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-rw-r--r--x.c2454
1 files changed, 0 insertions, 2454 deletions
diff --git a/x.c b/x.c
deleted file mode 100644
index 05dde6d..0000000
--- a/x.c
+++ /dev/null
@@ -1,2454 +0,0 @@
-/* See LICENSE for license details. */
-#include <X11/XKBlib.h>
-#include <X11/Xatom.h>
-#include <X11/Xft/Xft.h>
-#include <X11/Xlib.h>
-#include <X11/Xresource.h>
-#include <X11/cursorfont.h>
-#include <X11/keysym.h>
-#include <errno.h>
-#include <libgen.h>
-#include <limits.h>
-#include <locale.h>
-#include <math.h>
-#include <signal.h>
-#include <sys/select.h>
-#include <time.h>
-#include <unistd.h>
-
-char *argv0;
-#include "arg.h"
-#include "st.h"
-#include "win.h"
-
-/* types used in config.h */
-typedef struct {
- uint mod;
- KeySym keysym;
- void (*func)(const Arg *);
- const Arg arg;
-} Shortcut;
-
-typedef struct {
- uint mod;
- uint button;
- void (*func)(const Arg *);
- const Arg arg;
- uint release;
-} MouseShortcut;
-
-typedef struct {
- KeySym k;
- uint mask;
- char *s;
- /* three-valued logic variables: 0 indifferent, 1 on, -1 off */
- signed char appkey; /* application keypad */
- signed char appcursor; /* application cursor */
-} Key;
-
-/* Xresources preferences */
-enum resource_type { STRING = 0, INTEGER = 1, FLOAT = 2 };
-
-typedef struct {
- char *name;
- enum resource_type type;
- void *dst;
-} ResourcePref;
-
-/* X modifiers */
-#define XK_ANY_MOD UINT_MAX
-#define XK_NO_MOD 0
-#define XK_SWITCH_MOD (1 << 13 | 1 << 14)
-
-/* function definitions used in config.h */
-static void clipcopy(const Arg *);
-static void clippaste(const Arg *);
-static void numlock(const Arg *);
-static void selpaste(const Arg *);
-static void zoom(const Arg *);
-static void zoomabs(const Arg *);
-static void zoomreset(const Arg *);
-static void ttysend(const 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 {
- int tw, th; /* tty width and height */
- int w, h; /* window width and height */
- int ch; /* char height */
- int cw; /* char width */
- int mode; /* window state/mode flags */
- int cursor; /* cursor style */
-} TermWindow;
-
-typedef struct {
- Display *dpy;
- Colormap cmap;
- Window win;
- Drawable buf;
- GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
- Atom xembed, wmdeletewin, netwmname, netwmiconname, 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 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 *, const Glyph *, int, int,
- int);
-static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
-static void xdrawglyph(Glyph, 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, const char *, Color *);
-static int xloadfont(Font *, FcPattern *);
-static void xloadfonts(char *, double);
-static int xloadsparefont(FcPattern *, int);
-static void xloadsparefonts(void);
-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,
- /*
- * Uncomment if you want the selection to disappear when you select
- * something different in another window.
