kwin/netinfo.cpp

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>
Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
// own
#include "netinfo.h"
// kwin
#include "client.h"
#include "rootinfo_filter.h"
#include "virtualdesktops.h"
#include "workspace.h"
// Qt
#include <QDebug>
namespace KWin
{
extern int screen_number;
RootInfo *RootInfo::s_self = nullptr;
RootInfo *RootInfo::create()
{
Q_ASSERT(!s_self);
xcb_window_t supportWindow = xcb_generate_id(connection());
const uint32_t values[] = {true};
xcb_create_window(connection(), XCB_COPY_FROM_PARENT, supportWindow, KWin::rootWindow(),
0, 0, 1, 1, 0, XCB_COPY_FROM_PARENT,
XCB_COPY_FROM_PARENT, XCB_CW_OVERRIDE_REDIRECT, values);
const uint32_t lowerValues[] = { XCB_STACK_MODE_BELOW }; // See usage in layers.cpp
// we need to do the lower window with a roundtrip, otherwise NETRootInfo is not functioning
ScopedCPointer<xcb_generic_error_t> error(xcb_request_check(connection(),
xcb_configure_window_checked(connection(), supportWindow, XCB_CONFIG_WINDOW_STACK_MODE, lowerValues)));
if (!error.isNull()) {
qCDebug(KWIN_CORE) << "Error occurred while lowering support window: " << error->error_code;
}
const NET::Properties properties = NET::Supported |
NET::SupportingWMCheck |
NET::ClientList |
NET::ClientListStacking |
NET::DesktopGeometry |
NET::NumberOfDesktops |
NET::CurrentDesktop |
NET::ActiveWindow |
NET::WorkArea |
NET::CloseWindow |
NET::DesktopNames |
NET::WMName |
NET::WMVisibleName |
NET::WMDesktop |
NET::WMWindowType |
NET::WMState |
NET::WMStrut |
NET::WMIconGeometry |
NET::WMIcon |
NET::WMPid |
NET::WMMoveResize |
NET::WMFrameExtents |
NET::WMPing;
const NET::WindowTypes types = NET::NormalMask |
NET::DesktopMask |
NET::DockMask |
NET::ToolbarMask |
NET::MenuMask |
NET::DialogMask |
NET::OverrideMask |
NET::UtilityMask |
NET::SplashMask; // No compositing window types here unless we support them also as managed window types
const NET::States states = NET::Modal |
//NET::Sticky | // Large desktops not supported (and probably never will be)
NET::MaxVert |
NET::MaxHoriz |
NET::Shaded |
NET::SkipTaskbar |
NET::KeepAbove |
//NET::StaysOnTop | // The same like KeepAbove
NET::SkipPager |
NET::Hidden |
NET::FullScreen |
NET::KeepBelow |
NET::DemandsAttention |
NET::SkipSwitcher |
NET::Focused;
NET::Properties2 properties2 = NET::WM2UserTime |
NET::WM2StartupId |
NET::WM2AllowedActions |
NET::WM2RestackWindow |
NET::WM2MoveResizeWindow |
NET::WM2ExtendedStrut |
NET::WM2KDETemporaryRules |
NET::WM2ShowingDesktop |
NET::WM2DesktopLayout |
NET::WM2FullPlacement |
NET::WM2FullscreenMonitors |
NET::WM2KDEShadow |
NET::WM2OpaqueRegion;
#ifdef KWIN_BUILD_ACTIVITIES
properties2 |= NET::WM2Activities;
#endif
const NET::Actions actions = NET::ActionMove |
NET::ActionResize |
NET::ActionMinimize |
NET::ActionShade |
//NET::ActionStick | // Sticky state is not supported
NET::ActionMaxVert |
NET::ActionMaxHoriz |
NET::ActionFullScreen |
NET::ActionChangeDesktop |
NET::ActionClose;
s_self = new RootInfo(supportWindow, "KWin", properties, types, states, properties2, actions, screen_number);
return s_self;
}
void RootInfo::destroy()
{
if (!s_self) {
return;
}
xcb_window_t supportWindow = s_self->supportWindow();
delete s_self;
s_self = nullptr;
xcb_destroy_window(connection(), supportWindow);
}
RootInfo::RootInfo(xcb_window_t w, const char *name, NET::Properties properties, NET::WindowTypes types,
NET::States states, NET::Properties2 properties2, NET::Actions actions, int scr)
: NETRootInfo(connection(), w, name, properties, types, states, properties2, actions, scr)
, m_activeWindow(activeWindow())
, m_eventFilter(std::make_unique<RootInfoFilter>(this))
{
}
void RootInfo::changeNumberOfDesktops(int n)
{
VirtualDesktopManager::self()->setCount(n);
}
void RootInfo::changeCurrentDesktop(int d)
{
VirtualDesktopManager::self()->setCurrent(d);
}
void RootInfo::changeActiveWindow(xcb_window_t w, NET::RequestSource src, xcb_timestamp_t timestamp, xcb_window_t active_window)
{
Workspace *workspace = Workspace::self();
if (Client* c = workspace->findClient(Predicate::WindowMatch, w)) {
if (timestamp == XCB_CURRENT_TIME)
timestamp = c->userTime();
if (src != NET::FromApplication && src != FromTool)
src = NET::FromTool;
if (src == NET::FromTool)
workspace->activateClient(c, true); // force
else if (c == workspace->mostRecentlyActivatedClient()) {
return; // WORKAROUND? With > 1 plasma activities, we cause this ourselves. bug #240673
