Hi Christian,
2013/07/31 Wed 4:56:39 UTC+9 Christian Brabandt wrote:
> Attached is a patch to try out. It seems to work for me with GTK and
> Motif Gui. I am a Unix gui and can't say for sure the code for Windows
> and Mac is actually correct and works, though.
I checked your patch on Windows. It works fine.
I checked it with the following process:
> gvim -N foo.html
:syn enable
:syn region htmlStrike start="<del\>" end="</del>"me=e-6 contains=@htmlTop
:hi def htmlStrike term=strikethrough cterm=strikethrough gui=strikethrough
i<del>foo</del>
> Secondly, I am unsure about the changes to term.c and term.h
> I don't know, if these changes are actually needed, so I simply took the
> undercurl code as an example and changed it so it would fit for
> strikethrough.
I think it is better to add term cap entries. Currently, termcap doesn't
support strikethrough attributes, so we have to use our own attribute names.
(E.g. 't_Ts'/'t_Te' or 't_SS'/'t_SE')
I also think that a new flag (e.g. 't' or 'S') should be added in the
'highlight' option.
I and Hayaki Saito updated your patch to add them. After applying this patch
and setting escape sequences properly,
let &t_Ts="\e[9m"
let &t_Te="\e[29m"
some terminals (*) will show strikethrough lines.
(*)
RLogin: http://nanno.dip.jp/softlib/man/rlogin/ (Japanese)
pangoterm: https://launchpad.net/pangoterm/
Regards,
Ken Takata
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diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -5881,6 +5881,7 @@
"standout" "1" if standout
"underline" "1" if underlined
"undercurl" "1" if undercurled
+ "strike" "1" if strikethrough
Example (echoes the color of the syntax item under the
cursor): >
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -3927,6 +3927,7 @@
s standout (termcap entry "so" and "se")
u underline (termcap entry "us" and "ue")
c undercurl (termcap entry "Cs" and "Ce")
+ t strikethrough (termcap entry "Ts" and "Te")
n no highlighting
- no highlighting
: use a highlight group
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -4457,12 +4457,14 @@
*bold* *underline* *undercurl*
*inverse* *italic* *standout*
+ *strikethrough*
term={attr-list} *attr-list* *highlight-term* *E418*
attr-list is a comma separated list (without spaces) of the
following items (in any order):
bold
underline
undercurl not always available
+ strikethrough not always available
reverse
inverse same as reverse
italic
@@ -4472,8 +4474,8 @@
Note that "bold" can be used here and by using a bold font. They
have the same effect.
"undercurl" is a curly underline. When "undercurl" is not possible
- then "underline" is used. In general "undercurl" is only available in
- the GUI. The color is set with |highlight-guisp|.
+ then "underline" is used. In general "undercurl" and "strikethrough"
+ is only available in the GUI. The color is set with |highlight-guisp|.
start={term-list} *highlight-start* *E422*
stop={term-list} *term-list* *highlight-stop*
@@ -4631,7 +4633,8 @@
guibg={color-name} *highlight-guibg*
guisp={color-name} *highlight-guisp*
These give the foreground (guifg), background (guibg) and special
- (guisp) color to use in the GUI. "guisp" is used for undercurl.
+ (guisp) color to use in the GUI. "guisp" is used for undercurl and
+ strikethrough.
