/*----------------------------------------------------------------------*/
/* extern */ int
XfeChildGetIndex(Widget w)
{
Widget parent = XtParent(w);
assert( _XfeIsAlive(w) );
parent = XtParent(w);
assert( _XfeIsAlive(parent) );
if (_XfemNumChildren(parent) && _XfemChildren(parent))
{
Cardinal i = 0;
for (i = 0; i < _XfemNumChildren(parent); i++)
{
if (_XfemChildren(parent)[i] == w)
{
return i;
}
}
}
return -1;
}
/*----------------------------------------------------------------------*/
/* extern */ Widget
XfeChildrenGetLast(Widget w)
{
assert( _XfeIsAlive(w) );
assert( XtIsComposite(w) );
if (_XfemChildren(w) && _XfemNumChildren(w))
{
return _XfemChildren(w)[ _XfemNumChildren(w) - 1 ];
}
return NULL;
}
/*----------------------------------------------------------------------*/
/* extern */ Widget
XfeMenuItemPreviousItem(Widget item)
{
int position_index;
Widget parent;
Cardinal num_children;
Widget previous = NULL;
assert( _XfeIsAlive(item) );
assert( XtIsObject(item) );
parent = _XfeParent(item);
assert( XmIsRowColumn(_XfeParent(item)) );
position_index = XfeMenuItemPositionIndex(item);
num_children = _XfemNumChildren(parent);
if (position_index > 0)
{
previous = _XfeChildrenIndex(parent,position_index - 1);
}
return previous;
}
/*----------------------------------------------------------------------*/
/* extern */ Widget
XfeMenuItemNextItem(Widget item)
{
int position_index;
Widget parent;
Cardinal num_children;
Widget next = NULL;
assert( _XfeIsAlive(item) );
assert( XtIsObject(item) );
parent = _XfeParent(item);
assert( XmIsRowColumn(_XfeParent(item)) );
position_index = XfeMenuItemPositionIndex(item);
num_children = _XfemNumChildren(parent);
if (position_index < (num_children - 1))
{
next = _XfeChildrenIndex(parent,position_index + 1);
}
return next;
}
/*----------------------------------------------------------------------*/
/* extern */ Cardinal
XfeNumChildren(Widget w)
{
assert( XtIsComposite(w) );
return _XfemNumChildren(w);
}
/*----------------------------------------------------------------------*/
/* extern */ void
XfeChildrenDestroy(Widget w)
{
Widget * children;
Cardinal i;
assert( _XfeIsAlive(w) );
assert( XtIsComposite(w) );
/* Make sure the widget has children */
if (!_XfemNumChildren(w))
{
return;
}
/* Allocate space for a temporary children array */
children = (Widget *) XtMalloc(sizeof(Widget) * _XfemNumChildren(w));
/* Copy the widget ids */
for (i = 0; i < _XfemNumChildren(w); i++)
{
children[i] = _XfemChildren(w)[i];
}
/* Destroy the children */
for (i = 0; i < _XfemNumChildren(w); i++)
{
if (_XfeIsAlive(children[i]))
{
XtDestroyWidget(children[i]);
}
}
XtFree((char *) children);
/* Update an flush in case the destruction takes a long time */
XmUpdateDisplay(w);
XFlush(XtDisplay(w));
}
/*----------------------------------------------------------------------*/
static void
AccentBottom(Widget w,
GC top_gc,
GC bottom_gc,
Dimension offset_left,
Dimension offset_right,
Dimension shadow_thickness,
Dimension accent_thickness,
int code)
{
Widget pw = _XfeParent(w);
int position_index = XfeMenuItemPositionIndex(w);
Cardinal num_children = _XfemNumChildren(pw);
Position x;
Position y;
Dimension width;
Dimension height = 2 * shadow_thickness + accent_thickness;
assert( code == ACCENT_DRAW || code == ACCENT_ERASE );
/* Last item */
if (position_index == (num_children - 1))
{
x = _XfeX(w) + offset_left;
y = _XfeY(w) + _XfeHeight(w) - height;
width = _XfeWidth(w) - offset_left - offset_right;
}
/* Any other item */
else
{
x = _XfeX(w) + offset_left;
y = _XfeY(w) + _XfeHeight(w) - height / 2;
width = _XfeWidth(w) - offset_left - offset_right;
}
if (code == ACCENT_DRAW)
{
/* Draw accent */
_XmDrawShadows(XtDisplay(pw),_XfeWindow(pw),top_gc,bottom_gc,
x,y,width,height,shadow_thickness,XmSHADOW_IN);
}
else
{
/* Erase accent */
XfeDrawRectangle(XtDisplay(pw),_XfeWindow(pw),top_gc,
x,y,width,height,shadow_thickness);
}
}
/*----------------------------------------------------------------------*/
/* extern */ void
XfeChildrenGet(Widget w,WidgetList * children,Cardinal * num_children)
{
assert( _XfeIsAlive(w) );
assert( XtIsComposite(w) );
assert( (children != NULL) || (num_children != NULL) );
if (children)
{
