st-copyurl-20220217-0.8.5.diff (3808B)
1 From eacbcf7de84e81a27759d086ad1a5ea9e41f9894 Mon Sep 17 00:00:00 2001 2 From: Santtu Lakkala <inz@inz.fi> 3 Date: Wed, 16 Feb 2022 20:34:20 +0200 4 Subject: [PATCH] Loop through urls on screen and copy to clipboard 5 6 Based on the previous highlighting patches, slightly simplified and 7 fixes graphical issues with mixed copyurl and selection. 8 --- 9 config.def.h | 1 + 10 st.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 11 st.h | 1 + 12 3 files changed, 83 insertions(+) 13 14 diff --git a/config.def.h b/config.def.h 15 index 91ab8ca..3f365c7 100644 16 --- a/config.def.h 17 +++ b/config.def.h 18 @@ -201,6 +201,7 @@ static Shortcut shortcuts[] = { 19 { TERMMOD, XK_Y, selpaste, {.i = 0} }, 20 { ShiftMask, XK_Insert, selpaste, {.i = 0} }, 21 { TERMMOD, XK_Num_Lock, numlock, {.i = 0} }, 22 + { MODKEY, XK_l, copyurl, {.i = 0} }, 23 }; 24 25 /* 26 diff --git a/st.c b/st.c 27 index 51049ba..931b29f 100644 28 --- a/st.c 29 +++ b/st.c 30 @@ -200,6 +200,7 @@ static void tdefutf8(char); 31 static int32_t tdefcolor(const int *, int *, int); 32 static void tdeftran(char); 33 static void tstrsequence(uchar); 34 +static const char *findlastany(const char *, const char**, size_t); 35 36 static void drawregion(int, int, int, int); 37 38 @@ -2688,3 +2689,83 @@ redraw(void) 39 tfulldirt(); 40 draw(); 41 } 42 + 43 +const char * 44 +findlastany(const char *str, const char**find, size_t len) 45 +{ 46 + const char *found = NULL; 47 + int i = 0; 48 + 49 + for (found = str + strlen(str) - 1; found >= str; --found) { 50 + for(i = 0; i < len; i++) { 51 + if (strncmp(found, find[i], strlen(find[i])) == 0) { 52 + return found; 53 + } 54 + } 55 + } 56 + 57 + return NULL; 58 +} 59 + 60 +/* 61 +** Select and copy the previous url on screen (do nothing if there's no url). 62 +** 63 +** FIXME: doesn't handle urls that span multiple lines; will need to add support 64 +** for multiline "getsel()" first 65 +*/ 66 +void 67 +copyurl(const Arg *arg) { 68 + /* () and [] can appear in urls, but excluding them here will reduce false 69 + * positives when figuring out where a given url ends. 70 + */ 71 + static const char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" 72 + "abcdefghijklmnopqrstuvwxyz" 73 + "0123456789-._~:/?#@!$&'*+,;=%"; 74 + 75 + static const char* URLSTRINGS[] = {"http://", "https://"}; 76 + 77 + int row = 0, /* row of current URL */ 78 + col = 0, /* column of current URL start */ 79 + colend = 0, /* column of last occurrence */ 80 + passes = 0; /* how many rows have been scanned */ 81 + 82 + char linestr[term.col + 1]; 83 + const char *c = NULL, 84 + *match = NULL; 85 + 86 + row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y : term.bot; 87 + LIMIT(row, term.top, term.bot); 88 + 89 + colend = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.x : term.col; 90 + LIMIT(colend, 0, term.col); 91 + 92 + /* 93 + ** Scan from (term.row - 1,term.col - 1) to (0,0) and find 94 + ** next occurrance of a URL 95 + */ 96 + for (passes = 0; passes < term.row; passes++) { 97 + /* Read in each column of every row until 98 + ** we hit previous occurrence of URL 99 + */ 100 + for (col = 0; col < colend; ++col) 101 + linestr[col] = term.line[row][col].u < 128 ? term.line[row][col].u : ' '; 102 + linestr[col] = '\0'; 103 + 104 + if ((match = findlastany(linestr, URLSTRINGS, 105 + sizeof(URLSTRINGS)/sizeof(URLSTRINGS[0])))) 106 + break; 107 + 108 + if (--row < 0) 109 + row = term.row - 1; 110 + 111 + colend = term.col; 112 + }; 113 + 114 + if (match) { 115 + size_t l = strspn(match, URLCHARS); 116 + selstart(match - linestr, row, 1); 117 + selextend(match - linestr + l - 1, row, 1, SEL_REGULAR); 118 + xsetsel(getsel()); 119 + xclipcopy(); 120 + } 121 +} 122 diff --git a/st.h b/st.h 123 index 519b9bd..0458005 100644 124 --- a/st.h 125 +++ b/st.h 126 @@ -85,6 +85,7 @@ void printscreen(const Arg *); 127 void printsel(const Arg *); 128 void sendbreak(const Arg *); 129 void toggleprinter(const Arg *); 130 +void copyurl(const Arg *); 131 132 int tattrset(int); 133 void tnew(int, int); 134 -- 135 2.32.0 136