David Heinemeier HanssonandClaude Opus 5.5
48de7823da
The menu, emoji picker, clipboard, OSD, reminder flow and Wi-Fi QR code mapped a fresh surface on every open. Qt drew its first frames before Hyprland sent the surface's fractional scale: the pixel ratio stepped 2, 1, then 1.6, so on a 1.6 display each overlay showed blurry for ~350ms before going sharp. A new OverlayWindow keeps the surface. Hidden, it parks as a 1x1, input-less layer below windows, off the overlay layer so it never blocks direct scanout. Showing only resizes and raises it, so the scale is already settled. Content stays hidden until the surface has grown, so no 1x1 frame is stretched across the screen, and the window follows the focused monitor each time it is shown. The image picker's own fullscreen parking moves onto it too. Each parked overlay keeps a Qt window alive: at rest the shell holds ~40 MiB more RSS and ~20 MiB more GPU memory. Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
57 lines
2.1 KiB
QML
57 lines
2.1 KiB
QML
import QtQuick
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import Quickshell
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import Quickshell.Hyprland
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import Quickshell.Wayland
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// A fullscreen overlay whose surface outlives each open. A fresh surface draws
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// its first frames before the compositor sends its fractional scale, so an
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// overlay mapped per open flashed blurry until the scale arrived. Closed, the
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// surface parks as a 1x1, input-less, content-less layer below windows: small
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// enough to cost nothing, off the overlay layer so it never blocks direct
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// scanout for fullscreen apps. Opening only resizes and raises it.
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PanelWindow {
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id: window
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// Whether the overlay is showing. Drive this instead of visible.
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property bool shown: false
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property int shownLayer: WlrLayer.Overlay
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property int shownKeyboardFocus: WlrKeyboardFocus.Exclusive
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// The surface no longer lands on the focused output by being mapped there,
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// so it follows the focused monitor each time it is shown. Unset until the
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// first show lets the compositor choose.
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property var targetScreen: null
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property Region emptyRegion: Region {}
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function focusedScreen() {
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var monitor = Hyprland.focusedMonitor
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var name = monitor ? String(monitor.name || "") : ""
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for (var i = 0; i < Quickshell.screens.length; i++) {
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if (Quickshell.screens[i].name === name) return Quickshell.screens[i]
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}
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return null
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}
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onShownChanged: if (shown) targetScreen = focusedScreen() || targetScreen
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visible: true
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screen: targetScreen
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anchors { top: true; left: true; bottom: shown; right: shown }
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implicitWidth: 1
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implicitHeight: 1
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mask: shown ? null : emptyRegion
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color: "transparent"
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exclusionMode: ExclusionMode.Ignore
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WlrLayershell.layer: shown ? shownLayer : WlrLayer.Bottom
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WlrLayershell.keyboardFocus: shown ? shownKeyboardFocus : WlrKeyboardFocus.None
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// Draw nothing until the surface has actually grown. A frame drawn while it
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// is still 1x1 holds only the scrim's color, which the compositor would
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// stretch across the whole screen until the fullscreen frame arrives.
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Binding {
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target: window.contentItem
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property: "visible"
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value: window.shown && window.width > 1 && window.height > 1
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}
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}
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