#define LEFT_GLYPHS 2
#define RIGHT_GLYPHS 3
-/* Set the vertical clip to 0 if we are currently updating the line
- start cache. Otherwise for buffers of line height 1 it may fail to
- be able to work properly because regenerate_window will not layout
- a single line. */
#define VERTICAL_CLIP(w, display) \
- (updating_line_start_cache \
- ? 0 \
- : ((WINDOW_TTY_P (w) | (!display && scroll_on_clipped_lines)) \
+ ((WINDOW_TTY_P (w) | (!display && scroll_on_clipped_lines)) \
? INT_MAX \
- : vertical_clip))
+ : vertical_clip)
/* The following structures are completely private to redisplay.c so
we put them here instead of in a header file, for modularity. */
/* Minimum visible pixel width of clipped glyphs at right margin. */
int horizontal_clip;
-/* Set if currently inside update_line_start_cache. */
-static int updating_line_start_cache;
-
/* Nonzero means reading single-character input with prompt
so put cursor on minibuffer after the prompt. */
int cursor_in_echo_area;
/***************************************************************************/
static int
-redisplay_text_width_emchar_string (struct window *w, int findex,
- Emchar *str, Charcount len)
+redisplay_text_width_charc_string (struct window *w, int findex,
+ Charc *str, Charcount len)
{
Charset_ID charsets[NUM_LEADING_BYTES];
Lisp_Object window;
- find_charsets_in_emchar_string (charsets, str, len);
+ find_charsets_in_charc_string (charsets, str, len);
XSETWINDOW (window, w);
ensure_face_cachel_complete (WINDOW_FACE_CACHEL (w, findex), window,
charsets);
WINDOW_FACE_CACHEL (w, findex), str, len));
}
-static Emchar_dynarr *rtw_emchar_dynarr;
+static Charc_dynarr *rtw_charc_dynarr;
int
redisplay_text_width_string (struct window *w, int findex,
Bufbyte *nonreloc, Lisp_Object reloc,
Bytecount offset, Bytecount len)
{
- if (!rtw_emchar_dynarr)
- rtw_emchar_dynarr = Dynarr_new (Emchar);
- Dynarr_reset (rtw_emchar_dynarr);
+ if (!rtw_charc_dynarr)
+ rtw_charc_dynarr = Dynarr_new (Charc);
+ Dynarr_reset (rtw_charc_dynarr);
fixup_internal_substring (nonreloc, reloc, offset, &len);
if (STRINGP (reloc))
nonreloc = XSTRING_DATA (reloc);
- convert_bufbyte_string_into_emchar_dynarr (nonreloc, len, rtw_emchar_dynarr);
- return redisplay_text_width_emchar_string
- (w, findex, Dynarr_atp (rtw_emchar_dynarr, 0),
- Dynarr_length (rtw_emchar_dynarr));
+ convert_bufbyte_string_into_charc_dynarr (nonreloc, len, rtw_charc_dynarr);
+ return redisplay_text_width_charc_string
+ (w, findex, Dynarr_atp (rtw_charc_dynarr, 0),
+ Dynarr_length (rtw_charc_dynarr));
}
int
Lisp_Object frame;
struct face_cachel cachel;
- if (!rtw_emchar_dynarr)
- rtw_emchar_dynarr = Dynarr_new (Emchar);
- Dynarr_reset (rtw_emchar_dynarr);
+ if (!rtw_charc_dynarr)
+ rtw_charc_dynarr = Dynarr_new (Charc);
+ Dynarr_reset (rtw_charc_dynarr);
fixup_internal_substring (nonreloc, reloc, offset, &len);
if (STRINGP (reloc))
nonreloc = XSTRING_DATA (reloc);
- convert_bufbyte_string_into_emchar_dynarr (nonreloc, len, rtw_emchar_dynarr);
+ convert_bufbyte_string_into_charc_dynarr (nonreloc, len, rtw_charc_dynarr);
find_charsets_in_bufbyte_string (charsets, nonreloc, len);
reset_face_cachel (&cachel);
cachel.face = face;
XSETFRAME (frame, f);
ensure_face_cachel_complete (&cachel, frame, charsets);
return DEVMETH (XDEVICE (FRAME_DEVICE (f)),
- text_width, (f, &cachel, Dynarr_atp (rtw_emchar_dynarr, 0),
- Dynarr_length (rtw_emchar_dynarr)));
+ text_width, (f, &cachel, Dynarr_atp (rtw_charc_dynarr, 0),
+ Dynarr_length (rtw_charc_dynarr)));
}
/* Return the display block from DL of the given TYPE. A display line
{
struct rune rb, *crb;
int width, local;
+ Charc char_glyph;
if (data->start_col)
{
if (data->ch == '\n')
{
+ char_glyph = ASCII_TO_CHARC ('\n');
data->font_is_bogus = 0;
/* Cheesy end-of-line pseudo-character. */
width = data->blank_width;
}
else
{
- Lisp_Object charset = CHAR_CHARSET (data->ch);
+ Lisp_Object charset;
+
+ char_glyph = CHAR_TO_CHARC (data->ch);
+ charset = CHARC_CHARSET (char_glyph);
if (!EQ (charset, data->last_charset) ||
data->findex != data->last_findex)
{
if (width < 0)
{
/* bummer. Proportional fonts. */
- width = redisplay_text_width_emchar_string (XWINDOW (data->window),
