*/
package jexer;
-import java.io.InputStream;
import java.io.IOException;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
import java.lang.reflect.Field;
+import java.text.MessageFormat;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
+import java.util.ResourceBundle;
import jexer.bits.Cell;
import jexer.bits.CellAttributes;
import jexer.event.TKeypressEvent;
+import jexer.event.TMenuEvent;
import jexer.event.TMouseEvent;
import jexer.event.TResizeEvent;
+import jexer.menu.TMenu;
import jexer.tterminal.DisplayLine;
+import jexer.tterminal.DisplayListener;
import jexer.tterminal.ECMA48;
import static jexer.TKeypress.*;
/**
* TTerminalWindow exposes a ECMA-48 / ANSI X3.64 style terminal in a window.
*/
-public class TTerminalWindow extends TWindow {
+public class TTerminalWindow extends TScrollableWindow
+ implements DisplayListener {
+
+
+ /**
+ * Translated strings.
+ */
+ private static final ResourceBundle i18n = ResourceBundle.getBundle(TTerminalWindow.class.getName());
/**
* The emulator.
private Process shell;
/**
- * Vertical scrollbar.
+ * If true, we are using the ptypipe utility to support dynamic window
+ * resizing. ptypipe is available at
+ * https://github.com/klamonte/ptypipe .
*/
- private TVScroller vScroller;
+ private boolean ptypipe = false;
/**
* Claim the keystrokes the emulator will need.
}
/**
- * Public constructor spawns a shell.
+ * Spawn the shell.
*
- * @param application TApplication that manages this window
- * @param x column relative to parent
- * @param y row relative to parent
- * @param flags mask of CENTERED, MODAL, or RESIZABLE
+ * @param commandLine the command line to execute
*/
- public TTerminalWindow(final TApplication application, final int x,
- final int y, final int flags) {
+ private void spawnShell(final String commandLine) {
- super(application, "Terminal", x, y, 80 + 2, 24 + 2, flags);
+ vScroller = new TVScroller(this, getWidth() - 2, 0, getHeight() - 2);
+ setBottomValue(0);
// Assume XTERM
ECMA48.DeviceType deviceType = ECMA48.DeviceType.XTERM;
try {
- String [] cmdShellWindows = {
- "cmd.exe"
- };
-
- // 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. 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 {
- // When all else fails, assume GNU.
- pb = new ProcessBuilder(cmdShellGNU);
- }
+ String [] command = commandLine.split("\\s");
+ ProcessBuilder pb = new ProcessBuilder(command);
Map<String, String> env = pb.environment();
env.put("TERM", ECMA48.deviceTypeTerm(deviceType));
env.put("LANG", ECMA48.deviceTypeLang(deviceType, "en"));
pb.redirectErrorStream(true);
shell = pb.start();
emulator = new ECMA48(deviceType, shell.getInputStream(),
- shell.getOutputStream());
+ shell.getOutputStream(), this);
} catch (IOException e) {
- e.printStackTrace();
+ messageBox(i18n.getString("errorLaunchingShellTitle"),
+ MessageFormat.format(i18n.getString("errorLaunchingShellText"),
+ e.getMessage()));
}
// Setup the scroll bars
addShortcutKeys();
// Add shortcut text
- newStatusBar("Terminal session executing...");
+ newStatusBar(i18n.getString("statusBarRunning"));
+ }
+
+ /**
+ * Public constructor spawns a custom command line.
+ *
+ * @param application TApplication that manages this window
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param commandLine the command line to execute
+ */
+ public TTerminalWindow(final TApplication application, final int x,
+ final int y, final String commandLine) {
+
+ this(application, x, y, RESIZABLE, commandLine);
+ }
+
+ /**
+ * Public constructor spawns a custom command line.
+ *
+ * @param application TApplication that manages this window
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param flags mask of CENTERED, MODAL, or RESIZABLE
+ * @param commandLine the command line to execute
+ */
+ public TTerminalWindow(final TApplication application, final int x,
+ final int y, final int flags, final String commandLine) {
+
+ super(application, i18n.getString("windowTitle"), x, y,
+ 80 + 2, 24 + 2, flags);
+
+ String cmdShellWindows = "cmd.exe /c" + commandLine;
+ String cmdShellGNU = "script -fqe /dev/null -c " + commandLine;
+ String cmdShellBSD = "script -q -F /dev/null -c " + commandLine;
+ String cmdShellPtypipe = "ptypipe " + commandLine;
+
+ // Spawn a shell and pass its I/O to the other constructor.
