feat(grid): the coloured grid axis lines can be turned off (#1815)

Drafting Settings > Snap and Grid gains "Display grid axis lines",
kept with the other grid settings; the grid itself stays as it is.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

locales/ar-SA/opencadstudio.ftl

@@ -2136,6 +2136,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/bg-BG/opencadstudio.ftl

@@ -2123,6 +2123,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/cs-CZ/opencadstudio.ftl

@@ -2123,6 +2123,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/de-DE/opencadstudio.ftl

@@ -2124,6 +2124,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/el-GR/opencadstudio.ftl

@@ -2123,6 +2123,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/en-US/opencadstudio.ftl

@@ -2124,6 +2124,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/es-ES/opencadstudio.ftl

@@ -2124,6 +2124,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/fi-FI/opencadstudio.ftl

@@ -2123,6 +2123,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/fr-FR/opencadstudio.ftl

@@ -2124,6 +2124,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/hi-IN/opencadstudio.ftl

@@ -2112,6 +2112,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/hu-HU/opencadstudio.ftl

@@ -2130,6 +2130,7 @@ common =
     .display-selection-cycling-list-box = Kijelölésváltó lista megjelenítése
     .display-coordinate-input-near-crosshairs = Koordinátabevitel megjelenítése a szálkeresztnél
     .display-grid-beyond-limits = Rács megjelenítése a rajzhatárokon túl
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Kiválasztható objektumok listája kattintáskor
     .distance-and-angle-tolerances-must-be-non-negative-numbers = A távolság- és szögtűrések nemnegatív számok legyenek.
     .distance1-distance2 = 1. távolság = __ocs_fmt_0__, 2. távolság = __ocs_fmt_1__

locales/it-IT/opencadstudio.ftl

@@ -2123,6 +2123,7 @@ common =
     .display-selection-cycling-list-box = Mostra box elenco per la selezione ciclica
     .display-coordinate-input-near-crosshairs = Mostra le coordinate vicino al mirino
     .display-grid-beyond-limits = Mostra griglia oltre ai limiti
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distanze e tolleranze degli angoli non possono essere numeri negativi.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/ja-JP/opencadstudio.ftl

@@ -2114,6 +2114,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/ko-KR/opencadstudio.ftl

@@ -2123,6 +2123,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/lo-LA/opencadstudio.ftl

@@ -2124,6 +2124,7 @@ common =
     .display-selection-cycling-list-box = ສະແດງກ່ອງລາຍການເລືອກແບບວຽນຮອບ
     .display-coordinate-input-near-crosshairs = ສະແດງຊ່ອງປ້ອນພິກັດໃກ້ເສັ້ນກາກະບາດ
     .display-grid-beyond-limits = ສະແດງເສັ້ນຕາຕະລາງເກີນຂອບເຂດ (Limits)
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = ສະແດງກ່ອງລາຍການຕົວເລືອກທີ່ອາດຈະເລືອກເມື່ອກົດຄລິກ
     .distance-and-angle-tolerances-must-be-non-negative-numbers = ຄ່າຄວາມຄາດເຄື່ອນຂອງໄລຍະຫ່າງ ແລະ ມຸມ ຕ້ອງບໍ່ເປັນຄ່າລົບ.
     .distance1-distance2 = ໄລຍະຫ່າງ1 = __ocs_fmt_0__, ໄລຍະຫ່າງ2 = __ocs_fmt_1__

locales/nl-NL/opencadstudio.ftl

@@ -2124,6 +2124,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/pl-PL/opencadstudio.ftl

@@ -2123,6 +2123,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/pt-BR/opencadstudio.ftl

@@ -2124,6 +2124,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/ru-RU/opencadstudio.ftl

@@ -2127,6 +2127,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/tr-TR/opencadstudio.ftl

@@ -2108,6 +2108,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/zh-CN/opencadstudio.ftl