- data->findex,
- &data->ch, 1);
+ width = redisplay_text_width_charc_string (XWINDOW (data->window),
+ data->findex,
+ &char_glyph, 1);
}
}
data->bi_bufpos);
else
crb->bufpos =
- bytecount_to_charcount (XSTRING_DATA (data->string), data->bi_bufpos);
+ bytecount_to_charcount (XSTRING_DATA (data->string),
+ data->bi_bufpos);
}
else if (data->is_modeline)
crb->bufpos = data->modeline_charpos;
/* Text but not in buffer */
crb->bufpos = 0;
crb->type = RUNE_CHAR;
- crb->object.chr.ch = data->font_is_bogus ? '~' : data->ch;
+ crb->object.cglyph = data->font_is_bogus
+ ? ASCII_TO_CHARC ('~')
+ : char_glyph;
crb->endpos = 0;
if (data->cursor_type == CURSOR_ON)
case '%':
dst += set_charptr_emchar (dst, '%');
break;
+ /* #### unimplemented */
}
}
}
{
struct rune *rb = Dynarr_atp (db->runes, elt);
- if ((rb->type == RUNE_CHAR && rb->object.chr.ch == ' ')
+ if ((rb->type == RUNE_CHAR && CHARC_ASCII_EQ (rb->object.cglyph, ' '))
|| rb->type == RUNE_BLANK)
{
dl->bounds.left_white += rb->width;
{
struct rune *rb = Dynarr_atp (db->runes, elt);
- if (!(rb->type == RUNE_CHAR && rb->object.chr.ch < 0x100
- && isspace (rb->object.chr.ch))
+ if (!(rb->type == RUNE_CHAR && CHARC_IS_SPACE (rb->object.cglyph))
&& !rb->type == RUNE_BLANK)
{
dl->bounds.right_white = rb->xpos + rb->width;
if (Dynarr_atp (db->runes, elt)->type == RUNE_CHAR)
{
len += (set_charptr_emchar
- (strdata + len, Dynarr_atp (db->runes,
- elt)->object.chr.ch));
+ (strdata + len,
+ CHARC_TO_CHAR (Dynarr_atp (db->runes,
+ elt)->object.cglyph)));
}
}
* - If first element is another symbol, process the cadr or caddr
* recursively according to whether the symbol's value is non-nil or
* nil.
- * - If first element is a face, process the cdr recursively
- * without altering the depth.
+ * - If first element is an extent, process the cdr recursively
+ * and handle the extent's face.
*/
Lisp_Object car, tem;
{
struct rune *rb = Dynarr_atp (db->runes, elt);
- if ((rb->type == RUNE_CHAR && rb->object.chr.ch == ' ')
+ if ((rb->type == RUNE_CHAR && CHARC_ASCII_EQ (rb->object.cglyph, ' '))
|| rb->type == RUNE_BLANK)
{
dl->bounds.left_white += rb->width;
{
struct rune *rb = Dynarr_atp (db->runes, elt);
- if (!(rb->type == RUNE_CHAR && rb->object.chr.ch < 0x100
- && isspace (rb->object.chr.ch))
+ if (!(rb->type == RUNE_CHAR && CHARC_IS_SPACE (rb->object.cglyph))
&& !rb->type == RUNE_BLANK)
{
dl->bounds.right_white = rb->xpos + rb->width;
int ypos = WINDOW_TEXT_TOP (w);
int yend; /* set farther down */
int yclip = WINDOW_TEXT_TOP_CLIP (w);
+ int force;
prop_block_dynarr *prop;
layout_bounds bounds;
else
prop = 0;
+ /* When we are computing things for scrolling purposes, make
+ sure at least one line is always generated */
+ force = (type == CMOTION_DISP);
+
/* Make sure this is set always */
/* Note the conversion at end */
w->window_end_pos[type] = start_pos;
- while (ypos < yend)
+ while (ypos < yend || force)
{
struct display_line dl;
struct display_line *dlp;
the top clip and the bottom clip. */
visible_height -= (dlp->clip + dlp->top_clip);
- if (visible_height < VERTICAL_CLIP (w, 1))
+ if (visible_height < VERTICAL_CLIP (w, 1) && !force)
{
if (local)
free_display_line (dlp);
generate_display_line call. */
if (start_pos > BUF_ZV (b))
break;
+
+ force = 0;
}
if (prop)
process.*/
if (f->frame_changed || f->subwindows_changed)
{
- reset_subwindow_cachels (f);
/* we have to do this so the gutter gets regenerated. */
reset_gutter_display_lines (f);
}
- else
- mark_subwindow_cachels_as_not_updated (f);
hold_frame_size_changes ();
#### If a frame-size change does occur we should probably
actually be preempting redisplay. */
+ MAYBE_DEVMETH (d, frame_output_begin, (f));
+
/* We can now update the gutters, safe in the knowledge that our
efforts won't get undone. */
/* Erase the frame before outputting its contents. */
if (f->clear)
{
- DEVMETH (d, clear_frame, (f));
+ MAYBE_DEVMETH (d, clear_frame, (f));
}
/* Do the selected window first. */
/* Then do the rest. */
redisplay_windows (f->root_window, 1);
- /* We now call the output_end routine for tty frames. We delay
- doing so in order to avoid cursor flicker. So much for 100%
- encapsulation. */
- if (FRAME_TTY_P (f))