There are a few special names:
NONE no color (transparent)
bg use normal background color
diff --git a/runtime/doc/term.txt b/runtime/doc/term.txt
--- a/runtime/doc/term.txt
+++ b/runtime/doc/term.txt
@@ -272,8 +272,6 @@
t_ts set window title start (to status line) *t_ts* *'t_ts'*
t_ue underline end *t_ue* *'t_ue'*
t_us underline mode *t_us* *'t_us'*
- t_Ce undercurl end *t_Ce* *'t_Ce'*
- t_Cs undercurl mode *t_Cs* *'t_Cs'*
t_ut clearing uses the current background color *t_ut* *'t_ut'*
t_vb visual bell *t_vb* *'t_vb'*
t_ve cursor visible *t_ve* *'t_ve'*
@@ -285,6 +283,10 @@
t_ZR italics end *t_ZR* *'t_ZR'*
Added by Vim (there are no standard codes for these):
+ t_Ce undercurl end *t_Ce* *'t_Ce'*
+ t_Cs undercurl mode *t_Cs* *'t_Cs'*
+ t_Te strikethrough end *t_Te* *'t_Te'*
+ t_Ts strikethrough mode *t_Ts* *'t_Ts'*
t_IS set icon text start *t_IS* *'t_IS'*
t_IE set icon text end *t_IE* *'t_IE'*
t_WP set window position (Y, X) in pixels *t_WP* *'t_WP'*
diff --git a/src/eval.c b/src/eval.c
--- a/src/eval.c
+++ b/src/eval.c
@@ -18043,6 +18043,10 @@
case 's':
if (TOLOWER_ASC(what[1]) == 'p') /* sp[#] */
p = highlight_color(id, what, modec);
+ /* strikeout */
+ else if (TOLOWER_ASC(what[1]) == 't' &&
+ TOLOWER_ASC(what[2]) == 'r')
+ p = highlight_has_attr(id, HL_STRIKETHROUGH, modec);
else /* standout */
p = highlight_has_attr(id, HL_STANDOUT, modec);
break;
diff --git a/src/gui.c b/src/gui.c
--- a/src/gui.c
+++ b/src/gui.c
@@ -2382,6 +2382,7 @@
/* Do we underline the text? */
if (hl_mask_todo & HL_UNDERLINE)
draw_flags |= DRAW_UNDERL;
+
#else
/* Do we underline the text? */
if ((hl_mask_todo & HL_UNDERLINE)
@@ -2395,6 +2396,10 @@
if (hl_mask_todo & HL_UNDERCURL)
draw_flags |= DRAW_UNDERC;
+ /* Do we strikethrough the text? */
+ if (hl_mask_todo & HL_STRIKETHROUGH)
+ draw_flags |= DRAW_STRIKE;
+
/* Do we draw transparently? */
if (flags & GUI_MON_TRS_CURSOR)
draw_flags |= DRAW_TRANSP;
diff --git a/src/gui.h b/src/gui.h
--- a/src/gui.h
+++ b/src/gui.h
@@ -142,6 +142,7 @@
# define DRAW_ITALIC 0x10 /* draw italic text */
#endif
#define DRAW_CURSOR 0x20 /* drawing block cursor (win32) */
+#define DRAW_STRIKE 0x40 /* strikethrough */
/* For our own tearoff menu item */
#define TEAR_STRING "-->Detach"
diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -4883,6 +4883,15 @@
FILL_X(col), y,
FILL_X(col + cells) - 1, y);
}
+
+ /* Draw a strikethrough line */
+ if (flags & DRAW_STRIKE)
+ {
+ gdk_gc_set_foreground(gui.text_gc, gui.spcolor);
+ gdk_draw_line(gui.drawarea->window, gui.text_gc,
+ FILL_X(col), y + 1 - gui.char_height/2, FILL_X(col + cells), y + 1 - gui.char_height/2);
+ gdk_gc_set_foreground(gui.text_gc, gui.fgcolor);
+ }
}
int
diff --git a/src/gui_mac.c b/src/gui_mac.c
