File tigervnc-clean-pressed-key-on-exit.patch of Package tigervnc.openSUSE_Leap_42.1_Update

Index: tigervnc-1.5.0/vncviewer/DesktopWindow.cxx
===================================================================
--- tigervnc-1.5.0.orig/vncviewer/DesktopWindow.cxx
+++ tigervnc-1.5.0/vncviewer/DesktopWindow.cxx
@@ -177,6 +177,8 @@ DesktopWindow::~DesktopWindow()
 
   OptionsDialog::removeCallback(handleOptions);
 
+  delete viewport;
+
   // FLTK automatically deletes all child widgets, so we shouldn't touch
   // them ourselves here
 }
Index: tigervnc-1.5.0/vncviewer/Viewport.cxx
===================================================================
--- tigervnc-1.5.0.orig/vncviewer/Viewport.cxx
+++ tigervnc-1.5.0/vncviewer/Viewport.cxx
@@ -139,6 +139,11 @@ Viewport::Viewport(int w, int h, const r
 
 Viewport::~Viewport()
 {
+  // Send release for every pressed key
+  for(DownMap::iterator iter = downKeySym.begin(); iter != downKeySym.end(); ++iter) {
+    cc->writer()->keyEvent(iter->second, false);
+  }
+
   // Unregister all timeouts in case they get a change tro trigger
   // again later when this object is already gone.
   Fl::remove_timeout(handlePointerTimeout, this);
Index: tigervnc-1.5.0/vncviewer/vncviewer.cxx
===================================================================
--- tigervnc-1.5.0.orig/vncviewer/vncviewer.cxx
+++ tigervnc-1.5.0/vncviewer/vncviewer.cxx
@@ -107,6 +107,8 @@ static const char *about_text()
   return buffer;
 }
 
+static CConn *cc;
+
 void exit_vncviewer(const char *error)
 {
   // Prioritise the first error we get as that is probably the most
@@ -158,6 +160,16 @@ static void CleanupSignalHandler(int sig
   // CleanupSignalHandler allows C++ object cleanup to happen because it calls
   // exit() rather than the default which is to abort.
   vlog.info(_("Termination signal %d has been received. TigerVNC Viewer will now exit."), sig);
+  delete cc;
+  exit(1);
+}
+
+static int CleanupXIOErrorHandler(Display *dpy)
+{
+  // CleanupSignalHandler allows C++ object cleanup to happen because it calls
+  // exit() rather than the default which is to abort.
+  vlog.info("XErrorHandler called");
+  delete cc;
   exit(1);
 }
 
@@ -460,11 +472,19 @@ int main(int argc, char** argv)
 
   init_fltk();
 
+  fl_open_display();
+
+  XSetIOErrorHandler(CleanupXIOErrorHandler);
+
 #if !defined(WIN32) && !defined(__APPLE__)
   fl_open_display();
   XkbSetDetectableAutoRepeat(fl_display, True, NULL);
 #endif
 
+  fl_open_display();
+
+  XSetIOErrorHandler(CleanupXIOErrorHandler);
+
   Configuration::enableViewerParams();
 
   /* Load the default parameter settings */
@@ -577,7 +597,7 @@ int main(int argc, char** argv)
 #endif
   }
 
-  CConn *cc = new CConn(vncServerName, sock);
+  cc = new CConn(vncServerName, sock);
 
   while (!exitMainloop) {
     int next_timer;