forked from KolibriOS/kolibrios
tte first working version
git-svn-id: svn://kolibrios.org@7419 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
siemargl
parent
6642abcbb2
commit
6ada1e892f
@ -14,6 +14,9 @@
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Kolibri port by Siemargl 2018
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* my fixes mostly commented with triple comment ///
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* */
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/*** Include section ***/
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@ -41,6 +44,9 @@
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#include <time.h>
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///#include <unistd.h>
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#include <conio.h>
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/*** Define section ***/
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// This mimics the Ctrl + whatever behavior, setting the
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@ -65,7 +71,8 @@
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// Kolibri defaults
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int con_def_wnd_width = 80;
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int con_def_wnd_height = 25;
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/// winFile support
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int fileIsOd0a;
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typedef struct editor_row {
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int idx; // Row own index within the file.
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@ -399,6 +406,7 @@ void die(const char* s) {
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// a descriptive error mesage for it.
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perror(s);
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printf("\r\n");
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con_exit(0); /// KOS console
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exit(1);
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}
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@ -449,82 +457,12 @@ void enableRawMode() {
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}
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/*
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int editorReadKey() {
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int nread;
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char c;
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while ((nread = read(STDIN_FILENO, &c, 1)) != 1) {
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// Ignoring EAGAIN to make it work on Cygwin.
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if (nread == -1 && errno != EAGAIN)
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die("Error reading input");
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}
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// Check escape sequences, if first byte
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// is an escape character then...
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if (c == '\x1b') {
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char seq[3];
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if (read(STDIN_FILENO, &seq[0], 1) != 1 ||
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read(STDIN_FILENO, &seq[1], 1) != 1)
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return '\x1b';
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if (seq[0] == '[') {
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if (seq[1] >= '0' && seq[1] <= '9') {
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if (read(STDIN_FILENO, &seq[2], 1) != 1)
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return '\x1b';
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if (seq[2] == '~') {
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switch (seq[1]) {
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// Home and End keys may be sent in many ways depending on the OS
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// \x1b[1~, \x1b[7~, \x1b[4~, \x1b[8~
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case '1':
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case '7':
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return HOME_KEY;
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case '4':
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case '8':
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return END_KEY;
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// Del key is sent as \x1b[3~
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case '3':
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return DEL_KEY;
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// Page Up and Page Down send '\x1b', '[', '5' or '6' and '~'.
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case '5': return PAGE_UP;
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case '6': return PAGE_DOWN;
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}
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}
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} else {
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switch (seq[1]) {
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// Arrow keys send multiple bytes starting with '\x1b', '[''
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// and followed by an 'A', 'B', 'C' or 'D' depending on which
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// arrow is pressed.
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case 'A': return ARROW_UP;
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case 'B': return ARROW_DOWN;
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case 'C': return ARROW_RIGHT;
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case 'D': return ARROW_LEFT;
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// Home key can also be sent as \x1b[H
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case 'H': return HOME_KEY;
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// End key can also be sent as \x1b[F
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case 'F': return END_KEY;
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}
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}
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} else if (seq[0] == 'O') {
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switch (seq[1]) {
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// Yes, Home key can ALSO be sent as \x1bOH
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case 'H': return HOME_KEY;
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// And... End key as \x1bOF
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case 'F': return END_KEY;
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}
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}
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return '\x1b';
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} else {
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return c;
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}
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}
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*/
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/// by Siemargl rewritten, still Ctrl+ combination works only in english locale, so need analyze scancode
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int editorReadKey() {
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int nread;
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int key = con_getch2();
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if (key == 0)
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die("Window closed by X-button");
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die("Window closed by moused X-button");
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if (0 != (key & 0xff)) {
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key &= 0xff;
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@ -551,6 +489,7 @@ int editorReadKey() {
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return CTRL_KEY('l');
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case 17: // Ctrl+Q
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case 26: // Ctrl+Z
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return CTRL_KEY('q');
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case 19: // Ctrl+S
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@ -1154,7 +1093,8 @@ char* editorRowsToString(int* buf_len) {
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// to each one for the newline character we'll add to
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// the end of each line.
