privatewindow.h 11 KB
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/*
 * Copyright © 2008 Dennis Kasprzyk
 * Copyright © 2007 Novell, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of
 * Dennis Kasprzyk not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior permission.
 * Dennis Kasprzyk makes no representations about the suitability of this
 * software for any purpose. It is provided "as is" without express or
 * implied warranty.
 *
 * DENNIS KASPRZYK DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
 * NO EVENT SHALL DENNIS KASPRZYK BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Authors: Dennis Kasprzyk <onestone@compiz-fusion.org>
 *          David Reveman <davidr@novell.com>
 */

#ifndef _PRIVATEWINDOW_H
#define _PRIVATEWINDOW_H

#include <core/core.h>
#include <core/window.h>
#include <core/point.h>
#include <core/timer.h>

#include <boost/shared_ptr.hpp>

#include <core/configurerequestbuffer.h>

#include "syncserverwindow.h"
#include "asyncserverwindow.h"

#define XWINDOWCHANGES_INIT {0, 0, 0, 0, 0, None, 0}

namespace compiz {namespace X11
{
class PendingEvent {
public:
    PendingEvent (Display *, Window);
    virtual ~PendingEvent ();

    virtual bool match (XEvent *);
    unsigned int serial () { return mSerial; } // HACK: will be removed
    virtual void dump ();

    typedef boost::shared_ptr<PendingEvent> Ptr;

protected:

    virtual Window getEventWindow (XEvent *);

    unsigned int mSerial;
    Window       mWindow;
};

class PendingConfigureEvent :
    public PendingEvent
{
public:
    PendingConfigureEvent (Display *, Window, unsigned int, XWindowChanges *);
    virtual ~PendingConfigureEvent ();

    virtual bool match (XEvent *);
    bool matchVM (unsigned int valueMask);
    bool matchRequest (XWindowChanges &xwc, unsigned int);
    virtual void dump ();

    typedef boost::shared_ptr<PendingConfigureEvent> Ptr;

protected:

    virtual Window getEventWindow (XEvent *);

private:
    unsigned int mValueMask;
    XWindowChanges mXwc;
};

class PendingEventQueue
{
public:

    PendingEventQueue (Display *);
    virtual ~PendingEventQueue ();

    void add (PendingEvent::Ptr p);
    bool match (XEvent *);
    bool pending ();
    bool forEachIf (boost::function <bool (compiz::X11::PendingEvent::Ptr)>);
    void clear () { mEvents.clear (); } // HACK will be removed
    void dump ();

protected:
    bool removeIfMatching (const PendingEvent::Ptr &p, XEvent *);

private:
    std::list <PendingEvent::Ptr> mEvents;
};

}}
struct CompGroup;

typedef CompWindowExtents CompFullscreenMonitorSet;

class X11SyncServerWindow :
    public compiz::window::SyncServerWindow
{
    public:

	X11SyncServerWindow (Display      *dpy,
			     const Window *w,
			     const Window *frame);

	bool queryAttributes (XWindowAttributes &attrib);
	bool queryFrameAttributes (XWindowAttributes &attrib);
	XRectangle * queryShapeRectangles(int kind, int *count, int *ordering);

    private:

	Display      *mDpy;
	const Window *mWindow;
	const Window *mFrame;
};

class PrivateWindow :
    public compiz::window::SyncServerWindow,
    public compiz::window::AsyncServerWindow
{

    public:
	PrivateWindow ();
	~PrivateWindow ();

	bool queryAttributes (XWindowAttributes &attrib);
	bool queryFrameAttributes (XWindowAttributes &attrib);
	XRectangle * queryShapeRectangles (int kind, int *count, int *ordering);
	int  requestConfigureOnClient (const XWindowChanges &xwc,
				       unsigned int valueMask);
	int  requestConfigureOnWrapper (const XWindowChanges &xwc,
					unsigned int valueMask);
	int  requestConfigureOnFrame (const XWindowChanges &xwc,
				      unsigned int valueMask);
	void sendSyntheticConfigureNotify ();
	bool hasCustomShape () const;

