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+/* This file is part of the KDE libraries
+ Copyright (C) 1999 Matthias Ettrich (ettrich@kde.org)
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+#ifndef KWIN_H
+#define KWIN_H
+
+#include <sys/types.h>
+#include <qwindowdefs.h>
+#include <qstring.h>
+#include <qpixmap.h>
+#include "kdelibs_export.h"
+
+#ifdef Q_OS_UNIX
+
+#include <netwm_def.h>
+class NETWinInfo;
+
+/**
+ * Convenience access to certain properties and features of the
+ * window manager.
+ *
+ * This class is not supposed to be instantiated. It exists mostly as
+ * a namespace for the static member functions.
+ *
+ * In KDE 2 and KDE 3, communication with the windowmanager is done with the
+ * NET-protocol, a common window manager specification designed by
+ * various authors of X11 window managers (including those of the KDE
+ * project). The full specification can be found at
+ * www.freedesktop.org/standards/wm-spec .
+ *
+ * To access features of the NET-protocol, use the classes NETRootInfo
+ * and NETWinInfo.
+ *
+ * The purpose of this class is to to provide easy access to the
+ * most-commonly used NET-features with a simpler, KDEish interface.
+ *
+ * In addition, it encapsulates KDE functionality not yet provided by
+ * the NET hints. Currently that is invokeContextHelp() and
+ * setSystemTrayWindowFor() only.
+ *
+ * @short Class for interaction with the window manager.
+ * @see NET
+ * @see NetWinInfo
+ * @author Matthias Ettrich (ettrich@kde.org)
+*/
+class KDECORE_EXPORT KWin
+{
+public:
+
+ /**
+ * Requests that window @p win is activated.
+ *
+ * There are two ways how to activate a window, by calling
+ * activateWindow() and forceActiveWindow(). Generally,
+ * applications shouldn't make attempts to explicitly activate
+ * their windows, and instead let the user to activate them.
+ * In the special cases where this may be needed, applications
+ * should use activateWindow(). Window manager may consider whether
+ * this request wouldn't result in focus stealing, which
+ * would be obtrusive, and may refuse the request.
+ *
+ * The usage of forceActiveWindow() is meant only for pagers
+ * and similar tools, which represent direct user actions
+ * related to window manipulation.
+ * Except for rare cases, this request will be always honored,
+ * and normal applications are forbidden to use it.
+ *
+ * In case of problems, consult the KWin README in the kdebase
+ * package (kdebase/kwin/README), or ask on the kwin@kde.org
+ * mailing list.
+ *
+ * @param win the id of the window to make active
+ * @param time X server timestamp of the user activity that
+ * caused this request
+ * @since 3.2
+ */
+ static void activateWindow( WId win, long time = 0 );
+
+ /**
+ * Sets window @p win to be the active window. Note that this
+ * should be called only in special cases, applications
+ * shouldn't force themselves or other windows to be the active
+ * window. Generally, this call should used only by pagers
+ * and similar tools. See the explanation in description
+ * of activateWindow().
+ *
+ * @param win the id of the window to make active
+ * @param time X server timestamp of the user activity that
+ * caused this request
+ *
+ * @since 3.2
+ */
+ static void forceActiveWindow( WId win, long time = 0 );
+ /**
+ * @deprecated Consider using activateWindow(), use forceActiveWindow()
+ * only if necessary.
+ */
+ static void setActiveWindow( WId win ) KDE_DEPRECATED;
+
+ /**
+ * When application finishes some operation and wants to notify
+ * the user about it, it can call demandAttention(). Instead
+ * of activating the window, which could be obtrusive, the window
+ * will be marked specially as demanding user's attention.
+ * See also explanation in description of activateWindow().
+ *
+ * Note that it's usually better to use KNotifyClient.
+ *
+ * @since 3.2
+ */
+ static void demandAttention( WId win, bool set = true );
+
+ /**
+ * Sets user timestamp @p time on window @p win. The timestamp
+ * is expressed as XServer time. If a window
+ * is shown with user timestamp older than the time of the last
+ * user action, it won't be activated after being shown.
+ * The most common case is the special value 0 which means
+ * not to activate the window after being shown.
