Save and restore column widths

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

diff --git a/src/qtui/chatscene.cpp b/src/qtui/chatscene.cpp
index 1d00876..8d830b6 100644 (file)
--- a/src/qtui/chatscene.cpp
+++ b/src/qtui/chatscene.cpp
@@ -19,21 +19,54 @@
  ***************************************************************************/
 
 #include <QGraphicsSceneMouseEvent>
+#include <QPersistentModelIndex>
 
 #include "buffer.h"
 #include "chatitem.h"
-#include "chatline.h"
+#include "chatlinemodelitem.h"
 #include "chatscene.h"
-#include "quasselui.h"
+#include "columnhandleitem.h"
+#include "qtui.h"
+#include "qtuisettings.h"
 
-ChatScene::ChatScene(Buffer *buf, QObject *parent) : QGraphicsScene(parent) {
-  _buffer = buf;
+const qreal minContentsWidth = 200;
 
-  foreach(AbstractUiMsg *msg, buf->contents()) {
-    appendMsg(msg);
+ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, QObject *parent)
+  : QGraphicsScene(parent),
+  _idString(idString),
+  _model(model)
+{
+  _width = 0;
+  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)));
+  for(int i = 0; i < model->rowCount(); i++) {
+    ChatLine *line = new ChatLine(model->index(i, 0));
+    _lines.append(line);
+    addItem(line);
   }
-  connect(buf, SIGNAL(msgAppended(AbstractUiMsg *)), this, SLOT(appendMsg(AbstractUiMsg *)));
-  connect(buf, SIGNAL(msgPrepended(AbstractUiMsg *)), this, SLOT(prependMsg(AbstractUiMsg *)));
+
+  QtUiSettings s;
+  int defaultFirstColHandlePos = s.value("ChatView/DefaultFirstColumnHandlePos", 80).toInt();
+  int defaultSecondColHandlePos = s.value("ChatView/DefaultSecondColumnHandlePos", 200).toInt();
+
+  firstColHandlePos = s.value(QString("ChatView/%1/FirstColumnHandlePos").arg(_idString),
+                               defaultFirstColHandlePos).toInt();
+  secondColHandlePos = s.value(QString("ChatView/%1/SecondColumnHandlePos").arg(_idString),
+                                defaultSecondColHandlePos).toInt();
+
+  firstColHandle = new ColumnHandleItem(QtUi::style()->firstColumnSeparator()); addItem(firstColHandle);
+  secondColHandle = new ColumnHandleItem(QtUi::style()->secondColumnSeparator()); addItem(secondColHandle);
+
+  connect(firstColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
+  connect(secondColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
+
+  firstColHandle->setXPos(firstColHandlePos);
+  firstColHandle->setXLimits(0, secondColHandlePos);
+  secondColHandle->setXPos(secondColHandlePos);
+  secondColHandle->setXLimits(firstColHandlePos, width() - minContentsWidth);
+
+  emit heightChanged(height());
 }
 
 ChatScene::~ChatScene() {
@@ -41,29 +74,68 @@ ChatScene::~ChatScene() {
 
 }
 
-void ChatScene::appendMsg(AbstractUiMsg * msg) {
-  ChatLine *line = dynamic_cast<ChatLine*>(msg);
-  Q_ASSERT(line);
-  _lines.append(line);
-  addItem(line);
-  line->setPos(0, _lines.count() * 30);
-  line->setColumnWidths(80, 80, 400);
+void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
+  Q_UNUSED(index);
+  // maybe make this more efficient by prepending stuff with negative yval
+  // dunno if that's worth not guranteeing that 0 is on the top...
+  // TODO bulk inserts, iterators
+  qreal h = 0;
+  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));
+    _lines.insert(i, line);
+    addItem(line);
+    if(_width > 0) {
+      line->setPos(0, y+h);
+      h += line->setGeometry(_width, firstColHandlePos, secondColHandlePos);
+    }
+  }
+  if(h > 0) {
+    _height += h;
+    for(int i = end+1; i < _lines.count(); i++) {
+      _lines.value(i)->moveBy(0, h);
+    }
+    setSceneRect(QRectF(0, 0, _width, _height));
+    emit heightChanged(_height);
+  }
 }
 
-void ChatScene::prependMsg(AbstractUiMsg * msg) {
-  ChatLine *line = dynamic_cast<ChatLine*>(msg);
-  Q_ASSERT(line); qDebug() << "prepending";
-  _lines.prepend(line);
-  addItem(line);
-  line->setPos(0, _lines.count() * 30);
+void ChatScene::setWidth(qreal w) {
+  _width = w;
+  _height = 0;
+  foreach(ChatLine *line, _lines) {
+    line->setPos(0, _height);
+    _height += line->setGeometry(_width, firstColHandlePos, secondColHandlePos);
+  }
+  setSceneRect(QRectF(0, 0, w, _height));
+  secondColHandle->setXLimits(firstColHandlePos, width() - minContentsWidth);
+  emit heightChanged(_height);
 }
 
-void ChatScene::mousePressEvent ( QGraphicsSceneMouseEvent * mouseEvent ) {
-  qDebug() << "recv" << mouseEvent->scenePos();
-  ChatLine *line = static_cast<ChatLine*>(itemAt(mouseEvent->scenePos()));
-  ChatItem *item = static_cast<ChatItem*>(itemAt(mouseEvent->scenePos()));
-  qDebug() << (void*)line << (void*)item;
-  if(line) {
-    line->myMousePressEvent(mouseEvent);
-  } else  QGraphicsScene::mousePressEvent(mouseEvent);
+void ChatScene::rectChanged(const QRectF &rect) {
+  firstColHandle->sceneRectChanged(rect);
+  secondColHandle->sceneRectChanged(rect);
+}
+
+void ChatScene::handlePositionChanged(qreal xpos) {
+  bool first = (sender() == firstColHandle);
+  qreal oldx;
+  if(first) {
+    oldx = firstColHandlePos;
+    firstColHandlePos = xpos;
+  } else {
+    oldx = secondColHandlePos;
+    secondColHandlePos = xpos;
+  }
+  QtUiSettings s;
+  s.setValue(QString("ChatView/%1/FirstColumnHandlePos").arg(_idString), firstColHandlePos);
+  s.setValue(QString("ChatView/%1/SecondColumnHandlePos").arg(_idString), secondColHandlePos);
+  s.setValue(QString("ChatView/DefaultFirstColumnHandlePos"), firstColHandlePos);
+  s.setValue(QString("ChatView/DefaultSecondColumnHandlePos"), secondColHandlePos);
+
+  setWidth(width());  // readjust all chatlines
+  // we get ugly redraw errors if we don't update this explicitly... :(
+  // width() should be the same for both handles, so just use firstColHandle regardless
+  update(qMin(oldx, xpos) - firstColHandle->width()/2, 0, qMax(oldx, xpos) + firstColHandle->width()/2, height());
 }