dd7972ce46
With internal clients and xdg-shell clients, geometry updates occur in asynchronous fashion when interactively resizing the window. As is, performInteractiveMoveResize() will call resize() if the move resize geometry is different from the current frame geometry. This can result in kwin sending excessive configure events. With this change, kwin will send less configure events during interactive resize.
636 lines
20 KiB
C++
636 lines
20 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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SPDX-FileCopyrightText: 1999, 2000 Matthias Ettrich <ettrich@kde.org>
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SPDX-FileCopyrightText: 2003 Lubos Lunak <l.lunak@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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// kwin
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#include "decorationitem.h"
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#include "abstract_client.h"
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#include "xcbutils.h"
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// Qt
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#include <QElapsedTimer>
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#include <QFlags>
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#include <QPointer>
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#include <QPixmap>
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#include <QWindow>
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// X
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#include <xcb/sync.h>
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// TODO: Cleanup the order of things in this .h file
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class QTimer;
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class KStartupInfoData;
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class KStartupInfoId;
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namespace KWin
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{
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/**
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* @brief Defines Predicates on how to search for a Client.
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*
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* Used by Workspace::findClient.
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*/
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enum class Predicate {
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WindowMatch,
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WrapperIdMatch,
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FrameIdMatch,
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InputIdMatch,
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};
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/**
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* @todo Remove when the X11 platform support is dropped. This decoration renderer
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* will be used if compositing is off.
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*/
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class X11DecorationRenderer : public DecorationRenderer
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{
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Q_OBJECT
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public:
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explicit X11DecorationRenderer(Decoration::DecoratedClientImpl *client);
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~X11DecorationRenderer() override;
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protected:
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void render(const QRegion ®ion) override;
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private:
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void update();
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QTimer *m_scheduleTimer;
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xcb_gcontext_t m_gc;
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};
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class KWIN_EXPORT X11Client : public AbstractClient
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{
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Q_OBJECT
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/**
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* By how much the window wishes to grow/shrink at least. Usually QSize(1,1).
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* MAY BE DISOBEYED BY THE WM! It's only for information, do NOT rely on it at all.
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* The value is evaluated each time the getter is called.
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* Because of that no changed signal is provided.
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*/
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Q_PROPERTY(QSize basicUnit READ basicUnit)
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/**
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* A client can block compositing. That is while the Client is alive and the state is set,
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* Compositing is suspended and is resumed when there are no Clients blocking compositing any
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* more.
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*
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* This is actually set by a window property, unfortunately not used by the target application
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* group. For convenience it's exported as a property to the scripts.
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*
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* Use with care!
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*/
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Q_PROPERTY(bool blocksCompositing READ isBlockingCompositing WRITE setBlockingCompositing NOTIFY blockingCompositingChanged)
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/**
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* Whether the Client uses client side window decorations.
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* Only GTK+ are detected.
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*/
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Q_PROPERTY(bool clientSideDecorated READ isClientSideDecorated NOTIFY clientSideDecoratedChanged)
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public:
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explicit X11Client();
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~X11Client() override; ///< Use destroyClient() or releaseWindow()
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xcb_window_t wrapperId() const;
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xcb_window_t inputId() const { return m_decoInputExtent; }
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xcb_window_t frameId() const override;
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QRect inputGeometry() const override;
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QPoint framePosToClientPos(const QPoint &point) const override;
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QPoint clientPosToFramePos(const QPoint &point) const override;
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QSize frameSizeToClientSize(const QSize &size) const override;
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QSize clientSizeToFrameSize(const QSize &size) const override;
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QRect frameRectToBufferRect(const QRect &rect) const;
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QMatrix4x4 inputTransformation() const override;
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bool isTransient() const override;
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bool groupTransient() const override;
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bool wasOriginallyGroupTransient() const;
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QList<AbstractClient*> mainClients() const override; // Call once before loop , is not indirect
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bool hasTransient(const AbstractClient* c, bool indirect) const override;
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void checkTransient(xcb_window_t w);
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AbstractClient* findModal(bool allow_itself = false) override;
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const Group* group() const override;
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Group* group() override;
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void checkGroup(Group* gr = nullptr, bool force = false);
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void changeClientLeaderGroup(Group* gr);
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bool supportsWindowRules() const override;
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void updateWindowRules(Rules::Types selection) override;
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void applyWindowRules() override;
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void updateFullscreenMonitors(NETFullscreenMonitors topology);
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bool hasNETSupport() const;
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QSize minSize() const override;
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QSize maxSize() const override;
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QSize basicUnit() const;
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QPoint inputPos() const { return input_offset; } // Inside of geometry()
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bool windowEvent(xcb_generic_event_t *e);
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NET::WindowType windowType(bool direct = false, int supported_types = 0) const override;
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bool manage(xcb_window_t w, bool isMapped);
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void releaseWindow(bool on_shutdown = false);
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void destroyClient() override;
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QStringList activities() const override;
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void doSetOnActivities(const QStringList &newActivitiesList) override;
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void updateActivities(bool includeTransients) override;
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/// Is not minimized and not hidden. I.e. normally visible on some virtual desktop.
