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127 lines
4.5 KiB
Plaintext
127 lines
4.5 KiB
Plaintext
GENERAL
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=======
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General notes and rules on clutter core hacking;
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- Follow the CODING_STYLE document.
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- *Really* follow the CODING_STYLE document.
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- All non static public API funcs should be documented in the source files
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via gtk-doc. Structures, enumerations and macros should be documented in
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the header files.
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- All non-trivial static and private API should be documented, especially
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the eventual lifetime handling of the arguments/return values or locking
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of mutexes.
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- Properties should always be in floating point (never fixed point).
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The preferred precision is double for angles, and single precision
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for size and position -- especially if they have to be passed down
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to COGL.
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- Properties should use pixels whenever is possible. Dimensional and
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positional properties can also use ClutterParamSpecUnits to define
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the units-based logical values with a unit type.
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- Public entry points must always check their arguments with
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g_return_if_fail() or g_return_val_if_fail().
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- Private entry points should use g_assert() or g_warn_if_fail() to
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verify internal state; do not use g_return_if_fail() or
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g_return_val_if_fail() as they might be compiled out.
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- If you need to share some state variable across source files use
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ClutterContext and a private accessor.
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- Private, non-static functions must begin with an underscore and
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be declared inside clutter-private.h.
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- Don't add direct GL calls but add API to COGL (both GL and GL|ES
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versions if possible).
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- Use the CLUTTER_NOTE() macro for debug statements in Clutter, and
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the COGL_NOTE() macro for debug statements in COGL. If necessary,
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add a value inside ClutterDebugFlags or CoglDebugFlags to specify
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the debug section.
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- New features should also include an exhaustive test unit under
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tests/conform and, eventually, a user-interactive test under
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tests/interactive.
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- When committing, use the standard git commit message format:
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=== begin example commit ===
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Short explanation of the commit
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Longer explanation explaining exactly what's changed, whether any
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external or private interfaces changed, what bugs were fixed (with bug
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tracker reference if applicable) and so forth. Be concise but not too
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brief.
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=== end example commit ===
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Always add a brief description of the commit to the _first_ line of
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the commit and terminate by two newlines (it will work without the
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second newline, but that is not nice for the interfaces).
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short description - MUST be less than 72 characters
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<newline> - MANDATORY empty line
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long description - Each line MUST be less than 76 characters
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Do NOT put the commit message on the short description line. One line
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commit messages should be avoided, unless they can be *fully* explained
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in less than 72 characters (e.g. "Fix typo in
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clutter_actor_create_pango_context() docs").
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The brief description might optionally have a "tag", enclosed in
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square brackets, detailing what part of the repository the commit
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affected, e.g.:
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[alpha] Add :mode property
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[text] Emit ::cursor-event only on changes
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The tag counts as part of overall character count, so try using
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a short word. Optionally, you can also use the "tag:" form.
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Think of the commit message as an email sent to the maintainers explaining
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"what" you did and, more importantly, "why" you did it. The "how" is not
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important, since "git show" will show the patch inlined with the commit
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message.
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RELEASES
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========
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In making a new release;
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- Check out a fresh copy from SVN.
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- Verify versioning in configure.ac, increasing relevant
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clutter_major_version/clutter_minor_version/clutter_micro_version
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value. For point releases, bump clutter_micro_version to the next
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even number.
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- If there was no API change (addition, removal), increment
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clutter_interface_age by two. If there was an API change,
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set clutter_interface_age to zero. The interface_age is used to
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keep the soname the same.
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- Update NEWS (New feature details, bug #'s), README (Any API changes
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relevant to developers + version), AUTHORS if relevant.
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- Add a Release entry to the ChangeLog noting version.
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- Call make distcheck and fix if fails.
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- Upload the tarball.
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- Bump clutter_micro_version to the next odd number version.
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- Commit.
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- Announce release to waiting world on blog and mailing list.
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- Release any dependant add-ons following similar rules to above.
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Dont forget to check *.pc file version deps!
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$LastChangedDate$
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