tdesktop/Telegram/SourceFiles/chat_helpers/emoji_suggestions_widget.h

105 lines
2.5 KiB
C++

/*
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/effects/panel_animation.h"
namespace Ui {
class InnerDropdown;
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);
void triggerSelectedRow();
void triggerRow(const Row &row);
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, not_null<QTextEdit*> field);
void raise();
void setReplaceCallback(Fn<void(
int from,
int till,
const QString &replacement)> callback);
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;
Fn<void(
int from,
int till,
const QString &replacement)> _replaceCallback;
object_ptr<InnerDropdown> _container;
QPointer<SuggestionsWidget> _suggestions;
};
} // namespace Emoji
} // namespace Ui