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Sync OpenBSD patchset 284:

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When moving up or down in copy mode, save the cursor position and size of the
last line with content (width != 0) and use it to determine if the cursor
should be at the end of the line. Fixes problem of the cursor always jumping to
the end of the line when scrolling past a blank line.
This commit is contained in:
Tiago Cunha 2009-08-21 21:12:07 +00:00
parent a004fc3592
commit d07d18258b
1 changed files with 19 additions and 5 deletions
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24
window-copy.c
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@ -1,4 +1,4 @@
/* $Id: window-copy.c,v 1.83 2009-08-20 11:52:39 tcunha Exp $ */
/* $Id: window-copy.c,v 1.84 2009-08-21 21:12:07 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -97,6 +97,9 @@ struct window_copy_mode_data {
u_int cx;
u_int cy;
u_int lastcx; /* position in last line with content */
u_int lastsx; /* size of last line with content */
enum window_copy_input_type inputtype;
const char *inputprompt;
char *inputstr;
@ -119,6 +122,9 @@ window_copy_init(struct window_pane *wp)
data->cx = wp->base.cx;
data->cy = wp->base.cy;
data->lastcx = 0;
data->lastsx = 0;
data->inputtype = WINDOW_COPY_OFF;
data->inputprompt = NULL;
data->inputstr = xstrdup("");
@ -1045,7 +1051,12 @@ window_copy_cursor_up(struct window_pane *wp)
oy = screen_hsize(&wp->base) + data->cy - data->oy;
ox = window_copy_find_length(wp, oy);
if (ox != 0) {
data->lastcx = data->cx;
data->lastsx = ox;
}
data->cx = data->lastcx;
if (data->cy == 0)
window_copy_scroll_down(wp, 1);
else {
@ -1056,8 +1067,7 @@ window_copy_cursor_up(struct window_pane *wp)
py = screen_hsize(&wp->base) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
if (data->cx >= px || data->cx >= ox)
if (data->cx >= data->lastsx || data->cx > px)
window_copy_cursor_end_of_line(wp);
}
@ -1070,7 +1080,12 @@ window_copy_cursor_down(struct window_pane *wp)
oy = screen_hsize(&wp->base) + data->cy - data->oy;
ox = window_copy_find_length(wp, oy);
if (ox != 0) {
data->lastcx = data->cx;
data->lastsx = ox;
}
data->cx = data->lastcx;
if (data->cy == screen_size_y(s) - 1)
window_copy_scroll_up(wp, 1);
else {
@ -1081,8 +1096,7 @@ window_copy_cursor_down(struct window_pane *wp)
py = screen_hsize(&wp->base) + data->cy - data->oy;
px = window_copy_find_length(wp, py);
if (data->cx >= px || data->cx >= ox)
if (data->cx >= data->lastsx || data->cx > px)
window_copy_cursor_end_of_line(wp);
}