better search and capitalized type names

.gitignore

@@ -1,8 +1,3 @@
 ste
-dbg
-hello
-ste.c.*
-*.bak
-.sconsign*
 .sconsign.dblite
-*.o
+src/*.o

src/fbuffer.c

@@ -4,17 +4,17 @@
 #include <string.h>
 #include <ctype.h>
 
-void bufInit (fbuffer *b)
+void bufInit (FileBuffer *b)
 {
 	b->rw = NULL;
 	b->rownum = 0;
 }
 
 /* Add a row to the file buffer */
-void rowAddLast (fbuffer *b, char *s, int len)
+void rowAddLast (FileBuffer *b, char *s, int len)
 {
 	/* Extend the block of memory containing the lines */
-	row *newr = realloc(b->rw, (b->rownum + 1) * sizeof(row));
+	Row *newr = realloc(b->rw, (b->rownum + 1) * sizeof(Row));
 	//if (newr == NULL) termDie("realloc in rowAddLast");
 	b->rw = newr;
 
@@ -29,7 +29,7 @@ void rowAddLast (fbuffer *b, char *s, int len)
 	b->rownum++;
 }
 
-void rowAddChar (row *rw, char c, int pos)
+void rowAddChar (Row *rw, char c, int pos)
 {
 	/* Check if char is valid */
 	if (!c || (iscntrl(c) && c != '\t')) return;
@@ -49,7 +49,7 @@ void rowAddChar (row *rw, char c, int pos)
 	updateRender(rw);
 }
 
-int rowDeleteChar (row *rw, int select, int pos) // WIP
+int rowDeleteChar (Row *rw, int select, int pos) // WIP
 {
 	/* Check if the character is valid */
 	if (rw->chars[pos - 1] == '\0' && pos) return 0;
@@ -68,7 +68,7 @@ int rowDeleteChar (row *rw, int select, int pos) // WIP
 	return 1;
 }
 
-void rowAddRow (fbuffer *b, int pos, int cur) // WIP; TO DOCUMENT
+void rowAddRow (FileBuffer *b, int pos, int cur) // WIP; TO DOCUMENT
 {
 	/* 	MOVE THE ROWS AWAY */
 	/* add another line to the bottom containing the previous
@@ -83,7 +83,7 @@ void rowAddRow (fbuffer *b, int pos, int cur) // WIP; TO DOCUMENT
 	/* Get the row length at position after the cursor */
 	int len = b->rw[pos].size - cur;
 	/* create a dummy row as the new row souce */
-	row nex = EROW;
+	Row nex = EROW;
 	/* allocate a buffer */
 	char *s = malloc(len + 1);
 	//if (s == NULL) termDie("malloc in rowAddRow s");
@@ -111,7 +111,7 @@ void rowAddRow (fbuffer *b, int pos, int cur) // WIP; TO DOCUMENT
 
 }
 
-void rowFree (row *rw) // WIP
+void rowFree (Row *rw) // WIP
 {
 	/* Free both render and memory strings */
 	free(rw->render);
@@ -122,7 +122,7 @@ void rowFree (row *rw) // WIP
 	rw->utf = 0;
 }
 
-void rowCpy (row *to, row *from) // WIP
+void rowCpy (Row *to, Row *from) // WIP
 {
 	/* Free the destination row (without destroying it) */
 	rowFree(to);
@@ -138,7 +138,7 @@ void rowCpy (row *to, row *from) // WIP
 	updateRender(to);
 }
 
-void rowAppendString (row *rw, char *s, int len)
+void rowAppendString (Row *rw, char *s, int len)
 {
 	/* reallocate the row to accomodate for the added string */
 	char *temp = realloc(rw->chars, rw->size + len + 1);
@@ -152,7 +152,7 @@ void rowAppendString (row *rw, char *s, int len)
 	updateRender(rw);
 }
 