- */
- /* [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 = NULL;
-static int frclen = 0;
-static int frccap = 0;
-static char *usedfont = NULL;
-static double usedfontsize = 0;
-static double defaultfontsize = 0;
-
-static char *opt_class = NULL;
-static char **opt_cmd = NULL;
-static char *opt_embed = NULL;
-static char *opt_font = NULL;
-static char *opt_io = NULL;
-static char *opt_line = NULL;
-static char *opt_name = NULL;
-static char *opt_title = NULL;
-
-static int oldbutton = 3; /* button event on startup: 3 = release */
-
-void clipcopy(const Arg *dummy) {
- Atom clipboard;
-
- free(xsel.clipboard);
- xsel.clipboard = NULL;
-
- if (xsel.primary != NULL) {
- xsel.clipboard = xstrdup(xsel.primary);
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
- }
-}
-
-void clippaste(const Arg *dummy) {
- Atom clipboard;
-
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard, xw.win,
- CurrentTime);
-}
-
-void selpaste(const Arg *dummy) {
- XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, xw.win,
- CurrentTime);
-}
-
-void numlock(const Arg *dummy) { win.mode ^= MODE_NUMLOCK; }
-
-void zoom(const Arg *arg) {
- Arg larg;
-
- larg.f = usedfontsize + arg->f;
- zoomabs(&larg);
-}
-
-void zoomabs(const Arg *arg) {
- xunloadfonts();
- xloadfonts(usedfont, arg->f);
- xloadsparefonts();
- cresize(0, 0);
- redraw();
- xhints();
-}
-
-void zoomreset(const Arg *arg) {
- Arg larg;
-
- if (defaultfontsize > 0) {
- larg.f = defaultfontsize;
- zoomabs(&larg);
- }
-}
-
-void ttysend(const Arg *arg) { ttywrite(arg->s, strlen(arg->s), 1); }
-
-int evcol(XEvent *e) {
- int x = e->xbutton.x - borderpx;
- LIMIT(x, 0, win.tw - 1);
- return x / win.cw;
-}
-
-int evrow(XEvent *e) {
- int y = e->xbutton.y - borderpx;
- LIMIT(y, 0, win.th - 1);
- return y / win.ch;
-}
-
-void mousesel(XEvent *e, int done) {
- int type, seltype = SEL_REGULAR;
- uint state = e->xbutton.state & ~(Button1Mask | forcemousemod);
-
- for (type = 1; type < LEN(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(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
- return;
- /* MOUSE_MOTION: no reporting if no button is pressed */
- if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
- return;
-
- button = oldbutton + 32;
- ox = x;
- oy = y;
- } else {
- if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
- button = 3;
- } else {
- button -= Button1;
- if (button >= 7)
- button += 128 - 7;
- else 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;
- /* MODE_MOUSEX10: no button release reporting */
- if (IS_SET(MODE_MOUSEX10))
- return;
- if (button == 64 || button == 65)
- return;
- }
- }
-
- if (!IS_SET(MODE_MOUSEX10)) {
- button += ((state & ShiftMask) ? 4 : 0) + ((state & Mod4Mask) ? 8 : 0) +
- ((state & ControlMask) ? 16 : 0);
- }
-
- if (IS_SET(MODE_MOUSESGR)) {
- 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 + LEN(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(MODE_MOUSE) && !(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 = SNAP_LINE;
- } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) {
- snap = SNAP_WORD;
- } 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(MODE_BRCKTPASTE) && ofs == 0)
- ttywrite("\033[200~", 6, 0);
- ttywrite((char *)data, nitems * format / 8, 1);
- if (IS_SET(MODE_BRCKTPASTE) && 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(NULL); }
-
-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 != NULL) {
- 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(MODE_MOUSE) && !(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(MODE_MOUSE) && !(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);
-
- 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, DefaultDepth(xw.dpy, xw.scr));
- 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, const 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(LEN(colorname), 256);
- dc.col = xmalloc(dc.collen * sizeof(Color));
- }
-
- for (i = 0; i < dc.collen; i++)
- if (!xloadcolor(i, NULL, &dc.col[i])) {
- if (colorname[i])
- die("could not allocate color '%s'\n", colorname[i]);
- else
- die("could not allocate color %d\n", i);
- }
- loaded = 1;
-}
-
-void selpaste(const Arg *dummy) {
- XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY, xw.win,
- CurrentTime);
-}
-
-void numlock(const Arg *dummy) { win.mode ^= MODE_NUMLOCK; }
-
-void zoom(const Arg *arg) {
- Arg larg;
-
- larg.f = usedfontsize + arg->f;
- zoomabs(&larg);
-}
-
