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Sync OpenBSD patchset 471:
Add a minor optimisatin: if the character being printed is space, don't worry about setting the background colour or attributes (except reverse).
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@ -1,4 +1,4 @@
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/* $Id: screen-redraw.c,v 1.48 2009-10-15 01:30:00 tcunha Exp $ */
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/* $Id: screen-redraw.c,v 1.49 2009-10-28 23:17:28 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -257,6 +257,7 @@ screen_redraw_draw_number(struct client *c, struct window_pane *wp)
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if (wp->sx < len * 6 || wp->sy < 5) {
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tty_cursor(tty, xoff + px - len / 2, yoff + py);
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memcpy(&gc, &grid_default_cell, sizeof gc);
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gc.data = '_'; /* not space */
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colour_set_fg(&gc, colour);
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tty_attributes(tty, &gc);
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tty_puts(tty, buf);
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@ -267,6 +268,7 @@ screen_redraw_draw_number(struct client *c, struct window_pane *wp)
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py -= 2;
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memcpy(&gc, &grid_default_cell, sizeof gc);
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gc.data = '_'; /* not space */
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colour_set_bg(&gc, colour);
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tty_attributes(tty, &gc);
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for (ptr = buf; *ptr != '\0'; ptr++) {
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20
tty.c
20
tty.c
@ -1,4 +1,4 @@
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/* $Id: tty.c,v 1.166 2009-10-28 23:16:30 tcunha Exp $ */
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/* $Id: tty.c,v 1.167 2009-10-28 23:17:28 tcunha Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -1124,10 +1124,24 @@ out:
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void
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tty_attributes(struct tty *tty, const struct grid_cell *gc)
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{
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struct grid_cell *tc = &tty->cell;
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struct grid_cell *tc = &tty->cell, gc2;
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u_char changed;
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u_int fg = gc->fg, bg = gc->bg, attr = gc->attr;
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/* If the character is space, don't care about foreground. */
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if (gc->data == ' ' && !(gc->flags & GRID_FLAG_UTF8)) {
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memcpy(&gc2, gc, sizeof gc2);
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if (gc->attr & GRID_ATTR_REVERSE)
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gc2.bg = tc->bg;
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else
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gc2.fg = tc->fg;
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gc2.attr = tc->attr & ~GRID_ATTR_REVERSE;
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gc2.attr |= gc->attr & GRID_ATTR_REVERSE;
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gc = &gc2;
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}
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/* If any bits are being cleared, reset everything. */
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if (tc->attr & ~attr)
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tty_reset(tty);
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@ -1190,7 +1204,7 @@ tty_colours(struct tty *tty, const struct grid_cell *gc, int *attr)
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/* No changes? Nothing is necessary. */
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if (fg == tc->fg && bg == tc->bg &&
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((flags ^ tc->flags) & (GRID_FLAG_FG256|GRID_FLAG_BG256)) == 0)
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return;
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return;
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/*
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* Is either the default colour? This is handled specially because the
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