Graphite/editor/src/messages/layout/layout_message_handler.rs

307 lines
14 KiB
Rust

use crate::messages::input_mapper::utility_types::input_keyboard::KeysGroup;
use crate::messages::layout::utility_types::widget_prelude::*;
use crate::messages::prelude::*;
use document_legacy::LayerId;
use graphene_core::raster::color::Color;
use graphene_core::text::Font;
use serde_json::Value;
use std::ops::Not;
#[derive(Debug, Clone, Default)]
pub struct LayoutMessageHandler {
layouts: [Layout; LayoutTarget::LayoutTargetLength as usize],
}
impl LayoutMessageHandler {
/// Get the widget path for the widget with the specified id
fn get_widget_path(widget_layout: &WidgetLayout, id: u64) -> Option<(&WidgetHolder, Vec<usize>)> {
let mut stack = widget_layout.layout.iter().enumerate().map(|(index, val)| (vec![index], val)).collect::<Vec<_>>();
while let Some((mut widget_path, group)) = stack.pop() {
match group {
// Check if any of the widgets in the current column or row have the correct id
LayoutGroup::Column { widgets } | LayoutGroup::Row { widgets } => {
for (index, widget) in widgets.iter().enumerate() {
// Return if this is the correct ID
if widget.widget_id == id {
widget_path.push(index);
return Some((widget, widget_path));
}
if let Widget::PopoverButton(popover) = &widget.widget {
stack.extend(popover.options_widget.iter().enumerate().map(|(child, val)| ([widget_path.as_slice(), &[index, child]].concat(), val)));
}
}
}
// A section contains more LayoutGroups which we add to the stack.
LayoutGroup::Section { layout, .. } => {
stack.extend(layout.iter().enumerate().map(|(index, val)| ([widget_path.as_slice(), &[index]].concat(), val)));
}
}
}
None
}
}
impl<F: Fn(&MessageDiscriminant) -> Vec<KeysGroup>> MessageHandler<LayoutMessage, F> for LayoutMessageHandler {
#[remain::check]
fn process_message(&mut self, message: LayoutMessage, responses: &mut std::collections::VecDeque<Message>, action_input_mapping: F) {
use LayoutMessage::*;
#[remain::sorted]
match message {
ResendActiveWidget { layout_target, dirty_id } => {
// Find the updated diff based on the specified layout target
let Some(diff) = (match &self.layouts[layout_target as usize] {
Layout::MenuLayout(_) => return,
Layout::WidgetLayout(layout) => Self::get_widget_path(layout, dirty_id).map(|(widget, widget_path)| {
// Create a widget update diff for the relevant id
let new_value = DiffUpdate::Widget(widget.clone());
WidgetDiff { widget_path, new_value }
}),
}) else {
return;
};
// Resend that diff
self.send_diff(vec![diff], layout_target, responses, &action_input_mapping);
}
SendLayout { layout, layout_target } => self.diff_and_send_layout_to_frontend(layout_target, layout, responses, &action_input_mapping),
UpdateLayout { layout_target, widget_id, value } => {
// Look up the layout
let layout = if let Some(layout) = self.layouts.get_mut(layout_target as usize) {
layout
} else {
warn!("UpdateLayout was called referencing an invalid layout. `widget_id: {widget_id}`, `layout_target: {layout_target:?}`",);
return;
};
let widget_holder = if let Some(widget_holder) = layout.iter_mut().find(|widget| widget.widget_id == widget_id) {
widget_holder
} else {
warn!("UpdateLayout was called referencing an invalid widget ID, although the layout target was valid. `widget_id: {widget_id}`, `layout_target: {layout_target:?}`",);
return;
};
#[remain::sorted]
match &mut widget_holder.widget {
Widget::BreadcrumbTrailButtons(breadcrumb_trail_buttons) => {
let update_value = value.as_u64().expect("BreadcrumbTrailButtons update was not of type: u64");
let callback_message = (breadcrumb_trail_buttons.on_update.callback)(&update_value);
responses.add(callback_message);
}
Widget::CheckboxInput(checkbox_input) => {
let update_value = value.as_bool().expect("CheckboxInput update was not of type: bool");
checkbox_input.checked = update_value;
let callback_message = (checkbox_input.on_update.callback)(checkbox_input);
responses.add(callback_message);
}
Widget::ColorButton(color_button) => {
let update_value = value.as_object().expect("ColorButton update was not of type: object");
let parsed_color = (|| {
let is_none = update_value.get("none")?.as_bool()?;
if !is_none {
Some(Some(Color::from_rgbaf32(
update_value.get("red")?.as_f64()? as f32,
update_value.get("green")?.as_f64()? as f32,
update_value.get("blue")?.as_f64()? as f32,
update_value.get("alpha")?.as_f64()? as f32,
)?))