-void zoomabs(const Arg *arg) {
- xunloadfonts();
- xloadfonts(usedfont, arg->f);
- cresize(0, 0);
- redraw();
- xhints();
-}
-
-void zoomreset(const Arg *arg) {
- Arg larg;
-
- if (defaultfontsize > 0) {
- larg.f = defaultfontsize;
- zoomabs(&larg);
- }
-}
-
-void ttysend(const Arg *arg) { ttywrite(arg->s, strlen(arg->s), 1); }
-
-int evcol(XEvent *e) {
- int x = e->xbutton.x - borderpx;
- LIMIT(x, 0, win.tw - 1);
- return x / win.cw;
-}
-
-int evrow(XEvent *e) {
- int y = e->xbutton.y - borderpx;
- LIMIT(y, 0, win.th - 1);
- return y / win.ch;
-}
-
-void mousesel(XEvent *e, int done) {
- int type, seltype = SEL_REGULAR;
- uint state = e->xbutton.state & ~(Button1Mask | forcemousemod);
-
- for (type = 1; type < LEN(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(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
- return;
- /* MOUSE_MOTION: no reporting if no button is pressed */
- if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
- return;
-
- button = oldbutton + 32;
- ox = x;
- oy = y;
- } else {
- if (!IS_SET(MODE_MOUSESGR) && 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;
- /* MODE_MOUSEX10: no button release reporting */
- if (IS_SET(MODE_MOUSEX10))
- return;
- if (button == 64 || button == 65)
- return;
- }
- }
-
- if (!IS_SET(MODE_MOUSEX10)) {
- button += ((state & ShiftMask) ? 4 : 0) + ((state & Mod4Mask) ? 8 : 0) +
- ((state & ControlMask) ? 16 : 0);
- }
-
- if (IS_SET(MODE_MOUSESGR)) {
- 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 + LEN(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(MODE_MOUSE) && !(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 = SNAP_LINE;
- } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) {
- snap = SNAP_WORD;
- } 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(MODE_BRCKTPASTE) && ofs == 0)
- ttywrite("\033[200~", 6, 0);
- ttywrite((char *)data, nitems * format / 8, 1);
- if (IS_SET(MODE_BRCKTPASTE) && 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(NULL); }
-
-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 != NULL) {
- 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();
- clipcopy(NULL);
-}
-
-void xsetsel(char *str) { setsel(str, CurrentTime); }
-
-void brelease(XEvent *e) {
- if (IS_SET(MODE_MOUSE) && !(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(MODE_MOUSE) && !(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);
-
- 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, DefaultDepth(xw.dpy, xw.scr));
- 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, const char *name, Color *ncolor) {
- XRenderColor color = {.alpha = 0xffff};
-
- if (loaded) {
- for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
- XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
- } else {
- dc.collen = MAX(LEN(colorname), 256);
- dc.col = xmalloc(dc.collen * sizeof(Color));
- }
-
- for (i = 0; i < dc.collen; i++)
- if (!xloadcolor(i, NULL, &dc.col[i])) {
- if (colorname[i])
- die("could not allocate color '%s'\n", colorname[i]);
- else
- die("could not allocate color %d\n", i);
- }
- loaded = 1;
-}
-
-int xsetcolorname(int x, const 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(MODE_REVERSE) ? defaultfg : defaultbg],
- x1, y1, x2 - x1, y2 - y1);
-}
-
-void xhints(void) {
- XClassHint class = {opt_name ? opt_name : "st", opt_class ? opt_class : "St"};
- 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 = win.ch;
- sizeh->width_inc = win.cw;
- 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, NULL, NULL, NULL, 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(NULL, configured, FcMatchPattern);
- XftDefaultSubstitute(xw.dpy, xw.scr, configured);
-
- match = FcFontMatch(NULL, 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 = NULL;
- 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(const char *fontstr, double fontsize) {
- FcPattern *pattern;
- double fontval;
-
- if (fontstr[0] == '-')
- pattern = XftXlfdParse(fontstr, False, False);
- else
- pattern = FcNameParse((const FcChar8 *)fontstr);
-
- if (!pattern)
- die("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))
- die("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))
- die("can't open font %s\n", fontstr);
-
- FcPatternDel(pattern, FC_WEIGHT);
- FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
- if (xloadfont(&dc.ibfont, pattern))
- die("can't open font %s\n", fontstr);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
