455 lines
10 KiB
C++
455 lines
10 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 "ui/filter_icon_panel.h"
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#include "ui/widgets/shadow.h"
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#include "ui/image/image_prepare.h"
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#include "ui/effects/panel_animation.h"
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#include "ui/ui_utility.h"
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#include "ui/filter_icons.h"
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#include "lang/lang_keys.h"
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#include "core/application.h"
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#include "app.h"
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#include "styles/style_chat_helpers.h"
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#include "styles/style_window.h"
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namespace Ui {
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namespace {
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constexpr auto kHideTimeoutMs = crl::time(300);
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constexpr auto kIconsPerRow = 6;
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constexpr auto kIcons = std::array{
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FilterIcon::Cat,
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FilterIcon::Crown,
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FilterIcon::Favorite,
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FilterIcon::Flower,
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FilterIcon::Game,
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FilterIcon::Home,
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FilterIcon::Love,
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FilterIcon::Mask,
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FilterIcon::Party,
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FilterIcon::Sport,
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FilterIcon::Study,
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FilterIcon::Trade,
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FilterIcon::Travel,
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FilterIcon::Work,
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FilterIcon::All,
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FilterIcon::Unread,
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FilterIcon::Unmuted,
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FilterIcon::Bots,
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FilterIcon::Channels,
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FilterIcon::Groups,
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FilterIcon::Private,
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FilterIcon::Custom,
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FilterIcon::Setup,
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};
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} // namespace
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FilterIconPanel::FilterIconPanel(QWidget *parent)
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: RpWidget(parent)
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, _inner(Ui::CreateChild<Ui::RpWidget>(this)) {
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setup();
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}
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FilterIconPanel::~FilterIconPanel() {
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hideFast();
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}
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rpl::producer<FilterIcon> FilterIconPanel::chosen() const {
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return _chosen.events();
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}
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void FilterIconPanel::setup() {
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setupInner();
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resize(_inner->rect().marginsAdded(innerPadding()).size());
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_inner->move(innerRect().topLeft());
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_hideTimer.setCallback([=] { hideByTimerOrLeave(); });
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macWindowDeactivateEvents(
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) | rpl::filter([=] {
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return !isHidden();
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}) | rpl::start_with_next([=] {
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hideAnimated();
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}, lifetime());
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setAttribute(Qt::WA_OpaquePaintEvent, false);
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hideChildren();
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hide();
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}
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void FilterIconPanel::setupInner() {
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const auto count = kIcons.size();
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const auto rows = (count / kIconsPerRow)
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+ ((count % kIconsPerRow) ? 1 : 0);
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const auto single = st::windowFilterIconSingle;
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const auto size = QSize(
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single.width() * kIconsPerRow,
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single.height() * rows);
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const auto full = QRect(QPoint(), size).marginsAdded(
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st::windowFilterIconPadding).size();
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_inner->resize(full);
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_inner->paintRequest(
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) | rpl::start_with_next([=](QRect clip) {
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auto p = Painter(_inner);
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App::roundRect(
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p,
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_inner->rect(),
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st::emojiPanBg,
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ImageRoundRadius::Small);
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p.setFont(st::emojiPanHeaderFont);
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p.setPen(st::emojiPanHeaderFg);
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p.drawTextLeft(
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st::windowFilterIconHeaderPosition.x(),
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st::windowFilterIconHeaderPosition.y(),
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_inner->width(),
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tr::lng_filters_icon_header(tr::now));
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const auto selected = (_pressed >= 0) ? _pressed : _selected;
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for (auto i = 0; i != kIcons.size(); ++i) {
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const auto rect = countRect(i);
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if (!rect.intersects(clip)) {
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continue;
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}
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if (i == selected) {
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App::roundRect(
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p,
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rect,
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st::emojiPanHover,
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StickerHoverCorners);
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}
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const auto icon = LookupFilterIcon(kIcons[i]).normal;
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icon->paintInCenter(p, rect, st::emojiIconFg->c);
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}
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}, _inner->lifetime());
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_inner->setMouseTracking(true);
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_inner->events(
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) | rpl::start_with_next([=](not_null<QEvent*> e) {
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switch (e->type()) {
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case QEvent::Leave: setSelected(-1); break;
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case QEvent::MouseMove:
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mouseMove(static_cast<QMouseEvent*>(e.get())->pos());
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break;
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case QEvent::MouseButtonPress:
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mousePress(static_cast<QMouseEvent*>(e.get())->button());
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break;
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case QEvent::MouseButtonRelease:
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mouseRelease(static_cast<QMouseEvent*>(e.get())->button());
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break;
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}
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}, _inner->lifetime());
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}
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void FilterIconPanel::setSelected(int selected) {
