X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/babf4db52b58da74c9e1072d14cb0b9ef5b4dee7..6c0a1eff2fb2419b9bbfb545d0cf21a2e524efb2:/st.c?ds=sidebyside diff --git a/st.c b/st.c index 6a6ea75..741e680 100644 --- a/st.c +++ b/st.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -13,8 +14,10 @@ #include #include #include +#include #include #include +#include #include #include #include @@ -22,9 +25,6 @@ #include #include -#include -#include - #if defined(__linux) #include #elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) @@ -34,8 +34,12 @@ #endif #define USAGE \ - "st-" VERSION ", (c) 2010 st engineers\n" \ - "usage: st [-t title] [-c class] [-v] [-e cmd]\n" + "st " VERSION " (c) 2010-2012 st engineers\n" \ + "usage: st [-t title] [-c class] [-w windowid] [-v] [-e command...]\n" + +/* XEMBED messages */ +#define XEMBED_FOCUS_IN 4 +#define XEMBED_FOCUS_OUT 5 /* Arbitrary sizes */ #define ESC_TITLE_SIZ 256 @@ -43,6 +47,11 @@ #define ESC_ARG_SIZ 16 #define DRAW_BUF_SIZ 1024 #define UTF_SIZ 4 +#define XK_NO_MOD UINT_MAX +#define XK_ANY_MOD 0 + +#define SELECT_TIMEOUT (20*1000) /* 20 ms */ +#define DRAW_TIMEOUT (20*1000) /* 20 ms */ #define SERRNO strerror(errno) #define MIN(a, b) ((a) < (b) ? (a) : (b)) @@ -53,28 +62,79 @@ #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x) #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg) #define IS_SET(flag) (term.mode & (flag)) -#define TIMEDIFFERENCE(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000) - -/* 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 }; -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 }; +#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000) +#define X2COL(x) (((x) - BORDER)/xw.cw) +#define Y2ROW(y) (((y) - BORDER)/xw.ch) + +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_OSC = 4, + ESC_TITLE = 8, + ESC_ALTCHARSET = 16 +}; +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 }; +typedef unsigned char uchar; +typedef unsigned int uint; +typedef unsigned long ulong; +typedef unsigned short ushort; + typedef struct { char c[UTF_SIZ]; /* character code */ - char mode; /* attribute flags */ - int fg; /* foreground */ - int bg; /* background */ - char state; /* state flags */ + uchar mode; /* attribute flags */ + ushort fg; /* foreground */ + ushort bg; /* background */ + uchar state; /* state flags */ } Glyph; typedef Glyph* Line; @@ -103,6 +163,7 @@ typedef struct { int col; /* nb col */ Line* line; /* screen */ Line* alt; /* alternate screen */ + bool* dirty; /* dirtyness of lines */ TCursor c; /* cursor */ int top; /* top scroll limit */ int bot; /* bottom scroll limit */ @@ -118,6 +179,7 @@ typedef struct { Colormap cmap; Window win; Pixmap buf; + Atom xembed; XIM xim; XIC xic; int scr; @@ -128,26 +190,15 @@ typedef struct { int ch; /* char height */ int cw; /* char width */ char state; /* focus, redraw, visible */ + struct timeval lastdraw; } XWindow; typedef struct { KeySym k; - unsigned int mask; + uint mask; char s[ESC_BUF_SIZ]; } Key; -/* Drawing Context */ -typedef struct { - unsigned long col[256]; - GC gc; - struct { - int ascent; - int descent; - short lbearing; - short rbearing; - XFontSet set; - } font, bfont; -} DC; /* TODO: use better name for vars... */ typedef struct { @@ -163,12 +214,26 @@ typedef struct { #include "config.h" +/* Drawing Context */ +typedef struct { + ulong col[LEN(colorname) < 256 ? 