clobber distclean:: CLEAN_RECURSE=
clobber distclean:: clean
$(RM) -r .objs* $(DISTCLEANFILES)
+ @[ -f Makefile.in ] && $(RM) Makefile
ifeq (".","$(DEPTH)")
clobber distclean::
#include "roteprivate.h"
#include "inject_csi.h"
-static void cursor_line_down(RoteTerm *rt) {
- int i;
- rt->crow++;
- rt->curpos_dirty = true;
- if (rt->crow <= rt->pd->scrollbottom) return;
-
- /* must scroll the scrolling region up by 1 line, and put cursor on
- * last line of it */
- rt->crow = rt->pd->scrollbottom;
-
- for (i = rt->pd->scrolltop; i < rt->pd->scrollbottom; i++) {
- rt->line_dirty[i] = true;
- memcpy(rt->cells[i], rt->cells[i+1], sizeof(RoteCell) * rt->cols);
- }
-
- rt->line_dirty[rt->pd->scrollbottom] = true;
-
- /* clear last row of the scrolling region */
- for (i = 0; i < rt->cols; i++) {
- rt->cells[rt->pd->scrollbottom][i].ch = 0x20;
- rt->cells[rt->pd->scrollbottom][i].attr = 0x70;
- }
+static void cursor_line_down(RoteTerm *rt)
+{
+ int i;
+ rt->crow++;
+ rt->curpos_dirty = true;
+ if (rt->crow <= rt->pd->scrollbottom) return;
+
+ /* must scroll the scrolling region up by 1 line, and put cursor on
+ * last line of it */
+ rt->crow = rt->pd->scrollbottom;
+
+ for (i = rt->pd->scrolltop; i < rt->pd->scrollbottom; i++) {
+ rt->line_dirty[i] = true;
+ memcpy(rt->cells[i], rt->cells[i+1], sizeof(RoteCell) * rt->cols);
+ }
+
+ rt->line_dirty[rt->pd->scrollbottom] = true;
+
+ /* clear last row of the scrolling region */
+ for (i = 0; i < rt->cols; i++) {
+ rt->cells[rt->pd->scrollbottom][i].ch = 0x20;
+ rt->cells[rt->pd->scrollbottom][i].attr = 0x70;
+ }
}
-static void cursor_line_up(RoteTerm *rt) {
- int i;
- rt->crow--;
- rt->curpos_dirty = true;
- if (rt->crow >= rt->pd->scrolltop) return;
-
- /* must scroll the scrolling region up by 1 line, and put cursor on
- * first line of it */
- rt->crow = rt->pd->scrolltop;
-
- for (i = rt->pd->scrollbottom; i > rt->pd->scrolltop; i--) {
- rt->line_dirty[i] = true;
- memcpy(rt->cells[i], rt->cells[i-1], sizeof(RoteCell) * rt->cols);
- }
-
- rt->line_dirty[rt->pd->scrolltop] = true;
-
- /* clear first row of the scrolling region */
- for (i = 0; i < rt->cols; i++) {
- rt->cells[rt->pd->scrolltop][i].ch = 0x20;
- rt->cells[rt->pd->scrolltop][i].attr = 0x70;
- }
+static void cursor_line_up(RoteTerm *rt)
+{
+ int i;
+ rt->crow--;
+ rt->curpos_dirty = true;
+ if (rt->crow >= rt->pd->scrolltop) return;
+
+ /* must scroll the scrolling region up by 1 line, and put cursor on
+ * first line of it */
+ rt->crow = rt->pd->scrolltop;
+
+ for (i = rt->pd->scrollbottom; i > rt->pd->scrolltop; i--) {
+ rt->line_dirty[i] = true;
+ memcpy(rt->cells[i], rt->cells[i-1], sizeof(RoteCell) * rt->cols);
+ }
+
+ rt->line_dirty[rt->pd->scrolltop] = true;
+
+ /* clear first row of the scrolling region */
+ for (i = 0; i < rt->cols; i++) {
+ rt->cells[rt->pd->scrolltop][i].ch = 0x20;
+ rt->cells[rt->pd->scrolltop][i].attr = 0x70;
+ }
}
-static inline void put_normal_char(RoteTerm *rt, char c) {
- if (rt->ccol >= rt->cols) {
- rt->ccol = 0;
- cursor_line_down(rt);
- }
+static inline void put_normal_char(RoteTerm *rt, char c)
+{
+ if (rt->ccol >= rt->cols) {
+ rt->ccol = 0;
+ cursor_line_down(rt);
+ }
- if (rt->insert) {
- int i;
+ if (rt->insert) {
+ int i;
- for(i = rt->cols - 1; i >= rt->ccol+1; i--)
- rt->cells[rt->crow][i] = rt->cells[rt->crow][i-1];
- }
+ for(i = rt->cols - 1; i >= rt->ccol+1; i--)
+ rt->cells[rt->crow][i] = rt->cells[rt->crow][i-1];
+ }
- rt->cells[rt->crow][rt->ccol].ch = c;
- rt->cells[rt->crow][rt->ccol].attr = rt->curattr;
- rt->ccol++;
+ rt->cells[rt->crow][rt->ccol].ch = c;
+ rt->cells[rt->crow][rt->ccol].attr = rt->curattr;
+ rt->ccol++;
- rt->line_dirty[rt->crow] = true;
- rt->curpos_dirty = true;
+ rt->line_dirty[rt->crow] = true;
+ rt->curpos_dirty = true;
}
-static inline void put_graphmode_char(RoteTerm *rt, char c) {
- char nc;
- /* do some very pitiful translation to regular ascii chars */
- switch (c) {
+static inline void put_graphmode_char(RoteTerm *rt, char c)
+{
+ char nc;
+ /* do some very pitiful translation to regular ascii chars */
+ switch (c) {
case 'j': case 'k': case 'l': case 'm': case 'n': case 't':
- case 'u': case 'v': case 'w':
- nc = '+'; break;
+ case 'u': case 'v': case 'w':
+ nc = '+'; break;
case 'x':
- nc = '|'; break;
+ nc = '|'; break;
default:
- nc = '%';
- }
+ nc = '%';
+ }
- put_normal_char(rt, nc);
+ put_normal_char(rt, nc);
}
-static inline void new_escape_sequence(RoteTerm *rt) {
- rt->pd->escaped = true;
- rt->pd->esbuf_len = 0;
- rt->pd->esbuf[0] = '\0';
+static inline void new_escape_sequence(RoteTerm *rt)
+{
+ rt->pd->escaped = true;
+ rt->pd->esbuf_len = 0;
+ rt->pd->esbuf[0] = '\0';
}
-static inline void cancel_escape_sequence(RoteTerm *rt) {
- rt->pd->escaped = false;
- rt->pd->esbuf_len = 0;
- rt->pd->esbuf[0] = '\0';
+static inline void cancel_escape_sequence(RoteTerm *rt)
+{
+ rt->pd->escaped = false;
+ rt->pd->esbuf_len = 0;
+ rt->pd->esbuf[0] = '\0';
}
-static void handle_control_char(RoteTerm *rt, char c) {
- switch (c) {
+static void handle_control_char(RoteTerm *rt, char c)
+{
+ switch (c) {
case '\r': rt->ccol = 0; break; /* carriage return */
case '\n': /* line feed */
- rt->ccol = 0; cursor_line_down(rt);
- rt->curpos_dirty = true;
- break;
+ rt->ccol = 0; cursor_line_down(rt);
+ rt->curpos_dirty = true;
+ break;
case '\b': /* backspace */
- if (rt->ccol > 0) rt->ccol--;
- rt->curpos_dirty = true;
- break;
+ if (rt->ccol > 0) rt->ccol--;
+ rt->curpos_dirty = true;
+ break;
case '\t': /* tab */
- rt->ccol += 8 - (rt->ccol % 8);
- clamp_cursor_to_bounds(rt);
- break;
+ rt->ccol += 8 - (rt->ccol % 8);
+ clamp_cursor_to_bounds(rt);
+ break;
case '\x1B': /* begin escape sequence (aborting previous one if any) */
- new_escape_sequence(rt);
- break;
+ new_escape_sequence(rt);
+ break;
case '\x0E': /* enter graphical character mode */
- rt->pd->graphmode = true;
- break;
+ rt->pd->graphmode = true;
+ break;
case '\x0F': /* exit graphical character mode */
- rt->pd->graphmode = false;
- break;
+ rt->pd->graphmode = false;
+ break;
case '\x9B': /* CSI character. Equivalent to ESC [ */
- new_escape_sequence(rt);
- rt->pd->esbuf[rt->pd->esbuf_len++] = '[';
- break;
+ new_escape_sequence(rt);
+ rt->pd->esbuf[rt->pd->esbuf_len++] = '[';
+ break;
case '\x18': case '\x1A': /* these interrupt escape sequences */
- cancel_escape_sequence(rt);
- break;
+ cancel_escape_sequence(rt);
+ break;
case '\a': /* bell */
- /* do nothing for now... maybe a visual bell would be nice? */
- break;
- #ifdef DEBUG
+ /* do nothing for now... maybe a visual bell would be nice? */
+ break;
+#ifdef DEBUG
default:
