#include <unistd.h>
#endif
-#define max(a, b) ((a) > (b) ? (a) : (b))
-#define min(a, b) ((a) < (b) ? (a) : (b))
-
/* Get number of chars of output now in the buffer of a stdio stream.
This ought to be built in in stdio, but it isn't. Some s- files
override this because their stdio internals differ. */
#endif
#endif /* not __GNU_LIBRARY__ */
-#if defined(HAVE_TERM_H) && defined (LINUX) && defined (HAVE_LIBNCURSES)
+#if defined(HAVE_TERM_H) && defined (GNU_LINUX) && defined (HAVE_LIBNCURSES)
#include <term.h> /* for tgetent */
#endif
\f
static unsigned line_draw_cost P_ ((struct glyph_matrix *, int));
static void update_frame_line P_ ((struct frame *, int));
static struct dim allocate_matrices_for_frame_redisplay
- P_ ((Lisp_Object, int, int, struct dim, int, int *));
-static void allocate_matrices_for_window_redisplay P_ ((struct window *,
- struct dim));
+ P_ ((Lisp_Object, int, int, int, int *));
+static void allocate_matrices_for_window_redisplay P_ ((struct window *));
static int realloc_glyph_pool P_ ((struct glyph_pool *, struct dim));
static void adjust_frame_glyphs P_ ((struct frame *));
struct glyph_matrix *new_glyph_matrix P_ ((struct glyph_pool *));
Lisp_Object Vstandard_display_table;
/* Nonzero means reading single-character input with prompt so put
- cursor on mini-buffer after the prompt. positive means at end of
+ cursor on mini-buffer after the prompt. Positive means at end of
text in echo area; negative means at beginning of line. */
int cursor_in_echo_area;
/* Add to the redisplay history how window W has been displayed.
MSG is a trace containing the information how W's glyph matrix
- has been contructed. PAUSED_P non-zero means that the update
+ has been constructed. PAUSED_P non-zero means that the update
has been interrupted for pending input. */
static void
DEFUN ("dump-redisplay-history", Fdump_redisplay_history,
Sdump_redisplay_history, 0, 0, "",
- "Dump redisplay history to stderr.")
+ doc: /* Dump redisplay history to stderr. */)
()
{
int i;
int left = -1, right = -1;
int window_x, window_y, window_width = -1, window_height;
- /* See if W had a top line that has disappeared now, or vice versa. */
+ /* See if W had a header line that has disappeared now, or vice versa. */
if (w)
{
header_line_p = WINDOW_WANTS_HEADER_LINE_P (w);
&& matrix->window_top_y == XFASTINT (w->top)
&& matrix->window_width == window_width)
{
- i = 0;
- while (matrix->rows[i].enabled_p
- && (MATRIX_ROW_BOTTOM_Y (matrix->rows + i)
- < matrix->window_height))
- ++i;
+ /* Find the last row in the window. */
+ for (i = 0; i < matrix->nrows && matrix->rows[i].enabled_p; ++i)
+ if (MATRIX_ROW_BOTTOM_Y (matrix->rows + i) >= window_height)
+ {
+ ++i;
+ break;
+ }
/* Window end is invalid, if inside of the rows that
- are invalidated. */
+ are invalidated below. */
if (INTEGERP (w->window_end_vpos)
&& XFASTINT (w->window_end_vpos) >= i)
w->window_end_valid = Qnil;
struct glyph_row *row = &matrix->rows[start];
row->y += dy;
+ row->visible_height = row->height;
if (row->y < min_y)
- row->visible_height = row->height - (min_y - row->y);
- else if (row->y + row->height > max_y)
- row->visible_height = row->height - (row->y + row->height - max_y);
- else
- row->visible_height = row->height;
+ row->visible_height -= min_y - row->y;
+ if (row->y + row->height > max_y)
+ row->visible_height -= row->y + row->height - max_y;
}
}
Redisplay outputs such glyphs, and flickering effects were
the result. This also depended on the contents of memory
returned by xmalloc. If flickering happens again, activate
- the code below If the flickering is gone with that, chances
+ the code below. If the flickering is gone with that, chances
are that the flickering has the same reason as here. */
bzero (p[0], (char *) p[LAST_AREA] - (char *) p[0]);
#endif
row->y = y;
row->ascent = row->phys_ascent = 0;
row->height = row->phys_height = CANON_Y_UNIT (XFRAME (w->frame));
-
+ row->visible_height = row->height;
+
if (row->y < min_y)
- row->visible_height = row->height - (min_y - row->y);
- else if (row->y + row->height > max_y)
- row->visible_height = row->height - (row->y + row->height - max_y);
- else
- row->visible_height = row->height;
+ row->visible_height -= min_y - row->y;
+ if (row->y + row->height > max_y)
+ row->visible_height -= row->y + row->height - max_y;
row->enabled_p = 1;
}
if (row->enabled_p)
{
- if (row->inverse_p)
- {
- /* Give all highlighted lines the same hash code
