Clean

1 files changed, 0 insertions, 732 deletions

diff --git a/.repos/sent/sent.c b/.repos/sent/sent.c
deleted file mode 100644
index eb7b503..0000000
--- a/.repos/sent/sent.c
+++ /dev/null
@@ -1,732 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include <sys/types.h>
-#include <arpa/inet.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <math.h>
-#include <regex.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <X11/keysym.h>
-#include <X11/XKBlib.h>
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xft/Xft.h>
-
-#include "arg.h"
-#include "util.h"
-#include "drw.h"
-
-char *argv0;
-
-int use_dark_scheme = 0;
-
-/* macros */
-#define LEN(a)         (sizeof(a) / sizeof(a)[0])
-#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
-#define MAXFONTSTRLEN  128
-
-typedef enum {
-	NONE = 0,
-	SCALED = 1,
-} imgstate;
-
-typedef struct {
-	unsigned char *buf;
-	unsigned int bufwidth, bufheight;
-	imgstate state;
-	XImage *ximg;
-	int numpasses;
-} Image;
-
-typedef struct {
-	char *regex;
-	char *bin;
-} Filter;
-
-typedef struct {
-	unsigned int linecount;
-	char **lines;
-	Image *img;
-	char *embed;
-} Slide;
-
-/* Purely graphic info */
-typedef struct {
-	Display *dpy;
-	Window win;
-	Atom wmdeletewin, netwmname;
-	Visual *vis;
-	XSetWindowAttributes attrs;
-	int scr;
-	int w, h;
-	int uw, uh; /* usable dimensions for drawing text and images */
-} XWindow;
-
-typedef union {
-	int i;
-	unsigned int ui;
-	float f;
-	const void *v;
-} Arg;
-
-typedef struct {
-	unsigned int b;
-	void (*func)(const Arg *);
-	const Arg arg;
-} Mousekey;
-
-typedef struct {
-	KeySym keysym;
-	void (*func)(const Arg *);
-	const Arg arg;
-} Shortcut;
-
-static void fffree(Image *img);
-static void ffload(Slide *s);
-static void ffprepare(Image *img);
-static void ffscale(Image *img);
-static void ffdraw(Image *img);
-
-static void getfontsize(Slide *s, unsigned int *width, unsigned int *height);
-static void cleanup(int slidesonly);
-static void reload(const Arg *arg);
-static void load(FILE *fp);
-static void advance(const Arg *arg);
-static void toggle_theme(const Arg *arg);
-static void quit(const Arg *arg);
-static void resize(int width, int height);
-static void run();
-static void usage();
-static void xdraw();
-static void xhints();
-static void xinit();
-static void xloadfonts();
-
-static void bpress(XEvent *);
-static void cmessage(XEvent *);
-static void expose(XEvent *);
-static void kpress(XEvent *);
-static void configure(XEvent *);
-
-/* config.h for applying patches and the configuration. */
-#include "config.h"
-
-/* Globals */
-static const char *fname = NULL;
-static Slide *slides = NULL;
-static int idx = 0;
-static int slidecount = 0;
-static XWindow xw;
-static Drw *d = NULL;
-static Clr *sc;
-static Fnt *fonts[NUMFONTSCALES];
-static int running = 1;
-
-static void (*handler[LASTEvent])(XEvent *) = {
-	[ButtonPress] = bpress,
-	[ClientMessage] = cmessage,
-	[ConfigureNotify] = configure,
-	[Expose] = expose,
-	[KeyPress] = kpress,
-};
-
-int
-filter(int fd, const char *cmd)
-{
-	int fds[2];
-
-	if (pipe(fds) < 0)
-		die("sent: Unable to create pipe:");
-
-	switch (fork()) {
-	case -1:
-		die("sent: Unable to fork:");
-	case 0:
-		dup2(fd, 0);
-		dup2(fds[1], 1);
-		close(fds[0]);
-		close(fds[1]);
-		execlp("sh", "sh", "-c", cmd, (char *)0);
