X-Git-Url: https://jasonwoof.com/gitweb/?p=st.git;a=blobdiff_plain;f=st.c;h=01ffa21c697e8da324a51b67d7c98ea3022e65f4;hp=4f17752144b9f6e14a9290ef9279f6aae2b8e7d0;hb=7d352f143655ace75dd4e40432199f18f296da5e;hpb=ce27e634910e10c470b2dcb2edcd20f05d25343b diff --git a/st.c b/st.c index 4f17752..01ffa21 100644 --- a/st.c +++ b/st.c @@ -16,38 +16,46 @@ #include #include #include -#include #include -#include +#include #include +#include +#include + +#include +#include #if defined(__linux) #include -#elif defined(__OpenBSD__) || defined(__NetBSD__) +#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) #include #elif defined(__FreeBSD__) || defined(__DragonFly__) #include #endif #define USAGE \ - "st-" VERSION ", (c) 2010 st engineers\n" \ - "usage: st [-t title] [-e cmd] [-v]\n" + "st-" VERSION ", (c) 2010-2011 st engineers\n" \ + "usage: st [-t title] [-c class] [-v] [-e command...]\n" /* Arbitrary sizes */ #define ESC_TITLE_SIZ 256 #define ESC_BUF_SIZ 256 #define ESC_ARG_SIZ 16 #define DRAW_BUF_SIZ 1024 +#define UTF_SIZ 4 #define SERRNO strerror(errno) #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define MAX(a, b) ((a) < (b) ? (b) : (a)) #define LEN(a) (sizeof(a) / sizeof(a[0])) -#define DEFAULT(a, b) (a) = (a) ? (a) : (b) +#define DEFAULT(a, b) (a) = (a) ? (a) : (b) #define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b)) #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 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) /* 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 }; @@ -55,13 +63,16 @@ 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, MODE_MOUSE=32 }; 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 }; +#undef B0 +enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 }; + typedef struct { - char c; /* character code */ + char c[UTF_SIZ]; /* character code */ char mode; /* attribute flags */ int fg; /* foreground */ int bg; /* background */ @@ -81,21 +92,21 @@ 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; /* Internal representation of the screen */ typedef struct { - int row; /* nb row */ + int row; /* nb row */ int col; /* nb col */ Line* line; /* screen */ Line* alt; /* alternate screen */ TCursor c; /* cursor */ - int top; /* top scroll limit */ + int top; /* top scroll limit */ int bot; /* bottom scroll limit */ int mode; /* terminal mode flags */ int esc; /* escape state flags */ @@ -105,33 +116,39 @@ typedef struct { /* Purely graphic info */ typedef struct { - Display* dis; + Display* dpy; Colormap cmap; Window win; Pixmap buf; XIM xim; XIC xic; int scr; - int w; /* window width */ + 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 */ -} XWindow; +} XWindow; typedef struct { KeySym k; + unsigned int mask; char s[ESC_BUF_SIZ]; } Key; /* Drawing Context */ typedef struct { unsigned long col[256]; - XFontStruct* font; - XFontStruct* bfont; GC gc; + struct { + int ascent; + int descent; + short lbearing; + short rbearing; + XFontSet set; + } font, bfont; } DC; /* TODO: use better name for vars... */ @@ -139,14 +156,18 @@ typedef struct { int mode; int bx, by; int ex, ey; - struct {int x, y;} b, e; + struct {int x, y;} b, e; char *clip; + Atom xtarget; + struct timeval tclick1; + struct timeval tclick2; } Selection; #include "config.h" -static void die(const char *errstr, ...); -static void draw(int); +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); @@ -164,16 +185,15 @@ 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); +static void tputc(char*); static void treset(void); -static void tresize(int, int); +static int tresize(int, int); static void tscrollup(int, int); static void tscrolldown(int, int); static void tsetattr(int*, int); -static void tsetchar(char); +static void tsetchar(char*); static void tsetscroll(int, int); static void tswapscreen(void); @@ -182,26 +202,38 @@ static void ttyread(void); static void ttyresize(int, int); static void ttywrite(const char *, size_t); -static void xdraws(char *, Glyph, int, int, int); +static void xdraws(char *, Glyph, int, int, int, int); static void xhints(void); static void xclear(int, int, int, int); static void xdrawcursor(void); static void xinit(void); static void xloadcols(void); static void xseturgency(int); +static void xsetsel(char*); +static void xresize(int, int); static void expose(XEvent *); static void visibility(XEvent *); static void unmap(XEvent *); -static char* kmap(KeySym); +static char* kmap(KeySym, unsigned