From ce05175372a9ddca1a225db0765ace1127a39293 Mon Sep 17 00:00:00 2001 From: Nicholas Date: Fri, 12 Nov 2021 09:22:01 -0800 Subject: chore: simplified organizational structure --- sys/cmd/term/x.c | 2070 ------------------------------------------------------ 1 file changed, 2070 deletions(-) delete mode 100644 sys/cmd/term/x.c (limited to 'sys/cmd/term/x.c') diff --git a/sys/cmd/term/x.c b/sys/cmd/term/x.c deleted file mode 100644 index 27a2e7a..0000000 --- a/sys/cmd/term/x.c +++ /dev/null @@ -1,2070 +0,0 @@ -/* See LICENSE for license details. */ -#include "term.h" - -#include -#include - -#include -#include -#include -#include -#include -#include - -/* harfbuzz additions */ -#if 0 -void hbunloadfonts(); -void hbtransform(XftGlyphFontSpec *, const Letter*, size_t, int, int); -#endif - -/* types used in config.h */ -typedef struct Shortcut Shortcut; -typedef struct MouseShortcut MouseShortcut; -typedef struct Key Key; - -struct Shortcut{ - uint mod; - KeySym keysym; - void (*func)(Arg *); - Arg arg; -}; - -struct MouseShortcut { - uint mod; - uint button; - void (*func)(Arg *); - Arg arg; - uint release; -}; - -struct Key { - KeySym k; - uint mask; - char *s; - /* three-valued logic variables: 0 indifferent, 1 on, -1 off */ - schar appkey; /* application keypad */ - schar appcursor; /* application cursor */ -}; - -/* X modifiers */ -#define XK_ANY_MOD UINT_MAX -#define XK_NO_MOD 0 -#define XK_SWITCH_MOD (1<<13) - -/* function definitions used in config.h */ -static void clipcopy(Arg *); -static void clippaste(Arg *); -static void numlock(Arg *); -static void selpaste(Arg *); -static void zoom(Arg *); -static void zoomabs(Arg *); -static void zoomreset(Arg *); -static void ttysend(Arg *); - -/* config.h for applying patches and the configuration. */ -#include "config.h" - -/* XEMBED messages */ -#define XEMBED_FOCUS_IN 4 -#define XEMBED_FOCUS_OUT 5 - -/* macros */ -#define IS_SET(flag) ((win.mode & (flag)) != 0) -#define TRUERED(x) (((x) & 0xff0000) >> 8) -#define TRUEGREEN(x) (((x) & 0xff00)) -#define TRUEBLUE(x) (((x) & 0xff) << 8) - -typedef XftDraw *Draw; -typedef XftColor Color; -typedef XftGlyphFontSpec GlyphFontSpec; - -/* Purely graphic info */ -typedef struct { - Display *dpy; - Colormap cmap; - Window win; - Drawable buf; - GlyphFontSpec *specbuf; /* font spec buffer used for rendering */ - Atom xembed, wmdeletewin, netwmname, netwmpid; - struct { - XIM xim; - XIC xic; - XPoint spot; - XVaNestedList spotlist; - } ime; - Draw draw; - Visual *vis; - XSetWindowAttributes attrs; - int scr; - int isfixed; /* is fixed geometry? */ - int depth; /* color depth */ - int l, t; /* left and top offset */ - int gm; /* geometry mask */ -} XWindow; - -typedef struct { - Atom xtarget; - char *primary, *clipboard; - struct timespec tclick1; - struct timespec tclick2; -} XSelection; - -/* Font structure */ -#define Font Font_ -typedef struct { - int height; - int width; - int ascent; - int descent; - int badslant; - int badweight; - short lbearing; - short rbearing; - XftFont *match; - FcFontSet *set; - FcPattern *pattern; -} Font; - -/* Drawing Context */ -typedef struct { - Color *col; - size_t collen; - Font font, bfont, ifont, ibfont; - GC gc; -} DC; - -static inline ushort sixd_to_16bit(int); -static int xmakeglyphfontspecs(XftGlyphFontSpec *, Letter *, int, int, int); -static void xdrawglyphfontspecs(XftGlyphFontSpec *, Letter, int, int, int); -static void xdrawglyph(Letter, int, int); -static void xclear(int, int, int, int); -static int xgeommasktogravity(int); -static int ximopen(Display *); -static void ximinstantiate(Display *, XPointer, XPointer); -static void ximdestroy(XIM, XPointer, XPointer); -static int xicdestroy(XIC, XPointer, XPointer); -static void xinit(int, int); -static void cresize(int, int); -static void xresize(int, int); -static void xhints(void); -static int xloadcolor(int, char *, Color *); -static int xloadfont(Font *, FcPattern *); -static void xloadfonts(char *, double); -static void xunloadfont(Font *); -static void xunloadfonts(void); -static void xsetenv(void); -static void xseturgency(int); -static int evcol(XEvent *); -static int evrow(XEvent *); - -static void expose(XEvent *); -static void visibility(XEvent *); -static void unmap(XEvent *); -static void kpress(XEvent *); -static void cmessage(XEvent *); -static void resize(XEvent *); -static void focus(XEvent *); -static uint buttonmask(uint); -static int mouseaction(XEvent *, uint); -static void brelease(XEvent *); -static void bpress(XEvent *); -static void bmotion(XEvent *); -static void propnotify(XEvent *); -static void selnotify(XEvent *); -static void selclear_(XEvent *); -static void selrequest(XEvent *); -static void setsel(char *, Time); -static void mousesel(XEvent *, int); -static void mousereport(XEvent *); -static char *kmap(KeySym, uint); -static int match(uint, uint); - -static void run(void); -static void usage(void); - -static void (*handler[LASTEvent])(XEvent *) = { - [KeyPress] = kpress, - [ClientMessage] = cmessage, - [ConfigureNotify] = resize, - [VisibilityNotify] = visibility, - [UnmapNotify] = unmap, - [Expose] = expose, - [FocusIn] = focus, - [FocusOut] = focus, - [MotionNotify] = bmotion, - [ButtonPress] = bpress, - [ButtonRelease] = brelease, - [SelectionClear] = selclear_, - [SelectionNotify] = selnotify, -/* - * PropertyNotify is only turned on when there is some INCR transfer happening - * for the selection retrieval. - */ - [PropertyNotify] = propnotify, - [SelectionRequest] = selrequest, -}; - -/* Globals */ -static DC dc; -static XWindow xw; -static XSelection xsel; -static TermWindow win; - -/* Font Ring Cache */ -enum { - FRC_NORMAL, - FRC_ITALIC, - FRC_BOLD, - FRC_ITALICBOLD -}; - -typedef struct { - XftFont *font; - int flags; - rune unicodep; -} Fontcache; - -/* Fontcache is an array now. A new font will be appended to the array. */ -static Fontcache *frc = nil; -static int frclen = 