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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
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