-void rowDeleteRow (fbuffer *b, int pos)
+void rowDeleteRow (FileBuffer *b, int pos)
 {
 	if (b->rownum == 1) return;
 	if (pos >= b->rownum) return;
@@ -163,12 +163,12 @@ void rowDeleteRow (fbuffer *b, int pos)
 	}
 	b->rownum--;
 	rowFree(&b->rw[b->rownum]);
-	row *temp = realloc(b->rw, sizeof(row) * b->rownum);
+	Row *temp = realloc(b->rw, sizeof(Row) * b->rownum);
 	//if (temp == NULL) termDie("realloc in rowDeleteRow");
 	b->rw = temp;
 }
 
-void updateRender (row *rw)
+void updateRender (Row *rw)
 {
 	/* count the special characters
 	 * spaces, utf-8 continuation chars */

src/fbuffer.h

@@ -6,36 +6,36 @@
  * and difference between render and
  * real size of the row 
  * Utf-8 continuation chars */
-typedef struct row {
+typedef struct Row {
 	int size;
 	int r_size;
 	int utf;
 	char *chars;
 	char *render;
-} row;
+} Row;
 
 /* Empty row initializer */
 #define EROW {0, 0, 0, NULL, NULL} 
 
 /* Rows structure (or file buffer)
  * defines rows and teh number of rows */
-typedef struct fbuffer{
-	row *rw;
+typedef struct FileBuffer{
+	Row *rw;
 	int rownum;
-} fbuffer;
+} FileBuffer;
 
-void bufInit (fbuffer *b);
+void bufInit (FileBuffer *b);
 
-void rowAddChar (row *rw, char c, int pos);
-int rowDeleteChar (row *rw, int select, int pos);
-void rowCpy (row *to, row *from);
-void rowAddRow (fbuffer *b, int pos, int cur);
-void rowFree (row *rw);
-void rowAppendString (row *rw, char *s, int len);
-void rowDeleteRow (fbuffer *b, int pos);
-void rowAddLast (fbuffer *b, char *s, int len);
+void rowAddChar (Row *rw, char c, int pos);
+int rowDeleteChar (Row *rw, int select, int pos);
+void rowCpy (Row *to, Row *from);
+void rowAddRow (FileBuffer *b, int pos, int cur);
+void rowFree (Row *rw);
+void rowAppendString (Row *rw, char *s, int len);
+void rowDeleteRow (FileBuffer *b, int pos);
+void rowAddLast (FileBuffer *b, char *s, int len);
 
-void updateRender (row *rw);
+void updateRender (Row *rw);
 
 int isUtf (int c);
 int isCont (int c);

src/ste.c

@@ -13,7 +13,7 @@
 /* defines */
 #define CTRL(k) ((k) & 0x1f) // Control mask modifier
 #define STAT_SIZE 128
-#define SBUF_SIZE 2048
+#define CBUF_SIZE 2048
 
 #define MODE_MASK 0x1
 #define COMMAND_MASK 0x06
@@ -26,10 +26,10 @@
 #define MODIFIED 0x80
 
 // Search buffer
-typedef struct sbuf {
-	char c[SBUF_SIZE];
-	int num;
-} sbuf;
+typedef struct CharBuffer {
+	char c[CBUF_SIZE];
+	int num, cur;
+} CharBuffer;
 
 /* main data structure containing:
  *	-cursor position
@@ -56,10 +56,10 @@ struct term {
 	char statusbar[STAT_SIZE];
 	int pad;
 	char mode_b;
-	sbuf search_buffer;
+	CharBuffer search_buffer;
 } t;
 
-fbuffer rows;
+FileBuffer rows;
 
 const char *msg[] = {
 					"Find: ",
@@ -93,9 +93,12 @@ static void handleDel (int select);
 /* testing */
 static void updateInfo (void);
 static int whatsThat (void);
-static void insert (sbuf *buf, int c);
-static inline void flush (sbuf *buf);
-static void pop (sbuf *buf);
+
+static void sbInsert (CharBuffer *buf, int c);
+static inline void sbFlush (CharBuffer *buf);
+static void sbPop (CharBuffer *buf);
+static void sbMove (CharBuffer *buf, int x);
+
 