*children = _XfemChildren(w);
}
if (num_children)
{
*num_children = _XfemNumChildren(w);
}
}
/*----------------------------------------------------------------------*/
/* extern */ void
XfeOptionMenuSetItem(Widget menu,Cardinal i)
{
Widget submenu;
assert( _XfeIsAlive(menu) );
assert( XfeMenuIsOptionMenu(menu) );
submenu = RC_OptionSubMenu(menu);
if (_XfeIsAlive(submenu))
{
if ((i >= 0) && (i < _XfemNumChildren(submenu)))
{
XtVaSetValues(menu,XmNmenuHistory,_XfeChildrenIndex(submenu,i),NULL);
}
}
}
/*----------------------------------------------------------------------*/
/* extern */ Cardinal
XfeChildrenCountAlive(Widget w)
{
Cardinal num_alive = 0;
Cardinal i;
assert( w != NULL );
for (i = 0; i < _XfemNumChildren(w); i ++)
{
if (_XfeIsAlive(_XfeChildrenIndex(w,i)))
{
num_alive++;
}
}
return num_alive;
}
/*----------------------------------------------------------------------*/
/* extern */ Cardinal
XfeChildrenGetNumManaged(Widget w)
{
Cardinal i;
Cardinal num_managed = 0;
assert( _XfeIsAlive(w) );
assert( XtIsComposite(w) );
for (i = 0; i < _XfemNumChildren(w); i++)
{
if (_XfeIsManaged(_XfeChildrenIndex(w,i)))
{
num_managed++;
}
}
return num_managed;
}
/*----------------------------------------------------------------------*/
/* extern */ int
XfeOptionMenuGetItem(Widget menu)
{
Cardinal i;
Widget submenu;
assert( _XfeIsAlive(menu) );
assert( XfeMenuIsOptionMenu(menu) );
submenu = RC_OptionSubMenu(menu);
if (_XfeIsAlive(submenu))
{
for (i = 0; i < _XfemNumChildren(submenu); i++)
{
if (_XfeChildrenIndex(submenu,i) == RC_MemWidget(menu))
{
return (int) i;
}
}
}
return -1;
}
/*----------------------------------------------------------------------*/
static void
AccentAll(Widget w,
GC top_gc,
GC bottom_gc,
Dimension offset_left,
Dimension offset_right,
Dimension shadow_thickness,
Dimension accent_thickness,
int code)
{
#if 1
if (code == ACCENT_DRAW)
{
/* Draw accent */
_XmDrawShadows(XtDisplay(w),_XfeWindow(w),
top_gc,bottom_gc,
_XfeHighlightThickness(w),
_XfeHighlightThickness(w),
_XfeWidth(w) - 2 * _XfeHighlightThickness(w),
_XfeHeight(w) - 2 * _XfeHighlightThickness(w),
_XfeShadowThickness(w),
XmSHADOW_OUT);
}
else
{
/* Erase accent */
XfeDrawRectangle(XtDisplay(w),_XfeWindow(w),top_gc,
_XfeHighlightThickness(w),
_XfeHighlightThickness(w),
_XfeWidth(w) - 2 * _XfeHighlightThickness(w),
_XfeHeight(w) - 2 * _XfeHighlightThickness(w),
_XfeShadowThickness(w));
}
#else
Widget pw = _XfeParent(w);
int position_index = XfeMenuItemPositionIndex(w);
Cardinal num_children = _XfemNumChildren(pw);
Position x;
Position y;
Dimension width;
Dimension height;
Dimension total_thickness = shadow_thickness + accent_thickness;
assert( code == ACCENT_DRAW || code == ACCENT_ERASE );
/* One and only */
if (num_children == 1)
{
x = _XfeX(w) + offset_left;
y = _XfeY(w);
width = _XfeWidth(w) - offset_left - offset_right;
height = _XfeHeight(w);
}
else
{
Dimension overlap = (2 * shadow_thickness + accent_thickness) / 2;
/* First item */
if (position_index == 0)
{
x = _XfeX(w) + offset_left;
y = _XfeY(w);
width = _XfeWidth(w) - offset_left - offset_right;
height = _XfeHeight(w) + overlap;
}
/* Last item */
else if (position_index == (num_children - 1))
{
x = _XfeX(w) + offset_left;
y = _XfeY(w) - overlap;
width = _XfeWidth(w) - offset_left - offset_right;
height = _XfeHeight(w) + overlap;
}
/* In between two others */
else
{
x = _XfeX(w) + offset_left;
y = _XfeY(w) - overlap;
width = _XfeWidth(w) - offset_left - offset_right;
height = _XfeHeight(w) + 2 * total_thickness;
}
}
if (code == ACCENT_DRAW)
{
/* Draw accent */
_XmDrawShadows(XtDisplay(pw),_XfeWindow(pw),top_gc,bottom_gc,
x,y,width,height,shadow_thickness,XmSHADOW_IN);
x += total_thickness;
y += total_thickness;
width -= (2 * total_thickness);
height -= (2 * total_thickness);
_XmDrawShadows(XtDisplay(pw),_XfeWindow(pw),top_gc,bottom_gc,
x,y,width,height,shadow_thickness,XmSHADOW_OUT);
}
else
{
/* Erase accent */
XfeDrawRectangle(XtDisplay(pw),_XfeWindow(pw),top_gc,
x,y,width,height,shadow_thickness);
x += total_thickness;
y += total_thickness;
width -= (2 * total_thickness);
height -= (2 * total_thickness);
XfeDrawRectangle(XtDisplay(pw),_XfeWindow(pw),top_gc,
x,y,width,height,shadow_thickness);
}
#endif
}
