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diff --git a/libopie/otabwidget.h b/libopie/otabwidget.h new file mode 100644 index 0000000..9f16f14 --- a/dev/null +++ b/libopie/otabwidget.h @@ -0,0 +1,232 @@ +/* + 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 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 + +#include "otabinfo.h" + +#include <qwidget.h> +#include <qlist.h> + +class QComboBox; +class QPixmap; +class QTabBar; +class QWidgetStack; + +/** + * @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. + */ + 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 tabStyle() + * @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() + * @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 sizeHint() + * @brief Reimplemented for internal purposes. + */ + QSize sizeHint() const; + + +protected: + +/** + * @fn resizeEvent( QResizeEvent * ) + * @brief Reimplemented for internal purposes. + */ + void resizeEvent( QResizeEvent * ); + +private: + OTabInfoList tabs; + OTabInfo *currentTab; + + TabStyle tabBarStyle; + TabPosition tabBarPosition; + + QWidgetStack *tabBarStack; + QTabBar *tabBar; + QComboBox *tabList; + + QWidgetStack *widgetStack; + +/** + * @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(); + +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 |