static void pint2hrstr (char *, int, ptrdiff_t);
static struct text_pos run_window_scroll_functions (Lisp_Object,
struct text_pos);
-static void reconsider_clip_changes (struct window *, struct buffer *);
static int text_outside_line_unchanged_p (struct window *,
ptrdiff_t, ptrdiff_t);
static void store_mode_line_noprop_char (char);
composition (in the case that the composition is from the current
buffer), draw a glyph composed from the composition components. */
if (find_composition (pos, -1, &start, &end, &prop, string)
- && COMPOSITION_VALID_P (start, end, prop)
+ && composition_valid_p (start, end, prop)
&& (STRINGP (it->string) || (PT <= start || PT >= end)))
{
if (start < pos)
static int
compare_overlay_entries (const void *e1, const void *e2)
{
- struct overlay_entry *entry1 = (struct overlay_entry *) e1;
- struct overlay_entry *entry2 = (struct overlay_entry *) e2;
+ struct overlay_entry const *entry1 = e1;
+ struct overlay_entry const *entry2 = e2;
int result;
if (entry1->after_string_p != entry2->after_string_p)
void
message1 (const char *m)
{
- message3 (m ? make_unibyte_string (m, strlen (m)) : Qnil);
+ message3 (m ? build_unibyte_string (m) : Qnil);
}
void
message1_nolog (const char *m)
{
- message3_nolog (m ? make_unibyte_string (m, strlen (m)) : Qnil);
+ message3_nolog (m ? build_unibyte_string (m) : Qnil);
}
/* Display a message M which contains a single %s
ptrdiff_t maxsize = FRAME_MESSAGE_BUF_SIZE (f);
char *message_buf = alloca (maxsize + 1);
- len = doprnt (message_buf, maxsize, m, (char *)0, ap);
+ len = doprnt (message_buf, maxsize, m, 0, ap);
message3 (make_string (message_buf, len));
}
&& UNCHANGED_MODIFIED < MODIFF);
}
-/* Nonzero if W doesn't reflect the actual state of current buffer due
- to its text or overlays change. FIXME: this may be called when
- XBUFFER (w->contents) != current_buffer, which looks suspicious. */
-
-static int
-window_outdated (struct window *w)
-{
- return (w->last_modified < MODIFF
- || w->last_overlay_modified < OVERLAY_MODIFF);
-}
-
/* Nonzero if W's buffer was changed but not saved or Transient Mark mode
is enabled and mark of W's buffer was changed since last W's update. */
{
f = XFRAME (frame);
if (!EQ (frame, tooltip_frame)
- && (FRAME_VISIBLE_P (f) || FRAME_ICONIFIED_P (f)))
+ && (FRAME_ICONIFIED_P (f)
+ || FRAME_VISIBLE_P (f) == 1
+ /* Exclude TTY frames that are obscured because they
+ are not the top frame on their console. This is
+ because x_consider_frame_title actually switches
+ to the frame, which for TTY frames means it is
+ marked as garbaged, and will be completely
+ redrawn on the next redisplay cycle. This causes
+ TTY frames to be completely redrawn, when there
+ are more than one of them, even though nothing
+ should be changed on display. */
+ || (FRAME_VISIBLE_P (f) == 2 && FRAME_WINDOW_P (f))))
x_consider_frame_title (frame);
}
}
/* EXPORT:
Set the global variable output_cursor to CURSOR. All cursor
- positions are relative to updated_window. */
+ positions are relative to currently updated window. */
void
set_output_cursor (struct cursor_pos *cursor)
/* EXPORT for RIF:
Set a nominal cursor position.
- HPOS and VPOS are column/row positions in a window glyph matrix. X
- and Y are window text area relative pixel positions.
+ HPOS and VPOS are column/row positions in a window glyph matrix.
+ X and Y are window text area relative pixel positions.
- If this is done during an update, updated_window will contain the
- window that is being updated and the position is the future output
- cursor position for that window. If updated_window is null, use
- selected_window and display the cursor at the given position. */
+ This is always done during window update, so the position is the
+ future output cursor position for currently updated window W.
