Port from XLib XSync to xcb sync
Martin Gräßlin
parent
d164e16b56
commit
94e4a31370
74
client.cpp
74
client.cpp
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@ -54,10 +54,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <QScriptProgram>
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#endif
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#include <QWhatsThis>
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// X
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#ifdef HAVE_XSYNC
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#include <X11/extensions/sync.h>
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#endif
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// system
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#include <unistd.h>
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#include <signal.h>
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@ -142,11 +138,9 @@ Client::Client()
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, m_decoInputExtent()
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{
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// TODO: Do all as initialization
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#ifdef HAVE_XSYNC
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syncRequest.counter = syncRequest.alarm = None;
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syncRequest.counter = syncRequest.alarm = XCB_NONE;
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syncRequest.timeout = syncRequest.failsafeTimeout = NULL;
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syncRequest.isPending = false;
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#endif
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// Set the initial mapping state
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mapping_state = Withdrawn;
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@ -227,10 +221,8 @@ Client::~Client()
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m_killHelperPID = 0;
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}
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//SWrapper::Client::clientRelease(this);
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#ifdef HAVE_XSYNC
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if (syncRequest.alarm != None)
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XSyncDestroyAlarm(display(), syncRequest.alarm);
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#endif
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if (syncRequest.alarm != XCB_NONE)
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xcb_sync_destroy_alarm(connection(), syncRequest.alarm);
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assert(!moveResizeMode);
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assert(m_client == XCB_WINDOW_NONE);
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assert(m_wrapper == XCB_WINDOW_NONE);
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@ -2107,7 +2099,6 @@ void Client::getWindowProtocols()
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void Client::getSyncCounter()
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{
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#ifdef HAVE_XSYNC
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if (!Xcb::Extensions::self()->isSyncAvailable())
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return;
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@ -2121,26 +2112,31 @@ void Client::getSyncCounter()
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if (ret == Success && formatRet == 32) {
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syncRequest.counter = *(long*)(propRet);
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XSyncIntToValue(&syncRequest.value, 0);
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XSyncValue zero;
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XSyncIntToValue(&zero, 0);
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XSyncSetCounter(display(), syncRequest.counter, zero);
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if (syncRequest.alarm == None) {
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XSyncAlarmAttributes attrs;
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attrs.trigger.counter = syncRequest.counter;
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attrs.trigger.value_type = XSyncRelative;
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attrs.trigger.test_type = XSyncPositiveTransition;
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XSyncIntToValue(&attrs.trigger.wait_value, 1);
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XSyncIntToValue(&attrs.delta, 1);
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syncRequest.alarm = XSyncCreateAlarm(display(),
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XSyncCACounter | XSyncCAValueType | XSyncCATestType | XSyncCADelta | XSyncCAValue,
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&attrs);
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syncRequest.value.hi = 0;
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syncRequest.value.lo = 0;
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xcb_sync_int64_t zero;
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zero.hi = 0;
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zero.lo = 0;
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auto *c = connection();
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xcb_sync_set_counter(c, syncRequest.counter, zero);
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if (syncRequest.alarm == XCB_NONE) {
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const uint32_t mask = XCB_SYNC_CA_COUNTER | XCB_SYNC_CA_VALUE_TYPE | XCB_SYNC_CA_VALUE | XCB_SYNC_CA_TEST_TYPE | XCB_SYNC_CA_DELTA ;
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const uint32_t values[] = {
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syncRequest.counter,
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XCB_SYNC_VALUETYPE_RELATIVE,
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0,
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1,
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XCB_SYNC_TESTTYPE_POSITIVE_TRANSITION,
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0,
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1
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};
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syncRequest.alarm = xcb_generate_id(c);
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xcb_sync_create_alarm(c, syncRequest.alarm, mask, values);
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}
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}
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if (ret == Success)
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XFree(propRet);
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#endif
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}
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/**
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@ -2148,8 +2144,7 @@ void Client::getSyncCounter()
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*/
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void Client::sendSyncRequest()
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{
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#ifdef HAVE_XSYNC
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if (syncRequest.counter == None || syncRequest.isPending)
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if (syncRequest.counter == XCB_NONE || syncRequest.isPending)
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return; // do NOT, NEVER send a sync request when there's one on the stack. the clients will just stop respoding. FOREVER! ...
