2 Situare - A location system for Facebook
3 Copyright (C) 2010 Ixonos Plc. Authors:
5 Kaj Wallin - kaj.wallin@ixonos.com
6 Katri Kaikkonen - katri.kaikkonen@ixonos.com
8 Situare is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License
10 version 2 as published by the Free Software Foundation.
12 Situare is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Situare; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
23 #ifndef INDICATORBUTTON_H
24 #define INDICATORBUTTON_H
26 #include <QMouseEvent>
28 #include <QToolButton>
32 * @brief Indicator button class
34 * @author Katri Kaikkonen - katri.kaikkonen (at) ixonos.com
36 * @class IndicatorButton indicatorbutton.h "ui/indicatorbutton.h"
38 class IndicatorButton : public QToolButton
46 * @param parent Parent widget
48 IndicatorButton(QWidget *parent = 0);
55 /*******************************************************************************
56 * BASE CLASS INHERITED AND REIMPLEMENTED MEMBER FUNCTIONS
57 ******************************************************************************/
60 * @brief Move event for the distance indicator button
62 * @param event Mouse event
64 void mouseMoveEvent(QMouseEvent *event);
67 * @brief Press event for the distance indicator button
69 * @param event Mouse event
71 void mousePressEvent(QMouseEvent *event);
74 * @brief Event handler for mouse release events
76 * @param event Mouse event
78 void mouseReleaseEvent(QMouseEvent *event);
81 * @brief Event handler for paint events
83 * Paints the button and its icon
84 * @param event Paint event
86 void paintEvent(QPaintEvent *event);
88 /*******************************************************************************
89 * MEMBER FUNCTIONS AND SLOTS
90 ******************************************************************************/
93 * @brief Relative position of the event inside the widget
95 const QPoint& eventPosition();
98 * @brief Slot to redraw the panel after window resize event
100 * @param size Size of the new screen
102 void screenResized(const QSize &size);
105 * @brief Toggle distance indicator button draggability
107 void setDraggable(bool mode, QPoint eventPosition = QPoint(0,0));
111 * @brief Safeguard slot to release mouse grab if something goes horribly wrong
113 void forceMouseRelease();
116 * @brief Slot that handles drag initialization once timer has timed out
120 /*******************************************************************************
122 ******************************************************************************/
125 * @brief Automatic centering setting changed by user
127 * @param enabled True if automatic centering is enabled, otherwise false
129 void autoCenteringTriggered(bool enabled);
132 * @brief Dragging mode triggered.
134 void draggingModeTriggered();
136 /*******************************************************************************
138 ******************************************************************************/
140 bool m_isDraggable; ///< Boolean for tracking the draggability state
142 QColor *m_normalColor; ///< Normal background color
144 QLinearGradient *m_selectedGradient; ///< Selected background
146 QPixmap m_indicatorLeds[2]; ///< Placeholder for images
148 QPoint m_dragPosition; ///< Location from where the widget is grabbed
149 QPoint m_eventPosition; ///< Position of mousePressEvent
151 QSize m_screenSize; ///< Store for the screen size
153 QTimer *m_dragStartTimer; ///< Timer to init draggability of the distance indicator button
154 QTimer *m_forceReleaseTimer; ///< Timer to run forceMouseRelease
157 #endif // INDICATORBUTTON_H