mirror of
https://github.com/telegramdesktop/tdesktop
synced 2025-01-10 08:51:12 +00:00
154 lines
4.0 KiB
C++
154 lines
4.0 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) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include <QtWidgets/QTextEdit>
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#include "ui/style.h"
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#include "animation.h"
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class UserData;
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static UserData * const LookingUpInlineBot = SharedMemoryLocation<UserData, 0>();
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class FlatTextarea : public QTextEdit {
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Q_OBJECT
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T_WIDGET
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public:
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FlatTextarea(QWidget *parent, const style::flatTextarea &st, const QString &ph = QString(), const QString &val = QString());
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bool viewportEvent(QEvent *e);
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void touchEvent(QTouchEvent *e);
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void paintEvent(QPaintEvent *e);
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void focusInEvent(QFocusEvent *e);
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void focusOutEvent(QFocusEvent *e);
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void keyPressEvent(QKeyEvent *e);
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void resizeEvent(QResizeEvent *e);
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void mousePressEvent(QMouseEvent *e);
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void dropEvent(QDropEvent *e);
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void contextMenuEvent(QContextMenuEvent *e);
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void setMaxLength(int32 maxLength);
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void setMinHeight(int32 minHeight);
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void setMaxHeight(int32 maxHeight);
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const QString &getLastText() const {
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return _oldtext;
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}
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void setPlaceholder(const QString &ph, int32 afterSymbols = 0);
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void updatePlaceholder();
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void finishPlaceholder();
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QRect getTextRect() const;
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int32 fakeMargin() const;
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void step_appearance(float64 ms, bool timer);
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QSize sizeHint() const;
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QSize minimumSizeHint() const;
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EmojiPtr getSingleEmoji() const;
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QString getMentionHashtagBotCommandPart(bool &start) const;
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QString getInlineBotQuery(UserData *&contextBot, QString &contextBotUsername) const;
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void removeSingleEmoji();
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bool hasText() const;
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bool isUndoAvailable() const;
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bool isRedoAvailable() const;
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void parseLinks();
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QStringList linksList() const;
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void insertFromMimeData(const QMimeData *source);
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QMimeData *createMimeDataFromSelection() const;
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void setCtrlEnterSubmit(bool ctrlEnterSubmit);
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void setTextFast(const QString &text, bool clearUndoHistory = true);
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public slots:
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void onTouchTimer();
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void onDocumentContentsChange(int position, int charsRemoved, int charsAdded);
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void onDocumentContentsChanged();
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void onUndoAvailable(bool avail);
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void onRedoAvailable(bool avail);
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void onMentionHashtagOrBotCommandInsert(QString str);
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signals:
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void resized();
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void changed();
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void submitted(bool ctrlShiftEnter);
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void cancelled();
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void tabbed();
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void spacedReturnedPasted();
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void linksChanged();
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protected:
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QString getText(int32 start = 0, int32 end = -1) const;
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virtual void correctValue(const QString &was, QString &now);
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void insertEmoji(EmojiPtr emoji, QTextCursor c);
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QVariant loadResource(int type, const QUrl &name);
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void checkContentHeight();
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private:
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void getSingleEmojiFragment(QString &text, QTextFragment &fragment) const;
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void processDocumentContentsChange(int position, int charsAdded);
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bool heightAutoupdated();
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int32 _minHeight, _maxHeight; // < 0 - no autosize
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int32 _maxLength;
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bool _ctrlEnterSubmit;
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QString _ph, _phelided, _oldtext;
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int32 _phAfter;
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bool _phVisible;
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anim::ivalue a_phLeft;
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anim::fvalue a_phAlpha;
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anim::cvalue a_phColor;
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Animation _a_appearance;
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style::flatTextarea _st;
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bool _undoAvailable, _redoAvailable, _inDrop, _inHeightCheck;
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int32 _fakeMargin;
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QTimer _touchTimer;
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bool _touchPress, _touchRightButton, _touchMove;
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QPoint _touchStart;
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bool _correcting;
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typedef QPair<int, int> LinkRange;
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typedef QList<LinkRange> LinkRanges;
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LinkRanges _links;
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};
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