ground/openpilotgcs/src/plugins/coreplugin/fancytabwidget.h

   1 /**
   2  ******************************************************************************
   3  *
   4  * @file       fancytabwidget.h
   5  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
   6  *             Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
   7  * @addtogroup GCSPlugins GCS Plugins
   8  * @{
   9  * @addtogroup CorePlugin Core Plugin
  10  * @{
  11  * @brief The Core GCS plugin
  12  *****************************************************************************/
  13 /*
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 3 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful, but
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  21  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  22  * for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License along
  25  * with this program; if not, write to the Free Software Foundation, Inc.,
  26  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  27  */
  28
  29 #ifndef FANCYTABWIDGET_H
  30 #define FANCYTABWIDGET_H
  31
  32 #include <QIcon>
  33 #include <QWidget>
  34
  35 #include <QTimer>
  36 #include <QPropertyAnimation>
  37
  38 QT_BEGIN_NAMESPACE
  39 class QPainter;
  40 class QStackedLayout;
  41 class QStatusBar;
  42 QT_END_NAMESPACE
  43
  44 namespace Core {
  45 namespace Internal {
  46 class FancyTab : public QObject {
  47     Q_OBJECT Q_PROPERTY(float fader READ fader WRITE setFader)
  48 public:
  49     FancyTab(QWidget *tabbar) : enabled(false), tabbar(tabbar), m_fader(0)
  50     {
  51         animator.setPropertyName("fader");
  52         animator.setTargetObject(this);
  53     }
  54     float fader()
  55     {
  56         return m_fader;
  57     }
  58     void setFader(float value);
  59
  60     void fadeIn();
  61     void fadeOut();
  62
  63     QIcon icon;
  64     QString text;
  65     QString toolTip;
  66     bool enabled;
  67
  68 private:
  69     QPropertyAnimation animator;
  70     QWidget *tabbar;
  71     float m_fader;
  72 };
  73
  74 class FancyTabBar : public QWidget {
  75     Q_OBJECT
  76
  77 public:
  78     FancyTabBar(QWidget *parent = 0);
  79     ~FancyTabBar();
  80
  81     bool event(QEvent *event);
  82
  83     void paintEvent(QPaintEvent *event);
  84     void paintTab(QPainter *painter, int tabIndex) const;
  85     void mousePressEvent(QMouseEvent *);
  86     void mouseMoveEvent(QMouseEvent *);
  87     void enterEvent(QEvent *);
  88     void leaveEvent(QEvent *);
  89     bool validIndex(int index) const
  90     {
  91         return index >= 0 && index < m_tabs.count();
  92     }
  93
  94     QSize sizeHint() const;
  95     QSize minimumSizeHint() const;
  96
  97     void setTabEnabled(int index, bool enable);
  98     bool isTabEnabled(int index) const;
  99
 100     void insertTab(int index, const QIcon &icon, const QString &label)
 101     {
 102         FancyTab *tab = new FancyTab(this);
 103
 104         tab->icon = icon;
 105         tab->text = label;
 106         m_tabs.insert(index, tab);
 107         updateGeometry();
 108     }
 109     void setEnabled(int index, bool enabled);
 110     void removeTab(int index)
 111     {
 112         FancyTab *tab = m_tabs.takeAt(index);
 113
 114         delete tab;
 115         updateGeometry();
 116     }
 117     void setCurrentIndex(int index);
 118     int currentIndex() const
 119     {
 120         return m_currentIndex;
 121     }
 122
 123     void setTabToolTip(int index, QString toolTip)
 124     {
 125         m_tabs[index]->toolTip = toolTip;
 126     }
 127     QString tabToolTip(int index) const
 128     {
 129         return m_tabs.at(index)->toolTip;
 130     }
 131
 132     QIcon tabIcon(int index) const
 133     {
 134         return m_tabs.at(index)->icon;
 135     }
 136     QString tabText(int index) const
 137     {
 138         return m_tabs.at(index)->text;
 139     }
 140     int count() const
 141     {
 142         return m_tabs.count();
 143     }
 144     QRect tabRect(int index) const;
 145
 146 signals:
 147     void currentChanged(int);
 148
 149 public slots:
 150     void emitCurrentIndex();
 151
 152 private:
 153     static const int m_rounding;
 154     static const int m_textPadding;
 155     QRect m_hoverRect;
 156     int m_hoverIndex;
 157     int m_currentIndex;
 158     QList<FancyTab *> m_tabs;
 159     QTimer m_triggerTimer;
 160     QSize tabSizeHint(bool minimum = false) const;
 161 };
 162
 163 class FancyTabWidget : public QWidget {
 164     Q_OBJECT
 165
 166 public:
 167     FancyTabWidget(QWidget *parent = 0);
 168
 169     void insertTab(int index, QWidget *tab, const QIcon &icon, const QString &label);
 170     void removeTab(int index);
 171     void setBackgroundBrush(const QBrush &brush);
 172     void addCornerWidget(QWidget *widget);
 173     void insertCornerWidget(int pos, QWidget *widget);
 174     int cornerWidgetCount() const;
 175     void setTabToolTip(int index, const QString &toolTip);
 176
 177     void paintEvent(QPaintEvent *event);
 178
 179     int currentIndex() const;
 180     QStatusBar *statusBar() const;
 181
 182     void setTabEnabled(int index, bool enable);
 183     bool isTabEnabled(int index) const;
 184
 185     bool isSelectionWidgetVisible() const;
 186
 187 signals:
 188     void currentAboutToShow(int index);
 189     void currentChanged(int index);
 190
 191 public slots:
 192     void setCurrentIndex(int index);
 193     void setSelectionWidgetVisible(bool visible);
 194
 195 private slots:
 196     void showWidget(int index);
 197
 198 private:
 199     FancyTabBar *m_tabBar;
 200     QWidget *m_cornerWidgetContainer;
 201     QStackedLayout *m_modesStack;
 202     QWidget *m_selectionWidget;
 203     QStatusBar *m_statusBar;
 204 };
 205 } // namespace Internal
 206 } // namespace Core
 207
 208 #endif // FANCYTABWIDGET_H