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/*
* Copyright (C) 2015 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: Hualet Wang <mr.asianwang@gmail.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DMENUBASE_H
#define DMENUBASE_H
// this event type was added in libxcb 1.10,
// but we support also older version
#ifndef XCB_GE_GENERIC
#define XCB_GE_GENERIC 35
#endif
#include <QWidget>
#include <QSharedPointer>
#include <QGraphicsDropShadowEffect>
#include <xcb/xcb.h>
#include <X11/extensions/XI2proto.h>
// Starting from the xcb version 1.9.3 struct xcb_ge_event_t has changed:
// - "pad0" became "extension"
// - "pad1" and "pad" became "pad0"
// New and old version of this struct share the following fields:
typedef struct qt_xcb_ge_event_t {
uint8_t response_type;
uint8_t extension;
uint16_t sequence;
uint32_t length;
uint16_t event_type;
} qt_xcb_ge_event_t;
class QColor;
class QTimer;
class QMargins;
class QJsonArray;
class QByteArray;
class DMenuContent;
class DMenuBase : public QWidget
{
Q_OBJECT
public:
explicit DMenuBase(QWidget *parent = 0);
struct ItemStyle {
QColor itemBackgroundColor;
QColor itemTextColor;
QColor itemShortcutColor;
QString checkmarkIcon;
QString subMenuIndicatorIcon;
};
Q_PROPERTY(int radius READ radius WRITE setRadius NOTIFY radiusChanged)
Q_PROPERTY(QMargins shadowMargins READ shadowMargins WRITE setShadowMargins NOTIFY shadowMarginsChanged)
Q_PROPERTY(QMargins menuContentMargins READ menuContentMargins WRITE setMenuContentMargins NOTIFY menuContentMarginsChanged)
Q_PROPERTY(int itemLeftSpacing READ itemLeftSpacing WRITE setItemLeftSpacing NOTIFY itemLeftSpacingChanged)
Q_PROPERTY(int itemCenterSpacing READ itemCenterSpacing WRITE setItemCenterSpacing NOTIFY itemCenterSpacingChanged)
Q_PROPERTY(int itemRightSpacing READ itemRightSpacing WRITE setItemRightSpacing NOTIFY itemRightSpacingChanged)
int radius();
void setRadius(int);
QMargins shadowMargins();
void setShadowMargins(QMargins);
QMargins menuContentMargins();
void setMenuContentMargins(QMargins);
int itemLeftSpacing();
void setItemLeftSpacing(int);
int itemCenterSpacing();
void setItemCenterSpacing(int);
int itemRightSpacing();
void setItemRightSpacing(int);
QSharedPointer<DMenuContent> menuContent();
void setMenuContent(QSharedPointer<DMenuContent> content);
DMenuBase *subMenu();
void setContent(QJsonArray items);
void destroyAll();
void grabFocus();
void releaseFocus();
DMenuBase *menuUnderPoint(QPoint);
DMenuBase *getRootMenu();
void setItemActivity(const QString &itemId, bool isActive);
void setItemChecked(const QString &itemId, bool checked);
void setItemText(const QString &itemId, const QString &text);
const ItemStyle normalStyle();
const ItemStyle hoverStyle();
const ItemStyle inactiveStyle();
virtual void setPosition(int, int) = 0;
virtual void showSubMenu(int, int, QJsonObject) = 0;
signals:
void radiusChanged(int radius);
void shadowMarginsChanged(QMargins shadowWidth);
void menuContentMarginsChanged(QMargins menuContentMargins);
void itemBackgroundColorChanged(QColor itemBackgroundColor);
void itemTextColorChanged(QColor itemTextColor);
void itemShortcutColorChanged(QColor itemShortcutColor);
void itemLeftSpacingChanged(int itemLeftSpacing);
void itemCenterSpacingChanged(int itemCenterSpacing);
void itemRightSpacingChanged(int itemRightSpacing);
void itemClicked(QString id, bool checked);
protected:
DMenuBase *_subMenu;
ItemStyle _normalStyle;
ItemStyle _hoverStyle;
ItemStyle _inactiveStyle;
virtual bool nativeEvent(const QByteArray &, void *, long *);
private slots:
void grabFocusSlot();
private:
int xiErrorBase;
int xiEventBase;
int xiOpCode;
int _radius;
QMargins _shadowMargins;
QMargins _menuContentMargins;
int _itemLeftSpacing;
int _itemCenterSpacing;
int _itemRightSpacing;
QSharedPointer<DMenuContent> _menuContent;
QGraphicsDropShadowEffect *_dropShadow;
QTimer *_grabFocusTimer;
void queryXIExtension();
bool isXIEvent(xcb_generic_event_t *event, int opCode);
bool isXIType(xcb_generic_event_t *event, int opCode, uint16_t type);
qreal fixed1616ToReal(FP1616 val);
bool grabFocusInternal(int);
void updateAll();
};
#endif // DMENUBASE_H
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