Merge pull request #277 from rhansby/textview-terminal-2

TextView in terminal for better text selection

7 files changed, 581 insertions, 373 deletions

diff --git a/app/src/main/java/org/connectbot/ConsoleActivity.java b/app/src/main/java/org/connectbot/ConsoleActivity.java
index d628a07..440661a 100644
--- a/app/src/main/java/org/connectbot/ConsoleActivity.java
+++ b/app/src/main/java/org/connectbot/ConsoleActivity.java
@@ -22,15 +22,14 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.connectbot.bean.HostBean;
-import org.connectbot.bean.SelectionArea;
 import org.connectbot.service.BridgeDisconnectedListener;
 import org.connectbot.service.PromptHelper;
 import org.connectbot.service.TerminalBridge;
 import org.connectbot.service.TerminalKeyListener;
 import org.connectbot.service.TerminalManager;
 import org.connectbot.util.PreferenceConstants;
+import org.connectbot.util.TerminalViewPager;
 
-import android.annotation.TargetApi;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.ComponentName;
@@ -50,20 +49,15 @@ import android.os.IBinder;
 import android.os.Message;
 import android.preference.PreferenceManager;
 import android.support.annotation.Nullable;
-import android.support.v4.app.ActivityCompat;
 import android.support.design.widget.TabLayout;
+import android.support.v4.app.ActivityCompat;
 import android.support.v4.view.MenuItemCompat;
-import android.support.v4.view.MotionEventCompat;
 import android.support.v4.view.PagerAdapter;
-import android.support.v4.view.ViewPager;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.text.ClipboardManager;
 import android.util.Log;
-import android.view.ContextMenu;
-import android.view.GestureDetector;
-import android.view.InputDevice;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.Menu;
@@ -74,7 +68,6 @@ import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.View.OnKeyListener;
 import android.view.View.OnTouchListener;
-import android.view.ViewConfiguration;
 import android.view.ViewGroup;
 import android.view.Window;
 import android.view.WindowManager;
@@ -100,14 +93,12 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 
 	protected static final int REQUEST_EDIT = 1;
 
-	private static final int CLICK_TIME = 400;
-	private static final float MAX_CLICK_DISTANCE = 25f;
 	private static final int KEYBOARD_DISPLAY_TIME = 3000;
 	private static final int KEYBOARD_REPEAT_INITIAL = 500;
 	private static final int KEYBOARD_REPEAT = 100;
 	private static final String STATE_SELECTED_URI = "selectedUri";
 
-	protected ViewPager pager = null;
+	protected TerminalViewPager pager = null;
 	protected TabLayout tabs = null;
 	protected Toolbar toolbar = null;
 	@Nullable
@@ -140,15 +131,11 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 	private Animation fade_out_delayed;
 
 	private Animation keyboard_fade_in, keyboard_fade_out;
-	private float lastX, lastY;
 
 	private InputMethodManager inputManager;
 
 	private MenuItem disconnect, copy, paste, portForward, resize, urlscan;
 
-	protected TerminalBridge copySource = null;
-	private int lastTouchRow, lastTouchCol;
-
 	private boolean forcedOrientation;
 
 	private Handler handler = new Handler();
@@ -498,10 +485,11 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 		inflater = LayoutInflater.from(this);
 
 		toolbar = (Toolbar) findViewById(R.id.toolbar);
-		pager = (ViewPager) findViewById(R.id.console_flip);
-		registerForContextMenu(pager);
+
+		pager = (TerminalViewPager) findViewById(R.id.console_flip);
+
 		pager.addOnPageChangeListener(
-				new ViewPager.SimpleOnPageChangeListener() {
+				new TerminalViewPager.SimpleOnPageChangeListener() {
 					@Override
 					public void onPageSelected(int position) {
 						setTitle(adapter.getPageTitle(position));
@@ -669,258 +657,17 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 		if (tabs != null)
 			setupTabLayoutWithViewPager();
 
