simple-text-field.cpp
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/*
* Copyright (c) 2021 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.
*
*/
/**
* @file simple-text-field-example.cpp
* @brief Very basic usage of TextField control
*/
// EXTERNAL INCLUDES
#include <dali-toolkit/dali-toolkit.h>
#include <dali-toolkit/devel-api/controls/text-controls/text-field-devel.h>
#include <iostream>
using namespace Dali;
using namespace Dali::Toolkit;
/**
* @brief The main class of the demo.
*/
class SimpleTextFieldExample : public ConnectionTracker
{
public:
SimpleTextFieldExample(Application& application)
: mApplication(application)
{
// Connect to the Application's Init signal
mApplication.InitSignal().Connect(this, &SimpleTextFieldExample::Create);
}
~SimpleTextFieldExample()
{
// Nothing to do here.
}
/**
* One-time setup in response to Application InitSignal.
*/
void Create(Application& application)
{
Window window = application.GetWindow();
window.KeyEventSignal().Connect(this, &SimpleTextFieldExample::OnKeyEvent);
window.SetBackgroundColor(Vector4(0.04f, 0.345f, 0.392f, 1.0f));
mTextField = TextField::New();
mTextField.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
mTextField.SetProperty(Actor::Property::SIZE, Vector2(300.f, 60.f));
mTextField.SetBackgroundColor(Color::WHITE);
mTextField.SetProperty(TextField::Property::TEXT_COLOR, Color::BLACK);
mTextField.SetProperty(TextField::Property::PLACEHOLDER_TEXT, "Unnamed folder");
mTextField.SetProperty(TextField::Property::PLACEHOLDER_TEXT_FOCUSED, "Enter folder name.");
mButtonSelectionStart = PushButton::New();
mButtonSelectionEnd = PushButton::New();
mButtonSelectionStart.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
mButtonSelectionStart.SetProperty(Actor::Property::SIZE, Vector2(140.f, 50.f));
mButtonSelectionStart.SetProperty(Actor::Property::POSITION, Vector2(0.f, 80.f));
mButtonSelectionStart.SetBackgroundColor(Color::BLUE);
mButtonSelectionStart.SetProperty(Button::Property::LABEL, "select <--");
mButtonSelectionStart.ClickedSignal().Connect(this, &SimpleTextFieldExample::OnButtonClicked);
mButtonSelectionEnd.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
mButtonSelectionEnd.SetProperty(Actor::Property::SIZE, Vector2(140.f, 50.f));
mButtonSelectionEnd.SetProperty(Actor::Property::POSITION, Vector2(0.f, 140.f));
mButtonSelectionEnd.SetBackgroundColor(Color::BLUE);
mButtonSelectionEnd.SetProperty(Button::Property::LABEL, "select -->");
mButtonSelectionEnd.ClickedSignal().Connect(this, &SimpleTextFieldExample::OnButtonClicked);
mBtnEditable = PushButton::New();
mBtnEditable.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
mBtnEditable.SetProperty(Actor::Property::SIZE, Vector2(250.f, 80.f));
mBtnEditable.SetProperty(Actor::Property::POSITION, Vector2(0, 220.f));
mBtnEditable.SetBackgroundColor(Color::RED);
mBtnEditable.SetProperty(Button::Property::LABEL, "Non-editable");
mBtnEditable.ClickedSignal().Connect(this, &SimpleTextFieldExample::OnButtonClicked);
window.Add(mTextField);
window.Add(mButtonSelectionStart);
window.Add(mButtonSelectionEnd);
window.Add(mBtnEditable);
}
bool OnButtonClicked(Button button)
{
if(button == mButtonSelectionStart)
{
int iStart = mTextField.GetProperty(DevelTextField::Property::SELECTED_TEXT_START).Get<int>() - 1;
if(iStart < 0)
{
iStart = 0;
}
mTextField.SetProperty(DevelTextField::Property::SELECTED_TEXT_START, iStart);
}
else if(button == mButtonSelectionEnd)
{
mTextField.SetProperty(DevelTextField::Property::SELECTED_TEXT_END, mTextField.GetProperty(DevelTextField::Property::SELECTED_TEXT_END).Get<int>() + 1);
}
else if(mBtnEditable == button)
{
bool bEditable = !mTextField.GetProperty(DevelTextField::Property::ENABLE_EDITING).Get<int>();
mTextField.SetProperty(DevelTextField::Property::ENABLE_EDITING, bEditable);
if(bEditable)
{
mBtnEditable.SetProperty(Button::Property::LABEL, "Non-editable");
mBtnEditable.SetBackgroundColor(Color::RED);
}
else
{
mBtnEditable.SetProperty(Button::Property::LABEL, "editable");
mBtnEditable.SetBackgroundColor(Color::GREEN);
}
}
return true;
}
/**
* 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;
TextField mTextField;
PushButton mButtonSelectionStart;
PushButton mButtonSelectionEnd;
PushButton mBtnEditable;
};
void RunTest(Application& application)
{
SimpleTextFieldExample test(application);
application.MainLoop();
}
/** Entry point for Linux & Tizen applications */
int DALI_EXPORT_API main(int argc, char** argv)
{
// DALI_DEMO_THEME_PATH not passed to Application so TextField example uses default Toolkit style sheet.
Application application = Application::New(&argc, &argv);
RunTest(application);
return 0;
}