110 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
	
		
			2.9 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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| #include "ui/effects/panel_animation.h"
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| 
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| namespace Ui {
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| 
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| class InnerDropdown;
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| class FlatTextarea;
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| 
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| namespace Emoji {
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| 
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| class SuggestionsWidget : public TWidget {
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| public:
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| 	SuggestionsWidget(QWidget *parent, const style::Menu &st);
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| 
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| 	void showWithQuery(const QString &query);
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| 	void handleKeyEvent(int key);
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| 
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| 	base::Observable<bool> toggleAnimated;
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| 	base::Observable<QString> triggered;
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| 
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| protected:
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| 	void paintEvent(QPaintEvent *e) override;
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| 	void keyPressEvent(QKeyEvent *e) override;
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| 	void mouseMoveEvent(QMouseEvent *e) override;
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| 	void mousePressEvent(QMouseEvent *e) override;
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| 	void mouseReleaseEvent(QMouseEvent *e) override;
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| 	void enterEventHook(QEvent *e) override;
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| 	void leaveEventHook(QEvent *e) override;
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| 
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| private:
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| 	class Row;
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| 
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| 	std::vector<Row> getRowsByQuery() const;
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| 	void resizeToRows();
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| 	int countWidth(const Row &row);
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| 	void setSelected(int selected);
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| 	void setPressed(int pressed);
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| 	void clearMouseSelection();
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| 	void clearSelection();
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| 	void updateSelectedItem();
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| 	int itemTop(int index);
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| 	void updateItem(int index);
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| 	void updateSelection(QPoint globalPosition);
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| 	void triggerSelectedRow();
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| 	void triggerRow(const Row &row);
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| 
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| 	not_null<const style::Menu*> _st;
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| 
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| 	QString _query;
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| 	std::vector<Row> _rows;
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| 
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| 	int _rowHeight = 0;
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| 	bool _mouseSelection = false;
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| 	int _selected = -1;
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| 	int _pressed = -1;
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| 
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| };
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| 
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| class SuggestionsController : public QObject, private base::Subscriber {
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| public:
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| 	SuggestionsController(QWidget *parent, not_null<QTextEdit*> field);
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| 
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| 	void raise();
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| 
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| protected:
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| 	bool eventFilter(QObject *object, QEvent *event) override;
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| 
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| private:
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| 	void handleCursorPositionChange();
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| 	void handleTextChange();
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| 	QString getEmojiQuery();
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| 	void suggestionsUpdated(bool visible);
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| 	void updateGeometry();
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| 	void updateForceHidden();
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| 	void replaceCurrent(const QString &replacement);
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| 
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| 	bool _shown = false;
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| 	bool _forceHidden = false;
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| 	int _queryStartPosition = 0;
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| 	bool _ignoreCursorPositionChange = false;
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| 	bool _textChangeAfterKeyPress = false;
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| 	QPointer<QTextEdit> _field;
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| 	object_ptr<InnerDropdown> _container;
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| 	QPointer<SuggestionsWidget> _suggestions;
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| 
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| };
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| 
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| } // namespace Emoji
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| } // namespace Ui
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