1 /***************************************************************************
2 * Copyright (C) 2005-2010 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
25 #include "bufferinfo.h"
26 #include "buffersyncer.h"
31 #include "columnhandleitem.h"
32 #include "messagemodel.h"
33 #include "networkmodel.h"
35 #include "qtuisettings.h"
36 #include "qtuistyle.h"
38 ChatLine::ChatLine(int row, QAbstractItemModel *model,
40 const qreal ×tampWidth, const qreal &senderWidth, const qreal &contentsWidth,
41 const QPointF &senderPos, const QPointF &contentsPos,
42 QGraphicsItem *parent)
43 : QGraphicsItem(parent),
44 _row(row), // needs to be set before the items
46 _contentsItem(contentsPos, contentsWidth, this),
47 _senderItem(QRectF(senderPos, QSizeF(senderWidth, _contentsItem.height())), this),
48 _timestampItem(QRectF(0, 0, timestampWidth, _contentsItem.height()), this),
50 _height(_contentsItem.height()),
56 QModelIndex index = model->index(row, ChatLineModel::ContentsColumn);
58 setAcceptHoverEvents(true);
59 setHighlighted(index.data(MessageModel::FlagsRole).toInt() & Message::Highlight);
62 ChatItem *ChatLine::item(ChatLineModel::ColumnType column) {
64 case ChatLineModel::TimestampColumn:
65 return &_timestampItem;
66 case ChatLineModel::SenderColumn:
68 case ChatLineModel::ContentsColumn:
69 return &_contentsItem;
75 ChatItem *ChatLine::itemAt(const QPointF &pos) {
76 if(_contentsItem.boundingRect().contains(pos))
77 return &_contentsItem;
78 if(_senderItem.boundingRect().contains(pos))
80 if(_timestampItem.boundingRect().contains(pos))
81 return &_timestampItem;
85 void ChatLine::setMouseGrabberItem(ChatItem *item) {
86 _mouseGrabberItem = item;
89 bool ChatLine::sceneEvent(QEvent *event) {
90 if(event->type() == QEvent::GrabMouse) {
91 // get mouse cursor pos relative to us
92 ChatView *view = chatScene()->chatView();
93 QPointF linePos = mapFromScene(view->mapToScene(view->mapFromGlobal(QCursor::pos())));
94 setMouseGrabberItem(itemAt(linePos));
95 } else if(event->type() == QEvent::UngrabMouse) {
96 setMouseGrabberItem(0);
98 return QGraphicsItem::sceneEvent(event);
101 void ChatLine::setFirstColumn(const qreal ×tampWidth, const qreal &senderWidth, const QPointF &senderPos) {
102 _timestampItem.setGeometry(timestampWidth, _height);
103 _senderItem.setGeometry(senderWidth, _height);
104 _senderItem.setPos(senderPos);
107 void ChatLine::setSecondColumn(const qreal &senderWidth, const qreal &contentsWidth, const QPointF &contentsPos, qreal &linePos) {
108 // linepos is the *bottom* position for the line
109 qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
111 bool needGeometryChange = (height != _height);
113 _timestampItem.setHeight(height);
114 _senderItem.setGeometry(senderWidth, height);
115 _contentsItem.setPos(contentsPos);
117 if(needGeometryChange)
118 prepareGeometryChange();
125 void ChatLine::setGeometryByWidth(const qreal &width, const qreal &contentsWidth, qreal &linePos) {
126 // linepos is the *bottom* position for the line
127 qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
129 bool needGeometryChange = (height != _height || width != _width);
131 if(height != _height) {
132 _timestampItem.setHeight(height);
133 _senderItem.setHeight(height);
136 if(needGeometryChange) {
137 prepareGeometryChange();
142 setPos(0, linePos); // set pos is _very_ cheap if nothing changes.
