X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=deb161055009db9f6fd2dccb94b535fa648d9ecf;hb=b3b7ffce5f1cb1d82aa26df976f0316d89d15d7f;hp=a84f0e02f75349f971248bc09ff312f58e714652;hpb=0981437524b64579cc656f60b0108abdcdf8a0cd;p=st.git diff --git a/st.c b/st.c old mode 100644 new mode 100755 index a84f0e0..deb1610 --- a/st.c +++ b/st.c @@ -23,10 +23,10 @@ #define TNAME "xterm" /* Arbitrary sizes */ -#define TITLESIZ 256 -#define ESCSIZ 256 -#define ESCARGSIZ 16 -#define MAXDRAWBUF 1024 +#define ESC_TITLE_SIZ 256 +#define ESC_BUF_SIZ 256 +#define ESC_ARG_SIZ 16 +#define DRAW_BUF_SIZ 1024 #define SERRNO strerror(errno) #define MIN(a, b) ((a) < (b) ? (a) : (b)) @@ -38,28 +38,25 @@ #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg) /* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */ -enum { ATnone=0 , ATreverse=1 , ATunderline=2, ATbold=4 }; -enum { CSup, CSdown, CSright, CSleft, CShide, CSdraw, CSwrap, CSsave, CSload }; -enum { CRset=1, CRupdate=2 }; -enum { TMwrap=1, TMinsert=2, TMtitle=4 }; -enum { ESCin = 1, ESCcsi = 2, ESCosc = 4, ESCtitle = 8 }; -enum { SCupdate, SCredraw }; - -typedef int Color; +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_HIDE, CURSOR_DRAW, CURSOR_SAVE, CURSOR_LOAD }; +enum { GLYPH_SET=1, GLYPH_DIRTY=2 }; +enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4 }; +enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 }; +enum { SCREEN_UPDATE, SCREEN_REDRAW }; typedef struct { char c; /* character code */ char mode; /* attribute flags */ - Color fg; /* foreground */ - Color bg; /* background */ - char state; /* state flag */ + int fg; /* foreground */ + int bg; /* background */ + char state; /* state flags */ } Glyph; typedef Glyph* Line; typedef struct { Glyph attr; /* current char attributes */ - char hidden; int x; int y; } TCursor; @@ -67,11 +64,11 @@ typedef struct { /* CSI Escape sequence structs */ /* ESC '[' [[ [] [;]] ] */ typedef struct { - char buf[ESCSIZ]; /* raw string */ - int len; /* raw string length */ + char buf[ESC_BUF_SIZ]; /* raw string */ + int len; /* raw string length */ char priv; - int arg[ESCARGSIZ]; - int narg; /* nb of args */ + int arg[ESC_ARG_SIZ]; + int narg; /* nb of args */ char mode; } CSIEscape; @@ -81,11 +78,12 @@ typedef struct { int col; /* nb col */ Line* line; /* screen */ TCursor c; /* cursor */ + char hidec; int top; /* top scroll limit */ int bot; /* bottom scroll limit */ - int mode; /* terminal mode */ - int esc; - char title[TITLESIZ]; + int mode; /* terminal mode flags */ + int esc; /* escape state flags */ + char title[ESC_TITLE_SIZ]; int titlelen; } Term; @@ -93,6 +91,7 @@ typedef struct { typedef struct { Display* dis; Window win; + Pixmap buf; int scr; int w; /* window width */ int h; /* window height */ @@ -102,7 +101,7 @@ typedef struct { typedef struct { KeySym k; - char s[ESCSIZ]; + char s[ESC_BUF_SIZ]; } Key; #include "config.h" @@ -111,6 +110,7 @@ typedef struct { typedef struct { unsigned long col[LEN(colorname)]; XFontStruct* font; + XFontStruct* bfont; GC gc; } DC; @@ -126,8 +126,8 @@ static void csiparse(void); static void csireset(void); static void