X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=5633e4060174663901845309d5622277c40aacd6;hb=97695baf4f9bc3632792a3330fb46e188ef166a2;hp=665dc1a71a06fe5e73403cb95e62721c54458786;hpb=80f70f1c224ec6fb10f04c29ea2205f47ae553ff;p=st.git diff --git a/st.c b/st.c index 665dc1a..5633e40 100644 --- a/st.c +++ b/st.c @@ -125,6 +125,15 @@ typedef struct { GC gc; } DC; +/* TODO: use better name for vars... */ +typedef struct { + int mode; + int bx, by; + int ex, ey; + struct {int x, y;} b, e; + char *clip; +} Selection; + #include "config.h" static void die(const char *errstr, ...); @@ -152,8 +161,8 @@ static void tputc(char); static void tputs(char*, int); static void treset(void); static void tresize(int, int); -static void tscrollup(int); -static void tscrolldown(int); +static void tscrollup(int, int); +static void tscrolldown(int, int); static void tsetattr(int*, int); static void tsetchar(char); static void tsetscroll(int, int); @@ -177,9 +186,9 @@ static char* kmap(KeySym); static void kpress(XEvent *); static void resize(XEvent *); static void focus(XEvent *); -static void brelease(XEvent *e); -static void bpress(XEvent *e); -static void bmotion(XEvent *e); +static void brelease(XEvent *); +static void bpress(XEvent *); +static void bmotion(XEvent *); static void (*handler[LASTEvent])(XEvent *) = { @@ -200,23 +209,23 @@ static Term term; static CSIEscape escseq; static int cmdfd; static pid_t pid; +static Selection sel; -/* selection */ -// TODO: use X11 clipboard -static int selmode = 0; -static int selbx = -1, selby; -static int selex, seley; -int sb[2], se[2]; -static const char *clipboard = NULL; +void +selinit(void) { + sel.mode = 0; + sel.bx = -1; + sel.clip = NULL; +} static inline int selected(int x, int y) { - if ((seley==y && selby==y)) { - int bx = MIN(selbx, selex); - int ex = MAX(selbx, selex); - return (x>=bx && x<=ex); + 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 (((y>sb[1] && y=sb[0] && (x<=se[0] || sb[1]!=se[1]))); + 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) { @@ -224,76 +233,66 @@ static void getbuttoninfo(XEvent *e, int *b, int *x, int *y) { *b=*b==4096?5:*b==2048?4:*b==1024?3:*b==512?2:*b==256?1:-1; *x = e->xbutton.x/xw.cw; *y = e->xbutton.y/xw.ch; - sb[0] = selbyxbutton.x/xw.cw; - seley = selby = e->xbutton.y/xw.ch; + sel.mode = 1; + sel.ex = sel.bx = e->xbutton.x/xw.cw; + sel.ey = sel.by = e->xbutton.y/xw.ch; } static char *getseltext() { char *str, *ptr; int ls, x, y, sz; - if(selbx==-1) + if(sel.bx == -1) return NULL; - sz = ((xw.w/xw.ch) * (se[1]-sb[1]+2)); - ptr = str = malloc (sz); + 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++; - } + 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++; } *ptr = 0; return str; } -static void clipboard_copy(const char *str) { - free((void *)clipboard); - clipboard = str; +/* TODO: use X11 clipboard */ +static void selcopy(char *str) { + free(sel.clip); + sel.clip = str; } -static void clipboard_paste() { - if(clipboard) - ttywrite(clipboard, strlen(clipboard)); +static void selpaste() { + if(sel.clip) + ttywrite(sel.clip, strlen(sel.clip)); } -// TODO: doubleclick to select word +/* TODO: doubleclick to select word */ static void brelease(XEvent *e) { int b; - selmode = 