tdesktop/Telegram/SourceFiles/ui/widgets/input_fields.h

911 lines
23 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 "styles/style_widgets.h"
class UserData;
namespace Ui {
static UserData * const LookingUpInlineBot = SharedMemoryLocation<UserData, 0>();
class FlatTextarea : public TWidgetHelper<QTextEdit>, private base::Subscriber {
Q_OBJECT
public:
using TagList = TextWithTags::Tags;
static QByteArray serializeTagsList(const TagList &tags);
static TagList deserializeTagsList(QByteArray data, int textLength);
static QString tagsMimeType();
FlatTextarea(QWidget *parent, const style::FlatTextarea &st, base::lambda<QString()> placeholderFactory = base::lambda<QString()>(), const QString &val = QString(), const TagList &tags = TagList());
void setMaxLength(int maxLength);
void setMinHeight(int minHeight);
void setMaxHeight(int maxHeight);
void setPlaceholder(base::lambda<QString()> placeholderFactory, int afterSymbols = 0);
void updatePlaceholder();
void finishPlaceholder();
QRect getTextRect() const;
int fakeMargin() const;
QSize sizeHint() const override;
QSize minimumSizeHint() const override;
EmojiPtr getSingleEmoji() const;
QString getMentionHashtagBotCommandPart(bool &start) const;
// Get the current inline bot and request string for it.
// The *outInlineBot can be filled by LookingUpInlineBot shared ptr.
// In that case the caller should lookup the bot by *outInlineBotUsername.
QString getInlineBotQuery(UserData **outInlineBot, QString *outInlineBotUsername) const;
void removeSingleEmoji();
bool hasText() const;
bool isUndoAvailable() const;
bool isRedoAvailable() const;
void parseLinks();
QStringList linksList() const;
void insertFromMimeData(const QMimeData *source) override;
QMimeData *createMimeDataFromSelection() const override;
enum class SubmitSettings {
None,
Enter,
CtrlEnter,
Both,
};
void setSubmitSettings(SubmitSettings settings);
const TextWithTags &getTextWithTags() const {
return _lastTextWithTags;
}
TextWithTags getTextWithTagsPart(int start, int end = -1);
void insertTag(const QString &text, QString tagId = QString());
bool isEmpty() const {
return _lastTextWithTags.text.isEmpty();
}
enum UndoHistoryAction {
AddToUndoHistory,
MergeWithUndoHistory,
ClearUndoHistory
};
void setTextWithTags(const TextWithTags &textWithTags, UndoHistoryAction undoHistoryAction = AddToUndoHistory);
// If you need to make some preparations of tags before putting them to QMimeData
// (and then to clipboard or to drag-n-drop object), here is a strategy for that.
class TagMimeProcessor {
public:
virtual QString mimeTagFromTag(const QString &tagId) = 0;
virtual QString tagFromMimeTag(const QString &mimeTag) = 0;
virtual ~TagMimeProcessor() {
}
};
void setTagMimeProcessor(std::unique_ptr<TagMimeProcessor> &&processor);
public slots:
void onTouchTimer();
void onDocumentContentsChange(int position, int charsRemoved, int charsAdded);
void onDocumentContentsChanged();
void onUndoAvailable(bool avail);
void onRedoAvailable(bool avail);
signals:
void resized();
void changed();
void submitted(bool ctrlShiftEnter);
void cancelled();
void tabbed();
void spacedReturnedPasted();
void linksChanged();
protected:
bool viewportEvent(QEvent *e) override;
void touchEvent(QTouchEvent *e);
void paintEvent(QPaintEvent *e) override;
void focusInEvent(QFocusEvent *e) override;
void focusOutEvent(QFocusEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void dropEvent(QDropEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
virtual void correctValue(const QString &was, QString &now, TagList &nowTags) {
}
void insertEmoji(EmojiPtr emoji, QTextCursor c);
QVariant loadResource(int type, const QUrl &name) override;
void checkContentHeight();
private:
void updatePalette();
void refreshPlaceholder();
// "start" and "end" are in coordinates of text where emoji are replaced
// by ObjectReplacementCharacter. If "end" = -1 means get text till the end.
QString getTextPart(int start, int end, TagList *outTagsList, bool *outTagsChanged = nullptr) const;
void getSingleEmojiFragment(QString &text, QTextFragment &fragment) const;
// After any characters added we must postprocess them. This includes:
// 1. Replacing font family to semibold for ~ characters, if we used Open Sans 13px.
// 2. Replacing font family from semibold for all non-~ characters, if we used ...
