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rustdoc: fix resize trouble with mobile

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This commit is contained in:
Michael Howell 2023-10-11 12:15:33 -07:00
parent 77fa09d9a1
commit fd9f1a7148
2 changed files with 8 additions and 0 deletions
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4
src/librustdoc/html/static/js/main.js
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@ -1305,6 +1305,7 @@ href="https://doc.rust-lang.org/${channel}/rustdoc/how-to-read-rustdoc.html\
// at most 400px. Otherwise, it would start out at the default size, then
// grabbing the resize handle would suddenly cause it to jank to
// its contraint-generated maximum.
const RUSTDOC_MOBILE_BREAKPOINT = 700;
const BODY_MIN = 400;
// At half-way past the minimum size, vanish the sidebar entirely
const SIDEBAR_VANISH_THRESHOLD = SIDEBAR_MIN / 2;
@ -1474,6 +1475,9 @@ href="https://doc.rust-lang.org/${channel}/rustdoc/how-to-read-rustdoc.html\
}
// Respond to the window resize event.
window.addEventListener("resize", () => {
if (window.innerWidth < RUSTDOC_MOBILE_BREAKPOINT) {
return;
}
stopResize();
if (desiredSidebarSize >= (window.innerWidth - BODY_MIN)) {
changeSidebarSize(window.innerWidth - BODY_MIN);

4
tests/rustdoc-gui/sidebar-resize-window.goml
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@ -18,6 +18,10 @@ wait-for-property: (".sidebar", {"clientWidth": 500}, [NEAR])
// make the window small enough that the sidebar has to shrink
set-window-size: (750, 600)
wait-for-property: (".sidebar", {"clientWidth": 350}, [NEAR])
assert-local-storage: {"rustdoc-desktop-sidebar-width": "350"}
set-window-size: (400, 600)
wait-for-css: (".sidebar", {"display": "block", "left": "-1000px"})
assert-local-storage: {"rustdoc-desktop-sidebar-width": "350"}
// grow the window again to make the sidebar bigger
set-window-size: (1280, 600)