#include "columnhandleitem.h"
#include "messagefilter.h"
#include "qtui.h"
+#include "qtuistyle.h"
#include "chatviewsettings.h"
+#include "webpreviewitem.h"
const qreal minContentsWidth = 200;
_idString(idString),
_model(model),
_singleBufferScene(false),
+ _sceneRect(0, 0, width, 0),
+ _firstLineRow(-1),
+ _viewportHeight(0),
_selectingItem(0),
_selectionStart(-1),
_isSelecting(false),
void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
Q_UNUSED(index);
+
+ clearWebPreview();
+
+// QModelIndex sidx = model()->index(start, 0);
+// QModelIndex eidx = model()->index(end, 0);
+// qDebug() << "rowsInserted" << start << end << "-" << sidx.data(MessageModel::MsgIdRole).value<MsgId>() << eidx.data(MessageModel::MsgIdRole).value<MsgId>();
+
qreal h = 0;
- qreal y = sceneRect().y();
- qreal width = sceneRect().width();
+ qreal y = _sceneRect.y();
+ qreal width = _sceneRect.width();
bool atTop = true;
bool atBottom = false;
bool moveTop = false;
- bool hasWidth = (width != 0);
- if(start > 0) {
- y = _lines.value(start - 1)->y() + _lines.value(start - 1)->height();
+ if(start > 0 && start < _lines.count()) {
+ y = _lines.value(start)->y();
atTop = false;
}
- if(start == _lines.count())
+ if(start == _lines.count()) {
+ y = _sceneRect.bottom();
+ atTop = false;
atBottom = true;
+ }
- for(int i = end; i >= start; i--) {
- ChatLine *line = new ChatLine(i, model());
- _lines.insert(start, line);
- addItem(line);
- if(hasWidth) {
- if(atTop) {
- h -= line->setGeometry(width);
- line->setPos(0, y+h);
- } else {
- line->setPos(0, y+h);
- h += line->setGeometry(width);
- }
+ qreal contentsWidth = width - secondColumnHandle()->sceneRight();
+ qreal senderWidth = secondColumnHandle()->sceneLeft() - firstColumnHandle()->sceneRight();
+ qreal timestampWidth = firstColumnHandle()->sceneLeft();
+ QPointF contentsPos(secondColumnHandle()->sceneRight(), 0);
+ QPointF senderPos(firstColumnHandle()->sceneRight(), 0);
+
+ if(atTop) {
+ for(int i = end; i >= start; i--) {
+ ChatLine *line = new ChatLine(i, model(),
+ width,
+ timestampWidth, senderWidth, contentsWidth,
+ senderPos, contentsPos);
+ h += line->height();
+ line->setPos(0, y-h);
+ _lines.insert(start, line);
+ addItem(line);
+ }
+ } else {
+ for(int i = start; i <= end; i++) {
+ ChatLine *line = new ChatLine(i, model(),
+ width,
+ timestampWidth, senderWidth, contentsWidth,
+ senderPos, contentsPos);
+ line->setPos(0, y+h);
+ h += line->height();
+ _lines.insert(i, line);
+ addItem(line);
}
}
qreal offset = h;
int moveStart = 0;
int moveEnd = _lines.count() - 1;
- ChatLine *line = 0;
- if(end > _lines.count() - end) {
+ // move top means: moving 0 to end (aka: end + 1)
+ // move top means: moving end + 1 to _lines.count() - 1 (aka: _lines.count() - (end + 1)
+ if(end + 1 < _lines.count() - end - 1) {
// move top part
moveTop = true;
offset = -offset;
moveEnd = end;
} else {
// move bottom part
- moveStart = start;
+ moveStart = end + 1;
}
+ ChatLine *line = 0;
for(int i = moveStart; i <= moveEnd; i++) {
line = _lines.at(i);
line->setPos(0, line->pos().y() + offset);
}
}
-
- // update sceneRect
- if(atTop || moveTop) {
- setSceneRect(sceneRect().adjusted(0, h, 0, 0));
- } else {
- setSceneRect(sceneRect().adjusted(0, 0, 0, h));
- emit sceneHeightChanged(h);
+
+ if(!atBottom) {
+ if(start < _firstLineRow) {
+ int prevFirstLineRow = _firstLineRow + (end - start + 1);
+ for(int i = end + 1; i < prevFirstLineRow; i++) {
+ _lines.at(i)->show();
+ }
+ }
+ // force new search for first proper line
+ _firstLineRow = -1;
+ }
+ updateSceneRect();
+ if(atBottom) {
+ emit lastLineChanged(_lines.last());
}
}
void ChatScene::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
Q_UNUSED(parent);
+ clearWebPreview();
+
qreal h = 0; // total height of removed items;
bool atTop = (start == 0);
qreal offset = h;
int moveStart = 0;
int moveEnd = _lines.count() - 1;