256 : LEN(colorname)]; + GC gc; + struct { + int ascent; + int descent; + short lbearing; + short rbearing; + XFontSet set; + } font, bfont; +} DC; + static void die(const char*, ...); static void draw(void); static void drawregion(int, int, int, int); static void execsh(void); static void sigchld(int); static void run(void); +static bool last_draw_too_old(void); static void csidump(void); static void csihandle(void); @@ -194,6 +259,7 @@ static void tsetattr(int*, int); static void tsetchar(char*); static void tsetscroll(int, int); static void tswapscreen(void); +static void tfulldirt(void); static void ttynew(void); static void ttyread(void); @@ -203,6 +269,7 @@ 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 xdrawcursor(void); static void xinit(void); static void xloadcols(void); @@ -213,8 +280,9 @@ static void xresize(int, int); static void expose(XEvent *); static void visibility(XEvent *); static void unmap(XEvent *); -static char* kmap(KeySym, unsigned int state); +static char* kmap(KeySym, uint); static void kpress(XEvent *); +static void cmessage(XEvent *); static void resize(XEvent *); static void focus(XEvent *); static void brelease(XEvent *); @@ -224,9 +292,10 @@ static void selnotify(XEvent *); static void selrequest(XEvent *); static void selinit(void); -static inline int selected(int, int); +static inline bool selected(int, int); static void selcopy(void); static void selpaste(); +static void selscroll(int, int); static int utf8decode(char *, long *); static int utf8encode(long *, char *); @@ -235,6 +304,7 @@ static int isfullutf8(char *, int); static void (*handler[LASTEvent])(XEvent *) = { [KeyPress] = kpress, + [ClientMessage] = cmessage, [ConfigureNotify] = resize, [VisibilityNotify] = visibility, [UnmapNotify] = unmap, @@ -258,35 +328,36 @@ static pid_t pid; static Selection sel; static char **opt_cmd = NULL; static char *opt_title = NULL; +static char *opt_embed = NULL; static char *opt_class = NULL; int utf8decode(char *s, long *u) { - unsigned char c; + uchar c; int i, n, rtn; rtn = 1; c = *s; - if(~c&B7) { /* 0xxxxxxx */ + if(~c & B7) { /* 0xxxxxxx */ *u = c; return rtn; - } else if((c&(B7|B6|B5)) == (B7|B6)) { /* 110xxxxx */ + } else if((c & (B7|B6|B5)) == (B7|B6)) { /* 110xxxxx */ *u = c&(B4|B3|B2|B1|B0); n = 1; - } else if((c&(B7|B6|B5|B4)) == (B7|B6|B5)) { /* 1110xxxx */ + } else if((c & (B7|B6|B5|B4)) == (B7|B6|B5)) { /* 1110xxxx */ *u = c&(B3|B2|B1|B0); n = 2; - } else if((c&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */ - *u = c&(B2|B1|B0); + } else if((c & (B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */ + *u = c & (B2|B1|B0); n = 3; } else goto invalid; - for(i=n,++s; i>0; --i,++rtn,++s) { + for(i = n, ++s; i > 0; --i, ++rtn, ++s) { c = *s; - if((c&(B7|B6)) != B7) /* 10xxxxxx */ + if((c & (B7|B6)) != B7) /* 10xxxxxx */ goto invalid; *u <<= 6; - *u |= c&(B5|B4|B3|B2|B1|B0); + *u |= c & (B5|B4|B3|B2|B1|B0); } if((n == 1 && *u < 0x80) || (n == 2 && *u < 0x800) || @@ -301,11 +372,11 @@ invalid: int utf8encode(long *u, char *s) { - unsigned char *sp; - unsigned long uc; + uchar *sp; + ulong uc; int i, n; - sp = (unsigned char*) s; + sp = (uchar*) s; uc = *u; if(uc < 0x80) { *sp = uc; /* 0xxxxxxx */ @@ -337,11 +408,11 @@ invalid: UTF-8 otherwise return 0 */ int isfullutf8(char *s, int b) { - unsigned char *c1, *c2, *c3; + uchar *c1, *c2, *c3; - c1 = (unsigned char *) s; - c2 = (unsigned char *) ++s; - c3 = (unsigned char *) ++s; + c1 = (uchar *) s; + c2 = (uchar *) ++s; + c3 = (uchar *) ++s; if(b < 1) return 0; else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1) @@ -361,7 +432,7 @@ isfullutf8(char *s, int b) { int utf8size(char *s) { - unsigned char c = *s; + uchar c = *s; if(~c&B7) return 1; @@ -385,7 +456,7 @@ selinit(void) { sel.xtarget = XA_STRING; } -static inline int +static inline bool selected(int x, int y) { if(sel.ey == y && sel.by == y) { int