#include <QClipboard>
#include <QGraphicsSceneMouseEvent>
#include <QPersistentModelIndex>
+#include <QWebView>
#include "chatitem.h"
#include "chatline.h"
const qreal minContentsWidth = 200;
-class ClearWebPreviewEvent : public QEvent {
-public:
- inline ClearWebPreviewEvent() : QEvent(QEvent::User) {}
-};
-
ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, QObject *parent)
: QGraphicsScene(0, 0, width, 0, parent),
_idString(idString),
int defaultSecondColHandlePos = defaultSettings.value("SecondColumnHandlePos", 200).toInt();
ChatViewSettings viewSettings(this);
- firstColHandlePos = viewSettings.value("FirstColumnHandlePos", defaultFirstColHandlePos).toInt();
- secondColHandlePos = viewSettings.value("SecondColumnHandlePos", defaultSecondColHandlePos).toInt();
+ _firstColHandlePos = viewSettings.value("FirstColumnHandlePos", defaultFirstColHandlePos).toInt();
+ _secondColHandlePos = viewSettings.value("SecondColumnHandlePos", defaultSecondColHandlePos).toInt();
- firstColHandle = new ColumnHandleItem(QtUi::style()->firstColumnSeparator());
- addItem(firstColHandle);
- firstColHandle->setXPos(firstColHandlePos);
- connect(firstColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
- connect(this, SIGNAL(sceneRectChanged(const QRectF &)), firstColHandle, SLOT(sceneRectChanged(const QRectF &)));
+ _firstColHandle = new ColumnHandleItem(QtUi::style()->firstColumnSeparator());
+ addItem(_firstColHandle);
+ _firstColHandle->setXPos(_firstColHandlePos);
+ connect(_firstColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
+ connect(this, SIGNAL(sceneRectChanged(const QRectF &)), _firstColHandle, SLOT(sceneRectChanged(const QRectF &)));
- secondColHandle = new ColumnHandleItem(QtUi::style()->secondColumnSeparator());
- addItem(secondColHandle);
- secondColHandle->setXPos(secondColHandlePos);
- connect(secondColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
- connect(this, SIGNAL(sceneRectChanged(const QRectF &)), secondColHandle, SLOT(sceneRectChanged(const QRectF &)));
+ _secondColHandle = new ColumnHandleItem(QtUi::style()->secondColumnSeparator());
+ addItem(_secondColHandle);
+ _secondColHandle->setXPos(_secondColHandlePos);
+ connect(_secondColHandle, SIGNAL(positionChanged(qreal)), this, SLOT(handlePositionChanged(qreal)));
+ connect(this, SIGNAL(sceneRectChanged(const QRectF &)), _secondColHandle, SLOT(sceneRectChanged(const QRectF &)));
setHandleXLimits();
if(model->rowCount() > 0)
rowsInserted(QModelIndex(), 0, model->rowCount() - 1);
+#ifdef HAVE_WEBKIT
webPreview.delayTimer.setSingleShot(true);
- connect(&webPreview.delayTimer, SIGNAL(timeout()), this, SLOT(showWebPreview()));
+ connect(&webPreview.delayTimer, SIGNAL(timeout()), this, SLOT(showWebPreviewEvent()));
+ webPreview.deleteTimer.setInterval(600000);
+ connect(&webPreview.deleteTimer, SIGNAL(timeout()), this, SLOT(deleteWebPreviewEvent()));
+#endif
}
ChatScene::~ChatScene() {
}
}
+ // check if all went right
+ Q_ASSERT(start == 0 || _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() == _lines.at(start)->pos().y());
+ Q_ASSERT(end + 1 == _lines.count() || _lines.at(end)->pos().y() + _lines.at(end)->height() == _lines.at(end + 1)->pos().y());
+
if(!atBottom) {
if(start < _firstLineRow) {
int prevFirstLineRow = _firstLineRow + (end - start + 1);
_firstLineRow = -1;
}
updateSceneRect();
- if(atBottom) {
- emit lastLineChanged(_lines.last());
+ if(atBottom || (!atTop && !moveTop)) {
+ emit lastLineChanged(_lines.last(), h);
}
-
}
void ChatScene::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
}
}
+ Q_ASSERT(start == 0 || _lines.at(start - 1)->pos().y() + _lines.at(start - 1)->height() == _lines.at(start)->pos().y());
+ Q_ASSERT(end + 1 == _lines.count() || _lines.at(end)->pos().y() + _lines.at(end)->height() == _lines.at(end + 1)->pos().y());
// update sceneRect
// when searching for the first non-date-line we have to take into account that our
// clock_t startT = clock();
+ // disabling the index while doing this complex updates is about
+ // 2 to 10 times faster!
