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+/*
+                            This file is part of the Opie Project
+
+                             Copyright (c)  2002 Dan Williams <williamsdr@acm.org>
+              =.
+            .=l.
+           .>+-=
+ _;:,     .>    :=|.         This program is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       This program is distributed in the hope that
+     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
+    : ..    .:,     . . .    without even the implied warranty of
+    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
+  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=       =       ;      Library General Public License for more
+++=   -.     .`     .:       details.
+ :     =  ...= . :.=-
+ -.   .:....=;==+<;          You should have received a copy of the GNU
+  -_. . .   )=.  =           Library General Public License along with
+    --        :-=`           this library; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+
+*/
+
+#ifndef OTABWIDGET_H
+#define OTABWIDGET_H
+
+/* OPIE */
+#include <opie2/otabinfo.h>
+
+/* QT */
+#include <qwidget.h>
+#include <qlist.h>
+
+using namespace Opie;
+
+class QComboBox;
+class QPixmap;
+class QTabBar;
+class QWidgetStack;
+
+namespace Opie
+{
+
+class OTabBar;
+
+/**
+ * @class OTabWidget
+ * @brief The OTabWidget class provides a stack of widgets.
+ *
+ * OTabWidget is a derivation of TrollTech's QTabWidget which provides
+ * a stack of widgets.  Widgets can be selected using either a tab bar or
+ * drop down list box.
+ *
+ * The normal way to use OTabWidget is to do the following in the
+ * constructor:
+ * - Create a OTabWidget.
+ * - Create a QWidget for each of the pages in the control, insert
+ *   children into it, set up geometry management for it, and use addTab()
+ *   to add the widget.
+ */
+class OTabWidget : public QWidget
+{
+    Q_OBJECT
+public:
+
+/**
+ * @enum TabStyle
+ * @brief Defines how the widget selection control is displayed.
+ *
+ * Valid values:
+ * - Global: use globally selected options (qpe.conf - TabStyle & TabPosition)
+ * - TextTab: Tabbed widget selection with text labels
+ * - IconTab: Tabbed widget selection with icon labels, text label for active widget
+ *            (similar to Opie launcher)
+ * - TextList: Drop down list widget selection with text labels
+ * - IconList: Drop down list widget selection with icon & text labels
+ */
+    enum TabStyle { Global, TextTab, IconTab, TextList, IconList };
+
+/**
+ * @enum TabPosition
+ * @brief Defines where the widget selection control is drawn.
+ *
+ * Valid values:
+ * - Top: Widget selection control is drawn above widgets
+ * - Bottom: Widget selection control is drawn below widgets
+ */
+    enum TabPosition { Top, Bottom };
+
+/**
+ * @fn OTabWidget( QWidget *parent = 0, const char *name = 0, TabStyle s = Global, TabPosition p = Top )
+ * @brief Object constructor.
+ *
+ * @param parent Pointer to parent of this control.
+ * @param name Name of control.
+ * @param s Style of widget selection control.
+ * @param p Position of the widget selection control.
+ *
+ * Constructs a new OTabWidget control with parent and name.  The style and position parameters
+ * determine how the widget selection control will be displayed.
+ */
+ // FIXME WFlags? -zecke
+    OTabWidget( QWidget * = 0, const char * = 0, TabStyle = Global, TabPosition = Top );
+
+/**
+ * @fn ~OTabWidget()
+ * @brief Object destructor.
+ */
+    ~OTabWidget();
+
+/**
+ * @fn addTab( QWidget *child, const QString &icon, const QString &label )
+ * @brief Add new widget to control.
+ *
+ * @param child Widget control.
+ * @param icon Path to icon.
+ * @param label Text label.
+ */
+    void addTab( QWidget *, const QString &, const QString & );
+
+/**
+ * @fn removePage( QWidget *widget )
+ * @brief Remove widget from control.  Does not delete widget.
+ *
+ * @param widget Widget control to be removed.
