st

my build of st - simple terminal
git clone git://git.kocotian.pl/st.git
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commit 6f87a39444166674daa94860d365e72343e0b882
parent ce27e634910e10c470b2dcb2edcd20f05d25343b
Author: Aurélien Aptel <aurelien.aptel@gmail.com>
Date:   Sat, 16 Oct 2010 20:50:29 +0200

added LNM mode; re-organized kpress() to handle it.

Diffstat:
Mst.c | 51++++++++++++++++++++++++++++++++++-----------------
1 file changed, 34 insertions(+), 17 deletions(-)

diff --git a/st.c b/st.c @@ -55,7 +55,8 @@ enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT, CURSOR_SAVE, CURSOR_LOAD }; enum { CURSOR_DEFAULT = 0, CURSOR_HIDE = 1, CURSOR_WRAPNEXT = 2 }; enum { GLYPH_SET=1, GLYPH_DIRTY=2 }; -enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8 }; +enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8, + MODE_CRLF=16 }; enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 }; enum { SCREEN_UPDATE, SCREEN_REDRAW }; enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 }; @@ -164,7 +165,7 @@ static void tinsertblank(int); static void tinsertblankline(int); static void tmoveto(int, int); static void tnew(int, int); -static void tnewline(void); +static void tnewline(int); static void tputtab(void); static void tputc(char); static void tputs(char*, int); @@ -626,14 +627,13 @@ tscrollup(int orig, int n) { } void -tnewline(void) { - int x = term.c.x+1 < term.col ? term.c.x : 0; +tnewline(int first_col) { int y = term.c.y; - if(term.c.y == term.bot) + if(y == term.bot) tscrollup(term.top, 1); else y++; - tmoveto(x, y); + tmoveto(first_col ? 0 : term.c.x, y); } void @@ -932,6 +932,9 @@ csihandle(void) { break; case 12: /* att610 -- Stop blinking cursor (IGNORED) */ break; + case 20: + term.mode &= ~MODE_CRLF; + break; case 25: term.c.state |= CURSOR_HIDE; break; @@ -988,6 +991,9 @@ csihandle(void) { case 7: term.mode |= MODE_WRAP; break; + case 20: + term.mode |= MODE_CRLF; + break; case 12: /* att610 -- Start blinking cursor (IGNORED) */ /* fallthrough for xterm cvvis = CSI [ ? 12 ; 25 h */ if(escseq.narg > 1 && escseq.arg[1] != 25) @@ -1116,7 +1122,7 @@ tputc(char c) { term.esc = 0; break; case 'E': /* NEL -- Next line */ - tnewline(); + tnewline(1); /* always go to first col */ term.esc = 0; break; case 'M': /* RI -- Reverse index */ @@ -1163,7 +1169,8 @@ tputc(char c) { tmoveto(0, term.c.y); break; case '\n': - tnewline(); + /* go to first col if the mode is set */ + tnewline(IS_SET(MODE_CRLF)); break; case '\a': if(!(xw.state & WIN_FOCUSED)) @@ -1175,7 +1182,7 @@ tputc(char c) { break; default: if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT) - tnewline(); + tnewline(1); /* always go to first col */ tsetchar(c); if(term.c.x+1 < term.col) tmoveto(term.c.x+1, term.c.y); @@ -1560,15 +1567,12 @@ kpress(XEvent *ev) { meta = e->state & Mod1Mask; shift = e->state & ShiftMask; len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status); - + + /* 1. custom keys from config.h */ if((customkey = kmap(ksym))) ttywrite(customkey, strlen(customkey)); - else if(len > 0) { - buf[sizeof(buf)-1] = '\0'; - if(meta && len == 1) - ttywrite("\033", 1); - ttywrite(buf, len); - } else + /* 2. hardcoded (overrides X lookup) */ + else switch(ksym) { case XK_Up: case XK_Down: @@ -1581,8 +1585,21 @@ kpress(XEvent *ev) { if(shift) selpaste(); break; + case XK_Return: + if(IS_SET(MODE_CRLF)) + ttywrite("\r\n", 2); + else + ttywrite("\r", 1); + break; + /* 3. X lookup */ default: - fprintf(stderr, "errkey: %d\n", (int)ksym); + if(len > 0) { + buf[sizeof(buf)-1] = '\0'; + if(meta && len == 1) + ttywrite("\033", 1); + ttywrite(buf, len); + } else /* 4. nothing to send */ + fprintf(stderr, "errkey: %d\n", (int)ksym); break; } }