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Telegram/SourceFiles/inline_bots/inline_results_widget.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "ui/rp_widget.h"
+#include "ui/abstract_button.h"
+#include "ui/cached_round_corners.h"
+#include "ui/widgets/tooltip.h"
+#include "ui/effects/animations.h"
+#include "ui/effects/panel_animation.h"
+#include "base/timer.h"
+#include "mtproto/sender.h"
+#include "inline_bots/inline_bot_layout_item.h"
+
+namespace Api {
+struct SendOptions;
+} // namespace Api
+
+namespace Ui {
+class ScrollArea;
+class IconButton;
+class LinkButton;
+class RoundButton;
+class FlatLabel;
+class RippleAnimation;
+class PopupMenu;
+} // namespace Ui
+
+namespace Dialogs {
+struct EntryState;
+} // namespace Dialogs
+
+namespace Window {
+class SessionController;
+} // namespace Window
+
+namespace InlineBots {
+class Result;
+struct ResultSelected;
+} // namespace InlineBots
+
+namespace SendMenu {
+struct Details;
+} // namespace SendMenu
+
+namespace InlineBots {
+namespace Layout {
+
+struct CacheEntry;
+class Inner;
+
+class Widget : public Ui::RpWidget {
+public:
+	Widget(QWidget *parent, not_null<Window::SessionController*> controller);
+	~Widget();
+
+	void moveBottom(int bottom);
+
+	void hideFast();
+	bool hiding() const {
+		return _hiding;
+	}
+
+	void queryInlineBot(UserData *bot, PeerData *peer, QString query);
+	void clearInlineBot();
+
+	bool overlaps(const QRect &globalRect) const;
+
+	void showAnimated();
+	void hideAnimated();
+
+	void setResultSelectedCallback(Fn<void(ResultSelected)> callback);
+	void setSendMenuDetails(Fn<SendMenu::Details()> &&callback);
+
+	[[nodiscard]] rpl::producer<bool> requesting() const {
+		return _requesting.events();
+	}
+
+protected:
+	void paintEvent(QPaintEvent *e) override;
+
+private:
+	void moveByBottom();
+	void paintContent(QPainter &p);
+
+	style::margins innerPadding() const;
+
+	void onScroll();
+	void onInlineRequest();
+
+	// Rounded rect which has shadow around it.
+	QRect innerRect() const;
+
+	// Inner rect with removed st::roundRadiusSmall from top and bottom.
+	// This one is allowed to be not rounded.
+	QRect horizontalRect() const;
+
+	// Inner rect with removed st::roundRadiusSmall from left and right.
+	// This one is allowed to be not rounded.
+	QRect verticalRect() const;
+
+	QImage grabForPanelAnimation();
+	void startShowAnimation();
+	void startOpacityAnimation(bool hiding);
+	void prepareCache();
+
+	class Container;
+	void opacityAnimationCallback();
+
+	void hideFinished();
+	void showStarted();
+
+	void updateContentHeight();
+
+	void inlineBotChanged();
+	int showInlineRows(bool newResults);
+	void recountContentMaxHeight();
+	bool refreshInlineRows(int *added = nullptr);
+	void inlineResultsDone(const MTPmessages_BotResults &result);
+
+	const not_null<Window::SessionController*> _controller;
+	MTP::Sender _api;
+
+	int _contentMaxHeight = 0;
+	int _contentHeight = 0;
+
+	int _width = 0;
+	int _height = 0;
+	int _bottom = 0;
+
+	std::unique_ptr<Ui::PanelAnimation> _showAnimation;
+	Ui::Animations::Simple _a_show;
+
+	bool _hiding = false;
+	QPixmap _cache;
+	Ui::Animations::Simple _a_opacity;
+	bool _inPanelGrab = false;
+
+	object_ptr<Ui::ScrollArea> _scroll;
+	QPointer<Inner> _inner;
+	Ui::CornersPixmaps _innerRounding;
+
+	std::map<QString, std::unique_ptr<CacheEntry>> _inlineCache;
+	base::Timer _inlineRequestTimer;
+
+	UserData *_inlineBot = nullptr;
+	PeerData *_inlineQueryPeer = nullptr;
+	QString _inlineQuery, _inlineNextQuery, _inlineNextOffset;
+	mtpRequestId _inlineRequestId = 0;
+
+	rpl::event_stream<bool> _requesting;
+
+};
+
+} // namespace Layout
+} // namespace InlineBots