Brought WebGPU demo into same structure as Glium demo

implot-examples/implot-glium-demo/src/main.rs

@@ -0,0 +1,40 @@
+use examples_shared;
+use imgui::{im_str, Condition, Window};
+use implot::Context;
+
+// the actual implot samples are in there TODO(4bb4) move to using examples-shared instead
+mod support;
+
+fn main() {
+    let system = support::init(file!());
+    let mut showing_demo = false;
+    let mut showing_rust_demo = true;
+    let plotcontext = Context::create();
+    system.main_loop(move |_, ui| {
+        // The context is moved into the closure after creation so plot_ui is valid.
+        let plot_ui = plotcontext.get_plot_ui();
+
+        if showing_demo {
+            implot::show_demo_window(&mut showing_demo);
+        }
+
+        if showing_rust_demo {
+            examples_shared::show_demos(ui, &plot_ui);
+        }
+
+        Window::new(im_str!("Welcome to the ImPlot-rs demo!"))
+            .size([430.0, 450.0], Condition::FirstUseEver)
+            .build(ui, || {
+                ui.checkbox(im_str!("Show C++ ImPlot demo window"), &mut showing_demo);
+                ui.checkbox(
+                    im_str!("Show Rust ImPlot demo windows"),
+                    &mut showing_rust_demo,
+                );
+                // TODO(4bb4) ... move windows by default so this is less confusing
+                ui.text_wrapped(im_str!(
+                    "Note that the windows are stacked, so move this one out of the way to see\
+                     the ones beneath it."
+                ));
+            });
+    });
+}

implot-examples/implot-glium-demo/src/support/mod.rs

@@ -19,8 +19,8 @@ pub struct System {
     pub event_loop: EventLoop<()>,
     pub display: glium::Display,
     pub imgui: Context,
-    pub platform: WinitPlatform,
     pub renderer: Renderer,
+    pub platform: WinitPlatform,
     pub font_size: f32,
 }