145 void ChatLine::setSelected(bool selected, ChatLineModel::ColumnType minColumn) {
147 quint8 sel = (_selection & Highlighted) | Selected | minColumn;
148 if(sel != _selection) {
150 for(int i = 0; i < minColumn; i++)
151 item((ChatLineModel::ColumnType)i)->clearSelection();
152 for(int i = minColumn; i <= ChatLineModel::ContentsColumn; i++)
153 item((ChatLineModel::ColumnType)i)->setFullSelection();
157 quint8 sel = _selection & Highlighted;
158 if(sel != _selection) {
160 for(int i = 0; i <= ChatLineModel::ContentsColumn; i++)
161 item((ChatLineModel::ColumnType)i)->clearSelection();
167 void ChatLine::setHighlighted(bool highlighted) {
168 if(highlighted) _selection |= Highlighted;
169 else _selection &= ~Highlighted;
173 void ChatLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
177 const QAbstractItemModel *model_ = model();
178 QModelIndex myIdx = model_->index(row(), 0);
179 Message::Type type = (Message::Type)myIdx.data(MessageModel::TypeRole).toInt();
180 UiStyle::MessageLabel label = (UiStyle::MessageLabel)myIdx.data(ChatLineModel::MsgLabelRole).toInt();
182 QTextCharFormat msgFmt = QtUi::style()->format(UiStyle::formatType(type), label);
183 if(msgFmt.hasProperty(QTextFormat::BackgroundBrush)) {
184 painter->fillRect(boundingRect(), msgFmt.background());
187 if(_selection & Selected) {
188 QTextCharFormat selFmt = QtUi::style()->format(UiStyle::formatType(type), label | UiStyle::Selected);
189 if(selFmt.hasProperty(QTextFormat::BackgroundBrush)) {
190 qreal left = item((ChatLineModel::ColumnType)(_selection & ItemMask))->pos().x();
191 QRectF selectRect(left, 0, width() - left, height());
192 painter->fillRect(selectRect, selFmt.background());
197 // the items draw themselves at the correct position
198 timestampItem()->paint(painter, option, widget);
199 senderItem()->paint(painter, option, widget);
200 contentsItem()->paint(painter, option, widget);
203 if(model_ && row() > 0 && chatScene()->isSingleBufferScene()) {
204 QModelIndex prevRowIdx = model_->index(row() - 1, 0);
205 MsgId prevMsgId = prevRowIdx.data(MessageModel::MsgIdRole).value<MsgId>();
206 MsgId myMsgId = myIdx.data(MessageModel::MsgIdRole).value<MsgId>();
207 Message::Flags flags = (Message::Flags)myIdx.data(MessageModel::FlagsRole).toInt();
209 // don't show the marker if we wrote that new line
210 if(!(flags & Message::Self)) {
211 BufferId bufferId = BufferId(chatScene()->idString().toInt());
212 MsgId lastSeenMsgId = Client::networkModel()->markerLineMsgId(bufferId);
213 if(lastSeenMsgId < myMsgId && lastSeenMsgId >= prevMsgId) {
214 QLinearGradient gradient(0, 0, 0, contentsItem()->fontMetrics()->lineSpacing());
215 gradient.setColorAt(0, QtUi::style()->brush(UiStyle::MarkerLine).color()); // FIXME: Use full (gradient?) brush instead of just the color
216 gradient.setColorAt(0.1, Qt::transparent);
217 painter->fillRect(boundingRect(), gradient);
223 // We need to dispatch all mouse-related events to the appropriate (mouse grabbing) ChatItem
225 ChatItem *ChatLine::mouseEventTargetItem(const QPointF &pos) {
226 if(mouseGrabberItem())
227 return mouseGrabberItem();
231 void ChatLine::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
232 ChatItem *item = mouseEventTargetItem(event->pos());
234 item->mouseMoveEvent(event);
237 void ChatLine::mousePressEvent(QGraphicsSceneMouseEvent *event) {
238 ChatItem *item = mouseEventTargetItem(event->pos());
240 item->mousePressEvent(event);
243 void ChatLine::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
244 ChatItem *item = mouseEventTargetItem(event->pos());
246 item->mouseReleaseEvent(event);
249 void ChatLine::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
250 ChatItem *item = mouseEventTargetItem(event->pos());
251 if(item && !_hoverItem) {
253 item->hoverEnterEvent(event);
257 void ChatLine::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
259 _hoverItem->hoverLeaveEvent(event);
264 void ChatLine::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
265 ChatItem *item = mouseEventTargetItem(event->pos());
267 item->hoverMoveEvent(event);