X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/4736edd469d07685f6ceeb4bfe438ba48335bd81..8d2d8848e8ac7117adffe9e1d168c5125934dfcf:/st.c

diff --git a/st.c b/st.c
index 6ba5c4c..6f292ba 100644
--- a/st.c
+++ b/st.c
@@ -35,7 +35,11 @@
 
 #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"
+
+/* XEMBED messages */
+#define XEMBED_FOCUS_IN  4
+#define XEMBED_FOCUS_OUT 5
 
 /* Arbitrary sizes */
 #define ESC_TITLE_SIZ 256
@@ -217,6 +221,7 @@ static void visibility(XEvent *);
 static void unmap(XEvent *);
 static char* kmap(KeySym, unsigned int state);
 static void kpress(XEvent *);
+static void cmessage(XEvent *);
 static void resize(XEvent *);
 static void focus(XEvent *);
 static void brelease(XEvent *);
@@ -237,6 +242,7 @@ static int isfullutf8(char *, int);
 
 static void (*handler[LASTEvent])(XEvent *) = {
 	[KeyPress] = kpress,
+	[ClientMessage] = cmessage,
 	[ConfigureNotify] = resize,
 	[VisibilityNotify] = visibility,
 	[UnmapNotify] = unmap,
@@ -260,7 +266,9 @@ 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;
+static Atom xembedatom;
 
 int
 utf8decode(char *s, long *u) {
@@ -614,7 +622,7 @@ bmotion(XEvent *e) {
 		if(oldey != sel.ey || oldex != sel.ex) {
 			int starty = MIN(oldey, sel.ey);
 			int endy = MAX(oldey, sel.ey);
-			drawregion(0, (starty > 0 ? starty : 0), term.col, (sel.ey < term.row ? endy+1 : term.row));
+			drawregion(0, (starty > 0 ? starty : 0), term.col, (endy < term.row ? endy+1 : term.row));
 		}
 	}
 }
@@ -1606,6 +1614,7 @@ void
 xinit(void) {
 	XSetWindowAttributes attrs;
 	Cursor cursor;
+	Window parent;
 
 	if(!(xw.dpy = XOpenDisplay(NULL)))
 		die("Can't open display\n");
@@ -1623,8 +1632,8 @@ xinit(void) {
 	xloadcols();
 
 	/* window - default size */
-	xw.bufh = 24 * xw.ch;
-	xw.bufw = 80 * xw.cw;
+	xw.bufh = term.row * xw.ch;
+	xw.bufw = term.col * xw.cw;
 	xw.h = xw.bufh + 2*BORDER;
 	xw.w = xw.bufw + 2*BORDER;
 
@@ -1633,10 +1642,12 @@ xinit(void) {
 	attrs.bit_gravity = NorthWestGravity;
 	attrs.event_mask = FocusChangeMask | KeyPressMask
 		| ExposureMask | VisibilityChangeMask | StructureNotifyMask
-		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
+		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask
+		| EnterWindowMask | LeaveWindowMask;
 	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
@@ -1660,6 +1671,8 @@ xinit(void) {
 		&(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff},
 		&(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
 
+	xembedatom = XInternAtom(xw.dpy, "_XEMBED", False);
+
 	XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
 	XMapWindow(xw.dpy, xw.win);
 	xhints();
@@ -1883,6 +1896,19 @@ kpress(XEvent *ev) {
 		}
 }
 
+void
+cmessage(XEvent *e) {
+	if (e->xclient.message_type == xembedatom && e->xclient.format == 32) {
+		if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
+			xw.state |= WIN_FOCUSED;
+			xseturgency(0);
+		} else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
+			xw.state &= ~WIN_FOCUSED;
+		}
+		draw();
+	}
+}
+
 void
 resize(XEvent *e) {
 	int col, row;
@@ -1943,6 +1969,9 @@ 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];