- so as to encourage scrolling to leave them in place. */
- hash = -1;
- }
- else
- {
- struct glyph *glyph = row->glyphs[TEXT_AREA];
- struct glyph *end = glyph + row->used[TEXT_AREA];
-
- while (glyph < end)
- {
- int c = glyph->u.ch;
- int face_id = glyph->face_id;
- if (must_write_spaces)
- c -= SPACEGLYPH;
- hash = (((hash << 4) + (hash >> 24)) & 0x0fffffff) + c;
- hash = (((hash << 4) + (hash >> 24)) & 0x0fffffff) + face_id;
- ++glyph;
- }
+ struct glyph *glyph = row->glyphs[TEXT_AREA];
+ struct glyph *end = glyph + row->used[TEXT_AREA];
- if (hash == 0)
- hash = 1;
- }
+ while (glyph < end)
+ {
+ int c = glyph->u.ch;
+ int face_id = glyph->face_id;
+ if (must_write_spaces)
+ c -= SPACEGLYPH;
+ hash = (((hash << 4) + (hash >> 24)) & 0x0fffffff) + c;
+ hash = (((hash << 4) + (hash >> 24)) & 0x0fffffff) + face_id;
+ ++glyph;
+ }
+
+ if (hash == 0)
+ hash = 1;
}
return hash;
}
-/* Return the cost of drawing line VPOS In MATRIX. The cost equals
+/* Return the cost of drawing line VPOS in MATRIX. The cost equals
the number of characters in the line. If must_write_spaces is
zero, leading and trailing spaces are ignored. */
}
if (a->truncated_on_left_p != b->truncated_on_left_p
- || a->inverse_p != b->inverse_p
|| a->fill_line_p != b->fill_line_p
|| a->truncated_on_right_p != b->truncated_on_right_p
|| a->overlay_arrow_p != b->overlay_arrow_p
{
if (pool)
{
- /* More freed than allocated? */
+ /* More freed than allocated? */
--glyph_pool_count;
xassert (glyph_pool_count >= 0);
pool->nglyphs = needed;
}
- /* Remember the number of rows and columns because (a) we use then
+ /* Remember the number of rows and columns because (a) we use them
to do sanity checks, and (b) the number of columns determines
where rows in the frame matrix start---this must be available to
determine pointers to rows of window sub-matrices. */
CHANGED_LEAF_MATRIX set if the dimension or location of a matrix of
any window in the tree will be changed or have been changed (see
- DIM_ONLY_P).
+ DIM_ONLY_P)
*WINDOW_CHANGE_FLAGS must be initialized by the caller of this
function.
#define CHANGED_LEAF_MATRIX (1 << 1)
static struct dim
-allocate_matrices_for_frame_redisplay (window, x, y, ch_dim,
- dim_only_p, window_change_flags)
+allocate_matrices_for_frame_redisplay (window, x, y, dim_only_p,
+ window_change_flags)
Lisp_Object window;
int x, y;
- struct dim ch_dim;
int dim_only_p;
int *window_change_flags;
{
w = XWINDOW (window);
/* Get the dimension of the window sub-matrix for W, depending
- on whether this a combination or a leaf window. */
+ on whether this is a combination or a leaf window. */
if (!NILP (w->hchild))
- dim = allocate_matrices_for_frame_redisplay (w->hchild, x, y, ch_dim,
+ dim = allocate_matrices_for_frame_redisplay (w->hchild, x, y,
dim_only_p,
window_change_flags);
else if (!NILP (w->vchild))
- dim = allocate_matrices_for_frame_redisplay (w->vchild, x, y, ch_dim,
+ dim = allocate_matrices_for_frame_redisplay (w->vchild, x, y,
dim_only_p,
window_change_flags);
else
/* Width and height MUST be chosen so that there are no
holes in the frame matrix. */
- dim.width = XINT (w->width);
- dim.height = XINT (w->height);
+ dim.width = required_matrix_width (w);
+ dim.height = required_matrix_height (w);
/* Will matrix be re-allocated? */
if (x != w->desired_matrix->matrix_x
}
+/* Return the required height of glyph matrices for window W. */
+
+int
+required_matrix_height (w)
+ struct window *w;
+{
+#ifdef HAVE_WINDOW_SYSTEM
+ struct frame *f = XFRAME (w->frame);
+
+ if (FRAME_WINDOW_P (f))
+ {
+ int ch_height = FRAME_SMALLEST_FONT_HEIGHT (f);
+ int window_pixel_height = window_box_height (w) + abs (w->vscroll);
+ return (((window_pixel_height + ch_height - 1)
+ / ch_height)
+ /* One partially visible line at the top and
+ bottom of the window. */
+ + 2
+ /* 2 for header and mode line. */
+ + 2);
+ }
+#endif /* HAVE_WINDOW_SYSTEM */
+
+ return XINT (w->height);
+}
+
+
+/* Return the required width of glyph matrices for window W. */
+
+int
+required_matrix_width (w)
+ struct window *w;
+{
+#ifdef HAVE_WINDOW_SYSTEM
+ struct frame *f = XFRAME (w->frame);
+ if (FRAME_WINDOW_P (f))
+ {
+ int ch_width = FRAME_SMALLEST_CHAR_WIDTH (f);
+ int window_pixel_width = XFLOATINT (w->width) * CANON_X_UNIT (f);
+
+ /* Compute number of glyphs needed in a glyph row. */
+ return (((window_pixel_width + ch_width - 1)
+ / ch_width)
+ /* 2 partially visible columns in the text area. */
