X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=123d29e4f475e2f298d8cffbebc567505a644e44;hb=81c678e53e21d496a18a1cde539101da77237e24;hp=e6a5e4ea32d35fd70b74bc0d45016c18d674747e;hpb=751fb765e4f26ce1500b4e8ee9f4cd5b6039b495;p=st.git diff --git a/st.c b/st.c index e6a5e4e..123d29e 100644 --- a/st.c +++ b/st.c @@ -24,6 +24,7 @@ #include #include #include +#include #if defined(__linux) #include @@ -42,9 +43,10 @@ #define XEMBED_FOCUS_OUT 5 /* Arbitrary sizes */ -#define ESC_TITLE_SIZ 256 #define ESC_BUF_SIZ 256 #define ESC_ARG_SIZ 16 +#define STR_BUF_SIZ 256 +#define STR_ARG_SIZ 16 #define DRAW_BUF_SIZ 1024 #define UTF_SIZ 4 #define XK_NO_MOD UINT_MAX @@ -66,17 +68,61 @@ #define X2COL(x) (((x) - BORDER)/xw.cw) #define Y2ROW(y) (((y) - BORDER)/xw.ch) -/* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */ -enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=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, - MODE_CRLF=16, MODE_MOUSEBTN=32, MODE_MOUSEMOTION=64, MODE_MOUSE=32|64, MODE_REVERSE=128 }; -enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 }; -enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 }; +enum glyph_attribute { + ATTR_NULL = 0, + ATTR_REVERSE = 1, + ATTR_UNDERLINE = 2, + ATTR_BOLD = 4, + ATTR_GFX = 8, +}; + +enum cursor_movement { + CURSOR_UP, + CURSOR_DOWN, + CURSOR_LEFT, + CURSOR_RIGHT, + CURSOR_SAVE, + CURSOR_LOAD +}; + +enum cursor_state { + CURSOR_DEFAULT = 0, + CURSOR_HIDE = 1, + CURSOR_WRAPNEXT = 2 +}; + +enum glyph_state { + GLYPH_SET = 1, + GLYPH_DIRTY = 2 +}; + +enum term_mode { + MODE_WRAP = 1, + MODE_INSERT = 2, + MODE_APPKEYPAD = 4, + MODE_ALTSCREEN = 8, + MODE_CRLF = 16, + MODE_MOUSEBTN = 32, + MODE_MOUSEMOTION = 64, + MODE_MOUSE = 32|64, + MODE_REVERSE = 128 +}; +enum escape_state { + ESC_START = 1, + ESC_CSI = 2, + ESC_STR = 4, /* DSC, OSC, PM, APC */ + ESC_ALTCHARSET = 8, + ESC_STR_END = 16, /* a final string was encountered */ +}; + +enum window_state { + WIN_VISIBLE = 1, + WIN_REDRAW = 2, + WIN_FOCUSED = 4 +}; + +/* bit macro */ #undef B0 enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 }; @@ -106,27 +152,36 @@ typedef struct { /* ESC '[' [[ [] [;]] ] */ typedef struct { char buf[ESC_BUF_SIZ]; /* raw string */ - int len; /* raw string length */ + int len; /* raw string length */ char priv; int arg[ESC_ARG_SIZ]; - int narg; /* nb of args */ + int narg; /* nb of args */ char mode; } CSIEscape; +/* STR Escape sequence structs */ +/* ESC type [[ [] [;]] ] ESC '\' */ +typedef struct { + char type; /* ESC type ... */ + char buf[STR_BUF_SIZ]; /* raw string */ + int len; /* raw string length */ + char *args[STR_ARG_SIZ]; + int narg; /* nb of args */ +} STREscape; + /* Internal representation of the screen */ typedef struct { int row; /* nb row */ int col; /* nb col */ Line* line; /* screen */ Line* alt; /* alternate screen */ - bool* dirty; /* dirtyness of lines */ + bool* dirty; /* dirtyness of lines */ TCursor c; /* cursor */ int top; /* top scroll limit */ int bot; /* bottom scroll limit */ int mode; /* terminal mode flags */ int esc; /* escape state flags */ - char title[ESC_TITLE_SIZ]; - int titlelen; + bool *tabs; } Term; /* Purely graphic info */ @@ -134,15 +189,13 @@ typedef struct { Display* dpy; Colormap cmap; Window win; - Pixmap buf; + XdbeBackBuffer buf; Atom xembed; XIM xim; XIC xic; int scr; int w; /* window width */ int h; /* window height */ - int bufw; /* pixmap width */ - int bufh; /* pixmap height */ int ch; /* char height */ int cw; /* char width */ char state; /* focus, redraw, visible */ @@ -195,6 +248,10 @@ static void csidump(void); static void csihandle(void); static void csiparse(void); static void csireset(void); +static void strdump(void); +static void strhandle(void); +static void strparse(void); +static void strreset(void); static void tclearregion(int, int, int, int); static void tcursor(int); @@ -205,7 +262,7 @@ static void tinsertblankline(int); static void tmoveto(int, int); static void tnew(int, int); static void tnewline(int); -static void tputtab(void); +static void tputtab(bool); static void tputc(char*); static void treset(void); static int tresize(int, int); @@ -215,6 +272,7 @@ static void tsetattr(int*, int); static void tsetchar(char*); static void tsetscroll(int, int); static void tswapscreen(void); +static void tsetdirt(int, int); static void tfulldirt(void); static void ttynew(void); @@ -225,7 +283,7 @@ static void ttywrite(const char *, size_t); static void xdraws(char *, Glyph, int, int, int, int); static void xhints(void); static void xclear(int, int, int, int); -static void xcopy(int, int, int, int); +static void xcopy(); static void xdrawcursor(void); static void xinit(void); static void xloadcols(void); @@ -278,7 +336,8 @@ static void (*handler[LASTEvent])(XEvent *) = { static DC dc; static XWindow xw; static Term term; -static CSIEscape escseq; +static CSIEscape csiescseq; +static STREscape strescseq; static int cmdfd; static pid_t pid; static Selection sel; @@ -402,8 +461,8 @@ utf8size(char *s) { void selinit(void) { - sel.tclick1.tv_sec = 0; - sel.tclick1.tv_usec = 0; + memset(&sel.tclick1, 0, sizeof(sel.tclick1)); + memset(&sel.tclick2, 0, sizeof(sel.tclick2)); sel.mode = 0; sel.bx = -1; sel.clip = NULL; @@ -476,8 +535,7 @@ bpress(XEvent *e) { mousereport(e); else if(e->xbutton.button == Button1) { if(sel.bx != -1) - for(int i=sel.b.y; i<=sel.e.y; i++) - term.dirty[i] = 1; + tsetdirt(sel.b.y, sel.e.y); sel.mode = 1; sel.ex = sel.bx = X2COL(e->xbutton.x); sel.ey = sel.by = Y2ROW(e->xbutton.y); @@ -487,21 +545,28 @@ bpress(XEvent *e) { void selcopy(void) { char *str, *ptr; - int x, y, sz, sl, ls = 0; + int x, y, bufsize, is_selected = 0; if(sel.bx == -1) str = NULL; + else { - sz = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ; - ptr = str = malloc(sz); + bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ; + ptr = str = malloc(bufsize); + + /* append every set & selected glyph to the selection */ for(y = 0; y < term.row; y++) { - for(x = 0; x < term.col; x++) - if(term.line[y][x].state & GLYPH_SET && (ls = selected(x, y))) { - sl = utf8size(term.line[y][x].c); - memcpy(ptr, term.line[y][x].c, sl); - ptr += sl; + for(x = 0; x < term.col; x++) { + is_selected = selected(x, y); + if((term.line[y][x].state & GLYPH_SET) && is_selected) { + int size = utf8size(term.line[y][x].c); + memcpy(ptr, term.line[y][x].c, size); + ptr += size; } - if(ls && y < sel.e.y) + } + + /* \n at the end of every selected line except for the last one */ + if(is_selected && y < sel.e.y) *ptr++ = '\n'; } *ptr = 0; @@ -643,8 +708,7 @@ bmotion(XEvent *e) { if(oldey != sel.ey || oldex != sel.ex) { int starty = MIN(oldey, sel.ey); int endy = MAX(oldey, sel.ey); - for(int i = starty; i <= endy; i++) - term.dirty[i] = 1; + tsetdirt(starty, endy); draw(); } } @@ -665,7 +729,7 @@ execsh(void) { char **args; char *envshell = getenv("SHELL"); - DEFAULT(envshell, "sh"); + DEFAULT(envshell, SHELL); putenv("TERM="TNAME); args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL}; execvp(args[0], args); @@ -769,14 +833,24 @@ ttyresize(int x, int y) { } void -tfulldirt(void) +tsetdirt(int top, int bot) { int i; - for(i = 0; i < term.row; i++) + + LIMIT(top, 0, term.row-1); + LIMIT(bot, 0, term.row-1); + + for(i = top; i <= bot; i++) term.dirty[i] = 1; } void +tfulldirt(void) +{ + tsetdirt(0, term.row-1); +} + +void tcursor(int mode) { static TCursor c; @@ -788,12 +862,16 @@ tcursor(int mode) { void treset(void) { + unsigned i; term.c = (TCursor){{ .mode = ATTR_NULL, .fg = DefaultFG, .bg = DefaultBG }, .x = 0, .y = 0, .state = CURSOR_DEFAULT}; - + + memset(term.tabs, 0, term.col * sizeof(*term.tabs)); + for (i = TAB; i < term.col; i += TAB) + term.tabs[i] = 1; term.top = 0, term.bot = term.row - 1; term.mode = MODE_WRAP; tclearregion(0, 0, term.col-1, term.row-1); @@ -806,12 +884,14 @@ tnew(int col, int row) { term.line = malloc(term.row * sizeof(Line)); term.alt = malloc(term.row * sizeof(Line)); term.dirty = malloc(term.row * sizeof(*term.dirty)); + term.tabs = malloc(term.col * sizeof(*term.tabs)); for(row = 0; row < term.row; row++) { term.line[row] = malloc(term.col * sizeof(Glyph)); term.alt [row] = malloc(term.col * sizeof(Glyph)); term.dirty[row] = 0; } + memset(term.tabs, 0, term.col * sizeof(*term.tabs)); /* setup screen */ treset(); } @@ -902,22 +982,22 @@ tnewline(int first_col) { void csiparse(void) { /* int noarg = 1; */ - char *p = escseq.buf; + char *p = csiescseq.buf; - escseq.narg = 0; + csiescseq.narg = 0; if(*p == '?') - escseq.priv = 1, p++; + csiescseq.priv = 1, p++; - while(p < escseq.buf+escseq.len) { + while(p < csiescseq.buf+csiescseq.len) { while(isdigit(*p)) { - escseq.arg[escseq.narg] *= 10; - escseq.arg[escseq.narg] += *p++ - '0'/*, noarg = 0 */; + csiescseq.arg[csiescseq.narg] *= 10; + csiescseq.arg[csiescseq.narg] += *p++ - '0'/*, noarg = 0 */; } - if(*p == ';' && escseq.narg+1 < ESC_ARG_SIZ) - escseq.narg++, p++; + if(*p == ';' && csiescseq.narg+1 < ESC_ARG_SIZ) + csiescseq.narg++, p++; else { - escseq.mode = *p; - escseq.narg++; + csiescseq.mode = *p; + csiescseq.narg++; return; } } @@ -1100,7 +1180,7 @@ tsetscroll(int t, int b) { void csihandle(void) { - switch(escseq.mode) { + switch(csiescseq.mode) { default: unknown: fprintf(stderr, "erresc: unknown csi "); @@ -1108,50 +1188,66 @@ csihandle(void) { /* die(""); */ break; case '@': /* ICH -- Insert blank char */ - DEFAULT(escseq.arg[0], 