104 lines
2.4 KiB
C++
104 lines
2.4 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/effects/emoji_fly_animation.h"
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#include "data/stickers/data_custom_emoji.h"
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#include "styles/style_info.h"
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#include "styles/style_chat.h"
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namespace Ui {
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namespace {
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[[nodiscard]] int ComputeFlySize(Data::CustomEmojiSizeTag tag) {
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using Tag = Data::CustomEmojiSizeTag;
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if (tag == Tag::Normal) {
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return st::reactionInlineImage;
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}
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return int(base::SafeRound(
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(st::reactionInlineImage * Data::FrameSizeFromTag(tag)
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/ float64(Data::FrameSizeFromTag(Tag::Normal)))));
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}
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} // namespace
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EmojiFlyAnimation::EmojiFlyAnimation(
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not_null<Ui::RpWidget*> body,
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not_null<Data::Reactions*> owner,
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ReactionFlyAnimationArgs &&args,
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Fn<void()> repaint,
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Data::CustomEmojiSizeTag tag)
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: _flySize(ComputeFlySize(tag))
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, _fly(
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owner,
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std::move(args),
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std::move(repaint),
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_flySize,
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tag)
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, _layer(body) {
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body->sizeValue() | rpl::start_with_next([=](QSize size) {
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_layer.setGeometry(QRect(QPoint(), size));
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}, _layer.lifetime());
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_layer.paintRequest(
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) | rpl::start_with_next([=](QRect clip) {
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const auto target = _target.data();
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if (!target || !target->isVisible()) {
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return;
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}
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auto p = QPainter(&_layer);
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const auto rect = Ui::MapFrom(&_layer, target, target->rect());
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const auto skipx = (rect.width() - _flySize) / 2;
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const auto skipy = (rect.height() - _flySize) / 2;
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const auto area = _fly.paintGetArea(
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p,
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QPoint(),
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QRect(
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rect.topLeft() + QPoint(skipx, skipy),
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QSize(_flySize, _flySize)),
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st::infoPeerBadge.premiumFg->c,
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clip,
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crl::now());
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if (_areaUpdated || _area.isEmpty()) {
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_area = area;
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} else {
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_area = _area.united(area);
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}
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}, _layer.lifetime());
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_layer.setAttribute(Qt::WA_TransparentForMouseEvents);
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_layer.show();
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}
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not_null<Ui::RpWidget*> EmojiFlyAnimation::layer() {
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return &_layer;
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}
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bool EmojiFlyAnimation::finished() const {
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if (const auto target = _target.data()) {
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return _fly.finished() || !target->isVisible();
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}
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return true;
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}
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void EmojiFlyAnimation::repaint() {
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if (_area.isEmpty()) {
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_layer.update();
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} else {
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_layer.update(_area);
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_areaUpdated = true;
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}
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}
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bool EmojiFlyAnimation::paintBadgeFrame(
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not_null<Ui::RpWidget*> widget) {
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_target = widget;
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return !_fly.finished();
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}
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} // namespace Ui
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