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// Copyright (C) 2018 BogDan Vatra <bogdan@kde.org>
// Copyright (C) 2016 Olivier Goffart <ogoffart@woboq.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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 (y2 <= 0)
m_layout.requestLayout();
}
}
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();
}
}
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