int state); static void kpress(XEvent *); static void resize(XEvent *); static void focus(XEvent *); static void brelease(XEvent *); static void bpress(XEvent *); static void bmotion(XEvent *); -static void selection_notify(XEvent *); -static void selection_request(XEvent *); +static void selnotify(XEvent *); +static void selrequest(XEvent *); + +static void selinit(void); +static inline int selected(int, int); +static void selcopy(void); +static void selpaste(); + +static int utf8decode(char *, long *); +static int utf8encode(long *, char *); +static int utf8size(char *); +static int isfullutf8(char *, int); static void (*handler[LASTEvent])(XEvent *) = { [KeyPress] = kpress, @@ -214,8 +246,8 @@ static void (*handler[LASTEvent])(XEvent *) = { [MotionNotify] = bmotion, [ButtonPress] = bpress, [ButtonRelease] = brelease, - [SelectionNotify] = selection_notify, - [SelectionRequest] = selection_request, + [SelectionNotify] = selnotify, + [SelectionRequest] = selrequest, }; /* Globals */ @@ -226,104 +258,251 @@ static CSIEscape escseq; static int cmdfd; static pid_t pid; static Selection sel; -static char *opt_cmd = NULL; +static char **opt_cmd = NULL; static char *opt_title = NULL; +static char *opt_class = NULL; + +int +utf8decode(char *s, long *u) { + unsigned char c; + int i, n, rtn; + + rtn = 1; + c = *s; + if(~c&B7) { /* 0xxxxxxx */ + *u = c; + return rtn; + } 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 */ + *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); + n = 3; + } else + goto invalid; + for(i=n,++s; i>0; --i,++rtn,++s) { + c = *s; + if((c&(B7|B6)) != B7) /* 10xxxxxx */ + goto invalid; + *u <<= 6; + *u |= c&(B5|B4|B3|B2|B1|B0); + } + if((n == 1 && *u < 0x80) || + (n == 2 && *u < 0x800) || + (n == 3 && *u < 0x10000) || + (*u >= 0xD800 && *u <= 0xDFFF)) + goto invalid; + return rtn; +invalid: + *u = 0xFFFD; + return rtn; +} + +int +utf8encode(long *u, char *s) { + unsigned char *sp; + unsigned long uc; + int i, n; + + sp = (unsigned char*) s; + uc = *u; + if(uc < 0x80) { + *sp = uc; /* 0xxxxxxx */ + return 1; + } else if(*u < 0x800) { + *sp = (uc >> 6) | (B7|B6); /* 110xxxxx */ + n = 1; + } else if(uc < 0x10000) { + *sp = (uc >> 12) | (B7|B6|B5); /* 1110xxxx */ + n = 2; + } else if(uc <= 0x10FFFF) { + *sp = (uc >> 18) | (B7|B6|B5|B4); /* 11110xxx */ + n = 3; + } else { + goto invalid; + } + for(i=n,++sp; i>0; --i,++sp) + *sp = ((uc >> 6*(i-1)) & (B5|B4|B3|B2|B1|B0)) | B7; /* 10xxxxxx */ + return n+1; +invalid: + /* U+FFFD */ + *s++ = '\xEF'; + *s++ = '\xBF'; + *s = '\xBD'; + return 3; +} + +/* use this if your buffer is less than UTF_SIZ, it returns 1 if you can decode + UTF-8 otherwise return 0 */ +int +isfullutf8(char *s, int b) { + unsigned char *c1, *c2, *c3; + + c1 = (unsigned char *) s; + c2 = (unsigned char *) ++s; + c3 = (unsigned char *) ++s; + if(b < 1) + return 0; + else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1) + return 0; + else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) && + ((b == 1) || + ((b == 2) && (*c2&(B7|B6)) == B7))) + return 0; + else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) && + ((b == 1) || + ((b == 2) && (*c2&(B7|B6)) == B7) || + ((b == 3) && (*c2&(B7|B6)) == B7 && (*c3&(B7|B6)) == B7))) + return 0; + else + return 1; +} + +int +utf8size(char *s) { + unsigned char c = *s; + + if(~c&B7) + return 1; + else if((c&(B7|B6|B5)) == (B7|B6)) + return 2; + else if((c&(B7|B6|B5|B4)) == (B7|B6|B5)) + return 3; + else + return 4; +} void selinit(void) { + sel.tclick1.tv_sec = 0; + sel.tclick1.tv_usec = 0; sel.mode = 0; sel.bx = -1; sel.clip = NULL; + sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); + if(sel.xtarget == None) + sel.xtarget = XA_STRING; } -static inline int selected(int x, int y) { +static inline int +selected(int x, int y) { if(sel.ey == y && sel.by == y) { int bx = MIN(sel.bx, sel.ex); int ex = MAX(sel.bx, sel.ex); return BETWEEN(x, bx, ex); } - return ((sel.b.y < y&&y < sel.e.y) || (y==sel.e.y && x<=sel.e.x)) + return ((sel.b.y < y&&y < sel.e.y) || (y==sel.e.y && x<=sel.e.x)) || (y==sel.b.y && x>=sel.b.x && (x<=sel.e.x || sel.b.y!