/* Fringe handling (split from xdisp.c).
- Copyright (C) 1985-1988, 1993-1995, 1997-2012 Free Software Foundation, Inc.
+ Copyright (C) 1985-1988, 1993-1995, 1997-2013 Free Software
+ Foundation, Inc.
This file is part of GNU Emacs.
#include <config.h>
#include <stdio.h>
+#include <byteswap.h>
+
#include "lisp.h"
#include "frame.h"
#include "window.h"
#include "blockinput.h"
#include "termhooks.h"
-#ifdef HAVE_WINDOW_SYSTEM
-
/* Fringe bitmaps are represented in three different ways:
Logical bitmaps are used internally to denote things like
and OTOH leaving out that one pixel leaves behind
traces of the cursor, if it was in column zero
before drawing non-empty margin area. */
- && NILP (w->left_margin_cols))
+ && w->left_margin_cols == 0)
? 1 : 0);
p.bx = x - wd;
p.nx = wd;
{
Lisp_Object cmap, bm = Qnil;
- if ((cmap = BVAR (XBUFFER (w->buffer), fringe_cursor_alist)), !NILP (cmap))
+ if ((cmap = BVAR (XBUFFER (w->contents), fringe_cursor_alist)), !NILP (cmap))
{
bm = Fassq (cursor, cmap);
if (CONSP (bm))
If partial, lookup partial bitmap in default value if not found here.
If not partial, or no partial spec is present, use non-partial bitmap. */
- if ((cmap = BVAR (XBUFFER (w->buffer), fringe_indicator_alist)), !NILP (cmap))
+ if ((cmap = BVAR (XBUFFER (w->contents), fringe_indicator_alist)), !NILP (cmap))
{
bm1 = Fassq (bitmap, cmap);
if (CONSP (bm1))
/* Draw the fringes of window W. Only fringes for rows marked for
update in redraw_fringe_bitmaps_p are drawn.
- Return >0 if left or right fringe was redrawn in any way.
+ Return nonzero if left or right fringe was redrawn in any way.
- If NO_FRINGE is non-zero, also return >0 if either fringe has zero width.
+ If NO_FRINGE_P is non-zero, also return nonzero if either fringe
+ has zero width.
- A return value >0 indicates that the vertical line between windows
- needs update (as it may be drawn in the fringe).
+ A return nonzero value indicates that the vertical line between
+ windows needs update (as it may be drawn in the fringe).
*/
-int
-draw_window_fringes (struct window *w, int no_fringe)
+bool
+draw_window_fringes (struct window *w, bool no_fringe_p)
{
struct glyph_row *row;
int yb = window_text_bottom_y (w);
int nrows = w->current_matrix->nrows;
int y, rn;
- int updated = 0;
+ bool updated_p = 0;
if (w->pseudo_window_p)
- return 0;
+ return updated_p;
/* Must draw line if no fringe */
- if (no_fringe
+ if (no_fringe_p
&& (WINDOW_LEFT_FRINGE_WIDTH (w) == 0
|| WINDOW_RIGHT_FRINGE_WIDTH (w) == 0))
- updated++;
+ updated_p = 1;
for (y = w->vscroll, rn = 0, row = w->current_matrix->rows;
y < yb && rn < nrows;
continue;
draw_row_fringe_bitmaps (w, row);
row->redraw_fringe_bitmaps_p = 0;
- updated++;
+ updated_p = 1;
}
- return updated;
+ return updated_p;
}
If KEEP_CURRENT_P is 0, update current_matrix too. */
-int
-update_window_fringes (struct window *w, int keep_current_p)
+bool
+update_window_fringes (struct window *w, bool keep_current_p)
{
struct glyph_row *row, *cur = 0;
int yb = window_text_bottom_y (w);
int rn, nrows = w->current_matrix->nrows;
int y;
- int redraw_p = 0;
+ bool redraw_p = 0;
Lisp_Object boundary_top = Qnil, boundary_bot = Qnil;
Lisp_Object arrow_top = Qnil, arrow_bot = Qnil;
