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[bytom/vapor.git] / vendor / github.com / inconshreveable / mousetrap / trap_windows_1.4.go

diff --git a/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go b/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go
new file mode 100644 (file)
index 0000000..9a28e57
--- /dev/null
+++ b/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go
@@ -0,0 +1,46 @@
+// +build windows
+// +build go1.4
+
+package mousetrap
+
+import (
+       "os"
+       "syscall"
+       "unsafe"
+)
+
+func getProcessEntry(pid int) (*syscall.ProcessEntry32, error) {
+       snapshot, err := syscall.CreateToolhelp32Snapshot(syscall.TH32CS_SNAPPROCESS, 0)
+       if err != nil {
+               return nil, err
+       }
+       defer syscall.CloseHandle(snapshot)
+       var procEntry syscall.ProcessEntry32
+       procEntry.Size = uint32(unsafe.Sizeof(procEntry))
+       if err = syscall.Process32First(snapshot, &procEntry); err != nil {
+               return nil, err
+       }
+       for {
+               if procEntry.ProcessID == uint32(pid) {
+                       return &procEntry, nil
+               }
+               err = syscall.Process32Next(snapshot, &procEntry)
+               if err != nil {
+                       return nil, err
+               }
+       }
+}
+
+// StartedByExplorer returns true if the program was invoked by the user double-clicking
+// on the executable from explorer.exe
+//
+// It is conservative and returns false if any of the internal calls fail.
+// It does not guarantee that the program was run from a terminal. It only can tell you
+// whether it was launched from explorer.exe
+func StartedByExplorer() bool {
+       pe, err := getProcessEntry(os.Getppid())
+       if err != nil {
+               return false
+       }
+       return "explorer.exe" == syscall.UTF16ToString(pe.ExeFile[:])
+}