385 lines
11 KiB
C++
385 lines
11 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 "info/info_layer_widget.h"
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#include "info/info_content_widget.h"
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#include "info/info_top_bar.h"
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#include "info/info_memento.h"
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#include "ui/rp_widget.h"
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#include "ui/focus_persister.h"
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#include "ui/widgets/buttons.h"
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#include "ui/cached_round_corners.h"
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#include "window/section_widget.h"
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#include "window/window_controller.h"
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#include "window/window_session_controller.h"
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#include "window/main_window.h"
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#include "main/main_session.h"
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#include "core/application.h"
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#include "styles/style_info.h"
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#include "styles/style_window.h"
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#include "styles/style_layers.h"
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namespace Info {
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LayerWidget::LayerWidget(
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not_null<Window::SessionController*> controller,
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not_null<Memento*> memento)
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: _controller(controller)
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, _content(this, controller, Wrap::Layer, memento) {
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setupHeightConsumers();
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controller->window().replaceFloatPlayerDelegate(floatPlayerDelegate());
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}
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LayerWidget::LayerWidget(
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not_null<Window::SessionController*> controller,
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not_null<MoveMemento*> memento)
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: _controller(controller)
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, _content(memento->takeContent(this, Wrap::Layer)) {
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setupHeightConsumers();
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controller->window().replaceFloatPlayerDelegate(floatPlayerDelegate());
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}
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auto LayerWidget::floatPlayerDelegate()
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-> not_null<::Media::Player::FloatDelegate*> {
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return static_cast<::Media::Player::FloatDelegate*>(this);
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}
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not_null<Ui::RpWidget*> LayerWidget::floatPlayerWidget() {
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return this;
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}
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void LayerWidget::floatPlayerToggleGifsPaused(bool paused) {
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constexpr auto kReason = Window::GifPauseReason::RoundPlaying;
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if (paused) {
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_controller->enableGifPauseReason(kReason);
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} else {
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_controller->disableGifPauseReason(kReason);
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}
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}
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auto LayerWidget::floatPlayerGetSection(Window::Column column)
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-> not_null<::Media::Player::FloatSectionDelegate*> {
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Expects(_content != nullptr);
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return _content;
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}
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void LayerWidget::floatPlayerEnumerateSections(Fn<void(
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not_null<::Media::Player::FloatSectionDelegate*> widget,
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Window::Column widgetColumn)> callback) {
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Expects(_content != nullptr);
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callback(_content, Window::Column::Second);
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}
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bool LayerWidget::floatPlayerIsVisible(not_null<HistoryItem*> item) {
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return false;
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}
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void LayerWidget::floatPlayerDoubleClickEvent(
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not_null<const HistoryItem*> item) {
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_controller->showMessage(item);
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}
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void LayerWidget::setupHeightConsumers() {
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Expects(_content != nullptr);
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_content->scrollTillBottomChanges(
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) | rpl::filter([this] {
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if (!_inResize) {
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return true;
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}
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_pendingResize = true;
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return false;
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}) | rpl::start_with_next([this] {
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resizeToWidth(width());
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}, lifetime());
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_content->grabbingForExpanding(
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) | rpl::start_with_next([=](bool grabbing) {
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if (grabbing) {
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_savedHeight = _contentHeight;
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_savedHeightAnimation = base::take(_heightAnimation);
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setContentHeight(_desiredHeight);
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} else {
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_heightAnimation = base::take(_savedHeightAnimation);
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setContentHeight(_savedHeight);
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}
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}, lifetime());
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_content->desiredHeightValue(
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) | rpl::start_with_next([this](int height) {
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if (!height) {
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// New content arrived.