- ChatLine *line = 0;
- if(start > _lines.count() - end) {
+ if(start < _lines.count() - start) {
// move top part
moveTop = true;
moveEnd = start - 1;
moveStart = start;
offset = -offset;
}
+ ChatLine *line = 0;
for(int i = moveStart; i <= moveEnd; i++) {
line = _lines.at(i);
line->setPos(0, line->pos().y() + offset);
}
}
+
// update sceneRect
- if(atTop || moveTop) {
- setSceneRect(sceneRect().adjusted(0, h, 0, 0));
- } else {
- setSceneRect(sceneRect().adjusted(0, 0, 0, -h));
- }
+ // when searching for the first non-date-line we have to take into account that our
+ // model still contains the just removed lines so we cannot simply call updateSceneRect()
+ int numRows = model()->rowCount();
+ QModelIndex firstLineIdx;
+ _firstLineRow = -1;
+ bool needOffset = false;
+ do {
+ _firstLineRow++;
+ if(_firstLineRow >= start && _firstLineRow <= end) {
+ _firstLineRow = end + 1;
+ needOffset = true;
+ }
+ firstLineIdx = model()->index(_firstLineRow, 0);
+ } while((Message::Type)(model()->data(firstLineIdx, MessageModel::TypeRole).toInt()) == Message::DayChange && _firstLineRow < numRows);
+ if(needOffset)
+ _firstLineRow -= end - start + 1;
+ updateSceneRect();
}
+void ChatScene::updateForViewport(qreal width, qreal height) {
+ _viewportHeight = height;
+ setWidth(width);
+}
+
+// setWidth is used for 2 things:
+// a) updating the scene to fit the width of the corresponding view
+// b) to update the positions of the items if a columhandle has changed it's position
+// forceReposition is true in the second case
+// this method features some codeduplication for the sake of performance
void ChatScene::setWidth(qreal width, bool forceReposition) {
- if(width == sceneRect().width() && !forceReposition)
+ if(width == _sceneRect.width() && !forceReposition)
return;
- qreal oldHeight = sceneRect().height();
- qreal y = sceneRect().y();
- qreal linePos = y;
-
- foreach(ChatLine *line, _lines) {
- line->setPos(0, linePos);
- linePos += line->setGeometry(width);
+// clock_t startT = clock();
+
+ qreal linePos = _sceneRect.y() + _sceneRect.height();
+ QList<ChatLine *>::iterator lineIter = _lines.end();
+ QList<ChatLine *>::iterator lineIterBegin = _lines.begin();
+ ChatLine *line = 0;
+ qreal lineHeight = 0;
+ qreal contentsWidth = width - secondColumnHandle()->sceneRight();
+
+ if(forceReposition) {
+ qreal timestampWidth = firstColumnHandle()->sceneLeft();
+ qreal senderWidth = secondColumnHandle()->sceneLeft() - firstColumnHandle()->sceneRight();
+ QPointF senderPos(firstColumnHandle()->sceneRight(), 0);
+ QPointF contentsPos(secondColumnHandle()->sceneRight(), 0);
+ while(lineIter != lineIterBegin) {
+ lineIter--;
+ line = *lineIter;
+ lineHeight = line->setColumns(timestampWidth, senderWidth, contentsWidth, senderPos, contentsPos);
+ linePos -= lineHeight;
+ line->setPos(0, linePos);
+ }
+ } else {
+ while(lineIter != lineIterBegin) {
+ lineIter--;
+ line = *lineIter;
+ lineHeight = line->setGeometryByWidth(width, contentsWidth);
+ linePos -= lineHeight;
+ line->setPos(0, linePos);
+ }
}
- qreal height = linePos - y;
-
- setSceneRect(QRectF(0, y, width, height));
+ updateSceneRect(width);
setHandleXLimits();
- qreal dh = height - oldHeight;
- if(dh > 0)
- emit sceneHeightChanged(dh);
+// clock_t endT = clock();
+// qDebug() << "resized" << _lines.count() << "in" << (float)(endT - startT) / CLOCKS_PER_SEC << "sec";
}
void ChatScene::handlePositionChanged(qreal xpos) {
}
void ChatScene::setHandleXLimits() {
- firstColHandle->setXLimits(0, secondColumnHandleRect().left());
- secondColHandle->setXLimits(firstColumnHandleRect().right(), 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(secondColumnHandleRect().right() + 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() > secondColumnHandleRect().right()) curColumn = ChatLineModel::ContentsColumn;
