Do not poll screen area near the pointer if the pointer did not move
for about 5 seconds.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@481 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/x0vncserver/PollingManager.cxx b/x0vncserver/PollingManager.cxx
index 2d8b87a..0c972dd 100644
--- a/x0vncserver/PollingManager.cxx
+++ b/x0vncserver/PollingManager.cxx
@@ -25,6 +25,7 @@
#include <stdio.h>
#include <string.h>
+#include <time.h>
#include <sys/time.h>
#include <X11/Xlib.h>
#include <rfb/VNCServer.h>
@@ -126,14 +127,13 @@
void PollingManager::setPointerPos(const Point &pos)
{
+ m_pointerPosTime = time(NULL);
m_pointerPos = pos;
m_pointerPosKnown = true;
}
//
// Indicate that current pointer position is unknown.
-// FIXME: Perhaps this should be done automatically after a number of
-// polling cycles if the cursor position have not been changed?
//
void PollingManager::unsetPointerPos()
@@ -190,8 +190,17 @@
}
// Second step: optional thorough polling of the area around the pointer.
+ // We do that only if the pointer position is known and was set recently.
- bool changes2 = pollPointer && m_pointerPosKnown && pollPointerArea();
+ bool changes2 = false;
+ if (pollPointer) {
+ if (m_pointerPosKnown && time(NULL) - m_pointerPosTime >= 5) {
+ unsetPointerPos();
+ }
+ if (m_pointerPosKnown) {
+ changes2 = pollPointerArea();
+ }
+ }
// Update if needed.