+ NOTE: W is used only to check whether this function is called
+ in a consistent manner via the redisplay interface. */
void
-x_cursor_to (int vpos, int hpos, int y, int x)
+x_cursor_to (struct window *w, int vpos, int hpos, int y, int x)
{
- struct window *w;
-
- /* If updated_window is not set, work on selected_window. */
- if (updated_window)
- w = updated_window;
- else
- w = XWINDOW (selected_window);
+ eassert (w);
/* Set the output cursor. */
output_cursor.hpos = hpos;
output_cursor.vpos = vpos;
output_cursor.x = x;
output_cursor.y = y;
-
- /* If not called as part of an update, really display the cursor.
- This will also set the cursor position of W. */
- if (updated_window == NULL)
- {
- block_input ();
- display_and_set_cursor (w, 1, hpos, vpos, x, y);
- if (FRAME_RIF (SELECTED_FRAME ())->flush_display_optional)
- FRAME_RIF (SELECTED_FRAME ())->flush_display_optional (SELECTED_FRAME ());
- unblock_input ();
- }
}
#endif /* HAVE_WINDOW_SYSTEM */
if (prev_pt > BUF_BEGV (buf) && prev_pt < BUF_ZV (buf)
&& find_composition (prev_pt, -1, &start, &end, &prop, buffer)
- && COMPOSITION_VALID_P (start, end, prop)
+ && composition_valid_p (start, end, prop)
&& start < prev_pt && end > prev_pt)
/* The last point was within the composition. Return 1 iff
point moved out of the composition. */
/* Check a composition at the current point. */
return (pt > BUF_BEGV (buf) && pt < BUF_ZV (buf)
&& find_composition (pt, -1, &start, &end, &prop, buffer)
- && COMPOSITION_VALID_P (start, end, prop)
+ && composition_valid_p (start, end, prop)
&& start < pt && end > pt);
}
-
-/* Reconsider the setting of B->clip_changed which is displayed
- in window W. */
+/* Reconsider the clip changes of buffer which is displayed in W. */
static void
-reconsider_clip_changes (struct window *w, struct buffer *b)
+reconsider_clip_changes (struct window *w)
{
+ struct buffer *b = XBUFFER (w->contents);
+
if (b->clip_changed
&& w->window_end_valid
&& w->current_matrix->buffer == b
we set b->clip_changed to 1 to force updating the screen. If
b->clip_changed has already been set to 1, we can skip this
check. */
- if (!b->clip_changed && BUFFERP (w->contents) && w->window_end_valid)
+ if (!b->clip_changed && w->window_end_valid)
{
- ptrdiff_t pt;
+ ptrdiff_t pt = (w == XWINDOW (selected_window)
+ ? PT : marker_position (w->pointm));
- if (w == XWINDOW (selected_window))
- pt = PT;
- else
- pt = marker_position (w->pointm);
-
- if ((w->current_matrix->buffer != XBUFFER (w->contents)
- || pt != w->last_point)
+ if ((w->current_matrix->buffer != b || pt != w->last_point)
&& check_point_in_composition (w->current_matrix->buffer,
- w->last_point,
- XBUFFER (w->contents), pt))
+ w->last_point, b, pt))
b->clip_changed = 1;
}
}
-\f
#define STOP_POLLING \
do { if (! polling_stopped_here) stop_polling (); \
struct window *sw;
struct frame *fr;
int pending;
- int must_finish = 0;
+ bool must_finish = 0, match_p;
struct text_pos tlbufpos, tlendpos;
int number_of_visible_frames;
- ptrdiff_t count, count1;
+ ptrdiff_t count;
struct frame *sf;
int polling_stopped_here = 0;
Lisp_Object tail, frame;
sw = w;
pending = 0;
- reconsider_clip_changes (w, current_buffer);
last_escape_glyph_frame = NULL;
last_escape_glyph_face_id = (1 << FACE_ID_BITS);
last_glyphless_glyph_frame = NULL;
/* do_pending_window_change could change the selected_window due to
frame resizing which makes the selected window too small. */
if (WINDOWP (selected_window) && (w = XWINDOW (selected_window)) != sw)
- {
- sw = w;
- reconsider_clip_changes (w, current_buffer);
- }
+ sw = w;
/* Clear frames marked as garbaged. */
clear_garbaged_frames ();
if (windows_or_buffers_changed)
update_mode_lines++;
- /* Detect case that we need to write or remove a star in the mode line. */
- if ((SAVE_MODIFF < MODIFF) != w->last_had_star)