bx = MIN(sel.bx, sel.ex); @@ -398,22 +469,63 @@ selected(int x, int y) { void getbuttoninfo(XEvent *e, int *b, int *x, int *y) { - if(b) + if(b) *b = e->xbutton.button; - *x = (e->xbutton.x - BORDER)/xw.cw; - *y = (e->xbutton.y - BORDER)/xw.ch; + *x = X2COL(e->xbutton.x); + *y = Y2ROW(e->xbutton.y); sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex; sel.b.y = MIN(sel.by, sel.ey); sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx; sel.e.y = MAX(sel.by, sel.ey); } +void +mousereport(XEvent *e) { + int x = X2COL(e->xbutton.x); + int y = Y2ROW(e->xbutton.y); + int button = e->xbutton.button; + int state = e->xbutton.state; + char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 }; + static int ob, ox, oy; + + /* from urxvt */ + if(e->xbutton.type == MotionNotify) { + if(!IS_SET(MODE_MOUSEMOTION) || (x == ox && y == oy)) + return; + button = ob + 32; + ox = x, oy = y; + } else if(e->xbutton.type == ButtonRelease || button == AnyButton) { + button = 3; + } else { + button -= Button1; + if(button >= 3) + button += 64 - 3; + if(e->xbutton.type == ButtonPress) { + ob = button; + ox = x, oy = y; + } + } + + buf[3] = 32 + button + (state & ShiftMask ? 4 : 0) + + (state & Mod4Mask ? 8 : 0) + + (state & ControlMask ? 16 : 0); + + ttywrite(buf, sizeof(buf)); +} + void bpress(XEvent *e) { - sel.mode = 1; - sel.ex = sel.bx = (e->xbutton.x - BORDER)/xw.cw; - sel.ey = sel.by = (e->xbutton.y - BORDER)/xw.ch; + if(IS_SET(MODE_MOUSE)) + 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; + sel.mode = 1; + sel.ex = sel.bx = X2COL(e->xbutton.x); + sel.ey = sel.by = Y2ROW(e->xbutton.y); + } } void @@ -443,10 +555,9 @@ selcopy(void) { void selnotify(XEvent *e) { - unsigned long nitems; - unsigned long ofs, rem; + ulong nitems, ofs, rem; int format; - unsigned char *data; + uchar *data; Atom type; ofs = 0; @@ -490,12 +601,12 @@ selrequest(XEvent *e) { Atom string = sel.xtarget; XChangeProperty(xsre->display, xsre->requestor, xsre->property, XA_ATOM, 32, PropModeReplace, - (unsigned char *) &string, 1); + (uchar *) &string, 1); xev.property = xsre->property; - } else if(xsre->target == sel.xtarget) { + } else if(xsre->target == sel.xtarget && sel.clip != NULL) { XChangeProperty(xsre->display, xsre->requestor, xsre->property, xsre->target, 8, PropModeReplace, - (unsigned char *) sel.clip, strlen(sel.clip)); + (uchar *) sel.clip, strlen(sel.clip)); xev.property = xsre->property; } @@ -522,39 +633,42 @@ xsetsel(char *str) { void brelease(XEvent *e) { - int b; - - sel.mode = 0; - getbuttoninfo(e, &b, &sel.ex, &sel.ey); - if(sel.bx == sel.ex && sel.by == sel.ey) { - sel.bx = -1; - if(b == 2) - selpaste(); - else if(b == 1) { + if(IS_SET(MODE_MOUSE)) { + mousereport(e); + return; + } + if(e->xbutton.button == Button2) + selpaste(); + else if(e->xbutton.button == Button1) { + sel.mode = 0; + getbuttoninfo(e, NULL, &sel.ex, &sel.ey); + term.dirty[sel.ey] = 1; + if(sel.bx == sel.ex && sel.by == sel.ey) { struct timeval now; + sel.bx = -1; gettimeofday(&now, NULL); - if(TIMEDIFFERENCE(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) { + if(TIMEDIFF(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) { /* triple click on the line */ sel.b.x = sel.bx = 0; sel.e.x = sel.ex = term.col; sel.b.y = sel.e.y = sel.ey; selcopy(); - } else if(TIMEDIFFERENCE(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) { + } else if(TIMEDIFF(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) { /* double click to select word */ sel.bx = sel.ex; - while(term.line[sel.ey][sel.bx-1].state & GLYPH_SET && + while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET && term.line[sel.ey][sel.bx-1].c[0] != ' ') sel.bx--; sel.b.x = sel.bx; - while(term.line[sel.ey][sel.ex+1].state & GLYPH_SET && + while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET && term.line[sel.ey][sel.ex+1].c[0] != ' ') sel.ex++; sel.e.x = sel.ex; sel.b.y = sel.e.y = sel.ey; selcopy(); } - } - } else if(b == 1) - selcopy(); + } else + selcopy(); + } memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval)); gettimeofday(&sel.tclick1, NULL); draw(); @@ -562,15 +676,20 @@ brelease(XEvent *e) { void bmotion(XEvent *e) { + if(IS_SET(MODE_MOUSE)) { + mousereport(e); + return; + } if(sel.mode) { - int oldey = sel.ey, - oldex = sel.ex; + int oldey = sel.ey, oldex = sel.ex; getbuttoninfo(e, NULL, &sel.ex, &sel.ey); if(oldey != sel.ey || oldex != sel.ex) { int starty = MIN(oldey, sel.ey); int endy = MAX(oldey, sel.ey); - drawregion(0, (starty > 0 ? starty : 0), term.col, (sel.ey < term.row ? endy+1 : term.row)); + for(int i = starty; i <= endy; i++) + term.dirty[i] = 1; + draw(); } } } @@ -590,14 +709,14 @@ 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); exit(EXIT_FAILURE); } -void +void sigchld(int a) { int stat = 0; if(waitpid(pid, &stat, 0) < 0) @@ -650,7 +769,7 @@ dump(char c) { void ttyread(void) { static char buf[BUFSIZ]; - static int buflen = 0; + static int buflen = 0; char *ptr; char s[UTF_SIZ]; int charsize; /* size of utf8 char in bytes */ @@ -693,6 +812,14 @@ ttyresize(int x, int y) { fprintf(stderr, "Couldn't set window size: %s\n", SERRNO); } +void +tfulldirt(void) +{ + int i; + for(i = 0; i < term.row; i++) + term.dirty[i] = 1; +} + void tcursor(int mode) { static TCursor c; @@ -706,8 +833,8 @@ tcursor(int mode) { void treset(void) { term.c = (TCursor){{ - .mode = ATTR_NULL, - .fg = DefaultFG, + .mode = ATTR_NULL, + .fg = DefaultFG, .bg = DefaultBG }, .x = 0, .y = 0, .state = CURSOR_DEFAULT}; @@ -722,9 +849,12 @@ tnew(int col, int row) { term.row = row, term.col = col; term.line = malloc(term.row * sizeof(Line)); term.alt = malloc(term.row * sizeof(Line)); - for(row = 0 ; row < term.row; row++) { + term.dirty = malloc(term.row * sizeof(*term.dirty)); + + 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; } /* setup screen */ treset(); @@ -736,6 +866,7 @@ tswapscreen(void) { term.line = term.alt; term.alt = tmp; term.mode ^= MODE_ALTSCREEN; + tfulldirt(); } void @@ -751,7 +882,12 @@ tscrolldown(int orig, int n) { temp = term.line[i]; term.line[i] = term.line[i-n]; term.line[i-n] = temp; + + term.dirty[i] = 1; + term.dirty[i-n] = 1; } + + selscroll(orig, n); } void @@ -762,10 +898,38 @@ tscrollup(int orig, int n) { tclearregion(0, orig, term.col-1, orig+n-1); - for(i = orig; i <= term.bot-n; i++) { + for(i = orig; i <= term.bot-n; i++) { temp = term.line[i]; - term.line[i] = term.line[i+n]; + term.line[i] = term.line[i+n]; term.line[i+n] = temp; + + term.dirty[i] = 1; + term.dirty[i+n] = 1; + } + + selscroll(orig, -n); +} + +void +selscroll(int orig, int n) { + if(sel.bx == -1) + return; + + if(BETWEEN(sel.by, orig, term.bot) || BETWEEN(sel.ey, orig, term.bot)) { + if((sel.by += n) > term.bot || (sel.ey += n) < term.top) { + sel.bx = -1; + return; + } + if(sel.by < term.top) { + sel.by = term.top; + sel.bx = 0; + } + if(sel.ey > term.bot) { + sel.ey = term.bot; + sel.ex = term.col; + } + sel.b.y = sel.by, sel.b.x = sel.bx; + sel.e.y = sel.ey, sel.e.x = sel.ex; } } @@ -814,6 +978,7 @@ tmoveto(int x, int y) { void tsetchar(char *c) { + term.dirty[term.c.y] = 1; term.line[term.c.y][term.c.x] = term.c.attr; memcpy(term.line[term.c.y][term.c.x].c, c, UTF_SIZ); term.line[term.c.y][term.c.x].state |= GLYPH_SET; @@ -833,9 +998,11 @@ tclearregion(int x1, int