-		fprintf(stderr, "sent: execlp sh -c '%s': %s\n", cmd, strerror(errno));
-		_exit(1);
-	}
-	close(fds[1]);
-	return fds[0];
-}
-
-void
-fffree(Image *img)
-{
-	free(img->buf);
-	if (img->ximg)
-		XDestroyImage(img->ximg);
-	free(img);
-}
-
-void
-ffload(Slide *s)
-{
-	uint32_t y, x;
-	uint16_t *row;
-	uint8_t opac, fg_r, fg_g, fg_b, bg_r, bg_g, bg_b;
-	size_t rowlen, off, nbytes, i;
-	ssize_t count;
-	unsigned char hdr[16];
-	char *bin = NULL;
-	char *filename;
-	regex_t regex;
-	int fdin, fdout;
-
-	if (s->img || !(filename = s->embed) || !s->embed[0])
-		return; /* already done */
-
-	for (i = 0; i < LEN(filters); i++) {
-		if (regcomp(&regex, filters[i].regex,
-		            REG_NOSUB | REG_EXTENDED | REG_ICASE)) {
-			fprintf(stderr, "sent: Invalid regex '%s'\n", filters[i].regex);
-			continue;
-		}
-		if (!regexec(&regex, filename, 0, NULL, 0)) {
-			bin = filters[i].bin;
-			regfree(&regex);
-			break;
-		}
-		regfree(&regex);
-	}
-	if (!bin)
-		die("sent: Unable to find matching filter for '%s'", filename);
-
-	if ((fdin = open(filename, O_RDONLY)) < 0)
-		die("sent: Unable to open '%s':", filename);
-
-	if ((fdout = filter(fdin, bin)) < 0)
-		die("sent: Unable to filter '%s':", filename);
-	close(fdin);
-
-	if (read(fdout, hdr, 16) != 16)
-		die("sent: Unable to read filtered file '%s':", filename);
-	if (memcmp("farbfeld", hdr, 8))
-		die("sent: Filtered file '%s' has no valid farbfeld header", filename);
-
-	s->img = ecalloc(1, sizeof(Image));
-	s->img->bufwidth = ntohl(*(uint32_t *)&hdr[8]);
-	s->img->bufheight = ntohl(*(uint32_t *)&hdr[12]);
-
-	if (s->img->buf)
-		free(s->img->buf);
-	/* internally the image is stored in 888 format */
-	s->img->buf = ecalloc(s->img->bufwidth * s->img->bufheight, strlen("888"));
-
-	/* scratch buffer to read row by row */
-	rowlen = s->img->bufwidth * 2 * strlen("RGBA");
-	row = ecalloc(1, rowlen);
-
-	/* extract window background color channels for transparency */
-	bg_r = (sc[ColBg].pixel >> 16) % 256;
-	bg_g = (sc[ColBg].pixel >>  8) % 256;
-	bg_b = (sc[ColBg].pixel >>  0) % 256;
-
-	for (off = 0, y = 0; y < s->img->bufheight; y++) {
-		nbytes = 0;
-		while (nbytes < rowlen) {
-			count = read(fdout, (char *)row + nbytes, rowlen - nbytes);
-			if (count < 0)
-				die("sent: Unable to read from pipe:");
-			nbytes += count;
-		}
-		for (x = 0; x < rowlen / 2; x += 4) {
-			fg_r = ntohs(row[x + 0]) / 257;
-			fg_g = ntohs(row[x + 1]) / 257;
-			fg_b = ntohs(row[x + 2]) / 257;
-			opac = ntohs(row[x + 3]) / 257;
-			/* blend opaque part of image data with window background color to
-			 * emulate transparency */
-			s->img->buf[off++] = (fg_r * opac + bg_r * (255 - opac)) / 255;
-			s->img->buf[off++] = (fg_g * opac + bg_g * (255 - opac)) / 255;
-			s->img->buf[off++] = (fg_b * opac + bg_b * (255 - opac)) / 255;
-		}
-	}
-
-	free(row);
-	close(fdout);
-}
-
-void
-ffprepare(Image *img)
-{
-	int depth = DefaultDepth(xw.dpy, xw.scr);
-	int width = xw.uw;
-	int height = xw.uh;
-
-	if (xw.uw * img->bufheight > xw.uh * img->bufwidth)
-		width = img->bufwidth * xw.uh / img->bufheight;
-	else
-		height = img->bufheight * xw.uw / img->bufwidth;
-
-	if (depth < 24)
-		die("sent: Display color depths < 24 not supported");
-
-	if (!(img->ximg = XCreateImage(xw.dpy, CopyFromParent, depth, ZPixmap, 0,
-	                               NULL, width, height, 32, 0)))
-		die("sent: Unable to create XImage");
