Working patched implementation of st

This commit is contained in:
Alex Selimov 2024-11-10 15:04:17 -05:00
parent 9846a56bd7
commit b8616f7b15
10 changed files with 625 additions and 309 deletions

274
x.c
View file

@ -14,6 +14,7 @@
#include <X11/keysym.h>
#include <X11/Xft/Xft.h>
#include <X11/XKBlib.h>
#include <X11/Xresource.h>
char *argv0;
#include "arg.h"
@ -34,6 +35,7 @@ typedef struct {
void (*func)(const Arg *);
const Arg arg;
uint release;
int altscrn; /* 0: don't care, -1: not alt screen, 1: alt screen */
} MouseShortcut;
typedef struct {
@ -45,10 +47,23 @@ typedef struct {
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)
#define XK_SWITCH_MOD (1<<13)
/* function definitions used in config.h */
static void clipcopy(const Arg *);
@ -93,7 +108,7 @@ typedef struct {
Window win;
Drawable buf;
GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid;
Atom xembed, wmdeletewin, netwmname, netwmpid;
struct {
XIM xim;
XIC xic;
@ -105,6 +120,7 @@ typedef struct {
XSetWindowAttributes attrs;
int scr;
int isfixed; /* is fixed geometry? */
int depth; /* bit depth */
int l, t; /* left and top offset */
int gm; /* geometry mask */
} XWindow;
@ -156,7 +172,7 @@ static void xresize(int, int);
static void xhints(void);
static int xloadcolor(int, const char *, Color *);
static int xloadfont(Font *, FcPattern *);
static void xloadfonts(const char *, double);
static void xloadfonts(char *, double);
static void xunloadfont(Font *);
static void xunloadfonts(void);
static void xsetenv(void);
@ -243,6 +259,7 @@ static char *usedfont = NULL;
static double usedfontsize = 0;
static double defaultfontsize = 0;
static char *opt_alpha = NULL;
static char *opt_class = NULL;
static char **opt_cmd = NULL;
static char *opt_embed = NULL;
@ -252,7 +269,7 @@ static char *opt_line = NULL;
static char *opt_name = NULL;
static char *opt_title = NULL;
static uint buttons; /* bit field of pressed buttons */
static int oldbutton = 3; /* button event on startup: 3 = release */
void
clipcopy(const Arg *dummy)
@ -364,68 +381,59 @@ mousesel(XEvent *e, int done)
void
mousereport(XEvent *e)
{
int len, btn, code;
int x = evcol(e), y = evrow(e);
int state = e->xbutton.state;
int len, x = evcol(e), y = evrow(e),
button = e->xbutton.button, state = e->xbutton.state;
char buf[40];
static int ox, oy;
if (e->type == MotionNotify) {
/* from urxvt */
if (e->xbutton.type == MotionNotify) {
if (x == ox && y == oy)
return;
if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
return;
/* MODE_MOUSEMOTION: no reporting if no button is pressed */
if (IS_SET(MODE_MOUSEMOTION) && buttons == 0)
/* MOUSE_MOTION: no reporting if no button is pressed */
if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
return;
/* Set btn to lowest-numbered pressed button, or 12 if no
* buttons are pressed. */
for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); btn++)
;
code = 32;
button = oldbutton + 32;
ox = x;
oy = y;
} else {
btn = e->xbutton.button;
/* Only buttons 1 through 11 can be encoded */
if (btn < 1 || btn > 11)
return;
if (e->type == ButtonRelease) {
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;
/* Don't send release events for the scroll wheel */
if (btn == 4 || btn == 5)
if (button == 64 || button == 65)
return;
}
code = 0;
}
ox = x;
oy = y;
/* Encode btn into code. If no button is pressed for a motion event in
* MODE_MOUSEMANY, then encode it as a release. */
if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn == 12)
code += 3;
else if (btn >= 8)
code += 128 + btn - 8;
else if (btn >= 4)
code += 64 + btn - 4;
else
code += btn - 1;
if (!IS_SET(MODE_MOUSEX10)) {
code += ((state & ShiftMask ) ? 4 : 0)
+ ((state & Mod1Mask ) ? 8 : 0) /* meta key: alt */
+ ((state & ControlMask) ? 16 : 0);
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",
code, x+1, y+1,
e->type == ButtonRelease ? 'm' : 'M');
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+code, 32+x+1, 32+y+1);
32+button, 32+x+1, 32+y+1);
} else {
return;
}
@ -455,6 +463,7 @@ mouseaction(XEvent *e, uint release)
for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
if (ms->release == release &&
ms->button == e->xbutton.button &&
(!ms->altscrn || (ms->altscrn == (tisaltscr() ? 1 : -1))) &&
(match(ms->mod, state) || /* exact or forced */
match(ms->mod, state & ~forcemousemod))) {
ms->func(&(ms->arg));
@ -468,13 +477,9 @@ mouseaction(XEvent *e, uint release)
void
bpress(XEvent *e)
{
int btn = e->xbutton.button;
struct timespec now;
int snap;
if (1 <= btn && btn <= 11)
buttons |= 1 << (btn-1);
if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
mousereport(e);
return;
@ -483,7 +488,7 @@ bpress(XEvent *e)
if (mouseaction(e, 0))
return;
if (btn == Button1) {
if (e->xbutton.button == Button1) {
/*
