Serge Bazanski | 31dd616 | 2018-10-25 14:20:50 +0200 | [diff] [blame] | 1 | // +build windows |
| 2 | // +build go1.4 |
| 3 | |
| 4 | package mousetrap |
| 5 | |
| 6 | import ( |
| 7 | "os" |
| 8 | "syscall" |
| 9 | "unsafe" |
| 10 | ) |
| 11 | |
| 12 | func getProcessEntry(pid int) (*syscall.ProcessEntry32, error) { |
| 13 | snapshot, err := syscall.CreateToolhelp32Snapshot(syscall.TH32CS_SNAPPROCESS, 0) |
| 14 | if err != nil { |
| 15 | return nil, err |
| 16 | } |
| 17 | defer syscall.CloseHandle(snapshot) |
| 18 | var procEntry syscall.ProcessEntry32 |
| 19 | procEntry.Size = uint32(unsafe.Sizeof(procEntry)) |
| 20 | if err = syscall.Process32First(snapshot, &procEntry); err != nil { |
| 21 | return nil, err |
| 22 | } |
| 23 | for { |
| 24 | if procEntry.ProcessID == uint32(pid) { |
| 25 | return &procEntry, nil |
| 26 | } |
| 27 | err = syscall.Process32Next(snapshot, &procEntry) |
| 28 | if err != nil { |
| 29 | return nil, err |
| 30 | } |
| 31 | } |
| 32 | } |
| 33 | |
| 34 | // StartedByExplorer returns true if the program was invoked by the user double-clicking |
| 35 | // on the executable from explorer.exe |
| 36 | // |
| 37 | // It is conservative and returns false if any of the internal calls fail. |
| 38 | // It does not guarantee that the program was run from a terminal. It only can tell you |
| 39 | // whether it was launched from explorer.exe |
| 40 | func StartedByExplorer() bool { |
| 41 | pe, err := getProcessEntry(os.Getppid()) |
| 42 | if err != nil { |
| 43 | return false |
| 44 | } |
| 45 | return "explorer.exe" == syscall.UTF16ToString(pe.ExeFile[:]) |
| 46 | } |