0; - getbuttoninfo(e, &b, &selex, &seley); - if(b==4) - tscrollup(1); - else - if(b==5) - tscrolldown(1); - else - if(selbx==selex && selby==seley) { - selbx = -1; + 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) - clipboard_paste(); + selpaste(); } else { if(b==1) - clipboard_copy(getseltext()); + selcopy(getseltext()); } draw(1); } static void bmotion(XEvent *e) { - if (selmode) { - getbuttoninfo(e, NULL, &selex, &seley); + if (sel.mode) { + getbuttoninfo(e, NULL, &sel.ex, &sel.ey); draw(1); } } @@ -388,10 +387,10 @@ dump(char c) { void ttyread(void) { - char buf[BUFSIZ] = {0}; + char buf[BUFSIZ]; int ret; - if((ret = read(cmdfd, buf, BUFSIZ)) < 0) + if((ret = read(cmdfd, buf, LEN(buf))) < 0) die("Couldn't read from shell: %s\n", SERRNO); else tputs(buf, ret); @@ -460,16 +459,15 @@ tswapscreen(void) { } void -tscrolldown (int n) { +tscrolldown(int orig, int n) { int i; Line temp; - LIMIT(n, 0, term.bot-term.top+1); + LIMIT(n, 0, term.bot-orig+1); - for(i = 0; i < n; i++) - memset(term.line[term.bot-i], 0, term.col*sizeof(Glyph)); + tclearregion(0, term.bot-n+1, term.col-1, term.bot); - for(i = term.bot; i >= term.top+n; i--) { + for(i = term.bot; i >= orig+n; i--) { temp = term.line[i]; term.line[i] = term.line[i-n]; term.line[i-n] = temp; @@ -477,15 +475,14 @@ tscrolldown (int n) { } void -tscrollup (int n) { +tscrollup(int orig, int n) { int i; Line temp; - LIMIT(n, 0, term.bot-term.top+1); + LIMIT(n, 0, term.bot-orig+1); - for(i = 0; i < n; i++) - memset(term.line[term.top+i], 0, term.col*sizeof(Glyph)); + tclearregion(0, orig, term.col-1, orig+n-1); - for(i = term.top; 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+n] = temp; @@ -494,9 +491,11 @@ tscrollup (int n) { void tnewline(void) { - int y = term.c.y + 1; - if(y > term.bot) - tscrollup(1), y = term.bot; + int y = term.c.y; + if(term.c.y == term.bot) + tscrollup(term.top, 1); + else + y++; tmoveto(0, y); } @@ -588,50 +587,18 @@ tinsertblank(int n) { void tinsertblankline(int n) { - int i; - Line blank; - int bot = term.bot; - - if(term.c.y > term.bot) - bot = term.row - 1; - else if(term.c.y < term.top) - bot = term.top - 1; - if(term.c.y + n >= bot) { - tclearregion(0, term.c.y, term.col-1, bot); + if(term.c.y < term.top || term.c.y > term.bot) return; - } - for(i = bot; i >= term.c.y+n; i--) { - /* swap deleted line <-> blanked line */ - blank = term.line[i]; - term.line[i] = term.line[i-n]; - term.line[i-n] = blank; - /* blank it */ - memset(blank, 0, term.col * sizeof(Glyph)); - } + + tscrolldown(term.c.y, n); } void tdeleteline(int n) { - int i; - Line blank; - int bot = term.bot; - - if(term.c.y > term.bot) - bot = term.row - 1; - else if(term.c.y < term.top) - bot = term.top - 1; - if(term.c.y + n >= bot) { - tclearregion(0, term.c.y, term.col-1, bot); + if(term.c.y < term.top || term.c.y > term.bot) return; - } - for(i = term.c.y; i <= bot-n; i++) { - /* swap deleted line <-> blanked line */ - blank = term.line[i]; - term.line[i] = term.line[i+n]; - term.line[i+n] = blank; - /* blank it */ - memset(blank, 0, term.col * sizeof(Glyph)); - } + + tscrollup(term.c.y, n); } void @@ -784,7 +751,6 @@ csihandle(void) { case 2: /* all */ tclearregion(0, 0, term.col-1, term.row-1); break; - case 3: /* XXX: erase