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_heightAnimated = _heightAnimation.animating();
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return;
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}
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std::swap(_desiredHeight, height);
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if (!height
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|| (_heightAnimated && !_heightAnimation.animating())) {
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_heightAnimated = true;
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setContentHeight(_desiredHeight);
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} else {
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_heightAnimated = true;
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_heightAnimation.start([=] {
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setContentHeight(_heightAnimation.value(_desiredHeight));
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}, _contentHeight, _desiredHeight, st::slideDuration);
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resizeToWidth(width());
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}
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}, lifetime());
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}
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void LayerWidget::setContentHeight(int height) {
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if (_contentHeight == height) {
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return;
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}
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_contentHeight = height;
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if (_inResize) {
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_pendingResize = true;
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} else if (_content) {
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resizeToWidth(width());
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}
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}
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void LayerWidget::showFinished() {
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floatPlayerShowVisible();
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}
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void LayerWidget::parentResized() {
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if (!_content) {
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return;
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}
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auto parentSize = parentWidget()->size();
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auto parentWidth = parentSize.width();
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if (parentWidth < MinimalSupportedWidth()) {
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Ui::FocusPersister persister(this);
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restoreFloatPlayerDelegate();
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auto memento = std::make_shared<MoveMemento>(std::move(_content));
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// We want to call hideSpecialLayer synchronously to avoid glitches,
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// but we can't destroy LayerStackWidget from its' resizeEvent,
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// because QWidget has such code for resizing:
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//
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// QResizeEvent e(r.size(), olds);
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// QApplication::sendEvent(q, &e);
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// if (q->windowHandle())
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// q->update();
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//
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// So we call it queued. It would be cool to call it 'right after'
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// the resize event handling was finished.
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InvokeQueued(this, [=] {
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_controller->hideSpecialLayer(anim::type::instant);
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});
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_controller->showSection(
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std::move(memento),
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Window::SectionShow(
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Window::SectionShow::Way::Forward,
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anim::type::instant,
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anim::activation::background));
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//
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// There was a layout logic which caused layer info to become a
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// third column info if the window size allows, but it was decided
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// to keep layer info and third column info separated.
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//
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//} else if (_controller->canShowThirdSectionWithoutResize()) {
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// takeToThirdSection();
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} else {
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auto newWidth = qMin(
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parentWidth - 2 * st::infoMinimalLayerMargin,
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st::infoDesiredWidth);
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resizeToWidth(newWidth);
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}
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}
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bool LayerWidget::takeToThirdSection() {
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return false;
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//
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// There was a layout logic which caused layer info to become a
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// third column info if the window size allows, but it was decided
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// to keep layer info and third column info separated.
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//
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//Ui::FocusPersister persister(this);
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//auto localCopy = _controller;
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//auto memento = MoveMemento(std::move(_content));
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//localCopy->hideSpecialLayer(anim::type::instant);
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//// When creating third section in response to the window
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//// size allowing it to fit without window resize we want
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//// to save that we didn't extend the window while showing
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//// the third section, so that when we close it we won't
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//// shrink the window size.
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////
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//// See https://github.com/telegramdesktop/tdesktop/issues/4091
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//localCopy->session()().settings().setThirdSectionExtendedBy(0);
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//localCopy->session()().settings().setThirdSectionInfoEnabled(true);
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//localCopy->session()().saveSettingsDelayed();
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//localCopy->showSection(
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// std::move(memento),
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// Window::SectionShow(
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// Window::SectionShow::Way::ClearStack,
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// anim::type::instant,
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// anim::activation::background));
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//return true;
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}
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bool LayerWidget::showSectionInternal(
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not_null<Window::SectionMemento*> memento,
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const Window::SectionShow ¶ms) {
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if (_content && _content->showInternal(memento, params)) {
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if (params.activation != anim::activation::background) {
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_controller->parentController()->hideLayer();
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}
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return true;
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}
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return false;
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}
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bool LayerWidget::closeByOutsideClick() const {
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return _content ? _content->closeByOutsideClick() : true;
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}
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int LayerWidget::MinimalSupportedWidth() {
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const auto minimalMargins = 2 * st::infoMinimalLayerMargin;
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return st::infoMinimalWidth + minimalMargins;
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}
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int LayerWidget::resizeGetHeight(int newWidth) {
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if (!parentWidget() || !_content || !newWidth) {
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return 0;
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}
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constexpr auto kMaxAttempts = 16;
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auto attempts = 0;
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while (true) {
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_inResize = true;
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const auto newGeometry = countGeometry(newWidth);
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_inResize = false;
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if (!_pendingResize) {
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const auto oldGeometry = geometry();
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if (newGeometry != oldGeometry) {
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_content->forceContentRepaint();
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}
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if (newGeometry.topLeft() != oldGeometry.topLeft()) {
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move(newGeometry.topLeft());
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}
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floatPlayerUpdatePositions();
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return newGeometry.height();
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}
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_pendingResize = false;
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Assert(attempts++ < kMaxAttempts);
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}
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}
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QRect LayerWidget::countGeometry(int newWidth) {
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const auto &parentSize = parentWidget()->size();
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const auto windowWidth = parentSize.width();
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const auto windowHeight = parentSize.height();
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const auto newLeft = (windowWidth - newWidth) / 2;
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const auto newTop = std::clamp(
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windowHeight / 24,
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st::infoLayerTopMinimal,
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st::infoLayerTopMaximal);
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const auto newBottom = newTop;
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const auto bottomRadius = st::boxRadius;
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// Top rounding is included in _contentHeight.
