workspace/plasma/applets/battery/battery.h

   1 /***************************************************************************
   2  *   Copyright (C) 2007-2008 by Sebastian Kuegler <sebas@kde.org>          *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
  18  ***************************************************************************/
  19
  20 #ifndef BATTERY_H
  21 #define BATTERY_H
  22
  23 #include <QLabel>
  24 #include <QGraphicsSceneHoverEvent>
  25 #include <QGraphicsGridLayout>
  26 #include <QPair>
  27 #include <QMap>
  28
  29 #include <Plasma/Applet>
  30 #include <Plasma/Animator>
  31 #include <Plasma/DataEngine>
  32 #include <Plasma/PopupApplet>
  33 #include "ui_batteryConfig.h"
  34
  35 namespace Plasma
  36 {
  37     class Svg;
  38     class Label;
  39     class ExtenderItem;
  40     class ComboBox;
  41     class Slider;
  42 }
  43
  44 class Battery : public Plasma::PopupApplet
  45 {
  46     Q_OBJECT
  47     public:
  48         Battery(QObject *parent, const QVariantList &args);
  49         ~Battery();
  50
  51         void init();
  52         void paintInterface(QPainter *painter, const QStyleOptionGraphicsItem *option,
  53                             const QRect &contents);
  54         void setPath(const QString&);
  55         Qt::Orientations expandingDirections() const;
  56         void constraintsEvent(Plasma::Constraints constraints);
  57         void popupEvent(bool show);
  58         void showBatteryLabel(bool show);
  59
  60     public slots:
  61         void dataUpdated(const QString &name, const Plasma::DataEngine::Data &data);
  62
  63     protected Q_SLOTS:
  64         virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
  65         virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
  66         void configAccepted();
  67         void readColors();
  68
  69     protected:
  70         void createConfigurationInterface(KConfigDialog *parent);
  71         void setEmbedded(const bool embedded);
  72
  73     private slots:
  74         void animationUpdate(qreal progress);
  75         void acAnimationUpdate(qreal progress);
  76         void batteryAnimationUpdate(qreal progress);
  77         void sourceAdded(const QString &source);
  78         void sourceRemoved(const QString &source);
  79         void brightnessChanged(const int brightness);
  80         void updateSlider(const float brightness);
  81         void setFullBrightness();
  82         void openConfig();
  83         void setProfile(const QString &profile);
  84         void suspend();
  85         void hibernate();
  86
  87     private:
  88         void connectSources();
  89         void disconnectSources();
  90         void initBatteryExtender(Plasma::ExtenderItem *item);
  91         void updateStatus();
  92
  93         /* Prevent creating infinite loops by embedding applets inside applets */
  94         bool m_isEmbedded;
  95         Battery *m_extenderApplet;
  96         bool m_extenderVisible;
  97
  98         QGraphicsGridLayout *m_controlsLayout;
  99         QGraphicsGridLayout *m_batteryLayout;
 100         Plasma::Label *m_statusLabel;
 101         Plasma::Label *m_batteryLabel;
 102         Plasma::Label *m_profileLabel;
 103         Plasma::ComboBox *m_profileCombo;
 104         Plasma::Slider *m_brightnessSlider;
 105         int m_inhibitCookie;
 106
 107         /* Paint battery with proper charge level */
 108         void paintBattery(QPainter *p, const QRect &contentsRect, const int batteryPercent, const bool plugState);
 109         /* Paint a label on top of the battery */
 110         void paintLabel(QPainter *p, const QRect &contentsRect, const QString& labelText);
 111         /* Scale in/out Battery. */
 112         void showBattery(bool show);
 113         /* Scale in/out Ac Adapter. */
 114         void showAcAdapter(bool show);
 115         /* Fade in/out the label above the battery. */
 116         void showLabel(bool show);
 117         /* Scale in a QRectF */
 118         QRectF scaleRectF(qreal progress, QRectF rect);
 119         /* Show multiple batteries with individual icons and charge info? */
 120         bool m_showMultipleBatteries;
 121         /* Should the battery charge information be shown on top? */
 122         bool m_showBatteryString;
 123         QSizeF m_size;
 124         int m_pixelSize;
 125         Plasma::Svg* m_theme;
 126
 127         QStringList m_availableProfiles;
 128         QString m_currentProfile;
 129         QStringList m_suspendMethods;
 130
 131         // Configuration dialog
 132         Ui::batteryConfig ui;
 133
 134         int m_animId;
 135         qreal m_alpha;
 136         bool m_fadeIn;
 137
 138         int m_acAnimId;
 139         qreal m_acAlpha;
 140         bool m_acFadeIn;
 141
 142         int m_batteryAnimId;
 143         qreal m_batteryAlpha;
 144         bool m_batteryFadeIn;
 145
 146         // Internal data
 147         QList<QVariant> batterylist, acadapterlist;
 148         QHash<QString, QHash<QString, QVariant> > m_batteries_data;
 149         QFont m_font;
 150         bool m_isHovered;
 151         bool m_firstRun;
 152         QColor m_boxColor;
 153         QColor m_textColor;
 154         QRectF m_textRect;
 155         int m_boxAlpha;
 156         int m_boxHoverAlpha;
 157         int m_numOfBattery;
 158         bool m_acadapter_plugged;
 159         int m_remainingMSecs;
 160 };
 161
 162 K_EXPORT_PLASMA_APPLET(battery, Battery)
 163
 164 #endif