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flightgear/PUI/puMenuBar.cxx

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1998-06-12 01:04:52 +00:00
#include "puLocal.h"
void drop_down_the_menu ( puObject *b )
{
puPopupMenu *p = (puPopupMenu *) b -> getUserData () ;
if ( b -> getValue () )
p->reveal () ;
else
p->hide () ;
for ( puObject *child = b -> getParent () -> getFirstChild () ;
child != NULL ; child = child -> next )
{
if (( child -> getType() & PUCLASS_BUTTON ) != 0 && child != b ) child -> clrValue () ;
if (( child -> getType() & PUCLASS_POPUPMENU ) != 0 && child != p ) child -> hide () ;
}
}
void puMenuBar::add_submenu ( char *str, char *items[], puCallback cb[] )
{
int w, h ;
getSize ( &w, &h ) ;
puOneShot *b = new puOneShot ( w+10, 0, str ) ;
b -> setStyle ( PUSTYLE_SPECIAL_UNDERLINED ) ;
b -> setColourScheme ( colour[PUCOL_FOREGROUND][0],
colour[PUCOL_FOREGROUND][1],
colour[PUCOL_FOREGROUND][2],
colour[PUCOL_FOREGROUND][3] ) ;
b -> setCallback ( drop_down_the_menu ) ;
b -> setActiveDirn ( PU_UP_AND_DOWN ) ;
puPopupMenu *p = new puPopupMenu ( w+10, 0 ) ;
b -> setUserData ( p ) ;
for ( int i = 0 ; items[i] != NULL ; i++ )
p -> add_item ( items[i], cb[i] ) ;
p->close () ;
recalc_bbox () ;
}
void puMenuBar::close (void)
{
puInterface::close () ;
if ( dlist == NULL )
return ;
int width = 0 ;
puObject *ob ;
/*
Use alternate objects - which gets the puOneShot/puPopupMenu pairs
*/
for ( ob = dlist ; ob != NULL ; ob = ob -> next )
{
int w, h ;
/* Reposition the button so it looks nice */
ob -> getSize ( &w, &h ) ;
ob -> setPosition ( width, 0 ) ;
ob = ob -> next ;
/* Reposition the submenu so it sits under the button */
int w2, h2 ;
ob -> getSize ( &w2, &h2 ) ;
ob -> setPosition ( width, -h2 ) ;
/* Next please! */
width += w ;
}
recalc_bbox () ;
}