y1, int x2, int y2) { LIMIT(y1, 0, term.row-1); LIMIT(y2, 0, term.row-1); - for(y = y1; y <= y2; y++) + for(y = y1; y <= y2; y++) { + term.dirty[y] = 1; for(x = x1; x <= x2; x++) term.line[y][x].state = 0; + } } void @@ -843,6 +1010,8 @@ tdeletechar(int n) { int src = term.c.x + n; int dst = term.c.x; int size = term.col - src; + + term.dirty[term.c.y] = 1; if(src >= term.col) { tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); @@ -858,6 +1027,8 @@ tinsertblank(int n) { int dst = src + n; int size = term.col - dst; + term.dirty[term.c.y] = 1; + if(dst >= term.col) { tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); return; @@ -894,22 +1065,22 @@ tsetattr(int *attr, int l) { term.c.attr.bg = DefaultBG; break; case 1: - term.c.attr.mode |= ATTR_BOLD; + term.c.attr.mode |= ATTR_BOLD; break; - case 4: + case 4: term.c.attr.mode |= ATTR_UNDERLINE; break; - case 7: - term.c.attr.mode |= ATTR_REVERSE; + case 7: + term.c.attr.mode |= ATTR_REVERSE; break; - case 22: - term.c.attr.mode &= ~ATTR_BOLD; + case 22: + term.c.attr.mode &= ~ATTR_BOLD; break; - case 24: + case 24: term.c.attr.mode &= ~ATTR_UNDERLINE; break; - case 27: - term.c.attr.mode &= ~ATTR_REVERSE; + case 27: + term.c.attr.mode &= ~ATTR_REVERSE; break; case 38: if(i + 2 < l && attr[i + 1] == 5) { @@ -920,7 +1091,7 @@ tsetattr(int *attr, int l) { fprintf(stderr, "erresc: bad fgcolor %d\n", attr[i]); } else - fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]); + fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]); break; case 39: term.c.attr.fg = DefaultFG; @@ -934,7 +1105,7 @@ tsetattr(int *attr, int l) { fprintf(stderr, "erresc: bad bgcolor %d\n", attr[i]); } else - fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]); + fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]); break; case 49: term.c.attr.bg = DefaultBG; @@ -948,7 +1119,7 @@ tsetattr(int *attr, int l) { term.c.attr.fg = attr[i] - 90 + 8; else if(BETWEEN(attr[i], 100, 107)) term.c.attr.fg = attr[i] - 100 + 8; - else + else fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]), csidump(); break; @@ -968,7 +1139,7 @@ tsetscroll(int t, int b) { b = temp; } term.top = t; - term.bot = b; + term.bot = b; } void @@ -1023,6 +1194,7 @@ csihandle(void) { break; /* XXX: (CSI n I) CHT -- Cursor Forward Tabulation tab stops */ case 'J': /* ED -- Clear screen */ + sel.bx = -1; switch(escseq.arg[0]) { case 0: /* below */ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); @@ -1072,7 +1244,11 @@ csihandle(void) { case 1: term.mode &= ~MODE_APPKEYPAD; break; - case 5: /* TODO: DECSCNM -- Remove reverse video */ + case 5: /* DECSCNM -- Remove reverse video */ + if(IS_SET(MODE_REVERSE)) { + term.mode &= ~MODE_REVERSE; + draw(); + } break; case 7: term.mode &= ~MODE_WRAP; @@ -1085,13 +1261,20 @@ csihandle(void) { case 25: term.c.state |= CURSOR_HIDE; break; + case 1000: /* disable X11 xterm mouse reporting */ + term.mode &= ~MODE_MOUSEBTN; + break; + case 1002: + term.mode &= ~MODE_MOUSEMOTION; + break; case 1049: /* = 1047 and 1048 */ + case 47: case 1047: if(IS_SET(MODE_ALTSCREEN)) { tclearregion(0, 0, term.col-1, term.row-1); tswapscreen(); } - if(escseq.arg[0] == 1047) + if(escseq.arg[0] != 1049) break; case 1048: tcursor(CURSOR_LOAD); @@ -1133,7 +1316,10 @@ csihandle(void) { term.mode |= MODE_APPKEYPAD; break; case 5: /* DECSCNM -- Reverve video */ - /* TODO: set REVERSE on the whole screen (f) */ + if(!IS_SET(MODE_REVERSE)) { + term.mode |= MODE_REVERSE; + draw(); + } break; case 7: term.mode |= MODE_WRAP; @@ -1148,13 +1334,20 @@ csihandle(void) { case 25: term.c.state &= ~CURSOR_HIDE; break; + case 1000: /* 1000,1002: enable