winpl

commit 3d8f53f4fbed3bb3073d97f3b3aa8dfd706ad493
parent 5a358e944c7a0e17b252a444624f32003a207bef
Author: Louis Burda <quent.burda@gmail.com>
Date:   Fri, 24 May 2024 16:38:05 +0200

Add option to set window name

Diffstat:
M
loader.c
 | 
16
+++++++++++-----
M
winpl.c
 | 
14
++++++++++++++

2 files changed, 25 insertions(+), 5 deletions(-)
diff --git a/loader.c b/loader.c
@@ -24,6 +24,7 @@ usage(int rc, bool full)
 	fprintf(stderr, "Usage: winpl [OPT].. -- CMD [ARG]..\n");
 	if (!full) exit(rc);
 	fprintf(stderr, "\n");
+	fprintf(stderr, "  -ow              Always write preload library\n");
 	fprintf(stderr, "  [-ax|-ay] POS    Absolute window position\n");
 	fprintf(stderr, "  [-mx|-my] POS    Window position relative to monitor\n");
 	fprintf(stderr, "  [-rx|-ry] SCALE  Window position relative to monitor\n"
@@ -36,6 +37,7 @@ usage(int rc, bool full)
 	fprintf(stderr, "  -mp              Select monitor based on cursor\n");
 	fprintf(stderr, "  -mf              Select monitor based on focus\n");
 	fprintf(stderr, "  -ni              Window does not take input (focus)\n");
+	fprintf(stderr, "  -name NAME       Set window name\n");
 	fprintf(stderr, "\n");
 	exit(rc);
 }
@@ -62,13 +64,14 @@ write_lib(const char *filename)
 int
 main(int argc, char *const *argv)
 {
-	char *const *arg, *const *cmd_argv;
+	char *const *cmd_argv = NULL;
+	char *const *arg;
 	char pathbuf[PATH_MAX];
 	struct stat st;
+	bool overwrite = false;
 
 	if (argc < 1) return 0;
 
-	cmd_argv = NULL;
 	for (arg = argv + 1; *arg; arg++) {
 		if (!strcmp(*arg, "-h")) {
 			usage(0, true);
@@ -104,6 +107,10 @@ main(int argc, char *const *argv)
 			setenv("WINPL_MON_FOCUS", "1", true);
 		} else if (!strcmp(*arg, "-ni")) {
 			setenv("WINPL_NO_INPUT", "1", true);
+		} else if (!strcmp(*arg, "-name")) {
+			setenv("WINPL_NAME", *++arg, true);
+		} else if (!strcmp(*arg, "-ow")) {
+			overwrite = true;
 		} else if (!strcmp(*arg, "--") && *(arg+1)) {
 			cmd_argv = arg + 1;
 			break;
@@ -111,10 +118,9 @@ main(int argc, char *const *argv)
 			usage(1, true);
 		}
 	}
-	if (cmd_argv == NULL)
-		usage(1, false);
+	if (!cmd_argv) usage(1, false);
 
-	if (stat(libpath, &st))
+	if (overwrite || stat(libpath, &st))
 		write_lib(libpath);
 
 	setenv("LD_PRELOAD", libpath, true);
diff --git a/winpl.c b/winpl.c
@@ -27,6 +27,7 @@ static const char prefix[] = "WINPL_";
 static const int prefixlen = sizeof(prefix) - 1;
 
 static void *lib_xlib = NULL;
+static void (*setwmname)(Display *display, Window window, XTextProperty *text);
 
 static void
 warn(const char *fmt, ...)
@@ -174,6 +175,9 @@ set_props(Display *display, Window window)
 	pid_t pid, ppid;
 	uid_t uid;
 
+	if (!lib_xlib) lib_xlib = dlopen("libX11.so", RTLD_GLOBAL | RTLD_LAZY);
+	if (!setwmname) setwmname = dlsym (lib_xlib, "XSetWMName");
+
 	uid = getuid();
 	pid = getpid();
 	ppid = getppid();
@@ -279,6 +283,11 @@ set_props(Display *display, Window window)
 				"_NET_WM_WINDOW_TYPE_DIALOG", False);
 			set_prop(display, window, "_NET_WM_WINDOW_TYPE",
 				XA_ATOM, 32, &atom);
+		} else if (!strncmp(key, "NAME", keylen)) {
+			/* window name / title */
+			XTextProperty name;
+			XStringListToTextProperty((char**)&val, 1, &name);
+			setwmname(display, window, &name);
 		} else if (!strncmp(key, "NO_INPUT", keylen)) {
 			/* never take input (focus) */
 			hints.flags = InputHint;
@@ -386,3 +395,8 @@ XReparentWindow(Display *display, Window window, Window parent, int x, int y)
 	return (*func) (display, window, parent, x, y);
 }
 
+void
+XSetWMName(Display *display, Window window, XTextProperty *text)
+{
+	/* keep value set in set_props */
+}