client refactor

client/ui_drag.go

@@ -9,10 +9,10 @@ import (
 )
 
 /*
-Editor pan integration for Fyne Draggable:
+Client pan integration for Fyne Draggable:
 
 - DragEvent provides absolute coordinates in "Fyne units".
-- Editor knows canvasScale (Fyne units per pixel) and converts to pixels.
+- Client knows canvasScale (Fyne units per pixel) and converts to pixels.
 - We keep last drag position and compute dx/dy ourselves.
 - We update camera center in world-fixed (CameraXWorldFp/YWorldFp).
 
@@ -21,9 +21,9 @@ Sign convention (map follows pointer):
 - Drag down  (dyPx > 0): move world content down  => move camera up   => CameraYWorldFp -= dyWorldFp
 */
 
-// draggableEditor is the minimal interface we need from your editor implementation.
-// If your Editor already has these methods/fields, you can fold the code directly into it.
-type draggableEditor interface {
+// draggableClient is the minimal interface we need from your client implementation.
+// If your Client already has these methods/fields, you can fold the code directly into it.
+type draggableClient interface {
 	// CanvasScale returns the fyne-units-per-pixel scale factor.
 	CanvasScale() float32
 
@@ -39,7 +39,7 @@ type draggableEditor interface {
 
 // PanController holds per-drag transient state.
 type PanController struct {
-	ed draggableEditor
+	ed draggableClient
 
 	dragging bool
 	lastFx   float32 // last absolute position in Fyne units
@@ -50,7 +50,7 @@ type PanController struct {
 	remPxY float32
 }
 
-func NewPanController(ed draggableEditor) *PanController {
+func NewPanController(ed draggableClient) *PanController {
 	return &PanController{ed: ed}
 }