xterm mouse report */ + term.mode |= MODE_MOUSEBTN; + break; + case 1002: + term.mode |= MODE_MOUSEMOTION; + break; case 1049: /* = 1047 and 1048 */ + case 47: case 1047: if(IS_SET(MODE_ALTSCREEN)) tclearregion(0, 0, term.col-1, term.row-1); else tswapscreen(); - if(escseq.arg[0] == 1047) + if(escseq.arg[0] != 1049) break; case 1048: tcursor(CURSOR_SAVE); @@ -1193,14 +1386,17 @@ csihandle(void) { } void -csidump(void) { +csidump(void) { int i; - printf("ESC [ %s", escseq.priv ? "? " : ""); - if(escseq.narg) - for(i = 0; i < escseq.narg; i++) - printf("%d ", escseq.arg[i]); - if(escseq.mode) - putchar(escseq.mode); + printf("ESC["); + for(i = 0; i < escseq.len; i++) { + uint c = escseq.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'); } @@ -1226,7 +1422,7 @@ tputc(char *c) { csiparse(), csihandle(); } /* TODO: handle other OSC */ - } else if(term.esc & ESC_OSC) { + } else if(term.esc & ESC_OSC) { if(ascii == ';') { term.titlelen = 0; term.esc = ESC_START | ESC_TITLE; @@ -1302,11 +1498,13 @@ tputc(char *c) { break; default: fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", - (unsigned char) ascii, isprint(ascii)?ascii:'.'); + (uchar) ascii, isprint(ascii)?ascii:'.'); term.esc = 0; } } } else { + if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey)) + sel.bx = -1; switch(ascii) { case '\t': tputtab(); @@ -1374,9 +1572,11 @@ tresize(int col, int row) { /* resize to new height */ 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)); /* resize each row to new width, zero-pad if needed */ for(i = 0; i < minrow; i++) { + term.dirty[i] = 1; term.line[i] = realloc(term.line[i], col * sizeof(Glyph)); term.alt[i] = realloc(term.alt[i], col * sizeof(Glyph)); for(x = mincol; x < col; x++) { @@ -1387,6 +1587,7 @@ tresize(int col, int row) { /* allocate any new rows */ for(/* i == minrow */; i < row; i++) { + term.dirty[i] = 1; term.line[i] = calloc(col, sizeof(Glyph)); term.alt [i] = calloc(col, sizeof(Glyph)); } @@ -1397,6 +1598,7 @@ tresize(int col, int row) { tmoveto(term.c.x, term.c.y); /* reset scrolling region */ tsetscroll(0, row-1); + return (slide > 0); } @@ -1434,18 +1636,21 @@ void xloadcols(void) { int i, r, g, b; XColor color; - unsigned long white = WhitePixel(xw.dpy, xw.scr); + ulong white = WhitePixel(xw.dpy, xw.scr); - for(i = 0; i < 16; i++) { + /* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */ + for(i = 0; i < LEN(colorname); i++) { + if(!colorname[i]) + continue; if(!XAllocNamedColor(xw.dpy, xw.cmap, colorname[i], &color, &color)) { dc.col[i] = white; fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]); } else dc.col[i] = color.pixel; } - - /* same colors as xterm */ - for(r = 0; r < 6; r++) + + /* load colors [16-255] ; same colors as xterm */ + for(i = 16, r = 0; r < 6; r++) for(g = 0; g < 6; g++) for(b = 0; b < 6; b++) { color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r; @@ -1471,7 +1676,7 @@ xloadcols(void) { void xclear(int x1, int y1, int x2, int y2) { - XSetForeground(xw.dpy, dc.gc, dc.col[DefaultBG]); + 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); @@ -1541,6 +1746,7 @@ void xinit(void) { XSetWindowAttributes attrs; Cursor cursor; + Window parent; if(!