When comparing CodeRunner vs Qt Creator, the Slant community recommends Qt Creator for most people. In the question“What are the best programming text editors?” Qt Creator is ranked 19th while CodeRunner is ranked 26th. The most important reason people chose Qt Creator is:
Qt Creator has a code model which basically has the same information as the compiler. So it can do really nice syntax highlighting (e.g. of virtual methods or local variables) as well as provide great code completion.
Specs
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Pros
Pro Fast and efficient
You can have multiple tabs open with multiple languages in at the same time and Code Runner still performs excellently. Searching through code is always instant and executing code is fast.
Pro Supports many different languages
Code Runner comes preinstalled with over 20 languages built in, and it's super easy to run simple programs.
Pro Great syntax highlighting and auto-completion
Qt Creator has a code model which basically has the same information as the compiler. So it can do really nice syntax highlighting (e.g. of virtual methods or local variables) as well as provide great code completion.
Pro Integrates well with non-IDE workflows
Qt Creator uses normal .pro-files, CMakeLists.txt, Makefiles.am, etc. for its projects and rarely needs special configuration for projects.
Projects can be built on the command line as usual.
Pro Built-in Qt GUI editor
Allows for the creation of a window based UI in a graphical editor, no code required to build the UI.
Pro Fast and fully keyboard-navigatable
Responsive UI, no need to use the mouse for the power users.
Pro Supports CMake
Pro Very responsive when compared to similar software
Pro Much space dedicated to the code
Small and beautiful UI, almost all the space is dedicated to the text with hardly and toolbars. Can actually be used on a 1024x768 pixel screen.
Cons
Con Working with very very large projects
Code runner is fantastic for shorter projects, although it can handle very large projects. It stops code completion when the program gets to be several thousands of lines long.
Con Poor refactoring
QtCreator has lack of refactoring features. It's not even close to Resharper++ or CLion.
Con Poor multi-window mode support
While multiple windows are supported, many operations will activate in the primary window (debug, goto-line... etc).
Con Qt-focused
Qt Creator is focused on being an IDE for Qt, as a general purpose IDE it performs quite well, but there are areas which are lacking such as project file support (support for generic/CMake projects lags behind Qt projects).