Add the mesh gradient editing tool

Author: YohYamasaki

editor/src/messages/input_mapper/input_mappings.rs

@@ -183,6 +183,16 @@ pub fn input_mappings(zoom_with_scroll: bool) -> Mapping {
 		entry!(KeyDown(MouseRight); action_dispatch=GradientToolMessage::Abort),
 		entry!(KeyDown(Escape); action_dispatch=GradientToolMessage::Abort),
 		//
+		// MeshGradientToolMessage
+		entry!(DoubleClick(MouseButton::Left); action_dispatch=MeshGradientToolMessage::DoubleClick),
+		entry!(KeyDown(MouseLeft); action_dispatch=MeshGradientToolMessage::PointerDown),
+		entry!(PointerMove; refresh_keys=[Shift, Control], action_dispatch=MeshGradientToolMessage::PointerMove { constrain_axis: Shift, lock_angle: Control }),
+		entry!(KeyUp(MouseLeft); action_dispatch=MeshGradientToolMessage::PointerUp),
+		entry!(KeyDown(Delete); action_dispatch=MeshGradientToolMessage::DeleteEdge),
+		entry!(KeyDown(Backspace); action_dispatch=MeshGradientToolMessage::DeleteEdge),
+		entry!(KeyDown(MouseRight); action_dispatch=MeshGradientToolMessage::Abort),
+		entry!(KeyDown(Escape); action_dispatch=MeshGradientToolMessage::Abort),
+		//
 		// ShapeToolMessage
 		entry!(KeyDown(MouseLeft); action_dispatch=ShapeToolMessage::DragStart),
 		entry!(KeyUp(MouseLeft); action_dispatch=ShapeToolMessage::DragStop),

editor/src/messages/prelude.rs

@@ -48,6 +48,7 @@ pub use crate::messages::tool::tool_messages::eyedropper_tool::{EyedropperToolMe
 pub use crate::messages::tool::tool_messages::fill_tool::{FillToolMessage, FillToolMessageDiscriminant};
 pub use crate::messages::tool::tool_messages::freehand_tool::{FreehandToolMessage, FreehandToolMessageDiscriminant};
 pub use crate::messages::tool::tool_messages::gradient_tool::{GradientOptionsUpdate, GradientToolMessage, GradientToolMessageDiscriminant};
+pub use crate::messages::tool::tool_messages::mesh_gradient_tool::{MeshGradientToolMessage, MeshGradientToolMessageDiscriminant};
 pub use crate::messages::tool::tool_messages::navigate_tool::{NavigateToolMessage, NavigateToolMessageDiscriminant};
 pub use crate::messages::tool::tool_messages::path_tool::{PathToolMessage, PathToolMessageDiscriminant};
 pub use crate::messages::tool::tool_messages::pen_tool::{PenToolMessage, PenToolMessageDiscriminant};

editor/src/messages/tool/tool_message.rs

@@ -22,6 +22,8 @@ pub enum ToolMessage {
 	Fill(FillToolMessage),
 	#[child]
 	Gradient(GradientToolMessage),
+	#[child]
+	MeshGradient(MeshGradientToolMessage),
 
 	#[child]
 	Path(PathToolMessage),
@@ -58,6 +60,7 @@ pub enum ToolMessage {
 	ActivateToolEyedropper,
 	ActivateToolFill,
 	ActivateToolGradient,
+	ActivateToolMeshGradient,
 	// Vector tools
 	ActivateToolPath,
 	ActivateToolPen,

editor/src/messages/tool/tool_message_handler.rs

@@ -66,6 +66,7 @@ impl MessageHandler<ToolMessage, ToolMessageContext<'_>> for ToolMessageHandler
 			ToolMessage::ActivateToolText => responses.add_front(ToolMessage::ActivateTool { tool_type: ToolType::Text }),
 			ToolMessage::ActivateToolFill => responses.add_front(ToolMessage::ActivateTool { tool_type: ToolType::Fill }),
 			ToolMessage::ActivateToolGradient => responses.add_front(ToolMessage::ActivateTool { tool_type: ToolType::Gradient }),
+			ToolMessage::ActivateToolMeshGradient => responses.add_front(ToolMessage::ActivateTool { tool_type: ToolType::MeshGradient }),
 
 			ToolMessage::ActivateToolPath => responses.add_front(ToolMessage::ActivateTool { tool_type: ToolType::Path }),
 			ToolMessage::ActivateToolPen => responses.add_front(ToolMessage::ActivateTool { tool_type: ToolType::Pen }),
@@ -374,6 +375,7 @@ impl MessageHandler<ToolMessage, ToolMessageContext<'_>> for ToolMessageHandler
 			ActivateToolEyedropper,
 			ActivateToolFill,
 			ActivateToolGradient,
+			ActivateToolMeshGradient,
 
 			ActivateToolPath,
 			ActivateToolPen,