+ reconsider_clip_changes (w);
+
+ /* In most cases selected window displays current buffer. */
+ match_p = XBUFFER (w->contents) == current_buffer;
+ if (match_p)
{
- w->update_mode_line = 1;
- if (buffer_shared_and_changed ())
- update_mode_lines++;
- }
+ ptrdiff_t count1;
- /* Avoid invocation of point motion hooks by `current_column' below. */
- count1 = SPECPDL_INDEX ();
- specbind (Qinhibit_point_motion_hooks, Qt);
+ /* Detect case that we need to write or remove a star in the mode line. */
+ if ((SAVE_MODIFF < MODIFF) != w->last_had_star)
+ {
+ w->update_mode_line = 1;
+ if (buffer_shared_and_changed ())
+ update_mode_lines++;
+ }
- if (mode_line_update_needed (w))
- w->update_mode_line = 1;
+ /* Avoid invocation of point motion hooks by `current_column' below. */
+ count1 = SPECPDL_INDEX ();
+ specbind (Qinhibit_point_motion_hooks, Qt);
+
+ if (mode_line_update_needed (w))
+ w->update_mode_line = 1;
- unbind_to (count1, Qnil);
+ unbind_to (count1, Qnil);
+ }
consider_all_windows_p = (update_mode_lines
|| buffer_shared_and_changed ()
&& !FRAME_OBSCURED_P (XFRAME (w->frame))
/* Make sure recorded data applies to current buffer, etc. */
&& this_line_buffer == current_buffer
- && current_buffer == XBUFFER (w->contents)
+ && match_p
&& !w->force_start
&& !w->optional_new_start
/* Point must be on the line that we have info recorded about. */
struct window *w = XWINDOW (window);
SET_MARKER_FROM_TEXT_POS (w->start, startp);
- if (current_buffer != XBUFFER (w->contents))
- emacs_abort ();
+ eassert (current_buffer == XBUFFER (w->contents));
if (!NILP (Vwindow_scroll_functions))
{
eassert (XMARKER (w->pointm)->buffer == buffer);
restart:
- reconsider_clip_changes (w, buffer);
+ reconsider_clip_changes (w);
frame_line_height = default_line_pixel_height (w);
/* Has the mode line to be updated? */
startp = run_window_scroll_functions (window, startp);
}
- w->last_modified = 0;
- w->last_overlay_modified = 0;
if (CHARPOS (startp) < BEGV)
SET_TEXT_POS (startp, BEGV, BEGV_BYTE);
else if (CHARPOS (startp) > ZV)
try_to_scroll:
- w->last_modified = 0;
- w->last_overlay_modified = 0;
-
/* Redisplay the mode line. Select the buffer properly for that. */
if (!update_mode_line)
{
(Lisp_Object direction)
{
struct window *w = XWINDOW (selected_window);
- struct buffer *b = NULL;
+ struct buffer *b = XBUFFER (w->contents);
struct glyph_row *row;
int dir;
Lisp_Object paragraph_dir;
else
dir = -1;
- if (BUFFERP (w->contents))
- b = XBUFFER (w->contents);
-
/* If current matrix is up-to-date, we can use the information
recorded in the glyphs, at least as long as the goal is on the
screen. */
&& b
&& !b->clip_changed
&& !b->prevent_redisplay_optimizations_p
- && w->last_modified >= BUF_MODIFF (b)
- && w->last_overlay_modified >= BUF_OVERLAY_MODIFF (b)
+ && !window_outdated (w)
&& w->cursor.vpos >= 0
&& w->cursor.vpos < w->current_matrix->nrows
&& (row = MATRIX_ROW (w->current_matrix, w->cursor.vpos))->enabled_p)
&& hlinfo->mouse_face_beg_row >= 0
&& hlinfo->mouse_face_end_row >= 0)
{
- struct glyph_row *mouse_beg_row, *mouse_end_row;
-
- mouse_beg_row = MATRIX_ROW (w->current_matrix, hlinfo->mouse_face_beg_row);
- mouse_end_row = MATRIX_ROW (w->current_matrix, hlinfo->mouse_face_end_row);
+ ptrdiff_t row_vpos = MATRIX_ROW_VPOS (row, w->current_matrix);
- if (row >= mouse_beg_row && row <= mouse_end_row)
+ if (row_vpos >= hlinfo->mouse_face_beg_row
+ && row_vpos <= hlinfo->mouse_face_end_row)
{
check_mouse_face = 1;
- mouse_beg_col = (row == mouse_beg_row)
+ mouse_beg_col = (row_vpos == hlinfo->mouse_face_beg_row)
? hlinfo->mouse_face_beg_col : 0;
- mouse_end_col = (row == mouse_end_row)
+ mouse_end_col = (row_vpos == hlinfo->mouse_face_end_row)
? hlinfo->mouse_face_end_col
: row->used[TEXT_AREA];
}
/* EXPORT for RIF:
Output LEN glyphs starting at START at the nominal cursor position.
