tdesktop/Telegram/SourceFiles/chat_helpers/emoji_suggestions_widget.h

116 lines
2.8 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/animations.h"
#include "ui/rp_widget.h"
#include "base/unique_qptr.h"
#include "base/timer.h"
#include <QtWidgets/QTextEdit>
namespace style {
struct EmojiSuggestions;
} // namespace style
namespace Main {
class Session;
} // namespace Main
namespace Ui {
class InnerDropdown;
class InputField;
} // namespace Ui
namespace Ui::Text {
class CustomEmoji;
} // namespace Ui::Text
namespace Ui::Emoji {
class SuggestionsWidget;
using SuggestionsQuery = std::variant<QString, EmojiPtr>;
class SuggestionsController {
public:
struct Options {
bool suggestExactFirstWord = true;
bool suggestCustomEmoji = false;
Fn<bool(not_null<DocumentData*>)> allowCustomWithoutPremium;
const style::EmojiSuggestions *st = nullptr;
};
SuggestionsController(
not_null<QWidget*> outer,
not_null<QTextEdit*> field,
not_null<Main::Session*> session,
const Options &options);
void raise();
void setReplaceCallback(Fn<void(
int from,
int till,
const QString &replacement,
const QString &customEmojiData)> callback);
static not_null<SuggestionsController*> Init(
not_null<QWidget*> outer,
not_null<Ui::InputField*> field,
not_null<Main::Session*> session) {
return Init(outer, field, session, {});
}
static not_null<SuggestionsController*> Init(
not_null<QWidget*> outer,
not_null<Ui::InputField*> field,
not_null<Main::Session*> session,
const Options &options);
private:
void handleCursorPositionChange();
void handleTextChange();
void showWithQuery(SuggestionsQuery query);
[[nodiscard]] SuggestionsQuery getEmojiQuery();
void suggestionsUpdated(bool visible);
void updateGeometry();
void updateForceHidden();
void replaceCurrent(
const QString &replacement,
const QString &customEmojiData);
bool fieldFilter(not_null<QEvent*> event);
bool outerFilter(not_null<QEvent*> event);
const style::EmojiSuggestions &_st;
bool _shown = false;
bool _forceHidden = false;
int _queryStartPosition = 0;
int _emojiQueryLength = 0;
bool _ignoreCursorPositionChange = false;
bool _textChangeAfterKeyPress = false;
QPointer<QTextEdit> _field;
const not_null<Main::Session*> _session;
Fn<void(
int from,
int till,
const QString &replacement,
const QString &customEmojiData)> _replaceCallback;
base::unique_qptr<InnerDropdown> _container;
QPointer<SuggestionsWidget> _suggestions;
base::unique_qptr<QObject> _fieldFilter;
base::unique_qptr<QObject> _outerFilter;
base::Timer _showExactTimer;
bool _keywordsRefreshed = false;
SuggestionsQuery _lastShownQuery;
Options _options;
rpl::lifetime _lifetime;
};
} // namespace Ui::Emoji