tclearregion(int, int, int, int); -static void tcpos(int); static void tcursor(int); +static void tmovecursor(int); static void tdeletechar(int); static void tdeleteline(int); static void tinsertblank(int); @@ -137,8 +137,11 @@ static void tnew(int, int); static void tnewline(void); static void tputc(char); static void tputs(char*, int); +static void treset(void); static void tresize(int, int); static void tscroll(void); +static void tscrollup(int); +static void tscrolldown(int); static void tsetattr(int*, int); static void tsetchar(char); static void tsetscroll(int, int); @@ -151,12 +154,10 @@ static void ttywrite(const char *, size_t); static unsigned long xgetcol(const char *); static void xclear(int, int, int, int); static void xcursor(int); -static void xdrawc(int, int, Glyph); static void xinit(void); -static void xscroll(void); static void expose(XEvent *); -static char * kmap(KeySym); +static char* kmap(KeySym); static void kpress(XEvent *); static void resize(XEvent *); @@ -187,7 +188,7 @@ tdump(void) { putchar('#'); else { c = term.line[row][col]; - putchar(c.state & CRset ? c.c : '.'); + putchar(c.state & GLYPH_SET ? c.c : '.'); } } putchar('\n'); @@ -214,11 +215,11 @@ execsh(void) { void xbell(void) { /* visual bell */ - XRectangle r = { 0, 0, xw.w, xw.h }; + XRectangle r = { BORDER, BORDER, xw.w, xw.h }; XSetForeground(xw.dis, dc.gc, dc.col[BellCol]); XFillRectangles(xw.dis, xw.win, dc.gc, &r, 1); /* usleep(30000); */ - draw(SCredraw); + draw(SCREEN_REDRAW); } void @@ -281,13 +282,10 @@ ttyread(void) { char buf[BUFSIZ] = {0}; int ret; - switch(ret = read(cmdfd, buf, BUFSIZ)) { - case -1: + if((ret = read(cmdfd, buf, BUFSIZ)) < 0) die("Couldn't read from shell: %s\n", SERRNO); - break; - default: + else tputs(buf, ret); - } } void @@ -308,14 +306,25 @@ ttyresize(int x, int y) { } void -tcpos(int mode) { - static int x = 0; - static int y = 0; - - if(mode == CSsave) - x = term.c.x, y = term.c.y; - else if(mode == CSload) - tmoveto(x, y); +tcursor(int mode) { + static TCursor c; + + if(mode == CURSOR_SAVE) + c = term.c; + else if(mode == CURSOR_LOAD) + term.c = c, tmoveto(c.x, c.y); +} + +void +treset(void) { + term.c.attr.mode = ATTR_NULL; + term.c.attr.fg = DefaultFG; + term.c.attr.bg = DefaultBG; + term.c.x = term.c.y = 0; + term.hidec = 0; + term.top = 0, term.bot = term.row - 1; + term.mode = MODE_WRAP; + tclearregion(0, 0, term.col-1, term.row-1); } void @@ -323,25 +332,25 @@ tnew(int col, int row) { /* screen size */ term.row = row, term.col = col; term.top = 0, term.bot = term.row - 1; /* mode */ - term.mode = TMwrap; + term.mode = MODE_WRAP; /* cursor */ - term.c.attr.mode = ATnone; + term.c.attr.mode = ATTR_NULL; term.c.attr.fg = DefaultFG; term.c.attr.bg = DefaultBG; term.c.x = term.c.y = 0; - term.c.hidden = 0; + term.hidec = 0; /* allocate screen */ term.line = calloc(term.row, sizeof(Line)); for(row = 0 ; row < term.row; row++) term.line[row] = calloc(term.col, sizeof(Glyph)); } +/* TODO: Replace with scrollup/scolldown */ void tscroll(void) { Line temp = term.line[term.top]; int i; - /* X stuff _before_ the line swapping (results in wrong line index) */ - xscroll(); + for(i = term.top; i < term.bot; i++) term.line[i] = term.line[i+1]; memset(temp, 0, sizeof(Glyph) * term.col); @@ -349,6 +358,39 @@ tscroll(void) { } void +tscrolldown (int n) { + int i; + Line temp; + + LIMIT(n, 0, term.bot-term.top+1); + + for(i = 0; i < n; i++) + memset(term.line[term.bot-i], 0, term.col*sizeof(Glyph)); + + for(i = term.bot; i >= term.top+n; i--) { + temp = term.line[i]; + term.line[i] = term.line[i-n]; + term.line[i-n] = temp; + } +} + +void +tscrollup (int n) { + int i; + Line temp; + LIMIT(n, 0, term.bot-term.top+1); + + for(i = 0; i < n; i++) + memset(term.line[term.top+i], 0, term.col*sizeof(Glyph)); + + for(i = term.top; i <= term.bot-n; i++) { + temp = term.line[i]; + term.line[i] = term.line[i+n]; + term.line[i+n] = temp; + } +} + +void tnewline(void) { int y = term.c.y + 1; if(y > term.bot) @@ -370,7 +412,7 @@ csiparse(void) { escseq.arg[escseq.narg] *= 10; escseq.arg[escseq.narg] += *p++ - '0'/*, noarg = 0 */; } - if(*p == ';' && escseq.narg+1 < ESCARGSIZ) + if(*p == ';' && escseq.narg+1 < ESC_ARG_SIZ) escseq.narg++, p++; else { escseq.mode = *p; @@ -387,27 +429,27 @@ tmoveto(int x, int y) { } void -tcursor(int dir) { +tmovecursor(int dir) { int xf = term.c.x, yf = term.c.y; - + switch(dir) { - case CSup: + case CURSOR_UP: yf--; break; - case CSdown: + case CURSOR_DOWN: yf++; break; - case CSleft: + case CURSOR_LEFT: xf--; - if(xf < 0) { + if(term.mode & MODE_WRAP && xf < 0) { xf = term.col-1, yf--; if(yf < term.top) yf = term.top, xf = 0; } break; - case CSright: + case CURSOR_RIGHT: xf++; - if(xf >= term.col) { + if(term.mode & MODE_WRAP && xf >= term.col) { xf = 0, yf++; if(yf > term.bot) yf = term.bot, tscroll(); @@ -416,29 +458,30 @@ tcursor(int dir) { } tmoveto(xf, yf); } - + void tsetchar(char c) { term.line[term.c.y][term.c.x] = term.c.attr; term.line[term.c.y][term.c.x].c = c; - term.line[term.c.y][term.c.x].state |= CRset | CRupdate; + term.line[term.c.y][term.c.x].state |= GLYPH_SET; } void tclearregion(int x1, int y1, int x2, int y2) { - int x, y; + int y, temp; + + if(x1 > x2) + temp = x1, x1 = x2, x2 = temp; + if(y1 > y2) + temp = y1, y1 = y2, y2 = temp; LIMIT(x1, 0, term.col-1); LIMIT(x2, 0, term.col-1); LIMIT(y1, 0, term.row-1); LIMIT(y2, 0, term.row-1); - /* XXX: could be optimized */ - for(x = x1; x <= x2; x++) - for(y = y1; y <= y2; y++) - memset(&term.line[y][x], 0, sizeof(Glyph)); - - xclear(x1, y1, x2, y2); + for(y = y1; y <= y2; y++) + memset(&term.line[y][x1], 0, sizeof(Glyph)*(x2-x1+1)); } void @@ -470,14 +513,7 @@ tinsertblank(int n) { } void -tsetlinestate(int n, int state) { - int i; - for(i = 0; i < term.col; i++) - term.line[n][i].state |= state; -} - -void -tinsertblankline (int n) { +tinsertblankline(int n) { int i; Line blank; int bot = term.bot; @@ -497,8 +533,6 @@ tinsertblankline (int n) { term.line[i-n] = blank; /* blank it */ memset(blank, 0, term.col * sizeof(Glyph)); - tsetlinestate(i, CRupdate); - tsetlinestate(i-n, CRupdate); } } @@ -523,8 +557,6 @@ tdeleteline(int n) { term.line[i+n] = blank; /* blank it */ memset(blank, 0, term.col * sizeof(Glyph)); - tsetlinestate(i, CRupdate); - tsetlinestate(i-n, CRupdate); } } @@ -535,30 +567,27 @@ tsetattr(int *attr, int l) { for(i = 0; i < l; i++) { switch(attr[i]) { case 0: - memset(&term.c.attr, 0, sizeof(term.c.attr)); + term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD); term.c.attr.fg = DefaultFG; term.c.attr.bg = DefaultBG; break; case 1: - term.c.attr.mode |= ATbold; + term.c.attr.mode |= ATTR_BOLD; break; case 4: - term.c.attr.mode |= ATunderline; + term.c.attr.mode |= ATTR_UNDERLINE; break; case 7: - term.c.attr.mode |= ATreverse; - break; - case 8: - term.c.hidden = CShide; + term.c.attr.mode |= ATTR_REVERSE; break; case 22: - term.c.attr.mode &= ~ATbold; + term.c.attr.mode &= ~ATTR_BOLD; break; case 24: - term.c.attr.mode &= ~ATunderline; + term.c.attr.mode &= ~ATTR_UNDERLINE; break; case 27: - term.c.attr.mode &= ~ATreverse; + term.c.attr.mode &= ~ATTR_REVERSE; break; case 39: term.c.attr.fg = DefaultFG; @@ -571,6 +600,8 @@ tsetattr(int *attr, int l) { term.c.attr.fg = attr[i] - 30; else if(BETWEEN(attr[i], 40, 47)) term.c.attr.bg = attr[i] - 40; + else + fprintf(stderr, "erresc: gfx attr %d unkown\n", attr[i]); break; } } @@ -595,52 +626,54 @@ void csihandle(void) { switch(escseq.mode) { default: - fprintf(stderr, "erresc: unknown sequence\n"); + unknown: + printf("erresc: unknown csi "); csidump(); /* die(""); */ break; - case '@': /* Insert blank char */ + case '@': /* ICH -- Insert blank char */ DEFAULT(escseq.arg[0], 1); tinsertblank(escseq.arg[0]); break; - case 'A': /* Cursor Up */ + case 'A': /* CUU -- Cursor Up */ case 'e': DEFAULT(escseq.arg[0], 1); tmoveto(term.c.x, term.c.y-escseq.arg[0]); break; - case 'B': /* Cursor Down */ + case 'B': /* CUD -- Cursor Down */ DEFAULT(escseq.arg[0], 1); tmoveto(term.c.x, term.c.y+escseq.arg[0]); break; - case 'C': /* Cursor Forward */ + case 'C': /* CUF -- Cursor Forward */ case 'a': DEFAULT(escseq.arg[0], 1); tmoveto(term.c.x+escseq.arg[0], term.c.y); break; - case 'D': /* Cursor Backward */ + case 'D': /* CUB -- Cursor Backward */ DEFAULT(escseq.arg[0], 1); tmoveto(term.c.x-escseq.arg[0], term.c.y); break; - case 'E': /* Cursor Down and first col */ + case 'E': /* CNL -- Cursor Down and first col */ DEFAULT(escseq.arg[0], 1); tmoveto(0, term.c.y+escseq.arg[0]); break; - case 'F': /* Cursor Up and first col */ + case 'F': /* CPL -- Cursor Up and first col */ DEFAULT(escseq.arg[0], 1); tmoveto(0, term.c.y-escseq.arg[0]); break; - case 'G': /* Move to */ - case '`': + case 'G': /* CHA -- Move to */ + case '`': /* XXX: HPA -- same? */ DEFAULT(escseq.arg[0], 1); tmoveto(escseq.arg[0]-1, term.c.y); break; - case 'H': /* Move to */ - case 'f': + 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); break; - case 'J': /* Clear screen */ + /* XXX: (CSI n I) CHT -- Cursor Forward Tabulation tab stops */ + 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); @@ -650,10 +683,13 @@ csihandle(void) { break; case 2: /* all */ tclearregion(0, 0, term.col-1, term.row-1); - break; + break; + case 3: /* XXX: erase saved lines (xterm) */ + default: + goto unknown; } break; - case 'K': /* Clear line */ + case 'K': /* EL -- Clear line */ switch(escseq.arg[0]) { case 