Focus Integration Sample

You can check the InputFocus is given to focused Control.
After that, when key is pressed, focused control's KeyEvent callback will be called.

Change-Id: I93c605e7bcde5505099948445c762873f57e8381
Signed-off-by: minho.sun <minho.sun@samsung.com>

6 files changed, 216 insertions, 0 deletions

diff --git a/com.samsung.dali-demo.xml b/com.samsung.dali-demo.xml
index 17056782..e26f63ac 100644
--- a/com.samsung.dali-demo.xml
+++ b/com.samsung.dali-demo.xml
@@ -197,4 +197,7 @@
 	<ui-application appid="pivot.example" exec="/usr/apps/com.samsung.dali-demo/bin/pivot.example" nodisplay="true" multiple="false" type="c++app" taskmanage="true">
 		<label>Clipping</label>
 	</ui-application>
+	<ui-application appid="focus-integration.example" exec="/usr/apps/com.samsung.dali-demo/bin/focus-integration.example" nodisplay="true" multiple="false" type="c++app" taskmanage="true">
+		<label>Focus Integration</label>
+	</ui-application>
 </manifest>
diff --git a/examples-reel/dali-examples-reel.cpp b/examples-reel/dali-examples-reel.cpp
index 2995ea89..adc351d8 100644
--- a/examples-reel/dali-examples-reel.cpp
+++ b/examples-reel/dali-examples-reel.cpp
@@ -44,6 +44,7 @@ int DALI_EXPORT_API main(int argc, char **argv)
   demo.AddExample(Example("dissolve-effect.example", DALI_DEMO_STR_TITLE_DISSOLVE_TRANSITION));
   demo.AddExample(Example("effects-view.example", DALI_DEMO_STR_TITLE_EFFECTS_VIEW));
   demo.AddExample(Example("flex-container.example", DALI_DEMO_STR_TITLE_FLEXBOX_PLAYGROUND));
+  demo.AddExample(Example("focus-integration.example", DALI_DEMO_STR_TITLE_FOCUS_INTEGRATION));
   demo.AddExample(Example("gradients.example", DALI_DEMO_STR_TITLE_COLOR_GRADIENT));
   demo.AddExample(Example("image-scaling-and-filtering.example", DALI_DEMO_STR_TITLE_IMAGE_FITTING_SAMPLING));
   demo.AddExample(Example("image-scaling-irregular-grid.example", DALI_DEMO_STR_TITLE_IMAGE_SCALING));
diff --git a/examples/focus-integration/focus-integration.cpp b/examples/focus-integration/focus-integration.cpp
new file mode 100644
index 00000000..10520b9a
--- /dev/null
+++ b/examples/focus-integration/focus-integration.cpp
@@ -0,0 +1,204 @@
+/*
+ * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "shared/view.h"
+#include <dali-toolkit/dali-toolkit.h>
+
+using namespace Dali;
+using namespace Dali::Toolkit;
+
+namespace
+{
+
+const char* const BACKGROUND_IMAGE = DEMO_IMAGE_DIR "background-gradient.jpg";
+const char* const TOOLBAR_IMAGE = DEMO_IMAGE_DIR "top-bar.png";
+const char* const TOOLBAR_TITLE = "Focus Integration";
+const Vector4 BACKGROUND_COLOUR( 1.0f, 1.0f, 1.0f, 0.15f );
+
+// Layout sizes
+const int MARGIN_SIZE = 10;
+const int TOP_MARGIN = 85;
+const std::string ITEMNAME[] = { "TextLabel", "TextField", "TextEditor", "PushButton", "RadioButton", "CheckBoxButton" };
+
+}  // namespace
+
+/**
+ * @brief Shows how integrated DALi Focus works.
+ */
+class FocusIntegrationExample: public ConnectionTracker
+{
+public:
+
+  FocusIntegrationExample( Application& application )
+    : mApplication( application )
+  {
+    // Connect to the Application's Init signal
+    mApplication.InitSignal().Connect( this, &FocusIntegrationExample::Create );
+  }
+
+  void Create( Application& application )
+  {
+    mStage = Stage::GetCurrent();
+    mContentLayer = DemoHelper::CreateView( application,
+                                            mView,
+                                            mToolBar,
+                                            BACKGROUND_IMAGE,
+                                            TOOLBAR_IMAGE,
+                                            TOOLBAR_TITLE );
+
+    TableView contentTable = TableView::New(2, 1);
+    contentTable.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
+    contentTable.SetResizePolicy(ResizePolicy::USE_NATURAL_SIZE, Dimension::HEIGHT);
+    contentTable.SetAnchorPoint(AnchorPoint::TOP_LEFT);
+    contentTable.SetParentOrigin(ParentOrigin::TOP_LEFT);
+    contentTable.SetCellPadding(Size(MARGIN_SIZE, MARGIN_SIZE * 0.5f));
+    contentTable.SetKeyboardFocusable(true);
+
+    for( unsigned int i = 0; i < contentTable.GetRows(); ++i )
+    {
+      contentTable.SetFitHeight( i );
+    }
+    contentTable.SetPosition( 0.0f, TOP_MARGIN );
+    mContentLayer.Add( contentTable );
+
+    // Create label to display which control's KeyEvent callback is called
+    mEventLabel = TextLabel::New("Controls don't get KeyEvent yet");
+    mEventLabel.SetSize( mStage.GetSize().width, mStage.GetSize().height*0.1f );
+    mEventLabel.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
+    mEventLabel.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
