/* Updating of data structures for redisplay.
- Copyright (C) 1985, 1986, 1987, 1988, 1993, 1994, 1995,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1985-1988, 1993-1995, 1997-2011 Free Software Foundation, Inc.
This file is part of GNU Emacs.
static void allocate_matrices_for_window_redisplay (struct window *);
static int realloc_glyph_pool (struct glyph_pool *, struct dim);
static void adjust_frame_glyphs (struct frame *);
-struct glyph_matrix *new_glyph_matrix (struct glyph_pool *);
+static struct glyph_matrix *new_glyph_matrix (struct glyph_pool *);
static void free_glyph_matrix (struct glyph_matrix *);
static void adjust_glyph_matrix (struct window *, struct glyph_matrix *,
int, int, struct dim);
static void change_frame_size_1 (struct frame *, int, int, int, int, int);
+static void increment_row_positions (struct glyph_row *, EMACS_INT, EMACS_INT);
static void swap_glyph_pointers (struct glyph_row *, struct glyph_row *);
#if GLYPH_DEBUG
static int glyph_row_slice_p (struct glyph_row *, struct glyph_row *);
static int update_window_tree (struct window *, int);
static int update_window (struct window *, int);
static int update_frame_1 (struct frame *, int, int);
+static int scrolling (struct frame *);
static void set_window_cursor_after_update (struct window *);
static void adjust_frame_glyphs_for_window_redisplay (struct frame *);
static void adjust_frame_glyphs_for_frame_redisplay (struct frame *);
/* 1 means SIGWINCH happened when not safe. */
-int delayed_size_change;
+static int delayed_size_change;
/* 1 means glyph initialization has been completed at startup. */
/* Counts of allocated structures. These counts serve to diagnose
memory leaks and double frees. */
-int glyph_matrix_count;
-int glyph_pool_count;
+static int glyph_matrix_count;
+static int glyph_pool_count;
/* If non-null, the frame whose frame matrices are manipulated. If
null, window matrices are worked on. */
w,
((BUFFERP (w->buffer)
&& STRINGP (XBUFFER (w->buffer)->name))
- ? (char *) SDATA (XBUFFER (w->buffer)->name)
+ ? SSDATA (XBUFFER (w->buffer)->name)
: "???"),
paused_p ? " ***paused***" : "");
strcat (buf, msg);
member `pool' of the glyph matrix structure returned is set to
POOL, the structure is otherwise zeroed. */
-struct glyph_matrix *
+static struct glyph_matrix *
new_glyph_matrix (struct glyph_pool *pool)
{
struct glyph_matrix *result;
the used count of the text area is zero. Such rows display line
ends. */
-void
+static void
increment_row_positions (struct glyph_row *row,
EMACS_INT delta, EMACS_INT delta_bytes)
{
}
-/* Copy contents of glyph row FROM to glyph row TO. Glyph pointers in
- TO and FROM are left unchanged. Glyph contents are copied from the
- glyph memory of FROM to the glyph memory of TO. Increment buffer
- positions in row TO by DELTA/ DELTA_BYTES. */
-
-void
-copy_glyph_row_contents (struct glyph_row *to, struct glyph_row *from,
- EMACS_INT delta, EMACS_INT delta_bytes)
-{
- int area;
-
- /* This is like a structure assignment TO = FROM, except that
- glyph pointers in the rows are left unchanged. */
- copy_row_except_pointers (to, from);
-
- /* Copy glyphs from FROM to TO. */
- for (area = 0; area < LAST_AREA; ++area)
- if (from->used[area])
- memcpy (to->glyphs[area], from->glyphs[area],
- from->used[area] * sizeof (struct glyph));
-
- /* Increment buffer positions in TO by DELTA. */
- increment_row_positions (to, delta, delta_bytes);
-}
-
-
/* Assign glyph row FROM to glyph row TO. This works like a structure
assignment TO = FROM, except that glyph pointers are not copied but
