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Add OS file drop event handler

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Kirill Bulatov 2023-10-24 19:24:21 +02:00
parent 5b04f965fa
commit a01b507ef4
9 changed files with 141 additions and 85 deletions
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84
crates/gpui2/src/window.rs
View file

@ -1,13 +1,14 @@
use crate::{
px, size, Action, AnyBox, AnyView, AppContext, AsyncWindowContext, AvailableSpace, Bounds,
BoxShadow, Context, Corners, DevicePixels, DispatchContext, DisplayId, Edges, Effect, Element,
EntityId, EventEmitter, FileDropEvent, FocusEvent, FontId, GlobalElementId, GlyphId, Handle,
Hsla, ImageData, InputEvent, IsZero, KeyListener, KeyMatch, KeyMatcher, Keystroke, LayoutId,
MainThread, MainThreadOnly, MonochromeSprite, MouseMoveEvent, MouseUpEvent, Path, Pixels,
PlatformAtlas, PlatformWindow, Point, PolychromeSprite, Quad, Reference, RenderGlyphParams,
RenderImageParams, RenderSvgParams, ScaledPixels, SceneBuilder, Shadow, SharedString, Size,
Style, Subscription, TaffyLayoutEngine, Task, Underline, UnderlineStyle, WeakHandle,
WindowOptions, SUBPIXEL_VARIANTS,
px, size, Action, AnyBox, AnyDrag, AnyView, AppContext, AsyncWindowContext, AvailableSpace,
Bounds, BoxShadow, Context, Corners, DevicePixels, DispatchContext, DisplayId, DroppedFiles,
Edges, Effect, Element, EntityId, EventEmitter, FileDropEvent, FocusEvent, FontId,
GlobalElementId, GlyphId, Handle, Hsla, ImageData, InputEvent, IsZero, KeyListener, KeyMatch,
KeyMatcher, Keystroke, LayoutId, MainThread, MainThreadOnly, Modifiers, MonochromeSprite,
MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, Path, Pixels, PlatformAtlas,
PlatformWindow, Point, PolychromeSprite, Quad, Reference, RenderGlyphParams, RenderImageParams,
RenderSvgParams, ScaledPixels, SceneBuilder, Shadow, SharedString, Size, Style, Subscription,
TaffyLayoutEngine, Task, Underline, UnderlineStyle, WeakHandle, WindowOptions,
SUBPIXEL_VARIANTS,
};
use anyhow::Result;
use collections::HashMap;
@ -816,7 +817,9 @@ impl<'a, 'w> WindowContext<'a, 'w> {
cx.with_element_offset(Some(offset), |cx| {
let available_space =
size(AvailableSpace::MinContent, AvailableSpace::MinContent);
draw_any_view(&mut active_drag.drag_handle_view, available_space, cx);
if let Some(drag_handle_view) = &mut active_drag.drag_handle_view {
draw_any_view(drag_handle_view, available_space, cx);
}
cx.active_drag = Some(active_drag);
});
});
@ -889,27 +892,48 @@ impl<'a, 'w> WindowContext<'a, 'w> {
}
fn dispatch_event(&mut self, event: InputEvent) -> bool {
let event = match event {
InputEvent::MouseMove(mouse_move) => {
self.window.mouse_position = mouse_move.position;
InputEvent::MouseMove(mouse_move)
}
InputEvent::FileDrop(file_drop) => match file_drop {
FileDropEvent::Entered { position, files } => {
self.active_drag.get_or_insert_with(|| AnyDrag {
drag_handle_view: None,
cursor_offset: position,
state: Box::new(files),
state_type: TypeId::of::<DroppedFiles>(),
});
InputEvent::MouseDown(MouseDownEvent {
position,
button: MouseButton::Left,
click_count: 1,
modifiers: Modifiers::default(),
})
}
FileDropEvent::Pending { position } => InputEvent::MouseMove(MouseMoveEvent {
position,
pressed_button: Some(MouseButton::Left),
modifiers: Modifiers::default(),
}),
FileDropEvent::Submit { position } => InputEvent::MouseUp(MouseUpEvent {
button: MouseButton::Left,
position,
modifiers: Modifiers::default(),
click_count: 1,
}),
FileDropEvent::Exited => InputEvent::MouseUp(MouseUpEvent {
button: MouseButton::Left,
position: Point::default(),
modifiers: Modifiers::default(),
click_count: 1,
}),
},
_ => event,
};
if let Some(any_mouse_event) = event.mouse_event() {
if let Some(MouseMoveEvent { position, .. }) = any_mouse_event.downcast_ref() {
self.window.mouse_position = *position;
}
match any_mouse_event.downcast_ref() {
Some(FileDropEvent::Pending { position }) => {
dbg!("FileDropEvent::Pending", position);
return true;
}
Some(FileDropEvent::Submit { position, paths }) => {
dbg!("FileDropEvent::Submit", position, paths);
return true;
}
Some(FileDropEvent::End) => {
self.active_drag = None;
return true;
}
_ => {}
}
// Handlers may set this to false by calling `stop_propagation`
self.app.propagate_event = true;
self.window.default_prevented = false;