0; -static int frccap = 0; -static char *usedfont = nil; -static double usedfontsize = 0; -static double defaultfontsize = 0; - -static char *opt_alpha = nil; -static char *opt_class = nil; -static char **opt_cmd = nil; -static char *opt_embed = nil; -static char *opt_font = nil; -static char *opt_io = nil; -static char *opt_line = nil; -static char *opt_name = nil; -static char *opt_title = nil; - -static int oldbutton = 3; /* button event on startup: 3 = release */ - -void -clipcopy(Arg *_) -{ - Atom clipboard; - - free(xsel.clipboard); - xsel.clipboard = nil; - - if (xsel.primary != nil) { - xsel.clipboard = xstrdup(xsel.primary); - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime); - } -} - -void -clippaste(Arg *_) -{ - Atom clipboard; - - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard, - xw.win, CurrentTime); -} - -void -selpaste(Arg *_) -{ - XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, - xw.win, CurrentTime); -} - -void -numlock(Arg *_) -{ - win.mode ^= Wnumlock; -} - -void -zoom(Arg *arg) -{ - Arg larg; - - larg.f = usedfontsize + arg->f; - zoomabs(&larg); -} - -void -zoomabs(Arg *arg) -{ - xunloadfonts(); - xloadfonts(usedfont, arg->f); - cresize(0, 0); - redraw(); - xhints(); -} - -void -zoomreset(Arg *arg) -{ - Arg larg; - - if (defaultfontsize > 0) { - larg.f = defaultfontsize; - zoomabs(&larg); - } -} - -void -ttysend(Arg *arg) -{ - ttywrite(arg->s, strlen(arg->s), 1); -} - -int -evcol(XEvent *e) -{ - int x = e->xbutton.x - win.hb; - LIMIT(x, 0, win.tw - 1); - return x / win.cw; -} - -int -evrow(XEvent *e) -{ - int y = e->xbutton.y - win.vb; - LIMIT(y, 0, win.th - 1); - return y / win.ch; -} - -void -mousesel(XEvent *e, int done) -{ - int type, seltype = SelRegular; - uint state = e->xbutton.state & ~(Button1Mask | forcemousemod); - - for (type = 1; type < arrlen(selmasks); ++type) { - if (match(selmasks[type], state)) { - seltype = type; - break; - } - } - selextend(evcol(e), evrow(e), seltype, done); - if (done) - setsel(getsel(), e->xbutton.time); -} - -void -mousereport(XEvent *e) -{ - int len, x = evcol(e), y = evrow(e), - button = e->xbutton.button, state = e->xbutton.state; - char buf[40]; - static int ox, oy; - - /* from urxvt */ - if (e->xbutton.type == MotionNotify) { - if (x == ox && y == oy) - return; - if (!IS_SET(Wmousemotion) && !IS_SET(Wmousemany)) - return; - /* MOUSE_MOTION: no reporting if no button is pressed */ - if (IS_SET(Wmousemotion) && oldbutton == 3) - return; - - button = oldbutton + 32; - ox = x; - oy = y; - } else { - if (!IS_SET(Wmousesgr) && e->xbutton.type == ButtonRelease) { - button = 3; - } else { - button -= Button1; - if (button >= 3) - button += 64 - 3; - } - if (e->xbutton.type == ButtonPress) { - oldbutton = button; - ox = x; - oy = y; - } else if (e->xbutton.type == ButtonRelease) { - oldbutton = 3; - /* Wmousex10: no button release reporting */ - if (IS_SET(Wmousex10)) - return; - if (button == 64 || button == 65) - return; - } - } - - if (!IS_SET(Wmousex10)) { - button += ((state & ShiftMask ) ? 4 : 0) - + ((state & Mod4Mask ) ? 8 : 0) - + ((state & ControlMask) ? 16 : 0); - } - - if (IS_SET(Wmousesgr)) { - len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", - button, x+1, y+1, - e->xbutton.type == ButtonRelease ? 'm' : 'M'); - } else if (x < 223 && y < 223) { - len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", - 32+button, 32+x+1, 32+y+1); - } else { - return; - } - - ttywrite(buf, len, 0); -} - -uint -buttonmask(uint button) -{ - return button == Button1 ? Button1Mask - : button == Button2 ? Button2Mask - : button == Button3 ? Button3Mask - : button == Button4 ? Button4Mask - : button == Button5 ? Button5Mask - : 0; -} - -int -mouseaction(XEvent *e, uint release) -{ - MouseShortcut *ms; - - /* ignore Buttonmask for Button - it's set on release */ - uint state = e->xbutton.state & ~buttonmask(e->xbutton.button); - - for (ms = mshortcuts; ms < mshortcuts + arrlen(mshortcuts); ms++) { - if (ms->release == release && - ms->button == e->xbutton.button && - (match(ms->mod, state) || /* exact or forced */ - match(ms->mod, state & ~forcemousemod))) { - ms->func(&(ms->arg)); - return 1; - } - } - - return 0; -} - -void -bpress(XEvent *e) -{ - struct timespec now; - int snap; - - if (IS_SET(Wmouse) && !(e->xbutton.state & forcemousemod)) { - mousereport(e); - return; - } - - if (mouseaction(e, 0)) - return; - - if (e->xbutton.button == Button1) { - /* - * If the user clicks below predefined timeouts specific - * snapping behaviour is exposed. - */ - clock_gettime(CLOCK_MONOTONIC, &now); - if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) { - snap = SnapLine; - } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) { - snap = SnapWord; - } else { - snap = 0; - } - xsel.tclick2 = xsel.tclick1; - xsel.tclick1 = now; - - selstart(evcol(e), evrow(e), snap); - } -} - -void -propnotify(XEvent *e) -{ - XPropertyEvent *xpev; - Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - - xpev = &e->xproperty; - if (xpev->state == PropertyNewValue && - (xpev->atom == XA_PRIMARY || - xpev->atom == clipboard)) { - selnotify(e); - } -} - -void -selnotify(XEvent *e) -{ - ulong nitems, ofs, rem; - int format; - uchar *data, *last, *repl; - Atom type, incratom, property = None; - - incratom = XInternAtom(xw.dpy, "INCR", 0); - - ofs = 0; - if (e->type == SelectionNotify) - property = e->xselection.property; - else if (e->type == PropertyNotify) - property = e->xproperty.atom; - - if (property == None) - return; - - do { - if (XGetWindowProperty(xw.dpy, xw.win, property, ofs, - BUFSIZ/4, False, AnyPropertyType, - &type, &format, &nitems, &rem, - &data)) { - fprintf(stderr, "Clipboard allocation failed\n"); - return; - } - - if (e->type == PropertyNotify && nitems == 0 && rem == 0) { - /* - * If there is some PropertyNotify with no data, then - * this is the signal of the selection owner that all - * data has been transferred. We