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feat(cursor): add crosshair options

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Add persistent cursor sizing, pick aperture, color, pointer mode, isometric drafting planes, and SNAPANG-aligned grid behavior.\n\nRefs #413
This commit is contained in:
Hakan Seven committed 2026-08-08 21:32:44 +03:00
1 parent 188ac80b2e
commit 1738f9a79b
25 files changed
+989 -126
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src/app/update/viewport.rs
+76 -22
View File
@@ -4,7 +4,7 @@
use super::util::*;
use super::{format_size, VIEWCUBE_HIT_SIZE};
use crate::app::helpers::{
axis_lock_apply, axis_lock_capture, ortho_constrain, parse_coord, polar_constrain_near,
axis_lock_apply, axis_lock_capture, drafting_axes, drafting_constrain, parse_coord, polar_constrain_near,
ucs_rotate_vec, ucs_to_wcs, ucs_z_axis, CoordKind,
};
use crate::app::{Message, OpenCADStudio, POLY_START_DELAY_MS};
@@ -171,6 +171,26 @@ impl OpenCADStudio {
.set_active_tile_grid_snap(grid_on, snap_on);
}
/// Grid origin plus the rotated/isometric axes used by both drawing and snap.
pub(in crate::app) fn drafting_grid_basis(
&self,
i: usize,
) -> (glam::Vec3, (glam::Vec3, glam::Vec3, glam::Vec3)) {
let (origin, rotation) = self.tabs[i].ucs_grid_basis();
let x = rotation.transform_vector3(glam::Vec3::X).as_dvec3();
let y = rotation.transform_vector3(glam::Vec3::Y).as_dvec3();
let z = rotation.transform_vector3(glam::Vec3::Z).as_dvec3();
let (x, y, z) = drafting_axes(
x,
y,
z,
self.isometric_drafting,
self.iso_plane,
self.snap_angle_deg,
);
(origin, (x.as_vec3(), y.as_vec3(), z.as_vec3()))
}
/// Adopt the active viewport's grid *display* into the live toggle. Called
/// on load and whenever the active tab or viewport changes, so the grid
/// drawing follows the active viewport.
@@ -1014,7 +1034,7 @@ impl OpenCADStudio {
// snapping must drop its foot from this point, including when a
// hot-grip set is moved by the same drag vector.
self.snapper.from_point = Some(grip.origin_world.as_vec3());
let (go, gr) = self.tabs[i].ucs_grid_basis();
let (go, gr) = self.drafting_grid_basis(i);
// `raw` is already model space (viewport camera or paper→model),
// and the wires are model space, so the snap result is model.
let snap_hit =
@@ -1044,7 +1064,7 @@ impl OpenCADStudio {
None
};
let (_, ucs_x, ucs_y, _) = self.tabs[i].ucs_xform().axes();
let (_, (ucs_x, ucs_y, _)) = self.drafting_grid_basis(i);
self.snapper.otrack_snap(
raw,
@@ -1054,8 +1074,8 @@ impl OpenCADStudio {
polar_step,
Some(grip.origin_world),
self.ortho_mode,
ucs_x,
ucs_y,
ucs_x.as_dvec3(),
ucs_y.as_dvec3(),
)
} else {
None
@@ -1086,6 +1106,9 @@ impl OpenCADStudio {
self.polar_mode,
self.polar_increment_deg,
&ucs_xf,
self.isometric_drafting,
self.iso_plane,
self.snap_angle_deg,
);
}
} else {
@@ -1099,7 +1122,14 @@ impl OpenCADStudio {
let base = grip.origin_world;
let ucs_xf = self.tabs[i].ucs_xform();
if self.ortho_mode {
snapped = ortho_constrain(snapped, base, &ucs_xf);
snapped = drafting_constrain(
snapped,
base,
&ucs_xf,
self.isometric_drafting,
self.iso_plane,
self.snap_angle_deg,
);
} else if self.polar_mode {
snapped = polar_constrain_near(
snapped,
@@ -1423,7 +1453,7 @@ impl OpenCADStudio {
bounds,
)
} else {
let (go, gr) = self.tabs[i].ucs_grid_basis();
let (go, gr) = self.drafting_grid_basis(i);
// The snapper is a screen-space (f32) engine; the f64
// base only matters for typed-input precision, so hand it
// the downcast point here.
@@ -1472,7 +1502,7 @@ impl OpenCADStudio {
} else {
None
};
let (_, ucs_x, ucs_y, _) = self.tabs[i].ucs_xform().axes();
let (_, (ucs_x, ucs_y, _)) = self.drafting_grid_basis(i);
self.snapper.otrack_snap(
cursor_world,
view_rot,
@@ -1481,8 +1511,8 @@ impl OpenCADStudio {
step,
self.last_point,
self.ortho_mode && !is_window_corner,
ucs_x,
ucs_y,
ucs_x.as_dvec3(),
ucs_y.as_dvec3(),
)
} else {
None
@@ -1545,6 +1575,9 @@ impl OpenCADStudio {
self.polar_mode,
self.polar_increment_deg,
&ucs_xf,
self.isometric_drafting,
self.iso_plane,
self.snap_angle_deg,
);
}
} else if !self.shift_down {
@@ -1568,7 +1601,14 @@ impl OpenCADStudio {
if let Some(base) = self.last_point {
let ucs_xf = self.tabs[i].ucs_xform();
if self.ortho_mode {
pt = ortho_constrain(pt, base, &ucs_xf);
pt = drafting_constrain(
pt,
base,
&ucs_xf,
self.isometric_drafting,
self.iso_plane,
self.snap_angle_deg,
);
} else if self.polar_mode {
pt = polar_constrain_near(
pt,
@@ -1738,6 +1778,7 @@ impl OpenCADStudio {
eye,
bounds,
self.tabs[i].scene.document.header.lineweight_display,
self.pick_box.max(1) as f32,
)
.and_then(|s| Scene::handle_from_wire_name(s))
.or_else(|| {
@@ -2077,7 +2118,7 @@ impl OpenCADStudio {
self.snapper.grid_spacing = grid_spacing;
// No rubber-band origin (perp/extension feet don't apply to a free drag).
