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Properly track switching G0 and G1 modes between US-ASCII and VT100 line

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drawing rather than just treating them as SO and SI.
This commit is contained in:
nicm
2014-06-06 13:21:41 +00:00
parent 74becbfd6f
commit 21ade85f24
2 changed files with 72 additions and 46 deletions
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104
input.c
View File

@@ -52,6 +52,7 @@ int input_split(struct input_ctx *);
int input_get(struct input_ctx *, u_int, int, int);
void input_reply(struct input_ctx *, const char *, ...);
void input_set_state(struct window_pane *, const struct input_transition *);
void input_reset_cell(struct input_ctx *);
/* Transition entry/exit handlers. */
void input_clear(struct input_ctx *);
@@ -104,19 +105,23 @@ enum input_esc_type {
INPUT_ESC_NEL,
INPUT_ESC_RI,
INPUT_ESC_RIS,
INPUT_ESC_SCSOFF_G0,
INPUT_ESC_SCSON_G0,
INPUT_ESC_SCSG0_OFF,
INPUT_ESC_SCSG0_ON,
INPUT_ESC_SCSG1_OFF,
INPUT_ESC_SCSG1_ON,
};
/* Escape command table. */
const struct input_table_entry input_esc_table[] = {
{ '0', "(", INPUT_ESC_SCSOFF_G0 },
{ '0', "(", INPUT_ESC_SCSG0_ON },
{ '0', ")", INPUT_ESC_SCSG1_ON },
{ '7', "", INPUT_ESC_DECSC },
{ '8', "", INPUT_ESC_DECRC },
{ '8', "#", INPUT_ESC_DECALN },
{ '=', "", INPUT_ESC_DECKPAM },
{ '>', "", INPUT_ESC_DECKPNM },
{ 'B', "(", INPUT_ESC_SCSON_G0 },
{ 'B', "(", INPUT_ESC_SCSG0_OFF },
{ 'B', ")", INPUT_ESC_SCSG1_OFF },
{ 'D', "", INPUT_ESC_IND },
{ 'E', "", INPUT_ESC_NEL },
{ 'H', "", INPUT_ESC_HTS },
@@ -684,17 +689,26 @@ input_table_compare(const void *key, const void *value)
return (strcmp(ictx->interm_buf, entry->interm));
}
/* Reset cell state to default. */
void
input_reset_cell(struct input_ctx *ictx)
{
memcpy(&ictx->cell.cell, &grid_default_cell, sizeof ictx->cell.cell);
ictx->cell.set = 0;
ictx->cell.g0set = ictx->cell.g1set = 0;
memcpy(&ictx->old_cell, &ictx->cell, sizeof ictx->old_cell);
ictx->old_cx = 0;
ictx->old_cy = 0;
}
/* Initialise input parser. */
void
input_init(struct window_pane *wp)
{
struct input_ctx *ictx = &wp->ictx;
memcpy(&ictx->cell, &grid_default_cell, sizeof ictx->cell);
memcpy(&ictx->old_cell, &grid_default_cell, sizeof ictx->old_cell);
ictx->old_cx = 0;
ictx->old_cy = 0;
input_reset_cell(ictx);
*ictx->interm_buf = '\0';
ictx->interm_len = 0;
@@ -903,8 +917,18 @@ input_ground(struct input_ctx *ictx)
int
input_print(struct input_ctx *ictx)
{
grid_cell_one(&ictx->cell, ictx->ch);
screen_write_cell(&ictx->ctx, &ictx->cell);
int set;
set = ictx->cell.set == 0 ? ictx->cell.g0set : ictx->cell.g1set;
if (set == 1)
ictx->cell.cell.attr |= GRID_ATTR_CHARSET;
else
ictx->cell.cell.attr &= ~GRID_ATTR_CHARSET;
grid_cell_one(&ictx->cell.cell, ictx->ch);
screen_write_cell(&ictx->ctx, &ictx->cell.cell);
ictx->cell.cell.attr &= ~GRID_ATTR_CHARSET;
return (0);
}
@@ -1000,10 +1024,10 @@ input_c0_dispatch(struct input_ctx *ictx)
screen_write_carriagereturn(sctx);
goto count_c0;
case '\016': /* SO */
ictx->cell.attr |= GRID_ATTR_CHARSET;
ictx->cell.set = 1;
break;
case '\017': /* SI */
ictx->cell.attr &= ~GRID_ATTR_CHARSET;
ictx->cell.set = 0;
break;
default:
log_debug("%s: unknown '%c'", __func__, ictx->ch);
@@ -1014,7 +1038,7 @@ input_c0_dispatch(struct input_ctx *ictx)
count_c0:
trigger = options_get_number(&wp->window->options, "c0-change-trigger");
if (++wp->changes == trigger) {
if (trigger != 0 && ++wp->changes >= trigger) {
wp->flags |= PANE_DROP;
window_pane_timer_start(wp);
}
@@ -1043,11 +1067,7 @@ input_esc_dispatch(struct input_ctx *ictx)
switch (entry->type) {
case INPUT_ESC_RIS:
memcpy(&ictx->cell, &grid_default_cell, sizeof ictx->cell);
memcpy(&ictx->old_cell, &ictx->cell, sizeof ictx->old_cell);
ictx->old_cx = 0;
ictx->old_cy = 0;
input_reset_cell(ictx);
screen_write_reset(sctx);
break;
case INPUT_ESC_IND:
@@ -1082,16 +1102,17 @@ input_esc_dispatch(struct input_ctx *ictx)