won't need to receive - * PropertyNotify events anymore. - */ - MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask); - XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, - &xw.attrs); - } - - if (type == incratom) { - /* - * Activate the PropertyNotify events so we receive - * when the selection owner does send us the next - * chunk of data. - */ - MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask); - XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, - &xw.attrs); - - /* - * Deleting the property is the transfer start signal. - */ - XDeleteProperty(xw.dpy, xw.win, (int)property); - continue; - } - - /* - * As seen in getsel: - * Line endings are inconsistent in the terminal and GUI world - * copy and pasting. When receiving some selection data, - * replace all '\n' with '\r'. - * FIXME: Fix the computer world. - */ - repl = data; - last = data + nitems * format / 8; - while ((repl = memchr(repl, '\n', last - repl))) { - *repl++ = '\r'; - } - - if (IS_SET(Wbrcktpaste) && ofs == 0) - ttywrite("\033[200~", 6, 0); - ttywrite((char *)data, nitems * format / 8, 1); - if (IS_SET(Wbrcktpaste) && rem == 0) - ttywrite("\033[201~", 6, 0); - XFree(data); - /* number of 32-bit chunks returned */ - ofs += nitems * format / 32; - } while (rem > 0); - - /* - * Deleting the property again tells the selection owner to send the - * next data chunk in the property. - */ - XDeleteProperty(xw.dpy, xw.win, (int)property); -} - -void -xclipcopy(void) -{ - clipcopy(nil); -} - -void -selclear_(XEvent *e) -{ - selclear(); -} - -void -selrequest(XEvent *e) -{ - XSelectionRequestEvent *xsre; - XSelectionEvent xev; - Atom xa_targets, string, clipboard; - char *seltext; - - xsre = (XSelectionRequestEvent *) e; - xev.type = SelectionNotify; - xev.requestor = xsre->requestor; - xev.selection = xsre->selection; - xev.target = xsre->target; - xev.time = xsre->time; - if (xsre->property == None) - xsre->property = xsre->target; - - /* reject */ - xev.property = None; - - xa_targets = XInternAtom(xw.dpy, "TARGETS", 0); - if (xsre->target == xa_targets) { - /* respond with the supported type */ - string = xsel.xtarget; - XChangeProperty(xsre->display, xsre->requestor, xsre->property, - XA_ATOM, 32, PropModeReplace, - (uchar *) &string, 1); - xev.property = xsre->property; - } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) { - /* - * xith XA_STRING non ascii characters may be incorrect in the - * requestor. It is not our problem, use utf8. - */ - clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0); - if (xsre->selection == XA_PRIMARY) { - seltext = xsel.primary; - } else if (xsre->selection == clipboard) { - seltext = xsel.clipboard; - } else { - fprintf(stderr, - "Unhandled clipboard selection 0x%lx\n", - xsre->selection); - return; - } - if (seltext != nil) { - XChangeProperty(xsre->display, xsre->requestor, - xsre->property, xsre->target, - 8, PropModeReplace, - (uchar *)seltext, strlen(seltext)); - xev.property = xsre->property; - } - } - - /* all done, send a notification to the listener */ - if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev)) - fprintf(stderr, "Error sending SelectionNotify event\n"); -} - -void -setsel(char *str, Time t) -{ - if (!str) - return; - - free(xsel.primary); - xsel.primary = str; - - XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t); - if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win) - selclear(); -} - -void -xsetsel(char *str) -{ - setsel(str, CurrentTime); -} - -void -brelease(XEvent *e) -{ - if (IS_SET(Wmouse) && !(e->xbutton.state & forcemousemod)) { - mousereport(e); - return; - } - - if (mouseaction(e, 1)) - return; - if (e->xbutton.button == Button1) - mousesel(e, 1); -} - -void -bmotion(XEvent *e) -{ - if (IS_SET(Wmouse) && !(e->xbutton.state & forcemousemod)) { - mousereport(e); - return; - } - - mousesel(e, 0); -} - -void -cresize(int width, int height) -{ - int col, row; - - if (width != 0) - win.w = width; - if (height != 0) - win.h = height; - - col = (win.w - 2 * borderpx) / win.cw; - row = (win.h - 2 * borderpx) / win.ch; - col = MAX(1, col); - row = MAX(1, row); - - win.hb = (win.w - col*win.cw)/2; - win.vb = (win.h - row*win.ch)/2; - - tresize(col, row); - xresize(col, row); - ttyresize(win.tw, win.th); -} - -void -xresize(int col, int row) -{ - win.tw = col * win.cw; - win.th = row * win.ch; - - XFreePixmap(xw.dpy, xw.buf); - xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth); - - XftDrawChange(xw.draw, xw.buf); - xclear(0, 0, win.w, win.h); - - /* resize to new width */ - xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec)); -} - -ushort -sixd_to_16bit(int x) -{ - return x == 0 ? 0 : 0x3737 + 0x2828 * x; -} - -int -xloadcolor(int i, char *name, Color *ncolor) -{ - XRenderColor color = { .alpha = 0xffff }; - - if (!name) { - if (BETWEEN(i, 16, 255)) { /* 256 color */ - if (i < 6*6*6+16) { /* same colors as xterm */ - color.red = sixd_to_16bit( ((i-16)/36)%6 ); - color.green = sixd_to_16bit( ((i-16)/6) %6 ); - color.blue = sixd_to_16bit( ((i-16)/1) %6 ); - } else { /* greyscale */ - color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16)); - color.green = color.blue = color.red; - } - return XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, ncolor); - } else - name = colorname[i]; - } - - return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor); -} - -void -xloadcols(void) -{ - int i; - static int loaded; - Color *cp; - - if (loaded) { - for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp) - XftColorFree(xw.dpy, xw.vis, xw.cmap, cp); - } else { - dc.collen = MAX(arrlen(colorname), 256); - dc.col = xmalloc(dc.collen * sizeof(Color)); - } - - for (i = 0; i < dc.collen; i++) - if (!xloadcolor(i, nil, &dc.col[i])) { - if (colorname[i]) - fatal("could not allocate color '%s'\n", colorname[i]); - else - fatal("could not allocate color %d\n", i); - } - - if (opt_alpha) - alpha = strtof(opt_alpha, nil); - - dc.col[defaultbg].color.alpha = (ushort)(0xffff * alpha); - dc.col[defaultbg].pixel &= 0x00ffffff; - dc.col[defaultbg].pixel |= (uchar)(0xff*alpha) << 24; - loaded = 1; -} - -int -xsetcolorname(int x, char *name) -{ - Color ncolor; - - if (!BETWEEN(x, 0, dc.collen)) - return 1; - - if (!xloadcolor(x, name, &ncolor)) - return 1; - - XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]); - dc.col[x] = ncolor; - - return 0; -} - -/* - * Absolute coordinates. - */ -void -xclear(int x1, int y1, int x2, int y2) -{ - XftDrawRect(xw.draw, &dc.col[IS_SET(Wreverse)? defaultfg : defaultbg], x1, y1, x2-x1, y2-y1); -} - -void -xhints(void) -{ - XClassHint class = {opt_name ? opt_name : termname, - opt_class ? opt_class : termname}; - XWMHints wm = {.flags = InputHint, .input = 1}; - XSizeHints *sizeh; - - sizeh = XAllocSizeHints(); - - sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize; - sizeh->height = win.h, sizeh->width = win.w; - sizeh->height_inc = 1; - sizeh->width_inc = 1; - sizeh->base_height = 2 * borderpx; - sizeh->base_width = 2 * borderpx; - sizeh->min_height = win.ch + 2 * borderpx; - sizeh->min_width = win.cw + 2 * borderpx; - if (xw.isfixed) { - sizeh->flags |= PMaxSize; - sizeh->min_width = sizeh->max_width = win.w; - sizeh->min_height = sizeh->max_height = win.h; - } - if (xw.gm & (XValue|YValue)) { - sizeh->flags |= USPosition | PWinGravity; - sizeh->x = xw.l; - sizeh->y = xw.t; - sizeh->win_gravity = xgeommasktogravity(xw.gm); - } - - XSetWMProperties(xw.dpy, xw.win, nil, nil, nil, 0, sizeh, &wm, - &class); - XFree(sizeh); -} - -int -xgeommasktogravity(int mask) -{ - switch (mask & (XNegative|YNegative)) { - case 0: - return NorthWestGravity; - case XNegative: - return NorthEastGravity; - case YNegative: - return SouthWestGravity; - } - - return SouthEastGravity; -} - -int -xloadfont(Font *f, FcPattern *pattern) -{ - FcPattern *configured; - FcPattern *match; - FcResult result; - XGlyphInfo extents; - int wantattr, haveattr; - - /* - * Manually configure instead of calling XftMatchFont - * so that we can use the configured pattern for - * "missing glyph" lookups. - */ - configured = FcPatternDuplicate(pattern); - if (!configured) - return 1; - - FcConfigSubstitute(nil, configured, FcMatchPattern); - XftDefaultSubstitute(xw.dpy, xw.scr, configured); - - match = FcFontMatch(nil, configured, &result); - if (!match) { - FcPatternDestroy(configured); - return 1; - } - - if (!(f->match = XftFontOpenPattern(xw.dpy, match))) { - FcPatternDestroy(configured); - FcPatternDestroy(match); - return 1; - } - - if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) == - XftResultMatch)) { - /* - * Check if xft was unable to find a font with the appropriate - * slant but gave us one anyway. Try to mitigate. - */ - if ((XftPatternGetInteger(f->match->pattern, "slant", 0, - &haveattr) != XftResultMatch) || haveattr < wantattr) { - f->badslant = 1; - fputs("font slant does not match\n", stderr); - } - } - - if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) == - XftResultMatch)) { - if ((XftPatternGetInteger(f->match->pattern, "weight", 0, - &haveattr) != XftResultMatch) || haveattr != wantattr) { - f->badweight = 1; - fputs("font weight does not match\n", stderr); - } - } - - XftTextExtentsUtf8(xw.dpy, f->match, - (const FcChar8 *) ascii_printable, - strlen(ascii_printable), &extents); - - f->set = nil; - f->pattern = configured; - - f->ascent = f->match->ascent; - f->descent = f->match->descent; - f->lbearing = 0; - f->rbearing = f->match->max_advance_width; - - f->height = f->ascent + f->descent; - f->width = DIVCEIL(extents.xOff, strlen(ascii_printable)); - - return 0; -} - -void -xloadfonts(char *fontstr, double fontsize) -{ - FcPattern *pattern; - double fontval; - - if (fontstr[0] == '-') - pattern = XftXlfdParse(fontstr, False, False); - else - pattern = FcNameParse((FcChar8 *)fontstr); - - if (!pattern) - fatal("can't open font %s\n", fontstr); - - if (fontsize > 1) { - FcPatternDel(pattern, FC_PIXEL_SIZE); - FcPatternDel(pattern, FC_SIZE); - FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize); - usedfontsize = fontsize; - } else { - if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) == - FcResultMatch) { - usedfontsize = fontval; - } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) == - FcResultMatch) { - usedfontsize = -1; - } else { - /* - * Default font size is 12, if none given. This is to - * have a known usedfontsize value. - */ - FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12); - usedfontsize = 12; - } - defaultfontsize = usedfontsize; - } - - if (xloadfont(&dc.font, pattern)) - fatal("can't open font %s\n", fontstr); - - if (usedfontsize < 0) { - FcPatternGetDouble(dc.font.match->pattern, - FC_PIXEL_SIZE, 0, &fontval); - usedfontsize = fontval; - if (fontsize == 0) - defaultfontsize = fontval; - } - - /* Setting character width and height. */ - win.cw = ceilf(dc.font.width * cwscale); - win.ch = ceilf(dc.font.height * chscale); - - FcPatternDel(pattern, FC_SLANT); - FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC); - if (xloadfont(&dc.ifont, pattern)) - fatal("can't open font %s\n", fontstr); - - FcPatternDel(pattern, FC_WEIGHT); - FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); - if (xloadfont(&dc.ibfont, pattern)) - fatal("can't open font %s\n", fontstr); - - FcPatternDel(pattern, FC_SLANT); - FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); - if (xloadfont(&dc.bfont, pattern)) - fatal("can't open font %s\n", fontstr); - - FcPatternDestroy(pattern); -} - -void -xunloadfont(Font *f) -{ - XftFontClose(xw.dpy, f->match); - FcPatternDestroy(f->pattern); - if (f->set) - FcFontSetDestroy(f->set); -} - -void -xunloadfonts(void) -{ -#if 0 - hbunloadfonts(); -#endif - - /* Free the loaded fonts in the font cache. */ - while (frclen > 0) - XftFontClose(xw.dpy, frc[--frclen].font); - - xunloadfont(&dc.font); - xunloadfont(&dc.bfont); - xunloadfont(&dc.ifont); - xunloadfont(&dc.ibfont); -} - -int -ximopen(Display *dpy) -{ - XIMCallback imdestroy = { .client_data = nil, .callback = ximdestroy }; - XICCallback icdestroy = { .client_data = nil, .callback = xicdestroy }; - - xw.ime.xim = XOpenIM(xw.dpy, nil, nil, nil); - if (xw.ime.xim == nil) - return 0; - - if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, nil)) - fprintf(stderr, "XSetIMValues: " - "Could not set XNDestroyCallback.