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Merge pull request #979 from Kellermorph/colour-programm
Linux build and tests / Build and test (Qt 6, Debug) (push) Failing after 1m48s
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Add custom application color picker in global settings
This commit is contained in:
Laurent Trinques
2026-09-22 13:49:42 +02:00
committed by GitHub
parent e01f46c5b0 5d033bf1b2
commit 1212f48c6d
6 changed files with 148 additions and 11 deletions
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sources/qetapp.cpp
+82 -1
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@@ -1816,6 +1816,81 @@ void QETApp::useSystemPalette(bool use) {
QET::Palette::refreshStyleSheets();
}
/**
@brief QETApp::useCustomPalette
Apply a user-chosen color as the application-wide palette.
Builds a full QPalette from \a color, keeping the system palette
as a fallback for roles we don't touch.
@param color the user-chosen base color
*/
void QETApp::useCustomPalette(const QColor &color) {
if (!color.isValid())
return;
// Derive readable text colors from the chosen color.
const bool dark = color.lightness() < 128;
const QColor text = dark ? QColor(220, 220, 220) : QColor(30, 30, 30);
const QColor disabled_text = dark ? QColor(175, 175, 175) : QColor(128, 128, 128);
// Slightly lighter/darker for button and window shading.
QColor button = color;
button = QColor::fromHslF(color.hslHueF(),
color.hslSaturationF(),
dark ? qMin(color.lightnessF() + 0.08, 1.0)
: qMax(color.lightnessF() - 0.08, 0.0));
QColor light = QColor::fromHslF(color.hslHueF(),
color.hslSaturationF(),
dark ? qMin(color.lightnessF() + 0.15, 1.0)
: qMax(color.lightnessF() - 0.15, 0.0));
QColor mid = QColor::fromHslF(color.hslHueF(),
color.hslSaturationF(),
dark ? qMin(color.lightnessF() + 0.04, 1.0)
: qMax(color.lightnessF() - 0.04, 0.0));
QColor dark_c = QColor::fromHslF(color.hslHueF(),
color.hslSaturationF(),
dark ? qMin(color.lightnessF() - 0.04, 1.0)
: qMax(color.lightnessF() - 0.12, 0.0));
QColor shadow = QColor::fromHslF(color.hslHueF(),
color.hslSaturationF(),
dark ? qMin(color.lightnessF() - 0.10, 1.0)
: qMax(color.lightnessF() - 0.20, 0.0));
QPalette p;
// Active and Inactive get the same colors; only Disabled differs.
for (auto group : {QPalette::Active, QPalette::Inactive}) {
p.setColor(group, QPalette::Window, color);
p.setColor(group, QPalette::WindowText, text);
p.setColor(group, QPalette::Base, color);
p.setColor(group, QPalette::AlternateBase, button);
p.setColor(group, QPalette::Text, text);
p.setColor(group, QPalette::Button, button);
p.setColor(group, QPalette::ButtonText, text);
p.setColor(group, QPalette::BrightText, dark ? QColor(255,90,90) : Qt::white);
p.setColor(group, QPalette::Highlight, QColor(30, 96, 176));
p.setColor(group, QPalette::HighlightedText, Qt::white);
p.setColor(group, QPalette::ToolTipBase, button);
p.setColor(group, QPalette::ToolTipText, text);
p.setColor(group, QPalette::Light, light);
p.setColor(group, QPalette::Midlight, mid);
p.setColor(group, QPalette::Mid, mid);
p.setColor(group, QPalette::Dark, dark_c);
p.setColor(group, QPalette::Shadow, shadow);
#if QT_VERSION >= QT_VERSION_CHECK(6, 6, 0)
p.setColor(group, QPalette::Accent, QColor(30, 96, 176));
#endif
}
p.setColor(QPalette::Disabled, QPalette::WindowText, disabled_text);
p.setColor(QPalette::Disabled, QPalette::Text, disabled_text);
p.setColor(QPalette::Disabled, QPalette::ButtonText, disabled_text);
qApp->setPalette(p);
qApp->setStyleSheet(QString());
// Switch icon theme to match light/dark.
applyIconTheme(p);
QET::Palette::refreshStyleSheets();
}
/**
@brief QETApp::quitQET
Request the closing of all windows;
@@ -2404,7 +2479,13 @@ void QETApp::initStyle()
//Apply or not the system style
QSettings settings;
useSystemPalette(settings.value("usesystemcolors", true).toBool());
if (settings.value("usesystemcolors", true).toBool()) {
useSystemPalette(true);
} else if (settings.contains("customapplicationcolor")) {
useCustomPalette(QColor(settings.value("customapplicationcolor").toString()));
} else {
useSystemPalette(false);
}
#if defined(Q_OS_MACOS) && QT_VERSION >= QT_VERSION_CHECK(6, 5, 0)
// Setting an application palette stops Qt from following the OS