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(try_window_reusing_current_matrix): Fix computation of

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reused rows' y-position in the case window has a header-line, and
new window start is greater than old window start.
This commit is contained in:
Gerd Moellmann 2000-09-21 18:41:57 +00:00
parent bfdcafe17b
commit 4da6180318
1 changed files with 2 additions and 2 deletions
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4
src/xdisp.c
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@ -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)