2321 lines
52 KiB
C
2321 lines
52 KiB
C
/* See LICENSE for license details. */
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#include <errno.h>
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#include <math.h>
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#include <limits.h>
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#include <locale.h>
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#include <signal.h>
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#include <sys/select.h>
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#include <time.h>
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#include <unistd.h>
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#include <libgen.h>
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/cursorfont.h>
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#include <X11/keysym.h>
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#include <X11/Xft/Xft.h>
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#include <X11/XKBlib.h>
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#include <X11/Xresource.h>
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char *argv0;
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#include "arg.h"
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#include "st.h"
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#include "win.h"
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/* types used in config.h */
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typedef struct {
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uint mod;
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KeySym keysym;
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void (*func)(const Arg *);
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const Arg arg;
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} Shortcut;
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typedef struct {
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uint mod;
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uint button;
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void (*func)(const Arg *);
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const Arg arg;
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uint release;
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int altscrn; /* 0: don't care, -1: not alt screen, 1: alt screen */
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} MouseShortcut;
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typedef struct {
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KeySym k;
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uint mask;
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char *s;
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/* three-valued logic variables: 0 indifferent, 1 on, -1 off */
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signed char appkey; /* application keypad */
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signed char appcursor; /* application cursor */
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} Key;
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/* Xresources preferences */
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enum resource_type {
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STRING = 0,
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INTEGER = 1,
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FLOAT = 2
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};
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typedef struct {
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char *name;
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enum resource_type type;
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void *dst;
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} ResourcePref;
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typedef struct {
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const char *env;
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void *val;
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} ShellEnv;
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/* X modifiers */
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#define XK_ANY_MOD UINT_MAX
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#define XK_NO_MOD 0
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#define XK_SWITCH_MOD (1<<13|1<<14)
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/* function definitions used in config.h */
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static void clipcopy(const Arg *);
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static void clippaste(const Arg *);
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static void numlock(const Arg *);
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static void selpaste(const Arg *);
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static void zoom(const Arg *);
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static void zoomabs(const Arg *);
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static void zoomreset(const Arg *);
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static void ttysend(const Arg *);
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/* config.h for applying patches and the configuration. */
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#include "config.h"
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/* XEMBED messages */
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#define XEMBED_FOCUS_IN 4
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#define XEMBED_FOCUS_OUT 5
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/* macros */
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#define IS_SET(flag) ((win.mode & (flag)) != 0)
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#define TRUERED(x) (((x) & 0xff0000) >> 8)
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#define TRUEGREEN(x) (((x) & 0xff00))
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#define TRUEBLUE(x) (((x) & 0xff) << 8)
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typedef XftDraw *Draw;
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typedef XftColor Color;
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typedef XftGlyphFontSpec GlyphFontSpec;
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/* Purely graphic info */
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typedef struct {
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int tw, th; /* tty width and height */
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int w, h; /* window width and height */
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int hborderpx, vborderpx;
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int ch; /* char height */
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int cw; /* char width */
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int mode; /* window state/mode flags */
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int cursor; /* cursor style */
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} TermWindow;
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typedef struct {
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Display *dpy;
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Colormap cmap;
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Window win;
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Drawable buf;
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GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
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Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid;
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struct {
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XIM xim;
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XIC xic;
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XPoint spot;
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XVaNestedList spotlist;
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} ime;
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Draw draw;
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Visual *vis;
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XSetWindowAttributes attrs;
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int scr;
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int isfixed; /* is fixed geometry? */
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int depth; /* bit depth */
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int l, t; /* left and top offset */
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int gm; /* geometry mask */
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} XWindow;
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typedef struct {
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Atom xtarget;
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char *primary, *clipboard;
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struct timespec tclick1;
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struct timespec tclick2;
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} XSelection;
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/* Font structure */
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#define Font Font_
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typedef struct {
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int height;
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int width;
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int ascent;
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int descent;
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int badslant;
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int badweight;
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short lbearing;
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short rbearing;
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XftFont *match;
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FcFontSet *set;
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FcPattern *pattern;
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} Font;
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/* Drawing Context */
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typedef struct {
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Color *col;
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size_t collen;
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Font font, bfont, ifont, ibfont;
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GC gc;
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} DC;
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static inline ushort sixd_to_16bit(int);
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static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
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static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int);
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static void xdrawglyph(Glyph, int, int);
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static void xclear(int, int, int, int);
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static int xgeommasktogravity(int);
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static int ximopen(Display *);
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static void ximinstantiate(Display *, XPointer, XPointer);
