diff options
author | Bram Moolenaar <Bram@vim.org> | 2019-02-16 16:48:01 +0100 |
---|---|---|
committer | Bram Moolenaar <Bram@vim.org> | 2019-02-16 16:48:01 +0100 |
commit | 6982f42f33b2868e4b9884514cfe8e357b727498 (patch) | |
tree | 60d57f821c7c01c66daafe5514f232f873a2f494 /src/os_win32.c | |
parent | 14184a3133b9a6ee5f711d493c04e41ba4fa7c2f (diff) |
patch 8.1.0933: When using VTP scroll region isn't used properlyv8.1.0933
Problem: When using VTP scroll region isn't used properly.
Solution: Make better use of the scroll region. (Nobuhiro Takasaki,
closes #3974)
Diffstat (limited to 'src/os_win32.c')
-rw-r--r-- | src/os_win32.c | 122 |
1 files changed, 77 insertions, 45 deletions
diff --git a/src/os_win32.c b/src/os_win32.c index 816c3a59cf..3627532cac 100644 --- a/src/os_win32.c +++ b/src/os_win32.c @@ -171,6 +171,9 @@ static int g_fForceExit = FALSE; /* set when forcefully exiting */ static void scroll(unsigned cLines); static void set_scroll_region(unsigned left, unsigned top, unsigned right, unsigned bottom); +static void set_scroll_region_tb(unsigned top, unsigned bottom); +static void set_scroll_region_lr(unsigned left, unsigned right); +static void insert_lines(unsigned cLines); static void delete_lines(unsigned cLines); static void gotoxy(unsigned x, unsigned y); static void standout(void); @@ -5392,7 +5395,7 @@ create_pipe_pair(HANDLE handles[2]) if (handles[0] == INVALID_HANDLE_VALUE) { - CloseHandle(handles[1]); + CloseHandle(handles[1]); return FALSE; } @@ -5976,9 +5979,30 @@ set_scroll_region( g_srScrollRegion.Top = top; g_srScrollRegion.Right = right; g_srScrollRegion.Bottom = bottom; +} - if (USE_VTP) - vtp_printf("\033[%d;%dr", top + 1, bottom + 1); + static void +set_scroll_region_tb( + unsigned top, + unsigned bottom) +{ + if (top >= bottom || bottom > (unsigned)Rows - 1) + return; + + g_srScrollRegion.Top = top; + g_srScrollRegion.Bottom = bottom; +} + + static void +set_scroll_region_lr( + unsigned left, + unsigned right) +{ + if (left >= right || right > (unsigned)Columns - 1) + return; + + g_srScrollRegion.Left = left; + g_srScrollRegion.Right = right; } @@ -5988,47 +6012,49 @@ set_scroll_region( static void insert_lines(unsigned cLines) { - SMALL_RECT source; + SMALL_RECT source, clip; COORD dest; CHAR_INFO fill; - dest.X = 0; + dest.X = g_srScrollRegion.Left; dest.Y = g_coord.Y + cLines; - source.Left = 0; + source.Left = g_srScrollRegion.Left; source.Top = g_coord.Y; source.Right = g_srScrollRegion.Right; source.Bottom = g_srScrollRegion.Bottom - cLines; - if (!USE_VTP) + clip.Left = g_srScrollRegion.Left; + clip.Top = g_coord.Y; + clip.Right = g_srScrollRegion.Right; + clip.Bottom = g_srScrollRegion.Bottom; + { fill.Char.AsciiChar = ' '; - fill.Attributes = g_attrCurrent; + fill.Attributes = g_attrDefault; - ScrollConsoleScreenBuffer(g_hConOut, &source, NULL, dest, &fill); - } - else - { set_console_color_rgb(); - gotoxy(1, source.Top + 1); - vtp_printf("\033[%dT", cLines); + ScrollConsoleScreenBuffer(g_hConOut, &source, &clip, dest, &fill); } - - /* Here we have to deal with a win32 console flake: If the scroll - * region looks like abc and we scroll c to a and fill with d we get - * cbd... if we scroll block c one line at a time to a, we get cdd... - * vim expects cdd consistently... So we have to deal with that - * here... (this also occurs scrolling the same way in the other - * direction). */ + // Here we have to deal with a win32 console flake: If the scroll + // region looks like abc and we scroll c to a and fill with d we get + // cbd... if we scroll block c one line at a time to a, we get cdd... + // vim expects cdd consistently... So we have to deal with that + // here... (this also occurs scrolling the same way in the other + // direction). if (source.Bottom < dest.Y) { COORD coord; + int i; - coord.X = 0; - coord.Y = source.Bottom; - clear_chars(coord, Columns * (dest.Y - source.Bottom)); + coord.X = source.Left; + for (i = clip.Top; i < dest.Y; ++i) + { + coord.Y = i; + clear_chars(coord, source.Right - source.Left + 1); + } } } @@ -6039,50 +6065,48 @@ insert_lines(unsigned cLines) static void delete_lines(unsigned cLines) { - SMALL_RECT source; + SMALL_RECT source, clip; COORD dest; CHAR_INFO fill; int nb; - dest.X = 0; + dest.X = g_srScrollRegion.Left; dest.Y = g_coord.Y; - source.Left = 0; + source.Left = g_srScrollRegion.Left; source.Top = g_coord.Y + cLines; source.Right = g_srScrollRegion.Right; source.Bottom = g_srScrollRegion.Bottom; - if (!USE_VTP) + clip.Left = g_srScrollRegion.Left; + clip.Top = g_coord.Y; + clip.Right = g_srScrollRegion.Right; + clip.Bottom = g_srScrollRegion.Bottom; + { fill.Char.AsciiChar = ' '; - fill.Attributes = g_attrCurrent; + fill.Attributes = g_attrDefault; - ScrollConsoleScreenBuffer(g_hConOut, &source, NULL, dest, &fill); - } - else - { set_console_color_rgb(); - gotoxy(1, source.Top + 1); - vtp_printf("\033[%dS", cLines); + ScrollConsoleScreenBuffer(g_hConOut, &source, &clip, dest, &fill); } - - /* Here we have to deal with a win32 console flake: If the scroll - * region looks like abc and we scroll c to a and fill with d we get - * cbd... if we scroll block c one line at a time to a, we get cdd... - * vim expects cdd consistently... So we have to deal with that - * here... (this also occurs scrolling the same way in the other - * direction). */ + // Here we have to deal with a win32 console flake; See insert_lines() + // above. nb = dest.Y + (source.Bottom - source.Top) + 1; if (nb < source.Top) { COORD coord; + int i; - coord.X = 0; - coord.Y = nb; - clear_chars(coord, Columns * (source.Top - nb)); + coord.X = source.Left; + for (i = nb; i < clip.Bottom; ++i) + { + coord.Y = i; + clear_chars(coord, source.Right - source.Left + 1); + } } } @@ -6508,6 +6532,14 @@ mch_write( { set_scroll_region(0, arg1 - 1, Columns - 1, arg2 - 1); } + else if (argc == 2 && *p == 'R') + { + set_scroll_region_tb(arg1, arg2); + } + else if (argc == 2 && *p == 'V') + { + set_scroll_region_lr(arg1, arg2); + } else if (argc == 1 && *p == 'A') { gotoxy(g_coord.X + 1, |