Initial Alpine Version

1 files changed, 138 insertions, 0 deletions

diff --git a/pith/margin.c b/pith/margin.c
new file mode 100644
index 00000000..90fdd209
--- /dev/null
+++ b/pith/margin.c
@@ -0,0 +1,138 @@
+#if !defined(lint) && !defined(DOS)
+static char rcsid[] = "$Id: margin.c 1032 2008-04-11 00:30:04Z hubert@u.washington.edu $";
+#endif
+
+/*
+ * ========================================================================
+ * Copyright 2006-2008 University of Washington
+ * Copyright 2013 Eduardo Chappa
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * ========================================================================
+ */
+
+/*======================================================================
+
+     margin.c
+     Implements message data gathering and formatting
+
+  ====*/
+
+
+#include "../pith/headers.h"
+#include "../pith/string.h"
+#include "../pith/state.h"
+#include "../pith/conf.h"
+
+
+/*
+ * Internal prototypes
+ */
+
+
+/*
+ * format_view_margin - return sane value for vertical margins
+ */
+int *
+format_view_margin(void)
+{
+    static int margin[2];
+    char tmp[100], e[200], *err, lastchar = 0;
+    int left = 0, right = 0, leftm = 0, rightm = 0;
+    size_t l;
+
+    memset(margin, 0, sizeof(margin));
+
+    /*
+     * We initially tried to make sure that the user didn't shoot themselves
+     * in the foot by setting this too small. People seem to want to do some
+     * strange stuff, so we're going to relax the wild shot detection and
+     * let people set what they want, until we get to the point of totally
+     * absurd. We've also added the possibility of appending the letter c
+     * onto the width. That means treat the value as an absolute column
+     * instead of a width. That is, a right margin of 76c means wrap at
+     * column 76, whereas right margin of 4 means to wrap at column
+     * screen width - 4.
+     */
+    if(ps_global->VAR_VIEW_MARGIN_LEFT){
+	strncpy(tmp, ps_global->VAR_VIEW_MARGIN_LEFT, sizeof(tmp)-1);
+	tmp[sizeof(tmp)-1] = '\0';
+	removing_leading_and_trailing_white_space(tmp);
+	if(tmp[0]){
+	    l = strlen(tmp);
+	    if(l > 0)
+	      lastchar = tmp[l-1];
+
+	    if(lastchar == 'c')
+	      tmp[l-1] = '\0';
+	    
+	    if((err = strtoval(tmp, &left, 0, 0, 0, e, sizeof(e), "Viewer-margin-left")) != NULL){
+		leftm = 0;
+		dprint((2, "%s\n", err));
+	    }
+	    else{
+		if(lastchar == 'c')
+		  leftm = left-1;
+		else
+		  leftm = left;
+		
+		leftm = MIN(MAX(0, leftm), ps_global->ttyo->screen_cols);
+	    }
+	}
+    }
+
+    if(ps_global->VAR_VIEW_MARGIN_RIGHT){
+	strncpy(tmp, ps_global->VAR_VIEW_MARGIN_RIGHT, sizeof(tmp)-1);
+	tmp[sizeof(tmp)-1] = '\0';
+	removing_leading_and_trailing_white_space(tmp);
+	if(tmp[0]){
+	    l = strlen(tmp);
+	    if(l > 0)
+	      lastchar = tmp[l-1];
+
+	    if(lastchar == 'c')
+	      tmp[l-1] = '\0';
+	    
+	    if((err = strtoval(tmp, &right, 0, 0, 0, e, sizeof(e), "Viewer-margin-right")) != NULL){
+		rightm = 0;
+		dprint((2, "%s\n", err));
+	    }
+	    else{
+		if(lastchar == 'c')
+		  rightm = ps_global->ttyo->screen_cols - right;
+		else
+		  rightm = right;
+		
+		rightm = MIN(MAX(0, rightm), ps_global->ttyo->screen_cols);
+	    }
+	}
+    }
+
+    if((rightm > 0 || leftm > 0) && rightm >= 0 && leftm >= 0
+       && ps_global->ttyo->screen_cols - rightm - leftm >= 8){
+	margin[0] = leftm;
+	margin[1] = rightm;
+    }
+
+    return(margin);
+}
+
+
+/*
+ * Give a margin for help and such
+ */
+int *
+non_messageview_margin(void)
+{
+    static int margin[2];
+
+    margin[0] = 0;
+    margin[1] = 4;
+
+    return(margin);
+}