#include "QtxAction.h"
-#include <qpopupmenu.h>
-#include <qmenubar.h>
+#include <QtGui/qmenu.h>
+#include <QtGui/qevent.h>
+#include <QtGui/qmenubar.h>
+#include <QtGui/qapplication.h>
/*!
- Name: QtxAction [public]
- Desc: Constructs an action with given parent and name. If toggle is true the
- action will be a toggle action, otherwise it will be a command action.
-*/
+ \brief Constructor.
+
+ Create an action.
+ \param parent parent object
+ \param name action name (in terms of QObject)
+ \param toggle if \c true the action is a toggle action
+*/
QtxAction::QtxAction( QObject* parent, const char* name, bool toggle )
- : QAction( parent, name, toggle )
+: QAction( parent )
{
+ setObjectName( name );
+ setCheckable( toggle );
+
+ QApplication::instance()->installEventFilter( this );
}
/*!
- Name: QtxAction [public]
- Desc: This constructor creates an action with the following properties: the
- description text, the icon or iconset icon, the menu text and keyboard
- accelerator. It is a child of given parent and named specified name.
- If toggle is true the action will be a toggle action, otherwise it will
- be a command action.
-*/
+ \brief Constructor.
+
+ Create an action.
-QtxAction::QtxAction( const QString& text, const QIconSet& icon,
+ \param text tooltip text
+ \param icon iconset
+ \param menuText menu text
+ \param accel shortcut key sequence
+ \param parent parent object
+ \param name action name (in terms of QObject)
+ \param toggle if \c true the action is a toggle action
+*/
+QtxAction::QtxAction( const QString& text, const QIcon& icon,
const QString& menuText, int accel,
QObject* parent, const char* name, bool toggle )
- : QAction( text, icon, menuText, accel, parent, name, toggle )
+: QAction( icon, menuText, parent )
{
+ setToolTip( text );
+ setShortcut( accel );
+ setObjectName( name );
+ setCheckable( toggle );
+
+ QApplication::instance()->installEventFilter( this );
}
/*!
- Name: QtxAction [public]
- Desc: This constructor creates an action with the following properties: the
- description text, the menu text and keyboard accelerator. It is a child
- of given parent and named specified name. If toggle is true the action
- will be a toggle action, otherwise it will be a command action.
-*/
+ \brief Constructor.
+
+ Create an action.
+ \param text tooltip text
+ \param menuText menu text
+ \param accel shortcut key sequence
+ \param parent parent object
+ \param name action name (in terms of QObject)
+ \param toggle if \c true the action is a toggle action
+*/
QtxAction::QtxAction( const QString& text, const QString& menuText, int accel,
QObject* parent, const char* name, bool toggle )
- : QAction( text, menuText, accel, parent, name, toggle )
+: QAction( menuText, parent )
{
+ setToolTip( text );
+ setShortcut( accel );
+ setObjectName( name );
+ setCheckable( toggle );
+
+ QApplication::instance()->installEventFilter( this );
}
/*!
- Name: ~QtxAction [virtual public]
- Desc: Destructor.
+ \brief Destructor.
+
+ Does nothing for the moment.
*/
-
QtxAction::~QtxAction()
{
}
/*!
- Name: addTo [virtual public]
- Desc: Adds this action to widget. Returns true if the action was added
- successfully and false otherwise.
+ \brief Event filter.
+
+ Redefined from QObject. Calls virtual methods when the action is added to
+ the widget or removed from it in order to perform custom processing.
+ \param o object
+ \param e event
+ \return default implementation
*/
-
-bool QtxAction::addTo( QWidget* w )
+bool QtxAction::eventFilter( QObject* o, QEvent* e )
{
- if ( w->inherits( "QMenuBar" ) ) {
- // --- Add action to the QMenuBar ---
- // n.b. currently for the actions inserted to the menu bar
- // the following properties are not supported:
- // * tooltips
- // * what's this info
- // * toggle mode
- QMenuBar* mb = (QMenuBar*)w;
- if ( myMenuIds.find( w ) != myMenuIds.end() )
- return false; // already added
- if ( name() == "qt_separator_action" ) // separator
- myMenuIds[ w ] = mb->insertSeparator();
- else if ( iconSet().isNull() ) // has no icon
- myMenuIds[ w ] = mb->insertItem( menuText(), this, SIGNAL( activated() ), accel() );
- else // has icon
- myMenuIds[ w ] = mb->insertItem( iconSet(), menuText(), this, SIGNAL( activated() ), accel() );
- mb->setItemEnabled( myMenuIds[ w ], isEnabled() );
- mb->setItemVisible( myMenuIds[ w ], isVisible() );
- return true;
+ if ( o && o->isWidgetType() )
+ {
+ if ( e->type() == QEvent::ActionAdded && ((QActionEvent*)e)->action() == this )
+ addedTo( (QWidget*)o );
+ if ( e->type() == QEvent::ActionRemoved && ((QActionEvent*)e)->action() == this )
+ removedFrom( (QWidget*)o );
}
- return QAction::addTo( w );
+ return QAction::eventFilter( o, e );
}
/*!