@@ -2111,6 +2111,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

locales/zh-TW/opencadstudio.ftl

@@ -2123,6 +2123,7 @@ common =
     .display-selection-cycling-list-box = Display Selection Cycling List Box
     .display-coordinate-input-near-crosshairs = Display coordinate input near crosshairs
     .display-grid-beyond-limits = Display grid beyond Limits
+    .display-grid-axis-lines = Display grid axis lines
     .display-selection-candidate-list-box-on-click = Display selection candidate list box on click
     .distance-and-angle-tolerances-must-be-non-negative-numbers = Distance and angle tolerances must be non-negative numbers.
     .distance1-distance2 = Distance1 = __ocs_fmt_0__, Distance2 = __ocs_fmt_1__

src/app/drafting_settings.rs

@@ -25,6 +25,7 @@ impl DraftingSettingsState {
             grid_major_input: format!("{}", app.grid_major_every),
             grid_adaptive: app.grid_adaptive,
             grid_beyond_limits: app.grid_beyond_limits,
+            grid_axes: app.grid_axes,
             isometric: app.isometric_drafting,
             iso_plane: app.iso_plane,
             snap_angle_deg: app.snap_angle_deg,
@@ -99,6 +100,7 @@ impl OpenCADStudio {
         self.grid_major_every = gm;
         self.grid_adaptive = state.grid_adaptive;
         self.grid_beyond_limits = state.grid_beyond_limits;
+        self.grid_axes = state.grid_axes;
         self.snapper.grid_snap_on = state.snap_on;
         self.snapper.snap_spacing_x = sx;
         self.snapper.snap_spacing_y = sy;
@@ -151,6 +153,7 @@ mod tests {
             grid_major_input: "5".to_string(),
             grid_adaptive: true,
             grid_beyond_limits: true,
+            grid_axes: true,
             isometric: false,
             iso_plane: crate::app::settings::IsoPlane::Left,
             snap_angle_deg: 0.0,
@@ -193,6 +196,7 @@ mod tests {
             grid_major_input: "5".to_string(),
             grid_adaptive: true,
             grid_beyond_limits: true,
+            grid_axes: true,
             isometric: false,
             iso_plane: crate::app::settings::IsoPlane::Left,
             snap_angle_deg: 0.0,

src/app/mod.rs

@@ -756,6 +756,8 @@ pub(super) struct OpenCADStudio {
     pub grid_adaptive: bool,
     /// Display the grid beyond LIMITS (infinite) instead of clipping to them.
     pub grid_beyond_limits: bool,
+    /// Draw the coloured X/Y axis lines through the grid origin.
+    pub grid_axes: bool,
     /// Dynamic input overlay (F12): show coordinate tooltip near cursor.
     dyn_input: bool,
     /// Dynamic input mode (DYNMODE): 0=off, 1=pointer, 2=dimensional, 3=both.
@@ -3567,6 +3569,7 @@ pub enum Message {
     DraftingSettingsGridMajorChanged(String),
     DraftingSettingsToggleAdaptiveGrid,
     DraftingSettingsToggleBeyondLimits,
+    DraftingSettingsToggleGridAxes,
     DraftingSettingsToggleEqualSnap,
     DraftingSettingsToggleIsometric,
     DraftingSettingsSetIsoPlane(crate::app::settings::IsoPlane),
@@ -4754,6 +4757,7 @@ impl OpenCADStudio {
             grid_major_every: 5,
             grid_adaptive: true,
             grid_beyond_limits: true,
+            grid_axes: true,
             dyn_input: true,
             dyn_mode: 3,
             options_tab: crate::ui::window::options::OptionsTab::General,

src/app/settings.rs

@@ -704,6 +704,9 @@ pub struct UserSettings {
     /// Display grid beyond LIMITS (default on, matches dialog).
     #[serde(default = "default_true")]
     pub grid_beyond_limits: bool,
+    /// Draw the coloured X/Y axis lines through the grid origin.
+    #[serde(default = "default_true")]
+    pub grid_axes: bool,
     /// Most-recently-inserted block names, most recent first, capped to 20.
     /// Used to rank INSERT suggestions without touching the drawing file.
     #[serde(default)]
@@ -1052,6 +1055,7 @@ impl Default for UserSettings {
             grid_major_every: 5,
             grid_adaptive: true,
             grid_beyond_limits: true,
+            grid_axes: true,
             block_mru: Vec::new(),
             block_freq: std::collections::HashMap::new(),
             block_recent: Vec::new(),

src/app/update/file.rs

@@ -925,6 +925,7 @@ impl OpenCADStudio {
             grid_major_every: self.grid_major_every,
             grid_adaptive: self.grid_adaptive,
             grid_beyond_limits: self.grid_beyond_limits,
+            grid_axes: self.grid_axes,
             block_mru: self.block_mru.clone(),
             block_freq: self.block_freq.clone(),
             block_recent: self.block_palette.recent.clone(),
@@ -1110,6 +1111,7 @@ impl OpenCADStudio {
         self.grid_major_every = crate::app::settings::sanitize_grid_major(s.grid_major_every);
         self.grid_adaptive = s.grid_adaptive;
         self.grid_beyond_limits = s.grid_beyond_limits;
+        self.grid_axes = s.grid_axes;
         // Block usage: clone but cap to sane sizes (MRU 20, freq map 200)
         self.block_mru = s.block_mru.iter().take(20).cloned().collect();
         self.block_freq = s