+ *
+ * @since 3.2
+ */
+ static void setUserTime( WId win, long time );
+
+ /**
+ * Invokes interactive context help.
+ */
+ static void invokeContextHelp();
+
+
+ /**
+ * Sets the parent window of @p subwindow to be @p mainwindow.
+ * This overrides the parent set the usual way as the QWidget parent,
+ * but only for the window manager - e.g. stacking order and window grouping
+ * will be affected, but features like automatic deletion of children
+ * when the parent is deleted are unaffected and normally use
+ * the QWidget parent.
+ *
+ * This function should be used before a dialog is shown for a window
+ * that belongs to another application.
+ *
+ * @since 3.4
+ */
+ static void setMainWindow( QWidget* subwindow, WId mainwindow );
+
+ /**
+ * Makes @p trayWin a system tray window for @p forWin.
+ *
+ * A system tray window serves as an icon replacement. It's
+ * displayed inside the panel's system tray.
+ * @param trayWin the id of the system tray window
+ * @param forWin the id of the window represented by the system
+ * tray window
+ */
+ static void setSystemTrayWindowFor( WId trayWin, WId forWin );
+
+ class WindowInfo;
+ class WindowInfoPrivate;
+ /**
+ * Returns information about window @p win. It is recommended to check
+ * whether the returned info is valid by calling the valid() method.
+ * @param win the id of the window
+ * @param properties all properties that should be retrieved (see NET::Property
+ * enum for details) - passing 0 means all properties. Unlisted properties
+ * cause related information to be invalid in the returned data, but
+ * make this function faster when not all data is needed.
+ * @param properties2 additional properties (see NET::Property2 enum). Note that
+ * specifying 0 means no properties, not all.
+ * @return the window information
+ * @since 3.2
+ */
+ static WindowInfo windowInfo( WId win, unsigned long properties = 0, unsigned long properties2 = 0 );
+
+ /**
+ * Returns the WM_TRANSIENT_FOR property for the given window, i.e. the mainwindow
+ * for this window.
+ *
+ * @param window the id of the window
+ * @since 3.2
+ */
+ static WId transientFor( WId window );
+
+ /**
+ * Returns the leader window for the group the given window is in, if any.
+ * @param window the id of the window
+ * @since 3.2
+ */
+ static WId groupLeader( WId window );
+
+ /**
+ * Returns an icon for window @p win.
+ *
+ * If @p width and @p height are specified, the best icon for the requested
+ * size is returned.
+ *
+ * If @p scale is true, the icon is smooth-scaled to have exactly
+ * the requested size.
+ *
+ * @param win the id of the window
+ * @param width the desired width, or -1
+ * @param height the desired height, or -1
+ * @param scale if true the icon will be scaled to the desired size. Otherwise the
+ * icon will not be modified.
+ * @return the icon of the window
+ */
+ static QPixmap icon( WId win, int width = -1, int height = -1, bool scale = false );
+
+ /**
+ * Masks specifying from which sources to read an icon. They are tried from the best
+ * until an icon is found.
+ * @li NETWM from property from the window manager specification
+ * @li WMHints from WMHints property
+ * @li ClassHint load icon after getting name from the classhint
+ * @li XApp load the standard X icon (last fallback)
+ */
+ enum IconSource { NETWM = 1, //!< read from property from the window manager specification
+ WMHints = 2, //!< read from WMHints property
+ ClassHint = 4, //!< load icon after getting name from the classhint
+ XApp = 8 //!<load the standard X icon (last fallback)
+ };
+ /**
+ * @overload
+ *
+ * Overloaded variant that allows specifying from which sources the icon should be read.
+ * You should usually prefer the simpler variant which tries all possibilities to get
+ * an icon.
+ *
+ * @param win the id of the window
+ * @param width the desired width, or -1
+ * @param height the desired height, or -1
+ * @param scale if true the icon will be scaled to the desired size. Otherwise the
+ * icon will not be modified.
