mirror of
https://github.com/qTox/qTox.git
synced 2024-03-22 14:00:36 +08:00
782 lines
19 KiB
C++
782 lines
19 KiB
C++
/*
|
|
Copyright (C) 2014 by Project Tox <https://tox.im>
|
|
|
|
This file is part of qTox, a Qt-based graphical interface for Tox.
|
|
|
|
This program is libre software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the COPYING file for more details.
|
|
*/
|
|
|
|
#include "chatlog.h"
|
|
#include "chatmessage.h"
|
|
#include "chatlinecontent.h"
|
|
|
|
#include <QDebug>
|
|
#include <QScrollBar>
|
|
#include <QApplication>
|
|
#include <QClipboard>
|
|
#include <QAction>
|
|
#include <QTimer>
|
|
#include <QMouseEvent>
|
|
|
|
template<class T>
|
|
T clamp(T x, T min, T max)
|
|
{
|
|
if(x > max)
|
|
return max;
|
|
if(x < min)
|
|
return min;
|
|
return x;
|
|
}
|
|
|
|
ChatLog::ChatLog(QWidget* parent)
|
|
: QGraphicsView(parent)
|
|
{
|
|
// Create the scene
|
|
busyScene = new QGraphicsScene(this);
|
|
scene = new QGraphicsScene(this);
|
|
scene->setItemIndexMethod(QGraphicsScene::BspTreeIndex);
|
|
setScene(scene);
|
|
|
|
// Cfg.
|
|
setInteractive(true);
|
|
setAcceptDrops(false);
|
|
setAlignment(Qt::AlignTop | Qt::AlignLeft);
|
|
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
|
setDragMode(QGraphicsView::NoDrag);
|
|
setViewportUpdateMode(MinimalViewportUpdate);
|
|
setContextMenuPolicy(Qt::CustomContextMenu);
|
|
setBackgroundBrush(QBrush(Qt::white, Qt::SolidPattern));
|
|
|
|
// The selection rect for multi-line selection
|
|
selGraphItem = scene->addRect(0,0,0,0,selectionRectColor.darker(120),selectionRectColor);
|
|
selGraphItem->setZValue(-1.0); // behind all other items
|
|
|
|
// copy action (ie. Ctrl+C)
|
|
copyAction = new QAction(this);
|
|
copyAction->setIcon(QIcon::fromTheme("edit-copy"));
|
|
copyAction->setText(tr("Copy"));
|
|
copyAction->setShortcut(QKeySequence::Copy);
|
|
copyAction->setEnabled(false);
|
|
connect(copyAction, &QAction::triggered, this, [this](bool) { copySelectedText(); });
|
|
addAction(copyAction);
|
|
|
|
// select all action (ie. Ctrl+A)
|
|
QAction* selectAllAction = new QAction(this);
|
|
selectAllAction->setIcon(QIcon::fromTheme("edit-select-all"));
|
|
selectAllAction->setText(tr("Select all"));
|
|
selectAllAction->setShortcut(QKeySequence::SelectAll);
|
|
connect(selectAllAction, &QAction::triggered, this, [this](bool) { selectAll(); });
|
|
addAction(selectAllAction);
|
|
|
|
// This timer is used to scroll the view while the user is
|
|
// moving the mouse past the top/bottom edge of the widget while selecting.
|
|
selectionTimer = new QTimer(this);
|
|
selectionTimer->setInterval(1000/30);
|
|
selectionTimer->setSingleShot(false);
|
|
selectionTimer->start();
|
|
connect(selectionTimer, &QTimer::timeout, this, &ChatLog::onSelectionTimerTimeout);
|
|
|
|
// Background worker
|
|
// Updates the layout of all chat-lines after a resize
|
|
workerTimer = new QTimer(this);
|
|
workerTimer->setSingleShot(false);
|
|
workerTimer->setInterval(5);
|
|
connect(workerTimer, &QTimer::timeout, this, &ChatLog::onWorkerTimeout);
|
|
}
|
|
|
|
void ChatLog::clearSelection()
|
|
{
|
|
if(selectionMode == None)
|
|
return;
|
|
|
|
for(int i=selFirstRow; i<=selLastRow; ++i)
|
|
lines[i]->selectionCleared();
|
|
|
|
selFirstRow = -1;
|
|
selLastRow = -1;
|
|
selClickedCol = -1;
|
|
selClickedRow = -1;
|
|
|
|
selectionMode = None;
|
|
copyAction->setEnabled(false);
|
|
|
|
updateMultiSelectionRect();
|
|
}
|
|
|
|
QRect ChatLog::getVisibleRect() const
|
|
{
|
|
return mapToScene(viewport()->rect()).boundingRect().toRect();
|
|
}
|
|
|
|
void ChatLog::updateSceneRect()
|
|
{
|
|
setSceneRect(calculateSceneRect());
|
|
}
|
|
|
|
void ChatLog::layout(int start, int end, qreal width)
|
|
{
|
|
if(lines.empty())
|
|
return;
|
|
|
|
qreal h = 0.0;
|
|
|
|
// Line at start-1 is considered to have the correct position. All following lines are
|
|
// positioned in respect to this line.
