/*----------------------------------------------------------------------*/
/* 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;
}
static void
Activate(Widget w, XEvent *event, String *params, Cardinal *num_params)
{
XmDrawnButtonCallbackStruct cbs;
DB_ClickCount(w) = 1;
DB_Armed(w) = False;
if (XtIsRealized(w))
XtClass(w)->core_class.expose(w, event, NULL);
if (event->xany.type == KeyPress || event->xany.type == KeyRelease ||
(event->xbutton.x >= 0 && event->xbutton.x < XtWidth(w) &&
event->xbutton.y >= 0 && event->xbutton.y < XtHeight(w)))
{
cbs.reason = XmCR_ACTIVATE;
cbs.event = event;
cbs.window = XtWindow(w);
cbs.click_count = DB_ClickCount(w);
if (XmIsRowColumn(XtParent(w)))
{
RC_MenuMenuCallback(w, &cbs);
}
if (!Lab_SkipCallback(w) && DB_ActivateCallback(w))
{
XFlush(XtDisplay(w));
XtCallCallbackList(w,
DB_ActivateCallback(w),
(XtPointer)&cbs);
}
}
}
/*----------------------------------------------------------------------*/
/* extern */ void
XfeMenuItemEraseAccent(Widget item,
unsigned char accent_type,
Dimension offset_left,
Dimension offset_right,
Dimension shadow_thickness,
Dimension accent_thickness)
{
Widget pw;
GC gc;
XGCValues values;
int subwindow_mode;
/* duh */
if (accent_type == XmACCENT_NONE)
{
return;
}
assert( _XfeIsAlive(item) );
assert( XmIsPushButton(item) || XmIsCascadeButton(item) );
pw = _XfeParent(item);
assert( XmIsRowColumn(pw) );
gc = _XfemBackgroundGC(pw);
/* Remember the old wubwindow mode values */
XGetGCValues(XtDisplay(item),gc,GCSubwindowMode,&values);
subwindow_mode = values.subwindow_mode;
/* Force the subwindow mode to IncludeInferiors */
XSetSubwindowMode(XtDisplay(item),gc,IncludeInferiors);
switch(accent_type)
{
case XmACCENT_BOTTOM:
AccentBottom(item,gc,None,offset_left,offset_right,
shadow_thickness,accent_thickness,ACCENT_ERASE);
break;
case XmACCENT_ALL:
AccentAll(item,gc,None,offset_left,offset_right,
shadow_thickness,accent_thickness,ACCENT_ERASE);
break;
case XmACCENT_TOP:
AccentTop(item,gc,None,offset_left,offset_right,
shadow_thickness,accent_thickness,ACCENT_ERASE);
break;
default:
break;
}
/* Restore the old subwindow mode */
XSetSubwindowMode(XtDisplay(item),gc,subwindow_mode);
}
/*----------------------------------------------------------------------*/
/* extern */ Widget
XfeMenuFindLastMoreMenu(Widget menu,String more_button_name)
{
Widget more_button;
Widget submenu;
assert( _XfeIsAlive(menu) );
assert( XmIsRowColumn(menu) );
assert( more_button_name != NULL );
/* First check if this menu is not full */
if (!XfeMenuIsFull(menu))
{
return menu;
}
/* Look for the "More..." button */
more_button = XfeMenuGetMoreButton(menu,more_button_name);
/* If no more button is found, then this menu is the last one */
if (!more_button)
{
return menu;
}
/* Get the submenu for the more button */
submenu = XfeCascadeGetSubMenu(more_button);
assert( _XfeIsAlive(submenu) );
/* Recurse into the submenu */
return XfeMenuFindLastMoreMenu(submenu,more_button_name);
}
/*----------------------------------------------------------------------*/
/* 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 */ Boolean
XfeMenuIsFull(Widget menu)
{
Dimension screen_height;
Widget last;
assert( _XfeIsAlive(menu) );
assert( XmIsRowColumn(menu) );
screen_height = XfeScreenHeight(menu);
last = XfeChildrenGetLast(menu);
if (!last)
{
return False;
}
/*
* The menu is "full" if its height plus that of a potential new child
* are longer than the screen height. Assume the new child will be
* the same height as the last child in the menu.
