src/admin/bar.cpp

   1 /*
   2     This file is part of the KDE project
   3     SPDX-FileCopyrightText: 2024 Felix Ernst <felixernst@kde.org>
   4
   5     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
   6 */
   7
   8 #include "bar.h"
   9
  10 #include "workerintegration.h"
  11
  12 #include <KColorScheme>
  13 #include <KContextualHelpButton>
  14 #include <KLocalizedString>
  15
  16 #include <QEvent>
  17 #include <QGuiApplication>
  18 #include <QHBoxLayout>
  19 #include <QLabel>
  20 #include <QPushButton>
  21 #include <QStyle>
  22 #include <QToolButton>
  23 #include <QWidgetAction>
  24
  25 using namespace Admin;
  26
  27 Bar::Bar(QWidget *parent)
  28     : AnimatedHeightWidget{parent}
  29 {
  30     setAutoFillBackground(true);
  31     updateColors();
  32
  33     QWidget *contenntsContainer = prepareContentsContainer();
  34
  35     m_fullLabelString = i18nc("@info label above the view explaining the state", "Acting as an Administrator – Be careful!");
  36     m_shortLabelString = i18nc("@info label above the view explaining the state, keep short", "Acting as Admin");
  37     m_label = new QLabel(contenntsContainer);
  38     m_label->setMinimumWidth(0);
  39     m_label->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard | Qt::LinksAccessibleByKeyboard); // for keyboard accessibility
  40
  41     m_warningButton = new KContextualHelpButton(warningMessage(), nullptr, contenntsContainer);
  42     m_warningButton->setIcon(QIcon::fromTheme(QStringLiteral("emblem-warning")));
  43
  44     m_closeButton = new QPushButton(QIcon::fromTheme(QStringLiteral("window-close-symbolic")), "", contenntsContainer);
  45     m_closeButton->setToolTip(i18nc("@action:button", "Stop Acting as an Administrator"));
  46     m_closeButton->setFlat(true);
  47     connect(m_closeButton, &QAbstractButton::clicked, this, &Bar::activated); // Make sure the view connected to this bar is active before exiting admin mode.
  48     connect(m_closeButton, &QAbstractButton::clicked, this, &WorkerIntegration::exitAdminMode);
  49
  50     QHBoxLayout *layout = new QHBoxLayout(contenntsContainer);
  51     auto contentsMargins = layout->contentsMargins();
  52     m_preferredHeight = contentsMargins.top() + m_label->sizeHint().height() + contentsMargins.bottom();
  53     m_warningButton->setFixedHeight(m_preferredHeight);
  54     m_closeButton->setFixedHeight(m_preferredHeight);
  55     layout->setContentsMargins(0, 0, 0, 0);
  56
  57     layout->addStretch();
  58     layout->addWidget(m_label);
  59     layout->addWidget(m_warningButton);
  60     layout->addStretch();
  61     layout->addWidget(m_closeButton);
  62 }
  63
  64 bool Bar::event(QEvent *event)
  65 {
  66     if (event->type() == QEvent::PaletteChange) {
  67         updateColors();
  68     }
  69     return AnimatedHeightWidget::event(event);
  70 }
  71
  72 void Bar::resizeEvent(QResizeEvent *resizeEvent)
  73 {
  74     updateLabelString();
  75     return QWidget::resizeEvent(resizeEvent);
  76 }
  77
  78 void Bar::updateColors()
  79 {
  80     QPalette palette = parentWidget()->palette();
  81     KColorScheme colorScheme{QPalette::Normal, KColorScheme::ColorSet::Window};
  82     colorScheme.adjustBackground(palette, KColorScheme::NegativeBackground, QPalette::Window, KColorScheme::ColorSet::Window);
  83     colorScheme.adjustForeground(palette, KColorScheme::NegativeText, QPalette::WindowText, KColorScheme::ColorSet::Window);
  84     setPalette(palette);
  85 }
  86
  87 void Bar::updateLabelString()
  88 {
  89     QFontMetrics fontMetrics = m_label->fontMetrics();
  90     if (fontMetrics.horizontalAdvance(m_fullLabelString) + m_warningButton->sizeHint().width() + m_closeButton->sizeHint().width()
  91             + style()->pixelMetric(QStyle::PM_LayoutLeftMargin) * 2 + style()->pixelMetric(QStyle::PM_LayoutRightMargin) * 2
  92         < width()) {
  93         m_label->setText(m_fullLabelString);
  94     } else {
  95         m_label->setText(m_shortLabelString);
  96     }
  97 }
  98
  99 #include "moc_bar.cpp"