// 3. Replacing emoji code sequences by ObjectReplacementCharacters with emoji pics.
// 4. Interrupting tags in which the text was inserted by any char except a letter.
// 5. Applying tags from "_insertedTags" in case we pasted text with tags, not just text.
// Rule 4 applies only if we inserted chars not in the middle of a tag (but at the end).
void processFormatting(int changedPosition, int changedEnd);
bool heightAutoupdated();
int placeholderSkipWidth() const;
int _minHeight = -1; // < 0 - no autosize
int _maxHeight = -1;
int _maxLength = -1;
SubmitSettings _submitSettings = SubmitSettings::Enter;
QString _placeholder;
base::lambda<QString()> _placeholderFactory;
int _placeholderAfterSymbols = 0;
bool _focused = false;
bool _placeholderVisible = true;
Animation _a_placeholderFocused;
Animation _a_placeholderVisible;
TextWithTags _lastTextWithTags;
// Tags list which we should apply while setText() call or insert from mime data.
TagList _insertedTags;
bool _insertedTagsAreFromMime;
// Override insert position and charsAdded from complex text editing
// (like drag-n-drop in the same text edit field).
int _realInsertPosition = -1;
int _realCharsAdded = 0;
std::unique_ptr<TagMimeProcessor> _tagMimeProcessor;
const style::FlatTextarea &_st;
bool _undoAvailable = false;
bool _redoAvailable = false;
bool _inDrop = false;
bool _inHeightCheck = false;
int _fakeMargin = 0;
QTimer _touchTimer;
bool _touchPress = false;
bool _touchRightButton = false;
bool _touchMove = false;
QPoint _touchStart;
bool _correcting = false;
struct LinkRange {
int start;
int length;
};
friend bool operator==(const LinkRange &a, const LinkRange &b);
friend bool operator!=(const LinkRange &a, const LinkRange &b);
using LinkRanges = QVector<LinkRange>;
LinkRanges _links;
};
inline bool operator==(const FlatTextarea::LinkRange &a, const FlatTextarea::LinkRange &b) {
return (a.start == b.start) && (a.length == b.length);
}
inline bool operator!=(const FlatTextarea::LinkRange &a, const FlatTextarea::LinkRange &b) {
return !(a == b);
}
class FlatInput : public TWidgetHelper<QLineEdit>, private base::Subscriber {
Q_OBJECT
public:
FlatInput(QWidget *parent, const style::FlatInput &st, base::lambda<QString()> placeholderFactory = base::lambda<QString()>(), const QString &val = QString());
void updatePlaceholder();
void setPlaceholder(base::lambda<QString()> placeholderFactory);
QRect placeholderRect() const;
void setTextMrg(const QMargins &textMrg);
QRect getTextRect() const;
QSize sizeHint() const override;
QSize minimumSizeHint() const override;
void customUpDown(bool isCustom);
const QString &getLastText() const {
return _oldtext;
}
public slots:
void onTextChange(const QString &text);
void onTextEdited();
void onTouchTimer();
signals:
void changed();
void cancelled();
void submitted(bool ctrlShiftEnter);
void focused();
void blurred();
protected:
bool event(QEvent *e) override;
void touchEvent(QTouchEvent *e);
void paintEvent(QPaintEvent *e) override;
void focusInEvent(QFocusEvent *e) override;
void focusOutEvent(QFocusEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
void inputMethodEvent(QInputMethodEvent *e) override;
virtual void correctValue(const QString &was, QString &now);
style::font phFont() {
return _st.font;
}
void phPrepare(Painter &p, float64 placeholderFocused);
private:
void updatePalette();
void refreshPlaceholder();
QString _oldtext;
QString _placeholder;
base::lambda<QString()> _placeholderFactory;
bool _customUpDown = false;
bool _focused = false;
bool _placeholderVisible = true;
Animation _a_placeholderFocused;
Animation _a_placeholderVisible;
bool _lastPreEditTextNotEmpty = false;
const style::FlatInput &_st;
QMargins _textMrg;
QTimer _touchTimer;
bool _touchPress, _touchRightButton, _touchMove;
QPoint _touchStart;
};
enum class CtrlEnterSubmit {
Enter,
CtrlEnter,
Both,
};
class InputArea : public TWidget, private base::Subscriber {
Q_OBJECT
public:
InputArea(QWidget *parent, const style::InputField &st, base::lambda<QString()> placeholderFactory = base::lambda<QString()>(), const QString &val = QString());
void showError();
void setMaxLength(int maxLength) {
_maxLength = maxLength;
}
const QString &getLastText() const {
return _oldtext;
}
