Example usage for android.view KeyEvent hasNoModifiers

Introduction

In this page you can find the example usage for android.view KeyEvent hasNoModifiers.

Prototype

public final boolean hasNoModifiers() 

Source Link

Document

Returns true if no modifier keys are pressed.

Usage

From source file:com.duy.pascal.ui.editor.view.CodeSuggestsEditText.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (!hasFocus()) {
        requestFocus();/*from  w  w w  .  ja v a  2s.c  o m*/
    }
    if (mPopup.onKeyDown(keyCode, event)) {
        return true;
    }

    if (!isPopupShowing()) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (event.hasNoModifiers()) {
                performValidation();
            }
        }
    }

    if (isPopupShowing() && keyCode == KeyEvent.KEYCODE_TAB && event.hasNoModifiers()) {
        return true;
    }

    mLastKeyCode = keyCode;
    boolean handled = super.onKeyDown(keyCode, event);
    mLastKeyCode = KeyEvent.KEYCODE_UNKNOWN;

    if (handled && isPopupShowing()) {
        clearListSelection();
    }

    return handled;
}

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From source file:com.duy.pascal.ui.editor.view.CodeSuggestsEditText.java

@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
    boolean consumed = mPopup.onKeyUp(keyCode, event);
    if (consumed) {
        switch (keyCode) {
        // if the list accepts the key events and the key event
        // was a click, the text view gets the selected item
        // from the drop down as its content
        case KeyEvent.KEYCODE_ENTER:
        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_TAB:
            if (event.hasNoModifiers()) {
                performCompletion();/*w  w  w  . ja v  a 2s  .co  m*/
            }
            return true;
        }
    }

    if (isPopupShowing() && keyCode == KeyEvent.KEYCODE_TAB && event.hasNoModifiers()) {
        performCompletion();
        return true;
    }

    return super.onKeyUp(keyCode, event);
}

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From source file:com.android.ex.chips.RecipientEditTextView.java

/**
 * Monitor key presses in this view to see if the user types any commit keys, which consist of ENTER, TAB, or
 * DPAD_CENTER. If the user has entered text that has contact matches and types a commit key, create a chip from the
 * topmost matching contact. If the user has entered text that has no contact matches and types a commit key, then
 * create a chip from the text they have entered.
 *//*from  w  ww  . j  ava2s  .  co  m*/
@Override
public boolean onKeyUp(final int keyCode, final KeyEvent event) {
    switch (keyCode) {
    case KeyEvent.KEYCODE_TAB:
        if (event.hasNoModifiers())
            if (mSelectedChip != null)
                clearSelectedChip();
            else
                commitDefault();
        break;
    }
    return super.onKeyUp(keyCode, event);
}

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From source file:com.android.ex.chips.RecipientEditTextView.java

/**
 * If there is a selected chip, delegate the key events to the selected chip.
 *//* w w  w . j a  va2s.com*/
@Override
public boolean onKeyDown(final int keyCode, final KeyEvent event) {
    if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) {
        /*if(mAlternatesPopup!=null&&mAlternatesPopup.isShowing())
          mAlternatesPopup.dismiss();*/
        removeChip(mSelectedChip, true);
    }
    switch (keyCode) {
    case KeyEvent.KEYCODE_ENTER:
    case KeyEvent.KEYCODE_DPAD_CENTER:
        if (event.hasNoModifiers()) {
            if (commitDefault())
                return true;
            if (mSelectedChip != null) {
                clearSelectedChip();
                return true;
            } else if (focusNext())
                return true;
        }
        break;
    }
    return super.onKeyDown(keyCode, event);
}

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From source file:com.android.internal.widget.ViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy./* ww  w. j  av a  2  s . c  om*/
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_DPAD_LEFT:
            handled = arrowScroll(FOCUS_LEFT);
            break;
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            handled = arrowScroll(FOCUS_RIGHT);
            break;
        case KeyEvent.KEYCODE_TAB:
            if (event.hasNoModifiers()) {
                handled = arrowScroll(FOCUS_FORWARD);
            } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                handled = arrowScroll(FOCUS_BACKWARD);
            }
            break;
        }
    }
    return handled;
}

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From source file:com.nuwa.widgets.LoopViewPager.java