-		// detect fling gestures to switch between terminals
-		final GestureDetector detect = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
-			private float totalY = 0;
-
+		pager.setOnClickListener(new OnClickListener() {
 			@Override
-			public void onLongPress(MotionEvent e) {
-				super.onLongPress(e);
-				openContextMenu(pager);
-			}
-
-
-			@Override
-			public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
-
-				// if copying, then ignore
-				if (copySource != null && copySource.isSelectingForCopy())
-					return false;
-
-				if (e1 == null || e2 == null)
-					return false;
-
-				// if releasing then reset total scroll
-				if (e2.getAction() == MotionEvent.ACTION_UP) {
-					totalY = 0;
-				}
-
-				// activate consider if within x tolerance
-				int touchSlop = ViewConfiguration.get(ConsoleActivity.this).getScaledTouchSlop();
-				if (Math.abs(e1.getX() - e2.getX()) < touchSlop * 4) {
-
-					View view = adapter.getCurrentTerminalView();
-					if (view == null) return false;
-					TerminalView terminal = (TerminalView) view;
-
-					// estimate how many rows we have scrolled through
-					// accumulate distance that doesn't trigger immediate scroll
-					totalY += distanceY;
-					final int moved = (int) (totalY / terminal.bridge.charHeight);
-
-					// consume as scrollback only if towards right half of screen
-					if (e2.getX() > view.getWidth() / 2) {
-						if (moved != 0) {
-							int base = terminal.bridge.buffer.getWindowBase();
-							terminal.bridge.buffer.setWindowBase(base + moved);
-							totalY = 0;
-							return true;
-						}
-					} else {
-						// otherwise consume as pgup/pgdown for every 5 lines
-						if (moved > 5) {
-							((vt320) terminal.bridge.buffer).keyPressed(vt320.KEY_PAGE_DOWN, ' ', 0);
-							terminal.bridge.tryKeyVibrate();
-							totalY = 0;
-							return true;
-						} else if (moved < -5) {
-							((vt320) terminal.bridge.buffer).keyPressed(vt320.KEY_PAGE_UP, ' ', 0);
-							terminal.bridge.tryKeyVibrate();
-							totalY = 0;
-							return true;
-						}
-
-					}
-
-				}
-
-				return false;
-			}
-
-
-		});
-
-		pager.setLongClickable(true);
-		pager.setOnTouchListener(new OnTouchListener() {
-
-			public boolean onTouch(View v, MotionEvent event) {
-				TerminalBridge bridge = adapter.getCurrentTerminalView().bridge;
-
-				// Handle mouse-specific actions.
-				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH &&
-						MotionEventCompat.getSource(event) == InputDevice.SOURCE_MOUSE) {
-					if (onMouseEvent(event, bridge)) {
-						return true;
-					}
-				}
-
-				// when copying, highlight the area
-				if (copySource != null && copySource.isSelectingForCopy()) {
-					SelectionArea area = copySource.getSelectionArea();
-					int row = (int) Math.floor(event.getY() / bridge.charHeight);
-					int col = (int) Math.floor(event.getX() / bridge.charWidth);
-
-					switch (event.getAction()) {
-					case MotionEvent.ACTION_DOWN:
-						// recording starting area
-						if (area.isSelectingOrigin()) {
-							area.setRow(row);
-							area.setColumn(col);
-							lastTouchRow = row;
-							lastTouchCol = col;
-							copySource.redraw();
-						}
-						return true;
-					case MotionEvent.ACTION_MOVE:
-						/* ignore when user hasn't moved since last time so
-						 * we can fine-tune with directional pad
-						 */
-						if (row == lastTouchRow && col == lastTouchCol)
-							return true;
-
-						// if the user moves, start the selection for other corner
-						area.finishSelectingOrigin();
-
-						// update selected area
-						area.setRow(row);
-						area.setColumn(col);
-						lastTouchRow = row;
-						lastTouchCol = col;
-						copySource.redraw();
-						return true;
-					case MotionEvent.ACTION_UP:
-						/* If they didn't move their finger, maybe they meant to
-						 * select the rest of the text with the directional pad.
-						 */
-						if (area.getLeft() == area.getRight() &&
-								area.getTop() == area.getBottom()) {
-							return true;
-						}
-
-						// copy selected area to clipboard
-						String copiedText = area.copyFrom(copySource.buffer);
-
-						clipboard.setText(copiedText);
-						Toast.makeText(ConsoleActivity.this, getString(R.string.console_copy_done, copiedText.length()), Toast.LENGTH_LONG).show();
-						// fall through to clear state
-
-					case MotionEvent.ACTION_CANCEL:
-						// make sure we clear any highlighted area
-						area.reset();
-						copySource.setSelectingForCopy(false);
-						copySource.redraw();
-						return true;
-					}
-				}
-
-				if (event.getAction() == MotionEvent.ACTION_DOWN) {
-					lastX = event.getX();
-					lastY = event.getY();
-				} else if (event.getAction() == MotionEvent.ACTION_UP
-						&& keyboardGroup.getVisibility() == View.GONE
-						&& event.getEventTime() - event.getDownTime() < CLICK_TIME
-						&& Math.abs(event.getX() - lastX) < MAX_CLICK_DISTANCE
-						&& Math.abs(event.getY() - lastY) < MAX_CLICK_DISTANCE) {
-					showEmulatedKeys(true);
-				}
-
-				// pass any touch events back to detector
-				return detect.onTouchEvent(event);
-			}
-
-			/**
-			 * @param event
-			 * @param bridge
-			 * @return True if the event is handled.
-			 */
-			@TargetApi(14)
-			private boolean onMouseEvent(MotionEvent event, TerminalBridge bridge) {
-				int row = (int) Math.floor(event.getY() / bridge.charHeight);
-				int col = (int) Math.floor(event.getX() / bridge.charWidth);
-				int meta = event.getMetaState();
-				boolean shiftOn = (meta & KeyEvent.META_SHIFT_ON) != 0;
-				boolean mouseReport = ((vt320) bridge.buffer).isMouseReportEnabled();
-
-				// MouseReport can be "defeated" using the shift key.
-				if ((!mouseReport || shiftOn)) {
-					if (event.getAction() == MotionEvent.ACTION_DOWN) {
-						switch (event.getButtonState()) {
-						case MotionEvent.BUTTON_PRIMARY:
-							// Automatically start copy mode if using a mouse.
-							startCopyMode();
-							break;
-						case MotionEvent.BUTTON_SECONDARY:
-							openContextMenu(pager);
-							return true;
-						case MotionEvent.BUTTON_TERTIARY:
-							// Middle click pastes.
-							pasteIntoTerminal();
-							return true;
-						}
-					}
-				} else if (event.getAction() == MotionEvent.ACTION_DOWN) {
-					((vt320) bridge.buffer).mousePressed(
-							col, row, mouseEventToJavaModifiers(event));
-					return true;
-				} else if (event.getAction() == MotionEvent.ACTION_UP) {
-					((vt320) bridge.buffer).mouseReleased(col, row);
-					return true;
-				} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
-					int buttonState = event.getButtonState();
-					int button = (buttonState & MotionEvent.BUTTON_PRIMARY) != 0 ? 0 :
-							(buttonState & MotionEvent.BUTTON_SECONDARY) != 0 ? 1 :
-									(buttonState & MotionEvent.BUTTON_TERTIARY) != 0 ? 2 : 3;
-					((vt320) bridge.buffer).mouseMoved(
-							button,
-							col,
-							row,
-							(meta & KeyEvent.META_CTRL_ON) != 0,
-							(meta & KeyEvent.META_SHIFT_ON) != 0,
-							(meta & KeyEvent.META_META_ON) != 0);
-					return true;
+			public void onClick(View v) {
+				if (keyboardGroup.getVisibility() == View.GONE) {
+					showEmulatedKeys(false);
 				}
-
-				return false;
 			}
-
 		});
 	}
 
