working render of unicode characters

everything is to document and I left a lot of
garbage comments :p

src/config.h

@@ -2,5 +2,6 @@
 #define _CONFIG_H_
 
 #define TABSIZE 4 // Tab size as used in render
+#define MAX_LINE 1024 // maximum line length on screen
 
 #endif

src/fbuffer.c

@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
+#include <wchar.h>
 
 void bufInit (FileBuffer *b)
 {
@@ -172,11 +173,27 @@ void updateRender (Row *rw)
 {
 	/* count the special characters
 	 * spaces, utf-8 continuation chars */
-	static int tabs, i, off, cc, ut;
+	static int tabs, i, off/*, utf_width, utf_chars*/;
-	for (i = 0, tabs = 0, cc = 0, ut = 0; i < rw->size; i++) {
+	//static wchar_t wc_tmp;
+	//static char *mb_p;
+
+	tabs = 0;
+	//utf_width = 0;
+	//utf_chars = 0;
+
+	for (i = 0; i < rw->size; i++) {
 		if (rw->chars[i] == '\t') tabs++;
-		else if (isCont(rw->chars[i])) cc++;
+
-		else if (isUtf(rw->chars[i])) ut++;
+		/*else if (isStart(rw->chars[i])) {
+				utf_chars++;
+				wc_tmp = 0;
+				mb_p = &rw->chars[i];
+				//int utf_len = mblen(mb_p, rw->size - i);
+
+				mbtowc(&wc_tmp, mb_p, rw->size - i);
+				utf_width += wcwidth(wc_tmp);
+				//utf_len += utf_chars;
+		} */
 	}
 	rw->render = NULL;
 	free(rw->render);
@@ -200,6 +217,6 @@ void updateRender (Row *rw)
 		}
 	}
 	rw->render[off] = '\0';
-	rw->r_size = off - cc;
+	rw->r_size = off;
-	rw->utf = cc + ut;
+	//rw->utf = utf_width - utf_chars;
-}
+}

src/fbuffer.h

@@ -1,6 +1,8 @@
 #ifndef _FBUFFER_H_
 #define _FBUFFER_H_
-
+#ifndef _XOPEN_SOURCE 
+	#define _XOPEN_SOURCE       /* See feature_test_macros(7) */
+#endif
 /* Row structure, defines actual and
  * render chars, actual and render size
  * and difference between render and

src/ste.c

@@ -6,6 +6,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <locale.h>
+#include <wchar.h>
 
 #include "fbuffer.h"
 #include "config.h"
@@ -14,6 +15,7 @@
 #define CTRL(k) ((k) & 0x1f) // Control mask modifier
 #define STAT_SIZE 128
 #define CBUF_SIZE 2048
+#define MAX_LINE 1024
 
 #define MODE_MASK 0x1
 #define COMMAND_MASK 0x06
@@ -103,6 +105,10 @@ static void sbMove (CharBuffer *buf, int x);
 /* --------------------------------- main ------------------------------------ */
 int main (int argc, char *argv[])
 {
+	/* Init locales */
+	setlocale(LC_ALL, "");
+	setlocale(LC_CTYPE, "");
+
 	/* Initialize the first row */
 	bufInit(&rows);
 
@@ -210,9 +216,6 @@ int main (int argc, char *argv[])
 
 void termInit (void)
 {
-	/* Init locales */
-	setlocale(LC_ALL, "");
-	
 	/* Init the screen and refresh */
 	initscr();
 	refresh();
@@ -324,9 +327,17 @@ void drawLines (void)
 			/* Draw the line matcing render memory */
 			if (&rows.rw[ln] == NULL) termDie("drawlines NULL");
 			if (rows.rw[ln].r_size > t.cur.off_x) {
+				
 				start = t.cur.off_x;
-				while (isCont(rows.rw[ln].render[start])) start++; 
+				while (isCont(rows.rw[ln].render[start])) start++;
-				addnstr(&rows.rw[ln].render[start], (t.dim.x + 1) + (rows.rw[ln].utf >> 2));
+				
+				static wchar_t converted_line[MAX_LINE];
+				static int x = 0;
+				for (x = 0; x < MAX_LINE; x++) converted_line[x] = 0;
+				mbstowcs(converted_line, &rows.rw[ln].render[start], MAX_LINE);
+				addnwstr(converted_line, t.dim.x + 1);
+				
+				//addnstr(&rows.rw[ln].render[start], (t.dim.x + 1) + rows.rw[ln].utf);
 			}
 		}
 		lnMove(i + 1, 0);
@@ -354,9 +365,9 @@ void drawBar (char *s)
 	for (i = len; i <= t.dim.x + t.pad; i++)
 		mvaddch(t.dim.y, i, ' ');
 
-	static char m[40];
+	static char right_message[40];
-	sprintf(m, "x: %d y: %d Zoom: %c", t.cur.x, t.cur.y, whatsThat());
+	sprintf(right_message, "x: %d y: %d Zoom: %c", t.cur.x, t.cur.y, whatsThat());
-	mvaddstr(t.dim.y, t.dim.x + t.pad - strlen(m), m);
+	mvaddstr(t.dim.y, t.dim.x + t.pad - strlen(right_message), right_message);
 
 	/* Return to normal contrast mode */
 	attroff(COLOR_PAIR(2));