C++ QStatusBar::message方法代码示例

int LuaMainWindow::showStatusText(lua_State *L)
{
	// text, opt. duration ms
	checkAlive( L );
	QStatusBar* b = obj()->statusBar();
	if( lua_gettop(L) > 1 )
		b->message( luaL_checkstring( L, 1 ), luaL_checknumber( L, 2 ) );
	else
		b->message( luaL_checkstring( L, 1 ) );
	return 0;
}

/*
    \internal
    Checks for possible accelerators, if no widget
    ate the keypres, or we are in the middle of a
    partial key sequence.
*/
bool QAccelManager::dispatchAccelEvent( QWidget* w, QKeyEvent* e )
{
#ifndef QT_NO_STATUSBAR
    // Needs to be declared and used here because of "goto doclash"
    QStatusBar* mainStatusBar = 0;
#endif

    // Modifiers can NOT be accelerators...
    if ( e->key() >= Key_Shift &&
	 e->key() <= Key_Alt )
	 return FALSE;

    SequenceMatch result = Qt::NoMatch;
    QKeySequence tocheck, partial;
    QAccelPrivate* accel = 0;
    QAccelItem* item = 0;
    QAccelPrivate* firstaccel = 0;
    QAccelItem* firstitem = 0;
    QAccelPrivate* lastaccel = 0;
    QAccelItem* lastitem = 0;
    
    QKeyEvent pe = *e;
    int n = -1;
    int hasShift = (e->state()&Qt::ShiftButton)?1:0;
    bool identicalDisabled = FALSE;
    bool matchFound = FALSE;
    do {
	accel = accels.first();
	matchFound = FALSE;
	while ( accel ) {
	    if ( correctSubWindow( w, accel ) ) {
		if ( accel->enabled ) {
		    item = accel->aitems.last();
		    while( item ) {
			if ( Qt::Identical == (result = match( &pe, item, tocheck )) ) {
			    if ( item->enabled ) {
				if ( !firstaccel ) {
				    firstaccel = accel;
				    firstitem = item;
				}
				lastaccel = accel;
				lastitem = item;
				n++;
				matchFound = TRUE;
				if ( n > QMAX(clash,0) )
				    goto doclash;
			    } else {
				identicalDisabled = TRUE;
			    }
			}
			if ( item->enabled && Qt::PartialMatch == result ) {
			    partial = tocheck;
			    matchFound = TRUE;
			}
			item = accel->aitems.prev();
		    }
		} else {
		    item = accel->aitems.last();
		    while( item ) {
			if ( Qt::Identical == match( &pe, item, tocheck ) )
			    identicalDisabled = TRUE;
			item = accel->aitems.prev();
		    }
		}
	    }
	    accel = accels.next();
	}
	pe = QKeyEvent( QEvent::Accel, pe.key(), pe.ascii(), pe.state()&~Qt::ShiftButton, pe.text() );
    } while ( hasShift-- && !matchFound && !identicalDisabled );

#ifndef QT_NO_STATUSBAR
    mainStatusBar = (QStatusBar*) w->topLevelWidget()->child( 0, "QStatusBar" );
#endif
    if ( n < 0 ) { // no match found
	currentState = partial.count() ? PartialMatch : NoMatch;
#ifndef QT_NO_STATUSBAR
	// Only display message if we are, or were, in a partial match
	if ( mainStatusBar && (PartialMatch == currentState || intermediate.count() ) ) {
	    if ( currentState == Qt::PartialMatch ) {
		mainStatusBar->message( (QString)partial + ", ...", 0 );
	    } else if (!identicalDisabled) {
		QString message = QAccel::tr("%1, %2 not defined").
		    arg( (QString)intermediate ).
		    arg( QKeySequence::encodeString( e->key() | translateModifiers(e->state()) ) );
		mainStatusBar->message( message, 2000 );
		// Since we're a NoMatch, reset the clash count
		clash = -1;
	    } else {
	    	mainStatusBar->clear();
	    }
	}
#endif

	bool eatKey = (PartialMatch == currentState || intermediate.count() );
//.........这里部分代码省略.........