+ + 2
+ /* One partially visible column at the right
+ edge of each marginal area. */
+ + 1 + 1);
+ }
+#endif /* HAVE_WINDOW_SYSTEM */
+
+ return XINT (w->width);
+}
+
+
/* Allocate window matrices for window-based redisplay. W is the
window whose matrices must be allocated/reallocated. CH_DIM is the
size of the smallest character that could potentially be used on W. */
static void
-allocate_matrices_for_window_redisplay (w, ch_dim)
+allocate_matrices_for_window_redisplay (w)
struct window *w;
- struct dim ch_dim;
{
- struct frame *f = XFRAME (w->frame);
-
while (w)
{
if (!NILP (w->vchild))
- allocate_matrices_for_window_redisplay (XWINDOW (w->vchild), ch_dim);
+ allocate_matrices_for_window_redisplay (XWINDOW (w->vchild));
else if (!NILP (w->hchild))
- allocate_matrices_for_window_redisplay (XWINDOW (w->hchild), ch_dim);
+ allocate_matrices_for_window_redisplay (XWINDOW (w->hchild));
else
{
/* W is a leaf window. */
- int window_pixel_width = XFLOATINT (w->width) * CANON_X_UNIT (f);
- int window_pixel_height = window_box_height (w) + abs (w->vscroll);
struct dim dim;
/* If matrices are not yet allocated, allocate them now. */
w->current_matrix = new_glyph_matrix (NULL);
}
- /* Compute number of glyphs needed in a glyph row. */
- dim.width = (((window_pixel_width + ch_dim.width - 1)
- / ch_dim.width)
- /* 2 partially visible columns in the text area. */
- + 2
- /* One partially visible column at the right
- edge of each marginal area. */
- + 1 + 1);
-
- /* Compute number of glyph rows needed. */
- dim.height = (((window_pixel_height + ch_dim.height - 1)
- / ch_dim.height)
- /* One partially visible line at the top and
- bottom of the window. */
- + 2
- /* 2 for top and mode line. */
- + 2);
-
- /* Change matrices. */
+ dim.width = required_matrix_width (w);
+ dim.height = required_matrix_height (w);
adjust_glyph_matrix (w, w->desired_matrix, 0, 0, dim);
adjust_glyph_matrix (w, w->current_matrix, 0, 0, dim);
}
- r->used[LEFT_MARGIN_AREA]
- r->used[RIGHT_MARGIN_AREA]);
r->mode_line_p = 0;
- r->inverse_p = fr->inverse_p;
}
}
}
/* Save away the contents of frame F's current frame matrix. Value is
- a glyph matrix holding the contents of F's current frame matrix. '*/
+ a glyph matrix holding the contents of F's current frame matrix. */
static struct glyph_matrix *
save_current_matrix (f)
matrix_dim
= allocate_matrices_for_frame_redisplay (FRAME_ROOT_WINDOW (f),
0, top_window_y,
- ch_dim, 1,
+ 1,
&window_change_flags);
/* Add in menu bar lines, if any. */
{
/* Do it for window matrices. */
allocate_matrices_for_frame_redisplay (FRAME_ROOT_WINDOW (f),
- 0, top_window_y, ch_dim, 0,
+ 0, top_window_y, 0,
&window_change_flags);
/* Size of frame matrices must equal size of frame. Note
#endif
/* Allocate/reallocate window matrices. */
- allocate_matrices_for_window_redisplay (XWINDOW (FRAME_ROOT_WINDOW (f)),
- ch_dim);
+ allocate_matrices_for_window_redisplay (XWINDOW (FRAME_ROOT_WINDOW (f)));
/* Allocate/ reallocate matrices of the dummy window used to display
the menu bar under X when no X toolkit support is available. */
XSETFASTINT (w->left, 0);
XSETFASTINT (w->height, FRAME_MENU_BAR_LINES (f));
XSETFASTINT (w->width, FRAME_WINDOW_WIDTH (f));
- allocate_matrices_for_window_redisplay (w, ch_dim);
+ allocate_matrices_for_window_redisplay (w);
}
#endif /* not USE_X_TOOLKIT */
XSETFASTINT (w->left, 0);
XSETFASTINT (w->height, FRAME_TOOL_BAR_LINES (f));
XSETFASTINT (w->width, FRAME_WINDOW_WIDTH (f));
- allocate_matrices_for_window_redisplay (w, ch_dim);
+ allocate_matrices_for_window_redisplay (w);
}
frame_row->used[TEXT_AREA]
= window_matrix->matrix_x + window_matrix->matrix_w;
- /* Or in other flags. */
- frame_row->inverse_p |= window_row->inverse_p;
-
/* Next row. */
++window_y;
++frame_y;
new_rows[i].enabled_p = 0;
}
- /* Do the same for window matrices, if MATRIX Is a frame matrix. */
+ /* Do the same for window matrices, if MATRIX is a frame matrix. */
if (frame_matrix_frame)
mirror_line_dance (XWINDOW (frame_matrix_frame->root_window),
unchanged_at_top, nlines, copy_from, retained_p);
/* Synchronize glyph pointers in the current matrix of window W with
- the current frame matrix. W must be full-width, and be on a tty
- frame. */
+ the current frame matrix. */
static void
sync_window_with_frame_matrix_rows (w)
{
struct frame *f = XFRAME (w->frame);
struct glyph_row *window_row, *window_row_end, *frame_row;
+ int left, right, x, width;