 	/**
-	 * Takes an android mouse event and produces a Java InputEvent modifiers int which can be
-	 * passed to vt320.
-	 * @param mouseEvent The {@link MotionEvent} which should be a mouse click or release.
-	 * @return A Java InputEvent modifier int. See
-	 * http://docs.oracle.com/javase/7/docs/api/java/awt/event/InputEvent.html
-	 */
-	@TargetApi(14)
-	private static int mouseEventToJavaModifiers(MotionEvent mouseEvent) {
-		if (MotionEventCompat.getSource(mouseEvent) != InputDevice.SOURCE_MOUSE) return 0;
-
-		int mods = 0;
-
-		// See http://docs.oracle.com/javase/7/docs/api/constant-values.html
-		int buttonState = mouseEvent.getButtonState();
-		if ((buttonState & MotionEvent.BUTTON_PRIMARY) != 0)
-			mods |= 16;
-		if ((buttonState & MotionEvent.BUTTON_SECONDARY) != 0)
-			mods |= 8;
-		if ((buttonState & MotionEvent.BUTTON_TERTIARY) != 0)
-			mods |= 4;
-
-		// Note: Meta and Ctrl are intentionally swapped here to keep logic in vt320 simple.
-		int meta = mouseEvent.getMetaState();
-		if ((meta & KeyEvent.META_META_ON) != 0)
-			mods |= 2;
-		if ((meta & KeyEvent.META_SHIFT_ON) != 0)
-			mods |= 1;
-		if ((meta & KeyEvent.META_CTRL_ON) != 0)
-			mods |= 4;
-
-		return mods;
-	}
-
-	/**
 	 * Ties the {@link TabLayout} to the {@link ViewPager}.
 	 *
 	 * <p>This method will:
@@ -1011,19 +758,21 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 			}
 		});
 
-		copy = menu.add(R.string.console_menu_copy);
-		if (hardKeyboard)
-			copy.setAlphabeticShortcut('c');
-		MenuItemCompat.setShowAsAction(copy, MenuItemCompat.SHOW_AS_ACTION_IF_ROOM);
-		copy.setIcon(R.drawable.ic_action_copy);
-		copy.setEnabled(activeTerminal);
-		copy.setOnMenuItemClickListener(new OnMenuItemClickListener() {
-			public boolean onMenuItemClick(MenuItem item) {
-				startCopyMode();
-				Toast.makeText(ConsoleActivity.this, getString(R.string.console_copy_start), Toast.LENGTH_LONG).show();
-				return true;
-			}
-		});
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
+			copy = menu.add(R.string.console_menu_copy);
+			if (hardKeyboard)
+				copy.setAlphabeticShortcut('c');
+			MenuItemCompat.setShowAsAction(copy, MenuItemCompat.SHOW_AS_ACTION_IF_ROOM);
+			copy.setIcon(R.drawable.ic_action_copy);
+			copy.setEnabled(activeTerminal);
+			copy.setOnMenuItemClickListener(new OnMenuItemClickListener() {
+				public boolean onMenuItemClick(MenuItem item) {
+					adapter.getCurrentTerminalView().startPreHoneycombCopyMode();
+					Toast.makeText(ConsoleActivity.this, getString(R.string.console_copy_start), Toast.LENGTH_LONG).show();
+					return true;
+				}
+			});
+		}
 
 		paste = menu.add(R.string.console_menu_paste);
 		if (hardKeyboard)
@@ -1144,7 +893,10 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 			disconnect.setTitle(R.string.list_host_disconnect);
 		else
 			disconnect.setTitle(R.string.console_menu_close);
-		copy.setEnabled(activeTerminal);
+
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
+			copy.setEnabled(activeTerminal);
+		}
 		paste.setEnabled(clipboard.hasText() && sessionOpen);
 		portForward.setEnabled(sessionOpen && canForwardPorts);
 		urlscan.setEnabled(activeTerminal);
@@ -1174,32 +926,6 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 	}
 
 	@Override
-	public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
-		final TerminalView view = adapter.getCurrentTerminalView();
-		boolean activeTerminal = view != null;
-		boolean sessionOpen = false;
-
-		if (activeTerminal) {
-			TerminalBridge bridge = view.bridge;
-			sessionOpen = bridge.isSessionOpen();
-		}
-
-		MenuItem paste = menu.add(R.string.console_menu_paste);
-		if (hardKeyboard)
-			paste.setAlphabeticShortcut('v');
-		paste.setIcon(android.R.drawable.ic_menu_edit);
-		paste.setEnabled(clipboard.hasText() && sessionOpen);
-		paste.setOnMenuItemClickListener(new OnMenuItemClickListener() {
-			public boolean onMenuItemClick(MenuItem item) {
-				pasteIntoTerminal();
-				return true;
-			}
-		});
-
-
-	}
-
-	@Override
 	public void onStart() {
 		super.onStart();
 
@@ -1308,21 +1034,6 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 		super.onSaveInstanceState(savedInstanceState);
 	}
 
-	private void startCopyMode() {
-		// mark as copying and reset any previous bounds
-		TerminalView terminalView = (TerminalView) adapter.getCurrentTerminalView();
-		copySource = terminalView.bridge;
-
-		SelectionArea area = copySource.getSelectionArea();
-		area.reset();
-		area.setBounds(copySource.buffer.getColumns(), copySource.buffer.getRows());
-
-		copySource.setSelectingForCopy(true);
-
-		// Make sure we show the initial selection
-		copySource.redraw();
-	}
-
 	/**
 	 * Save the currently shown {@link TerminalView} as the default. This is
 	 * saved back down into {@link TerminalManager} where we can read it again
@@ -1494,7 +1205,7 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 			overlay.setText(bridge.host.getNickname());
 
