/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-2019 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
+#include "chatline.h"
+
+#include <QAbstractItemModel>
#include <QDateTime>
+#include <QGraphicsSceneMouseEvent>
+#include <QGraphicsSceneHoverEvent>
+#include <QPainter>
#include <QString>
-#include <QtGui>
+#include <QStyleOptionGraphicsItem>
+#include <QTextCharFormat>
+
+class QAbstractItemModel;
+class QGraphicsSceneMouseEvent;
+class QGraphicsSceneHoverEvent;
+class QPainter;
+class QStyleOptionGraphicsItem;
#include "bufferinfo.h"
#include "buffersyncer.h"
-#include "client.h"
#include "chatitem.h"
-#include "chatline.h"
+#include "chatview.h"
+#include "client.h"
#include "columnhandleitem.h"
#include "messagemodel.h"
#include "networkmodel.h"
#include "qtuisettings.h"
#include "qtuistyle.h"
-ChatLine::ChatLine(int row, QAbstractItemModel *model,
- const qreal &width,
- const qreal ×tampWidth, const qreal &senderWidth, const qreal &contentsWidth,
- const QPointF &senderPos, const QPointF &contentsPos,
- QGraphicsItem *parent)
- : QGraphicsItem(parent),
- _row(row), // needs to be set before the items
- _model(model),
- _contentsItem(contentsWidth, contentsPos, this),
- _senderItem(senderWidth, _contentsItem.height(), senderPos, this),
- _timestampItem(timestampWidth, _contentsItem.height(), this),
- _width(width),
- _height(_contentsItem.height()),
- _selection(0)
-{
- Q_ASSERT(model);
- QModelIndex index = model->index(row, ChatLineModel::ContentsColumn);
- setZValue(0);
- setHighlighted(model->data(index, MessageModel::FlagsRole).toInt() & Message::Highlight);
-}
-
-ChatItem &ChatLine::item(ChatLineModel::ColumnType column) {
- switch(column) {
+ChatLine::ChatLine(int row,
+ QAbstractItemModel* model,
+ const qreal& width,
+ const qreal& timestampWidth,
+ const qreal& senderWidth,
+ const qreal& contentsWidth,
+ const QPointF& senderPos,
+ const QPointF& contentsPos,
+ QGraphicsItem* parent)
+ : QGraphicsItem(parent)
+ , _row(row) // needs to be set before the items
+ , _model(model)
+ , _contentsItem(contentsPos, contentsWidth, this)
+ , _senderItem(QRectF(senderPos, QSizeF(senderWidth, _contentsItem.height())), this)
+ , _timestampItem(QRectF(0, 0, timestampWidth, _contentsItem.height()), this)
+ , _width(width)
+ , _height(_contentsItem.height())
+ , _selection(0)
+ , _mouseGrabberItem(nullptr)
+ , _hoverItem(nullptr)
+{
+ Q_ASSERT(model);
+ QModelIndex index = model->index(row, ChatLineModel::ContentsColumn);
+ setZValue(0);
+ setAcceptHoverEvents(true);
+ setHighlighted(index.data(MessageModel::FlagsRole).toInt() & Message::Highlight);
+}
+
+ChatLine::~ChatLine()
+{
+ if (chatView())
+ chatView()->setHasCache(this, false);
+}
+
+ChatItem* ChatLine::item(ChatLineModel::ColumnType column)
+{
+ switch (column) {
case ChatLineModel::TimestampColumn:
- return _timestampItem;
+ return &_timestampItem;
case ChatLineModel::SenderColumn:
- return _senderItem;
+ return &_senderItem;
case ChatLineModel::ContentsColumn:
- return _contentsItem;
- default:
- return *(ChatItem *)0; // provoke an error
- }
-}
-
-// WARNING: setColumns should not be used without either:
-// a) calling prepareGeometryChange() immediately before setColumns()
-// b) calling Chatline::setPos() immediately afterwards
-//
-// NOTE: senderPos and contentsPos are in ChatLines coordinate system!