0: /* right */ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); @@ -666,49 +702,114 @@ csihandle(void) { break; } break; - case 'S': - case 'L': /* Insert blank lines */ + case 'S': /* SU -- Scroll line up */ + DEFAULT(escseq.arg[0], 1); + tscrollup(escseq.arg[0]); + break; + case 'T': /* SD -- Scroll line down */ + DEFAULT(escseq.arg[0], 1); + tscrolldown(escseq.arg[0]); + break; + case 'L': /* IL -- Insert blank lines */ DEFAULT(escseq.arg[0], 1); tinsertblankline(escseq.arg[0]); break; - case 'l': - if(escseq.priv && escseq.arg[0] == 25) - term.c.hidden = 1; + case 'l': /* RM -- Reset Mode */ + if(escseq.priv) { + switch(escseq.arg[0]) { + case 1: + term.mode &= ~MODE_APPKEYPAD; + break; + case 7: + term.mode &= ~MODE_WRAP; + break; + case 12: /* att610 -- Stop blinking cursor (IGNORED) */ + break; + case 25: + term.hidec = 1; + break; + case 1048: /* XXX: no alt. screen to erase/save */ + case 1049: + tcursor(CURSOR_LOAD); + tclearregion(0, 0, term.col-1, term.row-1); + break; + default: + goto unknown; + } + } else { + switch(escseq.arg[0]) { + case 4: + term.mode &= ~MODE_INSERT; + break; + default: + goto unknown; + } + } break; - case 'M': /* Delete lines */ + case 'M': /* DL -- Delete lines */ DEFAULT(escseq.arg[0], 1); tdeleteline(escseq.arg[0]); break; - case 'X': - case 'P': /* Delete char */ + 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); + break; + case 'P': /* DCH -- Delete char */ DEFAULT(escseq.arg[0], 1); tdeletechar(escseq.arg[0]); break; - case 'd': /* Move to */ + /* 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); break; - case 'h': /* Set terminal mode */ - if(escseq.priv && escseq.arg[0] == 25) - term.c.hidden = 0; + case 'h': /* SM -- Set terminal mode */ + if(escseq.priv) { + switch(escseq.arg[0]) { + case 1: + term.mode |= MODE_APPKEYPAD; + break; + case 7: + term.mode |= MODE_WRAP; + break; + case 12: /* att610 -- Start blinking cursor (IGNORED) */ + break; + case 25: + term.hidec = 0; + break; + case 1048: + case 1049: /* XXX: no alt. screen to erase/save */ + tcursor(CURSOR_SAVE); + tclearregion(0, 0, term.col-1, term.row-1); + break; + default: goto unknown; + } + } else { + switch(escseq.arg[0]) { + case 4: + term.mode |= MODE_INSERT; + break; + default: goto unknown; + } + }; break; - case 'm': /* Terminal attribute (color) */ + case 'm': /* SGR -- Terminal attribute (color) */ tsetattr(escseq.arg, escseq.narg); break; - case 'r': + case 'r': /* DECSTBM -- Set Scrolling Region */ if(escseq.priv) - ; + goto unknown; else { DEFAULT(escseq.arg[0], 1); DEFAULT(escseq.arg[1], term.row); tsetscroll(escseq.arg[0]-1, escseq.arg[1]-1); } break; - case 's': /* Save cursor position */ - tcpos(CSsave); + case 's': /* DECSC -- Save cursor position (ANSI.SYS) */ + tcursor(CURSOR_SAVE); break; - case 'u': /* Load cursor position */ - tcpos(CSload); + case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */ + tcursor(CURSOR_LOAD); break; } } @@ -738,42 +839,105 @@ tputtab(void) { space--; for(; space > 0; space--) - tcursor(CSright); + tmovecursor(CURSOR_RIGHT); } void tputc(char c) { -#if 0 - dump(c); -#endif - if(term.esc & ESCin) { - if(term.esc & ESCcsi) { + /* dump(c); */ + if(term.esc & ESC_START) { + if(term.esc & ESC_CSI) { escseq.buf[escseq.len++] = c; - if(BETWEEN(c, 0x40, 0x7E) || escseq.len >= ESCSIZ) { + if(BETWEEN(c, 0x40, 0x7E) || escseq.len >= ESC_BUF_SIZ) { term.esc = 0; csiparse(), csihandle(); } - } else if (term.esc & ESCosc) { + } else if(term.esc & ESC_OSC) { if(c == ';') { term.titlelen = 0; - term.esc = ESCin | ESCtitle; + term.esc = ESC_START | ESC_TITLE; } - } else if(term.esc & ESCtitle) { - if(c == '\a' || term.titlelen+1 >= TITLESIZ) { + } else if(term.esc & ESC_TITLE) { + if(c == '\a' || term.titlelen+1 >= ESC_TITLE_SIZ) { term.esc = 0; term.title[term.titlelen] = '\0'; XStoreName(xw.dis, xw.win, term.title); } else { term.title[term.titlelen++] = c; } + } else if(term.esc & ESC_ALTCHARSET) { + switch(c) { + case '0': /* Line drawing crap */ + term.c.attr.mode |= ATTR_GFX; + break; + case 'B': /* Back to regular text */ + term.c.attr.mode &= ~ATTR_GFX; + break; + default: + printf("esc unhandled charset: ESC ( %c\n", c); + } + term.esc = 0; } else { switch(c) { case '[': - term.esc |= ESCcsi; + term.esc |= ESC_CSI; break; case ']': - term.esc |= ESCosc; + term.esc |= ESC_OSC; + break; + case '(': + term.esc |= ESC_ALTCHARSET; + break; + case 'A': + tmoveto(term.c.x, term.c.y-1); + term.esc = 0; + break; + case 'B': + tmoveto(term.c.x, term.c.y+1); + term.esc = 0; + break; + case 'C': + tmoveto(term.c.x+1, term.c.y); + term.esc = 0; + break; + case 'D': /* XXX: CUP (VT100) or IND (VT52) ... */ + tmoveto(term.c.x-1, term.c.y); + term.esc = 0; + break; + case 'E': /* NEL -- Next line */ + tnewline(); + term.esc = 0; break; + case 'M': /* RI -- Reverse index */ + if(term.c.y == term.top) + tscrolldown(1); + else + tmoveto(term.c.x, term.c.y-1); + term.esc = 0; + break; + case 'c': /* RIS -- Reset to inital state */ + treset(); + term.esc = 0; + break; + case '=': /* DECPAM */ + term.mode |= MODE_APPKEYPAD; + term.esc = 0; + break; + case '>': /* DECPNM */ + term.mode &= ~MODE_APPKEYPAD; + term.esc = 0; + break; + case '7': + tcursor(CURSOR_SAVE); + term.esc = 0; + break; + case '8': + tcursor(CURSOR_LOAD); + term.esc = 0; + break; + default: + fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n", c, isprint(c)?c:'.'); + term.esc = 0; } } } else { @@ -782,7 +946,7 @@ tputc(char c) { tputtab(); break; case '\b': - tcursor(CSleft); + tmovecursor(CURSOR_LEFT); break; case '\r': tmoveto(0, term.c.y); @@ -795,11 +959,11 @@ tputc(char c) { break; case '\033': csireset(); - term.esc = ESCin; + term.esc = ESC_START; break; default: tsetchar(c); - tcursor(CSright); + tmovecursor(CURSOR_RIGHT); break; } } @@ -856,27 +1020,14 @@ xgetcol(const char *s) { void xclear(int x1, int y1, int x2, int y2) { - XClearArea(xw.dis, xw.win, - x1 * xw.cw, y1 * xw.ch, - (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch, - False); -} - -void -xscroll(void) { - int srcy = (term.top+1) * xw.ch; - int dsty = term.top * xw.ch; - int height = (term.bot-term.top) * xw.ch; - - xcursor(CShide); - XCopyArea(xw.dis, xw.win, xw.win, dc.gc, 0, srcy, xw.w, height, 0, dsty); - xclear(0, term.bot, term.col-1, term.bot); + XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]); + XFillRectangle(xw.dis, xw.buf, dc.gc, + x1 * xw.cw, y1 * xw.ch, + (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch); } void xinit(void) { - XGCValues values; - unsigned long valuemask; XClassHint chint; XWMHints wmhint; XSizeHints shint; @@ -889,11 +1040,12 @@ xinit(void) { die("Can't open display\n"); /* font */ - if(!