summaryrefslogtreecommitdiffstats
path: root/win/rfb_win32/SDisplayCorePolling.cxx
diff options
context:
space:
mode:
authorConstantin Kaplinsky <const@tightvnc.com>2006-05-25 05:12:25 +0000
committerConstantin Kaplinsky <const@tightvnc.com>2006-05-25 05:12:25 +0000
commit729598cb00d791bbdfe23ebe0023d3a1c3962f83 (patch)
treeffe1b87705a0541998b8d7c44ea75dc4702dc515 /win/rfb_win32/SDisplayCorePolling.cxx
parentb30ae7facbdf8273f34f5d67d3d2e9c81db75576 (diff)
downloadtigervnc-729598cb00d791bbdfe23ebe0023d3a1c3962f83.tar.gz
tigervnc-729598cb00d791bbdfe23ebe0023d3a1c3962f83.zip
Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@591 3789f03b-4d11-0410-bbf8-ca57d06f2519
Diffstat (limited to 'win/rfb_win32/SDisplayCorePolling.cxx')
-rw-r--r--win/rfb_win32/SDisplayCorePolling.cxx81
1 files changed, 81 insertions, 0 deletions
diff --git a/win/rfb_win32/SDisplayCorePolling.cxx b/win/rfb_win32/SDisplayCorePolling.cxx
new file mode 100644
index 00000000..fc57ecd0
--- /dev/null
+++ b/win/rfb_win32/SDisplayCorePolling.cxx
@@ -0,0 +1,81 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ *
+ * This 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 software 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 software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+// -=- SDisplayCorePolling.cxx
+
+#include <rfb_win32/SDisplayCorePolling.h>
+#include <rfb/LogWriter.h>
+
+using namespace rfb;
+using namespace rfb::win32;
+
+static LogWriter vlog("SDisplayCorePolling");
+
+const int POLLING_SEGMENTS = 16;
+
+const int SDisplayCorePolling::pollTimerId = 1;
+
+SDisplayCorePolling::SDisplayCorePolling(SDisplay* d, UpdateTracker* ut, int pollInterval_)
+ : MsgWindow(_T("rfb::win32::SDisplayCorePolling")), updateTracker(ut),
+ pollTimer(getHandle(), pollTimerId), pollNextStrip(false), display(d) {
+ pollInterval = max(10, (pollInterval_ / POLLING_SEGMENTS));
+ copyrect.setUpdateTracker(ut);
+}
+
+SDisplayCorePolling::~SDisplayCorePolling() {
+}
+
+LRESULT SDisplayCorePolling::processMessage(UINT msg, WPARAM wParam, LPARAM lParam) {
+ if (msg == WM_TIMER && wParam == pollTimerId) {
+ pollNextStrip = true;
+ SetEvent(display->getUpdateEvent());
+ return 0;
+ }
+ return MsgWindow::processMessage(msg, wParam, lParam);
+}
+
+void SDisplayCorePolling::setScreenRect(const Rect& screenRect_) {
+ vlog.info("setScreenRect");
+ screenRect = screenRect_;
+ pollIncrementY = (screenRect.height()+POLLING_SEGMENTS-1)/POLLING_SEGMENTS;
+ pollNextY = screenRect.tl.y;
+ pollTimer.start(pollInterval);
+}
+
+void SDisplayCorePolling::flushUpdates() {
+ vlog.write(120, "flushUpdates");
+
+ // Check for window movement
+ while (copyrect.processEvent()) {}
+
+ if (pollNextStrip) {
+ // Poll the next strip of the screen (in Screen coordinates)
+ pollNextStrip = false;
+ Rect pollrect = screenRect;
+ if (pollNextY >= pollrect.br.y) {
+ // Yes. Reset the counter and return
+ pollNextY = pollrect.tl.y;
+ } else {
+ // No. Poll the next section
+ pollrect.tl.y = pollNextY;
+ pollNextY += pollIncrementY;
+ pollrect.br.y = min(pollNextY, pollrect.br.y);
+ updateTracker->add_changed(pollrect);
+ }
+ }
+}