Yehowshua/ZIm
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Start dragging project panel entries

Browse source 
Co-Authored-By: Kay Simmons <kay@zed.dev>
This commit is contained in:
Julia 2022-11-07 17:00:01 -05:00
parent 1d6af4cf20
commit 847376a4f5
7 changed files with 142 additions and 71 deletions
Download patch file Download diff file Expand all files Collapse all files

23
crates/drag_and_drop/src/drag_and_drop.rs
View file

@ -3,7 +3,7 @@ use std::{any::Any, rc::Rc};
use collections::HashSet;
use gpui::{
elements::{MouseEventHandler, Overlay},
geometry::vector::Vector2F,
geometry::{rect::RectF, vector::Vector2F},
scene::MouseDrag,
CursorStyle, Element, ElementBox, EventContext, MouseButton, MutableAppContext, RenderContext,
View, WeakViewHandle,
@ -13,6 +13,7 @@ struct State<V: View> {
window_id: usize,
position: Vector2F,
region_offset: Vector2F,
region: RectF,
payload: Rc<dyn Any + 'static>,
render: Rc<dyn Fn(Rc<dyn Any>, &mut RenderContext<V>) -> ElementBox>,
}
@ -23,6 +24,7 @@ impl<V: View> Clone for State<V> {
window_id: self.window_id.clone(),
position: self.position.clone(),
region_offset: self.region_offset.clone(),
region: self.region.clone(),
payload: self.payload.clone(),
render: self.render.clone(),
}
@ -77,15 +79,20 @@ impl<V: View> DragAndDrop<V> {
) {
let window_id = cx.window_id();
cx.update_global::<Self, _, _>(|this, cx| {
let region_offset = if let Some(previous_state) = this.currently_dragged.as_ref() {
previous_state.region_offset
} else {
event.region.origin() - event.prev_mouse_position
};
let (region_offset, region) =
if let Some(previous_state) = this.currently_dragged.as_ref() {
(previous_state.region_offset, previous_state.region)
} else {
(
event.region.origin() - event.prev_mouse_position,
event.region,
)
};
this.currently_dragged = Some(State {
window_id,
region_offset,
region,
position: event.position,
payload,
render: Rc::new(move |payload, cx| {
@ -105,6 +112,7 @@ impl<V: View> DragAndDrop<V> {
window_id,
region_offset,
position,
region,
payload,
render,
}| {
@ -134,6 +142,9 @@ impl<V: View> DragAndDrop<V> {
})
// Don't block hover events or invalidations
.with_hoverable(false)
.constrained()
.with_width(region.width())
.with_height(region.height())
.boxed(),
)
.with_anchor_position(position)