colors/editor/setpreviewwidget.cpp

0001 /* Preview widget for KDE Display color scheme setup module
0002     SPDX-FileCopyrightText: 2007 Matthew Woehlke <mw_triad@users.sourceforge.net>
0003     SPDX-FileCopyrightText: 2007 Urs Wolfer <uwolfer@kde.org>
0004
0005     SPDX-License-Identifier: GPL-2.0-or-later
0006 */
0007
0008 #include "setpreviewwidget.h"
0009
0010 void setAutoFill(QWidget *widget)
0011 {
0012     widget->setAutoFillBackground(true);
0013     widget->setBackgroundRole(QPalette::Base);
0014 }
0015
0016 SetPreviewWidget::SetPreviewWidget(QWidget *parent)
0017     : QFrame(parent)
0018 {
0019     setupUi(this);
0020
0021     // set correct colors on... lots of things
0022     setAutoFillBackground(true);
0023     setBackgroundRole(QPalette::Base);
0024     setAutoFill(widgetBack0);
0025     setAutoFill(widgetBack1);
0026     setAutoFill(widgetBack2);
0027     setAutoFill(widgetBack3);
0028     setAutoFill(widgetBack4);
0029     setAutoFill(widgetBack5);
0030     setAutoFill(widgetBack6);
0031     setAutoFill(widgetBack7);
0032     setAutoFillBackground(true);
0033     /*
0034         frame->setBackgroundRole(QPalette::Base);
0035         viewWidget->setBackgroundRole(QPalette::Base);
0036         labelView0->setBackgroundRole(QPalette::Base);
0037         labelView3->setBackgroundRole(QPalette::Base);
0038         labelView4->setBackgroundRole(QPalette::Base);
0039         labelView2->setBackgroundRole(QPalette::Base);
0040         labelView1->setBackgroundRole(QPalette::Base);
0041         labelView5->setBackgroundRole(QPalette::Base);
0042         labelView6->setBackgroundRole(QPalette::Base);
0043         labelView7->setBackgroundRole(QPalette::Base);
0044         selectionWidget->setBackgroundRole(QPalette::Highlight);
0045         labelSelection0->setBackgroundRole(QPalette::Highlight);
0046         labelSelection3->setBackgroundRole(QPalette::Highlight);
0047         labelSelection4->setBackgroundRole(QPalette::Highlight);
0048         labelSelection2->setBackgroundRole(QPalette::Highlight);
0049         labelSelection1->setBackgroundRole(QPalette::Highlight);
0050         labelSelection5->setBackgroundRole(QPalette::Highlight);
0051         labelSelection6->setBackgroundRole(QPalette::Highlight);
0052         labelSelection7->setBackgroundRole(QPalette::Highlight);
0053     */
0054
0055     const QList<QWidget *> widgets = findChildren<QWidget *>();
0056     for (QWidget *widget : widgets) {
0057         widget->installEventFilter(this);
0058         widget->setFocusPolicy(Qt::NoFocus);
0059     }
0060 }
0061
0062 SetPreviewWidget::~SetPreviewWidget()
0063 {
0064 }
0065
0066 bool SetPreviewWidget::eventFilter(QObject *, QEvent *ev)
0067 {
0068     switch (ev->type()) {
0069     case QEvent::MouseButtonPress:
0070     case QEvent::MouseButtonRelease:
0071     case QEvent::MouseButtonDblClick:
0072     case QEvent::MouseMove:
0073     case QEvent::KeyPress:
0074     case QEvent::KeyRelease:
0075     case QEvent::Enter:
0076     case QEvent::Leave:
0077     case QEvent::Wheel:
0078     case QEvent::ContextMenu:
0079         return true; // ignore
0080     default:
0081         break;
0082     }
0083     return false;
0084 }
0085
0086 void SetPreviewWidget::setPalette(const KSharedConfigPtr &config, KColorScheme::ColorSet set)
0087 {
0088     QPalette palette = KColorScheme::createApplicationPalette(config);
0089     KColorScheme::adjustBackground(palette, KColorScheme::NormalBackground, QPalette::Base, set, config);
0090     QFrame::setPalette(palette);
0091
0092 #define SET_ROLE_PALETTE(n, f, b)                                                                                                                              \
0093     KColorScheme::adjustForeground(palette, KColorScheme::f, QPalette::Text, set, config);                                                                     \
0094     labelFore##n->setPalette(palette);                                                                                                                         \
0095     KColorScheme::adjustBackground(palette, KColorScheme::b, QPalette::Base, set, config);                                                                     \
0096     labelBack##n->setPalette(palette);                                                                                                                         \
0097     widgetBack##n->setPalette(palette);
0098
0099     SET_ROLE_PALETTE(0, NormalText, NormalBackground);
0100     SET_ROLE_PALETTE(1, InactiveText, AlternateBackground);
0101     SET_ROLE_PALETTE(2, ActiveText, ActiveBackground);
0102     SET_ROLE_PALETTE(3, LinkText, LinkBackground);
0103     SET_ROLE_PALETTE(4, VisitedText, VisitedBackground);
0104     SET_ROLE_PALETTE(5, NegativeText, NegativeBackground);
0105     SET_ROLE_PALETTE(6, NeutralText, NeutralBackground);
0106     SET_ROLE_PALETTE(7, PositiveText, PositiveBackground);
0107
0108     KColorScheme kcs(QPalette::Active, set, config);
0109     QBrush deco;
0110
0111 #define SET_DECO_PALETTE(n, d)                                                                                                                                 \
0112     deco = kcs.decoration(KColorScheme::d);                                                                                                                    \
0113     palette.setBrush(QPalette::Text, deco);                                                                                                                    \
0114     labelFore##n->setPalette(palette);
0115
0116     SET_DECO_PALETTE(8, HoverColor);
0117     SET_DECO_PALETTE(9, FocusColor);
0118 }