- /* Preconditions: W must be a leaf window and full-width. Its frame
- must have a frame matrix. */
+ /* Preconditions: W must be a leaf window on a tty frame. */
xassert (NILP (w->hchild) && NILP (w->vchild));
- xassert (WINDOW_FULL_WIDTH_P (w));
xassert (!FRAME_WINDOW_P (f));
- /* If W is a full-width window, glyph pointers in W's current matrix
- have, by definition, to be the same as glyph pointers in the
- corresponding frame matrix. */
+ left = margin_glyphs_to_reserve (w, 1, w->left_margin_width);
+ right = margin_glyphs_to_reserve (w, 1, w->right_margin_width);
+ x = w->current_matrix->matrix_x;
+ width = w->current_matrix->matrix_w;
+
window_row = w->current_matrix->rows;
window_row_end = window_row + w->current_matrix->nrows;
frame_row = f->current_matrix->rows + XFASTINT (w->top);
- while (window_row < window_row_end)
+
+ for (; window_row < window_row_end; ++window_row, ++frame_row)
{
- int area;
-
- for (area = LEFT_MARGIN_AREA; area <= LAST_AREA; ++area)
- window_row->glyphs[area] = frame_row->glyphs[area];
-
- ++window_row, ++frame_row;
+ window_row->glyphs[LEFT_MARGIN_AREA]
+ = frame_row->glyphs[0] + x;
+ window_row->glyphs[TEXT_AREA]
+ = window_row->glyphs[LEFT_MARGIN_AREA] + left;
+ window_row->glyphs[LAST_AREA]
+ = window_row->glyphs[LEFT_MARGIN_AREA] + width;
+ window_row->glyphs[RIGHT_MARGIN_AREA]
+ = window_row->glyphs[LAST_AREA] - right;
}
}
/* Translate horizontal position HPOS which is relative to window W to
- a vertical position relative to W's frame. */
+ a horizontal position relative to W's frame. */
static int
window_to_frame_hpos (w, hpos)
**********************************************************************/
DEFUN ("redraw-frame", Fredraw_frame, Sredraw_frame, 1, 1, 0,
- "Clear frame FRAME and output again what is supposed to appear on it.")
- (frame)
+ doc: /* Clear frame FRAME and output again what is supposed to appear on it. */)
+ (frame)
Lisp_Object frame;
{
struct frame *f;
- CHECK_LIVE_FRAME (frame, 0);
+ CHECK_LIVE_FRAME (frame);
f = XFRAME (frame);
/* Ignore redraw requests, if frame has no glyphs yet.
DEFUN ("redraw-display", Fredraw_display, Sredraw_display, 0, 0, "",
- "Clear and redisplay all visible frames.")
- ()
+ doc: /* Clear and redisplay all visible frames. */)
+ ()
{
Lisp_Object tail, frame;
struct glyph_row *glyph_row;
struct glyph *glyphs, *glyph, *end;
int n;
- /* Non-null means that Redisplay of W is based on window matrices. */
+ /* Non-null means that redisplay of W is based on window matrices. */
int window_redisplay_p = FRAME_WINDOW_P (f);
/* Non-null means we are in overwrite mode. */
int overwrite_p = !NILP (current_buffer->overwrite_mode);
it.current_y = w->cursor.y;
it.end_charpos = PT;
it.stop_charpos = min (PT, it.stop_charpos);
+ it.stop_charpos = max (IT_CHARPOS (it), it.stop_charpos);
/* More than one display element may be returned for PT - 1 if
(i) it's a control character which is translated into `\003' or
implemented for X frames. The implementation uses updated_window
and updated_row. */
updated_row = glyph_row;
+ updated_area = TEXT_AREA;
update_begin (f);
if (rif)
{
row = MATRIX_ROW (w->current_matrix, w->cursor.vpos);
/* Give up if PT is outside of the last known cursor row. */
- if (PT <= MATRIX_ROW_START_BYTEPOS (row)
- || PT >= MATRIX_ROW_END_BYTEPOS (row))
+ if (PT <= MATRIX_ROW_START_CHARPOS (row)
+ || PT >= MATRIX_ROW_END_CHARPOS (row))
return 0;
set_cursor_from_row (w, row, w->current_matrix, 0, 0, 0, 0);
/* Update the tool-bar window, if present. */
if (WINDOWP (f->tool_bar_window))
{
- Lisp_Object tem;
struct window *w = XWINDOW (f->tool_bar_window);
/* Update tool-bar window. */
if (w->must_be_updated_p)
{
+ Lisp_Object tem;
+
update_window (w, 1);
w->must_be_updated_p = 0;
if (row->used[RIGHT_MARGIN_AREA])
rif->fix_overlapping_area (w, row, RIGHT_MARGIN_AREA);
- /* Record in neighbor rows that ROW overwrites part of their
+ /* Record in neighbour rows that ROW overwrites part of their
display. */
if (row->phys_ascent > row->ascent && i > 0)
MATRIX_ROW (w->current_matrix, i - 1)->overlapped_p = 1;
{
struct glyph_row *row, *end;
struct glyph_row *mode_line_row;
- struct glyph_row *header_line_row = NULL;
+ struct glyph_row *header_line_row;
int yb, changed_p = 0, mouse_face_overwritten_p = 0, n_updated;
rif->update_window_begin_hook (w);
yb = window_text_bottom_y (w);
- /* If window has a top line, update it before everything else.
