src/search/chip.cpp

   1 /*
   2     SPDX-FileCopyrightText: 2025 Felix Ernst <felixernst@kde.org>
   3
   4     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
   5 */
   6
   7 #include "chip.h"
   8
   9 #include <KColorUtils>
  10 #include <KLocalizedString>
  11 #include <QPaintEvent>
  12 #include <QStylePainter>
  13 #include <QToolButton>
  14
  15 using namespace Search;
  16
  17 ChipBase::ChipBase(std::shared_ptr<const DolphinQuery> dolphinQuery, QWidget *parent)
  18     : QWidget{parent}
  19     , UpdatableStateInterface{dolphinQuery}
  20 {
  21     m_removeButton = new QToolButton{this};
  22     m_removeButton->setText(i18nc("@action:button", "Remove Filter"));
  23     m_removeButton->setIcon(QIcon::fromTheme("list-remove"));
  24     m_removeButton->setToolButtonStyle(Qt::ToolButtonIconOnly);
  25     m_removeButton->setAutoRaise(true);
  26
  27     auto layout = new QHBoxLayout{this};
  28     layout->setContentsMargins(0, 0, 0, 0);
  29     layout->setSpacing(0);
  30 }
  31
  32 void ChipBase::paintEvent(QPaintEvent *event)
  33 {
  34     QStylePainter painter(this);
  35     painter.setRenderHint(QPainter::Antialiasing);
  36     QColor penColor = KColorUtils::mix(palette().base().color(), palette().text().color(), 0.3);
  37     // QPainter is bad at drawing lines that are exactly 1px.
  38     // Using QPen::setCosmetic(true) with a 1px pen width
  39     // doesn't look quite as good as just using 1.001px.
  40     qreal penWidth = 1.001;
  41     qreal penMargin = penWidth / 2;
  42     QPen pen(penColor, penWidth);
  43     pen.setCosmetic(true);
  44     QRectF rect = event->rect();
  45     rect.adjust(penMargin, penMargin, -penMargin, -penMargin);
  46     painter.setBrush(palette().base());
  47     painter.setPen(pen);
  48     painter.drawRoundedRect(rect, 5, 5); // 5 is the current default Breeze corner radius
  49     QWidget::paintEvent(event);
  50 }
  51
  52 #include "moc_chip.cpp"