|
|
if(start - 1 >= 0)
|
|
h = lines[start - 1]->sceneBoundingRect().bottom() + lineSpacing;
|
|
|
|
start = clamp<int>(start, 0, lines.size());
|
|
end = clamp<int>(end + 1, 0, lines.size());
|
|
|
|
for(int i = start; i < end; ++i)
|
|
{
|
|
ChatLine* l = lines[i].get();
|
|
|
|
l->layout(width, QPointF(0.0, h));
|
|
h += l->sceneBoundingRect().height() + lineSpacing;
|
|
}
|
|
}
|
|
|
|
void ChatLog::mousePressEvent(QMouseEvent* ev)
|
|
{
|
|
QGraphicsView::mousePressEvent(ev);
|
|
|
|
QPointF scenePos = mapToScene(ev->pos());
|
|
|
|
if(ev->button() == Qt::LeftButton)
|
|
{
|
|
clickPos = ev->pos();
|
|
clearSelection();
|
|
}
|
|
|
|
if(ev->button() == Qt::RightButton)
|
|
{
|
|
if(!isOverSelection(scenePos))
|
|
clearSelection();
|
|
}
|
|
}
|
|
|
|
void ChatLog::mouseReleaseEvent(QMouseEvent* ev)
|
|
{
|
|
QGraphicsView::mouseReleaseEvent(ev);
|
|
|
|
QPointF scenePos = mapToScene(ev->pos());
|
|
|
|
if(ev->button() == Qt::RightButton)
|
|
{
|
|
if(!isOverSelection(scenePos))
|
|
clearSelection();
|
|
|
|
emit customContextMenuRequested(ev->pos());
|
|
}
|
|
|
|
selectionScrollDir = NoDirection;
|
|
}
|
|
|
|
void ChatLog::mouseMoveEvent(QMouseEvent* ev)
|
|
{
|
|
QGraphicsView::mouseMoveEvent(ev);
|
|
|
|
QPointF scenePos = mapToScene(ev->pos());
|
|
|
|
if(ev->buttons() & Qt::LeftButton)
|
|
{
|
|
//autoscroll
|
|
if(ev->pos().y() < 0)
|
|
selectionScrollDir = Up;
|
|
else if(ev->pos().y() > height())
|
|
selectionScrollDir = Down;
|
|
else
|
|
selectionScrollDir = NoDirection;
|
|
|
|
//select
|
|
if(selectionMode == None && (clickPos - ev->pos()).manhattanLength() > QApplication::startDragDistance())
|
|
{
|
|
QPointF sceneClickPos = mapToScene(clickPos.toPoint());
|
|
ChatLine::Ptr line = findLineByPosY(scenePos.y());
|
|
|
|
ChatLineContent* content = getContentFromPos(sceneClickPos);
|
|
if(content)
|
|
{
|
|
selClickedRow = content->getRow();
|
|
selClickedCol = content->getColumn();
|
|
selFirstRow = content->getRow();
|
|
selLastRow = content->getRow();
|
|
|
|
content->selectionStarted(sceneClickPos);
|
|
|
|
selectionMode = Precise;
|
|
copyAction->setEnabled(true);
|
|
|
|
// ungrab mouse grabber
|
|
if(scene->mouseGrabberItem())
|
|
scene->mouseGrabberItem()->ungrabMouse();
|
|
}
|
|
else if(line.get())
|
|
{
|
|
selClickedRow = line->getRow();
|
|
selFirstRow = selClickedRow;
|
|
selLastRow = selClickedRow;
|
|
|
|
selectionMode = Multi;
|
|
copyAction->setEnabled(true);
|
|
}
|
|
}
|
|
|
|
if(selectionMode != None)
|
|
{
|
|
ChatLineContent* content = getContentFromPos(scenePos);
|
|
ChatLine::Ptr line = findLineByPosY(scenePos.y());
|
|
|
|
if(!content && !line.get())
|
|
return;
|
|
|
|
int row;
|
|
|
|
if(content)
|
|
{
|
|
row = content->getRow();
|
|
int col = content->getColumn();
|
|
|
|
if(row == selClickedRow && col == selClickedCol)
|
|
{
|
|
selectionMode = Precise;
|
|
|
|
content->selectionMouseMove(scenePos);
|
|
selGraphItem->hide();
|
|
}
|
|
else if(col != selClickedCol)
|
|
{
|
|
selectionMode = Multi;
|
|
|
|
lines[selClickedRow]->selectionCleared();
|
|
}
|
|
}
|
|
