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[wayland] Add support for initial output count for nested compositors

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Added to x11 backend which creates one window per output.

New command line option is called --output-count=<int>.
This commit is contained in:
Martin Gräßlin 2015-11-24 13:11:29 +01:00
parent 1e3013b58c
commit 56bd1e7194
3 changed files with 72 additions and 45 deletions
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7
abstract_backend.h
View file

@ -107,6 +107,12 @@ public:
void setOutputsEnabled(bool enabled) {
m_outputsEnabled = enabled;
}
int initialOutputCount() const {
return m_initialOutputCount;
}
void setInitialOutputCount(int count) {
m_initialOutputCount = count;
}
public Q_SLOTS:
void pointerMotion(const QPointF &position, quint32 time);
@ -170,6 +176,7 @@ private:
QByteArray m_deviceIdentifier;
bool m_pointerWarping = false;
bool m_outputsEnabled = true;
int m_initialOutputCount = 1;
};
}

92
backends/x11/x11windowed_backend.cpp
View file

@ -106,55 +106,57 @@ void X11WindowedBackend::createWindow()
{
Xcb::Atom protocolsAtom(QByteArrayLiteral("WM_PROTOCOLS"), false, m_connection);
Xcb::Atom deleteWindowAtom(QByteArrayLiteral("WM_DELETE_WINDOW"), false, m_connection);
Output o;
o.window = xcb_generate_id(m_connection);
uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
const uint32_t values[] = {
m_screen->black_pixel,
XCB_EVENT_MASK_KEY_PRESS |
XCB_EVENT_MASK_KEY_RELEASE |
XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE |
XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_ENTER_WINDOW |
XCB_EVENT_MASK_LEAVE_WINDOW |
XCB_EVENT_MASK_STRUCTURE_NOTIFY |
XCB_EVENT_MASK_EXPOSURE
};
o.size = initialWindowSize();
if (!m_windows.isEmpty()) {
const auto &p = m_windows.last();
o.internalPosition = QPoint(p.internalPosition.x() + p.size.width(), 0);
}
xcb_create_window(m_connection, XCB_COPY_FROM_PARENT, o.window, m_screen->root,
0, 0, o.size.width(), o.size.height(),
0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT, mask, values);
o.winInfo = new NETWinInfo(m_connection, o.window, m_screen->root, NET::WMWindowType, NET::Properties2());
o.winInfo->setWindowType(NET::Normal);
o.winInfo->setPid(QCoreApplication::applicationPid());
QIcon windowIcon = QIcon::fromTheme(QStringLiteral("kwin"));
auto addIcon = [&o, &windowIcon] (const QSize &size) {
if (windowIcon.actualSize(size) != size) {
return;
for (int i = 0; i < initialOutputCount(); ++i) {
Output o;
o.window = xcb_generate_id(m_connection);
uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
const uint32_t values[] = {
m_screen->black_pixel,
XCB_EVENT_MASK_KEY_PRESS |
XCB_EVENT_MASK_KEY_RELEASE |
XCB_EVENT_MASK_BUTTON_PRESS |
XCB_EVENT_MASK_BUTTON_RELEASE |
XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_ENTER_WINDOW |
XCB_EVENT_MASK_LEAVE_WINDOW |
XCB_EVENT_MASK_STRUCTURE_NOTIFY |
XCB_EVENT_MASK_EXPOSURE
};
o.size = initialWindowSize();
if (!m_windows.isEmpty()) {
const auto &p = m_windows.last();
o.internalPosition = QPoint(p.internalPosition.x() + p.size.width(), 0);
}
NETIcon icon;
icon.data = windowIcon.pixmap(size).toImage().bits();
icon.size.width = size.width();
icon.size.height = size.height();
o.winInfo->setIcon(icon, false);
};
addIcon(QSize(16, 16));
addIcon(QSize(32, 32));
addIcon(QSize(48, 48));
xcb_create_window(m_connection, XCB_COPY_FROM_PARENT, o.window, m_screen->root,
0, 0, o.size.width(), o.size.height(),
0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT, mask, values);
xcb_map_window(m_connection, o.window);
o.winInfo = new NETWinInfo(m_connection, o.window, m_screen->root, NET::WMWindowType, NET::Properties2());
o.winInfo->setWindowType(NET::Normal);
o.winInfo->setPid(QCoreApplication::applicationPid());
QIcon windowIcon = QIcon::fromTheme(QStringLiteral("kwin"));
auto addIcon = [&o, &windowIcon] (const QSize &size) {
if (windowIcon.actualSize(size) != size) {
return;
}
NETIcon icon;
icon.data = windowIcon.pixmap(size).toImage().bits();
icon.size.width = size.width();
icon.size.height = size.height();
o.winInfo->setIcon(icon, false);
};
addIcon(QSize(16, 16));
addIcon(QSize(32, 32));
addIcon(QSize(48, 48));
m_protocols = protocolsAtom;
m_deleteWindowProtocol = deleteWindowAtom;
xcb_change_property(m_connection, XCB_PROP_MODE_REPLACE, o.window, m_protocols, XCB_ATOM_ATOM, 32, 1, &m_deleteWindowProtocol);
xcb_map_window(m_connection, o.window);
m_windows << o;
m_protocols = protocolsAtom;
m_deleteWindowProtocol = deleteWindowAtom;
xcb_change_property(m_connection, XCB_PROP_MODE_REPLACE, o.window, m_protocols, XCB_ATOM_ATOM, 32, 1, &m_deleteWindowProtocol);
m_windows << o;
}
updateWindowTitle();