+    mEventLabel.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
+    mEventLabel.SetBackgroundColor( Color::WHITE );
+    contentTable.Add( mEventLabel );
+
+    mContainer = TableView::New( 4, 3 );
+    mContainer.SetSize( mStage.GetSize().width, mStage.GetSize().height*0.4f );
+    mContainer.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::WIDTH);
+    mContainer.SetBackgroundColor( BACKGROUND_COLOUR );
+    mContainer.SetCellPadding( Size( MARGIN_SIZE, MARGIN_SIZE ) );
+    mContainer.SetRelativeHeight( 0, 0.2f);
+    mContainer.SetRelativeHeight( 1, 0.3f);
+    mContainer.SetRelativeHeight( 2, 0.2f);
+    mContainer.SetRelativeHeight( 3, 0.3f);
+    mContainer.SetKeyboardFocusable(true);
+    contentTable.Add( mContainer );
+
+    // Make name label for each controls
+    for(int i = 0; i < 6; i++)
+    {
+      TextLabel itemLabel = TextLabel::New( ITEMNAME[i] );
+      itemLabel.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
+      itemLabel.SetBackgroundColor( BACKGROUND_COLOUR );
+      itemLabel.SetProperty( TextLabel::Property::POINT_SIZE, 14.0f );
+      itemLabel.SetProperty( TextLabel::Property::VERTICAL_ALIGNMENT, "CENTER" );
+      itemLabel.SetProperty( TextLabel::Property::HORIZONTAL_ALIGNMENT, "CENTER" );
+      mContainer.AddChild( itemLabel, TableView::CellPosition( (i/3)*2, i%3 ) );
+    }
+
+    TextLabel textLabel = TextLabel::New("TextLabel");
+    mContainer.AddChild( textLabel, TableView::CellPosition( 1, 0 ) );
+
+    TextField textField = TextField::New();
+    textField.SetBackgroundColor( Color::WHITE );
+    textField.SetProperty( TextField::Property::TEXT, "Text" );
+    mContainer.AddChild( textField, TableView::CellPosition( 1, 1 ) );
+
+    TextEditor textEditor = TextEditor::New();
+    textEditor.SetBackgroundColor( Color::WHITE );
+    textEditor.SetProperty( TextEditor::Property::TEXT, "Text\nText" );
+    mContainer.AddChild( textEditor, TableView::CellPosition( 1, 2 ) );
+
+    PushButton pushButton = PushButton::New();
+    mContainer.AddChild( pushButton, TableView::CellPosition( 3, 0 ) );
+
+    RadioButton radioButton = RadioButton::New();
+    mContainer.AddChild( radioButton, TableView::CellPosition( 3, 1 ) );
+
+    CheckBoxButton checkBoxButton = CheckBoxButton::New();
+    mContainer.AddChild( checkBoxButton, TableView::CellPosition( 3, 2 ) );
+
+    // Set name and keyboard focusable for each controls
+    for(int i = 0; i<6; i++)
+    {
+      Control control = Control::DownCast( mContainer.GetChildAt( TableView::CellPosition( (i/3)*2+1, i%3 ) ) );
+      control.SetKeyboardFocusable(true);
+      control.SetName(ITEMNAME[i]);
+      control.SetResizePolicy( ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS );
+      control.KeyEventSignal().Connect( this, &FocusIntegrationExample::OnControlKeyEvent );
+    }
+
+    KeyboardFocusManager::Get().PreFocusChangeSignal().Connect( this, &FocusIntegrationExample::OnPreFocusChange );
+  }
+
+  // Callback for KeyboardFocusManager
+  Actor OnPreFocusChange( Actor current, Actor next, Control::KeyboardFocus::Direction direction )
+  {
+    if( !current && !next )
+    {
+      next = mContainer.GetChildAt( TableView::CellPosition( 1, 0 ) );
+    }
+    return next;
+  }
+
+  // Callback for each controls.
+  // Display current control name.
+  bool OnControlKeyEvent( Control control, const KeyEvent& event )
+  {
+    std::string controlName = control.GetName();
+    mEventLabel.SetProperty( TextLabel::Property::TEXT, controlName+"'s KeyEvent works\n" );
+
+    return false;
+  }
+
+private:
+
+  /**
+   * Main key event handler
+   */
+  void OnKeyEvent(const KeyEvent& event)
+  {
+    if(event.state == KeyEvent::Down)
+    {
+      if( IsKey( event, DALI_KEY_ESCAPE) || IsKey( event, DALI_KEY_BACK ) )
+      {
+        mApplication.Quit();
+      }
+    }
+  }
+
+private:
+
+  Application&  mApplication;
+  Stage mStage;
+  TableView mContainer;
+  TextLabel mEventLabel;
+  Toolkit::Control  mView;                              ///< The View instance.
+  Toolkit::ToolBar  mToolBar;                           ///< The View's Toolbar.
+  Layer             mContentLayer;                      ///< Content layer.
+};
+
+// Entry point for Linux & Tizen applications
+//
+int DALI_EXPORT_API main( int argc, char **argv )
+{
+  Application application = Application::New( &argc, &argv );
+
+  FocusIntegrationExample test( application );
+
+  application.MainLoop();
+
+  return 0;
+}
diff --git a/resources/po/en_GB.po b/resources/po/en_GB.po
index 6ab45311..ed2233a0 100755
--- a/resources/po/en_GB.po
+++ b/resources/po/en_GB.po
@@ -168,3 +168,6 @@ msgstr "Draw triangle"
 