- if (xloadfont(&dc.bfont, pattern))
- die("can't open font %s\n", fontstr);
-
- FcPatternDestroy(pattern);
-}
-
-int xloadsparefont(FcPattern *pattern, int flags) {
- FcPattern *match;
- FcResult result;
-
- match = FcFontMatch(NULL, pattern, &result);
- if (!match) {
- return 1;
- }
-
- if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
- FcPatternDestroy(match);
- return 1;
- }
-
- frc[frclen].flags = flags;
- /* Believe U+0000 glyph will present in each default font */
- frc[frclen].unicodep = 0;
- frclen++;
-
- return 0;
-}
-
-void xloadsparefonts(void) {
- FcPattern *pattern;
- double sizeshift, fontval;
- int fc;
- char **fp;
-
- if (frclen != 0)
- die("can't embed spare fonts. cache isn't empty");
-
- /* Calculate count of spare fonts */
- fc = sizeof(font2) / sizeof(*font2);
- if (fc == 0)
- return;
-
- /* Allocate memory for cache entries. */
- if (frccap < 4 * fc) {
- frccap += 4 * fc - frccap;
- frc = xrealloc(frc, frccap * sizeof(Fontcache));
- }
-
- for (fp = font2; fp - font2 < fc; ++fp) {
-
- if (**fp == '-')
- pattern = XftXlfdParse(*fp, False, False);
- else
- pattern = FcNameParse((FcChar8 *)*fp);
-
- if (!pattern)
- die("can't open spare font %s\n", *fp);
-
- if (defaultfontsize > 0) {
- sizeshift = usedfontsize - defaultfontsize;
- if (sizeshift != 0 && FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0,
- &fontval) == FcResultMatch) {
- fontval += sizeshift;
- FcPatternDel(pattern, FC_PIXEL_SIZE);
- FcPatternDel(pattern, FC_SIZE);
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
- }
- }
-
- FcPatternAddBool(pattern, FC_SCALABLE, 1);
-
- FcConfigSubstitute(NULL, pattern, FcMatchPattern);
- XftDefaultSubstitute(xw.dpy, xw.scr, pattern);
-
- if (xloadsparefont(pattern, FRC_NORMAL))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
- if (xloadsparefont(pattern, FRC_ITALIC))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDel(pattern, FC_WEIGHT);
- FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
- if (xloadsparefont(pattern, FRC_ITALICBOLD))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
- if (xloadsparefont(pattern, FRC_BOLD))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDestroy(pattern);
- }
-}
-
-void xunloadfont(Font *f) {
- XftFontClose(xw.dpy, f->match);
- FcPatternDestroy(f->pattern);
- if (f->set)
- FcFontSetDestroy(f->set);
-}
-
-void xunloadfonts(void) {
- /* 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 = NULL, .callback = ximdestroy};
- XICCallback icdestroy = {.client_data = NULL, .callback = xicdestroy};
-
- xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
- if (xw.ime.xim == NULL)
- return 0;
-
- if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL))
- fprintf(stderr, "XSetIMValues: "
- "Could not set XNDestroyCallback.\n");
-
- xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot, NULL);
-
- if (xw.ime.xic == NULL) {
- xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle,
- XIMPreeditNothing | XIMStatusNothing, XNClientWindow,
- xw.win, XNDestroyCallback, &icdestroy, NULL);
- }
- if (xw.ime.xic == NULL)
- 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, NULL, NULL, NULL, ximinstantiate,
- NULL);
-}
-
-void ximdestroy(XIM xim, XPointer client, XPointer call) {
- xw.ime.xim = NULL;
- XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, ximinstantiate,
- NULL);
- XFree(xw.ime.spotlist);
-}
-
-int xicdestroy(XIC xim, XPointer client, XPointer call) {
- xw.ime.xic = NULL;
- return 1;
-}
-
-void xinit(int cols, int rows) {
- XGCValues gcvalues;
- Cursor cursor;
- Window parent;
- pid_t thispid = getpid();
- XColor xmousefg, xmousebg;
-
- xw.scr = XDefaultScreen(xw.dpy);
- xw.vis = XDefaultVisual(xw.dpy, xw.scr);
-
- /* font */
- if (!FcInit())
- die("could not init fontconfig.\n");
-
- usedfont = (opt_font == NULL) ? font : opt_font;
- xloadfonts(usedfont, 0);
-
- /* spare fonts */
- xloadsparefonts();
-
- /* colors */
- xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
- xloadcols();
-
- /* adjust fixed window geometry */
- win.w = 2 * borderpx + cols * win.cw;
- win.h = 2 * borderpx + 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;
-
- if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
- parent = XRootWindow(xw.dpy, xw.scr);
- xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t, win.w, win.h, 0,
- XDefaultDepth(xw.dpy, xw.scr), InputOutput, xw.vis,
- CWBackPixel | CWBorderPixel | CWBitGravity |
- CWEventMask | CWColormap,
