/* Fringe handling (split from xdisp.c).
Copyright (C) 1985, 1986, 1987, 1988, 1993, 1994, 1995, 1997,
1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of GNU Emacs.
return num;
}
+/* Get fringe bitmap data for bitmap number BN. */
+
+static struct fringe_bitmap *
+get_fringe_bitmap_data (int bn)
+{
+ struct fringe_bitmap *fb;
+
+ fb = fringe_bitmaps[bn];
+ if (fb == NULL)
+ fb = &standard_bitmaps[bn < MAX_STANDARD_FRINGE_BITMAPS
+ ? bn : UNDEF_FRINGE_BITMAP];
+
+ return fb;
+}
/* Draw the bitmap WHICH in one of the left or right fringes of
window W. ROW is the glyph row for which to display the bitmap; it
struct fringe_bitmap *fb;
int period;
int face_id = DEFAULT_FACE_ID;
+ int offset, header_line_height;
- p.cursor_p = 0;
p.overlay_p = (overlay & 1) == 1;
p.cursor_p = (overlay & 2) == 2;
if (which != NO_FRINGE_BITMAP)
{
+ offset = 0;
}
else if (left_p)
{
which = row->left_fringe_bitmap;
face_id = row->left_fringe_face_id;
+ offset = row->left_fringe_offset;
}
else
{
which = row->right_fringe_bitmap;
face_id = row->right_fringe_face_id;
+ offset = row->right_fringe_offset;
}
if (face_id == DEFAULT_FACE_ID)
face_id = FRINGE_FACE_ID;
}
- fb = fringe_bitmaps[which];
- if (fb == NULL)
- fb = &standard_bitmaps[which < MAX_STANDARD_FRINGE_BITMAPS
- ? which : UNDEF_FRINGE_BITMAP];
+ fb = get_fringe_bitmap_data (which);
period = fb->period;
/* Convert row to frame coordinates. */
- p.y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y);
+ p.y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y) + offset;
p.which = which;
p.bits = fb->bits;
p.h = fb->height;
p.dh = (period > 0 ? (p.y % period) : 0);
p.h -= p.dh;
- /* Clip bitmap if too high. */
- if (p.h > row->height)
- p.h = row->height;
+
+ /* Adjust y to the offset in the row to start drawing the bitmap. */
+ switch (fb->align)
+ {
+ case ALIGN_BITMAP_CENTER:
+ p.y += (row->height - p.h) / 2;
+ break;
+ case ALIGN_BITMAP_BOTTOM:
+ p.y += (row->visible_height - p.h);
+ break;
+ case ALIGN_BITMAP_TOP:
+ break;
+ }
p.face = FACE_FROM_ID (f, face_id);
/* Clear left fringe if no bitmap to draw or if bitmap doesn't fill
the fringe. */
p.bx = -1;
+ header_line_height = WINDOW_HEADER_LINE_HEIGHT (w);
+ p.by = WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, row->y));
+ p.ny = row->visible_height;
if (left_p)
{
int wd = WINDOW_LEFT_FRINGE_WIDTH (w);
p.wd = wd;
p.x = x - p.wd - (wd - p.wd) / 2;
- if (p.wd < wd || row->height > p.h)
+ if (p.wd < wd || p.y > p.by || p.y + p.h < p.by + p.ny)
{
/* If W has a vertical border to its left, don't draw over it. */
wd -= ((!WINDOW_LEFTMOST_P (w)
p.x = x + (wd - p.wd) / 2;
/* Clear right fringe if no bitmap to draw of if bitmap doesn't fill
the fringe. */
- if (p.wd < wd || row->height > p.h)
+ if (p.wd < wd || p.y > p.by || p.y + p.h < p.by + p.ny)