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bool isShown() const override;
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bool isHiddenInternal() const override; // For compositing
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bool isShadeable() const override;
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bool isMaximizable() const override;
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MaximizeMode maximizeMode() const override;
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bool isMinimizable() const override;
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QRect iconGeometry() const override;
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bool isFullScreenable() const override;
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void setFullScreen(bool set, bool user = true) override;
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bool isFullScreen() const override;
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bool userCanSetFullScreen() const override;
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int fullScreenMode() const {
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return m_fullscreenMode; // only for session saving
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}
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bool userNoBorder() const;
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bool noBorder() const override;
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void setNoBorder(bool set) override;
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bool userCanSetNoBorder() const override;
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void checkNoBorder() override;
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int sessionStackingOrder() const;
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// Auxiliary functions, depend on the windowType
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bool wantsInput() const override;
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bool isResizable() const override;
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bool isMovable() const override;
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bool isMovableAcrossScreens() const override;
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bool isCloseable() const override; ///< May be closed by the user (May have a close button)
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bool takeFocus() override;
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void invalidateDecoration() override;
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void updateShape();
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/// resizeWithChecks() resizes according to gravity, and checks workarea position
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void resizeWithChecks(const QSize &size) override;
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void resizeWithChecks(int w, int h, xcb_gravity_t gravity);
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void resizeWithChecks(const QSize& s, xcb_gravity_t gravity);
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QSize constrainClientSize(const QSize &size, SizeMode mode = SizeModeAny) const override;
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bool providesContextHelp() const override;
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xcb_colormap_t colormap() const;
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/// Updates visibility depending on being shaded, virtual desktop, etc.
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void updateVisibility();
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/// Hides a client - Basically like minimize, but without effects, it's simply hidden
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void hideClient() override;
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void showClient() override;
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bool hiddenPreview() const; ///< Window is mapped in order to get a window pixmap
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bool setupCompositing() override;
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void finishCompositing(ReleaseReason releaseReason = ReleaseReason::Release) override;
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void setBlockingCompositing(bool block);
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inline bool isBlockingCompositing() { return blocks_compositing; }
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QString captionNormal() const override {
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return cap_normal;
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}
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QString captionSuffix() const override {
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return cap_suffix;
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}
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using AbstractClient::keyPressEvent;
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void keyPressEvent(uint key_code, xcb_timestamp_t time); // FRAME ??
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void updateMouseGrab() override;
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xcb_window_t moveResizeGrabWindow() const;
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QPoint gravityAdjustment(xcb_gravity_t gravity) const;
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const QPoint calculateGravitation(bool invert) const;
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void NETMoveResize(int x_root, int y_root, NET::Direction direction);
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void NETMoveResizeWindow(int flags, int x, int y, int width, int height);
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void restackWindow(xcb_window_t above, int detail, NET::RequestSource source, xcb_timestamp_t timestamp,
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bool send_event = false);
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void gotPing(xcb_timestamp_t timestamp);
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void updateUserTime(xcb_timestamp_t time = XCB_TIME_CURRENT_TIME);
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xcb_timestamp_t userTime() const override;
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bool hasUserTimeSupport() const;
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/// Does 'delete c;'
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static void deleteClient(X11Client *c);
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static bool belongToSameApplication(const X11Client *c1, const X11Client *c2, SameApplicationChecks checks = SameApplicationChecks());
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static bool sameAppWindowRoleMatch(const X11Client *c1, const X11Client *c2, bool active_hack);
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void killWindow() override;
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void showContextHelp() override;
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void checkActiveModal();
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StrutRect strutRect(StrutArea area) const override;
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bool hasStrut() const override;
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/**
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* If shown is true the client is mapped and raised, if false
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* the client is unmapped and hidden, this function is called
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* when the tabbing group of the client switches its visible
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* client.