18
main_wayland.cpp
View file

@ -426,6 +426,7 @@ int main(int argc, char * argv[])
};
const bool hasWindowedOption = hasPlugin(KWin::s_x11Plugin) || hasPlugin(KWin::s_waylandPlugin);
const bool hasSizeOption = hasPlugin(KWin::s_x11Plugin) || hasPlugin(KWin::s_virtualPlugin);
const bool hasOutputCountOption = hasPlugin(KWin::s_x11Plugin);
const bool hasX11Option = hasPlugin(KWin::s_x11Plugin);
const bool hasVirtualOption = hasPlugin(KWin::s_virtualPlugin);
const bool hasWaylandOption = hasPlugin(KWin::s_waylandPlugin);
@ -465,6 +466,10 @@ int main(int argc, char * argv[])
i18n("The height for windowed mode. Default height is 768."),
QStringLiteral("height"));
heightOption.setDefaultValue(QString::number(768));
QCommandLineOption outputCountOption(QStringLiteral("output-count"),
i18n("The number of windows to open as outputs in windowed mode. Default value is 1"),
QStringLiteral("height"));
outputCountOption.setDefaultValue(QString::number(1));
QCommandLineParser parser;
a.setupCommandLine(&parser);
@ -490,6 +495,9 @@ int main(int argc, char * argv[])
parser.addOption(widthOption);
parser.addOption(heightOption);
}
if (hasOutputCountOption) {
parser.addOption(outputCountOption);
}
#if HAVE_LIBHYBRIS
QCommandLineOption hwcomposerOption(QStringLiteral("hwcomposer"), i18n("Use libhybris hwcomposer"));
if (hasHwcomposerOption) {
@ -551,6 +559,7 @@ int main(int argc, char * argv[])
QString pluginName;
QSize initialWindowSize;
QByteArray deviceIdentifier;
int outputCount = 1;
#if HAVE_DRM
if (hasDrmOption && parser.isSet(drmOption)) {
@ -573,6 +582,14 @@ int main(int argc, char * argv[])
initialWindowSize = QSize(width, height);
}
if (hasOutputCountOption) {
bool ok = false;
const int count = parser.value(outputCountOption).toInt(&ok);
if (ok) {
outputCount = qMax(1, count);
}
}
if (hasWindowedOption && parser.isSet(windowedOption)) {
if (hasX11Option && parser.isSet(x11DisplayOption)) {
deviceIdentifier = parser.value(x11DisplayOption).toUtf8();
@ -655,6 +672,7 @@ int main(int argc, char * argv[])
if (initialWindowSize.isValid()) {
server->backend()->setInitialWindowSize(initialWindowSize);
}
server->backend()->setInitialOutputCount(outputCount);
QObject::connect(&a, &KWin::Application::workspaceCreated, server, &KWin::WaylandServer::initWorkspace);
environment.insert(QStringLiteral("WAYLAND_DISPLAY"), server->display()->socketName());