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if (!syncRequest.failsafeTimeout) {
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@ -2164,11 +2159,11 @@ void Client::sendSyncRequest()
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// We increment before the notify so that after the notify
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// syncCounterSerial will equal the value we are expecting
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// in the acknowledgement
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int overflow;
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XSyncValue one;
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XSyncIntToValue(&one, 1);
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#undef XSyncValueAdd // It causes a warning :-/
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XSyncValueAdd(&syncRequest.value, syncRequest.value, one, &overflow);
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const uint32_t oldLo = syncRequest.value.lo;
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syncRequest.value.lo++;;
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if (oldLo > syncRequest.value.lo) {
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syncRequest.value.hi++;
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}
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// Send the message to client
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XEvent ev;
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@ -2178,13 +2173,12 @@ void Client::sendSyncRequest()
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ev.xclient.message_type = atoms->wm_protocols;
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ev.xclient.data.l[0] = atoms->net_wm_sync_request;
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ev.xclient.data.l[1] = xTime();
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ev.xclient.data.l[2] = XSyncValueLow32(syncRequest.value);
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ev.xclient.data.l[3] = XSyncValueHigh32(syncRequest.value);
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ev.xclient.data.l[2] = syncRequest.value.lo;
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ev.xclient.data.l[3] = syncRequest.value.hi;
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ev.xclient.data.l[4] = 0;
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syncRequest.isPending = true;
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XSendEvent(display(), window(), False, NoEventMask, &ev);
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XSync(display(), false);
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#endif
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Xcb::sync();
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}
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void Client::removeSyncSupport()
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@ -2193,12 +2187,10 @@ void Client::removeSyncSupport()
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setReadyForPainting();
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return;
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}
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#ifdef HAVE_XSYNC
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syncRequest.isPending = false;
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syncRequest.counter = syncRequest.alarm = None;
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syncRequest.counter = syncRequest.alarm = XCB_NONE;
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delete syncRequest.timeout; delete syncRequest.failsafeTimeout;
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syncRequest.timeout = syncRequest.failsafeTimeout = NULL;
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#endif
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}
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bool Client::wantsTabFocus() const
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14
client.h
14
client.h
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@ -34,11 +34,9 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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// Qt
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#include <QPixmap>
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// X
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#ifdef HAVE_XSYNC
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#include <X11/extensions/sync.h>
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#endif
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#include <X11/Xutil.h>
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#include <fixx11h.h>
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#include <xcb/sync.h>
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// TODO: Cleanup the order of things in this .h file
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@ -316,9 +314,7 @@ public:
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bool windowEvent(xcb_generic_event_t *e);
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virtual bool eventFilter(QObject* o, QEvent* e);
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#ifdef HAVE_XSYNC
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void syncEvent(xcb_sync_alarm_notify_event_t* e);
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#endif
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NET::WindowType windowType(bool direct = false, int supported_types = 0) const;
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bool manage(xcb_window_t w, bool isMapped);
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@ -955,15 +951,13 @@ private:
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QRect geom_before_block;
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QRect deco_rect_before_block;
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bool shade_geometry_change;
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#ifdef HAVE_XSYNC
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struct {
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XSyncCounter counter;
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XSyncValue value;
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XSyncAlarm alarm;
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xcb_sync_counter_t counter;
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xcb_sync_int64_t value;
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xcb_sync_alarm_t alarm;
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QTimer *timeout, *failsafeTimeout;
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bool isPending;
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} syncRequest;
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#endif
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int border_left, border_right, border_top, border_bottom;
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int padding_left, padding_right, padding_top, padding_bottom;
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QRegion _mask;
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@ -882,7 +882,6 @@ bool Toplevel::compositing() const
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void Client::damageNotifyEvent()
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{
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#ifdef HAVE_XSYNC
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if (syncRequest.isPending && isResize()) {
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emit damaged(this, QRect());
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m_isDamaged = true;
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@ -890,13 +889,9 @@ void Client::damageNotifyEvent()
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}
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if (!ready_for_painting) { // avoid "setReadyForPainting()" function calling overhead
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if (syncRequest.counter == None) // cannot detect complete redraw, consider done now
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if (syncRequest.counter == XCB_NONE) // cannot detect complete redraw, consider done now
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setReadyForPainting();
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}
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#else
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if (!ready_for_painting)
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setReadyForPainting();
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#endif
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Toplevel::damageNotifyEvent();
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}
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@ -443,12 +443,10 @@ bool Workspace::workspaceEvent(xcb_generic_event_t *e)
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}
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} else if (eventType == Xcb::Extensions::self()->syncAlarmNotifyEvent() && Xcb::Extensions::self()->isSyncAvailable()) {
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#ifdef HAVE_XSYNC
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for (Client *c : clients)
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c->syncEvent(reinterpret_cast< xcb_sync_alarm_notify_event_t* >(e));
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for (Client *c : desktops)