 /* --------------------------------- main ------------------------------------ */
 int main (int argc, char *argv[])
@@ -133,7 +136,17 @@ int main (int argc, char *argv[])
 			case (KEY_RIGHT):
 			case (KEY_UP):
 			case (KEY_DOWN):
+				if ((t.mode_b & MODE_MASK) == NORMAL_M)
 					cursorMove(c);
+				else
+					switch (c) {
+						case (KEY_LEFT):
+							sbMove(&t.search_buffer, -1);
+							break;
+						case (KEY_RIGHT):
+							sbMove(&t.search_buffer, 1);
+							break;
+					}
 				break;
 
 			case (KEY_BACKSPACE):
@@ -141,7 +154,7 @@ int main (int argc, char *argv[])
 				if ((t.mode_b & MODE_MASK) == NORMAL_M)
 					handleDel(c);
 				else
-					pop(&t.search_buffer);
+					sbPop(&t.search_buffer);
 				break;
 
 			case (KEY_ENTER):
@@ -155,7 +168,7 @@ int main (int argc, char *argv[])
 					editorFind(t.search_buffer.c, &t.cur.y, &t.cur.x);
 					// Toggle mode
 					t.mode_b ^= MODE_MASK;
-					flush (&t.search_buffer);
+					sbFlush (&t.search_buffer);
 				}
 				break;
 
@@ -170,7 +183,7 @@ int main (int argc, char *argv[])
 			case (CTRL('f')):
 				// Toggle mode
 				t.mode_b ^= MODE_MASK;
-				flush (&t.search_buffer);
+				sbFlush (&t.search_buffer);
 
 				break;
 
@@ -181,7 +194,7 @@ int main (int argc, char *argv[])
 					rowAddChar(&rows.rw[t.cur.y], c, t.cur.x);
 					t.cur.x++;
 				} else {
-					insert(&t.search_buffer, c);
+					sbInsert(&t.search_buffer, c);
 				}
 				break;
 		}
@@ -232,6 +245,9 @@ void termInit (void)
 	/* Initialize the data staructure */
 	t.cur.x = t.cur.off_x = 0;
 	t.cur.y = t.cur.off_y = 0;
+
+	t.search_buffer.cur = 0;
+	t.search_buffer.num = 0;
 }
 
 /* Calculate the correct spacing for the line numbers
@@ -589,7 +605,7 @@ int editorFind (const char* needle, int *y, int *x)
 	}
 	if (res == NULL) return 0;
 
-	/* If something wa found convert from pointer to yx coodinates */
+	/* If something was found convert from pointer to yx coodinates */
 	*y = c = i;
 	for (i = 0; i <= rows.rw[c].size; i++)
 		if (&rows.rw[c].chars[i] == res) break;
@@ -597,20 +613,31 @@ int editorFind (const char* needle, int *y, int *x)
 	return 1;
 }
 
-void insert (sbuf *buf, int c)
+void sbMove (CharBuffer *buf, int x) {
+	buf->cur += (x);
+	if (buf->cur < 0) buf->cur = 0;
+	if (buf->cur >= buf->num) buf->cur = buf->num - 1;
+} 
+
+void sbInsert (CharBuffer *buf, int c)
 {
-	if (buf->num < SBUF_SIZE - 2)
-		buf->c[buf->num++] = c;
-	buf->c[buf->num] = '\0';
+	if (buf->num < CBUF_SIZE - 2) {
+		buf->c[buf->cur++] = c;
+		buf->c[++(buf->num)] = '\0';
+	}
 }
 
-void flush (sbuf *buf)
+void sbFlush (CharBuffer *buf)
 {
 	buf->num = 0;
+	buf->cur = 0;
 }
 
-void pop (sbuf *buf)
+void sbPop (CharBuffer *buf)
 {
-	if (buf->num) buf->c[--(buf->num)] = '\0';
+	if (buf->num) {
+		buf->c[--(buf->num)] = '\0';
+		sbMove(buf, -1);
+	}
 }
 /*--------------------------------- testing ------------------------------------*/