SUMMARY Current version of Spectacle doesn't allow to capture just pop-up child windows, they can be captured only with parent (Capture the current pop-up unchecked). STEPS TO REPRODUCE 1. Run Kate 2. Open file dialog 3. Run Spectacle 4. Set "Windows under Cursor", "On Click", "Capture the current pop-up only", 5. Take a new screenshot – click the file dialog window OBSERVED RESULT Nothing happens EXPECTED RESULT Spectacle should capture file dialog window SOFTWARE/OS VERSIONS Linux/KDE Plasma: (available in About System) KDE Plasma Version: 5.14.4 KDE Frameworks Version: 5.52.0 Qt Version: 5.11.2 ADDITIONAL INFORMATION NVIDIA drivers 390.77
Confirmed with Intel graphics hardware too. Yikes.
Isn't this the same as bug#374864 ?
Yep. *** This bug has been marked as a duplicate of bug 374864 ***