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Implement an InputHandler trait for gpui2

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Co-Authored-By: Marshall <marshall@zed.dev>
Co-Authored-By: Max <max@zed.dev>
Co-Authored-By: Julia <julia@zed.dev>
This commit is contained in:
Conrad Irwin 2023-11-07 16:30:04 -07:00
parent 9cdfce4956
commit b2ae08b159
6 changed files with 315 additions and 195 deletions
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28
crates/gpui2/src/window.rs
View file

@ -2,13 +2,14 @@ use crate::{
px, size, Action, AnyBox, AnyDrag, AnyView, AppContext, AsyncWindowContext, AvailableSpace,
Bounds, BoxShadow, Context, Corners, CursorStyle, DevicePixels, DispatchContext, DisplayId,
Edges, Effect, Entity, EntityId, EventEmitter, FileDropEvent, FocusEvent, FontId,
GlobalElementId, GlyphId, Hsla, ImageData, InputEvent, IsZero, KeyListener, KeyMatch,
KeyMatcher, Keystroke, LayoutId, Model, ModelContext, Modifiers, MonochromeSprite, MouseButton,
MouseDownEvent, MouseMoveEvent, MouseUpEvent, Path, Pixels, PlatformAtlas, PlatformDisplay,
PlatformWindow, Point, PolychromeSprite, PromptLevel, Quad, Render, RenderGlyphParams,
RenderImageParams, RenderSvgParams, ScaledPixels, SceneBuilder, Shadow, SharedString, Size,
Style, SubscriberSet, Subscription, TaffyLayoutEngine, Task, Underline, UnderlineStyle, View,
VisualContext, WeakView, WindowBounds, WindowOptions, SUBPIXEL_VARIANTS,
GlobalElementId, GlyphId, Hsla, ImageData, InputEvent, InputHandler, IsZero, KeyListener,
KeyMatch, KeyMatcher, Keystroke, LayoutId, Model, ModelContext, Modifiers, MonochromeSprite,
MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, Path, Pixels, PlatformAtlas,
PlatformDisplay, PlatformInputHandler, PlatformWindow, Point, PolychromeSprite, PromptLevel,
Quad, Render, RenderGlyphParams, RenderImageParams, RenderSvgParams, ScaledPixels,
SceneBuilder, Shadow, SharedString, Size, Style, SubscriberSet, Subscription,
TaffyLayoutEngine, Task, Underline, UnderlineStyle, View, VisualContext, WeakView,
WindowBounds, WindowInputHandler, WindowOptions, SUBPIXEL_VARIANTS,
};
use anyhow::{anyhow, Result};
use collections::HashMap;
@ -191,6 +192,7 @@ pub struct Window {
default_prevented: bool,
mouse_position: Point<Pixels>,
requested_cursor_style: Option<CursorStyle>,
requested_input_handler: Option<Box<dyn PlatformInputHandler>>,
scale_factor: f32,
bounds: WindowBounds,
bounds_observers: SubscriberSet<(), AnyObserver>,
@ -285,6 +287,7 @@ impl Window {
default_prevented: true,
mouse_position,
requested_cursor_style: None,
requested_input_handler: None,
scale_factor,
bounds,
bounds_observers: SubscriberSet::new(),
@ -676,6 +679,17 @@ impl<'a> WindowContext<'a> {
self.window.requested_cursor_style = Some(style)
}
pub fn set_input_handler<V>(&mut self, handler: WeakView<V>, cx: ViewContext<V>)
where
V: InputHandler + 'static,
{
self.window.requested_input_handler = Some(Box::new(WindowInputHandler {
cx: cx.app.this.clone(),
window: cx.window_handle(),
handler,
}))
}
/// Called during painting to invoke the given closure in a new stacking context. The given
/// z-index is interpreted relative to the previous call to `stack`.
pub fn stack<R>(&mut self, z_index: u32, f: impl FnOnce(&mut Self) -> R) -> R {