Diffstat (limited to 'libopie2/opieui/big-screen/owidgetstack.h') (more/less context) (ignore whitespace changes)
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1 files changed, 132 insertions, 0 deletions
diff --git a/libopie2/opieui/big-screen/owidgetstack.h b/libopie2/opieui/big-screen/owidgetstack.h new file mode 100644 index 0000000..53818c8 --- a/dev/null +++ b/libopie2/opieui/big-screen/owidgetstack.h @@ -0,0 +1,132 @@ +/* + =. This file is part of the OPIE Project + .=l. Copyright (c) 2003 hOlgAr <zecke@handhelds.org> + .>+-= + _;:, .> :=|. This library 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 library 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 OWIDGETSTACK_H +#define OWIDGETSTACK_H + +/* QT*/ +#include <qframe.h> +#include <qmap.h> + +class QWidgetStack; + +namespace Opie +{ +/** + * + * OWidgetStack is the answer to the problem of using Opie at different screen + * sizes and to have a different behaviour. Most applications use a QWidgetStack + * to supply a view on click. And by clicking the (X) you go back but this + * behaviour feels strange on bigger screens. It's ok on smaller one because + * one can't determine the difference. + * This stack reads the default out of the size of the desktop widget but + * can be forced to have either the one or the other behaviour. + * The first widget added is considered the 'main' widget and its + * sizeHint will be taking if in BigScreen mode. + * In small screen mode this widget behaves exactly like a QWidgetStack and in BigScreen + * mode it'll use the MainWindow as child of this widget and arranges the others as + * hidden top level widgets. + * + * @version 0.1 + * @author hOlgAr F. + * @short Either a true stack or a list of top Level widgets + */ +class OWidgetStack : public QFrame { + Q_OBJECT +public: + enum Mode { SmallScreen, BigScreen, NoForce }; + OWidgetStack( QWidget* parent, const char* name = 0, WFlags fl = 0 ); + ~OWidgetStack(); + + enum Mode mode()const; + void forceMode( enum Mode ); + + void addWidget( QWidget* , int ); + void removeWidget( QWidget* ); + +// QSizeHint sizeHint()const; +// QSizeHint minimumSizeHint()const; + + QWidget *widget( int )const; + int id( QWidget* )const; + + + + QWidget* visibleWidget() const; + + bool eventFilter( QObject*, QEvent* ); +signals: + /** + * OWidgetStack monitors the Desktop Widget for + * size changes if it recignizes a change size it'll + * send a signal and adjust its mode. After the signal + * was emitted. During the signal a call to mode() the + * old mode will be returned. Note that if a size change happens + * but no modeChange no signal will be emitted + * + * + * @param mode The new mode of the desktop + */ + void modeChanged( enum Mode mode); + + /** + * These two signals are emitted whenever we're about to + * show one of the widgets + */ + void aboutToShow( QWidget* ); + void aboutToShow( int ); + +public slots: + void raiseWidget( int ); + void raiseWidget( QWidget* ); + void hideWidget( int ); + void hideWidget( QWidget* ); + void setMainWindow( QWidget* ); + void setMainWindow( int ); + +protected: + void resizeEvent( QResizeEvent* ); + +private: + void switchStack(); + void switchTop(); + QMap<int, QWidget*> m_list; + QWidgetStack *m_stack; + QWidget *m_mWidget; + QWidget *m_last; + + enum Mode m_mode; + bool m_forced : 1; + + struct Private; + Private *d; +}; + +}; + +#endif |