--- a/src/gui_mac.c
+++ b/src/gui_mac.c
@@ -4043,6 +4043,11 @@
MoveTo(FILL_X(col), FILL_Y(row + 1) - 1);
LineTo(FILL_X(col + len) - 1, FILL_Y(row + 1) - 1);
}
+ if (flags & DRAW_STRIKE)
+ {
+ MoveTo(FILL_X(col), FILL_Y(row + 1) - gui.char_height/2);
+ LineTo(FILL_X(col + len) - 1, FILL_Y(row + 1) - gui.char_height/2);
+ }
}
if (flags & DRAW_UNDERC)
diff --git a/src/gui_w32.c b/src/gui_w32.c
--- a/src/gui_w32.c
+++ b/src/gui_w32.c
@@ -2670,6 +2670,18 @@
DeleteObject(SelectObject(s_hdc, old_pen));
}
+ /* Strikethrough */
+ if (flags & DRAW_STRIKE)
+ {
+ hpen = CreatePen(PS_SOLID, 1, gui.currSpColor);
+ old_pen = SelectObject(s_hdc, hpen);
+ y = FILL_Y(row + 1) - gui.char_height/2;
+ MoveToEx(s_hdc, FILL_X(col), y, NULL);
+ /* Note: LineTo() excludes the last pixel in the line. */
+ LineTo(s_hdc, FILL_X(col + len), y);
+ DeleteObject(SelectObject(s_hdc, old_pen));
+ }
+
/* Undercurl */
if (flags & DRAW_UNDERC)
{
diff --git a/src/gui_x11.c b/src/gui_x11.c
--- a/src/gui_x11.c
+++ b/src/gui_x11.c
@@ -2676,6 +2676,16 @@
y, FILL_X(col + cells) - 1, y);
}
+ if (flags & DRAW_STRIKE)
+ {
+ int y = FILL_Y(row + 1) - gui.char_height/2;
+
+ XSetForeground(gui.dpy, gui.text_gc, prev_sp_color);
+ XDrawLine(gui.dpy, gui.wid, gui.text_gc, FILL_X(col),
+ y, FILL_X(col + cells) - 1, y);
+ XSetForeground(gui.dpy, gui.text_gc, prev_fg_color);
+ }
+
#ifdef FEAT_XFONTSET
if (current_fontset != NULL)
XSetClipMask(gui.dpy, gui.text_gc, None);
diff --git a/src/option.c b/src/option.c
--- a/src/option.c
+++ b/src/option.c
@@ -2980,6 +2980,8 @@
p_term("t_se", T_SE)
p_term("t_so", T_SO)
p_term("t_sr", T_SR)
+ p_term("t_Te", T_STE)
+ p_term("t_Ts", T_STS)
p_term("t_ts", T_TS)
p_term("t_te", T_TE)
p_term("t_ti", T_TI)
diff --git a/src/screen.c b/src/screen.c
--- a/src/screen.c
+++ b/src/screen.c
@@ -225,7 +225,7 @@
else
#endif
/* Use attributes that is very unlikely to appear in text. */
- screen_attr = HL_BOLD | HL_UNDERLINE | HL_INVERSE;
+ screen_attr = HL_BOLD | HL_UNDERLINE | HL_INVERSE | HL_STRIKETHROUGH;
}
/*
@@ -7557,6 +7557,8 @@
out_str(T_CZH);
if ((attr & HL_INVERSE) && T_MR != NULL) /* inverse (reverse) */
out_str(T_MR);
+ if ((attr & HL_STRIKETHROUGH) && T_STS != NULL) /* strike */
+ out_str(T_STS);
/*
* Output the color or start string after bold etc., in case the
@@ -7660,6 +7662,13 @@
else
out_str(T_CZR);
}
+ if (screen_attr & HL_STRIKETHROUGH)
+ {
+ if (STRCMP(T_STE, T_ME) == 0)
+ do_ME = TRUE;
+ else
+ out_str(T_STE);
+ }
if (do_ME || (screen_attr & (HL_BOLD | HL_INVERSE)))
out_str(T_ME);
diff --git a/src/syntax.c b/src/syntax.c
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -82,10 +82,10 @@
* following names, separated by commas (but no spaces!).
