468 lines
16 KiB
C++
468 lines
16 KiB
C++
#include "thememanager.h"
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#include <QGuiApplication>
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#include <QDir>
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#include <QFile>
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#include <QStandardPaths>
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#include <QFontDatabase>
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#include <QFileDialog>
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#include <KConfigGroup>
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#include <QDebug>
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ThemeManager::ThemeManager(QObject *parent)
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: QObject(parent)
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, m_mode("system")
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, m_fontSize(0)
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, m_closeToTray(false)
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, m_watcher(nullptr)
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{
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loadSettings();
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// Watch KDE global settings for system theme changes (via KConfigWatcher)
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auto config = KSharedConfig::openConfig("kdeglobals");
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m_configWatcher = KConfigWatcher::create(config);
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connect(m_configWatcher.data(), &KConfigWatcher::configChanged,
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this, [this](const KConfigGroup &group, const QByteArrayList &names) {
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Q_UNUSED(names);
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if (group.name() == "General" && m_mode == "system") {
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applyPalette();
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emit paletteChanged();
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}
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});
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applyPalette();
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applyFont();
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}
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QString ThemeManager::mode() const
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{
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return m_mode;
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}
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void ThemeManager::setMode(const QString &mode)
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{
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if (mode == m_mode)
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return;
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m_mode = mode;
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saveSettings();
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applyPalette();
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emit modeChanged();
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emit paletteChanged();
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}
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QStringList ThemeManager::availableSchemes() const
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{
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QStringList schemes;
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QStringList dirs = schemeDirs();
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for (const QString &dirPath : dirs) {
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QDir dir(dirPath);
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const auto entries = dir.entryInfoList({"*.colors"}, QDir::Files, QDir::Name);
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for (const auto &entry : entries) {
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if (!schemes.contains(entry.baseName()))
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schemes << entry.baseName();
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}
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}
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schemes.sort(Qt::CaseInsensitive);
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return schemes;
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}
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bool ThemeManager::isDark() const
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{
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QPalette pal = QGuiApplication::palette();
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// Use window background luminance to determine dark/light
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QColor bg = pal.color(QPalette::Window);
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qreal luminance = 0.2126 * bg.redF() + 0.7152 * bg.greenF() + 0.0722 * bg.blueF();
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return luminance < 0.5;
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}
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void ThemeManager::applyPalette()
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{
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QString path;
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if (m_mode == "system") {
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path = systemSchemePath();
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} else {
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// Mode is a scheme name (e.g. "BreezeLight", "BreezeDark",
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// "CatppuccinMochaMauve", etc.)
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path = schemePath(m_mode);
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}
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if (path.isEmpty() || !QFile::exists(path)) {
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// Fallback: don't override, let platform theme handle it
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return;
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}
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m_palette = paletteFromScheme(path);
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QGuiApplication::setPalette(m_palette);
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}
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bool ThemeManager::overriding() const
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{
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// Always provide colors (even in system mode) to fix FolderDialog
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return true;
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}
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QColor ThemeManager::windowColor() const { return m_palette.color(QPalette::Active, QPalette::Window); }
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QColor ThemeManager::windowTextColor() const { return m_palette.color(QPalette::Active, QPalette::WindowText); }
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QColor ThemeManager::baseColor() const { return m_palette.color(QPalette::Active, QPalette::Base); }
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QColor ThemeManager::alternateBaseColor() const { return m_palette.color(QPalette::Active, QPalette::AlternateBase); }
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QColor ThemeManager::textColor() const { return m_palette.color(QPalette::Active, QPalette::Text); }
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QColor ThemeManager::buttonColor() const { return m_palette.color(QPalette::Active, QPalette::Button); }
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QColor ThemeManager::buttonTextColor() const { return m_palette.color(QPalette::Active, QPalette::ButtonText); }
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QColor ThemeManager::highlightColor() const { return m_palette.color(QPalette::Active, QPalette::Highlight); }
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QColor ThemeManager::highlightedTextColor() const { return m_palette.color(QPalette::Active, QPalette::HighlightedText); }
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QColor ThemeManager::tooltipBaseColor() const { return m_palette.color(QPalette::Active, QPalette::ToolTipBase); }
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QColor ThemeManager::tooltipTextColor() const { return m_palette.color(QPalette::Active, QPalette::ToolTipText); }
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QColor ThemeManager::linkColor() const { return m_palette.color(QPalette::Active, QPalette::Link); }
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QColor ThemeManager::midColor() const { return m_palette.color(QPalette::Active, QPalette::Mid); }
