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Hacking opentrack · opentrack/opentrack Wiki · GitHub
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Hacking opentrack
Stanislaw Halik edited this page Oct 30, 2024
·
21 revisions
This article describes source code layout and entry points for developers. Grab an IDE with cross-referencing support or at least ctags
. I recommend Qt Creator 4.2+ without the Clang module.
I heavily recommend using an IDE or an editor with cross-referencing support (jump to function/class, find all usages). Otherwise navigating through the opentrack
code is a real nightmare.
Trackers, filters, and protocols are defined as tracker-*
, filter-*
, and proto-*
. They expose just a few symbols that are in turn used by plugin support code. Interfaces to be implemented by those three are included in api/plugin-api.hpp. The file is heavily commented.
- To invoke opentrack plugins, include api/plugin-support.hpp. This is header-only, requiring no additional C++ dependencies other than Qt.
- Dependencies other than Qt are included in the opentrack-depends repository. Clone the submodules, there are a few.
- Logic of sending data through tracker -> filter -> protocol pipeline is defined in logic/pipeline.cpp.
- Software logic that isn't purely user interface is defined the logic/ directory.
- State of tracking operation while it's running is contained in logic/work.hpp. See also logic/state.hpp for state that persists while the software is running.
- Support for connecting configuration to user interface is contained in options/options.hpp.
- Migrations are for settings getting moved or changing meaning. See migration/.
- Main form of the user interface is defined in variant/default/main-window.cpp. Most user interface forms are in the gui/ subdirectory.
- The settings from the main UI are declared in logic/main-settings.hpp and displayed in gui/options-dialog.cpp
To be continued.
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