117 lines
2.4 KiB
C++
117 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/wrap/fade_wrap.h"
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#include "ui/widgets/shadow.h"
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namespace Ui {
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FadeWrap<RpWidget>::FadeWrap(
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QWidget *parent,
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object_ptr<RpWidget> &&child,
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float64 scale)
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: Parent(parent, std::move(child))
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, _animation(this, scale)
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, _duration(st::fadeWrapDuration) {
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if (auto weak = wrapped()) {
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weak->show();
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}
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}
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FadeWrap<RpWidget> *FadeWrap<RpWidget>::setDuration(int duration) {
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_duration = duration;
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return this;
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}
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FadeWrap<RpWidget> *FadeWrap<RpWidget>::toggle(
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bool shown,
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anim::type animated) {
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auto changed = (shown != _animation.visible());
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if (shown) {
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if (animated == anim::type::normal) {
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if (!_animation.animating()) {
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wrapped()->show();
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}
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_animation.fadeIn(_duration);
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if (_animation.animating()) {
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wrapped()->hide();
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}
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} else {
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_animation.show();
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if (!_animation.animating()) {
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wrapped()->show();
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}
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}
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} else {
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if (animated == anim::type::normal) {
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if (!_animation.animating()) {
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wrapped()->show();
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}
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_animation.fadeOut(_duration);
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if (_animation.animating()) {
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wrapped()->hide();
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}
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} else {
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_animation.hide();
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if (!_animation.animating()) {
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wrapped()->show();
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}
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}
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}
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if (changed) {
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_toggledChanged.fire_copy(shown);
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}
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return this;
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}
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FadeWrap<RpWidget> *FadeWrap<RpWidget>::finishAnimating() {
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_animation.finish();
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wrapped()->show();
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return this;
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}
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FadeWrap<RpWidget> *FadeWrap<RpWidget>::toggleOn(
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rpl::producer<bool> &&shown) {
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std::move(
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shown
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) | rpl::start_with_next([this](bool shown) {
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toggle(shown, anim::type::normal);
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}, lifetime());
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finishAnimating();
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return this;
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}
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void FadeWrap<RpWidget>::paintEvent(QPaintEvent *e) {
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Painter p(this);
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if (_animation.paint(p)) {
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if (!_animation.animating() && _animation.visible()) {
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crl::on_main(this, [=] {
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if (!_animation.animating() && _animation.visible()) {
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wrapped()->show();
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}
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});
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}
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return;
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}
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if (!_animation.animating()) {
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wrapped()->show();
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}
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}
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FadeShadow::FadeShadow(QWidget *parent)
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: FadeShadow(parent, st::shadowFg) {
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}
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FadeShadow::FadeShadow(QWidget *parent, style::color color)
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: Parent(parent, object_ptr<PlainShadow>(parent, color)) {
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hide(anim::type::instant);
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}
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} // namespace Ui
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