- Adjust y-positions of other rows by the top line height. */
+ /* If window has a header line, update it before everything else.
+ Adjust y-positions of other rows by the header line height. */
row = desired_matrix->rows;
end = row + desired_matrix->nrows - 1;
+
if (row->mode_line_p)
- header_line_row = row++;
+ {
+ header_line_row = row;
+ ++row;
+ }
+ else
+ header_line_row = NULL;
/* Update the mode line, if necessary. */
mode_line_row = MATRIX_MODE_LINE_ROW (desired_matrix);
/* Try reusing part of the display by copying. */
if (row < end && !desired_matrix->no_scrolling_p)
- if (scrolling_window (w, header_line_row != NULL) > 0)
- force_p = changed_p = 1;
+ {
+ int rc = scrolling_window (w, header_line_row != NULL);
+ if (rc < 0)
+ {
+ /* All rows were found to be equal. */
+ paused_p = 0;
+ goto set_cursor;
+ }
+ else if (rc > 0)
+ /* We've scrolled the display. */
+ force_p = 1;
+ changed_p = 1;
+ }
- /* Update the top mode line after scrolling because a new top
+ /* Update the header line after scrolling because a new header
line would otherwise overwrite lines at the top of the window
that can be scrolled. */
if (header_line_row && header_line_row->enabled_p)
int vpos = MATRIX_ROW_VPOS (row, desired_matrix);
int i;
- /* We'll Have to play a little bit with when to
+ /* We'll have to play a little bit with when to
detect_input_pending. If it's done too often,
scrolling large windows with repeated scroll-up
commands will too quickly pause redisplay. */
/* Was display preempted? */
paused_p = row < end;
- /* Fix the appearance of overlapping(overlapped rows. */
+ set_cursor:
+
+ /* Fix the appearance of overlapping/overlapped rows. */
if (!paused_p && !w->pseudo_window_p)
{
if (changed_p && rif->fix_overlapping_area)
strcpy (w->current_matrix->method, w->desired_matrix->method);
#endif
- /* End of update of window W. */
- rif->update_window_end_hook (w, 1, mouse_face_overwritten_p);
+ /* End the update of window W. Don't set the cursor if we
+ paused updating the display because in this case,
+ set_window_cursor_after_update hasn't been called, and
+ output_cursor doesn't contain the cursor location. */
+ rif->update_window_end_hook (w, !paused_p, mouse_face_overwritten_p);
}
else
paused_p = 1;
int yb = window_text_bottom_y (w);
last_row = NULL;
- for (row = MATRIX_ROW (w->current_matrix, 0);
- row->enabled_p;
- ++row)
+ row = w->current_matrix->rows;
+ while (row->enabled_p
+ && (last_row == NULL
+ || MATRIX_ROW_BOTTOM_Y (row) <= yb))
{
if (row->used[TEXT_AREA]
&& row->glyphs[TEXT_AREA][0].charpos >= 0)
last_row = row;
-
- if (MATRIX_ROW_BOTTOM_Y (row) >= yb)
- break;
+ ++row;
}
if (last_row)
{
- struct glyph *start = row->glyphs[TEXT_AREA];
- struct glyph *last = start + row->used[TEXT_AREA] - 1;
+ struct glyph *start = last_row->glyphs[TEXT_AREA];
+ struct glyph *last = start + last_row->used[TEXT_AREA] - 1;
while (last > start && last->charpos < 0)
--last;
static struct run **runs;
-static struct row_entry *add_row_entry P_ ((struct window *,
- struct glyph_row *));
-
-
/* Add glyph row ROW to the scrolling hash table during the scrolling
of window W. */
/* Try to reuse part of the current display of W by scrolling lines.
- HEADER_LINE_P non-zero means W has a top mode line.
+ HEADER_LINE_P non-zero means W has a header line.
