diff options
Diffstat (limited to 'plugins/src/accessible/widgets/qaccessiblemenu.cpp')
| -rw-r--r-- | plugins/src/accessible/widgets/qaccessiblemenu.cpp | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/plugins/src/accessible/widgets/qaccessiblemenu.cpp b/plugins/src/accessible/widgets/qaccessiblemenu.cpp new file mode 100644 index 0000000..1bc465f --- /dev/null +++ b/plugins/src/accessible/widgets/qaccessiblemenu.cpp @@ -0,0 +1,323 @@ +#include "qaccessiblemenu.h" + +#include <qpopupmenu.h> +#include <qmenubar.h> +#include <qstyle.h> + +class MyPopupMenu : public QPopupMenu +{ + friend class QAccessiblePopup; +}; + +QAccessiblePopup::QAccessiblePopup( QObject *o ) +: QAccessibleWidget( o ) +{ + Q_ASSERT( o->inherits("QPopupMenu") ); +} + +QPopupMenu *QAccessiblePopup::popupMenu() const +{ + return (QPopupMenu*)object(); +} + +int QAccessiblePopup::childCount() const +{ + return popupMenu()->count(); +} + +QRESULT QAccessiblePopup::queryChild( int /*control*/, QAccessibleInterface **iface ) const +{ + *iface = 0; + return QS_FALSE; +} + +QRect QAccessiblePopup::rect( int control ) const +{ + if ( !control ) + return QAccessibleWidget::rect( control ); + + QRect r = popupMenu()->itemGeometry( control - 1 ); + QPoint tlp = popupMenu()->mapToGlobal( QPoint( 0,0 ) ); + + return QRect( tlp.x() + r.x(), tlp.y() + r.y(), r.width(), r.height() ); +} + +int QAccessiblePopup::controlAt( int x, int y ) const +{ + QPoint p = popupMenu()->mapFromGlobal( QPoint( x,y ) ); + MyPopupMenu *mp = (MyPopupMenu*)popupMenu(); + return mp->itemAtPos( p, FALSE ) + 1; +} + +int QAccessiblePopup::navigate( NavDirection direction, int startControl ) const +{ + if ( direction != NavFirstChild && direction != NavLastChild && direction != NavFocusChild && !startControl ) + return QAccessibleWidget::navigate( direction, startControl ); + + switch ( direction ) { + case NavFirstChild: + return 1; + case NavLastChild: + return childCount(); + case NavNext: + case NavDown: + return (startControl + 1) > childCount() ? -1 : startControl + 1; + case NavPrevious: + case NavUp: + return (startControl - 1) < 1 ? -1 : startControl - 1; + default: + break; + } + return -1; +} + +QString QAccessiblePopup::text( Text t, int control ) const +{ + QString tx = QAccessibleWidget::text( t, control ); + if ( !!tx ) + return tx; + + int id; + QMenuItem *item = 0; + if ( control ) { + id = popupMenu()->idAt( control - 1 ); + item = popupMenu()->findItem( id ); + } + + switch ( t ) { + case Name: + if ( !control ) + return popupMenu()->caption(); + return stripAmp( popupMenu()->text( id ) ); + case Help: + return popupMenu()->whatsThis( id ); + case Accelerator: + return hotKey( popupMenu()->text( id ) ); + case DefaultAction: + if ( !item || item->isSeparator() || !item->isEnabled() ) + break; + if ( item->popup() ) + return QPopupMenu::tr("Open"); + return QPopupMenu::tr("Execute"); + default: + break; + } + return tx; +} + +QAccessible::Role QAccessiblePopup::role( int control ) const +{ + if ( !control ) + return PopupMenu; + + QMenuItem *item = popupMenu()->findItem( popupMenu()->idAt( control -1 ) ); + if ( item && item->isSeparator() ) + return Separator; + return MenuItem; +} + +QAccessible::State QAccessiblePopup::state( int control ) const +{ + int s = QAccessibleWidget::state( control ); + if ( !control ) + return (State)s; + + int id = popupMenu()->idAt( control -1 ); + QMenuItem *item = popupMenu()->findItem( id ); + if ( !item ) + return (State)s; + + if ( popupMenu()->style().styleHint( QStyle::SH_PopupMenu_MouseTracking ) ) + s |= HotTracked; + if ( item->isSeparator() || !item->isEnabled() ) + s |= Unavailable; + if ( popupMenu()->isCheckable() && item->isChecked() ) + s |= Checked; + if ( popupMenu()->isItemActive( id ) ) + s |= Focused; + + return (State)s; +} + +bool QAccessiblePopup::doDefaultAction( int control ) +{ + if ( !control ) + return FALSE; + + int id = popupMenu()->idAt( control -1 ); + QMenuItem *item = popupMenu()->findItem( id ); + if ( !item || !item->isEnabled() ) + return FALSE; + + popupMenu()->activateItemAt( control - 1); + return TRUE; +} + +bool QAccessiblePopup::setFocus( int control ) +{ + if ( !control ) + return FALSE; + + int id = popupMenu()->idAt( control -1 ); + QMenuItem *item = popupMenu()->findItem( id ); + if ( !item || !item->isEnabled() ) + return FALSE; + + popupMenu()->setActiveItem( control - 1 ); + return TRUE; +} + + +class MyMenuBar : public QMenuBar +{ + friend class QAccessibleMenuBar; +}; + +QAccessibleMenuBar::QAccessibleMenuBar( QObject *o ) +: QAccessibleWidget( o ) +{ + Q_ASSERT( o->inherits( "QMenuBar" ) ); +} + +QMenuBar *QAccessibleMenuBar::menuBar() const +{ + return (QMenuBar*)object(); +} + +int QAccessibleMenuBar::childCount() const +{ + return menuBar()->count(); +} + +QRESULT QAccessibleMenuBar::queryChild( int /*control*/, QAccessibleInterface **iface ) const +{ + *iface = 0; + return QS_FALSE; +} + +QRect QAccessibleMenuBar::rect( int control ) const +{ + if ( !control ) + return QAccessibleWidget::rect( control ); + + MyMenuBar *mb = (MyMenuBar*)menuBar(); + QRect r = mb->itemRect( control - 1 ); + QPoint tlp = mb->mapToGlobal( QPoint( 0,0 ) ); + + return QRect( tlp.x() + r.x(), tlp.y() + r.y(), r.width(), r.height() ); +} + +int QAccessibleMenuBar::controlAt( int x, int y ) const +{ + MyMenuBar *mb = (MyMenuBar*)menuBar(); + QPoint p = mb->mapFromGlobal( QPoint( x,y ) ); + return mb->itemAtPos( p ) + 1; +} + +int QAccessibleMenuBar::navigate( NavDirection direction, int startControl ) const +{ + if ( direction != NavFirstChild && direction != NavLastChild && direction != NavFocusChild && !startControl ) + return QAccessibleWidget::navigate( direction, startControl ); + + switch ( direction ) { + case NavFirstChild: + return 1; + case NavLastChild: + return childCount(); + case NavNext: + case NavRight: + return (startControl + 1) > childCount() ? -1 : startControl + 1; + case NavPrevious: + case NavLeft: + return (startControl - 1) < 1 ? -1 : startControl - 1; + default: + break; + } + + return -1; +} + +QString QAccessibleMenuBar::text( Text t, int control ) const +{ + QString tx = QAccessibleWidget::text( t, control ); + if ( !!tx ) + return tx; + if ( !control ) + return tx; + + int id = menuBar()->idAt( control - 1 ); + switch ( t ) { + case Name: + return stripAmp( menuBar()->text( id ) ); + case Accelerator: + tx = hotKey( menuBar()->text( id ) ); + if ( !!tx ) + return "Alt + "+tx; + break; + case DefaultAction: + return QMenuBar::tr("Open"); + default: + break; + } + + return tx; +} + +QAccessible::Role QAccessibleMenuBar::role( int control ) const +{ + if ( !control ) + return MenuBar; + + QMenuItem *item = menuBar()->findItem( menuBar()->idAt( control -1 ) ); + if ( item && item->isSeparator() ) + return Separator; + return MenuItem; +} + +QAccessible::State QAccessibleMenuBar::state( int control ) const +{ + int s = QAccessibleWidget::state( control ); + if ( !control ) + return (State)s; + + int id = menuBar()->idAt( control -1 ); + QMenuItem *item = menuBar()->findItem( id ); + if ( !item ) + return (State)s; + + if ( menuBar()->style().styleHint( QStyle::SH_PopupMenu_MouseTracking ) ) + s |= HotTracked; + if ( item->isSeparator() || !item->isEnabled() ) + s |= Unavailable; + if ( menuBar()->isItemActive( id ) ) + s |= Focused; + + return (State)s; +} + +bool QAccessibleMenuBar::doDefaultAction( int control ) +{ + if ( !control ) + return FALSE; + + int id = menuBar()->idAt( control -1 ); + QMenuItem *item = menuBar()->findItem( id ); + if ( !item || !item->isEnabled() ) + return FALSE; + + menuBar()->activateItemAt( control - 1); + return TRUE; +} + +bool QAccessibleMenuBar::setFocus( int control ) +{ + if ( !control ) + return FALSE; + + int id = menuBar()->idAt( control -1 ); + QMenuItem *item = menuBar()->findItem( id ); + if ( !item || !item->isEnabled() ) + return FALSE; + + return TRUE; +} |