(xw.dpy = XOpenDisplay(NULL))) die("Can't open display\n"); @@ -1550,7 +1756,7 @@ xinit(void) { initfonts(FONT, BOLDFONT); /* XXX: Assuming same size for bold font */ - xw.cw = dc.font.rbearing - dc.font.lbearing; + xw.cw = dc.font.rbearing - dc.font.lbearing; xw.ch = dc.font.ascent + dc.font.descent; /* colors */ @@ -1558,8 +1764,8 @@ xinit(void) { xloadcols(); /* window - default size */ - xw.bufh = 24 * xw.ch; - xw.bufw = 80 * xw.cw; + xw.bufh = term.row * xw.ch; + xw.bufw = term.col * xw.cw; xw.h = xw.bufh + 2*BORDER; xw.w = xw.bufw + 2*BORDER; @@ -1568,10 +1774,12 @@ xinit(void) { attrs.bit_gravity = NorthWestGravity; attrs.event_mask = FocusChangeMask | KeyPressMask | ExposureMask | VisibilityChangeMask | StructureNotifyMask - | PointerMotionMask | ButtonPressMask | ButtonReleaseMask; + | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask + | EnterWindowMask | LeaveWindowMask; attrs.colormap = xw.cmap; - xw.win = XCreateWindow(xw.dpy, XRootWindow(xw.dpy, xw.scr), 0, 0, + parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr); + xw.win = XCreateWindow(xw.dpy, parent, 0, 0, xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, XDefaultVisual(xw.dpy, xw.scr), CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask @@ -1582,8 +1790,8 @@ xinit(void) { /* input methods */ xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL); - xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing - | XIMStatusNothing, XNClientWindow, xw.win, + xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing + | XIMStatusNothing, XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL); /* gc */ dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL); @@ -1591,33 +1799,47 @@ xinit(void) { /* white cursor, black outline */ cursor = XCreateFontCursor(xw.dpy, XC_xterm); XDefineCursor(xw.dpy, xw.win, cursor); - XRecolorCursor(xw.dpy, cursor, + XRecolorCursor(xw.dpy, cursor, &(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff}, &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000}); + xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False); + + XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st"); XMapWindow(xw.dpy, xw.win); xhints(); - XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st"); XSync(xw.dpy, 0); } void xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { - unsigned long xfg, xbg; + int fg = base.fg, bg = base.bg, temp; int winx = x*xw.cw, winy = y*xw.ch + dc.font.ascent, width = charlen*xw.cw; + XFontSet fontset = dc.font.set; int i; + + /* only switch default fg/bg if term is in RV mode */ + if(IS_SET(MODE_REVERSE)) { + if(fg == DefaultFG) + fg = DefaultBG; + if(bg == DefaultBG) + bg = DefaultFG; + } if(base.mode & ATTR_REVERSE) - xfg = dc.col[base.bg], xbg = dc.col[base.fg]; - else - xfg = dc.col[base.fg], xbg = dc.col[base.bg]; + temp = fg, fg = bg, bg = temp; + + if(base.mode & ATTR_BOLD) { + fg += 8; + fontset = dc.bfont.set; + } - XSetBackground(xw.dpy, dc.gc, xbg); - XSetForeground(xw.dpy, dc.gc, xfg); + XSetBackground(xw.dpy, dc.gc, dc.col[bg]); + XSetForeground(xw.dpy, dc.gc, dc.col[fg]); if(base.mode & ATTR_GFX) { for(i = 0; i < bytelen; i++) { - char c = gfx[(unsigned int)s[i] % 256]; + char c = gfx[(uint)s[i] % 256]; if(c) s[i] = c; else if(s[i] > 0x5f) @@ -1625,13 +1847,20 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { } } - XmbDrawImageString(xw.dpy, xw.buf, base.mode & ATTR_BOLD ? dc.bfont.set : dc.font.set, - dc.gc, winx, winy, s, bytelen); + XmbDrawImageString(xw.dpy, xw.buf, fontset, dc.gc, winx, winy, s, bytelen); if(base.mode & ATTR_UNDERLINE) XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1); } +/* 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); +} + void xdrawcursor(void) { static int oldx = 0; @@ -1651,18 +1880,29 @@ xdrawcursor(void) { xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1, sl); } else xclear(oldx, oldy, oldx, oldy); - + + xcopy(oldx, oldy, 1, 1); + /* draw the new one */ - if(!(term.c.state & CURSOR_HIDE) && (xw.state & WIN_FOCUSED)) { + if(!(term.c.state & CURSOR_HIDE)) { + if(!