- fprintf(stderr, "Unrecognized control char: %d (^%c)\n", c, c + '@');
- break;
- #endif
- }
+ fprintf(stderr, "Unrecognized control char: %d (^%c)\n", c, c + '@');
+ break;
+#endif
+ }
}
-static inline bool is_valid_csi_ender(char c) {
- return (c >= 'a' && c <= 'z') ||
- (c >= 'A' && c <= 'Z') ||
- c == '@' || c == '`';
+static inline bool is_valid_csi_ender(char c)
+{
+ return (c >= 'a' && c <= 'z') ||
+ (c >= 'A' && c <= 'Z') ||
+ c == '@' || c == '`';
}
-static void try_interpret_escape_seq(RoteTerm *rt) {
- char firstchar = rt->pd->esbuf[0];
- char lastchar = rt->pd->esbuf[rt->pd->esbuf_len-1];
-
- if (!firstchar) return; /* too early to do anything */
-
- if (rt->pd->handler) {
- /* call custom handler */
- #ifdef DEBUG
- fprintf(stderr, "Calling custom handler for ES <%s>.\n", rt->pd->esbuf);
- #endif
-
- int answer = (*(rt->pd->handler))(rt, rt->pd->esbuf);
- if (answer == ROTE_HANDLERESULT_OK) {
- /* successfully handled */
- #ifdef DEBUG
- fprintf(stderr, "Handler returned OK. Done with escape sequence.\n");
- #endif
-
- cancel_escape_sequence(rt);
- return;
- }
- else if (answer == ROTE_HANDLERESULT_NOTYET) {
- /* handler might handle it when more characters are appended to
- * it. So for now we don't interpret it */
- #ifdef DEBUG
- fprintf(stderr, "Handler returned NOTYET. Waiting for more chars.\n");
- #endif
-
- return;
- }
-
- /* If we got here then answer == ROTE_HANDLERESULT_NOWAY */
- /* handler said it can't handle that escape sequence,
- * but we can still try handling it ourselves, so
- * we proceed normally. */
- #ifdef DEBUG
- fprintf(stderr, "Handler returned NOWAY. Trying our handlers.\n");
- #endif
- }
-
- /* interpret ESC-M as reverse line-feed */
- if (firstchar == 'M') {
- cursor_line_up(rt);
- cancel_escape_sequence(rt);
- return;
- }
-
- if (firstchar != '[' && firstchar != ']') {
- /* unrecognized escape sequence. Let's forget about it. */
- #ifdef DEBUG
- fprintf(stderr, "Unrecognized ES: <%s>\n", rt->pd->esbuf);
- #endif
-
- cancel_escape_sequence(rt);
- return;
- }
-
- if (firstchar == '[' && is_valid_csi_ender(lastchar)) {
- /* we have a csi escape sequence: interpret it */
- rote_es_interpret_csi(rt);
- cancel_escape_sequence(rt);
- }
- else if (firstchar == ']' && lastchar == '\a') {
- /* we have an xterm escape sequence: interpret it */
-
- /* rote_es_interpret_xterm_es(rt); -- TODO!*/
- #ifdef DEBUG
- fprintf(stderr, "Ignored XTerm ES.\n");
- #endif
- cancel_escape_sequence(rt);
- }
-
- /* if the escape sequence took up all available space and could
- * not yet be parsed, abort it */
- if (rt->pd->esbuf_len + 1 >= ESEQ_BUF_SIZE) cancel_escape_sequence(rt);
+static void try_interpret_escape_seq(RoteTerm *rt)
+{
+ char firstchar = rt->pd->esbuf[0];
+ char lastchar = rt->pd->esbuf[rt->pd->esbuf_len-1];
+
+ if (!firstchar) return; /* too early to do anything */
+
+ if (rt->pd->handler) {
+ /* call custom handler */
+#ifdef DEBUG
+ fprintf(stderr, "Calling custom handler for ES <%s>.\n", rt->pd->esbuf);
+#endif
+
+ int answer = (*(rt->pd->handler))(rt, rt->pd->esbuf);
+ if (answer == ROTE_HANDLERESULT_OK) {
+ /* successfully handled */
+#ifdef DEBUG
+ fprintf(stderr, "Handler returned OK. Done with escape sequence.\n");
+#endif
+
+ cancel_escape_sequence(rt);
+ return;
+ }
+ else if (answer == ROTE_HANDLERESULT_NOTYET) {
+ /* handler might handle it when more characters are appended to
+ * it. So for now we don't interpret it */
+#ifdef DEBUG
+ fprintf(stderr, "Handler returned NOTYET. Waiting for more chars.\n");
+#endif
+
+ return;
+ }
+
+ /* If we got here then answer == ROTE_HANDLERESULT_NOWAY */
+ /* handler said it can't handle that escape sequence,
+ * but we can still try handling it ourselves, so
+ * we proceed normally. */
+#ifdef DEBUG
+ fprintf(stderr, "Handler returned NOWAY. Trying our handlers.\n");
+#endif
+ }
+
+ /* interpret ESC-M as reverse line-feed */
+ if (firstchar == 'M') {
+ cursor_line_up(rt);
+ cancel_escape_sequence(rt);
+ return;
+ }
+
+ if (firstchar != '[' && firstchar != ']') {
+ /* unrecognized escape sequence. Let's forget about it. */
+#ifdef DEBUG
+ fprintf(stderr, "Unrecognized ES: <%s>\n", rt->pd->esbuf);
+#endif
+
+ cancel_escape_sequence(rt);
+ return;
+ }
+
+ if (firstchar == '[' && is_valid_csi_ender(lastchar)) {
+ /* we have a csi escape sequence: interpret it */
+ rote_es_interpret_csi(rt);
+ cancel_escape_sequence(rt);
+ }
+ else if (firstchar == ']' && lastchar == '\a') {
+ /* we have an xterm escape sequence: interpret it */
+
+ /* rote_es_interpret_xterm_es(rt); -- TODO!*/
+#ifdef DEBUG
+ fprintf(stderr, "Ignored XTerm ES.\n");
+#endif
+ cancel_escape_sequence(rt);
+ }
+
+ /* if the escape sequence took up all available space and could
+ * not yet be parsed, abort it */
+ if (rt->pd->esbuf_len + 1 >= ESEQ_BUF_SIZE) cancel_escape_sequence(rt);
}
-
-void rote_vt_inject(RoteTerm *rt, const char *data, int len) {
- int i;
- for (i = 0; i < len; i++, data++) {
- if (*data == 0) continue; /* completely ignore NUL */
- if (*data >= 1 && *data <= 31) {
- handle_control_char(rt, *data);
- continue;
- }
-
- if (rt->pd->escaped && rt->pd->esbuf_len < ESEQ_BUF_SIZE) {
- /* append character to ongoing escape sequence */
- rt->pd->esbuf[rt->pd->esbuf_len] = *data;
- rt->pd->esbuf[++rt->pd->esbuf_len] = 0;
-
- try_interpret_escape_seq(rt);
- }
- else if (rt->pd->graphmode)
- put_graphmode_char(rt, *data);
- else
- put_normal_char(rt, *data);
- }
+
+void rote_vt_inject(RoteTerm *rt, const char *data, int len)
+{
+ int i;
+ for (i = 0; i < len; i++, data++) {
+ if (*data == 0) continue; /* completely ignore NUL */
+ if (*data >= 1 && *data <= 31) {
+ handle_control_char(rt, *data);
+ continue;
+ }
+
+ if (rt->pd->escaped && rt->pd->esbuf_len < ESEQ_BUF_SIZE) {
+ /* append character to ongoing escape sequence */
+ rt->pd->esbuf[rt->pd->esbuf_len] = *data;
+ rt->pd->esbuf[++rt->pd->esbuf_len] = 0;
+
+ try_interpret_escape_seq(rt);
+ }
+ else if (rt->pd->graphmode)
+ put_graphmode_char(rt, *data);
+ else
+ put_normal_char(rt, *data);
+ }
}
#include "roteprivate.h"
#define MAX_CSI_ES_PARAMS 32
-
+
/* interprets a 'set attribute' (SGR) CSI escape sequence */
-static void interpret_csi_SGR(RoteTerm *rt, int param[], int pcount) {
- int i;
-
- if (pcount == 0) {
- /* special case: reset attributes */
- rt->curattr = 0x70;
- return;
- }
-
- for (i = 0; i < pcount; i++) {
-
-// From http://vt100.net/docs/vt510-rm/SGR table 5-16
-// 0 All attributes off
-// 1 Bold
-// 4 Underline
-// 5 Blinking
-// 7 Negative image
-// 8 Invisible image
-// 10 The ASCII character set is the current 7-bit
-// display character set (default) - SCO Console only.