* If the user clicks below predefined timeouts specific
* snapping behaviour is exposed.
@ -697,11 +702,6 @@ xsetsel(char *str)
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;
@ -709,7 +709,7 @@ brelease(XEvent *e)
if (mouseaction(e, 1))
return;
if (btn == Button1)
if (e->xbutton.button == Button1)
mousesel(e, 1);
}
@ -752,7 +752,7 @@ xresize(int col, int row)
XFreePixmap(xw.dpy, xw.buf);
xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
DefaultDepth(xw.dpy, xw.scr));
xw.depth);
XftDrawChange(xw.draw, xw.buf);
xclear(0, 0, win.w, win.h);
@ -812,28 +812,22 @@ xloadcols(void)
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))
if (!BETWEEN(x, 0, dc.collen))
return 1;
if (!xloadcolor(x, name, &ncolor))
@ -859,8 +853,8 @@ xclear(int x1, int y1, int x2, int y2)
void
xhints(void)
{
XClassHint class = {opt_name ? opt_name : termname,
opt_class ? opt_class : termname};
XClassHint class = {opt_name ? opt_name : "st",
opt_class ? opt_class : "St"};
XWMHints wm = {.flags = InputHint, .input = 1};
XSizeHints *sizeh;
@ -981,7 +975,7 @@ xloadfont(Font *f, FcPattern *pattern)
}
void
xloadfonts(const char *fontstr, double fontsize)
xloadfonts(char *fontstr, double fontsize)
{
FcPattern *pattern;
double fontval;
@ -989,7 +983,7 @@ xloadfonts(const char *fontstr, double fontsize)
if (fontstr[0] == '-')
pattern = XftXlfdParse(fontstr, False, False);
else
pattern = FcNameParse((const FcChar8 *)fontstr);
pattern = FcNameParse((FcChar8 *)fontstr);
if (!pattern)
die("can't open font %s\n", fontstr);
@ -1134,11 +1128,21 @@ xinit(int cols, int rows)
Window parent;
pid_t thispid = getpid();
XColor xmousefg, xmousebg;
XWindowAttributes attr;
XVisualInfo vis;
if (!(xw.dpy = XOpenDisplay(NULL)))
die("can't open display\n");
xw.scr = XDefaultScreen(xw.dpy);
xw.vis = XDefaultVisual(xw.dpy, xw.scr);
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())
@ -1148,7 +1152,7 @@ xinit(int cols, int rows)
xloadfonts(usedfont, 0);
/* colors */
xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
xloadcols();
/* adjust fixed window geometry */
@ -1168,19 +1172,15 @@ xinit(int cols, int rows)
| 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,
win.w, win.h, 0, xw.depth, InputOutput,
xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
| CWEventMask | CWColormap, &xw.attrs);
memset(&gcvalues, 0, sizeof(gcvalues));
gcvalues.graphics_exposures = False;
dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
&gcvalues);
xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
DefaultDepth(xw.dpy, xw.scr));
xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
@ -1217,7 +1217,6 @@ xinit(int cols, int rows)
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);
@ -1493,12 +1492,12 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
/* Render underline and strikethrough. */
if (base.mode & ATTR_UNDERLINE) {
XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1,
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 * chscale / 3,
XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
width, 1);
}
@ -1611,29 +1610,14 @@ xsetenv(void)
setenv("WINDOWID", buf, 1);
}
void
xseticontitle(char *p)
{
XTextProperty prop;
DEFAULT(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 (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop) != Success)
return;
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop);
XSetWMName(xw.dpy, xw.win, &prop);
XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
XFree(prop.value);
@ -1833,7 +1817,7 @@ void
kpress(XEvent *ev)
{
XKeyEvent *e = &ev->xkey;
KeySym ksym = NoSymbol;
KeySym ksym;
char buf[64], *customkey;
int len;
Rune c;
@ -1843,12 +1827,15 @@ kpress(XEvent *ev)
if (IS_SET(MODE_KBDLOCK))
return;
if (xw.ime.xic) {
if (xw.ime.xic)
len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
if (status == XBufferOverflow)
return;
} else {
else
len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
if ( IS_SET(MODE_KBDSELECT) ) {
if ( match(XK_NO_MOD, e->state) ||
(XK_Shift_L | XK_Shift_R) & e->state )
win.mode ^= trt_kbdselect(ksym, buf, len);
return;
}
/* 1. shortcuts */
for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
@ -2014,6 +2001,59 @@ run(void)
}
}
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)
{
@ -2027,6 +2067,14 @@ usage(void)
" [stty_args ...]\n", argv0, argv0);
}
void toggle_winmode(int flag) {
win.mode ^= flag;
}
void keyboard_select(const Arg *dummy) {
win.mode ^= trt_kbdselect(-1, NULL, 0);
}
int
main(int argc, char *argv[])
{
@ -2038,6 +2086,9 @@ main(int argc, char *argv[])
case 'a':
allowaltscreen = 0;
break;
case 'A':
opt_alpha = EARGF(usage());
break;
case 'c':
opt_class = EARGF(usage());
break;
@ -2087,6 +2138,11 @@ run:
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);