148 lines
4.8 KiB
C++
148 lines
4.8 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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* Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <memory>
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#include <QtGlobal>
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#include <QObject>
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#include <QWidget>
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#include <QTimer>
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#include <QIODevice>
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#include <QTextStream>
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#include <QFile>
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#include <QString>
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#include <QColor>
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#include <QPalette>
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#include <QEvent>
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#include "shared_ptr.h"
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#include "core/logging.h"
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#include "stylesheetloader.h"
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using std::make_shared;
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StyleSheetLoader::StyleSheetLoader(QObject *parent) : QObject(parent) {}
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void StyleSheetLoader::SetStyleSheet(QWidget *widget, const QString &filename) {
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// Load the file
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QFile file(filename);
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if (!file.open(QIODevice::ReadOnly)) {
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qLog(Error) << "Could not open stylesheet file" << filename << "for reading:" << file.errorString();
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return;
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}
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QTextStream stream(&file);
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QString stylesheet;
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forever {
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QString line = stream.readLine();
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stylesheet.append(line);
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if (stream.atEnd()) break;
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}
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file.close();
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SharedPtr<StyleSheetData> styledata = make_shared<StyleSheetData>();
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styledata->filename_ = filename;
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styledata->stylesheet_template_ = stylesheet;
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styledata->stylesheet_current_ = widget->styleSheet();
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styledata_.insert(widget, styledata);
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widget->installEventFilter(this);
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UpdateStyleSheet(widget, styledata);
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}
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void StyleSheetLoader::UpdateStyleSheet(QWidget *widget, SharedPtr<StyleSheetData> styledata) {
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QString stylesheet = styledata->stylesheet_template_;
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// Replace %palette-role with actual colours
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QPalette p(widget->palette());
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{
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QColor alt = p.color(QPalette::AlternateBase);
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#ifdef Q_OS_MACOS
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if (alt.lightness() > 180) {
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alt.setAlpha(130);
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}
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else {
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alt.setAlpha(16);
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}
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#else
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alt.setAlpha(130);
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#endif
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stylesheet.replace("%palette-alternate-base", QString("rgba(%1,%2,%3,%4)").arg(alt.red()).arg(alt.green()).arg(alt.blue()).arg(alt.alpha()));
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}
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ReplaceColor(&stylesheet, "Window", p, QPalette::Window);
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ReplaceColor(&stylesheet, "Background", p, QPalette::Window);
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ReplaceColor(&stylesheet, "WindowText", p, QPalette::WindowText);
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ReplaceColor(&stylesheet, "Base", p, QPalette::Base);
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ReplaceColor(&stylesheet, "AlternateBase", p, QPalette::AlternateBase);
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ReplaceColor(&stylesheet, "ToolTipBase", p, QPalette::ToolTipBase);
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ReplaceColor(&stylesheet, "ToolTipText", p, QPalette::ToolTipText);
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ReplaceColor(&stylesheet, "Text", p, QPalette::Text);
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ReplaceColor(&stylesheet, "Button", p, QPalette::Button);
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ReplaceColor(&stylesheet, "ButtonText", p, QPalette::ButtonText);
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ReplaceColor(&stylesheet, "BrightText", p, QPalette::BrightText);
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ReplaceColor(&stylesheet, "Light", p, QPalette::Light);
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ReplaceColor(&stylesheet, "Midlight", p, QPalette::Midlight);
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ReplaceColor(&stylesheet, "Dark", p, QPalette::Dark);
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ReplaceColor(&stylesheet, "Mid", p, QPalette::Mid);
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ReplaceColor(&stylesheet, "Shadow", p, QPalette::Shadow);
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ReplaceColor(&stylesheet, "Highlight", p, QPalette::Highlight);
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ReplaceColor(&stylesheet, "HighlightedText", p, QPalette::HighlightedText);
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ReplaceColor(&stylesheet, "Link", p, QPalette::Link);
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ReplaceColor(&stylesheet, "LinkVisited", p, QPalette::LinkVisited);
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#ifdef Q_OS_MACOS
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stylesheet.replace("macos", "*");
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#endif
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if (stylesheet != styledata->stylesheet_current_) {
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styledata->stylesheet_current_ = stylesheet;
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widget->setStyleSheet(stylesheet);
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}
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}
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void StyleSheetLoader::ReplaceColor(QString *css, const QString &name, const QPalette &palette, const QPalette::ColorRole role) {
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css->replace("%palette-" + name + "-lighter", palette.color(role).lighter().name(), Qt::CaseInsensitive);
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css->replace("%palette-" + name + "-darker", palette.color(role).darker().name(), Qt::CaseInsensitive);
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css->replace("%palette-" + name, palette.color(role).name(), Qt::CaseInsensitive);
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}
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bool StyleSheetLoader::eventFilter(QObject *obj, QEvent *event) {
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if (event->type() == QEvent::PaletteChange) {
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QWidget *widget = qobject_cast<QWidget*>(obj);
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if (widget && styledata_.contains(widget)) {
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UpdateStyleSheet(widget, styledata_[widget]);
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}
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}
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return false;
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}
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