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textbuffer_view_remove_line() fixes (with a small kludge..)

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1741 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2001-08-12 18:25:43 +00:00 committed by cras
parent 53c13065d2
commit 08b9062028
2 changed files with 44 additions and 31 deletions

View File

@ -870,10 +870,36 @@ static int view_get_lines_height(TEXT_BUFFER_VIEW_REC *view,
return height < view->height ? height : view->height;
}
static void view_remove_line_update_startline(TEXT_BUFFER_VIEW_REC *view,
LINE_REC *line, int linecount)
{
int scroll;
if (view->startline == line) {
view->startline = view->startline->prev != NULL ?
view->startline->prev : view->startline->next;
view->subline = 0;
} else {
scroll = view->height -
view_get_lines_height(view, view->startline,
view->subline, line);
if (scroll > 0) {
view_scroll(view, &view->startline,
&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,
int linecount)
{
int realcount, scroll;
int realcount;
view_bookmarks_check(view, line);
@ -887,7 +913,7 @@ static void view_remove_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
view_get_linecount(view, prevline);
}
if (line == view->buffer->first_line) {
if (view->buffer->first_line == line) {
/* first line in the buffer - this is the most commonly
removed line.. */
if (view->bottom_startline == line) {
@ -900,41 +926,26 @@ static void view_remove_line(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
/* removing the first line in screen */
realcount = view_scroll(view, &view->startline,
&view->subline,
linecount, TRUE);
linecount, FALSE);
view->ypos -= realcount;
view->empty_linecount += linecount-realcount;
}
} else if (textbuffer_line_exists_after(view->bottom_startline,
} else {
if (textbuffer_line_exists_after(view->bottom_startline,
line)) {
realcount = view_scroll(view, &view->bottom_startline,
&view->bottom_subline,
-linecount, FALSE);
if (view->bottom) {
/* we're at the bottom, remove the same amount as
from bottom_startline */
view_scroll(view, &view->startline,
&view->subline, -linecount, TRUE);
view->ypos -= linecount-realcount;
} else {
if (view->startline == line) {
view->startline =
view->startline->next != NULL ?
view->startline->next :
view->startline->prev;
view->subline = 0;
}
scroll = view->height -
view_get_lines_height(view, view->startline,
view->subline, line);
if (scroll > 0) {
view_scroll(view, &view->startline,
&view->subline, -scroll, TRUE);
view->ypos -= scroll;
}
}
view->empty_linecount += linecount-realcount;
}
if (textbuffer_line_exists_after(view->startline,
line)) {
view_remove_line_update_startline(view, line,
linecount);
}
}
view->bottom = view_is_bottom(view);
if (view->window != NULL)
screen_refresh(view->window);

View File

@ -308,6 +308,8 @@ void textbuffer_remove(TEXT_BUFFER_REC *buffer, LINE_REC *line)
line->next : line->prev;
}
line->prev = line->next = NULL;
buffer->lines_count--;
textbuffer_line_unref(buffer, line);
}