 			// and add our terminal view control, using index to place behind overlay
-			final TerminalView terminal = new TerminalView(container.getContext(), bridge);
+			final TerminalView terminal = new TerminalView(container.getContext(), bridge, pager);
 			terminal.setId(R.id.terminal_view);
 			view.addView(terminal, 0);
 
@@ -1572,7 +1283,9 @@ public class ConsoleActivity extends AppCompatActivity implements BridgeDisconne
 
 		public TerminalView getCurrentTerminalView() {
 			View currentView = pager.findViewWithTag(getBridgeAtPosition(pager.getCurrentItem()));
-			if (currentView == null) return null;
+			if (currentView == null) {
+				return null;
+			}
 			return (TerminalView) currentView.findViewById(R.id.terminal_view);
 		}
 	}
diff --git a/app/src/main/java/org/connectbot/TerminalView.java b/app/src/main/java/org/connectbot/TerminalView.java
index 7c4f51f..bc095fc 100644
--- a/app/src/main/java/org/connectbot/TerminalView.java
+++ b/app/src/main/java/org/connectbot/TerminalView.java
@@ -25,47 +25,72 @@ import org.connectbot.bean.SelectionArea;
 import org.connectbot.service.FontSizeChangedListener;
 import org.connectbot.service.TerminalBridge;
 import org.connectbot.service.TerminalKeyListener;
+import org.connectbot.util.TerminalViewPager;
 
 import android.annotation.TargetApi;
+import android.app.Activity;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ResolveInfo;
 import android.database.Cursor;
 import android.graphics.Canvas;
+import android.graphics.Color;
 import android.graphics.Matrix;
 import android.graphics.Paint;
 import android.graphics.Path;
 import android.graphics.PixelXorXfermode;
 import android.graphics.RectF;
+import android.graphics.Typeface;
 import android.net.Uri;
 import android.os.AsyncTask;
+import android.os.Build;
 import android.support.v4.view.MotionEventCompat;
+import android.text.ClipboardManager;
+import android.view.ActionMode;
+import android.view.GestureDetector;
 import android.view.InputDevice;
 import android.view.KeyEvent;
+import android.view.Menu;
+import android.view.MenuItem;
 import android.view.MotionEvent;
-import android.view.View;
 import android.view.ViewGroup.LayoutParams;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.view.inputmethod.BaseInputConnection;
 import android.view.inputmethod.EditorInfo;
 import android.view.inputmethod.InputConnection;
+import android.widget.TextView;
 import android.widget.Toast;
 import de.mud.terminal.VDUBuffer;
 import de.mud.terminal.vt320;
 
 /**
- * User interface {@link View} for showing a TerminalBridge in an
+ * User interface {@link TextView} for showing a TerminalBridge in an
  * {@link android.app.Activity}. Handles drawing bitmap updates and passing keystrokes down
  * to terminal.
  *
+ * On Honeycomb devices and above (>= APIv11), a TextView with transparent text (which is identical
+ * to the bitmap) is drawn above the bitmap. This TextView exists to allow the user to
+ * select and copy text.
+ *
  * @author jsharkey
  */
-public class TerminalView extends View implements FontSizeChangedListener {
+public class TerminalView extends TextView implements FontSizeChangedListener {
 
 	private final Context context;
 	public final TerminalBridge bridge;
+
+	private final TerminalViewPager viewPager;
+	private GestureDetector gestureDetector;
+
+	private ClipboardManager clipboard;
+	private ActionMode selectionActionMode = null;
+	private String currentSelection = "";
+
+	// These are only used for pre-Honeycomb copying.
+	private int lastTouchedRow, lastTouchedCol;
+
 	private final Paint paint;
 	private final Paint cursorPaint;
 	private final Paint cursorStrokePaint;
@@ -96,17 +121,19 @@ public class TerminalView extends View implements FontSizeChangedListener {
 	private static final String SCREENREADER_INTENT_ACTION = "android.accessibilityservice.AccessibilityService";
 	private static final String SCREENREADER_INTENT_CATEGORY = "android.accessibilityservice.category.FEEDBACK_SPOKEN";
 
-	public TerminalView(Context context, TerminalBridge bridge) {
+	public TerminalView(Context context, TerminalBridge bridge, TerminalViewPager pager) {
 		super(context);
 
 		this.context = context;
 		this.bridge = bridge;
-		paint = new Paint();
+		this.viewPager = pager;
 
 		setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
 		setFocusable(true);
 		setFocusableInTouchMode(true);
 
+		paint = new Paint();
+
 		cursorPaint = new Paint();
 		cursorPaint.setColor(bridge.color[bridge.defaultFg]);
 		cursorPaint.setXfermode(new PixelXorXfermode(bridge.color[bridge.defaultBg]));
@@ -142,6 +169,7 @@ public class TerminalView extends View implements FontSizeChangedListener {
 		scaleMatrix = new Matrix();
 
 		bridge.addFontSizeChangedListener(this);
+		bridge.parentChanged(this);
 
 		// connect our view up to the bridge
 		setOnKeyListener(bridge.getKeyHandler());
@@ -150,6 +178,400 @@ public class TerminalView extends View implements FontSizeChangedListener {
 