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for (j = 0; j < ec.num_rows; j++) {
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total_len += ec.row[j].size + 1;
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total_len += ec.row[j].size + 1
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+ (fileIsOd0a ? 1:0); /// winFile suppor
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}
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*buf_len = total_len;
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@ -1166,6 +1106,8 @@ char* editorRowsToString(int* buf_len) {
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for (j = 0; j < ec.num_rows; j++) {
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memcpy(p, ec.row[j].chars, ec.row[j].size);
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p += ec.row[j].size;
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/// winFile support
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if (fileIsOd0a) *p++ = '\r';
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*p = '\n';
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p++;
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}
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@ -1190,12 +1132,20 @@ void editorOpen(char* file_name) {
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size_t line_cap = 0;
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// Bigger than int
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int line_len; ///was ssize_t
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fileIsOd0a = 0; /// winFile support
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while ((line_len = getline(&line, &line_cap, file)) != -1) {
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// We already know each row represents one line of text, there's no need
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// to keep carriage return and newline characters.
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if (line_len > 0 && (line[line_len - 1] == '\n' || line[line_len - 1] == '\r'))
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line_len--;
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editorInsertRow(ec.num_rows, line, line_len);
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/// Siemargl fix 0d0a windows file, save format flag
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if (line_len > 0 && line[line_len - 1] == '\r')
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{
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line_len--;
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fileIsOd0a = 1;
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}
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editorInsertRow(ec.num_rows, line, line_len);
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}
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free(line);
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fclose(file);
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@ -1214,30 +1164,12 @@ void editorSave() {
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int len;
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char* buf = editorRowsToString(&len);
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///
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/*
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// We want to create if it doesn't already exist (O_CREAT flag), giving
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// 0644 permissions (the standard ones). O_RDWR stands for reading and
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// writing.
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int fd = open(ec.file_name, O_RDWR | O_CREAT, 0644);
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if (fd != -1) {
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// ftruncate sets the file's size to the specified length.
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if (ftruncate(fd, len) != -1) {
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// Writing the file.
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if (write(fd, buf, len) == len) {
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close(fd);
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free(buf);
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ec.dirty = 0;
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editorSetStatusMessage("%d bytes written to disk", len);
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return;
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}
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}
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close(fd);
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}
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*/
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/// siemargl rewrite using standard FILE stream
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FILE *fd = fopen(ec.file_name,"w+b");
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int rc = -1;
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if (fd) {
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if (fwrite(buf, 1, len, fd) == len) {
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if ((rc = fwrite(buf, 1, len, fd)) == len) {
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fclose(fd);
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free(buf);
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ec.dirty = 0;
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@ -1422,7 +1354,7 @@ void editorDrawStatusBar(struct a_buf* ab) {
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void editorDrawMessageBar(struct a_buf *ab) {
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// Clearing the message bar.
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abufAppend(ab, "\x1b[K", 3);
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/// abufAppend(ab, "\x1b[K", 3); /// not work in Kolibri
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int msg_len = strlen(ec.status_msg);
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if (msg_len > ec.screen_cols)
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msg_len = ec.screen_cols;
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@ -1509,7 +1441,7 @@ void editorDrawRows(struct a_buf* ab) {
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}
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} else if (highlight[j] == HL_NORMAL) {
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if (current_color != -1) {
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abufAppend(ab, "\x1b[39m", 5);
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abufAppend(ab, "\x1b[m", 3); /// was [39, 5
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current_color = -1;
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}
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abufAppend(ab, &c[j], 1);
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@ -1527,11 +1459,11 @@ void editorDrawRows(struct a_buf* ab) {
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abufAppend(ab, &c[j], 1);
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}
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}
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abufAppend(ab, "\x1b[39m", 5);
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abufAppend(ab, "\x1b[m", 3); /// was [39, 5
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}
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// Redrawing each line instead of the whole screen.
