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Revert r4964, at least one script uses ypos.

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git-svn-id: file:///var/www/svn.irssi.org/SVN/irssi/trunk@4965 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Emanuele Giaquinta 2008-12-12 10:42:14 +00:00 committed by exg
parent feb95100ce
commit 1b7296dc5f
3 changed files with 35 additions and 10 deletions
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42
src/fe-text/textbuffer-view.c
View File

@ -37,10 +37,8 @@ typedef struct {
static int linecache_tag;
static GSList *views;
static int view_is_bottom(TEXT_BUFFER_VIEW_REC *view)
{
return view->startline == view->bottom_startline;
}
#define view_is_bottom(view) \
((view)->ypos >= -1 && (view)->ypos < (view)->height)
#define view_get_linecount(view, line) \
textbuffer_view_get_line_cache(view, line)->count
@ -519,6 +517,17 @@ static void textbuffer_view_init_bottom(TEXT_BUFFER_VIEW_REC *view)
view->empty_linecount = view->height - total;
}
static void textbuffer_view_init_ypos(TEXT_BUFFER_VIEW_REC *view)
{
LINE_REC *line;
g_return_if_fail(view != NULL);
view->ypos = -view->subline-1;
for (line = view->startline; line != NULL; line = line->next)
view->ypos += view_get_linecount(view, line);
}
/* Create new view. */
TEXT_BUFFER_VIEW_REC *textbuffer_view_create(TEXT_BUFFER_REC *buffer,
int width, int height,
@ -545,6 +554,8 @@ TEXT_BUFFER_VIEW_REC *textbuffer_view_create(TEXT_BUFFER_REC *buffer,
view->subline = view->bottom_subline;
view->bottom = TRUE;
textbuffer_view_init_ypos(view);
view->bookmarks = g_hash_table_new((GHashFunc) g_str_hash,
(GCompareFunc) g_str_equal);
@ -836,6 +847,7 @@ void textbuffer_view_resize(TEXT_BUFFER_VIEW_REC *view, int width, int height)
view->subline = linecount;
}
textbuffer_view_init_ypos(view);
if (view->bottom && !view_is_bottom(view)) {
/* we scrolled to far up, need to get down. go right over
the empty lines if there's any */
@ -845,6 +857,7 @@ void textbuffer_view_resize(TEXT_BUFFER_VIEW_REC *view, int width, int height)
view_scroll(view, &view->startline, &view->subline,
-view->empty_linecount, FALSE);
}
textbuffer_view_init_ypos(view);
}
view->bottom = view_is_bottom(view);
@ -865,6 +878,7 @@ void textbuffer_view_clear(TEXT_BUFFER_VIEW_REC *view)
{
g_return_if_fail(view != NULL);
view->ypos = -1;
view->bottom_startline = view->startline =
textbuffer_line_last(view->buffer);
view->bottom_subline = view->subline =
@ -886,6 +900,7 @@ void textbuffer_view_scroll(TEXT_BUFFER_VIEW_REC *view, int lines)
count = view_scroll(view, &view->startline, &view->subline,
lines, TRUE);
view->ypos += lines < 0 ? count : -count;
view->bottom = view_is_bottom(view);
if (view->bottom) view->more_text = FALSE;
@ -906,6 +921,7 @@ void textbuffer_view_scroll_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line)
view->subline = 0;
}
textbuffer_view_init_ypos(view);
view->bottom = view_is_bottom(view);
if (view->bottom) view->more_text = FALSE;
@ -946,9 +962,8 @@ static void view_insert_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line)
!textbuffer_line_exists_after(view->bottom_startline, line))
return;
ypos = view->height - view->empty_linecount - 1;
linecount = view->cache->last_linecount;
ypos += linecount;
view->ypos += linecount;
if (view->empty_linecount > 0) {
view->empty_linecount -= linecount;
if (view->empty_linecount >= 0)
@ -965,17 +980,17 @@ static void view_insert_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line)
}
if (view->bottom) {
if (view->scroll && ypos >= view->height) {
linecount = ypos-view->height+1;
if (view->scroll && view->ypos >= view->height) {
linecount = view->ypos-view->height+1;
view_scroll(view, &view->startline,
&view->subline, linecount, FALSE);
ypos -= linecount;
view->ypos -= linecount;
} else {
view->bottom = view_is_bottom(view);
}
if (view->window != NULL) {
ypos = ypos+1 - view->cache->last_linecount;
ypos = view->ypos+1 - view->cache->last_linecount;
if (ypos >= 0)
subline = 0;
else {
@ -1087,6 +1102,12 @@ static void view_remove_line_update_startline(TEXT_BUFFER_VIEW_REC *view,
&view->subline, -scroll, FALSE);
}
}
/* FIXME: this is slow and unnecessary, but it's easy and
really works :) */
textbuffer_view_init_ypos(view);
if (textbuffer_line_exists_after(view->startline, line))
view->ypos -= linecount;
}
static void view_remove_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
@ -1122,6 +1143,7 @@ static void view_remove_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
realcount = view_scroll(view, &view->startline,
&view->subline,
linecount, FALSE);
view->ypos -= realcount;
view->empty_linecount += linecount-realcount;
if (is_last == 1)
view->startline = NULL;

1
src/fe-text/textbuffer-view.h
View File

@ -58,6 +58,7 @@ struct _TEXT_BUFFER_VIEW_REC {
unsigned int utf8:1; /* use UTF8 in this view */
TEXT_BUFFER_CACHE_REC *cache;
int ypos; /* cursor position - visible area is 0..height-1 */
LINE_REC *startline; /* line at the top of the screen */
int subline; /* number of "real lines" to skip from `startline' */

2
src/perl/textui/TextUI.xs
View File

@ -35,6 +35,8 @@ static void perl_text_buffer_view_fill_hash(HV *hv, TEXT_BUFFER_VIEW_REC *view)
hv_store(hv, "longword_noindent", 17, newSViv(view->longword_noindent), 0);
hv_store(hv, "scroll", 6, newSViv(view->scroll), 0);
hv_store(hv, "ypos", 4, newSViv(view->ypos), 0);
hv_store(hv, "startline", 9, plain_bless(view->startline, "Irssi::TextUI::Line"), 0);
hv_store(hv, "subline", 7, newSViv(view->subline), 0);