[lcd4linux @ 2004-01-18 21:25:16 by reinelt]

Framework for bar widget opened

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@320 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

1 files changed, 136 insertions, 0 deletions

diff --git a/widget_bar.c b/widget_bar.c
new file mode 100644
index 0000000..7ed6f28
--- /dev/null
+++ b/widget_bar.c
@@ -0,0 +1,136 @@
+/* $Id: widget_bar.c,v 1.1 2004/01/18 21:25:16 reinelt Exp $
+ *
+ * bar widget handling
+ *
+ * Copyright 2003,2004 Michael Reinelt <reinelt@eunet.at>
+ * Copyright 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ *
+ * This program 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.
+ *
+ * This program 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.
+ *
+ *
+ * $Log: widget_bar.c,v $
+ * Revision 1.1  2004/01/18 21:25:16  reinelt
+ * Framework for bar widget opened
+ *
+ */
+
+/* 
+ * exported functions:
+ *
+ * WIDGET_CLASS Widget_Bar
+ *   the bar widget
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "debug.h"
+#include "cfg.h"
+#include "evaluator.h"
+#include "timer.h"
+#include "widget.h"
+#include "widget_bar.h"
+
+
+void widget_bar_update (void *Self)
+{
+  WIDGET      *W = (WIDGET*)Self;
+  WIDGET_BAR *T = W->data;
+  RESULT result = {0, 0.0, NULL};
+}
+
+
+int widget_bar_init (WIDGET *Self) 
+{
+  char *section; char *c;
+  WIDGET_BAR *B;
+  
+  // prepare config section
+  // strlen("Widget:")=7
+  section=malloc(strlen(Self->name)+8);
+  strcpy(section, "Widget:");
+  strcat(section, Self->name);
+  
+  B=malloc(sizeof(WIDGET_BAR));
+  memset (B, 0, sizeof(WIDGET_BAR));
+
+  // get raw expressions (we evaluate them ourselves)
+  B->expression1 = cfg_get_raw (section, "expression",   "''");
+  B->expression2 = cfg_get_raw (section, "expression2",  "''");
+  
+  // bar length, default 1
+  cfg_number (section, "length", 1,  0, 99999, &(B->length));
+  
+  // direction: East (default), West, North, South
+  c = cfg_get (section, "direction",  "E");
+  switch (toupper(*c)) {
+  case 'E':
+    B->direction=DIR_EAST;
+    break;
+  case 'W':
+    B->direction=DIR_WEST;
+    break;
+  case 'N':
+    B->direction=DIR_NORTH;
+    break;
+  case 'S':
+    B->direction=DIR_SOUTH;
+    break;
+  default:
+    error ("widget %s has unknown direction '%s', using 'East'", section, c);
+    B->direction=DIR_EAST;
+  }
+  free (c);
+  
+  // update interval (msec), default 1 sec
+  cfg_number (section, "update", 1000, 10, 99999, &(B->update));
+  
+  // buffer
+  // B->buffer=malloc(B->width+1);
+  
+  free (section);
+  Self->data=B;
+  
+  timer_add (widget_bar_update, Self, B->update, 0);
+
+  return 0;
+}
+
+
+int widget_bar_quit (WIDGET *Self) {
+
+  if (Self->data) {
+    free (Self->data);
+    Self->data=NULL;
+  }
+  
+  return 0;
+  
+}
+
+
+
+WIDGET_CLASS Widget_Bar = {
+  name:   "text",
+  init:   widget_bar_init,
+  draw:   NULL,
+  quit:   widget_bar_quit,
+};
+
+