\n"); - - xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot, - nil); - - if (xw.ime.xic == nil) { - xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle, - XIMPreeditNothing | XIMStatusNothing, - XNClientWindow, xw.win, - XNDestroyCallback, &icdestroy, - nil); - } - if (xw.ime.xic == nil) - fprintf(stderr, "XCreateIC: Could not create input context.\n"); - - return 1; -} - -void -ximinstantiate(Display *dpy, XPointer client, XPointer call) -{ - if (ximopen(dpy)) - XUnregisterIMInstantiateCallback(xw.dpy, nil, nil, nil, - ximinstantiate, nil); -} - -void -ximdestroy(XIM xim, XPointer client, XPointer call) -{ - xw.ime.xim = nil; - XRegisterIMInstantiateCallback(xw.dpy, nil, nil, nil, - ximinstantiate, nil); - XFree(xw.ime.spotlist); -} - -int -xicdestroy(XIC xim, XPointer client, XPointer call) -{ - xw.ime.xic = nil; - return 1; -} - -void -xinit(int cols, int rows) -{ - XGCValues gcvalues; - Cursor cursor; - Window parent; - XColor xmousefg, xmousebg; - XWindowAttributes attr; - XVisualInfo vis; - pid_t thispid = getpid(); - - if (!(xw.dpy = XOpenDisplay(nil))) - fatal("can't open display\n"); - - if (!(opt_embed && (parent == strtol(opt_embed, nil, 0)))) { - parent = XRootWindow(xw.dpy, xw.scr); - xw.depth = 32; - } else { - XGetWindowAttributes(xw.dpy, parent, &attr); - xw.depth = attr.depth; - } - - XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis); - xw.vis = vis.visual; - xw.scr = XDefaultScreen(xw.dpy); - - /* font */ - if (!FcInit()) - fatal("could not init fontconfig.\n"); - - usedfont = (opt_font == nil)? font : opt_font; - xloadfonts(usedfont, 0); - - /* colors */ - xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None); - xloadcols(); - - /* adjust fixed window geometry */ - win.w = 2 * win.hb + cols*win.cw; - win.h = 2 * win.vb + rows*win.ch; - - if (xw.gm & XNegative) - xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2; - if (xw.gm & YNegative) - xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2; - - /* Events */ - xw.attrs.background_pixel = dc.col[defaultbg].pixel; - xw.attrs.border_pixel = dc.col[defaultbg].pixel; - xw.attrs.bit_gravity = NorthWestGravity; - xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask - | ExposureMask | VisibilityChangeMask | StructureNotifyMask - | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; - xw.attrs.colormap = xw.cmap; - - xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, - win.w, win.h, 0, xw.depth, InputOutput, - xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity - | CWEventMask | CWColormap, &xw.attrs); - - memset(&gcvalues, 0, sizeof(gcvalues)); - gcvalues.graphics_exposures = False; - - xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth); - dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues); - - XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); - XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h); - - /* font spec buffer */ - xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec)); - - /* Xft rendering context */ - xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); - - /* input methods */ - if (!ximopen(xw.dpy)) - XRegisterIMInstantiateCallback(xw.dpy, nil, nil, nil, ximinstantiate, nil); - - /* white cursor, black outline */ - cursor = XCreateFontCursor(xw.dpy, mouseshape); - XDefineCursor(xw.dpy, xw.win, cursor); - - if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) { - xmousefg.red = 0xffff; - xmousefg.green = 0xffff; - xmousefg.blue = 0xffff; - } - - if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) { - xmousebg.red = 0x0000; - xmousebg.green = 0x0000; - xmousebg.blue = 0x0000; - } - - XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg); - - xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False); - xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False); - xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False); - XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1); - - xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False); - XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32, - PropModeReplace, (uchar *)&thispid, 1); - - win.mode = Wnumlock; - resettitle(); - xhints(); - - XMapWindow(xw.dpy, xw.win); - XSync(xw.dpy, False); - - clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1); - clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2); - xsel.primary = nil; - xsel.clipboard = nil; - xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0); - if (xsel.xtarget == None) - xsel.xtarget = XA_STRING; -} - -int -xmakeglyphfontspecs(XftGlyphFontSpec *specs, Letter *glyphs, int len, int x, int y) -{ - float winx = win.hb + x * win.cw, winy = win.vb + y * win.ch, xp, yp; - ushort mode, prevmode = USHRT_MAX; - Font *font = &dc.font; - int frcflags = FRC_NORMAL; - float runewidth = win.cw; - rune r; - FT_UInt glyphidx; - FcResult fcres; - FcPattern *fcpattern, *fontpattern; - FcFontSet *fcsets[] = { nil }; - FcCharSet *fccharset; - int i, f, numspecs = 0; - - for(i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) { - /* Fetch rune and mode for current glyph. */ - r = glyphs[i].u; - mode = glyphs[i].mode; - - /* Skip dummy wide-character spacing. */ -#if 0 - if(mode & Gwdummy) -#endif - if(mode == Gwdummy) - continue; - - /* Determine font for glyph if different from previous glyph. */ - if(prevmode != mode){ - prevmode = mode; - font = &dc.font; - frcflags = FRC_NORMAL; - runewidth = win.cw * ((mode & Gwide) ? 