- &xw.attrs);
-
- memset(&gcvalues, 0, sizeof(gcvalues));
- gcvalues.graphics_exposures = False;
- dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures, &gcvalues);
- xw.buf =
- XCreatePixmap(xw.dpy, xw.win, win.w, win.h, DefaultDepth(xw.dpy, xw.scr));
- 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, NULL, NULL, NULL, ximinstantiate,
- NULL);
- }
-
- /* 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);
- xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_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 = MODE_NUMLOCK;
- 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 = NULL;
- xsel.clipboard = NULL;
- xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
- if (xsel.xtarget == None)
- xsel.xtarget = XA_STRING;
-}
-
-int xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len,
- int x, int y) {
- float winx = borderpx + x * win.cw, winy = borderpx + y * win.ch, xp, yp;
- ushort mode, prevmode = USHRT_MAX;
- Font *font = &dc.font;
- int frcflags = FRC_NORMAL;
- float runewidth = win.cw;
- Rune rune;
- FT_UInt glyphidx;
- FcResult fcres;
- FcPattern *fcpattern, *fontpattern;
- FcFontSet *fcsets[] = {NULL};
- 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. */
- rune = glyphs[i].u;
- mode = glyphs[i].mode;
-
- /* Skip dummy wide-character spacing. */
- if (mode == ATTR_WDUMMY)
- 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 & ATTR_WIDE) ? 2.0f : 1.0f);
- if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
- font = &dc.ibfont;
- frcflags = FRC_ITALICBOLD;
- } else if (mode & ATTR_ITALIC) {
- font = &dc.ifont;
- frcflags = FRC_ITALIC;
- } else if (mode & ATTR_BOLD) {
- font = &dc.bfont;
- frcflags = FRC_BOLD;
- }
- yp = winy + font->ascent;
- }
-
- /* Lookup character index with default font. */
- glyphidx = XftCharIndex(xw.dpy, font->match, rune);
- 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, rune);
- /* 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 == rune) {
- 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, rune);
- 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)
- die("XftFontOpenPattern failed seeking fallback font: %s\n",
- strerror(errno));
- frc[frclen].flags = frcflags;
- frc[frclen].unicodep = rune;
-
- glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
-
- 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++;
- }
-
- return numspecs;
-}
-
-void xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len,
- int x, int y) {
- int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
- int winx = borderpx + x * win.cw, winy = borderpx + 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 & ATTR_ITALIC && base.mode & ATTR_BOLD) {
- if (dc.ibfont.badslant || dc.ibfont.badweight)
- base.fg = defaultattr;
- } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
- (base.mode & ATTR_BOLD && 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 & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
- fg = &dc.col[base.fg + 8];
-
- if (IS_SET(MODE_REVERSE)) {
- 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 & ATTR_BOLD_FAINT) == ATTR_FAINT) {
- 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 & ATTR_REVERSE) {
- temp = fg;
- fg = bg;
- bg = temp;
- }
-
- if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK)
- fg = bg;
-
- if (base.mode & ATTR_INVISIBLE)
- fg = bg;
-
- /* Intelligent cleaning up of the borders. */
- if (x == 0) {
- xclear(0, (y == 0) ? 0 : winy, borderpx,
- winy + win.ch + ((winy + win.ch >= borderpx + win.th) ? win.h : 0));
- }
- if (winx + width >= borderpx + win.tw) {
- xclear(winx + width, (y == 0) ? 0 : winy, win.w,
- ((winy + win.ch >= borderpx + win.th) ? win.h : (winy + win.ch)));
- }
- if (y == 0)
- xclear(winx, 0, winx + width, borderpx);
- if (winy + win.ch >= borderpx + 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 & ATTR_UNDERLINE) {
- XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1);
- }
-
- if (base.mode & ATTR_STRUCK) {
- XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3, width, 1);
- }
-
- /* Reset clip to none. */
- XftDrawSetClip(xw.draw, 0);
-}
-
-void xdrawglyph(Glyph 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, Glyph g, int ox, int oy, Glyph og) {
- Color drawcol;
-
- /* remove the old cursor */
- if (selected(ox, oy))
- og.mode ^= ATTR_REVERSE;
- xdrawglyph(og, ox, oy);
-
- if (IS_SET(MODE_HIDE))
- return;
-
- /*
- * Select the right color for the right mode.
