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This commit is contained in:
krepa098 2014-12-09 13:17:08 +01:00
parent c91b7cb03c
commit 661a8c4da4
4 changed files with 96 additions and 65 deletions
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5
src/chatlog/chatlinecontent.cpp
View File

@ -84,3 +84,8 @@ void ChatLineContent::visibilityChanged(bool)
{
}
QString ChatLineContent::getText() const
{
return QString();
}

2
src/chatlog/chatlinecontent.h
View File

@ -44,6 +44,8 @@ public:
virtual bool isOverSelection(QPointF scenePos) const;
virtual QString getSelectedText() const;
virtual QString getText() const;
virtual qreal firstLineVOffset() const;
virtual QRectF boundingSceneRect() const = 0;

138
src/chatlog/chatlog.cpp
View File

@ -57,6 +57,12 @@ ChatLog::ChatLog(QWidget* parent)
setViewportUpdateMode(SmartViewportUpdate);
//setRenderHint(QPainter::TextAntialiasing);
selGraphItem = new QGraphicsRectItem();
selGraphItem->setZValue(-10.0); //behind all items
selGraphItem->setBrush(QBrush(QColor(166,225,255)));
scene->addItem(selGraphItem);
// copy action
copyAction = new QAction(this);
copyAction->setShortcut(QKeySequence::Copy);
@ -116,14 +122,17 @@ ChatMessage *ChatLog::addFileTransferMessage(const QString &sender, const ToxFil
void ChatLog::clearSelection()
{
if(selStartRow >= 0)
for(int r = qMin(selStartRow, selLastRow); r <= qMax(selLastRow, selStartRow) && r < lines.size(); ++r)
lines[r]->selectionCleared();
for(int i=selFirstRow; i<=selLastRow && i<lines.size() && i >= 0; ++i)
lines[i]->selectionCleared();
selStartRow = -1;
selStartCol = -1;
selGraphItem->hide();
selFirstRow = -1;
selLastRow = -1;
selLastCol = -1;
selClickedCol = -1;
selClickedRow = -1;
selectionMode = None;
}
QRect ChatLog::getVisibleRect() const
@ -229,9 +238,6 @@ void ChatLog::mousePressEvent(QMouseEvent* ev)
void ChatLog::mouseReleaseEvent(QMouseEvent* ev)
{
QGraphicsView::mouseReleaseEvent(ev);
if(ev->button() == Qt::LeftButton)
selecting = false;
}
void ChatLog::mouseMoveEvent(QMouseEvent* ev)
@ -242,21 +248,21 @@ void ChatLog::mouseMoveEvent(QMouseEvent* ev)
if(ev->buttons() & Qt::LeftButton)
{
if(!selecting && (clickPos - ev->pos()).manhattanLength() > QApplication::startDragDistance())
if(selectionMode == None && (clickPos - ev->pos()).manhattanLength() > QApplication::startDragDistance())
{
QPointF sceneClickPos = mapToScene(clickPos.toPoint());
ChatLineContent* content = getContentFromPos(sceneClickPos);
if(content)
{
selStartRow = content->getRow();
selStartCol = content->getColumn();
selLastRow = selStartRow;
selLastCol = selStartCol;
selClickedRow = content->getRow();
selClickedCol = content->getColumn();
selFirstRow = content->getRow();
selLastRow = content->getRow();
content->selectionStarted(sceneClickPos);
selecting = true;
selectionMode = Precise;
// ungrab mouse grabber
if(scene->mouseGrabberItem())
@ -265,7 +271,7 @@ void ChatLog::mouseMoveEvent(QMouseEvent* ev)
}
}
if(selecting && ev->pos() != lastPos)
if(selectionMode != None && ev->pos() != lastPos)
{
lastPos = ev->pos();
@ -273,47 +279,35 @@ void ChatLog::mouseMoveEvent(QMouseEvent* ev)
if(content)
{
// TODO: turn this into a sane algo.
int row = content->getRow();
int col = content->getColumn();
int firstRow = selStartRow;
// selection
for(int r = qMin(firstRow, row + 1); r < qMax(row, firstRow); r++)
lines[r]->selectAll();
if(row >= selClickedRow)
selLastRow = row;
if(row != selStartRow)
for(int c = 0; c < col; c++)
lines[selStartRow]->selectAll();
if(row <= selClickedRow)
selFirstRow = row;
if(row == selClickedRow && col == selClickedCol)
{
selectionMode = Precise;
if(row == selStartRow)