1); - tinsertblank(escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tinsertblank(csiescseq.arg[0]); break; case 'A': /* CUU -- Cursor Up */ case 'e': - DEFAULT(escseq.arg[0], 1); - tmoveto(term.c.x, term.c.y-escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tmoveto(term.c.x, term.c.y-csiescseq.arg[0]); break; case 'B': /* CUD -- Cursor Down */ - DEFAULT(escseq.arg[0], 1); - tmoveto(term.c.x, term.c.y+escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tmoveto(term.c.x, term.c.y+csiescseq.arg[0]); break; case 'C': /* CUF -- Cursor Forward */ case 'a': - DEFAULT(escseq.arg[0], 1); - tmoveto(term.c.x+escseq.arg[0], term.c.y); + DEFAULT(csiescseq.arg[0], 1); + tmoveto(term.c.x+csiescseq.arg[0], term.c.y); break; case 'D': /* CUB -- Cursor Backward */ - DEFAULT(escseq.arg[0], 1); - tmoveto(term.c.x-escseq.arg[0], term.c.y); + DEFAULT(csiescseq.arg[0], 1); + tmoveto(term.c.x-csiescseq.arg[0], term.c.y); break; case 'E': /* CNL -- Cursor Down and first col */ - DEFAULT(escseq.arg[0], 1); - tmoveto(0, term.c.y+escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tmoveto(0, term.c.y+csiescseq.arg[0]); break; case 'F': /* CPL -- Cursor Up and first col */ - DEFAULT(escseq.arg[0], 1); - tmoveto(0, term.c.y-escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tmoveto(0, term.c.y-csiescseq.arg[0]); + break; + case 'g': /* TBC -- Tabulation clear */ + switch (csiescseq.arg[0]) { + case 0: /* clear current tab stop */ + term.tabs[term.c.x] = 0; + break; + case 3: /* clear all the tabs */ + memset(term.tabs, 0, term.col * sizeof(*term.tabs)); + break; + default: + goto unknown; + } break; case 'G': /* CHA -- Move to */ case '`': /* XXX: HPA -- same? */ - DEFAULT(escseq.arg[0], 1); - tmoveto(escseq.arg[0]-1, term.c.y); + DEFAULT(csiescseq.arg[0], 1); + tmoveto(csiescseq.arg[0]-1, term.c.y); break; case 'H': /* CUP -- Move to */ case 'f': /* XXX: HVP -- same? */ - DEFAULT(escseq.arg[0], 1); - DEFAULT(escseq.arg[1], 1); - tmoveto(escseq.arg[1]-1, escseq.arg[0]-1); + DEFAULT(csiescseq.arg[0], 1); + DEFAULT(csiescseq.arg[1], 1); + tmoveto(csiescseq.arg[1]-1, csiescseq.arg[0]-1); + break; + case 'I': /* CHT -- Cursor Forward Tabulation tab stops */ + DEFAULT(csiescseq.arg[0], 1); + while (csiescseq.arg[0]--) + tputtab(1); break; - /* XXX: (CSI n I) CHT -- Cursor Forward Tabulation tab stops */ case 'J': /* ED -- Clear screen */ sel.bx = -1; - switch(escseq.arg[0]) { + switch(csiescseq.arg[0]) { case 0: /* below */ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); if(term.c.y < term.row-1) @@ -1170,7 +1266,7 @@ csihandle(void) { } break; case 'K': /* EL -- Clear line */ - switch(escseq.arg[0]) { + switch(csiescseq.arg[0]) { case 0: /* right */ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); break; @@ -1183,20 +1279,20 @@ csihandle(void) { } break; case 'S': /* SU -- Scroll line up */ - DEFAULT(escseq.arg[0], 1); - tscrollup(term.top, escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tscrollup(term.top, csiescseq.arg[0]); break; case 'T': /* SD -- Scroll line down */ - DEFAULT(escseq.arg[0], 