111 lines
2.9 KiB
C++
111 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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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 "ui/effects/panel_animation.h"
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namespace Ui {
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class InnerDropdown;
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class FlatTextarea;
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namespace Emoji {
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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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void showWithQuery(const QString &query);
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void handleKeyEvent(int key);
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base::Observable<bool> toggleAnimated;
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base::Observable<QString> triggered;
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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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private:
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class Row;
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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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not_null<const style::Menu*> _st;
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QString _query;
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std::vector<Row> _rows;
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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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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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void raise();
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protected:
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bool eventFilter(QObject *object, QEvent *event) override;
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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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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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} // namespace Emoji
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} // namespace Ui
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