Advance the nominal cursor over the text. The global variable
- updated_window contains the window being updated, updated_row is
- the glyph row being updated, and updated_area is the area of that
- row being updated. */
+ updated_row is the glyph row being updated, and updated_area is the
+ area of that row being updated. */
void
-x_write_glyphs (struct glyph *start, int len)
+x_write_glyphs (struct window *w, struct glyph *start, int len)
{
- int x, hpos, chpos = updated_window->phys_cursor.hpos;
+ int x, hpos, chpos = w->phys_cursor.hpos;
- eassert (updated_window && updated_row);
+ eassert (updated_row);
/* When the window is hscrolled, cursor hpos can legitimately be out
of bounds, but we draw the cursor at the corresponding window
margin in that case. */
/* Write glyphs. */
hpos = start - updated_row->glyphs[updated_area];
- x = draw_glyphs (updated_window, output_cursor.x,
+ x = draw_glyphs (w, output_cursor.x,
updated_row, updated_area,
hpos, hpos + len,
DRAW_NORMAL_TEXT, 0);
/* Invalidate old phys cursor if the glyph at its hpos is redrawn. */
if (updated_area == TEXT_AREA
- && updated_window->phys_cursor_on_p
- && updated_window->phys_cursor.vpos == output_cursor.vpos
+ && w->phys_cursor_on_p
+ && w->phys_cursor.vpos == output_cursor.vpos
&& chpos >= hpos
&& chpos < hpos + len)
- updated_window->phys_cursor_on_p = 0;
+ w->phys_cursor_on_p = 0;
unblock_input ();
Insert LEN glyphs from START at the nominal cursor position. */
void
-x_insert_glyphs (struct glyph *start, int len)
+x_insert_glyphs (struct window *w, struct glyph *start, int len)
{
struct frame *f;
- struct window *w;
int line_height, shift_by_width, shifted_region_width;
struct glyph_row *row;
struct glyph *glyph;
int frame_x, frame_y;
ptrdiff_t hpos;
- eassert (updated_window && updated_row);
+ eassert (updated_row);
block_input ();
- w = updated_window;
f = XFRAME (WINDOW_FRAME (w));
/* Get the height of the line we are in. */
(inclusive) to pixel column TO_X (exclusive). The idea is that
everything from TO_X onward is already erased.
- TO_X is a pixel position relative to updated_area of
- updated_window. TO_X == -1 means clear to the end of this area. */
+ TO_X is a pixel position relative to updated_area of currently
+ updated window W. TO_X == -1 means clear to the end of this area. */
void
-x_clear_end_of_line (int to_x)
+x_clear_end_of_line (struct window *w, int to_x)
{
struct frame *f;
- struct window *w = updated_window;
int max_x, min_y, max_y;
int from_x, from_y, to_y;
- eassert (updated_window && updated_row);
+ eassert (updated_row);
f = XFRAME (w->frame);
if (updated_row->full_width_p)
/* Are we in a window whose display is up to date?
And verify the buffer's text has not changed. */
b = XBUFFER (w->contents);
- if (part == ON_TEXT
- && w->window_end_valid
- && w->last_modified == BUF_MODIFF (b)
- && w->last_overlay_modified == BUF_OVERLAY_MODIFF (b))
+ if (part == ON_TEXT && w->window_end_valid && !window_outdated (w))
{
int hpos, vpos, dx, dy, area = LAST_AREA;
ptrdiff_t pos;
/* When we're currently updating the window, display and current
matrix usually don't agree. Arrange for a thorough display
later. */
- if (w == updated_window)
+ if (w->must_be_updated_p)
{
SET_FRAME_GARBAGED (f);
return 0;
HCoop / bpt / emacs.git / blobdiff