} else {
Some(None)
}
})()
.unwrap_or_else(|| panic!("ColorButton update was not able to be parsed with color data: {color_button:?}"));
color_button.value = parsed_color;
let callback_message = (color_button.on_update.callback)(color_button);
responses.add(callback_message);
}
Widget::CurveInput(curve_input) => {
let curve = serde_json::from_value(value).expect("CurveInput event data could not be deserialized");
curve_input.value = curve;
let callback_message = (curve_input.on_update.callback)(curve_input);
responses.add(callback_message);
}
Widget::DropdownInput(dropdown_input) => {
let update_value = value.as_u64().expect("DropdownInput update was not of type: u64");
dropdown_input.selected_index = Some(update_value as u32);
let callback_message = (dropdown_input.entries.iter().flatten().nth(update_value as usize).unwrap().on_update.callback)(&());
responses.add(callback_message);
}
Widget::FontInput(font_input) => {
let update_value = value.as_object().expect("FontInput update was not of type: object");
let font_family_value = update_value.get("fontFamily").expect("FontInput update does not have a fontFamily");
let font_style_value = update_value.get("fontStyle").expect("FontInput update does not have a fontStyle");
let font_family = font_family_value.as_str().expect("FontInput update fontFamily was not of type: string");
let font_style = font_style_value.as_str().expect("FontInput update fontStyle was not of type: string");
font_input.font_family = font_family.into();
font_input.font_style = font_style.into();
responses.add(PortfolioMessage::LoadFont {
font: Font::new(font_family.into(), font_style.into()),
is_default: false,
});
let callback_message = (font_input.on_update.callback)(font_input);
responses.add(callback_message);
}
Widget::IconButton(icon_button) => {
let callback_message = (icon_button.on_update.callback)(icon_button);
responses.add(callback_message);
}
Widget::IconLabel(_) => {}
Widget::ImageLabel(_) => {}
Widget::InvisibleStandinInput(invisible) => {
let callback_message = (invisible.on_update.callback)(&());
responses.add(callback_message);
}
Widget::LayerReferenceInput(layer_reference_input) => {
let update_value = value.is_null().not().then(|| {
value
.as_str()
.expect("LayerReferenceInput update was not of type: string")
.split(',')
.map(|id| id.parse::<LayerId>().unwrap())
.collect::<Vec<_>>()
});
layer_reference_input.value = update_value;
let callback_message = (layer_reference_input.on_update.callback)(layer_reference_input);
responses.add(callback_message);
}
Widget::NumberInput(number_input) => match value {
Value::Number(num) => {
let update_value = num.as_f64().unwrap();
number_input.value = Some(update_value);
let callback_message = (number_input.on_update.callback)(number_input);
responses.add(callback_message);
}
Value::String(str) => match str.as_str() {
"Increment" => responses.add((number_input.increment_callback_increase.callback)(number_input)),
"Decrement" => responses.add((number_input.increment_callback_decrease.callback)(number_input)),
_ => {
panic!("Invalid string found when updating `NumberInput`")
}
},
_ => {} // If it's some other type we could just ignore it and leave the value as is
},
Widget::OptionalInput(optional_input) => {
let update_value = value.as_bool().expect("OptionalInput update was not of type: bool");
optional_input.checked = update_value;
let callback_message = (optional_input.on_update.callback)(optional_input);
responses.add(callback_message);
}
Widget::ParameterExposeButton(parameter_expose_button) => {
let callback_message = (parameter_expose_button.on_update.callback)(parameter_expose_button);
responses.add(callback_message);
}
Widget::PivotInput(pivot_input) => {
let update_value = value.as_str().expect("PivotInput update was not of type: u64");
pivot_input.position = update_value.into();
let callback_message = (pivot_input.on_update.callback)(pivot_input);
responses.add(callback_message);
}
Widget::PopoverButton(_) => {}
Widget::RadioInput(radio_input) => {
let update_value = value.as_u64().expect("RadioInput update was not of type: u64");
radio_input.selected_index = Some(update_value as u32);
let callback_message = (radio_input.entries[update_value as usize].on_update.callback)(&());
responses.add(callback_message);
}
Widget::Separator(_) => {}
Widget::TextAreaInput(text_area_input) => {
let update_value = value.as_str().expect("TextAreaInput update was not of type: string");
text_area_input.value = update_value.into();
let callback_message = (text_area_input.on_update.callback)(text_area_input);
responses.add(callback_message);
}
Widget::TextButton(text_button) => {
let callback_message = (text_button.on_update.callback)(text_button);
responses.add(callback_message);
}
Widget::TextInput(text_input) => {
let update_value = value.as_str().expect("TextInput update was not of type: string");
text_input.value = update_value.into();
let callback_message = (text_input.on_update.callback)(text_input);
responses.add(callback_message);
}
Widget::TextLabel(_) => {}
Widget::WorkingColorsButton(_) => {}
};
responses.add(ResendActiveWidget { layout_target, dirty_id: widget_id });
}
}
}
fn actions(&self) -> ActionList {
actions!()
}
}
impl LayoutMessageHandler {
/// Diff the update and send to the frontend where necessary
fn diff_and_send_layout_to_frontend(
&mut self,
layout_target: LayoutTarget,
new_layout: Layout,
responses: &mut VecDeque<Message>,
action_input_mapping: &impl Fn(&MessageDiscriminant) -> Vec<KeysGroup>,
) {
// We don't diff the menu bar layout yet.
