Was reading the docs and noticed a typo.
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* Closes <https://github.com/emilk/egui/issues/THE_RELEVANT_ISSUE>
By default, `Windows` can now cover already added panels. For instance:
in the egui demo app (egui.rs), windows can now cover the side-panels
and top bar.
To get the old behaviour, use
`window.constrain_to(ctx.available_rect())`.
Sometimes we need to fix the current state of the application in the
moment when you open the context menu, to save it, and to use it during
creation of context menu and response handling. Making some structs,
related with menu creating, allow us to create functions for this cases.
For example,
```rust
pub fn context_menu_custom<'a, T>(
response: &Response,
//variable for fixing state in the moment when you open context menu
state: &mut T,
//function which allow to get some king of state.
//In this case state depends on cursor position, in other cases it may depend on system time or something else
get_state: impl FnOnce(Pos2) -> T,
//set contents of menu depending on state
set_contents: impl 'a + FnOnce(&T) -> Box<dyn 'a + FnOnce(&mut Ui)>,
) -> Option<InnerResponse<()>> {
let menu_id = Id::new("__egui::context_menu");
let mut bar_state = BarState::load(&response.ctx, menu_id);
let root = &mut bar_state;
let menu_response = MenuRoot::context_interaction(response, root);
if let egui::menu::MenuResponse::Create(p, _) = &menu_response {
*state = get_state(*p);
};
let add_contents = set_contents(&state);
MenuRoot::handle_menu_response(root, menu_response);
let inner_response = bar_state.show(response, add_contents);
bar_state.store(&response.ctx, menu_id);
inner_response
}
```
The example of using such function you may see in [`my
repository`](https://github.com/sor-ca/context_menu)
It is very simple example, and is this case, the problem may be solved
without fn context_menu_custom, but in more complex situations, it may
be very useful
Related issue: https://github.com/emilk/egui/issues/4162
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---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
All `Area`s now have a quick fade-in animation. You can turn it off with
`Area::fade_in` or `Window::fade_in` .
The `Window` fade-out animation is now nicer: it fades all elements of
the window, not just the frame.
It can be controlled with `Window::fade_out`.
* Closes https://github.com/emilk/egui/issues/4582
User-story: there are multiple icons in a row, and the user wants them
explained. They hover over one until the tooltips appears. They then
move on to the next and don't want to wait for that tooltip again.
These functions will always show a tooltip under the widget when called,
even if the user is not hovering the widget.
This can be useful for tutorials and notification and similar.
* Closes https://github.com/emilk/egui/issues/890
Previously, many labels had non-integer widths. This lead to rounding
errors.
This was most notable for the new `Area` sizing code:
We would run the initial sizing pass, to measure the size of e.g. a
tooltip.
Say the tooltip contains text that was 100.123 ui points wide. With a
16pt border, that becomes 116.123, which is stored in the `Area` state
as the width. The next frame, we use that stored size as the wrapping
width. With perfect precision, we would then tell the label to wrap to
100.123 pts, which the text would _just_ fit in. However, due to
rounding errors we might end up asking it to wrap to 100.12**2** pts,
meaning the last word would now wrap and end up on the next line.
By rounding label sizes to perfect integers, we avoid such rounding
errors, and most ui elements will now end up on perfect integer point
coordinates (and `f32` can precisely express and do arithmetic on all
integers < 2^24).
Visually this has very little impact. Some labels move by a pixel here
and there, mostly for the better.
If you change your code for what is contained in a menu, tooltips,
combobox etc, it is helpful if egui will recompute the size of that Area
next frame. Now it will!
The user-chosen size of a `Window` is still persisted via other means.
- Closes https://github.com/emilk/egui/issues/4060 - no longer aligned
to top
- Closes https://github.com/emilk/egui/issues/4479 - `canvas.style` is
not set anywhere anymore
- Closes https://github.com/emilk/egui/issues/2231 - same as #4060
- Closes https://github.com/emilk/egui/issues/3618 - there is now one
`<input>` per `eframe` app, and it's removed transitively by
`WebRunner::destroy -> AppRunner::drop -> TextAgent::drop`
This PR improves the text agent to make fewer assumptions about how
`egui` is embedded into the page:
- Text agent no longer sets the canvas position
- There is now a text agent for each instance of `WebRunner`
- The input element is now moved to the correct position, so the OS can
display the IME window in the correct place. Before it would typically
be outside of the viewport
The best way to test this is to build & server the web demo locally:
```
scripts/build_demo_web.sh && scripts/start_server.sh
```
Then open the EasyMark editor, and try using IME to input some emojis:
http://localhost:8888/#EasyMarkEditor
To open the emoji keyboard use:
- <kbd>win + .</kbd> on Windows
- <kbd>ctrl + cmd + space</kbd> on Mac
Tested on:
- [x] Windows
- [x] Linux
- [x] MacOS
- [x] Android
- [x] iOS
## Migration guide
The canvas no longer controls its own size/position on the page. This
means that those properties can now be controlled entirely via HTML and
CSS, and multiple separate `eframe` apps can coexist better on a single
page.
To match the old behavior, set the `canvas` width and height to 100% of
the `body` element:
```html
<html>
<body>
<canvas></canvas>
</body>
</html>
```
```css
/* remove default margins and use full viewport */
html, body {
margin: 0;
width: 100%;
height: 100%;
}
canvas {
/* match parent element size */
width: 100%;
height: 100%;
}
```
Note that there is no need to set `position: absolute`/`left: 50%;
transform: translateX(-50%)`/etc., and setting those properties may
poorly affect the sharpness of `egui`-rendered text.
Because `eframe` no longer updates the canvas style in any way, it also
means that on mobile, the canvas no longer collapses upwards to make
space for a mobile keyboard. This should be solved in other ways:
https://github.com/emilk/egui/issues/4572
* Part of https://github.com/emilk/egui/issues/4535
* Closes https://github.com/emilk/egui/issues/3974
This adds a special `sizing_pass` mode to `Ui`, in which we have no
centered or justified layouts, and everything is hidden. This is used by
`Area` to use the first frame to measure the size of its contents so
that it can then set the perfectly correct size the subsequent frames.
For menus, where buttons are justified (span the full width), this
finally the problem of auto-sizing. Before you would have to pick a
width manually, and all buttons would expand to that width. If it was
too wide, it looked weird. If it was too narrow, text would wrap. Now
all menus are exactly the width they need to be. By default menus will
wrap at `Spacing::menu_width`.
This affects all situations when you have something that should be as
small as possible, but still span the full width/height of the parent.
For instance: the `egui::Separator` widget now checks the
`ui.is_sizing_pass` flag before deciding on a size. In the sizing pass a
horizontal separator is always 0 wide, and only in subsequent passes
will it span the full width.
The closure passed to `eframe::run_native` now returns a `Result`,
allowing you to return an error during app creation, which will be
returned to the caller of `run_native`.
This means you need to wrap your `Box::new(MyApp::new(…))` in an
`Ok(…)`.
* Closes https://github.com/emilk/egui/issues/4474
0.20 has a bunch of bugs that will be fixed by:
* https://github.com/gfx-rs/wgpu/pull/5681
At Rerun, we don't want to wait for the wgpu 0.20.1 patch release before
we update egui, so we will temporarily downgrade to wgpu 0.19
After reverting I'll open a new PR that will update to 0.20 again, with
the intention of merging that once 0.20.1 is released.
* Closes#4473
This PR introduce `Style::wrap_mode`, which adds support for text
truncation in addition to text wrapping. This PR also update some width
calculation of the ComboBox.
#### Core
- Add `egui::TextWrapMode` (pure enum with `Extend`, `Wrap`, `Truncate`)
- Add `Style::wrap_mode: Option<tTextWrapMode>`
- **DEPRECATED**: `Style::wrap`, use `Style::wrap_mode` instead.
- Add `Ui::wrap_mode()` to return the wrap mode to use in the current
ui. If specified in `Style`, return it. Otherwise, return
`TextWrapMode::Wrap` for vertical layout and wrapping horizontal layout,
and `TextWrapMode::Extend` otherwise.
- **DEPRECATED**: `Ui::wrap_text()`, use `Ui::wrap_mode` instead.
#### Widget
- Update the width calculation of the `ComboBox` button (_not_ its popup
menu).
- Now, `ComboBox::width()` (defaulting to `Spacing::combo_width`) is
always considered a minimum width and will extend the `Ui`, regardless
of the selected text width and wrap mode.
- Introduce `ComboBox::wrap_mode`, which overrides `Ui::wrap_mode` for
the selected text layout.
- Note: since `ComboBox` uses `ui.horizontal` internally, the default
wrap mode is always `TextWrapMode::Extend`, regardless of the caller's
`Ui`'s layout.
- The `ComboBox` button no longer extend to `ui.available_width()` with
wrapping is enabled.
- **BREAKING**: `ComboBox::wrap()` no longer has a `bool` argument and
is now a short-hand for `ComboBox::wrap_mode(TextWrapMode::Wrap)`.
- Added `ComboBox::truncate()` as short-hand for
`ComboBox::wrap_mode(TextWrapMode::Truncate)`.
- Update `Label`
- Add `Label::wrap_mode()` to specify the text wrap mode.
- **BREAKING**: `Label::wrap()` no longer has a `bool` argument and is
now a short-hand for `Label::wrap_mode(TextWrapMode::Wrap)`.
- **BREAKING**: `Label::truncate()` no longer has a `bool` argument and
is now a short-hand for `Label::wrap_mode(TextWrapMode::Truncate)`.
- Update `Button`
- Add `Button::wrap_mode()` to specify the text wrap mode.
- **BREAKING**: `Button::wrap()` no longer has a `bool` argument and is
now a short-hand for `Button::wrap_mode(TextWrapMode::Wrap)`.
- Added `Button::truncate()` as short-hand for
`Button::wrap_mode(TextWrapMode::Truncate)`.
#### Low-level
- **BREAKING**: `WidgetText::into_galley()` now takes an
`Option<TextWrapMode>` instead of a `Option<bool>` argument.
- **BREAKING**: `WidgetText::into_galley_impl(()` now takes a
`TextWrapping` argument instead of `wrap: bool` and `availalbe_width:
f32` arguments.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
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This introduces the boolean field force_current_scroll_area to
InputState which will be set when scroll_with_delta is called, causing
the ScrollArea to skip the check whether it is focused and always
consume the smooth scroll delta.
* Closes#2783
* Related to #4295
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
## Summary
This PR introduces a new configuration option `reduce_texture_memory` in
`egui`.
## Changes
- Added `reduce_texture_memory` option in `egui`. When set to `true`,
`egui` will discard the loaded image data after the texture is uploaded
to the GPU, reducing memory usage. This is beneficial when handling a
large number of images and retaining the image data is unnecessary,
potentially saving substantial memory. However, this makes it impossible
to serialize the loaded images or render on non-GPU systems. Default is
`false`.
## Impact
This new configuration option gives users more control over their memory
usage, especially when dealing with a large number or large resolution
of images. It allows users to optimize their applications based on their
specific needs and constraints.
The closure is now stored in `WebRunner` and dropped in the next
`request_animation_frame` instead of being "leaked" via `forget`
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Currently, if the size of the canvas element changes independently of
the size of the browser window (e.g. due to its parent element
shrinking), then no repaints are scheduled.
This PR replaces the `resize` event with a `ResizeObserver`, which
ensures that _any_ resize of the canvas element (including those caused
by browser window resizes) trigger a repaint. The repaint is done
synchronously as part of the resize event, to reduce any potential
flickering.
The result seems to pass the rendering tests on most platform+browser
combinations. We tested:
- Chrome, Firefox, Safari on macOS
- Chrome, Firefox on Linux (ubuntu and arch, both running wayland)
- Chrome, Firefox on Windows
Firefox still has some antialiasing issues on Linux platforms, but this
antialiasing also happens on `master`, so this PR is not a regression
there.
The code setting `canvas.style.width` and `canvas.style.height` at the
start of `AppRunner::logic` was also removed - the canvas _display_ size
is now fully controlled by CSS, e.g. by setting `canvas { width: 100%;
height: 100%; }`.
The approach used here is described in
https://webglfundamentals.org/webgl/lessons/webgl-resizing-the-canvas.html
Note: The only remaining place where egui updates the style of the
canvas it is rendering to is some of the IME/mobile input handling code.