- */
- g.mode &= ATTR_BOLD | ATTR_ITALIC | ATTR_UNDERLINE | ATTR_STRUCK | ATTR_WIDE;
-
- if (IS_SET(MODE_REVERSE)) {
- g.mode |= ATTR_REVERSE;
- 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 = defaultbg;
- g.bg = defaultcs;
- }
- drawcol = dc.col[g.bg];
- }
-
- /* draw the new one */
- if (IS_SET(MODE_FOCUSED)) {
- 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, borderpx + cx * win.cw,
- borderpx + (cy + 1) * win.ch - cursorthickness, win.cw,
- cursorthickness);
- break;
- case 5: /* Blinking bar */
- case 6: /* Steady bar */
- XftDrawRect(xw.draw, &drawcol, borderpx + cx * win.cw,
- borderpx + cy * win.ch, cursorthickness, win.ch);
- break;
- }
- } else {
- XftDrawRect(xw.draw, &drawcol, borderpx + cx * win.cw,
- borderpx + cy * win.ch, win.cw - 1, 1);
- XftDrawRect(xw.draw, &drawcol, borderpx + cx * win.cw,
- borderpx + cy * win.ch, 1, win.ch - 1);
- XftDrawRect(xw.draw, &drawcol, borderpx + (cx + 1) * win.cw - 1,
- borderpx + cy * win.ch, 1, win.ch - 1);
- XftDrawRect(xw.draw, &drawcol, borderpx + cx * win.cw,
- borderpx + (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 xseticontitle(char *p) {
- XTextProperty prop;
- DEFAULT(p, opt_title);
-
- Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle, &prop);
- XSetWMIconName(xw.dpy, xw.win, &prop);
- XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname);
- XFree(prop.value);
-}
-
-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(MODE_VISIBLE); }
-
-void xdrawline(Line line, int x1, int y1, int x2) {
- int i, x, ox, numspecs;
- Glyph 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 == ATTR_WDUMMY)
- continue;
- if (selected(x, y1))
- new.mode ^= ATTR_REVERSE;
- if (i > 0 && ATTRCMP(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(MODE_REVERSE) ? defaultfg : defaultbg].pixel);
-}
-
-void xximspot(int x, int y) {
- if (xw.ime.xic == NULL)
- 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, NULL);
-}
-
-void expose(XEvent *ev) { redraw(); }
-
-void visibility(XEvent *ev) {
- XVisibilityEvent *e = &ev->xvisibility;
-
- MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE);
-}
-
-void unmap(XEvent *ev) { win.mode &= ~MODE_VISIBLE; }
-
-void xsetpointermotion(int set) {
- MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
-}
-
-void xsetmode(int set, unsigned int flags) {
- int mode = win.mode;
- MODBIT(win.mode, set, flags);
- if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE))
- 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(MODE_FOCUSED)))
- xseturgency(1);
- if (bellvolume)
- XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
-}
-
-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 |= MODE_FOCUSED;
- xseturgency(0);
- if (IS_SET(MODE_FOCUS))
- ttywrite("\033[I", 3, 0);
- } else {
- if (xw.ime.xic)
- XUnsetICFocus(xw.ime.xic);
- win.mode &= ~MODE_FOCUSED;
- if (IS_SET(MODE_FOCUS))
- 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 < LEN(mappedkeys); i++) {
- if (mappedkeys[i] == k)
- break;
- }
- if (i == LEN(mappedkeys)) {
- if ((k & 0xFFFF) < 0xFD00)
- return NULL;
- }
-
- for (kp = key; kp < key + LEN(key); kp++) {
- if (kp->k != k)
- continue;
-
- if (!match(kp->mask, state))
- continue;
-
- if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
- continue;
- if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2)
- continue;
-
- if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
- continue;
-
- return kp->s;
- }
-
- return NULL;
-}
-
-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(MODE_KBDLOCK))
- return;
-
- if (xw.ime.xic)
- len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