+ setItemIndexMethod(QGraphicsScene::NoIndex);
+
qreal linePos = _sceneRect.y() + _sceneRect.height();
QList<ChatLine *>::iterator lineIter = _lines.end();
QList<ChatLine *>::iterator lineIterBegin = _lines.begin();
line->setPos(0, linePos);
}
}
+ setItemIndexMethod(QGraphicsScene::BspTreeIndex);
updateSceneRect(width);
setHandleXLimits();
}
void ChatScene::handlePositionChanged(qreal xpos) {
- bool first = (sender() == firstColHandle);
+ bool first = (sender() == _firstColHandle);
qreal oldx;
if(first) {
- oldx = firstColHandlePos;
- firstColHandlePos = xpos;
+ oldx = _firstColHandlePos;
+ _firstColHandlePos = xpos;
} else {
- oldx = secondColHandlePos;
- secondColHandlePos = xpos;
+ oldx = _secondColHandlePos;
+ _secondColHandlePos = xpos;
}
ChatViewSettings viewSettings(this);
- viewSettings.setValue("FirstColumnHandlePos", firstColHandlePos);
- viewSettings.setValue("SecondColumnHandlePos", secondColHandlePos);
+ viewSettings.setValue("FirstColumnHandlePos", _firstColHandlePos);
+ viewSettings.setValue("SecondColumnHandlePos", _secondColHandlePos);
ChatViewSettings defaultSettings;
- defaultSettings.setValue("FirstColumnHandlePos", firstColHandlePos);
- defaultSettings.setValue("SecondColumnHandlePos", secondColHandlePos);
+ defaultSettings.setValue("FirstColumnHandlePos", _firstColHandlePos);
+ defaultSettings.setValue("SecondColumnHandlePos", _secondColHandlePos);
setWidth(width(), true); // 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
+ // width() should be the same for both handles, so just use _firstColHandle regardless
//update(qMin(oldx, xpos), 0, qMax(oldx, xpos) + firstColHandle->width(), height());
}
void ChatScene::setHandleXLimits() {
- firstColHandle->setXLimits(0, secondColHandle->sceneLeft());
- secondColHandle->setXLimits(firstColHandle->sceneRight(), width() - minContentsWidth);
+ _firstColHandle->setXLimits(0, _secondColHandle->sceneLeft());
+ _secondColHandle->setXLimits(_firstColHandle->sceneRight(), width() - minContentsWidth);
}
void ChatScene::setSelectingItem(ChatItem *item) {
void ChatScene::updateSelection(const QPointF &pos) {
// This is somewhat hacky... we look at the contents item that is at the cursor's y position (ignoring x), since
// it has the full height. From this item, we can then determine the row index and hence the ChatLine.
- ChatItem *contentItem = static_cast<ChatItem *>(itemAt(QPointF(secondColHandle->sceneRight() + 1, pos.y())));
+ ChatItem *contentItem = static_cast<ChatItem *>(itemAt(QPointF(_secondColHandle->sceneRight() + 1, pos.y())));
if(!contentItem) return;
int curRow = contentItem->row();
int curColumn;
- if(pos.x() > secondColHandle->sceneRight()) curColumn = ChatLineModel::ContentsColumn;
- else if(pos.x() > firstColHandlePos) curColumn = ChatLineModel::SenderColumn;
+ if(pos.x() > _secondColHandle->sceneRight()) curColumn = ChatLineModel::ContentsColumn;
+ else if(pos.x() > _firstColHandlePos) curColumn = ChatLineModel::SenderColumn;
else curColumn = ChatLineModel::TimestampColumn;
ChatLineModel::ColumnType minColumn = (ChatLineModel::ColumnType)qMin(curColumn, _selectionStartCol);
}
int ChatScene::sectionByScenePos(int x) {
- if(x < firstColHandle->x())
+ if(x < _firstColHandle->x())
return ChatLineModel::TimestampColumn;
- if(x < secondColHandle->x())
+ if(x < _secondColHandle->x())
return ChatLineModel::SenderColumn;
return ChatLineModel::ContentsColumn;
void ChatScene::updateSceneRect(const QRectF &rect) {
_sceneRect = rect;
setSceneRect(rect);
+ update();
}
void ChatScene::customEvent(QEvent *event) {
- if(event->type() != QEvent::User)
+ switch(event->type()) {
+ default:
return;
-
- event->accept();
- clearWebPreviewEvent();
+ }
}
void ChatScene::loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect) {
if(webPreview.url != url) {
webPreview.url = url;
// load a new web view and delete the old one (if exists)
- if(webPreview.previewItem) {
+ if(webPreview.previewItem && webPreview.previewItem->scene()) {
removeItem(webPreview.previewItem);
delete webPreview.previewItem;
}
webPreview.previewItem = new WebPreviewItem(url);
webPreview.delayTimer.start(2000);
+ webPreview.deleteTimer.stop();
+ } else if(webPreview.previewItem && !webPreview.previewItem->scene()) {
+ // we just have to readd the item to the scene
+ webPreview.delayTimer.start(2000);
+ webPreview.deleteTimer.stop();
}
if(webPreview.urlRect != urlRect) {
webPreview.urlRect = urlRect;
#endif
}
+void ChatScene::showWebPreviewEvent() {
+#ifdef HAVE_WEBKIT
+ if(webPreview.previewItem)
+ addItem(webPreview.previewItem);
+#endif
+}
+
void ChatScene::clearWebPreview(ChatItem *parentItem) {
#ifndef HAVE_WEBKIT
Q_UNUSED(parentItem)
#else
if(parentItem == 0 || webPreview.parentItem == parentItem) {
- // posting an event ensures that the item will not be removed as
- // the result of another event. this could result in bad segfaults
- QCoreApplication::postEvent(this, new ClearWebPreviewEvent());
+ if(webPreview.previewItem && webPreview.previewItem->scene()) {
+ removeItem(webPreview.previewItem);
+ webPreview.deleteTimer.start();
+ }
+ webPreview.delayTimer.stop();
}
#endif
}
-void ChatScene::showWebPreview() {
-#ifdef HAVE_WEBKIT
- if(webPreview.previewItem)
- addItem(webPreview.previewItem);
-#endif
-}
-
-void ChatScene::clearWebPreviewEvent() {
+void ChatScene::deleteWebPreviewEvent() {
#ifdef HAVE_WEBKIT
if(webPreview.previewItem) {
- if(!webPreview.delayTimer.isActive())
- removeItem(webPreview.previewItem);
- else
- webPreview.delayTimer.stop();
delete webPreview.previewItem;
webPreview.previewItem = 0;
}