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static void ximdestroy(XIM, XPointer, XPointer);
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static int xicdestroy(XIC, XPointer, XPointer);
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static void xinit(int, int);
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static void cresize(int, int);
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static void xresize(int, int);
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static void xhints(void);
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static int xloadcolor(int, const char *, Color *);
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static int xloadfont(Font *, FcPattern *);
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static void xloadfonts(const char *, double);
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static int xloadsparefont(FcPattern *, int);
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static void xloadsparefonts(void);
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static void xunloadfont(Font *);
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static void xunloadfonts(void);
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static void xsetenv(void);
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static void xseturgency(int);
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static int evcol(XEvent *);
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static int evrow(XEvent *);
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static void expose(XEvent *);
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static void visibility(XEvent *);
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static void unmap(XEvent *);
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static void kpress(XEvent *);
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static void cmessage(XEvent *);
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static void resize(XEvent *);
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static void focus(XEvent *);
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static uint buttonmask(uint);
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static int mouseaction(XEvent *, uint);
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static void brelease(XEvent *);
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static void bpress(XEvent *);
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static void bmotion(XEvent *);
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static void propnotify(XEvent *);
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static void selnotify(XEvent *);
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static void selclear_(XEvent *);
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static void selrequest(XEvent *);
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static void setsel(char *, Time);
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static void mousesel(XEvent *, int);
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static void mousereport(XEvent *);
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static char *kmap(KeySym, uint);
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static int match(uint, uint);
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static void run(void);
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static void usage(void);
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static void (*handler[LASTEvent])(XEvent *) = {
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[KeyPress] = kpress,
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[ClientMessage] = cmessage,
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[ConfigureNotify] = resize,
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[VisibilityNotify] = visibility,
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[UnmapNotify] = unmap,
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[Expose] = expose,
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[FocusIn] = focus,
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[FocusOut] = focus,
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[MotionNotify] = bmotion,
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[ButtonPress] = bpress,
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[ButtonRelease] = brelease,
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/*
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* Uncomment if you want the selection to disappear when you select something
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* different in another window.
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*/
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/* [SelectionClear] = selclear_, */
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[SelectionNotify] = selnotify,
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/*
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* PropertyNotify is only turned on when there is some INCR transfer happening
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* for the selection retrieval.
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*/
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[PropertyNotify] = propnotify,
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[SelectionRequest] = selrequest,
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};
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/* Globals */
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static DC dc;
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static XWindow xw;
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static XSelection xsel;
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static TermWindow win;
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/* Font Ring Cache */
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enum {
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FRC_NORMAL,
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FRC_ITALIC,
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FRC_BOLD,
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FRC_ITALICBOLD
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};
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typedef struct {
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XftFont *font;
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int flags;
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Rune unicodep;
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} Fontcache;
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/* Fontcache is an array now. A new font will be appended to the array. */
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static Fontcache *frc = NULL;
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static int frclen = 0;
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static int frccap = 0;
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static char *usedfont = NULL;
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static double usedfontsize = 0;
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static double defaultfontsize = 0;
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static char *opt_alpha = NULL;
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static char *opt_class = NULL;
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static char **opt_cmd = NULL;
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static char *opt_embed = NULL;
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static char *opt_font = NULL;
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static char *opt_io = NULL;
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static char *opt_line = NULL;
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static char *opt_name = NULL;
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static char *opt_title = NULL;
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static uint buttons; /* bit field of pressed buttons */
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void
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clipcopy(const Arg *dummy)
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{
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Atom clipboard;
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free(xsel.clipboard);
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xsel.clipboard = NULL;
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if (xsel.primary != NULL) {
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xsel.clipboard = xstrdup(xsel.primary);
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clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
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XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
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}
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}
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void
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clippaste(const Arg *dummy)
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{
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Atom clipboard;
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clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
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XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard,
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xw.win, CurrentTime);
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}
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void
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selpaste(const Arg *dummy)
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{
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XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY,
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xw.win, CurrentTime);
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}
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void
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numlock(const Arg *dummy)
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{
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win.mode ^= MODE_NUMLOCK;
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}
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void
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zoom(const Arg *arg)
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{
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Arg larg;
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larg.f = usedfontsize + arg->f;
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zoomabs(&larg);
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}
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void
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zoomabs(const Arg *arg)
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{
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xunloadfonts();
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xloadfonts(usedfont, arg->f);
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xloadsparefonts();
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cresize(0, 0);
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redraw();
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xhints();
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}
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void
