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Add a new element to display tables controlling side-by-side

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window borders.
* buffer.c (syms_of_buffer): Update doc string for
`buffer-display-table'.
* disptab.h (DISP_TABLE_SIZE): Bump to 262.
(DISP_BORDER_GLYPH): New accessor macro.
* xdisp.c (display_text_line): Consult the display table when
building side-by-side window borders.
This commit is contained in:
Jim Blandy 1994-09-19 17:28:37 +00:00
parent e39322d99f
commit a45e35e173
3 changed files with 10 additions and 4 deletions
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6
src/buffer.c
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@ -2776,7 +2776,7 @@ The display table is a vector created with `make-display-table'.\n\
The first 256 elements control how to display each possible text character.\n\
Each value should be a vector of characters or nil;\n\
nil means display the character in the default fashion.\n\
The remaining five elements control the display of\n\
The remaining six elements control the display of\n\
the end of a truncated screen line (element 256, a single character);\n\
the end of a continued line (element 257, a single character);\n\
the escape character used to display character codes in octal\n\
@ -2784,7 +2784,9 @@ The remaining five elements control the display of\n\
the character used as an arrow for control characters (element 259,\n\
a single character);\n\
the decoration indicating the presence of invisible lines (element 260,\n\
a vector of characters).\n\
a vector of characters);\n\
the character used to draw the border between side-by-side windows\n\
(element 261, a single character).;\n\
If this variable is nil, the value of `standard-display-table' is used.\n\
Each window can have its own, overriding display table.");
#endif

3
src/disptab.h
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@ -19,12 +19,13 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Access the slots of a display-table, according to their purpose. */
#define DISP_TABLE_SIZE 261
#define DISP_TABLE_SIZE 262
#define DISP_TRUNC_GLYPH(dp) ((dp)->contents[256])
#define DISP_CONTINUE_GLYPH(dp) ((dp)->contents[257])
#define DISP_ESCAPE_GLYPH(dp) ((dp)->contents[258])
#define DISP_CTRL_GLYPH(dp) ((dp)->contents[259])
#define DISP_INVIS_VECTOR(dp) ((dp)->contents[260])
#define DISP_BORDER_GLYPH(dp) ((dp)->contents[261])
#define DISP_CHAR_VECTOR(dp, c) ((dp)->contents[c])
extern struct Lisp_Vector *window_display_table ();

5
src/xdisp.c
View File

@ -2504,7 +2504,10 @@ display_text_line (w, start, vpos, hpos, taboffset)
them when the scroll bar windows are flickering around to be
reconfigured. */
*p1++ = (FRAME_HAS_VERTICAL_SCROLL_BARS (f)
? ' ' : '|');
? ' '
: (dp && INTEGERP (DISP_BORDER_GLYPH (dp))
? DISP_BORDER_GLYPH (dp)
: '|'));
}
desired_glyphs->used[vpos] = max (desired_glyphs->used[vpos],
p1 - desired_glyphs->glyphs[vpos]);