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if (_selected == selected) {
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return;
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}
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const auto was = (_selected >= 0);
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updateRect(_selected);
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_selected = selected;
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updateRect(_selected);
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const auto now = (_selected >= 0);
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if (was != now) {
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_inner->setCursor(now ? style::cur_pointer : style::cur_default);
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}
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}
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void FilterIconPanel::setPressed(int pressed) {
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if (_pressed == pressed) {
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return;
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}
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updateRect(_pressed);
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_pressed = pressed;
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updateRect(_pressed);
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}
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QRect FilterIconPanel::countRect(int index) const {
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Expects(index >= 0);
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const auto row = index / kIconsPerRow;
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const auto column = index % kIconsPerRow;
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const auto single = st::windowFilterIconSingle;
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const auto rect = QRect(
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QPoint(column * single.width(), row * single.height()),
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single);
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const auto padding = st::windowFilterIconPadding;
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return rect.translated(padding.left(), padding.top());
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}
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void FilterIconPanel::updateRect(int index) {
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if (index < 0) {
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return;
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}
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_inner->update(countRect(index));
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}
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void FilterIconPanel::mouseMove(QPoint position) {
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const auto padding = st::windowFilterIconPadding;
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if (!_inner->rect().marginsRemoved(padding).contains(position)) {
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setSelected(-1);
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} else {
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const auto point = position - QPoint(padding.left(), padding.top());
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const auto column = point.x() / st::windowFilterIconSingle.width();
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const auto row = point.y() / st::windowFilterIconSingle.height();
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const auto index = row * kIconsPerRow + column;
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setSelected(index < kIcons.size() ? index : -1);
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}
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}
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void FilterIconPanel::mousePress(Qt::MouseButton button) {
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if (button != Qt::LeftButton) {
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return;
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}
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setPressed(_selected);
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}
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void FilterIconPanel::mouseRelease(Qt::MouseButton button) {
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if (button != Qt::LeftButton) {
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return;
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}
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const auto pressed = _pressed;
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setPressed(-1);
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if (pressed == _selected && pressed >= 0) {
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Assert(pressed < kIcons.size());
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_chosen.fire_copy(kIcons[pressed]);
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}
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}
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void FilterIconPanel::paintEvent(QPaintEvent *e) {
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Painter p(this);
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// This call can finish _a_show animation and destroy _showAnimation.
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const auto opacityAnimating = _a_opacity.animating();
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const auto showAnimating = _a_show.animating();
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if (_showAnimation && !showAnimating) {
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_showAnimation.reset();
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if (!opacityAnimating) {
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showChildren();
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}
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}
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if (showAnimating) {
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Assert(_showAnimation != nullptr);
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if (auto opacity = _a_opacity.value(_hiding ? 0. : 1.)) {
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_showAnimation->paintFrame(
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p,
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0,
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0,
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width(),
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_a_show.value(1.),
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opacity);
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}
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} else if (opacityAnimating) {
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p.setOpacity(_a_opacity.value(_hiding ? 0. : 1.));
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p.drawPixmap(0, 0, _cache);
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} else if (_hiding || isHidden()) {
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hideFinished();
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} else {
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if (!_cache.isNull()) _cache = QPixmap();
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Ui::Shadow::paint(
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p,
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innerRect(),
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width(),
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st::emojiPanAnimation.shadow);
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}
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}
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void FilterIconPanel::enterEventHook(QEvent *e) {
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Core::App().registerLeaveSubscription(this);
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showAnimated();
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}
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void FilterIconPanel::leaveEventHook(QEvent *e) {
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Core::App().unregisterLeaveSubscription(this);
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if (_a_show.animating() || _a_opacity.animating()) {
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hideAnimated();
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} else {
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_hideTimer.callOnce(kHideTimeoutMs);
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}
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return TWidget::leaveEventHook(e);
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}
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void FilterIconPanel::otherEnter() {
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showAnimated();
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}
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void FilterIconPanel::otherLeave() {
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if (_a_opacity.animating()) {
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hideByTimerOrLeave();
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} else {
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_hideTimer.callOnce(0);
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}
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}
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void FilterIconPanel::hideFast() {
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if (isHidden()) return;
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_hideTimer.cancel();
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_hiding = false;
