From 5865a7f6b2952011c783e0c60a902bbeb55ca5c7 Mon Sep 17 00:00:00 2001
From: Ale32bit <ale.proto00@gmail.com>
Date: Fri, 27 Nov 2015 22:27:59 +0100
Subject: [PATCH] Create visum.lua

---
 src/apis/visum.lua | 128 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 src/apis/visum.lua

diff --git a/src/apis/visum.lua b/src/apis/visum.lua
new file mode 100644
index 0000000..e1e772a
--- /dev/null
+++ b/src/apis/visum.lua
@@ -0,0 +1,128 @@
+--[[
+ Visum API by Sertex-Team
+ Graphical User Interface API for ComputerCraft 1.7^
+]]--
+
+local aaTypes = {
+	["left"] = true,
+	["center"] = true,
+	["right"] = true,
+}
+
+function version()
+ return 1, "Visum Alpha 1"
+end
+
+function align(aType, text, slow, y)
+ if not aType or not aaTypes[aType] then
+  error('Use "left", "center" or "right" as align')
+ end
+ if not text then
+  error("Undefined text (a nil value)")
+ end
+ local cx, cy = term.getCursorPos()
+ local w, h = term.getSize()
+ if aType == "left" then
+  if not y then
+   y = cy
+  end
+   term.setCursorPos(1,y)
+  if slow then
+   textutils.slowWrite(text)
+  else
+   term.write(text)
+  end
+ elseif aType == "center" then
+  if not y then
+   y = cy
+  end
+  term.setCursorPos(math.ceil(w/2) - math.ceil(#text/2), y)
+  if slow then
+   textutils.slowWrite(text)
+  else
+   term.write(text)
+  end
+  elseif aType == "right" then
+  if not y then
+   y = cy
+  end
+  term.setCursorPos(1+w - #text, y)
+  if slow then
+   textutils.slowWrite(text)
+  else
+   term.write(text)
+  end
+ end
+end
+
+local function drawPixelInternal( xPos, yPos ) -- Paintutils API - Made to prevent paintutils overwrite
+    term.setCursorPos( xPos, yPos )
+    term.write(" ")
+end
+
+function box(startX,startY,endX,endY,nColour) -- Paintutils API - Made to prevent paintutils overwrite
+ if type( startX ) ~= "number" or type( startX ) ~= "number" or
+       type( endX ) ~= "number" or type( endY ) ~= "number" or
+       (nColour ~= nil and type( nColour ) ~= "number") then
+        error( "Expected startX, startY, endX, endY, colour", 2 )
+    end
+
+    startX = math.floor(startX)
+    startY = math.floor(startY)
+    endX = math.floor(endX)
+    endY = math.floor(endY)
+
+    if nColour then
+        term.setBackgroundColor( nColour )
+    end
+    if startX == endX and startY == endY then
+        drawPixelInternal( startX, startY )
+        return
+    end
+
+    local minX = math.min( startX, endX )
+    if minX == startX then
+        minY = startY
+        maxX = endX
+        maxY = endY
+    else
+        minY = endY
+        maxX = startX
+        maxY = startY
+    end
+
+    for x=minX,maxX do
+        for y=minY,maxY do
+            drawPixelInternal( x, y )
+        end
+    end
+end
+
+function buttons(buList)
+ if type(buList) ~= "table" then
+  error("invalid arg #1 (table expected, got "..tostring(type(buList))..")", 1)
+ end
+
+ for k, v in pairs(buList) do
+  box(buList[k][2],buList[k][3],buList[k][4],buList[k][5],buList[k][6])
+  term.setCursorPos(buList[k][2],buList[k][3])
+  term.setTextColor(buList[k][7])
+  print(buList[k][8])
+ end
+ while true do
+  e,mk,mx,my = os.pullEvent()
+  if e == "mouse_click" or e == "monitor_touch" then
+   for k, v in ipairs(buList) do
+    if (mx >= v[2] and my >= v[3]) and (mx <= v[4] and my <= v[5]) then
+     return v[1], v[8], mk
+    end
+   end
+  end
+ end
+end
+
+function menu()
+ 
+end
+
+--More functions will be added