1); - tscrolldown(term.top, escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tscrolldown(term.top, csiescseq.arg[0]); break; case 'L': /* IL -- Insert blank lines */ - DEFAULT(escseq.arg[0], 1); - tinsertblankline(escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tinsertblankline(csiescseq.arg[0]); break; case 'l': /* RM -- Reset Mode */ - if(escseq.priv) { - switch(escseq.arg[0]) { + if(csiescseq.priv) { + switch(csiescseq.arg[0]) { case 1: term.mode &= ~MODE_APPKEYPAD; break; @@ -1230,7 +1326,7 @@ csihandle(void) { tclearregion(0, 0, term.col-1, term.row-1); tswapscreen(); } - if(escseq.arg[0] != 1049) + if(csiescseq.arg[0] != 1049) break; case 1048: tcursor(CURSOR_LOAD); @@ -1239,7 +1335,7 @@ csihandle(void) { goto unknown; } } else { - switch(escseq.arg[0]) { + switch(csiescseq.arg[0]) { case 4: term.mode &= ~MODE_INSERT; break; @@ -1249,25 +1345,29 @@ csihandle(void) { } break; case 'M': /* DL -- Delete lines */ - DEFAULT(escseq.arg[0], 1); - tdeleteline(escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tdeleteline(csiescseq.arg[0]); break; case 'X': /* ECH -- Erase char */ - DEFAULT(escseq.arg[0], 1); - tclearregion(term.c.x, term.c.y, term.c.x + escseq.arg[0], term.c.y); + DEFAULT(csiescseq.arg[0], 1); + tclearregion(term.c.x, term.c.y, term.c.x + csiescseq.arg[0], term.c.y); break; case 'P': /* DCH -- Delete char */ - DEFAULT(escseq.arg[0], 1); - tdeletechar(escseq.arg[0]); + DEFAULT(csiescseq.arg[0], 1); + tdeletechar(csiescseq.arg[0]); + break; + case 'Z': /* CBT -- Cursor Backward Tabulation tab stops */ + DEFAULT(csiescseq.arg[0], 1); + while (csiescseq.arg[0]--) + tputtab(0); break; - /* XXX: (CSI n Z) CBT -- Cursor Backward Tabulation tab stops */ case 'd': /* VPA -- Move to */ - DEFAULT(escseq.arg[0], 1); - tmoveto(term.c.x, escseq.arg[0]-1); + DEFAULT(csiescseq.arg[0], 1); + tmoveto(term.c.x, csiescseq.arg[0]-1); break; case 'h': /* SM -- Set terminal mode */ - if(escseq.priv) { - switch(escseq.arg[0]) { + if(csiescseq.priv) { + switch(csiescseq.arg[0]) { case 1: term.mode |= MODE_APPKEYPAD; break; @@ -1285,7 +1385,7 @@ csihandle(void) { break; case 12: /* att610 -- Start blinking cursor (IGNORED) */ /* fallthrough for xterm cvvis = CSI [ ? 12 ; 25 h */ - if(escseq.narg > 1 && escseq.arg[1] != 25) + if(csiescseq.narg > 1 && csiescseq.arg[1] != 25) break; case 25: term.c.state &= ~CURSOR_HIDE; @@ -1303,7 +1403,7 @@ csihandle(void) { tclearregion(0, 0, term.col-1, term.row-1); else tswapscreen(); - if(escseq.arg[0] != 1049) + if(csiescseq.arg[0] != 1049) break; case 1048: tcursor(CURSOR_SAVE); @@ -1311,7 +1411,7 @@ csihandle(void) { default: goto unknown; } } else { - switch(escseq.arg[0]) { + switch(csiescseq.arg[0]) { case 4: term.mode |= MODE_INSERT; break; @@ -1320,15 +1420,15 @@ csihandle(void) { }; break; case 'm': /* SGR -- Terminal attribute (color) */ - tsetattr(escseq.arg, escseq.narg); + tsetattr(csiescseq.arg, csiescseq.narg); break; case 'r': /* DECSTBM -- Set Scrolling Region */ - if(escseq.priv) + if(csiescseq.priv) goto unknown; else { - DEFAULT(escseq.arg[0], 1); - DEFAULT(escseq.arg[1], term.row); - tsetscroll(escseq.arg[0]-1, escseq.arg[1]-1); + DEFAULT(csiescseq.arg[0], 