Bump version to 0.53

C1 control codes are not used nowadays and just risks messing up
the terminal when they are used by accident.

app/build.gradle

@@ -14,8 +14,8 @@ android {
         applicationId "com.termux"
         minSdkVersion 21
         targetSdkVersion 25
-        versionCode 51
+        versionCode 53
-        versionName "0.51"
+        versionName "0.53"
     }
 
     buildTypes {

app/src/main/AndroidManifest.xml

@@ -99,6 +99,7 @@
                   android:grantUriPermissions="true"
                   android:name="com.termux.app.TermuxOpenReceiver$ContentProvider" />
 
+        <meta-data android:name="com.sec.android.support.multiwindow" android:value="true" />
     </application>
 
 </manifest>

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.2'
+        classpath 'com.android.tools.build:gradle:2.3.3'
     }
 }
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Mar 06 01:34:12 CET 2017
+#Sun Jun 11 22:47:00 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.5-bin.zip

terminal-emulator/src/main/java/com/termux/terminal/TerminalEmulator.java

@@ -419,10 +419,11 @@ public final class TerminalEmulator {
                     mUtf8Index = mUtf8ToFollow = 0;
 
                     if (codePoint >= 0x80 && codePoint <= 0x9F) {
-                        // Sequence decoded to a C1 control character which is the same as escape followed by
+                        // Sequence decoded to a C1 control character which we ignore. They are
-                        // ((code & 0x7F) + 0x40).
+                        // not used nowadays and increases the risk of messing up the terminal state
-                        processCodePoint(/* escape (hexadecimal=0x1B, octal=033): */27);
+                        // on binary input. XTerm does not allow them in utf-8:
-                        processCodePoint((codePoint & 0x7F) + 0x40);
+                        // "It is not possible to use a C1 control obtained from decoding the
+                        // UTF-8 text" - http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
                     } else {
                         switch (Character.getType(codePoint)) {
                             case Character.UNASSIGNED:

terminal-view/src/main/java/com/termux/view/TerminalView.java

@@ -834,6 +834,10 @@ public final class TerminalView extends View {
 
                 @Override
                 public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
+                    if (!mIsSelectingText) {
+                        // Fix issue where the dialog is pressed while being dismissed.
+                        return true;
+                    }
                     switch (item.getItemId()) {
                         case 1:
                             String selectedText = mEmulator.getSelectedText(mSelX1, mSelY1, mSelX2, mSelY2).trim();