Fixing that is out of scope for this PR, and will be done in a followup
PR.
This allows customizing the persistence path in NativeOptions.
Previously, persistence wouldn't work with android because
directories-next doesn't support android so eframe would just fail to
find a place where it could store its config.
* Closes#4098 (android users can now specify a path that works with
android, by e.g. using app_dirs2, which supports android)
Simply adds a `hint_text_font` (any suggestions for a better name?
hint_text_style seemed misleading as it doesn't only accept `TextStyle`)
method to the TextEdit builder that allows to set the styling
(specifically, a `FontSelection`) for the hint text.
My personal use-case for this was having body-sized hint text in a
heading-sized TextEdit, but I'm sure there's more out there.
The PR shouldn't break compatibility, as it's stored as an `Option` that
defaults to the `font_id` (which was the only behaviour prior to this)
when empty.
It looked too trivial to add something to the actual demo, but I have it
locally, so let me know if I should commit that.
Ran the check script locally, had no complaints.
I wanted to disable the return key functionality on my `TextEdit`, so
that the `TextEdit` doesn't get unfocused whenever the user submits a
command onto my developer console (which is also bound to <kbd>↵
Enter</kbd>).
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Related to #3482
Not sure what the "best practice" is, to me it seems like one should
import from "the original location" if possible, but now it should at
least be possible to not re-export ahash without any breakage in the
egui code base (but possibly in projects using egui, so one should
probably deprecate it if one would like to go that path). It also seems
like epaint re-exports ahash.
I wanted to implement a font picker that loads all system fonts but ran
into panics due to missing glyphs. Falling back to an empty glyph when
none of the fallback glyphs are available avoids the panic.
* closes https://github.com/emilk/egui/issues/4525
You can zoom in using ctrl/cmd + scrolling. When using a discreet scroll
wheel, the zoom factor now gets smoothed.
For integrations: just emit `egui::Event::MouseWheel` (like before).
egui will interpret that as zoom or pan.
On the way towards https://github.com/emilk/egui/issues/4401
* Closes https://github.com/emilk/egui/issues/4434
Shouldn't break anything, because when all arguments have a 'static
lifetime (required without this PR), the Plot is also 'static and can be
used like before.
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Inspired by:
44d65f41ac/Cargo.toml (L65)
I took the liberty of removing that comment since I *think* that I got
all "relevant" ones (showing up more than once, sort of).
`parking_lot`'s `RwLock` allows this, so probably `epaint`'s `RwLock`
should too.
Although I'm not sure how much it's intended for users, rather than just
internal use by `egui`.
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* Closes <https://github.com/emilk/egui/issues/4442>
* Refactors active monitor detection so it can be called from multiple
locations.
Compare this gif to the one on the issue report.
### Investigation notes
- [`WindowSettings.inner_position_pixels` and
`WindowSettings.outer_position_pixels`](https://github.com/emilk/egui/blob/master/crates/egui-winit/src/window_settings.rs#L8-L12)
are stored in physical/pixel coordinates.
- `ViewportBuilder::with_position` expects to be passed a position in
_logical_ coordinates.
- Prior to this PR, the position was being passed from `WindowSettings`
to `with_position` [without any
scaling](https://github.com/emilk/egui/blob/master/crates/egui-winit/src/window_settings.rs#L61-L68).
This was the root cause of the issue.
- The fix is to first convert the position to logical coordinates,
respecting the scaling factor of the active monitor. This requires us to
first determine the active monitor, so I factored out some of the logic
in
[`clamp_pos_to_monitor`](https://github.com/emilk/egui/blob/master/crates/egui-winit/src/window_settings.rs#L130)
to find the active monitor.
## Summary
This PR modifies `ScrollArea` and `Plot` to disable their interactions
when the UI is disabled.
## Changes
- Interaction with `ScrollArea` in `egui` is disabled when the UI is
disabled.
- Interaction with `Plot` in `egui_plot` is disabled when the UI is
disabled.
- These changes ensure that `ScrollArea` and `Plot` behave consistently
with the rest of the UI, preventing them from responding to user input
when the UI is in a disabled state.
## Impact
This PR enhances the consistency of `egui`'s UI behavior by ensuring
that all elements, including `ScrollArea` and `Plot`, respect the UI's
disabled state. This prevents unexpected interactions when the UI is
disabled.
Closes#4341
* Related #4337
* Closes#4409
Fix : In Windows, the 'egui_demo_app' screen does not appear After the
#4337 update.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
resolves https://github.com/emilk/egui/issues/4081 (see discussion
starting from
https://github.com/emilk/egui/issues/3653#issuecomment-1962740175 for
extra context)
this partly restores event-emitting behaviour to the state before #3649,
when shortcuts such as `Ctrl` + `C` used to work regardless of the
active layout. the difference is that physical keys are only used in
case of the logical ones' absence now among the named keys.
while originally I have only limited this to clipboard shortcuts
(Ctrl+C/V/X), honestly it felt like a half-assed solution. as a result,
I decided to expand this behaviour to all key events to stick to the
original logic, in case there are other workflows and hotkeys people
rely on or expect to work out of the box. let me know if this is an
issue.
Removes `egui_assert` etc and replaces it with normal `debug_assert`
calls.
Previously you could opt-in to more runtime checks using feature flags.
Now these extra runtime checks are always enabled for debug builds.
You are most likely to encounter them if you use negative sizes or NaNs
or other similar bugs.
These usually indicate bugs in user space.
updates the wgpu version to 0.20 and changes the API calls accordingly.
I had to update wasm-bindgen to "0.2.92". Otherwise, I got this error
for the demo app:
```
error: failed to select a version for `wasm-bindgen`.
... required by package `js-sys v0.3.69`
... which satisfies dependency `js-sys = "^0.3.69"` of package `eframe v0.27.2 (/home/user/Projects/egui/crates/eframe)`
... which satisfies path dependency `eframe` (locked to 0.27.2) of package `confirm_exit v0.1.0 (/home/user/Projects/egui/examples/confirm_exit)`
versions that meet the requirements `^0.2.92` are: 0.2.92
all possible versions conflict with previously selected packages.
previously selected package `wasm-bindgen v0.2.90`
... which satisfies dependency `wasm-bindgen = "=0.2.90"` of package `egui_demo_app v0.27.2 (/home/user/Projects/egui/crates/egui_demo_app)`
failed to select a version for `wasm-bindgen` which could resolve this conflict
```
Why is it locked to this version right now?
I ran the tests, checked the web demo and my own projects, and
everything seems to work fine with wgpu 0.20.
---------
Co-authored-by: Andreas Reich <r_andreas2@web.de>
These three types currently have a `Debug` implementation that only ever
prints one decimal point. Sometimes it is useful to see more of the
number, or otherwise have specific formatting.
Add `Display` implementations that pass the format specification to the
member `f32`s for an easier way to control what is shown when debugging.
This allows doing e.g. `ui.label(format!("{:.4}", rect * scale))` which
currently prints zeroes if scale is small.
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remove repetitive words
Signed-off-by: hardlydearly <799511800@qq.com>
Motivation: I want to replace `cargo-cranky` with workspace lints, first
available in Rust 1.74.
However, `cargo doc` would hange on `wgpu` and `wgpu-core` on 1.74 and
1.75… so now we're on 1.76.
I think this is fine - when 1.78 is released next week we're still two
versions behind the bleeding edge.
…and the branch name is just wrong 🤦
These are a replacement to the `objc` and `cocoa` crates.
This PR prevents:
- An extra copy when creating `NSData`
- A memory leak when creating `NSImage`
- A memory leak when creating `NSString`
And is generally a readability improvement.
Note that we define `NSApp` manually for now, the implementation in
`objc2-app-kit` is currently suboptimal and wouldn't allow you to check
whether the NSApplication has been created or not.
Related: https://github.com/emilk/egui/issues/4219, this should nicely
coincide with the Winit `0.30` release.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
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I had to make a couple types not Copy because closures, but it should'nt
be a massive deal.
I tried my best to make the API change as non breaking as possible.
Anywhere a PathStroke is used, you can just use a normal Stroke instead.
As mentioned above, the bezier paths couldn't be copy anymore, but IMO
that's a minor caveat.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Added clamp_size_to_monitor_size field on ViewportBuilder, which means
whether clamp the window's size to monitor's size. (default to `true`)
* Closes https://github.com/emilk/egui/issues/3389
### simple example
```rust
pub struct MyApp {}
impl MyApp {
pub fn new() -> MyApp {
MyApp {}
}
}
impl eframe::App for MyApp {
fn update(&mut self, ctx: &Context, frame: &mut eframe::Frame) {
egui::CentralPanel::default()
.frame(Frame::none().fill(Color32::DARK_GRAY))
.show(ctx, |ui| {
if ctx.input(|i| i.key_pressed(Key::Escape)) {
ctx.send_viewport_cmd(ViewportCommand::Close);
}
});
}
}
pub fn main() {
let option = eframe::NativeOptions {
viewport: ViewportBuilder::default()
.with_position([10.0, 10.0])
.with_inner_size([3000.0, 2000.0])
.with_clamp_size_to_monitor_size(false),
..Default::default()
};
eframe::run_native(
"a large window app",
option,
Box::new(|ctx| Box::new(MyApp::new())),
).unwrap();
}
```
It works on my windows (with 3 monitors), but I don't have a test
environment for macos
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
* Closes#4354
Fix: can't repeat input chinese words
AND
For Windows :
ImeEnable
ImeDisable
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
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* Closes <https://github.com/emilk/egui/issues/4126>
* Closes <https://github.com/emilk/egui/issues/3006>
Previously, `SidePanel`/`TopBottomPanel` didn't include `inner_margin`
when setting the min width/height of `Frame`. As a result, when your
`Panel` has `inner_margin`, its size doesn't work as expected.
Before
After
### Motivation
We want to offer our users a context menu with `Cut`, `Copy` and `Paste`
actions. `Paste` is not possible out of the box.
### Changes
This PR adds `ViewportCommand::RequestCut`,
`ViewportCommand::RequestCopy` and `ViewportCommand::RequestPaste`. They
are routed and handled after the example of
`ViewportCommand::Screenshot` and result in the same code being executed
as when the user uses `CTRL+V` style keyboard commands.
### Reasoning
In our last release we used an instance of
`egui_winit:📋:Clipboard` in order to get the `Paste`
functionality.
However Linux users on Wayland complained about broken clipboard
interaction (https://github.com/mikedilger/gossip/issues/617). After a
while of digging I could not find the issue although I have found
references to problems with multiple clipboards per handle before
(https://gitlab.gnome.org/GNOME/mutter/-/issues/1250) but I compared
mutter with weston and the problem occured on both.
So to solve this I set out to extend egui to access the clipboard
instance already present in egui_winit. Since there was no trivial way
to reach the instance of `egui_winit::State` I felt the best approach
was to follow the logic of the new `ViewportCommand::Screenshot`.
### Variations
It could make sense to make the introduced `enum ActionRequested` a part
of crates/egui/src/viewport.rs and to then wrap them into one single
`ViewportCommand::ActionRequest(ActionRequested)`.
### Example
```Rust
let mut text = String::new();
let response = ui.text_edit_singleline(&mut text);
if ui.button("Paste").clicked() {
response.request_focus();
ui.ctx().send_viewport_cmd(ViewportCommand::RequestPaste);
}
```
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
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* Closes https://github.com/emilk/egui/issues/4356
- Add `Undoer::new()`
- This is necessary to construct an `Undoer` whose `State` parameter
doesn't implement `Default`.
- Add `Undoer::with_settings(...)`
- This is necessary to actually pass settings into the `Undoer`. Without
this, API consumers could construct their own `Settings` but not
actually do anything with it.
I've refrained from adding any kind of builder API for `Settings`
because there are only three options and I don't want to duplicate or
move all the documentation onto the builder methods.
The painter, allocated by `Ui::allocate_painter`, doesn't inherit
properties from the `Ui` object, leading to improper widget rendering in
`egui`.
Specifically, if the `Ui` object is disabled, the corresponding painter
should also be disabled.
The `hex_color!` macro currently makes an unqualified reference to the
`color_hex` crate, which users may not have in their `Cargo.toml`. This
PR re-exports `color_hex` from the root of `ecolor` and changes the
macro to use the re-exported path.
