#include "chatview.h"
#include "client.h"
#include "messagefilter.h"
+#include "qtui.h"
+#include "qtuistyle.h"
+#include "clientignorelistmanager.h"
+
+#include "chatline.h"
ChatView::ChatView(BufferId bufferId, QWidget *parent)
: QGraphicsView(parent),
- AbstractChatView(),
- _bufferContainer(0),
- _currentScaleFactor(1)
+ AbstractChatView()
{
QList<BufferId> filterList;
filterList.append(bufferId);
ChatView::ChatView(MessageFilter *filter, QWidget *parent)
: QGraphicsView(parent),
- AbstractChatView(),
- _bufferContainer(0),
- _currentScaleFactor(1)
+ AbstractChatView()
{
init(filter);
}
void ChatView::init(MessageFilter *filter) {
+ _bufferContainer = 0;
+ _currentScaleFactor = 1;
+ _invalidateFilter = false;
+
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
- setAlignment(Qt::AlignBottom);
+ setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+ setAlignment(Qt::AlignLeft|Qt::AlignBottom);
setInteractive(true);
//setOptimizationFlags(QGraphicsView::DontClipPainter | QGraphicsView::DontAdjustForAntialiasing);
// setOptimizationFlags(QGraphicsView::DontAdjustForAntialiasing);
_scrollTimer.setSingleShot(true);
connect(&_scrollTimer, SIGNAL(timeout()), SLOT(scrollTimerTimeout()));
- _scene = new ChatScene(filter, filter->idString(), viewport()->width() - 4, this); // see below: resizeEvent()
- connect(_scene, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(sceneRectChanged(const QRectF &)));
+ _scene = new ChatScene(filter, filter->idString(), viewport()->width(), this);
+ connect(_scene, SIGNAL(sceneRectChanged(const QRectF &)), this, SLOT(adjustSceneRect()));
connect(_scene, SIGNAL(lastLineChanged(QGraphicsItem *, qreal)), this, SLOT(lastLineChanged(QGraphicsItem *, qreal)));
connect(_scene, SIGNAL(mouseMoveWhileSelecting(const QPointF &)), this, SLOT(mouseMoveWhileSelecting(const QPointF &)));
setScene(_scene);
connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(verticalScrollbarChanged(int)));
+ _lastScrollbarPos = verticalScrollBar()->value();
+
+ connect(Client::networkModel(), SIGNAL(markerLineSet(BufferId,MsgId)), SLOT(markerLineSet(BufferId,MsgId)));
+
+ // only connect if client is synched with a core
+ if(Client::isConnected())
+ connect(Client::ignoreListManager(), SIGNAL(ignoreListChanged()), this, SLOT(invalidateFilter()));
}
bool ChatView::event(QEvent *event) {
case Qt::Key_PageUp:
case Qt::Key_PageDown:
if(!verticalScrollBar()->isVisible()) {
- scene()->requestBacklog();
- return true;
+ scene()->requestBacklog();
+ return true;
}
default:
break;
}
}
+ if(event->type() == QEvent::Show) {
+ if(_invalidateFilter)
+ invalidateFilter();
+ }
+
return QGraphicsView::event(event);
}
void ChatView::resizeEvent(QResizeEvent *event) {
QGraphicsView::resizeEvent(event);
+ // FIXME: do we really need to scroll down on resize?
+
// we can reduce viewport updates if we scroll to the bottom allready at the beginning
verticalScrollBar()->setValue(verticalScrollBar()->maximum());
-
- // FIXME: without the hardcoded -4 Qt reserves space for a horizontal scrollbar even though it's disabled permanently.
- // this does only occur on QtX11 (at least not on Qt for Mac OS). Seems like a Qt Bug.
- scene()->updateForViewport(viewport()->width() - 4, viewport()->height());
+ scene()->updateForViewport(viewport()->width(), viewport()->height());
+ adjustSceneRect();
_lastScrollbarPos = verticalScrollBar()->maximum();
verticalScrollBar()->setValue(verticalScrollBar()->maximum());
+
+ checkChatLineCaches();
+}
+
+void ChatView::adjustSceneRect() {
+ // Workaround for QTBUG-6322
+ // If the viewport's sceneRect() is (almost) as wide as as the viewport itself,
+ // Qt wants to reserve space for scrollbars even if they're turned off, resulting in
+ // an ugly white space at the bottom of the ChatView.
+ // Since the view's scene's width actually doesn't matter at all, we just adjust it
+ // by some hopefully large enough value to avoid this problem.
