tyrel/tted
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This commit is contained in:
Tyrel Souza 2021-10-21 00:20:56 -04:00
parent 7271dc323d
commit 1713acd5e8
3 changed files with 16 additions and 11 deletions
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3
.gitignore vendored
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@ -1 +1,4 @@
cmake-* cmake-*
CMakeC*
CMakeF*

4
CMakeLists.txt
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@ -1,6 +1,6 @@
cmake_minimum_required(VERSION 3.20) cmake_minimum_required(VERSION 3.20)
project(editor) project(tted)
set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD 17)
add_executable(editor tte.c) add_executable(tted tted.c)

18
tte.c → tted.c
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@ -14,7 +14,7 @@
#include <unistd.h> #include <unistd.h>
/** defines */ /** defines */
#define TYREL_VERSION "0.0.1" #define TTED_VERSION "0.0.1"
#define CTRL_KEY(k) ((k) & 0x1f) #define CTRL_KEY(k) ((k) & 0x1f)
enum editorKey { enum editorKey {
@ -38,6 +38,7 @@ typedef struct erow {
struct editorConfig { struct editorConfig {
int cx, cy; int cx, cy;
int rowoff;
int screenrows; int screenrows;
int screencols; int screencols;
int numrows; int numrows;
@ -165,19 +166,20 @@ int getWindowSize(int *rows, int *cols) {
return 0; return 0;
} }
} }
/** Row operations */ /** Row operations */
void editorAppendRow(char *s, size_t len) { void editorAppendRow(char *s, size_t len) {
E.row = realloc(E.row, sizeof(erow) * (E.numrows+1)); E.row = realloc(E.row, sizeof(erow) * (E.numrows + 1));
int at = E.numrows; int at = E.numrows;
E.row[at].size = len; E.row[at].size = len;
E.row[at].chars = malloc(len+1); E.row[at].chars = malloc(len + 1);
memcpy(E.row[at].chars, s, len); memcpy(E.row[at].chars, s, len);
E.row[at].chars[len] = '\0'; E.row[at].chars[len] = '\0';
E.numrows++; E.numrows++;
} }
/** file i/o */ /** file i/o */
void editorOpen(char *filename) { void editorOpen(char *filename) {
FILE *fp = fopen(filename, "r"); FILE *fp = fopen(filename, "r");
if (!fp) die("fopen"); if (!fp) die("fopen");
@ -185,8 +187,7 @@ void editorOpen(char *filename) {
char *line = NULL; char *line = NULL;
size_t linecap = 0; size_t linecap = 0;
ssize_t linelen; ssize_t linelen;
linelen = getline(&line, &linecap, fp); while ((linelen = getline(&line, &linecap, fp)) != -1) {
while((linelen = getline(&line, &linecap, fp)) != -1) {
while (linelen > 0 && (line[linelen - 1] == '\n' || while (linelen > 0 && (line[linelen - 1] == '\n' ||
line[linelen - 1] == '\r')) line[linelen - 1] == '\r'))
linelen--; linelen--;
@ -197,7 +198,6 @@ void editorOpen(char *filename) {
} }
/** append buffer */ /** append buffer */
struct abuf { struct abuf {
char *b; char *b;
@ -226,7 +226,8 @@ void editorDrawRows(struct abuf *ab) {
if (y >= E.numrows) { // Draw rows after buffer if (y >= E.numrows) { // Draw rows after buffer
if (E.numrows == 0 && y == E.screenrows / 3) { if (E.numrows == 0 && y == E.screenrows / 3) {
char welcome[80]; char welcome[80];
int welcomelen = snprintf(welcome, sizeof welcome, "Tyrel Editor -- version %s", TYREL_VERSION); int welcomelen = snprintf(welcome, sizeof welcome, "Tyrel Text Editor Deluxe -- version %s",
TTED_VERSION);
int padding = (E.screencols - welcomelen) / 2; int padding = (E.screencols - welcomelen) / 2;
if (padding) { if (padding) {
abAppend(ab, "~", 1); abAppend(ab, "~", 1);
@ -330,6 +331,7 @@ void editorProcessKeypress() {
void initEditor() { void initEditor() {
E.cx = 0; E.cx = 0;
E.cy = 0; E.cy = 0;
E.rowoff = 0;
E.numrows = 0; E.numrows = 0;
E.row = NULL; E.row = NULL;
if (getWindowSize(&E.screenrows, &E.screencols) == -1) die("getWindowSize"); if (getWindowSize(&E.screenrows, &E.screencols) == -1) die("getWindowSize");