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* Closes https://github.com/emilk/egui/issues/2644
These two items are needed to implement the `PlotItem` trait (which is
already public) when using `PlotGeometry::Rects`.
Specifically, they are used in the return type of
`PlotItem::find_closest` and as arguments to `PlotItem::on_hover`, which
need to be implemented when using `PlotGeometry::Rects`.
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While breaking a paragraph, it was possible to lose line break
candidates that could've been used on the next line, causing egui to
unnecessarily overrun `wrap.max_width`.
This PR fixes it so that we don't forget about those candidates.
Before:
Note that the window can't resize to the requested width because the
text is not wrapping.
https://github.com/emilk/egui/assets/1410520/6430a334-2995-4b40-bc34-8f01923f9f95
After:
https://github.com/emilk/egui/assets/1410520/225fa4cd-cbbb-4a7e-9580-7f1814c05ee7
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
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Adds a flag to ScrollArea that disables animations for the scroll_to_*
functions
Usually this isn't visible (the same label being painted on top of
itself), but it will be visible if the user has a custom formatter (e.g.
`y_axis_formatter`) that choses a different format based on
`GridMark:step_size` (e.g. using fewer decimals for thicker ticks).
Adds support for the ordering of windows passing through to the
underlying area.
Needed for a specific usecase of adding debug tools using windows with
the bevy integration.
* Closes https://github.com/emilk/egui/issues/4241
I would love some more testers of this.
I'm not sure if we really need the round-to-even code, but I'm hesitant
to out-right revert https://github.com/emilk/egui/pull/151 when I cannot
reproduce its problem. Keeping it seems quite safe though.
---
# Testing
Checkout the branch and run:
* `./scripts/start_server.sh`
* `./scripts/build_demo_web.sh` and then open
`http://localhost:8888/index.html#Rendering`
* `./scripts/build_demo_web.sh --wgpu` and then open
`http://localhost:8888/index.html#Rendering`
Check the "Rendering test" that the squares in the pixel alignment test
are perfectly sharp, like this:
<img width="576" alt="Screenshot 2024-04-01 at 13 27 20"
src="https://github.com/emilk/egui/assets/1148717/fb6c4824-9e25-4304-bc0c-3c50fbd44a52">
If it looks something like this, something is WRONG:
<img width="488" alt="Screenshot 2024-04-01 at 13 29 07"
src="https://github.com/emilk/egui/assets/1148717/04bd93ff-2108-40c5-95f6-76e3bcb9cd7f">
Please try it on different zoom levels in different browsers, and if
possible on different monitors with different native dpi scaling. Report
back the results!
### Mac
I have tested on a high-DPI Mac:
* Chromium (Brave): ✅ Can reproduce problem on `master`, and it's now
fixed
* Firefox: ✅ Can reproduce problem on `master`, and it's now fixed
* Safari: ❌ Can't get it to work; giving up for now
This is a fix meant mostly for Rerun, where we sometiems paint a
vertical time-line over the plot (which is interactive). Before this PR
you couldn't zoom or pan the plot while hovering that line, which was
really annoying.
At least all those above any interactive widget.
* Closes https://github.com/emilk/egui/issues/4286
I feel there is still more thinking to be done about what is considered
`hovered` and how it relates to `contains_pointer`, but this PR at least
fixes tooltips for uninteractive widgets
* Closes#4254
Changes egui-winit so that it calls `window.set_ime_cursor_area` when
the IME rect changes or the user interacts with the application instead
of calling it every time the app is rendered. This works around a winit
bug that causes the app to continuously repaint under certain
circumstances on Wayland.
Tested on Wayland and on X11 using the text edit in the egui_demo_app -
no changes in IME functionality as far as I can tell. Untested on
non-Linux platforms.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This means only one space allocation, which should allow putting it in
more types of layouts (right-to-left, centered, adjusted, …).
It also just makes the code simpler
`clicked_elsewhere` now checks against the clipped `interact_rect` of
the widget instead of the full `rect`.
In practice this shouldn't change much since the function is mostly used
for windows and areas, which aren't clipped.
This is mostly a refactor, but has some performance benefits:
* We (re)use the same tessellator as for everything else, leading to
less allocations
* We cull shapes before rendering them
Adding `RectShape::blur_width` means it can also be used for other
effects, such as glow.
Before, when setting the `zoom_factor`, the website was already
enlarged, but the zoom was ignored when calculating the logical window
size and mouse position, causing an offset between the actual cursor and
selected elements. That is addressed here
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This is particularly interesting if you want to authorize a single hover
tooltip on an item in the event of an interaction.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
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* Closes https://github.com/emilk/egui/issues/4243
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
It would return the causes for repainting again collected this frame,
instead of the cause for repainting the current frame.
* Part of https://github.com/emilk/egui/issues/3931
* Closes https://github.com/emilk/egui/issues/4238
The comment in the code explains it well, but the short of it is this:
we can't handle a shadow blur width larger than the shadow rectangle, so
we need to clamp the blur. This means smaller things will cast shadows
with a smaller blur width, but that's better than having visual
glitches.
Previously, putting the cursor in the gap between two menu buttons would
not hover any of the buttons, but the click-sensitive menu itself. Now
the menu is no longer click-sensitive.
This PR allows customizing the return key in the TextEdit widget. Right
now, it's hard-coded to the Enter key, which is problematic in cases
when you want to use the Enter key for something else, and insert the
newline in a different way instead.
An alternative to the "Phone Size" button useful for testing
`ViewportCommand::InnerSize`.
I created this to make it easy to debug
https://github.com/emilk/egui/issues/4196 there are more details there.
* Closes#3987
* Closes#3988
There is a need to prevent egui::Window from becoming larger than the
Viewport.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Expose `egui_plot::items::values::PlotGeometry` in public API so that
`PlotItem`, which is already public, can actually be implemented by
applications. Fixes#3464.
---------
Co-authored-by: Dominique Würtz <dom@blaukraut.info>
I'm trying to create some custom collapsing headers that add additional
buttons inside the header itself. Because of this, I load the
`CollapsingState` in my special widget manually. But because
`HeaderResponse` owns the `Ui` and the `CollapsingState`, there is no
way for me to open/close the collapsing header based on response of the
inner widget.
Initially, I considered just exposing `state` member of
`HeaderResponse`, but that exposes too much of the API at the wrong
time, in my opinion.
So instead I found it'd be safer to just expose the open/close API to
the response itself, and that's what this PR does.
Not sure about the api, currently I've mapped the whole XWindowType
enum, but maybe there's something more sensible to do?
* Closes <https://github.com/emilk/egui/issues/4150>
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
I added a handfull of lines to allow for the red highlight on weekends
in `DatePickerPopup` to be disabled.
I tried to follow the rules, but I've never done any kind of PR before,
and I'm also not sure if this is at all the kind of thing that is wanted
at the moment. If it is not, I'm happy to just have this removed. Just a
tiny little addition I would find useful.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Simply allows date picker buttons to show other formats than `%Y-%m-%d`,
while keeping that as default to not break compatibility.
I'm not that experienced with Rust, so I was unsure whether you'd prefer
`&'a str` rather than a `String`, let me know if I should change that.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
I believe that the underlying issue that caused the stuck modifier keys
was resolved in the 0.29 winit keyboard refactor.
This probably needs to tested on other desktop platforms however since I
am only able to test this on windows 11.
* Closes <https://github.com/emilk/egui/issues/2332>
* Closes https://github.com/emilk/egui/issues/3444
* Closes https://github.com/emilk/egui/issues/865
On a touch screen, if you press down on a widget and hold for 0.6
seconds (`MAX_CLICK_DURATION`), it will now trigger a secondary click,
i.e. `Response::secondary_clicked` will be `true`. This means you can
now open context menus on touch screens.
This is a refactor on the way to add support for opening context menus
on touch screens via press-and-hold.
This PR changes what `InputState::button_clicked` does (it was ver badly
named before), and also changes `Response::clicked_by` to no longer be
true if clicking with keyboard (i.e. a widget has keyboard focus and the
user presses Space or Enter).
This PR fixes two issues related to `ScrollArea`.
1) When a `ScrollArea` would have `drag_to_scroll` set to `false` (e.g.
because some custom logic is at play or some other reason), it would not
animate to the `target_offset`, effectively making
`Response::scroll_to_me()` ineffective.
2) Single-direction `ScrollArea`s would leak the `scroll_target`'s other
direction. In certain specific circumstances (e.g. an horizontal area
nested in a vertical one, or inversely), this _could_ work as intended,
but in many other cases it could cause unwanted effects. With this PR,
both `scroll_target` directions are consumed by nearest enclosing
`ScrollArea`, regardless of the actually enabled scroll axes.
Previously, any frames in flight (`requestAnimationFrame`) on web were
not being cancelled (`cancelAnimationFrame`) when `WebRunner::destroy`
was called. If a user called `destroy`, then immediately removed the
canvas from the DOM, eframe could panic with a "failed to find (canvas)
element by id" error message.
This PR changes two things:
- The canvas element is directly referenced everywhere it's needed
instead of being looked up by `canvas_id`[^1]
- The RAF handle is stored in `WebRunner` and `cancelAnimationFrame` is
called on it inside of `WebRunner::destroy`[^2]
[^1]: The WebGL/WGPU backends were already holding onto the canvas (and
associated GPU context), so the change is just converting all the
`get_element_by_id` lookups to retrieve the canvas from the web runner
handle.
[^2]: There is only ever one frame in flight, so we store it directly as
a scalar field.
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* Closes <https://github.com/emilk/egui/issues/4144>
* Closes#3846
* Closes#3878
Dear emilk.
Leaving aside other function,
I think this is all you need to fix to patch the panic that occurs when
Shift + TAB.
Thank you, emilk.
Hi!
I'm using egui for the UI of a VST3/Clap plugin, and this kind of
environment is rather picky on performance. I use
[assert_no_alloc](https://crates.io/crates/assert_no_alloc) to make sure
the audio thread is never allocating. The audio thread may request a
repaint of the GUI tho, and this is where a saw that it may allocate
when tracing the repaint reason.
Turns out it's not necessary, `Location::caller` is `'static`, so using
a `&'static str` instead of a `String` in `RepaintCause::file` will just
work, so this PR just does that.
Update modifier state from web mouse events. This allows modifiers to be
correctly updated when the window is not in focus but the mouse is still
moving over the window.
When scaling an `egui::Shape` of variant `Rect` using the new
`transform` function, corner rounding isn't taken into account.
The fix is to multiply the rounding by the scaling factor.
* Closes <https://github.com/emilk/egui/issues/4152>
# What's New
* eframe: Added `App::raw_input_hook` allows for the manipulation or
filtering of raw input events
A filter applied to raw input before [`Self::update`]
This allows for the manipulation or filtering of input events before
they are processed by egui.
This can be used to exclude specific keyboard shortcuts, mouse events,
etc.
Additionally, it can be used to add custom keyboard or mouse events
generated by a virtual keyboard.
* examples: Added an example to demonstrates how to implement a custom
virtual keyboard.
[eframe-custom-keypad.webm](https://github.com/emilk/egui/assets/1274171/a9dc8e34-2c35-4172-b7ef-41010b794fb8)
* Remove the leading slash from the path if the target OS is Windows.
This is because Windows paths are not supposed to start with a slash.
For example, `file:///C:/path/to/file` is a valid URI, but
`/C:/path/to/file` is not a valid path.
* Use the input URI consistently as the cache key.
Currently, the cache key is inconsistently set as either the path or the
URI, while the forget key is always the URI. This inconsistency should
be resolved.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
The `Shape::translate` method has been replaced with `Shape::transform`,
which introduces breaking changes that could negatively impact existing
users.
This patch adds a `Shape::translate` wrapper to prevent these breaking
changes.
- Introduces `WidgetType::ProgressIndicator` and maps it to the
corresponding AccessKit role.
- A `Spinner` is now exposed as a widget indicating a progress for which
a completion state is not known.
- On the other hand, a `ProgressBar` reports a completion state and can
possibly be labeled. Note that a label is not used if not explicitly
asked by the user, as it would be redundant information. Assistive
technologies prefer the numerical value so they can, for instance, emit
beeps of which the frequency rise as the completion state increase. I
had to call `floor` on the progression as it seems all the ATs I tested
would round the value, hence reporting something different than what is
displayed on the label.