if matches!(new_layout, Layout::MenuLayout(_)) {
// Skip update if the same
if self.layouts[layout_target as usize] == new_layout {
return;
}
// Update the backend storage
self.layouts[layout_target as usize] = new_layout;
// Update the UI
responses.add(FrontendMessage::UpdateMenuBarLayout {
layout_target,
layout: self.layouts[layout_target as usize].clone().unwrap_menu_layout(action_input_mapping).layout,
});
return;
}
let mut widget_diffs = Vec::new();
self.layouts[layout_target as usize].diff(new_layout, &mut Vec::new(), &mut widget_diffs);
// Skip sending if no diff.
if widget_diffs.is_empty() {
return;
}
self.send_diff(widget_diffs, layout_target, responses, action_input_mapping);
}
/// Send a diff to the frontend based on the layout target.
#[remain::check]
fn send_diff(&self, mut diff: Vec<WidgetDiff>, layout_target: LayoutTarget, responses: &mut VecDeque<Message>, action_input_mapping: &impl Fn(&MessageDiscriminant) -> Vec<KeysGroup>) {
diff.iter_mut().for_each(|diff| diff.new_value.apply_shortcut(action_input_mapping));
trace!("{layout_target:?} diff {diff:#?}");
#[remain::sorted]
let message = match layout_target {
LayoutTarget::DialogButtons => FrontendMessage::UpdateDialogButtons { layout_target, diff },
LayoutTarget::DialogColumn1 => FrontendMessage::UpdateDialogColumn1 { layout_target, diff },
LayoutTarget::DialogColumn2 => FrontendMessage::UpdateDialogColumn2 { layout_target, diff },
LayoutTarget::DocumentBar => FrontendMessage::UpdateDocumentBarLayout { layout_target, diff },
LayoutTarget::DocumentMode => FrontendMessage::UpdateDocumentModeLayout { layout_target, diff },
LayoutTarget::GraphViewOverlayButton => FrontendMessage::UpdateGraphViewOverlayButtonLayout { layout_target, diff },
LayoutTarget::LayersPanelOptions => FrontendMessage::UpdateLayersPanelOptionsLayout { layout_target, diff },
LayoutTarget::MenuBar => unreachable!("Menu bar is not diffed"),
LayoutTarget::NodeGraphBar => FrontendMessage::UpdateNodeGraphBarLayout { layout_target, diff },
LayoutTarget::PropertiesOptions => FrontendMessage::UpdatePropertyPanelOptionsLayout { layout_target, diff },
LayoutTarget::PropertiesSections => FrontendMessage::UpdatePropertyPanelSectionsLayout { layout_target, diff },
LayoutTarget::ToolOptions => FrontendMessage::UpdateToolOptionsLayout { layout_target, diff },
LayoutTarget::ToolShelf => FrontendMessage::UpdateToolShelfLayout { layout_target, diff },
LayoutTarget::WorkingColors => FrontendMessage::UpdateWorkingColorsLayout { layout_target, diff },
#[remain::unsorted]
LayoutTarget::LayoutTargetLength => panic!("`LayoutTargetLength` is not a valid Layout Target and is used for array indexing"),
};
responses.add(message);
}
}