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patch 8.0.1194: actual fg and bg colors of terminal are unknown

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Problem:    Actual fg and bg colors of terminal are unknown.
Solution:   Add t_RF.  Store response to t_RB and t_RF, use for terminal.
This commit is contained in:
Bram Moolenaar
2017-10-14 23:24:25 +02:00
parent b2c8750c4e
commit 65e4c4f686
8 changed files with 147 additions and 35 deletions
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9
runtime/doc/eval.txt
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@@ -1912,11 +1912,16 @@ v:termstyleresp The escape sequence returned by the terminal for the |t_RS|
termcap entry. This is used to find out what the shape of the
cursor is. This is used by |term_getcursor()|.
*v:termrgbresp*
v:termrgbresp The escape sequence returned by the terminal for the |t_RB|
*v:termrbgresp*
v:termrbgresp The escape sequence returned by the terminal for the |t_RB|
termcap entry. This is used to find out what the terminal
background color is, see 'background'.
*v:termrfgresp*
v:termrfgresp The escape sequence returned by the terminal for the |t_RF|
termcap entry. This is used to find out what the terminal
foreground color is.
*v:termu7resp*
v:termu7resp The escape sequence returned by the terminal for the |t_u7|
termcap entry. This is used to find out what the terminal

3
src/eval.c
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@@ -187,7 +187,8 @@ static struct vimvar
{VV_NAME("t_none", VAR_NUMBER), VV_RO},
{VV_NAME("t_job", VAR_NUMBER), VV_RO},
{VV_NAME("t_channel", VAR_NUMBER), VV_RO},
{VV_NAME("termrgbresp", VAR_STRING), VV_RO},
{VV_NAME("termrfgresp", VAR_STRING), VV_RO},
{VV_NAME("termrbgresp", VAR_STRING), VV_RO},
{VV_NAME("termu7resp", VAR_STRING), VV_RO},
{VV_NAME("termstyleresp", VAR_STRING), VV_RO},
{VV_NAME("termblinkresp", VAR_STRING), VV_RO},

2
src/proto/term.pro
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@@ -64,6 +64,8 @@ char_u *get_termcode(int i);
void del_termcode(char_u *name);
void set_mouse_topline(win_T *wp);
int check_termcode(int max_offset, char_u *buf, int bufsize, int *buflen);
void term_get_fg_color(uint8_t *r, uint8_t *g, uint8_t *b);
void term_get_bg_color(uint8_t *r, uint8_t *g, uint8_t *b);
char_u *replace_termcodes(char_u *from, char_u **bufp, int from_part, int do_lt, int special);
int find_term_bykeys(char_u *src);
void show_termcodes(void);

