MessageModel::DisplayRole).toString() + "\n";
+  }
+  return result;
+}
+
+void ChatScene::setIsFetchingBacklog(bool fetch) {
+  if(!isBacklogFetchingEnabled()) return;
+
+  if(!fetch) {
+    _fetchingBacklog = false;
+  } else {
+    _fetchingBacklog = true;
+    requestBacklogIfNeeded();
+  }
+}
+
+void ChatScene::requestBacklogIfNeeded() {
+  const int REQUEST_COUNT = 50;
+
+  if(!isBacklogFetchingEnabled() || !isFetchingBacklog() || !model()->rowCount()) return;
+
+  MsgId msgId = model()->data(model()->index(0, 0), ChatLineModel::MsgIdRole).value<MsgId>();
+  if(!_lastBacklogOffset.isValid() || (msgId < _lastBacklogOffset && _lastBacklogSize + REQUEST_COUNT <= model()->rowCount())) {
+    Client::backlogManager()->requestBacklog(bufferForBacklogFetching(), REQUEST_COUNT, msgId.toInt());
+    _lastBacklogOffset = msgId;
+    _lastBacklogSize = model()->rowCount();
+  }
+}