tdesktop/Telegram/SourceFiles/history/field_autocomplete.h

200 lines
5.2 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) 2014-2016 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "ui/twidget.h"
#include "ui/boxshadow.h"
namespace internal {
using MentionRows = QList<UserData*>;
using HashtagRows = QList<QString>;
using BotCommandRows = QList<QPair<UserData*, const BotCommand*>>;
class FieldAutocompleteInner;
} // namespace internal
class FieldAutocomplete final : public TWidget {
Q_OBJECT
public:
FieldAutocomplete(QWidget *parent);
void fastHide();
bool clearFilteredBotCommands();
void showFiltered(PeerData *peer, QString query, bool addInlineBots);
void showStickers(EmojiPtr emoji);
void setBoundings(QRect boundings);
void step_appearance(float64 ms, bool timer);
const QString &filter() const;
ChatData *chat() const;
ChannelData *channel() const;
UserData *user() const;
int32 innerTop();
int32 innerBottom();
bool eventFilter(QObject *obj, QEvent *e) override;
enum class ChooseMethod {
ByEnter,
ByTab,
ByClick,
};
bool chooseSelected(ChooseMethod method) const;
bool stickersShown() const {
return !_srows.isEmpty();
}
bool overlaps(const QRect &globalRect) {
if (isHidden() || !testAttribute(Qt::WA_OpaquePaintEvent)) return false;
return rect().contains(QRect(mapFromGlobal(globalRect.topLeft()), globalRect.size()));
}
~FieldAutocomplete();
signals:
void mentionChosen(UserData *user, FieldAutocomplete::ChooseMethod method) const;
void hashtagChosen(QString hashtag, FieldAutocomplete::ChooseMethod method) const;
void botCommandChosen(QString command, FieldAutocomplete::ChooseMethod method) const;
void stickerChosen(DocumentData *sticker, FieldAutocomplete::ChooseMethod method) const;
void moderateKeyActivate(int key, bool *outHandled) const;
public slots:
void hideStart();
void hideFinish();
void showStart();
private:
void paintEvent(QPaintEvent *e) override;
void updateFiltered(bool resetScroll = false);
void recount(bool resetScroll = false);
QPixmap _cache;
internal::MentionRows _mrows;
internal::HashtagRows _hrows;
internal::BotCommandRows _brows;
StickerPack _srows;
void rowsUpdated(const internal::MentionRows &mrows, const internal::HashtagRows &hrows, const internal::BotCommandRows &brows, const StickerPack &srows, bool resetScroll);
ChildWidget<ScrollArea> _scroll;
ChildWidget<internal::FieldAutocompleteInner> _inner;
ChatData *_chat;
UserData *_user;
ChannelData *_channel;
EmojiPtr _emoji;
enum class Type {
Mentions,
Hashtags,
BotCommands,
Stickers,
};
Type _type = Type::Mentions;
QString _filter;
QRect _boundings;
bool _addInlineBots;
int32 _width, _height;
bool _hiding;
anim::fvalue a_opacity;
Animation _a_appearance;
QTimer _hideTimer;
BoxShadow _shadow;
friend class internal::FieldAutocompleteInner;
};
namespace internal {
class FieldAutocompleteInner final : public TWidget {
Q_OBJECT
public:
FieldAutocompleteInner(FieldAutocomplete *parent, MentionRows *mrows, HashtagRows *hrows, BotCommandRows *brows, StickerPack *srows);
void clearSel(bool hidden = false);
bool moveSel(int key);
bool chooseSelected(FieldAutocomplete::ChooseMethod method) const;
void setRecentInlineBotsInRows(int32 bots);
~FieldAutocompleteInner();
signals:
void mentionChosen(UserData *user, FieldAutocomplete::ChooseMethod method) const;
void hashtagChosen(QString hashtag, FieldAutocomplete::ChooseMethod method) const;
void botCommandChosen(QString command, FieldAutocomplete::ChooseMethod method) const;
void stickerChosen(DocumentData *sticker, FieldAutocomplete::ChooseMethod method) const;
void mustScrollTo(int scrollToTop, int scrollToBottom);
public slots:
void onParentGeometryChanged();
void onUpdateSelected(bool force = false);
void onPreview();
private:
void paintEvent(QPaintEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
void enterEvent(QEvent *e) override;
void leaveEvent(QEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void updateSelectedRow();
void setSel(int sel, bool scroll = false);
FieldAutocomplete *_parent;
MentionRows *_mrows;
HashtagRows *_hrows;
BotCommandRows *_brows;
StickerPack *_srows;
int32 _stickersPerRow, _recentInlineBotsInRows;
int32 _sel, _down;
bool _mouseSel;
QPoint _mousePos;
bool _overDelete;
bool _previewShown;
QTimer _previewTimer;
};
} // namespace internal