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()),
55 QModelIndex index = model->index(row, ChatLineModel::ContentsColumn);
57 setAcceptHoverEvents(true);
58 setHighlighted(index.data(MessageModel::FlagsRole).toInt() & Message::Highlight);
61 ChatItem *ChatLine::item(ChatLineModel::ColumnType column) {
63 case ChatLineModel::TimestampColumn:
64 return &_timestampItem;
65 case ChatLineModel::SenderColumn:
67 case ChatLineModel::ContentsColumn:
68 return &_contentsItem;
74 ChatItem *ChatLine::itemAt(const QPointF &pos) {
75 if(_contentsItem.boundingRect().contains(pos))
76 return &_contentsItem;
77 if(_senderItem.boundingRect().contains(pos))
79 if(_timestampItem.boundingRect().contains(pos))
80 return &_timestampItem;
84 void ChatLine::setMouseGrabberItem(ChatItem *item) {
85 _mouseGrabberItem = item;
88 bool ChatLine::sceneEvent(QEvent *event) {
89 if(event->type() == QEvent::GrabMouse) {
90 // get mouse cursor pos relative to us
91 ChatView *view = chatScene()->chatView();
92 QPointF linePos = mapFromScene(view->mapToScene(view->mapFromGlobal(QCursor::pos())));
93 setMouseGrabberItem(itemAt(linePos));
94 } else if(event->type() == QEvent::UngrabMouse) {
95 setMouseGrabberItem(0);
97 return QGraphicsItem::sceneEvent(event);
100 void ChatLine::setFirstColumn(const qreal ×tampWidth, const qreal &senderWidth, const QPointF &senderPos) {
101 _timestampItem.setGeometry(timestampWidth, _height);
102 _senderItem.setGeometry(senderWidth, _height);
103 _senderItem.setPos(senderPos);
106 void ChatLine::setSecondColumn(const qreal &senderWidth, const qreal &contentsWidth, const QPointF &contentsPos, qreal &linePos) {
107 // linepos is the *bottom* position for the line
108 qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
110 bool needGeometryChange = (height != _height);
112 _timestampItem.setHeight(height);
113 _senderItem.setGeometry(senderWidth, height);
114 _contentsItem.setPos(contentsPos);
116 if(needGeometryChange)
117 prepareGeometryChange();
124 void ChatLine::setGeometryByWidth(const qreal &width, const qreal &contentsWidth, qreal &linePos) {
125 // linepos is the *bottom* position for the line
126 qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
128 bool needGeometryChange = (height != _height || width != _width);
130 if(height != _height) {
131 _timestampItem.setHeight(height);
132 _senderItem.setHeight(height);
135 if(needGeometryChange) {
136 prepareGeometryChange();
141 setPos(0, linePos); // set pos is _very_ cheap if nothing changes.
144 void ChatLine::setSelected(bool selected, ChatLineModel::ColumnType minColumn) {
146 quint8 sel = (_selection & Highlighted) | Selected | minColumn;
147 if(sel != _selection) {
149 for(int i = 0; i < minColumn; i++)
150 item((ChatLineModel::ColumnType)i)->clearSelection();
151 for(int i = minColumn; i <= ChatLineModel::ContentsColumn; i++)
152 item((ChatLineModel::ColumnType)i)->setFullSelection();
156 quint8 sel = _selection & Highlighted;
157 if(sel != _selection) {
159 for(int i = 0; i <= ChatLineModel::ContentsColumn; i++)
160 item((ChatLineModel::ColumnType)i)->clearSelection();
166 void ChatLine::setHighlighted(bool highlighted) {
167 if(highlighted) _selection |= Highlighted;
168 else _selection &= ~Highlighted;
172 void ChatLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
176 const QAbstractItemModel *model_ = model();
177 QModelIndex myIdx = model_->index(row(), 0);
178 Message::Type type = (Message::Type)myIdx.data(MessageModel::TypeRole).toInt();
179 UiStyle::MessageLabel label = (UiStyle::MessageLabel)myIdx.data(ChatLineModel::MsgLabelRole).toInt();
181 QTextCharFormat msgFmt = QtUi::style()->format(UiStyle::formatType(type), label);
182 if(msgFmt.hasProperty(QTextFormat::BackgroundBrush)) {
183 painter->fillRect(boundingRect(), msgFmt.background());
186 if(_selection & Selected) {
187 QTextCharFormat selFmt = QtUi::style()->format(UiStyle::formatType(type), label | UiStyle::Selected);
188 if(selFmt.hasProperty(QTextFormat::BackgroundBrush)) {
189 qreal left = item((ChatLineModel::ColumnType)(_selection & ItemMask))->pos().x();
190 QRectF selectRect(left, 0, width() - left, height());
191 painter->fillRect(selectRect, selFmt.background());
196 // the items draw themselves at the correct position
197 timestampItem()->paint(painter, option, widget);
198 senderItem()->paint(painter, option, widget);
199 contentsItem()->paint(painter, option, widget);
202 if(model_ && row() > 0 && chatScene()->isSingleBufferScene()) {
203 QModelIndex prevRowIdx = model_->index(row() - 1, 0);
204 MsgId prevMsgId = prevRowIdx.data(MessageModel::MsgIdRole).value<MsgId>();
205 MsgId myMsgId = myIdx.data(MessageModel::MsgIdRole).value<MsgId>();
206 Message::Flags flags = (Message::Flags)myIdx.data(MessageModel::FlagsRole).toInt();
208 // don't show the marker if we wrote that new line
209 if(!(flags & Message::Self)) {
210 BufferId bufferId = BufferId(chatScene()->idString().toInt());
211 MsgId lastSeenMsgId = Client::networkModel()->markerLineMsgId(bufferId);
212 if(lastSeenMsgId < myMsgId && lastSeenMsgId >= prevMsgId) {
213 QLinearGradient gradient(0, 0, 0, contentsItem()->fontMetrics()->lineSpacing());
214 gradient.setColorAt(0, QtUi::style()->brush(UiStyle::MarkerLine).color()); // FIXME: Use full (gradient?) brush instead of just the color
215 gradient.setColorAt(0.1, Qt::transparent);
216 painter->fillRect(boundingRect(), gradient);
222 // We need to dispatch all mouse-related events to the appropriate (mouse grabbing) ChatItem
224 ChatItem *ChatLine::mouseEventTargetItem(const QPointF &pos) {
225 if(mouseGrabberItem())
226 return mouseGrabberItem();
230 void ChatLine::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
231 ChatItem *item = mouseEventTargetItem(event->pos());
233 item->mouseMoveEvent(event);
236 void ChatLine::mousePressEvent(QGraphicsSceneMouseEvent *event) {
237 ChatItem *item = mouseEventTargetItem(event->pos());
239 item->mousePressEvent(event);
242 void ChatLine::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
243 ChatItem *item = mouseEventTargetItem(event->pos());
245 item->mouseReleaseEvent(event);
248 void ChatLine::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
249 ChatItem *item = mouseEventTargetItem(event->pos());
251 item->hoverEnterEvent(event);
254 void ChatLine::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
255 ChatItem *item = mouseEventTargetItem(event->pos());
257 item->hoverLeaveEvent(event);
260 void ChatLine::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
261 ChatItem *item = mouseEventTargetItem(event->pos());
263 item->hoverMoveEvent(event);