ChatItem::ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent)
: QGraphicsItem(parent),
- _data(0),
_boundingRect(0, 0, width, height),
_selectionMode(NoSelection),
_selectionStart(-1)
setPos(pos);
}
-ChatItem::~ChatItem() {
- delete _data;
-}
-
QVariant ChatItem::data(int role) const {
QModelIndex index = model()->index(row(), column());
if(!index.isValid()) {
return model()->data(index, role);
}
-QTextLayout *ChatItem::createLayout(QTextOption::WrapMode wrapMode, Qt::Alignment alignment) const {
- QTextLayout *layout = new QTextLayout(data(MessageModel::DisplayRole).toString());
+void ChatItem::initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode wrapMode, Qt::Alignment alignment) const {
+ Q_ASSERT(layout);
+
+ layout->setText(data(MessageModel::DisplayRole).toString());
QTextOption option;
option.setWrapMode(wrapMode);
QList<QTextLayout::FormatRange> formatRanges
= QtUi::style()->toTextLayoutList(data(MessageModel::FormatRole).value<UiStyle::FormatList>(), layout->text().length());
layout->setAdditionalFormats(formatRanges);
- return layout;
}
-void ChatItem::doLayout() {
- QTextLayout *layout_ = layout();
- layout_->beginLayout();
- QTextLine line = layout_->createLine();
+void ChatItem::doLayout(QTextLayout *layout) const {
+ layout->beginLayout();
+ QTextLine line = layout->createLine();
if(line.isValid()) {
line.setLineWidth(width());
line.setPosition(QPointF(0,0));
}
- layout_->endLayout();
+ layout->endLayout();
}
-void ChatItem::clearLayout() {
- delete _data;
- _data = 0;
-}
-
-ChatItemPrivate *ChatItem::privateData() const {
- if(!_data) {
- ChatItem *that = const_cast<ChatItem *>(this);
- that->_data = that->newPrivateData();
- that->doLayout();
- }
- return _data;
-}
// NOTE: This is not the most time-efficient implementation, but it saves space by not caching unnecessary data
// This is a deliberate trade-off. (-> selectFmt creation, data() call)
QVector<QTextLayout::FormatRange> formats = additionalFormats();
QTextLayout::FormatRange selectFmt = selectionFormat();
if(selectFmt.format.isValid()) formats.append(selectFmt);
- layout()->draw(painter, QPointF(0,0), formats, boundingRect());
+ QTextLayout layout;
+ initLayout(&layout);
+ layout.draw(painter, QPointF(0,0), formats, boundingRect());
+
+ // layout()->draw(painter, QPointF(0,0), formats, boundingRect());
// Debuging Stuff
// uncomment partially or all of the following stuff:
qint16 ChatItem::posToCursor(const QPointF &pos) const {
if(pos.y() > height()) return data(MessageModel::DisplayRole).toString().length();
if(pos.y() < 0) return 0;
- for(int l = layout()->lineCount() - 1; l >= 0; l--) {
- QTextLine line = layout()->lineAt(l);
+
+ QTextLayout layout;
+ initLayout(&layout);
+ for(int l = layout.lineCount() - 1; l >= 0; l--) {
+ QTextLine line = layout.lineAt(l);
if(pos.y() >= line.y()) {
return line.xToCursor(pos.x(), QTextLine::CursorOnCharacter);
}
searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive);
}
- bool hadPrivateData = hasPrivateData();
-
+ QTextLayout layout;
+ initLayout(&layout);
foreach(int idx, indexList) {
- QTextLine line = layout()->lineForTextPosition(idx);
+ QTextLine line = layout.lineForTextPosition(idx);
qreal x = line.cursorToX(idx);
qreal width = line.cursorToX(idx + searchWord.count()) - x;
qreal height = line.height();
resultList << QRectF(x, y, width, height);
}
- if(!hadPrivateData)
- clearLayout();
return resultList;
}
Q_UNUSED(option); Q_UNUSED(widget);
painter->setClipRect(boundingRect()); // no idea why QGraphicsItem clipping won't work
- qreal layoutWidth = layout()->minimumWidth();
+ QTextLayout layout;
+ initLayout(&layout);
+ qreal layoutWidth = layout.minimumWidth();
qreal offset = 0;
if(chatScene()->senderCutoffMode() == ChatScene::CutoffLeft)
offset = qMin(width() - layoutWidth, (qreal)0);
if(layoutWidth > width()) {
// Draw a nice gradient for longer items
// Qt's text drawing with a gradient brush sucks, so we use an alpha-channeled pixmap instead
- QPixmap pixmap(layout()->boundingRect().toRect().size());
+ QPixmap pixmap(layout.boundingRect().toRect().size());
pixmap.fill(Qt::transparent);
QPainter pixPainter(&pixmap);
- layout()->draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), QVector<QTextLayout::FormatRange>() << selectFmt);