{
p.bx = x;
p.nx = wd;
}
}
- if (p.bx >= 0)
- {
- int header_line_height = WINDOW_HEADER_LINE_HEIGHT (w);
-
- p.by = WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, row->y));
- p.ny = row->visible_height;
- }
-
- /* Adjust y to the offset in the row to start drawing the bitmap. */
- switch (fb->align)
- {
- case ALIGN_BITMAP_CENTER:
- p.y += (row->height - p.h) / 2;
- break;
- case ALIGN_BITMAP_BOTTOM:
- p.h = fb->height;
- p.y += (row->visible_height - p.h);
- break;
- case ALIGN_BITMAP_TOP:
- break;
- }
-
FRAME_RIF (f)->draw_fringe_bitmap (w, row, &p);
}
struct glyph_row *row;
int yb = window_text_bottom_y (w);
int nrows = w->current_matrix->nrows;
- int y = 0, rn;
+ int y, rn;
int updated = 0;
if (w->pseudo_window_p)
|| WINDOW_RIGHT_FRINGE_WIDTH (w) == 0))
updated++;
- for (y = 0, rn = 0, row = w->current_matrix->rows;
+ for (y = w->vscroll, rn = 0, row = w->current_matrix->rows;
y < yb && rn < nrows;
y += row->height, ++row, ++rn)
{
Lisp_Object ind = Qnil;
#define MAX_BITMAP_CACHE (8*4)
int bitmap_cache[MAX_BITMAP_CACHE];
+ int top_ind_rn, bot_ind_rn;
+ int top_ind_min_y, bot_ind_max_y;
+ int top_row_ends_at_zv_p, bot_row_ends_at_zv_p;
if (w->pseudo_window_p)
return 0;
boundary_top = boundary_bot = Qleft;
}
+ top_ind_rn = bot_ind_rn = -1;
if (!NILP (ind))
{
- int done_top = 0, done_bot = 0;
-
- for (y = 0, rn = 0;
+ for (y = w->vscroll, rn = 0;
y < yb && rn < nrows;
y += row->height, ++rn)
{
- unsigned indicate_bob_p, indicate_top_line_p;
- unsigned indicate_eob_p, indicate_bottom_line_p;
-
row = w->desired_matrix->rows + rn;
if (!row->enabled_p)
row = w->current_matrix->rows + rn;
- indicate_bob_p = row->indicate_bob_p;
- indicate_top_line_p = row->indicate_top_line_p;
- indicate_eob_p = row->indicate_eob_p;
- indicate_bottom_line_p = row->indicate_bottom_line_p;
-
row->indicate_bob_p = row->indicate_top_line_p = 0;
row->indicate_eob_p = row->indicate_bottom_line_p = 0;
if (!row->mode_line_p)
{
- if (!done_top)
+ if (top_ind_rn < 0 && row->visible_height > 0)
{
if (MATRIX_ROW_START_CHARPOS (row) <= BUF_BEGV (XBUFFER (w->buffer))
&& !MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (w, row))
row->indicate_bob_p = !NILP (boundary_top);
else
row->indicate_top_line_p = !NILP (arrow_top);
- done_top = 1;
+ top_ind_rn = rn;
}
- if (!done_bot)
+ if (bot_ind_rn < 0)
{
if (MATRIX_ROW_END_CHARPOS (row) >= BUF_ZV (XBUFFER (w->buffer))
&& !MATRIX_ROW_PARTIALLY_VISIBLE_AT_BOTTOM_P (w, row))
- row->indicate_eob_p = !NILP (boundary_bot), done_bot = 1;
+ row->indicate_eob_p = !NILP (boundary_bot), bot_ind_rn = rn;
else if (y + row->height >= yb)
- row->indicate_bottom_line_p = !NILP (arrow_bot), done_bot = 1;
+ row->indicate_bottom_line_p = !NILP (arrow_bot), bot_ind_rn = rn;
}
}
-
- if (indicate_bob_p != row->indicate_bob_p