else if(line.get())
|
|
{
|
|
row = line->getRow();
|
|
|
|
if(row != selClickedRow)
|
|
{
|
|
selectionMode = Multi;
|
|
|
|
lines[selClickedRow]->selectionCleared();
|
|
}
|
|
|
|
}
|
|
|
|
if(row >= selClickedRow)
|
|
selLastRow = row;
|
|
|
|
if(row <= selClickedRow)
|
|
selFirstRow = row;
|
|
|
|
updateMultiSelectionRect();
|
|
}
|
|
}
|
|
}
|
|
|
|
//Much faster than QGraphicsScene::itemAt()!
|
|
ChatLineContent* ChatLog::getContentFromPos(QPointF scenePos) const
|
|
{
|
|
if(lines.empty())
|
|
return nullptr;
|
|
|
|
auto itr = std::lower_bound(lines.cbegin(), lines.cend(), scenePos.y(), ChatLine::lessThanBSRectBottom);
|
|
|
|
//find content
|
|
if(itr != lines.cend() && (*itr)->sceneBoundingRect().contains(scenePos))
|
|
return (*itr)->getContent(scenePos);
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool ChatLog::isOverSelection(QPointF scenePos) const
|
|
{
|
|
if(selectionMode == Precise)
|
|
{
|
|
ChatLineContent* content = getContentFromPos(scenePos);
|
|
|
|
if(content)
|
|
return content->isOverSelection(scenePos);
|
|
}
|
|
else if(selectionMode == Multi)
|
|
{
|
|
if(selGraphItem->rect().contains(scenePos))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
qreal ChatLog::useableWidth() const
|
|
{
|
|
return width() - verticalScrollBar()->sizeHint().width() - margins.right() - margins.left();
|
|
}
|
|
|
|
void ChatLog::reposition(int start, int end, qreal deltaY)
|
|
{
|
|
if(lines.isEmpty())
|
|
return;
|
|
|
|
start = clamp<int>(start, 0, lines.size() - 1);
|
|
end = clamp<int>(end + 1, 0, lines.size());
|
|
|
|
for(int i = start; i < end; ++i)
|
|
{
|
|
ChatLine* l = lines[i].get();
|
|
l->moveBy(deltaY);
|
|
}
|
|
}
|
|
|
|
void ChatLog::insertChatlineAtBottom(ChatLine::Ptr l)
|
|
{
|
|
if(!l.get())
|
|
return;
|
|
|
|
bool stickToBtm = stickToBottom();
|
|
|
|
//insert
|
|
l->setRow(lines.size());
|
|
l->addToScene(scene);
|
|
lines.append(l);
|
|
|
|
//partial refresh
|
|
layout(lines.last()->getRow(), lines.size(), useableWidth());
|
|
updateSceneRect();
|
|
|
|
if(stickToBtm)
|
|
scrollToBottom();
|
|
|
|
checkVisibility();
|
|
updateTypingNotification();
|
|
}
|
|
|
|
void ChatLog::insertChatlineOnTop(ChatLine::Ptr l)
|
|
{
|
|
if(!l.get())
|
|
return;
|
|
|
|
insertChatlineOnTop(QList<ChatLine::Ptr>() << l);
|
|
}
|
|
|
|
void ChatLog::insertChatlineOnTop(const QList<ChatLine::Ptr>& newLines)
|
|
{
|
|
if(newLines.isEmpty())
|
|
return;
|
|
|
|
// move all lines down by n
|
|
int n = newLines.size();
|
|
for(ChatLine::Ptr l : lines)
|
|
l->setRow(l->getRow() + n);
|
|
|
|
// add the new line
|
|
for(ChatLine::Ptr l : newLines)
|
|
{
|
|
l->addToScene(scene);
|
|
l->setRow(--n);
|
|
l->visibilityChanged(false);
|
|
lines.prepend(l);
|
|
}
|
|
|
|
// redo layout
|
|
startResizeWorker();
|
|
}
|
|
|
|
bool ChatLog::stickToBottom() const
|
|
{
|
|
return verticalScrollBar()->value() == verticalScrollBar()->maximum();
|
|
}
|
|
|
|
void ChatLog::scrollToBottom()
|
|
{
|
|
updateSceneRect();
|
|
verticalScrollBar()->setValue(verticalScrollBar()->maximum());
|
|
}
|
|
|
|