/**
 * You can call this function yourself to have the scroll view perform
 * scrolling from a key event, just as if the event had been dispatched to
 * it by the view hierarchy.//from  ww  w  . ja v  a  2s  .  co  m
 *
 * @param event The key event to execute.
 * @return Return true if the event was handled, else false.
 */
public boolean executeKeyEvent(KeyEvent event) {
    boolean handled = false;
    if (event.getAction() == KeyEvent.ACTION_DOWN) {
        switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_DPAD_LEFT:
            handled = arrowScroll(FOCUS_LEFT);
            break;
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            handled = arrowScroll(FOCUS_RIGHT);
            break;
        case KeyEvent.KEYCODE_TAB:
            if (Build.VERSION.SDK_INT >= 11) {
                // The focus finder had a bug handling FOCUS_FORWARD and FOCUS_BACKWARD
                // before Android 3.0. Ignore the tab key on those devices.
                if (event.hasNoModifiers()) {
                    handled = arrowScroll(FOCUS_FORWARD);
                } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                    handled = arrowScroll(FOCUS_BACKWARD);
                }
            }
            break;
        }
    }
    return handled;
}

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From source file:com.zhongsou.souyue.ui.HListView.java

@TargetApi(11)
private boolean commonKey(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }//  w  w  w. j a  va2 s  . c o  m

    if (mDataChanged) {
        layoutChildren();
    }

    if (android.os.Build.VERSION.SDK_INT < 11) {
        return false;
    }

    boolean handled = false;
    int action = event.getAction();

    if (action != KeyEvent.ACTION_UP) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_DPAD_UP:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_UP)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_DOWN)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (event.hasNoModifiers()) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_LEFT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (event.hasNoModifiers()) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_RIGHT);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_ENTER:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled && event.getRepeatCount() == 0 && getChildCount() > 0) {
                    keyPressed();
                    handled = true;
                }
            }
            break;

        case KeyEvent.KEYCODE_SPACE:

            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
            } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
            }
            handled = true;
            break;

        case KeyEvent.KEYCODE_PAGE_UP:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_PAGE_DOWN:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_HOME:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_END:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_TAB:
            break;
        }
    }

    if (handled) {
        return true;
    }

    switch (action) {
    case KeyEvent.ACTION_DOWN:
        return super.onKeyDown(keyCode, event);

    case KeyEvent.ACTION_UP:
        return super.onKeyUp(keyCode, event);

    case KeyEvent.ACTION_MULTIPLE:
        return super.onKeyMultiple(keyCode, count, event);

    default: // shouldn't happen
        return false;
    }
}

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From source file:com.awrtechnologies.carbudgetsales.hlistview.widget.HListView.java

@TargetApi(11)
private boolean commonKey(int keyCode, int count, KeyEvent event) {
    if (mAdapter == null || !mIsAttached) {
        return false;
    }/*from  www.  jav a  2s. c om*/

    if (mDataChanged) {
        layoutChildren();
    }

    if (android.os.Build.VERSION.SDK_INT < 11) {
        return false;
    }

    boolean handled = false;
    int action = event.getAction();

    if (action != KeyEvent.ACTION_UP) {
        switch (keyCode) {
        case KeyEvent.KEYCODE_DPAD_LEFT:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_UP)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_RIGHT:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled) {
                    while (count-- > 0) {
                        if (arrowScroll(FOCUS_DOWN)) {
                            handled = true;
                        } else {
                            break;
                        }
                    }
                }
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_UP:
            if (event.hasNoModifiers()) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_DOWN:
            if (event.hasNoModifiers()) {
                handled = handleHorizontalFocusWithinListItem(View.FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_DPAD_CENTER:
        case KeyEvent.KEYCODE_ENTER:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded();
                if (!handled && event.getRepeatCount() == 0 && getChildCount() > 0) {
                    keyPressed();
                    handled = true;
                }
            }
            break;

        case KeyEvent.KEYCODE_SPACE:

            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
            } else if (event.hasModifiers(KeyEvent.META_SHIFT_ON)) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
            }
            handled = true;
            break;

        case KeyEvent.KEYCODE_PAGE_UP:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_UP);
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_PAGE_DOWN:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || pageScroll(FOCUS_DOWN);
            } else if (event.hasModifiers(KeyEvent.META_ALT_ON)) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_HOME:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_UP);
            }
            break;

        case KeyEvent.KEYCODE_MOVE_END:
            if (event.hasNoModifiers()) {
                handled = resurrectSelectionIfNeeded() || fullScroll(FOCUS_DOWN);
            }
            break;

        case KeyEvent.KEYCODE_TAB:
            break;
        }
    }

    if (handled) {
        return true;
    }

    switch (action) {
    case KeyEvent.ACTION_DOWN:
        return super.onKeyDown(keyCode, event);

    case KeyEvent.ACTION_UP:
        return super.onKeyUp(keyCode, event);

    case KeyEvent.ACTION_MULTIPLE:
        return super.onKeyMultiple(keyCode, count, event);

    default: // shouldn't happen
        return false;
    }
}

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