- || indicate_top_line_p != row->indicate_top_line_p
- || indicate_eob_p != row->indicate_eob_p
- || indicate_bottom_line_p != row->indicate_bottom_line_p)
- row->redraw_fringe_bitmaps_p = 1;
}
}
get_logical_fringe_bitmap (w, which, 1, partial_p)))
- for (y = 0, rn = 0;
+ /* Extend top-aligned top indicator (or bottom-aligned bottom
+ indicator) to adjacent rows if it doesn't fit in one row. */
+ top_ind_min_y = bot_ind_max_y = -1;
+ if (top_ind_rn >= 0)
+ {
+ int bn = NO_FRINGE_BITMAP;
+
+ row = w->desired_matrix->rows + top_ind_rn;
+ if (!row->enabled_p)
+ row = w->current_matrix->rows + top_ind_rn;
+
+ top_row_ends_at_zv_p = row->ends_at_zv_p;
+ if (row->indicate_bob_p)
+ {
+ if (EQ (boundary_top, Qleft))
+ bn = ((row->indicate_eob_p && EQ (boundary_bot, Qleft))
+ ? LEFT_FRINGE (1, Qtop_bottom, row->ends_at_zv_p)
+ : LEFT_FRINGE (2, Qtop, 0));
+ else
+ bn = ((row->indicate_eob_p && EQ (boundary_bot, Qright))
+ ? RIGHT_FRINGE (1, Qtop_bottom, row->ends_at_zv_p)
+ : RIGHT_FRINGE (2, Qtop, 0));
+ }
+ else if (row->indicate_top_line_p)
+ {
+ if (EQ (arrow_top, Qleft))
+ bn = LEFT_FRINGE (6, Qup, 0);
+ else
+ bn = RIGHT_FRINGE (6, Qup, 0);
+ }
+
+ if (bn != NO_FRINGE_BITMAP)
+ {
+ struct fringe_bitmap *fb = get_fringe_bitmap_data (bn);
+
+ if (fb->align == ALIGN_BITMAP_TOP && fb->period == 0)
+ {
+ struct glyph_row *row1;
+ int top_ind_max_y;
+
+ top_ind_min_y = WINDOW_HEADER_LINE_HEIGHT (w);
+ top_ind_max_y = top_ind_min_y + fb->height;
+ if (top_ind_max_y > yb)
+ top_ind_max_y = yb;
+
+ for (y = row->y + row->height, rn = top_ind_rn + 1;
+ y < top_ind_max_y && rn < nrows;
+ y += row1->height, rn++)
+ {
+ if (bot_ind_rn >= 0 && rn >= bot_ind_rn)
+ break;
+
+ row1 = w->desired_matrix->rows + rn;
+ if (!row1->enabled_p)
+ row1 = w->current_matrix->rows + rn;
+
+ row1->indicate_bob_p = row->indicate_bob_p;
+ row1->indicate_top_line_p = row->indicate_top_line_p;
+ }
+ }
+ }
+ }
+ if (bot_ind_rn >= 0)
+ {
+ int bn = NO_FRINGE_BITMAP;
+
+ row = w->desired_matrix->rows + bot_ind_rn;
+ if (!row->enabled_p)
+ row = w->current_matrix->rows + bot_ind_rn;
+
+ bot_row_ends_at_zv_p = row->ends_at_zv_p;
+ if (row->indicate_eob_p)
+ {
+ if (EQ (boundary_bot, Qleft))
+ bn = LEFT_FRINGE (3, Qbottom, row->ends_at_zv_p);
+ else
+ bn = RIGHT_FRINGE (3, Qbottom, row->ends_at_zv_p);
+ }
+ else if (row->indicate_bottom_line_p)
+ {
+ if (EQ (arrow_bot, Qleft))
+ bn = LEFT_FRINGE (7, Qdown, 0);
+ else
+ bn = RIGHT_FRINGE (7, Qdown, 0);
+ }
+
+ if (bn != NO_FRINGE_BITMAP)
+ {
+ struct fringe_bitmap *fb = get_fringe_bitmap_data (bn);
+
+ if (fb->align == ALIGN_BITMAP_BOTTOM && fb->period == 0)
+ {
+ struct glyph_row *row1;
+ int bot_ind_min_y;
+
+ bot_ind_max_y = row->y + row->visible_height;
+ bot_ind_min_y = bot_ind_max_y - fb->height;
+ if (bot_ind_min_y < WINDOW_HEADER_LINE_HEIGHT (w))