void setPlaceholder(base::lambda<QString()> placeholderFactory);
void setDisplayFocused(bool focused);
void finishAnimations();
void setFocusFast() {
setDisplayFocused(true);
setFocus();
}
QSize sizeHint() const override;
QSize minimumSizeHint() const override;
QString getText(int start = 0, int end = -1) const;
bool hasText() const;
bool isUndoAvailable() const;
bool isRedoAvailable() const;
void customUpDown(bool isCustom);
void setCtrlEnterSubmit(CtrlEnterSubmit ctrlEnterSubmit);
void setTextCursor(const QTextCursor &cursor) {
return _inner->setTextCursor(cursor);
}
QTextCursor textCursor() const {
return _inner->textCursor();
}
void setText(const QString &text) {
_inner->setText(text);
startPlaceholderAnimation();
}
void clear() {
_inner->clear();
startPlaceholderAnimation();
}
bool hasFocus() const {
return _inner->hasFocus();
}
void setFocus() {
_inner->setFocus();
}
void clearFocus() {
_inner->clearFocus();
}
private slots:
void onTouchTimer();
void onDocumentContentsChange(int position, int charsRemoved, int charsAdded);
void onDocumentContentsChanged();
void onUndoAvailable(bool avail);
void onRedoAvailable(bool avail);
void onFocusInner();
signals:
void changed();
void submitted(bool ctrlShiftEnter);
void cancelled();
void tabbed();
void focused();
void blurred();
void resized();
protected:
void startPlaceholderAnimation();
void startBorderAnimation();
void insertEmoji(EmojiPtr emoji, QTextCursor c);
TWidget *tparent() {
return qobject_cast<TWidget*>(parentWidget());
}
const TWidget *tparent() const {
return qobject_cast<const TWidget*>(parentWidget());
}
void touchEvent(QTouchEvent *e);
void paintEvent(QPaintEvent *e) override;
void focusInEvent(QFocusEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
private:
class Inner : public QTextEdit {
public:
Inner(InputArea *parent);
QVariant loadResource(int type, const QUrl &name) override;
protected:
bool viewportEvent(QEvent *e) override;
void focusInEvent(QFocusEvent *e) override;
void focusOutEvent(QFocusEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
QMimeData *createMimeDataFromSelection() const override;
private:
InputArea *f() const {
return static_cast<InputArea*>(parentWidget());
}
friend class InputArea;
};
friend class Inner;
void updatePalette();
void refreshPlaceholder();
bool heightAutoupdated();
void checkContentHeight();
void setErrorShown(bool error);
void focusInInner(bool focusByMouse);
void focusOutInner();
void setFocused(bool focused);
void processDocumentContentsChange(int position, int charsAdded);
const style::InputField &_st;
int _maxLength = -1;
object_ptr<Inner> _inner;
QString _oldtext;
CtrlEnterSubmit _ctrlEnterSubmit = CtrlEnterSubmit::CtrlEnter;
bool _undoAvailable = false;
bool _redoAvailable = false;
bool _inHeightCheck = false;
bool _customUpDown = false;
QString _placeholder;
base::lambda<QString()> _placeholderFactory;
Animation _a_placeholderShifted;
bool _placeholderShifted = false;
QPainterPath _placeholderPath;
Animation _a_borderShown;
int _borderAnimationStart = 0;
Animation _a_borderOpacity;
bool _borderVisible = false;
Animation _a_focused;
Animation _a_error;
bool _focused = false;
bool _error = false;
QTimer _touchTimer;
bool _touchPress = false;
bool _touchRightButton = false;
bool _touchMove = false;
QPoint _touchStart;
bool _correcting = false;
};
class InputField : public TWidget, private base::Subscriber {
Q_OBJECT
public:
InputField(QWidget *parent, const style::InputField &st, base::lambda<QString()> placeholderFactory = base::lambda<QString()>(), const QString &val = QString());
void setMaxLength(int maxLength) {
_maxLength = maxLength;
}
void showError();
const QString &getLastText() const {
return _oldtext;
}
void setPlaceholder(base::lambda<QString()> placeholderFactory);
void setPlaceholderHidden(bool forcePlaceholderHidden);
void setDisplayFocused(bool focused);
void finishAnimations();
void setFocusFast() {
setDisplayFocused(true);
setFocus();
}
QSize sizeHint() const override;
QSize minimumSizeHint() const override;
QString getText(int start = 0, int end = -1) const;
bool hasText() const;
bool isUndoAvailable() const;
bool isRedoAvailable() const;
void customUpDown(bool isCustom);
void setTextCursor(const QTextCursor &cursor) {
