kwin/unmanaged.cpp
Vlad Zahorodnii 9236254d5c Schedule a repaint when a window is damaged
Currently, if an X11 or Wayland window is damaged, we will schedule a
repaint. This results in some code duplication that this change intends
to get rid of.
2020-12-02 15:33:08 +00:00

193 lines
5.3 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2006 Lubos Lunak <l.lunak@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "unmanaged.h"
#include "workspace.h"
#include "effects.h"
#include "deleted.h"
#include "utils.h"
#include "xcbutils.h"
#include <QTimer>
#include <QDebug>
#include <QWindow>
#include <xcb/shape.h>
namespace KWin
{
// window types that are supported as unmanaged (mainly for compositing)
const NET::WindowTypes SUPPORTED_UNMANAGED_WINDOW_TYPES_MASK = NET::NormalMask | NET::DesktopMask | NET::DockMask
| NET::ToolbarMask | NET::MenuMask | NET::DialogMask /*| NET::OverrideMask*/ | NET::TopMenuMask
| NET::UtilityMask | NET::SplashMask | NET::DropdownMenuMask | NET::PopupMenuMask
| NET::TooltipMask | NET::NotificationMask | NET::ComboBoxMask | NET::DNDIconMask | NET::OnScreenDisplayMask
| NET::CriticalNotificationMask;
Unmanaged::Unmanaged()
: Toplevel()
{
QTimer::singleShot(50, this, &Unmanaged::setReadyForPainting);
}
Unmanaged::~Unmanaged()
{
}
bool Unmanaged::track(xcb_window_t w)
{
XServerGrabber xserverGrabber;
Xcb::WindowAttributes attr(w);
Xcb::WindowGeometry geo(w);
if (attr.isNull() || attr->map_state != XCB_MAP_STATE_VIEWABLE) {
return false;
}
if (attr->_class == XCB_WINDOW_CLASS_INPUT_ONLY) {
return false;
}
if (geo.isNull()) {
return false;
}
setWindowHandles(w); // the window is also the frame
Xcb::selectInput(w, attr->your_event_mask | XCB_EVENT_MASK_STRUCTURE_NOTIFY | XCB_EVENT_MASK_PROPERTY_CHANGE);
m_frameGeometry = geo.rect();
m_clientGeometry = geo.rect();
checkScreen();
m_visual = attr->visual;
bit_depth = geo->depth;
info = new NETWinInfo(connection(), w, rootWindow(),
NET::WMWindowType | NET::WMPid,
NET::WM2Opacity |
NET::WM2WindowRole |
NET::WM2WindowClass |
NET::WM2OpaqueRegion);
getResourceClass();
getWmClientLeader();
getWmClientMachine();
if (Xcb::Extensions::self()->isShapeAvailable())
xcb_shape_select_input(connection(), w, true);
detectShape(w);
getWmOpaqueRegion();
getSkipCloseAnimation();
setupCompositing();
if (QWindow *internalWindow = findInternalWindow()) {
m_outline = internalWindow->property("__kwin_outline").toBool();
}
if (effects)
static_cast<EffectsHandlerImpl*>(effects)->checkInputWindowStacking();
return true;
}
void Unmanaged::release(ReleaseReason releaseReason)
{
addWorkspaceRepaint(visibleRect());
Deleted* del = nullptr;
if (releaseReason != ReleaseReason::KWinShutsDown) {
del = Deleted::create(this);
}
emit windowClosed(this, del);
finishCompositing(releaseReason);
if (!QWidget::find(window()) && releaseReason != ReleaseReason::Destroyed) { // don't affect our own windows
if (Xcb::Extensions::self()->isShapeAvailable())
xcb_shape_select_input(connection(), window(), false);
Xcb::selectInput(window(), XCB_EVENT_MASK_NO_EVENT);
}
workspace()->removeUnmanaged(this);
if (releaseReason != ReleaseReason::KWinShutsDown) {
disownDataPassedToDeleted();
del->unrefWindow();
}
deleteUnmanaged(this);
}
void Unmanaged::deleteUnmanaged(Unmanaged* c)
{
delete c;
}
bool Unmanaged::hasScheduledRelease() const
{
return m_scheduledRelease;
}
QRect Unmanaged::bufferGeometry() const
{
return m_frameGeometry;
}
int Unmanaged::desktop() const
{
return NET::OnAllDesktops; // TODO for some window types should be the current desktop?
}
QStringList Unmanaged::activities() const
{
return QStringList();
}
QVector<VirtualDesktop *> Unmanaged::desktops() const
{
return QVector<VirtualDesktop *>();
}
QPoint Unmanaged::clientPos() const
{
return QPoint(0, 0); // unmanaged windows don't have decorations
}
QRect Unmanaged::transparentRect() const
{
return QRect(clientPos(), clientSize());
}
NET::WindowType Unmanaged::windowType(bool direct, int supportedTypes) const
{
// for unmanaged windows the direct does not make any difference
// as there are no rules to check and no hacks to apply
Q_UNUSED(direct)
if (supportedTypes == 0) {
supportedTypes = SUPPORTED_UNMANAGED_WINDOW_TYPES_MASK;
}
return info->windowType(NET::WindowTypes(supportedTypes));
}
bool Unmanaged::isOutline() const
{
return m_outline;
}
QWindow *Unmanaged::findInternalWindow() const
{
const QWindowList windows = kwinApp()->topLevelWindows();
for (QWindow *w : windows) {
if (w->winId() == window()) {
return w;
}
}
return nullptr;
}
bool Unmanaged::setupCompositing()
{
if (!Toplevel::setupCompositing()) {
return false;
}
// With unmanaged windows there is a race condition between the client painting the window
// and us setting up damage tracking. If the client wins we won't get a damage event even
// though the window has been painted. To avoid this we mark the whole window as damaged
// and schedule a repaint immediately after creating the damage object.
addDamageFull();
return true;
}
} // namespace