+ */
+    /* ### Page vs. Tab.. yes the widget is a Page but then is addTab wrong -zecke */
+    void removePage( QWidget * );
+
+/**
+ * @fn changeTab( QWidget *widget, const QString &icon, const QString &label )
+ * @brief Change text and/or icon for existing tab
+ *
+ * @param child Widget control.
+ * @param icon Path to icon.
+ * @param label Text label.
+ */
+    void changeTab( QWidget *, const QString &, const QString & );
+
+/**
+ * @fn tabStyle()const
+ * @brief Returns current widget selection control style.
+ */
+    TabStyle tabStyle() const;
+
+/**
+ * @fn setTabStyle( TabStyle s )
+ * @brief Set the current widget selection control style.
+ *
+ * @param s New style to be used.
+ */
+    void setTabStyle( TabStyle );
+
+/**
+ * @fn tabPosition()const
+ * @brief Returns current widget selection control position.
+ */
+    TabPosition tabPosition() const;
+
+/**
+ * @fn setTabPosition( TabPosition p )
+ * @brief Set the current widget selection control position.
+ *
+ * @param p New position of widget selection control.
+ */
+    void setTabPosition( TabPosition );
+
+/**
+ * @fn setCurrentTab( QWidget *childwidget )
+ * @brief Selects and brings to top the desired widget by using widget pointer.
+ *
+ * @param childwidget Widget to select.
+ */
+    void setCurrentTab( QWidget * );
+
+/**
+ * @fn setCurrentTab( const QString &tabname )
+ * @brief Selects and brings to top the desired widget, by using label.
+ *
+ * @param tabname Text label for widget to select.
+ */
+    void setCurrentTab( const QString & );
+
+/**
+ * @fn setCurrentTab( int )
+ * @brief Selects and brings to top the desired widget, by using id.
+ *
+ * @param tab id for widget to select.
+ */
+    void setCurrentTab(int);
+
+/**
+ * @fn sizeHint()const
+ * @brief Reimplemented for internal purposes.
+ */
+    QSize sizeHint() const;
+
+/**
+ * @fn currentTab( )
+ * @brief returns current tab id.
+ */
+    // ### make const
+    int currentTab()/* const */;
+/**
+ * @brief returns the current page of the active tab
+ *
+ * @since 1.2
+ */
+    QWidget* currentWidget()const;
+
+protected:
+
+/**
+ * @fn resizeEvent( QResizeEvent * )
+ * @brief Reimplemented for internal purposes.
+ */
+    void resizeEvent( QResizeEvent * );
+
+private:
+    OTabInfoList  tabs;
+    OTabInfo     *currTab;
+
+    TabStyle    tabBarStyle;
+    TabPosition tabBarPosition;
+
+    QWidgetStack *tabBarStack;
+    OTabBar      *tabBar;
+    QComboBox    *tabList;
+
+    QWidgetStack *widgetStack;
+    class Private;
+    Private* d;
+
+/**
+ * @fn loadSmooth( const QString &name )
+ * @brief Loads icon for widget.
+ *
+ * @param name Name of icon image file.
+ */
+    QPixmap loadSmooth( const QString & );
+
+/**
+ * @fn selectTab( OTabInfo *tab )
+ * @brief Internal function to select desired widget.
+ *
+ * @param tab Pointer to data for widget.
+ */
+    void    selectTab( OTabInfo * );
+
+/**
+ * @fn setUpLayout()
+ * @brief Internal function to adjust layout.
+ */
+    void    setUpLayout();
+
+
+signals:
+/**
+ * @fn currentChanegd( QWidget *widget )
+ * @brief This signal is emitted whenever the widget has changed.
+ *
+ * @param widget Pointer to new current widget.
+ */
+    void currentChanged( QWidget * );
+
+private slots:
+
+/**
+ * @fn slotTabBarSelected( int id )
+ * @brief Slot which is called when a tab is selected.
+ *
+ * @param id ID of widget selected.
+ */
+    void slotTabBarSelected( int );
+
+/**
+ * @fn slotTabListSelected( int index )
+ * @brief Slot which is called when a drop down selection is made.
+ *
+ * @param id Index of widget selected.
+ */
+    void slotTabListSelected( int );
+};
+
+};
+
+#endif