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zoomreset(const Arg *arg)
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{
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Arg larg;
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if (defaultfontsize > 0) {
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larg.f = defaultfontsize;
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zoomabs(&larg);
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}
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}
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void
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ttysend(const Arg *arg)
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{
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ttywrite(arg->s, strlen(arg->s), 1);
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}
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int
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evcol(XEvent *e)
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{
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int x = e->xbutton.x - win.hborderpx;
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LIMIT(x, 0, win.tw - 1);
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return x / win.cw;
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}
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int
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evrow(XEvent *e)
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{
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int y = e->xbutton.y - win.vborderpx;
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LIMIT(y, 0, win.th - 1);
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return y / win.ch;
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}
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void
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mousesel(XEvent *e, int done)
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{
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int type, seltype = SEL_REGULAR;
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uint state = e->xbutton.state & ~(Button1Mask | forcemousemod);
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for (type = 1; type < LEN(selmasks); ++type) {
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if (match(selmasks[type], state)) {
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seltype = type;
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break;
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}
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}
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selextend(evcol(e), evrow(e), seltype, done);
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if (done)
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setsel(getsel(), e->xbutton.time);
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}
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void
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mousereport(XEvent *e)
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{
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int len, btn, code;
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int x = evcol(e), y = evrow(e);
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int state = e->xbutton.state;
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char buf[40];
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static int ox, oy;
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if (e->type == MotionNotify) {
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if (x == ox && y == oy)
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return;
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if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
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return;
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/* MODE_MOUSEMOTION: no reporting if no button is pressed */
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if (IS_SET(MODE_MOUSEMOTION) && buttons == 0)
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return;
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/* Set btn to lowest-numbered pressed button, or 12 if no
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* buttons are pressed. */
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for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); btn++)
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;
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code = 32;
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} else {
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btn = e->xbutton.button;
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/* Only buttons 1 through 11 can be encoded */
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if (btn < 1 || btn > 11)
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return;
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if (e->type == ButtonRelease) {
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/* MODE_MOUSEX10: no button release reporting */
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if (IS_SET(MODE_MOUSEX10))
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return;
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/* Don't send release events for the scroll wheel */
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if (btn == 4 || btn == 5)
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return;
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}
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code = 0;
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}
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ox = x;
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oy = y;
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/* Encode btn into code. If no button is pressed for a motion event in
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* MODE_MOUSEMANY, then encode it as a release. */
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if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn == 12)
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code += 3;
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else if (btn >= 8)
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code += 128 + btn - 8;
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else if (btn >= 4)
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code += 64 + btn - 4;
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else
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code += btn - 1;
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if (!IS_SET(MODE_MOUSEX10)) {
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code += ((state & ShiftMask ) ? 4 : 0)
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+ ((state & Mod1Mask ) ? 8 : 0) /* meta key: alt */
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+ ((state & ControlMask) ? 16 : 0);
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}
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if (IS_SET(MODE_MOUSESGR)) {
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len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
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code, x+1, y+1,
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e->type == ButtonRelease ? 'm' : 'M');
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} else if (x < 223 && y < 223) {
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len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
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32+code, 32+x+1, 32+y+1);
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} else {
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return;
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}
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ttywrite(buf, len, 0);
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}
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uint
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buttonmask(uint button)
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{
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return button == Button1 ? Button1Mask
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: button == Button2 ? Button2Mask
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: button == Button3 ? Button3Mask
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: button == Button4 ? Button4Mask
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: button == Button5 ? Button5Mask
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: 0;
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}
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int
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mouseaction(XEvent *e, uint release)
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{
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MouseShortcut *ms;
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/* ignore Button<N>mask for Button<N> - it's set on release */
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uint state = e->xbutton.state & ~buttonmask(e->xbutton.button);
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for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
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if (ms->release == release &&
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ms->button == e->xbutton.button &&
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(!ms->altscrn || (ms->altscrn == (tisaltscr() ? 1 : -1))) &&
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(match(ms->mod, state) || /* exact or forced */
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match(ms->mod, state & ~forcemousemod))) {
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ms->func(&(ms->arg));
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return 1;
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}
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}
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return 0;
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}
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void
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bpress(XEvent *e)
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{
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int btn = e->xbutton.button;
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struct timespec now;
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int snap;
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if (1 <= btn && btn <= 11)
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buttons |= 1 << (btn-1);
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if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
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mousereport(e);
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return;
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}
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if (mouseaction(e, 0))
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return;
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if (btn == Button1) {
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/*
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* If the user clicks below predefined timeouts specific
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* snapping behaviour is exposed.