+ bot_ind_min_y = WINDOW_HEADER_LINE_HEIGHT (w);
+
+ for (y = row->y, rn = bot_ind_rn - 1;
+ y >= bot_ind_min_y && rn >= 0;
+ y -= row1->height, rn--)
+ {
+ if (top_ind_rn >= 0 && rn <= top_ind_rn)
+ break;
+
+ row1 = w->desired_matrix->rows + rn;
+ if (!row1->enabled_p)
+ row1 = w->current_matrix->rows + rn;
+
+ row1->indicate_eob_p = row->indicate_eob_p;
+ row1->indicate_bottom_line_p = row->indicate_bottom_line_p;
+ }
+ }
+ }
+ }
+
+ for (y = w->vscroll, rn = 0;
y < yb && rn < nrows;
y += row->height, rn++)
{
int left, right;
unsigned left_face_id, right_face_id;
+ int left_offset, right_offset;
+ int periodic_p;
row = w->desired_matrix->rows + rn;
cur = w->current_matrix->rows + rn;
row = cur;
left_face_id = right_face_id = DEFAULT_FACE_ID;
+ left_offset = right_offset = 0;
+ periodic_p = 0;
/* Decide which bitmap to draw in the left fringe. */
if (WINDOW_LEFT_FRINGE_WIDTH (w) == 0)
else if (row->truncated_on_left_p)
left = LEFT_FRINGE(0, Qtruncation, 0);
else if (row->indicate_bob_p && EQ (boundary_top, Qleft))
- left = ((row->indicate_eob_p && EQ (boundary_bot, Qleft))
- ? LEFT_FRINGE (1, Qtop_bottom, row->ends_at_zv_p)
- : LEFT_FRINGE (2, Qtop, 0));
+ {
+ left = ((row->indicate_eob_p && EQ (boundary_bot, Qleft))
+ ? LEFT_FRINGE (1, Qtop_bottom, top_row_ends_at_zv_p)
+ : LEFT_FRINGE (2, Qtop, 0));
+ if (top_ind_min_y >= 0)
+ left_offset = top_ind_min_y - row->y;
+ }
else if (row->indicate_eob_p && EQ (boundary_bot, Qleft))
- left = LEFT_FRINGE (3, Qbottom, row->ends_at_zv_p);
+ {
+ left = LEFT_FRINGE (3, Qbottom, bot_row_ends_at_zv_p);
+ if (bot_ind_max_y >= 0)
+ left_offset = bot_ind_max_y - (row->y + row->visible_height);
+ }
else if (MATRIX_ROW_CONTINUATION_LINE_P (row))
left = LEFT_FRINGE (4, Qcontinuation, 0);
else if (row->indicate_empty_line_p && EQ (empty_pos, Qleft))
left = LEFT_FRINGE (5, Qempty_line, 0);
else if (row->indicate_top_line_p && EQ (arrow_top, Qleft))
- left = LEFT_FRINGE (6, Qup, 0);
+ {
+ left = LEFT_FRINGE (6, Qup, 0);
+ if (top_ind_min_y >= 0)
+ left_offset = top_ind_min_y - row->y;
+ }
else if (row->indicate_bottom_line_p && EQ (arrow_bot, Qleft))
- left = LEFT_FRINGE (7, Qdown, 0);
+ {
+ left = LEFT_FRINGE (7, Qdown, 0);
+ if (bot_ind_max_y >= 0)
+ left_offset = bot_ind_max_y - (row->y + row->visible_height);
+ }
else
left = NO_FRINGE_BITMAP;
else if (row->truncated_on_right_p)
right = RIGHT_FRINGE (0, Qtruncation, 0);
else if (row->indicate_bob_p && EQ (boundary_top, Qright))
- right = ((row->indicate_eob_p && EQ (boundary_bot, Qright))
- ? RIGHT_FRINGE (1, Qtop_bottom, row->ends_at_zv_p)
- : RIGHT_FRINGE (2, Qtop, 0));
+ {
+ right = ((row->indicate_eob_p && EQ (boundary_bot, Qright))
+ ? RIGHT_FRINGE (1, Qtop_bottom, top_row_ends_at_zv_p)
+ : RIGHT_FRINGE (2, Qtop, 0));
+ if (top_ind_min_y >= 0)