return _inner->setTextCursor(cursor);
}
QTextCursor textCursor() const {
return _inner->textCursor();
}
void setText(const QString &text) {
_inner->setText(text);
startPlaceholderAnimation();
}
void clear() {
_inner->clear();
startPlaceholderAnimation();
}
bool hasFocus() const {
return _inner->hasFocus();
}
void setFocus() {
_inner->setFocus();
auto cursor = _inner->textCursor();
cursor.movePosition(QTextCursor::End);
_inner->setTextCursor(cursor);
}
void clearFocus() {
_inner->clearFocus();
}
void setCursorPosition(int pos) {
auto cursor = _inner->textCursor();
cursor.setPosition(pos);
_inner->setTextCursor(cursor);
}
public slots:
void selectAll();
private slots:
void onTouchTimer();
void onDocumentContentsChange(int position, int charsRemoved, int charsAdded);
void onDocumentContentsChanged();
void onUndoAvailable(bool avail);
void onRedoAvailable(bool avail);
void onFocusInner();
signals:
void changed();
void submitted(bool ctrlShiftEnter);
void cancelled();
void tabbed();
void focused();
void blurred();
protected:
void startPlaceholderAnimation();
void startBorderAnimation();
void insertEmoji(EmojiPtr emoji, QTextCursor c);
TWidget *tparent() {
return qobject_cast<TWidget*>(parentWidget());
}
const TWidget *tparent() const {
return qobject_cast<const TWidget*>(parentWidget());
}
void touchEvent(QTouchEvent *e);
void paintEvent(QPaintEvent *e) override;
void focusInEvent(QFocusEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
private:
class Inner : public QTextEdit {
public:
Inner(InputField *parent);
QVariant loadResource(int type, const QUrl &name) override;
protected:
bool viewportEvent(QEvent *e) override;
void focusInEvent(QFocusEvent *e) override;
void focusOutEvent(QFocusEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
QMimeData *createMimeDataFromSelection() const override;
private:
InputField *f() const {
return static_cast<InputField*>(parentWidget());
}
friend class InputField;
};
friend class Inner;
void updatePalette();
void refreshPlaceholder();
void setErrorShown(bool error);
void focusInInner(bool focusByMouse);
void focusOutInner();
void setFocused(bool focused);
void processDocumentContentsChange(int position, int charsAdded);
const style::InputField &_st;
int _maxLength = -1;
bool _forcePlaceholderHidden = false;
object_ptr<Inner> _inner;
QString _oldtext;
bool _undoAvailable = false;
bool _redoAvailable = false;
bool _customUpDown = true;
QString _placeholder;
base::lambda<QString()> _placeholderFactory;
Animation _a_placeholderShifted;
bool _placeholderShifted = false;
QPainterPath _placeholderPath;
Animation _a_borderShown;
int _borderAnimationStart = 0;
Animation _a_borderOpacity;
bool _borderVisible = false;
Animation _a_focused;
Animation _a_error;
bool _focused = false;
bool _error = false;
QTimer _touchTimer;
bool _touchPress = false;
bool _touchRightButton = false;
bool _touchMove = false;
QPoint _touchStart;
bool _correcting = false;
};
class MaskedInputField : public TWidgetHelper<QLineEdit>, private base::Subscriber {
Q_OBJECT
public:
MaskedInputField(QWidget *parent, const style::InputField &st, base::lambda<QString()> placeholderFactory = base::lambda<QString()>(), const QString &val = QString());
void showError();
QRect getTextRect() const;
QSize sizeHint() const override;
QSize minimumSizeHint() const override;
void customUpDown(bool isCustom);
const QString &getLastText() const {
return _oldtext;
}
void setPlaceholder(base::lambda<QString()> placeholderFactory);
void setPlaceholderHidden(bool forcePlaceholderHidden);
void setDisplayFocused(bool focused);
void finishAnimations();
void setFocusFast() {
setDisplayFocused(true);
setFocus();
}
void setText(const QString &text) {
QLineEdit::setText(text);
startPlaceholderAnimation();
}
void clear() {
QLineEdit::clear();
startPlaceholderAnimation();
}
public slots:
void onTextChange(const QString &text);
void onCursorPositionChanged(int oldPosition, int position);
void onTextEdited();
void onTouchTimer();
signals:
void changed();
void cancelled();
void submitted(bool ctrlShiftEnter);
void focused();
void blurred();
protected:
QString getDisplayedText() const {
auto result = getLastText();
if (!_lastPreEditText.isEmpty()) {
