simgear/PUI/puPopupMenu.cxx
1998-06-12 01:04:52 +00:00

128 lines
2.6 KiB
C++

#include "puLocal.h"
#define PUMENU_BUTTON_HEIGHT 25
#define PUMENU_BUTTON_EXTRA_WIDTH 25
puObject *puPopupMenu::add_item ( char *str, puCallback cb )
{
int w, h ;
getSize ( &w, &h ) ;
puOneShot *b = new puOneShot ( 0, h, str ) ;
b->setStyle ( PUSTYLE_PLAIN ) ;
b->setColourScheme ( colour[PUCOL_FOREGROUND][0],
colour[PUCOL_FOREGROUND][1],
colour[PUCOL_FOREGROUND][2],
colour[PUCOL_FOREGROUND][3] ) ;
b->setCallback ( cb ) ;
recalc_bbox () ;
return b ;
}
void puPopupMenu::close ( void )
{
puPopup::close () ;
int widest = 0 ;
puObject *ob = dlist ;
for ( ob = dlist ; ob != NULL ; ob = ob -> next )
{
int w, h ;
ob -> getSize ( &w, &h ) ;
if ( w > widest ) widest = w ;
}
for ( ob = dlist ; ob != NULL ; ob = ob -> next )
ob -> setSize ( widest, PUMENU_BUTTON_HEIGHT ) ;
recalc_bbox () ;
}
int puPopupMenu::checkKey ( int key, int updown )
{
if ( dlist == NULL || ! isVisible () || ! isActive () )
return FALSE ;
if ( updown == PU_DOWN )
{
hide () ;
/* Turn everything off ready for next time. */
for ( puObject *bo = dlist ; bo != NULL ; bo = bo->next )
bo -> clrValue () ;
}
puObject *bo ;
/*
We have to walk the list backwards to ensure that
the click order is the same as the DRAW order.
*/
for ( bo = dlist ; bo->next != NULL ; bo = bo->next )
/* Find the last object in our list. */ ;
for ( ; bo != NULL ; bo = bo->prev )
if ( bo -> checkKey ( key, updown ) )
return TRUE ;
return FALSE ;
}
int puPopupMenu::checkHit ( int button, int updown, int x, int y )
{
if ( dlist == NULL || ! isVisible () || ! isActive () )
return FALSE ;
/* Must test 'isHit' before making the menu invisible! */
int hit = isHit ( x, y ) ;
if ( updown == active_mouse_edge || active_mouse_edge == PU_UP_AND_DOWN )
{
hide () ;
/* Turn everything off ready for next time. */
for ( puObject *bo = dlist ; bo != NULL ; bo = bo->next )
bo -> clrValue () ;
}
if ( ! hit )
return FALSE ;
/*
This might be a bit redundant - but it's too hard to keep
track of changing abox sizes when daughter objects are
changing sizes.
*/
recalc_bbox () ;
puObject *bo ;
x -= abox.min[0] ;
y -= abox.min[1] ;
/*
We have to walk the list backwards to ensure that
the click order is the same as the DRAW order.
*/
for ( bo = dlist ; bo->next != NULL ; bo = bo->next )
/* Find the last object in our list. */ ;
for ( ; bo != NULL ; bo = bo->prev )
if ( bo -> checkHit ( button, updown, x, y ) )
return TRUE ;
return FALSE ;
}