axmol/cocos/platform/winrt/Keyboard-winrt.cpp

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2014 Chukong Technologies Inc.

* Portions Copyright (c) Microsoft Open Technologies, Inc.
* All Rights Reserved
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#include "Keyboard-winrt.h"

using namespace cocos2d;
using namespace Platform;
using namespace Concurrency;
using namespace Windows::System;
using namespace Windows::System::Threading;
using namespace Windows::UI::Core;
using namespace Windows::UI::Input;
using namespace Windows::UI::Xaml;
using namespace Windows::UI::Xaml::Controls;
using namespace Windows::UI::Xaml::Input;

NS_CC_BEGIN

KeyBoardWinRT::KeyBoardWinRT()
{

}

KeyBoardWinRT::~KeyBoardWinRT()
{

}

KeyBoardWinRT::KeyBoardWinRT(Windows::UI::Core::CoreDispatcher^ dispatcher, Windows::UI::Xaml::Controls::Panel^ panel)
    : m_dispatcher(dispatcher)
    , m_panel(panel)
{

}

void KeyBoardWinRT::ShowKeyboard(Platform::String^ text)
{
    if (m_dispatcher.Get() && m_panel.Get())
    {
        // run on main UI thread
        m_dispatcher.Get()->RunAsync(Windows::UI::Core::CoreDispatcherPriority::Normal, ref new DispatchedHandler([this, text]()
        {
            if (m_textBox == nullptr)
            {
                m_textBox = ref new TextBox();
                m_textBox->Opacity = 0.0;
                m_textBox->Width = 1;
                m_textBox->Height = 1;
                m_textBox->AddHandler(UIElement::KeyDownEvent, ref new KeyEventHandler(this, &KeyBoardWinRT::OnKeyPressed), true);
                m_textBox->AddHandler(UIElement::KeyUpEvent, ref new KeyEventHandler(this, &KeyBoardWinRT::OnKeyReleased), true);
                m_textBox->TextChanged += ref new TextChangedEventHandler(this, &KeyBoardWinRT::OnTextChanged);
#if (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
                // Need to use InputScopeNameValue::Search to prevent auto-capitalize
                m_textBox->InputScope = ref new InputScope();
                auto n = m_textBox->InputScope->Names;
                n->Append(ref new InputScopeName(InputScopeNameValue::Search));
#endif
                m_panel.Get()->Children->Append(m_textBox);
            }
            m_textBox->SelectionLength = 0;
            m_textBox->SelectionStart = 32768;
            m_textBox->Focus(FocusState::Programmatic);
        }));
    }
}

void KeyBoardWinRT::HideKeyboard(Platform::String^ text)
{
    if (m_dispatcher.Get() && m_panel.Get())
    {
        // run on main UI thread
        m_dispatcher.Get()->RunAsync(Windows::UI::Core::CoreDispatcherPriority::Normal, ref new DispatchedHandler([this, text]()
        {
            if (m_textBox != nullptr)
            {
                unsigned int index;
                if (m_panel->Children->IndexOf(m_textBox, &index))
                {
                    m_panel->Children->RemoveAt(index);
                }
            }
            m_textBox = nullptr;
        }));
    }
}

void KeyBoardWinRT::QueueKeyEvent(Cocos2dKeyEvent key)
{
    std::shared_ptr<cocos2d::InputEvent> e(new cocos2d::KeyboardEvent(key));
    cocos2d::GLViewImpl::sharedOpenGLView()->QueueEvent(e);
}

void KeyBoardWinRT::OnKeyPressed(Platform::Object^ sender, Windows::UI::Xaml::Input::KeyRoutedEventArgs^ args)
{
    switch (args->Key)
    {
    case VirtualKey::Escape:
        QueueKeyEvent(Cocos2dKeyEvent::Escape);
        args->Handled = true;
        break;
    case VirtualKey::Back:
        QueueKeyEvent(Cocos2dKeyEvent::Back);
        args->Handled = true;
        break;
    case VirtualKey::Enter:
        QueueKeyEvent(Cocos2dKeyEvent::Enter);
        args->Handled = true;
        break;
    default:

        break;
    }
}

void KeyBoardWinRT::OnTextChanged(Platform::Object^ sender, TextChangedEventArgs^ args)
{
    auto text = m_textBox->Text;
    if (text)
    {
        std::shared_ptr<cocos2d::InputEvent> e(new cocos2d::KeyboardEvent(Cocos2dKeyEvent::Text, text));
        cocos2d::GLViewImpl::sharedOpenGLView()->QueueEvent(e);
        m_textBox->Text = L"";
    }
}


void KeyBoardWinRT::OnKeyReleased(Platform::Object^ sender, Windows::UI::Xaml::Input::KeyRoutedEventArgs^ args)
{
    //m_textBox->Text = L"";
}

NS_CC_END