+ * @param flags OR-ed flags from the IconSource enum
+ * @since 3.2
+ */
+ static QPixmap icon( WId win, int width, int height, bool scale, int flags );
+
+ /**
+ * Sets an @p icon and a @p miniIcon on window @p win
+ * @param win the id of the window
+ * @param icon the new icon
+ * @param miniIcon the new mini icon
+ */
+ static void setIcons( WId win, const QPixmap& icon, const QPixmap& miniIcon );
+
+ /**
+ * Sets the type of window @p win to @p windowType.
+ *
+ * @param win the id of the window
+ * @param windowType the type of the window (see NET::WindowType)
+ */
+ static void setType( WId win, NET::WindowType windowType );
+
+ /**
+ * Sets the state of window @p win to @p state.
+ *
+ * Possible values are or'ed combinations of NET::Modal,
+ * NET::Sticky, NET::MaxVert, NET::MaxHoriz, NET::Shaded,
+ * NET::SkipTaskbar, NET::SkipPager, NET::Hidden,
+ * NET::FullScreen, NET::KeepAbove, NET::KeepBelow, NET::StaysOnTop
+ *
+ * @param win the id of the window
+ * @param state the new flags that will be set
+ */
+ static void setState( WId win, unsigned long state );
+
+ /**
+ * Clears the state of window @p win from @p state.
+ *
+ * Possible values are or'ed combinations of NET::Modal,
+ * NET::Sticky, NET::MaxVert, NET::MaxHoriz, NET::Shaded,
+ * NET::SkipTaskbar, NET::SkipPager, NET::Hidden,
+ * NET::FullScreen, NET::KeepAbove, NET::KeepBelow, NET::StaysOnTop
+ *
+ * @param win the id of the window
+ * @param state the flags that will be cleared
+ */
+ static void clearState( WId win, unsigned long state );
+
+ /**
+ * Sets the opacity of window @p win to percetage @p percent.
+ *
+ * Convenience function that just sets an X property
+ * needs a running composite manager for any visible effect
+ *
+ * @param win the id of the window
+ * @param percent the opacity value in percent (will be justified to [ 0: transparent - 100: opaque ])
+ * @since 3.4
+ */
+ static void setOpacity( WId win, uint percent );
+
+ /**
+ * Sets the shadowsize of window @p win to percetage @p percent.
+ *
+ * Convenience function that just sets an X property
+ * needs the running KDE kompmgr manager for any visible effect
+ *
+ * @param win the id of the window
+ * @param percent the opacity value in percent (0 leads to a completely unshadowed window)
+ * @since 3.4
+ */
+ static void setShadowSize( WId win, uint percent );
+
+ /**
+ * Sets window @p win to be present on all virtual desktops if @p
+ * is true. Otherwise the window lives only on one single desktop.
+ *
+ * @param win the id of the window
+ * @param b true to show the window on all desktops, false
+ * otherwise
+ */
+ static void setOnAllDesktops( WId win, bool b );
+
+ /**
+ * Moves window @p win to desktop @p desktop.
+ *
+ * @param win the id of the window
+ * @param desktop the number of the new desktop
+ */
+ static void setOnDesktop( WId win, int desktop);
+
+ /**
+ * Sets the strut of window @p win to @p to @p left width
+ * ranging from @p left_start to @p left_end on the left edge,
+ * and simiarly for the other edges. For not reserving a strut, pass 0 as the width.
+ * E.g. to reserve 10x10 square in the topleft corner, use e.g.
+ * setExtendedStrut( w, 10, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0 ).
+ *
+ * @param win the id of the window
+ * @param left_width width of the strut at the left edge
+ * @param left_start starting y coordinate of the strut at the left edge
+ * @param left_end ending y coordinate of the strut at the left edge
+ * @param right_width width of the strut at the right edge
+ * @param right_start starting y coordinate of the strut at the right edge
+ * @param right_end ending y coordinate of the strut at the right edge
+ * @param top_width width of the strut at the top edge
+ * @param top_start starting x coordinate of the strut at the top edge
+ * @param top_end ending x coordinate of the strut at the top edge
+ * @param bottom_width width of the strut at the bottom edge
+ * @param bottom_start starting x coordinate of the strut at the bottom edge
+ * @param bottom_end ending x coordinate of the strut at the bottom edge
+ */
+ static void setExtendedStrut( WId win, int left_width, int left_start, int left_end,
+ int right_width, int right_start, int right_end, int top_width, int top_start, int top_end,
+ int bottom_width, int bottom_start, int bottom_end );
+
+ /**
+ * @deprecated use setExtendedStrut()
+ * Sets the strut of window @p win to @p left, @p right, @p top, @p bottom.
