From fbfea917cb5d30695c530c8f5dde68c282339720 Mon Sep 17 00:00:00 2001
From: gucio321 <73652197+gucio321@users.noreply.github.com>
Date: Sat, 19 Dec 2020 21:28:07 +0100
Subject: [PATCH] added static checks to d2ui (#990)

Co-authored-by: M. Sz <mszeptuch@protonmail.com>
---
 d2core/d2ui/button.go    | 3 ++-
 d2core/d2ui/checkbox.go  | 4 ++--
 d2core/d2ui/label.go     | 3 +++
 d2core/d2ui/scrollbar.go | 4 ++--
 d2core/d2ui/sprite.go    | 3 +++
 d2core/d2ui/textbox.go   | 4 ++--
 6 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/d2core/d2ui/button.go b/d2core/d2ui/button.go
index b558969a..91bd8437 100644
--- a/d2core/d2ui/button.go
+++ b/d2core/d2ui/button.go
@@ -768,7 +768,8 @@ func getButtonLayouts() map[ButtonType]ButtonLayout {
 	}
 }
 
-var _ Widget = &Button{} // static check to ensure button implements widget
+// static check to ensure button implements clickable widget
+var _ ClickableWidget = &Button{}
 
 // Button defines a standard wide UI button
 type Button struct {
diff --git a/d2core/d2ui/checkbox.go b/d2core/d2ui/checkbox.go
index c91bccbe..84984764 100644
--- a/d2core/d2ui/checkbox.go
+++ b/d2core/d2ui/checkbox.go
@@ -6,8 +6,8 @@ import (
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2resource"
 )
 
-// static check that Checkbox implements Widget
-var _ Widget = &Checkbox{}
+// static check that Checkbox implements ClickableWidget
+var _ ClickableWidget = &Checkbox{}
 
 // Checkbox represents a checkbox UI element
 type Checkbox struct {
diff --git a/d2core/d2ui/label.go b/d2core/d2ui/label.go
index 9c5c53dd..3dda47fd 100644
--- a/d2core/d2ui/label.go
+++ b/d2core/d2ui/label.go
@@ -11,6 +11,9 @@ import (
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2util"
 )
 
+// static check if Label implemented Widget
+var _ Widget = &Label{}
+
 // Label represents a user interface label
 type Label struct {
 	*BaseWidget
diff --git a/d2core/d2ui/scrollbar.go b/d2core/d2ui/scrollbar.go
index db41da5d..ba832019 100644
--- a/d2core/d2ui/scrollbar.go
+++ b/d2core/d2ui/scrollbar.go
@@ -13,8 +13,8 @@ const (
 	scrollbarWidth         = 10
 )
 
-// static check that Scrollbar implements widget
-var _ Widget = &Scrollbar{}
+// static check that Scrollbar implements clickable widget
+var _ ClickableWidget = &Scrollbar{}
 
 // Scrollbar is a vertical slider ui element
 type Scrollbar struct {
diff --git a/d2core/d2ui/sprite.go b/d2core/d2ui/sprite.go
index ba2a369d..ed382ec8 100644
--- a/d2core/d2ui/sprite.go
+++ b/d2core/d2ui/sprite.go
@@ -11,6 +11,9 @@ import (
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2util"
 )
 
+// static check if Sprite implemented Widget
+var _ Widget = &Sprite{}
+
 // Sprite is a positioned visual object.
 type Sprite struct {
 	*BaseWidget
diff --git a/d2core/d2ui/textbox.go b/d2core/d2ui/textbox.go
index 9a874024..20ab092b 100644
--- a/d2core/d2ui/textbox.go
+++ b/d2core/d2ui/textbox.go
@@ -11,8 +11,8 @@ import (
 	"github.com/OpenDiablo2/OpenDiablo2/d2common/d2util"
 )
 
-// static check that TextBox implements widget
-var _ Widget = &TextBox{}
+// static check that TextBox implements clickable widget
+var _ ClickableWidget = &TextBox{}
 
 // TextBox represents a text input box
 type TextBox struct {