add: panel->flags.ignoreTextChangeNotification = 1;
context: browserClick(WMBrowser *bPtr, WMFilePanel *panel){    int col = WMGetBrowserSelectedColumn(bPtr);    WMListItem *item = WMGetBrowserSelectedItemInColumn(bPtr, col);        if (!item || item->isBranch)	WMSetTextFieldText(panel->fileField, NULL);    else {	WMSetTextFieldText(panel->fileField, item->text);    }}