Graphite/editor/src/messages/tool/tool_messages/rectangle_tool.rs

288 lines
9.3 KiB
Rust

use super::tool_prelude::*;
use crate::messages::portfolio::document::overlays::utility_types::OverlayContext;
use crate::messages::tool::common_functionality::color_selector::{ToolColorOptions, ToolColorType};
use crate::messages::tool::common_functionality::graph_modification_utils;
use crate::messages::tool::common_functionality::resize::Resize;
use crate::messages::tool::common_functionality::snapping::SnapData;
use graph_craft::document::NodeId;
use graphene_core::uuid::generate_uuid;
use graphene_core::vector::style::{Fill, Stroke};
use graphene_core::Color;
#[derive(Default)]
pub struct RectangleTool {
fsm_state: RectangleToolFsmState,
tool_data: RectangleToolData,
options: RectangleToolOptions,
}
pub struct RectangleToolOptions {
line_weight: f64,
fill: ToolColorOptions,
stroke: ToolColorOptions,
}
impl Default for RectangleToolOptions {
fn default() -> Self {
Self {
line_weight: 5.,
fill: ToolColorOptions::new_secondary(),
stroke: ToolColorOptions::new_primary(),
}
}
}
#[remain::sorted]
#[derive(PartialEq, Clone, Debug, Serialize, Deserialize, specta::Type)]
pub enum RectangleOptionsUpdate {
FillColor(Option<Color>),
FillColorType(ToolColorType),
LineWeight(f64),
StrokeColor(Option<Color>),
StrokeColorType(ToolColorType),
WorkingColors(Option<Color>, Option<Color>),
}
#[remain::sorted]
#[impl_message(Message, ToolMessage, Rectangle)]
#[derive(PartialEq, Clone, Debug, Serialize, Deserialize, specta::Type)]
pub enum RectangleToolMessage {
// Standard messages
#[remain::unsorted]
Overlays(OverlayContext),
#[remain::unsorted]
Abort,
#[remain::unsorted]
WorkingColorChanged,
// Tool-specific messages
DragStart,
DragStop,
PointerMove {
center: Key,
lock_ratio: Key,
},
UpdateOptions(RectangleOptionsUpdate),
}
fn create_weight_widget(line_weight: f64) -> WidgetHolder {
NumberInput::new(Some(line_weight))
.unit(" px")
.label("Weight")
.min(0.)
.max((1_u64 << std::f64::MANTISSA_DIGITS) as f64)
.on_update(|number_input: &NumberInput| RectangleToolMessage::UpdateOptions(RectangleOptionsUpdate::LineWeight(number_input.value.unwrap())).into())
.widget_holder()
}
impl LayoutHolder for RectangleTool {
fn layout(&self) -> Layout {
let mut widgets = self.options.fill.create_widgets(
"Fill",
true,
|_| RectangleToolMessage::UpdateOptions(RectangleOptionsUpdate::FillColor(None)).into(),
|color_type: ToolColorType| WidgetCallback::new(move |_| RectangleToolMessage::UpdateOptions(RectangleOptionsUpdate::FillColorType(color_type.clone())).into()),
|color: &ColorButton| RectangleToolMessage::UpdateOptions(RectangleOptionsUpdate::FillColor(color.value)).into(),
);
widgets.push(Separator::new(SeparatorType::Unrelated).widget_holder());
widgets.append(&mut self.options.stroke.create_widgets(
"Stroke",
true,
|_| RectangleToolMessage::UpdateOptions(RectangleOptionsUpdate::StrokeColor(None)).into(),
|color_type: ToolColorType| WidgetCallback::new(move |_| RectangleToolMessage::UpdateOptions(RectangleOptionsUpdate::StrokeColorType(color_type.clone())).into()),
|color: &ColorButton| RectangleToolMessage::UpdateOptions(RectangleOptionsUpdate::StrokeColor(color.value)).into(),
));
widgets.push(Separator::new(SeparatorType::Unrelated).widget_holder());
widgets.push(create_weight_widget(self.options.line_weight));
Layout::WidgetLayout(WidgetLayout::new(vec![LayoutGroup::Row { widgets }]))
}
}
impl<'a> MessageHandler<ToolMessage, &mut ToolActionHandlerData<'a>> for RectangleTool {
fn process_message(&mut self, message: ToolMessage, responses: &mut VecDeque<Message>, tool_data: &mut ToolActionHandlerData<'a>) {
let ToolMessage::Rectangle(RectangleToolMessage::UpdateOptions(action)) = message else {
self.fsm_state.process_event(message, &mut self.tool_data, tool_data, &self.options, responses, true);
return;
};
match action {
RectangleOptionsUpdate::FillColor(color) => {
self.options.fill.custom_color = color;
self.options.fill.color_type = ToolColorType::Custom;
}
RectangleOptionsUpdate::FillColorType(color_type) => self.options.fill.color_type = color_type,
RectangleOptionsUpdate::LineWeight(line_weight) => self.options.line_weight = line_weight,
RectangleOptionsUpdate::StrokeColor(color) => {
self.options.stroke.custom_color = color;
self.options.stroke.color_type = ToolColorType::Custom;
}
RectangleOptionsUpdate::StrokeColorType(color_type) => self.options.stroke.color_type = color_type,
RectangleOptionsUpdate::WorkingColors(primary, secondary) => {