void ChatLog::startResizeWorker()
|
|
{
|
|
if(lines.empty())
|
|
return;
|
|
|
|
// (re)start the worker
|
|
if(!workerTimer->isActive())
|
|
{
|
|
// these values must not be reevaluated while the worker is running
|
|
workerStb = stickToBottom();
|
|
|
|
if(!visibleLines.empty())
|
|
workerAnchorLine = visibleLines.first();
|
|
}
|
|
|
|
workerLastIndex = 0;
|
|
workerTimer->start();
|
|
|
|
// switch to busy scene displaying the busy notification
|
|
setScene(busyScene);
|
|
verticalScrollBar()->hide();
|
|
}
|
|
|
|
void ChatLog::mouseDoubleClickEvent(QMouseEvent *ev)
|
|
{
|
|
QPointF scenePos = mapToScene(ev->pos());
|
|
ChatLineContent* content = getContentFromPos(scenePos);
|
|
|
|
if(content)
|
|
{
|
|
content->selectionDoubleClick(scenePos);
|
|
selClickedCol = content->getColumn();
|
|
selClickedRow = content->getRow();
|
|
selFirstRow = content->getRow();
|
|
selLastRow = content->getRow();
|
|
selectionMode = Precise;
|
|
}
|
|
}
|
|
|
|
QString ChatLog::getSelectedText() const
|
|
{
|
|
if(selectionMode == Precise)
|
|
{
|
|
return lines[selClickedRow]->content[selClickedCol]->getSelectedText();
|
|
}
|
|
else if(selectionMode == Multi)
|
|
{
|
|
// build a nicely formatted message
|
|
QString out;
|
|
|
|
QString lastSender;
|
|
for(int i=selFirstRow; i<=selLastRow; ++i)
|
|
{
|
|
if(lines[i]->content[1]->getText().isEmpty())
|
|
continue;
|
|
|
|
if(lastSender != lines[i]->content[0]->getText() && !lines[i]->content[0]->getText().isEmpty())
|
|
{
|
|
//author changed
|
|
out += QString(out.isEmpty() ? "%1:\n" : "\n%1:\n").arg(lines[i]->content[0]->getText());
|
|
lastSender = lines[i]->content[0]->getText();
|
|
}
|
|
|
|
out += lines[i]->content[1]->getText();
|
|
|
|
if(i != selLastRow)
|
|
out += "\n";
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
return QString();
|
|
}
|
|
|
|
bool ChatLog::isEmpty() const
|
|
{
|
|
return lines.isEmpty();
|
|
}
|
|
|
|
bool ChatLog::hasTextToBeCopied() const
|
|
{
|
|
return selectionMode != None;
|
|
}
|
|
|
|
ChatLine::Ptr ChatLog::getTypingNotification() const
|
|
{
|
|
return typingNotification;
|
|
}
|
|
|
|
QVector<ChatLine::Ptr> ChatLog::getLines()
|
|
{
|
|
return lines;
|
|
}
|
|
|
|
void ChatLog::clear()
|
|
{
|
|
clearSelection();
|
|
|
|
for(ChatLine::Ptr l : lines)
|
|
l->removeFromScene();
|
|
|
|
lines.clear();
|
|
visibleLines.clear();
|
|
|
|
updateSceneRect();
|
|
}
|
|
|
|
void ChatLog::copySelectedText() const
|
|
{
|
|
QString text = getSelectedText();
|
|
|
|
QClipboard* clipboard = QApplication::clipboard();
|
|
clipboard->setText(text);
|
|
}
|
|
|
|
void ChatLog::setBusyNotification(ChatLine::Ptr notification)
|
|
{
|
|
if(!notification.get())
|
|
return;
|
|
|
|
busyNotification = notification;
|
|
busyNotification->addToScene(busyScene);
|
|
busyNotification->visibilityChanged(true);
|
|
}
|
|
|
|
void ChatLog::setTypingNotification(ChatLine::Ptr notification)
|
|
{
|
|
typingNotification = notification;
|
|
typingNotification->visibilityChanged(true);
|
|
typingNotification->setVisible(false);
|
|
typingNotification->addToScene(scene);
