guiTools

guiTools = {}

function guiTools.saveCursor()
    guiTools.cX,guiTools.cY = term.getCursorPos()
end

function guiTools.restoreCursor()
    term.setCursorPos(guiTools.cX,guiTools.cY)
end

function guiTools.printBorder(borderColor)
    term.setCursorPos(1,1)
    term.setBackgroundColor(borderColor)
    local w,h = term.getSize()
    term.write( string.rep( " ", w ) )
    term.setCursorPos(1,h)
    term.write( string.rep( " ", w ) )
    for i=2,h-1,1 do
        term.setCursorPos(1,i)
        term.write(" ")
        term.setCursorPos(w,i)
        term.write(" ")
    end
end

function guiTools.drawRect(x,y,w,h,color)
    guiTools.saveCursor()
    term.setBackgroundColor(color)
    --term.setCursorPos(x,y)
    for dY=1,h,1 do
        term.setCursorPos(x,y+dY-1)
        term.write(string.rep(" ",w))
    end
    guiTools.restoreCursor()
end

function guiTools.clearArea(x,y,w,h)
    guiTools.drawRect(x,y,w,h,colors.black)
end

function guiTools.padString(inStr,num)
    --error(inStr)
    local add = num-string.len(inStr)
    if add > 0 then return inStr..string.rep(" ",add)
    else return inStr end
end