Lisp_Object empty_pos;
return 0;
if (!MINI_WINDOW_P (w)
- && (ind = BVAR (XBUFFER (w->buffer), indicate_buffer_boundaries), !NILP (ind)))
+ && (ind = BVAR (XBUFFER (w->contents), indicate_buffer_boundaries), !NILP (ind)))
{
if (EQ (ind, Qleft) || EQ (ind, Qright))
boundary_top = boundary_bot = arrow_top = arrow_bot = ind;
{
if (top_ind_rn < 0 && row->visible_height > 0)
{
- if (MATRIX_ROW_START_CHARPOS (row) <= BUF_BEGV (XBUFFER (w->buffer))
+ if (MATRIX_ROW_START_CHARPOS (row) <= BUF_BEGV (XBUFFER (w->contents))
&& !MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (w, row))
row->indicate_bob_p = !NILP (boundary_top);
else
if (bot_ind_rn < 0)
{
- if (MATRIX_ROW_END_CHARPOS (row) >= BUF_ZV (XBUFFER (w->buffer))
+ if (MATRIX_ROW_END_CHARPOS (row) >= BUF_ZV (XBUFFER (w->contents))
&& !MATRIX_ROW_PARTIALLY_VISIBLE_AT_BOTTOM_P (w, row))
row->indicate_eob_p = !NILP (boundary_bot), bot_ind_rn = rn;
else if (y + row->height >= yb)
}
}
- empty_pos = BVAR (XBUFFER (w->buffer), indicate_empty_lines);
+ empty_pos = BVAR (XBUFFER (w->contents), indicate_empty_lines);
if (!NILP (empty_pos) && !EQ (empty_pos, Qright))
empty_pos = WINDOW_LEFT_FRINGE_WIDTH (w) == 0 ? Qright : Qleft;
int left, right;
unsigned left_face_id, right_face_id;
int left_offset, right_offset;
- int periodic_p;
+ bool periodic_p;
row = w->desired_matrix->rows + rn;
cur = w->current_matrix->rows + rn;
|| periodic_p != cur->fringe_bitmap_periodic_p
|| cur->redraw_fringe_bitmaps_p)
{
- redraw_p = row->redraw_fringe_bitmaps_p = 1;
+ redraw_p = 1, row->redraw_fringe_bitmaps_p = 1;
if (!keep_current_p)
{
cur->redraw_fringe_bitmaps_p = 1;
if (row->overlay_arrow_bitmap != cur->overlay_arrow_bitmap)
{
- redraw_p = row->redraw_fringe_bitmaps_p = 1;
+ redraw_p = 1, row->redraw_fringe_bitmaps_p = 1;
if (!keep_current_p)
{
cur->redraw_fringe_bitmaps_p = 1;
*/
void
-compute_fringe_widths (struct frame *f, int redraw)
+compute_fringe_widths (struct frame *f, bool redraw_p)
{
int o_left = FRAME_LEFT_FRINGE_WIDTH (f);
int o_right = FRAME_RIGHT_FRINGE_WIDTH (f);
if (left_fringe_width || right_fringe_width)
{
- int left_wid = left_fringe_width >= 0 ? left_fringe_width : -left_fringe_width;
- int right_wid = right_fringe_width >= 0 ? right_fringe_width : -right_fringe_width;
+ int left_wid = eabs (left_fringe_width);
+ int right_wid = eabs (right_fringe_width);
int conf_wid = left_wid + right_wid;
int font_wid = FRAME_COLUMN_WIDTH (f);
int cols = (left_wid + right_wid + font_wid-1) / font_wid;
FRAME_FRINGE_COLS (f) = 0;
}
- if (redraw && FRAME_VISIBLE_P (f))
+ if (redraw_p && FRAME_VISIBLE_P (f))
if (o_left != FRAME_LEFT_FRINGE_WIDTH (f) ||
o_right != FRAME_RIGHT_FRINGE_WIDTH (f) ||
o_cols != FRAME_FRINGE_COLS (f))
| (swap_nibble[(b>>12) & 0xf]));
b >>= (16 - fb->width);
#ifdef WORDS_BIGENDIAN
- b = ((b >> 8) | (b << 8));
+ b = bswap_16 (b);
#endif
*bits++ = b;
}
else if (w == XWINDOW (selected_window))
textpos = PT;
else
- textpos = XMARKER (w->pointm)->charpos;
+ textpos = marker_position (w->pointm);
row = MATRIX_FIRST_TEXT_ROW (w->current_matrix);
row = row_containing_pos (w, textpos, row, NULL, 0);
}
#endif /* HAVE_NTGUI */
-
-#endif /* HAVE_WINDOW_SYSTEM */
HCoop / bpt / emacs.git / blobdiff