|
|
updateTypingNotification();
|
|
}
|
|
|
|
void ChatLog::setTypingNotificationVisible(bool visible)
|
|
{
|
|
if(typingNotification.get())
|
|
{
|
|
typingNotification->setVisible(visible);
|
|
updateTypingNotification();
|
|
}
|
|
}
|
|
|
|
void ChatLog::scrollToLine(ChatLine::Ptr line)
|
|
{
|
|
if(!line.get())
|
|
return;
|
|
|
|
updateSceneRect();
|
|
verticalScrollBar()->setValue(line->sceneBoundingRect().top());
|
|
}
|
|
|
|
void ChatLog::selectAll()
|
|
{
|
|
if(lines.empty())
|
|
return;
|
|
|
|
clearSelection();
|
|
|
|
selectionMode = Multi;
|
|
selFirstRow = 0;
|
|
selLastRow = lines.size()-1;
|
|
|
|
copyAction->setEnabled(true);
|
|
updateMultiSelectionRect();
|
|
}
|
|
|
|
void ChatLog::checkVisibility()
|
|
{
|
|
if(lines.empty())
|
|
return;
|
|
|
|
// find first visible line
|
|
auto lowerBound = std::lower_bound(lines.cbegin(), lines.cend(), getVisibleRect().top(), ChatLine::lessThanBSRectBottom);
|
|
|
|
// find last visible line
|
|
auto upperBound = std::lower_bound(lowerBound, lines.cend(), getVisibleRect().bottom(), ChatLine::lessThanBSRectTop);
|
|
|
|
// set visibilty
|
|
QList<ChatLine::Ptr> newVisibleLines;
|
|
for(auto itr = lowerBound; itr != upperBound; ++itr)
|
|
{
|
|
newVisibleLines.append(*itr);
|
|
|
|
if(!visibleLines.contains(*itr))
|
|
(*itr)->visibilityChanged(true);
|
|
|
|
visibleLines.removeOne(*itr);
|
|
}
|
|
|
|
// these lines are no longer visible
|
|
for(ChatLine::Ptr line : visibleLines)
|
|
line->visibilityChanged(false);
|
|
|
|
visibleLines = newVisibleLines;
|
|
|
|
// enforce order
|
|
std::sort(visibleLines.begin(), visibleLines.end(), ChatLine::lessThanRowIndex);
|
|
|
|
//if(!visibleLines.empty())
|
|
// qDebug() << "visible from " << visibleLines.first()->getRowIndex() << "to " << visibleLines.last()->getRowIndex() << " total " << visibleLines.size();
|
|
}
|
|
|
|
void ChatLog::scrollContentsBy(int dx, int dy)
|
|
{
|
|
QGraphicsView::scrollContentsBy(dx, dy);
|
|
checkVisibility();
|
|
}
|
|
|
|
void ChatLog::resizeEvent(QResizeEvent* ev)
|
|
{
|
|
bool stb = stickToBottom();
|
|
|
|
if(ev->size().width() != ev->oldSize().width())
|
|
{
|
|
startResizeWorker();
|
|
stb = false; // let the resize worker handle it
|
|
}
|
|
|
|
QGraphicsView::resizeEvent(ev);
|
|
|
|
if(stb)
|
|
scrollToBottom();
|
|
|
|
updateBusyNotification();
|
|
}
|
|
|
|
void ChatLog::updateMultiSelectionRect()
|
|
{
|
|
if(selectionMode == Multi && selFirstRow >= 0 && selLastRow >= 0)
|
|
{
|
|
QRectF selBBox;
|
|
selBBox = selBBox.united(lines[selFirstRow]->sceneBoundingRect());
|
|
selBBox = selBBox.united(lines[selLastRow]->sceneBoundingRect());
|
|
|
|
if(selGraphItem->rect() != selBBox)
|
|
scene->invalidate(selGraphItem->rect());
|
|
|
|
selGraphItem->setRect(selBBox);
|
|
selGraphItem->show();
|
|
}
|
|
else
|
|
{
|
|
selGraphItem->hide();
|
|
}
|
|
}
|
|
|
|
void ChatLog::updateTypingNotification()
|
|
{
|
|
ChatLine* notification = typingNotification.get();
|
|
if(!notification)
|
|
return;
|
|
|
|
qreal posY = 0.0;
|
|
|
|
if(!lines.empty())
|
|