 		// Enable accessibility features if a screen reader is active.
 		new AccessibilityStateTester().execute((Void) null);
+
+		clipboard = (ClipboardManager) context.getSystemService(Context.CLIPBOARD_SERVICE);
+
+		setTextColor(Color.TRANSPARENT);
+		setTypeface(Typeface.MONOSPACE);
+		onFontSizeChanged(bridge.getFontSize());
+
+		// Allow selection of and copying text for Honeycomb and above devices.
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+			setTextIsSelectable(true);
+			setCustomSelectionActionModeCallback(new TextSelectionActionModeCallback());
+		}
+
+		gestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
+			private TerminalBridge bridge = TerminalView.this.bridge;
+			private float totalY = 0;
+
+			@Override
+			public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
+				// if releasing then reset total scroll
+				if (e2.getAction() == MotionEvent.ACTION_UP) {
+					totalY = 0;
+				}
+
+				totalY += distanceY;
+				final int moved = (int) (totalY / bridge.charHeight);
+
+				if (moved != 0) {
+					int base = bridge.buffer.getWindowBase();
+					bridge.buffer.setWindowBase(base + moved);
+					totalY = 0;
+				}
+
+				return true;
+			}
+
+			@Override
+			public boolean onSingleTapConfirmed(MotionEvent e) {
+				viewPager.performClick();
+				return super.onSingleTapConfirmed(e);
+			}
+		});
+	}
+
+	@TargetApi(11)
+	private void closeSelectionActionMode() {
+		if (selectionActionMode != null) {
+			selectionActionMode.finish();
+			selectionActionMode = null;
+		}
+	}
+
+	public void copyCurrentSelectionToClipboard() {
+		ClipboardManager clipboard =
+				(ClipboardManager) TerminalView.this.context.getSystemService(Context.CLIPBOARD_SERVICE);
+		if (currentSelection.length() != 0) {
+			clipboard.setText(currentSelection);
+		}
+
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+			closeSelectionActionMode();
+		}
+	}
+
+	@Override
+	protected void onSelectionChanged(int selStart, int selEnd) {
+		if (selStart <= selEnd) {
+			currentSelection = getText().toString().substring(selStart, selEnd);
+		}
+		super.onSelectionChanged(selStart, selEnd);
+	}
+
+	@Override
+	public boolean onTouchEvent(MotionEvent event) {
+		if (event.getAction() == MotionEvent.ACTION_DOWN) {
+			// Selection may be beginning. Sync the TextView with the buffer.
+			refreshTextFromBuffer();
+		}
+
+		// Mouse input is treated differently:
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH &&
+				MotionEventCompat.getSource(event) == InputDevice.SOURCE_MOUSE) {
+			if (onMouseEvent(event, bridge)) {
+				return true;
+			}
+			viewPager.setPagingEnabled(true);
+		} else if (gestureDetector != null) {
+			// The gesture detector should not be called if touch event was from mouse.
+			gestureDetector.onTouchEvent(event);
+		}
+
+		// Old version of copying, only for pre-Honeycomb.
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
+			// when copying, highlight the area
+			if (bridge.isSelectingForCopy()) {
+				SelectionArea area = bridge.getSelectionArea();
+				int row = (int) Math.floor(event.getY() / bridge.charHeight);
+				int col = (int) Math.floor(event.getX() / bridge.charWidth);
+
+				switch (event.getAction()) {
+				case MotionEvent.ACTION_DOWN:
+					// recording starting area
+					viewPager.setPagingEnabled(false);
+					if (area.isSelectingOrigin()) {
+						area.setRow(row);
+						area.setColumn(col);
+						lastTouchedRow = row;
+						lastTouchedCol = col;
+						bridge.redraw();
+					}
+					return true;
+				case MotionEvent.ACTION_MOVE:
+							/* ignore when user hasn't moved since last time so
+							 * we can fine-tune with directional pad
+							 */
+					if (row == lastTouchedRow && col == lastTouchedCol)
+						return true;
+
+					// if the user moves, start the selection for other corner
+					area.finishSelectingOrigin();
+
+					// update selected area
+					area.setRow(row);
+					area.setColumn(col);
+					lastTouchedRow = row;
+					lastTouchedCol = col;
+					bridge.redraw();
+					return true;
+				case MotionEvent.ACTION_UP:
+							/* If they didn't move their finger, maybe they meant to
+							 * select the rest of the text with the directional pad.
+							 */
+					if (area.getLeft() == area.getRight() &&
+							area.getTop() == area.getBottom()) {
+						return true;
+					}
+
+					// copy selected area to clipboard
+					String copiedText = area.copyFrom(bridge.buffer);
+
+					clipboard.setText(copiedText);
+					Toast.makeText(
+						context,
+						context.getString(R.string.console_copy_done, copiedText.length()),
+						Toast.LENGTH_LONG).show();
+
+					// fall through to clear state
+
+				case MotionEvent.ACTION_CANCEL:
+					// make sure we clear any highlighted area
+					area.reset();
+					bridge.setSelectingForCopy(false);
+					bridge.redraw();
+					viewPager.setPagingEnabled(true);
+					return true;
+				}
+			}
+
+			return true;
+		}
+
+		super.onTouchEvent(event);
+
+		return true;
+	}
+
+	@TargetApi(11)
+	private class TextSelectionActionModeCallback implements ActionMode.Callback {
+		private static final int COPY = 0;
+		private static final int PASTE = 1;
+
+		@Override
+		public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
+			return false;
+		}
+
+		@Override
+		public boolean onCreateActionMode(ActionMode mode, Menu menu) {
+			TerminalView.this.selectionActionMode = mode;
+
+			menu.clear();
+
+			menu.add(0, COPY, 0, R.string.console_menu_copy)
+					.setIcon(R.drawable.ic_action_copy)
+					.setShowAsAction(MenuItem.SHOW_AS_ACTION_WITH_TEXT | MenuItem.SHOW_AS_ACTION_IF_ROOM);
+			menu.add(0, PASTE, 1, R.string.console_menu_paste)
+					.setIcon(R.drawable.ic_action_paste)
+					.setShowAsAction(MenuItem.SHOW_AS_ACTION_WITH_TEXT | MenuItem.SHOW_AS_ACTION_IF_ROOM);
+
+			return true;
+		}
+
+		@Override
+		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+			switch (item.getItemId()) {
+			case COPY:
+				copyCurrentSelectionToClipboard();
+				return true;
+			case PASTE:
+				String clip = clipboard.getText().toString();
+				TerminalView.this.bridge.injectString(clip);
