urho3d/Engine/UI/CheckBox.cpp

//
// Urho3D Engine
// Copyright (c) 2008-2011 Lasse Öörni
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

#include "Precompiled.h"
#include "CheckBox.h"
#include "Context.h"
#include "InputEvents.h"
#include "UIEvents.h"

#include "DebugNew.h"

OBJECTTYPESTATIC(CheckBox);

CheckBox::CheckBox(Context* context) :
    BorderImage(context),
    checkedOffset_(IntVector2::ZERO),
    checked_(false)
{
    active_ = true;
}

CheckBox::~CheckBox()
{
}

void CheckBox::RegisterObject(Context* context)
{
    context->RegisterFactory<CheckBox>();
}

void CheckBox::SetStyle(const XMLElement& element)
{
    BorderImage::SetStyle(element);
    
    if (element.HasChild("checkedoffset"))
        SetCheckedOffset(element.GetChild("checkedoffset").GetIntVector2("value"));
}

void CheckBox::GetBatches(PODVector<UIBatch>& batches, PODVector<UIQuad>& quads, const IntRect& currentScissor)
{
    IntVector2 offset(IntVector2::ZERO);
    if (hovering_ || selected_)
        offset += hoverOffset_;
    if (checked_)
        offset += checkedOffset_;
    
    BorderImage::GetBatches(batches, quads, currentScissor, offset);
}

void CheckBox::OnClick(const IntVector2& position, const IntVector2& screenPosition, int buttons, int qualifiers, Cursor* cursor)
{
    if (buttons & MOUSEB_LEFT)
        SetChecked(!checked_);
}

void CheckBox::SetChecked(bool enable)
{
    if (enable != checked_)
    {
        checked_ = enable;
        
        using namespace Toggled;
        
        VariantMap eventData;
        eventData[P_ELEMENT] = (void*)this;
        eventData[P_STATE] = checked_;
        SendEvent(E_TOGGLED, eventData);
    }
}

void CheckBox::SetCheckedOffset(const IntVector2& offset)
{
    checkedOffset_ = offset;
}

void CheckBox::SetCheckedOffset(int x, int y)
{
    checkedOffset_ = IntVector2(x, y);
}