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QColor ThemeManager::darkColor() const { return m_palette.color(QPalette::Active, QPalette::Dark); }
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QColor ThemeManager::lightColor() const { return m_palette.color(QPalette::Active, QPalette::Light); }
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QColor ThemeManager::shadowColor() const { return m_palette.color(QPalette::Active, QPalette::Shadow); }
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QColor ThemeManager::placeholderTextColor() const { return m_palette.color(QPalette::Active, QPalette::PlaceholderText); }
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QPalette ThemeManager::paletteFromScheme(const QString &path) const
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{
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QSettings scheme(path, QSettings::IniFormat);
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QPalette pal;
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// Read active/normal colors
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// Window
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scheme.beginGroup("Colors:Window");
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QColor windowBg = parseColor(scheme.value("BackgroundNormal"));
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QColor windowFg = parseColor(scheme.value("ForegroundNormal"));
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QColor windowInactive = parseColor(scheme.value("ForegroundInactive"));
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scheme.endGroup();
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// View
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scheme.beginGroup("Colors:View");
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QColor viewBg = parseColor(scheme.value("BackgroundNormal"));
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QColor viewAltBg = parseColor(scheme.value("BackgroundAlternate"));
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QColor viewFg = parseColor(scheme.value("ForegroundNormal"));
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QColor viewLink = parseColor(scheme.value("ForegroundLink"));
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QColor viewVisited = parseColor(scheme.value("ForegroundVisited"));
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QColor viewInactive = parseColor(scheme.value("ForegroundInactive"));
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scheme.endGroup();
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// Button
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scheme.beginGroup("Colors:Button");
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QColor buttonBg = parseColor(scheme.value("BackgroundNormal"));
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QColor buttonFg = parseColor(scheme.value("ForegroundNormal"));
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scheme.endGroup();
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// Selection
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scheme.beginGroup("Colors:Selection");
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QColor selBg = parseColor(scheme.value("BackgroundNormal"));
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QColor selFg = parseColor(scheme.value("ForegroundNormal"));
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scheme.endGroup();
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// Tooltip
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scheme.beginGroup("Colors:Tooltip");
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QColor tipBg = parseColor(scheme.value("BackgroundNormal"));
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QColor tipFg = parseColor(scheme.value("ForegroundNormal"));
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scheme.endGroup();
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// Compute mid/dark/light/shadow from window background
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QColor mid = QColor(
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(windowBg.red() + windowFg.red()) / 2,
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(windowBg.green() + windowFg.green()) / 2,
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(windowBg.blue() + windowFg.blue()) / 2
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);
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QColor dark = windowBg.darker(150);
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QColor light = windowBg.lighter(150);
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QColor shadow = windowBg.darker(200);
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QColor midlight = windowBg.lighter(125);
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// Apply to Active group
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pal.setColor(QPalette::Active, QPalette::Window, windowBg);
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pal.setColor(QPalette::Active, QPalette::WindowText, windowFg);
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pal.setColor(QPalette::Active, QPalette::Base, viewBg);
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pal.setColor(QPalette::Active, QPalette::AlternateBase, viewAltBg);
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pal.setColor(QPalette::Active, QPalette::Text, viewFg);
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pal.setColor(QPalette::Active, QPalette::Link, viewLink);
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pal.setColor(QPalette::Active, QPalette::LinkVisited, viewVisited);
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pal.setColor(QPalette::Active, QPalette::Button, buttonBg);
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pal.setColor(QPalette::Active, QPalette::ButtonText, buttonFg);
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pal.setColor(QPalette::Active, QPalette::Highlight, selBg);
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pal.setColor(QPalette::Active, QPalette::HighlightedText, selFg);
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pal.setColor(QPalette::Active, QPalette::ToolTipBase, tipBg);
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pal.setColor(QPalette::Active, QPalette::ToolTipText, tipFg);
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pal.setColor(QPalette::Active, QPalette::Mid, mid);
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pal.setColor(QPalette::Active, QPalette::Dark, dark);
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pal.setColor(QPalette::Active, QPalette::Light, light);
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pal.setColor(QPalette::Active, QPalette::Shadow, shadow);
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pal.setColor(QPalette::Active, QPalette::Midlight, midlight);
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pal.setColor(QPalette::Active, QPalette::PlaceholderText, viewInactive);
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pal.setColor(QPalette::Active, QPalette::BrightText, selFg);
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// Inactive group — same as active but with dimmed foreground
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pal.setColor(QPalette::Inactive, QPalette::Window, windowBg);
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pal.setColor(QPalette::Inactive, QPalette::WindowText, windowInactive);
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pal.setColor(QPalette::Inactive, QPalette::Base, viewBg);
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pal.setColor(QPalette::Inactive, QPalette::AlternateBase, viewAltBg);
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pal.setColor(QPalette::Inactive, QPalette::Text, viewFg);
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pal.setColor(QPalette::Inactive, QPalette::Link, viewLink);
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pal.setColor(QPalette::Inactive, QPalette::LinkVisited, viewVisited);
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pal.setColor(QPalette::Inactive, QPalette::Button, buttonBg);
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pal.setColor(QPalette::Inactive, QPalette::ButtonText, buttonFg);
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pal.setColor(QPalette::Inactive, QPalette::Highlight, selBg);
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pal.setColor(QPalette::Inactive, QPalette::HighlightedText, selFg);
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pal.setColor(QPalette::Inactive, QPalette::ToolTipBase, tipBg);
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pal.setColor(QPalette::Inactive, QPalette::ToolTipText, tipFg);
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pal.setColor(QPalette::Inactive, QPalette::Mid, mid);
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pal.setColor(QPalette::Inactive, QPalette::Dark, dark);
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pal.setColor(QPalette::Inactive, QPalette::Light, light);
