colorswatch.h Example File

/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef COLORSWATCH_H
#define COLORSWATCH_H

#include <QDockWidget>

QT_FORWARD_DECLARE_CLASS(QAction)
QT_FORWARD_DECLARE_CLASS(QActionGroup)
QT_FORWARD_DECLARE_CLASS(QMenu)

class ColorSwatch : public QDockWidget
{
    Q_OBJECT

public:
    explicit ColorSwatch(const QString &colorName, QMainWindow *parent = nullptr, Qt::WindowFlags flags = 0);

    void setCustomSizeHint(const QSize &size);
    QMenu *colorSwatchMenu() const { return menu; }

protected:
#ifndef QT_NO_CONTEXTMENU
    void contextMenuEvent(QContextMenuEvent *event) override;
#endif // QT_NO_CONTEXTMENU
    void resizeEvent(QResizeEvent *e) override;

private slots:
    void changeClosable(bool on);
    void changeMovable(bool on);
    void changeFloatable(bool on);
    void changeFloating(bool on);
    void changeVerticalTitleBar(bool on);
    void updateContextMenu();

    void allowLeft(bool a);
    void allowRight(bool a);
    void allowTop(bool a);
    void allowBottom(bool a);

    void placeLeft(bool p);
    void placeRight(bool p);
    void placeTop(bool p);
    void placeBottom(bool p);

    void splitInto(QAction *action);
    void tabInto(QAction *action);

private:
    void allow(Qt::DockWidgetArea area, bool allow);
    void place(Qt::DockWidgetArea area, bool place);

    QAction *closableAction;
    QAction *movableAction;
    QAction *floatableAction;
    QAction *floatingAction;
    QAction *verticalTitleBarAction;

    QActionGroup *allowedAreasActions;
    QAction *allowLeftAction;
    QAction *allowRightAction;
    QAction *allowTopAction;
    QAction *allowBottomAction;

    QActionGroup *areaActions;
    QAction *leftAction;
    QAction *rightAction;
    QAction *topAction;
    QAction *bottomAction;

    QMenu *tabMenu;
    QMenu *splitHMenu;
    QMenu *splitVMenu;
    QMenu *menu;

    QMainWindow *mainWindow;
};

class BlueTitleBar : public QWidget
{
    Q_OBJECT
public:
    explicit BlueTitleBar(QWidget *parent = nullptr);

    QSize sizeHint() const override { return minimumSizeHint(); }
    QSize minimumSizeHint() const override;

protected:
    void paintEvent(QPaintEvent *event) override;
    void mouseReleaseEvent(QMouseEvent *event) override;

public slots:
    void updateMask();

private:
    const QPixmap leftPm;
    const QPixmap centerPm;
    const QPixmap rightPm;
};

#endif // COLORSWATCH_H