case INPUT_ESC_DECALN:
screen_write_alignmenttest(sctx);
break;
case INPUT_ESC_SCSON_G0:
/*
* Not really supported, but fake it up enough for those that
* use it to switch character sets (by redefining G0 to
* graphics set, rather than switching to G1).
*/
ictx->cell.attr &= ~GRID_ATTR_CHARSET;
case INPUT_ESC_SCSG0_ON:
ictx->cell.g0set = 1;
break;
case INPUT_ESC_SCSOFF_G0:
ictx->cell.attr |= GRID_ATTR_CHARSET;
case INPUT_ESC_SCSG0_OFF:
ictx->cell.g0set = 0;
break;
case INPUT_ESC_SCSG1_ON:
ictx->cell.g1set = 1;
break;
case INPUT_ESC_SCSG1_OFF:
ictx->cell.g1set = 0;
break;
}
@@ -1332,7 +1353,8 @@ input_csi_dispatch_rm(struct input_ctx *ictx)
void
input_csi_dispatch_rm_private(struct input_ctx *ictx)
{
u_int i;
struct window_pane *wp = ictx->wp;
u_int i;
for (i = 0; i < ictx->param_list_len; i++) {
switch (input_get(ictx, i, 0, -1)) {
@@ -1366,10 +1388,10 @@ input_csi_dispatch_rm_private(struct input_ctx *ictx)
break;
case 47:
case 1047:
window_pane_alternate_off(ictx->wp, &ictx->cell, 0);
window_pane_alternate_off(wp, &ictx->cell.cell, 0);
break;
case 1049:
window_pane_alternate_off(ictx->wp, &ictx->cell, 1);
window_pane_alternate_off(wp, &ictx->cell.cell, 1);
break;
case 2004:
screen_write_mode_clear(&ictx->ctx, MODE_BRACKETPASTE);
@@ -1403,7 +1425,8 @@ input_csi_dispatch_sm(struct input_ctx *ictx)
void
input_csi_dispatch_sm_private(struct input_ctx *ictx)
{
u_int i;
struct window_pane *wp = ictx->wp;
u_int i;
for (i = 0; i < ictx->param_list_len; i++) {
switch (input_get(ictx, i, 0, -1)) {
@@ -1436,7 +1459,7 @@ input_csi_dispatch_sm_private(struct input_ctx *ictx)
if (ictx->ctx.s->mode & MODE_FOCUSON)
break;
screen_write_mode_set(&ictx->ctx, MODE_FOCUSON);
ictx->wp->flags |= PANE_FOCUSPUSH; /* force update */
wp->flags |= PANE_FOCUSPUSH; /* force update */
break;
case 1005:
screen_write_mode_set(&ictx->ctx, MODE_MOUSE_UTF8);
@@ -1446,10 +1469,10 @@ input_csi_dispatch_sm_private(struct input_ctx *ictx)
break;
case 47:
case 1047:
window_pane_alternate_on(ictx->wp, &ictx->cell, 0);
window_pane_alternate_on(wp, &ictx->cell.cell, 0);
break;
case 1049:
window_pane_alternate_on(ictx->wp, &ictx->cell, 1);
window_pane_alternate_on(wp, &ictx->cell.cell, 1);
break;
case 2004:
screen_write_mode_set(&ictx->ctx, MODE_BRACKETPASTE);
@@ -1514,15 +1537,12 @@ input_csi_dispatch_winops(struct input_ctx *ictx)
void
input_csi_dispatch_sgr(struct input_ctx *ictx)
{
struct grid_cell *gc = &ictx->cell;
struct grid_cell *gc = &ictx->cell.cell;
u_int i;
int n, m;
u_char attr;
if (ictx->param_list_len == 0) {
attr = gc->attr;
memcpy(gc, &grid_default_cell, sizeof *gc);
gc->attr |= (attr & GRID_ATTR_CHARSET);
return;
}
@@ -1560,9 +1580,7 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
switch (n) {
case 0:
case 10:
attr = gc->attr;
memcpy(gc, &grid_default_cell, sizeof *gc);
gc->attr |= (attr & GRID_ATTR_CHARSET);
break;
case 1:
gc->attr |= GRID_ATTR_BRIGHT;
@@ -1806,8 +1824,8 @@ input_utf8_close(struct input_ctx *ictx)
utf8_append(&ictx->utf8data, ictx->ch);
grid_cell_set(&ictx->cell, &ictx->utf8data);
screen_write_cell(&ictx->ctx, &ictx->cell);
grid_cell_set(&ictx->cell.cell, &ictx->utf8data);
screen_write_cell(&ictx->ctx, &ictx->cell.cell);
return (0);
}

14
tmux.h
View File

@@ -803,14 +803,22 @@ struct screen_write_ctx {
#define screen_hsize(s) ((s)->grid->hsize)
#define screen_hlimit(s) ((s)->grid->hlimit)
/* Input parser cell. */
struct input_cell {
struct grid_cell cell;
int set;
int g0set; /* 1 if ACS */
int g1set; /* 1 if ACS */
};
/* Input parser context. */
struct input_ctx {
struct window_pane *wp;
struct screen_write_ctx ctx;
struct grid_cell cell;
struct input_cell cell;
struct grid_cell old_cell;
struct input_cell old_cell;
u_int old_cx;
u_int old_cy;
@@ -822,7 +830,7 @@ struct input_ctx {
#define INPUT_BUF_START 32
#define INPUT_BUF_LIMIT 1048576
u_char* input_buf;
u_char *input_buf;
size_t input_len;
size_t input_space;