From 4da61803184cb96c97e0feac8adb99d3ebc2e54d Mon Sep 17 00:00:00 2001 From: Gerd Moellmann Date: Thu, 21 Sep 2000 18:41:57 +0000 Subject: [PATCH] (try_window_reusing_current_matrix): Fix computation of reused rows' y-position in the case window has a header-line, and new window start is greater than old window start. --- src/xdisp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/xdisp.c b/src/xdisp.c index 816ea6debf7..899e0d2fa9b 100644 --- a/src/xdisp.c +++ b/src/xdisp.c @@ -9745,7 +9745,6 @@ try_window_reusing_current_matrix (w) struct glyph_row *last_reused_text_row; struct glyph_row *start_row; int start_vpos, min_y, max_y; - if (/* This function doesn't handle terminal frames. */ !FRAME_WINDOW_P (f) @@ -10017,6 +10016,8 @@ try_window_reusing_current_matrix (w) run.current_y = first_reusable_row->y; run.desired_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); run.height = it.last_visible_y - run.current_y; + dy = run.current_y - run.desired_y; + if (run.height) { struct frame *f = XFRAME (WINDOW_FRAME (w)); @@ -10031,7 +10032,6 @@ try_window_reusing_current_matrix (w) /* Adjust Y positions of reused rows. */ bottom_row = MATRIX_BOTTOM_TEXT_ROW (w->current_matrix, w); row = first_reusable_row; - dy = first_reusable_row->y; min_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); max_y = it.last_visible_y; while (row < first_row_to_display) -- 2.39.5