/usr/include/libdtk-2.0.7/DWidget/danchors.h is in libdtkwidget-dev 2.0.7.2-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2017 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: kirigaya <kirigaya@mkacg.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 DANCHORS_H
#define DANCHORS_H
#include <QObject>
#include <QPointer>
#include <QResizeEvent>
#include <QMoveEvent>
#include <QWidget>
#include <QDebug>
#include "dtkwidget_global.h"
DWIDGET_BEGIN_NAMESPACE
class DAnchorsBase;
struct DAnchorInfo {
DAnchorInfo(DAnchorsBase *b, const Qt::AnchorPoint &t):
base(b),
type(t)
{
}
DAnchorsBase *base;
Qt::AnchorPoint type;
const DAnchorInfo *targetInfo = NULL;
bool operator==(const DAnchorInfo *info) const
{
return info == targetInfo;
}
bool operator==(const DAnchorInfo &info) const
{
return &info == targetInfo;
}
bool operator!=(const DAnchorInfo *info) const
{
return info != targetInfo;
}
bool operator!=(const DAnchorInfo &info) const
{
return &info != targetInfo;
}
const DAnchorInfo &operator=(const DAnchorInfo *info)
{
targetInfo = info;
return *this;
}
};
class DAnchorsBasePrivate;
class DEnhancedWidget;
class DAnchorsBase : public QObject
{
Q_OBJECT
Q_PROPERTY(QWidget *target READ target CONSTANT)
Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)
Q_PROPERTY(const DAnchorsBase *anchors READ anchors)
Q_PROPERTY(const DAnchorInfo *top READ top WRITE setTop NOTIFY topChanged)
Q_PROPERTY(const DAnchorInfo *bottom READ bottom WRITE setBottom NOTIFY bottomChanged)
Q_PROPERTY(const DAnchorInfo *left READ left WRITE setLeft NOTIFY leftChanged)
Q_PROPERTY(const DAnchorInfo *right READ right WRITE setRight NOTIFY rightChanged)
Q_PROPERTY(const DAnchorInfo *horizontalCenter READ horizontalCenter WRITE setHorizontalCenter NOTIFY horizontalCenterChanged)
Q_PROPERTY(const DAnchorInfo *verticalCenter READ verticalCenter WRITE setVerticalCenter NOTIFY verticalCenterChanged)
Q_PROPERTY(QWidget *fill READ fill WRITE setFill NOTIFY fillChanged)
Q_PROPERTY(QWidget *centerIn READ centerIn WRITE setCenterIn NOTIFY centerInChanged)
Q_PROPERTY(int margins READ margins WRITE setMargins NOTIFY marginsChanged)
Q_PROPERTY(int topMargin READ topMargin WRITE setTopMargin NOTIFY topMarginChanged)
Q_PROPERTY(int bottomMargin READ bottomMargin WRITE setBottomMargin NOTIFY bottomMarginChanged)
Q_PROPERTY(int leftMargin READ leftMargin WRITE setLeftMargin NOTIFY leftMarginChanged)
Q_PROPERTY(int rightMargin READ rightMargin WRITE setRightMargin NOTIFY rightMarginChanged)
Q_PROPERTY(int horizontalCenterOffset READ horizontalCenterOffset WRITE setHorizontalCenterOffset NOTIFY horizontalCenterOffsetChanged)
Q_PROPERTY(int verticalCenterOffset READ verticalCenterOffset WRITE setVerticalCenterOffset NOTIFY verticalCenterOffsetChanged)
Q_PROPERTY(bool alignWhenCentered READ alignWhenCentered WRITE setAlignWhenCentered NOTIFY alignWhenCenteredChanged)
public:
explicit DAnchorsBase(QWidget *w);
~DAnchorsBase();
enum AnchorError {
NoError,
Conflict,
TargetInvalid,
PointInvalid,
LoopBind
};
QWidget *target() const;
DEnhancedWidget *enhancedWidget() const;
bool enabled() const;
const DAnchorsBase *anchors() const;
const DAnchorInfo *top() const;
const DAnchorInfo *bottom() const;
const DAnchorInfo *left() const;
const DAnchorInfo *right() const;
const DAnchorInfo *horizontalCenter() const;
const DAnchorInfo *verticalCenter() const;
QWidget *fill() const;
QWidget *centerIn() const;
int margins() const;
int topMargin() const;
int bottomMargin() const;
int leftMargin() const;
int rightMargin() const;
int horizontalCenterOffset() const;
int verticalCenterOffset() const;
int alignWhenCentered() const;
