#Requires AutoHotkey v2.0
#SingleInstance Force

; Context-sensitive middle mouse button
;
; Behavior:
;   Cursor is I-beam (text field) → left-click to focus + position, then Ctrl+V
;   Window is a known terminal    → same
;   Everything else               → real middle click (close tab, taskbar preview, etc.)

MButton:: {
    static terminalProcesses := ["WindowsTerminal.exe", "mintty.exe", "putty.exe", "ConEmu64.exe", "ConEmu.exe", "alacritty.exe"]

    ; Capture cursor shape BEFORE any clicks
    shouldPaste := IsIBeamCursor()

    if !shouldPaste {
        MouseGetPos(&mx, &my, &hWnd)
        try {
            proc := WinGetProcessName("ahk_id " hWnd)
            for name in terminalProcesses {
                if (proc = name) {
                    shouldPaste := true
                    break
                }
            }
        }
    }

    if shouldPaste {
        Click  ; left-click at current position — activates window and places cursor
        Send("^v")
    } else
        Send("{MButton}")
}

IsIBeamCursor() {
    static iBeam := DllCall("LoadCursor", "ptr", 0, "ptr", 32513, "ptr")
    ci := Buffer(24, 0)
    NumPut("uint", 24, ci, 0)
    DllCall("GetCursorInfo", "ptr", ci)
    cursor := NumGet(ci, 8, "ptr")
    return cursor == iBeam
}