+ if ((System.getProperty("jexer.TTerminal.ptypipe") != null)
+ && (System.getProperty("jexer.TTerminal.ptypipe").
+ equals("true"))
+ ) {
+ ptypipe = true;
+ spawnShell(cmdShellPtypipe);
+ } else if (System.getProperty("os.name").startsWith("Windows")) {
+ spawnShell(cmdShellWindows);
+ } else if (System.getProperty("os.name").startsWith("Mac")) {
+ spawnShell(cmdShellBSD);
+ } else if (System.getProperty("os.name").startsWith("Linux")) {
+ spawnShell(cmdShellGNU);
+ } else {
+ // When all else fails, assume GNU.
+ spawnShell(cmdShellGNU);
+ }
+ }
+
+ /**
+ * Public constructor spawns a shell.
+ *
+ * @param application TApplication that manages this window
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param flags mask of CENTERED, MODAL, or RESIZABLE
+ */
+ public TTerminalWindow(final TApplication application, final int x,
+ final int y, final int flags) {
+
+ super(application, i18n.getString("windowTitle"), x, y,
+ 80 + 2, 24 + 2, flags);
+
+ String cmdShellWindows = "cmd.exe";
+
+ // 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. 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";
+
+ // ptypipe is another solution that permits dynamic window resizing.
+ String cmdShellPtypipe = "ptypipe /bin/bash --login";
+
+ // Spawn a shell and pass its I/O to the other constructor.
+ if ((System.getProperty("jexer.TTerminal.ptypipe") != null)
+ && (System.getProperty("jexer.TTerminal.ptypipe").
+ equals("true"))
+ ) {
+ ptypipe = true;
+ spawnShell(cmdShellPtypipe);
+ } else if (System.getProperty("os.name").startsWith("Windows")) {
+ spawnShell(cmdShellWindows);
+ } else if (System.getProperty("os.name").startsWith("Mac")) {
+ spawnShell(cmdShellBSD);
+ } else if (System.getProperty("os.name").startsWith("Linux")) {
+ spawnShell(cmdShellGNU);
+ } else {
+ // When all else fails, assume GNU.
+ spawnShell(cmdShellGNU);
+ }
}
/**
}
}
- /**
- * Public constructor.
- *
- * @param application TApplication that manages this window
- * @param x column relative to parent
- * @param y row relative to parent
- * @param flags mask of CENTERED, MODAL, or RESIZABLE
- * @param input an InputStream connected to the remote side. For type ==
- * XTERM, input is converted to a Reader with UTF-8 encoding.
- * @param output an OutputStream connected to the remote user. For type
- * == XTERM, output is converted to a Writer with UTF-8 encoding.
- * @throws UnsupportedEncodingException if an exception is thrown when
- * creating the InputStreamReader
- */
- public TTerminalWindow(final TApplication application, final int x,
- final int y, final int flags, final InputStream input,
- final OutputStream output) throws UnsupportedEncodingException {
-
- super(application, "Terminal", x, y, 80 + 2, 24 + 2, flags);
-
- emulator = new ECMA48(ECMA48.DeviceType.XTERM, input, output);
-
- // 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...");
- }
-
/**
* Draw the display buffer.
*/
synchronized (emulator) {
// Update the scroll bars
- reflow();
+ reflowData();
// Draw the box using my superclass
super.draw();
// Put together the visible rows
int visibleHeight = getHeight() - 2;
int visibleBottom = scrollback.size() + display.size()
- + vScroller.getValue();
+ + getVerticalValue();
assert (visibleBottom >= 0);
List<DisplayLine> preceedingBlankLines = new LinkedList<DisplayLine>();
}
+ /**
+ * Called by emulator when fresh data has come in.
+ */
+ public void displayChanged() {
+ getApplication().postEvent(new TMenuEvent(TMenu.MID_REPAINT));
+ }
+
+ /**
+ * Function to call to obtain the display width.
+ *
+ * @return the number of columns in the display
+ */
+ public int getDisplayWidth() {
+ if (ptypipe) {
+ return getWidth() - 2;
+ }
+ return 80;
+ }
+
+ /**
+ * Function to call to obtain the display height.
+ *
+ * @return the number of rows in the display
+ */
+ public int getDisplayHeight() {
+ if (ptypipe) {
+ return getHeight() - 2;
+ }
+ return 24;
+ }
+
/**
* Handle window close.
*/
}
}
+ /**
+ * Hook for subclasses to be notified of the shell termination.