+				mode.finish();
+				return true;
+			}
+
+			return false;
+		}
+
+		@Override
+		public void onDestroyActionMode(ActionMode mode) {
+		}
+	}
+
+	/**
+	 * @param event
+	 * @param bridge
+	 * @return True if the event is handled.
+	 */
+	@TargetApi(14)
+	private boolean onMouseEvent(MotionEvent event, TerminalBridge bridge) {
+		int row = (int) Math.floor(event.getY() / bridge.charHeight);
+		int col = (int) Math.floor(event.getX() / bridge.charWidth);
+		int meta = event.getMetaState();
+		boolean shiftOn = (meta & KeyEvent.META_SHIFT_ON) != 0;
+		vt320 vtBuffer = (vt320) bridge.buffer;
+		boolean mouseReport = vtBuffer.isMouseReportEnabled();
+
+		// MouseReport can be "defeated" using the shift key.
+		if (!mouseReport || shiftOn) {
+			if (event.getAction() == MotionEvent.ACTION_DOWN) {
+				if (event.getButtonState() == MotionEvent.BUTTON_TERTIARY) {
+					// Middle click pastes.
+					String clip = clipboard.getText().toString();
+					bridge.injectString(clip);
+					return true;
+				}
+
+				// Begin "selection mode"
+
+				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
+					closeSelectionActionMode();
+				}
+			} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
+				// In the middle of selection.
+
+				if (selectionActionMode == null) {
+					selectionActionMode = startActionMode(new TextSelectionActionModeCallback());
+				}
+
+				int selectionStart = getSelectionStart();
+				int selectionEnd = getSelectionEnd();
+
+				if (selectionStart > selectionEnd) {
+					int tempStart = selectionStart;
+					selectionStart = selectionEnd;
+					selectionEnd = tempStart;
+				}
+
+				currentSelection = getText().toString().substring(selectionStart, selectionEnd);
+			}
+		} else if (event.getAction() == MotionEvent.ACTION_DOWN) {
+			viewPager.setPagingEnabled(false);
+			vtBuffer.mousePressed(
+					col, row, mouseEventToJavaModifiers(event));
+			return true;
+		} else if (event.getAction() == MotionEvent.ACTION_UP) {
+			viewPager.setPagingEnabled(true);
+			vtBuffer.mouseReleased(col, row);
+			return true;
+		} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
+			int buttonState = event.getButtonState();
+			int button = (buttonState & MotionEvent.BUTTON_PRIMARY) != 0 ? 0 :
+				(buttonState & MotionEvent.BUTTON_SECONDARY) != 0 ? 1 :
+				(buttonState & MotionEvent.BUTTON_TERTIARY) != 0 ? 2 : 3;
+			vtBuffer.mouseMoved(
+				button,
+				col,
+				row,
+				(meta & KeyEvent.META_CTRL_ON) != 0,
+				(meta & KeyEvent.META_SHIFT_ON) != 0,
+				(meta & KeyEvent.META_META_ON) != 0);
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Takes an android mouse event and produces a Java InputEvent modifiers int which can be
+	 * passed to vt320.
+	 * @param mouseEvent The {@link MotionEvent} which should be a mouse click or release.
+	 * @return A Java InputEvent modifier int. See
+	 * http://docs.oracle.com/javase/7/docs/api/java/awt/event/InputEvent.html
+	 */
+	@TargetApi(14)
+	private static int mouseEventToJavaModifiers(MotionEvent mouseEvent) {
+		if (MotionEventCompat.getSource(mouseEvent) != InputDevice.SOURCE_MOUSE) return 0;
+
+		int mods = 0;
+
+		// See http://docs.oracle.com/javase/7/docs/api/constant-values.html
+		int buttonState = mouseEvent.getButtonState();
+		if ((buttonState & MotionEvent.BUTTON_PRIMARY) != 0)
+			mods |= 16;
+		if ((buttonState & MotionEvent.BUTTON_SECONDARY) != 0)
+			mods |= 8;
+		if ((buttonState & MotionEvent.BUTTON_TERTIARY) != 0)
+			mods |= 4;
+
+		// Note: Meta and Ctrl are intentionally swapped here to keep logic in vt320 simple.
+		int meta = mouseEvent.getMetaState();
+		if ((meta & KeyEvent.META_META_ON) != 0)
+			mods |= 2;
+		if ((meta & KeyEvent.META_SHIFT_ON) != 0)
+			mods |= 1;
+		if ((meta & KeyEvent.META_CTRL_ON) != 0)
+			mods |= 4;
+
+		return mods;
+	}
+
+	@Override
+	@TargetApi(12)
+	public boolean onGenericMotionEvent(MotionEvent event) {
+		if ((MotionEventCompat.getSource(event) & InputDevice.SOURCE_CLASS_POINTER) != 0) {
+			switch (event.getAction()) {
+			case MotionEvent.ACTION_SCROLL:
+				// Process scroll wheel movement:
+				float yDistance = MotionEventCompat.getAxisValue(event, MotionEvent.AXIS_VSCROLL);
+				vt320 vtBuffer = (vt320) bridge.buffer;
+				boolean mouseReport = vtBuffer.isMouseReportEnabled();
+				if (mouseReport) {
+					int row = (int) Math.floor(event.getY() / bridge.charHeight);
+					int col = (int) Math.floor(event.getX() / bridge.charWidth);
+
+					vtBuffer.mouseWheel(
+							yDistance > 0,
+							col,
+							row,
+							(event.getMetaState() & KeyEvent.META_CTRL_ON) != 0,
+							(event.getMetaState() & KeyEvent.META_SHIFT_ON) != 0,
+							(event.getMetaState() & KeyEvent.META_META_ON) != 0);
+					return true;
+				} else if (yDistance != 0) {
+					int base = bridge.buffer.getWindowBase();
+					bridge.buffer.setWindowBase(base - Math.round(yDistance));
+					return true;
+				}
+			}
+		}
+		return super.onGenericMotionEvent(event);
+	}
+
+	// TODO: cleanup and possibly optimize
+	private void refreshTextFromBuffer() {
+		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
+			// Do not run this function because the textView is not selectable pre-Honeycomb.
+			return;
+		}
+
+		VDUBuffer vb = bridge.getVDUBuffer();
+
+		String line = "";
+		String buffer = "";
+
+		int windowBase = vb.getWindowBase();
+		int rowBegin = vb.getTopMargin();
+		int rowEnd = vb.getBottomMargin();
+		int numCols = vb.getColumns() - 1;
+
+		for (int r = rowBegin; r <= rowEnd; r++) {
+			for (int c = 0; c < numCols; c++) {
+				line += vb.charArray[windowBase + r][c];
+			}
+			buffer += line.replaceAll("\\s+$", "") + "\n";
+			line = "";
+		}
+
+		setText(buffer);
+	}
+
+	/**
+	 * Only intended for pre-Honeycomb devices.
+	 */
+	public void startPreHoneycombCopyMode() {
+		// mark as copying and reset any previous bounds
+		SelectionArea area = bridge.getSelectionArea();
+		area.reset();
+		area.setBounds(bridge.buffer.getColumns(), bridge.buffer.getRows());
+
+		bridge.setSelectingForCopy(true);
+
+		// Make sure we show the initial selection
+		bridge.redraw();
 	}
 
