2016-05-19 12:03:51 +00:00
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/*
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This file is part of Telegram Desktop,
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2018-01-03 10:23:14 +00:00
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the official desktop application for the Telegram messaging service.
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2016-05-19 12:03:51 +00:00
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2018-01-03 10:23:14 +00:00
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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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2016-05-19 12:03:51 +00:00
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*/
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#include "window/section_widget.h"
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2018-01-09 17:08:31 +00:00
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#include "mainwidget.h"
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2019-09-13 12:22:54 +00:00
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#include "ui/ui_utility.h"
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2017-09-16 16:53:41 +00:00
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#include "window/section_memento.h"
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2017-10-03 13:05:58 +00:00
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#include "window/window_slide_animation.h"
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2018-01-09 17:08:31 +00:00
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#include "window/themes/window_theme.h"
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2019-06-06 10:21:40 +00:00
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#include "window/window_session_controller.h"
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2019-09-13 12:22:54 +00:00
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#include <rpl/range.h>
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2016-05-19 12:03:51 +00:00
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namespace Window {
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AbstractSectionWidget::AbstractSectionWidget(
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QWidget *parent,
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not_null<SessionController*> controller,
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PaintedBackground paintedBackground)
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: RpWidget(parent)
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, _controller(controller) {
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if (paintedBackground == PaintedBackground::Section) {
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controller->repaintBackgroundRequests(
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) | rpl::start_with_next([=] {
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update();
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}, lifetime());
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}
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}
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2019-07-24 11:45:24 +00:00
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Main::Session &AbstractSectionWidget::session() const {
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return _controller->session();
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}
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2017-09-13 17:01:23 +00:00
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SectionWidget::SectionWidget(
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QWidget *parent,
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not_null<Window::SessionController*> controller,
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PaintedBackground paintedBackground)
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: AbstractSectionWidget(parent, controller, paintedBackground) {
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2016-05-19 12:03:51 +00:00
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}
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2017-09-13 17:01:23 +00:00
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void SectionWidget::setGeometryWithTopMoved(
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const QRect &newGeometry,
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int topDelta) {
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_topDelta = topDelta;
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bool willBeResized = (size() != newGeometry.size());
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if (geometry() != newGeometry) {
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auto weak = Ui::MakeWeak(this);
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setGeometry(newGeometry);
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if (!weak) {
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return;
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}
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}
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if (!willBeResized) {
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resizeEvent(nullptr);
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}
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_topDelta = 0;
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}
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2017-09-13 17:01:23 +00:00
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void SectionWidget::showAnimated(
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SlideDirection direction,
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const SectionSlideParams ¶ms) {
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if (_showAnimation) return;
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showChildren();
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auto myContentCache = grabForShowAnimation(params);
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hideChildren();
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showAnimatedHook(params);
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2017-02-21 13:45:56 +00:00
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_showAnimation = std::make_unique<SlideAnimation>();
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_showAnimation->setDirection(direction);
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_showAnimation->setRepaintCallback([this] { update(); });
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_showAnimation->setFinishedCallback([this] { showFinished(); });
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_showAnimation->setPixmaps(
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params.oldContentCache,
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myContentCache);
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_showAnimation->setTopBarShadow(params.withTopBarShadow);
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_showAnimation->setWithFade(params.withFade);
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_showAnimation->start();
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show();
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}
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2020-12-14 14:48:10 +00:00
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std::shared_ptr<SectionMemento> SectionWidget::createMemento() {
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return nullptr;
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}
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2017-01-14 18:50:16 +00:00
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void SectionWidget::showFast() {
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show();
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showFinished();
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}
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2019-09-13 12:22:54 +00:00
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QPixmap SectionWidget::grabForShowAnimation(
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const SectionSlideParams ¶ms) {
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return Ui::GrabWidget(this);
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}
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2020-06-10 18:08:17 +00:00
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void SectionWidget::PaintBackground(
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not_null<Window::SessionController*> controller,
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not_null<QWidget*> widget,
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QRect clip) {
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Painter p(widget);
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const auto background = Window::Theme::Background();
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if (const auto color = background->colorForFill()) {
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p.fillRect(clip, *color);
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return;
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}
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const auto gradient = background->gradientForFill();
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const auto fill = QSize(widget->width(), controller->content()->height());
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auto fromy = controller->content()->backgroundFromY();
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auto state = controller->backgroundState(fill);
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const auto paintCache = [&](const CachedBackground &cache) {
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const auto to = QRect(
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QPoint(cache.x, fromy + cache.y),
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cache.pixmap.size() / cIntRetinaFactor());
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if (cache.area == fill) {
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p.drawPixmap(to, cache.pixmap);
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} else {
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const auto sx = fill.width() / float64(cache.area.width());
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const auto sy = fill.height() / float64(cache.area.height());
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const auto round = [](float64 value) -> int {
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return (value >= 0.)
