306 lines
8.6 KiB
C++
306 lines
8.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "window/layer_widget.h"
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#include "ui/rp_widget.h"
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namespace style {
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struct RoundButton;
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struct ScrollArea;
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} // namespace style
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namespace Ui {
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class RoundButton;
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class IconButton;
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class ScrollArea;
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class FlatLabel;
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class FadeShadow;
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} // namespace Ui
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namespace Window {
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class Controller;
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} // namespace Window
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class BoxContentDelegate {
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public:
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virtual Window::Controller *controller() const = 0;
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virtual void setLayerType(bool layerType) = 0;
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virtual void setTitle(base::lambda<TextWithEntities()> titleFactory) = 0;
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virtual void setAdditionalTitle(base::lambda<QString()> additionalFactory) = 0;
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virtual void clearButtons() = 0;
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virtual QPointer<Ui::RoundButton> addButton(base::lambda<QString()> textFactory, base::lambda<void()> clickCallback, const style::RoundButton &st) = 0;
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virtual QPointer<Ui::RoundButton> addLeftButton(base::lambda<QString()> textFactory, base::lambda<void()> clickCallback, const style::RoundButton &st) = 0;
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virtual void updateButtonsPositions() = 0;
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virtual void setDimensions(int newWidth, int maxHeight) = 0;
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virtual void setNoContentMargin(bool noContentMargin) = 0;
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virtual bool isBoxShown() const = 0;
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virtual void closeBox() = 0;
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};
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class BoxContent : public Ui::RpWidget, protected base::Subscriber {
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Q_OBJECT
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public:
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BoxContent() {
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setAttribute(Qt::WA_OpaquePaintEvent);
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}
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bool isBoxShown() const {
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return getDelegate()->isBoxShown();
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}
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void closeBox() {
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getDelegate()->closeBox();
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}
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void setTitle(base::lambda<QString()> titleFactory) {
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if (titleFactory) {
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getDelegate()->setTitle([titleFactory] { return TextWithEntities { titleFactory(), EntitiesInText() }; });
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} else {
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getDelegate()->setTitle(base::lambda<TextWithEntities()>());
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}
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}
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void setTitle(base::lambda<TextWithEntities()> titleFactory) {
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getDelegate()->setTitle(std::move(titleFactory));
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}
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void setAdditionalTitle(base::lambda<QString()> additional) {
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getDelegate()->setAdditionalTitle(std::move(additional));
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}
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void clearButtons() {
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getDelegate()->clearButtons();
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}
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QPointer<Ui::RoundButton> addButton(base::lambda<QString()> textFactory, base::lambda<void()> clickCallback);
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QPointer<Ui::RoundButton> addLeftButton(base::lambda<QString()> textFactory, base::lambda<void()> clickCallback);
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QPointer<Ui::RoundButton> addButton(base::lambda<QString()> textFactory, base::lambda<void()> clickCallback, const style::RoundButton &st) {
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return getDelegate()->addButton(std::move(textFactory), std::move(clickCallback), st);
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}
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void updateButtonsGeometry() {
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getDelegate()->updateButtonsPositions();
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}
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virtual void setInnerFocus() {
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setFocus();
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}
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base::Observable<void> boxClosing;
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void setDelegate(BoxContentDelegate *newDelegate) {
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_delegate = newDelegate;
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_preparing = true;
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prepare();
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finishPrepare();
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}
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public slots:
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void onScrollToY(int top, int bottom = -1);
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void onDraggingScrollDelta(int delta);
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protected:
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virtual void prepare() = 0;
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Window::Controller *controller() {
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return getDelegate()->controller();
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}
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void setLayerType(bool layerType) {
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getDelegate()->setLayerType(layerType);
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}
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void setNoContentMargin(bool noContentMargin) {
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if (_noContentMargin != noContentMargin) {
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_noContentMargin = noContentMargin;
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setAttribute(Qt::WA_OpaquePaintEvent, !_noContentMargin);
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}
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getDelegate()->setNoContentMargin(noContentMargin);
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}
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void setDimensions(int newWidth, int maxHeight) {
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getDelegate()->setDimensions(newWidth, maxHeight);
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}
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void setInnerTopSkip(int topSkip, bool scrollBottomFixed = false);
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template <typename Widget>
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QPointer<Widget> setInnerWidget(object_ptr<Widget> inner, const style::ScrollArea &st, int topSkip = 0) {
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auto result = QPointer<Widget>(inner.data());
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setInnerTopSkip(topSkip);
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setInner(std::move(inner), st);
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return result;
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}
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template <typename Widget>
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QPointer<Widget> setInnerWidget(object_ptr<Widget> inner, int topSkip = 0) {
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auto result = QPointer<Widget>(inner.data());
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setInnerTopSkip(topSkip);
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setInner(std::move(inner));
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return result;
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}
