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1. Empty qmake Project
2, Qt Widgets
3. Layout
4. Menu bar
Two approaches to connecting slot and signal: 1) coding in mainwindow.cpp and 2) manually connecting signal (triggered) and slot in mainwindow.ui. (Icons can be downloaded at http://www.iconarchive.com/ )
5. Image Disaplay
6. Working with OpenCV
6. A simple app
Tips in building Qt projects: clean -> run qmake -> build -> run (try both debug and release mode)
Sources:
https://wiki.qt.io/Qt_Creator_Keyboard_Shortcuts
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