+ *
+ * @param win the id of the window
+ * @param left the left strut
+ * @param right the right strut
+ * @param top the top strut
+ * @param bottom the bottom strut
+ */
+ static void setStrut( WId win, int left, int right, int top, int bottom );
+ /**
+ * Convenience function to access the current desktop. See NETRootInfo.
+ * @return the number of the current desktop
+ */
+ static int currentDesktop();
+
+ /**
+ * Convenience function to access the number of desktops. See
+ * NETRootInfo.
+ * @return the number of desktops
+ */
+ static int numberOfDesktops();
+
+ /**
+ * Convenience function to set the current desktop to @p desktop.
+ * See NETRootInfo.
+ * @param desktop the number of the new desktop
+ */
+ static void setCurrentDesktop( int desktop );
+
+ /**
+ * Convenience function to set the current viewport to @p viewport.
+ * See NETRootInfo.
+ * @param desktop the number of the new desktop
+ * @param viewport the position of the new viewport
+ * @since 3.5.5
+ */
+ static void setCurrentDesktopViewport( int desktop, QPoint viewport );
+
+ /**
+ * Iconifies a window. Compatible to XIconifyWindow but has an
+ * additional parameter @p animation.
+ *
+ * @param win the id of the window
+ * @param animation true to show an animation
+ * @see deIconifyWindow()
+ */
+ static void iconifyWindow( WId win, bool animation = true );
+
+ /**
+ * DeIconifies a window. Compatible to XMapWindow but has an
+ * additional parameter @p animation.
+ *
+ * @param win the id of the window
+ * @param animation true to show an animation
+ * @see iconifyWindow()
+ */
+ static void deIconifyWindow( WId win, bool animation = true );
+
+ /**
+ * Raises the given window. This call is only for pagers and similar
+ * tools that represent direct user actions. Applications should not
+ * use it, they should keep using QWidget::raise() or XRaiseWindow()
+ * if necessary.
+ * @since 3.2
+ */
+ static void raiseWindow( WId win );
+
+ /**
+ * Lowers the given window. This call is only for pagers and similar
+ * tools that represent direct user actions. Applications should not
+ * use it, they should keep using QWidget::lower() or XLowerWindow()
+ * if necessary.
+ * @since 3.2
+ */
+ static void lowerWindow( WId win );
+
+ /**
+ * @internal
+ * Returns true if the WM uses IconicState also for windows
+ * on inactive virtual desktops.
+ */
+ static bool icccmCompliantMappingState();
+
+ /**
+ * Returns true if the WM announces which actions it allows for windows.
+ * @since 3.2
+ */
+ static bool allowedActionsSupported();
+
+ /**
+ * Function that reads and returns the contents of the given text
+ * property (WM_NAME, WM_ICON_NAME,...).
+ * @since 3.2
+ */
+ static QString readNameProperty( WId window, unsigned long atom );
+
+ /**
+ * Returns true if a compositing manager is running (i.e. ARGB windows
+ * are supported, effects will be provided, etc.).
+ */
+ static bool compositingActive();
+
+ /**
+ * @deprecated Use WindowInfo .
+ */
+ struct KDECORE_EXPORT Info
+ {
+ /// The window's id.
+ WId win;
+ /// The window's state.
+ long unsigned int state;
+ /// The mapping state.
+ bool isMinimized() const;
+ bool isIconified() const;
+ NET::MappingState mappingState;
+ /// The strut.
+ NETStrut strut;
+ /// The window type.
+ NET::WindowType windowType;
+ /// The visible name of the window.
+ QString visibleName;
+ /// The name of the window.
+ QString name;
+ /// The number of the window's desktop.
+ int desktop;
+ /// true if the window is on all desktops.
