colorswatch.h Example File | Qt Widgets 5.6

Qt 5.6 | Qt Widgets | Main Window | colorswatch.h Example File

Qt 5.6.2 Reference Documentation

# colorswatch.h Example File

mainwindows/mainwindow/colorswatch.h

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the demonstration applications of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:LGPL21$
      ** 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 http://www.qt.io/terms-conditions. For further
      ** information use the contact form at http://www.qt.io/contact-us.
      **
      ** GNU Lesser General Public License Usage
      ** Alternatively, this file may be used under the terms of the GNU Lesser
      ** General Public License version 2.1 or version 3 as published by the Free
      ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
      ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
      ** following information to ensure the GNU Lesser General Public License
      ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
      ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
      **
      ** As a special exception, The Qt Company gives you certain additional
      ** rights. These rights are described in The Qt Company LGPL Exception
      ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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      ** $QT_END_LICENSE$
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      ****************************************************************************/

      #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 = Q_NULLPTR, Qt::WindowFlags flags = 0);

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

      protected:
          void contextMenuEvent(QContextMenuEvent *event) Q_DECL_OVERRIDE;
          void resizeEvent(QResizeEvent *e) Q_DECL_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 = Q_NULLPTR);

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

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

      public slots:
          void updateMask();

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

      #endif // COLORSWATCH_H