-// 11 Map Hex 00-7F of the PC character set codes
-// to the current 7-bit display character set
-// - SCO Console only.
-// 12 Map Hex 80-FF of the current character set to
-// the current 7-bit display character set - SCO
-// Console only.
-// 22 Bold off
-// 24 Underline off
-// 25 Blinking off
-// 27 Negative image off
-// 28 Invisible image off
-
- if (param[i] == 0) rt->curattr = 0x70;
- else if (param[i] == 1 || param[i] == 2 || param[i] == 4) /* set bold */
- ROTE_ATTR_MOD_BOLD(rt->curattr,1);
- else if (param[i] == 5) /* set blink */
- ROTE_ATTR_MOD_BLINK(rt->curattr,1);
- else if (param[i] == 7 || param[i] == 27) { /* reverse video */
- int fg = ROTE_ATTR_FG(rt->curattr);
- int bg = ROTE_ATTR_BG(rt->curattr);
- ROTE_ATTR_MOD_FG(rt->curattr, bg);
- ROTE_ATTR_MOD_BG(rt->curattr, fg);
- }
- else if (param[i] == 8) rt->curattr = 0x0; /* invisible */
- else if (param[i] == 22 || param[i] == 24) /* bold off */
- ROTE_ATTR_MOD_BOLD(rt->curattr,0);
- else if (param[i] == 25) /* blink off */
- ROTE_ATTR_MOD_BLINK(rt->curattr,0);
- else if (param[i] == 28) /* invisible off */
+static void interpret_csi_SGR(RoteTerm *rt, int param[], int pcount)
+{
+ int i;
+
+ if (pcount == 0) {
+ /* special case: reset attributes */
rt->curattr = 0x70;
- else if (param[i] >= 30 && param[i] <= 37) /* set fg */
- ROTE_ATTR_MOD_FG(rt->curattr, param[i] - 30);
- else if (param[i] >= 40 && param[i] <= 47) /* set bg */
- ROTE_ATTR_MOD_BG(rt->curattr, param[i] - 40);
- else if (param[i] == 39) /* reset foreground to default */
- ROTE_ATTR_MOD_FG(rt->curattr, 7);
- else if (param[i] == 49) /* reset background to default */
- ROTE_ATTR_MOD_BG(rt->curattr, 0);
- }
+ return;
+ }
+
+ for (i = 0; i < pcount; i++) {
+
+ // From http://vt100.net/docs/vt510-rm/SGR table 5-16
+ // 0 All attributes off
+ // 1 Bold
+ // 4 Underline
+ // 5 Blinking
+ // 7 Negative image
+ // 8 Invisible image
+ // 10 The ASCII character set is the current 7-bit
+ // display character set (default) - SCO Console only.
+ // 11 Map Hex 00-7F of the PC character set codes
+ // to the current 7-bit display character set
+ // - SCO Console only.
+ // 12 Map Hex 80-FF of the current character set to
+ // the current 7-bit display character set - SCO
+ // Console only.
+ // 22 Bold off
+ // 24 Underline off
+ // 25 Blinking off
+ // 27 Negative image off
+ // 28 Invisible image off
+
+ if (param[i] == 0) rt->curattr = 0x70;
+ else if (param[i] == 1 || param[i] == 2 || param[i] == 4) /* set bold */
+ ROTE_ATTR_MOD_BOLD(rt->curattr,1);
+ else if (param[i] == 5) /* set blink */
+ ROTE_ATTR_MOD_BLINK(rt->curattr,1);
+ else if (param[i] == 7 || param[i] == 27) { /* reverse video */
+ int fg = ROTE_ATTR_FG(rt->curattr);
+ int bg = ROTE_ATTR_BG(rt->curattr);
+ ROTE_ATTR_MOD_FG(rt->curattr, bg);
+ ROTE_ATTR_MOD_BG(rt->curattr, fg);
+ }
+ else if (param[i] == 8) rt->curattr = 0x0; /* invisible */
+ else if (param[i] == 22 || param[i] == 24) /* bold off */
+ ROTE_ATTR_MOD_BOLD(rt->curattr,0);
+ else if (param[i] == 25) /* blink off */
+ ROTE_ATTR_MOD_BLINK(rt->curattr,0);
+ else if (param[i] == 28) /* invisible off */
+ rt->curattr = 0x70;
+ else if (param[i] >= 30 && param[i] <= 37) /* set fg */
+ ROTE_ATTR_MOD_FG(rt->curattr, param[i] - 30);
+ else if (param[i] >= 40 && param[i] <= 47) /* set bg */
+ ROTE_ATTR_MOD_BG(rt->curattr, param[i] - 40);
+ else if (param[i] == 39) /* reset foreground to default */
+ ROTE_ATTR_MOD_FG(rt->curattr, 7);
+ else if (param[i] == 49) /* reset background to default */
+ ROTE_ATTR_MOD_BG(rt->curattr, 0);
+ }
}
/* interprets an 'erase display' (ED) escape sequence */
-static void interpret_csi_ED(RoteTerm *rt, int param[], int pcount) {
- int r, c;
- int start_row, start_col, end_row, end_col;
+static void interpret_csi_ED(RoteTerm *rt, int param[], int pcount)
+{
+ int r, c;
+ int start_row, start_col, end_row, end_col;
- /* decide range */
- if (pcount && param[0] == 2)
- start_row = 0, start_col = 0, end_row = rt->rows - 1,
- end_col = rt->cols - 1;
+ /* decide range */
+ if (pcount && param[0] == 2)
+ start_row = 0, start_col = 0, end_row = rt->rows - 1,
+ end_col = rt->cols - 1;
- else if (pcount && param[0] == 1)
- start_row = 0, start_col = 0, end_row = rt->crow,
- end_col = rt->ccol;
+ else if (pcount && param[0] == 1)
+ start_row = 0, start_col = 0, end_row = rt->crow,
+ end_col = rt->ccol;
- else start_row = rt->crow, start_col = rt->ccol,
+ else start_row = rt->crow, start_col = rt->ccol,
end_row = rt->rows - 1, end_col = rt->cols - 1;
- /* clean range */
- for (r = start_row; r <= end_row; r++) {
- rt->line_dirty[r] = true;
-
- for (c = (r == start_row ? start_col : 0);
- c <= (r == end_row ? end_col : rt->cols - 1);
- c++) {
- rt->cells[r][c].ch = 0x20;
- rt->cells[r][c].attr = rt->curattr;
- }
- }
+ /* clean range */
+ for (r = start_row; r <= end_row; r++) {
+ rt->line_dirty[r] = true;
+
+ for (c = (r == start_row ? start_col : 0);
+ c <= (r == end_row ? end_col : rt->cols - 1);
+ c++) {
+ rt->cells[r][c].ch = 0x20;
+ rt->cells[r][c].attr = rt->curattr;
+ }
+ }
}
/* interprets a 'move cursor' (CUP) escape sequence */
-static void interpret_csi_CUP(RoteTerm *rt, int param[], int pcount) {
- if (pcount == 0) {
- /* special case */
- rt->crow = rt->ccol = 0;
- return;
- }
- else if (pcount < 2) return; /* malformed */
+static void interpret_csi_CUP(RoteTerm *rt, int param[], int pcount)
+{
+ if (pcount == 0) {
+ /* special case */
+ rt->crow = rt->ccol = 0;
+ return;
+ }
+ else if (pcount < 2) return; /* malformed */
- rt->crow = param[0] - 1; /* convert from 1-based to 0-based */
- rt->ccol = param[1] - 1; /* convert from 1-based to 0-based */
+ rt->crow = param[0] - 1; /* convert from 1-based to 0-based */
+ rt->ccol = param[1] - 1; /* convert from 1-based to 0-based */
- rt->curpos_dirty = true;
+ rt->curpos_dirty = true;
- clamp_cursor_to_bounds(rt);
+ clamp_cursor_to_bounds(rt);
}
/* Interpret the 'relative mode' sequences: CUU, CUD, CUF, CUB, CNL,
* CPL, CHA, HPR, VPA, VPR, HPA */
static void interpret_csi_C(RoteTerm *rt, char verb,
- int param[], int pcount) {
- int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int param[], int pcount) {
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
- switch (verb) {
+ switch (verb) {
case 'A': rt->crow -= n; break;
case 'B': case 'e': rt->crow += n; break;
case 'C': case 'a': rt->ccol += n; break;
case 'F': rt->crow -= n; rt->ccol = 0; break;
