#include <QApplication>
#include <QClipboard>
+#include <QDrag>
#include <QGraphicsSceneMouseEvent>
+#include <QMenu>
#include <QPersistentModelIndex>
#include <QWebView>
#include "chatline.h"
#include "chatlinemodelitem.h"
#include "chatscene.h"
+#include "chatview.h"
#include "client.h"
#include "clientbacklogmanager.h"
#include "columnhandleitem.h"
+#include "iconloader.h"
#include "messagefilter.h"
#include "qtui.h"
#include "qtuistyle.h"
const qreal minContentsWidth = 200;
-ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, QObject *parent)
- : QGraphicsScene(0, 0, width, 0, parent),
+ChatScene::ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, ChatView *parent)
+ : QGraphicsScene(0, 0, width, 0, (QObject *)parent),
+ _chatView(parent),
_idString(idString),
_model(model),
_singleBufferScene(false),
_cutoffMode(CutoffRight),
_selectingItem(0),
_selectionStart(-1),
- _isSelecting(false)
+ _isSelecting(false),
+ _clickMode(NoClick),
+ _clickHandled(true),
+ _leftButtonPressed(false)
{
MessageFilter *filter = qobject_cast<MessageFilter*>(model);
if(filter) {
webPreview.deleteTimer.setInterval(10000);
connect(&webPreview.deleteTimer, SIGNAL(timeout()), this, SLOT(deleteWebPreviewEvent()));
#endif
+ _showWebPreview = defaultSettings.showWebPreview();
+ defaultSettings.notify("ShowWebPreview", this, SLOT(showWebPreviewChanged()));
+
+ _clickTimer.setInterval(QApplication::doubleClickInterval());
+ _clickTimer.setSingleShot(true);
+ connect(&_clickTimer, SIGNAL(timeout()), SLOT(clickTimeout()));
setItemIndexMethod(QGraphicsScene::NoIndex);
}
ChatScene::~ChatScene() {
}
+ChatView *ChatScene::chatView() const {
+ return _chatView;
+}
+
+ColumnHandleItem *ChatScene::firstColumnHandle() const {
+ return _firstColHandle;
+}
+
+ColumnHandleItem *ChatScene::secondColumnHandle() const {
+ return _secondColHandle;
+}
+
+ChatItem *ChatScene::chatItemAt(const QPointF &scenePos) const {
+ QGraphicsItem *item = itemAt(scenePos);
+ return dynamic_cast<ChatItem *>(item);
+}
+
+bool ChatScene::containsBuffer(const BufferId &id) const {
+ MessageFilter *filter = qobject_cast<MessageFilter*>(model());
+ if(filter)
+ return filter->containsBuffer(id);
+ else
+ return false;
+}
+
void ChatScene::rowsInserted(const QModelIndex &index, int start, int end) {
Q_UNUSED(index);
}
void ChatScene::updateSelection(const QPointF &pos) {
- // This is somewhat hacky... we look at the contents item that is at the cursor's y position (ignoring x), since
- // it has the full height. From this item, we can then determine the row index and hence the ChatLine.
