diff options
Diffstat (limited to 'src/android/jar/src/org/qtproject/qt/android/EditPopupMenu.java')
| -rw-r--r-- | src/android/jar/src/org/qtproject/qt/android/EditPopupMenu.java | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/android/jar/src/org/qtproject/qt/android/EditPopupMenu.java b/src/android/jar/src/org/qtproject/qt/android/EditPopupMenu.java new file mode 100644 index 0000000000..131f2a103f --- /dev/null +++ b/src/android/jar/src/org/qtproject/qt/android/EditPopupMenu.java @@ -0,0 +1,186 @@ +/**************************************************************************** +** +** Copyright (C) 2018 BogDan Vatra <bogdan@kde.org> +** Copyright (C) 2016 Olivier Goffart <ogoffart@woboq.com> +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Android port of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +package org.qtproject.qt.android; + +import android.content.Context; +import android.os.Bundle; +import android.util.Log; +import android.view.LayoutInflater; +import android.view.View; +import android.widget.LinearLayout; +import android.widget.ImageView; +import android.content.res.TypedArray; +import android.graphics.drawable.Drawable; +import android.view.MotionEvent; +import android.widget.PopupWindow; +import android.app.Activity; +import android.view.ViewTreeObserver; +import android.view.View.OnClickListener; +import android.view.ViewGroup.LayoutParams; +import android.view.ViewGroup; +import android.R; + +// Helper class that manages a cursor or selection handle +public class EditPopupMenu implements ViewTreeObserver.OnPreDrawListener, View.OnLayoutChangeListener, + EditContextView.OnClickListener +{ + private View m_layout = null; + private EditContextView m_view = null; + private PopupWindow m_popup = null; + private int m_posX; + private int m_posY; + private int m_buttons; + private CursorHandle m_cursorHandle; + private CursorHandle m_leftSelectionHandle; + private CursorHandle m_rightSelectionHandle; + + public EditPopupMenu(Activity activity, View layout) + { + m_view = new EditContextView(activity, this); + m_view.addOnLayoutChangeListener(this); + + m_layout = layout; + } + + private void initOverlay() + { + if (m_popup != null) + return; + + Context context = m_layout.getContext(); + m_popup = new PopupWindow(context, null, android.R.attr.textSelectHandleWindowStyle); + m_popup.setSplitTouchEnabled(true); + m_popup.setClippingEnabled(false); + m_popup.setContentView(m_view); + m_popup.setWidth(ViewGroup.LayoutParams.WRAP_CONTENT); + m_popup.setHeight(ViewGroup.LayoutParams.WRAP_CONTENT); + + m_layout.getViewTreeObserver().addOnPreDrawListener(this); + } + + // Show the handle at a given position (or move it if it is already shown) + public void setPosition(final int x, final int y, final int buttons, + CursorHandle cursorHandle, CursorHandle leftSelectionHandle, CursorHandle rightSelectionHandle) + { + initOverlay(); + + m_view.updateButtons(buttons); + final int[] location = new int[2]; + m_layout.getLocationOnScreen(location); + + int x2 = x + location[0]; + int y2 = y + location[1]; + + x2 -= m_view.getWidth() / 2 ; + + y2 -= m_view.getHeight(); + if (y2 < 0) { + if (cursorHandle != null) + y2 = cursorHandle.bottom(); + else if (leftSelectionHandle != null && rightSelectionHandle != null) + y2 = Math.max(leftSelectionHandle.bottom(), rightSelectionHandle.bottom()); + } + + if (m_layout.getWidth() < x + m_view.getWidth() / 2) + x2 = m_layout.getWidth() - m_view.getWidth(); + + if (x2 < 0) + x2 = 0; + + if (m_popup.isShowing()) + m_popup.update(x2, y2, -1, -1); + else + m_popup.showAtLocation(m_layout, 0, x2, y2); + + m_posX = x; + m_posY = y; + m_buttons = buttons; + m_cursorHandle = cursorHandle; + m_leftSelectionHandle = leftSelectionHandle; + m_rightSelectionHandle = rightSelectionHandle; + } + + public void hide() { + if (m_popup != null) { + m_popup.dismiss(); + m_popup = null; + } + } + + @Override + public boolean onPreDraw() { + // This hook is called when the view location is changed + // For example if the keyboard appears. + // Adjust the position of the handle accordingly + if (m_popup != null && m_popup.isShowing()) + setPosition(m_posX, m_posY, m_buttons, m_cursorHandle, m_leftSelectionHandle, m_rightSelectionHandle); + + return true; + } + + @Override + public void onLayoutChange(View v, int left, int top, int right, int bottom, + int oldLeft, int oldTop, int oldRight, int oldBottom) + { + if ((right - left != oldRight - oldLeft || bottom - top != oldBottom - oldTop) && + m_popup != null && m_popup.isShowing()) + setPosition(m_posX, m_posY, m_buttons, m_cursorHandle, m_leftSelectionHandle, m_rightSelectionHandle); + } + + @Override + public void contextButtonClicked(int buttonId) { + switch (buttonId) { + case R.string.cut: + QtNativeInputConnection.cut(); + break; + case R.string.copy: + QtNativeInputConnection.copy(); + break; + case R.string.paste: + QtNativeInputConnection.paste(); + break; + case R.string.selectAll: + QtNativeInputConnection.selectAll(); + break; + } + hide(); + } +} |