add -w option to embed st. (thx nodus cursorius)

diff --git a/st.1 b/st.1
index 69cfe86..b6c119f 100644 (file)
--- a/st.1
+++ b/st.1
@@ -7,6 +7,8 @@ st \- simple terminal
 .IR class ]
 .RB [ \-t 
 .IR title ]
+.RB [ \-w 
+.IR windowid ]
 .RB [ \-v ]
 .RB [ \-e
 .IR command ...]
@@ -21,6 +23,10 @@ defines the window title (default 'st').
 .BI \-c " class"
 defines the window class (default $TERM).
 .TP
+.BI \-w " windowid"
+embeds st within the window identified by 
+.I windowid
+.TP
 .B \-v
 prints version information to stderr, then exits.
 .TP

diff --git a/st.c b/st.c
index 6ba5c4c..b331ead 100644 (file)
--- a/st.c
+++ b/st.c
@@ -35,7 +35,7 @@
 
 #define USAGE \
        "st-" VERSION ", (c) 2010-2011 st engineers\n" \
-       "usage: st [-t title] [-c class] [-v] [-e command...]\n"
+       "usage: st [-t title] [-c class] [-w windowid] [-v] [-e command...]\n"
 
 /* Arbitrary sizes */
 #define ESC_TITLE_SIZ 256
@@ -260,6 +260,7 @@ static pid_t pid;
 static Selection sel;
 static char **opt_cmd  = NULL;
 static char *opt_title = NULL;
+static char *opt_embed = NULL;
 static char *opt_class = NULL;
 
 int
@@ -1606,6 +1607,7 @@ void
 xinit(void) {
        XSetWindowAttributes attrs;
        Cursor cursor;
+       Window parent;
 
        if(!(xw.dpy = XOpenDisplay(NULL)))
                die("Can't open display\n");
@@ -1636,7 +1638,8 @@ xinit(void) {
                | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
        attrs.colormap = xw.cmap;
 
-       xw.win = XCreateWindow(xw.dpy, XRootWindow(xw.dpy, xw.scr), 0, 0,
+       parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
+       xw.win = XCreateWindow(xw.dpy, parent, 0, 0,
                        xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
                        XDefaultVisual(xw.dpy, xw.scr),
                        CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
@@ -1943,6 +1946,9 @@ main(int argc, char *argv[]) {
                case 'c':
                        if(++i < argc) opt_class = argv[i];
                        break;
+               case 'w':
+                       if(++i < argc) opt_embed = argv[i];
+                       break;
                case 'e': 
                        /* eat every remaining arguments */
                        if(++i < argc) opt_cmd = &argv[i];