Initial commit.

Makefile

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+# catpoint
+
+LDLIBS = -lncursesw
+
+BIN = catpoint
+all: $(BIN)
+
+clean:
+	rm -f $(BIN)

README

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+# Synopsis
+
+Catpoint is a simple viewer of text files written in curses.
+Further documentation comes in a series of slides.  Just do:
+
+    $ make && ./catpoint showoff/*.txt
+
+# Usage
+
+    catpoint file ...

catpoint.c

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+/* $Id: catpoint.c,v 1.2 2013/03/28 12:00:48 lostd Exp $ */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+
+#include <err.h>
+#include <curses.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <locale.h>
+
+int
+main(int argc, char *argv[])
+{
+	int c, i, fd;
+	char **p; /* the slides */
+
+	if (argc == 1)
+		errx(1, "usage: %s file ...", argv[0]);
+	argv++;
+	argc--;
+
+	setlocale(LC_ALL, "");
+
+	p = calloc(argc, sizeof(char *));
+
+	/* map files to mem */
+	for (i = 0; argv[i] != NULL; i++) {
+		fd = open(argv[i], O_RDONLY, 0);
+		if (fd == -1)
+			err(1, "open: %s", argv[i]);
+		p[i] = mmap(NULL, 0x1000, PROT_READ, MAP_PRIVATE, fd, 0);
+		if (p[i] == MAP_FAILED)
+			err(1, "mmap");
+		close(fd);
+	}
+
+	/* init curses */
+	initscr();
+	cbreak();
+	noecho();
+	nonl();
+	intrflush(stdscr, FALSE);
+	keypad(stdscr, TRUE);
+	curs_set(FALSE); /* hide cursor */
+
+	/* start */
+	i = 0;
+show:
+	/* display slide */
+	clear();
+	printw("%s", p[i]);
+again:
+	c = getch();
+	switch (c) {
+	case 'q':
+		break;
+	/* next */
+	case 'l':
+	case 'j':
+	case KEY_RIGHT:
+	case KEY_DOWN:
+	case KEY_NPAGE:
+		if (i < argc - 1) {
+			i++;
+			goto show;
+		}
+		goto again;
+	/* prev */
+	case 'h':
+	case 'k':
+	case KEY_LEFT:
+	case KEY_UP:
+	case KEY_PPAGE:
+		if (i > 0) {
+			i--;
+			goto show;
+		}
+		goto again;
+	/* first */
+	case 'u':
+	case KEY_BEG:
+		i = 0;
+		goto show;
+	/* last */
+	case 'i':
+	case KEY_END:
+		i = argc - 1;
+		goto show;
+	default:
+		goto again;
+	}
+
+	/* unmap mem */
+	for (i = 0; argv[i] != NULL; i++)
+		munmap(p[i], 0x1000);
+
+	endwin(); /* restore terminal */
+
+	return (0);
+}

showoff/00-intro.txt

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+
+
+
+
+
+      .----------------------------------------------------------------.
+      | How to transform your presentation into pure art with catpoint |
+      '----------------------------------------------------------------'
+
+
+                    Lazaros Koromilas <lostd@2f30.org>
+
+                        http://www.2f30.org/~lostd

showoff/01-files.txt

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+
+  Create the slides
+  =================
+
+  o  Create a text file for every slide
+
+         00-intro.txt
+         01-files.txt
+         02-config.txt
+         03-run.txt
+         04-graph.txt
+         99-end.txt
+
+  o  You can use banner or figlet to generate text art
+
+  o  You can use gnuplot to produce graphs using
+
+         set term dumb

showoff/02-config.txt

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+
+  Configure the environment
+  =========================
+
+  o  You can alter your xterm defaults by adding the
+     following lines to your ~/.Xdefaults:
+
+         XTerm*background: white
+         XTerm*foreground: black
+         XTerm*faceName: xft:Monospace:size=16
+
+  o  Open an xterm and maximize its window

showoff/03-run.txt

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+
+  Run the presentation
+  ====================
+
+  o  Go to the directory where the files live
+
+  o  Run catpoint with the list of files as arguments
+
+         $ catpoint *.txt

showoff/04-graph.txt

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+
+  Show graphs
+  ===========
+
+     +---------+---------+---------+---------+---------+---------+---------+
+     | Rate +----+                                                         |
+     |                                                                     |
+  20 ++                                               +-+                 ++
+     |                                      +-+       | |       +-+        |
+     |                                      | |       | |       | |        |
+  15 ++                           +-+       | |       | |       | |       ++
+     |                            | |       | |       | |       | |        |
+     |                            | |       | |       | |       | |        |
+  10 ++                 +-+       | |       | |       | |       | |       ++
+     |                  | |       | |       | |       | |       | |        |
+     |                  | |       | |       | |       | |       | |        |
+   5 ++       +-+       | |       | |       | |       | |       | |       ++
+     |        | |       | |       | |       | |       | |       | |        |
+     |        | |       | |       | |       | |       | |       | |        |
+   0 ++--------+---------+---------+---------+---------+---------+--------++
+              60        128       256       512      1024      1514
+                               Packet size (bytes)

showoff/05-export.txt

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+
+  Exporting
+  =========
+
+  o  Easily create a basic Black on White PDF export like that:
+
+         $ enscript *.txt -Brf "Courier16" -p - > slides.ps
+         $ ps2pdf slides.ps

showoff/99-end.txt

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+
+  EOF
+  ===
+
+
+
+
+                       _____ _                 _        _ 
+                      |_   _| |__   __ _ _ __ | | _____| |
+                        | | | '_ \ / _` | '_ \| |/ / __| |
+                        | | | | | | (_| | | | |   <\__ \_|
+                        |_| |_| |_|\__,_|_| |_|_|\_\___(_)