249 lines
7.4 KiB
C++
249 lines
7.4 KiB
C++
/*****************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
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Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
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You can Freely distribute this program under the GNU General Public
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License. See the file "COPYING" for the exact licensing terms.
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******************************************************************/
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#ifndef KWIN_UTILS_H
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#define KWIN_UTILS_H
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#include <qvaluelist.h>
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#include <qwidget.h>
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#include <kmanagerselection.h>
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#include <netwm_def.h>
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namespace KWinInternal
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{
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const int SUPPORTED_WINDOW_TYPES_MASK = NET::NormalMask | NET::DesktopMask | NET::DockMask
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| NET::ToolbarMask | NET::MenuMask | NET::DialogMask | NET::OverrideMask | NET::TopMenuMask
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| NET::UtilityMask | NET::SplashMask;
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const long ClientWinMask = KeyPressMask | KeyReleaseMask |
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ButtonPressMask | ButtonReleaseMask |
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KeymapStateMask |
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ButtonMotionMask |
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PointerMotionMask | // need this, too!
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EnterWindowMask | LeaveWindowMask |
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FocusChangeMask |
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ExposureMask |
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StructureNotifyMask |
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SubstructureRedirectMask;
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const QPoint invalidPoint( INT_MIN, INT_MIN );
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class Client;
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class Group;
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class Options;
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typedef QValueList< Client* > ClientList;
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typedef QValueList< const Client* > ConstClientList;
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typedef QValueList< Group* > GroupList;
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typedef QValueList< const Group* > ConstGroupList;
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extern Options* options;
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enum Layer
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{
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UnknownLayer = -1,
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FirstLayer = 0,
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DesktopLayer = FirstLayer,
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BelowLayer,
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NormalLayer,
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AboveLayer,
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DockLayer,
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ActiveLayer, // active fullscreen, or active dialog
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NumLayers // number of layers, must be last
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};
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// yes, I know this is not 100% like standard operator++
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inline void operator++( Layer& lay )
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{
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lay = static_cast< Layer >( lay + 1 );
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}
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// for Client::takeActivity()
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enum ActivityFlags
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{
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ActivityFocus = 1 << 0, // focus the window
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ActivityFocusForce = 1 << 1, // focus even if Dock etc.
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ActivityRaise = 1 << 2 // raise the window
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};
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// Some KWin classes, mainly Client and Workspace, are very tighly coupled,
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// and some of the methods of one class may be called only from speficic places.
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// Those methods have additional allowed_t argument. If you pass Allowed
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// as an argument to any function, make sure you really know what you're doing.
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enum allowed_t { Allowed };
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// some enums to have more readable code, instead of using bools
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enum ForceGeometry_t { NormalGeometrySet, ForceGeometrySet };
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// Areas, mostly related to Xinerama
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enum clientAreaOption
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{
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PlacementArea, // geometry where a window will be initially placed after being mapped
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MovementArea, // ??? window movement snapping area? ignore struts
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MaximizeArea, // geometry to which a window will be maximized
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MaximizeFullArea, // like MaximizeArea, but ignore struts - used e.g. for topmenu
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FullScreenArea, // area for fullscreen windows
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// these below don't depend on xinerama settings
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WorkArea, // whole workarea (all screens together)
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FullArea, // whole area (all screens together), ignore struts
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ScreenArea // one whole screen, ignore struts
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};
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enum ShadeMode
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{
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ShadeNone, // not shaded
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ShadeNormal, // normally shaded - isShade() is true only here
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ShadeHover, // "shaded", but visible due to hover unshade
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ShadeActivated // "shaded", but visible due to alt+tab to the window
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};
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class Shape
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{
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public:
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static bool available() { return kwin_has_shape; }
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static bool hasShape( WId w);
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static int shapeEvent();
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static void init();
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private:
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static int kwin_has_shape;
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static int kwin_shape_event;
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};
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class Motif
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{
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public:
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static void readFlags( WId w, bool& noborder, bool& resize, bool& move,
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bool& minimize, bool& maximize, bool& close );
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struct MwmHints
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{
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ulong flags;
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ulong functions;
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ulong decorations;
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long input_mode;
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ulong status;
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};
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enum {
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MWM_HINTS_FUNCTIONS = (1L << 0),
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MWM_HINTS_DECORATIONS = (1L << 1),
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MWM_FUNC_ALL = (1L << 0),
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MWM_FUNC_RESIZE = (1L << 1),
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MWM_FUNC_MOVE = (1L << 2),
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MWM_FUNC_MINIMIZE = (1L << 3),
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MWM_FUNC_MAXIMIZE = (1L << 4),
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MWM_FUNC_CLOSE = (1L << 5)
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};
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};
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class KWinSelectionOwner
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: public KSelectionOwner
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{
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Q_OBJECT
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public:
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KWinSelectionOwner( int screen );
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protected:
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virtual bool genericReply( Atom target, Atom property, Window requestor );
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virtual void replyTargets( Atom property, Window requestor );
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virtual void getAtoms();
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private:
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Atom make_selection_atom( int screen );
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static Atom xa_version;
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};
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// Class which saves original value of the variable, assigns the new value
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// to it, and in the destructor restores the value.
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// Used in Client::isMaximizable() and so on.
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// It also casts away contness and generally this looks like a hack.
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template< typename T >
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class TemporaryAssign
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{
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public:
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TemporaryAssign( const T& var, const T& value )
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: variable( var ), orig( var )
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{
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const_cast< T& >( variable ) = value;
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}
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~TemporaryAssign()
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{
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const_cast< T& >( variable ) = orig;
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}
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private:
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const T& variable;
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T orig;
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};
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QCString getStringProperty(WId w, Atom prop, char separator=0);
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void updateXTime();
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void grabXServer();
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void ungrabXServer();
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// the docs say it's UrgencyHint, but it's often #defined as XUrgencyHint
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#ifndef UrgencyHint
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#define UrgencyHint XUrgencyHint
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#endif
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// for STL-like algo's
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#define KWIN_CHECK_PREDICATE( name, check ) \
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struct name \
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{ \
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inline bool operator()( const Client* cl ) { return check; }; \
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}
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#define KWIN_COMPARE_PREDICATE( name, type, check ) \
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struct name \
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{ \
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typedef type type_helper; /* in order to work also with type being 'const Client*' etc. */ \
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inline name( const type_helper& compare_value ) : value( compare_value ) {}; \
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inline bool operator()( const Client* cl ) { return check; }; \
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const type_helper& value; \
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}
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#define KWIN_PROCEDURE( name, action ) \
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struct name \
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{ \
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inline void operator()( Client* cl ) { action; }; \
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}
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KWIN_CHECK_PREDICATE( TruePredicate, cl == cl /*true, avoid warning about 'cl' */ );
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template< typename T >
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Client* findClientInList( const ClientList& list, T predicate )
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{
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for ( ClientList::ConstIterator it = list.begin(); it != list.end(); ++it)
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{
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if ( predicate( const_cast< const Client* >( *it)))
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return *it;
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}
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return NULL;
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}
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inline
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int timestampCompare( Time time1, Time time2 ) // like strcmp()
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{
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if( time1 == time2 )
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return 0;
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return ( time1 - time2 ) < 1000000000 ? 1 : -1; // time1 > time2 -> 1, handle wrapping
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}
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inline
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Time timestampDiff( Time time1, Time time2 ) // returns time2 - time1
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{ // no need to handle wrapping?
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return time2 - time1;
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}
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bool isLocalMachine( const QCString& host );
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} // namespace
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#endif
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