Diffstat (limited to 'libopie/big-screen/owidgetstack.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie/big-screen/owidgetstack.cpp | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/libopie/big-screen/owidgetstack.cpp b/libopie/big-screen/owidgetstack.cpp deleted file mode 100644 index 967c54b..0000000 --- a/libopie/big-screen/owidgetstack.cpp +++ b/dev/null @@ -1,404 +0,0 @@ -#include <qapplication.h> -#include <qwidgetstack.h> - -#include "owidgetstack.h" - -namespace { - const int mode_size = 330; -} - -/** - * This is the standard widget. For simple usage see the example. Normally this widget - * is the central widget of a QMainWindow. - * Use removeWidget before you delete a widget yourself. OWidgetStack does not - * yet recognize removal of children. - * - * @param parent The parent widget. It maybe 0 but then you need to take care of deletion. - * Or you use QPEApplication::showMainWidget(). - * @param name Name will be passed on to QObject - * @param fl Additional window flags passed to QFrame. see @Qt::WFlags - */ -OWidgetStack::OWidgetStack( QWidget* parent, const char* name, WFlags fl) - : QFrame( parent, name, fl ) -{ - m_last = m_mWidget = 0; - m_forced = false; - - QApplication::desktop()->installEventFilter( this ); - setFontPropagation ( AllChildren ); - setPalettePropagation( AllChildren ); - - /* sets m_mode and initializes more */ - /* if you change this call change switchTop as well */ - m_stack = 0; - switchStack(); -} - -/** - * The destructor. It deletes also all added widgets. - * - */ -OWidgetStack::~OWidgetStack() { - if (m_mode == BigScreen && !m_list.isEmpty() ) { - QMap<int, QWidget*>::Iterator it = m_list.begin(); - for ( ; it != m_list.end(); ++it ) - delete it.data(); - } - m_list.clear(); - -} - -/** - * return the mode of the desktop. There are currently two modes. SmallScreen - * with a normal PDA resolution and BigScreen with resolutions greater than - * 330 for width and height. - * You can also force the mode this widget is in with forceMode() - * Note that NoForce will be never returned from here - */ -enum OWidgetStack::Mode OWidgetStack::mode()const { - return m_mode; -} - -/** - * You can also force one of the modes and then - * this widget stops on listening to size changes. You - * can revert to the scanning behaviour by setting mode - * to NoForce - */ -void OWidgetStack::forceMode( enum Mode mode) { - m_forced = mode != NoForce; - - /* we need to see which mode we're in */ - if (!m_forced ) { - if ( QApplication::desktop()->width() >= - mode_size ) - mode = BigScreen; - else - mode = SmallScreen; - } - switch( mode ) { - case NoForce: - case SmallScreen: - switchStack(); - break; - case BigScreen: - switchTop(); - break; - - } - - m_mode = mode; -} - -/** - * Adds a widget to the stack. The first widget added is considered - * to be the mainwindow. This is important because if Opie is in - * BigScreen mode the sizeHint of the MainWindow will be returned. - * In Small Screen the sizeHint of the QWidgetStack is returned. - * See QWidgetStack::sizeHint. - * This widget takes ownership of the widget and may even reparent. - * All windows will be hidden - * - * @param wid The QWidget to be added - * @param id An ID for the Widget. If the ID is duplicated the - last set widget will be related to the id - * - */ -void OWidgetStack::addWidget( QWidget* wid, int id) { - if (!wid) - return; - - /* set our main widget */ - if (!m_mWidget) - m_mWidget = wid; - - m_list.insert( id, wid ); - - /** - * adding does not raise any widget - * But for our mainwidget we prepare - * the right position with the right parent - */ - if (m_mode == SmallScreen ) - m_stack->addWidget( wid,id ); - else if ( m_mWidget == wid ) { - wid->reparent(this, 0, contentsRect().topLeft() ); - wid->hide(); - }else { - wid->reparent(0, WType_TopLevel, QPoint(10, 10) ); - wid->hide(); - } -} - - -/** - * Remove the widget from the stack it'll be reparented to 0 - * and ownership is dropped. You need to delete it. - * If the removed widget was the mainwindow consider - * to call setMainWindow. - * - * @param wid The QWidget to be removed - */ -void OWidgetStack::removeWidget( QWidget* wid) { - if (!wid) - return; - - if (m_mode == SmallScreen ) - m_stack->removeWidget( wid ); - - - wid->reparent(0, 0, QPoint(0, 0) ); - m_list.remove( id(wid) ); - - if ( wid == m_mWidget ) - m_mWidget = 0; -} - -#if 0 -/** - * @internal_resons - */ -QSizeHint OWidgetStack::sizeHint()const { - -} - -/** - * @internal_reasons - */ -QSizeHint OWidgetStack::minimumSizeHint()const { - -} -#endif - -/** - * This function tries to find the widget with the id. - * You supplied a possible id in addWIdget. Note that not - * QWidget::winId() is used. - * - * @param id The id to search for - * - * @return The widget or null - * @see addWidget - */ -QWidget* OWidgetStack::widget( int id) const { - return m_list[id]; -} - -/** - * Tries to find the assigned id for the widget - * or returns -1 if no widget could be found - * @param wid The widget to look for - */ -int OWidgetStack::id( QWidget* wid)const{ - if (m_list.isEmpty() ) - return -1; - - QMap<int, QWidget*>::ConstIterator it = m_list.begin(); - for ( ; it != m_list.end(); ++it ) - if ( it.data() == wid ) - break; - - /* if not at the end return the key */ - return it == m_list.end() ? -1 : it.key(); -} - - -/** - * This function returns the currently visible - * widget. In BigScreen mode the mainwindow - * is returned - */ -QWidget* OWidgetStack::visibleWidget()const { - if (m_mode == SmallScreen ) - return m_stack->visibleWidget(); - else - return m_mWidget; - -} - -/** - * This method raises the widget wit the specefic id. - * Note that in BigScreen mode the widget is made visible - * but the other ( previous) visible widget(s) will not - * be made invisible. If you need this use hideWidget(). - * - * @param id Raise the widget with id - */ -void OWidgetStack::raiseWidget( int id) { - return raiseWidget( widget( id ) ); -} - -/** - * This is an overloaded function and only differs in its parameters. - * @see raiseWidget( int ) - */ -void OWidgetStack::raiseWidget( QWidget* wid) { - m_last = wid; - if (m_mode == SmallScreen ) - m_stack->raiseWidget( wid ); - else { - int ide; - emit aboutToShow( wid ); - /* if someone is connected and the widget is actually available */ - if ( receivers( SIGNAL(aboutToShow(int) ) ) && - ( (ide = id( wid ) ) != -1 ) ) - emit aboutToShow( ide ); - - /* ### FIXME PLACE THE WIDGET right */ - wid->show(); - } -} - -/** - * This will hide the currently visible widget - * and raise the widget specified by the parameter. - * Note that this method does not use visibleWIdget but remembers - * the last raisedWidget - */ -void OWidgetStack::hideWidget( int id) { - /* hiding our main widget wouldn't be smart */ - if ( m_mode == BigScreen && m_last != m_mWidget ) - m_last->hide(); - raiseWidget( id ); -} - -/** - * This is overloaded and only differs in the parameters - * it takes. - */ -void OWidgetStack::hideWidget( QWidget* wid) { - /* still not smart */ - if ( m_mode == BigScreen && m_last != m_mWidget ) - m_last->hide(); - - raiseWidget( wid ); -} - - -bool OWidgetStack::eventFilter( QObject* obj, QEvent* e) { - qWarning(" %s %s", obj->name(), obj->className() ); - if ( e->type() == QEvent::Resize ) { - QResizeEvent *res = static_cast<QResizeEvent*>( e ); - QSize size = res->size(); - if ( size.width() >= mode_size ) - switchTop(); - else - switchStack(); - } - return false; -} - - -/** - * @internal_resons - */ -void OWidgetStack::resizeEvent( QResizeEvent* ev ) { - QFrame::resizeEvent( ev ); - if (m_mode == SmallScreen ) - m_stack->setGeometry( frameRect() ); - else - if (m_mWidget ) - m_mWidget->setGeometry( frameRect() ); - -} - -/** - * setMainWindow gives the OWidgetStack a hint which - * window should always stay inside the stack. - * Normally the first added widget is considered to be - * the mainwindow but you can change this with this - * function. - * If in BigScreen mode the current mainwindow will be reparented - * and hidden. The position will be taken by the new one. - * If the old MainWindow was hidden the new window will - * also be hidden. If the window was visible the new mainwindow - * will be made visible too and the old one hidden. If there - * was no mainwindow it will be hidden as well. - * - * @param wid The new mainwindow - */ -void OWidgetStack::setMainWindow( QWidget* wid ) { - if (m_mode == BigScreen ) { - bool wasVisible = false; - if (m_mWidget ) { - wasVisible = !m_mWidget->isHidden(); - /* hidden by default */ - m_mWidget->reparent(0, WType_TopLevel, QPoint(10, 10) ); - } - wid->reparent(this, 0, frameRect().topLeft() ); - - if (wasVisible) - wid->show(); - } - - m_mWidget = wid; -} - -/** - * this is an overloaded member and only differs - * in the type of arguments. - * @see setMainWindow(QWidget*) - */ -void OWidgetStack::setMainWindow( int id) { - setMainWindow( widget( id ) ); -} - - -/* - * this function switches to a stack ;) - */ -void OWidgetStack::switchStack() { - if (m_stack ) { - m_stack->setGeometry( frameRect() ); - return; - } - - m_mode = SmallScreen; - m_stack = new QWidgetStack(this); - - connect(m_stack, SIGNAL(aboutToShow(QWidget*) ), - this, SIGNAL(aboutToShow(QWidget*) ) ); - connect(m_stack, SIGNAL(aboutToShow(int) ), - this, SIGNAL(aboutToShow(int) ) ); - - /* now reparent the widgets... luckily QWidgetSatck does most of the work */ - if (m_list.isEmpty() ) - return; - - QMap<int, QWidget*>::Iterator it = m_list.begin(); - for ( ; it != m_list.end(); ++it ) - m_stack->addWidget( it.data(), it.key() ); - - -} - -/* - * we will switch to top level mode - * reparent the list of widgets and then delete the stack - */ -void OWidgetStack::switchTop() { - m_mode = BigScreen; - /* this works because it is guaranteed that switchStack was called at least once*/ - if (!m_stack && m_mWidget) { - m_mWidget->setGeometry( frameRect() ); - return; - }else if (!m_stack) - return; - - if (!m_list.isEmpty() ) { - QMap<int, QWidget*>::Iterator it = m_list.begin(); - for ( ; it != m_list.end(); ++it ) { - /* better than reparenting twice */ - if ( it.data() == m_mWidget ) { - m_mWidget->reparent(this, 0, frameRect().topLeft() ); - m_mWidget->setGeometry( frameRect() ); - m_mWidget->show(); - }else - /* ### FIXME we need to place the widget better */ - it.data()->reparent(0, WType_TopLevel, QPoint(10, 10) ); - } - } - - delete m_stack; - m_stack = 0; -} |