+ layout.draw(&pixPainter, QPointF(qMax(offset, (qreal)0), 0), QVector<QTextLayout::FormatRange>() << selectFmt);
pixPainter.end();
// Create alpha channel mask
pixmap.setAlphaChannel(mask);
painter->drawPixmap(0, 0, pixmap);
} else {
- layout()->draw(painter, QPointF(0,0), QVector<QTextLayout::FormatRange>() << selectFmt, boundingRect());
+ layout.draw(painter, QPointF(0,0), QVector<QTextLayout::FormatRange>() << selectFmt, boundingRect());
}
}
ContentsChatItem::ActionProxy ContentsChatItem::_actionProxy;
ContentsChatItem::ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent)
- : ChatItem(0, 0, pos, parent)
+ : ChatItem(0, 0, pos, parent),
+ _data(0)
{
const QAbstractItemModel *model_ = model();
QModelIndex index = model_->index(row(), column());
setGeometryByWidth(width);
}
+ContentsChatItem::~ContentsChatItem() {
+ delete _data;
+}
+
+ContentsChatItemPrivate *ContentsChatItem::privateData() const {
+ if(!_data) {
+ ContentsChatItem *that = const_cast<ContentsChatItem *>(this);
+ that->_data = new ContentsChatItemPrivate(findClickables(), that);
+ }
+ return _data;
+}
+
qreal ContentsChatItem::setGeometryByWidth(qreal w) {
if(w != width()) {
prepareGeometryChange();
while(finder.nextWrapColumn() > 0)
lines++;
setHeight(lines * fontMetrics()->lineSpacing());
+ delete _data;
+ _data = 0;
}
return height();
}
-void ContentsChatItem::doLayout() {
+void ContentsChatItem::doLayout(QTextLayout *layout) const {
ChatLineModel::WrapList wrapList = data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>();
if(!wrapList.count()) return; // empty chatitem
qreal h = 0;
WrapColumnFinder finder(this);
- layout()->beginLayout();
+ layout->beginLayout();
forever {
- QTextLine line = layout()->createLine();
+ QTextLine line = layout->createLine();
if(!line.isValid())
break;
int col = finder.nextWrapColumn();
- line.setNumColumns(col >= 0 ? col - line.textStart() : layout()->text().length());
+ line.setNumColumns(col >= 0 ? col - line.textStart() : layout->text().length());
line.setPosition(QPointF(0, h));
h += fontMetrics()->lineSpacing();
}
- layout()->endLayout();
+ layout->endLayout();
}
// NOTE: This method is not threadsafe and not reentrant!
}
void ContentsChatItem::endHoverMode() {
- if(hasPrivateData()) {
+ if(privateData()) {
if(privateData()->currentClickable.isValid()) {
setCursor(Qt::ArrowCursor);
privateData()->currentClickable = Clickable();
#ifndef HAVE_WEBKIT
Q_UNUSED(click);
#else
- QTextLine line = layout()->lineForTextPosition(click.start);
+ QTextLayout layout;
+ initLayout(&layout);
+ QTextLine line = layout.lineForTextPosition(click.start);
qreal x = line.cursorToX(click.start);
qreal width = line.cursorToX(click.start + click.length) - x;
qreal height = line.height();
/*************************************************************************************************/
-ContentsChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item)
+ContentsChatItem::WrapColumnFinder::WrapColumnFinder(const ChatItem *_item)
: item(_item),
- layout(0),
wrapList(item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>()),
wordidx(0),
lineCount(0),
}
ContentsChatItem::WrapColumnFinder::~WrapColumnFinder() {
- delete layout;
}
qint16 ContentsChatItem::WrapColumnFinder::nextWrapColumn() {
// check if we have a very long word that needs inter word wrap
if(wrapList.at(start).endX > targetWidth) {
if(!line.isValid()) {
- layout = item->createLayout(QTextOption::NoWrap);
- layout->beginLayout();
- line = layout->createLine();
- layout->endLayout();
+ item->initLayoutHelper(&layout, QTextOption::NoWrap);
+ layout.beginLayout();
+ line = layout.createLine();
+ layout.endLayout();
}
return line.xToCursor(targetWidth, QTextLine::CursorOnCharacter);
}
#include "uistyle.h"
#include "qtui.h"
-class QTextLayout;
-struct ChatItemPrivate;
+#include <QTextLayout>
class ChatItem : public QGraphicsItem {
protected:
ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent);
- virtual ~ChatItem();
public:
inline const QAbstractItemModel *model() const;
inline qreal width() const { return _boundingRect.width(); }
inline qreal height() const { return _boundingRect.height(); }
- QTextLayout *createLayout(QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const;
- virtual void doLayout();