 msgid "DALI_DEMO_STR_TITLE_RENDERING_DRAW_LINE"
 msgstr "Draw line"
+
+msgid "DALI_DEMO_STR_TITLE_FOCUS_INTEGRATION"
+msgstr "Focus integration"
diff --git a/resources/po/en_US.po b/resources/po/en_US.po
index bdf64d47..cc16c773 100755
--- a/resources/po/en_US.po
+++ b/resources/po/en_US.po
@@ -168,3 +168,6 @@ msgstr "Draw triangle"
 
 msgid "DALI_DEMO_STR_TITLE_RENDERING_DRAW_LINE"
 msgstr "Draw line"
+
+msgid "DALI_DEMO_STR_TITLE_FOCUS_INTEGRATION"
+msgstr "Focus integration"
diff --git a/shared/dali-demo-strings.h b/shared/dali-demo-strings.h
index 11be2f68..fc182de7 100644
--- a/shared/dali-demo-strings.h
+++ b/shared/dali-demo-strings.h
@@ -46,6 +46,7 @@ extern "C"
 #define DALI_DEMO_STR_TITLE_EMOJI_TEXT                  dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_EMOJI_TEXT")
 #define DALI_DEMO_STR_TITLE_FPP_GAME                    dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_FPP_GAME")
 #define DALI_DEMO_STR_TITLE_FLEXBOX_PLAYGROUND          dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_FLEXBOX_PLAYGROUND")
+#define DALI_DEMO_STR_TITLE_FOCUS_INTEGRATION           dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_FOCUS_INTEGRATION")
 #define DALI_DEMO_STR_TITLE_IMAGE_FITTING_SAMPLING      dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_FITTING_SAMPLING")
 #define DALI_DEMO_STR_TITLE_IMAGE_SCALING               dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_SCALING")
 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW                  dgettext(DALI_DEMO_DOMAIN_LOCAL, "DALI_DEMO_STR_TITLE_IMAGE_VIEW")
@@ -105,6 +106,7 @@ extern "C"
 #define DALI_DEMO_STR_TITLE_EMOJI_TEXT                  "Emoji Text"
 #define DALI_DEMO_STR_TITLE_FPP_GAME                    "First Person Game"
 #define DALI_DEMO_STR_TITLE_FLEXBOX_PLAYGROUND          "Flexbox Playground"
+#define DALI_DEMO_STR_TITLE_FOCUS_INTEGRATION           "Focus Integration"
 #define DALI_DEMO_STR_TITLE_IMAGE_FITTING_SAMPLING      "Image Fitting and Sampling"
 #define DALI_DEMO_STR_TITLE_IMAGE_SCALING               "Image Scaling Grid"
 #define DALI_DEMO_STR_TITLE_IMAGE_VIEW                  "Image View"