Fix node size (#20)

* ⚰️ remove socket field related code

* 🐛 fix node size

nodui/src/editor/show/render/body.rs

@@ -7,7 +7,9 @@ use crate::{
     NodeLayout, NodeSide, RenderedSocket,
 };
 
-use super::{socket::PreparedSocket, ROW_HEIGHT, SOCKET_NAME_GAP, SOCKET_WIDTH};
+use super::{
+    socket::PreparedSocket, DOUBLE_COLUMNS_GAP, ROW_HEIGHT, SOCKET_NAME_GAP, SOCKET_WIDTH,
+};
 
 /* -------------------------------------------------------------------------- */
 
@@ -42,7 +44,6 @@ pub(crate) fn prepare<S>(
     sockets: Vec<PreparedSocket<S>>,
 ) -> PreparedBody<S> {
     let padding = Margin::same(5.0);
-    let column_gap = 5.0;
 
     let size: Vec2 = match layout {
         NodeLayout::Single => {
@@ -61,7 +62,11 @@ pub(crate) fn prepare<S>(
                 *size = layout::stack_vertically([*size, s.compute_size()]);
             }
 
-            let column_gap = vec2(0.0, column_gap);
+            let column_gap = if left == Vec2::ZERO || right == Vec2::ZERO {
+                Vec2::ZERO
+            } else {
+                vec2(DOUBLE_COLUMNS_GAP, 0.0)
+            };
 
             layout::stack_horizontally([left, column_gap, right])
         }

nodui/src/editor/show/render/mod.rs

@@ -10,8 +10,8 @@ const SOCKET_WIDTH: f32 = 10.0;
 /// Space between socket's name its socket shape.
 const SOCKET_NAME_GAP: f32 = 5.0;
 
-/// Space between socket's name and field.
-const SOCKET_NAME_FIELD_GAP: f32 = 5.0;
+/// Space between the two columns of a node.
+const DOUBLE_COLUMNS_GAP: f32 = 5.0;
 
 /// The height of a socket line.
 const ROW_HEIGHT: f32 = 20.0;

nodui/src/editor/show/render/socket.rs

@@ -6,7 +6,7 @@ use egui::{vec2, Color32, Vec2};
 
 use crate::{misc::layout, NodeSide, Socket, SocketShape};
 
-use super::{ROW_HEIGHT, SOCKET_NAME_FIELD_GAP, SOCKET_NAME_GAP, SOCKET_WIDTH};
+use super::{ROW_HEIGHT, SOCKET_NAME_GAP, SOCKET_WIDTH};
 
 /* -------------------------------------------------------------------------- */
 
@@ -32,10 +32,8 @@ impl<S> PreparedSocket<S> {
         let socket_size = Vec2::splat(SOCKET_WIDTH);
         let socket_text_gap = vec2(SOCKET_NAME_GAP, 0.0);
         let text_size = self.text.size();
-        let text_field_gap = vec2(SOCKET_NAME_FIELD_GAP, 0.0);
 
-        let mut size =
-            layout::stack_horizontally([socket_size, socket_text_gap, text_size, text_field_gap]);
+        let mut size = layout::stack_horizontally([socket_size, socket_text_gap, text_size]);
 
         // FIXME: it work will the computed height is lower than `ROW_HEIGHT`.
         size.y = ROW_HEIGHT;