Shinjiru: Linux windowwatcher

linux_watch.patch

commit 635e0e53614ad9f901f19327b67b00d954a39e32
Author: Lukáš Mandák <lukas.mandak@yandex.com>
Date:   Tue Oct 27 06:54:29 2015 +0100

    Added Linux support for automatic list updating by using 'xwininfo'

diff --git a/src/lib/windowwatcher.cpp b/src/lib/windowwatcher.cpp
index 60fb096..5792ee0 100644
--- a/src/lib/windowwatcher.cpp
+++ b/src/lib/windowwatcher.cpp
@@ -92,6 +92,34 @@ void WindowWatcher::timeOut() {
   m_window_list = s.split(',');
 #endif
 
+#ifdef Q_OS_LINUX
+  QProcess p;
+  p.setProcessChannelMode(QProcess::MergedChannels);
+
+  QEventLoop event;
+  connect(&p, SIGNAL(finished(int)), &event, SLOT(quit()));
+  connect(&p, SIGNAL(error(QProcess::ProcessError)), &event, SLOT(quit()));
+
+  p.start("xwininfo", QStringList() << "-root" << "-tree");
+  event.exec();
+  if (p.error() != QProcess::UnknownError)
+    return;
+
+  QString out = QString(p.readAll());
+  QStringList xwininfo_lines = out.split("\n");
+
+  QRegExp window_line_pattern = QRegExp("\".+\": \\(.+\\)");
+  QStringList windows = xwininfo_lines.filter(window_line_pattern);
+
+  QStringList xorg_window_list;
+  for (int i = 0; i < windows.length(); i++) {
+    QString line = windows.at(i);
+    QString title = line.section("\":", 0, 0).section(" \"", 1, -1);
+    xorg_window_list << title;
+  }
+  m_window_list = xorg_window_list;
+#endif
+
   parseWindowList();
 }