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- #include "obs-proxy-style.hpp"
- #include <QStyleOptionButton>
- static inline uint qt_intensity(uint r, uint g, uint b)
- {
- /* 30% red, 59% green, 11% blue */
- return (77 * r + 150 * g + 28 * b) / 255;
- }
- /* The constants in the default QT styles don't dim the icons enough in
- * disabled mode
- *
- * https://code.woboq.org/qt5/qtbase/src/widgets/styles/qcommonstyle.cpp.html#6429
- */
- QPixmap OBSContextBarProxyStyle::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap,
- const QStyleOption *option) const
- {
- if (iconMode == QIcon::Disabled) {
- QImage im = pixmap.toImage().convertToFormat(QImage::Format_ARGB32);
- /* Create a colortable based on the background
- * (black -> bg -> white) */
- QColor bg = option->palette.color(QPalette::Disabled, QPalette::Window);
- int red = bg.red();
- int green = bg.green();
- int blue = bg.blue();
- uchar reds[256], greens[256], blues[256];
- for (int i = 0; i < 128; ++i) {
- reds[i] = uchar((red * (i << 1)) >> 8);
- greens[i] = uchar((green * (i << 1)) >> 8);
- blues[i] = uchar((blue * (i << 1)) >> 8);
- }
- for (int i = 0; i < 128; ++i) {
- reds[i + 128] = uchar(qMin(red + (i << 1), 255));
- greens[i + 128] = uchar(qMin(green + (i << 1), 255));
- blues[i + 128] = uchar(qMin(blue + (i << 1), 255));
- }
- /* High intensity colors needs dark shifting in the color
- * table, while low intensity colors needs light shifting. This
- * is to increase the perceived contrast. */
- int intensity = qt_intensity(red, green, blue);
- const int factor = 191;
- if ((red - factor > green && red - factor > blue) || (green - factor > red && green - factor > blue) ||
- (blue - factor > red && blue - factor > green))
- qMin(255, intensity + 20);
- else if (intensity <= 128)
- intensity += 100;
- for (int y = 0; y < im.height(); ++y) {
- QRgb *scanLine = (QRgb *)im.scanLine(y);
- for (int x = 0; x < im.width(); ++x) {
- QRgb pixel = *scanLine;
- /* Calculate color table index, taking
- * intensity adjustment and a magic offset into
- * account. */
- uint ci = uint(qGray(pixel) / 3 + (130 - intensity / 3));
- *scanLine = qRgba(reds[ci], greens[ci], blues[ci], qAlpha(pixel));
- ++scanLine;
- }
- }
- return QPixmap::fromImage(im);
- }
- return QProxyStyle::generatedIconPixmap(iconMode, pixmap, option);
- }
- int OBSProxyStyle::styleHint(StyleHint hint, const QStyleOption *option, const QWidget *widget,
- QStyleHintReturn *returnData) const
- {
- if (hint == SH_ComboBox_AllowWheelScrolling)
- return 0;
- #ifdef __APPLE__
- if (hint == SH_ComboBox_UseNativePopup)
- return 1;
- #endif
- return QProxyStyle::styleHint(hint, option, widget, returnData);
- }
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