case 'G': case '`': rt->ccol = param[0] - 1; break;
case 'd': rt->crow = param[0] - 1; break;
- }
+ }
- rt->curpos_dirty = true;
- clamp_cursor_to_bounds(rt);
+ rt->curpos_dirty = true;
+ clamp_cursor_to_bounds(rt);
}
/* Interpret the 'erase line' escape sequence */
-static void interpret_csi_EL(RoteTerm *rt, int param[], int pcount) {
- int erase_start, erase_end, i;
- int cmd = pcount ? param[0] : 0;
+static void interpret_csi_EL(RoteTerm *rt, int param[], int pcount)
+{
+ int erase_start, erase_end, i;
+ int cmd = pcount ? param[0] : 0;
- switch (cmd) {
+ switch (cmd) {
case 1: erase_start = 0; erase_end = rt->ccol; break;
case 2: erase_start = 0; erase_end = rt->cols - 1; break;
default: erase_start = rt->ccol; erase_end = rt->cols - 1; break;
- }
+ }
- for (i = erase_start; i <= erase_end; i++) {
- rt->cells[rt->crow][i].ch = 0x20;
- rt->cells[rt->crow][i].attr = rt->curattr;
- }
+ for (i = erase_start; i <= erase_end; i++) {
+ rt->cells[rt->crow][i].ch = 0x20;
+ rt->cells[rt->crow][i].attr = rt->curattr;
+ }
- rt->line_dirty[rt->crow] = true;
+ rt->line_dirty[rt->crow] = true;
}
/* Interpret the 'insert blanks' sequence (ICH) */
-static void interpret_csi_ICH(RoteTerm *rt, int param[], int pcount) {
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i;
- for (i = rt->cols - 1; i >= rt->ccol + n; i--)
- rt->cells[rt->crow][i] = rt->cells[rt->crow][i - n];
- for (i = rt->ccol; i < rt->ccol + n; i++) {
- rt->cells[rt->crow][i].ch = 0x20;
- rt->cells[rt->crow][i].attr = rt->curattr;
- }
-
- rt->line_dirty[rt->crow] = true;
+static void interpret_csi_ICH(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i;
+ for (i = rt->cols - 1; i >= rt->ccol + n; i--)
+ rt->cells[rt->crow][i] = rt->cells[rt->crow][i - n];
+ for (i = rt->ccol; i < rt->ccol + n; i++) {
+ rt->cells[rt->crow][i].ch = 0x20;
+ rt->cells[rt->crow][i].attr = rt->curattr;
+ }
+
+ rt->line_dirty[rt->crow] = true;
}
/* Interpret the 'delete chars' sequence (DCH) */
-static void interpret_csi_DCH(RoteTerm *rt, int param[], int pcount) {
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i;
- for (i = rt->ccol; i < rt->cols; i++) {
- if (i + n < rt->cols)
- rt->cells[rt->crow][i] = rt->cells[rt->crow][i + n];
- else {
- rt->cells[rt->crow][i].ch = 0x20;
- rt->cells[rt->crow][i].attr = rt->curattr;
- }
- }
-
- rt->line_dirty[rt->crow] = true;
+static void interpret_csi_DCH(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i;
+ for (i = rt->ccol; i < rt->cols; i++) {
+ if (i + n < rt->cols)
+ rt->cells[rt->crow][i] = rt->cells[rt->crow][i + n];
+ else {
+ rt->cells[rt->crow][i].ch = 0x20;
+ rt->cells[rt->crow][i].attr = rt->curattr;
+ }
+ }
+
+ rt->line_dirty[rt->crow] = true;
}
/* Interpret an 'insert line' sequence (IL) */
-static void interpret_csi_IL(RoteTerm *rt, int param[], int pcount) {
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i, j;
+static void interpret_csi_IL(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i, j;
- for (i = rt->pd->scrollbottom; i >= rt->crow + n; i--)
- memcpy(rt->cells[i], rt->cells[i - n], sizeof(RoteCell) * rt->cols);
+ for (i = rt->pd->scrollbottom; i >= rt->crow + n; i--)
+ memcpy(rt->cells[i], rt->cells[i - n], sizeof(RoteCell) * rt->cols);
- for (i = rt->crow; i < rt->crow + n && i <= rt->pd->scrollbottom; i++) {
- rt->line_dirty[i] = true;
- for (j = 0; j < rt->cols; j++)
- rt->cells[i][j].ch = 0x20, rt->cells[i][j].attr = rt->curattr;
- }
+ for (i = rt->crow; i < rt->crow + n && i <= rt->pd->scrollbottom; i++) {
+ rt->line_dirty[i] = true;
+ for (j = 0; j < rt->cols; j++)
+ rt->cells[i][j].ch = 0x20, rt->cells[i][j].attr = rt->curattr;
+ }
}
/* Interpret a 'delete line' sequence (DL) */
-static void interpret_csi_DL(RoteTerm *rt, int param[], int pcount) {
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i, j;
-
- for (i = rt->crow; i <= rt->pd->scrollbottom; i++) {
- rt->line_dirty[i] = true;
- if (i + n <= rt->pd->scrollbottom)
- memcpy(rt->cells[i], rt->cells[i+n], sizeof(RoteCell) * rt->cols);
- else {
- for (j = 0; j < rt->cols; j++)
- rt->cells[i][j].ch = 0x20, rt->cells[i][j].attr = rt->curattr;
- }
- }
+static void interpret_csi_DL(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i, j;
+
+ for (i = rt->crow; i <= rt->pd->scrollbottom; i++) {
+ rt->line_dirty[i] = true;
+ if (i + n <= rt->pd->scrollbottom)
+ memcpy(rt->cells[i], rt->cells[i+n], sizeof(RoteCell) * rt->cols);
+ else {
+ for (j = 0; j < rt->cols; j++)
+ rt->cells[i][j].ch = 0x20, rt->cells[i][j].attr = rt->curattr;
+ }
+ }
}
/* Interpret an 'erase characters' (ECH) sequence */
-static void interpret_csi_ECH(RoteTerm *rt, int param[], int pcount) {
- int n = (pcount && param[0] > 0) ? param[0] : 1;
- int i;
+static void interpret_csi_ECH(RoteTerm *rt, int param[], int pcount)
+{
+ int n = (pcount && param[0] > 0) ? param[0] : 1;
+ int i;
- for (i = rt->ccol; i < rt->ccol + n && i < rt->cols; i++) {
- rt->cells[rt->crow][i].ch = 0x20;
- rt->cells[rt->crow][i].attr = rt->curattr;
- }
+ for (i = rt->ccol; i < rt->ccol + n && i < rt->cols; i++) {
+ rt->cells[rt->crow][i].ch = 0x20;
+ rt->cells[rt->crow][i].attr = rt->curattr;
+ }
- rt->line_dirty[rt->crow] = true;
+ rt->line_dirty[rt->crow] = true;
}
-
+
/* Interpret a 'set scrolling region' (DECSTBM) sequence */
-static void interpret_csi_DECSTBM(RoteTerm *rt, int param[], int pcount) {
- int newtop, newbottom;
-
- if (!pcount) {
- newtop = 0;
- newbottom = rt->rows - 1;
- }
- else if (pcount < 2) return; /* malformed */
- else {
- newtop = param[0] - 1;
- newbottom = param[1] - 1;
- }
-
- /* clamp to bounds */
- if (newtop < 0) newtop = 0;
- if (newtop >= rt->rows) newtop = rt->rows - 1;
- if (newbottom < 0) newbottom = 0;
- if (newbottom >= rt->rows) newbottom = rt->rows - 1;
-
- /* check for range validity */
- if (newtop > newbottom) return;
- rt->pd->scrolltop = newtop;
- rt->pd->scrollbottom = newbottom;
+static void interpret_csi_DECSTBM(RoteTerm *rt, int param[], int pcount)
+{
+ int newtop, newbottom;
+
+ if (!pcount) {
+ newtop = 0;
+ newbottom = rt->rows - 1;
+ }
+ else if (pcount < 2) return; /* malformed */
+ else {
+ newtop = param[0] - 1;
+ newbottom = param[1] - 1;
+ }
+
+ /* clamp to bounds */
+ if (newtop < 0) newtop = 0;
+ if (newtop >= rt->rows) newtop = rt->rows - 1;
+ if (newbottom < 0) newbottom = 0;
+ if (newbottom >= rt->rows) newbottom = rt->rows - 1;
+
+ /* check for range validity */
+ if (newtop > newbottom) return;
