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 ChatLine::~ChatLine() {
64 chatView()->setHasCache(this, false);
67 ChatItem *ChatLine::item(ChatLineModel::ColumnType column) {
69 case ChatLineModel::TimestampColumn:
70 return &_timestampItem;
71 case ChatLineModel::SenderColumn:
73 case ChatLineModel::ContentsColumn:
74 return &_contentsItem;
80 ChatItem *ChatLine::itemAt(const QPointF &pos) {
81 if(_contentsItem.boundingRect().contains(pos))
82 return &_contentsItem;
83 if(_senderItem.boundingRect().contains(pos))
85 if(_timestampItem.boundingRect().contains(pos))
86 return &_timestampItem;
90 void ChatLine::clearCache() {
91 _timestampItem.clearCache();
92 _senderItem.clearCache();
93 _contentsItem.clearCache();
96 void ChatLine::setMouseGrabberItem(ChatItem *item) {
97 _mouseGrabberItem = item;
100 bool ChatLine::sceneEvent(QEvent *event) {
101 if(event->type() == QEvent::GrabMouse) {
102 // get mouse cursor pos relative to us
103 ChatView *view = chatScene()->chatView();
104 QPointF linePos = mapFromScene(view->mapToScene(view->mapFromGlobal(QCursor::pos())));
105 setMouseGrabberItem(itemAt(linePos));
106 } else if(event->type() == QEvent::UngrabMouse) {
107 setMouseGrabberItem(0);
109 return QGraphicsItem::sceneEvent(event);
112 void ChatLine::setFirstColumn(const qreal ×tampWidth, const qreal &senderWidth, const QPointF &senderPos) {
113 _timestampItem.setGeometry(timestampWidth, _height);
114 _senderItem.setGeometry(senderWidth, _height);
115 _senderItem.setPos(senderPos);
118 void ChatLine::setSecondColumn(const qreal &senderWidth, const qreal &contentsWidth, const QPointF &contentsPos, qreal &linePos) {
119 // linepos is the *bottom* position for the line
120 qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
122 bool needGeometryChange = (height != _height);
124 _timestampItem.setHeight(height);
125 _senderItem.setGeometry(senderWidth, height);
126 _contentsItem.setPos(contentsPos);
128 if(needGeometryChange)
129 prepareGeometryChange();
136 void ChatLine::setGeometryByWidth(const qreal &width, const qreal &contentsWidth, qreal &linePos) {
137 // linepos is the *bottom* position for the line
138 qreal height = _contentsItem.setGeometryByWidth(contentsWidth);
140 bool needGeometryChange = (height != _height || width != _width);
142 if(height != _height) {
143 _timestampItem.setHeight(height);
144 _senderItem.setHeight(height);
147 if(needGeometryChange) {
148 prepareGeometryChange();
153 setPos(0, linePos); // set pos is _very_ cheap if nothing changes.
156 void ChatLine::setSelected(bool selected, ChatLineModel::ColumnType minColumn) {
158 quint8 sel = (_selection & Highlighted) | Selected | minColumn;
159 if(sel != _selection) {
161 for(int i = 0; i < minColumn; i++)
162 item((ChatLineModel::ColumnType)i)->clearSelection();
163 for(int i = minColumn; i <= ChatLineModel::ContentsColumn; i++)
164 item((ChatLineModel::ColumnType)i)->setFullSelection();
168 quint8 sel = _selection & Highlighted;
169 if(sel != _selection) {
171 for(int i = 0; i <= ChatLineModel::ContentsColumn; i++)
172 item((ChatLineModel::ColumnType)i)->clearSelection();
178 void ChatLine::setHighlighted(bool highlighted) {
179 if(highlighted) _selection |= Highlighted;
180 else _selection &= ~Highlighted;
184 void ChatLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
188 const QAbstractItemModel *model_ = model();
189 QModelIndex myIdx = model_->index(row(), 0);
190 Message::Type type = (Message::Type)myIdx.data(MessageModel::TypeRole).toInt();
191 UiStyle::MessageLabel label = (UiStyle::MessageLabel)myIdx.data(ChatLineModel::MsgLabelRole).toInt();
193 QTextCharFormat msgFmt = QtUi::style()->format(UiStyle::formatType(type), label);
194 if(msgFmt.hasProperty(QTextFormat::BackgroundBrush)) {
195 painter->fillRect(boundingRect(), msgFmt.background());
198 if(_selection & Selected) {
199 QTextCharFormat selFmt = QtUi::style()->format(UiStyle::formatType(type), label | UiStyle::Selected);
200 if(selFmt.hasProperty(QTextFormat::BackgroundBrush)) {
201 qreal left = item((ChatLineModel::ColumnType)(_selection & ItemMask))->pos().x();
202 QRectF selectRect(left, 0, width() - left, height());
203 painter->fillRect(selectRect, selFmt.background());
208 // the items draw themselves at the correct position
209 timestampItem()->paint(painter, option, widget);
210 senderItem()->paint(painter, option, widget);
211 contentsItem()->paint(painter, option, widget);
214 // We need to dispatch all mouse-related events to the appropriate (mouse grabbing) ChatItem
216 ChatItem *ChatLine::mouseEventTargetItem(const QPointF &pos) {
217 if(mouseGrabberItem())
218 return mouseGrabberItem();
222 void ChatLine::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
223 ChatItem *item = mouseEventTargetItem(event->pos());
225 item->mouseMoveEvent(event);
228 void ChatLine::mousePressEvent(QGraphicsSceneMouseEvent *event) {
229 ChatItem *item = mouseEventTargetItem(event->pos());
231 item->mousePressEvent(event);
234 void ChatLine::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
235 ChatItem *item = mouseEventTargetItem(event->pos());
237 item->mouseReleaseEvent(event);
240 void ChatLine::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
241 ChatItem *item = mouseEventTargetItem(event->pos());
242 if(item && !_hoverItem) {
244 item->hoverEnterEvent(event);
248 void ChatLine::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
250 _hoverItem->hoverLeaveEvent(event);
255 void ChatLine::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
256 ChatItem *item = mouseEventTargetItem(event->pos());
258 item->hoverMoveEvent(event);