=sel.e.y)); } -static void getbuttoninfo(XEvent *e, int *b, int *x, int *y) { - if(b) +void +getbuttoninfo(XEvent *e, int *b, int *x, int *y) { + if(b) *b = e->xbutton.button; - *x = e->xbutton.x/xw.cw; - *y = e->xbutton.y/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); } -static void bpress(XEvent *e) { +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 }; + + if(!IS_SET(MODE_MOUSE)) + return; + + /* from urxvt */ + if(e->xbutton.type == ButtonRelease || button == AnyButton) + button = 3; + else { + button -= Button1; + if(button >= 3) + button += 64 - 3; + } + + buf[3] = 32 + button + (state & ShiftMask ? 4 : 0) + + (state & Mod4Mask ? 8 : 0) + + (state & ControlMask ? 16 : 0); + + ttywrite(buf, sizeof(buf)); +} + +void +bpress(XEvent *e) { + mousereport(e); sel.mode = 1; - sel.ex = sel.bx = e->xbutton.x/xw.cw; - sel.ey = sel.by = e->xbutton.y/xw.ch; + sel.ex = sel.bx = X2COL(e->xbutton.x); + sel.ey = sel.by = Y2ROW(e->xbutton.y); } -static char *getseltext() { +void +selcopy(void) { char *str, *ptr; - int ls, x, y, sz; + int x, y, sz, sl, ls = 0; + if(sel.bx == -1) - return NULL; - sz = (term.col+1) * (sel.e.y-sel.b.y+1); - ptr = str = malloc(sz); - 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))) - *ptr = term.line[y][x].c, ptr++; - if(ls) - *ptr = '\n', ptr++; + str = NULL; + else { + sz = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ; + ptr = str = malloc(sz); + 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; + } + if(ls && y < sel.e.y) + *ptr++ = '\n'; + } + *ptr = 0; } - *ptr = 0; - return str; + xsetsel(str); } -static void selection_notify(XEvent *e) { +void +selnotify(XEvent *e) { unsigned long nitems; - unsigned long length; - int format, res; + unsigned long ofs, rem; + int format; unsigned char *data; Atom type; - res = XGetWindowProperty(xw.dis, xw.win, XA_PRIMARY, 0, 0, False, - AnyPropertyType, &type, &format, &nitems, &length, &data); - switch(res) { - case BadAtom: - case BadValue: - case BadWindow: - fprintf(stderr, "Invalid paste, XGetWindowProperty0"); + ofs = 0; + do { + if(XGetWindowProperty(xw.dpy, xw.win, XA_PRIMARY, ofs, BUFSIZ/4, + False, AnyPropertyType, &type, &format, + &nitems, &rem, &data)) { + fprintf(stderr, "Clipboard allocation failed\n"); return; - } - - res = XGetWindowProperty(xw.dis, xw.win, XA_PRIMARY, 0, length, False, - AnyPropertyType, &type, &format, &nitems, &length, &data); - switch(res) { - case BadAtom: - case BadValue: - case BadWindow: - fprintf(stderr, "Invalid paste, XGetWindowProperty0"); - return; - } - - if(data) { + } ttywrite((const char *) data, nitems * format / 8); XFree(data); - } + /* number of 32-bit chunks returned */ + ofs += nitems * format / 32; + } while(rem > 0); } -static void selpaste() { - XConvertSelection(xw.dis, XA_PRIMARY, XA_STRING, XA_PRIMARY, xw.win, CurrentTime); +void +selpaste() { + XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY, xw.win, CurrentTime); } -static void selection_request(XEvent *e) -{ +void +selrequest(XEvent *e) { XSelectionRequestEvent *xsre; XSelectionEvent xev; - int res; Atom xa_targets; xsre = (XSelectionRequestEvent *) e; @@ -335,120 +514,97 @@ static void selection_request(XEvent *e) /* reject */ xev.property = None; - xa_targets = XInternAtom(xw.dis, "TARGETS", 0); + xa_targets = XInternAtom(xw.dpy, "TARGETS", 0); if(xsre->target == xa_targets) { /* respond with the supported type */ - Atom string = XA_STRING; - res = XChangeProperty(xsre->display, xsre->requestor, xsre->property, XA_ATOM, 32, - PropModeReplace, (unsigned char *) &string, 1); - switch(res) { - case BadAlloc: - case BadAtom: - case BadMatch: - case BadValue: - case BadWindow: - fprintf(stderr, "Error in selection_request, TARGETS"); - break; - default: - xev.property = xsre->property; - } - } else if(xsre->target == XA_STRING) { - res = XChangeProperty(xsre->display, xsre->requestor, xsre->property, - xsre->target, 8, PropModeReplace, (unsigned char *) sel.clip, - strlen(sel.clip)); - switch(res) { - case BadAlloc: - case BadAtom: - case BadMatch: - case BadValue: - case BadWindow: - fprintf(stderr, "Error in selection_request, XA_STRING"); - break; - default: - xev.property = xsre->property; - } + Atom string = sel.xtarget; + XChangeProperty(xsre->display, xsre->requestor, xsre->property, + XA_ATOM, 32, PropModeReplace, + (unsigned char *) &string, 1); + xev.property = xsre->property; + } else if(xsre->target == sel.xtarget) { + XChangeProperty(xsre->display, xsre->requestor, xsre->property, + xsre->target, 8, PropModeReplace, + (unsigned char *) sel.clip, strlen(sel.clip)); + xev.property = xsre->property; } /* all done, send a notification to the listener */ - res = XSendEvent(xsre->display, xsre->requestor, True, 