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commit 22705a886e0f6833ee8dd6c667f7951fc663584d
parent 47352b9a9223bc73ef43f3ba436f681a0e965bde
Author: c0dev0id <sh+github@codevoid.de>
Date:   Sat, 31 Jul 2021 19:26:45 +0200

sdk-copyurl-w3m

Diffstat:
Mconfig.def.h | 1+
Mconfig.h | 1+
Mst.c | 121+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mst.h | 1+
Mx.c | 2++
5 files changed, 126 insertions(+), 0 deletions(-)

diff --git a/config.def.h b/config.def.h @@ -213,6 +213,7 @@ static Shortcut shortcuts[] = { { TERMMOD, XK_Num_Lock, numlock, {.i = 0} }, { ShiftMask, XK_Page_Up, kscrollup, {.i = -1} }, { ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} }, + { ShiftMask, XK_l, copyurl, {.i = 0} }, }; /* diff --git a/config.h b/config.h @@ -213,6 +213,7 @@ static Shortcut shortcuts[] = { { TERMMOD, XK_Num_Lock, numlock, {.i = 0} }, { ShiftMask, XK_Page_Up, kscrollup, {.i = -1} }, { ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} }, + { ShiftMask, XK_l, copyurl, {.i = 0} }, }; /* diff --git a/st.c b/st.c @@ -207,6 +207,8 @@ static void tdefutf8(char); static int32_t tdefcolor(const int *, int *, int); static void tdeftran(char); static void tstrsequence(uchar); +static void tsetcolor(int, int, int, uint32_t, uint32_t); +static char * findlastany(char *, const char**, size_t); static void drawregion(int, int, int, int); @@ -2680,3 +2682,122 @@ redraw(void) tfulldirt(); draw(); } + +void +tsetcolor( int row, int start, int end, uint32_t fg, uint32_t bg ) +{ + int i = start; + for( ; i < end; ++i ) + { + term.line[row][i].fg = fg; + term.line[row][i].bg = bg; + } +} + +char * +findlastany(char *str, const char** find, size_t len) +{ + char* found = NULL; + int i = 0; + for(found = str + strlen(str) - 1; found >= str; --found) { + for(i = 0; i < len; i++) { + if(strncmp(found, find[i], strlen(find[i])) == 0) { + return found; + } + } + } + + return NULL; +} + +/* +** Select and copy the previous url on screen (do nothing if there's no url). +** +** FIXME: doesn't handle urls that span multiple lines; will need to add support +** for multiline "getsel()" first +*/ +void +copyurl(const Arg *arg) { + /* () and [] can appear in urls, but excluding them here will reduce false + * positives when figuring out where a given url ends. + */ + static char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz" + "0123456789-._~:/?#@!$&'*+,;=%"; + + static const char* URLSTRINGS[] = {"http://", "https://"}; + + /* remove highlighting from previous selection if any */ + if(sel.ob.x >= 0 && sel.oe.x >= 0) + tsetcolor(sel.nb.y, sel.ob.x, sel.oe.x + 1, defaultfg, defaultbg); + + int i = 0, + row = 0, /* row of current URL */ + col = 0, /* column of current URL start */ + startrow = 0, /* row of last occurrence */ + colend = 0, /* column of last occurrence */ + passes = 0; /* how many rows have been scanned */ + + char *linestr = calloc(term.col+1, sizeof(Rune)); + char *c = NULL, + *match = NULL; + + row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y : term.bot; + LIMIT(row, term.top, term.bot); + startrow = row; + + colend = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.x : term.col; + LIMIT(colend, 0, term.col); + + /* + ** Scan from (term.bot,term.col) to (0,0) and find + ** next occurrance of a URL + */ + while(passes !=term.bot + 2) { + /* Read in each column of every row until + ** we hit previous occurrence of URL + */ + for (col = 0, i = 0; col < colend; ++col,++i) { + linestr[i] = term.line[row][col].u; + } + linestr[term.col] = '\0'; + + if ((match = findlastany(linestr, URLSTRINGS, + sizeof(URLSTRINGS)/sizeof(URLSTRINGS[0])))) + break; + + if (--row < term.top) + row = term.bot; + + colend = term.col; + passes++; + }; + + if (match) { + /* must happen before trim */ + selclear(); + sel.ob.x = strlen(linestr) - strlen(match); + + /* trim the rest of the line from the url match */ + for (c = match; *c != '\0'; ++c) + if (!strchr(URLCHARS, *c)) { + *c = '\0'; + break; + } + + /* highlight selection by inverting terminal colors */ + tsetcolor(row, sel.ob.x, sel.ob.x + strlen( match ), defaultbg, defaultfg); + + /* select and copy */ + sel.mode = 1; + sel.type = SEL_REGULAR; + sel.oe.x = sel.ob.x + strlen(match)-1; + sel.ob.y = sel.oe.y = row; + selnormalize(); + tsetdirt(sel.nb.y, sel.ne.y); + xsetsel(getsel()); + xclipcopy(); + } + + free(linestr); +} diff --git a/st.h b/st.h @@ -88,6 +88,7 @@ void printscreen(const Arg *); void printsel(const Arg *); void sendbreak(const Arg *); void toggleprinter(const Arg *); +void copyurl(const Arg *); int tattrset(int); void tnew(int, int); diff --git a/x.c b/x.c @@ -1624,6 +1624,8 @@ xsettitle(char *p) int xstartdraw(void) { + if (IS_SET(MODE_VISIBLE)) + XCopyArea(xw.dpy, xw.win, xw.buf, dc.gc, 0, 0, win.w, win.h, 0, 0); return IS_SET(MODE_VISIBLE); }