	void recalcNormalHints ();

	bool updateFrameWindow ();

	void setWindowMatrix ();

	bool restack (Window aboveId);

	bool initializeSyncCounter ();

	bool isGroupTransient (Window clientLeader);

	bool isInvisible() const;

	static bool stackLayerCheck (CompWindow       *w,
				     Window           clientLeader,
				     CompWindow       *below,
				     const ServerLock &lock);

	static bool avoidStackingRelativeTo (CompWindow *w, const ServerLock &lock);

	static CompWindow * findSiblingBelow (CompWindow       *w,
					      bool             aboveFs,
					      const ServerLock &lock);

	static CompWindow * findLowestSiblingBelow (CompWindow       *w,
						    const ServerLock &lock);

	static bool validSiblingBelow (CompWindow       *w,
				       CompWindow       *sibling,
				       const ServerLock &lock);

	void saveGeometry (int mask);

	int restoreGeometry (XWindowChanges *xwc, int mask);

	void reconfigureXWindow (unsigned int   valueMask,
				 XWindowChanges *xwc);

	static bool stackDocks (CompWindow       *w,
				CompWindowList   &updateList,
				XWindowChanges   *xwc,
				unsigned int     *mask,
				const ServerLock &lock);

	static bool stackTransients (CompWindow       *w,
				     CompWindow       *avoid,
				     XWindowChanges   *xwc,
				     CompWindowList   &updateList,
				     const ServerLock &lock);

	static void stackAncestors (CompWindow       *w,
				    XWindowChanges   *xwc,
				    CompWindowList   &updateList,
				    const ServerLock &lock);

	static bool isAncestorTo (CompWindow *transient,
				  CompWindow *ancestor);

	Window getClientLeaderOfAncestor ();

	CompWindow * getModalTransient ();

	int addWindowSizeChanges (XWindowChanges *xwc,
				  CompWindow::Geometry old);

	int addWindowStackChanges (XWindowChanges   *xwc,
				   CompWindow       *sibling,
				   const ServerLock &lock);

	static CompWindow * findValidStackSiblingBelow (CompWindow *w,
							CompWindow *sibling,
							const ServerLock &lock);

	void ensureWindowVisibility ();

	void reveal ();

	static void revealAncestors (CompWindow *w,
				     CompWindow *transient);

	static void minimizeTransients (CompWindow *w,
					CompWindow *ancestor);

	static void unminimizeTransients (CompWindow *w,
					  CompWindow *ancestor);

	bool getUsageTimestamp (Time& timestamp);

	bool isWindowFocusAllowed (Time timestamp);

	static void handleDamageRect (CompWindow *w,
				      int         x,
				      int         y,
				      int         width,
				      int         height);

	bool reparent ();
	void unreparent ();
	void manageFrameWindowSeparately ();

	void hide ();

	void show ();

	void withdraw ();

	bool handlePingTimeout (unsigned int lastPing);

	void handlePing (int lastPing);

	void applyStartupProperties (CompStartupSequence *s);

	void updateNormalHints ();

	void updateWmHints ();

	void updateClassHints ();

	void updateTransientHint ();

	void updateIconGeometry ();

	void updateClientFrame ();

	Window getClientLeader ();

	char * getStartupId ();

