Countdown Overlay

#NoEnv
#SingleInstance, Force
SetBatchLines, -1

; ---------------------- PROJECT CODE BELOW ----------------------

Menu, Tray, Icon, Shell32.dll, 3 ; Custom Icon pulled from Shell32
Menu, tray, tip, %A_ScriptName% ; Custom traytip

Gui, GUI_Overlay:New, +ToolWindow +LastFound +AlwaysOnTop -Caption +hwndGUI_Overlay_hwnd
Gui, Margin, 10, 10
Gui, Font, s40 q4, Segoe UI Bold
Gui, Add, Text, w400 Center vTEXT_Timer cWhite, %timerCount% seconds
Gui, Color, 000000
WinSet, Transparent, 200

; Trigger hotkey
2::
    timerCount := 20 ; Change me
    GuiControl, GUI_Overlay:, TEXT_Timer, %timerCount% seconds
    Gui, GUI_Overlay:Show, x20 y20 NoActivate
    SetTimer, Timer_Countdown, 1000
return

; Does the countdown and updating of the timer
Timer_Countdown:
    if (timerCount == 1) {
        SetTimer, Timer_Countdown, Off
        Gui, Gui_Overlay:Hide
    }
    timerCount--
    GuiControl, GUI_Overlay:, TEXT_Timer, %timerCount% seconds
return

Esc::
ExitApp