The algorithm is taken from Communications of the ACM, Apr78 "A
Technique for Isolating Differences Between Files." It should take
#ifdef EMACS_OUTQSIZE
if (EMACS_OUTQSIZE (0, &outq) < 0)
/* Probably not a tty. Ignore the error and reset
- * the outq count. */
+ the outq count. */
outq = PENDING_OUTPUT_COUNT (stdout);
#endif
outq *= 10;
if (colored_spaces_p)
write_spaces_p = 1;
- if (desired_row->inverse_p
- != (current_row->enabled_p && current_row->inverse_p))
- {
- int n = current_row->enabled_p ? current_row->used[TEXT_AREA] : 0;
- change_line_highlight (desired_row->inverse_p, vpos, vpos, n);
- current_row->enabled_p = 0;
- }
- else
- reassert_line_highlight (desired_row->inverse_p, vpos);
-
/* Current row not enabled means it has unknown contents. We must
write the whole desired line in that case. */
must_write_whole_line_p = !current_row->enabled_p;
obody = MATRIX_ROW_GLYPH_START (current_matrix, vpos);
olen = current_row->used[TEXT_AREA];
- if (!current_row->inverse_p)
- {
- /* Ignore trailing spaces, if we can. */
- if (!write_spaces_p)
- while (olen > 0 && CHAR_GLYPH_SPACE_P (obody[olen-1]))
- olen--;
- }
- else
- {
- /* For an inverse-video line, make sure it's filled with
- spaces all the way to the frame edge so that the reverse
- video extends all the way across. */
- while (olen < FRAME_WIDTH (f) - 1)
- obody[olen++] = space_glyph;
- }
+ /* Ignore trailing spaces, if we can. */
+ if (!write_spaces_p)
+ while (olen > 0 && CHAR_GLYPH_SPACE_P (obody[olen-1]))
+ olen--;
}
current_row->enabled_p = 1;
current_row->used[TEXT_AREA] = desired_row->used[TEXT_AREA];
- current_row->inverse_p = desired_row->inverse_p;
/* If desired line is empty, just clear the line. */
if (!desired_row->enabled_p)
/* Pretend trailing spaces are not there at all,
unless for one reason or another we must write all spaces. */
- if (!desired_row->inverse_p)
- {
- if (!write_spaces_p)
- while (nlen > 0 && CHAR_GLYPH_SPACE_P (nbody[nlen - 1]))
- nlen--;
- }
- else
- {
- /* For an inverse-video line, give it extra trailing spaces all
- the way to the frame edge so that the reverse video extends
- all the way across. */
- while (nlen < FRAME_WIDTH (f) - 1)
- nbody[nlen++] = space_glyph;
- }
+ if (!write_spaces_p)
+ while (nlen > 0 && CHAR_GLYPH_SPACE_P (nbody[nlen - 1]))
+ nlen--;
/* If there's no i/d char, quickly do the best we can without it. */
if (!char_ins_del_ok)
{
/* If current line is blank, skip over initial spaces, if
possible, and write the rest. */
- if (write_spaces_p || desired_row->inverse_p)
+ if (write_spaces_p)
nsp = 0;
else
nsp = count_blanks (nbody, nlen);
/* Compute number of leading blanks in old and new contents. */
osp = count_blanks (obody, olen);
- nsp = (desired_row->inverse_p || colored_spaces_p
- ? 0
- : count_blanks (nbody, nlen));
+ nsp = (colored_spaces_p ? 0 : count_blanks (nbody, nlen));
/* Compute number of matching chars starting with first non-blank. */
begmatch = count_match (obody + osp, obody + olen,
/* Value is the string under window-relative coordinates X/Y in the
- mode or top line of window W, or nil if none. MODE_LINE_P non-zero
+ mode or header line of window W, or nil if none. MODE_LINE_P non-zero
means look at the mode line. *CHARPOS is set to the position in
the string returned. */
if (row->mode_line_p && row->enabled_p)
{
- /* The mode lines are displayed over scroll bars and bitmap
- areas, and X is window-relative. Correct X by the scroll bar
- and bitmap area width. */
+ /* The mode lines are displayed over scroll bars and fringes,
+ and X is window-relative. Correct X by the scroll bar
+ and fringe width. */
if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (f))
x += FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f);
- x += FRAME_LEFT_FLAGS_AREA_WIDTH (f);
+ x += FRAME_LEFT_FRINGE_WIDTH (f);
/* Find the glyph under X. If we find one with a string object,
it's the one we were looking for. */
}
adjust_glyphs (f);
- SET_FRAME_GARBAGED (f);
calculate_costs (f);
+ SET_FRAME_GARBAGED (f);
+ f->resized_p = 1;
UNBLOCK_INPUT;
***********************************************************************/
DEFUN ("open-termscript", Fopen_termscript, Sopen_termscript,
- 1, 1, "FOpen termscript file: ",
- "Start writing all terminal output to FILE as well as the terminal.\n\
-FILE = nil means just close any termscript file currently open.")
- (file)
+ 1, 1, "FOpen termscript file: ",
+ doc: /* Start writing all terminal output to FILE as well as the terminal.
+FILE = nil means just close any termscript file currently open. */)
+ (file)
Lisp_Object file;
{
if (termscript != 0) fclose (termscript);
DEFUN ("send-string-to-terminal", Fsend_string_to_terminal,
- Ssend_string_to_terminal, 1, 1, 0,
- "Send STRING to the terminal without alteration.\n\
-Control characters in STRING will have terminal-dependent effects.")
- (string)
+ Ssend_string_to_terminal, 1, 1, 0,
+ doc: /* Send STRING to the terminal without alteration.
+Control characters in STRING will have terminal-dependent effects. */)
+ (string)
Lisp_Object string;
{
/* ??? Perhaps we should do something special for multibyte strings here. */
- CHECK_STRING (string, 0);
+ CHECK_STRING (string);
fwrite (XSTRING (string)->data, 1, STRING_BYTES (XSTRING (string)), stdout);
fflush (stdout);
if (termscript)
DEFUN ("ding", Fding, Sding, 0, 1, 0,
- "Beep, or flash the screen.\n\
-Also, unless an argument is given,\n\
-terminate any keyboard macro currently executing.")
- (arg)
+ doc: /* Beep, or flash the screen.
+Also, unless an argument is given,
+terminate any keyboard macro currently executing. */)
+ (arg)
Lisp_Object arg;
{
if (!NILP (arg))
***********************************************************************/
DEFUN ("sleep-for", Fsleep_for, Ssleep_for, 1, 2, 0,
- "Pause, without updating display, for SECONDS seconds.\n\
-SECONDS may be a floating-point value, meaning that you can wait for a\n\
-fraction of a second. Optional second arg MILLISECONDS specifies an\n\
-additional wait period, in milliseconds; this may be useful if your\n\
-Emacs was built without floating point support.\n\
-\(Not all operating systems support waiting for a fraction of a second.)")