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pal.setColor(QPalette::Inactive, QPalette::Shadow, shadow);
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pal.setColor(QPalette::Inactive, QPalette::Midlight, midlight);
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pal.setColor(QPalette::Inactive, QPalette::PlaceholderText, viewInactive);
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pal.setColor(QPalette::Inactive, QPalette::BrightText, selFg);
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// Disabled group — dimmed versions
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QColor disabledFg = windowInactive;
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pal.setColor(QPalette::Disabled, QPalette::Window, windowBg);
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pal.setColor(QPalette::Disabled, QPalette::WindowText, disabledFg);
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pal.setColor(QPalette::Disabled, QPalette::Base, viewBg);
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pal.setColor(QPalette::Disabled, QPalette::AlternateBase, viewAltBg);
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pal.setColor(QPalette::Disabled, QPalette::Text, disabledFg);
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pal.setColor(QPalette::Disabled, QPalette::Link, viewLink);
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pal.setColor(QPalette::Disabled, QPalette::LinkVisited, viewVisited);
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pal.setColor(QPalette::Disabled, QPalette::Button, buttonBg);
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pal.setColor(QPalette::Disabled, QPalette::ButtonText, disabledFg);
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pal.setColor(QPalette::Disabled, QPalette::Highlight, selBg);
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pal.setColor(QPalette::Disabled, QPalette::HighlightedText, selFg);
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pal.setColor(QPalette::Disabled, QPalette::ToolTipBase, tipBg);
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pal.setColor(QPalette::Disabled, QPalette::ToolTipText, tipFg);
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pal.setColor(QPalette::Disabled, QPalette::Mid, mid);
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pal.setColor(QPalette::Disabled, QPalette::Dark, dark);
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pal.setColor(QPalette::Disabled, QPalette::Light, light);
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pal.setColor(QPalette::Disabled, QPalette::Shadow, shadow);
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pal.setColor(QPalette::Disabled, QPalette::Midlight, midlight);
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pal.setColor(QPalette::Disabled, QPalette::PlaceholderText, disabledFg);
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pal.setColor(QPalette::Disabled, QPalette::BrightText, selFg);
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return pal;
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}
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QColor ThemeManager::parseColor(const QVariant &value) const
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{
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QStringList parts;
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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if (value.typeId() == QMetaType::QStringList) {
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#else
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if (value.type() == QVariant::StringList) {
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#endif
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parts = value.toStringList();
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} else {
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parts = value.toString().split(',');
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}
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if (parts.size() >= 3) {
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return QColor(parts[0].trimmed().toInt(),
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parts[1].trimmed().toInt(),
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parts[2].trimmed().toInt());
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}
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return QColor();
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}
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QString ThemeManager::systemSchemePath() const
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{
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// Read current scheme from kdeglobals via KConfig
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auto config = KSharedConfig::openConfig("kdeglobals");
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config->reparseConfiguration(); // Ensure fresh read
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KConfigGroup general(config, "General");
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QString schemeName = general.readEntry("ColorScheme", QString());
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if (!schemeName.isEmpty()) {
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QString path = schemePath(schemeName);
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if (QFile::exists(path))
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return path;
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}
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// Fallback to BreezeLight
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return schemePath("BreezeLight");
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}
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QString ThemeManager::schemePath(const QString &name) const
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{
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for (const QString &dir : schemeDirs()) {
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QString path = QString("%1/%2.colors").arg(dir, name);
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if (QFile::exists(path))
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return path;
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}
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// Fallback to system dir even if file doesn't exist
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return QString("%1/%2.colors").arg(SCHEMES_DIR, name);
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}
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QStringList ThemeManager::schemeDirs() const
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{
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QStringList dirs;
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// User dir first (higher priority)
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QString userDir = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation)
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+ "/color-schemes";
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if (QDir(userDir).exists())
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dirs << userDir;
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dirs << SCHEMES_DIR;
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return dirs;
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}
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// --- Font methods ---
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QString ThemeManager::fontFamily() const
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{
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return m_fontFamily;
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}
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void ThemeManager::setFontFamily(const QString &family)
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{
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if (family == m_fontFamily)
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return;
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m_fontFamily = family;
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saveSettings();
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applyFont();
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emit fontChanged();
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}
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int ThemeManager::fontSize() const
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{
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return m_fontSize;
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}
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void ThemeManager::setFontSize(int size)
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{
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if (size < 6) size = 6;
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if (size > 72) size = 72;
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if (size == m_fontSize)