+ bool onAllDesktops;
+ /// The process id of the window's owner
+ pid_t pid;
+ /// Position and size of the window contents.
+ QRect geometry;
+ /// Position and size of the window's frame.
+ QRect frameGeometry;
+
+ QString visibleNameWithState() const;
+ };
+
+ /**
+ * @deprecated
+ * Use windowInfo() .
+ */
+ static Info info( WId win ) KDE_DEPRECATED;
+
+#ifdef KDE_NO_COMPAT
+private:
+#endif
+ /**
+ * @deprecated
+ * Use KStartupInfo::appStarted
+ */
+ static void appStarted() KDE_DEPRECATED;
+};
+
+
+/**
+ * Information about a window.
+ * @since 3.2
+ */
+class KDECORE_EXPORT KWin::WindowInfo
+{
+public:
+ /**
+ * Reads all the info about the given window.
+ */
+ WindowInfo( WId window, unsigned long properties, unsigned long properties2 );
+ WindowInfo(); // to make QValueList and others happy
+ ~WindowInfo();
+ /**
+ * Returns false if this window info is not valid (most probably the given
+ * window doesn't exist).
+ * @param withdrawn_is_valid if true, windows in the withdrawn state
+ * (i.e. not managed) are also considered. This is usually not the case.
+ */
+ bool valid( bool withdrawn_is_valid = false ) const;
+ /**
+ * Returns the window identifier.
+ */
+ WId win() const;
+ /**
+ * Returns the window's state flags (see the NET::State enum for details).
+ * Requires NET::WMState passed to KWin::windowInfo().
+ */
+ unsigned long state() const;
+ /**
+ * Returns true if the window has the given state flag set (see the NET::State enum for details).
+ * Requires NET::WMState passed to KWin::windowInfo().
+ * @since 3.2.1
+ */
+ bool hasState( unsigned long s ) const { return ( state() & s ) == s; }
+ /**
+ * Returns true if the window is minimized. Note that it is true only if
+ * the window is truly minimized, not shaded or on another virtual desktops,
+ * which makes it different from mappingState() == NET::Iconic
+ * or QWidget::isMinimized().
+ * Requires NET::WMState and NET::XAWMState passed to KWin::windowInfo().
+ */
+ bool isMinimized() const;
+ /**
+ * Returns the mapping state of the window (see NET::MappingState). Note that
+ * it's very likely that you don't want to use this function, and use isOnDesktop(),
+ * isMinimized() etc. instead.
+ * Requires NET::XAWMState passed to KWin::windowInfo().
+ */
+ NET::MappingState mappingState() const;
+ /**
+ * Returns the window extended (partial) strut.
+ * Requires NET::WM2ExtendedStrut passed to KWin::windowInfo().
+ */
+ NETExtendedStrut extendedStrut() const;
+ /**
+ * @deprecated use extendedStrut()
+ * Returns the window strut.
+ * Requires NET::WMStrut passed to KWin::windowInfo().
+ */
+ NETStrut strut() const;
+ /**
+ * Returns the window type of this window (see NET::WindowType). The argument
+ * should be all window types your application supports (see NET::WindowTypeMask).
+ * Requires NET::WMWindowType passed to KWin::windowInfo().
+ */
+ NET::WindowType windowType( int supported_types ) const;
+ /**
+ * Returns the visible name of the window (i.e. including possible <2> appended
+ * when there are two or more windows with the same name).
+ * Requires NET::WMVisibleName passed to KWin::windowInfo().
+ */
+ QString visibleName() const;
+ /**
+ * Returns a visible name with state.
+ *
+ * This is a simple convenience function that returns the
+ * visible name but with parentheses around minimized windows.
+ * Requires NET::WMVisibleName, NET::WMState and NET::XAWMState passed
+ * to KWin::windowInfo().
+ * @return the window name with state
+ */
+ QString visibleNameWithState() const;
+ /**
+ * Returns the name of the window, as specified by the application, without
+ * any modifications. You should often use visibleName() instead.
+ * Requires NET::WMName passed to KWin::windowInfo().
+ */
+ QString name() const;
+ /**
+ * Returns the visible name of the window that should be shown in taskbar
+ * and all other "iconic" representations of the window. Note that this
+ * has nothing to do with normal icons.
