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#ifndef __WINDOW_MANAGER_H__
#define __WINDOW_MANAGER_H__
/*
* Cantata
*
* Copyright (c) 2011-2022 Craig Drummond <craig.p.drummond@gmail.com>
*
*/
// Copied from oxygenwindowmanager.h svnversion: 1137195
//////////////////////////////////////////////////////////////////////////////
// oxygenwindowmanager.h
// pass some window mouse press/release/move event actions to window manager
// -------------------
//
// Copyright (c) 2010 Hugo Pereira Da Costa <hugo@oxygen-icons.org>
//
// Largely inspired from BeSpin style
// Copyright (C) 2007 Thomas Luebking <thomas.luebking@web.de>
//
// 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 <QBasicTimer>
#include <QEvent>
#include <QObject>
#include <QPointer>
#include <QSet>
#include <QString>
#include <QWidget>
class WindowManager : public QObject {
Q_OBJECT
public:
enum DragMode {
WM_DRAG_NONE = 0,
WM_DRAG_MENUBAR = 1,
WM_DRAG_MENU_AND_TOOLBAR = 2,
WM_DRAG_ALL = 3
};
explicit WindowManager(QObject*);
virtual ~WindowManager() {}
void initialize(int windowDrag);
void registerWidgetAndChildren(QWidget* w);
void registerWidget(QWidget*);
void unregisterWidget(QWidget*);
virtual bool eventFilter(QObject*, QEvent*);
protected:
//! timer event, used to start drag if button is pressed for a long enough time */
void timerEvent(QTimerEvent*);
bool mousePressEvent(QObject*, QEvent*);
bool mouseMoveEvent(QObject*, QEvent*);
bool mouseReleaseEvent(QObject*, QEvent*);
bool enabled(void) const { return WM_DRAG_NONE != _dragMode; }
//! returns true if window manager is used for moving
bool useWMMoveResize(void) const { return supportWMMoveResize() && _useWMMoveResize; }
//! use window manager for moving, when available
void setUseWMMoveResize(bool value) { _useWMMoveResize = value; }
int dragMode(void) const { return _dragMode; }
void setDragMode(int value) { _dragMode = value; }
//! drag distance (pixels)
void setDragDistance(int value) { _dragDistance = value; }
//! drag delay (msec)
void setDragDelay(int value) { _dragDelay = value; }
//! returns true if widget is dragable
bool isDragable(QWidget*);
//! returns true if widget is dragable
bool isBlackListed(QWidget*);
//! returns true if drag can be started from current widget
bool canDrag(QWidget*);
//! returns true if drag can be started from current widget and position
/*! child at given position is passed as second argument */
bool canDrag(QWidget*, QWidget*, const QPoint&);
//! reset drag
void resetDrag(void);
//! start drag
void startDrag(QWidget*, const QPointF&);
//! returns true if window manager is used for moving
/*! right now this is true only for X11 */
bool supportWMMoveResize(void) const;
//! utility function
bool isDockWidgetTitle(const QWidget*) const;
void setLocked(bool value) { _locked = value; }
bool isLocked(void) const { return _locked; }
private:
bool _useWMMoveResize;
int _dragMode;
int _dragDistance;
int _dragDelay;
//! drag point
QPoint _dragPoint;
QPointF _globalDragPoint;
//! drag timer
QBasicTimer _dragTimer;
//! target being dragged
/*! QWeakPointer is used in case the target gets deleted while drag is in progress */
QPointer<QWidget> _target;
//! true if drag is about to start
bool _dragAboutToStart;
//! true if drag is in progress
bool _dragInProgress;
//! true if drag is locked
bool _locked;
#ifndef Q_OS_MAC
//! cursor override
/*! used to keep track of application cursor being overridden when dragging in non-WM mode */
bool _cursorOverride;
#endif
// provide application-wise event filter
// it us used to unlock dragging and make sure event look is properly restored
// after a drag has occurred
class AppEventFilter : public QObject {
public:
AppEventFilter(WindowManager* parent) : QObject(parent), _parent(parent) {}
virtual bool eventFilter(QObject*, QEvent*);
protected:
//! application-wise event. needed to catch end of XMoveResize events */
bool appMouseEvent(QObject*, QEvent*);
private:
WindowManager* _parent;
};
AppEventFilter* _appEventFilter;
friend class AppEventFilter;
};
#endif
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