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/*
* This source file is part of MyGUI. For the latest info, see http://mygui.info/
* Distributed under the MIT License
* (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
*/
#ifndef MYGUI_WIDGET_STYLE_H_
#define MYGUI_WIDGET_STYLE_H_
#include "MyGUI_Prerequest.h"
#include <string>
#include <cstring>
#include <iostream>
namespace MyGUI
{
struct MYGUI_EXPORT WidgetStyle
{
enum Enum
{
Child, /**< child widget, cropped by parent widget borders, no overlapping (used by default for child widgets) */
Popup, /**< popup widget, have parent widget, but not cropped on its borders */
Overlapped, /**< child widget, cropped by parent widget borders, can overlap (used by default for root widgets) */
MAX
};
WidgetStyle() :
mValue(MAX)
{
}
WidgetStyle(Enum _value) :
mValue(_value)
{
}
static WidgetStyle parse(std::string_view _value)
{
WidgetStyle type;
int value = 0;
while (true)
{
std::string_view name = type.getValueName(value);
if (name.empty() || name == _value)
break;
value++;
}
type.mValue = static_cast<Enum>(value);
return type;
}
friend bool operator==(WidgetStyle const& a, WidgetStyle const& b)
{
return a.mValue == b.mValue;
}
friend bool operator!=(WidgetStyle const& a, WidgetStyle const& b)
{
return a.mValue != b.mValue;
}
friend std::ostream& operator<<(std::ostream& _stream, const WidgetStyle& _value)
{
_stream << _value.getValueName(_value.mValue);
return _stream;
}
friend std::istream& operator>>(std::istream& _stream, WidgetStyle& _value)
{
std::string value;
_stream >> value;
_value = parse(value);
return _stream;
}
std::string_view print() const
{
return getValueName(mValue);
}
int getValue() const
{
return mValue;
}
private:
std::string_view getValueName(int _index) const
{
if (_index < 0 || _index >= MAX)
return {};
static const std::string_view values[MAX] = {"Child", "Popup", "Overlapped"};
return values[_index];
}
private:
Enum mValue;
};
} // namespace MyGUI
#endif // MYGUI_WIDGET_STYLE_H_
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