- else
- len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
- /* 1. shortcuts */
- for (bp = shortcuts; bp < shortcuts + LEN(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(MODE_8BIT)) {
- if (*buf < 0177) {
- c = *buf | 0x80;
- len = utf8encode(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 |= MODE_FOCUSED;
- xseturgency(0);
- } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
- win.mode &= ~MODE_FOCUSED;
- }
- } 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);
-}
-
-int tinsync(uint);
-int ttyread_pending();
-
-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) || ttyread_pending())
- 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 : NULL;
-
- if (pselect(MAX(xfd, ttyfd) + 1, &rfd, NULL, NULL, tv, NULL) < 0) {
- if (errno == EINTR)
- continue;
- die("select failed: %s\n", strerror(errno));
- }
- clock_gettime(CLOCK_MONOTONIC, &now);
-
- int ttyin = FD_ISSET(ttyfd, &rfd) || ttyread_pending();
- if (ttyin)
- 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 (ttyin || 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 */
- }
-
- if (tinsync(su_timeout)) {
- /*
- * on synchronized-update draw-suspension: don't reset
- * drawing so that we draw ASAP once we can (just after
- * ESU). it won't be too soon because we already can
- * draw now but we skip. we set timeout > 0 to draw on
- * SU-timeout even without new content.
- */
- timeout = minlatency;
- continue;
- }
-
- /* idle detected or maxlatency exhausted -> draw */
- timeout = -1;
- if (blinktimeout && tattrset(ATTR_BLINK)) {
- timeout = blinktimeout - TIMEDIFF(now, lastblink);
- if (timeout <= 0) {
- if (-timeout > blinktimeout) /* start visible */
- win.mode |= MODE_BLINK;
- win.mode ^= MODE_BLINK;
- tsetdirtattr(ATTR_BLINK);
- lastblink = now;
- timeout = blinktimeout;
- }
- }
-
- draw();
- XFlush(xw.dpy);
- drawing = 0;
- }
-}
-
-int resource_load(XrmDatabase db, char *name, enum resource_type rtype,
- void *dst) {
- char **sdst = dst;
- int *idst = dst;
- float *fdst = dst;
-
- char fullname[256];
- char fullclass[256];
- char *type;
- XrmValue ret;
-
- snprintf(fullname, sizeof(fullname), "%s.%s", opt_name ? opt_name : "st",
- name);
- snprintf(fullclass, sizeof(fullclass), "%s.%s", opt_class ? opt_class : "St",
- name);
- fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0';
-
- XrmGetResource(db, fullname, fullclass, &type, &ret);
- if (ret.addr == NULL || strncmp("String", type, 64))
- return 1;
-
- switch (rtype) {
- case STRING:
- *sdst = ret.addr;
- break;
- case INTEGER:
- *idst = strtoul(ret.addr, NULL, 10);
- break;
- case FLOAT:
- *fdst = strtof(ret.addr, NULL);
- break;
- }
- return 0;
-}
-
-void config_init(void) {
- char *resm;
- XrmDatabase db;
- ResourcePref *p;
-
- XrmInitialize();
- resm = XResourceManagerString(xw.dpy);
- if (!resm)
- return;
-
- db = XrmGetStringDatabase(resm);
- for (p = resources; p < resources + LEN(resources); p++)
- resource_load(db, p->name, p->type, p->dst);
-}
-
-void usage(void) {
- die("usage: %s [-aiv] [-c class] [-f font] [-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 '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':
- die("%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) ? "st" : opt_cmd[0];
-
- setlocale(LC_CTYPE, "");
- XSetLocaleModifiers("");
-
- if (!(xw.dpy = XOpenDisplay(NULL)))
- die("Can't open display\n");
-
- config_init();
- cols = MAX(cols, 1);
- rows = MAX(rows, 1);
- tnew(cols, rows);
- xinit(cols, rows);
- xsetenv();
- selinit();
- run();
-
- return 0;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-10 05:44:20 +0000