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Java KeyEvent.META_CTRL_MASK屬性代碼示例

本文整理匯總了Java中android.view.KeyEvent.META_CTRL_MASK屬性的典型用法代碼示例。如果您正苦於以下問題:Java KeyEvent.META_CTRL_MASK屬性的具體用法?Java KeyEvent.META_CTRL_MASK怎麽用?Java KeyEvent.META_CTRL_MASK使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在android.view.KeyEvent的用法示例。


在下文中一共展示了KeyEvent.META_CTRL_MASK屬性的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: onKeyDown

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (LOG_KEY_EVENTS)
        Log.i(EmulatorDebug.LOG_TAG, "onKeyDown(keyCode=" + keyCode + ", isSystem()=" + event.isSystem() + ", event=" + event + ")");
    if (mEmulator == null) return true;

    if (mClient.onKeyDown(keyCode, event, mTermSession)) {
        invalidate();
        return true;
    } else if (event.isSystem() && (!mClient.shouldBackButtonBeMappedToEscape() || keyCode != KeyEvent.KEYCODE_BACK)) {
        return super.onKeyDown(keyCode, event);
    } else if (event.getAction() == KeyEvent.ACTION_MULTIPLE && keyCode == KeyEvent.KEYCODE_UNKNOWN) {
        mTermSession.write(event.getCharacters());
        return true;
    }

    final int metaState = event.getMetaState();
    final boolean controlDownFromEvent = event.isCtrlPressed();
    final boolean leftAltDownFromEvent = (metaState & KeyEvent.META_ALT_LEFT_ON) != 0;
    final boolean rightAltDownFromEvent = (metaState & KeyEvent.META_ALT_RIGHT_ON) != 0;

    int keyMod = 0;
    if (controlDownFromEvent) keyMod |= KeyHandler.KEYMOD_CTRL;
    if (event.isAltPressed()) keyMod |= KeyHandler.KEYMOD_ALT;
    if (event.isShiftPressed()) keyMod |= KeyHandler.KEYMOD_SHIFT;
    if (handleKeyCode(keyCode, keyMod)) {
        if (LOG_KEY_EVENTS) Log.i(EmulatorDebug.LOG_TAG, "handleKeyCode() took key event");
        return true;
    }

    // Clear Ctrl since we handle that ourselves:
    int bitsToClear = KeyEvent.META_CTRL_MASK;
    if (rightAltDownFromEvent) {
        // Let right Alt/Alt Gr be used to compose characters.
    } else {
        // Use left alt to send to terminal (e.g. Left Alt+B to jump back a word), so remove:
        bitsToClear |= KeyEvent.META_ALT_ON | KeyEvent.META_ALT_LEFT_ON;
    }
    int effectiveMetaState = event.getMetaState() & ~bitsToClear;

    int result = event.getUnicodeChar(effectiveMetaState);
    if (LOG_KEY_EVENTS)
        Log.i(EmulatorDebug.LOG_TAG, "KeyEvent#getUnicodeChar(" + effectiveMetaState + ") returned: " + result);
    if (result == 0) {
        return true;
    }

    int oldCombiningAccent = mCombiningAccent;
    if ((result & KeyCharacterMap.COMBINING_ACCENT) != 0) {
        // If entered combining accent previously, write it out:
        if (mCombiningAccent != 0)
            inputCodePoint(mCombiningAccent, controlDownFromEvent, leftAltDownFromEvent);
        mCombiningAccent = result & KeyCharacterMap.COMBINING_ACCENT_MASK;
    } else {
        if (mCombiningAccent != 0) {
            int combinedChar = KeyCharacterMap.getDeadChar(mCombiningAccent, result);
            if (combinedChar > 0) result = combinedChar;
            mCombiningAccent = 0;
        }
        inputCodePoint(result, controlDownFromEvent, leftAltDownFromEvent);
    }

    if (mCombiningAccent != oldCombiningAccent) invalidate();

    if (onAutoCompleteListener != null) {
        if (event.isPrintingKey()) {
            char printingChar = (char) event.getUnicodeChar(metaState);
            if (printingChar != '\b') {
                // ASCII chars
                onAutoCompleteListener.onCompletionRequired(new String(new char[]{printingChar}));
            }
        }
    }

    return true;
}
 
開發者ID:NeoTerm,項目名稱:NeoTerm,代碼行數:76,代碼來源:TerminalView.java


注:本文中的android.view.KeyEvent.META_CTRL_MASK屬性示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。