	CompRegion
	rectsToRegion (unsigned int, XRectangle *);

	void updateRegion ();

	bool handleSyncAlarm ();

	void move (int dx, int dy, bool sync);
	bool resize (int dx, int dy, int dwidth, int dheight, int dborder);
	bool resize (const CompWindow::Geometry &g);
	bool resize (const XWindowAttributes &attrib);

	void configure (XConfigureEvent *ce);

	void configureFrame (XConfigureEvent *ce);

	void circulate (XCirculateEvent *ce);

	unsigned int adjustConfigureRequestForGravity (XWindowChanges *xwc,
						       unsigned int   xwcm,
						       int            gravity,
						       int	      direction);

	bool updateSize ();

	bool getUserTime (Time& time);
	void setUserTime (Time time);

	bool allowWindowFocus (unsigned int noFocusMask,
			       Time         timestamp);

	void freeIcons ();

	void updateMwmHints ();

	void updateStartupId ();

	void processMap ();

	void updatePassiveButtonGrabs ();

	void setFullscreenMonitors (CompFullscreenMonitorSet *monitors);

	static unsigned int windowTypeFromString (const char *str);

	static int compareWindowActiveness (CompWindow *w1,
					    CompWindow *w2);

	void setOverrideRedirect (bool overrideRedirect);

	void readIconHint ();

	bool checkClear ();

	static CompWindow* createCompWindow (Window aboveId, Window aboveServerId, XWindowAttributes &wa, Window id);
    public:

	PrivateWindow *priv;

	CompWindow *window;

	int                  refcnt;
	Window               serverId;
	Window	             id;
	Window               serverFrame;
	Window	             frame;
	Window               wrapper;
	unsigned int         mapNum;
	unsigned int         activeNum;

	/* Don't use this for determining
	 * the window geometry because we
	 * read into this out of sync with
	 * ConfigureNotify events to determine
	 * the class and override redirect state
	 */
	XWindowAttributes    attrib;
	CompWindow::Geometry geometry;
	CompWindow::Geometry serverGeometry;
	CompWindow::Geometry frameGeometry;
	CompWindow::Geometry serverFrameGeometry;
	Window               transientFor;
	Window               clientLeader;
	XSizeHints	     sizeHints;
	XWMHints             *hints;

	bool       inputHint;
	bool       alpha;
	CompRegion region;
	CompRegion inputRegion;
	CompRegion frameRegion;

	unsigned int wmType;
	unsigned int type;
	unsigned int state;
	unsigned int actions;
	unsigned int protocols;
	unsigned int mwmDecor;
	unsigned int mwmFunc;
	bool         invisible;
	bool         destroyed;
	bool         managed;
	bool	     unmanaging;

	int destroyRefCnt;
	int unmapRefCnt;

	CompPoint initialViewport;

	Time initialTimestamp;
	bool initialTimestampSet;

	bool     fullscreenMonitorsSet;
	CompRect fullscreenMonitorRect;

	bool placed;
	bool minimized;
	bool inShowDesktopMode;
	bool shaded;
	bool hidden;
	bool grabbed;
	bool alreadyDecorated;

	unsigned int desktop;

	int pendingUnmaps;
	int pendingMaps;

	typedef std::pair <XWindowChanges, unsigned int> XWCValueMask;

	compiz::X11::PendingEventQueue pendingConfigures;
	bool receivedMapRequestAndAwaitingMap;

	char *startupId;
	char *resName;
	char *resClass;

	CompGroup *group;

	unsigned int lastPong;
	bool         alive;

	bool moved;

	CompWindowExtents input;
	CompWindowExtents serverInput;
	CompWindowExtents lastServerInput;
	CompWindowExtents border;
	CompWindowExtents output;
	CompWindowExtents clientFrame;

	CompStruts *struts;

	std::vector<CompIcon *> icons;
	bool noIcons;

	CompRect   iconGeometry;

	XWindowChanges saveWc;
	int		   saveMask;

	XSyncCounter  syncCounter;
	XSyncValue    syncValue;
	XSyncAlarm    syncAlarm;
	CompTimer     syncWaitTimer;

	bool                 syncWait;
	CompWindow::Geometry syncGeometry;

	int closeRequests;
	Time lastCloseRequestTime;

	bool nextMoveImmediate;

	X11SyncServerWindow                            syncServerWindow;
	compiz::window::configure_buffers::Buffer::Ptr configureBuffer;
};

#endif