(dc.font = XLoadQueryFont(xw.dis, FONT))) - die("Can't load font %s\n", 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); + /* 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 + LINESPACE; + xw.ch = dc.font->ascent + dc.font->descent; /* colors */ for(i = 0; i < LEN(colorname); i++) @@ -901,100 +1053,122 @@ xinit(void) { term.c.attr.fg = DefaultFG; term.c.attr.bg = DefaultBG; - term.c.attr.mode = ATnone; + term.c.attr.mode = ATTR_NULL; /* windows */ xw.h = term.row * xw.ch; xw.w = term.col * xw.cw; - /* XXX: this BORDER is useless after the first resize, handle it in xdraws() */ xw.win = XCreateSimpleWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0, - xw.w, xw.h, BORDER, + xw.w + 2*BORDER, xw.h + 2*BORDER, 0, dc.col[DefaultBG], dc.col[DefaultBG]); + xw.buf = XCreatePixmap(xw.dis, xw.win, xw.w, xw.h, XDefaultDepth(xw.dis, xw.scr)); /* gc */ - values.foreground = XWhitePixel(xw.dis, xw.scr); - values.font = dc.font->fid; - valuemask = GCForeground | GCFont; - dc.gc = XCreateGC(xw.dis, xw.win, valuemask, &values); + dc.gc = XCreateGC(xw.dis, xw.win, 0, NULL); XMapWindow(xw.dis, xw.win); /* wm stuff */ chint.res_name = TNAME, chint.res_class = TNAME; wmhint.input = 1, wmhint.flags = InputHint; shint.height_inc = xw.ch, shint.width_inc = xw.cw; - shint.height = xw.h, shint.width = xw.w; + shint.height = xw.h + 2*BORDER, shint.width = xw.w + 2*BORDER; shint.flags = PSize | PResizeInc; XSetWMProperties(xw.dis, xw.win, NULL, NULL, &args[0], 0, &shint, &wmhint, &chint); XStoreName(xw.dis, xw.win, TNAME); + XFillRectangle(xw.dis, xw.buf, dc.gc, 0, 0, xw.w, xw.h); XSync(xw.dis, 0); + } void -xdraws (char *s, Glyph base, int x, int y, int len) { +xdraws(char *s, Glyph base, int x, int y, int len) { unsigned long xfg, xbg; int winx = x*xw.cw, winy = y*xw.ch + dc.font->ascent, width = len*xw.cw; - if(base.mode & ATreverse) + int i; + + 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]; XSetBackground(xw.dis, dc.gc, xbg); XSetForeground(xw.dis, dc.gc, xfg); - XDrawImageString(xw.dis, xw.win, dc.gc, winx, winy, s, len); - if(base.mode & ATunderline) - XDrawLine(xw.dis, xw.win, dc.gc, winx, winy+1, winx+width-1, winy+1); -} - -void -xdrawc(int x, int y, Glyph g) { - XRectangle r = { x * xw.cw, y * xw.ch, xw.cw, xw.ch }; - unsigned long xfg, xbg; + if(base.mode & ATTR_GFX) + for(i = 0; i < len; i++) + s[i] = gfx[s[i]]; - /* reverse video */ - if(g.mode & ATreverse) - xfg = dc.col[g.bg], xbg = dc.col[g.fg]; - else - xfg = dc.col[g.fg], xbg = dc.col[g.bg]; - /* background */ - XSetBackground(xw.dis, dc.gc, xbg); - XSetForeground(xw.dis, dc.gc, xfg); - XDrawImageString(xw.dis, xw.win, dc.gc, r.x, r.y+dc.font->ascent, &g.c, 1); + 