109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Style override class.
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*
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*
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*
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* Authors: Teemu Korhonen
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*
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* Copyright 2022 Teemu Korhonen
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*/
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#include "qt_styleoverride.hpp"
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#include <QComboBox>
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#include <QAbstractItemView>
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#include <QPixmap>
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#include <QIcon>
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#include <QStyleOption>
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#ifdef Q_OS_WINDOWS
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#include <dwmapi.h>
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#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
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#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
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#endif
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#endif
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int
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StyleOverride::styleHint(
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StyleHint hint,
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const QStyleOption *option,
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const QWidget *widget,
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QStyleHintReturn *returnData) const
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{
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/* Disable using menu with alt key */
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if (hint == QStyle::SH_MenuBar_AltKeyNavigation)
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return 0;
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return QProxyStyle::styleHint(hint, option, widget, returnData);
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}
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void
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StyleOverride::polish(QWidget *widget)
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{
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QProxyStyle::polish(widget);
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/* Disable title bar context help buttons globally as they are unused. */
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if (widget->isWindow()) {
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if (widget->layout() && widget->minimumSize() == widget->maximumSize()) {
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if (widget->minimumSize().width() < widget->minimumSizeHint().width()
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|| widget->minimumSize().height() < widget->minimumSizeHint().height()) {
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widget->setFixedSize(QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
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widget->layout()->setSizeConstraint(QLayout::SetFixedSize);
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}
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widget->setWindowFlag(Qt::MSWindowsFixedSizeDialogHint, true);
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}
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widget->setWindowFlag(Qt::WindowContextHelpButtonHint, false);
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#ifdef Q_OS_WINDOWS
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extern bool windows_is_light_theme();
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BOOL DarkMode = !windows_is_light_theme();
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DwmSetWindowAttribute((HWND)widget->winId(), DWMWA_USE_IMMERSIVE_DARK_MODE, (LPCVOID)&DarkMode, sizeof(DarkMode));
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#endif
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}
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if (qobject_cast<QComboBox *>(widget)) {
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qobject_cast<QComboBox *>(widget)->view()->setMinimumWidth(widget->minimumSizeHint().width());
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}
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}
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QPixmap
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StyleOverride::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, const QStyleOption *option) const
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{
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if (iconMode != QIcon::Disabled) {
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return QProxyStyle::generatedIconPixmap(iconMode, pixmap, option);
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}
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auto image = pixmap.toImage();
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for (int y = 0; y < image.height(); y++) {
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for (int x = 0; x < image.width(); x++) {
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// checkerboard transparency
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if (((x ^ y) & 1) == 0) {
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image.setPixelColor(x, y, Qt::transparent);
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continue;
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}
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auto color = image.pixelColor(x, y);
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// convert to grayscale using the NTSC formula
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auto avg = 0.0;
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avg += color.blueF() * 0.114;
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avg += color.greenF() * 0.587;
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avg += color.redF() * 0.299;
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color.setRedF(avg);
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color.setGreenF(avg);
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color.setBlueF(avg);
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image.setPixelColor(x, y, color);
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}
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}
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return QPixmap::fromImage(image);
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}
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