###### Volume On-Screen-Display (OSD) -- by Rajat

This script assigns hotkeys of your choice to raise and lower the master and/or wave volume. Both volumes are displayed as different color bar graphs.

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    ;_________________________________________________
    ;_______User Settings_____________________________

    ; Make customisation only in this area or hotkey area only!!

    ; The percentage by which to raise or lower the volume each time:
    vol_Step = 4

    ; How long to display the volume level bar graphs:
    vol_DisplayTime = 2000

    ; Master Volume Bar color (see the help file to use more
    ; precise shades):
    vol_CBM = Red

    ; Wave Volume Bar color
    vol_CBW = Blue

    ; Background color
    vol_CW = Silver

    ; Bar's screen position.  Use -1 to center the bar in that dimension:
    vol_PosX = -1
    vol_PosY = -1
    vol_Width = 150  ; width of bar
    vol_Thick = 12   ; thickness of bar

    ; If your keyboard has multimedia buttons for Volume, you can
    ; try changing the below hotkeys to use them by specifying
    ; Volume_Up, ^Volume_Up, Volume_Down, and ^Volume_Down:
    HotKey, #Up, vol_MasterUp      ; Win+UpArrow
    HotKey, #Down, vol_MasterDown
    HotKey, +#Up, vol_WaveUp       ; Shift+Win+UpArrow
    HotKey, +#Down, vol_WaveDown

    ;___________________________________________
    ;_____Auto Execute Section__________________

    ; DON'T CHANGE ANYTHING HERE (unless you know what you're doing).

    vol_BarOptionsMaster = 1:B ZH%vol_Thick% ZX0 ZY0 W%vol_Width% CB%vol_CBM% CW%vol_CW%
    vol_BarOptionsWave   = 2:B ZH%vol_Thick% ZX0 ZY0 W%vol_Width% CB%vol_CBW% CW%vol_CW%

    ; If the X position has been specified, add it to the options.
    ; Otherwise, omit it to center the bar horizontally:
    if vol_PosX >= 0
    {
        vol_BarOptionsMaster = %vol_BarOptionsMaster% X%vol_PosX%
        vol_BarOptionsWave   = %vol_BarOptionsWave% X%vol_PosX%
    }

    ; If the Y position has been specified, add it to the options.
    ; Otherwise, omit it to have it calculated later:
    if vol_PosY >= 0
    {
        vol_BarOptionsMaster = %vol_BarOptionsMaster% Y%vol_PosY%
        vol_PosY_wave = %vol_PosY%
        vol_PosY_wave += %vol_Thick%
        vol_BarOptionsWave = %vol_BarOptionsWave% Y%vol_PosY_wave%
    }

    #SingleInstance
    SetBatchLines, 10ms
    Return

    ;___________________________________________

    vol_WaveUp:
    SoundSet, +%vol_Step%, Wave
    Gosub, vol_ShowBars
    return

    vol_WaveDown:
    SoundSet, -%vol_Step%, Wave
    Gosub, vol_ShowBars
    return

    vol_MasterUp:
    SoundSet, +%vol_Step%
    Gosub, vol_ShowBars
    return

    vol_MasterDown:
    SoundSet, -%vol_Step%
    Gosub, vol_ShowBars
    return

    vol_ShowBars:
    ; To prevent the "flashing" effect, only create the bar window if it
    ; doesn't already exist:
    IfWinNotExist, vol_Wave
        Progress, %vol_BarOptionsWave%, , , vol_Wave
    IfWinNotExist, vol_Master
    {
        ; Calculate position here in case screen resolution changes while
        ; the script is running:
        if vol_PosY < 0
        {
            ; Create the Wave bar just above the Master bar:
            WinGetPos, , vol_Wave_Posy, , , vol_Wave
            vol_Wave_Posy -= %vol_Thick%
            Progress, %vol_BarOptionsMaster% Y%vol_Wave_Posy%, , , vol_Master
        }
        else
            Progress, %vol_BarOptionsMaster%, , , vol_Master
    }
    ; Get both volumes in case the user or an external program changed them:
    SoundGet, vol_Master, Master
    SoundGet, vol_Wave, Wave
    Progress, 1:%vol_Master%
    Progress, 2:%vol_Wave%
    SetTimer, vol_BarOff, %vol_DisplayTime%
    return

    vol_BarOff:
    SetTimer, vol_BarOff, off
    Progress, 1:Off
    Progress, 2:Off
    return