- DEVMETH (d, output_end, (d));
+ MAYBE_DEVMETH (d, frame_output_end, (f));
update_frame_title (f);
validate_line_start_cache (w);
w->line_cache_validation_override++;
- updating_line_start_cache = 1;
if (from < BUF_BEGV (b))
from = BUF_BEGV (b);
if (from > to)
{
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
return;
}
/* Check to see if the desired range is already in the cache. */
if (from >= low_bound && to <= high_bound)
{
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
return;
}
update_internal_cache_list (w, DESIRED_DISP);
if (!Dynarr_length (internal_cache))
{
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
return;
}
{
Dynarr_add_many (cache, Dynarr_atp (internal_cache, 0),
Dynarr_length (internal_cache));
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
return;
}
the bounds of the DESIRED structs in the first place. */
if (start >= low_bound && end <= high_bound)
{
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
return;
}
Dynarr_reset (cache);
Dynarr_add_many (cache, Dynarr_atp (internal_cache, 0),
Dynarr_length (internal_cache));
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
return;
}
Dynarr_reset (cache);
Dynarr_add_many (cache, Dynarr_atp (internal_cache, 0),
Dynarr_length (internal_cache));
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
return;
}
Dynarr_length (internal_cache) - ic_elt);
}
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
return;
}
update_internal_cache_list (w, CMOTION_DISP);
/* If this assert is triggered then regenerate_window failed
- to layout a single line. That is not supposed to be
- possible because we impose a minimum height on the buffer
- and override vertical clip when we are in here. */
- /* #### Ah, but it is because the window may temporarily
- exist but not have any lines at all if the minibuffer is
- real big. Look into that situation better. */
- if (!Dynarr_length (internal_cache))
- {
- if (old_lb == -1 && low_bound == -1)
- {
- updating_line_start_cache = 0;
- w->line_cache_validation_override--;
- return;
- }
-
- assert (Dynarr_length (internal_cache));
- }
+ to layout a single line. This is not possible since we
+ force at least a single line to be layout for CMOTION_DISP */
+ assert (Dynarr_length (internal_cache));
assert (startp == Dynarr_atp (internal_cache, 0)->start);
ic_elt = Dynarr_length (internal_cache) - 1;
startp = new_startp;
if (startp > BUF_ZV (b))
{
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
return;
}
while (to > high_bound);
}
- updating_line_start_cache = 0;
w->line_cache_validation_override--;
assert (to <= high_bound);
}
}
else if (past_end
|| (rb->type == RUNE_CHAR
- && rb->object.chr.ch == '\n'))
+ && CHARC_ASCII_EQ (rb->object.cglyph, '\n')))
{
(*row)--;
/* At this point we may have glyphs in the right
if (FRAME_REPAINT_P (f) && FRAME_HAS_MINIBUF_P (f))
{
Lisp_Object window = FRAME_MINIBUF_WINDOW (f);
+
+ MAYBE_DEVMETH (d, frame_output_begin, (f));
+
/*
* If the frame size has changed, there may be random
* chud on the screen left from previous messages
*/
if (f->echo_area_garbaged)
{
- DEVMETH (d, clear_frame, (f));
+ MAYBE_DEVMETH (d, clear_frame, (f));
f->echo_area_garbaged = 0;
}
redisplay_window (window, 0);
+ MAYBE_DEVMETH (d, frame_output_end, (f));
+
call_redisplay_end_triggers (XWINDOW (window), 0);
}
}
-
- /* We now call the output_end routine for tty frames. We delay
- doing so in order to avoid cursor flicker. So much for 100%
- encapsulation. */
- if (DEVICE_TTY_P (d))
- DEVMETH (d, output_end, (d));
}
return Qnil;
}
void
-reinit_vars_of_redisplay (void)
-{
- updating_line_start_cache = 0;
-}
-
-void
vars_of_redisplay (void)
{
- reinit_vars_of_redisplay ();
#if 0
staticpro (&last_arrow_position);
Voverlay_arrow_position = Qnil;
DEFVAR_LISP_MAGIC ("overlay-arrow-string", &Voverlay_arrow_string /*
-String to display as an arrow. See also `overlay-arrow-position'.
+String or glyph to display as an arrow. See also `overlay-arrow-position'.
+(Note that despite the name of this variable, it can be set to a glyph as
+well as a string.)
*/ ,
redisplay_variable_changed);
Voverlay_arrow_string = Qnil;
projects / chise / xemacs-chise.git- / blobdiff