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template <typename Widget>
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object_ptr<Widget> takeInnerWidget() {
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return static_object_cast<Widget>(doTakeInnerWidget());
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}
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void setInnerVisible(bool scrollAreaVisible);
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QPixmap grabInnerCache();
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void resizeEvent(QResizeEvent *e) override;
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void paintEvent(QPaintEvent *e) override;
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private slots:
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void onScroll();
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void onInnerResize();
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void onDraggingScrollTimer();
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private:
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void finishPrepare();
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void finishScrollCreate();
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void setInner(object_ptr<TWidget> inner);
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void setInner(object_ptr<TWidget> inner, const style::ScrollArea &st);
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void updateScrollAreaGeometry();
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void updateInnerVisibleTopBottom();
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void updateShadowsVisibility();
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object_ptr<TWidget> doTakeInnerWidget();
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BoxContentDelegate *getDelegate() const {
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Expects(_delegate != nullptr);
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return _delegate;
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}
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BoxContentDelegate *_delegate = nullptr;
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bool _preparing = false;
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bool _noContentMargin = false;
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int _innerTopSkip = 0;
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object_ptr<Ui::ScrollArea> _scroll = { nullptr };
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object_ptr<Ui::FadeShadow> _topShadow = { nullptr };
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object_ptr<Ui::FadeShadow> _bottomShadow = { nullptr };
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object_ptr<QTimer> _draggingScrollTimer = { nullptr };
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int _draggingScrollDelta = 0;
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};
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class AbstractBox
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: public Window::LayerWidget
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, public BoxContentDelegate
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, protected base::Subscriber {
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public:
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AbstractBox(QWidget *parent, Window::Controller *controller, object_ptr<BoxContent> content);
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Window::Controller *controller() const override {
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return _controller;
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}
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void parentResized() override;
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void setLayerType(bool layerType) override;
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void setTitle(base::lambda<TextWithEntities()> titleFactory) override;
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void setAdditionalTitle(base::lambda<QString()> additionalFactory) override;
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void clearButtons() override;
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QPointer<Ui::RoundButton> addButton(base::lambda<QString()> textFactory, base::lambda<void()> clickCallback, const style::RoundButton &st) override;
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QPointer<Ui::RoundButton> addLeftButton(base::lambda<QString()> textFactory, base::lambda<void()> clickCallback, const style::RoundButton &st) override;
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void updateButtonsPositions() override;
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void setDimensions(int newWidth, int maxHeight) override;
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void setNoContentMargin(bool noContentMargin) override {
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if (_noContentMargin != noContentMargin) {
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_noContentMargin = noContentMargin;
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updateSize();
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}
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}
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bool isBoxShown() const override {
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return !isHidden();
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}
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void closeBox() override {
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closeLayer();
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}
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protected:
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void keyPressEvent(QKeyEvent *e) override;
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void resizeEvent(QResizeEvent *e) override;
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void paintEvent(QPaintEvent *e) override;
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void doSetInnerFocus() override {
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_content->setInnerFocus();
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}
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void closeHook() override {
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_content->boxClosing.notify(true);
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}
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private:
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void paintAdditionalTitle(Painter &p);
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void updateTitlePosition();
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void refreshTitle();
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void refreshAdditionalTitle();
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void refreshLang();
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bool hasTitle() const;
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int titleHeight() const;
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int buttonsHeight() const;
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int buttonsTop() const;
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int contentTop() const;
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int countFullHeight() const;
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int countRealHeight() const;
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void updateSize();
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Window::Controller *_controller = nullptr;
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int _fullHeight = 0;
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bool _noContentMargin = false;
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int _maxContentHeight = 0;
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object_ptr<BoxContent> _content;
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object_ptr<Ui::FlatLabel> _title = { nullptr };
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base::lambda<TextWithEntities()> _titleFactory;
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QString _additionalTitle;
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base::lambda<QString()> _additionalTitleFactory;
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int _titleLeft = 0;
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int _titleTop = 0;
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bool _layerType = false;
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std::vector<object_ptr<Ui::RoundButton>> _buttons;
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object_ptr<Ui::RoundButton> _leftButton = { nullptr };
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};
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class BoxContentDivider : public Ui::RpWidget {
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public:
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BoxContentDivider(QWidget *parent);
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protected:
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int resizeGetHeight(int newWidth) override;
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void paintEvent(QPaintEvent *e) override;
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};
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enum CreatingGroupType {
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CreatingGroupNone,
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CreatingGroupGroup,
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CreatingGroupChannel,
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};
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