118
src/term.c
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@@ -125,6 +125,17 @@ static int crv_status = STATUS_GET;
/* Request Cursor position report: */
static int u7_status = STATUS_GET;
#ifdef FEAT_TERMINAL
/* Request foreground color report: */
static int rfg_status = STATUS_GET;
static int fg_r = 0;
static int fg_g = 0;
static int fg_b = 0;
static int bg_r = 255;
static int bg_g = 255;
static int bg_b = 255;
#endif
/* Request background color report: */
static int rbg_status = STATUS_GET;
@@ -882,6 +893,7 @@ static struct builtin_term builtin_termcaps[] =
{(int)KS_CGP, IF_EB("\033[13t", ESC_STR "[13t")},
# endif
{(int)KS_CRV, IF_EB("\033[>c", ESC_STR "[>c")},
{(int)KS_RFG, IF_EB("\033]10;?\007", ESC_STR "]10;?\007")},
{(int)KS_RBG, IF_EB("\033]11;?\007", ESC_STR "]11;?\007")},
{(int)KS_U7, IF_EB("\033[6n", ESC_STR "[6n")},
# ifdef FEAT_TERMGUICOLORS
@@ -1185,6 +1197,7 @@ static struct builtin_term builtin_termcaps[] =
# endif
{(int)KS_CRV, "[CRV]"},
{(int)KS_U7, "[U7]"},
{(int)KS_RFG, "[RFG]"},
{(int)KS_RBG, "[RBG]"},
{K_UP, "[KU]"},
{K_DOWN, "[KD]"},
@@ -1608,7 +1621,7 @@ set_termname(char_u *term)
{KS_TS, "ts"}, {KS_FS, "fs"},
{KS_CWP, "WP"}, {KS_CWS, "WS"},
{KS_CSI, "SI"}, {KS_CEI, "EI"},
{KS_U7, "u7"}, {KS_RBG, "RB"},
{KS_U7, "u7"}, {KS_RFG, "RF"}, {KS_RBG, "RB"},
{KS_8F, "8f"}, {KS_8B, "8b"},
{KS_CBE, "BE"}, {KS_CBD, "BD"},
{KS_CPS, "PS"}, {KS_CPE, "PE"},
@@ -3320,6 +3333,9 @@ settmode(int tmode)
* them. */
if (tmode != TMODE_RAW && (crv_status == STATUS_SENT
|| u7_status == STATUS_SENT
#ifdef FEAT_TERMINAL
|| rfg_status == STATUS_SENT
#endif
|| rbg_status == STATUS_SENT
|| rbm_status == STATUS_SENT
|| rcs_status == STATUS_SENT))
@@ -3391,6 +3407,9 @@ stoptermcap(void)
/* May need to discard T_CRV, T_U7 or T_RBG response. */
if (crv_status == STATUS_SENT
|| u7_status == STATUS_SENT
# ifdef FEAT_TERMINAL
|| rfg_status == STATUS_SENT
# endif
|| rbg_status == STATUS_SENT
|| rbm_status == STATUS_SENT
|| rcs_status == STATUS_SENT)
@@ -3508,16 +3527,30 @@ may_req_bg_color(void)
{
if (can_get_termresponse() && starting == 0)
{
/* Only request background if t_RB is set and 'background' wasn't
* changed. */
if (rbg_status == STATUS_GET
&& *T_RBG != NUL
&& !option_was_set((char_u *)"bg"))
int didit = FALSE;
#ifdef FEAT_TERMINAL
/* Only request foreground if t_RF is set. */
if (rfg_status == STATUS_GET && *T_RFG != NUL)
{
LOG_TR("Sending FG request");
out_str(T_RFG);
rfg_status = STATUS_SENT;
didit = TRUE;
}
#endif
/* Only request background if t_RB is set. */
if (rbg_status == STATUS_GET && *T_RBG != NUL)
{
LOG_TR("Sending BG request");
out_str(T_RBG);
rbg_status = STATUS_SENT;
didit = TRUE;
}
if (didit)
{
/* check for the characters now, otherwise they might be eaten by
* get_keystroke() */
out_flush();
@@ -4688,39 +4721,54 @@ check_termcode(
}
}
/* Check for background color response from the terminal:
/* Check for fore/background color response from the terminal:
*
* {lead}11;rgb:{rrrr}/{gggg}/{bbbb}{tail}
* {lead}{code};rgb:{rrrr}/{gggg}/{bbbb}{tail}
*
* {code} is 10 for foreground, 11 for background
* {lead} can be <Esc>] or OSC
* {tail} can be '\007', <Esc>\ or STERM.
*
* Consume any code that starts with "{lead}11;", it's also
* possible that "rgba" is following.
*/
else if (*T_RBG != NUL
else if ((*T_RBG != NUL || *T_RFG != NUL)
&& ((tp[0] == ESC && len >= 2 && tp[1] == ']')
|| tp[0] == OSC))
{
j = 1 + (tp[0] == ESC);
if (len >= j + 3 && (argp[0] != '1'
|| argp[1] != '1' || argp[2] != ';'))
|| (argp[1] != '1' && argp[1] != '0')
|| argp[2] != ';'))
i = 0; /* no match */
else
for (i = j; i < len; ++i)
if (tp[i] == '\007' || (tp[0] == OSC ? tp[i] == STERM
: (tp[i] == ESC && i + 1 < len && tp[i + 1] == '\\')))
{
int is_bg = argp[1] == '1';
if (i - j >= 21 && STRNCMP(tp + j + 3, "rgb:", 4) == 0
&& tp[j + 11] == '/' && tp[j + 16] == '/'
&& !option_was_set((char_u *)"bg"))
&& tp[j + 11] == '/' && tp[j + 16] == '/')
{
int rval = hexhex2nr(tp + j + 7);
int gval = hexhex2nr(tp + j + 12);
int bval = hexhex2nr(tp + j + 17);
if (is_bg)
{
char *newval = (3 * '6' < tp[j+7] + tp[j+12]
+ tp[j+17]) ? "light" : "dark";
LOG_TR("Received RBG response");
rbg_status = STATUS_GOT;
if (STRCMP(p_bg, newval) != 0)
#ifdef FEAT_TERMINAL
bg_r = rval;
bg_g = gval;
bg_b = bval;
#endif
if (!option_was_set((char_u *)"bg")
&& STRCMP(p_bg, newval) != 0)
{
/* value differs, apply it */
set_option_value((char_u *)"bg", 0L,
@@ -4729,13 +4777,25 @@ check_termcode(
redraw_asap(CLEAR);
}
}
#ifdef FEAT_TERMINAL
else
{
LOG_TR("Received RFG response");
rfg_status = STATUS_GOT;
fg_r = rval;
fg_g = gval;
fg_b = bval;
}
#endif
}
/* got finished code: consume it */
key_name[0] = (int)KS_EXTRA;
key_name[1] = (int)KE_IGNORE;
slen = i + 1 + (tp[i] == ESC);
# ifdef FEAT_EVAL
set_vim_var_string(VV_TERMRGBRESP, tp, slen);
set_vim_var_string(is_bg ? VV_TERMRBGRESP
: VV_TERMRFGRESP, tp, slen);
# endif
break;
}
@@ -5768,6 +5828,36 @@ check_termcode(
return 0; /* no match found */
}
#if defined(FEAT_TERMINAL) || defined(PROTO)
/*
* Get the text foreground color, if known.
*/
void
term_get_fg_color(uint8_t *r, uint8_t *g, uint8_t *b)
{
if (rfg_status == STATUS_GOT)
{
*r = fg_r;
*g = fg_g;
*b = fg_b;
}
}
/*
* Get the text background color, if known.
*/
void
term_get_bg_color(uint8_t *r, uint8_t *g, uint8_t *b)
{
if (rbg_status == STATUS_GOT)
{
*r = bg_r;
*g = bg_g;
*b = bg_b;
}
}
#endif
/*
* Replace any terminal code strings in from[] with the equivalent internal
* vim representation. This is used for the "from" and "to" part of a