-qreal ChatLine::setColumns(const qreal ×tampWidth, const qreal &senderWidth, const qreal &contentsWidth,
- const QPointF &senderPos, const QPointF &contentsPos) {
- _height = _contentsItem.setGeometryByWidth(contentsWidth);
- _senderItem.setGeometry(senderWidth, _height);
- _timestampItem.setGeometry(timestampWidth, _height);
-
- _senderItem.setPos(senderPos);
- _contentsItem.setPos(contentsPos);
-
- _contentsItem.clearLayout();
- _senderItem.clearLayout();
- _timestampItem.clearLayout();
-
- return _height;
-}
-
-// WARNING: setGeometryByWidth should not be used without either:
-// a) calling prepareGeometryChange() immediately before setColumns()
-// b) calling Chatline::setPos() immediately afterwards
-qreal ChatLine::setGeometryByWidth(const qreal &width, const qreal &contentsWidth) {
- _width = width;
- _height = _contentsItem.setGeometryByWidth(contentsWidth);
- _timestampItem.setHeight(_height);
- _senderItem.setHeight(_height);
- _contentsItem.clearLayout();
- return _height;
-}
-
-void ChatLine::setSelected(bool selected, ChatLineModel::ColumnType minColumn) {
- if(selected) {
- quint8 sel = (_selection & Highlighted) | Selected | minColumn;
- if(sel != _selection) {
- _selection = sel;
- for(int i = 0; i < minColumn; i++)
- item((ChatLineModel::ColumnType)i).clearSelection();
- for(int i = minColumn; i <= ChatLineModel::ContentsColumn; i++)
- item((ChatLineModel::ColumnType)i).setFullSelection();
- update();
+ return &_contentsItem;
+ default:
+ return nullptr;
+ }
+}
+
+ChatItem* ChatLine::itemAt(const QPointF& pos)
+{
+ if (_contentsItem.boundingRect().contains(pos))
+ return &_contentsItem;
+ if (_senderItem.boundingRect().contains(pos))
+ return &_senderItem;
+ if (_timestampItem.boundingRect().contains(pos))
+ return &_timestampItem;
+ return nullptr;
+}
+
+void ChatLine::clearCache()
+{
+ _timestampItem.clearCache();
+ _senderItem.clearCache();
+ _contentsItem.clearCache();
+}
+
+void ChatLine::setMouseGrabberItem(ChatItem* item)
+{
+ _mouseGrabberItem = item;
+}
+
+bool ChatLine::sceneEvent(QEvent* event)
+{
+ if (event->type() == QEvent::GrabMouse) {
+ // get mouse cursor pos relative to us
+ ChatView* view = chatScene()->chatView();
+ QPointF linePos = mapFromScene(view->mapToScene(view->mapFromGlobal(QCursor::pos())));
+ setMouseGrabberItem(itemAt(linePos));
+ }
+ else if (event->type() == QEvent::UngrabMouse) {
+ setMouseGrabberItem(nullptr);
+ }
+ return QGraphicsItem::sceneEvent(event);
+}
+
+void ChatLine::setFirstColumn(const qreal& timestampWidth, const qreal& senderWidth, const QPointF& senderPos)
+{
+ _timestampItem.setGeometry(timestampWidth, _height);
+ _senderItem.setGeometry(senderWidth, _height);
+ _senderItem.setPos(senderPos);
+}
+
+void ChatLine::setSecondColumn(const qreal& senderWidth, const qreal& contentsWidth, const QPointF& contentsPos, qreal& linePos)
+{
+ // linepos is the *bottom* position for the line
+ qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
+ linePos -= height;
+ bool needGeometryChange = (height != _height);
+
+ _timestampItem.setHeight(height);
+ _senderItem.setGeometry(senderWidth, height);
+ _contentsItem.setPos(contentsPos);
+
+ if (needGeometryChange)
+ prepareGeometryChange();
+
+ _height = height;
+
+ setPos(0, linePos);
+}
+
+void ChatLine::setGeometryByWidth(const qreal& width, const qreal& contentsWidth, qreal& linePos)
+{
+ // linepos is the *bottom* position for the line
+ qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
+ linePos -= height;
+ bool needGeometryChange = (height != _height || width != _width);
+
+ if (height != _height) {
+ _timestampItem.setHeight(height);
+ _senderItem.setHeight(height);
}
- } else {
- quint8 sel = _selection & Highlighted;
- if(sel != _selection) {
- _selection = sel;
- for(int i = 0; i <= ChatLineModel::ContentsColumn; i++)
- item((ChatLineModel::ColumnType)i).clearSelection();
- update();
+
+ if (needGeometryChange) {
+ prepareGeometryChange();
+ _height = height;
+ _width = width;
+ }
+
+ setPos(0, linePos); // set pos is _very_ cheap if nothing changes.
