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-rw-r--r--sys/cmd/term/x.c2070
1 files changed, 0 insertions, 2070 deletions
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 <locale.h>
-#include <time.h>
-
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/cursorfont.h>
-#include <X11/keysym.h>
-#include <X11/Xft/Xft.h>
-#include <X11/XKBlib.h>
-
-/* 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 Button<N>mask for Button<N> - 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;
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-29 11:59:06 +0000