src/app/update/mod.rs

@@ -6401,6 +6401,12 @@ impl OpenCADStudio {
                 }
                 Task::none()
             }
+            Message::DraftingSettingsToggleGridAxes => {
+                if let Some(state) = &mut self.drafting_settings_state {
+                    state.grid_axes = !state.grid_axes;
+                }
+                Task::none()
+            }
             Message::DraftingSettingsToggleEqualSnap => {
                 if let Some(state) = &mut self.drafting_settings_state {
                     state.snap_equal = !state.snap_equal;

src/app/view/mod.rs

@@ -627,6 +627,7 @@ bg={bg_ms:.1}ms n={view_count}"
             let grid_style = crate::ui::overlay::GridStyle {
                 opacity: self.model_space.grid_opacity,
                 bg_luminance: bg_lum,
+                axes: self.grid_axes,
             };
             crate::ui::overlay::grid_overlay(grid, grid_style)
         };

src/locale_catalog.rs

@@ -5680,6 +5680,7 @@ pub(super) fn message_attribute(source: &str) -> Option<(&'static str, &'static
         "Display Selection Cycling List Box" => Some(("common", "display-selection-cycling-list-box")),
         "Display coordinate input near crosshairs" => Some(("common", "display-coordinate-input-near-crosshairs")),
         "Display grid beyond Limits" => Some(("common", "display-grid-beyond-limits")),
+        "Display grid axis lines" => Some(("common", "display-grid-axis-lines")),
         "Display selection candidate list box on click" => Some(("common", "display-selection-candidate-list-box-on-click")),
         "Distance and angle tolerances must be non-negative numbers." => Some(("common", "distance-and-angle-tolerances-must-be-non-negative-numbers")),
         "Distance1 = {:.4}, Distance2 = {:.4}" => Some(("common", "distance1-distance2")),

src/ui/overlay.rs

@@ -316,6 +316,8 @@ pub struct CrosshairOptions {
 pub struct GridStyle {
     pub opacity: u8,
     pub bg_luminance: f32,
+    /// Draw the coloured X/Y axis lines through the grid origin.
+    pub axes: bool,
 }
 
 impl Default for GridStyle {
@@ -323,6 +325,7 @@ impl Default for GridStyle {
         Self {
             opacity: 18,
             bg_luminance: 0.15,
+            axes: true,
         }
     }
 }
@@ -2722,7 +2725,7 @@ fn draw_grid(
         });
         frame.stroke(&path, major_stroke);
     }
-    if geometry.axis_extent > 0.0 {
+    if style.axes && geometry.axis_extent > 0.0 {
         let (gx, gy, gz) = grid_axes;
         let extent = (geometry.axis_extent + step_x.max(step_y)) * 1.5;
         draw_axes(

src/ui/window/drafting_settings.rs

@@ -35,6 +35,7 @@ pub struct DraftingSettingsState {
     pub grid_major_input: String,
     pub grid_adaptive: bool,
     pub grid_beyond_limits: bool,
+    pub grid_axes: bool,
     pub isometric: bool,
     pub iso_plane: IsoPlane,
     pub snap_angle_deg: f32,
@@ -72,6 +73,7 @@ impl DraftingSettingsState {
             || self.grid_major_input != saved.grid_major_input
             || self.grid_adaptive != saved.grid_adaptive
             || self.grid_beyond_limits != saved.grid_beyond_limits
+            || self.grid_axes != saved.grid_axes
             || self.isometric != saved.isometric
             || self.iso_plane != saved.iso_plane
             || (self.snap_angle_deg - saved.snap_angle_deg).abs() > 0.001
@@ -387,6 +389,14 @@ pub fn view_window<'a>(
                 ]
                 .spacing(6)
                 .align_y(iced::Center),
+                row![
+                    checkbox(state.grid_axes)
+                        .on_toggle(|_| Message::DraftingSettingsToggleGridAxes)
+                        .size(14),
+                    text(crate::t!("Display grid axis lines")).size(11),
+                ]
+                .spacing(6)
+                .align_y(iced::Center),
             ]
             .spacing(6),
         );