feat(ui): add new-thread backgrounds, composer handoff, and UI polish

Cargo.toml

@@ -64,15 +64,16 @@ loro-protocol = "0.3"
 # stopped vending CABackdropLayer for Selection — window blur went dead);
 # b68970e rasterizes BackdropBlur in the wgpu renderer (frosted floats on
 # Linux — the Metal path's snapshot/blur/composite, ported).
-gpui = { git = "https://github.com/zeronsh/zui", rev = "07fd941ad72e7edc812fed317aab66adb69fa8cc" }
-gpui_platform = { git = "https://github.com/zeronsh/zui", rev = "07fd941ad72e7edc812fed317aab66adb69fa8cc", features = [
+# Paint-time rounded image masks (zeronsh/zui#9).
+gpui = { git = "https://github.com/zeronsh/zui", rev = "aa009411c2dbfb39556bff1b1febed0512fdf609" }
+gpui_platform = { git = "https://github.com/zeronsh/zui", rev = "aa009411c2dbfb39556bff1b1febed0512fdf609", features = [
     "wayland",
     "x11",
     "font-kit",
     "runtime_shaders",
 ] }
-gpui_tokio = { git = "https://github.com/zeronsh/zui", rev = "07fd941ad72e7edc812fed317aab66adb69fa8cc" }
-gpui-base = { git = "https://github.com/zeronsh/gpui-component", rev = "8c3af053189209db83b92b64aaa5cbcbedd9b72f" }
+gpui_tokio = { git = "https://github.com/zeronsh/zui", rev = "aa009411c2dbfb39556bff1b1febed0512fdf609" }
+gpui-base = { git = "https://github.com/zeronsh/gpui-component", rev = "94c1bbaf6311b9f36f5e7438aaf5aeadd38740da" }
 
 # diffs
 similar = "2"

crates/ui/examples/browser-fixture.rs

@@ -353,11 +353,13 @@ fn main() -> anyhow::Result<()> {
                     let (left,top)=first.read_with(cx,|b,_|b.fixture_origin());
                     // Real resize-handle drag, including crossing into the native page.
                     eprintln!("Browser fixture: starting resize drag");
-                    // Both halves must reach GPUI before a drag exists.
-                    for offset in [-6., -2., 0., 3., 4.5] {
+                    // The 20px shell target overlaps the native browser by 9px
+                    // after its one-point panel border. That full overlap must
+                    // reach GPUI, while content beyond it stays native.
+                    for offset in [-6., -2., 0., 3., 6., 8.5] {
                         anyhow::ensure!(!first.read_with(cx,|b,_|b.fixture_page_hit((left+offset) as f64,(top+120.) as f64)),"native page stole the resize target at offset {offset}");
                     }
-                    anyhow::ensure!(first.read_with(cx,|b,_|b.fixture_page_hit((left+6.) as f64,(top+120.) as f64)),"resize target blocked adjacent page content");
+                    anyhow::ensure!(first.read_with(cx,|b,_|b.fixture_page_hit((left+10.) as f64,(top+120.) as f64)),"resize target blocked adjacent page content");
                     let start=gpui::point(px(left+3.),px(top+120.));
                     gpui::AnyWindowHandle::from(window).update(cx,|_,w,cx| {w.dispatch_event(gpui::PlatformInput::MouseDown(gpui::MouseDownEvent{position:start,button:gpui::MouseButton::Left,click_count:1,..Default::default()}),cx);})?;
                     let mut widths=Vec::new();