mirror of
https://github.com/AyuGram/AyuGramDesktop.git
synced 2026-08-06 11:52:58 +00:00
John Preston
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "dialogs/ui/dialogs_pill.h"
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#include "ui/painter.h"
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#include "styles/style_dialogs.h"
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namespace Dialogs {
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void PaintPillOutline(QPainter &p, const QRect &pill, int radius) {
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if (pill.isEmpty()) {
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return;
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}
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auto hq = PainterHighQualityEnabler(p);
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const auto light = (st::dialogsBg->c.lightness() >= 128);
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const auto width = light ? (0.6 * st::lineWidth) : double(st::lineWidth);
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if (light) {
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p.setPen(QPen(QColor(0, 0, 0, 20), width));
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} else {
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auto grad = QLinearGradient(0, pill.top(), 0, pill.bottom());
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grad.setColorAt(0., QColor(255, 255, 255, 40));
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grad.setColorAt(0.5, QColor(255, 255, 255, 0));
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grad.setColorAt(1., QColor(255, 255, 255, 20));
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p.setPen(QPen(QBrush(grad), width));
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}
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p.setBrush(Qt::NoBrush);
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const auto half = 0.5 * width;
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const auto stroke = light
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? QRectF(pill).marginsAdded(QMarginsF(half, half, half, half))
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: QRectF(pill).adjusted(half, half, -half, -half);
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const auto strokeRadius = light ? (radius + half) : (radius - half);
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p.drawRoundedRect(stroke, strokeRadius, strokeRadius);
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}
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void PaintTopFade(QPainter &p, int outerWidth, int fadeHeight, QColor bg) {
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if (fadeHeight <= 0) {
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return;
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}
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auto transparent = bg;
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transparent.setAlpha(0);
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auto grad = QLinearGradient(0, 0, 0, fadeHeight);
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grad.setColorAt(0, bg);
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grad.setColorAt(1, transparent);
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p.fillRect(QRect(0, 0, outerWidth, fadeHeight), grad);
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}
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void PaintBottomFade(QPainter &p, int outerWidth, int fadeHeight, QColor bg) {
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if (fadeHeight <= 0) {
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return;
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}
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auto transparent = bg;
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transparent.setAlpha(0);
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auto grad = QLinearGradient(0, 0, 0, fadeHeight);
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grad.setColorAt(0, transparent);
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grad.setColorAt(1, bg);
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p.fillRect(QRect(0, 0, outerWidth, fadeHeight), grad);
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}
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} // namespace Dialogs
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