419 lines
10 KiB
C++
419 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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#pragma once
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#include "window/layer_widget.h"
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#include "base/unique_qptr.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 IconButton;
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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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class BoxContent;
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class BoxContentDelegate {
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public:
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virtual void setLayerType(bool layerType) = 0;
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virtual void setTitle(rpl::producer<TextWithEntities> title) = 0;
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virtual void setAdditionalTitle(rpl::producer<QString> additional) = 0;
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virtual void setCloseByOutsideClick(bool close) = 0;
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virtual void clearButtons() = 0;
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virtual QPointer<Ui::RoundButton> addButton(
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rpl::producer<QString> text,
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Fn<void()> clickCallback,
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const style::RoundButton &st) = 0;
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virtual QPointer<Ui::RoundButton> addLeftButton(
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rpl::producer<QString> text,
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Fn<void()> clickCallback,
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const style::RoundButton &st) = 0;
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virtual QPointer<Ui::IconButton> addTopButton(
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const style::IconButton &st,
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Fn<void()> clickCallback) = 0;
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virtual void updateButtonsPositions() = 0;
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virtual void showBox(
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object_ptr<BoxContent> box,
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LayerOptions options,
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anim::type animated) = 0;
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virtual void setDimensions(
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int newWidth,
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int maxHeight,
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bool forceCenterPosition = false) = 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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template <typename BoxType>
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QPointer<BoxType> show(
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object_ptr<BoxType> content,
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LayerOptions options = LayerOption::KeepOther,
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anim::type animated = anim::type::normal) {
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auto result = QPointer<BoxType>(content.data());
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showBox(std::move(content), options, animated);
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return result;
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}
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virtual QPointer<QWidget> outerContainer() = 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(rpl::producer<QString> title);
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void setTitle(rpl::producer<TextWithEntities> title) {
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getDelegate()->setTitle(std::move(title));
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}
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void setAdditionalTitle(rpl::producer<QString> additional) {
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getDelegate()->setAdditionalTitle(std::move(additional));
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}
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void setCloseByEscape(bool close) {
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_closeByEscape = close;
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}
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void setCloseByOutsideClick(bool close) {
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getDelegate()->setCloseByOutsideClick(close);
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}
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void scrollToWidget(not_null<QWidget*> widget);
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void clearButtons() {
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getDelegate()->clearButtons();
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}
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QPointer<Ui::RoundButton> addButton(
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rpl::producer<QString> text,
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Fn<void()> clickCallback = nullptr);
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QPointer<Ui::RoundButton> addLeftButton(
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rpl::producer<QString> text,
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Fn<void()> clickCallback = nullptr);
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QPointer<Ui::IconButton> addTopButton(
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const style::IconButton &st,
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Fn<void()> clickCallback = nullptr) {
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return getDelegate()->addTopButton(st, std::move(clickCallback));
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}
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QPointer<Ui::RoundButton> addButton(
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rpl::producer<QString> text,
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const style::RoundButton &st) {
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return getDelegate()->addButton(std::move(text), nullptr, st);
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}
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QPointer<Ui::RoundButton> addButton(
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rpl::producer<QString> text,
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Fn<void()> clickCallback,
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const style::RoundButton &st) {
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return getDelegate()->addButton(
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std::move(text),
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std::move(clickCallback),
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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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rpl::producer<> boxClosing() const {
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return _boxClosingStream.events();
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}
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void notifyBoxClosing() {
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_boxClosingStream.fire({});
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}
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void setDelegate(not_null<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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not_null<BoxContentDelegate*> getDelegate() const {
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return _delegate;
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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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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(
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int newWidth,
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int maxHeight,
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bool forceCenterPosition = false) {
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getDelegate()->setDimensions(
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newWidth,
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maxHeight,
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forceCenterPosition);
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}
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void setDimensionsToContent(
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int newWidth,
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not_null<Ui::RpWidget*> content);
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void setInnerTopSkip(int topSkip, bool scrollBottomFixed = false);
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void setInnerBottomSkip(int bottomSkip);
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template <typename Widget>
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QPointer<Widget> setInnerWidget(
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object_ptr<Widget> inner,
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const style::ScrollArea &st,
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int topSkip = 0,
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int bottomSkip = 0) {
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auto result = QPointer<Widget>(inner.data());
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setInnerTopSkip(topSkip);
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setInnerBottomSkip(bottomSkip);
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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(
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object_ptr<Widget> inner,
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int topSkip = 0,
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int bottomSkip = 0) {
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auto result = QPointer<Widget>(inner.data());
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setInnerTopSkip(topSkip);
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setInnerBottomSkip(bottomSkip);
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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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void keyPressEvent(QKeyEvent *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 *_delegate = nullptr;
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bool _preparing = false;
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bool _noContentMargin = false;
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bool _closeByEscape = true;
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int _innerTopSkip = 0;
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int _innerBottomSkip = 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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rpl::event_stream<> _boxClosingStream;
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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(
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not_null<Window::LayerStackWidget*> layer,
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object_ptr<BoxContent> content);
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void parentResized() override;
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void setLayerType(bool layerType) override;
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void setTitle(rpl::producer<TextWithEntities> title) override;
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void setAdditionalTitle(rpl::producer<QString> additional) override;
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void showBox(
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object_ptr<BoxContent> box,
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LayerOptions options,
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anim::type animated) override;
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void clearButtons() override;
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QPointer<Ui::RoundButton> addButton(
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rpl::producer<QString> text,
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Fn<void()> clickCallback,
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const style::RoundButton &st) override;
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QPointer<Ui::RoundButton> addLeftButton(
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rpl::producer<QString> text,
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Fn<void()> clickCallback,
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const style::RoundButton &st) override;
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QPointer<Ui::IconButton> addTopButton(
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const style::IconButton &st,
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Fn<void()> clickCallback) override;
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void updateButtonsPositions() override;
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QPointer<QWidget> outerContainer() override;
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void setDimensions(
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int newWidth,
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int maxHeight,
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bool forceCenterPosition = false) 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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void setCloseByOutsideClick(bool close) override;
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bool closeByOutsideClick() const override;
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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->notifyBoxClosing();
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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 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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not_null<Window::LayerStackWidget*> _layer;
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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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Fn<TextWithEntities()> _titleFactory;
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rpl::variable<QString> _additionalTitle;
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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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bool _closeByOutsideClick = true;
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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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base::unique_qptr<Ui::IconButton> _topButton = { 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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BoxContentDivider(QWidget *parent, int height);
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protected:
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void paintEvent(QPaintEvent *e) override;
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};
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class BoxPointer {
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public:
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BoxPointer() = default;
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BoxPointer(const BoxPointer &other) = default;
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BoxPointer(BoxPointer &&other) : _value(base::take(other._value)) {
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}
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BoxPointer &operator=(const BoxPointer &other) {
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if (_value != other._value) {
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destroy();
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_value = other._value;
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}
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return *this;
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}
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BoxPointer &operator=(BoxPointer &&other) {
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if (_value != other._value) {
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destroy();
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_value = base::take(other._value);
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}
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return *this;
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}
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BoxPointer &operator=(BoxContent *other) {
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if (_value != other) {
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destroy();
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_value = other;
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}
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return *this;
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}
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~BoxPointer() {
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destroy();
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}
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private:
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void destroy() {
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if (const auto value = base::take(_value)) {
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value->closeBox();
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}
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}
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QPointer<BoxContent> _value;
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};
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