*/
if ((_XfeHeight(menu) + (3 * _XfeHeight(last))) > XfeScreenHeight(menu))
{
return True;
}
return False;
}
/*----------------------------------------------------------------------*/
/* extern */ unsigned char
XfeMenuType(Widget menu)
{
assert( _XfeIsAlive(menu) );
assert( XmIsRowColumn(menu) );
return RC_Type(menu);
}
/*----------------------------------------------------------------------*/
/* extern */ int
XfeMenuItemPositionIndex(Widget item)
{
XmRowColumnConstraintRec * rccp;
assert( _XfeIsAlive(item) );
assert( XmIsRowColumn(_XfeParent(item)) );
assert( XtIsObject(item) );
rccp = (XmRowColumnConstraintRec *) (item -> core . constraints);
return (int) rccp -> row_column . position_index;
}
/*----------------------------------------------------------------------*/
/* extern */ void
XfeMenuPositionXY(Widget menu,Position x_root,Position y_root)
{
XButtonPressedEvent be;
assert( _XfeIsAlive(menu) );
assert( XmIsRowColumn(menu) );
/* In the motif source code, only the x_root and y_root members are used */
be.x_root = x_root;
be.y_root = y_root;
XmMenuPosition(menu,&be);
}
static void geometry_hook(Widget wid, Widget hooked_widget, XtGeometryHookData call_data) {
XtWidgetGeometry *request;
JNIEnv *env;
struct ChoiceData *cdata;
struct WidgetInfo *winfo = NULL;
jobject target;
jobject parent;
jint y, height;
if ((call_data->widget == hooked_widget) &&
(call_data->type == XtHpostGeometry) &&
(call_data->result == XtGeometryYes)) {
request = call_data->request;
env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
DASSERT(env != NULL);
winfo=findWidgetInfo(hooked_widget);
if (winfo != NULL && XmIsRowColumn(hooked_widget)) {
target = (*env)->GetObjectField(env, (jobject)winfo->peer, mComponentPeerIDs.target);
cdata = (struct ChoiceData *) JNU_GetLongFieldAsPtr(env, (jobject)winfo->peer, mComponentPeerIDs.pData);
DASSERT(target != NULL);
DASSERT(cdata != NULL && cdata->comp.widget != NULL)
if (request->request_mode & CWHeight) {
height = (*env)->GetIntField(env, target, componentIDs.height);
if (request->height > 0 && request->height != height) {
parent = (*env)->CallObjectMethod(env, target, componentIDs.getParent);
if ((parent != NULL) && ((*env)->GetObjectField(env, parent, containerIDs.layoutMgr) != NULL)) {
y = cdata->bounds_y;
if (request->height < cdata->bounds_height) {
y += (cdata->bounds_height - request->height) / 2;
}
XtVaSetValues(hooked_widget, XmNy, y, NULL);
(*env)->SetIntField(env, target, componentIDs.y, y);
}
if (parent != NULL) {
(*env)->DeleteLocalRef(env, parent);
}
}
(*env)->SetIntField(env, target, componentIDs.height, request->height);
}
if (request->request_mode & CWWidth) {
(*env)->SetIntField(env, target, componentIDs.width, request->width);
}
(*env)->DeleteLocalRef(env, target);
}
/*----------------------------------------------------------------------*/
/* extern */ Widget
XfeMenuItemAtPosition(Widget menu,int position)
{
Widget item = NULL;
#if 0
XmRowColumnConstraintRec * rccp;
assert( _XfeIsAlive(item) );
assert( XmIsRowColumn(_XfeParent(item)) );
rccp = (XmRowColumnConstraintRec *) (item -> core . constraints);
return (int) rccp -> row_column . position_index;
#endif
return item;
}
/*----------------------------------------------------------------------*
*
* Traverse a menu hierarchy
*
*
*
*----------------------------------------------------------------------*/
/* extern */ Widget
XfeMenuGetMoreButton(Widget menu,String more_button_name)
{
Widget last;
assert( _XfeIsAlive(menu) );
assert( XmIsRowColumn(menu) );
assert( more_button_name != NULL );
last = XfeChildrenGetLast(menu);
if (_XfeIsAlive(last) &&
(XmIsCascadeButton(last) || XmIsCascadeButtonGadget(last)) &&
(strcmp(XtName(last),more_button_name) == 0))
{
return last;
}
return NULL;
}
/*----------------------------------------------------------------------*/
static void
Initialize(Widget rw,Widget nw,ArgList args,Cardinal *nargs)
{
XfeBmButtonPart * bmp = _XfeBmButtonPart(nw);
XmLabelPart * lp = _XfeXmLabelPart(nw);
assert( XmIsRowColumn(XtParent(nw)) );
/* Force the type to be string always */
lp->label_type = XmSTRING;
bmp->pixmap_GC = XfeAllocateTransparentGc(nw);
_XfePixmapPrepare(nw,
&lp->pixmap,
&bmp->pixmap_width,
&bmp->pixmap_height,
XmNlabelPixmap);
XfeOverrideTranslations(nw,_XfeBmButtonExtraTranslations);
}
/*----------------------------------------------------------------------*/
/* extern */ Boolean
XfeMenuIsOptionMenu(Widget menu)
{
return (XmIsRowColumn(menu) && (RC_Type(menu) == XmMENU_OPTION));
}
boolean MotifUI::SetOrder(int new_position)
{
if (XmIsRowColumn(((MotifUI *)Parent())->InnerWidget()))
XtVaSetValues(BaseWidget(), XmNpositionIndex, new_position, NULL);
return true;
}