self.options.stroke.primary_working_color = primary;
self.options.stroke.secondary_working_color = secondary;
self.options.fill.primary_working_color = primary;
self.options.fill.secondary_working_color = secondary;
}
}
self.send_layout(responses, LayoutTarget::ToolOptions);
}
fn actions(&self) -> ActionList {
use RectangleToolFsmState::*;
match self.fsm_state {
Ready => actions!(RectangleToolMessageDiscriminant;
DragStart,
PointerMove,
),
Drawing => actions!(RectangleToolMessageDiscriminant;
DragStop,
Abort,
PointerMove,
),
}
}
}
impl ToolMetadata for RectangleTool {
fn icon_name(&self) -> String {
"VectorRectangleTool".into()
}
fn tooltip(&self) -> String {
"Rectangle Tool".into()
}
fn tool_type(&self) -> crate::messages::tool::utility_types::ToolType {
ToolType::Rectangle
}
}
impl ToolTransition for RectangleTool {
fn event_to_message_map(&self) -> EventToMessageMap {
EventToMessageMap {
overlay_provider: Some(|overlay_context| RectangleToolMessage::Overlays(overlay_context).into()),
tool_abort: Some(RectangleToolMessage::Abort.into()),
working_color_changed: Some(RectangleToolMessage::WorkingColorChanged.into()),
..Default::default()
}
}
}
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
enum RectangleToolFsmState {
#[default]
Ready,
Drawing,
}
#[derive(Clone, Debug, Default)]
struct RectangleToolData {
data: Resize,
}
impl Fsm for RectangleToolFsmState {
type ToolData = RectangleToolData;
type ToolOptions = RectangleToolOptions;
fn transition(
self,
event: ToolMessage,
tool_data: &mut Self::ToolData,
ToolActionHandlerData {
document, global_tool_data, input, ..
}: &mut ToolActionHandlerData,
tool_options: &Self::ToolOptions,
responses: &mut VecDeque<Message>,
) -> Self {
let shape_data = &mut tool_data.data;
let ToolMessage::Rectangle(event) = event else {
return self;
};
match (self, event) {
(_, RectangleToolMessage::Overlays(mut overlay_context)) => {
shape_data.snap_manager.draw_overlays(SnapData::new(document, input), &mut overlay_context);
self
}
(RectangleToolFsmState::Ready, RectangleToolMessage::DragStart) => {
shape_data.start(document, input);
let subpath = bezier_rs::Subpath::new_rect(DVec2::ZERO, DVec2::ONE);
responses.add(DocumentMessage::StartTransaction);
let layer = graph_modification_utils::new_vector_layer(vec![subpath], NodeId(generate_uuid()), document.new_layer_parent(), responses);
shape_data.layer = Some(layer);
let fill_color = tool_options.fill.active_color();
responses.add(GraphOperationMessage::FillSet {
layer,
fill: if let Some(color) = fill_color { Fill::Solid(color) } else { Fill::None },
});
responses.add(GraphOperationMessage::StrokeSet {
layer,
stroke: Stroke::new(tool_options.stroke.active_color(), tool_options.line_weight),
});
RectangleToolFsmState::Drawing
}
(RectangleToolFsmState::Drawing, RectangleToolMessage::PointerMove { center, lock_ratio }) => {
if let Some(message) = shape_data.calculate_transform(document, input, center, lock_ratio, false) {
responses.add(message);
}
self
}
(_, RectangleToolMessage::PointerMove { .. }) => {
shape_data.snap_manager.preview_draw(&SnapData::new(document, input), input.mouse.position);
responses.add(OverlaysMessage::Draw);
self
}
(RectangleToolFsmState::Drawing, RectangleToolMessage::DragStop) => {
input.mouse.finish_transaction(shape_data.viewport_drag_start(document), responses);
shape_data.cleanup(responses);
RectangleToolFsmState::Ready
}
(RectangleToolFsmState::Drawing, RectangleToolMessage::Abort) => {
responses.add(DocumentMessage::AbortTransaction);
shape_data.cleanup(responses);
RectangleToolFsmState::Ready
}
(_, RectangleToolMessage::WorkingColorChanged) => {
responses.add(RectangleToolMessage::UpdateOptions(RectangleOptionsUpdate::WorkingColors(
Some(global_tool_data.primary_color),
Some(global_tool_data.secondary_color),
)));
self
}
_ => self,
}
}
fn update_hints(&self, responses: &mut VecDeque<Message>) {
let hint_data = match self {
RectangleToolFsmState::Ready => HintData(vec![HintGroup(vec![
HintInfo::mouse(MouseMotion::LmbDrag, "Draw Rectangle"),
HintInfo::keys([Key::Shift], "Constrain Square").prepend_plus(),
HintInfo::keys([Key::Alt], "From Center").prepend_plus(),
])]),
RectangleToolFsmState::Drawing => HintData(vec![HintGroup(vec![HintInfo::keys([Key::Shift], "Constrain Square"), HintInfo::keys([Key::Alt], "From Center")])]),
};
responses.add(FrontendMessage::UpdateInputHints { hint_data });
}
fn update_cursor(&self, responses: &mut VecDeque<Message>) {
responses.add(FrontendMessage::UpdateMouseCursor { cursor: MouseCursorIcon::Crosshair });
}
}