This makes copying such types much cheaper and will allow us to
intern common struct types in the future too. This further
drops the sample cost for langtype.rs from ~6.6% down to 4.0%.
We are now also able to share/intern common struct types.
Before:
```
Time (mean ± σ): 1.073 s ± 0.021 s [User: 0.759 s, System: 0.215 s]
Range (min … max): 1.034 s … 1.105 s 10 runs
allocations: 3074261
```
After:
```
Time (mean ± σ): 1.034 s ± 0.026 s [User: 0.733 s, System: 0.201 s]
Range (min … max): 1.000 s … 1.078 s 10 runs
allocations: 2917476
```
This allows us to cheaply copy the langtype::Type values which
contain such a type. The runtime impact is small and barely noticable
but a sampling profiler shows a clear reduction in samples pointing
at langtype.rs, roughly reducing that from ~8.6% inclusive cost
down to 6.6% inclusive cost.
Furthermore, this allows us to share/intern common types.
Before:
```
Benchmark 1: ./target/release/slint-viewer ../slint-perf/app.slint
Time (mean ± σ): 1.089 s ± 0.026 s [User: 0.771 s, System: 0.216 s]
Range (min … max): 1.046 s … 1.130 s 10 runs
allocations: 3152149
```
After:
```
Time (mean ± σ): 1.073 s ± 0.021 s [User: 0.759 s, System: 0.215 s]
Range (min … max): 1.034 s … 1.105 s 10 runs
allocations: 3074261
```
This removes a lot of allocations and speeds up the compiler step
a bit. Sadly, this patch is very invasive as it touches a lot of
files. That said, each individual hunk is pretty trivial.
For a non-trivial real-world example, the impact is significant,
we get rid of ~29% of all allocations and improve the runtime by
about 4.8% (measured until the viewer loop would start).
Before:
```
Benchmark 1: ./target/release/slint-viewer ../slint-perf/app.slint
Time (mean ± σ): 664.2 ms ± 6.7 ms [User: 589.2 ms, System: 74.0 ms]
Range (min … max): 659.0 ms … 682.4 ms 10 runs
allocations: 4886888
temporary allocations: 857508
```
After:
```
Benchmark 1: ./target/release/slint-viewer ../slint-perf/app.slint
Time (mean ± σ): 639.5 ms ± 17.8 ms [User: 556.9 ms, System: 76.2 ms]
Range (min … max): 621.4 ms … 666.5 ms 10 runs
allocations: 3544318
temporary allocations: 495685
```
The struct held provides access to the design metrics of the font scaled
to the font pixel size used by the element.
ChangeLog: Slint Language: Added font-metrics property to `Text` and `TextInput`.
Closes#6047
eg, don't report an error for each callback or animation or changed
event that the the property doesn't exist or such.
Also reword the message when an element doesn't exist. Use "element"
rather than "type" as it is more accurate.
And use that in the lsp/ui implementation instead of comments.
This is only a parser support for now, the name is otherwise unused.
Hence I rather keep that experimental.
Have a warning when a component is exported from the main file and
doesn't inherit Window.
Unless it's the last component, for compatibility with Slint 1.6
Also don't warn in the interpreter
Preparation for multi-components
Note that this had to rename one instance of TextStyle because it
conflicts with the struct of the same name used in the FontSettings
in the style. This wasn't a problem before because it shares some
property in common, and the the order of processing of component has
changed leading to the other one being generated.
(But that is a wider bug in the compiler outside of the scope of this
refactoring)
Use this snapshot to keep a unoptimized typeloader around, so that the preview
does not need to do another parsing run.
Move the document cache in the preview over to use the snapshot.
The compile_syntax_node was used by the syntax_test in case of error
to still cover the coverage, but commit e3908cfce6
made this function a noop when there is an error already.
The LSP does try to build an object tree even though there are error in
order to have the most information even in that case, so we must ensure
that it doesn't panic left and right.
This commit also fix some of these panics.
This fix the C++ todo test that wasn't run because of a typo
When an element is optimized in another one, only the first one should
report the accessible properties. (because element with accessible
properties cannot be optimized so they are always the first)
Keep merging elements, but remember the boundaries in the debug info, separated by a slash.
Also fixed tests that rely on accessible-label being set only once. For example
```
Button { text: "foo"; }
```
will certainly have "foo" as accessible-label on `Button`, but its internal `Text` element has
an implicit "accessible-label" set to the same
value.
So don't rely on that for now but search by id instead.
This regressed in commit 12d904a71c
which changed the order of the pass to get the lower_popup pass before
the first inlining pass.
If by chance (which is likely if one have children), the component that
inherits from PopupWindow was inlined in that pass, it would be as
if it was not a component, and it would be removed from its parent.
But since it is no longer inlined, we need to support that case and
delay the removal when processing the component that holds that popup.
The problem was that the code from #4322 inlined the init code in the
parent Component as at that point, the per-repeater component don't
exist yet.
Fix it by removing the workaround from #4322, but changing the order of
the passes so that the init code are already proccessed before any
inlining. This required to change the order of a bunch of passes.
Fixes#5146
As a drive-by, also add the missing C++ implementation of set_animated_value
for Brush that was discovered by the test. (Code wouldn't compile)
Updated the version from 1.1 to 1.2
Renamed the header to "Slint Royalty-free Desktop, Mobile, and Web Applications License"
Added definition of "Mobile Application" and grant of right
Moved "Limitations" to 3rd section and "License Conditions - Attributions" to 2nd section
Added flexibility to choose between showing "MadeWithSlint" as a dialog/splash screen or on a public webpage
Moved the para on copyright notices to section under "Limitations"
