[wip]feat: add snapping options

editor/src/messages/layout/utility_types/widgets/button_widgets.rs

@@ -1,5 +1,6 @@
 use crate::messages::input_mapper::utility_types::misc::ActionKeys;
 use crate::messages::layout::utility_types::layout_widget::WidgetCallback;
+use crate::messages::layout::utility_types::widget_prelude::WidgetLayout;
 use crate::messages::portfolio::document::node_graph::FrontendGraphDataType;
 
 use graphite_proc_macros::WidgetBuilder;
@@ -48,6 +49,8 @@ pub struct PopoverButton {
 
 	pub tooltip: String,
 
+	pub options_widget: WidgetLayout,
+
 	#[serde(skip)]
 	pub tooltip_shortcut: Option<ActionKeys>,
 }

editor/src/messages/portfolio/document/document_message_handler.rs

@@ -1,5 +1,5 @@
 use super::utility_types::error::EditorError;
-use super::utility_types::misc::DocumentRenderMode;
+use super::utility_types::misc::{DocumentRenderMode, SnappingOptions};
 use crate::application::generate_uuid;
 use crate::consts::{ASYMPTOTIC_EFFECT, DEFAULT_DOCUMENT_NAME, FILE_SAVE_SUFFIX, GRAPHITE_DOCUMENT_VERSION, SCALE_EFFECT, SCROLLBAR_SPACING, VIEWPORT_ZOOM_TO_FIT_PADDING_SCALE_FACTOR};
 use crate::messages::frontend::utility_types::ExportBounds;
@@ -1561,9 +1561,28 @@ impl DocumentMessageHandler {
 				on_update: WidgetCallback::new(|optional_input: &OptionalInput| DocumentMessage::SetSnapping { snap: optional_input.checked }.into()),
 				..Default::default()
 			})),
+			// this isn't working, why?
 			WidgetHolder::new(Widget::PopoverButton(PopoverButton {
 				header: "Snapping".into(),
-				text: "Coming soon".into(),
+				text: "Select the vector to snap to.".into(), // TODO: check whether this is an apt description
+				options_widget: WidgetLayout::new(vec![LayoutGroup::Row {
+					widgets: vec![WidgetHolder::new(Widget::DropdownInput(DropdownInput {
+						entries: vec![vec![
+							DropdownEntryData {
+								label: SnappingOptions::BoundingBoxes.to_string(),
+								..DropdownEntryData::default()
+							},
+							DropdownEntryData {
+								label: SnappingOptions::Nodes.to_string(),
+								..DropdownEntryData::default()
+							},
+						]],
+						selected_index: Some(0_u32),
+						draw_icon: false,
+						interactive: true,
+						..Default::default()
+					}))],
+				}]),
 				..Default::default()
 			})),
 			WidgetHolder::new(Widget::Separator(Separator {

editor/src/messages/portfolio/document/utility_types/misc.rs

@@ -74,3 +74,19 @@ pub enum DocumentRenderMode<'a> {
 	OnlyBelowLayerInFolder(&'a [LayerId]),
 	LayerCutout(&'a [LayerId], Color),
 }
+
+pub enum SnappingOptions {
+	BoundingBoxes,
+	Nodes,
+}
+
+impl fmt::Display for SnappingOptions {
+	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		match self {
+			SnappingOptions::BoundingBoxes => write!(f, "Bounding Boxes"),
+			SnappingOptions::Nodes => write!(f, "Nodes"),
+		}
+	}
+}
+
+// TODO: implement icons for SnappingOptions eventually