- ChatItem *contentItem = static_cast<ChatItem *>(itemAt(QPointF(_secondColHandle->sceneRight() + 1, pos.y())));
- if(!contentItem) return;
-
- int curRow = contentItem->row();
- int curColumn;
- if(pos.x() > _secondColHandle->sceneRight()) curColumn = ChatLineModel::ContentsColumn;
- else if(pos.x() > _firstColHandlePos) curColumn = ChatLineModel::SenderColumn;
- else curColumn = ChatLineModel::TimestampColumn;
-
+ int curRow = rowByScenePos(pos);
+ if(curRow < 0) return;
+ int curColumn = (int)columnByScenePos(pos);
ChatLineModel::ColumnType minColumn = (ChatLineModel::ColumnType)qMin(curColumn, _selectionStartCol);
if(minColumn != _selectionMinCol) {
_selectionMinCol = minColumn;
}
_lines[curRow]->setSelected(false);
_isSelecting = false;
+ _selectionStart = -1;
_selectingItem->continueSelecting(_selectingItem->mapFromScene(pos));
}
}
-void ChatScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
- if(_isSelecting && event->buttons() == Qt::LeftButton) {
- updateSelection(event->scenePos());
- emit mouseMoveWhileSelecting(event->scenePos());
- event->accept();
+bool ChatScene::isPosOverSelection(const QPointF &pos) const {
+ ChatItem *chatItem = chatItemAt(pos);
+ if(!chatItem)
+ return false;
+ if(hasGlobalSelection()) {
+ int row = chatItem->row();
+ if(row >= qMin(_selectionStart, _selectionEnd) && row <= qMax(_selectionStart, _selectionEnd))
+ return columnByScenePos(pos) >= _selectionMinCol;
} else {
- QGraphicsScene::mouseMoveEvent(event);
+ return chatItem->isPosOverSelection(chatItem->mapFromScene(pos));
}
+ return false;
+}
+
+bool ChatScene::isScrollingAllowed() const {
+ if(_isSelecting)
+ return false;
+
+ // TODO: Handle clicks and single-item selections too
+
+ return true;
+}
+
+/******** MOUSE HANDLING **************************************************************************/
+
+void ChatScene::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) {
+ QPointF pos = event->scenePos();
+ QMenu menu;
+
+ // zoom actions and similar
+ chatView()->addActionsToMenu(&menu, pos);
+ menu.addSeparator();
+
+ if(isPosOverSelection(pos))
+ menu.addAction(SmallIcon("edit-copy"), tr("Copy Selection"),
+ this, SLOT(selectionToClipboard()),
+ QKeySequence::Copy);
+
+ // item-specific options (select link etc)
+ ChatItem *item = chatItemAt(pos);
+ if(item)
+ item->addActionsToMenu(&menu, item->mapFromScene(pos));
+
+ menu.exec(event->screenPos());
+
+}
+
+void ChatScene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+ if(event->buttons() == Qt::LeftButton) {
+ if(!_clickHandled && (event->scenePos() - _clickPos).toPoint().manhattanLength() >= QApplication::startDragDistance()) {
+ if(_clickTimer.isActive())
+ _clickTimer.stop();
+ if(_clickMode == SingleClick && isPosOverSelection(_clickPos))
+ initiateDrag(event->widget());
+ else {
+ _clickMode = DragStartClick;
+ handleClick(Qt::LeftButton, _clickPos);
+ }
+ _clickMode = NoClick;
+ }
+ if(_isSelecting) {
+ updateSelection(event->scenePos());
+ emit mouseMoveWhileSelecting(event->scenePos());
+ event->accept();
+ } else if(_clickHandled && _clickMode < DoubleClick)
+ QGraphicsScene::mouseMoveEvent(event);
+ } else
+ QGraphicsScene::mouseMoveEvent(event);
}
void ChatScene::mousePressEvent(QGraphicsSceneMouseEvent *event) {
- if(_selectionStart >= 0 && event->buttons() == Qt::LeftButton) {
- for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) {
- _lines[l]->setSelected(false);
+ if(event->buttons() == Qt::LeftButton) {
+ _leftButtonPressed = true;
+ _clickHandled = false;
+ if(!isPosOverSelection(event->scenePos())) {
