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/*
* Copyright (c) 2010-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swift/QtUI/Roster/GroupItemDelegate.h>
#include <QPainter>
#include <QPen>
#include <QtDebug>
namespace Swift {
GroupItemDelegate::GroupItemDelegate() : groupFont_(QApplication::font()) {
groupFont_.setPointSize(common_.nameFont.pointSize() - common_.detailFontSizeDrop);
groupFont_.setWeight(QFont::Bold);
}
QSize GroupItemDelegate::sizeHint(const QStyleOptionViewItem& /*option*/, const QModelIndex& /*index*/) const {
QFontMetrics groupMetrics(groupFont_);
return QSize(150, groupMetrics.height() + common_.verticalMargin + 2);
}
void GroupItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QString& name, int rowCount, bool expanded) const {
painter->save();
painter->setPen(QPen(QColor(189, 189, 189)));
//FIXME: It looks like Qt is passing us a rectangle that's too small
//This deliberately draws outside the lines, and we need to find a better solution.
int correctionAmount = groupCornerRadius_ > 0 ? 0 : 1;
QRect region(QPoint(option.rect.left() - correctionAmount, option.rect.top()), QSize(option.rect.width() + correctionAmount, option.rect.height() - common_.verticalMargin));
QLinearGradient fillGradient(region.topLeft(), region.bottomLeft());
fillGradient.setColorAt(0, QColor(244, 244, 244));
fillGradient.setColorAt(0.1, QColor(231, 231, 231));
fillGradient.setColorAt(1, QColor(209, 209, 209));
QBrush backgroundBrush = QBrush(fillGradient);
QPainterPath fillPath;
fillPath.addRoundedRect(region, groupCornerRadius_, groupCornerRadius_);
QPainterPath linePath;
linePath.addRoundedRect(region, groupCornerRadius_, groupCornerRadius_);
painter->fillPath(fillPath, backgroundBrush);
painter->drawPath(linePath);
int triangleHorizontalOffset = 1;
int triangleWidth = 9;
int triangleHeight = 5;
paintExpansionTriangle(painter, region.adjusted(common_.horizontalMargin + triangleHorizontalOffset + 1, 0, 0, 0), triangleWidth, triangleHeight, expanded);
int textLeftOffset = 3 * common_.horizontalMargin + 1 + triangleWidth + triangleHorizontalOffset;
QFontMetrics fontMetrics(groupFont_);
int textTopOffset = (region.height() - fontMetrics.height()) / 2;
painter->setFont(groupFont_);
int contactCountWidth = 0;
QRect textRect = region.adjusted(textLeftOffset, textTopOffset, -1 * textLeftOffset, -1 * textTopOffset);
if (!expanded) {
QFontMetrics groupMetrics(groupFont_);
int contactCount = rowCount;
QString countString = QString("%1").arg(contactCount);
contactCountWidth = groupMetrics.width(countString) + 2 * common_.horizontalMargin;
int offsetAmount = textRect.width() - contactCountWidth + common_.horizontalMargin;
QRect countRect = textRect.adjusted(offsetAmount, 0, 0/*-1 * offsetAmount*/, 0);
paintShadowText(painter, countRect, countString);
}
QRect nameTextRect = expanded ? textRect : textRect.adjusted(0, 0, -contactCountWidth, 0);
QString elidedName = fontMetrics.elidedText(name, Qt::ElideRight, nameTextRect.width(), Qt::TextShowMnemonic);
paintShadowText(painter, nameTextRect, elidedName);
painter->restore();
}
void GroupItemDelegate::paintExpansionTriangle(QPainter* painter, const QRect& region, int width, int height, bool expanded) const {
// height is the height of the downward pointing triangle
QPolygonF triangle;
if (expanded) {
QPointF triangleTopLeft(region.left(), region.top() + region.height() / 2 - height / 2);
triangle << triangleTopLeft;
triangle << triangleTopLeft + QPointF(width, 0);
triangle << triangleTopLeft + QPointF(width / 2, height);
// The expanded triangle should be a little lower, because its pointy shape makes it feel
// as if it's too high.
triangle.translate(QPointF(0,1));
}
else {
QPointF triangleTopLeft(region.left() + ((width - height) / 2), region.top() + region.height() / 2 - width / 2);
triangle << triangleTopLeft;
triangle << triangleTopLeft + QPointF(height, width / 2);
triangle << triangleTopLeft + QPointF(0, width);
}
//qDebug() << "Painting triangle: " << triangle;
QPolygonF triangleShadow(triangle);
triangleShadow.translate(QPointF(0, -1));
QPainterPath trianglePath;
QPainterPath triangleShadowPath;
QBrush triangleBrush(QColor(110, 110, 110));
QBrush triangleShadowBrush(QColor(47, 47, 47));
trianglePath.addPolygon(triangle);
triangleShadowPath.addPolygon(triangleShadow);
painter->fillPath(triangleShadowPath, triangleShadowBrush);
painter->fillPath(trianglePath, triangleBrush);
}
void GroupItemDelegate::paintShadowText(QPainter* painter, const QRect& region, const QString& text) const {
painter->setPen(QPen(QColor(254, 254, 254)));
painter->drawText(region.adjusted(0, 1, 0, 0), Qt::AlignTop, text);
painter->setPen(QPen(QColor(115, 115, 115)));
painter->drawText(region, Qt::AlignTop, text);
}
const int GroupItemDelegate::groupCornerRadius_ = 0;
}
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Swift