1); + DEFAULT(csiescseq.arg[1], term.row); + tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1); tmoveto(0, 0); } break; @@ -1343,19 +1443,115 @@ csihandle(void) { void csidump(void) { - fwrite("\033[", 1, 2, stdout); - fwrite(escseq.buf, 1, escseq.len, stdout); + int i; + printf("ESC["); + for(i = 0; i < csiescseq.len; i++) { + uint c = csiescseq.buf[i] & 0xff; + if(isprint(c)) putchar(c); + else if(c == '\n') printf("(\\n)"); + else if(c == '\r') printf("(\\r)"); + else if(c == 0x1b) printf("(\\e)"); + else printf("(%02x)", c); + } + putchar('\n'); } void csireset(void) { - memset(&escseq, 0, sizeof(escseq)); + memset(&csiescseq, 0, sizeof(csiescseq)); +} + +void +strhandle(void) { + char *p; + + /* + * TODO: make this being useful in case of color palette change. + */ + strparse(); + + p = strescseq.buf; + + switch(strescseq.type) { + case ']': /* OSC -- Operating System Command */ + switch(p[0]) { + case '0': + case '1': + case '2': + /* + * TODO: Handle special chars in string, like umlauts. + */ + if(p[1] == ';') { + XStoreName(xw.dpy, xw.win, strescseq.buf+2); + } + break; + case ';': + XStoreName(xw.dpy, xw.win, strescseq.buf+1); + break; + case '4': /* TODO: Set color (arg0) to "rgb:%hexr/$hexg/$hexb" (arg1) */ + break; + default: + fprintf(stderr, "erresc: unknown str "); + strdump(); + break; + } + break; + case 'P': /* DSC -- Device Control String */ + case '_': /* APC -- Application Program Command */ + case '^': /* PM -- Privacy Message */ + default: + fprintf(stderr, "erresc: unknown str "); + strdump(); + /* die(""); */ + break; + } } void -tputtab(void) { - int space = TAB - term.c.x % TAB; - tmoveto(term.c.x + space, term.c.y); +strparse(void) { + /* + * TODO: Implement parsing like for CSI when required. + * Format: ESC type cmd ';' arg0 [';' argn] ESC \ + */ + return; +} + +void +strdump(void) { + int i; + printf("ESC%c", strescseq.type); + for(i = 0; i < strescseq.len; i++) { + uint c = strescseq.buf[i] & 0xff; + if(isprint(c)) putchar(c); + else if(c == '\n') printf("(\\n)"); + else if(c == '\r') printf("(\\r)"); + else if(c == 0x1b) printf("(\\e)"); + else printf("(%02x)", c); + } + printf("ESC\\\n"); +} + +void +strreset(void) { + memset(&strescseq, 0, sizeof(strescseq)); +} + +void +tputtab(bool forward) { + unsigned x = term.c.x; + + if (forward) { + if (x == term.col) + return; + for (++x; x < term.col && !term.tabs[x]; ++x) + /* nothing */ ; + } else { + if (x == 0) + return; + for (--x; x > 0 && !term.tabs[x]; --x) + /* nothing */ ; + } + tmoveto(x, term.c.y); } void @@ -1363,25 +1559,31 @@ tputc(char *c) { char ascii = *c; if(term.esc & ESC_START) { if(term.esc & ESC_CSI) { - escseq.buf[escseq.len++] = ascii; - if(BETWEEN(ascii, 0x40, 0x7E) || escseq.len >= ESC_BUF_SIZ) { + csiescseq.buf[csiescseq.len++] = ascii; + if(BETWEEN(ascii, 0x40, 0x7E) || csiescseq.len >= ESC_BUF_SIZ) { term.esc = 0; csiparse(), csihandle(); } - /* TODO: handle other OSC */ - } else if(term.esc & ESC_OSC) { - if(ascii == ';') { - term.titlelen = 0; - term.esc = ESC_START | ESC_TITLE; - } - } else if(term.esc & ESC_TITLE) { - if(ascii == '\a' || term.titlelen+1 >= ESC_TITLE_SIZ) { + } else if(term.esc & ESC_STR) { + switch(ascii) { + case '\033': + term.esc = ESC_START | ESC_STR_END; + break; + case '\a': /* backwards compatibility to xterm */ term.esc = 0; - term.title[term.titlelen] = '\0'; - XStoreName(xw.dpy, xw.win, term.title); - } else { - term.title[term.titlelen++] = ascii; + strhandle(); + break; + default: + strescseq.buf[strescseq.len++] = ascii; + if (strescseq.len+1 >= STR_BUF_SIZ) { + term.esc = 0; + strhandle(); + } } + } else if(term.esc & ESC_STR_END) { + term.esc = 0; + if(ascii == '\\') + strhandle(); } else if(term.esc & ESC_ALTCHARSET) { switch(ascii) { case '0': /* Line drawing crap */ @@ -1399,8 +1601,13 @@ tputc(char *c) { case '[': term.esc |= ESC_CSI; break; - case ']': - term.esc |= ESC_OSC; + case 'P': /* DCS -- Device Control String */ + case '_': /* APC -- Application Program Command */ + case '^': /* PM -- Privacy Message */ + case ']': /* OSC -- Operating System Command */ + strreset(); + strescseq.type = ascii; + term.esc |= ESC_STR; break; case '(': term.esc |= ESC_ALTCHARSET; @@ -1416,6 +1623,10 @@ tputc(char *c) { tnewline(1); /* always go to first col */ term.esc = 0; break; + case 'H': /* HTS -- Horizontal tab stop */ + term.tabs[term.c.x] = 1; + term.esc = 0; + break; case 'M': /* RI -- Reverse index */ if(term.c.y == term.top) tscrolldown(term.top, 1); @@ -1443,6 +1654,9 @@ tputc(char *c) { tcursor(CURSOR_LOAD); term.esc = 0; break; + case '\\': /* ST -- Stop */ + term.esc = 0; + break; default: fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", (uchar) ascii, isprint(ascii)?ascii:'.'); @@ -1454,7 +1668,7 @@ tputc(char *c) { sel.bx = -1; switch(ascii) { case '\t': - tputtab(); + tputtab(1); break; case '\b': tmoveto(term.c.x-1, term.c.y); @@ -1520,6 +1734,7 @@ tresize(int col, int row) { term.line = realloc(term.line, row * sizeof(Line)); term.alt = realloc(term.alt, row * sizeof(Line)); term.dirty = realloc(term.dirty, row * sizeof(*term.dirty)); + term.tabs = realloc(term.tabs, col * sizeof(*term.tabs)); /* resize each row to new width, zero-pad if needed */ for(i = 0; i < minrow; i++) { @@ -1538,7 +1753,15 @@ tresize(int col, int row) { term.line[i] = calloc(col, sizeof(Glyph)); term.alt [i] = calloc(col, sizeof(Glyph)); } - + if (col > term.col) { + bool *bp = term.tabs + term.col; + + memset(bp, 0, sizeof(*term.tabs) * (col - term.col)); + while (--bp > term.tabs && !*bp) + /* nothing */ ; + for (bp += TAB; bp < term.tabs + col; bp += TAB) + *bp = 1; + } /* update terminal size */ term.col = col, term.row = row; /* make use of the LIMIT in tmoveto */ @@ -1551,32 +1774,8 @@ tresize(int col, int row) { void xresize(int col, int row) { - Pixmap newbuf; - int oldw, oldh; - - oldw = xw.bufw; - oldh = xw.bufh; - xw.bufw = MAX(1, col * xw.cw); - xw.bufh = MAX(1, row * xw.ch); - newbuf = XCreatePixmap(xw.dpy, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dpy, xw.scr)); - XCopyArea(xw.dpy, xw.buf, newbuf, dc.gc, 0, 0, xw.bufw, xw.bufh, 0, 0); - XFreePixmap(xw.dpy, xw.buf); - XSetForeground(xw.dpy, dc.gc, dc.col[DefaultBG]); - if(xw.bufw > oldw) - XFillRectangle(xw.dpy, newbuf, dc.gc, oldw, 