diff options
| author | Bram Moolenaar <Bram@vim.org> | 2022-09-26 15:19:56 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2022-09-26 15:19:56 +0100 |
| commit | 838b746cce7ea863acdb81e3f44eec2ea90de92a (patch) | |
| tree | 666feb45d3cbb40f9591a101bddc26032ca484e0 /src/screen.c | |
| parent | 4569020538f76cab588f723bd7243e3896937568 (diff) | |
patch 9.0.0592: display not cleared when scrolling back in messagesv9.0.0592
Problem: Display not cleared when scrolling back in messages, a background
color is set and t_ut is empty.
Solution: Clear to the end of the display if needed. (closes #8973)
Diffstat (limited to 'src/screen.c')
| -rw-r--r-- | src/screen.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/src/screen.c b/src/screen.c index 06bda0d63a..e44da02164 100644 --- a/src/screen.c +++ b/src/screen.c @@ -49,7 +49,7 @@ static int screen_attr = 0; static void screen_char_2(unsigned off, int row, int col); -static void screenclear2(int doclear); +static int screenclear2(int doclear); static void lineclear(unsigned off, int width, int attr); static void lineinvalid(unsigned off, int width); static int win_do_lines(win_T *wp, int row, int line_count, int mayclear, int del, int clear_attr); @@ -2473,6 +2473,7 @@ screen_fill( || (enc_utf8 && (int)ScreenLinesUC[off] != (c >= 0x80 ? c : 0)) || ScreenAttrs[off] != attr + || must_redraw == UPD_CLEAR // screen clear pending #if defined(FEAT_GUI) || defined(UNIX) || force_next #endif @@ -2975,13 +2976,15 @@ free_screenlines(void) * Clear the screen. * May delay if there is something the user should read. * Allocated the screen for resizing if needed. + * Returns TRUE when the screen was actually claared, FALSE if all display + * cells were marked for updating. */ - void + int screenclear(void) { check_for_delay(FALSE); - screenalloc(FALSE); // allocate screen buffers if size changed - screenclear2(TRUE); // clear the screen + screenalloc(FALSE); // allocate screen buffers if size changed + return screenclear2(TRUE); // clear the screen } /* @@ -2993,17 +2996,18 @@ redraw_as_cleared(void) screenclear2(FALSE); } - static void + static int screenclear2(int doclear) { int i; + int did_clear = FALSE; if (starting == NO_SCREEN || ScreenLines == NULL #ifdef FEAT_GUI || (gui.in_use && gui.starting) #endif ) - return; + return FALSE; #ifdef FEAT_GUI if (!gui.in_use) @@ -3026,6 +3030,7 @@ screenclear2(int doclear) if (doclear && can_clear(T_CL)) { out_str(T_CL); // clear the display + did_clear = TRUE; clear_cmdline = FALSE; mode_displayed = FALSE; } @@ -3054,6 +3059,8 @@ screenclear2(int doclear) screen_start(); // don't know where cursor is now msg_didany = FALSE; msg_didout = FALSE; + + return did_clear; } /* |