+}
+
+void ChatLine::setSelected(bool selected, ChatLineModel::ColumnType minColumn)
+{
+ if (selected) {
+ quint8 sel = (_selection & Highlighted) | Selected | minColumn;
+ if (sel != _selection) {
+ _selection = sel;
+ for (int i = 0; i < minColumn; i++)
+ item((ChatLineModel::ColumnType)i)->clearSelection();
+ for (int i = minColumn; i <= ChatLineModel::ContentsColumn; i++)
+ item((ChatLineModel::ColumnType)i)->setFullSelection();
+ update();
+ }
+ }
+ else {
+ quint8 sel = _selection & Highlighted;
+ if (sel != _selection) {
+ _selection = sel;
+ for (int i = 0; i <= ChatLineModel::ContentsColumn; i++)
+ item((ChatLineModel::ColumnType)i)->clearSelection();
+ update();
+ }
+ }
+}
+
+void ChatLine::setHighlighted(bool highlighted)
+{
+ if (highlighted)
+ _selection |= Highlighted;
+ else
+ _selection &= ~Highlighted;
+ update();
+}
+
+void ChatLine::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
+{
+ Q_UNUSED(option);
+ Q_UNUSED(widget);
+
+ const QAbstractItemModel* model_ = model();
+ QModelIndex myIdx = model_->index(row(), 0);
+ Message::Type type = (Message::Type)myIdx.data(MessageModel::TypeRole).toInt();
+ auto label = myIdx.data(ChatLineModel::MsgLabelRole).value<UiStyle::MessageLabel>();
+
+ QTextCharFormat msgFmt = QtUi::style()->format({UiStyle::formatType(type), {}, {}}, label);
+ if (msgFmt.hasProperty(QTextFormat::BackgroundBrush)) {
+ painter->fillRect(boundingRect(), msgFmt.background());
+ }
+
+ if (_selection & Selected) {
+ QTextCharFormat selFmt = QtUi::style()->format({UiStyle::formatType(type), {}, {}}, label | UiStyle::MessageLabel::Selected);
+ if (selFmt.hasProperty(QTextFormat::BackgroundBrush)) {
+ qreal left = item((ChatLineModel::ColumnType)(_selection & ItemMask))->pos().x();
+ QRectF selectRect(left, 0, width() - left, height());
+ painter->fillRect(selectRect, selFmt.background());
+ }
+ }
+
+ // draw chatitems
+ // the items draw themselves at the correct position
+ timestampItem()->paint(painter, option, widget);
+ senderItem()->paint(painter, option, widget);
+ contentsItem()->paint(painter, option, widget);
+}
+
+// We need to dispatch all mouse-related events to the appropriate (mouse grabbing) ChatItem
+
+ChatItem* ChatLine::mouseEventTargetItem(const QPointF& pos)
+{
+ if (mouseGrabberItem())
+ return mouseGrabberItem();
+ return itemAt(pos);
+}
+
+void ChatLine::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
+{
+ ChatItem* item = mouseEventTargetItem(event->pos());
+ if (item)
+ item->mouseMoveEvent(event);
+}
+
+void ChatLine::mousePressEvent(QGraphicsSceneMouseEvent* event)
+{
+ ChatItem* item = mouseEventTargetItem(event->pos());
+ if (item)
+ item->mousePressEvent(event);
+}
+
+void ChatLine::mouseReleaseEvent(QGraphicsSceneMouseEvent* event)
+{
+ ChatItem* item = mouseEventTargetItem(event->pos());
+ if (item)
+ item->mouseReleaseEvent(event);
+}
+
+void ChatLine::hoverEnterEvent(QGraphicsSceneHoverEvent* event)
+{
+ ChatItem* item = mouseEventTargetItem(event->pos());
+ if (item && !_hoverItem) {
+ _hoverItem = item;
+ item->hoverEnterEvent(event);
}
- }
-}
-
-void ChatLine::setHighlighted(bool highlighted) {
- if(highlighted) _selection |= Highlighted;
- else _selection &= ~Highlighted;
- update();
-}
-
-void ChatLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
- Q_UNUSED(option);
- Q_UNUSED(widget);
- if(_selection & Highlighted) {
- painter->fillRect(boundingRect(), QBrush(QtUi::style()->highlightColor()));
- }
- if(_selection & Selected) {
- qreal left = item((ChatLineModel::ColumnType)(_selection & ItemMask)).x();
- QRectF selectRect(left, 0, width() - left, height());
- painter->fillRect(selectRect, QApplication::palette().brush(QPalette::Highlight));
- }
-
- // new line marker
- const QAbstractItemModel *model_ = model();
- if(model_ && row() > 0) {
- QModelIndex prevRowIdx = model_->index(row() - 1, 0);
- MsgId msgId = model_->data(prevRowIdx, MessageModel::MsgIdRole).value<MsgId>();
- Message::Flags flags = (Message::Flags)model_->data(model_->index(row(), 0), MessageModel::FlagsRole).toInt();
- // don't show the marker if we wrote that new line
- if(!(flags & Message::Self)) {
- BufferId bufferId = model_->data(prevRowIdx, MessageModel::BufferIdRole).value<BufferId>();
- if(msgId == Client::networkModel()->lastSeenMsgId(bufferId) && chatScene()->isSingleBufferScene()) {
- QtUiStyleSettings s("Colors");
- QLinearGradient gradient(0, 0, 0, contentsItem().fontMetrics()->lineSpacing());
- gradient.setColorAt(0, s.value("newMsgMarkerFG", QColor(Qt::red)).value<QColor>());
- gradient.setColorAt(0.1, Qt::transparent);
- painter->fillRect(boundingRect(), gradient);
- }
+}
+
+void ChatLine::hoverLeaveEvent(QGraphicsSceneHoverEvent* event)
+{
+ if (_hoverItem) {
+ _hoverItem->hoverLeaveEvent(event);
+ _hoverItem = nullptr;
}
- }
+}
+
+void ChatLine::hoverMoveEvent(QGraphicsSceneHoverEvent* event)
+{
+ ChatItem* item = mouseEventTargetItem(event->pos());
+ if (item)
+ item->hoverMoveEvent(event);
}
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