+ // immediately clear selection if clicked outside; otherwise, wait for potential drag
+ clearSelection();
}
- _isSelecting = false;
- _selectionStart = -1;
- QGraphicsScene::mousePressEvent(event); // so we can start a new local selection
- } else {
- QGraphicsScene::mousePressEvent(event);
+ if(_clickMode != NoClick && _clickTimer.isActive()) {
+ switch(_clickMode) {
+ case NoClick: _clickMode = SingleClick; break;
+ case SingleClick: _clickMode = DoubleClick; break;
+ case DoubleClick: _clickMode = TripleClick; break;
+ case TripleClick: _clickMode = DoubleClick; break;
+ case DragStartClick: break;
+ }
+ handleClick(Qt::LeftButton, _clickPos);
+ } else {
+ _clickMode = SingleClick;
+ _clickPos = event->scenePos();
+ }
+ _clickTimer.start();
}
+ if(event->type() == QEvent::GraphicsSceneMouseDoubleClick)
+ QGraphicsScene::mouseDoubleClickEvent(event);
+ else
+ QGraphicsScene::mousePressEvent(event);
+}
+
+void ChatScene::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) {
+ // we check for doubleclick ourselves, so just call press handler
+ mousePressEvent(event);
}
void ChatScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
- if(_isSelecting && !event->buttons() & Qt::LeftButton) {
- putToClipboard(selectionToString());
- _isSelecting = false;
- event->accept();
- } else {
- QGraphicsScene::mouseReleaseEvent(event);
+ if(!event->buttons() & Qt::LeftButton) {
+ _leftButtonPressed = false;
+ if(_clickMode != NoClick) {
+ if(_clickMode == SingleClick)
+ clearSelection();
+ event->accept();
+ if(!_clickTimer.isActive())
+ handleClick(Qt::LeftButton, _clickPos);
+ } else {
+ // no click -> drag or selection move
+ if(isGloballySelecting()) {
+ selectionToClipboard(QClipboard::Selection);
+ _isSelecting = false;
+ event->accept();
+ return;
+ }
+ }
+ }
+ QGraphicsScene::mouseReleaseEvent(event);
+}
+
+void ChatScene::clickTimeout() {
+ if(!_leftButtonPressed && _clickMode == SingleClick)
+ handleClick(Qt::LeftButton, _clickPos);
+}
+
+void ChatScene::handleClick(Qt::MouseButton button, const QPointF &scenePos) {
+ if(button == Qt::LeftButton) {
+ clearSelection();
+
+ // Now send click down to items
+ ChatItem *chatItem = chatItemAt(scenePos);
+ if(chatItem) {
+ chatItem->handleClick(chatItem->mapFromScene(scenePos), _clickMode);
+ }
+ _clickHandled = true;
}
}
-void ChatScene::putToClipboard(const QString &selection) {
- // TODO Configure clipboards
-# ifdef Q_WS_X11
- QApplication::clipboard()->setText(selection, QClipboard::Selection);
-# endif
-//# else
- QApplication::clipboard()->setText(selection);
-//# endif
+void ChatScene::initiateDrag(QWidget *source) {
+ QDrag *drag = new QDrag(source);
+ QMimeData *mimeData = new QMimeData;
+ mimeData->setText(selection());
+ drag->setMimeData(mimeData);
+
+ drag->exec(Qt::CopyAction);
+}
+
+/******** SELECTIONS ******************************************************************************/
+
+void ChatScene::selectionToClipboard(QClipboard::Mode mode) {
+ if(!hasSelection())
+ return;
+
+ stringToClipboard(selection(), mode);
+}
+
+void ChatScene::stringToClipboard(const QString &str, QClipboard::Mode mode) {
+ switch(mode) {
+ case QClipboard::Clipboard:
+ QApplication::clipboard()->setText(str);
+ break;
+ case QClipboard::Selection:
+ if(QApplication::clipboard()->supportsSelection())
+ QApplication::clipboard()->setText(str, QClipboard::Selection);
+ break;
+ default:
+ break;
+ };
}
//!\brief Convert current selection to human-readable string.
-QString ChatScene::selectionToString() const {
+QString ChatScene::selection() const {
//TODO Make selection format configurable!
