#include <QPainter>
#include <QPalette>
#include <QTextLayout>
+#ifdef HAVE_WEBKIT
+#include <QWebView>
+#endif
+#include <QGraphicsProxyWidget>
#include "chatitem.h"
#include "chatlinemodel.h"
#include "qtui.h"
#include "qtuistyle.h"
-ChatItem::ChatItem(const qreal &width, const qreal &height, const QPointF &pos, ChatLineModel::ColumnType col, QGraphicsItem *parent)
+ChatItem::ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent)
: QGraphicsItem(parent),
_data(0),
_boundingRect(0, 0, width, height),
- _fontMetrics(0),
_selectionMode(NoSelection),
_selectionStart(-1)
{
- const QAbstractItemModel *model_ = model();
- QModelIndex index = model_->index(row(), col);
- _fontMetrics = QtUi::style()->fontMetrics(model_->data(index, ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second);
setAcceptHoverEvents(true);
setZValue(20);
setPos(pos);
searchIdx = plainText.indexOf(searchWord, searchIdx + 1, caseSensitive);
}
- if(!hasLayout())
+ bool hadLayout = hasLayout();
+ if(!hadLayout)
updateLayout();
foreach(int idx, indexList) {
QTextLine line = layout()->lineForTextPosition(idx);
qreal x = line.cursorToX(idx);
qreal width = line.cursorToX(idx + searchWord.count()) - x;
- qreal height = fontMetrics()->lineSpacing();
+ qreal height = line.height();
qreal y = height * line.lineNumber();
resultList << QRectF(x, y, width, height);
}
+
+ if(!hadLayout)
+ clearLayout();
return resultList;
}
// ContentsChatItem
// ************************************************************
ContentsChatItem::ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent)
- : ChatItem(0, 0, pos, column(), parent)
+ : ChatItem(0, 0, pos, parent)
{
+ const QAbstractItemModel *model_ = model();
+ QModelIndex index = model_->index(row(), column());
+ _fontMetrics = QtUi::style()->fontMetrics(model_->data(index, ChatLineModel::FormatRole).value<UiStyle::FormatList>().at(0).second);
+
setGeometryByWidth(width);
}
void ContentsChatItem::updateLayout() {
if(!privateData()) {
- ContentsChatItemPrivate *data = new ContentsChatItemPrivate(createLayout(QTextOption::WrapAnywhere),
- findClickables());
- // data->clickables = findClickables();
+ ContentsChatItemPrivate *data = new ContentsChatItemPrivate(createLayout(QTextOption::WrapAnywhere), findClickables(), this);
setPrivateData(data);
}
}
void ContentsChatItem::endHoverMode() {
- if(privateData()->currentClickable.isValid()) {
- setCursor(Qt::ArrowCursor);
- privateData()->currentClickable = Clickable();
+ if(hasLayout()) {
+ if(privateData()->currentClickable.isValid()) {
+ setCursor(Qt::ArrowCursor);
+ privateData()->currentClickable = Clickable();
+ }
+#ifdef HAVE_WEBKIT
+ clearWebPreview();
+#endif
update();
}
}
QString str = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
switch(click.type) {
case Clickable::Url:
+ if(!str.contains("://"))
+ str = "http://" + str;
QDesktopServices::openUrl(str);
break;
case Clickable::Channel:
// mouse move events always mean we're not hovering anymore...
endHoverMode();
// also, check if we have dragged the mouse
- if(!privateData()->hasDragged && event->buttons() & Qt::LeftButton
+ if(hasLayout() && !privateData()->hasDragged && event->buttons() & Qt::LeftButton
&& (event->buttonDownScreenPos(Qt::LeftButton) - event->screenPos()).manhattanLength() >= QApplication::startDragDistance())
privateData()->hasDragged = true;
ChatItem::mouseMoveEvent(event);
for(int i = 0; i < privateData()->clickables.count(); i++) {
Clickable click = privateData()->clickables.at(i);
if(idx >= click.start && idx < click.start + click.length) {
- if(click.type == Clickable::Url)
+ if(click.type == Clickable::Url) {
onClickable = true;
- else if(click.type == Clickable::Channel) {
+#ifdef HAVE_WEBKIT
+ showWebPreview(click);
+#endif
+ } else if(click.type == Clickable::Channel) {
// TODO: don't make clickable if it's our own name
//onClickable = true; //FIXME disabled for now
}
event->accept();
}
+#ifdef HAVE_WEBKIT
+void ContentsChatItem::showWebPreview(const Clickable &click) {
+ if(!hasLayout())
+ updateLayout();
+
+ 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();
+ qreal y = height * line.lineNumber();
+ QRectF urlRect(x, y, width, height);
+ QString url = data(ChatLineModel::DisplayRole).toString().mid(click.start, click.length);
+ if(!url.contains("://"))
+ url = "http://" + url;
+ privateData()->loadWebPreview(url, urlRect);
+}
+
+void ContentsChatItem::clearWebPreview() {
+ if(hasLayout())
