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do not check for focus until cursor position has been set (#1070)

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do not check for focus until cursor position has been set
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François 2020-12-23 23:10:39 +01:00 committed by GitHub
parent 61ce3f7bcf
commit 09c15ea890
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 14 deletions
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26
crates/bevy_ui/src/focus.rs
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@ -1,11 +1,9 @@
use crate::Node;
use bevy_app::{EventReader, Events};
use bevy_core::FloatOrd;
use bevy_ecs::prelude::*;
use bevy_input::{mouse::MouseButton, touch::Touches, Input};
use bevy_math::Vec2;
use bevy_transform::components::GlobalTransform;
use bevy_window::CursorMoved;
use bevy_window::Windows;
#[derive(Copy, Clone, Eq, PartialEq, Debug)]
pub enum Interaction {
@ -34,15 +32,13 @@ impl Default for FocusPolicy {
#[derive(Default)]
pub struct State {
cursor_moved_event_reader: EventReader<CursorMoved>,
cursor_position: Vec2,
hovered_entity: Option<Entity>,
}
pub fn ui_focus_system(
mut state: Local<State>,
windows: Res<Windows>,
mouse_button_input: Res<Input<MouseButton>>,
cursor_moved_events: Res<Events<CursorMoved>>,
touches_input: Res<Touches>,
mut node_query: Query<(
Entity,
@ -52,12 +48,14 @@ pub fn ui_focus_system(
Option<&FocusPolicy>,
)>,
) {
if let Some(cursor_moved) = state.cursor_moved_event_reader.latest(&cursor_moved_events) {
state.cursor_position = cursor_moved.position;
}
if let Some(touch) = touches_input.get_pressed(0) {
state.cursor_position = touch.position();
}
let cursor_position = if let Some(cursor_position) = windows
.get_primary()
.and_then(|window| window.cursor_position())
{
cursor_position
} else {
return;
};
if mouse_button_input.just_released(MouseButton::Left) || touches_input.just_released(0) {
for (_entity, _node, _global_transform, interaction, _focus_policy) in node_query.iter_mut()
@ -85,8 +83,8 @@ pub fn ui_focus_system(
let min = ui_position - extents;
let max = ui_position + extents;
// if the current cursor position is within the bounds of the node, consider it for clicking
if (min.x..max.x).contains(&state.cursor_position.x)
&& (min.y..max.y).contains(&state.cursor_position.y)
if (min.x..max.x).contains(&cursor_position.x)
&& (min.y..max.y).contains(&cursor_position.y)
{
Some((entity, focus_policy, interaction, FloatOrd(position.z)))
} else {