+ */
+ public void onShellExit() {
+ getApplication().postEvent(new TMenuEvent(TMenu.MID_REPAINT));
+ }
+
/**
* Copy out variables from the emulator that TTerminal has to expose on
* screen.
setCursorX(emulator.getCursorX() + 1);
setCursorY(emulator.getCursorY() + 1
- + (getHeight() - 2 - emulator.getHeight()));
- if (vScroller != null) {
- setCursorY(getCursorY() - vScroller.getValue());
- }
+ + (getHeight() - 2 - emulator.getHeight())
+ - getVerticalValue());
setCursorVisible(emulator.isCursorVisible());
if (getCursorX() > getWidth() - 2) {
setCursorVisible(false);
try {
int rc = shell.exitValue();
// The emulator exited on its own, all is fine
- setTitle(String.format("%s [Completed - %d]",
- getTitle(), rc));
+ setTitle(MessageFormat.format(i18n.
+ getString("windowTitleCompleted"), getTitle(), rc));
shell = null;
emulator.close();
clearShortcutKeypresses();
- statusBar.setText("Terminal session completed, exit " +
- "code " + rc + ".");
+ statusBar.setText(MessageFormat.format(i18n.
+ getString("statusBarCompleted"), rc));
+ onShellExit();
} catch (IllegalThreadStateException e) {
// The emulator thread has exited, but the shell Process
// hasn't figured that out yet. Do nothing, we will see
try {
int rc = shell.exitValue();
// If we got here, the shell died.
- setTitle(String.format("%s [Completed - %d]",
- getTitle(), rc));
+ setTitle(MessageFormat.format(i18n.
+ getString("windowTitleCompleted"), getTitle(), rc));
shell = null;
emulator.close();
clearShortcutKeypresses();
- statusBar.setText("Terminal session completed, exit " +
- "code " + rc + ".");
+ statusBar.setText(MessageFormat.format(i18n.
+ getString("statusBarCompleted"), rc));
+ onShellExit();
} catch (IllegalThreadStateException e) {
// The shell is still running, do nothing.
}
if (resize.getType() == TResizeEvent.Type.WIDGET) {
// Resize the scroll bars
- reflow();
+ reflowData();
+ placeScrollbars();
// Get out of scrollback
- vScroller.setValue(0);
+ setVerticalValue(0);
+
+ if (ptypipe) {
+ emulator.setWidth(getWidth() - 2);
+ emulator.setHeight(getHeight() - 2);
+
+ emulator.writeRemote("\033[8;" + (getHeight() - 2) + ";" +
+ (getWidth() - 2) + "t");
+ }
}
return;
/**
* Resize scrollbars for a new width/height.
*/
- private void reflow() {
+ @Override
+ public void reflowData() {
// Synchronize against the emulator so we don't stomp on its reader
// thread.
readEmulatorState();
// Vertical scrollbar
- if (vScroller == null) {
- vScroller = new TVScroller(this, getWidth() - 2, 0,
- getHeight() - 2);
- vScroller.setBottomValue(0);
- vScroller.setValue(0);
- } else {
- vScroller.setX(getWidth() - 2);
- vScroller.setHeight(getHeight() - 2);
- }
- vScroller.setTopValue(getHeight() - 2
+ setTopValue(getHeight() - 2
- (emulator.getScrollbackBuffer().size()
+ emulator.getDisplayBuffer().size()));
- vScroller.setBigChange(getHeight() - 2);
+ setVerticalBigChange(getHeight() - 2);
} // synchronized (emulator)
}
|| keypress.equals(kbCtrlPgUp)
|| keypress.equals(kbAltPgUp)
) {
- vScroller.bigDecrement();
+ bigVerticalDecrement();
return;
}
if (keypress.equals(kbShiftPgDn)
|| keypress.equals(kbCtrlPgDn)
|| keypress.equals(kbAltPgDn)
) {
- vScroller.bigIncrement();
+ bigVerticalIncrement();
return;
}
synchronized (emulator) {
if (emulator.isReading()) {
// Get out of scrollback
- vScroller.setValue(0);
+ setVerticalValue(0);
emulator.keypress(keypress.getKey());
// UGLY HACK TIME! cmd.exe needs CRLF, not just CR, so if
}
if (mouse.isMouseWheelUp()) {
- vScroller.decrement();
+ verticalDecrement();
return;
}
if (mouse.isMouseWheelDown()) {
- vScroller.increment();
+ verticalIncrement();
return;
}
if (mouseOnEmulator(mouse)) {
git://git.nikiroo.be / fanfix.git / blobdiff