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	st-copyurl-0.8.4.diff - sites - public wiki contents of suckless.org
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	st-copyurl-0.8.4.diff (4476B)
	---
	1 diff -up ../st-0.8.4/config.def.h ./config.def.h
	2 --- ../st-0.8.4/config.def.h 2020-06-19 10:29:45.000000000 +0100
	3 +++ ./config.def.h 2021-01-29 22:40:56.451916768 +0000
	4 @@ -199,6 +199,7 @@ static Shortcut shortcuts[] = {
	5 { TERMMOD, XK_Y, selpaste, {.i = …
	6 { ShiftMask, XK_Insert, selpaste, {.i = …
	7 { TERMMOD, XK_Num_Lock, numlock, {.i = …
	8 + { MODKEY, XK_l, copyurl, {.i = …
	9 };
	10
	11 /*
	12 diff -up ../st-0.8.4/st.c ./st.c
	13 --- ../st-0.8.4/st.c 2020-06-19 10:29:45.000000000 +0100
	14 +++ ./st.c 2021-01-29 22:41:18.031954197 +0000
	15 @@ -200,6 +200,8 @@ static void tdefutf8(char);
	16 static int32_t tdefcolor(int , int , int);
	17 static void tdeftran(char);
	18 static void tstrsequence(uchar);
	19 +static void tsetcolor(int, int, int, uint32_t, uint32_t);
	20 +static char * findlastany(char , const char*, size_t);
	21
	22 static void drawregion(int, int, int, int);
	23
	24 @@ -2595,3 +2597,122 @@ redraw(void)
	25 tfulldirt();
	26 draw();
	27 }
	28 +
	29 +void
	30 +tsetcolor( int row, int start, int end, uint32_t fg, uint32_t bg )
	31 +{
	32 + int i = start;
	33 + for( ; i < end; ++i )
	34 + {
	35 + term.line[row][i].fg = fg;
	36 + term.line[row][i].bg = bg;
	37 + }
	38 +}
	39 +
	40 +char *
	41 +findlastany(char str, const char* find, size_t len)
	42 +{
	43 + char* found = NULL;
	44 + int i = 0;
	45 + for(found = str + strlen(str) - 1; found >= str; --found) {
	46 + for(i = 0; i < len; i++) {
	47 + if(strncmp(found, find[i], strlen(find[i])) == …
	48 + return found;
	49 + }
	50 + }
	51 + }
	52 +
	53 + return NULL;
	54 +}
	55 +
	56 +/*
	57 +** Select and copy the previous url on screen (do nothing if there's no…
	58 +**
	59 +** FIXME: doesn't handle urls that span multiple lines; will need to ad…
	60 +** for multiline "getsel()" first
	61 +*/
	62 +void
	63 +copyurl(const Arg *arg) {
	64 + /* () and [] can appear in urls, but excluding them here will r…
	65 + * positives when figuring out where a given url ends.
	66 + */
	67 + static char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	68 + "abcdefghijklmnopqrstuvwxyz"
	69 + "0123456789-._~:/?#@!$&'*+,;=%";
	70 +
	71 + static const char* URLSTRINGS[] = {"http://", "https://"};
	72 +
	73 + /* remove highlighting from previous selection if any */
	74 + if(sel.ob.x >= 0 && sel.oe.x >= 0)
	75 + tsetcolor(sel.nb.y, sel.ob.x, sel.oe.x + 1, defaultfg, …
	76 +
	77 + int i = 0,
	78 + row = 0, /* row of current URL */
	79 + col = 0, /* column of current URL start */
	80 + startrow = 0, /* row of last occurrence */
	81 + colend = 0, /* column of last occurrence */
	82 + passes = 0; /* how many rows have been scanned */
	83 +
	84 + char *linestr = calloc(term.col+1, sizeof(Rune));
	85 + char *c = NULL,
	86 + *match = NULL;
	87 +
	88 + row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y : term.bot;
	89 + LIMIT(row, term.top, term.bot);
	90 + startrow = row;
	91 +
	92 + colend = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.x : term.col;
	93 + LIMIT(colend, 0, term.col);
	94 +
	95 + /*
	96 + ** Scan from (term.bot,term.col) to (0,0) and find
	97 + ** next occurrance of a URL
	98 + */
	99 + while(passes !=term.bot + 2) {
	100 + /* Read in each column of every row until
	101 + ** we hit previous occurrence of URL
	102 + */
	103 + for (col = 0, i = 0; col < colend; ++col,++i) {
	104 + linestr[i] = term.line[row][col].u;
	105 + }
	106 + linestr[term.col] = '\0';
	107 +
	108 + if ((match = findlastany(linestr, URLSTRINGS,
	109 + sizeof(URLSTRINGS)/size…
	110 + break;
	111 +
	112 + if (--row < term.top)
	113 + row = term.bot;
	114 +
	115 + colend = term.col;
	116 + passes++;
	117 + };
	118 +
	119 + if (match) {
	120 + /* must happen before trim */
	121 + selclear();
	122 + sel.ob.x = strlen(linestr) - strlen(match);
	123 +
	124 + /* trim the rest of the line from the url match */
	125 + for (c = match; *c != '\0'; ++c)
	126 + if (!strchr(URLCHARS, *c)) {
	127 + *c = '\0';
	128 + break;
	129 + }
	130 +
	131 + /* highlight selection by inverting terminal colors */
	132 + tsetcolor(row, sel.ob.x, sel.ob.x + strlen( match ), de…
	133 +
	134 + /* select and copy */
	135 + sel.mode = 1;
	136 + sel.type = SEL_REGULAR;
	137 + sel.oe.x = sel.ob.x + strlen(match)-1;
	138 + sel.ob.y = sel.oe.y = row;
	139 + selnormalize();
	140 + tsetdirt(sel.nb.y, sel.ne.y);
	141 + xsetsel(getsel());
	142 + xclipcopy();
	143 + }
	144 +
	145 + free(linestr);
	146 +}
	147 Only in .: st-copyurl-0.8.4.diff
	148 Only in .: st-copyurl-20190202-3be4cf1.diff
	149 diff -up ../st-0.8.4/st.h ./st.h
	150 --- ../st-0.8.4/st.h 2020-06-19 10:29:45.000000000 +0100
	151 +++ ./st.h 2021-01-29 22:40:56.451916768 +0000
	152 @@ -85,6 +85,7 @@ void printscreen(const Arg *);
	153 void printsel(const Arg *);
	154 void sendbreak(const Arg *);
	155 void toggleprinter(const Arg *);
	156 +void copyurl(const Arg *);
	157
	158 int tattrset(int);
	159 void tnew(int, int);