posY = lines.last()->sceneBoundingRect().bottom() + lineSpacing;
|
|
|
|
notification->layout(useableWidth(), QPointF(0.0, posY));
|
|
}
|
|
|
|
void ChatLog::updateBusyNotification()
|
|
{
|
|
if(busyNotification.get())
|
|
{
|
|
//repoisition the busy notification (centered)
|
|
busyNotification->layout(useableWidth(), getVisibleRect().topLeft() + QPointF(0, getVisibleRect().height()/2.0));
|
|
}
|
|
}
|
|
|
|
ChatLine::Ptr ChatLog::findLineByPosY(qreal yPos) const
|
|
{
|
|
auto itr = std::lower_bound(lines.cbegin(), lines.cend(), yPos, ChatLine::lessThanBSRectBottom);
|
|
|
|
if(itr != lines.cend())
|
|
return *itr;
|
|
|
|
return ChatLine::Ptr();
|
|
}
|
|
|
|
QRectF ChatLog::calculateSceneRect() const
|
|
{
|
|
qreal bottom = (lines.empty() ? 0.0 : lines.last()->sceneBoundingRect().bottom());
|
|
|
|
if(typingNotification.get() != nullptr)
|
|
bottom += typingNotification->sceneBoundingRect().height() + lineSpacing;
|
|
|
|
return QRectF(-margins.left(), -margins.top(), useableWidth(), bottom + margins.bottom() + margins.top());
|
|
}
|
|
|
|
void ChatLog::onSelectionTimerTimeout()
|
|
{
|
|
const int scrollSpeed = 10;
|
|
|
|
switch(selectionScrollDir)
|
|
{
|
|
case Up:
|
|
verticalScrollBar()->setValue(verticalScrollBar()->value() - scrollSpeed);
|
|
break;
|
|
case Down:
|
|
verticalScrollBar()->setValue(verticalScrollBar()->value() + scrollSpeed);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ChatLog::onWorkerTimeout()
|
|
{
|
|
// Fairly arbitrary but
|
|
// large values will make the UI unresponsive
|
|
const int stepSize = 50;
|
|
|
|
layout(workerLastIndex, workerLastIndex+stepSize, useableWidth());
|
|
workerLastIndex += stepSize;
|
|
|
|
// done?
|
|
if(workerLastIndex >= lines.size())
|
|
{
|
|
workerTimer->stop();
|
|
|
|
// switch back to the scene containing the chat messages
|
|
setScene(scene);
|
|
|
|
// make sure everything gets updated
|
|
updateSceneRect();
|
|
checkVisibility();
|
|
updateTypingNotification();
|
|
updateMultiSelectionRect();
|
|
|
|
// scroll
|
|
if(workerStb)
|
|
scrollToBottom();
|
|
else
|
|
scrollToLine(workerAnchorLine);
|
|
|
|
// don't keep a Ptr to the anchor line
|
|
workerAnchorLine = ChatLine::Ptr();
|
|
|
|
// hidden during busy screen
|
|
verticalScrollBar()->show();
|
|
}
|
|
}
|
|
|
|
void ChatLog::showEvent(QShowEvent*)
|
|
{
|
|
// Empty.
|
|
// The default implementation calls centerOn - for some reason - causing
|
|
// the scrollbar to move.
|
|
}
|
|
|
|
void ChatLog::focusInEvent(QFocusEvent* ev)
|
|
{
|
|
QGraphicsView::focusInEvent(ev);
|
|
|
|
if(selectionMode != None)
|
|
{
|
|
selGraphItem->setBrush(QBrush(selectionRectColor));
|
|
|
|
for(int i=selFirstRow; i<=selLastRow; ++i)
|
|
lines[i]->selectionFocusChanged(true);
|
|
}
|
|
}
|
|
|
|
void ChatLog::focusOutEvent(QFocusEvent* ev)
|
|
{
|
|
QGraphicsView::focusOutEvent(ev);
|
|
|
|
if(selectionMode != None)
|
|
{
|
|
selGraphItem->setBrush(QBrush(selectionRectColor.lighter(120)));
|
|
|
|
for(int i=selFirstRow; i<=selLastRow; ++i)
|
|
lines[i]->selectionFocusChanged(false);
|
|
}
|
|
}
|