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feat(color): add CAD indexed color picker

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gianlucafiore committed 2026-08-09 23:40:55 -03:00
1 parent 60f5bca0d4
commit 4697e8cc33
4 files changed
+293 -21
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src/app/mod.rs
+20 -3
View File
@@ -599,6 +599,11 @@ pub(super) struct OpenCADStudio {
// ── Floating panel windows ────────────────────────────────────────────
/// Active `iced_aw` colour picker: destination plus its initial colour.
color_pick_target: Option<(ColorPickTarget, AcadColor)>,
/// Visible page in the shared CAD colour picker.
color_picker_tab: ColorPickerTab,
/// Recently committed real colours, newest first.
/// ACI and True Color remain semantically distinct even when their RGB matches.
recent_colors: Vec<AcadColor>,
/// The open in-canvas modal dialog, if any (Plan B: shared overlay instead
/// of OS windows).
active_modal: Option<ModalKind>,
@@ -1162,7 +1167,13 @@ pub struct SaveOutcome {
refreshed_preview: Option<Option<acadrust::Preview>>,
result: Result<(), crate::io::SaveFailure>,
}
/// Active page in the shared CAD colour picker.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
pub enum ColorPickerTab {
#[default]
Index,
TrueColor,
}
/// Where a colour chosen in the standalone palette window should be applied.
#[derive(Debug, Clone)]
pub enum ColorPickTarget {
@@ -2904,11 +2915,15 @@ pub enum Message {
DsCenterMarkMode(String),
/// Toggle the expanded colour palette for a DimStyle colour field.
DsColorMore(DsField),
/// Open the `iced_aw` colour picker for a field and its current colour.
/// Open the shared CAD colour picker for a field and its current colour.
OpenColorWindow(ColorPickTarget, AcadColor),
/// Switch between Index Color and True Color.
ColorPickerTabChanged(ColorPickerTab),
/// Change the pending colour without committing it yet.
ColorPickerColorChanged(AcadColor),
/// Close the colour picker without choosing.
CloseColorPicker,
/// A colour was chosen in the `iced_aw` picker.
/// Commit the colour chosen in the shared picker.
ColorWindowPick(acadrust::types::Color),
/// Set a block/linetype Handle field on the selected dim style from a
/// dropdown of available block-records / linetypes (by name).
@@ -3127,6 +3142,8 @@ impl OpenCADStudio {
last_point: None,
main_window: None,
color_pick_target: None,
color_picker_tab: ColorPickerTab::Index,
recent_colors: Vec::new(),
active_modal: None,
find_replace: FindReplaceState::default(),
aec_drop_acknowledged: false,
src/app/update/mod.rs
+37 -2
View File
@@ -7321,21 +7321,56 @@ impl OpenCADStudio {
}
Message::OpenColorWindow(target, color) => {
self.color_pick_target = Some((target, color));
// Always open the shared CAD colour picker on the indexed ACI page.
self.color_picker_tab = crate::app::ColorPickerTab::Index;
self.modal_offset = iced::Vector::ZERO;
self.ds_color_open = None;
self.mls_color_open = None;
self.ts_color_open = None;
self.ribbon.close_dropdown();
let i = self.active_tab;
self.tabs[i].properties.color_picker_open = false;
self.tabs[i].layers.color_picker_row = None;
// `color_pick_target.is_some()` drives the iced_aw overlay.
Task::none()
}
Message::ColorPickerTabChanged(tab) => {
self.color_picker_tab = tab;
Task::none()
}
Message::ColorPickerColorChanged(color) => {
if let Some((_, current)) = self.color_pick_target.as_mut() {
*current = color;
}
Task::none()
}
Message::CloseColorPicker => {
self.color_pick_target = None;
Task::none()
}
Message::ColorWindowPick(color) => self.on_color_window_pick(color),
Message::ColorWindowPick(color) => {
// Keep only real colours in the recent list. ByLayer / ByBlock / None
// are logical CAD states rather than reusable colours.
if matches!(
&color,
acadrust::types::Color::Index(_)
| acadrust::types::Color::Rgb { .. }
) {
// No duplicates: selecting an existing colour moves it to the front.
if let Some(pos) = self.recent_colors.iter().position(|c| c == &color) {
self.recent_colors.remove(pos);
}
self.recent_colors.insert(0, color.clone());
self.recent_colors.truncate(12);
}
self.on_color_window_pick(color)
}
Message::DsSetHandle { field, value } => self.on_ds_set_handle(field, value),
}
}
src/app/view/mod.rs
+41 -16
View File
@@ -1850,24 +1850,49 @@ impl OpenCADStudio {
}
None => composed.into(),
};
// iced_aw owns the colour-picker overlay and keeps it above whichever
// application modal requested it.
// Shared CAD colour picker. Indexed ACI colours use OpenCADStudio's own
// dialog; True Color keeps the existing iced_aw gradient picker.
if let Some((_, current)) = self.color_pick_target.as_ref() {
let initial = crate::ui::properties::acad_color_display(*current).0;
let modal_base =
crate::ui::modal::backdrop(base, Message::CloseColorPicker);
iced_aw::ColorPicker::new(
true,
initial,
modal_base,
Message::CloseColorPicker,
|color| {
Message::ColorWindowPick(
crate::ui::color_select::iced_to_acad_color(color),
match self.color_picker_tab {
super::ColorPickerTab::Index => {
let content = crate::ui::color_select::index_color_page(
*current,
&self.recent_colors,
);
crate::ui::modal::modal(
base,
"Select Color",
content,
Message::CloseColorPicker,
self.modal_offset,
crate::ui::modal::ModalOptions::NOTICE,
)
},
)
.into()
}
super::ColorPickerTab::TrueColor => {
let initial = crate::ui::properties::acad_color_display(*current).0;
let modal_base =
crate::ui::modal::backdrop(base, Message::CloseColorPicker);
iced_aw::ColorPicker::new(
true,
initial,
modal_base,
// Cancel inside True Color returns to the indexed page instead
// of closing the whole CAD colour picker.
