From 8fc1317f0c3c32e3d75b17260b9b0c3ed810fd76 Mon Sep 17 00:00:00 2001
From: Colin Okay <colin@cicadas.surf>
Date: Sat, 23 Jul 2022 10:44:40 -0500
Subject: [add] menu basics and [example]

---
 examples/13-menus.lisp | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 examples/13-menus.lisp

(limited to 'examples')

diff --git a/examples/13-menus.lisp b/examples/13-menus.lisp
new file mode 100644
index 0000000..66d455c
--- /dev/null
+++ b/examples/13-menus.lisp
@@ -0,0 +1,47 @@
+;;;; menus.lisp
+
+(defpackage #:ww.examples/13
+  (:use #:cl)
+  (:export #:start))
+
+(in-package :ww.examples/13)
+
+(defclass menus-demo (ww::application) ())
+
+(defclass numbered-image (ww::image)
+  ((n :initarg :num :reader num)))
+
+(ww:defhandler option-clicked
+    (ww::on-mousedown (img)
+      (format t "~a was clicked~%" (num img))))
+
+(defmethod ww::boot ((app menus-demo))
+  (let ((vscroller
+          (make-instance 'ww::vscroller
+                         :scroll-speed 10
+                         :region (make-instance 'ww::region
+                                                :left 0 :right 100
+                                                :top 250 :bottom 0))))
+    (loop for i to 10 
+          for img = (make-instance 'numbered-image
+                                   :num i
+                                   :texture (ww:get-asset "Fezghoul.png"))
+          do 
+             (ww::add-handler img #'option-clicked)
+             (ww::add-menu-option vscroller img))
+    (ww:add-unit vscroller)
+    (ww:refocus-on vscroller)))
+
+
+(defun start (&optional (scale 1.0) (side 500))
+  (ww:start
+   (make-instance
+    'menus-demo
+    :fps 30
+    :width (round (* scale side))
+    :height (round (* scale side))
+    :scale scale
+    :title "Canvas demo"
+    :asset-root (merge-pathnames
+                 "examples/"
+                 (asdf:system-source-directory :wheelwork)))))
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