Keep dialog connected to cross-ref inset after Apply.

[lyx.git] / src / Server.cpp

diff --git a/src/Server.cpp b/src/Server.cpp
index 52eebfeee7847be984433cd5f17435a7e1347ff5..e2e9d6ae0aea21c40304c9bac617619ad699b360 100644 (file)
--- a/src/Server.cpp
+++ b/src/Server.cpp
@@ -55,13 +55,16 @@
 #include "support/lassert.h"
 #include "support/lstrings.h"
 #include "support/os.h"
-#include "support/signals.h"
 
 #include <iostream>
 
 #ifdef _WIN32
-#include <io.h>
-#include <QCoreApplication>
+# include <io.h>
+# include <QCoreApplication>
+#else
+# ifdef HAVE_UNISTD_H
+#  include <unistd.h>
+# endif
 #endif
 #include <QThread>
 
@@ -356,7 +359,7 @@ bool LyXComm::pipeServer()
 
                        error = GetLastError();
 
-                       if (success && error == ERROR_IO_PENDING) {
+                       if (success && (error == ERROR_IO_PENDING || error == NO_ERROR)) {
                                // The write operation is still pending.
                                // We get here when a reader is started
                                // well before a reply is ready, so delay
@@ -378,6 +381,9 @@ bool LyXComm::pipeServer()
                        if (!resetPipe(i, !success))
                                return false;
                        break;
+               case CONNECTING_STATE:
+                       LYXERR0("Wrong pipe state");
+                       break;
                }
        }
 
@@ -860,7 +866,7 @@ int LyXComm::startPipe(string const & file, bool write)
        if (!write) {
                // Make sure not to call read_ready after destruction.
                weak_ptr<void> tracker = tracker_.p();
-               theApp()->registerSocketCallback(fd, [=](){
+               theApp()->registerSocketCallback(fd, [this, tracker](){
                                if (!tracker.expired())
                                        read_ready();
                        });
@@ -1000,11 +1006,27 @@ struct Sleep : QThread
 } // namespace
 
 
-bool LyXComm::loadFilesInOtherInstance()
+bool LyXComm::loadFilesInOtherInstance() const
 {
        int pipefd;
-       int loaded_files = 0;
        FileName const pipe(inPipeName());
+
+       if (theFilesToLoad().empty()) {
+               LYXERR0("LyX is already running in another instance\n"
+                       "and 'use single instance' is active.");
+               // Wait a while for the other instance to reset the connection
+               Sleep::millisec(200);
+               pipefd = ::open(pipe.toFilesystemEncoding().c_str(), O_WRONLY);
+               if (pipefd >= 0) {
+                       string const cmd = "LYXCMD:pipe:window-raise\n";
+                       if (::write(pipefd, cmd.c_str(), cmd.length()) < 0)
+                               LYXERR0("Cannot communicate with running instance!");
+                       ::close(pipefd);
+               }
+               return true;
+       }
+
+       int loaded_files = 0;
        vector<string>::iterator it = theFilesToLoad().begin();
        while (it != theFilesToLoad().end()) {
                FileName fname = fileSearch(string(), os::internal_path(*it),