saved lines (xterm) */ default: goto unknown; } @@ -804,11 +770,11 @@ csihandle(void) { break; case 'S': /* SU -- Scroll line up */ DEFAULT(escseq.arg[0], 1); - tscrollup(escseq.arg[0]); + tscrollup(term.top, escseq.arg[0]); break; case 'T': /* SD -- Scroll line down */ DEFAULT(escseq.arg[0], 1); - tscrolldown(escseq.arg[0]); + tscrolldown(term.top, escseq.arg[0]); break; case 'L': /* IL -- Insert blank lines */ DEFAULT(escseq.arg[0], 1); @@ -959,7 +925,8 @@ tputc(char c) { term.esc = 0; csiparse(), csihandle(); } - } else if(term.esc & ESC_OSC) { + /* TODO: handle other OSC */ + } else if(term.esc & ESC_OSC) { if(c == ';') { term.titlelen = 0; term.esc = ESC_START | ESC_TITLE; @@ -997,7 +964,7 @@ tputc(char c) { break; case 'D': /* IND -- Linefeed */ if(term.c.y == term.bot) - tscrollup(1); + tscrollup(term.top, 1); else tmoveto(term.c.x, term.c.y+1); term.esc = 0; @@ -1008,7 +975,7 @@ tputc(char c) { break; case 'M': /* RI -- Reverse index */ if(term.c.y == term.top) - tscrolldown(1); + tscrolldown(term.top, 1); else tmoveto(term.c.x, term.c.y-1); term.esc = 0; @@ -1025,7 +992,7 @@ tputc(char c) { term.mode &= ~MODE_APPKEYPAD; term.esc = 0; break; - case '7': /* DECSC -- Save Cursor*/ + case '7': /* DECSC -- Save Cursor */ tcursor(CURSOR_SAVE); term.esc = 0; break; @@ -1096,7 +1063,7 @@ 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.alt = realloc(term.alt, row * sizeof(Line)); /* resize each row to new width, zero-pad if needed */ for(i = 0; i < minrow; i++) { @@ -1203,18 +1170,23 @@ xinit(void) { xloadcols(); /* windows */ - xw.h = term.row * xw.ch + 2*BORDER; - xw.w = term.col * xw.cw + 2*BORDER; + xw.bufh = term.row * xw.ch; + xw.bufw = term.col * xw.cw; + xw.h = xw.bufh + 2*BORDER; + xw.w = xw.bufw + 2*BORDER; xw.win = XCreateSimpleWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0, xw.w, xw.h, 0, dc.col[DefaultBG], dc.col[DefaultBG]); - xw.bufw = xw.w - 2*BORDER; - xw.bufh = xw.h - 2*BORDER; xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr)); - xw.hasfocus = 1; /* gc */ dc.gc = XCreateGC(xw.dis, xw.win, 0, NULL); + + /* event mask */ + XSelectInput(xw.dis, xw.win, ExposureMask | KeyPressMask + | StructureNotifyMask | FocusChangeMask | PointerMotionMask + | ButtonPressMask | ButtonReleaseMask); + XMapWindow(xw.dis, xw.win); xhints(); XStoreName(xw.dis, xw.win, "st"); @@ -1312,7 +1284,7 @@ draw(int redraw_all) { i = ox = 0; for(x = 0; x < term.col; x++) { new = term.line[y][x]; - if(selbx!=-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)) { @@ -1398,7 +1370,7 @@ kpress(XEvent *ev) { break; case XK_Insert: if(shift) - draw(1), puts("draw!")/* XXX: paste X clipboard */; + selpaste(), draw(1); break; default: fprintf(stderr, "errkey: %d\n", (int)ksym); @@ -1433,12 +1405,6 @@ run(void) { XEvent ev; fd_set rfd; int xfd = XConnectionNumber(xw.dis); - long mask = ExposureMask | KeyPressMask | StructureNotifyMask - | FocusChangeMask | PointerMotionMask | ButtonPressMask - | ButtonReleaseMask; - - XSelectInput(xw.dis, xw.win, mask); - XResizeWindow(xw.dis, xw.win, xw.w, xw.h); /* XXX: fix resize bug in wmii (?) */ for(;;) { FD_ZERO(&rfd); @@ -1471,6 +1437,7 @@ main(int argc, char *argv[]) { tnew(80, 24); ttynew(); xinit(); + selinit(); run(); return 0; }