import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
+import java.lang.reflect.Field;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
*/
private TVScroller vScroller;
+ /**
+ * Claim the keystrokes the emulator will need.
+ */
+ private void addShortcutKeys() {
+ addShortcutKeypress(kbCtrlA);
+ addShortcutKeypress(kbCtrlB);
+ addShortcutKeypress(kbCtrlC);
+ addShortcutKeypress(kbCtrlD);
+ addShortcutKeypress(kbCtrlE);
+ addShortcutKeypress(kbCtrlF);
+ addShortcutKeypress(kbCtrlG);
+ addShortcutKeypress(kbCtrlH);
+ addShortcutKeypress(kbCtrlU);
+ addShortcutKeypress(kbCtrlJ);
+ addShortcutKeypress(kbCtrlK);
+ addShortcutKeypress(kbCtrlL);
+ addShortcutKeypress(kbCtrlM);
+ addShortcutKeypress(kbCtrlN);
+ addShortcutKeypress(kbCtrlO);
+ addShortcutKeypress(kbCtrlP);
+ addShortcutKeypress(kbCtrlQ);
+ addShortcutKeypress(kbCtrlR);
+ addShortcutKeypress(kbCtrlS);
+ addShortcutKeypress(kbCtrlT);
+ addShortcutKeypress(kbCtrlU);
+ addShortcutKeypress(kbCtrlV);
+ addShortcutKeypress(kbCtrlW);
+ addShortcutKeypress(kbCtrlX);
+ addShortcutKeypress(kbCtrlY);
+ addShortcutKeypress(kbCtrlZ);
+ addShortcutKeypress(kbF1);
+ addShortcutKeypress(kbF2);
+ addShortcutKeypress(kbF3);
+ addShortcutKeypress(kbF4);
+ addShortcutKeypress(kbF5);
+ addShortcutKeypress(kbF6);
+ addShortcutKeypress(kbF7);
+ addShortcutKeypress(kbF8);
+ addShortcutKeypress(kbF9);
+ addShortcutKeypress(kbF10);
+ addShortcutKeypress(kbF11);
+ addShortcutKeypress(kbF12);
+ addShortcutKeypress(kbAltA);
+ addShortcutKeypress(kbAltB);
+ addShortcutKeypress(kbAltC);
+ addShortcutKeypress(kbAltD);
+ addShortcutKeypress(kbAltE);
+ addShortcutKeypress(kbAltF);
+ addShortcutKeypress(kbAltG);
+ addShortcutKeypress(kbAltH);
+ addShortcutKeypress(kbAltU);
+ addShortcutKeypress(kbAltJ);
+ addShortcutKeypress(kbAltK);
+ addShortcutKeypress(kbAltL);
+ addShortcutKeypress(kbAltM);
+ addShortcutKeypress(kbAltN);
+ addShortcutKeypress(kbAltO);
+ addShortcutKeypress(kbAltP);
+ addShortcutKeypress(kbAltQ);
+ addShortcutKeypress(kbAltR);
+ addShortcutKeypress(kbAltS);
+ addShortcutKeypress(kbAltT);
+ addShortcutKeypress(kbAltU);
+ addShortcutKeypress(kbAltV);
+ addShortcutKeypress(kbAltW);
+ addShortcutKeypress(kbAltX);
+ addShortcutKeypress(kbAltY);
+ addShortcutKeypress(kbAltZ);
+ }
+
/**
* Public constructor spawns a shell.
*
// You cannot run a login shell in a bare Process interactively,
// due to libc's behavior of buffering when stdin/stdout aren't a
- // tty. Use 'script' instead to run a shell in a pty.
- String [] cmdShell = {
+ // tty. Use 'script' instead to run a shell in a pty. And
+ // because BSD and GNU differ on the '-f' vs '-F' flags, we need
+ // two different commands. Lovely.
+ String [] cmdShellGNU = {
"script", "-fqe", "/dev/null"
};
+ String [] cmdShellBSD = {
+ "script", "-q", "-F", "/dev/null"
+ };
// Spawn a shell and pass its I/O to the other constructor.
ProcessBuilder pb;
if (System.getProperty("os.name").startsWith("Windows")) {
pb = new ProcessBuilder(cmdShellWindows);
+ } else if (System.getProperty("os.name").startsWith("Mac")) {
+ pb = new ProcessBuilder(cmdShellBSD);
+ } else if (System.getProperty("os.name").startsWith("Linux")) {
+ pb = new ProcessBuilder(cmdShellGNU);
} else {
- pb = new ProcessBuilder(cmdShell);
+ // When all else fails, assume GNU.
+ pb = new ProcessBuilder(cmdShellGNU);
}
Map<String, String> env = pb.environment();
env.put("TERM", ECMA48.deviceTypeTerm(deviceType));
// Setup the scroll bars
onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(),
getHeight()));
+
+ // Claim the keystrokes the emulator will need.
+ addShortcutKeys();
+
+ // Add shortcut text
+ newStatusBar("Terminal session executing...");
+ }
+
+ /**
+ * Terminate the child of the 'script' process used on POSIX. This may
+ * or may not work.
+ */
+ private void terminateShellChildProcess() {
+ int pid = -1;
+ if (shell.getClass().getName().equals("java.lang.UNIXProcess")) {
+ /* get the PID on unix/linux systems */
+ try {
+ Field field = shell.getClass().getDeclaredField("pid");
+ field.setAccessible(true);
+ pid = field.getInt(shell);
+ } catch (Throwable e) {
+ // SQUASH, this didn't work. Just bail out quietly.
+ return;
+ }
+ }
+ if (pid != -1) {
+ // shell.destroy() works successfully at killing this side of
+ // 'script'. But we need to make sure the other side (child
+ // process) is also killed.
+ String [] cmdKillIt = {
+ "pkill", "-P", Integer.toString(pid)
+ };
+ try {
+ Runtime.getRuntime().exec(cmdKillIt);
+ } catch (Throwable e) {
+ // SQUASH, this didn't work. Just bail out quietly.
+ return;
+ }
+ }
}
/**
onResize(new TResizeEvent(TResizeEvent.Type.WIDGET, getWidth(),
getHeight()));
+ // Claim the keystrokes the emulator will need.
+ addShortcutKeys();
+
+ // Add shortcut text
+ newStatusBar("Terminal session executing...");
}
/**
/**
* Handle window close.
*/
- @Override public void onClose() {
+ @Override
+ public void onClose() {
+ emulator.close();
if (shell != null) {
+ terminateShellChildProcess();
shell.destroy();
shell = null;
- } else {
- emulator.close();
}
}
getTitle(), rc));
shell = null;
emulator.close();
+ clearShortcutKeypresses();
+ statusBar.setText("Terminal session completed, exit " +
+ "code " + rc + ".");
} catch (IllegalThreadStateException e) {
// The emulator thread has exited, but the shell Process
// hasn't figured that out yet. Do nothing, we will see
getTitle(), rc));
shell = null;
emulator.close();
+ clearShortcutKeypresses();
+ statusBar.setText("Terminal session completed, exit " +
+ "code " + rc + ".");
} catch (IllegalThreadStateException e) {
// The shell is still running, do nothing.
}
git://git.nikiroo.be / fanfix.git / blobdiff