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*/
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void setClientShown(bool shown) override;
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bool isClientSideDecorated() const;
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Xcb::Property fetchFirstInTabBox() const;
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void readFirstInTabBox(Xcb::Property &property);
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void updateFirstInTabBox();
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Xcb::StringProperty fetchPreferredColorScheme() const;
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QString readPreferredColorScheme(Xcb::StringProperty &property) const;
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QString preferredColorScheme() const override;
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//sets whether the client should be faked as being on all activities (and be shown during session save)
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void setSessionActivityOverride(bool needed);
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bool isClient() const override;
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void cancelFocusOutTimer();
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/**
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* Restores the Client after it had been hidden due to show on screen edge functionality.
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* In addition the property gets deleted so that the Client knows that it is visible again.
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*/
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void showOnScreenEdge() override;
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Xcb::StringProperty fetchApplicationMenuServiceName() const;
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void readApplicationMenuServiceName(Xcb::StringProperty &property);
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void checkApplicationMenuServiceName();
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Xcb::StringProperty fetchApplicationMenuObjectPath() const;
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void readApplicationMenuObjectPath(Xcb::StringProperty &property);
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void checkApplicationMenuObjectPath();
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struct SyncRequest {
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xcb_sync_counter_t counter;
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xcb_sync_int64_t value;
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xcb_sync_alarm_t alarm;
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xcb_timestamp_t lastTimestamp;
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QTimer *timeout, *failsafeTimeout;
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bool isPending;
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};
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const SyncRequest &syncRequest() const {
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return m_syncRequest;
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}
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virtual bool wantsSyncCounter() const;
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void handleSync();
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void handleSyncTimeout();
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static void cleanupX11();
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public Q_SLOTS:
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void closeWindow() override;
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void updateCaption() override;
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private:
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// Handlers for X11 events
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bool mapRequestEvent(xcb_map_request_event_t *e);
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void unmapNotifyEvent(xcb_unmap_notify_event_t *e);
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void destroyNotifyEvent(xcb_destroy_notify_event_t *e);
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void configureRequestEvent(xcb_configure_request_event_t *e);
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void propertyNotifyEvent(xcb_property_notify_event_t *e) override;
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void clientMessageEvent(xcb_client_message_event_t *e) override;
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void enterNotifyEvent(xcb_enter_notify_event_t *e);
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void leaveNotifyEvent(xcb_leave_notify_event_t *e);
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void focusInEvent(xcb_focus_in_event_t *e);
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void focusOutEvent(xcb_focus_out_event_t *e);
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void damageNotifyEvent();
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bool buttonPressEvent(xcb_window_t w, int button, int state, int x, int y, int x_root, int y_root, xcb_timestamp_t time = XCB_CURRENT_TIME);
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bool buttonReleaseEvent(xcb_window_t w, int button, int state, int x, int y, int x_root, int y_root);
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bool motionNotifyEvent(xcb_window_t w, int state, int x, int y, int x_root, int y_root);
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protected:
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bool belongsToSameApplication(const AbstractClient *other, SameApplicationChecks checks) const override;
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void doSetActive() override;
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void doSetKeepAbove() override;
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void doSetKeepBelow() override;
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void doSetShade(ShadeMode previousShadeMode) override;
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void doSetDesktop() override;
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void doMinimize() override;
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void doSetSkipPager() override;
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void doSetSkipTaskbar() override;
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void doSetSkipSwitcher() override;
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void doSetDemandsAttention() override;
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bool belongsToDesktop() const override;
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bool doStartInteractiveMoveResize() override;
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bool isWaitingForInteractiveMoveResizeSync() const override;
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void doInteractiveResizeSync() override;
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QSize resizeIncrements() const override;
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bool acceptsFocus() const override;
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void moveResizeInternal(const QRect &rect, MoveResizeMode mode) override;
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//Signals for the scripting interface
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//Signals make an excellent way for communication
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//in between objects as compared to simple function
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//calls
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Q_SIGNALS:
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void clientManaging(KWin::X11Client *);
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void clientFullScreenSet(KWin::X11Client *, bool, bool);
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/**
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* Emitted whenever the Client want to show it menu
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*/
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void showRequest();
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/**
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* Emitted whenever the Client's menu is closed
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*/
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void menuHidden();
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/**
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* Emitted whenever the Client's menu is available
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*/
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void appMenuAvailable();
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/**
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* Emitted whenever the Client's menu is unavailable
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*/
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void appMenuUnavailable();
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/**
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* Emitted whenever the Client's block compositing state changes.
