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Implement scroll by n lines

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This commit is contained in:
Kovid Goyal 2016-11-24 10:36:54 +05:30
parent 2e3e6d331d
commit d65caa767a
2 changed files with 14 additions and 0 deletions
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6
kitty/control-codes.h
View File

@ -171,6 +171,12 @@
// of cursor move left.
#define DCH 'P'
// Scroll up by the specified number of lines
#define SU 'S'
// Scroll down by the specified number of lines
#define SD 'T'
// *Erase character*: Erase the indicated # of characters on the
// current line.
#define ECH 'X'

8
kitty/parser.c
View File

@ -247,6 +247,10 @@ static inline void
screen_cursor_up2(Screen *s, unsigned int count) { screen_cursor_up(s, count, false, -1); }
static inline void
screen_cursor_back1(Screen *s, unsigned int count) { screen_cursor_back(s, count, -1); }
static inline void
screen_indexn(Screen *s, unsigned int count) { for (index_type i=0; i < count; i++) screen_index(s); }
static inline void
screen_reverse_indexn(Screen *s, unsigned int count) { for (index_type i=0; i < count; i++) screen_reverse_index(s); }
static inline void
dispatch_csi(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
@ -370,6 +374,10 @@ dispatch_csi(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
CALL_CSI_HANDLER2(screen_set_margins, 0, 0);
case DECSCUSR:
CALL_CSI_HANDLER1M(screen_set_cursor, 1);
case SU:
CALL_CSI_HANDLER1(screen_indexn, 1);
case SD:
CALL_CSI_HANDLER1(screen_reverse_indexn, 1);
default:
REPORT_ERROR("Unknown CSI code: 0x%x", code);
}