 	public void destroy() {
@@ -166,8 +588,21 @@ public class TerminalView extends View implements FontSizeChangedListener {
 		scaleCursors();
 	}
 
-	public void onFontSizeChanged(float size) {
+	public void onFontSizeChanged(final float size) {
 		scaleCursors();
+
+		((Activity) context).runOnUiThread(new Runnable() {
+			@Override
+			public void run() {
+				setTextSize(size);
+
+				// For the TextView to line up with the bitmap text, lineHeight must be equal to
+				// the bridge's charHeight. See TextView.getLineHeight(), which has been reversed to
+				// derive lineSpacingMultiplier.
+				float lineSpacingMultiplier = (float) bridge.charHeight / getPaint().getFontMetricsInt(null);
+				setLineSpacing(0.0f, lineSpacingMultiplier);
+			}
+		});
 	}
 
 	private void scaleCursors() {
@@ -246,7 +681,8 @@ public class TerminalView extends View implements FontSizeChangedListener {
 			}
 
 			// draw any highlighted area
-			if (bridge.isSelectingForCopy()) {
+			if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB &&
+				bridge.isSelectingForCopy()) {
 				SelectionArea area = bridge.getSelectionArea();
 				canvas.save(Canvas.CLIP_SAVE_FLAG);
 				canvas.clipRect(
@@ -259,6 +695,8 @@ public class TerminalView extends View implements FontSizeChangedListener {
 				canvas.restore();
 			}
 		}
+
+		super.onDraw(canvas);
 	}
 
 	public void notifyUser(String message) {
@@ -324,37 +762,6 @@ public class TerminalView extends View implements FontSizeChangedListener {
 		};
 	}
 
-	@Override
-	@TargetApi(12)
-	public boolean onGenericMotionEvent(MotionEvent event) {
-		if ((MotionEventCompat.getSource(event) & InputDevice.SOURCE_CLASS_POINTER) != 0) {
-			switch (event.getAction()) {
-			case MotionEvent.ACTION_SCROLL:
-				// Process scroll wheel movement:
-				float yDistance = MotionEventCompat.getAxisValue(event, MotionEvent.AXIS_VSCROLL);
-				boolean mouseReport = ((vt320) bridge.buffer).isMouseReportEnabled();
-				if (mouseReport) {
-					int row = (int) Math.floor(event.getY() / bridge.charHeight);
-					int col = (int) Math.floor(event.getX() / bridge.charWidth);
-
-					((vt320) bridge.buffer).mouseWheel(
-							yDistance > 0,
-							col,
-							row,
-							(event.getMetaState() & KeyEvent.META_CTRL_ON) != 0,
-							(event.getMetaState() & KeyEvent.META_SHIFT_ON) != 0,
-							(event.getMetaState() & KeyEvent.META_META_ON) != 0);
-					return true;
-				} else if (yDistance != 0) {
-					int base = bridge.buffer.getWindowBase();
-					bridge.buffer.setWindowBase(base - Math.round(yDistance));
-					return true;
-				}
-			}
-		}
-		return super.onGenericMotionEvent(event);
-	}
-
 	public void propagateConsoleText(char[] rawText, int length) {
 		if (mAccessibilityActive) {
 			synchronized (mAccessibilityLock) {
diff --git a/app/src/main/java/org/connectbot/service/TerminalBridge.java b/app/src/main/java/org/connectbot/service/TerminalBridge.java
index b9e29e8..a888cc3 100644
--- a/app/src/main/java/org/connectbot/service/TerminalBridge.java
+++ b/app/src/main/java/org/connectbot/service/TerminalBridge.java
@@ -341,6 +341,33 @@ public class TerminalBridge implements VDUDisplay {
 	}
 