} else { // NET::FromApplication
Client* c2;
if (workspace->allowClientActivation(c, timestamp, false, true))
workspace->activateClient(c);
// if activation of the requestor's window would be allowed, allow activation too
else if (active_window != XCB_WINDOW_NONE
&& (c2 = workspace->findClient(Predicate::WindowMatch, active_window)) != nullptr
&& workspace->allowClientActivation(c2,
timestampCompare(timestamp, c2->userTime() > 0 ? timestamp : c2->userTime()), false, true)) {
workspace->activateClient(c);
} else
c->demandAttention();
}
}
}
void RootInfo::restackWindow(xcb_window_t w, RequestSource src, xcb_window_t above, int detail, xcb_timestamp_t timestamp)
{
if (Client* c = Workspace::self()->findClient(Predicate::WindowMatch, w)) {
if (timestamp == XCB_CURRENT_TIME)
timestamp = c->userTime();
if (src != NET::FromApplication && src != FromTool)
src = NET::FromTool;
c->restackWindow(above, detail, src, timestamp, true);
}
}
void RootInfo::closeWindow(xcb_window_t w)
{
Client* c = Workspace::self()->findClient(Predicate::WindowMatch, w);
if (c)
c->closeWindow();
}
void RootInfo::moveResize(xcb_window_t w, int x_root, int y_root, unsigned long direction)
{
Client* c = Workspace::self()->findClient(Predicate::WindowMatch, w);
if (c) {
updateXTime(); // otherwise grabbing may have old timestamp - this message should include timestamp
c->NETMoveResize(x_root, y_root, (Direction)direction);
}
}
void RootInfo::moveResizeWindow(xcb_window_t w, int flags, int x, int y, int width, int height)
{
Client* c = Workspace::self()->findClient(Predicate::WindowMatch, w);
if (c)
c->NETMoveResizeWindow(flags, x, y, width, height);
}
void RootInfo::gotPing(xcb_window_t w, xcb_timestamp_t timestamp)
{
if (Client* c = Workspace::self()->findClient(Predicate::WindowMatch, w))
c->gotPing(timestamp);
}
void RootInfo::changeShowingDesktop(bool showing)
{
Workspace::self()->setShowingDesktop(showing);
}
void RootInfo::setActiveClient(AbstractClient *client)
{
const xcb_window_t w = client ? client->window() : xcb_window_t{XCB_WINDOW_NONE};
if (m_activeWindow == w) {
return;
}
m_activeWindow = w;
setActiveWindow(m_activeWindow);
}
// ****************************************
// WinInfo
// ****************************************
WinInfo::WinInfo(Client * c, xcb_window_t window,
xcb_window_t rwin, NET::Properties properties, NET::Properties2 properties2)
: NETWinInfo(connection(), window, rwin, properties, properties2, NET::WindowManager), m_client(c)
{
}
void WinInfo::changeDesktop(int desktop)
{
Workspace::self()->sendClientToDesktop(m_client, desktop, true);
}
void WinInfo::changeFullscreenMonitors(NETFullscreenMonitors topology)
{
m_client->updateFullscreenMonitors(topology);
}
void WinInfo::changeState(NET::States state, NET::States mask)
{
mask &= ~NET::Sticky; // KWin doesn't support large desktops, ignore
mask &= ~NET::Hidden; // clients are not allowed to change this directly
state &= mask; // for safety, clear all other bits
if ((mask & NET::FullScreen) != 0 && (state & NET::FullScreen) == 0)
m_client->setFullScreen(false, false);
if ((mask & NET::Max) == NET::Max)
m_client->setMaximize(state & NET::MaxVert, state & NET::MaxHoriz);
else if (mask & NET::MaxVert)
m_client->setMaximize(state & NET::MaxVert, m_client->maximizeMode() & MaximizeHorizontal);
else if (mask & NET::MaxHoriz)
m_client->setMaximize(m_client->maximizeMode() & MaximizeVertical, state & NET::MaxHoriz);
if (mask & NET::Shaded)
m_client->setShade(state & NET::Shaded ? ShadeNormal : ShadeNone);
if (mask & NET::KeepAbove)
m_client->setKeepAbove((state & NET::KeepAbove) != 0);
if (mask & NET::KeepBelow)
m_client->setKeepBelow((state & NET::KeepBelow) != 0);
if (mask & NET::SkipTaskbar)
m_client->setOriginalSkipTaskbar((state & NET::SkipTaskbar) != 0);
if (mask & NET::SkipPager)
m_client->setSkipPager((state & NET::SkipPager) != 0);
if (mask & NET::SkipSwitcher)
m_client->setSkipSwitcher((state & NET::SkipSwitcher) != 0);
if (mask & NET::DemandsAttention)
m_client->demandAttention((state & NET::DemandsAttention) != 0);
if (mask & NET::Modal)
m_client->setModal((state & NET::Modal) != 0);
// unsetting fullscreen first, setting it last (because e.g. maximize works only for !isFullScreen() )
if ((mask & NET::FullScreen) != 0 && (state & NET::FullScreen) != 0)
m_client->setFullScreen(true, false);
}
void WinInfo::disable()
{
m_client = nullptr; // only used when the object is passed to Deleted
}
} // namespace