*/
static char *(hl_name_table[]) =
- {"bold", "standout", "underline", "undercurl",
+ {"bold", "standout", "underline", "undercurl", "strikethrough",
"italic", "reverse", "inverse", "NONE"};
static int hl_attr_table[] =
- {HL_BOLD, HL_STANDOUT, HL_UNDERLINE, HL_UNDERCURL, HL_ITALIC, HL_INVERSE, HL_INVERSE, 0};
+ {HL_BOLD, HL_STANDOUT, HL_UNDERLINE, HL_UNDERCURL, HL_STRIKETHROUGH, HL_ITALIC, HL_INVERSE, HL_INVERSE, 0};
static int get_attr_entry __ARGS((garray_T *table, attrentry_T *aep));
static void syn_unadd_group __ARGS((void));
@@ -9534,6 +9534,8 @@
break;
case 'c': attr |= HL_UNDERCURL;
break;
+ case 't': attr |= HL_STRIKETHROUGH;
+ break;
case ':': ++p; /* highlight group name */
if (attr || *p == NUL) /* no combinations */
return FAIL;
diff --git a/src/term.c b/src/term.c
--- a/src/term.c
+++ b/src/term.c
@@ -195,6 +195,8 @@
{(int)KS_US, IF_EB("\033|8h", ESC_STR "|8h")}, /* HL_UNDERLINE */
{(int)KS_UCE, IF_EB("\033|8C", ESC_STR "|8C")}, /* HL_UNDERCURL */
{(int)KS_UCS, IF_EB("\033|8c", ESC_STR "|8c")}, /* HL_UNDERCURL */
+ {(int)KS_STE, IF_EB("\033|4C", ESC_STR "|4C")}, /* HL_STRIKETHROUGH */
+ {(int)KS_STS, IF_EB("\033|4c", ESC_STR "|4c")}, /* HL_STRIKETHROUGH */
{(int)KS_CZR, IF_EB("\033|4H", ESC_STR "|4H")}, /* HL_ITALIC */
{(int)KS_CZH, IF_EB("\033|4h", ESC_STR "|4h")}, /* HL_ITALIC */
{(int)KS_VB, IF_EB("\033|f", ESC_STR "|f")},
@@ -1205,6 +1207,8 @@
{(int)KS_US, "[US]"},
{(int)KS_UCE, "[UCE]"},
{(int)KS_UCS, "[UCS]"},
+ {(int)KS_STE, "[STE]"},
+ {(int)KS_STS, "[STS]"},
{(int)KS_MS, "[MS]"},
{(int)KS_UT, "[UT]"},
# ifdef TERMINFO
@@ -1601,6 +1605,7 @@
{KS_MD, "md"}, {KS_SE, "se"}, {KS_SO, "so"},
{KS_CZH,"ZH"}, {KS_CZR,"ZR"}, {KS_UE, "ue"},
{KS_US, "us"}, {KS_UCE, "Ce"}, {KS_UCS, "Cs"},
+ {KS_STE,"Te"}, {KS_STS,"Ts"},
{KS_CM, "cm"}, {KS_SR, "sr"},
{KS_CRI,"RI"}, {KS_VB, "vb"}, {KS_KS, "ks"},
{KS_KE, "ke"}, {KS_TI, "ti"}, {KS_TE, "te"},
diff --git a/src/term.h b/src/term.h
--- a/src/term.h
+++ b/src/term.h
@@ -51,6 +51,8 @@
KS_US, /* underscore (underline) mode */
KS_UCE, /* exit undercurl mode */
KS_UCS, /* undercurl mode */
+ KS_STE, /* exit strikethrough mode */
+ KS_STS, /* strikethrough mode */
KS_MS, /* save to move cur in reverse mode */
KS_CM, /* cursor motion */
KS_SR, /* scroll reverse (backward) */
@@ -129,6 +131,8 @@
#define T_US (term_str(KS_US)) /* underscore (underline) mode */
#define T_UCE (term_str(KS_UCE)) /* exit undercurl mode */
#define T_UCS (term_str(KS_UCS)) /* undercurl mode */
+#define T_STE (term_str(KS_STE)) /* exit strikethrough mode */
+#define T_STS (term_str(KS_STS)) /* strikethrough mode */
#define T_MS (term_str(KS_MS)) /* save to move cur in reverse mode */
#define T_CM (term_str(KS_CM)) /* cursor motion */
#define T_SR (term_str(KS_SR)) /* scroll reverse (backward) */
diff --git a/src/vim.h b/src/vim.h
--- a/src/vim.h
+++ b/src/vim.h
@@ -677,7 +677,8 @@
#define HL_UNDERLINE 0x08
#define HL_UNDERCURL 0x10
#define HL_STANDOUT 0x20
-#define HL_ALL 0x3f
+#define HL_STRIKETHROUGH 0x40
+#define HL_ALL 0x7f
/* special attribute addition: Put message in history */
#define MSG_HIST 0x1000
