added static output handler (fixes #6)

added some extensive debug output — all the communication between pseudo
terminal's host and client

NCursesPtyApp.cpp

@@ -51,7 +51,8 @@ namespace krikkel::NCursesPtyWindow
                 ptyWindow->wresize(Root_Window->lines(), Root_Window->cols());
                 continue;
             }
-            ptyWindow->writeToClient((unsigned char) input);
+
+            ptyWindow->writeToClient((char *) &input, 1);
         }
 
         return 0;

NCursesPtyWindow.cpp

@@ -37,9 +37,11 @@ namespace krikkel::NCursesPtyWindow
         pseudoTerminalScreen = vterm_obtain_screen(pseudoTerminal);
         vterm_screen_reset(pseudoTerminalScreen, true);
         vterm_screen_set_callbacks(pseudoTerminalScreen, &screenCallbacks, this);
+        vterm_output_set_callback(pseudoTerminal, &staticHandlerOutput, this);
+        //vterm_screen_enable_altscreen(pseudoTerminalScreen, true);
 
         // the terminal is doing most of the work
-        //raw(); — cbreak might suffice
+        //raw(); //— cbreak might suffice
         //noecho(); — already set
         //nodelay(true); — @todo needs some reprogramming
         keypad(false);
@@ -62,10 +64,11 @@ namespace krikkel::NCursesPtyWindow
         return fdPtyClient;
     }
 
-    /// @todo maybe implement a function with a string buffer
+    void NCursesPtyWindow::writeToClient(const char *output, size_t length) const
-    void NCursesPtyWindow::writeToClient(char character)
     {
-        write(fdPtyHost, &character, sizeof(character));
+          write(fdPtyHost, output, length);
+        __debug_log("written to PTY client: ");
+        __debug_log(__debug_bytes_printable_table(output, length));
     }
 
     void NCursesPtyWindow::readFromPtyClientThreadMethod()
@@ -90,6 +93,7 @@ namespace krikkel::NCursesPtyWindow
         size_t bytesRead = read(fdPtyHost, ptyClientOutputBuffer, PTY_CLIENT_OUTPUT_BUFFER_SIZE);
         if(bytesRead != -1 && bytesRead != 0)
             vterm_input_write(pseudoTerminal, ptyClientOutputBuffer, bytesRead);
+        __debug_log("read from PTY client: '" + __debug_bytes_printable(ptyClientOutputBuffer, bytesRead) + "'");
     }
 
     VTermScreenCallbacks NCursesPtyWindow::screenCallbacks =
@@ -210,13 +214,13 @@ namespace krikkel::NCursesPtyWindow
     attr_t NCursesPtyWindow::extractAttributesFromVTermCell(VTermScreenCell vTermCell)
     {
         attr_t result = A_NORMAL;
-        __debug_log("unimplemented method called");
+        //__debug_log("unimplemented method called");
         return result;
     }
 
     short NCursesPtyWindow::extractColorFromVTermCell(VTermScreenCell vTermCell)
     {
-        __debug_log("unimplemented method called");
+        //__debug_log("unimplemented method called");
         return 0;
     }
 
@@ -317,4 +321,11 @@ namespace krikkel::NCursesPtyWindow
         NCursesPtyWindow *instance = static_cast<NCursesPtyWindow *>(user);
         return instance->handlerPopLine(cols, cells);
     }
+
+    void NCursesPtyWindow::staticHandlerOutput(const char *s, size_t len, void *user)
+    {
+        NCursesPtyWindow *instance = static_cast<NCursesPtyWindow *>(user);
+        for(size_t index = 0; index < len; ++index)
+            instance->writeToClient(s, len);
+   }
 }

NCursesPtyWindow.hpp

@@ -24,7 +24,7 @@ namespace krikkel::NCursesPtyWindow
             ~NCursesPtyWindow();
 
             int getFdPtyClient() const;
-            void writeToClient(char character);
+            void writeToClient(const char * string, size_t length) const;
 
             int add_wch(cchar_t *character);
             int refresh() override;
@@ -66,5 +66,6 @@ namespace krikkel::NCursesPtyWindow
             static int staticHandlerResize(int rows, int cols, void *user);
             static int staticHandlerPushLine(int cols, const VTermScreenCell *cells, void *user);
             static int staticHandlerPopLine(int cols, VTermScreenCell *cells, void *user);
-    };
+            static void staticHandlerOutput(const char *s, size_t len, void *user);
+   };
 }