1 files changed, 140 insertions, 0 deletions
diff --git a/xterm.go b/xterm.go
new file mode 100644
index 0000000..d51cc96
--- /dev/null
+++ b/xterm.go
@@ -0,0 +1,140 @@
+package shell
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"go.wit.com/log"
+)
+
+func scanToParent(pid int) (bool, string) {
+	ppid, err := GetPPID(pid)
+	if err != nil {
+		fmt.Println("Error getting PPID:", err)
+		return true, ""
+	}
+
+	comm, err := GetComm(ppid)
+	if err != nil {
+		fmt.Println("Error getting comm:", err)
+		return true, ""
+	}
+
+	log.Info("scanToParent() found:", comm)
+
+	// if this is an xterm
+	switch comm {
+	case "xterm":
+		return true, "xterm"
+	case "mate-terminal":
+		return true, "mate-terminal"
+	case "bash":
+		// keep digging for the parent xterm
+		return scanToParent(ppid)
+	case "make":
+		// keep digging for the parent xterm
+		return scanToParent(ppid)
+	default:
+		return false, comm
+	}
+	if comm == "bash" {
+	}
+
+	ok, better := scanToParent(ppid)
+	if ok {
+		return ok, better
+	}
+	if better == "" {
+		// if the parent was blank, at least return the something that we have
+		// since something is better than nothing
+		return false, comm
+	}
+	return ok, better
+}
+
+// returns a string of the xterm the user is using
+// for example, "xterm" or "mate-terminal"
+func Terminal() string {
+	pid := os.Getpid()
+	_, comm := scanToParent(pid)
+	/*
+	ppid, err := GetPPID(pid)
+	if err != nil {
+		fmt.Println("Error getting PPID:", err)
+		return ""
+	}
+
+	comm, err := GetComm(ppid)
+	if err != nil {
+		fmt.Println("Error getting comm:", err)
+		return ""
+	}
+	*/
+
+	return comm
+}
+
+// returns a string of the shell the user is using
+func Shell() string {
+	envsh := os.Getenv("SHELL")
+	switch envsh {
+	case "/bin/bash":
+		return "bash"
+	default:
+		return envsh
+	}
+	return envsh
+}
+
+func getXtermCmd(cmd []string) []string {
+	var term string
+	// doesn't work yet
+	// term = Terminal()
+	term = "xterm"
+	switch term {
+	case "mate-terminal":
+		newcmd := []string{"mate-terminal", "-e"}
+		newcmd = append(newcmd, cmd...)
+		return newcmd
+	default:
+		// unknown terminal. use xterm
+		newcmd := []string{"xterm", "-geometry", "140x32", "-e", "bash", "-c"}
+		// fix/shell escape sequence this for quote chars, etc
+		// tmp := "\"" + strings.Join(cmd, " ") + ";bash\""
+		newcmd = append(newcmd, cmd...)
+		// newcmd = append(newcmd, cmd...)
+		return newcmd
+	}
+}
+
+// spawns an xterm with something you can run at a command line
+func XtermCmd(path string, cmd []string) {
+	go XtermCmdWait(path, cmd)
+}
+
+// runs an xterm
+// waits until xterm exits
+func XtermCmdWait(path string, cmd []string) {
+	var argsXterm = getXtermCmd(cmd)
+
+	log.Info("XtermCmd() path =", path, "cmd =", argsXterm)
+
+	// keeps git diff from exiting on small diffs
+	os.Setenv("LESS", "-+F -+X -R")
+
+	RunCmdRun(path, argsXterm)
+}
+
+// spawns an xterm with something you can run at a command line
+// then executes bash
+func XtermCmdBash(path string, cmd []string) {
+	var tmp []string
+	var argsXterm = getXtermCmd(cmd)
+	bash := "\"-c '"
+	bash += strings.Join(cmd, " ")
+	bash += "'; bash\""
+	tmp = append(argsXterm, "bash", bash)
+	log.Info("XtermCmd() path =", path, "cmd =", tmp)
+	go RunCmd(path, tmp)
+}