exchanged between TO and FROM. Pointers must be exchanged to avoid
/* Test two glyph rows A and B for equality. Value is non-zero if A
- and B have equal contents. W is the window to which the glyphs
- rows A and B belong. It is needed here to test for partial row
- visibility. MOUSE_FACE_P non-zero means compare the mouse_face_p
- flags of A and B, too. */
+ and B have equal contents. MOUSE_FACE_P non-zero means compare the
+ mouse_face_p flags of A and B, too. */
static INLINE int
-row_equal_p (struct window *w, struct glyph_row *a, struct glyph_row *b, int mouse_face_p)
+row_equal_p (struct glyph_row *a, struct glyph_row *b, int mouse_face_p)
{
if (a == b)
return 1;
static void
adjust_frame_glyphs_for_window_redisplay (struct frame *f)
{
- struct window *w;
-
xassert (FRAME_WINDOW_P (f) && FRAME_LIVE_P (f));
/* Allocate/reallocate window matrices. */
#if ! defined (USE_X_TOOLKIT) && ! defined (USE_GTK)
{
/* Allocate a dummy window if not already done. */
+ struct window *w;
if (NILP (f->menu_bar_window))
{
f->menu_bar_window = make_window ();
#endif /* HAVE_X_WINDOWS */
#ifndef USE_GTK
- /* Allocate/ reallocate matrices of the tool bar window. If we
- don't have a tool bar window yet, make one. */
- if (NILP (f->tool_bar_window))
- {
- f->tool_bar_window = make_window ();
+ {
+ /* Allocate/ reallocate matrices of the tool bar window. If we
+ don't have a tool bar window yet, make one. */
+ struct window *w;
+ if (NILP (f->tool_bar_window))
+ {
+ f->tool_bar_window = make_window ();
+ w = XWINDOW (f->tool_bar_window);
+ XSETFRAME (w->frame, f);
+ w->pseudo_window_p = 1;
+ }
+ else
w = XWINDOW (f->tool_bar_window);
- XSETFRAME (w->frame, f);
- w->pseudo_window_p = 1;
- }
- else
- w = XWINDOW (f->tool_bar_window);
- XSETFASTINT (w->top_line, FRAME_MENU_BAR_LINES (f));
- XSETFASTINT (w->left_col, 0);
- XSETFASTINT (w->total_lines, FRAME_TOOL_BAR_LINES (f));
- XSETFASTINT (w->total_cols, FRAME_TOTAL_COLS (f));
- allocate_matrices_for_window_redisplay (w);
+ XSETFASTINT (w->top_line, FRAME_MENU_BAR_LINES (f));
+ XSETFASTINT (w->left_col, 0);
+ XSETFASTINT (w->total_lines, FRAME_TOOL_BAR_LINES (f));
+ XSETFASTINT (w->total_cols, FRAME_TOTAL_COLS (f));
+ allocate_matrices_for_window_redisplay (w);
+ }
#endif
}
/* Return the window in the window tree rooted in W containing frame
row ROW. Value is null if none is found. */
-struct window *
+static struct window *
frame_row_to_window (struct window *w, int row)
{
struct window *found = NULL;
}
-/* This is used when frame_garbaged is set. Call Fredraw_frame on all
- visible frames marked as garbaged. */
-
-void
-redraw_garbaged_frames (void)
-{
- Lisp_Object tail, frame;
-
- FOR_EACH_FRAME (tail, frame)
- if (FRAME_VISIBLE_P (XFRAME (frame))
- && FRAME_GARBAGED_P (XFRAME (frame)))
- Fredraw_frame (frame);
-}
-
-
\f
/***********************************************************************
Frame Update
#endif /* HAVE_WINDOW_SYSTEM */
-#ifdef GLYPH_DEBUG
+#if defined GLYPH_DEBUG && 0
/* Check that no row in the current matrix of window W is enabled
which is below what's displayed in the window. */
-void
+static void
check_current_matrix_flags (struct window *w)
{
int last_seen_p = 0;
struct glyph_row *row, *end;
struct glyph_row *mode_line_row;
struct glyph_row *header_line_row;
- int yb, changed_p = 0, mouse_face_overwritten_p = 0, n_updated;
+ int yb, changed_p = 0, mouse_face_overwritten_p = 0;
+#if ! PERIODIC_PREEMPTION_CHECKING
+ int n_updated = 0;
+#endif
rif->update_window_begin_hook (w);
