extern a_dialog_header *AddNewDialog( const char *dlg_name )
/**********************************************************/
// Add new dialogs to front of linked list.
// Delete default dialogs if specified.
{
a_dialog_header *tmp_dialog;
a_dialog_header *new_dialog;
new_dialog = (a_dialog_header *)GUIMemAlloc( sizeof( a_dialog_header ) );
memset( new_dialog, '\0', sizeof( *new_dialog ) );
new_dialog->name = GUIStrDup( dlg_name, NULL );
new_dialog->adjusted = false;
new_dialog->def_dlg = false;
new_dialog->defaults_set = false;
new_dialog->ret_val = DLG_NEXT;
new_dialog->any_check = NO_VAR;
new_dialog->pVariables[0] = NO_VAR;
new_dialog->pConditions[0] = NULL;
/* check if old dialog existed */
tmp_dialog = FindDialogByName( dlg_name );
if( tmp_dialog != NULL ) {
new_dialog->next = tmp_dialog->next;
new_dialog->prev = tmp_dialog->prev;
if( new_dialog->next != NULL ) {
new_dialog->next->prev = new_dialog;
}
if( new_dialog->prev != NULL ) {
new_dialog->prev->next = new_dialog;
}
if( FirstDialog == NULL ) {
FirstDialog = new_dialog;
LastDialog = new_dialog;
}
if( FirstDialog == tmp_dialog ) {
FirstDialog = new_dialog;
}
if( LastDialog == tmp_dialog ) {
LastDialog = new_dialog;
}
FreeDialog( tmp_dialog ); // replace old default dialog
} else {
new_dialog->prev = LastDialog;
new_dialog->next = NULL;
if( FirstDialog == NULL ) {
FirstDialog = new_dialog;
LastDialog = new_dialog;
} else {
LastDialog->next = new_dialog;
}
LastDialog = new_dialog;
}
return( new_dialog );
}
extern void FreeDefaultDialogs( void )
/************************************/
{
a_dialog_header *d;
a_dialog_header *next;
for( d = FirstDialog; d != NULL; d = next ) {
next = d->next;
FreeDialog( d );
}
FirstDialog = NULL;
LastDialog = NULL;
}
EFI_STATUS
DoDialog(
IN CHAR16 *DialogTitle,
IN OUT EFI_DIALOG_CONTEXT *DialogContext
)
/*++
Routine Description:
The entry point to do popup menu.
Arguments:
DialogContext The FILE_DIALOG_CONTEXT,it contains filter
filename string.
Returns:
EFI_SUCCESS.
--*/
{
EFI_STATUS Status;
EFI_DIALOG *Dialog;
UINTN ConAttrib;
if (DialogContext == NULL) {
return EFI_INVALID_PARAMETER;
}
Status = EFI_SUCCESS;
ConAttrib = ST->ConOut->Mode->Attribute;
Status = BS->AllocatePool (
EfiBootServicesData,
sizeof(EFI_DIALOG),
(VOID*)&Dialog
);
if (EFI_ERROR(Status)) {
return EFI_OUT_OF_RESOURCES;
}
BS->SetMem (Dialog, sizeof(EFI_DIALOG), 0);
Dialog->Type = DialogContext->Type;
//
//set Dialog Title
//
Dialog->Title = DialogTitle;
if ( Dialog->Title == NULL ) {
BS->FreePool (Dialog);
return EFI_OUT_OF_RESOURCES;
}
//
//initialize the item values
//
Dialog->BodyRect.TopLeft.Row = 10;
Dialog->BodyRect.TopLeft.Col = 18;
Dialog->BodyRect.BottomRight.Row = 17;
Dialog->BodyRect.BottomRight.Col = 62;
Dialog->ForeColor = EFI_POPUP_MENU_FORECOLOR;
Dialog->BackColor = EFI_BLUE;
//
//initialize the default pointer and item values
//
Status = DisplayDialog (Dialog, DialogContext);
FreeDialog(Dialog);
//
//
//restore original console attribute
//
ST->ConOut->SetAttribute ( ST->ConOut,ConAttrib);
return EFI_SUCCESS;
}