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); + + if(base.mode & ATTR_UNDERLINE) + XDrawLine(xw.dis, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1); } void xcursor(int mode) { static int oldx = 0; static int oldy = 0; - Glyph g = {' ', ATnone, DefaultBG, DefaultCS, 0}; + 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 & CRset) + if(term.line[term.c.y][term.c.x].state & GLYPH_SET) g.c = term.line[term.c.y][term.c.x].c; + /* remove the old cursor */ - if(term.line[oldy][oldx].state & CRset) - xdrawc(oldx, oldy, term.line[oldy][oldx]); - else + if(term.line[oldy][oldx].state & GLYPH_SET) + xdraws(&term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1); + else xclear(oldx, oldy, oldx, oldy); + /* draw the new one */ - if(mode == CSdraw) { - xdrawc(term.c.x, term.c.y, g); + if(mode == CURSOR_DRAW) { + xdraws(&g.c, g, term.c.x, term.c.y, 1); 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); +} + +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]); + + if(!term.hidec) + xcursor(CURSOR_DRAW); + XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.w, xw.h, BORDER, BORDER); + XFlush(xw.dis); +} +#endif + void draw(int redraw_all) { int i, x, y, ox; Glyph base, new; - char buf[MAXDRAWBUF]; + char buf[DRAW_BUF_SIZ]; for(y = 0; y < term.row; y++) { base = term.line[y][0]; i = ox = 0; for(x = 0; x < term.col; x++) { new = term.line[y][x]; - if(!ATTRCMP(base, new) && i < MAXDRAWBUF) + if(!ATTRCMP(base, new) && i < DRAW_BUF_SIZ) buf[i++] = new.c; else { xdraws(buf, base, ox, y, i); @@ -1006,15 +1180,17 @@ draw(int redraw_all) { } xdraws(buf, base, ox, y, i); } - xcursor(CSdraw); + xcursor(term.hidec ? CURSOR_HIDE : CURSOR_DRAW); + XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.w, xw.h, BORDER, BORDER); + XFlush(xw.dis); } void expose(XEvent *ev) { - draw(SCredraw); + draw(SCREEN_REDRAW); } -char * +char* kmap(KeySym k) { int i; for(i = 0; i < LEN(key); i++) @@ -1046,9 +1222,16 @@ kpress(XEvent *ev) { ttywrite(buf, len); } else switch(ksym) { + case XK_Up: + case XK_Down: + case XK_Left: + case XK_Right: + sprintf(buf, "\033%c%c", term.mode & MODE_APPKEYPAD ? 'O' : '[', "DACB"[ksym - XK_Left]); + ttywrite(buf, 3); + break; case XK_Insert: if(shift) - /* XXX: paste X clipboard */; + draw(1), puts("draw!")/* XXX: paste X clipboard */; break; default: fprintf(stderr, "errkey: %d\n", (int)ksym); @@ -1067,7 +1250,9 @@ resize(XEvent *e) { ttyresize(col, row); xw.w = e->xconfigure.width; xw.h = e->xconfigure.height; - draw(SCredraw); + XFreePixmap(xw.dis, xw.buf); + xw.buf = XCreatePixmap(xw.dis, xw.win, xw.w, xw.h, XDefaultDepth(xw.dis, xw.scr)); + draw(SCREEN_REDRAW); } } @@ -1079,7 +1264,7 @@ run(void) { running = 1; XSelectInput(xw.dis, xw.win, ExposureMask | KeyPressMask | StructureNotifyMask); - XResizeWindow(xw.dis, xw.win, xw.w , xw.h); /* fix resize bug in wmii (?) */ + XResizeWindow(xw.dis, xw.win, xw.w+2*BORDER, xw.h+2*BORDER); /* fix resize bug in wmii (?) */ while(running) { FD_ZERO(&rfd); @@ -1092,7 +1277,7 @@ run(void) { } if(FD_ISSET(cmdfd, &rfd)) { ttyread(); - draw(SCupdate); + draw(SCREEN_UPDATE); } while(XPending(xw.dis)) { XNextEvent(xw.dis, &ev);