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Fix OSD positioning on rotated displays #181

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Merged
ErikReider merged 1 commit into from
Nov 21, 2025
Merged

Fix OSD positioning on rotated displays #181

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13 changes: 8 additions & 5 deletions src/server/osd_window.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,8 @@ impl SwayosdWindow {

window.set_exclusive_zone(-1);
window.set_layer(gtk_layer_shell::Layer::Overlay);
window.set_anchor(gtk_layer_shell::Edge::Top, true);
// Anchor to bottom edge for better reliability with rotated/transformed displays
window.set_anchor(gtk_layer_shell::Edge::Bottom, true);

// Set up the widgets
window.set_width_request(250);
Expand All @@ -67,10 +68,12 @@ impl SwayosdWindow {
// Monitor scale factor is not always correct
// Transform monitor height into coordinate system of window
let mon_height = monitor.geometry().height() / window.scale_factor();
// Calculate new margin
let bottom = mon_height - window.allocated_height();
let margin = (bottom as f32 * get_top_margin()).round() as i32;
window.set_margin(gtk_layer_shell::Edge::Top, margin);
// Calculate margin from bottom while preserving top_margin semantics:
// top_margin=0.85 means window should be at 85% from top, which equals
// 15% from bottom. By anchoring to bottom, we avoid issues with
// window.allocated_height() being 0 or incorrect during initialization.
let margin = (mon_height as f32 * (1.0 - get_top_margin())).round() as i32;
window.set_margin(gtk_layer_shell::Edge::Bottom, margin);
};

// Set the window margin
Expand Down