-
-	img->ximg->data = ecalloc(height, img->ximg->bytes_per_line);
-	if (!XInitImage(img->ximg))
-		die("sent: Unable to initiate XImage");
-
-	ffscale(img);
-	img->state |= SCALED;
-}
-
-void
-ffscale(Image *img)
-{
-	unsigned int x, y;
-	unsigned int width = img->ximg->width;
-	unsigned int height = img->ximg->height;
-	char* newBuf = img->ximg->data;
-	unsigned char* ibuf;
-	unsigned int jdy = img->ximg->bytes_per_line / 4 - width;
-	unsigned int dx = (img->bufwidth << 10) / width;
-
-	for (y = 0; y < height; y++) {
-		unsigned int bufx = img->bufwidth / width;
-		ibuf = &img->buf[y * img->bufheight / height * img->bufwidth * 3];
-
-		for (x = 0; x < width; x++) {
-			*newBuf++ = (ibuf[(bufx >> 10)*3+2]);
-			*newBuf++ = (ibuf[(bufx >> 10)*3+1]);
-			*newBuf++ = (ibuf[(bufx >> 10)*3+0]);
-			newBuf++;
-			bufx += dx;
-		}
-		newBuf += jdy;
-	}
-}
-
-void
-ffdraw(Image *img)
-{
-	int xoffset = (xw.w - img->ximg->width) / 2;
-	int yoffset = (xw.h - img->ximg->height) / 2;
-	XPutImage(xw.dpy, xw.win, d->gc, img->ximg, 0, 0,
-	          xoffset, yoffset, img->ximg->width, img->ximg->height);
-	XFlush(xw.dpy);
-}
-
-void
-getfontsize(Slide *s, unsigned int *width, unsigned int *height)
-{
-	int i, j;
-	unsigned int curw, newmax;
-	float lfac = linespacing * (s->linecount - 1) + 1;
-
-	/* fit height */
-	for (j = NUMFONTSCALES - 1; j >= 0; j--)
-		if (fonts[j]->h * lfac <= xw.uh)
-			break;
-	LIMIT(j, 0, NUMFONTSCALES - 1);
-	drw_setfontset(d, fonts[j]);
-
-	/* fit width */
-	*width = 0;
-	for (i = 0; i < s->linecount; i++) {
-		curw = drw_fontset_getwidth(d, s->lines[i]);
-		newmax = (curw >= *width);
-		while (j > 0 && curw > xw.uw) {
-			drw_setfontset(d, fonts[--j]);
-			curw = drw_fontset_getwidth(d, s->lines[i]);
-		}
-		if (newmax)
-			*width = curw;
-	}
-	*height = fonts[j]->h * lfac;
-}
-
-void
-cleanup(int slidesonly)
-{
-	unsigned int i, j;
-
-	if (!slidesonly) {
-		for (i = 0; i < NUMFONTSCALES; i++)
-			drw_fontset_free(fonts[i]);
-		free(sc);
-		drw_free(d);
-
-		XDestroyWindow(xw.dpy, xw.win);
-		XSync(xw.dpy, False);
-		XCloseDisplay(xw.dpy);
-	}
-
-	if (slides) {
-		for (i = 0; i < slidecount; i++) {
-			for (j = 0; j < slides[i].linecount; j++)
-				free(slides[i].lines[j]);
-			free(slides[i].lines);
-			if (slides[i].img)
-				fffree(slides[i].img);
-		}
-		if (!slidesonly) {
-			free(slides);
-			slides = NULL;
-		}
-	}
-}
-
-void
-reload(const Arg *arg)
-{
-	FILE *fp = NULL;
-	unsigned int i;
-
-	if (!fname) {
-		fprintf(stderr, "sent: Cannot reload from stdin. Use a file!\n");
-		return;
-	}
-
-	cleanup(1);
-	slidecount = 0;
-
-	if (!(fp = fopen(fname, "r")))
-		die("sent: Unable to open '%s' for reading:", fname);
-	load(fp);
-	fclose(fp);
-
-	LIMIT(idx, 0, slidecount-1);
-	for (i = 0; i < slidecount; i++)
-		ffload(&slides[i]);
-	xdraw();
-}
-
-void
-load(FILE *fp)
-{
-	static size_t size = 0;
-	size_t blen, maxlines;
-	char buf[BUFSIZ], *p;
-	Slide *s;
-
-	/* read each line from fp and add it to the item list */
-	while (1) {
-		/* eat consecutive empty lines */
-		while ((p = fgets(buf, sizeof(buf), fp)))
-			if (strcmp(buf, "\n") != 0 && buf[0] != '#')
-				break;
-		if (!p)
-			break;
-
-		if ((slidecount+1) * sizeof(*slides) >= size)
-			if (!(slides = realloc(slides, (size += BUFSIZ))))
-				die("sent: Unable to reallocate %u bytes:", size);
-
-		/* read one slide */
