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Added support for linked axes. See comments.

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This commit adds support for linked axes between plots. One can specify
such linked limits using the new `linked_x_axis()` function (and the
variants for the Y axes) by specifying an `Rc<RefCell<ImPlotRange>>`
value, and passing clones of the same `Rc` to other plots.

The values within those `Rc` need to be kept persistent between frames,
hence the way to use this functionality is to keep a clone of the `Rc`
outside the frame-drawing function as part of the application state.

The regular limit setting API is unaffected.
This commit is contained in:
4bb4 2021-05-30 11:45:16 +02:00
parent ad80781f4d
commit 06cc3061c1
5 changed files with 570 additions and 391 deletions
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3
implot-examples/implot-glium-demo/src/main.rs
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@ -8,6 +8,7 @@ fn main() {
let system = support::init(file!());
let mut showing_demo = false;
let mut showing_rust_demo = true;
let mut demo_state = examples_shared::DemoState::new();
let plotcontext = Context::create();
system.main_loop(move |_, ui| {
// The context is moved into the closure after creation so plot_ui is valid.
@ -18,7 +19,7 @@ fn main() {
}
if showing_rust_demo {
examples_shared::show_demos(ui, &plot_ui);
demo_state.show_demos(ui, &plot_ui);
}
Window::new(im_str!("Welcome to the ImPlot-rs demo!"))