2.0f : 1.0f); - if ((mode & Gitalic) && (mode & Gbold)) { - font = &dc.ibfont; - frcflags = FRC_ITALICBOLD; - } else if (mode & Gitalic) { - font = &dc.ifont; - frcflags = FRC_ITALIC; - } else if (mode & Gbold) { - font = &dc.bfont; - frcflags = FRC_BOLD; - } - yp = winy + font->ascent; - } - - /* lookup character index with default font. */ - glyphidx = XftCharIndex(xw.dpy, font->match, r); - if(glyphidx){ - specs[numspecs].font = font->match; - specs[numspecs].glyph = glyphidx; - specs[numspecs].x = (short)xp; - specs[numspecs].y = (short)yp; - xp += runewidth; - numspecs++; - continue; - } - - /* Fallback on font cache, search the font cache for match. */ - for(f = 0; f < frclen; f++) { - glyphidx = XftCharIndex(xw.dpy, frc[f].font, r); - /* Everything correct. */ - if (glyphidx && frc[f].flags == frcflags) - break; - /* We got a default font for a not found glyph. */ - if (!glyphidx && frc[f].flags == frcflags - && frc[f].unicodep == r) { - break; - } - } - - /* Nothing was found. Use fontconfig to find matching font. */ - if(f >= frclen) { - if (!font->set) - font->set = FcFontSort(0, font->pattern, - 1, 0, &fcres); - fcsets[0] = font->set; - - /* - * Nothing was found in the cache. Now use - * some dozen of Fontconfig calls to get the - * font for one single character. - * - * Xft and fontconfig are design failures. - */ - fcpattern = FcPatternDuplicate(font->pattern); - fccharset = FcCharSetCreate(); - - FcCharSetAddChar(fccharset, r); - FcPatternAddCharSet(fcpattern, FC_CHARSET, - fccharset); - FcPatternAddBool(fcpattern, FC_SCALABLE, 1); - - FcConfigSubstitute(0, fcpattern, - FcMatchPattern); - FcDefaultSubstitute(fcpattern); - - fontpattern = FcFontSetMatch(0, fcsets, 1, - fcpattern, &fcres); - - /* Allocate memory for the new cache entry. */ - if (frclen >= frccap) { - frccap += 16; - frc = xrealloc(frc, frccap * sizeof(Fontcache)); - } - - frc[frclen].font = XftFontOpenPattern(xw.dpy, - fontpattern); - if (!frc[frclen].font) - fatal("XftFontOpenPattern failed seeking fallback font: %s\n", - strerror(errno)); - frc[frclen].flags = frcflags; - frc[frclen].unicodep = r; - - glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, r); - - f = frclen; - frclen++; - - FcPatternDestroy(fcpattern); - FcCharSetDestroy(fccharset); - } - - specs[numspecs].font = frc[f].font; - specs[numspecs].glyph = glyphidx; - specs[numspecs].x = (short)xp; - specs[numspecs].y = (short)yp; - xp += runewidth; - numspecs++; - } - -#if 0 - hbtransform(specs, glyphs, len, x, y); -#endif - - return numspecs; -} - -void -xdrawglyphfontspecs(XftGlyphFontSpec *specs, Letter base, int len, int x, int y) -{ - int charlen = len * ((base.mode & Gwide) ? 2 : 1); - int winx = win.hb + x * win.cw, winy = win.vb + y * win.ch, width = charlen * win.cw; - Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; - XRenderColor colfg, colbg; - XRectangle r; - - /* Fallback on color display for attributes not supported by the font */ - if (base.mode & Gitalic && base.mode & Gbold) { - if (dc.ibfont.badslant || dc.ibfont.badweight) - base.fg = defaultattr; - } else if ((base.mode & Gitalic && dc.ifont.badslant) || - (base.mode & Gbold && dc.bfont.badweight)) { - base.fg = defaultattr; - } - - if (IS_TRUECOL(base.fg)) { - colfg.alpha = 0xffff; - colfg.red = TRUERED(base.fg); - colfg.green = TRUEGREEN(base.fg); - colfg.blue = TRUEBLUE(base.fg); - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg); - fg = &truefg; - } else { - fg = &dc.col[base.fg]; - } - - if (IS_TRUECOL(base.bg)) { - colbg.alpha = 0xffff; - colbg.green = TRUEGREEN(base.bg); - colbg.red = TRUERED(base.bg); - colbg.blue = TRUEBLUE(base.bg); - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg); - bg = &truebg; - } else { - bg = &dc.col[base.bg]; - } - - /* Change basic system colors [0-7] to bright system colors [8-15] */ - if ((base.mode & Gfaint) == Gbold && BETWEEN(base.fg, 0, 7)) - fg = &dc.col[base.fg + 8]; - - if (IS_SET(Wreverse)) { - if (fg == &dc.col[defaultfg]) { - fg = &dc.col[defaultbg]; - } else { - colfg.red = ~fg->color.red; - colfg.green = ~fg->color.green; - colfg.blue = ~fg->color.blue; - colfg.alpha = fg->color.alpha; - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg); - fg = &revfg; - } - - if (bg == &dc.col[defaultbg]) { - bg = &dc.col[defaultfg]; - } else { - colbg.red = ~bg->color.red; - colbg.green = ~bg->color.green; - colbg.blue = ~bg->color.blue; - colbg.alpha = bg->color.alpha; - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg); - bg = &revbg; - } - } - - if ((base.mode & Gboldfaint) == Gfaint) { - colfg.red = fg->color.red / 2; - colfg.green = fg->color.green / 2; - colfg.blue = fg->color.blue / 2; - colfg.alpha = fg->color.alpha; - XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg); - fg = &revfg; - } - - if (base.mode & Greverse) - temp = fg, fg = bg, bg = temp; - - if (base.mode & Gblink && win.mode & Wblink) - fg = bg; - - if (base.mode & Ginvisible) - fg = bg; - - /* Intelligent cleaning up of the borders. */ - if (x == 0) { - xclear(0, (y == 0)? 0 : winy, win.vb, - winy + win.ch + - ((winy + win.ch >= win.vb + win.th)? win.h : 0)); - } - if (winx + width >= win.hb + win.tw) { - xclear(winx + width, (y == 0)? 