- Name: addTo [virtual public]
- Desc: Adds this action to widget. If widget is QPopupMenu given index will
- be used for menu item inserting. Returns true if the action was added
- successfully and false otherwise.
+ \brief Add action to widget.
+ \param w widget (menu or toolbar)
+ \return \c true if the action is added successfully and \c false otherwise.
*/
+bool QtxAction::addTo( QWidget* w )
+{
+ if ( !w )
+ return false;
+
+ w->addAction( this );
+ return true;
+}
+
+/*!
+ \brief Add action to widget.
+
+ The function adds the action to the menu or toolbar widget at the
+ specified \a index. If \a index is negative or greater than number of
+ items in the menu/toolbar, the action is added to the end of list.
+ \param w widget (menu or toolbar)
+ \param index index of the action in the action list
+ \return \c true if the action is added successfully and \c false otherwise.
+*/
bool QtxAction::addTo( QWidget* w, const int index )
{
- if ( !addTo( w ) )
+ if ( !w )
return false;
- if ( w->inherits( "QPopupMenu" ) ) {
- // --- Add action to the QPopupMenu ---
- QPopupMenu* popup = (QPopupMenu*)w;
- if ( index >= 0 && index < (int)popup->count() - 1 ) {
- int id = popup->idAt( popup->count() - 1 );
- if ( id != -1 ) {
- QMenuItem* item = popup->findItem( id );
- if ( item && item->isSeparator() ) {
- popup->removeItem( id );
- popup->insertSeparator( index );
- }
- else {
- QPopupMenu* p = item ? item->popup() : 0;
- int accel = popup->accel( id );
- bool isOn = popup->isItemEnabled( id );
- bool isVisible = popup->isItemVisible( id );
- bool isChecked = popup->isItemChecked( id );
- QString text = popup->text( id );
- QIconSet icon;
- if ( popup->iconSet( id ) )
- icon = *popup->iconSet( id );
- popup->removeItem( id );
- int pos;
- if ( icon.isNull() )
- if ( p )
- pos = popup->indexOf( popup->insertItem( text, p, id, index ) );
- else
- pos = popup->indexOf( popup->insertItem( text, id, index ) );
- else
- if ( p )
- pos = popup->indexOf( popup->insertItem( icon, text, p, id, index ) );
- else
- pos = popup->indexOf( popup->insertItem( icon, text, p, id, index ) );
- popup->setId( pos, id );
- popup->setAccel( accel, id );
- popup->setItemEnabled( id, isOn );
- popup->setItemVisible( id, isVisible );
- popup->setItemChecked( id, isChecked );
- if ( !whatsThis().isEmpty() )
- popup->setWhatsThis( id, whatsThis() );
- if ( !p )
- popup->connectItem( id, this, SLOT( internalActivation() ) );
- }
- }
- }
- }
- else if ( w->inherits( "QMenuBar" ) ) {
- // --- Add action to the QMenuBar ---
- QMenuBar* mb = (QMenuBar*)w;
- if ( index >= 0 && index < (int)mb->count() - 1 ) {
- int id = mb->idAt( mb->count() - 1 );
- if ( id != -1 ) {
- QMenuItem* item = mb->findItem( id );
- if ( item && item->isSeparator() ) {
- mb->removeItem( id );
- mb->insertSeparator( index );
- }
- else {
- QPopupMenu* p = item ? item->popup() : 0;
- int accel = mb->accel( id );
- bool isOn = mb->isItemEnabled( id );
- bool isVisible = mb->isItemVisible( id );
- QString text = mb->text( id );
- QIconSet icon;
- if ( mb->iconSet( id ) )
- icon = *mb->iconSet( id );
- mb->removeItem( id );
- int pos;
- if ( icon.isNull() )
- if ( p )
- pos = mb->indexOf( mb->insertItem( text, p, id, index ) );
- else
- pos = mb->indexOf( mb->insertItem( text, id, index ) );
- else
- if ( p )
- pos = mb->indexOf( mb->insertItem( icon, text, p, id, index ) );
- else
- pos = mb->indexOf( mb->insertItem( icon, text, p, id, index ) );
- mb->setId( pos, id );
- mb->setAccel( accel, id );
- mb->setItemEnabled( id, isOn );
- mb->setItemVisible( id, isVisible );
- if ( !p )
- mb->connectItem( id, this, SIGNAL( activated() ) );
- }
- }
- }
- }
+ QAction* b = 0;
+ if ( 0 <= index && index < w->actions().count() )
+ b = w->actions().at( index );
+
+ w->insertAction( b, this );
+
return true;
}
/*!
