Update Android port

* doc/emacs/android.texi (Android File System): Describe an
easier way to disable scoped storage.
* java/AndroidManifest.xml.in: Add new permission to allow that.
* java/README: Add more text describing Java.
* java/org/gnu/emacs/EmacsContextMenu.java (Item): New fields
`isCheckable' and `isChecked'.
(EmacsContextMenu, addItem): New arguments.
(inflateMenuItems): Set checked status as appropriate.

* java/org/gnu/emacs/EmacsCopyArea.java (perform): Disallow
operations where width and height are less than or equal to
zero.
* lisp/menu-bar.el (menu-bar-edit-menu): Make
execute-extended-command available as a menu item.
* src/androidmenu.c (android_init_emacs_context_menu)
(android_menu_show):
* src/menu.c (have_boxes): Implement menu check boxes.

2 files changed, 25 insertions, 3 deletions

diff --git a/java/org/gnu/emacs/EmacsContextMenu.java b/java/org/gnu/emacs/EmacsContextMenu.java
index 056d8fb692c..92429410d03 100644
--- a/java/org/gnu/emacs/EmacsContextMenu.java
+++ b/java/org/gnu/emacs/EmacsContextMenu.java
@@ -56,7 +56,7 @@ public class EmacsContextMenu
     public int itemID;
     public String itemName;
     public EmacsContextMenu subMenu;
-    public boolean isEnabled;
+    public boolean isEnabled, isCheckable, isChecked;
 
     @Override
     public boolean
@@ -108,10 +108,15 @@ public class EmacsContextMenu
 
   /* Add a normal menu item to the context menu with the id ITEMID and
      the name ITEMNAME.  Enable it if ISENABLED, else keep it
-     disabled.  */
+     disabled.
+
+     If this is not a submenu and ISCHECKABLE is set, make the item
+     checkable.  Likewise, if ISCHECKED is set, make the item
+     checked.  */
 
   public void
-  addItem (int itemID, String itemName, boolean isEnabled)
+  addItem (int itemID, String itemName, boolean isEnabled,
+           boolean isCheckable, boolean isChecked)
   {
     Item item;
 
@@ -119,6 +124,8 @@ public class EmacsContextMenu
     item.itemID = itemID;
     item.itemName = itemName;
     item.isEnabled = isEnabled;
+    item.isCheckable = isCheckable;
+    item.isChecked = isChecked;
 
     menuItems.add (item);
   }
@@ -198,6 +205,15 @@ public class EmacsContextMenu
             /* If the item ID is zero, then disable the item.  */
             if (item.itemID == 0 || !item.isEnabled)
               menuItem.setEnabled (false);
+
+            /* Now make the menu item display a checkmark as
+               appropriate.  */
+
+            if (item.isCheckable)
+              menuItem.setCheckable (true);
+
+            if (item.isChecked)
+              menuItem.setChecked (true);
           }
       }
   }
diff --git a/java/org/gnu/emacs/EmacsCopyArea.java b/java/org/gnu/emacs/EmacsCopyArea.java
index 7a97d706794..f8974e17c2e 100644
--- a/java/org/gnu/emacs/EmacsCopyArea.java
+++ b/java/org/gnu/emacs/EmacsCopyArea.java
@@ -99,6 +99,12 @@ public class EmacsCopyArea
     if (src_y + height > srcBitmap.getHeight ())
       height = srcBitmap.getHeight () - src_y;
 
+    /* If width and height are empty or negative, then skip the entire
+       CopyArea operation lest createBitmap throw an exception.  */
+
+    if (width <= 0 || height <= 0)
+      return;
+
     rect = new Rect (dest_x, dest_y, dest_x + width,
                      dest_y + height);