Now uses grip when choosing Compile and run on a markdown file

src/project.cc

@@ -629,33 +629,14 @@ void Project::Markdown::compile_and_run() {
   }
   
   std::stringstream stdin_stream, stdout_stream;
-  auto exit_status=Terminal::get().process(stdin_stream, stdout_stream, "markdown "+filesystem::escape_argument(Notebook::get().get_current_view()->file_path.string()));
+  auto exit_status=Terminal::get().process(stdin_stream, stdout_stream, "command -v grip");
   if(exit_status==0) {
-    boost::system::error_code ec;
-    auto temp_path=boost::filesystem::temp_directory_path(ec);
-    if(!ec) {
-      temp_path/=boost::filesystem::unique_path();
-      temp_path+=".html";
-      if(!boost::filesystem::exists(temp_path)) {
-        last_temp_path=temp_path;
-        std::ofstream file_stream(temp_path.string(), std::fstream::binary);
-        file_stream << stdout_stream.rdbuf();
-        file_stream.close();
-        
-        auto uri=temp_path.string();
-#ifdef __APPLE__
-        Terminal::get().process("open "+filesystem::escape_argument(uri));
-#else
-#ifdef __linux
-        uri="file://"+uri;
-#endif
-        GError* error=nullptr;
-        gtk_show_uri(nullptr, uri.c_str(), GDK_CURRENT_TIME, &error);
-        g_clear_error(&error);
-#endif
-      }
-    }
+    auto command="grip -b "+filesystem::escape_argument(Notebook::get().get_current_view()->file_path.string());
+    Terminal::get().print("Running: "+command+" in a quiet background process\n");
+    Terminal::get().async_process(command, "", nullptr, true);
   }
+  else
+    Terminal::get().print("Warning: install grip to preview Markdown files\n");
 }
 
 void Project::Python::compile_and_run() {

src/terminal.cc

@@ -109,13 +109,15 @@ int Terminal::process(std::istream &stdin_stream, std::ostream &stdout_stream, c
   return process.get_exit_status();
 }
 
-void Terminal::async_process(const std::string &command, const boost::filesystem::path &path, std::function<void(int exit_status)> callback) {
-  std::thread async_execute_thread([this, command, path, callback](){
+void Terminal::async_process(const std::string &command, const boost::filesystem::path &path, std::function<void(int exit_status)> callback, bool quiet) {
+  std::thread async_execute_thread([this, command, path, callback, quiet]() {
     std::unique_lock<std::mutex> processes_lock(processes_mutex);
     stdin_buffer.clear();
-    auto process=std::make_shared<Process>(command, path.string(), [this](const char* bytes, size_t n) {
+    auto process=std::make_shared<Process>(command, path.string(), [this, quiet](const char* bytes, size_t n) {
+      if(!quiet)
         async_print(std::string(bytes, n));
-    }, [this](const char* bytes, size_t n) {
+    }, [this, quiet](const char* bytes, size_t n) {
+      if(!quiet)
         async_print(std::string(bytes, n), true);
     }, true);
     auto pid=process->get_id();

src/terminal.h

@@ -41,7 +41,7 @@ public:
   
   int process(const std::string &command, const boost::filesystem::path &path="", bool use_pipes=true);
   int process(std::istream &stdin_stream, std::ostream &stdout_stream, const std::string &command, const boost::filesystem::path &path="");
-  void async_process(const std::string &command, const boost::filesystem::path &path="", std::function<void(int exit_status)> callback=nullptr);
+  void async_process(const std::string &command, const boost::filesystem::path &path="", std::function<void(int exit_status)> callback=nullptr, bool quiet=false);
   void kill_last_async_process(bool force=false);
   void kill_async_processes(bool force=false);