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-rw-r--r--drv_Curses.c373
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diff --git a/drv_Curses.c b/drv_Curses.c
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--- /dev/null
+++ b/drv_Curses.c
@@ -0,0 +1,373 @@
+/* $Id: drv_Curses.c 975 2009-01-18 11:16:20Z michael $
+ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_Curses.c $
+ *
+ * pure ncurses based text driver
+ *
+ * Copyright (C) 2004 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * based on the old Curses/Text driver which is
+ * Copyright (C) 2001 Leopold Toetsch <lt@toetsch.at>
+ *
+ * This file is part of LCD4Linux.
+ *
+ * LCD4Linux is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LCD4Linux is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ *
+ * exported fuctions:
+ *
+ * struct DRIVER drv_Curses
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <curses.h>
+
+#include "debug.h"
+#include "cfg.h"
+#include "qprintf.h"
+#include "timer.h"
+#include "plugin.h"
+#include "widget.h"
+#include "widget_text.h"
+#include "widget_bar.h"
+#include "widget_keypad.h"
+#include "drv.h"
+#include "drv_generic_text.h"
+#include "drv_generic_keypad.h"
+
+
+static char Name[] = "Curses";
+
+static WINDOW *w = NULL;
+static WINDOW *e = NULL;
+
+static int EROWS;
+
+
+/****************************************/
+/*** hardware dependant functions ***/
+/****************************************/
+
+static void drv_Curs_clear(void)
+{
+ werase(w);
+ box(w, 0, 0);
+ wrefresh(w);
+}
+
+
+static void drv_Curs_write(const int row, const int col, const char *data, const int len)
+{
+ int l = len;
+ char *p;
+
+ while ((p = strpbrk(data, "\r\n")) != NULL) {
+ *p = '\0';
+ }
+
+ if (col < DCOLS) {
+ if (DCOLS - col < l)
+ l = DCOLS - col;
+ mvwprintw(w, row + 1, col + 1, "%.*s", l, data);
+ wmove(w, DROWS + 1, 0);
+ wrefresh(w);
+ }
+}
+
+
+static void drv_Curs_defchar(const __attribute__ ((unused))
+ int ascii, const __attribute__ ((unused))
+ unsigned char *buffer)
+{
+ /* empty */
+}
+
+
+/* ncures scroll SIGSEGVs on my system, so this is a workaroud */
+
+int curses_error(char *buffer)
+{
+ static int lines = 0;
+ static char *lb[100];
+ int start, i;
+ char *p;
+
+ if (e == NULL)
+ return 0;
+
+ /* replace \r, \n with underscores */
+ while ((p = strpbrk(buffer, "\r\n")) != NULL) {
+ *p = '_';
+ }
+
+ if (lines >= EROWS) {
+ free(lb[0]);
+ for (i = 1; i <= EROWS; i++) {
+ lb[i - 1] = lb[i];
+ }
+ start = 0;
+ } else {
+ start = lines;
+ }
+
+ lb[lines] = strdup(buffer);
+ for (i = start; i <= lines; i++) {
+ mvwprintw(e, i + 1, 1, "%s", lb[i]);
+ wclrtoeol(e);
+ }
+
+ box(e, 0, 0);
+ mvwprintw(e, 0, 3, "Stderr:");
+ wrefresh(e);
+
+ if (lines < EROWS)
+ lines++;
+
+ return 1;
+}
+
+
+static int drv_Curs_start(const char *section, const int quiet)
+{
+ char *s;
+
+ if (!running_foreground) {
+ error("%s: You want me to display on /dev/null? Sorry, I can't ...", Name);
+ error("%s: Maybe you want me to run in foreground? Try '-F'", Name);
+ return -1;
+ }
+
+ s = cfg_get(section, "Size", "20x4");
+ if (s == NULL || *s == '\0') {
+ error("%s: no '%s.Size' entry from %s", Name, section, cfg_source());
+ free(s);
+ return -1;
+ }
+ if (sscanf(s, "%dx%d", &DCOLS, &DROWS) != 2 || DROWS < 1 || DCOLS < 1) {
+ error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source());
+ free(s);
+ return -1;
+ }
+ free(s);
+
+ initscr();
+ noecho();
+ debug("%s: curses thinks that COLS=%d LINES=%d", Name, COLS, LINES);
+ w = newwin(DROWS + 2, DCOLS + 2, 0, 0);
+ keypad(w, TRUE);
+ nodelay(w, TRUE);
+
+ EROWS = LINES - DROWS - 3;
+ if (EROWS > 99)
+ EROWS = 99;
+ debug("EROWS=%d", EROWS);
+
+ if (EROWS >= 4) {
+ e = newwin(EROWS, COLS, DROWS + 3, 0);
+ EROWS -= 3;
+ box(e, 0, 0);