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? int(std::ceil(value))
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: int(std::floor(value));
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};
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const auto sto = QPoint(round(to.x() * sx), round(to.y() * sy));
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p.drawPixmap(
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sto.x(),
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sto.y(),
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round((to.x() + to.width()) * sx) - sto.x(),
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round((to.y() + to.height()) * sy) - sto.y(),
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cache.pixmap);
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}
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};
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const auto hasNow = !state.now.pixmap.isNull();
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const auto goodNow = hasNow && (state.now.area == fill);
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const auto useCache = goodNow || !gradient.isNull();
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if (useCache) {
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if (state.shown < 1. && !gradient.isNull()) {
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paintCache(state.was);
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p.setOpacity(state.shown);
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}
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paintCache(state.now);
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return;
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}
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const auto &prepared = background->prepared();
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if (prepared.isNull()) {
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return;
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} else if (background->paper().isPattern()) {
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const auto w = prepared.width() * fill.height() / prepared.height();
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const auto cx = qCeil(fill.width() / float64(w));
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const auto cols = (cx / 2) * 2 + 1;
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const auto xshift = (fill.width() - w * cols) / 2;
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for (auto i = 0; i != cols; ++i) {
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p.drawImage(
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QRect(xshift + i * w, 0, w, fill.height()),
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prepared,
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QRect(QPoint(), prepared.size()));
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}
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} else if (background->tile()) {
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const auto &tiled = background->preparedForTiled();
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const auto left = clip.left();
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const auto top = clip.top();
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const auto right = clip.left() + clip.width();
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const auto bottom = clip.top() + clip.height();
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const auto w = tiled.width() / cRetinaFactor();
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const auto h = tiled.height() / cRetinaFactor();
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const auto sx = qFloor(left / w);
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const auto sy = qFloor((top - fromy) / h);
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const auto cx = qCeil(right / w);
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const auto cy = qCeil((bottom - fromy) / h);
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for (auto i = sx; i < cx; ++i) {
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for (auto j = sy; j < cy; ++j) {
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p.drawImage(QPointF(i * w, fromy + j * h), tiled);
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}
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}
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} else {
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const auto hq = PainterHighQualityEnabler(p);
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const auto rects = Window::Theme::ComputeBackgroundRects(
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fill,
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prepared.size());
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auto to = rects.to;
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to.moveTop(to.top() + fromy);
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p.drawImage(to, prepared, rects.from);
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2018-01-09 17:08:31 +00:00
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}
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}
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2016-05-19 12:03:51 +00:00
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void SectionWidget::paintEvent(QPaintEvent *e) {
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if (_showAnimation) {
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Painter p(this);
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_showAnimation->paintContents(p, e->rect());
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}
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}
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void SectionWidget::showFinished() {
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_showAnimation.reset();
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if (isHidden()) return;
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showChildren();
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showFinishedHook();
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setInnerFocus();
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}
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2017-09-13 17:01:23 +00:00
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rpl::producer<int> SectionWidget::desiredHeight() const {
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return rpl::single(height());
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}
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2017-10-03 13:05:58 +00:00
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SectionWidget::~SectionWidget() = default;
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2016-05-19 12:03:51 +00:00
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} // namespace Window
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