From e1e79af4472feb78b4ec672f768eb8fdd10670fc Mon Sep 17 00:00:00 2001
From: Javier Sancho <jsf@jsancho.org>
Date: Sat, 23 May 2020 09:07:32 +0200
Subject: [PATCH] <gui-button> add-button!

---
 irrlicht.scm     |  2 ++
 irrlicht/gui.scm | 19 ++++++++++++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/irrlicht.scm b/irrlicht.scm
index 5b6481e..1fc0c4f 100644
--- a/irrlicht.scm
+++ b/irrlicht.scm
@@ -40,6 +40,7 @@
                <event-receiver>
                <file-archive>
                <file-system>
+               <gui-button>
                <gui-element>
                <gui-environment>
                <gui-font>
@@ -62,6 +63,7 @@
                ;; methods
                add-animated-mesh-scene-node!
                add-animator!
+               add-button!
                add-camera-scene-node!
                add-camera-scene-node-fps!
                add-cube-scene-node!
diff --git a/irrlicht/gui.scm b/irrlicht/gui.scm
index 5e2017b..86afd9c 100644
--- a/irrlicht/gui.scm
+++ b/irrlicht/gui.scm
@@ -49,6 +49,15 @@
 (define-class <gui-environment> (<reference-counted>)
   (irr-class #:init-value "IGUIEnvironment"))
 
+(define-method (add-button! (gui-environment <gui-environment>) rectangle . rest)
+  (let-keywords rest #f
+        ((parent (make <gui-element>))
+         (id -1)
+         (text "")
+         (tooltiptext ""))
+    (let ((addButton (get-irrlicht-proc "addButton" gui-environment parent)))
+      (addButton gui-environment rectangle parent id text tooltiptext))))
+
 (define-method (add-image! (gui-environment <gui-environment>) image pos . rest)
   (let-keywords rest #f
         ((use-alpha-channel #t)
@@ -85,7 +94,8 @@
   (let ((getSkin (get-irrlicht-proc "getSkin" gui-environment)))
     (getSkin gui-environment)))
 
-(export <gui-environment> add-image! add-static-text! draw-all get-built-in-font get-font get-skin)
+(export <gui-environment> add-button! add-image! add-static-text! draw-all get-built-in-font
+        get-font get-skin)
 
 
 ;; IGUIStaticText
@@ -124,3 +134,10 @@
   (irr-class #:init-value "IGUIFont"))
 
 (export <gui-font>)
+
+
+;; IGUIButton
+(define-class <gui-button> (<gui-element>)
+  (irr-class #:init-value "IGUIButton"))
+
+(export <gui-button>)
-- 
2.39.5