+ mvwprintw(e, 0, 3, "Stderr:");
+ wmove(e, 1, 0);
+ wrefresh(e);
+ }
+
+ drv_Curs_clear();
+
+ if (!quiet) {
+ char buffer[40];
+ qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
+ if (drv_generic_text_greet(buffer, NULL)) {
+ sleep(3);
+ drv_Curs_clear();
+ }
+ }
+
+ return 0;
+}
+
+static void drv_Curs_timer(void __attribute__ ((unused)) * notused)
+{
+ int c;
+ while (1) {
+ c = wgetch(w);
+ if (c <= 0)
+ break;
+ drv_generic_keypad_press(c);
+ }
+}
+
+static int drv_Curs_keypad(const int num)
+{
+ int val = 0;
+
+ switch (num) {
+ case KEY_UP:
+ debug("Key Up");
+ val += WIDGET_KEY_PRESSED;
+ val += WIDGET_KEY_UP;
+ break;
+ case KEY_DOWN:
+ debug("Key Down");
+ val += WIDGET_KEY_PRESSED;
+ val += WIDGET_KEY_DOWN;
+ break;
+ case KEY_LEFT:
+ debug("Key Left");
+ val += WIDGET_KEY_PRESSED;
+ val += WIDGET_KEY_LEFT;
+ break;
+ case KEY_RIGHT:
+ debug("Key Right");
+ val += WIDGET_KEY_PRESSED;
+ val += WIDGET_KEY_RIGHT;
+ break;
+ default:
+ debug("Unbound Key '%d'", num);
+ break;
+ }
+
+ return val;
+}
+
+
+/****************************************/
+/*** plugins ***/
+/****************************************/
+
+/* none at the moment... */
+
+
+/****************************************/
+/*** widget callbacks ***/
+/****************************************/
+
+/* using drv_generic_text_draw(W) */
+/* using drv_generic_text_bar_draw(W) */
+/* using drv_generic_keypad_draw(W) */
+
+
+/****************************************/
+/*** exported functions ***/
+/****************************************/
+
+
+/* list models */
+int drv_Curs_list(void)
+{
+ printf("pure ncurses based text driver");
+ return 0;
+}
+
+
+/* initialize driver & display */
+int drv_Curs_init(const char *section, const int quiet)
+{
+ WIDGET_CLASS wc;
+ int ret;
+
+ info("%s: %s", Name, "$Rev: 975 $");
+
+ /* display preferences */
+ XRES = 1; /* pixel width of one char */
+ YRES = 1; /* pixel height of one char */
+ CHARS = 0; /* number of user-defineable characters */
+ CHAR0 = 0; /* ASCII of first user-defineable char */
+ GOTO_COST = 0; /* number of bytes a goto command requires */
+
+ /* real worker functions */
+ drv_generic_text_real_write = drv_Curs_write;
+ drv_generic_text_real_defchar = drv_Curs_defchar;
+ drv_generic_keypad_real_press = drv_Curs_keypad;
+
+ /* regularly process display answers */
+ timer_add(drv_Curs_timer, NULL, 100, 0);
+
+ /* start display */
+ if ((ret = drv_Curs_start(section, quiet)) != 0) {
+ return ret;
+ }
+
+ /* initialize generic text driver */
+ if ((ret = drv_generic_text_init(section, Name)) != 0)
+ return ret;
+
+ /* initialize generic bar driver */
+ if ((ret = drv_generic_text_bar_init(1)) != 0)
+ return ret;
+
+ /* initialize generic key pad driver */
+ if ((ret = drv_generic_keypad_init(section, Name)) != 0)
+ return ret;
+
+ /* add fixed chars to the bar driver */
+ drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */
+ drv_generic_text_bar_add_segment(255, 255, 255, '*'); /* asterisk */
+
+ /* register text widget */
+ wc = Widget_Text;
+ wc.draw = drv_generic_text_draw;
+ widget_register(&wc);
+
+ /* register bar widget */
+ wc = Widget_Bar;
+ wc.draw = drv_generic_text_bar_draw;
+ widget_register(&wc);
+
+ /* register plugins */
+ /* none at the moment... */
+
+ return 0;
+}
+
+
+/* close driver & display */
+int drv_Curs_quit(const int quiet)
+{
+
+ info("%s: shutting down.", Name);
+
+ drv_generic_text_quit();
+ drv_generic_keypad_quit();
+
+ /* clear display */
+ drv_Curs_clear();
+
+ /* say goodbye... */
+ if (!quiet) {
+ drv_generic_text_greet("goodbye!", NULL);
+ }
+
+ endwin();
+
+ return (0);
+}
+
+
+DRIVER drv_Curses = {
+ .name = Name,
+ .list = drv_Curs_list,
+ .init = drv_Curs_init,
+ .quit = drv_Curs_quit,
+};
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