+ rt->pd->scrolltop = newtop;
+ rt->pd->scrollbottom = newbottom;
}
-
-static void interpret_csi_SAVECUR(RoteTerm *rt, int param[], int pcount) {
- rt->pd->saved_x = rt->ccol;
- rt->pd->saved_y = rt->crow;
+
+static void interpret_csi_SAVECUR(RoteTerm *rt, int param[], int pcount)
+{
+ rt->pd->saved_x = rt->ccol;
+ rt->pd->saved_y = rt->crow;
}
-static void interpret_csi_RESTORECUR(RoteTerm *rt, int param[], int pcount) {
- rt->ccol = rt->pd->saved_x;
- rt->crow = rt->pd->saved_y;
- rt->curpos_dirty = true;
+static void interpret_csi_RESTORECUR(RoteTerm *rt, int param[], int pcount)
+{
+ rt->ccol = rt->pd->saved_x;
+ rt->crow = rt->pd->saved_y;
+ rt->curpos_dirty = true;
}
-void rote_es_interpret_csi(RoteTerm *rt) {
- static int csiparam[MAX_CSI_ES_PARAMS];
- int param_count = 0;
- const char *p = rt->pd->esbuf + 1;
- char verb = rt->pd->esbuf[rt->pd->esbuf_len - 1];
-
- if (!strncmp(rt->pd->esbuf, "[?", 2)) { /* private-mode CSI, ignore */
- #ifdef DEBUG
- fprintf(stderr, "Ignoring private-mode CSI: <%s>\n", rt->pd->esbuf);
- #endif
- return;
- }
-
- /* parse numeric parameters */
- while ((*p >= '0' && *p <= '9') || *p == ';') {
- if (*p == ';') {
- if (param_count >= MAX_CSI_ES_PARAMS) return; /* too long! */
- csiparam[param_count++] = 0;
- }
- else {
- if (param_count == 0) csiparam[param_count++] = 0;
- csiparam[param_count - 1] *= 10;
- csiparam[param_count - 1] += *p - '0';
- }
-
- p++;
- }
-
- /* delegate handling depending on command character (verb) */
- switch (verb) {
+void rote_es_interpret_csi(RoteTerm *rt)
+{
+ static int csiparam[MAX_CSI_ES_PARAMS];
+ int param_count = 0;
+ const char *p = rt->pd->esbuf + 1;
+ char verb = rt->pd->esbuf[rt->pd->esbuf_len - 1];
+
+ if (!strncmp(rt->pd->esbuf, "[?", 2)) { /* private-mode CSI, ignore */
+#ifdef DEBUG
+ fprintf(stderr, "Ignoring private-mode CSI: <%s>\n", rt->pd->esbuf);
+#endif
+ return;
+ }
+
+ /* parse numeric parameters */
+ while ((*p >= '0' && *p <= '9') || *p == ';') {
+ if (*p == ';') {
+ if (param_count >= MAX_CSI_ES_PARAMS) return; /* too long! */
+ csiparam[param_count++] = 0;
+ }
+ else {
+ if (param_count == 0) csiparam[param_count++] = 0;
+ csiparam[param_count - 1] *= 10;
+ csiparam[param_count - 1] += *p - '0';
+ }
+
+ p++;
+ }
+
+ /* delegate handling depending on command character (verb) */
+ switch (verb) {
case 'h':
- if (param_count == 1 && csiparam[0] == 4) /* insert mode */
- rt->insert = true;
- break;
+ if (param_count == 1 && csiparam[0] == 4) /* insert mode */
+ rt->insert = true;
+ break;
case 'l':
- if (param_count == 1 && csiparam[0] == 4) /* replace mode */
- rt->insert = false;
- break;
+ if (param_count == 1 && csiparam[0] == 4) /* replace mode */
+ rt->insert = false;
+ break;
case 'm': /* it's a 'set attribute' sequence */
- interpret_csi_SGR(rt, csiparam, param_count); break;
+ interpret_csi_SGR(rt, csiparam, param_count); break;
case 'J': /* it's an 'erase display' sequence */
- interpret_csi_ED(rt, csiparam, param_count); break;
+ interpret_csi_ED(rt, csiparam, param_count); break;
case 'H': case 'f': /* it's a 'move cursor' sequence */
- interpret_csi_CUP(rt, csiparam, param_count); break;
+ interpret_csi_CUP(rt, csiparam, param_count); break;
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
case 'e': case 'a': case 'd': case '`':
- /* it is a 'relative move' */
- interpret_csi_C(rt, verb, csiparam, param_count); break;
+ /* it is a 'relative move' */
+ interpret_csi_C(rt, verb, csiparam, param_count); break;
case 'K': /* erase line */
- interpret_csi_EL(rt, csiparam, param_count); break;
+ interpret_csi_EL(rt, csiparam, param_count); break;
case '@': /* insert characters */
- interpret_csi_ICH(rt, csiparam, param_count); break;
+ interpret_csi_ICH(rt, csiparam, param_count); break;
case 'P': /* delete characters */
- interpret_csi_DCH(rt, csiparam, param_count); break;
+ interpret_csi_DCH(rt, csiparam, param_count); break;
case 'L': /* insert lines */
- interpret_csi_IL(rt, csiparam, param_count); break;
+ interpret_csi_IL(rt, csiparam, param_count); break;
case 'M': /* delete lines */
- interpret_csi_DL(rt, csiparam, param_count); break;
+ interpret_csi_DL(rt, csiparam, param_count); break;
case 'X': /* erase chars */
- interpret_csi_ECH(rt, csiparam, param_count); break;
+ interpret_csi_ECH(rt, csiparam, param_count); break;
case 'r': /* set scrolling region */
- interpret_csi_DECSTBM(rt, csiparam, param_count); break;
+ interpret_csi_DECSTBM(rt, csiparam, param_count); break;
case 's': /* save cursor location */
- interpret_csi_SAVECUR(rt, csiparam, param_count); break;
+ interpret_csi_SAVECUR(rt, csiparam, param_count); break;
case 'u': /* restore cursor location */
- interpret_csi_RESTORECUR(rt, csiparam, param_count); break;
+ interpret_csi_RESTORECUR(rt, csiparam, param_count); break;
default:
- #ifdef DEBUG
- fprintf(stderr, "Unrecogized CSI: verb=%c <%s>\n",
- verb, rt->pd->esbuf);
- #endif
- break;
- }
+#ifdef DEBUG
+ fprintf(stderr, "Unrecogized CSI: verb=%c <%s>\n",
+ verb, rt->pd->esbuf);
+#endif
+ break;
+ }
}
* related fields in it */
void rote_es_interpret_csi(RoteTerm *rt);
-static inline void clamp_cursor_to_bounds(RoteTerm *rt) {
- if (rt->crow < 0) rt->curpos_dirty = true, rt->crow = 0;
- if (rt->ccol < 0) rt->curpos_dirty = true, rt->ccol = 0;
+static inline void clamp_cursor_to_bounds(RoteTerm *rt)
+{
+ if (rt->crow < 0) rt->curpos_dirty = true, rt->crow = 0;
+ if (rt->ccol < 0) rt->curpos_dirty = true, rt->ccol = 0;
- if (rt->crow >= rt->rows)
- rt->curpos_dirty = true, rt->crow = rt->rows - 1;
+ if (rt->crow >= rt->rows)
+ rt->curpos_dirty = true, rt->crow = rt->rows - 1;
- if (rt->ccol >= rt->cols)
- rt->curpos_dirty = true, rt->ccol = rt->cols - 1;
+ if (rt->ccol >= rt->cols)
+ rt->curpos_dirty = true, rt->ccol = rt->cols - 1;
}
#endif
#define ROTE_VT_UPDATE_ITERATIONS 5
-RoteTerm *rote_vt_create(int rows, int cols) {
- RoteTerm *rt;
- int i, j;
-
- if (rows <= 0 || cols <= 0) return NULL;
-
- if (! (rt = (RoteTerm*) malloc(sizeof(RoteTerm))) ) return NULL;
- memset(rt, 0, sizeof(RoteTerm));
-
- /* record dimensions */
- rt->rows = rows;
- rt->cols = cols;
-
- /* default mode is replace */
- rt->insert = false;
-
- /* create the cell matrix */
- rt->cells = (RoteCell**) malloc(sizeof(RoteCell*) * rt->rows);
- for (i = 0; i < rt->rows; i++) {
- /* create row */
- rt->cells[i] = (RoteCell*) malloc(sizeof(RoteCell) * rt->cols);
-
- /* fill row with spaces */
