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Closes <https://github.com/emilk/egui/issues/3862>.
Factoring the `bool` members of `Response` into a bitfield, the size of
`Response` is now 96 bytes (down from 104).
I gave `Sense` the same treatment, however this has no effects on
`Response` due to padding. I've decided not to pursue `PointerState`, as
it is quite large (_many_ members that are sized and aligned to
multiples of 8 bytes), so I don't expect any noticeable benefit from
making handful of `bool`s slightly leaner.
In any case, the changes to `Sense` are already quite a bit more
intrusive than those to `Response`.
The previous implementation overloaded the names of the attributes
`click` and `drag` with similarly named methods that _construct_ `Sense`
with the corresponding flag set. Now, that the attributes can no longer
be accessed directly, I had to introduce methods with new names
(`senses_click()`, `senses_drag()` and `is_focusable()`). I don't think
this is the cleanest solution: the old methods are essentially redundant
now that the named constants like `Sense::CLICK` exist. I did however
not want to needlessly break backwards compatibility.
I am happy to revert it (or go further 🙂) if there are concerns.
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* [x] I have followed the instructions in the PR template
Hi, I've made an integration that allows egui to be embedded as a widget
inside of a GTK application. I'm planning to use it to draw interactive
plots via `egui_plot`, as I haven't found comparable plotting widgets in
GTK. I hope others will find this integration useful as well.
The library doesn't do its own rendering, it instead relies on
`egui_glow` to render inside of a GTK-provided OpenGL drawing area.
It is published on [crates.io](https://crates.io/crates/gtk-egui-area).
* Closes https://github.com/emilk/egui/issues/4976
* Part of #4378
* Implements parts of #843
### Background
Some widgets (like `Grid` and `Table`) needs to know the width of future
elements in order to properly size themselves. For instance, the width
of the first column of a grid may not be known until all rows of the
grid has been added, at which point it is too late. Therefore these
widgets store sizes from the previous frame. This leads to "first-frame
jitter", were the content is placed in the wrong place for one frame,
before being accurately laid out in subsequent frames.
### What
This PR adds the function `ctx.request_discard` which discards the
visual output and does another _pass_, i.e. calls the whole app UI code
once again (in eframe this means calling `App::update` again). This will
thus discard the shapes produced by the wrongly placed widgets, and
replace it with new shapes. Note that only the visual output is
discarded - all other output events are accumulated.
Calling `ctx.request_discard` should only be done in very rare
circumstances, e.g. when a `Grid` is first shown. Calling it every frame
will mean the UI code will become unnecessarily slow.
Two safe-guards are in place:
* `Options::max_passes` is by default 2, meaning egui will never do more
than 2 passes even if `request_discard` is called on every pass
* If multiple passes is done for multiple frames in a row, a warning
will be printed on the screen in debug builds:
### Breaking changes
A bunch of things that had "frame" in the name now has "pass" in them
instead:
* Functions called `begin_frame` and `end_frame` are now called
`begin_pass` and `end_pass`
* `FrameState` is now `PassState`
* etc
### TODO
* [x] Figure out good names for everything (`ctx.request_discard`)
* [x] Add API to query if we're gonna repeat this frame (to early-out
from expensive rendering)
* [x] Clear up naming confusion (pass vs frame) e.g. for `FrameState`
* [x] Figure out when to call this
* [x] Show warning on screen when there are several frames in a row with
multiple passes
* [x] Document
* [x] Default on or off?
* [x] Change `Context::frame_nr` name/docs
* [x] Rename `Context::begin_frame/end_frame` and deprecate the old ones
* [x] Test with Rerun
* [x] Document breaking changes
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Created as per https://github.com/emilk/egui/discussions/3783
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Hello. I would like to maintain egui_glium. I have already updated my
fork to the newest version of glium. You can find it at:
https://github.com/fayalalebrun/egui_glium
Let me know about next steps regarding access to crates.io.
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`egui_demo_lib`, or a new example.
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* Update images in README.md
* Add ferris image to hello_world example
* Clean up and improve README.md, with top-level link to Rerun
* Move sections around
* Give credit to recent big-time contributors in the main README.md
* Better named profiling scopes
* Document everything in memory.rs
* Better doc-strings
* Add a section about dependencies to the main README.md
* Improve egui_extras docs
* fix typos
* Deprecate egui_glium - looking for new maintainer
egui_glium was the first backend of egui, and it served us well for
a long time, but we have long since moved on to glow and wgpu.
Not egui_glium is holding back an update to latest winit.
Since development on glium has long since been discontinued I will
therefore deprecate egui_glium with this PR.
The code is still there in the repository for a while longer,
but is no longer compiled.
If there is any interest in maintaining egui_glium, then fork it and
make a PR to remove the last egui_glium from this repository.
I will give you publish rights on crates.io.
* update glutin 0.30.2 -> 0.30.3
* cargo update -p backtrace
Updating crates.io index
Updating addr2line v0.17.0 -> v0.19.0
Updating backtrace v0.3.66 -> v0.3.67
Updating gimli v0.26.2 -> v0.27.1
Removing miniz_oxide v0.5.4
Updating object v0.29.0 -> v0.30.3
* cargo deny: allow duplicates of windows-sys, wayland-sys, and nix
* cargo-deny whitelist tiny-skia
Based on https://github.com/hasenbanck/egui_wgpu_backend
`egui-wgpu` is now an official backend for `eframe` (opt-in).
Use the `wgpu` feature flag on `eframe` and the `NativeOptions::renderer` settings to pick it.
Co-authored-by: Nils Hasenbanck <nils@hasenbanck.de>
Co-authored-by: Sven Niederberger <niederberger@embotech.com>
Co-authored-by: Sven Niederberger <73159570+s-nie@users.noreply.github.com>
* Remove integration name (it is always eframe)
* Remove egui_web crate
* Move egui_web/CHANGELOG.md into eframe/CHANGELOG.md
* Remove all mentions of egui_web
* Remove epi crate and absorb into eframe
* egui_glow: only use puffin on native
* Remove WASM doc from CI (we don't generate it anyways!)
* Remove eframe::epi and improve eframe docs
lucasmerlin
Emil Ernerfeldt
Pol Welter
Elie Michel
Ilya Zlobintsev
trevyn
One
Tarek Sabet
Francisco Ayala Le Brun
itfanr
NemuiSen
Matt Campbell
heretik31
ComLarsic
Milo Moisson
Nazarí González
John Wells
Nihaal Sangha