function widget:GetInfo()
  return {
    name      = "replay control buttons",
    desc      = "GUI for votes",
    author    = "knorke",
    date      = "August 2012",
    license   = "stackable",
    layer     = -9,
    enabled   = true  --  loaded by my horse?
  }
end

local Chili
local Button
local Label
local Window
local Panel
local TextBox
local Image
local Progressbar
local Control
local Font

-- elements
local window
local button_setspeed = {}
local button_skipPreGame
local button_startStop

local speeds = {0.5, 1, 2, 3, 4, 5,10}

local isPaused = false
local wantedSpeed = nil


function widget:Initialize()
    if (not Spring.IsReplay()) then
        Spring.Echo ("replaycontrol: Not a replay, removing myself.")
        widgetHandler:RemoveWidget()
        Spring.Echo ("replaycontrol: LOL did not work")
    end
    -- setup Chili
    Chili = WG.Chili
    Button = Chili.Button
    Label = Chili.Label
    Colorbars = Chili.Colorbars
    Window = Chili.Window
    StackPanel = Chili.StackPanel
    Image = Chili.Image
    Progressbar = Chili.Progressbar
    Control = Chili.Control
    screen0 = Chili.Screen0

    --create main Chili elements
    local screenWidth,screenHeight = Spring.GetWindowGeometry()
    local height = tostring(math.floor(screenWidth/screenHeight*0.35*0.35*100)) .. "%"
    local y = tostring(math.floor((1-screenWidth/screenHeight*0.35*0.35)*100)) .. "%"

    local labelHeight = 24
    local fontSize = 16

    window = Window:New{
        --parent = screen0,
        name   = 'replaycontroller';
        color = {255, 255, 255, 255},
        width = 300;
        height = 85;
        right = 10;
        y = "20%";
        dockable = false;
        draggable = true,
        resizable = false,
        tweakDraggable = true,
        tweakResizable = false,
        minWidth = MIN_WIDTH,
        minHeight = MIN_HEIGHT,
        padding = {0, 0, 0, 0},
        --itemMargin  = {0, 0, 0, 0},
        --caption = "replay control"
    }

    for i = 1, #speeds do
        button_setspeed[i] = Button:New {
        width = 40,
        height = 20,
        y = 30,
        x = 10+(i-1)*40,
        parent=window;
        padding = {0, 0, 0,0},
        margin = {0, 0, 0, 0},
        backgroundColor = {1, 1, 0, 255},
        caption=speeds[i] .."x",
        tooltip = "play at " .. speeds[i] .. "x speed";
        OnMouseDown = {function()
            setReplaySpeed (speeds[i], i)
            button_setspeed.backgroundColor = {0, 0, 1, 1}
            end}
    }
    end

    button_skipPreGame = Button:New {
        width = 180,
        height = 20,
        y = 55,
        x = 100,
        parent=window;
        padding = {0, 0, 0,0},
        margin = {0, 0, 0, 0},
        backgroundColor = {1, 1, 1, 1},
        caption="skip pregame chatter",
        tooltip = "Skip the pregame chat and startposition chosing, directly to the action!";
        OnMouseDown = {function()
            skipPreGameChatter ()
            end}
    }

    button_startStop = Button:New {
        width = 80,
        height = 20,
        y = 55,
        x = 10,
        parent=window;
        padding = {0, 0, 0,0},
        margin = {0, 0, 0, 0},
        backgroundColor = {1, 1, 1, 1},
        caption="pause", --pause/continue
        tooltip = "pause or continue playback";
        OnMouseDown = {function()
            if (isPaused) then
                unpause ()
            else
                pause ()
            end
            end}
    }

    progress_speed = Progressbar:New{
            parent = window,
            y = 8,
            x       = 10,
            width   = 280,
            height  = 20,
            max     = #speeds;
            caption = "replay speed";
            color   = (i == 1 and {0.2,0.9,0.3,1}) or {0.9,0.15,0.2,1};
            value = 1 +1,
        }

    screen0:AddChild(window)

end

function pause ()
    Spring.Echo ("playback paused")
    Spring.SendCommands ("pause 1")
    isPaused = true
    button_startStop:SetCaption ("play")
    --window:SetColor ({1,0,0, 1})
    --window:SetCaption ("trololo")--button stays pressed down and game lags    ANY INVALID CODE MAKES IT LAG, REASON WHY COM MORPH LAGS?
end

function unpause ()
    Spring.Echo ("playback continued")
    Spring.SendCommands ("pause 0")
    isPaused = false
    button_startStop:SetCaption ("pause")
end


function setReplaySpeed (speed, i)
    --put something invalid in these button function like:
    --doesNotExist[3] = 5
    --and there will be no error message. However, the game will stutter for a second

    local s = Spring.GetGameSpeed()
    --Spring.Echo ("setting speed to: " .. speed .. " current is " .. s)
    if (speed > s) then --speedup
        Spring.SendCommands ("setminspeed " .. speed)
        Spring.SendCommands ("setminspeed " ..0.1)
    else    --slowdown
        wantedSpeed = speed
        --[[
        --does not work:
        Spring.SendCommands ("slowdown")
        Spring.SendCommands ("slowdown")
        Spring.SendCommands ("slowdown")
        Spring.SendCommands ("slowdown")
        Spring.SendCommands ("slowdown")
        --does not work:
        local i = 0
        while (Spring.GetGameSpeed() > speed and i < 50) do
            --Spring.SendCommands ("setminspeed " ..0.4)
            --Spring.SendCommands ("setmaxpeed " .. speed)
            Spring.SendCommands ("slowdown")
            i=i+1
        end
        --]]
    end
    --Spring.SendCommands ("setmaxpeed " .. speed)
    progress_speed:SetValue(i)
end

function widget:Update()
    if (wantedSpeed) then
        if (Spring.GetGameSpeed() > wantedSpeed) then
            Spring.SendCommands ("slowdown")
        else
            wantedSpeed = nil
        end
    end
end

function widget:GameFrame (f)
    if (f==1) then
        window:RemoveChild(button_skipPreGame)
    end
end

function skipPreGameChatter ()
    Spring.Echo ("skipping pre game chatter")
    Spring.SendCommands ("skip 1")
    window:RemoveChild(button_skipPreGame)
end