0, - xw.bufw-oldw, MIN(xw.bufh, oldh)); - else if(xw.bufw < oldw && (BORDER > 0 || xw.w > xw.bufw)) - XClearArea(xw.dpy, xw.win, BORDER+xw.bufw, BORDER, - xw.w-xw.bufh-BORDER, BORDER+MIN(xw.bufh, oldh), - False); - if(xw.bufh > oldh) - XFillRectangle(xw.dpy, newbuf, dc.gc, 0, oldh, - xw.bufw, xw.bufh-oldh); - else if(xw.bufh < oldh && (BORDER > 0 || xw.h > xw.bufh)) - XClearArea(xw.dpy, xw.win, BORDER, BORDER+xw.bufh, - xw.w-2*BORDER, xw.h-xw.bufh-BORDER, - False); - xw.buf = newbuf; + xw.w = MAX(1, 2*BORDER + col * xw.cw); + xw.h = MAX(1, 2*BORDER + row * xw.ch); } void @@ -1625,8 +1824,8 @@ void xclear(int x1, int y1, int x2, int y2) { XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG]); XFillRectangle(xw.dpy, xw.buf, dc.gc, - x1 * xw.cw, y1 * xw.ch, - (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch); + BORDER + x1 * xw.cw, BORDER + y1 * xw.ch, + (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch); } void @@ -1711,10 +1910,8 @@ xinit(void) { xloadcols(); /* window - default size */ - xw.bufh = term.row * xw.ch; - xw.bufw = term.col * xw.cw; - xw.h = xw.bufh + 2*BORDER; - xw.w = xw.bufw + 2*BORDER; + xw.h = 2*BORDER + term.row * xw.ch; + xw.w = 2*BORDER + term.col * xw.cw; attrs.background_pixel = dc.col[DefaultBG]; attrs.border_pixel = dc.col[DefaultBG]; @@ -1732,7 +1929,7 @@ xinit(void) { CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask | CWColormap, &attrs); - xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dpy, xw.scr)); + xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied); /* input methods */ @@ -1761,7 +1958,7 @@ xinit(void) { void xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { int fg = base.fg, bg = base.bg, temp; - int winx = x*xw.cw, winy = y*xw.ch + dc.font.ascent, width = charlen*xw.cw; + int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch + dc.font.ascent, width = charlen*xw.cw; XFontSet fontset = dc.font.set; int i; @@ -1802,10 +1999,10 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { /* copy buffer pixmap to screen pixmap */ void -xcopy(int x, int y, int cols, int rows) { - int src_x = x*xw.cw, src_y = y*xw.ch, src_w = cols*xw.cw, src_h = rows*xw.ch; - int dst_x = BORDER+src_x, dst_y = BORDER+src_y; - XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, src_x, src_y, src_w, src_h, dst_x, dst_y); +xcopy() { + XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}}; + XdbeSwapBuffers(xw.dpy, swpinfo, 1); + } void @@ -1849,6 +2046,7 @@ xdrawcursor(void) { void draw() { drawregion(0, 0, term.col, term.row); + xcopy(); gettimeofday(&xw.lastdraw, NULL); } @@ -1890,7 +2088,6 @@ drawregion(int x1, int y1, int x2, int y2) { } if(ib > 0) xdraws(buf, base, ox, y, ic, ib); - xcopy(0, y, term.col, 1); } xdrawcursor(); } @@ -1899,13 +2096,10 @@ void expose(XEvent *ev) { XExposeEvent *e = &ev->xexpose; if(xw.state & WIN_REDRAW) { - if(!e->count) { + if(!e->count) xw.state &= ~WIN_REDRAW; - xcopy(0, 0, term.col, term.row); - } - } else - XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, e->x-BORDER, e->y-BORDER, - e->width, e->height, e->x, e->y); + } + xcopy(); } void