yb = window_text_bottom_y (w);
}
/* Update the rest of the lines. */
- for (n_updated = 0; row < end && (force_p || !input_pending); ++row)
+ for (; row < end && (force_p || !input_pending); ++row)
if (row->enabled_p)
{
int vpos = MATRIX_ROW_VPOS (row, desired_matrix);
{
/* Otherwise clear to the end of the old row. Everything
after that position should be clear already. */
- int x;
+ int xlim;
if (i >= desired_row->used[TEXT_AREA])
rif->cursor_to (vpos, i, desired_row->y,
: (w->phys_cursor.hpos >= desired_row->used[TEXT_AREA])))
{
w->phys_cursor_on_p = 0;
- x = -1;
+ xlim = -1;
}
else
- x = current_row->pixel_width;
- rif->clear_end_of_line (x);
+ xlim = current_row->pixel_width;
+ rif->clear_end_of_line (xlim);
changed_p = 1;
}
}
static struct run **runs;
-/* Add glyph row ROW to the scrolling hash table during the scrolling
- of window W. */
+/* Add glyph row ROW to the scrolling hash table. */
static INLINE struct row_entry *
-add_row_entry (struct window *w, struct glyph_row *row)
+add_row_entry (struct glyph_row *row)
{
struct row_entry *entry;
int i = row->hash % row_table_size;
entry = row_table[i];
- while (entry && !row_equal_p (w, entry->row, row, 1))
+ while (entry && !row_equal_p (entry->row, row, 1))
entry = entry->next;
if (entry == NULL)
&& c->y == d->y
&& MATRIX_ROW_BOTTOM_Y (c) <= yb
&& MATRIX_ROW_BOTTOM_Y (d) <= yb
- && row_equal_p (w, c, d, 1))
+ && row_equal_p (c, d, 1))
{
assign_row (c, d);
d->enabled_p = 0;
&& (MATRIX_ROW (current_matrix, i - 1)->y
== MATRIX_ROW (desired_matrix, j - 1)->y)
&& !MATRIX_ROW (desired_matrix, j - 1)->redraw_fringe_bitmaps_p
- && row_equal_p (w,
- MATRIX_ROW (desired_matrix, i - 1),
+ && row_equal_p (MATRIX_ROW (desired_matrix, i - 1),
MATRIX_ROW (current_matrix, j - 1), 1))
--i, --j;
last_new = i;
{
if (MATRIX_ROW (current_matrix, i)->enabled_p)
{
- entry = add_row_entry (w, MATRIX_ROW (current_matrix, i));
+ entry = add_row_entry (MATRIX_ROW (current_matrix, i));
old_lines[i] = entry;
++entry->old_uses;
}
for (i = first_new; i < last_new; ++i)
{
xassert (MATRIX_ROW_ENABLED_P (desired_matrix, i));
- entry = add_row_entry (w, MATRIX_ROW (desired_matrix, i));
+ entry = add_row_entry (MATRIX_ROW (desired_matrix, i));
++entry->new_uses;
entry->new_line_number = i;
new_lines[i] = entry;
&& old_lines[i]->old_uses == 1
&& old_lines[i]->new_uses == 1)
{
- int j, k;
+ int p, q;
int new_line = old_lines[i]->new_line_number;
struct run *run = run_pool + run_idx++;
run->height = MATRIX_ROW (current_matrix, i)->height;
/* Extend backward. */
- j = i - 1;
- k = new_line - 1;
- while (j > first_old
- && k > first_new
- && old_lines[j] == new_lines[k])
+ p = i - 1;
+ q = new_line - 1;
+ while (p > first_old
+ && q > first_new
+ && old_lines[p] == new_lines[q])
{
- int h = MATRIX_ROW (current_matrix, j)->height;
+ int h = MATRIX_ROW (current_matrix, p)->height;
--run->current_vpos;
--run->desired_vpos;
++run->nrows;
run->height += h;
run->desired_y -= h;
run->current_y -= h;
- --j, --k;
+ --p, --q;
}
/* Extend forward. */
- j = i + 1;
- k = new_line + 1;
- while (j < last_old
- && k < last_new
- && old_lines[j] == new_lines[k])
+ p = i + 1;
+ q = new_line + 1;
+ while (p < last_old
+ && q < last_new
+ && old_lines[p] == new_lines[q])
{
- int h = MATRIX_ROW (current_matrix, j)->height;
+ int h = MATRIX_ROW (current_matrix, p)->height;
++run->nrows;
run->height += h;
- ++j, ++k;
+ ++p, ++q;
}
/* Insert run into list of all runs. Order runs by copied
be copied because they are already in place. This is done
because we can avoid calling update_window_line in this