* Closes https://github.com/emilk/egui/issues/4113
Previously the `Id` of the menu `Area` was using the same id as the
thing that was clicked (i.e. the button opening menu), which lead to id
clashes
We plan to store input data for creating automated tests, hence the need
for more serde derives on input related structs.
---------
Co-authored-by: Georg Weisert <georg.weisert@freshx.de>
I often write constants at the top of my widget files, as a "config". I
kept writing stuff like that :
```rust
const DEFAULT_INNER_MARGIN: Margin = Margin { left: 17., right: 17., top: 7., bottom: 7. };
```
So I prefixed constructors for `Margin`, `Rounding` and `Shadow` const.
No code was changed.
I also added a `Shadow::new()` for similar reasons.
Raw mouse movement is unaccelerated and unclamped by screen boundaries,
and does not relate to any position on the screen.
It is useful in certain situations such as draggable values and 3D
cameras, where screen position does not matter.
https://github.com/emilk/egui/assets/1700581/1400e6a6-0573-41b9-99a1-a9cd305aa1a3
Added `Event::MouseMoved` for integrations to supply raw mouse movement.
Added `Response:drag_motion` to get the raw mouse movement, but will
fall back to delta in case the integration does not supply it.
Nothing should be breaking, but third-party integrations that can send
`Event::MouseMoved` should be updated to do so.
Based on #1614 but updated to the current version, and with better
fallback behaviour.
* Closes#1611
* Supersedes #1614
Add an alternative method for creating a [`ColorImage`] that accepts
`Iterator` as the argument. It can be useful when `&[u8]` is not
available but the iterator is.
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---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Each cell in a table now has a `Ui` with a unique `Id` based on the row
and column.
This avoids Id-clashes, e.g. when putting a `CollapsingHeader` in a
table cell.
* Closes https://github.com/emilk/egui/issues/3936
* Closes https://github.com/emilk/egui/issues/3923
* Closes https://github.com/emilk/egui/pull/4058
The interaction code is now done at the start of the frame, using stored
`WidgetRect`s from the previous frame.
The intention is that the new interaction code should be more accurate,
making it easier to hit widgets, and better respecting the rules of
overlapping widgets.
There is a new `style::Interaction::interact_radius` controlling how far
away from a widget the cursor can be and still hit it. This helps big
fat fingers hit small widgets on touch screens.
This PR adds a new `Context::read_response` which lets you read the
`Response` of a `Widget` _before_ you create the widget. This can be
used for styling, or for reading the result of an interaction early (to
prevent frame-delay) for a widget you add late (so it is on top of other
widgets).
# ⚠️ BREAKING CHANGES
`Memory::dragged_id`, `Memory::set_dragged_id` etc have been moved to
`Context`.
The semantics for `Context::dragged_id` is slightly different: a widget
is not considered dragged until egui it is sure this is not a
click-in-progress. For a widget that is only sensitive to drags, that is
right away, but for widgets sensitive to both clicks and drags it is not
until the mouse has moved a certain distance.
# TODO
* [x] Fix panel resizing
* [x] Fix scroll hover weirdness
* [x] Fix Resize widget
* [x] Fix drag-and-drop
* [x] Test all of egui_demo_app
* [x] Change `is_dragging` API
* [x] Consistent naming of start/stop or begin/end drag
* [x] Test `egui_tiles`
* [x] Test Rerun
* [x] Document
* [x] Document breaking changes in PR description
* [x] Test one final time
# Saving for a later PR
* [ ] Fix https://github.com/emilk/egui/issues/4047
* [ ] Specify what the response order for e.g. `ui.horizontal` is
I think both these can be fixed if each `Ui` registers themselves as a
`WidgetRect`, with the possibility to interact with it later, as if the
interaction was under all widgets on top of it.
⚠️ Removes `Context::translate_layer`, replacing it with a sticky
`set_transform_layer`
Adds the capability to scale layers.
Allows interaction with scaled and transformed widgets inside
transformed layers.
I've also added a demo of how to have zooming and panning in a window
(see the video below).
This probably closes#1811. Having a panning and zooming container would
just be creating a new
`Area` with a new id, and applying zooming and panning with
`ctx.transform_layer`.
I've run the github workflow scripts in my repository, so hopefully the
formatting and `cargo cranky` is satisfied.
I'm not sure if all call sites where transforms would be relevant have
been handled. This might also be missing are transforming clipping
rects, but I'm not sure where / how to accomplish that. In the demo, the
clipping rect is transformed to match, which seems to work.
https://github.com/emilk/egui/assets/70821802/77e7e743-cdfe-402f-86e3-7744b3ee7b0f
---------
Co-authored-by: tweoss <fchua@puffer5.stanford.edu>
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This PR short-circuits `Response::interact()` when the `Response` has
already been sufficiently "sensed" already. In some circumstance, this
can avoid unnecessarily registering another widget rect that may mask
some other widget.
One such instance is Rerun's `ListItem`. Calling `context_menu()` on its
response would call `interact` and, in turn, mask its sub-widget
(collapsing triangle, show/hide buttons, etc.).
After merging PR #4036, build errors occurred in eframe-related
applications:
```log
error[E0432]: unresolved import `winapi::um::winuser`
--> crates\eframe\src\native\app_icon.rs:83:9
|
83 | use winapi::um::winuser;
| ^^^^^^^^^^^^^^^^^^^ no `winuser` in `um`
|
note: found an item that was configured out
--> C:\Users\Varphone\.cargo\registry\src\index.crates.io-6f17d22bba15001f\winapi-0.3.9\src\um\mod.rs:290:37
|
290 | #[cfg(feature = "winuser")] pub mod winuser;
| ^^^^^^^
= note: the item is gated behind the `winuser` feature
For more information about this error, try `rustc --explain E0432`.
error: could not compile `eframe` (lib) due to previous error
warning: build failed, waiting for other jobs to finish...
```
Despite their being an actual `egui::Margin` struct, Textedit has a
`margin()` builder function that supports only `Vec2` types and thereby
only symmetric margins. This PR changes the function to accept
`egui::Margin` type instead making it more congruent with overall egui
logic as well as supporting asymmetric margins.
P.S: I tried to run all checks but I had to modify `./rust-toolchain` to
1.67.0 to get the checks to run on macOS.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
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These are the latest versions of memoffset and arboard.
The changes to egui_glow/pure_glow allow downstream crates to not depend
on rwh 0.5, which is only needed for pure_glow (and other projects that
use glutin)
Thanks for your time & work
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* Closes <https://github.com/emilk/egui/issues/3990>
`winit` supports up to F35, so thought it was better to just add them
all.
This solves a GL_INVALID_ENUM error common on Windows (occurs on my
Windows 10 machine with a GTX 1070 Ti).
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ARB_framebuffer_SRGB is entirely unsupported on WebGL, hence why latest
egui (master branch) doesn't try to disable SRGB framebuffers on wasm32
and this PR's code doesn't even check for ARB_framebuffer_sRGB on
wasm32.
* For <servo/servo#30782>
There was no way to customize this as ScrollArea gets created inside
Table widget, this exposes the functionality, so scroll bars on tables
can be customized.
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`glyphon` requires the screen resolution during the `prepare` stage, and
passing that to the callback's `prepare` function seems pretty trivial.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Exposes support in both glow and wgpu for texture wrap modes
This would be breaking for manual creations of TextureOptions but would
work with the current TextureOptions::NEAREST and LINEAR without change,
keeping those clamp to edge
I wasn't sure how best to expose the options to the user and added
consts for LINEAR_REPEAT LINEAR_MIRRORED_REPEAT NEAREST_REPEAT
NEAREST_MIRRORED_REPEAT
This does not include wrap mode clamp to border as it worked fine with
glow but with wgpu it panics due to Features
Features(ADDRESS_MODE_CLAMP_TO_BORDER) are required but not enabled on
the device, and I thought it was probably best not to try to enable that
feature, but happy to include that functionality also if that is okay to
be toggled
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
At crates\egui_extras\src\layout.rs :
Allocate allocation_rect instead of max_rect.
Go back from this:
```
let response = self.ui.allocate_rect(max_rect, self.sense);
let response = response.with_new_rect(allocation_rect);
return (used_rect, response)
```
to this:
```
let response = self.ui.allocate_rect(allocation_rect, self.sense);
return (used_rect, response)
```
In order to allocate the
Closes <https://github.com/emilk/egui/issues/3956>.
* Basic version of https://github.com/emilk/egui/issues/3931
This adds `Context::repaint_causes` which returns a `Vec<RepaintCause>`,
containing the `file:line` of the call to `ctx.request_repaint()`.
If your application is stuck forever repainting, this could be a useful
tool to diagnose it.
* Closes https://github.com/emilk/egui/issues/3941
Workspace dependencies can be annoying.
If you don't set them to `default-features=false`, then you cannot opt
out of their default features anywhere else, and get warnings if you
try.
So you set `default-features=false`, and then you need to manually opt
in to the default features everywhere else.
Or, as in my case, don't.
I don't have the energy to do this tonight, so I'll just revert.
* Part of https://github.com/emilk/egui/issues/1485
This adds a `rayon` feature to `epaint` and `egui` to parallelize
tessellation of large shapes, such as high-resolution plot lines.
With this PR, if a widget moves or repaints, egui will automatically
repaint.
Usually this is what you want: if something is moving we should repaint
until it stops moving.
However, this could potentially create false positives in some rare
circumstances, so there is an option to turn it off with
`Options::repaint_on_widget_change`.
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This PR simply allows you to override the opacity of a Galley when you
draw it on screen. Last year I opened #3548 and some changes were
requested to the PR, but unfortunately school got really busy and I
wasn't able to apply them. This PR supersedes #3548 and applys the
changes requested in that PR
Closes#3548
Hi everyone! It's a great pleasure to work with such a library. It feels
like a breath of fresh air!
**Problem:**
The current implementation of `context_menu` consumes `self` and returns
it. However, the underlying `menu::context_menu` requires only a
reference to `self`, so it is safe to change the `context_menu`
signature.
**Fix:**
1. Change signature to take a ref to `self`.
2. Return the `Option<InnerResponse<()>>` from the underlying method
call
**Pros:**
1. No `let response = response.context_menu(|| {...})` pattern
2. Better consistency with other `show`-like methods, as it is in the
`Window::show`
3. Less ownership gymnastics
**Cons:**
1. Breaking change
2. Smth else what I don't see ?
**Additional info:**
- This method is also addressed in [this
PR](https://github.com/emilk/egui/pull/857).
- `check.sh` fails only on `cargo check --quiet -p eframe
--no-default-features --features wgpu` with `"The platform you're
compiling for is not supported by winit"` error, should it be launched
at all ?
This should help slightly with CPU/GPU parallelism when vsync is on.
I also return the time spent on vsync, which can help users figure out
how much CPU wall-time was used on non-vsync stuff
* Closes https://github.com/emilk/egui/issues/3882
This adds several methods to make drag-and-drop more ergonomic in egui.
In particular, egui can now keep track of _what_ is being dragged for
you (the _payload_).
Low-level:
* `egui::DragAndDrop` hold the payload during a drag
Mid-level:
* `Response::dnd_set_drag_payload` sets it for drag-sources
* `Response::dnd_hover_payload` and `Response::dnd_release_payload`
reads it for drop-targets
High-level:
* `ui.dnd_drag_source`: make a widget draggable
* `ui.dnd_drop_zone`: a container where things can be dropped
The drag-and-drop demo is now a lot simpler:
https://github.com/emilk/egui/blob/emilk/drag-and-drop/crates/egui_demo_lib/src/demo/drag_and_drop.rs
---------
Co-authored-by: Antoine Beyeler <abeyeler@ab-ware.com>
This lets users specify the spacing of the grid lines and the axis
labels, as well as when these start to fade out.
New:
* `AxisHints::new_x/new_y` (replaces `::default()`)
* `AxisHints::label_spacing`
* `Plot::grid_spacing`
Previously the `Frame` API only supported picking colors once, and then
adding widgets.
But what if you want to add widgets first, and THEN pick the colors for
the frame? Now you can!
```rs
let frame = Frame::default().inner_margin(4.0).begin(ui);
{
frame.content_ui.label("Inside the frame");
frame.content_ui.label("This too");
}
let response = frame.allocate_space(ui);
if response.hovered() {
frame.frame.stroke = Stroke::new(2.0, Color32::WHITE);
}
frame.paint(ui);
```
If a widgets sense both clicks and drags, we don't know wether or not a
mouse press on it will be a short click or a long drag.