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*/
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clock_gettime(CLOCK_MONOTONIC, &now);
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if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) {
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snap = SNAP_LINE;
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} else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) {
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snap = SNAP_WORD;
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} else {
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snap = 0;
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}
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xsel.tclick2 = xsel.tclick1;
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xsel.tclick1 = now;
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selstart(evcol(e), evrow(e), snap);
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}
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}
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void
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propnotify(XEvent *e)
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{
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XPropertyEvent *xpev;
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Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
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xpev = &e->xproperty;
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if (xpev->state == PropertyNewValue &&
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(xpev->atom == XA_PRIMARY ||
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xpev->atom == clipboard)) {
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selnotify(e);
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}
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}
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void
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selnotify(XEvent *e)
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{
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ulong nitems, ofs, rem;
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int format;
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uchar *data, *last, *repl;
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Atom type, incratom, property = None;
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incratom = XInternAtom(xw.dpy, "INCR", 0);
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ofs = 0;
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if (e->type == SelectionNotify)
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property = e->xselection.property;
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else if (e->type == PropertyNotify)
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property = e->xproperty.atom;
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|
|
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)
|
|
{
|
|
int btn = e->xbutton.button;
|
|
|
|
if (1 <= btn && btn <= 11)
|
|
buttons &= ~(1 << (btn-1));
|
|
|
|
if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
|
|
mousereport(e);
|
|
return;
|
|
}
|
|
|
|
if (mouseaction(e, 1))
|
|
return;
|
|
if (btn == 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);
|
|
|
|
win.hborderpx = (win.w - col * win.cw) / 2;
|
|
win.vborderpx = (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, 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);
|
|
}
|
|
|
|
/* set alpha value of bg color */
|
|
if (opt_alpha)
|
|
alpha = strtof(opt_alpha, NULL);
|
|
dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
|
|
dc.col[defaultbg].pixel &= 0x00FFFFFF;
|
|
dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
|
|
loaded = 1;
|
|
}
|
|
|
|
int
|
|
xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b)
|
|
{
|
|
if (!BETWEEN(x, 0, dc.collen - 1))
|
|
return 1;
|
|
|
|
*r = dc.col[x].color.red >> 8;
|
|
*g = dc.col[x].color.green >> 8;
|
|
*b = dc.col[x].color.blue >> 8;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
xsetcolorname(int x, const char *name)
|
|
{
|
|
Color ncolor;
|
|
|
|
if (!BETWEEN(x, 0, dc.collen - 1))
|
|
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 = 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, 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, root;
|
|
pid_t thispid = getpid();
|
|
XColor xmousefg, xmousebg;
|
|
XWindowAttributes attr;
|
|
XVisualInfo vis;
|
|
|
|
xw.scr = XDefaultScreen(xw.dpy);
|
|
|
|
if (!(opt_embed && (parent = strtol(opt_embed, NULL, 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;
|
|
|
|
/* 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 = XCreateColormap(xw.dpy, parent, xw.vis, None);
|
|
xloadcols();
|
|
|
|
/* adjust fixed window geometry */
|
|
win.w = 2 * win.hborderpx + 2 * borderpx + cols * win.cw;
|
|
win.h = 2 * win.vborderpx + 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;
|
|
|
|
root = XRootWindow(xw.dpy, xw.scr);