+ right_offset = top_ind_min_y - row->y;
+ }
else if (row->indicate_eob_p && EQ (boundary_bot, Qright))
- right = RIGHT_FRINGE (3, Qbottom, row->ends_at_zv_p);
+ {
+ right = RIGHT_FRINGE (3, Qbottom, bot_row_ends_at_zv_p);
+ if (bot_ind_max_y >= 0)
+ right_offset = bot_ind_max_y - (row->y + row->visible_height);
+ }
else if (row->continued_p)
right = RIGHT_FRINGE (4, Qcontinuation, 0);
else if (row->indicate_top_line_p && EQ (arrow_top, Qright))
- right = RIGHT_FRINGE (6, Qup, 0);
+ {
+ right = RIGHT_FRINGE (6, Qup, 0);
+ if (top_ind_min_y >= 0)
+ right_offset = top_ind_min_y - row->y;
+ }
else if (row->indicate_bottom_line_p && EQ (arrow_bot, Qright))
- right = RIGHT_FRINGE (7, Qdown, 0);
+ {
+ right = RIGHT_FRINGE (7, Qdown, 0);
+ if (bot_ind_max_y >= 0)
+ right_offset = bot_ind_max_y - (row->y + row->visible_height);
+ }
else if (row->indicate_empty_line_p && EQ (empty_pos, Qright))
right = RIGHT_FRINGE (5, Qempty_line, 0);
else
right = NO_FRINGE_BITMAP;
+ periodic_p = (get_fringe_bitmap_data (left)->period != 0
+ || get_fringe_bitmap_data (right)->period != 0);
+
if (row->y != cur->y
|| row->visible_height != cur->visible_height
|| row->ends_at_zv_p != cur->ends_at_zv_p
|| right != cur->right_fringe_bitmap
|| left_face_id != cur->left_fringe_face_id
|| right_face_id != cur->right_fringe_face_id
+ || left_offset != cur->left_fringe_offset
+ || right_offset != cur->right_fringe_offset
+ || periodic_p != cur->fringe_bitmap_periodic_p
|| cur->redraw_fringe_bitmaps_p)
{
redraw_p = row->redraw_fringe_bitmaps_p = 1;
cur->right_fringe_bitmap = right;
cur->left_fringe_face_id = left_face_id;
cur->right_fringe_face_id = right_face_id;
+ cur->left_fringe_offset = left_offset;
+ cur->right_fringe_offset = right_offset;
+ cur->fringe_bitmap_periodic_p = periodic_p;
}
}
if (row->overlay_arrow_bitmap != cur->overlay_arrow_bitmap)
{
- redraw_p = row->redraw_fringe_bitmaps_p = cur->redraw_fringe_bitmaps_p = 1;
- cur->overlay_arrow_bitmap = row->overlay_arrow_bitmap;
+ redraw_p = row->redraw_fringe_bitmaps_p = 1;
+ if (!keep_current_p)
+ {
+ cur->redraw_fringe_bitmaps_p = 1;
+ cur->overlay_arrow_bitmap = row->overlay_arrow_bitmap;
+ }
}
row->left_fringe_bitmap = left;
row->right_fringe_bitmap = right;
row->left_fringe_face_id = left_face_id;
row->right_fringe_face_id = right_face_id;
-
- if (rn > 0 && row->redraw_fringe_bitmaps_p)
- row[-1].redraw_fringe_bitmaps_p = cur[-1].redraw_fringe_bitmaps_p = 1;
+ row->left_fringe_offset = left_offset;
+ row->right_fringe_offset = right_offset;
+ row->fringe_bitmap_periodic_p = periodic_p;
}
return redraw_p && !keep_current_p;
if (STRINGP (bits))
h = SCHARS (bits);
else if (VECTORP (bits))
- h = XVECTOR (bits)->size;
+ h = XVECTOR_SIZE (bits);
else
wrong_type_argument (Qsequencep, bits);
HCoop / bpt / emacs.git / blobdiff