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tdesktop/Telegram/SourceFiles/chat_helpers/emoji_suggestions_widget.h
John Preston 9bf40c927e Improve emoji suggestions and replace on send.
Bring recent emoji up in suggestions.
Apply saved skin color to emoji suggestions.
Write to recents when choosing emoji suggestion.
2017-07-26 15:55:04 +03:00

109 lines
2.9 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "ui/effects/panel_animation.h"
namespace Ui {
class InnerDropdown;
class FlatTextarea;
namespace Emoji {
class SuggestionsWidget : public TWidget {
public:
SuggestionsWidget(QWidget *parent, const style::Menu &st);
void showWithQuery(const QString &query);
void handleKeyEvent(int key);
base::Observable<bool> toggleAnimated;
base::Observable<QString> triggered;
protected:
void paintEvent(QPaintEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void enterEventHook(QEvent *e) override;
void leaveEventHook(QEvent *e) override;
private:
class Row;
std::vector<Row> getRowsByQuery() const;
void resizeToRows();
int countWidth(const Row &row);
void setSelected(int selected);
void setPressed(int pressed);
void clearMouseSelection();
void clearSelection();
void updateSelectedItem();
int itemTop(int index);
void updateItem(int index);
void updateSelection(QPoint globalPosition);
gsl::not_null<const style::Menu*> _st;
QString _query;
std::vector<Row> _rows;
int _rowHeight = 0;
bool _mouseSelection = false;
int _selected = -1;
int _pressed = -1;
};
class SuggestionsController : public QObject, private base::Subscriber {
public:
SuggestionsController(QWidget *parent, gsl::not_null<QTextEdit*> field);
void raise();
protected:
bool eventFilter(QObject *object, QEvent *event) override;
private:
void handleCursorPositionChange();
void handleTextChange();
QString getEmojiQuery();
void suggestionsUpdated(bool visible);
void updateGeometry();
void updateForceHidden();
void replaceCurrent(const QString &replacement);
bool _shown = false;
bool _forceHidden = false;
int _queryStartPosition = 0;
bool _ignoreCursorPositionChange = false;
bool _textChangeAfterKeyPress = false;
QPointer<QTextEdit> _field;
object_ptr<InnerDropdown> _container;
QPointer<SuggestionsWidget> _suggestions;
};
} // namespace Emoji
} // namespace Ui