133 lines
3.5 KiB
C++
133 lines
3.5 KiB
C++
/*
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
SPDX-FileCopyrightText: 2011 Arthur Arlt <a.arlt@stud.uni-heidelberg.de>
|
|
SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
|
|
|
|
Since the functionality provided in this class has been moved from
|
|
class Workspace, it is not clear who exactly has written the code.
|
|
The list below contains the copyright holders of the class Workspace.
|
|
|
|
SPDX-FileCopyrightText: 1999, 2000 Matthias Ettrich <ettrich@kde.org>
|
|
SPDX-FileCopyrightText: 2003 Lubos Lunak <l.lunak@kde.org>
|
|
SPDX-FileCopyrightText: 2009 Lucas Murray <lmurray@undefinedfire.com>
|
|
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
#include "edge.h"
|
|
#include "atoms.h"
|
|
#include "cursor.h"
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
WindowBasedEdge::WindowBasedEdge(ScreenEdges *parent)
|
|
: Edge(parent)
|
|
, m_window(XCB_WINDOW_NONE)
|
|
, m_approachWindow(XCB_WINDOW_NONE)
|
|
{
|
|
}
|
|
|
|
WindowBasedEdge::~WindowBasedEdge()
|
|
{
|
|
}
|
|
|
|
void WindowBasedEdge::doActivate()
|
|
{
|
|
createWindow();
|
|
createApproachWindow();
|
|
doUpdateBlocking();
|
|
}
|
|
|
|
void WindowBasedEdge::doDeactivate()
|
|
{
|
|
m_window.reset();
|
|
m_approachWindow.reset();
|
|
}
|
|
|
|
void WindowBasedEdge::createWindow()
|
|
{
|
|
if (m_window.isValid()) {
|
|
return;
|
|
}
|
|
const uint32_t mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
|
|
const uint32_t values[] = {
|
|
true,
|
|
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_POINTER_MOTION
|
|
};
|
|
m_window.create(geometry(), XCB_WINDOW_CLASS_INPUT_ONLY, mask, values);
|
|
m_window.map();
|
|
// Set XdndAware on the windows, so that DND enter events are received (#86998)
|
|
xcb_atom_t version = 4; // XDND version
|
|
xcb_change_property(connection(), XCB_PROP_MODE_REPLACE, m_window,
|
|
atoms->xdnd_aware, XCB_ATOM_ATOM, 32, 1, (unsigned char*)(&version));
|
|
}
|
|
|
|
void WindowBasedEdge::createApproachWindow()
|
|
{
|
|
if (!activatesForPointer()) {
|
|
return;
|
|
}
|
|
if (m_approachWindow.isValid()) {
|
|
return;
|
|
}
|
|
if (!approachGeometry().isValid()) {
|
|
return;
|
|
}
|
|
const uint32_t mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
|
|
const uint32_t values[] = {
|
|
true,
|
|
XCB_EVENT_MASK_ENTER_WINDOW | XCB_EVENT_MASK_LEAVE_WINDOW | XCB_EVENT_MASK_POINTER_MOTION
|
|
};
|
|
m_approachWindow.create(approachGeometry(), XCB_WINDOW_CLASS_INPUT_ONLY, mask, values);
|
|
m_approachWindow.map();
|
|
}
|
|
|
|
void WindowBasedEdge::doGeometryUpdate()
|
|
{
|
|
m_window.setGeometry(geometry());
|
|
if (m_approachWindow.isValid()) {
|
|
m_approachWindow.setGeometry(approachGeometry());
|
|
}
|
|
}
|
|
|
|
void WindowBasedEdge::doStartApproaching()
|
|
{
|
|
if (!activatesForPointer()) {
|
|
return;
|
|
}
|
|
m_approachWindow.unmap();
|
|
Cursor *cursor = Cursors::self()->mouse();
|
|
#ifndef KWIN_UNIT_TEST
|
|
m_cursorPollingConnection = connect(cursor, &Cursor::posChanged, this, &WindowBasedEdge::updateApproaching);
|
|
#endif
|
|
cursor->startMousePolling();
|
|
}
|
|
|
|
void WindowBasedEdge::doStopApproaching()
|
|
{
|
|
if (!m_cursorPollingConnection) {
|
|
return;
|
|
}
|
|
disconnect(m_cursorPollingConnection);
|
|
m_cursorPollingConnection = QMetaObject::Connection();
|
|
Cursors::self()->mouse()->stopMousePolling();
|
|
m_approachWindow.map();
|
|
}
|
|
|
|
void WindowBasedEdge::doUpdateBlocking()
|
|
{
|
|
if (!isReserved()) {
|
|
return;
|
|
}
|
|
if (isBlocked()) {
|
|
m_window.unmap();
|
|
m_approachWindow.unmap();
|
|
} else {
|
|
m_window.map();
|
|
m_approachWindow.map();
|
|
}
|
|
}
|
|
|
|
}
|