CommonOptionsPage User interface Checking this will populate the source file view automatically but might slow down debugger startup considerably. Populate source file view automatically Show a message box when receiving a signal Use alternating row colors in debug views Use tooltips in main editor while debugging When this option is checked, 'Step Into' compresses several steps into one in certain situations, leading to 'less noisy' debugging. So will, e.g., the atomic reference counting code be skipped, and a single 'Step Into' for a signal emission will end up directly in the slot connected to it. Skip known frames when stepping Enable reverse debugging Maximal stack depth: Qt::LeftToRight <unlimited> 999 5 10 Qt::Vertical 10 1