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*/
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void blockingCompositingChanged(KWin::X11Client *client);
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void clientSideDecoratedChanged();
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private:
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void exportMappingState(int s); // ICCCM 4.1.3.1, 4.1.4, NETWM 2.5.1
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bool isManaged() const; ///< Returns false if this client is not yet managed
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void updateAllowedActions(bool force = false);
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QRect fullscreenMonitorsArea(NETFullscreenMonitors topology) const;
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void changeMaximize(bool horizontal, bool vertical, bool adjust) override;
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void getWmNormalHints();
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void getMotifHints();
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void getIcons();
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void fetchName();
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void fetchIconicName();
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QString readName() const;
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void setCaption(const QString& s, bool force = false);
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bool hasTransientInternal(const X11Client *c, bool indirect, QList<const X11Client *> &set) const;
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void setShortcutInternal() override;
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void configureRequest(int value_mask, int rx, int ry, int rw, int rh, int gravity, bool from_tool);
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NETExtendedStrut strut() const;
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int checkShadeGeometry(int w, int h);
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void getSyncCounter();
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void sendSyncRequest();
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void leaveInteractiveMoveResize() override;
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void performInteractiveResize();
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void establishCommandWindowGrab(uint8_t button);
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void establishCommandAllGrab(uint8_t button);
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void resizeDecoration();
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void pingWindow();
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void killProcess(bool ask, xcb_timestamp_t timestamp = XCB_TIME_CURRENT_TIME);
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void updateUrgency();
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static void sendClientMessage(xcb_window_t w, xcb_atom_t a, xcb_atom_t protocol,
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uint32_t data1 = 0, uint32_t data2 = 0, uint32_t data3 = 0);
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void embedClient(xcb_window_t w, xcb_visualid_t visualid, xcb_colormap_t colormap, uint8_t depth);
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void detectNoBorder();
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void updateFrameExtents();
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void setClientFrameExtents(const NETStrut &strut);
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void internalShow();
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void internalHide();
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void internalKeep();
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void map();
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void unmap();
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void updateHiddenPreview();
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void updateInputShape();
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void updateServerGeometry();
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void discardWindowPixmap();
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void updateWindowPixmap();
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xcb_timestamp_t readUserTimeMapTimestamp(const KStartupInfoId* asn_id, const KStartupInfoData* asn_data,
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bool session) const;
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xcb_timestamp_t readUserCreationTime() const;
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void startupIdChanged();
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void updateInputWindow();
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Xcb::Property fetchShowOnScreenEdge() const;
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void readShowOnScreenEdge(Xcb::Property &property);
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/**
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* Reads the property and creates/destroys the screen edge if required
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* and shows/hides the client.
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*/
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void updateShowOnScreenEdge();
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void maybeCreateX11DecorationRenderer();
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void maybeDestroyX11DecorationRenderer();
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void updateDecoration(bool check_workspace_pos, bool force = false);
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void createDecoration(const QRect &oldgeom);
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void destroyDecoration();
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Xcb::Window m_client;
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Xcb::Window m_wrapper;
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Xcb::Window m_frame;
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int m_activityUpdatesBlocked;
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bool m_blockedActivityUpdatesRequireTransients;
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Xcb::Window m_moveResizeGrabWindow;
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bool move_resize_has_keyboard_grab;
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bool m_managed;
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Xcb::GeometryHints m_geometryHints;
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void sendSyntheticConfigureNotify();
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enum MappingState {
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Withdrawn, ///< Not handled, as per ICCCM WithdrawnState
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Mapped, ///< The frame is mapped
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Unmapped, ///< The frame is not mapped
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Kept ///< The frame should be unmapped, but is kept (For compositing)
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};
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MappingState mapping_state;
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Xcb::TransientFor fetchTransient() const;
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void readTransientProperty(Xcb::TransientFor &transientFor);
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void readTransient();
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xcb_window_t verifyTransientFor(xcb_window_t transient_for, bool set);
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void addTransient(AbstractClient* cl) override;
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void removeTransient(AbstractClient* cl) override;
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void removeFromMainClients();
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void cleanGrouping();
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void checkGroupTransients();
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void setTransient(xcb_window_t new_transient_for_id);
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xcb_window_t m_transientForId;
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xcb_window_t m_originalTransientForId;
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X11Client *shade_below;
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Xcb::MotifHints m_motif;
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uint hidden : 1; ///< Forcibly hidden by calling hide()
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uint noborder : 1;
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uint app_noborder : 1; ///< App requested no border via window type, shape extension, etc.
