pre-scrolling
This commit is contained in:
parent
7271dc323d
commit
1713acd5e8
3
.gitignore
vendored
3
.gitignore
vendored
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@ -1 +1,4 @@
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cmake-*
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cmake-*
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CMakeC*
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CMakeF*
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@ -1,6 +1,6 @@
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cmake_minimum_required(VERSION 3.20)
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cmake_minimum_required(VERSION 3.20)
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project(editor)
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project(tted)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD 17)
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add_executable(editor tte.c)
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add_executable(tted tted.c)
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@ -14,7 +14,7 @@
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#include <unistd.h>
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#include <unistd.h>
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/** defines */
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/** defines */
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#define TYREL_VERSION "0.0.1"
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#define TTED_VERSION "0.0.1"
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#define CTRL_KEY(k) ((k) & 0x1f)
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#define CTRL_KEY(k) ((k) & 0x1f)
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enum editorKey {
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enum editorKey {
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@ -38,6 +38,7 @@ typedef struct erow {
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struct editorConfig {
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struct editorConfig {
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int cx, cy;
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int cx, cy;
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int rowoff;
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int screenrows;
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int screenrows;
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int screencols;
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int screencols;
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int numrows;
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int numrows;
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@ -165,9 +166,11 @@ int getWindowSize(int *rows, int *cols) {
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return 0;
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return 0;
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}
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}
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}
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}
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/** Row operations */
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/** Row operations */
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void editorAppendRow(char *s, size_t len) {
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void editorAppendRow(char *s, size_t len) {
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E.row = realloc(E.row, sizeof(erow) * (E.numrows + 1));
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E.row = realloc(E.row, sizeof(erow) * (E.numrows + 1));
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int at = E.numrows;
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int at = E.numrows;
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E.row[at].size = len;
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E.row[at].size = len;
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E.row[at].chars = malloc(len + 1);
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E.row[at].chars = malloc(len + 1);
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@ -177,7 +180,6 @@ void editorAppendRow(char *s, size_t len) {
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}
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}
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/** file i/o */
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/** file i/o */
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void editorOpen(char *filename) {
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void editorOpen(char *filename) {
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FILE *fp = fopen(filename, "r");
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FILE *fp = fopen(filename, "r");
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if (!fp) die("fopen");
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if (!fp) die("fopen");
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@ -185,7 +187,6 @@ void editorOpen(char *filename) {
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char *line = NULL;
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char *line = NULL;
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size_t linecap = 0;
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size_t linecap = 0;
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ssize_t linelen;
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ssize_t linelen;
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linelen = getline(&line, &linecap, fp);
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while ((linelen = getline(&line, &linecap, fp)) != -1) {
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while ((linelen = getline(&line, &linecap, fp)) != -1) {
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while (linelen > 0 && (line[linelen - 1] == '\n' ||
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while (linelen > 0 && (line[linelen - 1] == '\n' ||
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line[linelen - 1] == '\r'))
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line[linelen - 1] == '\r'))
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@ -197,7 +198,6 @@ void editorOpen(char *filename) {
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}
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}
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/** append buffer */
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/** append buffer */
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struct abuf {
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struct abuf {
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char *b;
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char *b;
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@ -226,7 +226,8 @@ void editorDrawRows(struct abuf *ab) {
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if (y >= E.numrows) { // Draw rows after buffer
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if (y >= E.numrows) { // Draw rows after buffer
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if (E.numrows == 0 && y == E.screenrows / 3) {
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if (E.numrows == 0 && y == E.screenrows / 3) {
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char welcome[80];
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char welcome[80];
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int welcomelen = snprintf(welcome, sizeof welcome, "Tyrel Editor -- version %s", TYREL_VERSION);
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int welcomelen = snprintf(welcome, sizeof welcome, "Tyrel Text Editor Deluxe -- version %s",
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TTED_VERSION);
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int padding = (E.screencols - welcomelen) / 2;
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int padding = (E.screencols - welcomelen) / 2;
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if (padding) {
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if (padding) {
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abAppend(ab, "~", 1);
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abAppend(ab, "~", 1);
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@ -330,6 +331,7 @@ void editorProcessKeypress() {
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void initEditor() {
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void initEditor() {
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E.cx = 0;
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E.cx = 0;
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E.cy = 0;
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E.cy = 0;
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E.rowoff = 0;
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E.numrows = 0;
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E.numrows = 0;
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E.row = NULL;
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E.row = NULL;
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if (getWindowSize(&E.screenrows, &E.screencols) == -1) die("getWindowSize");
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if (getWindowSize(&E.screenrows, &E.screencols) == -1) die("getWindowSize");
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