Message::ColorPickerTabChanged(super::ColorPickerTab::Index),
|color| {
Message::ColorWindowPick(
crate::ui::color_select::iced_to_acad_color(color),
)
},
)
.into()
}
}
} else {
base
}
src/ui/color_select.rs
+195
View File
@@ -244,3 +244,198 @@ pub fn drop_down_below<'a>(
.on_dismiss(on_dismiss)
.into()
}
/// Full CAD indexed-colour page used by the standalone Select Color dialog.
///
/// This only edits the pending colour. The caller commits it with
/// `Message::ColorWindowPick`, so choosing a swatch does not immediately close
/// the dialog.
pub fn index_color_page<'a>(
current: AcadColor,
recent_colors: &'a [AcadColor],
) -> Element<'a, Message> {
let swatch_button = |color: AcadColor, size: f32| -> Element<'a, Message> {
let (bg, _) = acad_color_display(color);
let selected = current == color;
button(
text("")
.width(Length::Fixed(size))
.height(Length::Fixed(size)),
)
.on_press(Message::ColorPickerColorChanged(color))
.style(move |theme: &Theme, status| {
let hovered = matches!(
status,
button::Status::Hovered | button::Status::Pressed
);
button::Style {
background: Some(Background::Color(bg)),
border: Border {
color: if selected || hovered {
theme.palette().primary.base.color
} else {
theme.palette().background.neutral.color
},
width: if selected {
2.5
} else if hovered {
1.5
} else {
1.0
},
radius: 1.0.into(),
},
..Default::default()
}
})
.padding(0)
.into()
};
// AutoCAD's first standard indexed colours.
let mut standard = row![].spacing(4);
for idx in 1u8..=9 {
standard = standard.push(swatch_button(AcadColor::Index(idx), 22.0));
}
// ACI 10-249.
//
// Each group of ten indices belongs together. Arrange the 24 colour
// families horizontally and their ten shade/intensity variants vertically.
// This makes the palette read as a colour spectrum instead of a raw numeric
// sequence.
let mut palette_rows = column![].spacing(2);
for variant in 0u8..10 {
let mut palette_row = row![].spacing(2);
for family in 1u8..=24 {
let idx = family * 10 + variant;
palette_row = palette_row.push(swatch_button(AcadColor::Index(idx), 16.0));
}
palette_rows = palette_rows.push(palette_row);
}
// ACI 250-255 are the grayscale entries and are shown separately.
let mut grayscale = row![].spacing(4);
for idx in 250u8..=255 {
grayscale =
grayscale.push(swatch_button(AcadColor::Index(idx), 22.0));
}
let recent: Element<'a, Message> = if recent_colors.is_empty() {
text("No recent colors yet")
.size(10)
.style(|theme: &Theme| iced::widget::text::Style {
color: Some(
theme
.palette()
.background
.base
.text
.scale_alpha(0.55),
),
})
.into()
} else {
let mut recent_row = row![].spacing(4);
for &color in recent_colors.iter().take(12) {
recent_row = recent_row.push(swatch_button(color, 22.0));
}
recent_row.into()
};
let selected_text = match current {
AcadColor::Index(i) => {
let (r, g, b) =
acadrust::types::aci_table::aci_to_rgb(i).unwrap_or((128, 128, 128));
format!("ACI {i} RGB {r}, {g}, {b}")
}
AcadColor::Rgb { r, g, b } => {
format!("True Color RGB {r}, {g}, {b}")
}
AcadColor::ByLayer => "ByLayer".to_string(),
AcadColor::ByBlock => "ByBlock".to_string(),
AcadColor::None => "None".to_string(),
};
let tabs = row![
button(text("Index Color").size(12))
.style(button::primary)
.padding([5, 14]),
button(text("True Color").size(12))
.on_press(Message::ColorPickerTabChanged(
crate::app::ColorPickerTab::TrueColor
))
.style(button::secondary)
.padding([5, 14]),
]
.spacing(4);
let actions = container(
row![
button(text("Cancel").size(11))
.on_press(Message::CloseColorPicker)
.style(button::secondary)
.padding([5, 14]),
button(text("OK").size(11))
.on_press(Message::ColorWindowPick(current))
.style(button::primary)
.padding([5, 18]),
]
.spacing(8),
)
.width(Length::Fill)
.align_x(iced::alignment::Horizontal::Right);
container(
column![
tabs,
text("Standard colors").size(11),
standard,
text("AutoCAD Color Index (ACI) 10–249").size(11),
text("Color family → · Shade / intensity ↓")
.size(9)
.style(|theme: &Theme| iced::widget::text::Style {
color: Some(theme.palette().background.base.text.scale_alpha(0.65)),
}),
container(palette_rows)
.padding(6)
.style(|theme: &Theme| container::Style {
background: Some(Background::Color(
theme.palette().background.weakest.color
)),
border: Border {
color: theme.palette().background.neutral.color,
width: 1.0,
radius: 3.0.into(),
},
..Default::default()
}),
text("Grayscale 250–255").size(11),
grayscale,
text("Recently used").size(11),
recent,
text(selected_text).size(11),
actions,
]
.spacing(9),
)
.padding(10)
.width(Length::Fixed(470.0))
.into()
}