result = result.mid(0, _oldcursor) + _lastPreEditText + result.mid(_oldcursor);
}
return result;
}
void startBorderAnimation();
void startPlaceholderAnimation();
bool event(QEvent *e) override;
void touchEvent(QTouchEvent *e);
void paintEvent(QPaintEvent *e) override;
void focusInEvent(QFocusEvent *e) override;
void focusOutEvent(QFocusEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
void contextMenuEvent(QContextMenuEvent *e) override;
void inputMethodEvent(QInputMethodEvent *e) override;
virtual void correctValue(const QString &was, int wasCursor, QString &now, int &nowCursor) {
}
void setCorrectedText(QString &now, int &nowCursor, const QString &newText, int newPos);
virtual void paintAdditionalPlaceholder(Painter &p, TimeMs ms) {
}
style::font phFont() {
return _st.font;
}
void placeholderAdditionalPrepare(Painter &p, TimeMs ms);
QRect placeholderRect() const;
void setTextMargins(const QMargins &mrg);
const style::InputField &_st;
private:
void updatePalette();
void refreshPlaceholder();
void setErrorShown(bool error);
void setFocused(bool focused);
int _maxLength = -1;
bool _forcePlaceholderHidden = false;
QString _oldtext;
int _oldcursor = 0;
QString _lastPreEditText;
bool _undoAvailable = false;
bool _redoAvailable = false;
bool _customUpDown = false;
QString _placeholder;
base::lambda<QString()> _placeholderFactory;
Animation _a_placeholderShifted;
bool _placeholderShifted = false;
QPainterPath _placeholderPath;
Animation _a_borderShown;
int _borderAnimationStart = 0;
Animation _a_borderOpacity;
bool _borderVisible = false;
Animation _a_focused;
Animation _a_error;
bool _focused = false;
bool _error = false;
style::margins _textMargins;
QTimer _touchTimer;
bool _touchPress = false;
bool _touchRightButton = false;
bool _touchMove = false;
QPoint _touchStart;
};
class CountryCodeInput : public MaskedInputField {
Q_OBJECT
public:
CountryCodeInput(QWidget *parent, const style::InputField &st);
public slots:
void startErasing(QKeyEvent *e);
void codeSelected(const QString &code);
signals:
void codeChanged(const QString &code);
void addedToNumber(const QString &added);
protected:
void correctValue(const QString &was, int wasCursor, QString &now, int &nowCursor) override;
private:
bool _nosignal;
};
class PhonePartInput : public MaskedInputField {
Q_OBJECT
public:
PhonePartInput(QWidget *parent, const style::InputField &st);
public slots:
void addedToNumber(const QString &added);
void onChooseCode(const QString &code);
signals:
void voidBackspace(QKeyEvent *e);
protected:
void keyPressEvent(QKeyEvent *e) override;
void correctValue(const QString &was, int wasCursor, QString &now, int &nowCursor) override;
void paintAdditionalPlaceholder(Painter &p, TimeMs ms) override;
private:
QVector<int> _pattern;
QString _additionalPlaceholder;
};
class PasswordInput : public MaskedInputField {
public:
PasswordInput(QWidget *parent, const style::InputField &st, base::lambda<QString()> placeholderFactory = base::lambda<QString()>(), const QString &val = QString());
};
class PortInput : public MaskedInputField {
public:
PortInput(QWidget *parent, const style::InputField &st, base::lambda<QString()> placeholderFactory, const QString &val);
protected:
void correctValue(const QString &was, int wasCursor, QString &now, int &nowCursor) override;
};
class UsernameInput : public MaskedInputField {
public:
UsernameInput(QWidget *parent, const style::InputField &st, base::lambda<QString()> placeholderFactory, const QString &val, bool isLink);
void setLinkPlaceholder(const QString &placeholder);
protected:
void correctValue(const QString &was, int wasCursor, QString &now, int &nowCursor) override;
void paintAdditionalPlaceholder(Painter &p, TimeMs ms) override;
private:
QString _linkPlaceholder;
};
class PhoneInput : public MaskedInputField {
public:
PhoneInput(QWidget *parent, const style::InputField &st, base::lambda<QString()> placeholderFactory, const QString &val);
void clearText();
protected:
void focusInEvent(QFocusEvent *e) override;
void correctValue(const QString &was, int wasCursor, QString &now, int &nowCursor) override;
void paintAdditionalPlaceholder(Painter &p, TimeMs ms) override;
private:
QVector<int> _pattern;
QString _additionalPlaceholder;
};
} // namespace Ui