- (seconds, milliseconds)
+ doc: /* Pause, without updating display, for SECONDS seconds.
+SECONDS may be a floating-point value, meaning that you can wait for a
+fraction of a second. Optional second arg MILLISECONDS specifies an
+additional wait period, in milliseconds; this may be useful if your
+Emacs was built without floating point support.
+\(Not all operating systems support waiting for a fraction of a second.) */)
+ (seconds, milliseconds)
Lisp_Object seconds, milliseconds;
{
int sec, usec;
if (NILP (milliseconds))
XSETINT (milliseconds, 0);
else
- CHECK_NUMBER (milliseconds, 1);
+ CHECK_NUMBER (milliseconds);
usec = XINT (milliseconds) * 1000;
{
/* Assure that 0 <= usec < 1000000. */
if (usec < 0)
{
- /* We can't rely on the rounding being correct if user is negative. */
+ /* We can't rely on the rounding being correct if usec is negative. */
if (-1000000 < usec)
sec--, usec += 1000000;
else
#else /* not VMS */
/* The reason this is done this way
(rather than defined (H_S) && defined (H_T))
- is because the VMS preprocessor doesn't grok `defined' */
+ is because the VMS preprocessor doesn't grok `defined'. */
#ifdef HAVE_SELECT
EMACS_GET_TIME (end_time);
EMACS_SET_SECS_USECS (timeout, sec, usec);
DEFUN ("sit-for", Fsit_for, Ssit_for, 1, 3, 0,
- "Perform redisplay, then wait for SECONDS seconds or until input is available.\n\
-SECONDS may be a floating-point value, meaning that you can wait for a\n\
-fraction of a second. Optional second arg MILLISECONDS specifies an\n\
-additional wait period, in milliseconds; this may be useful if your\n\
-Emacs was built without floating point support.\n\
-\(Not all operating systems support waiting for a fraction of a second.)\n\
-Optional third arg NODISP non-nil means don't redisplay, just wait for input.\n\
-Redisplay is preempted as always if input arrives, and does not happen\n\
-if input is available before it starts.\n\
-Value is t if waited the full time with no input arriving.")
- (seconds, milliseconds, nodisp)
+ doc: /* Perform redisplay, then wait for SECONDS seconds or until input is available.
+SECONDS may be a floating-point value, meaning that you can wait for a
+fraction of a second. Optional second arg MILLISECONDS specifies an
+additional wait period, in milliseconds; this may be useful if your
+Emacs was built without floating point support.
+\(Not all operating systems support waiting for a fraction of a second.)
+Optional third arg NODISP non-nil means don't redisplay, just wait for input.
+Redisplay is preempted as always if input arrives, and does not happen
+if input is available before it starts.
+Value is t if waited the full time with no input arriving. */)
+ (seconds, milliseconds, nodisp)
Lisp_Object seconds, milliseconds, nodisp;
{
int sec, usec;
if (NILP (milliseconds))
XSETINT (milliseconds, 0);
else
- CHECK_NUMBER (milliseconds, 1);
+ CHECK_NUMBER (milliseconds);
usec = XINT (milliseconds) * 1000;
{
DEFUN ("frame-or-buffer-changed-p", Fframe_or_buffer_changed_p,
- Sframe_or_buffer_changed_p, 0, 0, 0,
- "Return non-nil if the frame and buffer state appears to have changed.\n\
-The state variable is an internal vector containing all frames and buffers,\n\
-aside from buffers whose names start with space,\n\
-along with the buffers' read-only and modified flags, which allows a fast\n\
-check to see whether the menu bars might need to be recomputed.\n\
-If this function returns non-nil, it updates the internal vector to reflect\n\
-the current state.\n")
- ()
+ Sframe_or_buffer_changed_p, 0, 0, 0,
+ doc: /* Return non-nil if the frame and buffer state appears to have changed.
+The state variable is an internal vector containing all frames and buffers,
+aside from buffers whose names start with space,
+along with the buffers' read-only and modified flags, which allows a fast
+check to see whether the menu bars might need to be recomputed.
+If this function returns non-nil, it updates the internal vector to reflect
+the current state. */)
+ ()
{
Lisp_Object tail, frame, buf;
Lisp_Object *vecp;
#else
Vwindow_system_version = make_number (10);
#endif
-#if defined (LINUX) && defined (HAVE_LIBNCURSES)
+#if defined (GNU_LINUX) && defined (HAVE_LIBNCURSES)
/* In some versions of ncurses,
tputs crashes if we have not called tgetent.
So call tgetent. */
exit (1);
}
- /* Look at the TERM variable */
+ /* Look at the TERM variable. */
terminal_type = (char *) getenv ("TERM");
if (!terminal_type)
{
DEFUN ("internal-show-cursor", Finternal_show_cursor,
Sinternal_show_cursor, 2, 2, 0,
- "Set the cursor-visibility flag of WINDOW to SHOW.\n\
-WINDOW nil means use the selected window. SHOW non-nil means\n\
-show a cursor in WINDOW in the next redisplay. SHOW nil means\n\
-don't show a cursor.")