+
+ setSceneRect(scene()->sceneRect().adjusted(0, 0, -25 ,0));
}
void ChatView::mouseMoveWhileSelecting(const QPointF &scenePos) {
if(!model || model->rowCount() == 0)
return MsgId();
- return model->data(model->index(model->rowCount() - 1, 0), MessageModel::MsgIdRole).value<MsgId>();
+ return model->index(model->rowCount() - 1, 0).data(MessageModel::MsgIdRole).value<MsgId>();
+}
+
+MsgId ChatView::lastVisibleMsgId() const {
+ ChatLine *line = lastVisibleChatLine();
+
+ if(line)
+ return line->msgId();
+
+ return MsgId();
+}
+
+bool chatLinePtrLessThan(ChatLine *one, ChatLine *other) {
+ return one->row() < other->row();
+}
+
+// TODO: figure out if it's cheaper to use a cached list (that we'd need to keep updated)
+QSet<ChatLine *> ChatView::visibleChatLines(Qt::ItemSelectionMode mode) const {
+ QSet<ChatLine *> result;
+ foreach(QGraphicsItem *item, items(viewport()->rect().adjusted(-1, -1, 1, 1), mode)) {
+ ChatLine *line = qgraphicsitem_cast<ChatLine *>(item);
+ if(line)
+ result.insert(line);
+ }
+ return result;
+}
+
+QList<ChatLine *> ChatView::visibleChatLinesSorted(Qt::ItemSelectionMode mode) const {
+ QList<ChatLine *> result = visibleChatLines(mode).toList();
+ qSort(result.begin(), result.end(), chatLinePtrLessThan);
+ return result;
+}
+
+ChatLine *ChatView::lastVisibleChatLine(bool ignoreDayChange) const {
+ if(!scene())
+ return 0;
+
+ QAbstractItemModel *model = scene()->model();
+ if(!model || model->rowCount() == 0)
+ return 0;
+
+ int row = -1;
+
+ QSet<ChatLine *> visibleLines = visibleChatLines(Qt::ContainsItemBoundingRect);
+ foreach(ChatLine *line, visibleLines) {
+ if(line->row() > row && (ignoreDayChange? line->msgType() != Message::DayChange : true))
+ row = line->row();
+ }
+
+ if(row >= 0)
+ return scene()->chatLine(row);
+
+ return 0;
+}
+
+void ChatView::setMarkerLineVisible(bool visible) {
+ scene()->setMarkerLineVisible(visible);
+}
+
+void ChatView::setMarkerLine(MsgId msgId) {
+ if(!scene()->isSingleBufferScene())
+ return;
+
+ BufferId bufId = scene()->singleBufferId();
+ Client::setMarkerLine(bufId, msgId);
+}
+
+void ChatView::markerLineSet(BufferId buffer, MsgId msgId) {
+ if(!scene()->isSingleBufferScene() || scene()->singleBufferId() != buffer)
+ return;
+
+ scene()->setMarkerLine(msgId);
+ scene()->setMarkerLineVisible(true);
+}
+
+void ChatView::jumpToMarkerLine(bool requestBacklog) {
+ scene()->jumpToMarkerLine(requestBacklog);
}
void ChatView::addActionsToMenu(QMenu *menu, const QPointF &pos) {
_currentScaleFactor = 1;
scene()->setWidth(viewport()->width() - 2);
}
+
+void ChatView::invalidateFilter() {
+ // if this is the currently selected chatview
+ // invalidate immediately
+ if(isVisible()) {
+ _scene->filter()->invalidateFilter();
+ _invalidateFilter = false;
+ }
+ // otherwise invalidate whenever the view is shown
+ else {
+ _invalidateFilter = true;
+ }
+}
+
+void ChatView::scrollContentsBy(int dx, int dy) {
+ QGraphicsView::scrollContentsBy(dx, dy);
+ checkChatLineCaches();
+}
+
+void ChatView::setHasCache(ChatLine *line, bool hasCache) {
+ if(hasCache)
+ _linesWithCache.insert(line);
+ else
+ _linesWithCache.remove(line);
+}
+
+void ChatView::checkChatLineCaches() {
+ qreal top = mapToScene(viewport()->rect().topLeft()).y() - 10; // some grace area to avoid premature cleaning
+ qreal bottom = mapToScene(viewport()->rect().bottomRight()).y() + 10;
+ QSet<ChatLine *>::iterator iter = _linesWithCache.begin();
+ while(iter != _linesWithCache.end()) {
+ ChatLine *line = *iter;
+ if(line->pos().y() + line->height() < top || line->pos().y() > bottom) {
+ line->clearCache();
+ iter = _linesWithCache.erase(iter);
+ } else
+ ++iter;
+ }
+}