-		maxlines = 0;
-		memset((s = &slides[slidecount]), 0, sizeof(Slide));
-		do {
-			/* if there's a leading null, we can't do blen-1 */
-			if (buf[0] == '\0')
-				continue;
-
-			if (buf[0] == '#')
-				continue;
-
-			/* grow lines array */
-			if (s->linecount >= maxlines) {
-				maxlines = 2 * s->linecount + 1;
-				if (!(s->lines = realloc(s->lines, maxlines * sizeof(s->lines[0]))))
-					die("sent: Unable to reallocate %u bytes:", maxlines * sizeof(s->lines[0]));
-			}
-
-			blen = strlen(buf);
-			if (!(s->lines[s->linecount] = strdup(buf)))
-				die("sent: Unable to strdup:");
-			if (s->lines[s->linecount][blen-1] == '\n')
-				s->lines[s->linecount][blen-1] = '\0';
-
-			/* mark as image slide if first line of a slide starts with @ */
-			if (s->linecount == 0 && s->lines[0][0] == '@')
-				s->embed = &s->lines[0][1];
-
-			if (s->lines[s->linecount][0] == '\\')
-				memmove(s->lines[s->linecount], &s->lines[s->linecount][1], blen);
-			s->linecount++;
-		} while ((p = fgets(buf, sizeof(buf), fp)) && strcmp(buf, "\n") != 0);
-
-		slidecount++;
-		if (!p)
-			break;
-	}
-
-	if (!slidecount)
-		die("sent: No slides in file");
-}
-
-void
-advance(const Arg *arg)
-{
-	int new_idx = idx + arg->i;
-	LIMIT(new_idx, 0, slidecount-1);
-	if (new_idx != idx) {
-		if (slides[idx].img)
-			slides[idx].img->state &= ~SCALED;
-		idx = new_idx;
-		xdraw();
-	}
-}
-
-void
-toggle_theme(const Arg *arg)
-{
-	use_dark_scheme ^= 1;
-	if (use_dark_scheme)
-		sc = drw_scm_create(d, dark_colors, 2);
-	else
-		sc = drw_scm_create(d, colors, 2);
-	drw_setscheme(d, sc);
-	reload(NULL);
-}
-
-void
-quit(const Arg *arg)
-{
-	running = 0;
-}
-
-void
-resize(int width, int height)
-{
-	xw.w = width;
-	xw.h = height;
-	xw.uw = usablewidth * width;
-	xw.uh = usableheight * height;
-	drw_resize(d, width, height);
-}
-
-void
-run()
-{
-	XEvent ev;
-
-	/* Waiting for window mapping */
-	while (1) {
-		XNextEvent(xw.dpy, &ev);
-		if (ev.type == ConfigureNotify) {
-			resize(ev.xconfigure.width, ev.xconfigure.height);
-		} else if (ev.type == MapNotify) {
-			break;
-		}
-	}
-
-	while (running) {
-		XNextEvent(xw.dpy, &ev);
-		if (handler[ev.type])
-			(handler[ev.type])(&ev);
-	}
-}
-
-void
-xdraw()
-{
-	unsigned int height, width, i;
-	Image *im = slides[idx].img;
-
-	getfontsize(&slides[idx], &width, &height);
-	XClearWindow(xw.dpy, xw.win);
-
-	if (!im) {
-		drw_rect(d, 0, 0, xw.w, xw.h, 1, 1);
-		for (i = 0; i < slides[idx].linecount; i++)
-			drw_text(d,
-			         (xw.w - width) / 2,
-			         (xw.h - height) / 2 + i * linespacing * d->fonts->h,
-			         width,
-			         d->fonts->h,
-			         0,
-			         slides[idx].lines[i],
-			         0);
-		drw_map(d, xw.win, 0, 0, xw.w, xw.h);
-	} else {
-		if (!(im->state & SCALED))
-			ffprepare(im);
-		ffdraw(im);
-	}
-}
-
-void
-xhints()
-{
-	XClassHint class = {.res_name = "sent", .res_class = "presenter"};
-	XWMHints wm = {.flags = InputHint, .input = True};
-	XSizeHints *sizeh = NULL;
-
-	if (!(sizeh = XAllocSizeHints()))
-		die("sent: Unable to allocate size hints");
-
-	sizeh->flags = PSize;
-	sizeh->height = xw.h;
-	sizeh->width = xw.w;
-
-	XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
-	XFree(sizeh);
-}
-
-void
-xinit()
-{
-	XTextProperty prop;
-	unsigned int i;
-
-	if (!(xw.dpy = XOpenDisplay(NULL)))
-		die("sent: Unable to open display");