With this PR, `response.dragged` and `response.drag_started` isn't true
until we know it is a drag and not a click.
If the widget ONLY senses drags, then we know as soon as someone presses
on it that it is a drag.
If it is sensitive to both clicks and drags, we don't know until the
mouse moves a bit, or stays pressed down long enough.
This PR also ensures that `response.clicked` and is only true for
widgets that senses clicks.
This can be useful for creating simple plugins for egui.
The state can be stored in the egui data store, or by the user.
An example plugin for painting debug text on screen is provided.
This adds smooth scrolling in egui. This makes scrolling in a
`ScrollArea` using a notched mouse wheel a lot nicer.
`InputState::scroll_delta` has been replaced by
`InputState::raw_scroll_delta` and `InputState::smooth_scroll_delta`.
Addition for <https://github.com/emilk/egui/pull/3847>
In previous one i only fixed crash occurring with Wgpu backend. This
fixes crash with Glow backend as well.
I only tested this change with android so most things i changed are
behind ```#[cfg(target_os = "android")]```.
Both fixes are dirty thought. As
<https://github.com/emilk/egui/pull/3172> says that "The root viewport
is the original viewport, and cannot be closed without closing the
application.". So they break rules i guess? But i can't think about
better solution for now.
Closes <https://github.com/emilk/egui/issues/3861>.
* Closes https://github.com/emilk/egui/issues/3816
Turn off with `style.interaction.multi_widget_text_select`.
There is an API for this in `LabelSelectionState`, but it's pretty
bare-bones.
This became really hairy implementation-wise, but it works decently
well.
# Limitations
* Drag-select to scroll doesn't work
* A selection disappears if you scroll past one of its end-points
* Only the text of labels and links are selectable
## TODO
* [x] An option to turn it off
* [x] An API for querying about the selected text, and to deselect it.
* [x] Scrolling past selection behaves weird
* [x] Shift-click to select a range
This makes all `wgpu` features opt-in for `egui-wgpu` users.
For `eframe`, I opted to enable some `wgpu` features so users can still
use `eframe` without having to also opt-in to extra ewgpu features
(eframe is batteries-included).
Setting `desired_maximum_frame_latency` to a low value should
theoretically lead to lower latency in winit apps using `egui-wgpu`
(e.g. in `eframe` with `wgpu` backend).
* Replaces https://github.com/emilk/egui/pull/3714
* See also https://github.com/gfx-rs/wgpu/pull/4899
----
It seems like `desired_maximum_frame_latency` has no effect on my Mac. I
lowered my monitor refresh-rate to 30Hz to test, and can see no
difference between `desired_maximum_frame_latency` of `0` or `3`.
Before when experimenting with changing the global `DESIRED_NUM_FRAMES`
in `wgpu` I saw a huge difference, so I wonder what has changed.
I verified that `set_maximum_drawable_count` is being called with either
`1` or `2`, but I perceive no difference between the two.
This PR adds the following APIs, which I found to be missing while
working on https://github.com/rerun-io/rerun/pull/4879:
- `Response::decidedly_dragged()`: tests if the corresponding widget is
being decidedly dragged
- `Memory::dragged_id()`: returns the ID of the dragged widget, if any
The `egui_winit::State` contains both the `clipboard` and `allow_ime`,
but these are both private fields. In our implementation we use
`egui_winit` to do most of the lifting, but it would come really in
handy if we could access these values.
Instead of making the fields `pub` we opted for separate get/set
functions, that way calling side can't freely replace any of the values
fully and it's more in line with the style of the rest of the codebase.
---------
Co-authored-by: Marijn Suijten <marijn@traverseresearch.nl>
Co-authored-by: Marijn Suijten <marijns95@gmail.com>
* Closes https://github.com/emilk/egui/issues/3841⚠️ Breaking change!
This defines `response.hovered()` to never be true if any other widget
is being dragged.
If you want to detect if a widget is being hovered while another widget
is being dragged, use the new `response.contains_pointer` instead. This
is necessaert for things like drag-and-drop targets.
Overall, this removes special-casing of non-interactive widgets.
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Added Viewport reinitialization and Window recreation for Android on
resume event.
Closes <https://github.com/emilk/egui/issues/3674>.
https://github.com/emilk/egui/assets/95014675/7bc51ea5-3f63-4422-b5a0-ce8291612982
How text editing behaves depends on what OS we are running on.
`target_os` is a compile-time check, but `ctx.os()` is a runtime check,
that works also on web.
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This breaking change seems to have snuck in during #3649. Previously it
would never consume these, today it consumes them unconditionally, and
with this change it'll ~~only consume them if egui wants text input~~
never consume them.
This is a blocker for updating our application, sadly :(
This broke in https://github.com/emilk/egui/pull/3172
Since 0.24.1, `stable_dt` has been fixed at 1/60s, which is a little bit
_too_ stable.
The code issue was the logic for asking "Is this the result of an
immeditate repaint?" was completely broken (always returning false).
* Closes https://github.com/emilk/egui/issues/3830
Added error messages when scaling to invalid sizes instead of panicking
through unwrap, returning to previous behavior.
Closes <https://github.com/emilk/egui/issues/3825>.
* Closes https://github.com/emilk/egui/issues/3804
Add ability to select the text in labels with mouse-drag, double-click,
and keyboard (once clicked).
Hit Cmd+C to copy the text. If everything of a label with elided text is
selected, the copy command will copy the full non-elided text. IME and
accesskit _should_ work, but is untested.
You can control wether or not text in labels is selected globally in
`style.interaction.selectable_labels` or on a per-label basis in
`Label::selectable`. The default is ON.
This also cleans up the `TextEdit` code somewhat, fixing a couple
smaller bugs along the way.
This does _not_ implement selecting text across multiple widgets. Text
selection is only supported within a single `Label`, `TextEdit`, `Link`
or `Hyperlink`.
## TODO
* [x] Test
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Closes#3759
Apparently the font implementation uses a distance check to decide if
the font(or whatever) need recalculations, after dpi changed:
8d4de866d4/crates/epaint/src/text/fonts.rs (L381-L382)
This leads to warnings when the pixel_per_point diff is very low and
spams the log. (<- this happens for me if i resize my window on kwin,
e.g. maximize it)
(I don't want to debate if the float difference generally makes sense,
so if you want to rework that instead just close this pr)
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Closes <https://github.com/emilk/egui/issues/THE_RELEVANT_ISSUE>.
Add option to use the scroll input from both directions to scroll the
enabled direction if scrolling is enabled for only one direction. This
can be used to allow horizontal scrolling without pressing shift if
vertical scrolling is disabled.
Closes <https://github.com/emilk/egui/issues/3624>.
This feels awful, @emilk why does this have to be an Arc?
Should the Arc be replaced with a new one when set_undoer is called, or
should it just replace the undoer inside the Arc?
Closes#3436
As described in #576, the method `Memory::layer_id_at` expands the
hit-testing region for every `Area` slightly. This is necessary so that,
when the user clicks to resize a `Window`, the mouse input isn't routed
to a different `Window`.
For non-resizable `Area`s (such as dropdown menus, context menus, date
pickers, and any non-resizable `Window`), this causes them to be
surrounded by a "dead zone" where any underlying widgets can't be
hovered or clicked. The effect is particularly noticeable in menu bars.
This commit adds a persisted `edges_padded_for_resize` property to
`Area`, which is `true` when the `Area` belongs to a resizable `Window`
and `false` for all other `Area`s. The hit-testing region is only
expanded when this property is `true`.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This PR replaces an old one with many problems (no collapse icon, the
header background was not funny colored, ugly...). It fixes those
problems.
It implements the highlight of the header to the focused window. And
allows the rest of the application to know the selected window. It
allows, for instance, to display multiple windows with images and some
additional meta information about those images on the side panel of the
main window. The side panel updates itself according to the selected
image window.
* Added a theme color for the selected window header.
* Added a function to retrieve the LayerId of the focused window.
* Implemented a simple demo of this function in the demo app where a
message states if the Option window is focused (at the bottom of the
Options window).
A technical point:
The header color is applied with a transparency of 125 so the
collapsible button becomes visible.
The reason is that the collapsible button is rendered before the rest of
the header and before the header size is known.
We cannot draw the background before knowing this value, so rendering
with transparency is a solution to see the collapsible button through
the header background.
This PR has been sponsored by my company, which left me to do it during
my work time.
This is part of an evil plan to convince them to switch to rust for new
projects :)
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
The minimum filled width is adapted to the radius and the animation is
disabled so it renders correctly.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
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Closes <https://github.com/emilk/egui/issues/THE_RELEVANT_ISSUE>.
This tiny change removes the trigger for a submenu to close if the mouse
is no longer hovering over it or one of its children. Now, the menu
stays open until a different menu item is selected. This aims to address
<https://github.com/emilk/egui/issues/2853>.
I suspected that a new trigger would need to be implemented so that
multiple menu items don't remain open simultaneously, but after some
testing, this does not appear to occur.
This change leaves `MenuState::hovering_current_submenu` and
`MenuState::close_submenu` as dead code in case they might be useful
later.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Added some DragValue widgets in the color_picker widget as input fields
for managing the RGBA values.
In case the provided values result in a not valid premultiplied alpha
RGBA color, a button will appear next to the input fields, to be used to
multiply the values with the alpha channel.
Closes <https://github.com/emilk/egui/issues/2716>.
---------
Co-authored-by: IVANMK-7 <68190772+IVANMK-7@users.noreply.github.com>
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Co-authored-by: Brian Janssen <tosti007@users.noreply.github.com>
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Closes <https://github.com/emilk/egui/issues/3466>.
Added a public API in `egui_plot -> legend` to allow `hidden_items` to
be overridden in the plot legend widget. This allows convenient control
of traces' visibilities the selection of traces from the application
code.
### Example
```rust
let legend_config = if plot_selection_changed {
let hidden_items = match plot_selection {
PlotSelection::SelectAll => Vec::new(),
PlotSelection::DeselectAll => all_trace_names,
};
Legend::default()
.position(Corner::RightTop)
.hidden_items(hidden_items) // Overrides `hidden_items`
} else {
Legend::default().position(Corner::RightTop)
};
Plot::new(id)
.legend(legend_config)
.show(ui, draw_plot);
```
Closes <https://github.com/emilk/egui/issues/3533>.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
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- Added methods to zoom the plot programmatically, to match the
previously added `translate_bounds()`.
- Added an example of how this method can be used to customize the plot
navigation.
Closes#1164.
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The ignored characters are used in some custom fonts.
for example: the \u{F0FF} is used as `cleaning_services` in
MaterialIcons-Regular.ttf
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Closes <https://github.com/emilk/egui/issues/THE_RELEVANT_ISSUE>.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
* Based on #3105 by @vvv.
## Additions and Changes
- Add `TableBuilder::sense()` and `StripBuilder::sense()` to enable
detecting clicks or drags on table and strip cells.
- Add `TableRow::select()` which takes a boolean that sets the highlight
state for all cells added after a call to it. This allows highlighting
an entire row or specific cells.
- Add `TableRow::response()` which returns the union of the `Response`
of all cells added to the row up to that point. This makes it easy to
detect interactions with an entire row. See below for an alternative
design.
- Add `TableRow::index()` and `TableRow::col_index()` helpers.
- Remove explicit `row_index` from callback passed to
`TableBody::rows()` and `TableBody::heterogeneous_rows()`, possible due
to the above. This is a breaking change but makes the callback
compatible with `TableBody::row()`.
- Update Table example to demonstrate all of the above.
## Design Decisions
An alternative design to `TableRow::response()` would be to return the
row response from `TableBody`s `row()`, `rows()` and
`heterogeneous_rows()` functions. `row()` could just return the
response. `rows()` and `heterogeneous_rows()` could return a tuple of
the hovered row index and that rows response. I feel like this might be
the cleaner soluction if only returning the hovered rows response isn't
too limiting.
I didn't implement `TableBuilder::select_rows()` as described
[here](https://github.com/emilk/egui/pull/3105#issuecomment-1618062533)
because it requires an immutable borrow of the selection state for the
lifetime of the `TableBuilder`. This makes updating the selection state
from within the body unnecessarily complicated. Additionally the current
design allows for selecting specific cells, though that could be
possible by modifying `TableBuilder::select_rows()` to provide row and
column indices like below.