- void clearLayout();
+ void initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const;
+ virtual inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::WrapAnywhere);
+ doLayout(layout);
+ }
+ virtual void doLayout(QTextLayout *) const;
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
enum { Type = ChatScene::ChatItemType };
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
- inline QTextLayout *layout() const;
-
virtual QTextLayout::FormatRange selectionFormat() const;
virtual inline QVector<QTextLayout::FormatRange> additionalFormats() const { return QVector<QTextLayout::FormatRange>(); }
qint16 posToCursor(const QPointF &pos) const;
- inline bool hasPrivateData() const { return (bool)_data; }
- ChatItemPrivate *privateData() const;
- virtual inline ChatItemPrivate *newPrivateData();
-
// WARNING: setGeometry and setHeight should not be used without either:
// a) calling prepareGeometryChange() immediately before setColumns()
// b) calling Chatline::setPos() immediately afterwards
// internal selection stuff
void setSelection(int start, int length);
- ChatItemPrivate *_data;
QRectF _boundingRect;
SelectionMode _selectionMode;
friend class ChatLine;
};
-struct ChatItemPrivate {
- QTextLayout *layout;
- ChatItemPrivate(QTextLayout *l) : layout(l) {}
- virtual ~ChatItemPrivate() {
- delete layout;
- }
-};
-
-// inlines of ChatItem
-QTextLayout *ChatItem::layout() const { return privateData()->layout; }
-ChatItemPrivate *ChatItem::newPrivateData() { return new ChatItemPrivate(createLayout(QTextOption::WrapAnywhere)); }
-
// ************************************************************
// TimestampChatItem
// ************************************************************
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
enum { Type = ChatScene::SenderChatItemType };
virtual inline int type() const { return Type; }
- virtual inline ChatItemPrivate *newPrivateData() { return new ChatItemPrivate(createLayout(QTextOption::ManualWrap, Qt::AlignRight)); }
+ virtual inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight);
+ doLayout(layout);
+ }
};
// ************************************************************
public:
ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent);
+ ~ContentsChatItem();
enum { Type = ChatScene::ContentsChatItemType };
virtual inline int type() const { return Type; }
virtual QVector<QTextLayout::FormatRange> additionalFormats() const;
- virtual void doLayout();
- virtual inline ChatItemPrivate *newPrivateData();
+ virtual inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::WrapAnywhere);
+ doLayout(layout);
+ }
+ virtual void doLayout(QTextLayout *layout) const;
private:
struct Clickable;
class ActionProxy;
class WrapColumnFinder;
- inline ContentsChatItemPrivate *privateData() const;
+ ContentsChatItemPrivate *_data;
+ ContentsChatItemPrivate *privateData() const;
QList<Clickable> findClickables() const;
Clickable clickableAt(const QPointF &pos) const;
inline bool isValid() const { return type != Invalid; }
};
-struct ContentsChatItemPrivate : ChatItemPrivate {
+struct ContentsChatItemPrivate {
ContentsChatItem *contentsItem;
QList<ContentsChatItem::Clickable> clickables;
ContentsChatItem::Clickable currentClickable;
ContentsChatItem::Clickable activeClickable;
- ContentsChatItemPrivate(QTextLayout *l, const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent)
- : ChatItemPrivate(l), contentsItem(parent), clickables(c) {}
+ ContentsChatItemPrivate(const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent) : contentsItem(parent), clickables(c) {}
};
-//inlines regarding ContentsChatItemPrivate
-ChatItemPrivate *ContentsChatItem::newPrivateData() {
- return new ContentsChatItemPrivate(createLayout(QTextOption::WrapAnywhere), findClickables(), this);
-}
-ContentsChatItemPrivate *ContentsChatItem::privateData() const { return (ContentsChatItemPrivate *)ChatItem::privateData(); }
-
class ContentsChatItem::WrapColumnFinder {
public:
- WrapColumnFinder(ChatItem *parent);
+ WrapColumnFinder(const ChatItem *parent);
~WrapColumnFinder();
qint16 nextWrapColumn();
private:
- ChatItem *item;
- QTextLayout *layout;
+ const ChatItem *item;
+ QTextLayout layout;
QTextLine line;
ChatLineModel::WrapList wrapList;
qint16 wordidx;