+ if(pos.x() > secondColHandle->sceneRight()) curColumn = ChatLineModel::ContentsColumn;
else if(pos.x() > firstColHandlePos) curColumn = ChatLineModel::SenderColumn;
else curColumn = ChatLineModel::TimestampColumn;
}
void ChatScene::requestBacklog() {
- static const int REQUEST_COUNT = 50;
+ static const int REQUEST_COUNT = 500;
int backlogSize = model()->rowCount();
if(isSingleBufferScene() && backlogSize != 0 && _lastBacklogSize + REQUEST_COUNT <= backlogSize) {
QModelIndex msgIdx = model()->index(0, 0);
+ while((Message::Type)(model()->data(msgIdx, ChatLineModel::TypeRole).toInt()) == Message::DayChange) {
+ msgIdx = msgIdx.sibling(msgIdx.row() + 1, 0);
+ }
MsgId msgId = model()->data(msgIdx, ChatLineModel::MsgIdRole).value<MsgId>();
BufferId bufferId = model()->data(msgIdx, ChatLineModel::BufferIdRole).value<BufferId>();
_lastBacklogSize = backlogSize;
return ChatLineModel::ContentsColumn;
}
+
+void ChatScene::updateSceneRect() {
+ if(_lines.isEmpty()) {
+ updateSceneRect(QRectF(0, 0, _sceneRect.width(), 0));
+ return;
+ }
+
+ // we hide day change messages at the top by making the scene rect smaller
+ // and by calling QGraphicsItem::hide() on all leading day change messages
+ // the first one is needed to ensure proper scrollbar ranges
+ // the second for cases where the viewport is larger then the set scenerect
+ // (in this case the items are shown anyways)
+ if(_firstLineRow == -1) {
+ int numRows = model()->rowCount();
+ _firstLineRow = 0;
+ QModelIndex firstLineIdx;
+ while(_firstLineRow < numRows) {
+ firstLineIdx = model()->index(_firstLineRow, 0);
+ if((Message::Type)(model()->data(firstLineIdx, MessageModel::TypeRole).toInt()) != Message::DayChange)
+ break;
+ _lines.at(_firstLineRow)->hide();
+ _firstLineRow++;
+ }
+ }
+
+ // the following call should be safe. If it crashes something went wrong during insert/remove
+ ChatLine *firstLine = _lines.at(_firstLineRow);
+ ChatLine *lastLine = _lines.last();
+ updateSceneRect(QRectF(0, firstLine->pos().y(), _sceneRect.width(), lastLine->pos().y() + lastLine->height() - firstLine->pos().y()));
+}
+
+void ChatScene::updateSceneRect(qreal width) {
+ _sceneRect.setWidth(width);
+ updateSceneRect();
+}
+
+void ChatScene::updateSceneRect(const QRectF &rect) {
+ _sceneRect = rect;
+ setSceneRect(rect);
+}
+
+
+void ChatScene::loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect) {
+#ifndef HAVE_WEBKIT
+ Q_UNUSED(parentItem)
+ Q_UNUSED(url)
+ Q_UNUSED(urlRect)
+#else
+ if(webPreview.parentItem != parentItem)
+ webPreview.parentItem = parentItem;
+
+ if(webPreview.url != url) {
+ webPreview.url = url;
+ // load a new web view and delete the old one (if exists)
+ if(webPreview.previewItem) {
+ removeItem(webPreview.previewItem);
+ delete webPreview.previewItem;
+ }
+ webPreview.previewItem = new WebPreviewItem(url);
+ addItem(webPreview.previewItem);
+ }
+ if(webPreview.urlRect != urlRect) {
+ webPreview.urlRect = urlRect;
+ qreal previewY = urlRect.bottom();
+ qreal previewX = urlRect.x();
+ if(previewY + webPreview.previewItem->boundingRect().height() > sceneRect().bottom())
+ previewY = urlRect.y() - webPreview.previewItem->boundingRect().height();
+
+ if(previewX + webPreview.previewItem->boundingRect().width() > sceneRect().width())
+ previewX = sceneRect().right() - webPreview.previewItem->boundingRect().width();
+
+ webPreview.previewItem->setPos(previewX, previewY);
+ }
+#endif
+}
+
+void ChatScene::clearWebPreview(ChatItem *parentItem) {
+#ifndef HAVE_WEBKIT
+ Q_UNUSED(parentItem)
+#else
+ if(parentItem == 0 || webPreview.parentItem == parentItem) {
+ if(webPreview.previewItem) {
+ removeItem(webPreview.previewItem);
+ delete webPreview.previewItem;
+ webPreview.previewItem = 0;
+ }
+ webPreview.parentItem = 0;
+ webPreview.url = QString();
+ webPreview.urlRect = QRectF();
+ }
+#endif
+}
projects / quassel.git / blobdiff