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abufAppend(ab, "\x1b[K", 3);
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/// abufAppend(ab, "\x1b[K", 3); /// not work in Kolibri
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// Addind a new line
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abufAppend(ab, "\r\n", 2);
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}
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@ -1545,20 +1477,25 @@ void editorRefreshScreen() {
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// Hiding the cursor while the screen is refreshing.
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// See http://vt100.net/docs/vt100-ug/chapter3.html#S3.3.4
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// for more info.
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abufAppend(&ab, "\x1b[?25l", 6);
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/// abufAppend(&ab, "\x1b[?25l", 6);
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abufAppend(&ab, "\x1b[H", 3);
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/// full clear because "\x1b[K" not work in Kolibri
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abufAppend(&ab, "\x1b[2J", 4);
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editorDrawRows(&ab);
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editorDrawStatusBar(&ab);
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editorDrawMessageBar(&ab);
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// Moving the cursor where it should be.
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char buf[32];
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snprintf(buf, sizeof(buf), "\x1b[%d;%dH", (ec.cursor_y - ec.row_offset) + 1, (ec.render_x - ec.col_offset) + 1);
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abufAppend(&ab, buf, strlen(buf));
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/// snprintf(buf, sizeof(buf), "\x1b[%d;%dH", (ec.cursor_y - ec.row_offset) + 1, (ec.render_x - ec.col_offset) + 1);
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/// a bit different in Kolibri
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snprintf(buf, sizeof(buf), "\x1b[%d;%dH", (ec.render_x - ec.col_offset), (ec.cursor_y - ec.row_offset));
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abufAppend(&ab, buf, strlen(buf));
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// Showing again the cursor.
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abufAppend(&ab, "\x1b[?25h", 6);
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/// abufAppend(&ab, "\x1b[?25h", 6);
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// Writing all content at once
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/// write(STDOUT_FILENO, ab.buf, ab.len);
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@ -1677,12 +1614,13 @@ void editorProcessKeypress() {
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break;
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case CTRL_KEY('q'):
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if (ec.dirty && quit_times > 0) {
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editorSetStatusMessage("Warning! File has unsaved changes. Press Ctrl-Q %d more time%s to quit", quit_times, quit_times > 1 ? "s" : "");
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editorSetStatusMessage("Warning! File has unsaved changes. Press Ctrl-Q or ^Z %d more time%s to quit", quit_times, quit_times > 1 ? "s" : "");
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quit_times--;
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return;
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}
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editorClearScreen();
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consoleBufferClose();
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con_exit(1); /// KOS console
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exit(0);
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break;
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case CTRL_KEY('s'):
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@ -1788,7 +1726,7 @@ void printHelp() {
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printf("Usage: tte [OPTIONS] [FILE]\n\n");
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printf("\nKEYBINDINGS\n-----------\n\n");
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printf("Keybinding\t\tAction\n\n");
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printf("Ctrl-Q \t\tExit\n");
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printf("Ctrl-Q,^Z \t\tExit\n");
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printf("Ctrl-S \t\tSave\n");
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printf("Ctrl-F \t\tSearch. Esc, enter and arrows to interact once searching\n");
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printf("Ctrl-E \t\tFlip line upwards\n");
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@ -1835,13 +1773,13 @@ int main(int argc, char* argv[]) {
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return 0;
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enableRawMode();
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editorSetStatusMessage(" Ctrl-Q to quit | Ctrl-S to save | (tte -h | --help for more info)");
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editorSetStatusMessage(" Ctrl-Q, ^Z to quit | Ctrl-S to save | (tte -h | --help for more info)");
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while (1) {
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editorRefreshScreen();
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editorProcessKeypress();
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}
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con_exit(0);
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con_exit(1);
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return 0;
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}
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