```rust
pub fn select_cells(is_selected: impl Fn(usize, usize) -> bool) -> Self
```
## Hover Highlighting
EDIT: Thanks to @samitbasu we now have hover highlighting too.
~This is not implemented yet. Ideally we'd have an api that allows to
choose between highlighting the hovered cell, column or row. Should
cells containing interactive widgets, be highlighted when hovering over
the widget or only when hovering over the cell itself? I'd like to
implement that before this gets merged though.~
Feedback is more than welcome. I'd be happy to make any changes
necessary to get this merged.
* Closes#1519
* Closes#1553
* Closes#3069
---------
Co-authored-by: Samit Basu <basu.samit@gmail.com>
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
* Closes https://github.com/emilk/egui/issues/3626
Basically, egui now ignores extra SHIFT and ALT pressed when matching
keyboard shortcuts.
This is because SHIFT and ALT are often requires to produce some logical
keys.
For instance, typing `+` on an English keyboard requires pressing `SHIFT
=`,
so the keyboard shortcut looking for `CTRL +` should ignore the SHIFT
key.
@abey79 You reported problem using `Cmd +` and `Cmd -` to zoom - does
this fix it for you?
You can run with `RUST_LOG=egui_winit=trace cargo run` to see a printout
of how winit reports the logical and physical keys, and how egui
interprets them.
Weirdly, on Mac winit reports `SHIFT =` as `+`, but `CMD SHIFT =` as `=`
(on an English keyboard) so things are… difficult.
* Closes https://github.com/emilk/egui/issues/3766
Add support for type in CompositionEnd only characters without trigger
CompositionStart first.
This usually works with no-latin character input.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This fixes a bug where the context menu would open when dragging with
the secondary mouse button.
Now the context menu requires a click to open.
This is important for things like plots, where right-click and
right-drag means different things.
Compiled changelog below:
- On X11, fix Xft.dpi reload during runtime.
- On X11, fix window minimize.
- On Web, fix context menu not being disabled by
with_prevent_default(true).
- On Wayland, fix WindowEvent::Destroyed not being delivered after
destroying window.
- Fix EventLoopExtRunOnDemand::run_on_demand not working for consequent
invocation
- On macOS, remove spurious error logging when handling Fn.
- On X11, fix an issue where floating point data from the server is
- misinterpreted during a drag and drop operation.
- On X11, fix a bug where focusing the window would panic.
- On macOS, fix refresh_rate_millihertz.
- On Wayland, disable Client Side Decorations when wl_subcompositor is
not supported.
- On X11, fix Xft.dpi detection from Xresources.
- On Windows, fix consecutive calls to
window.set_fullscreen(Some(Fullscreen::Borderless(None))) resulting in
losing previous window state when eventually exiting fullscreen using
window.set_fullscreen(None).
- On Wayland, fix resize being sent on focus change.
- On Windows, fix set_ime_cursor_area.
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This adds the missing variant described in below issue.
Closes <https://github.com/emilk/egui/issues/3748>.
If you wish - or even desired - I could look into implement the From
conversion between ResizeDirection and CursorInfo in a seperate PR.
I ran into an issue then running `check.sh` however it seems unrelated
to this PR.
For clarity I'm running Linux, with a wayland compositor.
```bash
~/dev/rust/egui ❯ cargo clean [add-missing-resizedirection ≡]
~/dev/rust/egui ❯ ./scripts/check.sh [add-missing-resizedirection ≡]
+ cargo install --quiet cargo-cranky
+ cargo install --quiet typos-cli
+ export 'RUSTFLAGS=--cfg=web_sys_unstable_apis -D warnings'
+ RUSTFLAGS='--cfg=web_sys_unstable_apis -D warnings'
+ export 'RUSTDOCFLAGS=-D warnings'
+ RUSTDOCFLAGS='-D warnings'
+ typos
+ ./scripts/lint.py
./scripts/lint.py finished without error
+ cargo fmt --all -- --check
+ cargo doc --quiet --lib --no-deps --all-features
+ cargo doc --quiet --document-private-items --no-deps --all-features
+ cargo cranky --quiet --all-targets --all-features -- -D warnings
+ ./scripts/clippy_wasm.sh
+ export CLIPPY_CONF_DIR=scripts/clippy_wasm
+ CLIPPY_CONF_DIR=scripts/clippy_wasm
+ cargo cranky --quiet --all-features --target wasm32-unknown-unknown --target-dir target_wasm -p egui_demo_app --lib -- --deny warnings
+ cargo check --quiet --all-targets
+ cargo check --quiet --all-targets --all-features
+ cargo check --quiet -p egui_demo_app --lib --target wasm32-unknown-unknown
+ cargo check --quiet -p egui_demo_app --lib --target wasm32-unknown-unknown --all-features
+ cargo test --quiet --all-targets --all-features
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 4 tests
i...
test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 14 tests
..............
test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
running 1 test
.
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 3 tests
...
test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
Testing demo_with_tessellate__realistic
Success
Testing demo_no_tessellate
Success
Testing demo_only_tessellate
Success
Testing label &str
Success
Testing label format!
Success
Testing Painter::rect
Success
Testing text_layout_uncached
Success
Testing text_layout_cached
Success
Testing tessellate_text
Success
running 3 tests
...
test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 1 test
.
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 7 tests
.......
test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 23 tests
.......................
test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
Testing single_dashed_lines
Success
Testing many_dashed_lines
Success
Testing tessellate_circles_100k
Success
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
+ cargo test --quiet --doc
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 4 tests
....
test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
running 146 tests
........................................................................................ 88/146
i.........................................................
test result: ok. 145 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 108.27s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
running 5 tests
iiii.
test result: ok. 1 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 3.65s
running 5 tests
.....
test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.99s
running 2 tests
..
test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
running 5 tests
ii...
test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.53s
running 11 tests
...........
test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.38s
running 5 tests
i....
test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.01s
+ cd crates/eframe
+ cargo check --quiet --no-default-features --features glow
+ cd crates/eframe
+ cargo check --quiet --no-default-features --features wgpu
error: The platform you're compiling for is not supported by winit
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/platform_impl/mod.rs:67:1
|
67 | compile_error!("The platform you're compiling for is not supported by winit");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0432]: unresolved import `self::platform`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/platform_impl/mod.rs:26:15
|
26 | pub use self::platform::*;
| ^^^^^^^^ could not find `platform` in `self`
error[E0432]: unresolved import `crate::platform_impl::PlatformIcon`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/icon.rs:1:5
|
1 | use crate::platform_impl::PlatformIcon;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `PlatformIcon` in `platform_impl`
error[E0433]: failed to resolve: could not find `DeviceId` in `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/event.rs:616:42
|
616 | DeviceId(unsafe { platform_impl::DeviceId::dummy() })
| ^^^^^^^^ could not find `DeviceId` in `platform_impl`
error[E0433]: failed to resolve: could not find `WindowId` in `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/window.rs:99:42
|
99 | WindowId(unsafe { platform_impl::WindowId::dummy() })
| ^^^^^^^^ could not find `WindowId` in `platform_impl`
error[E0433]: failed to resolve: could not find `Window` in `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/window.rs:513:28
|
513 | platform_impl::Window::new(&window_target.p, self.window, self.platform_specific)?;
| ^^^^^^ could not find `Window` in `platform_impl`
error[E0412]: cannot find type `OsError` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/error.rs:28:27
|
28 | error: platform_impl::OsError,
| ^^^^^^^ not found in `platform_impl`
|
help: there is an enum variant `crate:🪟:BadIcon::OsError`; try using the variant's enum
|
28 | error: crate:🪟:BadIcon,
| ~~~~~~~~~~~~~~~~~~~~~~
error[E0412]: cannot find type `OsError` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/error.rs:62:76
|
62 | pub(crate) fn new(line: u32, file: &'static str, error: platform_impl::OsError) -> OsError {
| ^^^^^^^ not found in `platform_impl`
|
help: there is an enum variant `crate:🪟:BadIcon::OsError`; try using the variant's enum
|
62 | pub(crate) fn new(line: u32, file: &'static str, error: crate:🪟:BadIcon) -> OsError {
| ~~~~~~~~~~~~~~~~~~~~~~
error[E0412]: cannot find type `DeviceId` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/event.rs:602:47
|
602 | pub struct DeviceId(pub(crate) platform_impl::DeviceId);
| ^^^^^^^^ not found in `platform_impl`
error[E0412]: cannot find type `KeyEventExtra` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/event.rs:787:50
|
787 | pub(crate) platform_specific: platform_impl::KeyEventExtra,
| ^^^^^^^^^^^^^ not found in `platform_impl`
error[E0412]: cannot find type `EventLoop` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/event_loop.rs:41:43
|
41 | pub(crate) event_loop: platform_impl::EventLoop<T>,
| ^^^^^^^^^ not found in `platform_impl`
|
help: consider importing this struct
|
10 + use calloop::EventLoop;
|
help: if you import `EventLoop`, refer to it directly
|
41 - pub(crate) event_loop: platform_impl::EventLoop<T>,
41 + pub(crate) event_loop: EventLoop<T>,
|
error[E0412]: cannot find type `EventLoopWindowTarget` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/event_loop.rs:52:34
|
52 | pub(crate) p: platform_impl::EventLoopWindowTarget<T>,
| ^^^^^^^^^^^^^^^^^^^^^ not found in `platform_impl`
error[E0412]: cannot find type `PlatformSpecificEventLoopAttributes` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/event_loop.rs:62:50
|
62 | pub(crate) platform_specific: platform_impl::PlatformSpecificEventLoopAttributes,
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `platform_impl`
error[E0433]: failed to resolve: could not find `EventLoop` in `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/event_loop.rs:128:40
|
128 | event_loop: platform_impl::EventLoop::new(&mut self.platform_specific)?,
| ^^^^^^^^^ could not find `EventLoop` in `platform_impl`
|
help: consider importing this struct
|
10 + use calloop::EventLoop;
|
help: if you import `EventLoop`, refer to it directly
|
128 - event_loop: platform_impl::EventLoop::new(&mut self.platform_specific)?,
128 + event_loop: EventLoop::new(&mut self.platform_specific)?,
|
error[E0412]: cannot find type `EventLoopProxy` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/event_loop.rs:394:38
|
394 | event_loop_proxy: platform_impl::EventLoopProxy<T>,
| ^^^^^^^^^^^^^^ not found in `platform_impl`
error[E0412]: cannot find type `VideoMode` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/monitor.rs:18:43
|
18 | pub(crate) video_mode: platform_impl::VideoMode,
| ^^^^^^^^^ not found in `platform_impl`
error[E0412]: cannot find type `MonitorHandle` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/monitor.rs:104:38
|
104 | pub(crate) inner: platform_impl::MonitorHandle,
| ^^^^^^^^^^^^^ not found in `platform_impl`
error[E0412]: cannot find type `VideoMode` in this scope
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/platform_impl/mod.rs:31:15
|
31 | Exclusive(VideoMode),
| ^^^^^^^^^ not found in this scope
|
help: consider importing this struct
|
1 + use crate::monitor::VideoMode;
|
error[E0412]: cannot find type `MonitorHandle` in this scope
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/platform_impl/mod.rs:32:23
|
32 | Borderless(Option<MonitorHandle>),
| ^^^^^^^^^^^^^
|
::: /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/monitor.rs:103:1
|
103 | pub struct MonitorHandle {
| ------------------------ similarly named struct `RootMonitorHandle` defined here
|
help: a struct with a similar name exists
|
32 | Borderless(Option<RootMonitorHandle>),
| ~~~~~~~~~~~~~~~~~
help: consider importing this struct
|
1 + use crate::monitor::MonitorHandle;
|
error[E0412]: cannot find type `Window` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/window.rs:55:39
|
55 | pub(crate) window: platform_impl::Window,
| ^^^^^^ not found in `platform_impl`
error[E0412]: cannot find type `WindowId` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/window.rs:85:47
|
85 | pub struct WindowId(pub(crate) platform_impl::WindowId);
| ^^^^^^^^ not found in `platform_impl`
error[E0412]: cannot find type `PlatformSpecificWindowBuilderAttributes` in module `platform_impl`
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/window.rs:123:50
|
123 | pub(crate) platform_specific: platform_impl::PlatformSpecificWindowBuilderAttributes,
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `platform_impl`
error[E0282]: type annotations needed
--> /home/dbuch/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.29.4/src/window.rs:537:17
|
537 | builder.build(event_loop)
| ^^^^^ cannot infer type of the type parameter `T` declared on the method `build`
|
help: consider specifying the generic argument
|
537 | builder.build::<T>(event_loop)
| +++++
Some errors have detailed explanations: E0282, E0412, E0432, E0433.
