focus-integration.cpp
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/*
* Copyright (c) 2020 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 <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/table-view/table-view.h>
#include "shared/view.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)
{
mWindow = application.GetWindow();
Vector2 windowSize = mWindow.GetSize();
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.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::TOP_LEFT);
contentTable.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::TOP_LEFT);
contentTable.SetCellPadding(Size(MARGIN_SIZE, MARGIN_SIZE * 0.5f));
contentTable.SetProperty(Actor::Property::KEYBOARD_FOCUSABLE, true);
for(unsigned int i = 0; i < contentTable.GetRows(); ++i)
{
contentTable.SetFitHeight(i);
}
contentTable.SetProperty(Actor::Property::POSITION, Vector2(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.SetProperty(Actor::Property::SIZE, Vector2(windowSize.width, windowSize.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.SetProperty(Actor::Property::SIZE, Vector2(windowSize.width, windowSize.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.SetProperty(Actor::Property::KEYBOARD_FOCUSABLE, 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.SetProperty(Actor::Property::KEYBOARD_FOCUSABLE, true);
control.SetProperty(Dali::Actor::Property::NAME, ITEMNAME[i]);
control.SetResizePolicy(ResizePolicy::FILL_TO_PARENT, Dimension::ALL_DIMENSIONS);
control.KeyEventSignal().Connect(this, &FocusIntegrationExample::OnControlKeyEvent);
}
KeyboardFocusManager::Get().PreFocusChangeSignal().Connect(this, &FocusIntegrationExample::OnPreFocusChange);
// Respond to key events
mWindow.KeyEventSignal().Connect(this, &FocusIntegrationExample::OnKeyEvent);
}
// 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.GetProperty<std::string>(Dali::Actor::Property::NAME);
mEventLabel.SetProperty(TextLabel::Property::TEXT, controlName + "'s KeyEvent works\n");
return false;
}
private:
/**
* Main key event handler
*/
void OnKeyEvent(const KeyEvent& event)
{
if(event.GetState() == KeyEvent::DOWN)
{
if(IsKey(event, DALI_KEY_ESCAPE) || IsKey(event, DALI_KEY_BACK))
{
mApplication.Quit();
}
}
}
private:
Application& mApplication;
Window mWindow;
TableView mContainer;
TextLabel mEventLabel;
Toolkit::Control mView; ///< The View instance.
Toolkit::ToolBar mToolBar; ///< The View's Toolbar.
Layer mContentLayer; ///< Content layer.
};
//
int DALI_EXPORT_API main(int argc, char** argv)
{
Application application = Application::New(&argc, &argv);
FocusIntegrationExample test(application);
application.MainLoop();
return 0;
}