init

Telegram/lib_ui/ui/widgets/fields/masked_input_field.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+#include "ui/rp_widget.h"
+#include "ui/effects/animations.h"
+
+#include <QtWidgets/QLineEdit>
+#include <QtCore/QTimer>
+
+namespace style {
+struct InputField;
+} // namespace style
+
+namespace Ui {
+
+class PopupMenu;
+
+class MaskedInputField : public RpWidgetBase<QLineEdit> {
+	Q_OBJECT
+
+	using Parent = RpWidgetBase<QLineEdit>;
+public:
+	MaskedInputField(
+		QWidget *parent,
+		const style::InputField &st,
+		rpl::producer<QString> placeholder = nullptr,
+		const QString &val = QString());
+
+	void showError();
+	void showErrorNoFocus();
+	void hideError();
+
+	QSize sizeHint() const override;
+	QSize minimumSizeHint() const override;
+
+	void customUpDown(bool isCustom);
+	int borderAnimationStart() const;
+
+	const QString &getLastText() const {
+		return _oldtext;
+	}
+	void setPlaceholder(rpl::producer<QString> placeholder);
+	void setPlaceholderHidden(bool forcePlaceholderHidden);
+	void setDisplayFocused(bool focused);
+	void finishAnimating();
+	void setFocusFast() {
+		setDisplayFocused(true);
+		setFocus();
+	}
+
+	void setText(const QString &text) {
+		QLineEdit::setText(text);
+		startPlaceholderAnimation();
+	}
+	void clear() {
+		QLineEdit::clear();
+		startPlaceholderAnimation();
+	}
+
+public Q_SLOTS:
+	void onTextChange(const QString &text);
+	void onCursorPositionChanged(int oldPosition, int position);
+
+	void onTextEdited();
+
+	void onTouchTimer();
+
+Q_SIGNALS:
+	void changed();
+	void cancelled();
+	void submitted(Qt::KeyboardModifiers);
+	void focused();
+	void blurred();
+
+protected:
+	QString getDisplayedText() const;
+	void startBorderAnimation();
+	void startPlaceholderAnimation();
+
+	bool eventHook(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;
+
+	void mousePressEvent(QMouseEvent *e) override;
+	void mouseReleaseEvent(QMouseEvent *e) override;
+	void mouseMoveEvent(QMouseEvent *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(QPainter &p) {
+	}
+
+	style::font phFont();
+
+	void placeholderAdditionalPrepare(QPainter &p);
+	QRect placeholderRect() const;
+
+	void setTextMargins(const QMargins &mrg);
+	const style::InputField &_st;
+
+private:
+	void updatePalette();
+	void refreshPlaceholder(const QString &text);
+	void setErrorShown(bool error);
+
+	void touchUpdate(QPoint globalPosition);
+	void touchFinish();
+
+	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;
+
+	rpl::variable<QString> _placeholderFull;
+	QString _placeholder;
+	Animations::Simple _a_placeholderShifted;
+	bool _placeholderShifted = false;
+	QPainterPath _placeholderPath;
+
+	Animations::Simple _a_borderShown;
+	int _borderAnimationStart = 0;
+	Animations::Simple _a_borderOpacity;
+	bool _borderVisible = false;
+
+	Animations::Simple _a_focused;
+	Animations::Simple _a_error;
+
+	bool _focused = false;
+	bool _error = false;
+
+	style::margins _textMargins;
+
+	QTimer _touchTimer;
+	bool _touchPress = false;
+	bool _touchRightButton = false;
+	bool _touchMove = false;
+	bool _mousePressedInTouch = false;
+	QPoint _touchStart;
+
+	base::unique_qptr<PopupMenu> _contextMenu;
+
+};
+
+} // namespace Ui