0, (XEvent *) &xev); - switch(res) { - case 0: - case BadValue: - case BadWindow: - fprintf(stderr, "Error in selection_requested, XSendEvent"); - } + if(!XSendEvent(xsre->display, xsre->requestor, True, 0, (XEvent *) &xev)) + fprintf(stderr, "Error sending SelectionNotify event\n"); } -static void selcopy(char *str) { +void +xsetsel(char *str) { /* register the selection for both the clipboard and the primary */ Atom clipboard; - int res; free(sel.clip); sel.clip = str; - res = XSetSelectionOwner(xw.dis, XA_PRIMARY, xw.win, CurrentTime); - switch(res) { - case BadAtom: - case BadWindow: - fprintf(stderr, "Invalid copy, XSetSelectionOwner"); - return; - } + XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, CurrentTime); - clipboard = XInternAtom(xw.dis, "CLIPBOARD", 0); - res = XSetSelectionOwner(xw.dis, clipboard, xw.win, CurrentTime); - switch(res) { - case BadAtom: - case BadWindow: - fprintf(stderr, "Invalid copy, XSetSelectionOwner"); - return; - } + clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); + XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); - XFlush(xw.dis); + XFlush(xw.dpy); } -/* TODO: doubleclick to select word */ -static void brelease(XEvent *e) { +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) { + mousereport(e); + if(sel.bx == sel.ex && sel.by == sel.ey) { sel.bx = -1; - if(b==2) + if(b == 2) selpaste(); - } else { - if(b==1) - selcopy(getseltext()); - } - draw(1); + else if(b == 1) { + struct timeval now; + gettimeofday(&now, NULL); + + 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(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 && + 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 && + 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(); + memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval)); + gettimeofday(&sel.tclick1, NULL); + draw(); } -static void bmotion(XEvent *e) { - if (sel.mode) { +void +bmotion(XEvent *e) { + if(sel.mode) { + int oldey = sel.ey, + oldex = sel.ex; getbuttoninfo(e, NULL, &sel.ex, &sel.ey); - draw(1); - } -} -#ifdef DEBUG -void -tdump(void) { - int row, col; - Glyph c; - - for(row = 0; row < term.row; row++) { - for(col = 0; col < term.col; col++) { - if(col == term.c.x && row == term.c.y) - putchar('#'); - else { - c = term.line[row][col]; - putchar(c.state & GLYPH_SET ? c.c : '.'); - } + 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)); } - putchar('\n'); } } -#endif void die(const char *errstr, ...) { @@ -462,16 +618,17 @@ die(const char *errstr, ...) { void execsh(void) { - char *args[] = {getenv("SHELL"), "-i", NULL}; - if(opt_cmd) - args[0] = opt_cmd, args[1] = NULL; - else - DEFAULT(args[0], SHELL); + char **args; + char *envshell = getenv("SHELL"); + + DEFAULT(envshell, "sh"); 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) @@ -523,13 +680,31 @@ dump(char c) { void ttyread(void) { - char buf[BUFSIZ]; + static char buf[BUFSIZ]; + static int buflen = 0; + char *ptr; + char s[UTF_SIZ]; + int charsize; /* size of utf8 char in bytes */ + long utf8c; int ret; - if((ret = read(cmdfd, buf, LEN(buf))) < 0) + /* append read bytes to unprocessed bytes */ + if((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0) die("Couldn't read from shell: %s\n", SERRNO); - else - tputs(buf, ret); + + /* process every complete utf8 char */ + buflen += ret; + ptr = buf; + while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) { + charsize = utf8decode(ptr, &utf8c); + utf8encode(&utf8c, s); + tputc(s); + ptr += charsize; + buflen -= charsize; + } + + /* keep any uncomplete utf8 char for the next call */ + memmove(buf, ptr, buflen); } void @@ -562,8 +737,8 @@ 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}; @@ -618,22 +793,21 @@ 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; } } 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 @@ -670,9 +844,9 @@ tmoveto(int x, int y) { } void -tsetchar(char c) { +tsetchar(char *c) { term.line[term.c.y][term.c.x] = term.c.attr; - term.line[term.c.y][term.c.x].c = c; + memcpy(term.line[term.c.y][term.c.x].c, c, UTF_SIZ); term.line[term.c.y][term.c.x].state |= GLYPH_SET; } @@ -751,47 +925,47 @@ 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) { + if(i + 2 < l && attr[i + 1] == 5) { i += 2; - if (BETWEEN(attr[i], 0, 255)) + if(BETWEEN(attr[i], 0, 255)) term.c.attr.fg = attr[i]; else 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; break; case 48: - if (i + 2 < l && attr[i + 1] == 5) { + if(i + 2 < l && attr[i + 1] == 5) { i += 2; - if (BETWEEN(attr[i], 0, 255)) + if(BETWEEN(attr[i], 0, 255)) term.c.attr.bg = attr[i]; else 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; @@ -805,7 +979,7 @@ 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; @@ -825,7 +999,7 @@ tsetscroll(int t, int b) { b = temp; } term.top = t; - term.bot = b; + term.bot = b; } void @@ -833,7 +1007,7 @@ csihandle(void) { switch(escseq.mode) { default: unknown: - printf("erresc: unknown csi "); + fprintf(stderr, "erresc: unknown csi "); csidump(); /* die(""); */ break; @@ -882,10 +1056,14 @@ csihandle(void) { case 'J': /* ED -- Clear screen */ switch(escseq.arg[0]) { case 0: /* below */ - tclearregion(term.c.x, term.c.y, term.col-1, term.row-1); + tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); + if(term.c.y < term.row-1) + tclearregion(0, term.c.y+1, term.col-1, term.row-1); break; case 1: /* above */ - tclearregion(0, 0, term.c.x, term.c.y); + if(term.c.y > 1) + tclearregion(0, 0, term.col-1, term.c.y-1); + tclearregion(0, term.c.y, term.c.x, term.c.y); break; case 2: /* all */ tclearregion(0, 0, term.col-1, term.row-1); @@ -932,9 +1110,15 @@ 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; + case 1000: /* disable X11 xterm mouse reporting */ + term.mode &= ~MODE_MOUSE; + break; case 1049: /* = 1047 and 1048 */ case 1047: if(IS_SET(MODE_ALTSCREEN)) { @@ -988,6 +1172,9 @@ 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) @@ -995,6 +1182,9 @@ csihandle(void) { case 25: term.c.state &= ~CURSOR_HIDE; break; + case 1000: /* enable X11 xterm mouse reporting */ + term.mode |= MODE_MOUSE; + break; case 1049: /* = 1047 and 1048 */ case 1047: if(IS_SET(MODE_ALTSCREEN)) @@ -1040,7 +1230,7 @@ csihandle(void) { } void -csidump(void) { +csidump(void) { int i; printf("ESC [ %s", escseq.priv ? "? " : ""); if(escseq.narg) @@ -1063,30 +1253,31 @@ tputtab(void) { } void -tputc(char c) { +tputc(char *c) { + char ascii = *c; if(term.esc & ESC_START) { if(term.esc & ESC_CSI) { - escseq.buf[escseq.len++] = c; - if(BETWEEN(c, 0x40, 0x7E) || escseq.len >= ESC_BUF_SIZ) { + escseq.buf[escseq.len++] = ascii; + if(BETWEEN(ascii, 0x40, 0x7E) || escseq.len >= ESC_BUF_SIZ) { term.esc = 0; csiparse(), csihandle(); } /* TODO: handle other OSC */ - } else if(term.esc & ESC_OSC) { - if(c == ';') { + } else if(term.esc & ESC_OSC) { + if(ascii == ';') { term.titlelen = 0; term.esc = ESC_START | ESC_TITLE; } } else if(term.esc & ESC_TITLE) { - if(c == '\a' || term.titlelen+1 >= ESC_TITLE_SIZ) { + if(ascii == '\a' || term.titlelen+1 >= ESC_TITLE_SIZ) { term.esc = 0; term.title[term.titlelen] = '\0'; - XStoreName(xw.dis, xw.win, term.title); + XStoreName(xw.dpy, xw.win, term.title); } else { - term.title[term.titlelen++] = c; + term.title[term.titlelen++] = ascii; } } else if(term.esc & ESC_ALTCHARSET) { - switch(c) { + switch(ascii) { case '0': /* Line drawing crap */ term.c.attr.mode |= ATTR_GFX; break; @@ -1094,11 +1285,11 @@ tputc(char c) { term.c.attr.mode &= ~ATTR_GFX; break; default: - printf("esc unhandled charset: ESC ( %c\n", c); + fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii); } term.esc = 0; } else { - switch(c) { + switch(ascii) { case '[': term.esc |= ESC_CSI; break; @@ -1116,7 +1307,7 @@ 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 */ @@ -1147,12 +1338,13 @@ tputc(char c) { term.esc = 0; break; default: - fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", c, isprint(c)?c:'.'); + fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", + (unsigned char) ascii, isprint(ascii)?ascii:'.'); term.esc = 0; } } } else { - switch(c) { + switch(ascii) { case '\t': tputtab(); break; @@ -1162,8 +1354,11 @@ tputc(char c) { case '\r': tmoveto(0, term.c.y); break; + case '\f': + case '\v': 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)) @@ -1175,24 +1370,17 @@ 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); else term.c.state |= CURSOR_WRAPNEXT; - break; } } } -void -tputs(char *s, int len) { - for(; len > 0; len--) - tputc(*s++); -} - -void +int tresize(int col, int row) { int i, x; int minrow = MIN(row, term.row); @@ -1200,7 +1388,7 @@ tresize(int col, int row) { int slide = term.c.y - row + 1; if(col < 1 || row < 1) - return; + return 0; /* free unneeded rows */ i = 0; @@ -1246,16 +1434,47 @@ tresize(int col, int row) { tmoveto(term.c.x, term.c.y); /* reset scrolling region */ tsetscroll(0, row-1); + return (slide > 0); +} + +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; } void xloadcols(void) { int i, r, g, b; XColor color; - unsigned long white = WhitePixel(xw.dis, xw.scr); + unsigned long white = WhitePixel(xw.dpy, xw.scr); for(i = 0; i < 16; i++) { - if (!XAllocNamedColor(xw.dis, xw.cmap, colorname[i], &color, &color)) { + 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 @@ -1269,7 +1488,7 @@ xloadcols(void) { color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r; color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g; color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b; - if (!XAllocColor(xw.dis, xw.cmap, &color)) { + if(!XAllocColor(xw.dpy, xw.cmap, &color)) { dc.col[i] = white; fprintf(stderr, "Could not allocate color %d\n", i); } else @@ -1279,7 +1498,7 @@ xloadcols(void) { for(r = 0; r < 24; r++, i++) { color.red = color.green = color.blue = 0x0808 + 0x0a0a * r; - if (!XAllocColor(xw.dis, xw.cmap, &color)) { + if (!XAllocColor(xw.dpy, xw.cmap, &color)) { dc.col[i] = white; fprintf(stderr, "Could not allocate color %d\n", i); } else @@ -1289,16 +1508,15 @@ xloadcols(void) { void xclear(int x1, int y1, int x2, int y2) { - XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]); - XFillRectangle(xw.dis, xw.buf, dc.gc, + XSetForeground(xw.dpy, dc.gc, dc.col[DefaultBG]); + XFillRectangle(xw.dpy, xw.buf, dc.gc, x1 * xw.cw, y1 * xw.ch, (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch); } void -xhints(void) -{ - XClassHint class = {TNAME, TNAME}; +xhints(void) { + XClassHint class = {opt_class ? opt_class : TNAME, TNAME}; XWMHints wm = {.flags = InputHint, .input = 1}; XSizeHints size = { .flags = PSize | PResizeInc | PBaseSize, @@ -1309,27 +1527,71 @@ xhints(void) .base_height = 2*BORDER, .base_width = 2*BORDER, }; - XSetWMProperties(xw.dis, xw.win, NULL, NULL, NULL, 0, &size, &wm, &class); + XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, &size, &wm, &class); +} + +XFontSet +xinitfont(char *fontstr) { + XFontSet set; + char *def, **missing; + int n; + + missing = NULL; + set = XCreateFontSet(xw.dpy, fontstr, &missing, &n, &def); + if(missing) { + while(n--) + fprintf(stderr, "st: missing fontset: %s\n", missing[n]); + XFreeStringList(missing); + } + return set; +} + +void +xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rbearing) { + XFontStruct **xfonts; + char **font_names; + int i, n; + + *ascent = *descent = *lbearing = *rbearing = 0; + n = XFontsOfFontSet(set, &xfonts, &font_names); + for(i = 0; i < n; i++) { + *ascent = MAX(*ascent, (*xfonts)->ascent); + *descent = MAX(*descent, (*xfonts)->descent); + *lbearing = MAX(*lbearing, (*xfonts)->min_bounds.lbearing); + *rbearing = MAX(*rbearing, (*xfonts)->max_bounds.rbearing); + xfonts++; + } +} + +void +initfonts(char *fontstr, char *bfontstr) { + if((dc.font.set = xinitfont(fontstr)) == NULL || + (dc.bfont.set = xinitfont(bfontstr)) == NULL) + die("Can't load font %s\n", dc.font.set ? BOLDFONT : FONT); + xgetfontinfo(dc.font.set, &dc.font.ascent, &dc.font.descent, + &dc.font.lbearing, &dc.font.rbearing); + xgetfontinfo(dc.bfont.set, &dc.bfont.ascent, &dc.bfont.descent, + &dc.bfont.lbearing, &dc.bfont.rbearing); } void xinit(void) { XSetWindowAttributes attrs; + Cursor cursor; - if(!(xw.dis = XOpenDisplay(NULL))) + if(!(xw.dpy = XOpenDisplay(NULL))) die("Can't open display\n"); - xw.scr = XDefaultScreen(xw.dis); + xw.scr = XDefaultScreen(xw.dpy); /* font */ - if(!(dc.font = XLoadQueryFont(xw.dis, FONT)) || !(dc.bfont = XLoadQueryFont(xw.dis, BOLDFONT))) - die("Can't load font %s\n", dc.font ? BOLDFONT : FONT); + initfonts(FONT, BOLDFONT); /* XXX: Assuming same size for bold font */ - xw.cw = dc.font->max_bounds.rbearing - dc.font->min_bounds.lbearing; - xw.ch = dc.font->ascent + dc.font->descent; + xw.cw = dc.font.rbearing - dc.font.lbearing; + xw.ch = dc.font.ascent + dc.font.descent; /* colors */ - xw.cmap = XDefaultColormap(xw.dis, xw.scr); + xw.cmap = XDefaultColormap(xw.dpy, xw.scr); xloadcols(); /* window - default size */ @@ -1346,33 +1608,40 @@ xinit(void) { | PointerMotionMask | ButtonPressMask | ButtonReleaseMask; attrs.colormap = xw.cmap; - xw.win = XCreateWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0, - xw.w, xw.h, 0, XDefaultDepth(xw.dis, xw.scr), InputOutput, - XDefaultVisual(xw.dis, xw.scr), + xw.win = XCreateWindow(xw.dpy, XRootWindow(xw.dpy, xw.scr), 0, 0, + xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, + XDefaultVisual(xw.dpy, xw.scr), CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask | CWColormap, &attrs); - xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr)); + xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dpy, xw.scr)); /* input methods */ - xw.xim = XOpenIM(xw.dis, NULL, NULL, NULL); - xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing - | XIMStatusNothing, XNClientWindow, xw.win, + xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL); + xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing + | XIMStatusNothing, XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL); /* gc */ - dc.gc = XCreateGC(xw.dis, xw.win, 0, NULL); + dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL); - XMapWindow(xw.dis, xw.win); + /* white cursor, black outline */ + cursor = XCreateFontCursor(xw.dpy, XC_xterm); + XDefineCursor(xw.dpy, xw.win, cursor); + XRecolorCursor(xw.dpy, cursor, + &(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff}, + &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000}); + + XMapWindow(xw.dpy, xw.win); xhints(); - XStoreName(xw.dis, xw.win, opt_title ? opt_title : "st"); - XSync(xw.dis, 0); + 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 len) { +xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { unsigned long xfg, xbg; - int winx = x*xw.cw, winy = y*xw.ch + dc.font->ascent, width = len*xw.cw; + int winx = x*xw.cw, winy = y*xw.ch + dc.font.ascent, width = charlen*xw.cw; int i; if(base.mode & ATTR_REVERSE) @@ -1380,127 +1649,109 @@ xdraws(char *s, Glyph base, int x, int y, int len) { else xfg = dc.col[base.fg], xbg = dc.col[base.bg]; - XSetBackground(xw.dis, dc.gc, xbg); - XSetForeground(xw.dis, dc.gc, xfg); - - if(base.mode & ATTR_GFX) - for(i = 0; i < len; i++) { + XSetBackground(xw.dpy, dc.gc, xbg); + XSetForeground(xw.dpy, dc.gc, xfg); + + if(base.mode & ATTR_GFX) { + for(i = 0; i < bytelen; i++) { char c = gfx[(unsigned int)s[i] % 256]; if(c) s[i] = c; else if(s[i] > 0x5f) s[i] -= 0x5f; } + } - XSetFont(xw.dis, dc.gc, base.mode & ATTR_BOLD ? dc.bfont->fid : dc.font->fid); - XDrawImageString(xw.dis, xw.buf, dc.gc, winx, winy, s, len); + XmbDrawImageString(xw.dpy, xw.buf, base.mode & ATTR_BOLD ? dc.bfont.set : dc.font.set, + dc.gc, winx, winy, s, bytelen); if(base.mode & ATTR_UNDERLINE) - XDrawLine(xw.dis, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1); + XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1); } void xdrawcursor(void) { static int oldx = 0; static int oldy = 0; - Glyph g = {' ', ATTR_NULL, DefaultBG, DefaultCS, 0}; + int sl; + Glyph g = {{' '}, ATTR_NULL, DefaultBG, DefaultCS, 0}; LIMIT(oldx, 0, term.col-1); LIMIT(oldy, 0, term.row-1); if(term.line[term.c.y][term.c.x].state & GLYPH_SET) - g.c = term.line[term.c.y][term.c.x].c; - + memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ); + /* remove the old cursor */ - if(term.line[oldy][oldx].state & GLYPH_SET) - xdraws(&term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1); - else + if(term.line[oldy][oldx].state & GLYPH_SET) { + sl = utf8size(term.line[oldy][oldx].c); + xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1, sl); + } else xclear(oldx, oldy, oldx, oldy); /* draw the new one */ if(!(term.c.state & CURSOR_HIDE) && (xw.state & WIN_FOCUSED)) { - xdraws(&g.c, g, term.c.x, term.c.y, 1); + sl = utf8size(g.c); + xdraws(g.c, g, term.c.x, term.c.y, 1, sl); oldx = term.c.x, oldy = term.c.y; } } -#ifdef DEBUG -/* basic drawing routines */ void -xdrawc(int x, int y, Glyph g) { - XRectangle r = { x * xw.cw, y * xw.ch, xw.cw, xw.ch }; - XSetBackground(xw.dis, dc.gc, dc.col[g.bg]); - XSetForeground(xw.dis, dc.gc, dc.col[g.fg]); - XSetFont(xw.dis, dc.gc, g.mode & ATTR_BOLD ? dc.bfont->fid : dc.font->fid); - XDrawImageString(xw.dis, xw.buf, dc.gc, r.x, r.y+dc.font->ascent, &g.c, 1); +draw() { + drawregion(0, 0, term.col, term.row); } void -draw(int dummy) { - int x, y; - - xclear(0, 0, term.col-1, term.row-1); - for(y = 0; y < term.row; y++) - for(x = 0; x < term.col; x++) - if(term.line[y][x].state & GLYPH_SET) - xdrawc(x, y, term.line[y][x]); - - xdrawcursor(); - XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER); - XFlush(xw.dis); -} - -#else -/* optimized drawing routine */ -void -draw(int redraw_all) { - int i, x, y, ox; +drawregion(int x1, int y1, int x2, int y2) { + int ic, ib, x, y, ox, sl; Glyph base, new; char buf[DRAW_BUF_SIZ]; if(!