content->selectionMouseMove(scenePos);
selGraphItem->hide();
}
else
{
lines[row]->selectAll();
selStartCol = 0;
selLastCol = lines[row]->getColumnCount();
selectionMode = Multi;
lines[selClickedRow]->selectionCleared();
QRectF selBBox;
selBBox = selBBox.united(lines[selFirstRow]->boundingSceneRect());
selBBox = selBBox.united(lines[selLastRow]->boundingSceneRect());
selGraphItem->setRect(selBBox);
selGraphItem->show();
}
// de-selection
if(row < selStartRow)
selLastRow = qMin(row, selLastRow);
else
selLastRow = qMax(row, selLastRow);
if(col < selStartCol)
selLastCol = qMin(col, selLastCol);
else
selLastCol = qMax(col, selLastCol);
for(int r = qMin(row, selLastRow); r < qMax(row, selLastRow + 1) && r < lines.size(); ++r)
if(r != row)
lines[r]->selectionCleared();
if(row == selStartRow)
for(int c = col + 1; c < lines[row]->getColumnCount() && c < selLastCol; ++c)
lines[row]->selectionCleared(c);
}
}
}
@ -330,17 +324,25 @@ ChatLineContent* ChatLog::getContentFromPos(QPointF scenePos) const
bool ChatLog::isOverSelection(QPointF scenePos)
{
ChatLineContent* content = getContentFromPos(scenePos);
if(selectionMode == Precise)
{
ChatLineContent* content = getContentFromPos(scenePos);
if(content)
return content->isOverSelection(scenePos);
if(content)
return content->isOverSelection(scenePos);
}
else if(selectionMode == Multi)
{
if(selGraphItem->rect().contains(scenePos))
return true;
}
return false;
}
int ChatLog::useableWidth()
{
return width() - verticalScrollBar()->sizeHint().width();
return width() - verticalScrollBar()->sizeHint().width() - 10.0;
}
void ChatLog::reposition(int start, int end)
@ -411,19 +413,33 @@ void ChatLog::scrollToBottom()
QString ChatLog::getSelectedText() const
{
QString ret;
if(selectionMode == Precise)
{
return lines[selClickedRow]->content[selClickedCol]->getSelectedText();
}
else if(selectionMode == Multi)
{
// build a nicely formatted message
QString out;
const int rowStart = qMin(selStartRow, selLastRow);
const int rowLast = qMax(selStartRow, selLastRow);
QString lastSender;
for(int i=selFirstRow; i<=selLastRow && i>=0 && i<lines.size(); ++i)
{
if(lastSender != lines[i]->content[0]->getText() && !lines[i]->content[0]->getText().isEmpty())
{
//author changed
out += lines[i]->content[0]->getText() + ":\n";
lastSender = lines[i]->content[0]->getText();
}
const int colStart = qMin(selStartCol, selLastCol);
const int colLast = qMax(selStartCol, selLastCol);
out += lines[i]->content[1]->getText();
out += "\n\n";
}
for(int r = rowStart; r <= rowLast && r < lines.size(); ++r)
for(int c = colStart; c <= colLast && c < lines[r]->getColumnCount(); ++c)
ret.append(lines[r]->content[c]->getSelectedText() + '\n');
return out;
}
return ret;
return QString();
}
void ChatLog::showContextMenu(const QPoint& globalPos, const QPointF& scenePos)

16
src/chatlog/chatlog.h
View File

@ -21,6 +21,7 @@
#include <QDateTime>
class QGraphicsScene;
class QGraphicsRectItem;
class ChatLine;
class ChatLineContent;
class ChatMessage;
@ -72,6 +73,12 @@ protected:
virtual void resizeEvent(QResizeEvent *ev);
private:
enum SelectionMode {
None,
Precise,
Multi,
};
QGraphicsScene* scene = nullptr;
QList<ChatLine*> lines;
QList<ChatLine*> visibleLines;
@ -81,13 +88,14 @@ private:
int insertStartIndex = -1;
// selection
int selStartRow = -1;
int selStartCol = -1;
int selClickedRow = -1;
int selClickedCol = -1;
int selFirstRow = -1;
int selLastRow = -1;
int selLastCol = -1;
bool selecting = false;
SelectionMode selectionMode = None;
QPointF clickPos;
QPointF lastPos;
QGraphicsRectItem* selGraphItem = nullptr;
// actions
QAction* copyAction = nullptr;