- Name: removeFrom [virtual public]
- Desc: Removes this action from widget. Returns true if the action was removed
- successfully and false otherwise.
+ \brief Remove action from widget.
+ \param w widget (menu or toolbar)
+ \return \c true if the action is removed successfully and \c false otherwise.
*/
-
bool QtxAction::removeFrom( QWidget* w )
{
- // check if widget is QMenuBar
- if ( w->inherits( "QMenuBar" ) ) {
- QMenuBar* mb = (QMenuBar*)w;
- if ( myMenuIds.find( w ) == myMenuIds.end() )
- return false; // not yet added
- mb->removeItem( myMenuIds[ w ] );
- myMenuIds.remove( w );
- return true;
- }
- return QAction::removeFrom( w );
+ if ( !w )
+ return false;
+
+ w->removeAction( this );
+ return true;
}
/*!
- Name: setPopup [virtual public]
- Desc: Set or unset the sub popup menu for item with specified id in the given popup.
-*/
+ \brief Called when the action is added to the widget.
+
+ Base implementation does nothing. Can be redefined in the successor
+ class to customize the behavior.
-void QtxAction::setPopup( QWidget* w, const int id, QPopupMenu* subPopup ) const
+ \param w widget (menu or toolbar)
+*/
+void QtxAction::addedTo( QWidget* /*w*/ )
{
- if ( !w )
- return;
-
- QMenuData* pmd = 0;
-
- if ( w->inherits( "QPopupMenu" ) )
- pmd = ::qt_cast<QPopupMenu*>( w );
- else if ( w->inherits( "QMenuBar" ) )
- pmd = ::qt_cast<QMenuBar*>( w );
-
- if ( !pmd )
- return; // bad widget
-
- QMenuData* md = 0;
- QMenuItem* item = pmd->findItem( id, &md );
- if ( !item || md != pmd )
- return; // item is not found
-
- QPopupMenu* oldPopup = item->popup();
- if ( oldPopup == subPopup )
- return; // popup is not changed
-
- // get properties
- int accel = pmd->accel( id );
- bool isOn = pmd->isItemEnabled( id );
- bool isVisible = pmd->isItemVisible( id );
- int pos = pmd->indexOf( id );
- QString text = pmd->text( id );
- QIconSet icon;
- if ( pmd->iconSet( id ) )
- icon = *pmd->iconSet( id );
-
- // remove previous item
- pmd->removeItem( id );
-
- // add new item
- if ( w->inherits( "QPopupMenu" ) ) {
- // --- QPopupMenu ---
- QPopupMenu* popup = (QPopupMenu*)w;
- if ( icon.isNull() )
- pos = popup->indexOf( subPopup ? popup->insertItem( text, subPopup, id, pos ) :
- popup->insertItem( text, id, pos ) );
- else
- pos = popup->indexOf( subPopup ? popup->insertItem( icon, text, subPopup, id, pos ) :
- popup->insertItem( icon, text, id, pos ) );
- }
- else {
- // --- QMenuBar ---
- QMenuBar* mb = (QMenuBar*)w;
- if ( icon.isNull() )
- pos = mb->indexOf( subPopup ? mb->insertItem( text, subPopup, id, pos ) :
- mb->insertItem( text, id, pos ) );
- else
- pos = mb->indexOf( subPopup ? mb->insertItem( icon, text, subPopup, id, pos ) :
- mb->insertItem( icon, text, id, pos ) );
- }
+}
- // restore properties
- pmd->setId( pos, id ); // for sure (if id < 0)
- pmd->setAccel( accel, id );
- pmd->setItemEnabled( id, isOn );
- pmd->setItemVisible( id, isVisible );
+/*!
+ \brief Called when the action is removed from the widget.
- // delete old popup
- delete oldPopup;
-}
+ Base implementation does nothing. Can be redefined in the successor
+ class to customize the behavior.
+ \param w widget (menu or toolbar)
+*/
+void QtxAction::removedFrom( QWidget* /*w*/ )
+{
+}