case. */
- for (j = 0; j < nruns && runs[j]->height > run->height; ++j)
+ for (p = 0; p < nruns && runs[p]->height > run->height; ++p)
;
- for (k = nruns; k > j; --k)
- runs[k] = runs[k - 1];
- runs[j] = run;
+ for (q = nruns; q > p; --q)
+ runs[q] = runs[q - 1];
+ runs[p] = run;
++nruns;
i += run->nrows;
for (i = 0; i < row_entry_idx; ++i)
row_table[row_entry_pool[i].bucket] = NULL;
- /* Value is > 0 to indicate that we scrolled the display. */
- return nruns;
+ /* Value is 1 to indicate that we scrolled the display. */
+ return 0 < nruns;
}
struct glyph_matrix *current_matrix = f->current_matrix;
struct glyph_matrix *desired_matrix = f->desired_matrix;
int i;
- int pause;
+ int pause_p;
int preempt_count = baud_rate / 2400 + 1;
xassert (current_matrix && desired_matrix);
#if !PERIODIC_PREEMPTION_CHECKING
if (!force_p && detect_input_pending_ignore_squeezables ())
{
- pause = 1;
+ pause_p = 1;
goto do_pause;
}
#endif
}
}
- pause = (i < FRAME_LINES (f) - 1) ? i : 0;
+ pause_p = (i < FRAME_LINES (f) - 1) ? i : 0;
/* Now just clean up termcap drivers and set cursor, etc. */
- if (!pause)
+ if (!pause_p)
{
if ((cursor_in_echo_area
/* If we are showing a message instead of the mini-buffer,
#endif
clear_desired_matrices (f);
- return pause;
+ return pause_p;
}
/* Do line insertions/deletions on frame F for frame-based redisplay. */
-int
+static int
scrolling (struct frame *frame)
{
int unchanged_at_top, unchanged_at_bottom;
#ifdef SIGWINCH
-SIGTYPE
+static void
window_change_signal (int signalnum) /* If we don't have an argument, */
/* some compilers complain in signal calls. */
{
if (! NILP (file))
{
file = Fexpand_file_name (file, Qnil);
- tty->termscript = fopen (SDATA (file), "w");
+ tty->termscript = fopen (SSDATA (file), "w");
if (tty->termscript == 0)
report_file_error ("Opening termscript", Fcons (file, Qnil));
}
state = frame_and_buffer_state;
vecp = XVECTOR (state)->contents;
- end = vecp + XVECTOR (state)->size;
+ end = vecp + ASIZE (state);
FOR_EACH_FRAME (tail, frame)
{
{
buf = XCDR (XCAR (tail));
/* Ignore buffers that aren't included in buffer lists. */
- if (SREF (XBUFFER (buf)->name, 0) == ' ')
+ if (SREF (BVAR (XBUFFER (buf), name), 0) == ' ')
continue;
if (vecp == end)
goto changed;
goto changed;
if (vecp == end)
goto changed;
- if (!EQ (*vecp++, XBUFFER (buf)->read_only))
+ if (!EQ (*vecp++, BVAR (XBUFFER (buf), read_only)))
goto changed;
if (vecp == end)
goto changed;
/* Reallocate the vector if data has grown to need it,
or if it has shrunk a lot. */
if (! VECTORP (state)
- || n > XVECTOR (state)->size
- || n + 20 < XVECTOR (state)->size / 2)
+ || n > ASIZE (state)
+ || n + 20 < ASIZE (state) / 2)
/* Add 20 extra so we grow it less often. */
{
state = Fmake_vector (make_number (n + 20), Qlambda);
{
buf = XCDR (XCAR (tail));
/* Ignore buffers that aren't included in buffer lists. */
- if (SREF (XBUFFER (buf)->name, 0) == ' ')
+ if (SREF (BVAR (XBUFFER (buf), name), 0) == ' ')
continue;
*vecp++ = buf;
- *vecp++ = XBUFFER (buf)->read_only;
+ *vecp++ = BVAR (XBUFFER (buf), read_only);
*vecp++ = Fbuffer_modified_p (buf);
}
/* Fill up the vector with lambdas (always at least one). */
*vecp++ = Qlambda;
while (vecp - XVECTOR (state)->contents
- < XVECTOR (state)->size)
+ < ASIZE (state))
*vecp++ = Qlambda;
/* Make sure we didn't overflow the vector. */
if (vecp - XVECTOR (state)->contents
- > XVECTOR (state)->size)
+ > ASIZE (state))
abort ();
return Qt;
}
Vwindow_system_version = Qnil;
}
}
-
HCoop / bpt / emacs.git / blobdiff