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auto desiredHeight = _contentHeight + bottomRadius;
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accumulate_min(desiredHeight, windowHeight - newTop - newBottom);
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// First resize content to new width and get the new desired height.
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const auto contentLeft = 0;
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const auto contentTop = 0;
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const auto contentBottom = bottomRadius;
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const auto contentWidth = newWidth;
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auto contentHeight = desiredHeight - contentTop - contentBottom;
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const auto scrollTillBottom = _content->scrollTillBottom(contentHeight);
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auto additionalScroll = std::min(scrollTillBottom, newBottom);
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const auto expanding = (_desiredHeight > _contentHeight);
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desiredHeight += additionalScroll;
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contentHeight += additionalScroll;
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_tillBottom = (newTop + desiredHeight >= windowHeight);
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if (_tillBottom) {
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additionalScroll += contentBottom;
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}
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_contentTillBottom = _tillBottom && !_content->scrollBottomSkip();
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if (_contentTillBottom) {
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contentHeight += contentBottom;
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}
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_content->updateGeometry({
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contentLeft,
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contentTop,
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contentWidth,
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contentHeight,
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}, expanding, additionalScroll);
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return QRect(newLeft, newTop, newWidth, desiredHeight);
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}
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void LayerWidget::doSetInnerFocus() {
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if (_content) {
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_content->setInnerFocus();
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}
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}
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void LayerWidget::paintEvent(QPaintEvent *e) {
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auto p = QPainter(this);
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const auto clip = e->rect();
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const auto radius = st::boxRadius;
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const auto &corners = Ui::CachedCornerPixmaps(Ui::BoxCorners);
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if (!_tillBottom) {
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const auto bottom = QRect{ 0, height() - radius, width(), radius };
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if (clip.intersects(bottom)) {
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if (const auto rounding = _content->bottomSkipRounding()) {
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rounding->paint(p, rect(), RectPart::FullBottom);
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} else {
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Ui::FillRoundRect(p, bottom, st::boxBg, {
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.p = { QPixmap(), QPixmap(), corners.p[2], corners.p[3] }
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});
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}
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}
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} else if (!_contentTillBottom) {
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const auto rounding = _content->bottomSkipRounding();
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const auto &color = rounding ? rounding->color() : st::boxBg;
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p.fillRect(0, height() - radius, width(), radius, color);
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}
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if (_content->animatingShow()) {
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const auto top = QRect{ 0, 0, width(), radius };
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if (clip.intersects(top)) {
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Ui::FillRoundRect(p, top, st::boxBg, {
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.p = { corners.p[0], corners.p[1], QPixmap(), QPixmap() }
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});
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}
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p.fillRect(0, radius, width(), height() - 2 * radius, st::boxBg);
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}
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}
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void LayerWidget::restoreFloatPlayerDelegate() {
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if (!_floatPlayerDelegateRestored) {
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_floatPlayerDelegateRestored = true;
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_controller->window().restoreFloatPlayerDelegate(
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floatPlayerDelegate());
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}
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}
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void LayerWidget::closeHook() {
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restoreFloatPlayerDelegate();
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}
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LayerWidget::~LayerWidget() {
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if (!Core::Quitting()) {
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restoreFloatPlayerDelegate();
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}
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}
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} // namespace Info
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