From 89de2efebc22b3754c18ede10dc07bfc397fc2d0 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Wed, 2 Jul 2008 19:18:44 +0000
Subject: initial server ncurses console

---
 src/server/console.cc | 132 +++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 131 insertions(+), 1 deletion(-)

(limited to 'src/server/console.cc')

diff --git a/src/server/console.cc b/src/server/console.cc
index 4b7992e..ea82dff 100644
--- a/src/server/console.cc
+++ b/src/server/console.cc
@@ -4,28 +4,158 @@
    the terms and conditions of the GNU General Public License version 2
 */
 
+#include <iostream>
+
 #include "server/console.h"
 #include "core/core.h"
+#include "sys/consoleinterface.h"
 
-#include <iostream>
+#ifdef HAVE_CURSES
+#include <ncurses.h>
+#endif
 
 namespace server {
 
+bool console_initialized = false;
+bool console_updated = false;
+
 Console server_console;
 
+#ifdef HAVE_CURSES
+WINDOW *stdwin;
+#endif
+
 Console *console()
 {
 	return (&server_console);
 }
+
 void Console::init()
 {
+#ifdef HAVE_CURSES
+        stdwin = initscr();             // initialize the ncurses window
+        cbreak();                       // disable input line buffering
+        noecho();                       // don't show typed characters
+        keypad(stdwin, TRUE);           // enable special keys
+        nodelay(stdwin, TRUE);          // non-blocking input
+        curs_set(0);                    // disable cursor
+
+	console_initialized = true;
+	console_updated = true;
+#endif // HAVE_CURSES	
+
 	con_print << "Initializing console..." << std::endl;
+
+#ifdef HAVE_CURSES
+	server_console.console_lastrefresh = 1;
+	server_console.draw();
+#endif // HAVE_CURSES
 }
 
 void Console::shutdown()
 {
 	con_print << "Shutting down console..." << std::endl;
+
+#ifdef HAVE_CURSES
+	server_console.draw();
+	endwin();
+	console_initialized = false;
+#endif
+}
+
+#ifdef HAVE_CURSES
+void Console::resize()
+{
+	if (!console_initialized)
+		return;
+	
+	endwin();
+	refresh();
+	
+	console_updated = true;
+}
+
+void Console::flush()
+{
+        char line[MAXCMDSIZE];
+
+        while(consoleinterface_buffer.getline(line, MAXCMDSIZE-1)) {
+
+                while (consoleinterface_text.size() >= sys::MAXCONLINES) {
+                        consoleinterface_text.pop_front();
+                }
+                consoleinterface_text.push_back(std::string(line));
+		console_updated = true;
+        }
+
+        consoleinterface_buffer.clear();
+}
+
+void Console::draw_background()
+{
+	bkgdset(' ');
+	clear();
+
+	// draw version string
+	std::string versionstr("The Osirion Project ");
+	versionstr.append(core::version());
+	mvaddstr(0, stdwin->_maxx - 1 - versionstr.size(), versionstr.c_str());
+}
+
+void Console::draw_text()
+{
+	int w = stdwin->_maxx;
+	int h = stdwin->_maxy;
+	
+	if ((w < 3) || (h < 3))
+		return;
+
+	int y = h-1;
+
+	// draw console text
+	std::deque<std::string>::reverse_iterator rit = consoleinterface_text.rbegin(); 
+	while (rit != consoleinterface_text.rend() && y > 0) {
+		mvaddnstr(y, 0, (*rit).c_str(), w);
+		++rit;
+		y--;
+	}
+}
+
+void Console::draw() 
+{
+	flush();
+
+	if (console_lastrefresh < 0.1) {
+		return;
+	}
+
+ 	if (console_initialized && console_updated && stdwin->_maxx && stdwin->_maxy) {
+
+		draw_background();
+		draw_text();
+		wrefresh(stdwin);
+
+		console_updated = false;
+		console_lastrefresh = 0;
+	}
+
+}
+
+void Console::frame(float seconds)
+{
+	if (!console_initialized)
+		return;
+
+	console_lastrefresh += seconds;
+
+	int key = wgetch(stdwin);
+	while (key != ERR) {
+		key = wgetch(stdwin);
+	}
+
+	draw();
 }
+#endif // HAVE_CURSES
 
 }
 
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