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RedBear-OS/local/recipes/kde/kwin/source/src/placement.h
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2026-04-14 10:51:06 +01:00

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/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 1999, 2000 Matthias Ettrich <ettrich@kde.org>
SPDX-FileCopyrightText: 1997-2002 Cristian Tibirna <tibirna@kde.org>
SPDX-FileCopyrightText: 2003 Lubos Lunak <l.lunak@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
// KWin
#include "options.h"
// Qt
#include <QList>
#include <QPoint>
#include <QRect>
namespace KWin
{
class VirtualDesktop;
class Window;
class KWIN_EXPORT Placement
{
public:
explicit Placement();
bool place(Window *c, const QRectF &area);
bool placeSmart(Window *c, const QRectF &area, PlacementPolicy next = PlacementUnknown);
bool placeCentered(Window *c, const QRectF &area, PlacementPolicy next = PlacementUnknown);
void reinitCascading();
void reinitCascading(VirtualDesktop *desktop);
QRectF cascadeIfCovering(Window *c, const QRectF &geometry, const QRectF &area) const;
/**
* Cascades all clients on the current desktop
*/
void cascadeDesktop();
/**
* Unclutters the current desktop by smart-placing all clients again.
*/
void unclutterDesktop();
static const char *policyToString(PlacementPolicy policy);
private:
bool place(Window *c, const QRectF &area, PlacementPolicy policy, PlacementPolicy nextPlacement = PlacementUnknown);
bool placeUnderMouse(Window *c, const QRect &area, PlacementPolicy next = PlacementUnknown);
bool placeOnMainWindow(Window *c, const QRect &area, PlacementPolicy next = PlacementUnknown);
bool placeTransient(Window *c);
bool placeAtRandom(Window *c, const QRect &area, PlacementPolicy next = PlacementUnknown);
bool placeCascaded(Window *c, const QRect &area, PlacementPolicy next = PlacementUnknown);
bool placeMaximizing(Window *c, const QRect &area, PlacementPolicy next = PlacementUnknown);
bool placeZeroCornered(Window *c, const QRect &area, PlacementPolicy next = PlacementUnknown);
bool placeDialog(Window *c, const QRect &area, PlacementPolicy next = PlacementUnknown);
bool placeUtility(Window *c, const QRect &area, PlacementPolicy next = PlacementUnknown);
bool placeOnScreenDisplay(Window *c, const QRect &area);
// CT needed for cascading+
struct DesktopCascadingInfo
{
QPoint pos;
int col;
int row;
};
QHash<VirtualDesktop *, DesktopCascadingInfo> cci;
};
} // namespace