- for (j = 0; j < rt->cols; j++) {
- rt->cells[i][j].ch = 0x20; /* a space */
- rt->cells[i][j].attr = 0x70; /* white text, black background */
- }
- }
-
- /* allocate dirtiness array */
- rt->line_dirty = (bool*) malloc(sizeof(bool) * rt->rows);
-
- /* initialization of other public fields */
- rt->crow = rt->ccol = 0;
- rt->curattr = 0x70; /* white text over black background */
-
- /* allocate private data */
- rt->pd = (RoteTermPrivate*) malloc(sizeof(RoteTermPrivate));
- memset(rt->pd, 0, sizeof(RoteTermPrivate));
-
- rt->pd->pty = -1; /* no pty for now */
-
- /* initial scrolling area is the whole window */
- rt->pd->scrolltop = 0;
- rt->pd->scrollbottom = rt->rows - 1;
-
- #ifdef DEBUG
- fprintf(stderr, "Created a %d x %d terminal.\n", rt->rows, rt->cols);
- #endif
-
- return rt;
+RoteTerm *rote_vt_create(int rows, int cols)
+{
+ RoteTerm *rt;
+ int i, j;
+
+ if (rows <= 0 || cols <= 0) return NULL;
+
+ if (! (rt = (RoteTerm*) malloc(sizeof(RoteTerm))) ) return NULL;
+ memset(rt, 0, sizeof(RoteTerm));
+
+ /* record dimensions */
+ rt->rows = rows;
+ rt->cols = cols;
+
+ /* default mode is replace */
+ rt->insert = false;
+
+ /* create the cell matrix */
+ rt->cells = (RoteCell**) malloc(sizeof(RoteCell*) * rt->rows);
+ for (i = 0; i < rt->rows; i++) {
+ /* create row */
+ rt->cells[i] = (RoteCell*) malloc(sizeof(RoteCell) * rt->cols);
+
+ /* fill row with spaces */
+ for (j = 0; j < rt->cols; j++) {
+ rt->cells[i][j].ch = 0x20; /* a space */
+ rt->cells[i][j].attr = 0x70; /* white text, black background */
+ }
+ }
+
+ /* allocate dirtiness array */
+ rt->line_dirty = (bool*) malloc(sizeof(bool) * rt->rows);
+
+ /* initialization of other public fields */
+ rt->crow = rt->ccol = 0;
+ rt->curattr = 0x70; /* white text over black background */
+
+ /* allocate private data */
+ rt->pd = (RoteTermPrivate*) malloc(sizeof(RoteTermPrivate));
+ memset(rt->pd, 0, sizeof(RoteTermPrivate));
+
+ rt->pd->pty = -1; /* no pty for now */
+
+ /* initial scrolling area is the whole window */
+ rt->pd->scrolltop = 0;
+ rt->pd->scrollbottom = rt->rows - 1;
+
+#ifdef DEBUG
+ fprintf(stderr, "Created a %d x %d terminal.\n", rt->rows, rt->cols);
+#endif
+
+ return rt;
}
-void rote_vt_destroy(RoteTerm *rt) {
- int i;
- if (!rt) return;
+void rote_vt_destroy(RoteTerm *rt)
+{
+ int i;
+ if (!rt) return;
- free(rt->pd);
- free(rt->line_dirty);
- for (i = 0; i < rt->rows; i++) free(rt->cells[i]);
- free(rt->cells);
- free(rt);
+ free(rt->pd);
+ free(rt->line_dirty);
+ for (i = 0; i < rt->rows; i++) free(rt->cells[i]);
+ free(rt->cells);
+ free(rt);
}
#ifdef USE_NCURSES
-static void default_cur_set_attr(WINDOW *win, unsigned char attr) {
- int cp = ROTE_ATTR_BG(attr) * 8 + 7 - ROTE_ATTR_FG(attr);
- if (!cp) wattrset(win, A_NORMAL);
- else wattrset(win, COLOR_PAIR(cp));
+static void default_cur_set_attr(WINDOW *win, unsigned char attr)
+{
+ int cp = ROTE_ATTR_BG(attr) * 8 + 7 - ROTE_ATTR_FG(attr);
+ if (!cp) wattrset(win, A_NORMAL);
+ else wattrset(win, COLOR_PAIR(cp));
- if (ROTE_ATTR_BOLD(attr)) wattron(win, A_BOLD);
- if (ROTE_ATTR_BLINK(attr)) wattron(win, A_BLINK);
+ if (ROTE_ATTR_BOLD(attr)) wattron(win, A_BOLD);
+ if (ROTE_ATTR_BLINK(attr)) wattron(win, A_BLINK);
}
#endif
static inline unsigned char ensure_printable(unsigned char ch)
- { return ch >= 32 ? ch : 32; }
+{ return ch >= 32 ? ch : 32; }
#ifdef USE_NCURSES
void rote_vt_draw(RoteTerm *rt, WINDOW *win, int srow, int scol,
- void (*cur_set_attr)(WINDOW*,unsigned char)) {
-
- int i, j;
- rote_vt_update(rt);
-
- if (!cur_set_attr) cur_set_attr = default_cur_set_attr;
- for (i = 0; i < rt->rows; i++) {
- wmove(win, srow + i, scol);
- for (j = 0; j < rt->cols; j++) {
- (*cur_set_attr)(win, rt->cells[i][j].attr);
- waddch(win, ensure_printable(rt->cells[i][j].ch));
- }
- }
-
- wmove(win, srow + rt->crow, scol + rt->ccol);
+ void (*cur_set_attr)(WINDOW*,unsigned char)) {
+
+ int i, j;
+ rote_vt_update(rt);
+
+ if (!cur_set_attr) cur_set_attr = default_cur_set_attr;
+ for (i = 0; i < rt->rows; i++) {
+ wmove(win, srow + i, scol);
+ for (j = 0; j < rt->cols; j++) {
+ (*cur_set_attr)(win, rt->cells[i][j].attr);
+ waddch(win, ensure_printable(rt->cells[i][j].ch));
+ }
+ }
+
+ wmove(win, srow + rt->crow, scol + rt->ccol);
}
#endif
#ifdef USE_PTY
-pid_t rote_vt_forkpty(RoteTerm *rt, const char *command) {
- struct winsize ws;
- pid_t childpid;
-
- ws.ws_row = rt->rows;
- ws.ws_col = rt->cols;
- ws.ws_xpixel = ws.ws_ypixel = 0;
+pid_t rote_vt_forkpty(RoteTerm *rt, const char *command)
+{
+ struct winsize ws;
+ pid_t childpid;
+
+ ws.ws_row = rt->rows;
+ ws.ws_col = rt->cols;
+ ws.ws_xpixel = ws.ws_ypixel = 0;
- childpid = forkpty(&rt->pd->pty, NULL, NULL, &ws);
- if (childpid < 0) return -1;
+ childpid = forkpty(&rt->pd->pty, NULL, NULL, &ws);
+ if (childpid < 0) return -1;
- if (childpid == 0) {
- /* we are the child, running under the slave side of the pty. */
+ if (childpid == 0) {
+ /* we are the child, running under the slave side of the pty. */
- /* Cajole application into using linux-console-compatible escape
- * sequences (which is what we are prepared to interpret) */
- setenv("TERM", "linux", 1);
+ /* Cajole application into using linux-console-compatible escape
+ * sequences (which is what we are prepared to interpret) */
+ setenv("TERM", "linux", 1);
- /* Now we will exec /bin/sh -c command. */
- execl("/bin/sh", "/bin/sh", "-c", command, NULL);
+ /* Now we will exec /bin/sh -c command. */
+ execl("/bin/sh", "/bin/sh", "-c", command, NULL);
- fprintf(stderr, "\nexecl() failed.\nCommand: '%s'\n", command);
- exit(127); /* error exec'ing */
- }
+ fprintf(stderr, "\nexecl() failed.\nCommand: '%s'\n", command);
+ exit(127); /* error exec'ing */
+ }
- /* if we got here we are the parent process */
- rt->childpid = childpid;
- return childpid;
+ /* if we got here we are the parent process */
+ rt->childpid = childpid;
+ return childpid;
}
-void rote_vt_forsake_child(RoteTerm *rt) {
- if (rt->pd->pty >= 0) close(rt->pd->pty);
- rt->pd->pty = -1;
- rt->childpid = 0;
+void rote_vt_forsake_child(RoteTerm *rt)
+{
+ if (rt->pd->pty >= 0) close(rt->pd->pty);
+ rt->pd->pty = -1;
+ rt->childpid = 0;
}
#endif
-void rote_vt_update(RoteTerm *rt) {
- fd_set ifs;
- struct timeval tvzero;
- char buf[512];
- int bytesread;
- int n = ROTE_VT_UPDATE_ITERATIONS;
- if (rt->pd->pty < 0) return; /* nothing to pump */
-
- while (n--) { /* iterate at most ROVE_VT_UPDATE_ITERATIONS times.