For more information about an error, try `rustc --explain E0282`.
error: could not compile `winit` (lib) due to 23 previous errors
~/dev/rust/egui ❯ [add-missing-resizedirection ≡]
```
The comment added in commit 8a0bc97e ("[egui_glium] Fix paste") seems to
assume that `winit` "should have translated" common "paste" keyboard
combos to a `Cut`/`Copy`/`Paste` "KeyCode", but completely glossed over
the fact that this `KeyCode` (now also `NamedKey`) maps to a special key
dedicated to this purpose found on some keyboards and OSes. Make sure
that this key is still handled in addition to the combo that is
detected.
---
Note that this PR does not compile as it is (and I have hence not tested
this nor even ran into this limitation), just noticed this inconsistency
while failing to understand a code comment. We'd have to decide if the
variants should be added to `egui::Key` or if these helper functions
need to take `winit` keys (`ScanCode` or `NamedKey`) directly?
I should have an old keyboard with a physical paste key in a drawer
somewhere. And on Android there are special copy/paste events that can
be sent by a virtual keyboard or the debug shell, so that this can be
properly tested before it is merged.
(Except that the current `clipboard` implementation is not supported on
Android)
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Since accesskit_winit version 0.15.0, it is necessary to call
`Adapter::process_events` to let AccessKit fire up window focus events
on Unix and macOS. Furthermore this has always been needed on Unix (X11
only) to let AccessKit know about the window bounds, which is needed to
perform hit-testing on nodes.
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Closes <https://github.com/emilk/egui/issues/3677>.
This can naturally be obtained by starting the drawing a bit "later",
but providing support for this directly will simplify interleaved
drawing of dashed lines.
An even more general approach would be to allow passing an even-length
vector of lengths and gaps, in addition to offset. Primarily thinking if
it is better to go even further if a new dashed-line-method is
introduced. The second commit introduce this (I can naturally squash
these!).
This PR fixes an issue where a bad pivot stored in app state would
override the pivot actually set from code. The root code of this issue
if the `Window`'s `State` containing `pivot` in the first place, as
`pivot` is not part of a state to be tracked. It makes the `State`
structure more ergonomic though, so this PR leaves the `pivot` field but
always overrides it with the value provided by user code.
#### Repro of the original issue
This issue can be reproduced using the `re_ui_example` app from the
Rerun repo, at this commit:
fb5add0047.
By using this `app.ron` file, the bug will appear:
```
{
"egui": "(
areas:{
((0)):(
areas:{
(13430889033718688666):(pivot_pos:(x:565.5,y:328.0),pivot:((Min,Min)),size:(x:364.0,y:75.5),interactable:true),
},
)
}
)",
}
```
The modal is entered based on it's top-left corner even though the code
actually specifies a center-center pivot:
<img width="1312" alt="image"
src="https://github.com/emilk/egui/assets/49431240/6df1a8bb-d1ea-4e15-866c-5f14138dda0e">
With this PR, the centring is correct even with the "poisoned"
`app.ron`:
<img width="1312" alt="image"
src="https://github.com/emilk/egui/assets/49431240/7f50b2d4-9245-48f3-91de-c747bbc8c40e">
This introduces a special `Color32::PLACEHOLDER` which, during text
painting, will be replaced with `TextShape::fallback_color`.
The fallback color is mandatory to set in all text painting. Usually
this comes from the current visual style.
This lets users color only parts of a `WidgetText` (using e.g. a
`LayoutJob` or a `Galley`), where the uncolored parts (using
`Color32::PLACEHOLDER`) will be replaced by a default widget color (e.g.
blue for a hyperlink).
For instance, you can color the `⚠️`-emoji red in a piece of text red
and leave the rest of the text uncolored. The color of the rest of the
text will then depend on wether or not you put that text in a label, a
button, or a hyperlink.
Overall this simplifies a lot of complexity in the code but comes with a
few breaking changes:
* `TextShape::new`, `Shape::galley`, and `Painter::galley` now take a
fallback color by argument
* `Shape::galley_with_color` has been deprecated (use `Shape::galley`
instead)
* `Painter::galley_with_color` has been deprecated (use
`Painter::galley` instead)
* `WidgetTextGalley` is gone (use `Arc<Galley>` instead)
* `WidgetTextJob` is gone (use `LayoutJob` instead)
* `RichText::into_text_job` has been replaced with
`RichText::into_layout_job`
* `WidgetText::into_text_job` has been replaced with
`WidgetText::into_layout_job`
Please take a look @Bromeon and @EmbersArc!
You have both contributed substantially to `egui_plot` (more than I
have).
This is me inviting you to co-maintain the `egui_plot` crate.
If you accept, you'll get a notification when someone opens a PR
touching `egui_plot`, and you can review and merge it as you see fit.
You can also merge your own egui_plot PRs without waiting on me to
review them.
Update `resvg` from v0.28 to v0.37.
Remove related, unnecessary entries from `deny.toml`.
⚠ In example `images` ferris is scaled differently, but I guess that now
it scales in expected way (takes all available space; before this PR it
takes up to space that, was available at first render- it does not
upscale).
This PR is minimal adaptation to new `resvg` api and small related
simplification, however it should be considered to update loaders
(currently if svg image initially was small and was scaled up it will be
blurred, see https://github.com/emilk/egui/issues/3501). As svg image
now scales over render size, problem will be more often seen now.
(currently `SvgLoader` theoretically should rerender for different sizes
(but I guess it will result in memory leak in that case), but refreshing
is stopped earlier in `DefaultTextureLoader`).
I have initial version of loaders update, that will fix issue with svg
scaling (and also enable e.g. reloading image if file has been changed),
I will submit these changes in separate PR once this one is merged.
Closes <https://github.com/emilk/egui/issues/3652>.
These PR recently cleaned up the code around auto-bounds, but introduced
an involuntary change whereby auto-bounds would not be enabled by
default. All plots would default to being not properly centred as a
result.
- #3587
- #3586
This PR changes the default back to enabled. It also deprecates
`auto_bounds_x()` and `auto_bounds_y()`, which could only enable
auto-bounds (which is not very useful as auto-bounds were, and now are
again, enabled by default). A new `auto_bounds()` API can now be sued to
disable auto-bounds if needed.
Fixes#3712
Fixes https://github.com/rerun-io/rerun/issues/4503
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Small spelling error - changed `Addintional` to `Additional`
I broke this in https://github.com/emilk/egui/pull/3665
For some reason, when using multiple viewports, the first "clear"
doesn't take.
I don't have time to investigate further, so I am adding a hack here
which:
* For single-viewport apps, the clear is done before `App::update` so
user can paint there
* For multi-viewport apps, the clear is done after `App::update`, so
that it works
This means painting in `App::update` won't work with multi-viewports.
Ideally, users should use paint callbacks instead of painting directly
in `App::update` anyways.
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This is a very simple change so you don't have to do this:
https://github.com/zeozeozeo/egui-keybind/blob/master/src/bind.rs#L149-L172
Useful when debugging, e.g. if the default choice is one of many, and
perhaps the other ones would be better.
**EDIT**: Oh, `enumerate_adapters` doesn't work on web… will fix.
It required some ugly code in `egui-winit` in order to fix this without
breaking sem-ver (I want this to land in a 0.24.1 patch release). I'll
clean up in time for 0.25.
There is still a font rendering bug when using immediate viewports
across multiple viewports, but that's harder to fix.
We were using [`tts`](https://github.com/ndarilek/tts-rs) for the
web-only screen reader. This was overkill, to say the least. It is now
replaced with ten lines of `web-sys` calls.
This is a bug that can occur on Windows, previously it was fixed by only
showing the window after the first frame was rendered, but the bug
appeared again with egui 0.24.0. This commit fixes this bug by making
the window invisible on startup.
## Before
## After
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Closes https://github.com/emilk/egui/issues/3625.
This appears to have been 'consumed' by the viewport changes at one
point (by updating `viewport_info`), but this is no longer the case. We
should avoid marking this as 'consumed', so that applications know to
continue processing this event after passing it to egui.
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* Follow-up to https://github.com/emilk/egui/pull/3621 and
https://github.com/emilk/egui/pull/3513
To work around a Safari limitation, we run the app logic in the event
handler of copy, cut, and mouse up and down.
Previously the output of that frame was discarded, but in this PR it is
now saved to be used in the next requestAnimationFrame.
The result is noticeable more distinct clicks on buttons (one more frame
of highlight)
Bonus: also fix auto-save of a sleeping web app
* Fixes https://github.com/rerun-io/rerun/issues/4297
* tested against a very hasty and incomplete port of egui/trunk, found
[here](https://github.com/rerun-io/rerun/tree/andreas/experimental-egui-trunk)
In rare cases in can happen that the viewport returned by
`PaintCallbackInfo` is outside the bounds of the screen.
for at least [wgpu/webgpu in
particular](https://www.w3.org/TR/webgpu/#dom-gpurenderpassencoder-setviewport)
this is invalid usage, other backends might be affected as well.
Since this happened due to a float rounding error (in one repro case I
had I got (width==1126.5625) + (offset=715.4376) = 1842.0001 for a
resolution of 1842) I decided to do away with fractional values on the
viewport alltogether. They _technically_ make sense since a viewport is
only specifying the NDC to pixel coordinate conversion, but practically
this may lead to surprising sub-sampling issues.
---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
* Closes https://github.com/emilk/egui/issues/3602
You can now zoom any egui app by pressing Cmd+Plus, Cmd+Minus or Cmd+0,
just like in a browser. This will change the current `zoom_factor`
(default 1.0) which is persisted in the egui memory, and is the same for
all viewports.
You can turn off the keyboard shortcuts with `ctx.options_mut(|o|
o.zoom_with_keyboard = false);`
`zoom_factor` can also be explicitly read/written with
`ctx.zoom_factor()` and `ctx.set_zoom_factor()`.
This redefines `pixels_per_point` as `zoom_factor *
native_pixels_per_point`, where `native_pixels_per_point` is whatever is
the native scale factor for the monitor that the current viewport is in.
This adds some complexity to the interaction with winit, since we need
to know the current `zoom_factor` in a lot of places, because all egui
IO is done in ui points. I'm pretty sure this PR fixes a bunch of subtle
bugs though that used to be in this code.
`egui::gui_zoom::zoom_with_keyboard_shortcuts` is now gone, and is no
longer needed, as this is now the default behavior.
`Context::set_pixels_per_point` is still there, but it is recommended
you use `Context::set_zoom_factor` instead.
* Closes https://github.com/emilk/egui/issues/3494
This makes sure it is always up-to-date.
Previously (years back) this caused a deadlock on Mac, but this seems to
have been fixed
This is required for Rust 1.72 (for unknown reasons; see
https://github.com/emilk/egui/pull/3595), but also for updating to glow
0.13, where the `glow::Context` is not longer `Sync+Send`
* Closes <https://github.com/emilk/egui/issues/3480>
I've tested this on Safari and Chrome on macOS Sonoma 14.0.
Could be improved to only call `event.preventDefault()` if
`runner.logic()` actually performed a copy, but I don't see a way to get
that information out with the current API.
* Closes#1974
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---------
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Part 1 of 2 of adding a better API for egui_plot's auto-bounds feature.
In this PR:
- change the `Plot` builder struct field to `default_auto_bounds` (was
`auto_bounds`)
- change the `Plot` state field to `auto_bounds` (was `bounds_modified`)
- minor improvements to `Vec2b`
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Closes <https://github.com/emilk/egui/issues/3576>.
Introduced in the recent multi-viewports work, we accidentally recreated
the wgpu surfaces every frame. This is now fixed.
