Re-add OpenGL window, we commented it out and forgot it that way.
[ccbs] / bigscreen / ccbs_bigscreen.cpp
index 09aa59c..17b71df 100644 (file)
@@ -1,8 +1,87 @@
 #include <cstdio>
+#include <cstring>
+#include <iconv.h>
 #include <unistd.h>
 #include <pqxx/pqxx>
 #include "glwindow.h"
 
+iconv_t ucs4_iconv;
+
+// UCS-4 string
+class widestring : public std::basic_string<unsigned>
+{
+public:
+       void operator= (const char *from)
+       {
+               unsigned bytes = std::strlen(from);
+               char *from_buf = strdup(from);
+               unsigned *to_buf = new unsigned[bytes + 1];
+
+               char *inptr = from_buf, *outptr = reinterpret_cast<char *> (to_buf);
+
+               size_t in_left = bytes;
+               size_t out_left = bytes * sizeof(unsigned);
+
+               size_t ret = iconv(ucs4_iconv, NULL, NULL, &outptr, &out_left);
+               if (ret == (size_t)(-1)) {
+                       throw std::runtime_error("Error in iconv during initialization");
+               }
+
+               ret = iconv(ucs4_iconv, &inptr, &in_left, &outptr, &out_left);
+               if (ret == (size_t)(-1)) {
+                       perror("iconv");
+                       throw std::runtime_error("Error in iconv during conversion");
+               }
+
+               erase(begin(), end());
+               std::copy(to_buf, reinterpret_cast<unsigned *> (outptr), std::back_inserter(*this));
+
+               free(from_buf);
+               delete[] to_buf;
+       }
+};
+
+template<>
+void std::char_traits<unsigned>::assign(unsigned &to, unsigned const &from)
+{
+       to = from;
+}
+
+template<>
+unsigned *std::char_traits<unsigned>::copy(unsigned *to, unsigned const *from, unsigned n)
+{
+       return static_cast<unsigned *>(memcpy(to, from, n * sizeof(unsigned)));
+}
+
+template<>
+unsigned *std::char_traits<unsigned>::move(unsigned *to, unsigned const *from, unsigned n)
+{
+       return static_cast<unsigned *>(memmove(to, from, n * sizeof(unsigned)));
+}
+
+template<>
+unsigned *std::char_traits<unsigned>::assign(unsigned *to, size_t n, unsigned a)
+{
+       for (unsigned i = 0; i < n; ++i)
+               *to++ = a;
+       return to;
+}
+
+
+template<>
+void pqxx::from_string<widestring>(const char *from, widestring &to)
+{
+       to = from;
+}
+
+class Tournament {
+public:
+       int id;
+       widestring name;
+};
+
+Tournament active_tournament;
+
 /* A trigger that sets a flag whenever it's trigged. */
 class FlagTrigger : pqxx::trigger {
 private:
@@ -30,12 +109,6 @@ public:
        }
 };
 
-class Tournament {
-public:
-       int id;
-       std::string name;
-};
-
 /* A transactor that fetches the current tournament and some information about it. */
 class FetchCurrentTournament : public pqxx::transactor<> {
 private:
@@ -60,25 +133,30 @@ public:
 
 void init(pqxx::connection &conn)
 {
-       Tournament tourn;
-       conn.perform(FetchCurrentTournament(&tourn));
+       conn.perform(FetchCurrentTournament(&active_tournament));
 
-       if (tourn.id == -1) {
+       if (active_tournament.id == -1) {
                std::fprintf(stderr, "No active tournament\n");
        } else {
                std::fprintf(stderr, "Current tournament is %d (name: '%s')\n",
-                       tourn.id, tourn.name.c_str());
+                       active_tournament.id, active_tournament.name.c_str());
        }
 }
 
 void main_loop(pqxx::connection &conn)
 {
+       if (active_tournament.id == -1) {
+               // No active tournament, sleep a second or so and exit
+               sleep(1);
+               return;
+       }
+       
        pqxx::work t(conn, "trx");
 
        // fetch all songs
        pqxx::result res( t.exec("SELECT * FROM songs") );
        for (pqxx::result::const_iterator i = res.begin(); i != res.end(); ++i) {
-               // std::fprintf(stderr, "%s\n", i["title"].c_str());
+               std::fprintf(stderr, "%s\n", i["title"].c_str());
        }
        t.commit();
        
@@ -87,6 +165,8 @@ void main_loop(pqxx::connection &conn)
 
 int main(int argc, char **argv)
 {
+       ucs4_iconv = iconv_open("ucs-4", "utf-8");
+       
        GLWindow glw("CCBS bigscreen", 800, 600, 32, false, 16, -1);
        try {
                pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");