This file looks like a mess:
https://github.com/topilski/robomongo/blob/master/src/robomongo/gui/widgets/explorer/ExplorerCollectionTreeItem.cpp

Please reformat and reindent it, applying the following rulles:
https://github.com/paralect/robomongo/wiki/Robomongo-Coding-Style#wiki-no-tabs
https://github.com/paralect/robomongo/wiki/Robomongo-Coding-Style#wiki-4-spaces
https://github.com/paralect/robomongo/wiki/Robomongo-Coding-Style#wiki-blank-lines