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uint ignore_focus_stealing : 1; ///< Don't apply focus stealing prevention to this client
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bool blocks_compositing;
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enum FullScreenMode {
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FullScreenNone,
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FullScreenNormal
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} m_fullscreenMode;
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MaximizeMode max_mode;
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xcb_colormap_t m_colormap;
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QString cap_normal, cap_iconic, cap_suffix;
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Group* in_group;
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QTimer* ping_timer;
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qint64 m_killHelperPID;
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xcb_timestamp_t m_pingTimestamp;
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xcb_timestamp_t m_userTime;
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NET::Actions allowed_actions;
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bool shade_geometry_change;
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SyncRequest m_syncRequest;
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static bool check_active_modal; ///< \see X11Client::checkActiveModal()
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int sm_stacking_order;
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friend struct ResetupRulesProcedure;
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|
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friend bool performTransiencyCheck();
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|
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Xcb::StringProperty fetchActivities() const;
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void readActivities(Xcb::StringProperty &property);
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void checkActivities();
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bool activitiesDefined; //whether the x property was actually set
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|
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bool sessionActivityOverride;
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bool needsXWindowMove;
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|
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Xcb::Window m_decoInputExtent;
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QPoint input_offset;
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|
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QTimer *m_focusOutTimer;
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|
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QMetaObject::Connection m_edgeRemoveConnection;
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QMetaObject::Connection m_edgeGeometryTrackingConnection;
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|
|
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QMargins m_clientFrameExtents;
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QRect m_lastBufferGeometry;
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QRect m_lastFrameGeometry;
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QRect m_lastClientGeometry;
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QScopedPointer<X11DecorationRenderer> m_decorationRenderer;
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};
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|
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inline xcb_window_t X11Client::wrapperId() const
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|
{
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return m_wrapper;
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}
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|
|
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inline bool X11Client::isClientSideDecorated() const
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|
{
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return !m_clientFrameExtents.isNull();
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|
}
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|
|
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inline bool X11Client::groupTransient() const
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|
{
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return m_transientForId == rootWindow();
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|
}
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|
|
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// Needed because verifyTransientFor() may set transient_for_id to root window,
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// if the original value has a problem (window doesn't exist, etc.)
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inline bool X11Client::wasOriginallyGroupTransient() const
|
|
{
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|
return m_originalTransientForId == rootWindow();
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|
}
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|
|
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inline bool X11Client::isTransient() const
|
|
{
|
|
return m_transientForId != XCB_WINDOW_NONE;
|
|
}
|
|
|
|
inline const Group* X11Client::group() const
|
|
{
|
|
return in_group;
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|
}
|
|
|
|
inline Group* X11Client::group()
|
|
{
|
|
return in_group;
|
|
}
|
|
|
|
inline bool X11Client::isShown() const
|
|
{
|
|
return !isMinimized() && !hidden;
|
|
}
|
|
|
|
inline bool X11Client::isHiddenInternal() const
|
|
{
|
|
return hidden;
|
|
}
|
|
|
|
inline MaximizeMode X11Client::maximizeMode() const
|
|
{
|
|
return max_mode;
|
|
}
|
|
|
|
inline bool X11Client::isFullScreen() const
|
|
{
|
|
return m_fullscreenMode != FullScreenNone;
|
|
}
|
|
|
|
inline bool X11Client::hasNETSupport() const
|
|
{
|
|
return info->hasNETSupport();
|
|
}
|
|
|
|
inline xcb_colormap_t X11Client::colormap() const
|
|
{
|
|
return m_colormap;
|
|
}
|
|
|
|
inline int X11Client::sessionStackingOrder() const
|
|
{
|
|
return sm_stacking_order;
|
|
}
|
|
|
|
inline bool X11Client::isManaged() const
|
|
{
|
|
return m_managed;
|
|
}
|
|
|
|
inline void X11Client::resizeWithChecks(const QSize &s)
|
|
{
|
|
resizeWithChecks(s.width(), s.height(), XCB_GRAVITY_BIT_FORGET);
|
|
}
|
|
|
|
inline void X11Client::resizeWithChecks(const QSize& s, xcb_gravity_t gravity)
|
|
{
|
|
resizeWithChecks(s.width(), s.height(), gravity);
|
|
}
|
|
|
|
inline bool X11Client::hasUserTimeSupport() const
|
|
{
|
|
return info->userTime() != -1U;
|
|
}
|
|
|
|
inline xcb_window_t X11Client::moveResizeGrabWindow() const
|
|
{
|
|
return m_moveResizeGrabWindow;
|
|
}
|
|
|
|
inline bool X11Client::hiddenPreview() const
|
|
{
|
|
return mapping_state == Kept;
|
|
}
|
|
|
|
} // namespace
|
|
Q_DECLARE_METATYPE(KWin::X11Client *)
|
|
Q_DECLARE_METATYPE(QList<KWin::X11Client *>)
|