self.snapper.from_point = None;
let (go, gr) = self.tabs[i].ucs_grid_basis();
let (go, gr) = self.drafting_grid_basis(i);
let snap_hit = self
.snapper
.snap(raw, p, &snap_candidates, view_rot, eye, bounds, go, gr);
@@ -2740,7 +2781,7 @@ impl OpenCADStudio {
bounds,
)
} else {
let (go, gr) = self.tabs[i].ucs_grid_basis();
let (go, gr) = self.drafting_grid_basis(i);
self.snapper.from_point = self.last_point.map(|p| p.as_vec3());
self.snapper.snap(
snap_cursor,
@@ -2779,7 +2820,7 @@ impl OpenCADStudio {
} else {
None
};
let (_, ucs_x, ucs_y, _) = self.tabs[i].ucs_xform().axes();
let (_, (ucs_x, ucs_y, _)) = self.drafting_grid_basis(i);
self.snapper.otrack_snap(
raw,
view_rot,
@@ -2788,8 +2829,8 @@ impl OpenCADStudio {
step,
self.last_point,
self.ortho_mode && !is_window_corner,
ucs_x,
ucs_y,
ucs_x.as_dvec3(),
ucs_y.as_dvec3(),
)
} else {
None
@@ -2808,7 +2849,14 @@ impl OpenCADStudio {
if let Some(base) = self.last_point {
let ucs_xf = self.tabs[i].ucs_xform();
if self.ortho_mode {
pt = ortho_constrain(pt, base, &ucs_xf);
pt = drafting_constrain(
pt,
base,
&ucs_xf,
self.isometric_drafting,
self.iso_plane,
self.snap_angle_deg,
);
} else if self.polar_mode {
pt = polar_constrain_near(
pt,
@@ -2893,7 +2941,7 @@ impl OpenCADStudio {
view_rot2,
eye2,
bounds,
scene::pick::hit_test::CLICK_THRESHOLD_PX * 2.0,
self.pick_box.max(1) as f32 * 2.0,
);
let include_fills = self.tabs[i]
.active_cmd
@@ -2914,6 +2962,7 @@ impl OpenCADStudio {
eye2,
bounds,
self.tabs[i].scene.document.header.lineweight_display,
self.pick_box.max(1) as f32,
)
.and_then(|s| Scene::handle_from_wire_name(s))
.or_else(|| {
@@ -3442,7 +3491,7 @@ impl OpenCADStudio {
view_rot,
eye,
bounds,
scene::pick::hit_test::CLICK_THRESHOLD_PX * 2.0,
self.pick_box.max(1) as f32 * 2.0,
);
let candidate_handles = self.tabs[i]
.scene
@@ -3462,6 +3511,7 @@ impl OpenCADStudio {
eye,
bounds,
self.tabs[i].scene.document.header.lineweight_display,
self.pick_box.max(1) as f32,
)
.into_iter()
.filter_map(|s| Scene::handle_from_wire_name(s))
@@ -3483,6 +3533,7 @@ impl OpenCADStudio {
eye,
bounds,
self.tabs[i].scene.document.header.lineweight_display,
self.pick_box.max(1) as f32,
)
.and_then(|s| Scene::handle_from_wire_name(s))
.or_else(|| {
@@ -3824,7 +3875,7 @@ impl OpenCADStudio {
view_rot,
eye,
bounds,
scene::pick::hit_test::CLICK_THRESHOLD_PX * 2.0,
self.pick_box.max(1) as f32 * 2.0,
);
let candidate_handles = self.tabs[i]
.scene
@@ -3839,6 +3890,7 @@ impl OpenCADStudio {
eye,
bounds,
self.tabs[i].scene.document.header.lineweight_display,
self.pick_box.max(1) as f32,
)
.and_then(|s| Scene::handle_from_wire_name(s))
.or_else(|| {
@@ -3943,7 +3995,7 @@ impl OpenCADStudio {
view_rot,
eye,
bounds,
scene::pick::hit_test::CLICK_THRESHOLD_PX * 2.0,
self.pick_box.max(1) as f32 * 2.0,
);
scene::pick::hit_test::click_hit(
p,
@@ -3952,6 +4004,7 @@ impl OpenCADStudio {
eye,
bounds,
self.tabs[i].scene.document.header.lineweight_display,
self.pick_box.max(1) as f32,
)
.and_then(|s| Scene::handle_from_wire_name(s))
.and_then(|h| {
@@ -4357,7 +4410,7 @@ impl OpenCADStudio {
view_rot,
eye,
bounds,
scene::pick::hit_test::CLICK_THRESHOLD_PX * 2.0,
self.pick_box.max(1) as f32 * 2.0,
);
let candidate_ms = candidate_started.elapsed().as_secs_f64() * 1000.0;
let candidate_count = hover_candidates.len();
@@ -4377,6 +4430,7 @@ impl OpenCADStudio {
eye,
bounds,
self.tabs[i].scene.document.header.lineweight_display,
self.pick_box.max(1) as f32,
)
.and_then(Scene::handle_from_wire_name);
let wire_ms = wire_started.elapsed().as_secs_f64() * 1000.0;