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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "utils_global.h"
#include "completinglineedit.h"
#include <QAbstractButton>
#include <functional>
QT_BEGIN_NAMESPACE
class QEvent;
QT_END_NAMESPACE
namespace Utils {
class FancyLineEditPrivate;
class QTCREATOR_UTILS_EXPORT IconButton: public QAbstractButton
{
Q_OBJECT
Q_PROPERTY(float iconOpacity READ iconOpacity WRITE setIconOpacity)
Q_PROPERTY(bool autoHide READ hasAutoHide WRITE setAutoHide)
public:
explicit IconButton(QWidget *parent = 0);
void paintEvent(QPaintEvent *event);
float iconOpacity() { return m_iconOpacity; }
void setIconOpacity(float value) { m_iconOpacity = value; update(); }
void animateShow(bool visible);
void setAutoHide(bool hide) { m_autoHide = hide; }
bool hasAutoHide() const { return m_autoHide; }
QSize sizeHint() const;
protected:
void keyPressEvent(QKeyEvent *ke);
void keyReleaseEvent(QKeyEvent *ke);
private:
float m_iconOpacity;
bool m_autoHide;
QIcon m_icon;
};
class QTCREATOR_UTILS_EXPORT FancyLineEdit : public CompletingLineEdit
{
Q_OBJECT
Q_ENUMS(Side)
// Validation.
Q_PROPERTY(QString initialText READ initialText WRITE setInitialText DESIGNABLE true)
Q_PROPERTY(QColor errorColor READ errorColor WRITE setErrorColor DESIGNABLE true)
Q_PROPERTY(QColor okColor READ okColor WRITE setOkColor DESIGNABLE true)
public:
enum Side {Left = 0, Right = 1};
explicit FancyLineEdit(QWidget *parent = 0);
~FancyLineEdit();
QIcon buttonIcon(Side side) const;
void setButtonIcon(Side side, const QIcon &icon);
QMenu *buttonMenu(Side side) const;
void setButtonMenu(Side side, QMenu *menu);
void setButtonVisible(Side side, bool visible);
bool isButtonVisible(Side side) const;
QAbstractButton *button(Side side) const;
void setButtonToolTip(Side side, const QString &);
void setButtonFocusPolicy(Side side, Qt::FocusPolicy policy);
// Set whether tabbing in will trigger the menu.
void setMenuTabFocusTrigger(Side side, bool v);
bool hasMenuTabFocusTrigger(Side side) const;
// Set if icon should be hidden when text is empty
void setAutoHideButton(Side side, bool h);
bool hasAutoHideButton(Side side) const;
// Completion
// Enable a history completer with a history of entries.
void setHistoryCompleter(const QString &historyKey, bool restoreLastItemFromHistory = false);
// Sets a completer that is not a history completer.
void setSpecialCompleter(QCompleter *completer);
// Filtering
// Enables filtering
void setFiltering(bool on);
// Validation
// line edit, (out)errorMessage -> valid?
typedef std::function<bool(FancyLineEdit *, QString *)> ValidationFunction;
enum State { Invalid, DisplayingInitialText, Valid };
State state() const;
bool isValid() const;
QString errorMessage() const;
QString initialText() const;
void setInitialText(const QString &);
QColor errorColor() const;
void setErrorColor(const QColor &c);
QColor okColor() const;
void setOkColor(const QColor &c);
void setValidationFunction(const ValidationFunction &fn);
static ValidationFunction defaultValidationFunction();
void validate();
void onEditingFinished();
protected:
// Custom behaviour can be added here.
virtual void handleChanged(const QString &) {}
signals:
void buttonClicked(Utils::FancyLineEdit::Side side);
void leftButtonClicked();
void rightButtonClicked();
void filterChanged(const QString &);
void validChanged(bool validState);
void validReturnPressed();
protected:
void resizeEvent(QResizeEvent *e);
virtual QString fixInputString(const QString &string);
private:
void iconClicked();
static bool validateWithValidator(FancyLineEdit *edit, QString *errorMessage);
// Unimplemented, to force the user to make a decision on
// whether to use setHistoryCompleter() or setSpecialCompleter().
void setCompleter(QCompleter *);
void updateMargins();
void updateButtonPositions();
friend class FancyLineEditPrivate;
FancyLineEditPrivate *d;
};
} // namespace Utils
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