AnchorError errorCode() const;
QString errorString() const;
bool isBinding(const DAnchorInfo *info) const;
static bool setAnchor(QWidget *w, const Qt::AnchorPoint &p, QWidget *target, const Qt::AnchorPoint &point);
static void clearAnchors(const QWidget *w);
static DAnchorsBase *getAnchorBaseByWidget(const QWidget *w);
public Q_SLOTS:
void setEnabled(bool enabled);
bool setAnchor(const Qt::AnchorPoint &p, QWidget *target, const Qt::AnchorPoint &point);
bool setTop(const DAnchorInfo *top);
bool setBottom(const DAnchorInfo *bottom);
bool setLeft(const DAnchorInfo *left);
bool setRight(const DAnchorInfo *right);
bool setHorizontalCenter(const DAnchorInfo *horizontalCenter);
bool setVerticalCenter(const DAnchorInfo *verticalCenter);
bool setFill(QWidget *fill);
bool setCenterIn(QWidget *centerIn);
bool setFill(DAnchorsBase *fill);
bool setCenterIn(DAnchorsBase *centerIn);
void setMargins(int margins);
void setTopMargin(int topMargin);
void setBottomMargin(int bottomMargin);
void setLeftMargin(int leftMargin);
void setRightMargin(int rightMargin);
void setHorizontalCenterOffset(int horizontalCenterOffset);
void setVerticalCenterOffset(int verticalCenterOffset);
void setAlignWhenCentered(bool alignWhenCentered);
void setTop(int arg, Qt::AnchorPoint point);
void setBottom(int arg, Qt::AnchorPoint point);
void setLeft(int arg, Qt::AnchorPoint point);
void setRight(int arg, Qt::AnchorPoint point);
void setHorizontalCenter(int arg, Qt::AnchorPoint point);
void setVerticalCenter(int arg, Qt::AnchorPoint point);
void moveTop(int arg);
void moveBottom(int arg);
void moveLeft(int arg);
void moveRight(int arg);
void moveHorizontalCenter(int arg);
void moveVerticalCenter(int arg);
void moveCenter(const QPoint &arg);
private Q_SLOTS:
void updateVertical();
void updateHorizontal();
void updateFill();
void updateCenterIn();
Q_SIGNALS:
void enabledChanged(bool enabled);
void topChanged(const DAnchorInfo *top);
void bottomChanged(const DAnchorInfo *bottom);
void leftChanged(const DAnchorInfo *left);
void rightChanged(const DAnchorInfo *right);
void horizontalCenterChanged(const DAnchorInfo *horizontalCenter);
void verticalCenterChanged(const DAnchorInfo *verticalCenter);
void fillChanged(QWidget *fill);
void centerInChanged(QWidget *centerIn);
void marginsChanged(int margins);
void topMarginChanged(int topMargin);
void bottomMarginChanged(int bottomMargin);
void leftMarginChanged(int leftMargin);
void rightMarginChanged(int rightMargin);
void horizontalCenterOffsetChanged(int horizontalCenterOffset);
void verticalCenterOffsetChanged(int verticalCenterOffset);
void alignWhenCenteredChanged(bool alignWhenCentered);
protected:
void init(QWidget *w);
private:
DAnchorsBase(QWidget *w, bool);
QExplicitlySharedDataPointer<QSharedData> d_ptr;
Q_DECLARE_PRIVATE(DAnchorsBase)
};
template<class T>
class DAnchors : public DAnchorsBase
{
public:
inline DAnchors(): DAnchorsBase((QWidget*)NULL), m_widget(NULL) {}
inline DAnchors(T *w): DAnchorsBase(w), m_widget(w) {}
inline DAnchors(const DAnchors &me): DAnchorsBase(me.m_widget), m_widget(me.m_widget) {}
inline T &operator=(const DAnchors &me)
{
m_widget = me.m_widget;
init(m_widget);
return *m_widget;
}
inline T &operator=(T *w)
{
m_widget = w;
init(w);
return *m_widget;
}
inline T *widget() const
{
return m_widget;
}
inline T *operator ->() const
{
return m_widget;
}
inline T &operator *() const
{
return *m_widget;
}
inline operator T *() const
{
return m_widget;
}
inline operator T &() const
{
return *m_widget;
}
private:
T *m_widget;
};
DWIDGET_END_NAMESPACE
#endif // DANCHORS_H
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