pkgs: Add dwn-setstatus

3 files changed, 62 insertions, 0 deletions

diff --git a/overlays/additions.nix b/overlays/additions.nix
index fc399f2..7213251 100644
--- a/overlays/additions.nix
+++ b/overlays/additions.nix
@@ -30,6 +30,8 @@ final: prev: {
 
   echoargs = prev.callPackage ../pkgs/echoargs {};
 
+  dwm-setstatus = prev.callPackage ../pkgs/dwm-setstatus {};
+
   vimPlugins = prev.vimPlugins.extend (final': prev': {
     vim-crystal = prev.callPackage ../pkgs/vim-crystal {};
     vim-noweb = prev.callPackage ../pkgs/vim-noweb {};
diff --git a/pkgs/dwm-setstatus/default.nix b/pkgs/dwm-setstatus/default.nix
new file mode 100644
index 0000000..cf7b261
--- /dev/null
+++ b/pkgs/dwm-setstatus/default.nix
@@ -0,0 +1,28 @@
+{
+  stdenv,
+  lib,
+  libX11,
+}:
+stdenv.mkDerivation {
+  pname = "human-sleep";
+  version = "16-11-2024"; # Date of last change
+
+  src = ./.;
+  nativeBuildInputs = [ libX11 ];
+  buildPhase = ''
+    cc dwm-setstatus.c -lX11 -o dwm-setstatus
+  '';
+
+  # TODO: Run check phase: `cscript -DTEST human-sleep.c`
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mv dwm-setstatus $out/bin
+  '';
+
+  meta = with lib; {
+    homepage = "https://wiki.archlinux.org/title/Dwm#Conky_statusbar";
+    description = "Updates DWM status bar for every line on stdin";
+    mainProgram = "dwm-setstatus";
+  };
+}
diff --git a/pkgs/dwm-setstatus/dwm-setstatus.c b/pkgs/dwm-setstatus/dwm-setstatus.c
new file mode 100644
index 0000000..0abdcd0
--- /dev/null
+++ b/pkgs/dwm-setstatus/dwm-setstatus.c
@@ -0,0 +1,32 @@
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <X11/Xlib.h>
+
+int main(int argc, char * argv[])
+{
+        Display * dpy = NULL;
+        Window win = 0;
+        size_t length = 0;
+        ssize_t bytes_read = 0;
+        char * input = NULL;
+
+        dpy = XOpenDisplay(getenv("DISPLAY"));
+        if (dpy == NULL)
+        {
+                fprintf(stderr, "Can't open display, exiting.\n");
+                exit(1);
+        }
+        win = DefaultRootWindow(dpy);
+
+        while ((bytes_read = getline(&input, &length, stdin)) != EOF)
+        {
+                input[strlen(input) - 1] = '\0';
+                XStoreName(dpy, win, input);
+                XFlush(dpy);
+                fprintf(stderr, "Input: %s", input);
+                fprintf(stderr, "\nbytes read: %ld\n", bytes_read);
+        }
+        free(input);
+        return 0;
+}