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[Merged by Bors] - Added multi windows check for bevy_ui Interaction. #5225

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[Merged by Bors] - Added multi windows check for bevy_ui Interaction. #5225

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2a6aac0
Added multi windows check for bevy_ui `Interaction`.
farend-east Jul 6, 2022
6bfa8f8
bevy_ui `Interaction` focus system for focused window
farend-east Jul 6, 2022
5b92198
Small refactor to bevy_ui focus system
farend-east Jul 6, 2022
2a13465
bevy_ui refactor focus system
farend-east Jul 6, 2022
393eae3
Merge branch 'bevyengine:main' into multiple-window-ui-interaction
farend-east Jul 8, 2022
c435089
Rename `CameraUi` to `UiCameraConfig`
farend-east Jul 8, 2022
cc7482b
Merge branch 'bevyengine:main' into multiple-window-ui-interaction
farend-east Jul 8, 2022
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31 changes: 27 additions & 4 deletions crates/bevy_ui/src/focus.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
use crate::{CalculatedClip, Node};
use crate::{entity::CameraUi, CalculatedClip, Node};
use bevy_ecs::{
entity::Entity,
prelude::Component,
Expand All @@ -8,6 +8,7 @@ use bevy_ecs::{
use bevy_input::{mouse::MouseButton, touch::Touches, Input};
use bevy_math::Vec2;
use bevy_reflect::{Reflect, ReflectDeserialize, ReflectSerialize};
use bevy_render::camera::{Camera, RenderTarget};
use bevy_transform::components::GlobalTransform;
use bevy_utils::FloatOrd;
use bevy_window::Windows;
Expand Down Expand Up @@ -52,6 +53,7 @@ pub struct State {
/// The system that sets Interaction for all UI elements based on the mouse cursor activity
pub fn ui_focus_system(
mut state: Local<State>,
camera: Query<(&Camera, Option<&CameraUi>)>,
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windows: Res<Windows>,
mouse_button_input: Res<Input<MouseButton>>,
touches_input: Res<Touches>,
Expand Down Expand Up @@ -88,9 +90,30 @@ pub fn ui_focus_system(
let mouse_clicked =
mouse_button_input.just_pressed(MouseButton::Left) || touches_input.any_just_pressed();

let cursor_position = windows
.get_primary()
.and_then(|window| window.cursor_position())
let cursor_position = camera
.iter()
.find_map(|(camera, camera_ui)| {
// Disabled UI camera should be ignored
if let Some(&CameraUi {
is_enabled: false, ..
}) = camera_ui
{
return None;
}
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@nicopap nicopap Jul 6, 2022 •
edited
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With the change suggested on the query parameter, you can replace this with if !camera_ui.is_enabled.

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The user are able to add in any camera without this component.


match camera.target {
RenderTarget::Window(window_id) => {
// Get the cursor position from the currently focused window with camera
if let Some(window) = windows.get(window_id) {
if window.is_focused() {
return window.cursor_position();
}
}
None
}
_ => None,
}
})
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.or_else(|| touches_input.first_pressed_position());

let mut moused_over_z_sorted_nodes = node_query
Expand Down