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_a_opacity.stop();
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hideFinished();
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}
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void FilterIconPanel::opacityAnimationCallback() {
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update();
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if (!_a_opacity.animating()) {
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if (_hiding) {
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_hiding = false;
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hideFinished();
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} else if (!_a_show.animating()) {
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showChildren();
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}
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}
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}
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void FilterIconPanel::hideByTimerOrLeave() {
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if (isHidden()) {
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return;
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}
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hideAnimated();
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}
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void FilterIconPanel::prepareCacheFor(bool hiding) {
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if (_a_opacity.animating()) {
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_hiding = hiding;
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return;
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}
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auto showAnimation = base::take(_a_show);
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auto showAnimationData = base::take(_showAnimation);
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_hiding = false;
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showChildren();
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_cache = Ui::GrabWidget(this);
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_a_show = base::take(showAnimation);
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_showAnimation = base::take(showAnimationData);
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_hiding = hiding;
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if (_a_show.animating()) {
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hideChildren();
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}
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}
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void FilterIconPanel::startOpacityAnimation(bool hiding) {
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prepareCacheFor(hiding);
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hideChildren();
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_a_opacity.start(
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[=] { opacityAnimationCallback(); },
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_hiding ? 1. : 0.,
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_hiding ? 0. : 1.,
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st::emojiPanDuration);
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}
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void FilterIconPanel::startShowAnimation() {
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if (!_a_show.animating()) {
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auto image = grabForAnimation();
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_showAnimation = std::make_unique<Ui::PanelAnimation>(st::emojiPanAnimation, Ui::PanelAnimation::Origin::TopRight);
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auto inner = rect().marginsRemoved(st::emojiPanMargins);
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_showAnimation->setFinalImage(std::move(image), QRect(inner.topLeft() * cIntRetinaFactor(), inner.size() * cIntRetinaFactor()));
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_showAnimation->setCornerMasks(Images::CornersMask(ImageRoundRadius::Small));
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_showAnimation->start();
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}
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hideChildren();
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_a_show.start([this] { update(); }, 0., 1., st::emojiPanShowDuration);
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}
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QImage FilterIconPanel::grabForAnimation() {
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auto cache = base::take(_cache);
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auto opacityAnimation = base::take(_a_opacity);
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auto showAnimationData = base::take(_showAnimation);
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auto showAnimation = base::take(_a_show);
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showChildren();
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Ui::SendPendingMoveResizeEvents(this);
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auto result = QImage(
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size() * cIntRetinaFactor(),
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QImage::Format_ARGB32_Premultiplied);
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result.setDevicePixelRatio(cRetinaFactor());
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result.fill(Qt::transparent);
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if (_inner) {
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QPainter p(&result);
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Ui::RenderWidget(p, _inner, _inner->pos());
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}
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_a_show = base::take(showAnimation);
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_showAnimation = base::take(showAnimationData);
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_a_opacity = base::take(opacityAnimation);
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_cache = base::take(_cache);
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return result;
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}
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void FilterIconPanel::hideAnimated() {
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if (isHidden() || _hiding) {
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return;
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}
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_hideTimer.cancel();
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startOpacityAnimation(true);
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}
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void FilterIconPanel::toggleAnimated() {
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if (isHidden() || _hiding) {
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showAnimated();
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} else {
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hideAnimated();
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}
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}
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void FilterIconPanel::hideFinished() {
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hide();
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_a_show.stop();
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_showAnimation.reset();
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_cache = QPixmap();
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_hiding = false;
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}
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void FilterIconPanel::showAnimated() {
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_hideTimer.cancel();
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showStarted();
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}
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void FilterIconPanel::showStarted() {
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if (isHidden()) {
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raise();
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show();
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startShowAnimation();
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} else if (_hiding) {
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startOpacityAnimation(false);
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}
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}
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bool FilterIconPanel::eventFilter(QObject *obj, QEvent *e) {
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if (e->type() == QEvent::Enter) {
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otherEnter();
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} else if (e->type() == QEvent::Leave) {
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otherLeave();
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}
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return false;
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}
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style::margins FilterIconPanel::innerPadding() const {
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return st::emojiPanMargins;
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}
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QRect FilterIconPanel::innerRect() const {
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return rect().marginsRemoved(innerPadding());
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}
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} // namespace Ui
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