+ * Requires NET::WMVisibleIconName passed to KWin::windowInfo().
+ */
+ QString visibleIconName() const;
+ /**
+ * Returns a visible name with state.
+ *
+ * This is a simple convenience function that returns the
+ * visible iconic name but with parentheses around minimized windows.
+ * Note that this has nothing to do with normal icons.
+ * Requires NET::WMVisibleIconName, NET::WMState and NET::XAWMState passed
+ * to KWin::windowInfo().
+ * @return the window iconic name with state
+ */
+ QString visibleIconNameWithState() const;
+ /**
+ * Returns the name of the window that should be shown in taskbar and all other
+ * "iconic" representations of the window. Note that this has nothing to do
+ * with normal icons.
+ * Requires NET::WMIconName passed to KWin::windowInfo().
+ */
+ QString iconName() const;
+ /**
+ * Returns true if the window is on the currently active virtual desktop.
+ * Requires NET::WMDesktop passed to KWin::windowInfo().
+ */
+ bool isOnCurrentDesktop() const;
+ /**
+ * Returns true if the window is on the given virtual desktop.
+ * Requires NET::WMDesktop passed to KWin::windowInfo().
+ */
+ bool isOnDesktop( int desktop ) const;
+ /**
+ * Returns true if the window is on all desktops
+ * (equal to desktop()==NET::OnAllDesktops).
+ * Requires NET::WMDesktop passed to KWin::windowInfo().
+ */
+ bool onAllDesktops() const;
+ /**
+ * Returns the virtual desktop this window is on (NET::OnAllDesktops if the window
+ * is on all desktops). You should prefer using isOnDesktop().
+ * Requires NET::WMDesktop passed to KWin::windowInfo().
+ */
+ int desktop() const;
+ /**
+ * Returns the position and size of the window contents.
+ * Requires NET::WMGeometry passed to KWin::windowInfo().
+ */
+ QRect geometry() const;
+ /**
+ * Returns the frame geometry of the window, i.e. including the window decoration.
+ * Requires NET::WMKDEFrameStrut passed to KWin::windowInfo().
+ */
+ QRect frameGeometry() const;
+ /**
+ * Returns the WM_TRANSIENT_FOR property for the window, i.e. the mainwindow
+ * for this window.
+ * Requires NET::WM2TransientFor passed to KWin::windowInfo().
+ */
+ WId transientFor() const;
+ /**
+ * Returns the leader window for the group the window is in, if any.
+ * Requires NET::WM2GroupLeader passed to KWin::windowInfo().
+ */
+ WId groupLeader() const;
+
+ /**
+ * Returns the class component of the window class for the window
+ * (i.e. WM_CLASS property).
+ * Requires NET::WM2WindowClass passed to KWin::windowInfo().
+ * @since 3.3
+ */
+ QCString windowClassClass() const;
+
+ /**
+ * Returns the name component of the window class for the window
+ * (i.e. WM_CLASS property).
+ * Requires NET::WM2WindowClass passed to KWin::windowInfo().
+ * @since 3.3
+ */
+ QCString windowClassName() const;
+
+ /**
+ * Returns the window role for the window (i.e. WM_WINDOW_ROLE property).
+ * Requires NET::WM2WindowRole passed to KWin::windowInfo().
+ * @since 3.3
+ */
+ QCString windowRole() const;
+
+ /**
+ * Returns the client machine for the window (i.e. WM_CLIENT_MACHINE property).
+ * Requires NET::WMClientMachine passed to KWin::windowInfo().
+ * @since 3.3
+ */
+ QCString clientMachine() const;
+
+ /**
+ * Returns true if the given action is currently supported for the window
+ * by the window manager.
+ * Requires NET::WM2AllowedActions passed to KWin::windowInfo().
+ */
+ bool actionSupported( NET::Action action ) const;
+
+ WindowInfo( const WindowInfo& );
+ WindowInfo& operator=( const WindowInfo& );
+private:
+ WindowInfoPrivate* d;
+};
+
+#endif //Q_OS_UNIX
+
+#endif