1 files changed, 153 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..25be522c48
--- /dev/null
+++ b/src/android/jar/src/org/qtproject/qt/android/EditPopupMenu.java
@@ -0,0 +1,153 @@
+// 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.app.Activity;
+import android.content.Context;
+import android.graphics.Point;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewTreeObserver;
+import android.widget.PopupWindow;
+
+// Helper class that manages a cursor or selection handle
+class EditPopupMenu implements ViewTreeObserver.OnPreDrawListener, View.OnLayoutChangeListener,
+        EditContextView.OnClickListener
+{
+    private final View m_layout;
+    private final EditContextView m_view;
+    private PopupWindow m_popup = null;
+    private final Activity m_activity;
+    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_activity = activity;
+        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);
+        Point viewSize = m_view.getCalculatedSize();
+
+        final int[] layoutLocation = new int[2];
+        m_layout.getLocationOnScreen(layoutLocation);
+
+        // These values are used for handling split screen case
+        final int[] activityLocation = new int[2];
+        final int[] activityLocationInWindow = new int[2];
+        m_activity.getWindow().getDecorView().getLocationOnScreen(activityLocation);
+        m_activity.getWindow().getDecorView().getLocationInWindow(activityLocationInWindow);
+
+        int x2 = x + layoutLocation[0] - activityLocation[0];
+        int y2 = y + layoutLocation[1] + (activityLocationInWindow[1] - activityLocation[1]);
+
+        x2 -= viewSize.x / 2 ;
+
+        y2 -= viewSize.y;
+        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 + viewSize.x / 2)
+            x2 = m_layout.getWidth() - viewSize.x;
+
+        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 android.R.string.cut:
+            QtNativeInputConnection.cut();
+            break;
+        case android.R.string.copy:
+            QtNativeInputConnection.copy();
+            break;
+        case android.R.string.paste:
+            QtNativeInputConnection.paste();
+            break;
+        case android.R.string.selectAll:
+            QtNativeInputConnection.selectAll();
+            break;
+        }
+        hide();
+    }
+}