+ privateData()->clearWebPreview();
+}
+#endif
+
+// ****************************************
+// ContentsChatItemPrivate
+// ****************************************
+#ifdef HAVE_WEBKIT
+ContentsChatItemPrivate::~ContentsChatItemPrivate() {
+ clearWebPreview();
+}
+
+void ContentsChatItemPrivate::loadWebPreview(const QString &url, const QRectF &urlRect) {
+ if(url != previewUrl) {
+ previewUrl = url;
+ // load a new web view and delete the old one (if exists)
+ if(previewItem) {
+ contentsItem->scene()->removeItem(previewItem);
+ delete previewItem;
+ }
+ QWebView *view = new QWebView;
+ view->load(url);
+ previewItem = new ContentsChatItemPrivate::PreviewItem(view);
+ contentsItem->scene()->addItem(previewItem);
+ }
+ if(urlRect != previewUrlRect) {
+ previewUrlRect = urlRect;
+ QPointF sPos = contentsItem->scenePos();
+ qreal previewY = sPos.y() + urlRect.y() + urlRect.height(); // bottom of url;
+ qreal previewX = sPos.x() + urlRect.x();
+ if(previewY + previewItem->boundingRect().height() > contentsItem->scene()->sceneRect().bottom())
+ previewY = sPos.y() + urlRect.y() - previewItem->boundingRect().height();
+
+ if(previewX + previewItem->boundingRect().width() > contentsItem->scene()->sceneRect().width())
+ previewX = contentsItem->scene()->sceneRect().right() - previewItem->boundingRect().width();
+
+ previewItem->setPos(previewX, previewY);
+ }
+}
+
+void ContentsChatItemPrivate::clearWebPreview() {
+ if(previewItem) {
+ contentsItem->scene()->removeItem(previewItem);
+ delete previewItem;
+ previewItem = 0;
+ }
+ previewUrl = QString();
+ previewUrlRect = QRectF();
+}
+
+ContentsChatItemPrivate::PreviewItem::PreviewItem(QWebView *webView)
+ : QGraphicsItem(0), // needs to be a top level item as we otherwise cannot guarantee that it's on top of other chatlines
+ _boundingRect(0, 0, 400, 300)
+{
+ qreal frameWidth = 5;
+ webView->resize(1000, 750);
+ QGraphicsProxyWidget *proxyItem = new QGraphicsProxyWidget(this);
+ proxyItem->setWidget(webView);
+ proxyItem->setAcceptHoverEvents(false);
+
+ qreal xScale = (_boundingRect.width() - 2 * frameWidth) / webView->width();
+ qreal yScale = (_boundingRect.height() - 2 * frameWidth) / webView->height();
+ proxyItem->scale(xScale, yScale);
+ proxyItem->setPos(frameWidth, frameWidth);
+
+ setZValue(30);
+}
+
+void ContentsChatItemPrivate::PreviewItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
+ Q_UNUSED(option); Q_UNUSED(widget);
+ painter->setClipRect(boundingRect());
+ painter->setPen(QPen(Qt::black, 5));
+ painter->setBrush(Qt::black);
+ painter->setRenderHints(QPainter::Antialiasing);
+ painter->drawRoundedRect(boundingRect(), 10, 10);
+
+ painter->setPen(QPen(Qt::green));
+ QString text = QString::number(zValue());
+ painter->drawText(_boundingRect.center(), text);
+}
+#endif // #ifdef HAVE_WEBKIT
+
/*************************************************************************************************/
ContentsChatItem::WrapColumnFinder::WrapColumnFinder(ChatItem *_item)
wrapList(item->data(ChatLineModel::WrapListRole).value<ChatLineModel::WrapList>()),
wordidx(0),
lineCount(0),
- choppedTrailing(0),
- lastwrapcol(0),
- lastwrappos(0),
- width(0)
+ choppedTrailing(0)
{
}
qint16 end = wrapList.count() - 1;
// check if the whole line fits
- if(wrapList.at(end).endX <= targetWidth || start == end)
+ if(wrapList.at(end).endX <= targetWidth) // || start == end)
return -1;
+ // 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();
+ }
+ return line.xToCursor(targetWidth, QTextLine::CursorOnCharacter);
+ }
+
while(true) {
- if(start == end) {
- wordidx = start;
- if(wordidx > 0) {
- const ChatLineModel::Word &prevWord = wrapList.at(wordidx - 1);
- choppedTrailing += prevWord.trailing - (targetWidth - prevWord.endX);
- }
+ if(start + 1 == end) {
+ wordidx = end;
+ const ChatLineModel::Word &lastWord = wrapList.at(start); // the last word we were able to squeeze in
+
+ // both cases should be cought preliminary
+ Q_ASSERT(lastWord.endX <= targetWidth); // ensure that "start" really fits in
+ Q_ASSERT(end < wrapList.count()); // ensure that start isn't the last word
+
+ choppedTrailing += lastWord.trailing - (targetWidth - lastWord.endX);
return wrapList.at(wordidx).start;
}
+
qint16 pivot = (end + start) / 2;
- if(wrapList.at(pivot).endX > targetWidth && wordidx != pivot) {
+ if(wrapList.at(pivot).endX > targetWidth) {
end = pivot;
} else {
- start = pivot + 1;
+ start = pivot;
}
}
+ Q_ASSERT(false);
return -1;
}