VirtualBox

source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/widgets/graphics/UIGraphicsButton.h@ 100347

Last change on this file since 100347 was 98103, checked in by vboxsync, 22 months ago

Copyright year updates by scm.

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1/* $Id: UIGraphicsButton.h 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * VBox Qt GUI - UIGraphicsButton class declaration.
4 */
5
6/*
7 * Copyright (C) 2012-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#ifndef FEQT_INCLUDED_SRC_widgets_graphics_UIGraphicsButton_h
29#define FEQT_INCLUDED_SRC_widgets_graphics_UIGraphicsButton_h
30#ifndef RT_WITHOUT_PRAGMA_ONCE
31# pragma once
32#endif
33
34/* Qt includes: */
35#include <QIcon>
36
37/* GUI includes: */
38#include "QIGraphicsWidget.h"
39
40/* Forward declarations: */
41class QGraphicsSceneMouseEvent;
42class QGraphicsSceneHoverEvent;
43class QPropertyAnimation;
44
45/** QIGraphicsWidget subclass providing GUI with graphics-button representation. */
46class UIGraphicsButton : public QIGraphicsWidget
47{
48 Q_OBJECT;
49
50signals:
51
52 /** Notifies listeners about button was clicked. */
53 void sigButtonClicked();
54
55public:
56
57 /** Click policy. */
58 enum ClickPolicy { ClickPolicy_OnRelease, ClickPolicy_OnPress };
59
60 /** Constructs graphics button passing @a pParent to the base-class.
61 * @param icon Brings the button icon. */
62 UIGraphicsButton(QIGraphicsWidget *pParent, const QIcon &icon);
63
64 /** Defines icon scale @a dIndex. */
65 void setIconScaleIndex(double dIndex);
66 /** Returns icon scale index. */
67 double iconScaleIndex() const;
68
69 /** Defines click @a enmPolicy. */
70 void setClickPolicy(ClickPolicy enmPolicy);
71 /** Returns click policy. */
72 ClickPolicy clickPolicy() const;
73
74protected:
75
76 /** Data enumerator. */
77 enum GraphicsButton
78 {
79 GraphicsButton_Margin,
80 GraphicsButton_IconSize,
81 GraphicsButton_Icon
82 };
83
84 /** Returns data stored for certain @a iKey: */
85 virtual QVariant data(int iKey) const;
86
87 /** Returns size-hint of certain @a enmType, restricted by passed @a constraint. */
88 virtual QSizeF sizeHint(Qt::SizeHint enmType, const QSizeF &constraint = QSizeF()) const RT_OVERRIDE;
89
90 /** Performs painting using passed @a pPainter, @a pOptions and optionally specified @a pWidget. */
91 virtual void paint(QPainter *pPainter, const QStyleOptionGraphicsItem *pOption, QWidget *pWidget = 0) RT_OVERRIDE;
92
93 /** Handles mouse-press @a pEvent. */
94 virtual void mousePressEvent(QGraphicsSceneMouseEvent *pEvent) RT_OVERRIDE;
95 /** Handles mouse-release @a pEvent. */
96 virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *pEvent) RT_OVERRIDE;
97
98 /** Handles timer @a pEvent. */
99 virtual void timerEvent(QTimerEvent *pEvent) RT_OVERRIDE;
100
101 /** Updates button.
102 * @todo rename to prepare() */
103 virtual void refresh();
104
105private:
106
107 /** Holds the button icon. */
108 QIcon m_icon;
109
110 /** Holds the click policy. */
111 ClickPolicy m_enmClickPolicy;
112
113 /** Holds the delay timer ID. */
114 int m_iDelayId;
115 /** Holds the repeat timer ID. */
116 int m_iRepeatId;
117
118 /** Holds the icon scale index. */
119 double m_dIconScaleIndex;
120};
121
122#endif /* !FEQT_INCLUDED_SRC_widgets_graphics_UIGraphicsButton_h */
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