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Redrawing fixes - irssi should now rarely redraw stuff uselessly in screen.

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Most of the code now just marks the window/statusbar/etc. as dirty, and lets
the dirty-checker handle it later.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1926 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2001-10-28 18:40:12 +00:00 • committed by cras
commit fb439b5c2a
16 changed files with 348 additions and 123 deletions
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40
src/fe-text/textbuffer-view.c
View file

@ -307,6 +307,9 @@ static int view_line_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
char *tmp;
int xpos, color, drawcount, first;
if (view->dirty) /* don't bother drawing anything - redraw is coming */
return 0;
cache = textbuffer_view_get_line_cache(view, line);
if (subline >= cache->count)
return 0;
@ -581,10 +584,13 @@ static int view_get_linecount_all(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line)
}
static void view_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
int subline, int ypos, int lines)
int subline, int ypos, int lines, int fill_bottom)
{
int linecount;
if (view->dirty) /* don't bother drawing anything - redraw is coming */
return;
while (line != NULL && lines > 0) {
linecount = view_line_draw(view, line, subline, ypos, lines);
ypos += linecount; lines -= linecount;
@ -593,17 +599,20 @@ static void view_draw(TEXT_BUFFER_VIEW_REC *view, LINE_REC *line,
line = line->next;
}
/* clear the rest of the view */
term_set_color(view->window, ATTR_RESET);
while (lines > 0) {
term_move(view->window, 0, ypos);
term_clrtoeol(view->window);
ypos++; lines--;
if (fill_bottom) {
/* clear the rest of the view */
term_set_color(view->window, ATTR_RESET);
while (lines > 0) {
term_move(view->window, 0, ypos);
term_clrtoeol(view->window);
ypos++; lines--;
}
}
}
#define view_draw_top(view, lines) \
view_draw(view, (view)->startline, (view)->subline, 0, lines)
#define view_draw_top(view, lines, fill_bottom) \
view_draw(view, (view)->startline, (view)->subline, \
0, lines, fill_bottom)
static void view_draw_bottom(TEXT_BUFFER_VIEW_REC *view, int lines)
{
@ -622,7 +631,7 @@ static void view_draw_bottom(TEXT_BUFFER_VIEW_REC *view, int lines)
line = line->next;
}
view_draw(view, line, subline, maxline, lines);
view_draw(view, line, subline, maxline, lines, TRUE);
}
/* Returns number of lines actually scrolled */
@ -687,7 +696,7 @@ static int view_scroll(TEXT_BUFFER_VIEW_REC *view, LINE_REC **lines,
if (draw_nonclean) {
if (realcount < 0)
view_draw_top(view, -realcount);
view_draw_top(view, -realcount, TRUE);
else
view_draw_bottom(view, realcount);
}
@ -760,7 +769,7 @@ void textbuffer_view_resize(TEXT_BUFFER_VIEW_REC *view, int width, int height)
view->empty_linecount = view->height-linecount;
}
textbuffer_view_redraw(view);
view->dirty = TRUE;
}
/* Clear the view, don't actually remove any lines from buffer. */
@ -1154,8 +1163,8 @@ void textbuffer_view_set_window(TEXT_BUFFER_VIEW_REC *view,
if (view->window != window) {
view->window = window;
if (window != NULL)
textbuffer_view_redraw(view);
if (window != NULL)
view->dirty = TRUE;
}
}
@ -1165,8 +1174,9 @@ void textbuffer_view_redraw(TEXT_BUFFER_VIEW_REC *view)
g_return_if_fail(view != NULL);
if (view->window != NULL) {
view->dirty = FALSE;
term_window_clear(view->window);
view_draw_top(view, view->height);
view_draw_top(view, view->height, FALSE);
term_refresh(view->window);
}
}