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Set integer ruler intervals when zoomed in (#1966)

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* modify interval calculation

* modify progression and add powers of 10

* Some small tweaks

* Prevent the graph view from subdividing below 1

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>
This commit is contained in:
Laith Bahodi
2024-09-09 22:56:37 -07:00
committed by GitHub
co-authored by Keavon Chambers
parent a93dcb2776
commit f17f8ddf61
2 changed files with 31 additions and 14 deletions
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editor/src/messages/portfolio/document/document_message_handler.rs
+16 -1
View File
@@ -796,7 +796,22 @@ impl MessageHandler<DocumentMessage, DocumentMessageData<'_>> for DocumentMessag
let ruler_origin = document_to_viewport.transform_point2(DVec2::ZERO);
let log = ruler_scale.log2();
let ruler_interval: f64 = if log < 0. { 100. * 2_f64.powf(-log.ceil()) } else { 100. / 2_f64.powf(log.ceil()) };
let mut ruler_interval: f64 = if log < 0. { 100. * 2_f64.powf(-log.ceil()) } else { 100. / 2_f64.powf(log.ceil()) };
// When the interval becomes too small, force it to be a whole number, then to powers of 10.
// The progression of intervals is:
// ..., 100, 50, 25, 12.5, 6 (6.25), 4 (3.125), 2 (1.5625), 1, 0.1, 0.01, ...
if ruler_interval < 1. {
ruler_interval = 10_f64.powf(ruler_interval.log10().ceil());
} else if ruler_interval < 12.5 {
// Round to nearest even number
ruler_interval = 2. * (ruler_interval / 2.).round();
}
if self.graph_view_overlay_open {
ruler_interval = ruler_interval.max(1.);
}
let ruler_spacing = ruler_interval * ruler_scale;
responses.add(FrontendMessage::UpdateDocumentRulers {