- * As Phil Endecott pointed out, if we don't restrict this,
- * a program that floods the terminal with output
- * could cause this loop to iterate forever, never
- * being able to catch up. So we'll rely on the client
- * calling rote_vt_update often, as the documentation
- * recommends :-) */
-
- /* check if pty has something to say */
- FD_ZERO(&ifs); FD_SET(rt->pd->pty, &ifs);
- tvzero.tv_sec = 0; tvzero.tv_usec = 0;
-
- if (select(rt->pd->pty + 1, &ifs, NULL, NULL, &tvzero) <= 0)
- return; /* nothing to read, or select() failed */
-
- /* read what we can. This is guaranteed not to block, since
- * select() told us there was something to read. */
- bytesread = read(rt->pd->pty, buf, 512);
- if (bytesread <= 0) return;
-
- /* inject the data into the terminal */
- rote_vt_inject(rt, buf, bytesread);
- }
+void rote_vt_update(RoteTerm *rt)
+{
+ fd_set ifs;
+ struct timeval tvzero;
+ char buf[512];
+ int bytesread;
+ int n = ROTE_VT_UPDATE_ITERATIONS;
+ if (rt->pd->pty < 0) return; /* nothing to pump */
+
+ while (n--) { /* iterate at most ROVE_VT_UPDATE_ITERATIONS times.
+ * As Phil Endecott pointed out, if we don't restrict this,
+ * a program that floods the terminal with output
+ * could cause this loop to iterate forever, never
+ * being able to catch up. So we'll rely on the client
+ * calling rote_vt_update often, as the documentation
+ * recommends :-) */
+
+ /* check if pty has something to say */
+ FD_ZERO(&ifs); FD_SET(rt->pd->pty, &ifs);
+ tvzero.tv_sec = 0; tvzero.tv_usec = 0;
+
+ if (select(rt->pd->pty + 1, &ifs, NULL, NULL, &tvzero) <= 0)
+ return; /* nothing to read, or select() failed */
+
+ /* read what we can. This is guaranteed not to block, since
+ * select() told us there was something to read. */
+ bytesread = read(rt->pd->pty, buf, 512);
+ if (bytesread <= 0) return;
+
+ /* inject the data into the terminal */
+ rote_vt_inject(rt, buf, bytesread);
+ }
}
-void rote_vt_write(RoteTerm *rt, const char *data, int len) {
- if (rt->pd->pty < 0) {
- /* no pty, so just inject the data plain and simple */
- rote_vt_inject(rt, data, len);
- return;
- }
-
- /* write data to pty. Keep calling write() until we have written
- * everything. */
- while (len > 0) {
- int byteswritten = write(rt->pd->pty, data, len);
- if (byteswritten < 0) {
- /* very ugly way to inform the error. Improvements welcome! */
- static char errormsg[] = "\n(ROTE: pty write() error)\n";
- rote_vt_inject(rt, errormsg, strlen(errormsg));
- return;
- }
-
- data += byteswritten;
- len -= byteswritten;
- }
+void rote_vt_write(RoteTerm *rt, const char *data, int len)
+{
+ if (rt->pd->pty < 0) {
+ /* no pty, so just inject the data plain and simple */
+ rote_vt_inject(rt, data, len);
+ return;
+ }
+
+ /* write data to pty. Keep calling write() until we have written
+ * everything. */
+ while (len > 0) {
+ int byteswritten = write(rt->pd->pty, data, len);
+ if (byteswritten < 0) {
+ /* very ugly way to inform the error. Improvements welcome! */
+ static char errormsg[] = "\n(ROTE: pty write() error)\n";
+ rote_vt_inject(rt, errormsg, strlen(errormsg));
+ return;
+ }
+
+ data += byteswritten;
+ len -= byteswritten;
+ }
}
-void rote_vt_install_handler(RoteTerm *rt, rote_es_handler_t handler) {
- rt->pd->handler = handler;
+void rote_vt_install_handler(RoteTerm *rt, rote_es_handler_t handler)
+{
+ rt->pd->handler = handler;
}
-void *rote_vt_take_snapshot(RoteTerm *rt) {
- int i;
- int bytes_per_row = sizeof(RoteCell) * rt->cols;
- void *buf = malloc(bytes_per_row * rt->rows);
- void *ptr = buf;
+void *rote_vt_take_snapshot(RoteTerm *rt)
+{
+ int i;
+ int bytes_per_row = sizeof(RoteCell) * rt->cols;
+ void *buf = malloc(bytes_per_row * rt->rows);
+ void *ptr = buf;
- for (i = 0; i < rt->rows; i++, ptr += bytes_per_row)
- memcpy(ptr, rt->cells[i], bytes_per_row);
+ for (i = 0; i < rt->rows; i++, ptr += bytes_per_row)
+ memcpy(ptr, rt->cells[i], bytes_per_row);
- return buf;
+ return buf;
}
-void rote_vt_restore_snapshot(RoteTerm *rt, void *snapbuf) {
- int i;
- int bytes_per_row = sizeof(RoteCell) * rt->cols;
+void rote_vt_restore_snapshot(RoteTerm *rt, void *snapbuf)
+{
+ int i;
+ int bytes_per_row = sizeof(RoteCell) * rt->cols;
- for (i = 0; i < rt->rows; i++, snapbuf += bytes_per_row) {
- rt->line_dirty[i] = true;
- memcpy(rt->cells[i], snapbuf, bytes_per_row);
- }
+ for (i = 0; i < rt->rows; i++, snapbuf += bytes_per_row) {
+ rt->line_dirty[i] = true;
+ memcpy(rt->cells[i], snapbuf, bytes_per_row);
+ }
}
-int rote_vt_get_pty_fd(RoteTerm *rt) {
- return rt->pd->pty;
+int rote_vt_get_pty_fd(RoteTerm *rt)
+{
+ return rt->pd->pty;
}
static const char *keytable[KEY_MAX+1];
static void keytable_init();
-void rote_vt_keypress(RoteTerm *rt, int keycode) {
- char c = (char) keycode;
+void rote_vt_keypress(RoteTerm *rt, int keycode)
+{
+ char c = (char) keycode;
- if (!initialized) keytable_init();
+ if (!initialized) keytable_init();
- if (keycode >= 0 && keycode < KEY_MAX && keytable[keycode])
- rote_vt_write(rt, keytable[keycode], strlen(keytable[keycode]));
- else
- rote_vt_write(rt, &c, 1); /* not special, just write it */
+ if (keycode >= 0 && keycode < KEY_MAX && keytable[keycode])
+ rote_vt_write(rt, keytable[keycode], strlen(keytable[keycode]));
+ else
+ rote_vt_write(rt, &c, 1); /* not special, just write it */
}
-static void keytable_init() {
- initialized = 1;
- memset(keytable, 0, KEY_MAX+1 * sizeof(const char*));
-
- keytable['\n'] = "\r";
- keytable[KEY_UP] = "\e[A";
- keytable[KEY_DOWN] = "\e[B";
- keytable[KEY_RIGHT] = "\e[C";
- keytable[KEY_LEFT] = "\e[D";
- keytable[KEY_BACKSPACE] = "\b";
- keytable[KEY_HOME] = "\e[1~";
- keytable[KEY_IC] = "\e[2~";
- keytable[KEY_DC] = "\e[3~";
- keytable[KEY_END] = "\e[4~";
- keytable[KEY_PPAGE] = "\e[5~";
- keytable[KEY_NPAGE] = "\e[6~";
- keytable[KEY_SUSPEND] = "\x1A"; /* Ctrl+Z gets mapped to this */
- keytable[KEY_F(1)] = "\e[[A";
- keytable[KEY_F(2)] = "\e[[B";
- keytable[KEY_F(3)] = "\e[[C";
- keytable[KEY_F(4)] = "\e[[D";
- keytable[KEY_F(5)] = "\e[[E";
- keytable[KEY_F(6)] = "\e[17~";
- keytable[KEY_F(7)] = "\e[18~";
- keytable[KEY_F(8)] = "\e[19~";
- keytable[KEY_F(9)] = "\e[20~";