- (window, show)
+ doc: /* Set the cursor-visibility flag of WINDOW to SHOW.
+WINDOW nil means use the selected window. SHOW non-nil means
+show a cursor in WINDOW in the next redisplay. SHOW nil means
+don't show a cursor. */)
+ (window, show)
Lisp_Object window, show;
{
/* Don't change cursor state while redisplaying. This could confuse
if (NILP (window))
window = selected_window;
else
- CHECK_WINDOW (window, 2);
+ CHECK_WINDOW (window);
XWINDOW (window)->cursor_off_p = NILP (show);
}
DEFUN ("internal-show-cursor-p", Finternal_show_cursor_p,
Sinternal_show_cursor_p, 0, 1, 0,
- "Value is non-nil if next redisplay will display a cursor in WINDOW.\n\
-WINDOW nil or omitted means report on the selected window.")
- (window)
+ doc: /* Value is non-nil if next redisplay will display a cursor in WINDOW.
+WINDOW nil or omitted means report on the selected window. */)
+ (window)
Lisp_Object window;
{
struct window *w;
if (NILP (window))
window = selected_window;
else
- CHECK_WINDOW (window, 2);
+ CHECK_WINDOW (window);
w = XWINDOW (window);
return w->cursor_off_p ? Qnil : Qt;
staticpro (&Qredisplay_dont_pause);
DEFVAR_INT ("baud-rate", &baud_rate,
- "*The output baud rate of the terminal.\n\
-On most systems, changing this value will affect the amount of padding\n\
-and the other strategic decisions made during redisplay.");
+ doc: /* *The output baud rate of the terminal.
+On most systems, changing this value will affect the amount of padding
+and the other strategic decisions made during redisplay. */);
DEFVAR_BOOL ("inverse-video", &inverse_video,
- "*Non-nil means invert the entire frame display.\n\
-This means everything is in inverse video which otherwise would not be.");
+ doc: /* *Non-nil means invert the entire frame display.
+This means everything is in inverse video which otherwise would not be. */);
DEFVAR_BOOL ("visible-bell", &visible_bell,
- "*Non-nil means try to flash the frame to represent a bell.");
+ doc: /* *Non-nil means try to flash the frame to represent a bell.
+
+See also `ring-bell-function'. */);
DEFVAR_BOOL ("no-redraw-on-reenter", &no_redraw_on_reenter,
- "*Non-nil means no need to redraw entire frame after suspending.\n\
-A non-nil value is useful if the terminal can automatically preserve\n\
-Emacs's frame display when you reenter Emacs.\n\
-It is up to you to set this variable if your terminal can do that.");
+ doc: /* *Non-nil means no need to redraw entire frame after suspending.
+A non-nil value is useful if the terminal can automatically preserve
+Emacs's frame display when you reenter Emacs.
+It is up to you to set this variable if your terminal can do that. */);
DEFVAR_LISP ("window-system", &Vwindow_system,
- "A symbol naming the window-system under which Emacs is running\n\
-\(such as `x'), or nil if emacs is running on an ordinary terminal.");
+ doc: /* Name of window system that Emacs is displaying through.
+The value is a symbol--for instance, `x' for X windows.
+The value is nil if Emacs is using a text-only terminal. */);
DEFVAR_LISP ("window-system-version", &Vwindow_system_version,
- "The version number of the window system in use.\n\
-For X windows, this is 10 or 11.");
+ doc: /* The version number of the window system in use.
+For X windows, this is 10 or 11. */);
DEFVAR_BOOL ("cursor-in-echo-area", &cursor_in_echo_area,
- "Non-nil means put cursor in minibuffer, at end of any message there.");
+ doc: /* Non-nil means put cursor in minibuffer, at end of any message there. */);
DEFVAR_LISP ("glyph-table", &Vglyph_table,
- "Table defining how to output a glyph code to the frame.\n\
-If not nil, this is a vector indexed by glyph code to define the glyph.\n\
-Each element can be:\n\
- integer: a glyph code which this glyph is an alias for.\n\
- string: output this glyph using that string (not impl. in X windows).\n\
- nil: this glyph mod 524288 is the code of a character to output,\n\
- and this glyph / 524288 is the face number (see `face-id') to use\n\
- while outputting it.");
+ doc: /* Table defining how to output a glyph code to the frame.
+If not nil, this is a vector indexed by glyph code to define the glyph.
+Each element can be:
+ integer: a glyph code which this glyph is an alias for.
+ string: output this glyph using that string (not impl. in X windows).
+ nil: this glyph mod 524288 is the code of a character to output,
+ and this glyph / 524288 is the face number (see `face-id') to use
+ while outputting it. */);
Vglyph_table = Qnil;
DEFVAR_LISP ("standard-display-table", &Vstandard_display_table,
- "Display table to use for buffers that specify none.\n\
-See `buffer-display-table' for more information.");
+ doc: /* Display table to use for buffers that specify none.
+See `buffer-display-table' for more information. */);
Vstandard_display_table = Qnil;
DEFVAR_BOOL ("redisplay-dont-pause", &redisplay_dont_pause,
- "*Non-nil means update isn't paused when input is detected.");
+ doc: /* *Non-nil means update isn't paused when input is detected. */);
redisplay_dont_pause = 0;
/* Initialize `window-system', unless init_display already decided it. */
HCoop / bpt / emacs.git / blobdiff