2
src/term.h
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@@ -88,6 +88,7 @@ enum SpecialKey
KS_CGP, /* get window position */
KS_CWS, /* set window size in characters */
KS_CRV, /* request version string */
KS_RFG, /* request foreground color */
KS_RBG, /* request background color */
KS_CSI, /* start insert mode (bar cursor) */
KS_CEI, /* end insert mode (block cursor) */
@@ -185,6 +186,7 @@ extern char_u *(term_strings[]); /* current terminal strings */
#define T_CEI (TERM_STR(KS_CEI)) /* end insert mode */
#define T_CSR (TERM_STR(KS_CSR)) /* start replace mode */
#define T_CRV (TERM_STR(KS_CRV)) /* request version string */
#define T_RFG (TERM_STR(KS_RFG)) /* request foreground RGB */
#define T_RBG (TERM_STR(KS_RBG)) /* request background RGB */
#define T_OP (TERM_STR(KS_OP)) /* original color pair */
#define T_U7 (TERM_STR(KS_U7)) /* request cursor position */

21
src/terminal.c
View File

@@ -40,12 +40,12 @@
* TODO:
* - in GUI vertical split causes problems. Cursor is flickering. (Hirohito
* Higashi, 2017 Sep 19)
* - Can we get the default fg/bg color of the terminal and use it for
* libvterm? Should also fix ssh-in-a-win.
* - patch to handle composing characters. (Ozaki Kiichi, #2195)
* - double click in Window toolbar starts Visual mode (but not always?).
* - Shift-Tab does not work.
* - after resizing windows overlap. (Boris Staletic, #2164)
* - :wall gives an error message. (Marius Gedminas, #2190)
* patch suggested by Yasuhiro Matsumoto, Oct 10
* - Redirecting output does not work on MS-Windows, Test_terminal_redir_file()
* is disabled.
* - cursor blinks in terminal on widows with a timer. (xtal8, #2142)
@@ -59,7 +59,7 @@
* - GUI: when 'confirm' is set and trying to exit Vim, dialog offers to save
* changes to "!shell".
* (justrajdeep, 2017 Aug 22)
* - Redrawing is slow with Athena and Motif.
* - Redrawing is slow with Athena and Motif. Also other GUI? (Ramel Eshed)
* - For the GUI fill termios with default values, perhaps like pangoterm:
* http://bazaar.launchpad.net/~leonerd/pangoterm/trunk/view/head:/main.c#L134
* - if the job in the terminal does not support the mouse, we can use the
@@ -2608,28 +2608,37 @@ create_vterm(term_T *term, int rows, int cols)
if (cterm_bg >= 0)
cterm_color2rgb(cterm_bg, bg);
}
#if defined(WIN3264) && !defined(FEAT_GUI_W32)
else
{
#if defined(WIN3264) && !defined(FEAT_GUI_W32)
int tmp;
#endif
/* In an MS-Windows console we know the normal colors. */
if (cterm_normal_fg_color > 0)
{
cterm_color2rgb(cterm_normal_fg_color - 1, fg);
# if defined(WIN3264) && !defined(FEAT_GUI_W32)
tmp = fg->red;
fg->red = fg->blue;
fg->blue = tmp;
# endif
}
else
term_get_fg_color(&fg->red, &fg->green, &fg->blue);
if (cterm_normal_bg_color > 0)
{
cterm_color2rgb(cterm_normal_bg_color - 1, bg);
# if defined(WIN3264) && !defined(FEAT_GUI_W32)
tmp = bg->red;
bg->red = bg->blue;
bg->blue = tmp;
}
}
# endif
}
else
term_get_bg_color(&bg->red, &bg->green, &bg->blue);
}
vterm_state_set_default_colors(vterm_obtain_state(vterm), fg, bg);

2
src/version.c
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@@ -761,6 +761,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1194,
/**/
1193,
/**/

11
src/vim.h
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@@ -1998,11 +1998,12 @@ typedef int sock_T;
#define VV_TYPE_NONE 78
#define VV_TYPE_JOB 79
#define VV_TYPE_CHANNEL 80
#define VV_TERMRGBRESP 81
#define VV_TERMU7RESP 82
#define VV_TERMSTYLERESP 83
#define VV_TERMBLINKRESP 84
#define VV_LEN 85 /* number of v: vars */
#define VV_TERMRFGRESP 81
#define VV_TERMRBGRESP 82
#define VV_TERMU7RESP 83
#define VV_TERMSTYLERESP 84
#define VV_TERMBLINKRESP 85
#define VV_LEN 86 /* number of v: vars */
/* used for v_number in VAR_SPECIAL */
#define VVAL_FALSE 0L