fix: Parameter & Library Panels are now more similar to TimeTrack Panel

refactor!: `smach` class is now on `namespace studio` and more

remove now unused header "smach"

BREAKING CHANGE: studio API changed:
- changed namespace of et...

fix #2709

refactor(ETL): delete unneeded etl_config.h

The issue was that the `unget()` method calls the `pbackfail()`
method, which is not implemente...

refactor!: removed etl::angle; replaced by synfig::Angle

Explanation: https://lgtm.com/rules/2160040902/

Reported-by: LGTM

As `synfig::Angle` was a typedef for `etl::angle`, and `etl::angle` was never directly used in S...

Fix #2716

if font is relative filepath, force sync when canvas changes

Fix #2724

Maybe we should fix them on canvas loading.
Probably it would be good to uniform them on saving...

fix: palette loading

While working on this fix, I found out one problem left to solve:
`synfig::FileSystemNative::Rea...

Fix #562

Moved ETL benchmark test to synfig-core due to `clock` requirement

BREAKING CHANGE: both ETL ...

It's more readable this way.
In C++17, we can replace it with `std::clamp()`.

fix: Added missing timetrack marks (animated_file timepoints and active points on/off)

We have ValueNode_Animated that do not use Waypoints,
so we must show them in timetrack too.

Ex...

Unlike Static Lists, entries of Dynamic Lists may be turned on
and off along the time (enabled o...

* Fixed a bug due to which Synfig does not start if the username contains non-Latin characters (...

refactor!: clean etl::angle

According to https://en.cppreference.com/w/cpp/language/operator_assignment

BREAKING CHANGE: ET...

"Commented" out via unset `#define` 15 years ago.
This directive `ETL_NOT_USED` isn't used anywh...

The code was commented out via `#ifdef ETL_WRAP_ANGLES` 15 years ago:
7555e3b7805d66eac4fd47efd0...

Not used anywhere else, so let's reduce its scope

BREAKING CHANGE: etl::angle API changed

Low macro usage

they are actually used in test/benchmark

they are actually duplicated in test/benchmark

(fix some indentation too)

BREAKING CHANGE: Synfig API change: method renamed for better unde...

refactor!: remove `etl::ceil_to_int` and `etl::floor_to_int`

BREAKING CHANGE: ETL API changed: removed `etl::floor_to_int()`

BREAKING CHANGE: ETL API changed: removed `etl::ceil_to_int()`

feat: Added support for `Ctr+Enter` to complete text input in Text tool dialog

`std::unary_function` and `std::binary_function` just need to define 3 types:

`unary_function...

If an exported value node is selected in Library Panel and user right-
clicks on a sub-sub-para...

refactor: remove NULL; use nullptr instead - part 2

refactor: remove NULL; use nullptr instead

- Remove `etl::smart_ptr`
- `synfig::SmartFILE` is now based on `std::shared_ptr`

See https://reproducible-builds.org/specs/source-date-epoch/

Build can be reproduced by setti...

- warning: unused variable `pastecanvas` [-Wunused-variable]
- warning: suggest parentheses aro...

Removed all unnecessary "magic"

* Use cmake's pkgconfig imported targets

A single Active Bone is an information stored in WorkArea.
If it suddenly disappears (example: ...

(regression)

Fix #2672

Refactoring and bugfix for ValueDescBoneSetParent

Don't show when user is trying to set a child bone as a parent.

Also hides when the clicked bon...

fix #2330

Reuse of existent actions and automatically take care of undo.

A bone cannot set its child as its parent.
Or maybe we should swap in this case?

Replaced deprecated Gtk::StockID in KeyFrameDial

https://wiki.gnome.org/Projects/gtkmm/PortingToGtkmm3