|
|
if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
|
|
parent = root;
|
|
xw.win = XCreateWindow(xw.dpy, root, xw.l, xw.t,
|
|
win.w, win.h, 0, xw.depth, InputOutput,
|
|
xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
|
|
| CWEventMask | CWColormap, &xw.attrs);
|
|
if (parent != root)
|
|
XReparentWindow(xw.dpy, xw.win, parent, xw.l, xw.t);
|
|
|
|
memset(&gcvalues, 0, sizeof(gcvalues));
|
|
gcvalues.graphics_exposures = False;
|
|
dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures,
|
|
&gcvalues);
|
|
xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,xw.depth);
|
|
|
|
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 = win.hborderpx + x * win.cw, winy = win.vborderpx + 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 dmode)
|
|
{
|
|
int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
|
|
int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
|
|
width = charlen * win.cw;
|
|
Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
|
|
XRenderColor colfg, colbg;
|
|
|
|
/* 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;
|
|
|
|
if (dmode & DRAW_BG) {
|
|
/* Intelligent cleaning up of the borders. */
|
|
if (x == 0) {
|
|
xclear(0, (y == 0)? 0 : winy, win.hborderpx,
|
|
winy + win.ch +
|
|
((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
|
|
}
|
|
if (winx + width >= win.hborderpx + win.tw) {
|
|
xclear(winx + width, (y == 0)? 0 : winy, win.w,
|
|
((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
|
|
}
|
|
if (y == 0)
|
|
xclear(winx, 0, winx + width, win.vborderpx);
|
|
if (winy + win.ch >= win.vborderpx + 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);
|
|
}
|
|
|
|
if (dmode & DRAW_FG) {
|
|
/* 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 * chscale + 1,
|
|
width, 1);
|
|
}
|
|
|
|
if (base.mode & ATTR_STRUCK) {
|
|
XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3,
|
|
width, 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
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, DRAW_BG | DRAW_FG);
|
|
}
|
|
|
|
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,
|
|
win.hborderpx + cx * win.cw,
|
|
win.vborderpx + (cy + 1) * win.ch - \
|
|
cursorthickness,
|
|
win.cw, cursorthickness);
|
|
break;
|
|
case 5: /* Blinking bar */
|
|
case 6: /* Steady bar */
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
win.hborderpx + cx * win.cw,
|
|
win.vborderpx + cy * win.ch,
|
|
cursorthickness, win.ch);
|
|
break;
|
|
}
|
|
} else {
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
win.hborderpx + cx * win.cw,
|
|
win.vborderpx + cy * win.ch,
|
|
win.cw - 1, 1);
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
win.hborderpx + cx * win.cw,
|
|
win.vborderpx + cy * win.ch,
|
|
1, win.ch - 1);
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
win.hborderpx + (cx + 1) * win.cw - 1,
|
|
win.vborderpx + cy * win.ch,
|
|
1, win.ch - 1);
|
|
XftDrawRect(xw.draw, &drawcol,
|
|
win.hborderpx + cx * win.cw,
|
|
win.vborderpx + (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);
|
|
|
|
if (p[0] == '\0')
|
|
p = opt_title;
|
|
|
|
if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
|
|
&prop) != Success)
|
|
return;
|
|
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);
|
|
|
|
if (p[0] == '\0')
|
|
p = opt_title;
|
|
|
|
if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
|
|
&prop) != Success)
|
|
return;
|
|
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, numspecs_cached;
|
|
Glyph base, new;
|
|
XftGlyphFontSpec *specs;
|
|
|
|
numspecs_cached = xmakeglyphfontspecs(xw.specbuf, &line[x1], x2 - x1, x1, y1);
|
|
|
|
/* Draw line in 2 passes: background and foreground. This way wide glyphs
|
|
won't get truncated (#223) */
|
|
for (int dmode = DRAW_BG; dmode <= DRAW_FG; dmode <<= 1) {
|
|
specs = xw.specbuf;
|
|
numspecs = numspecs_cached;
|
|
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, dmode);
|
|
specs += i;
|
|
numspecs -= i;
|
|
i = 0;
|
|
}
|
|
if (i == 0) {
|
|
ox = x;
|
|
base = new;
|
|
}
|
|
i++;
|
|
}
|
|
if (i > 0)
|
|
xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
|
|
}
|
|
}
|
|
|
|
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 = NoSymbol;
|
|
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);
|
|
if (status == XBufferOverflow)
|
|
return;
|
|
} 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);
|
|
}
|
|
|
|
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 : 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);
|
|
|
|
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(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;
|
|
ShellEnv *se;
|
|
|
|
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);
|
|
|
|
/* Set additional environmental variables from conig */
|
|
for (se = shell_env; se < shell_env + LEN(shell_env); se++)
|
|
setenv(se->env, se->val, 1);
|
|
}
|
|
|
|
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 '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':
|
|
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;
|
|
}
|