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c->syncEvent(reinterpret_cast< xcb_sync_alarm_notify_event_t* >(e));
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#endif
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} else if (eventType == Xcb::Extensions::self()->fixesCursorNotifyEvent() && Xcb::Extensions::self()->isFixesAvailable()) {
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Cursor::self()->notifyCursorChanged(reinterpret_cast<xcb_xfixes_cursor_notify_event_t*>(e)->cursor_serial);
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}
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@ -1530,12 +1528,9 @@ void Client::keyPressEvent(uint key_code)
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Cursor::setPos(pos);
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}
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#ifdef HAVE_XSYNC
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void Client::syncEvent(xcb_sync_alarm_notify_event_t* e)
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{
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#warning port XSync to XCB
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#if KWIN_QT5_PORTING
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if (e->alarm == syncRequest.alarm && XSyncValueEqual(e->counter_value, syncRequest.value)) {
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if (e->alarm == syncRequest.alarm && e->counter_value.hi == syncRequest.value.hi && e->counter_value.lo == syncRequest.value.lo) {
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setReadyForPainting();
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syncRequest.isPending = false;
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if (syncRequest.failsafeTimeout)
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@ -1547,9 +1542,7 @@ void Client::syncEvent(xcb_sync_alarm_notify_event_t* e)
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} else // setReadyForPainting does as well, but there's a small chance for resize syncs after the resize ended
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addRepaintFull();
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}
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#endif
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}
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#endif
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// ****************************************
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// Unmanaged
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18
geometry.cpp
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geometry.cpp
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@ -1902,9 +1902,7 @@ void Client::setGeometry(int x, int y, int w, int h, ForceGeometry_t force)
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QSize cs = clientSize();
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XMoveResizeWindow(display(), wrapperId(), clientPos().x(), clientPos().y(),
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cs.width(), cs.height());
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#ifdef HAVE_XSYNC
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if (!isResize() || syncRequest.counter == None)
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#endif
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if (!isResize() || syncRequest.counter == XCB_NONE)
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XMoveResizeWindow(display(), window(), 0, 0, cs.width(), cs.height());
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// SELI - won't this be too expensive?
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// THOMAS - yes, but gtk+ clients will not resize without ...
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@ -2654,12 +2652,10 @@ void Client::leaveMoveResize()
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m_moveResizeGrabWindow.reset();
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workspace()->setClientIsMoving(0);
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moveResizeMode = false;
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#ifdef HAVE_XSYNC
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if (syncRequest.counter == None) // don't forget to sanitize since the timeout will no more fire
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if (syncRequest.counter == XCB_NONE) // don't forget to sanitize since the timeout will no more fire
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syncRequest.isPending = false;
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delete syncRequest.timeout;
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syncRequest.timeout = NULL;
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#endif
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#ifdef KWIN_BUILD_SCREENEDGES
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if (ScreenEdges::self()->isDesktopSwitchingMovingClients())
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ScreenEdges::self()->reserveDesktopSwitching(false, Qt::Vertical|Qt::Horizontal);
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@ -2738,10 +2734,8 @@ void Client::delayedMoveResize()
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void Client::handleMoveResize(int x, int y, int x_root, int y_root)
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{
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#ifdef HAVE_XSYNC
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if (syncRequest.isPending && isResize())
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return; // we're still waiting for the client or the timeout
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#endif
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if ((mode == PositionCenter && !isMovableAcrossScreens())
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|| (mode != PositionCenter && (isShade() || !isResizable())))
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@ -3007,14 +3001,13 @@ void Client::handleMoveResize(int x, int y, int x_root, int y_root)
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if (!update)
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return;
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#ifdef HAVE_XSYNC
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if (isResize() && !s_haveResizeEffect) {
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if (!syncRequest.timeout) {
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syncRequest.timeout = new QTimer(this);
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connect(syncRequest.timeout, SIGNAL(timeout()), SLOT(performMoveResize()));
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syncRequest.timeout->setSingleShot(true);
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}
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if (syncRequest.counter != None) {
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if (syncRequest.counter != XCB_NONE) {
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syncRequest.timeout->start(250);
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sendSyncRequest();
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} else { // for clients not supporting the XSYNC protocol, we
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@ -3023,7 +3016,6 @@ void Client::handleMoveResize(int x, int y, int x_root, int y_root)
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} // and no human can control faster resizes anyway
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XMoveResizeWindow(display(), window(), 0, 0, moveResizeGeom.width() - (border_left + border_right), moveResizeGeom.height() - (border_top + border_bottom));
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} else
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#endif
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performMoveResize();
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#ifdef KWIN_BUILD_SCREENEDGES
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@ -3038,13 +3030,11 @@ void Client::performMoveResize()
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if (isMove() || (isResize() && !s_haveResizeEffect)) {
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setGeometry(moveResizeGeom);
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}
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#ifdef HAVE_XSYNC
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if (syncRequest.counter == None) // client w/o XSYNC support. allow the next resize event
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if (syncRequest.counter == XCB_NONE) // client w/o XSYNC support. allow the next resize event
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syncRequest.isPending = false; // NEVER do this for clients with a valid counter
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// (leads to sync request races in some clients)
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if (isResize())
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addRepaintFull();
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#endif
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positionGeometryTip();
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emit clientStepUserMovedResized(this, moveResizeGeom);
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}
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