- keytable[KEY_F(10)] = "\e[21~";
+static void keytable_init()
+{
+ initialized = 1;
+ memset(keytable, 0, KEY_MAX+1 * sizeof(const char*));
+
+ keytable['\n'] = "\r";
+ keytable[KEY_UP] = "\e[A";
+ keytable[KEY_DOWN] = "\e[B";
+ keytable[KEY_RIGHT] = "\e[C";
+ keytable[KEY_LEFT] = "\e[D";
+ keytable[KEY_BACKSPACE] = "\b";
+ keytable[KEY_HOME] = "\e[1~";
+ keytable[KEY_IC] = "\e[2~";
+ keytable[KEY_DC] = "\e[3~";
+ keytable[KEY_END] = "\e[4~";
+ keytable[KEY_PPAGE] = "\e[5~";
+ keytable[KEY_NPAGE] = "\e[6~";
+ keytable[KEY_SUSPEND] = "\x1A"; /* Ctrl+Z gets mapped to this */
+ keytable[KEY_F(1)] = "\e[[A";
+ keytable[KEY_F(2)] = "\e[[B";
+ keytable[KEY_F(3)] = "\e[[C";
+ keytable[KEY_F(4)] = "\e[[D";
+ keytable[KEY_F(5)] = "\e[[E";
+ keytable[KEY_F(6)] = "\e[17~";
+ keytable[KEY_F(7)] = "\e[18~";
+ keytable[KEY_F(8)] = "\e[19~";
+ keytable[KEY_F(9)] = "\e[20~";
+ keytable[KEY_F(10)] = "\e[21~";
}
#define ROTE_ATTR_MOD_XBG(attr, newxbg) attr &= 0xF0, attr |= (newxbg)
#define ROTE_ATTR_MOD_XFG(attr, newxfg) attr &= 0x0F, attr |= ((newxfg) << 4)
#define ROTE_ATTR_MOD_BOLD(attr, boldbit) \
- attr &= 0x7F, attr |= (boldbit)?0x80:0x00
+ attr &= 0x7F, attr |= (boldbit)?0x80:0x00
#define ROTE_ATTR_MOD_BLINK(attr, blinkbit) \
- attr &= 0xF7, attr |= (blinkbit)?0x08:0x00
+ attr &= 0xF7, attr |= (blinkbit)?0x08:0x00
/* these return non-zero for 'yes', zero for 'no'. Don't rely on them being
* any more specific than that (e.g. being exactly 1 for 'yes' or whatever). */
/* Represents each of the text cells in the terminal screen */
typedef struct RoteCell_ {
- unsigned char ch; /* >= 32, that is, control characters are not
- * allowed to be on the virtual screen */
+ unsigned char ch; /* >= 32, that is, control characters are not
+ * allowed to be on the virtual screen */
- unsigned char attr; /* a color attribute, as described previously */
+ unsigned char attr; /* a color attribute, as described previously */
} RoteCell;
/* Declaration of opaque rote_Term_Private structure */
* of this structure, but please pay close attention to the fields
* marked read-only or with special usage notes. */
typedef struct RoteTerm_ {
- int rows, cols; /* terminal dimensions, READ-ONLY. You
- * can't resize the terminal by changing
- * this (a segfault is about all you will
- * accomplish). */
-
- RoteCell **cells; /* matrix of cells. This
- * matrix is indexed as cell[row][column]
- * where 0 <= row < rows and
- * 0 <= col < cols
- *
- * You may freely modify the contents of
- * the cells.
- */
-
- int crow, ccol; /* cursor coordinates. READ-ONLY. */
-
- unsigned char curattr; /* current attribute, that is the attribute
- * that will be used for newly inserted
- * characters */
-
- pid_t childpid; /* pid of the child process running in the
- * terminal; 0 for none. This is READ-ONLY. */
-
- RoteTermPrivate *pd; /* private state data */
-
- bool insert; /* insert or replace mode */
- /* --- dirtiness flags: the following flags will be raised when the
- * corresponding items are modified. They can only be unset by YOU
- * (when, for example, you redraw the term or something) --- */
- bool curpos_dirty; /* whether cursor location has changed */
- bool *line_dirty; /* whether each row is dirty */
- /* --- end dirtiness flags */
+ int rows, cols; /* terminal dimensions, READ-ONLY. You
+ * can't resize the terminal by changing
+ * this (a segfault is about all you will
+ * accomplish). */
+
+ RoteCell **cells; /* matrix of cells. This
+ * matrix is indexed as cell[row][column]
+ * where 0 <= row < rows and
+ * 0 <= col < cols
+ *
+ * You may freely modify the contents of
+ * the cells.
+ */
+
+ int crow, ccol; /* cursor coordinates. READ-ONLY. */
+
+ unsigned char curattr; /* current attribute, that is the attribute
+ * that will be used for newly inserted
+ * characters */
+
+ pid_t childpid; /* pid of the child process running in the
+ * terminal; 0 for none. This is READ-ONLY. */
+
+ RoteTermPrivate *pd; /* private state data */
+
+ bool insert; /* insert or replace mode */
+ /* --- dirtiness flags: the following flags will be raised when the
+ * corresponding items are modified. They can only be unset by YOU
+ * (when, for example, you redraw the term or something) --- */
+ bool curpos_dirty; /* whether cursor location has changed */
+ bool *line_dirty; /* whether each row is dirty */
+ /* --- end dirtiness flags */
} RoteTerm;
/* Creates a new virtual terminal with the given dimensions. You
* changed).
*/
void rote_vt_install_handler(RoteTerm *rt, rote_es_handler_t handler);
-
+
/* Possible return values for the custom handler function and their
* meanings: */
#define ROTE_HANDLERESULT_OK 0 /* means escape sequence was handled */
/* Terminal private data */
struct RoteTermPrivate_ {
- bool escaped; /* whether we are currently reading an
- * escape sequence */
+ bool escaped; /* whether we are currently reading an
+ * escape sequence */
- bool graphmode; /* whether terminal is in graphical
- * character mode or not */
+ bool graphmode; /* whether terminal is in graphical
+ * character mode or not */
- int scrolltop, scrollbottom; /* current scrolling region of terminal */
- int saved_x, saved_y; /* saved cursor position */
+ int scrolltop, scrollbottom; /* current scrolling region of terminal */
+ int saved_x, saved_y; /* saved cursor position */
- char esbuf[ESEQ_BUF_SIZE]; /* 0-terminated string. Does NOT include
- * the initial escape (\x1B) character. */
- int esbuf_len; /* length of buffer. The following property
- * is always kept: esbuf[esbuf_len] == '\0' */
+ char esbuf[ESEQ_BUF_SIZE]; /* 0-terminated string. Does NOT include
+ * the initial escape (\x1B) character. */
+ int esbuf_len; /* length of buffer. The following property
+ * is always kept: esbuf[esbuf_len] == '\0' */
- int pty; /* file descriptor for the pty attached to
- * this terminal. -1 if none. */
+ int pty; /* file descriptor for the pty attached to
+ * this terminal. -1 if none. */
- /* custom escape sequence handler */
- rote_es_handler_t handler;
+ /* custom escape sequence handler */
+ rote_es_handler_t handler;
};
#endif
projects / apps / madtty.git / commitdiff