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fix: hide sheet viewport border and improve crossing selection

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Two layout-related fixes:

1. Sheet viewport (id=1) was rendered as a grey rectangle border in
   paper-space layouts. It is the paper boundary, not a user viewport,
   and should not appear. Now filtered via is_content_viewport() before
   tessellation. The redundant id==1 color branch is removed.

2. Box crossing-selection (right-to-left drag) only detected wires whose
   vertex points fell inside the selection box. Large entities like viewport
   frames could be visually crossed without any corner inside the box and
   would not be selected. Added segment-box edge intersection tests so any
   wire segment that crosses the selection rectangle boundary is included.

Fixes part of #10

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Hakan Seven 2026-05-01 21:12:14 +03:00
commit ebef467720
2 changed files with 24 additions and 4 deletions
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9
src/scene/mod.rs
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@ -3084,12 +3084,15 @@ fn tessellate_entity(
let sel = selected.contains(&h);
if let EntityType::Viewport(vp) = e {
// The sheet viewport (overall/id=1) is never shown — it represents the
// paper boundary, not a user-defined content window.
if !Scene::is_content_viewport(vp) {
return vec![];
}
let is_active = active_viewport == Some(h);
let is_locked = vp.status.locked;
let color = if sel && vp.id != 1 {
let color = if sel {
[1.0, 1.0, 1.0, 1.0]
} else if vp.id == 1 {
[0.40, 0.40, 0.40, 1.0]
} else if is_active {
[1.0, 0.90, 0.20, 1.0]
} else if is_locked {