Fix issue where wrong IME inputType would be set if termux was returned to from another app with text input view mode selected

app/src/main/java/com/termux/app/TermuxActivity.java

@@ -452,7 +452,7 @@ public final class TermuxActivity extends Activity implements ServiceConnection
 
 
     private void setTerminalToolbarView(Bundle savedInstanceState) {
-        final ViewPager terminalToolbarViewPager = findViewById(R.id.terminal_toolbar_view_pager);
+        final ViewPager terminalToolbarViewPager = getTerminalToolbarViewPager();
         if (mPreferences.shouldShowTerminalToolbar()) terminalToolbarViewPager.setVisibility(View.VISIBLE);
 
         ViewGroup.LayoutParams layoutParams = terminalToolbarViewPager.getLayoutParams();
@@ -469,8 +469,9 @@ public final class TermuxActivity extends Activity implements ServiceConnection
     }
 
     private void setTerminalToolbarHeight() {
-        final ViewPager terminalToolbarViewPager = findViewById(R.id.terminal_toolbar_view_pager);
+        final ViewPager terminalToolbarViewPager = getTerminalToolbarViewPager();
         if (terminalToolbarViewPager == null) return;
+
         ViewGroup.LayoutParams layoutParams = terminalToolbarViewPager.getLayoutParams();
         layoutParams.height = (int) Math.round(mTerminalToolbarDefaultHeight *
             (mProperties.getExtraKeysInfo() == null ? 0 : mProperties.getExtraKeysInfo().getMatrix().length) *
@@ -479,13 +480,13 @@ public final class TermuxActivity extends Activity implements ServiceConnection
     }
 
     public void toggleTerminalToolbar() {
-        final ViewPager terminalToolbarViewPager = findViewById(R.id.terminal_toolbar_view_pager);
+        final ViewPager terminalToolbarViewPager = getTerminalToolbarViewPager();
         if (terminalToolbarViewPager == null) return;
 
         final boolean showNow = mPreferences.toogleShowTerminalToolbar();
         Logger.showToast(this, (showNow ? getString(R.string.msg_enabling_terminal_toolbar) : getString(R.string.msg_disabling_terminal_toolbar)), true);
         terminalToolbarViewPager.setVisibility(showNow ? View.VISIBLE : View.GONE);
-        if (showNow && terminalToolbarViewPager.getCurrentItem() == 1) {
+        if (showNow && isTerminalToolbarTextInputViewSelected()) {
             // Focus the text input view if just revealed.
             findViewById(R.id.terminal_toolbar_text_input).requestFocus();
         }
@@ -744,6 +745,20 @@ public final class TermuxActivity extends Activity implements ServiceConnection
         return (DrawerLayout) findViewById(R.id.drawer_layout);
     }
 
+
+    public ViewPager getTerminalToolbarViewPager() {
+        return (ViewPager) findViewById(R.id.terminal_toolbar_view_pager);
+    }
+
+    public boolean isTerminalViewSelected() {
+        return getTerminalToolbarViewPager().getCurrentItem() == 0;
+    }
+
+    public boolean isTerminalToolbarTextInputViewSelected() {
+        return getTerminalToolbarViewPager().getCurrentItem() == 1;
+    }
+
+
     public void termuxSessionListNotifyUpdated() {
         mTermuxSessionListViewController.notifyDataSetChanged();
     }

app/src/main/java/com/termux/app/terminal/TermuxTerminalViewClient.java

@@ -186,6 +186,11 @@ public class TermuxTerminalViewClient extends TermuxTerminalViewClientBase {
         return mActivity.getProperties().isUsingCtrlSpaceWorkaround();
     }
 
+    @Override
+    public boolean isTerminalViewSelected() {
+        return mActivity.getTerminalToolbarViewPager() == null || mActivity.isTerminalViewSelected();
+    }
+
 
 
     @Override

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

@@ -262,20 +262,29 @@ public final class TerminalView extends View {
 
     @Override
     public InputConnection onCreateInputConnection(EditorInfo outAttrs) {
-        if (mClient.shouldEnforceCharBasedInput()) {
+        // Ensure that inputType is only set if TerminalView is selected view with the keyboard and
-            // Some keyboards seems do not reset the internal state on TYPE_NULL.
+        // an alternate view is not selected, like an EditText. This is necessary if an activity is
-            // Affects mostly Samsung stock keyboards.
+        // initially started with the alternate view or if activity is returned to from another app
-            // https://github.com/termux/termux-app/issues/686
+        // and the alternate view was the one selected the last time.
-            outAttrs.inputType = InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS;
+        if (mClient.isTerminalViewSelected()) {
+            if (mClient.shouldEnforceCharBasedInput()) {
+                // Some keyboards seems do not reset the internal state on TYPE_NULL.
+                // Affects mostly Samsung stock keyboards.
+                // https://github.com/termux/termux-app/issues/686
+                outAttrs.inputType = InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS;
+            } else {
+                // Using InputType.NULL is the most correct input type and avoids issues with other hacks.
+                //
+                // Previous keyboard issues:
+                // https://github.com/termux/termux-packages/issues/25
+                // https://github.com/termux/termux-app/issues/87.
+                // https://github.com/termux/termux-app/issues/126.
+                // https://github.com/termux/termux-app/issues/137 (japanese chars and TYPE_NULL).
+                outAttrs.inputType = InputType.TYPE_NULL;
+            }
         } else {
-            // Using InputType.NULL is the most correct input type and avoids issues with other hacks.
+            // Corresponds to android:inputType="text"
-            //
+            outAttrs.inputType =  InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_NORMAL;
-            // Previous keyboard issues:
-            // https://github.com/termux/termux-packages/issues/25
-            // https://github.com/termux/termux-app/issues/87.
-            // https://github.com/termux/termux-app/issues/126.
-            // https://github.com/termux/termux-app/issues/137 (japanese chars and TYPE_NULL).
-            outAttrs.inputType = InputType.TYPE_NULL;
         }
 
         // Note that IME_ACTION_NONE cannot be used as that makes it impossible to input newlines using the on-screen

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

@@ -34,6 +34,8 @@ public interface TerminalViewClient {
 
     boolean shouldUseCtrlSpaceWorkaround();
 
+    boolean isTerminalViewSelected();
+
 
 
     void copyModeChanged(boolean copyMode);

termux-shared/src/main/java/com/termux/shared/terminal/TermuxTerminalViewClientBase.java

@@ -33,6 +33,11 @@ public class TermuxTerminalViewClientBase implements TerminalViewClient {
         return false;
     }
 
+    @Override
+    public boolean isTerminalViewSelected() {
+        return true;
+    }
+
     @Override
     public void copyModeChanged(boolean copyMode) {
     }