| /*************************************************************************** |
| * Copyright (C) 2015-2016 by Savoir-faire Linux * |
| * Author: Edric Ladent Milaret <edric.ladent-milaret@savoirfairelinux.com>* |
| * * |
| * This program is free software; you can redistribute it and/or modify * |
| * it under the terms of the GNU General Public License as published by * |
| * the Free Software Foundation; either version 3 of the License, or * |
| * (at your option) any later version. * |
| * * |
| * This program is distributed in the hope that it will be useful, * |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| * GNU General Public License for more details. * |
| * * |
| * You should have received a copy of the GNU General Public License * |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. * |
| **************************************************************************/ |
| |
| #include "imdelegate.h" |
| |
| #include "media/text.h" |
| #include "media/textrecording.h" |
| |
| #include <QApplication> |
| |
| ImDelegate::ImDelegate(QObject *parent) |
| : QStyledItemDelegate(parent), showDate_(false), showAuthor_(false) |
| {} |
| |
| void ImDelegate::setDisplayOptions(ImDelegate::DisplayOptions opt) |
| { |
| showAuthor_ = opt & DisplayOptions::AUTHOR; |
| showDate_ = opt & DisplayOptions::DATE; |
| emit sizeHintChanged(QModelIndex()); |
| } |
| |
| void |
| ImDelegate::formatMsg(const QModelIndex& index, QString& msg) const |
| { |
| if (showAuthor_) { |
| auto author = index.data( |
| static_cast<int>(Media::TextRecording::Role::AuthorDisplayname)).toString(); |
| msg = QString("(%1)\n%2").arg(author, msg); |
| } |
| if (showDate_) { |
| auto formattedDate = index.data( |
| static_cast<int>(Media::TextRecording::Role::FormattedDate)).toString(); |
| msg = QString("%2\n%1").arg(formattedDate, msg); |
| } |
| } |
| |
| void |
| ImDelegate::paint(QPainter* painter, |
| const QStyleOptionViewItem& option, |
| const QModelIndex& index) const |
| { |
| QStyleOptionViewItem opt = option; |
| initStyleOption(&opt, index); |
| |
| painter->setRenderHint(QPainter::Antialiasing); |
| |
| if (index.isValid()) { |
| auto msg = index.data(Qt::DisplayRole).toString(); |
| opt.text.clear(); |
| QStyle* style = opt.widget ? opt.widget->style() : QApplication::style(); |
| QPalette::ColorGroup cg = opt.state & QStyle::State_Enabled |
| ? QPalette::Normal : QPalette::Disabled; |
| if (cg == QPalette::Normal && !(opt.state & QStyle::State_Active)) |
| cg = QPalette::Inactive; |
| |
| auto dir = index.data(static_cast<int>(Media::TextRecording::Role::Direction)) |
| .value<Media::Media::Direction>() == Media::Media::Direction::IN |
| ? Qt::AlignLeft : Qt::AlignRight; |
| |
| formatMsg(index, msg); |
| |
| QRect textRect = getBoundingRect(dir, msg, opt); |
| QRect bubbleRect(textRect.left() - bubblePadding_, |
| textRect.top() - bubblePadding_, |
| textRect.width() + bubblePadding_, |
| textRect.height() + bubblePadding_); |
| bubbleRect.setBottom(bubbleRect.bottom() + bubblePadding_); |
| bubbleRect.setRight(bubbleRect.right() + bubblePadding_); |
| opt.decorationSize = iconSize_; |
| opt.decorationPosition = (dir == Qt::AlignRight ? QStyleOptionViewItem::Right : QStyleOptionViewItem::Left); |
| opt.decorationAlignment = Qt::AlignTop | Qt::AlignHCenter; |
| style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget); |
| |
| painter->save(); |
| QPen pen(blue, padding_); |
| if (dir == Qt::AlignRight) |
| pen.setColor(grey); |
| QPainterPath path; |
| path.addRoundedRect(bubbleRect, padding_, padding_); |
| painter->setPen(pen); |
| painter->fillPath(path, pen.color()); |
| painter->drawPath(path); |
| painter->restore(); |
| |
| painter->drawText(textRect, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, msg); |
| } |
| } |
| |
| QRect ImDelegate::getBoundingRect(const Qt::AlignmentFlag& dir, const QString& msg, const QStyleOptionViewItem &option) const |
| { |
| QFont textFont = option.font; |
| QFontMetrics textFontMetrics(textFont); |
| QRect textRect; |
| |
| if (dir == Qt::AlignRight) { |
| textRect = textFontMetrics.boundingRect(option.rect.left(), |
| option.rect.top() + padding_, |
| option.rect.width() - iconSize_.width() - 2 * padding_, |
| 0, |
| dir|Qt::AlignTop|Qt::TextWordWrap, |
| msg); |
| } else { |
| textRect = textFontMetrics.boundingRect(option.rect.left() + iconSize_.width() + 2 * padding_, |
| option.rect.top() + padding_, |
| option.rect.width() - iconSize_.width(), |
| 0, |
| dir|Qt::AlignTop|Qt::TextWordWrap, |
| msg); |
| } |
| return textRect; |
| } |
| |
| QSize |
| ImDelegate::sizeHint(const QStyleOptionViewItem& option, |
| const QModelIndex& index) const |
| { |
| QString msg = index.data(Qt::DisplayRole).toString(); |
| |
| auto dir = index.data( |
| static_cast<int>(Media::TextRecording::Role::Direction)) |
| .value<Media::Media::Direction>() == Media::Media::Direction::IN |
| ? Qt::AlignLeft : Qt::AlignRight; |
| |
| formatMsg(index, msg); |
| |
| QRect subheaderRect = getBoundingRect(dir, msg, option); |
| |
| QSize size(option.rect.width(), subheaderRect.height() + 3 * padding_); |
| |
| /* Keep the minimum height needed. */ |
| if(size.height() < iconSize_.height()) |
| size.setHeight(iconSize_.height() + 3 * padding_); |
| |
| return size; |
| } |
| |