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o3de/Code/Framework/AzQtComponents/AzQtComponents/Components/Widgets/Menu.h
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Steve Pham 38261d0800 Shorten copyright headers by splitting into 2 lines (#2213)
* Updated all copyright headers to split the longer original copyright line into 2 shorter lines

Signed-off-by: Steve Pham <spham@amazon.com>
2021-07-16 15:25:48 -07:00

73 lines
3.0 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzQtComponents/AzQtComponentsAPI.h>
#include <QPixmap>
class QLineEdit;
class QPainter;
class QSettings;
class QStyleOption;
namespace AzQtComponents
{
class Style;
//! Class to handle styling and painting of QMenu controls.
class AZ_QT_COMPONENTS_API Menu
{
public:
//! Settings for margins around the menu.
struct Margins
{
int top;
int right;
int bottom;
int left;
};
//! Style configuration for the Menu class.
struct Config
{
QPixmap shadowPixmap; //!< Pixmap for the shadow shown around the Menu.
Margins shadowMargins; //!< Margins for drop shadow around the Menu.
QColor backgroundColor; //!< Background color for the Menu.
int radius; //!< Corner radius for the Menu rect.
int horizontalMargin; //!< Margin for the Menu on the horizontal directions (left, right).
int verticalMargin; //!< Margin for the Menu on the vertical directions (top, bottom).
int horizontalPadding; //!< Padding for the Menu on the horizontal directions (left, right).
int verticalPadding; //!< Padding for the Menu on the vertical directions (top, bottom).
int subMenuOverlap; //!< Amount of pixels submenus overlap with their parent Menu.
};
//! Sets the Menu style configuration.
//! @param settings The settings object to load the configuration from.
//! @return The new configuration of the Menu.
static Config loadConfig(QSettings& settings);
//! Gets the default Menu style configuration.
static Config defaultConfig();
private:
friend class Style;
static bool polish(Style* style, QWidget* widget, const Config& config);
static bool unpolish(Style* style, QWidget* widget, const Config& config);
static int horizontalMargin(const Style* style, const QStyleOption* option, const QWidget* widget, const Config& config);
static int verticalMargin(const Style* style, const QStyleOption* option, const QWidget* widget, const Config& config);
static int subMenuOverlap(const Style* style, const QStyleOption* option, const QWidget* widget, const Config& config);
static int verticalShadowMargin(const Style* style, const QStyleOption* option, const QWidget* widget, const Config& config);
static int horizontalShadowMargin(const Style* style, const QStyleOption* option, const QWidget* widget, const Config& config);
static bool drawFrame(const Style* style, const QStyleOption* option, QPainter* painter, const QWidget* widget, const Config& config);
};
} // namespace AzQtComponents