0 : winy, win.w, - ((winy + win.ch >= win.vb + win.th)? win.h : (winy + win.ch))); - } - if (y == 0) - xclear(winx, 0, winx + width, win.hb); - if (winy + win.ch >= win.hb + win.th) - xclear(winx, winy + win.ch, winx + width, win.h); - - /* Clean up the region we want to draw to. */ - XftDrawRect(xw.draw, bg, winx, winy, width, win.ch); - - /* Set the clip region because Xft is sometimes dirty. */ - r.x = 0, r.y = 0; - r.height = win.ch; - r.width = width; - XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); - - /* Render the glyphs. */ - XftDrawGlyphFontSpec(xw.draw, fg, specs, len); - - /* Render underline and strikethrough. */ - if (base.mode & Gunline) - XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1); - - if (base.mode & Gstruck) - XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3, width, 1); - - /* Reset clip to none. */ - XftDrawSetClip(xw.draw, 0); -} - -void -xdrawglyph(Letter g, int x, int y) -{ - int numspecs; - XftGlyphFontSpec spec; - - numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); - xdrawglyphfontspecs(&spec, g, numspecs, x, y); -} - -void -xdrawcursor(int cx, int cy, Letter g, int ox, int oy, Letter og, Letter *line, int len) -{ - Color drawcol; - - /* remove the old cursor */ - if(selected(ox, oy)) - og.mode ^= Greverse; - xdrawglyph(og, ox, oy); -#if 0 - xdrawline(line, 0, oy, len); -#endif - - if(IS_SET(Whide)) - return; - - /* - * Select the right color for the right mode. - */ - g.mode &= Gbold|Gitalic|Gunline|Gstruck|Gwide; - - if(IS_SET(Wreverse)) { - g.mode |= Greverse; - g.bg = defaultfg; - if (selected(cx, cy)) { - drawcol = dc.col[defaultcs]; - g.fg = defaultrcs; - } else { - drawcol = dc.col[defaultrcs]; - g.fg = defaultcs; - } - } else { - if(selected(cx, cy)) { - g.fg = defaultfg; - g.bg = defaultrcs; - } else { - g.fg = og.bg; //defaultbg; - g.bg = og.fg; //defaultcs; - if (IS_TRUECOL(og.fg)) { - drawcol.color.alpha = 0xffff; - drawcol.color.red = TRUERED(og.fg); - drawcol.color.green = TRUEGREEN(og.fg); - drawcol.color.blue = TRUEBLUE(og.fg); - goto drawnew; - } - } - drawcol = dc.col[g.bg]; - } - -drawnew: - if(IS_SET(Wfocused)) { - switch (win.cursor) { - case 7: /* st extension */ - g.u = 0x2603; /* snowman (U+2603) */ - /* fallthrough */ - case 0: /* Blinking Block */ - case 1: /* Blinking Block (Default) */ - case 2: /* Steady Block */ - xdrawglyph(g, cx, cy); - break; - case 3: /* Blinking Underline */ - case 4: /* Steady Underline */ - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + (cy + 1) * win.ch - cursorthickness, - win.cw, cursorthickness); - break; - case 5: /* Blinking bar */ - case 6: /* Steady bar */ - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + cy * win.ch, - cursorthickness, win.ch); - break; - } - } else { - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + cy * win.ch, - win.cw - 1, 1); - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + cy * win.ch, - 1, win.ch - 1); - XftDrawRect(xw.draw, &drawcol, - win.hb + (cx + 1) * win.cw - 1, - win.vb + cy * win.ch, - 1, win.ch - 1); - XftDrawRect(xw.draw, &drawcol, - win.hb + cx * win.cw, - win.vb + (cy + 1) * win.ch - 1, - win.cw, 1); - } -} - -void -xsetenv(void) -{ - char buf[sizeof(long) * 8 + 1]; - - snprintf(buf, sizeof(buf), "%lu", xw.win); - setenv("WINDOWID", buf, 1); -} - -void -xsettitle(char *p) -{ - XTextProperty prop; - DEFAULT(p, opt_title); - - Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, - &prop); - XSetWMName(xw.dpy, xw.win, &prop); - XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname); - XFree(prop.value); -} - -int -xstartdraw(void) -{ - return IS_SET(Wvisible); -} - -void -xdrawline(Letter *line, int x1, int y1, int x2) -{ - int i, x, ox, numspecs; - Letter base, new; - XftGlyphFontSpec *specs = xw.specbuf; - - numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1); - i = ox = 0; - for (x = x1; x < x2 && i < numspecs; x++) { - new = line[x]; - if (new.mode == Gwdummy) - continue; - if (selected(x, y1)) - new.mode ^= Greverse; - if (i > 0 && GLYPHCMP(base, new)) { - xdrawglyphfontspecs(specs, base, i, ox, y1); - specs += i; - numspecs -= i; - i = 0; - } - if (i == 0) { - ox = x; - base = new; - } - i++; - } - if (i > 0) - xdrawglyphfontspecs(specs, base, i, ox, y1); -} - -void -xfinishdraw(void) -{ - XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, - win.h, 0, 0); - XSetForeground(xw.dpy, dc.gc, - dc.col[IS_SET(Wreverse)? - defaultfg : defaultbg].pixel); -} - -void -xximspot(int x, int y) -{ - if (xw.ime.xic == nil) - return; - - xw.ime.spot.x = borderpx + x * win.cw; - xw.ime.spot.y = borderpx + (y + 1) * win.ch; - - XSetICValues(xw.ime.xic, XNPreeditAttributes, xw.ime.spotlist, nil); -} - -void -expose(XEvent *ev) -{ - redraw(); -} - -void -visibility(XEvent *ev) -{ - XVisibilityEvent *e = &ev->xvisibility; - - MODBIT(win.mode, e->state != VisibilityFullyObscured, Wvisible); -} - -void -unmap(XEvent *ev) -{ - win.mode &= ~Wvisible; -} - -void -xsetpointermotion(int set) -{ - MODBIT(xw.attrs.event_mask, set, PointerMotionMask); - XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs); -} - -void -xsetmode(int set, uint flags) -{ - int mode = win.mode; - MODBIT(win.mode, set, flags); - if ((win.mode & Wreverse) != (mode & Wreverse)) - redraw(); -} - -int -xsetcursor(int cursor) -{ - if (!BETWEEN(cursor, 0, 7)) /* 7: st extension */ - return 1; - win.cursor = cursor; - return 0; -} - -void -xseturgency(int add) -{ - XWMHints *h = XGetWMHints(xw.dpy, xw.win); - - MODBIT(h->flags, add, XUrgencyHint); - XSetWMHints(xw.dpy, xw.win, h); - XFree(h); -} - -void -xbell(void) -{ - if (!(IS_SET(Wfocused))) - xseturgency(1); - if (bellvolume) - XkbBell(xw.dpy, xw.win, bellvolume, (Atom)nil); -} - -void -focus(XEvent *ev) -{ - XFocusChangeEvent *e = &ev->xfocus; - - if (e->mode == NotifyGrab) - return; - - if (ev->type == FocusIn) { - if (xw.ime.xic) - XSetICFocus(xw.ime.xic); - win.mode |= Wfocused; - xseturgency(0); - if (IS_SET(Wfocus)) - ttywrite("\033[I", 3, 0); - } else { - if (xw.ime.xic) - XUnsetICFocus(xw.ime.xic); - win.mode &= ~Wfocused; - if (IS_SET(Wfocus)) - ttywrite("\033[O", 3, 0); - } -} - -int -match(uint mask, uint state) -{ - return mask == XK_ANY_MOD || mask == (state & ~ignoremod); -} - -char* -kmap(KeySym k, uint state) -{ - Key *kp; - int i; - - /* Check for mapped keys out of X11 function keys. */ - for (i = 0; i < arrlen(mappedkeys); i++) { - if (mappedkeys[i] == k) - break; - } - if (i == arrlen(mappedkeys)) { - if ((k & 0xFFFF) < 0xFD00) - return nil; - } - - for (kp = key; kp < key + arrlen(key); kp++) { - if (kp->k != k) - continue; - - if (!match(kp->mask, state)) - continue; - - if (IS_SET(Wappkeypad) ? kp->appkey < 0 : kp->appkey > 0) - continue; - if (IS_SET(Wnumlock) && kp->appkey == 2) - continue; - - if (IS_SET(Wappcursor) ? kp->appcursor < 0 : kp->appcursor > 0) - continue; - - return kp->s; - } - - return nil; -} - -void -kpress(XEvent *ev) -{ - XKeyEvent *e = &ev->xkey; - KeySym ksym; - char buf[64], *customkey; - int len; - rune c; - Status status; - Shortcut *bp; - - if (IS_SET(Wkbdblock)) - return; - - if (xw.ime.xic) - len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status); - else - len = XLookupString(e, buf, sizeof buf, &ksym, nil); - /* 1. shortcuts */ - for (bp = shortcuts; bp < shortcuts + arrlen(shortcuts); bp++) { - if (ksym == bp->keysym && match(bp->mod, e->state)) { - bp->func(&(bp->arg)); - return; - } - } - - /* 2. custom keys from config.h */ - if ((customkey = kmap(ksym, e->state))) { - ttywrite(customkey, strlen(customkey), 1); - return; - } - - /* 3. composed string from input method */ - if (len == 0) - return; - if (len == 1 && e->state & Mod1Mask) { - if (IS_SET(W8bit)) { - if (*buf < 0177) { - c = *buf | 0x80; - len = utf8·encode(&c, buf); - } - } else { - buf[1] = buf[0]; - buf[0] = '\033'; - len = 2; - } - } - ttywrite(buf, len, 1); -} - -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) { - win.mode |= Wfocused; - xseturgency(0); - } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) { - win.mode &= ~Wfocused; - } - } else if (e->xclient.data.l[0] == xw.wmdeletewin) { - ttyhangup(); - exit(0); - } -} - -void -resize(XEvent *e) -{ - if (e->xconfigure.width == win.w && e->xconfigure.height == win.h) - return; - - cresize(e->xconfigure.width, e->xconfigure.height); -} - -void -run(void) -{ - XEvent ev; - int w = win.w, h = win.h; - fd_set rfd; - int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing; - struct timespec seltv, *tv, now, lastblink, trigger; - double timeout; - - /* Waiting for window mapping */ - do { - XNextEvent(xw.dpy, &ev); - /* - * This XFilterEvent call is required because of XOpenIM. It - * does filter out the key event and some client message for - * the input method too. - */ - if (XFilterEvent(&ev, None)) - continue; - if (ev.type == ConfigureNotify) { - w = ev.xconfigure.width; - h = ev.xconfigure.height; - } - } while (ev.type != MapNotify); - - ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd); - cresize(w, h); - - for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) { - FD_ZERO(&rfd); - FD_SET(ttyfd, &rfd); - FD_SET(xfd, &rfd); - - if (XPending(xw.dpy)) - timeout = 0; /* existing events might not set xfd */ - - seltv.tv_sec = timeout / 1E3; - seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec); - tv = timeout >= 0 ? &seltv : nil; - - if (pselect(MAX(xfd, ttyfd)+1, &rfd, nil, nil, tv, nil) < 0) { - if (errno == EINTR) - continue; - fatal("select failed: %s\n", strerror(errno)); - } - clock_gettime(CLOCK_MONOTONIC, &now); - - if (FD_ISSET(ttyfd, &rfd)) - ttyread(); - - xev = 0; - while (XPending(xw.dpy)) { - xev = 1; - XNextEvent(xw.dpy, &ev); - if (XFilterEvent(&ev, None)) - continue; - if (handler[ev.type]) - (handler[ev.type])(&ev); - } - - /* - * To reduce flicker and tearing, when new content or event - * triggers drawing, we first wait a bit to ensure we got - * everything, and if nothing new arrives - we draw. - * We start with trying to wait minlatency ms. If more content - * arrives sooner, we retry with shorter and shorter periods, - * and eventually draw even without idle after maxlatency ms. - * Typically this results in low latency while interacting, - * maximum latency intervals during `cat huge.txt`, and perfect - * sync with periodic updates from animations/key-repeats/etc. - */ - if (FD_ISSET(ttyfd, &rfd) || xev) { - if (!drawing) { - trigger = now; - drawing = 1; - } - timeout = (maxlatency - TIMEDIFF(now, trigger)) \ - / maxlatency * minlatency; - if (timeout > 0) - continue; /* we have time, try to find idle */ - } - - /* idle detected or maxlatency exhausted -> draw */ - timeout = -1; - if (blinktimeout && tattrset(Gblink)) { - timeout = blinktimeout - TIMEDIFF(now, lastblink); - if (timeout <= 0) { - if (-timeout > blinktimeout) /* start visible */ - win.mode |= Wblink; - win.mode ^= Wblink; - tsetdirtattr(Gblink); - lastblink = now; - timeout = blinktimeout; - } - } - - draw(); - XFlush(xw.dpy); - drawing = 0; - } -} - -void -usage(void) -{ - fatal("usage: %s [-aiv] [-c class] [-f font] [-A alpha] [-g geometry]" - " [-n name] [-o file]\n" - " [-T title] [-t title] [-w windowid]" - " [[-e] command [args ...]]\n" - " %s [-aiv] [-c class] [-f font] [-g geometry]" - " [-n name] [-o file]\n" - " [-T title] [-t title] [-w windowid] -l line" - " [stty_args ...]\n", argv0, argv0); -} - -int -main(int argc, char *argv[]) -{ - xw.l = xw.t = 0; - xw.isfixed = False; - xsetcursor(cursorshape); - - ARGBEGIN { - case 'a': - allowaltscreen = 0; - break; - case 'A': - opt_alpha = EARGF(usage()); - break; - case 'c': - opt_class = EARGF(usage()); - break; - case 'e': - if (argc > 0) - --argc, ++argv; - goto run; - case 'f': - opt_font = EARGF(usage()); - break; - case 'g': - xw.gm = XParseGeometry(EARGF(usage()), - &xw.l, &xw.t, &cols, &rows); - break; - case 'i': - xw.isfixed = 1; - break; - case 'o': - opt_io = EARGF(usage()); - break; - case 'l': - opt_line = EARGF(usage()); - break; - case 'n': - opt_name = EARGF(usage()); - break; - case 't': - case 'T': - opt_title = EARGF(usage()); - break; - case 'w': - opt_embed = EARGF(usage()); - break; - case 'v': - fatal("%s " VERSION "\n", argv0); - break; - default: - usage(); - } ARGEND; - -run: - if (argc > 0) /* eat all remaining arguments */ - opt_cmd = argv; - - if (!opt_title) - opt_title = (opt_line || !opt_cmd) ? "term" : opt_cmd[0]; - - setlocale(LC_CTYPE, ""); - XSetLocaleModifiers(""); - - cols = MAX(cols, 1); - rows = MAX(rows, 1); - - tnew(cols, rows); - xinit(cols, rows); - xsetenv(); - selinit(); - - run(); - - return 0; -} -- cgit v1.2.1