(xw.state & WIN_FOCUSED)) + g.bg = DefaultUCS; + + if(IS_SET(MODE_REVERSE)) + g.mode |= ATTR_REVERSE, g.fg = DefaultCS, g.bg = DefaultFG; + sl = utf8size(g.c); xdraws(g.c, g, term.c.x, term.c.y, 1, sl); oldx = term.c.x, oldy = term.c.y; } + + xcopy(term.c.x, term.c.y, 1, 1); } -void +void draw() { drawregion(0, 0, term.col, term.row); + gettimeofday(&xw.lastdraw, NULL); } void @@ -1674,8 +1914,11 @@ drawregion(int x1, int y1, int x2, int y2) { if(!(xw.state & WIN_VISIBLE)) return; - xclear(x1, y1, x2-1, y2-1); for(y = y1; y < y2; y++) { + if(!term.dirty[y]) + continue; + xclear(0, y, term.col, y); + term.dirty[y] = 0; base = term.line[y][0]; ic = ib = ox = 0; for(x = x1; x < x2; x++) { @@ -1683,7 +1926,7 @@ drawregion(int x1, int y1, int x2, int y2) { if(sel.bx != -1 && *(new.c) && selected(x, y)) new.mode ^= ATTR_REVERSE; if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) || - ib >= DRAW_BUF_SIZ-UTF_SIZ)) { + ib >= DRAW_BUF_SIZ-UTF_SIZ)) { xdraws(buf, base, ox, y, ic, ib); ic = ib = 0; } @@ -1700,9 +1943,9 @@ 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(); - XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER); } void @@ -1711,7 +1954,7 @@ expose(XEvent *ev) { if(xw.state & WIN_REDRAW) { if(!e->count) { xw.state &= ~WIN_REDRAW; - draw(); + xcopy(0, 0, term.col, term.row); } } else XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, e->x-BORDER, e->y-BORDER, @@ -1752,11 +1995,14 @@ focus(XEvent *ev) { } char* -kmap(KeySym k, unsigned int state) { +kmap(KeySym k, uint state) { int i; - for(i = 0; i < LEN(key); i++) - if(key[i].k == k && (key[i].mask == 0 || key[i].mask & state)) + state &= ~Mod2Mask; + for(i = 0; i < LEN(key); i++) { + uint mask = key[i].mask; + if(key[i].k == k && ((state & mask) == mask || (mask == XK_NO_MOD && !state))) return (char*)key[i].s; + } return NULL; } @@ -1810,6 +2056,21 @@ kpress(XEvent *ev) { } } +void +cmessage(XEvent *e) { + /* See xembed specs + http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */ + if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) { + if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) { + xw.state |= WIN_FOCUSED; + xseturgency(0); + } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { + xw.state &= ~WIN_FOCUSED; + } + draw(); + } +} + void resize(XEvent *e) { int col, row; @@ -1829,25 +2090,42 @@ resize(XEvent *e) { xresize(col, row); } +bool +last_draw_too_old(void) { + struct timeval now; + gettimeofday(&now, NULL); + return TIMEDIFF(now, xw.lastdraw) >= DRAW_TIMEOUT/1000; +} + void run(void) { XEvent ev; fd_set rfd; int xfd = XConnectionNumber(xw.dpy); - + struct timeval timeout = {0}; + bool stuff_to_print = 0; + for(;;) { FD_ZERO(&rfd); FD_SET(cmdfd, &rfd); FD_SET(xfd, &rfd); - if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, NULL) < 0) { + timeout.tv_sec = 0; + timeout.tv_usec = SELECT_TIMEOUT; + if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, &timeout) < 0) { if(errno == EINTR) continue; die("select failed: %s\n", SERRNO); } if(FD_ISSET(cmdfd, &rfd)) { ttyread(); - draw(); + stuff_to_print = 1; } + + if(stuff_to_print && last_draw_too_old()) { + stuff_to_print = 0; + draw(); + } + while(XPending(xw.dpy)) { XNextEvent(xw.dpy, &ev); if(XFilterEvent(&ev, xw.win)) @@ -1870,17 +2148,20 @@ main(int argc, char *argv[]) { case 'c': if(++i < argc) opt_class = argv[i]; break; + case 'w': + if(++i < argc) opt_embed = argv[i]; + break; case 'e': + /* eat every remaining arguments */ if(++i < argc) opt_cmd = &argv[i]; - break; + goto run; case 'v': default: die(USAGE); } - /* -e eats every remaining arguments */ - if(opt_cmd) - break; } + + run: setlocale(LC_CTYPE, ""); tnew(80, 24); ttynew();