-	xw.scr = XDefaultScreen(xw.dpy);
-	xw.vis = XDefaultVisual(xw.dpy, xw.scr);
-	resize(DisplayWidth(xw.dpy, xw.scr), DisplayHeight(xw.dpy, xw.scr));
-
-	xw.attrs.bit_gravity = CenterGravity;
-	xw.attrs.event_mask = KeyPressMask | ExposureMask | StructureNotifyMask |
-	                      ButtonMotionMask | ButtonPressMask;
-
-	xw.win = XCreateWindow(xw.dpy, XRootWindow(xw.dpy, xw.scr), 0, 0,
-	                       xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr),
-	                       InputOutput, xw.vis, CWBitGravity | CWEventMask,
-	                       &xw.attrs);
-
-	xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
-	xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
-	XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
-
-	if (!(d = drw_create(xw.dpy, xw.scr, xw.win, xw.w, xw.h)))
-		die("sent: Unable to create drawing context");
-
-	if (use_dark_scheme)
-		sc = drw_scm_create(d, dark_colors, 2);
-	else
-		sc = drw_scm_create(d, colors, 2);
-	drw_setscheme(d, sc);
-	XSetWindowBackground(xw.dpy, xw.win, sc[ColBg].pixel);
-
-	xloadfonts();
-	for (i = 0; i < slidecount; i++)
-		ffload(&slides[i]);
-
-	XStringListToTextProperty(&argv0, 1, &prop);
-	XSetWMName(xw.dpy, xw.win, &prop);
-	XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
-	XFree(prop.value);
-	XMapWindow(xw.dpy, xw.win);
-	xhints();
-	XSync(xw.dpy, False);
-}
-
-void
-xloadfonts()
-{
-	int i, j;
-	char *fstrs[LEN(fontfallbacks)];
-
-	for (j = 0; j < LEN(fontfallbacks); j++) {
-		fstrs[j] = ecalloc(1, MAXFONTSTRLEN);
-	}
-
-	for (i = 0; i < NUMFONTSCALES; i++) {
-		for (j = 0; j < LEN(fontfallbacks); j++) {
-			if (MAXFONTSTRLEN < snprintf(fstrs[j], MAXFONTSTRLEN, "%s:size=%d", fontfallbacks[j], FONTSZ(i)))
-				die("sent: Font string too long");
-		}
-		if (!(fonts[i] = drw_fontset_create(d, (const char**)fstrs, LEN(fstrs))))
-			die("sent: Unable to load any font for size %d", FONTSZ(i));
-	}
-
-	for (j = 0; j < LEN(fontfallbacks); j++)
-		if (fstrs[j])
-			free(fstrs[j]);
-}
-
-void
-bpress(XEvent *e)
-{
-	unsigned int i;
-
-	for (i = 0; i < LEN(mshortcuts); i++)
-		if (e->xbutton.button == mshortcuts[i].b && mshortcuts[i].func)
-			mshortcuts[i].func(&(mshortcuts[i].arg));
-}
-
-void
-cmessage(XEvent *e)
-{
-	if (e->xclient.data.l[0] == xw.wmdeletewin)
-		running = 0;
-}
-
-void
-expose(XEvent *e)
-{
-	if (0 == e->xexpose.count)
-		xdraw();
-}
-
-void
-kpress(XEvent *e)
-{
-	unsigned int i;
-	KeySym sym;
-
-	sym = XkbKeycodeToKeysym(xw.dpy, (KeyCode)e->xkey.keycode, 0, 0);
-	for (i = 0; i < LEN(shortcuts); i++)
-		if (sym == shortcuts[i].keysym && shortcuts[i].func)
-			shortcuts[i].func(&(shortcuts[i].arg));
-}
-
-void
-configure(XEvent *e)
-{
-	resize(e->xconfigure.width, e->xconfigure.height);
-	if (slides[idx].img)
-		slides[idx].img->state &= ~SCALED;
-	xdraw();
-}
-
-void
-usage()
-{
-	die("usage: %s [file]", argv0);
-}
-
-int
-main(int argc, char *argv[])
-{
-	FILE *fp = NULL;
-
-	ARGBEGIN {
-	case 'v':
-		fprintf(stderr, "sent-"VERSION"\n");
-		return 0;
-	case 'd':
-		use_dark_scheme = 1;
-		break;
-	default:
-		usage();
-	} ARGEND
-
-	if (!argv[0] || !strcmp(argv[0], "-"))
-		fp = stdin;
-	else if (!(fp = fopen(fname = argv[0], "r")))
-		die("sent: Unable to open '%s' for reading:", fname);
-	load(fp);
-	fclose(fp);
-
-	xinit();
-	run();
-
-	cleanup(0);
-	return 0;
-}