(xw.state & WIN_VISIBLE)) return; - xclear(0, 0, term.col-1, term.row-1); - for(y = 0; y < term.row; y++) { + xclear(x1, y1, x2-1, y2-1); + for(y = y1; y < y2; y++) { base = term.line[y][0]; - i = ox = 0; - for(x = 0; x < term.col; x++) { + ic = ib = ox = 0; + for(x = x1; x < x2; x++) { new = term.line[y][x]; - if(sel.bx!=-1 && new.c && selected(x, y)) + if(sel.bx != -1 && *(new.c) && selected(x, y)) new.mode ^= ATTR_REVERSE; - if(i > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) || - i >= DRAW_BUF_SIZ)) { - xdraws(buf, base, ox, y, i); - i = 0; + if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) || + ib >= DRAW_BUF_SIZ-UTF_SIZ)) { + xdraws(buf, base, ox, y, ic, ib); + ic = ib = 0; } if(new.state & GLYPH_SET) { - if(i == 0) { + if(ib == 0) { ox = x; base = new; } - buf[i++] = new.c; + sl = utf8size(new.c); + memcpy(buf+ib, new.c, sl); + ib += sl; + ++ic; } } - if(i > 0) - xdraws(buf, base, ox, y, i); + if(ib > 0) + xdraws(buf, base, ox, y, ic, ib); } xdrawcursor(); - XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER); + XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER); } -#endif - void expose(XEvent *ev) { XExposeEvent *e = &ev->xexpose; if(xw.state & WIN_REDRAW) { if(!e->count) { xw.state &= ~WIN_REDRAW; - draw(SCREEN_REDRAW); + draw(); } } else - XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, e->x-BORDER, e->y-BORDER, + XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, e->x-BORDER, e->y-BORDER, e->width, e->height, e->x, e->y); } @@ -1521,9 +1772,9 @@ unmap(XEvent *ev) { void xseturgency(int add) { - XWMHints *h = XGetWMHints(xw.dis, xw.win); + XWMHints *h = XGetWMHints(xw.dpy, xw.win); h->flags = add ? (h->flags | XUrgencyHint) : (h->flags & ~XUrgencyHint); - XSetWMHints(xw.dis, xw.win, h); + XSetWMHints(xw.dpy, xw.win, h); XFree(h); } @@ -1534,14 +1785,14 @@ focus(XEvent *ev) { xseturgency(0); } else xw.state &= ~WIN_FOCUSED; - draw(SCREEN_UPDATE); + draw(); } char* -kmap(KeySym k) { +kmap(KeySym k, unsigned int state) { int i; for(i = 0; i < LEN(key); i++) - if(key[i].k == k) + if(key[i].k == k && (key[i].mask == 0 || key[i].mask & state)) return (char*)key[i].s; return NULL; } @@ -1560,29 +1811,38 @@ kpress(XEvent *ev) { meta = e->state & Mod1Mask; shift = e->state & ShiftMask; len = XmbLookupString(xw.xic, e, buf, sizeof(buf), &ksym, &status); - - if((customkey = kmap(ksym))) + + /* 1. custom keys from config.h */ + if((customkey = kmap(ksym, e->state))) 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: case XK_Left: case XK_Right: - sprintf(buf, "\033%c%c", IS_SET(MODE_APPKEYPAD) ? 'O' : '[', "DACB"[ksym - XK_Left]); + /* XXX: shift up/down doesn't work */ + sprintf(buf, "\033%c%c", IS_SET(MODE_APPKEYPAD) ? 'O' : '[', (shift ? "dacb":"DACB")[ksym - XK_Left]); ttywrite(buf, 3); break; case XK_Insert: 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) { + if(meta && len == 1) + ttywrite("\033", 1); + ttywrite(buf, len); + } break; } } @@ -1596,23 +1856,21 @@ resize(XEvent *e) { xw.w = e->xconfigure.width; xw.h = e->xconfigure.height; - xw.bufw = xw.w - 2*BORDER; - xw.bufh = xw.h - 2*BORDER; - col = xw.bufw / xw.cw; - row = xw.bufh / xw.ch; - tresize(col, row); + col = (xw.w - 2*BORDER) / xw.cw; + row = (xw.h - 2*BORDER) / xw.ch; + if(col == term.col && row == term.row) + return; + if(tresize(col, row)) + draw(); ttyresize(col, row); - xw.bufh = MAX(1, xw.bufh); - xw.bufw = MAX(1, xw.bufw); - XFreePixmap(xw.dis, xw.buf); - xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr)); + xresize(col, row); } void run(void) { XEvent ev; fd_set rfd; - int xfd = XConnectionNumber(xw.dis); + int xfd = XConnectionNumber(xw.dpy); for(;;) { FD_ZERO(&rfd); @@ -1625,11 +1883,11 @@ run(void) { } if(FD_ISSET(cmdfd, &rfd)) { ttyread(); - draw(SCREEN_UPDATE); + draw(); } - while(XPending(xw.dis)) { - XNextEvent(xw.dis, &ev); - if (XFilterEvent(&ev, xw.win)) + while(XPending(xw.dpy)) { + XNextEvent(xw.dpy, &ev); + if(XFilterEvent(&ev, xw.win)) continue; if(handler[ev.type]) (handler[ev.type])(&ev); @@ -1646,14 +1904,20 @@ main(int argc, char *argv[]) { case 't': if(++i < argc) opt_title = argv[i]; break; - case 'e': - if(++i < argc) opt_cmd = argv[i]; + case 'c': + if(++i < argc) opt_class = argv[i]; break; + case 'e': + /* eat every remaining arguments */ + if(++i < argc) opt_cmd = &argv[i]; + goto run; case 'v': default: die(USAGE); } } + + run: setlocale(LC_CTYPE, ""); tnew(80, 24); ttynew();