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return;
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m_fontSize = size;
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saveSettings();
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applyFont();
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emit fontChanged();
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}
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QString ThemeManager::fontStyle() const
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{
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return m_fontStyle;
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}
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void ThemeManager::setFontStyle(const QString &style)
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{
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if (style == m_fontStyle)
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return;
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m_fontStyle = style;
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saveSettings();
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applyFont();
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emit fontChanged();
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}
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QStringList ThemeManager::availableFamilies() const
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{
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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return QFontDatabase::families();
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#else
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return QFontDatabase().families();
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#endif
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}
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QStringList ThemeManager::availableStyles() const
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{
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QString family = m_fontFamily.isEmpty()
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? QGuiApplication::font().family()
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: m_fontFamily;
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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return QFontDatabase::styles(family);
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#else
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return QFontDatabase().styles(family);
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#endif
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}
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// --- Close-to-tray ---
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bool ThemeManager::closeToTray() const
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{
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return m_closeToTray;
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}
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void ThemeManager::setCloseToTray(bool enabled)
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{
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if (enabled == m_closeToTray)
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return;
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m_closeToTray = enabled;
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saveSettings();
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emit closeToTrayChanged();
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}
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void ThemeManager::resetFont()
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{
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m_fontFamily.clear();
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m_fontSize = 0;
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m_fontStyle.clear();
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saveSettings();
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applyFont();
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emit fontChanged();
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}
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QString ThemeManager::chooseFolder(const QString &title, const QString &startDir)
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{
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QString dir = QFileDialog::getExistingDirectory(
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nullptr, title,
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startDir.isEmpty() ? QDir::homePath() : startDir,
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QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
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return dir;
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}
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void ThemeManager::applyFont()
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{
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QFont font;
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if (!m_fontFamily.isEmpty())
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font.setFamily(m_fontFamily);
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if (m_fontSize > 0)
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font.setPointSize(m_fontSize);
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if (!m_fontStyle.isEmpty()) {
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// Use QFontDatabase to resolve style string to weight + italic
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QString family = m_fontFamily.isEmpty() ? font.family() : m_fontFamily;
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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QFont styled = QFontDatabase::font(family, m_fontStyle,
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m_fontSize > 0 ? m_fontSize : font.pointSize());
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#else
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QFont styled = QFontDatabase().font(family, m_fontStyle,
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m_fontSize > 0 ? m_fontSize : font.pointSize());
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#endif
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font.setWeight(styled.weight());
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font.setItalic(styled.italic());
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}
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QGuiApplication::setFont(font);
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}
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void ThemeManager::loadSettings()
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{
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QString configDir = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
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QString configFile = configDir + "/theme.conf";
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if (QFile::exists(configFile)) {
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QSettings settings(configFile, QSettings::IniFormat);
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m_mode = settings.value("General/mode", "system").toString();
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m_fontFamily = settings.value("Font/family", "").toString();
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m_fontSize = settings.value("Font/size", 0).toInt();
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m_fontStyle = settings.value("Font/style", "").toString();
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m_closeToTray = settings.value("General/closeToTray", false).toBool();
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}
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}
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void ThemeManager::saveSettings()
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{
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QString configDir = QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
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QDir().mkpath(configDir);
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QString configFile = configDir + "/theme.conf";
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QSettings settings(configFile, QSettings::IniFormat);
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settings.setValue("General/mode", m_mode);
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settings.setValue("Font/family", m_fontFamily);
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settings.setValue("Font/size", m_fontSize);
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settings.setValue("Font/style", m_fontStyle);
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settings.setValue("General/closeToTray", m_closeToTray);
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}
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