- if(!_isSelecting) return QString();
- int start = qMin(_selectionStart, _selectionEnd);
- int end = qMax(_selectionStart, _selectionEnd);
- if(start < 0 || end >= _lines.count()) {
- qDebug() << "Invalid selection range:" << start << end;
- return QString();
- }
- QString result;
- for(int l = start; l <= end; l++) {
- if(_selectionMinCol == ChatLineModel::TimestampColumn)
- result += _lines[l]->item(ChatLineModel::TimestampColumn).data(MessageModel::DisplayRole).toString() + " ";
- if(_selectionMinCol <= ChatLineModel::SenderColumn)
- result += _lines[l]->item(ChatLineModel::SenderColumn).data(MessageModel::DisplayRole).toString() + " ";
- result += _lines[l]->item(ChatLineModel::ContentsColumn).data(MessageModel::DisplayRole).toString() + "\n";
+ if(hasGlobalSelection()) {
+ int start = qMin(_selectionStart, _selectionEnd);
+ int end = qMax(_selectionStart, _selectionEnd);
+ if(start < 0 || end >= _lines.count()) {
+ qDebug() << "Invalid selection range:" << start << end;
+ return QString();
+ }
+ QString result;
+ for(int l = start; l <= end; l++) {
+ if(_selectionMinCol == ChatLineModel::TimestampColumn)
+ result += _lines[l]->item(ChatLineModel::TimestampColumn).data(MessageModel::DisplayRole).toString() + " ";
+ if(_selectionMinCol <= ChatLineModel::SenderColumn)
+ result += _lines[l]->item(ChatLineModel::SenderColumn).data(MessageModel::DisplayRole).toString() + " ";
+ result += _lines[l]->item(ChatLineModel::ContentsColumn).data(MessageModel::DisplayRole).toString() + "\n";
+ }
+ return result;
+ } else if(selectingItem())
+ return selectingItem()->selection();
+ return QString();
+}
+
+bool ChatScene::hasSelection() const {
+ return hasGlobalSelection() || (selectingItem() && selectingItem()->hasSelection());
+}
+
+bool ChatScene::hasGlobalSelection() const {
+ return _selectionStart >= 0;
+}
+
+bool ChatScene::isGloballySelecting() const {
+ return _isSelecting;
+}
+
+void ChatScene::clearGlobalSelection() {
+ if(hasGlobalSelection()) {
+ for(int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++)
+ _lines[l]->setSelected(false);
+ _isSelecting = false;
+ _selectionStart = -1;
}
- return result;
}
+void ChatScene::clearSelection() {
+ clearGlobalSelection();
+ if(selectingItem())
+ selectingItem()->clearSelection();
+}
+
+/******** *************************************************************************************/
+
void ChatScene::requestBacklog() {
MessageFilter *filter = qobject_cast<MessageFilter*>(model());
if(filter)
return;
}
-int ChatScene::sectionByScenePos(int x) {
+ChatLineModel::ColumnType ChatScene::columnByScenePos(qreal x) const {
if(x < _firstColHandle->x())
return ChatLineModel::TimestampColumn;
if(x < _secondColHandle->x())
return ChatLineModel::ContentsColumn;
}
+int ChatScene::rowByScenePos(qreal y) const {
+ // This is somewhat hacky... we look at the contents item that is at the given y position, since
+ // it has the full height. From this item, we can then determine the row index and hence the ChatLine.
+ // ChatItems cover their ChatLine, so we won't get to the latter directly.
+ ChatItem *contentItem = static_cast<ChatItem *>(itemAt(QPointF(_secondColHandle->sceneRight() + 1, y)));
+ if(!contentItem) return -1;
+ return contentItem->row();
+}
+
void ChatScene::updateSceneRect(qreal width) {
if(_lines.isEmpty()) {
updateSceneRect(QRectF(0, 0, width, 0));
return QGraphicsScene::event(e);
}
+/******** WEB PREVIEW *****************************************************************************/
+
void ChatScene::loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect) {
#ifndef HAVE_WEBKIT
Q_UNUSED(parentItem)
Q_UNUSED(url)
Q_UNUSED(urlRect)
#else
+ if(!_showWebPreview)
+ return;
+
if(webPreview.parentItem != parentItem)
webPreview.parentItem = parentItem;
webPreview.urlRect = QRectF();
#endif
}
+
+void ChatScene::showWebPreviewChanged() {
+ ChatViewSettings settings;
+ _showWebPreview = settings.showWebPreview();
+}
projects / quassel.git / blobdiff