I found this while improving the profiling of `eframe`
* Part of https://github.com/emilk/egui/issues/3556
This PR replaces a bunch of options in `eframe::NativeOptions` with
`egui::ViewportBuilder`. For instance:
``` diff
let options = eframe::NativeOptions {
- initial_window_size: Some(egui::vec2(320.0, 240.0)),
- drag_and_drop_support: true,
+ viewport: egui::ViewportBuilder::default()
+ .with_inner_size([320.0, 240.0])
+ .with_drag_and_drop(true),
centered: true,
..Default::default()
};
```
* Part of https://github.com/emilk/egui/issues/3556
## In short
You now almost never need to use `eframe::Frame` - instead use
`ui.input(|i| i.viewport())` for information about the current viewport
(native window), and use `ctx.send_viewport_cmd` to modify it.
## In detail
This PR removes most commands from `eframe::Frame`, and replaces them
with `ViewportCommand`.
So `frame.close()` becomes
`ctx.send_viewport_cmd(ViewportCommand::Close)`, etc.
`frame.info().window_info` is now also gone, replaced with `ui.input(|i|
i.viewport())`.
`frame.info().native_pixels_per_point` is replaced with `ui.input(|i|
i.raw.native_pixels_per_point)`.
`RawInput` now contains one `ViewportInfo` for each viewport.
Screenshots are taken with
`ctx.send_viewport_cmd(ViewportCommand::Screenshots)` and are returned
in `egui::Event` which you can check with:
``` ust
ui.input(|i| {
for event in &i.raw.events {
if let egui::Event::Screenshot { viewport_id, image } = event {
// handle it here
}
}
});
```
### Motivation
You no longer need to pass around the `&eframe::Frame` everywhere.
This also opens the door for other integrations to use the same API of
`ViewportCommand`s.
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Closes <https://github.com/emilk/egui/issues/3474>.
Was a bit confused why the max_size API isn't exposed on `Window`, when
it's perfectly functional in `Resize`. Anyway here's the main thing that
it affects:
```rs
let screen = ctx.available_rect();
let size = screen.size();
egui::Window::new(self.name())
.resizable(true)
.resize(|resize| resize.max_size(size)) // Before
.max_size(size) // After
.show(ctx, |ui| todo!());
```
I also added some other relevant helpers for consistency.
This PR doesn't change any logic, only forwards along some helper
functions that are already public for consistency.
* Closes#1044
---
(new PR description written by @emilk)
## Overview
This PR introduces the concept of `Viewports`, which on the native
eframe backend corresponds to native OS windows.
You can spawn a new viewport using `Context::show_viewport` and
`Cotext::show_viewport_immediate`.
These needs to be called every frame the viewport should be visible.
This is implemented by the native `eframe` backend, but not the web one.
## Viewport classes
The viewports form a tree of parent-child relationships.
There are different classes of viewports.
### Root vieport
The root viewport is the original viewport, and cannot be closed without
closing the application.
### Deferred viewports
These are created with `Context::show_viewport`.
Deferred viewports take a closure that is called by the integration at a
later time, perhaps multiple times.
Deferred viewports are repainted independenantly of the parent viewport.
This means communication with them need to done via channels, or
`Arc/Mutex`.
This is the most performant type of child viewport, though a bit more
cumbersome to work with compared to immediate viewports.
### Immediate viewports
These are created with `Context::show_viewport_immediate`.
Immediate viewports take a `FnOnce` closure, similar to other egui
functions, and is called immediately. This makes communication with them
much simpler than with deferred viewports, but this simplicity comes at
a cost: whenever tha parent viewports needs to be repainted, so will the
child viewport, and vice versa. This means that if you have `N`
viewports you are poentially doing `N` times as much CPU work. However,
if all your viewports are showing animations, and thus are repainting
constantly anyway, this doesn't matter.
In short: immediate viewports are simpler to use, but can waste a lot of
CPU time.
### Embedded viewports
These are not real, independenant viewports, but is a fallback mode for
when the integration does not support real viewports. In your callback
is called with `ViewportClass::Embedded` it means you need to create an
`egui::Window` to wrap your ui in, which will then be embedded in the
parent viewport, unable to escape it.
## Using the viewports
Only one viewport is active at any one time, identified wth
`Context::viewport_id`.
You can send commands to other viewports using
`Context::send_viewport_command_to`.
There is an example in
<https://github.com/emilk/egui/tree/master/examples/multiple_viewports/src/main.rs>.
## For integrations
There are several changes relevant to integrations.
* There is a [`crate::RawInput::viewport`] with information about the
current viewport.
* The repaint callback set by `Context::set_request_repaint_callback`
now points to which viewport should be repainted.
* `Context::run` now returns a list of viewports in `FullOutput` which
should result in their own independant windows
* There is a new `Context::set_immediate_viewport_renderer` for setting
up the immediate viewport integration
* If you support viewports, you need to call
`Context::set_embed_viewports(false)`, or all new viewports will be
embedded (the default behavior).
## Future work
* Make it easy to wrap child viewports in the same chrome as
`egui::Window`
* Automatically show embedded viewports using `egui::Window`
* Use the new `ViewportBuilder` in `eframe::NativeOptions`
* Automatically position new viewport windows (they currently cover each
other)
* Add a `Context` method for listing all existing viewports
Find more at https://github.com/emilk/egui/issues/3556
---
<details>
<summary>
Outdated PR description by @konkitoman
</summary>
## Inspiration
- Godot because the app always work desktop or single_window because of
embedding
- Dear ImGui viewport system
## What is a Viewport
A Viewport is a egui isolated component!
Can be used by the egui integration to create native windows!
When you create a Viewport is possible that the backend do not supports
that!
So you need to check if the Viewport was created or you are in the
normal egui context!
This is how you can do that:
```rust
if ctx.viewport_id() != ctx.parent_viewport_id() {
// In here you add the code for the viewport context, like
egui::CentralPanel::default().show(ctx, |ui|{
ui.label("This is in a native window!");
});
}else{
// In here you add the code for when viewport cannot be created!
// You cannot use CentralPanel in here because you will override the app CentralPanel
egui::Window::new("Virtual Viewport").show(ctx, |ui|{
ui.label("This is without a native window!\nThis is in a embedded viewport");
});
}
```
This PR do not support for drag and drop between Viewports!
After this PR is accepted i will begin work to intregrate the Viewport
system in `egui::Window`!
The `egui::Window` i want to behave the same on desktop and web
The `egui::Window` will be like Godot Window
## Changes and new
These are only public structs and functions!
<details>
<summary>
## New
</summary>
- `egui::ViewportId`
- `egui::ViewportBuilder`
This is like winit WindowBuilder
- `egui::ViewportCommand`
With this you can set any winit property on a viewport, when is a native
window!
- `egui::Context::new`
- `egui::Context::create_viewport`
- `egui::Context::create_viewport_sync`
- `egui::Context::viewport_id`
- `egui::Context::parent_viewport_id`
- `egui::Context::viewport_id_pair`
- `egui::Context::set_render_sync_callback`
- `egui::Context::is_desktop`
- `egui::Context::force_embedding`
- `egui::Context::set_force_embedding`
- `egui::Context::viewport_command`
- `egui::Context::send_viewport_command_to`
- `egui::Context::input_for`
- `egui::Context::input_mut_for`
- `egui::Context::frame_nr_for`
- `egui::Context::request_repaint_for`
- `egui::Context::request_repaint_after_for`
- `egui::Context::requested_repaint_last_frame`
- `egui::Context::requested_repaint_last_frame_for`
- `egui::Context::requested_repaint`
- `egui::Context::requested_repaint_for`
- `egui::Context::inner_rect`
- `egui::Context::outer_rect`
- `egui::InputState::inner_rect`
- `egui::InputState::outer_rect`
- `egui::WindowEvent`
</details>
<details>
<summary>
## Changes
</summary>
- `egui::Context::run`
Now needs the viewport that we want to render!
- `egui::Context::begin_frame`
Now needs the viewport that we want to render!
- `egui::Context::tessellate`
Now needs the viewport that we want to render!
- `egui::FullOutput`
```diff
- repaint_after
+ viewports
+ viewport_commands
```
- `egui::RawInput`
```diff
+ inner_rect
+ outer_rect
```
- `egui::Event`
```diff
+ WindowEvent
```
</details>
### Async Viewport
Async means that is independent from other viewports!
Is created by `egui::Context::create_viewport`
To be used you will need to wrap your state in `Arc<RwLock<T>>`
Look at viewports example to understand how to use it!
### Sync Viewport
Sync means that is dependent on his parent!
Is created by `egui::Context::create_viewport_sync`
This will pause the parent then render itself the resumes his parent!
#### ⚠️ This currently will make the fps/2 for every sync
viewport
### Common
#### ⚠️ Attention
You will need to do this when you render your content
```rust
ctx.create_viewport(ViewportBuilder::new("Simple Viewport"), | ctx | {
let content = |ui: &mut egui::Ui|{
ui.label("Content");
};
// This will make the content a popup if cannot create a native window
if ctx.viewport_id() != ctx.parent_viewport_id() {
egui::CentralPanel::default().show(ctx, content);
} else {
egui::Area::new("Simple Viewport").show(ctx, |ui| {
egui::Frame::popup(ui.style()).show(ui, content);
});
};
});
````
## What you need to know as egui user
### If you are using eframe
You don't need to change anything!
### If you have a manual implementation
Now `egui::run` or `egui::begin` and `egui::tessellate` will need the
current viewport id!
You cannot create a `ViewportId` only `ViewportId::MAIN`
If you make a single window app you will set the viewport id to be
`egui::ViewportId::MAIN` or see the `examples/pure_glow`
If you want to have multiples window support look at `crates/eframe`
glow or wgpu implementations!
## If you want to try this
- cargo run -p viewports
## This before was wanted to change
This will probably be in feature PR's
### egui::Window
To create a native window when embedded was set to false
You can try that in viewports example before:
[78a0ae8](78a0ae879e)
### egui popups, context_menu, tooltip
To be a native window
</details>
---------
Co-authored-by: Konkitoman <konkitoman@users.noreply.github.com>
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
Co-authored-by: Pablo Sichert <mail@pablosichert.com>
Tested on M1 Mac:
* native
* webgl, firefox
* webgpu, chrome
all looking normal
Updated minor ahash version because 0.8.1 got yanked. Added some deny
exceptions for now - we'll have to update winit soon to resolve glow
related cargo deny errors (not a big issue though since we don't expect
wgpu and glow backends to be used at the same time)
Thanks to `impl From<bool> for Vec2b` one can now shorten some builder
calls, like:
Previous:
```rust
egui::ScrollArea::vertical()
.auto_shrink([false; 2])
```
New:
```rust
egui::ScrollArea::vertical()
.auto_shrink(false)
```
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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* If applicable, add a screenshot or gif.
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`egui_demo_lib`, or a new example.
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maintainers to add commits to your PR.
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* Open the PR as a draft until you have self-reviewed it and run
`./scripts/check.sh`.
* When you have addressed a PR comment, mark it as resolved.
Please be patient! I will review you PR, but my time is limited!
-->
If no widget is focused (such as when an application just started or
after Escape was pressed), pressing Shift+Tab does not set the focus to
the last widget. I think this PR fixes that.
* Functions that take Stroke were updated to take Into<Stroke> to make
them consistent with other Into<Stroke> parameters.
* Vec2 implements DivAssign<f32>, to make it consistent with already
implementing MulAssign<f32> and Div<f32>.
* Vec2::angled() uses sin_cos() rather than an individual sin() and
cos() call for an immeasurable but hypothetical performance improvement.
* Disable the lock_reentry_single_thread() mutex test. Lock()ing twice
on the same thread is not guaranteed to panic.
* Closes <https://github.com/emilk/egui/issues/3419>.
* Move scroll bar spacing settings to a `struct ScrollSpacing`
* Add a demo for changing scroll bar appearance
* Add setting for ScrollBarVisibility in demo
* Add `#[inline]` to a `ScrollArea` builder methods
* Refactor how scroll bar show/hide is computed
* Add support for floating scroll bars
* Tweak color and opacity of the scroll handle
* Allow allocating a fixed size even for floating scroll bars
* Add three pre-sets of scroll bars: solid, thin, floating
* Use floating scroll bars as the default
* Fix id-clash with bidir scroll areas
* Improve demo
* Fix doclink
* Remove reset button from demo
* Fix doclinks
* Fix visual artifact with thin rounded rectangles
* Fix doclink
* typos
Onè
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