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Bare-bones test window sample
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Gekkio committed Aug 17, 2015
1 parent ff2ddf0 commit 0c916b6
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Showing 3 changed files with 77 additions and 2 deletions.
5 changes: 3 additions & 2 deletions .gitignore
@@ -1,4 +1,5 @@
*~
*.swp
/target
/Cargo.lock
target
Cargo.lock
imgui.ini
12 changes: 12 additions & 0 deletions examples/test_window/Cargo.toml
@@ -0,0 +1,12 @@
[package]
name = "test_window"
version = "0.0.0"
authors = ["Joonas Javanainen <joonas.javanainen@gmail.com>"]

[dependencies]
glium = "0.8"
time = "0.1"

[dependencies.imgui-rs]
path = "../../"
features = ["glium"]
62 changes: 62 additions & 0 deletions examples/test_window/src/main.rs
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#[macro_use]
extern crate glium;
extern crate imgui;
extern crate time;

use glium::DisplayBuild;
use glium::Surface;
use glium::glutin;
use glium::glutin::{ElementState, Event, MouseButton, VirtualKeyCode};
use imgui::ImGui;
use imgui::glium_renderer::Renderer;
use time::SteadyTime;

fn main() {

let display = glutin::WindowBuilder::new()
.build_glium()
.unwrap();

let mut imgui = ImGui::init();
let mut renderer = Renderer::init(&mut imgui, &display).unwrap();

let mut last_frame = SteadyTime::now();
let mut mouse_pos = (0, 0);
let mut mouse_pressed = (false, false, false);

'main: loop {
let now = SteadyTime::now();
let delta = now - last_frame;
let delta_f = delta.num_nanoseconds().unwrap() as f32 / 1_000_000_000.0;
last_frame = now;

imgui.set_mouse_pos(mouse_pos.0 as f32, mouse_pos.1 as f32);
imgui.set_mouse_down(&[mouse_pressed.0, mouse_pressed.1, mouse_pressed.2, false, false]);

let mut target = display.draw();
target.clear_color(1.0, 1.0, 1.0, 1.0);

let (width, height) = target.get_dimensions();
let mut frame = imgui.frame(width, height, delta_f);
frame.show_test_window();
renderer.render(&mut target, frame).unwrap();

target.finish().unwrap();

for event in display.poll_events() {
match event {
Event::Closed |
Event::KeyboardInput(ElementState::Pressed, _, Some(VirtualKeyCode::Escape))
=> break 'main,
Event::MouseMoved(pos) => mouse_pos = pos,
Event::MouseInput(state, MouseButton::Left) =>
mouse_pressed.0 = state == ElementState::Pressed,
Event::MouseInput(state, MouseButton::Right) =>
mouse_pressed.1 = state == ElementState::Pressed,
Event::MouseInput(state, MouseButton::Middle) =>
mouse_pressed.2 = state == ElementState::Pressed,
_ => ()
}
}
}
}

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