 	/**
+	 * Only intended for pre-Honeycomb devices.
+	 */
+	public void setSelectingForCopy(boolean selectingForCopy) {
+		this.selectingForCopy = selectingForCopy;
+	}
+
+	/**
+	 * Only intended for pre-Honeycomb devices.
+	 */
+	public boolean isSelectingForCopy() {
+		return selectingForCopy;
+	}
+
+	/**
+	 * Only intended for pre-Honeycomb devices.
+	 */
+	public SelectionArea getSelectionArea() {
+		return selectionArea;
+	}
+
+	public void copyCurrentSelection() {
+		if (parent != null) {
+			parent.copyCurrentSelectionToClipboard();
+		}
+	}
+
+	/**
 	 * Inject a specific string into this terminal. Used for post-login strings
 	 * and pasting clipboard.
 	 */
@@ -482,18 +509,6 @@ public class TerminalBridge implements VDUDisplay {
 		}
 	}
 
-	public void setSelectingForCopy(boolean selectingForCopy) {
-		this.selectingForCopy = selectingForCopy;
-	}
-
-	public boolean isSelectingForCopy() {
-		return selectingForCopy;
-	}
-
-	public SelectionArea getSelectionArea() {
-		return selectionArea;
-	}
-
 	public synchronized void tryKeyVibrate() {
 		manager.tryKeyVibrate();
 	}
@@ -538,6 +553,10 @@ public class TerminalBridge implements VDUDisplay {
 		forcedSize = false;
 	}
 
+	public float getFontSize() {
+		return fontSizeDp;
+	}
+
 	/**
 	 * Add an {@link FontSizeChangedListener} to the list of listeners for this
 	 * bridge.
diff --git a/app/src/main/java/org/connectbot/service/TerminalKeyListener.java b/app/src/main/java/org/connectbot/service/TerminalKeyListener.java
index 1b2ffe4..753fa86 100644
--- a/app/src/main/java/org/connectbot/service/TerminalKeyListener.java
+++ b/app/src/main/java/org/connectbot/service/TerminalKeyListener.java
@@ -299,6 +299,14 @@ public class TerminalKeyListener implements OnKeyListener, OnSharedPreferenceCha
 					return true;
 			}
 
+			// CTRL-SHIFT-C to copy.
+			if (keyCode == KeyEvent.KEYCODE_C
+					&& (derivedMetaState & HC_META_CTRL_ON) != 0
+					&& (derivedMetaState & KeyEvent.META_SHIFT_ON) != 0) {
+				bridge.copyCurrentSelection();
+				return true;
+			}
+
 			// CTRL-SHIFT-V to paste.
 			if (keyCode == KeyEvent.KEYCODE_V
 					&& (derivedMetaState & HC_META_CTRL_ON) != 0
diff --git a/app/src/main/java/org/connectbot/util/TerminalViewPager.java b/app/src/main/java/org/connectbot/util/TerminalViewPager.java
new file mode 100644
index 0000000..bb06b69
--- /dev/null
+++ b/app/src/main/java/org/connectbot/util/TerminalViewPager.java
@@ -0,0 +1,61 @@
+/*
+ * ConnectBot: simple, powerful, open-source SSH client for Android
+ * Copyright 2015 Kenny Root, Jeffrey Sharkey
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.connectbot.util;
+
+import android.content.Context;
+import android.support.v4.view.ViewPager;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+/**
+ * Custom ViewPager {@link ViewPager} which is used to swipe between TerminalViews
+ * {@link org.connectbot.TerminalView}. Also allows temporary disabling of paging
+ * functionality to prevent event intercepts.
+ *
+ * @author rhansby
+ */
+public class TerminalViewPager extends ViewPager {
+	private boolean enabled;
+
+	public TerminalViewPager(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		this.enabled = true;
+	}
+
+	@Override
+	public boolean onTouchEvent(MotionEvent event) {
+		if (this.enabled) {
+			return super.onTouchEvent(event);
+		}
+
+		return false;
+	}
+
+	@Override
+	public boolean onInterceptTouchEvent(MotionEvent event) {
+		if (this.enabled) {
+			return super.onInterceptTouchEvent(event);
+		}
+
+		return false;
+	}
+
+	public void setPagingEnabled(boolean enabled) {
+		this.enabled = enabled;
+	}
+}
diff --git a/app/src/main/res/layout-large/act_console.xml b/app/src/main/res/layout-large/act_console.xml
index 6e7ab14..297d0b1 100644
--- a/app/src/main/res/layout-large/act_console.xml
+++ b/app/src/main/res/layout-large/act_console.xml
@@ -53,7 +53,7 @@
 		android:text="@string/terminal_no_hosts_connected"
 		android:textAppearance="?android:attr/textAppearanceMedium"/>
 
-	<android.support.v4.view.ViewPager
+	<org.connectbot.util.TerminalViewPager
 		android:id="@+id/console_flip"
 		android:layout_width="fill_parent"
 		android:layout_height="fill_parent"
diff --git a/app/src/main/res/layout/act_console.xml b/app/src/main/res/layout/act_console.xml
index 34f1d42..fea3a00 100644
--- a/app/src/main/res/layout/act_console.xml
+++ b/app/src/main/res/layout/act_console.xml
@@ -33,7 +33,7 @@
 		android:text="@string/terminal_no_hosts_connected"
 		android:textAppearance="?android:attr/textAppearanceMedium"/>
 
-	<android.support.v4.view.ViewPager
+	<org.connectbot.util.TerminalViewPager
 		android:id="@+id/console_flip"
 		android:layout_width="fill_parent"
 		android:layout_height="fill_parent"