From 7b52cc13af4e85f1ca2deb6b6c77de9c95ea0dcf Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Fri, 17 Oct 2008 06:10:33 +0000
Subject: First commit - moving from LuaForge to SourceForge

---
 test/lua/rubberband.wlua | 54 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 test/lua/rubberband.wlua

(limited to 'test/lua/rubberband.wlua')

diff --git a/test/lua/rubberband.wlua b/test/lua/rubberband.wlua
new file mode 100644
index 0000000..595373a
--- /dev/null
+++ b/test/lua/rubberband.wlua
@@ -0,0 +1,54 @@
+require("iupcdaux") -- utility module used in some samples
+
+dlg = iupcdaux.new_dialog(w, h)
+cnv = dlg[1]     -- retrieve the IUP canvas
+
+
+function cnv:button_cb(button,pressed,x,y,r)
+  canvas = self.canvas     -- retrieve the CD canvas from the IUP attribute
+
+  -- start drag if button1 is pressed
+  if button ==iup.BUTTON1 and pressed == 1 then
+    y = canvas:UpdateYAxis(y)
+
+    -- prepare for XOR
+    canvas:Foreground(cd.WHITE)
+    canvas:WriteMode(cd.XOR)
+
+    xstart = x
+    ystart = y
+    drag = 1
+    first = 1
+  else
+    if (drag == 1) then
+      drag = 0
+      canvas:Rect(xstart,xend,ystart,yend)
+    end
+  end
+end
+
+
+function cnv:motion_cb(x,y,r)
+  canvas = self.canvas     -- retrieve the CD canvas from the IUP attribute
+
+  if (drag == 1) then
+    y = canvas:UpdateYAxis(y)
+
+    if (first == 1) then
+      first = 0
+    else
+      canvas:Rect(xstart,xend,ystart,yend)
+    end
+
+    canvas:Rect(xstart,x,ystart,y)
+
+    xend = x
+    yend = y
+  end
+end
+
+first = 1
+drag = 0
+
+dlg:show()
+iup.MainLoop()
-- 
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