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simpler_plumb-0.9.diff (3389B)

      1 From d77f364af4d685a614545120d4fa28e9e3770c5e Mon Sep 17 00:00:00 2001
      2 From: sewn <sewn@disroot.org>
      3 Date: Wed, 7 Jun 2023 14:46:03 +0300
      4 Subject: [PATCH] Pass selected text to a plumber program
      5 
      6 ---
      7  config.def.h |  7 +++++++
      8  st.c         | 11 ++++++++++-
      9  st.h         |  4 ++++
     10  x.c          | 28 ++++++++++++++++++++++++++++
     11  4 files changed, 49 insertions(+), 1 deletion(-)
     12 
     13 diff --git a/config.def.h b/config.def.h
     14 index 91ab8ca..1f5b17a 100644
     15 --- a/config.def.h
     16 +++ b/config.def.h
     17 @@ -170,6 +170,12 @@ static unsigned int defaultattr = 11;
     18   */
     19  static uint forcemousemod = ShiftMask;
     20  
     21 +/* 
     22 + *  Default plumber program. The selected text will be passed as an argument.
     23 + *  No other arguments can be passed.
     24 + */
     25 +static char plumber[] = "plumber";
     26 +
     27  /*
     28   * Internal mouse shortcuts.
     29   * Beware that overloading Button1 will disable the selection.
     30 @@ -181,6 +187,7 @@ static MouseShortcut mshortcuts[] = {
     31  	{ XK_ANY_MOD,           Button4, ttysend,        {.s = "\031"} },
     32  	{ ShiftMask,            Button5, ttysend,        {.s = "\033[6;2~"} },
     33  	{ XK_ANY_MOD,           Button5, ttysend,        {.s = "\005"} },
     34 +	{ XK_NO_MOD,            Button3, plumb,          {.i = 0}, },
     35  };
     36  
     37  /* Internal keyboard shortcuts. */
     38 diff --git a/st.c b/st.c
     39 index 134e724..626efa3 100644
     40 --- a/st.c
     41 +++ b/st.c
     42 @@ -225,7 +225,8 @@ static CSIEscape csiescseq;
     43  static STREscape strescseq;
     44  static int iofd = 1;
     45  static int cmdfd;
     46 -static pid_t pid;
     47 +
     48 +pid_t pid;
     49  
     50  static const uchar utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
     51  static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
     52 @@ -1054,6 +1055,14 @@ tswapscreen(void)
     53  	tfulldirt();
     54  }
     55  
     56 +int
     57 +chdir_by_pid(pid_t pid)
     58 +{
     59 +	char buf[32];
     60 +	snprintf(buf, sizeof buf, "/proc/%ld/cwd", (long)pid);
     61 +	return chdir(buf);
     62 +}
     63 +
     64  void
     65  tscrolldown(int orig, int n)
     66  {
     67 diff --git a/st.h b/st.h
     68 index fd3b0d8..cca6468 100644
     69 --- a/st.h
     70 +++ b/st.h
     71 @@ -81,6 +81,8 @@ void die(const char *, ...);
     72  void redraw(void);
     73  void draw(void);
     74  
     75 +int chdir_by_pid(pid_t pid);
     76 +
     77  void printscreen(const Arg *);
     78  void printsel(const Arg *);
     79  void sendbreak(const Arg *);
     80 @@ -124,3 +126,5 @@ extern unsigned int tabspaces;
     81  extern unsigned int defaultfg;
     82  extern unsigned int defaultbg;
     83  extern unsigned int defaultcs;
     84 +
     85 +extern pid_t pid;
     86 diff --git a/x.c b/x.c
     87 index aa09997..1cca84e 100644
     88 --- a/x.c
     89 +++ b/x.c
     90 @@ -5,6 +5,7 @@
     91  #include <locale.h>
     92  #include <signal.h>
     93  #include <sys/select.h>
     94 +#include <sys/wait.h>
     95  #include <time.h>
     96  #include <unistd.h>
     97  #include <libgen.h>
     98 @@ -55,6 +56,7 @@ static void clipcopy(const Arg *);
     99  static void clippaste(const Arg *);
    100  static void numlock(const Arg *);
    101  static void selpaste(const Arg *);
    102 +static void plumb(const Arg *);
    103  static void zoom(const Arg *);
    104  static void zoomabs(const Arg *);
    105  static void zoomreset(const Arg *);
    106 @@ -292,6 +294,32 @@ numlock(const Arg *dummy)
    107  	win.mode ^= MODE_NUMLOCK;
    108  }
    109  
    110 +void
    111 +plumb(const Arg *dummy)
    112 +{
    113 +	switch(fork()) {
    114 +	case -1: 
    115 +			die("plumb failed: %s\n", strerror(errno));
    116 +			break;
    117 +	case 0:
    118 +		switch(fork()) {
    119 +			case -1: 
    120 +				die("plumb failed: %s\n", strerror(errno));
    121 +				_exit(1);
    122 +				break;
    123 +			case 0:
    124 +				chdir_by_pid(pid);
    125 +				execlp(plumber, plumber, xsel.primary, NULL);
    126 +				_exit(127);
    127 +				break;
    128 +			default:
    129 +				_exit(0);
    130 +		}
    131 +	default:
    132 +		wait(NULL);
    133 +	}
    134 +}
    135 +
    136  void
    137  zoom(const Arg *arg)
    138  {
    139 -- 
    140 2.40.1
    141