Interactive - stub

- Added stub code for the interactive version of task.

i18n/strings.en-US

@@ -18,7 +18,7 @@
 105 Inverted sequence range high-low
 106 ID Range too large
 107 Not a sequence.
-
+108 Interactive task is only available when built with ncurses support.
 
 # 2xx Commands
 200 active

src/Context.cpp

@@ -36,6 +36,10 @@
 #include "i18n.h"
 #include "../auto.h"
 
+#ifdef HAVE_LIBNCURSES
+#include <ncurses.h>
+#endif
+
 ////////////////////////////////////////////////////////////////////////////////
 Context::Context ()
 : config ()
@@ -181,6 +185,8 @@ int Context::run ()
 ////////////////////////////////////////////////////////////////////////////////
 int Context::interactive ()
 {
+#ifdef HAVE_LIBNCURSES
+
   // TODO init ncurses
   // TODO create worker thread
   // TODO create refresh thread
@@ -189,8 +195,76 @@ int Context::interactive ()
   // TODO join worker thread
   // TODO take down ncurses
 
-  throw std::string ("unimplemented Context::interactive");
+//  throw std::string ("unimplemented Context::interactive");
+
+  // Fake interactive teaser...
+  WINDOW* w = initscr ();
+  int width  = w->_maxx + 1;
+  int height = w->_maxy + 1;
+
+  (void) nonl ();
+  (void) cbreak ();
+
+  start_color ();
+  init_pair (1, COLOR_WHITE, COLOR_BLUE);
+  init_pair (2, COLOR_WHITE, COLOR_RED);
+  init_pair (3, COLOR_CYAN, COLOR_BLUE);
+
+  // Process commands.
+  std::string command = "";
+  int c;
+  while (command != "quit")
+  {
+    // Render title.
+    std::string title = "task 2.0.0";
+    while ((int) title.length () < width)
+      title += " ";
+
+    bkgdset (COLOR_PAIR (1));
+    mvprintw (0, 0, title.c_str ());
+
+    bkgdset (COLOR_PAIR (2));
+    int line = height / 2;
+    mvprintw (line,     width / 2 - 14, " I n t e r a c t i v e   t a s k ");
+    mvprintw (line + 1, width / 2 - 14, "     Coming in version 2.0.0     ");
+
+    std::string footer = "Press 'q' to quit.";
+    while ((int) footer.length () < width)
+      footer = " " + footer;
+
+    bkgdset (COLOR_PAIR (3));
+    mvprintw (height - 1, 0, footer.c_str ());
+
+    move (1, 0);
+    refresh ();
+
+    if ((c = getch ()) != ERR)
+    {
+      // 'Esc' and 'Enter' clear the accumulated commands.
+      // TODO Looks like \n is not preserved by getch.
+      if (c == 033 || c == '\n')
+      {
+        command = "";
+      }
+
+      else if (c == 'q')
+      {
+        command = "quit";
+        break;
+      }
+    }
+  }
+
+  endwin ();
   return 0;
+
+#else
+
+  throw stringtable (INTERACTIVE_NO_NCURSES,
+                     "Interactive task is only available when built with ncurses "
+                     "support.");
+
+#endif
 }
 
 ////////////////////////////////////////////////////////////////////////////////

src/i18n.h

@@ -40,6 +40,8 @@
 #define SEQUENCE_RANGE_MAX      106
 #define SEQUENCE_NOT_A_SEQUENCE 107
 
+#define INTERACTIVE_NO_NCURSES  108
+
 // 2xx Commands
 #define CMD_ACTIVE              200
 #define CMD_ADD                 201

src/task.cpp

@@ -302,7 +302,10 @@ int main (int argc, char** argv)
   try
   {
     context.initialize (argc, argv);
-    /* return */ context.run ();
+    if (context.args[0].find ("itask") != std::string::npos)
+      /* return */ context.interactive ();
+    else
+      /* return */ context.run ();
 
 // start OBSOLETE
     TDB tdb;