From b5174a51038a782ff1d80f303252f04b72dbdc03 Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Mon, 12 Oct 1998 01:38:50 +0000 Subject: [PATCH] (redisplay_window): Clear w->window_end_valid before running the window-scroll-functions hook, if appropriate. --- src/xdisp.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/xdisp.c b/src/xdisp.c index 9abc887a747..f2551fc1cbd 100644 --- a/src/xdisp.c +++ b/src/xdisp.c @@ -1951,6 +1951,8 @@ redisplay_window (window, just_this_one, preserve_echo_area) w->force_start = Qnil; /* Forget any recorded base line for line number display. */ w->base_line_number = Qnil; + /* The old bottom-of-screen position is no longer valid. */ + w->window_end_valid = Qnil; /* Redisplay the mode line. Select the buffer properly for that. Also, run the hook window-scroll-functions because we have scrolled. */ @@ -2275,6 +2277,8 @@ redisplay_window (window, just_this_one, preserve_echo_area) scroll_conservatively ? pos.vpos + 1 : scroll_step, w); + /* The old bottom-of-screen position is no longer valid. */ + w->window_end_valid = Qnil; if (! NILP (Vwindow_scroll_functions)) { set_marker_both (w->start, Qnil, pos.bufpos, pos.bytepos); @@ -2316,6 +2320,8 @@ redisplay_window (window, just_this_one, preserve_echo_area) scroll_conservatively ? -pos.vpos : - scroll_step, w); + /* The old bottom-of-screen position is no longer valid. */ + w->window_end_valid = Qnil; if (! NILP (Vwindow_scroll_functions)) { set_marker_both (w->start, Qnil, pos.bufpos, pos.bytepos); @@ -2356,6 +2362,9 @@ redisplay_window (window, just_this_one, preserve_echo_area) if (PT >= pos.bufpos) { + /* The old bottom-of-screen position is no longer valid. */ + w->window_end_valid = Qnil; + if (! NILP (Vwindow_scroll_functions)) { set_marker_both (w->start, Qnil, pos.bufpos, pos.bytepos); @@ -2406,6 +2415,9 @@ recenter: /* Set startp here explicitly in case that helps avoid an infinite loop in case the window-scroll-functions functions get errors. */ set_marker_both (w->start, Qnil, pos.bufpos, pos.bytepos); + + /* The old bottom-of-screen position is no longer valid. */ + w->window_end_valid = Qnil; if (! NILP (Vwindow_scroll_functions)) { run_hook_with_args_2 (Qwindow_scroll_functions, window, -- 2.39.2