From 281e1fb5ab1de616a6b58ed14635992de6fe3b0d Mon Sep 17 00:00:00 2001
From: "Anselm R. Garbe" <garbeam@wmii.de>
Date: Fri, 30 Jun 2006 14:10:03 +0200
Subject: [PATCH] added focus{in,out} notification (this is necessary to get a
 clue while we can grab the keyboard for the tagbar)

---
 cmd/wm/client.c |  3 ++-
 cmd/wm/event.c  | 22 ++++++++++++++++++++++
 liblitz/blitz.h |  2 ++
 liblitz/input.c | 10 ++++++++++
 4 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/cmd/wm/client.c b/cmd/wm/client.c
index cf3f3f22..6440ccc7 100644
--- a/cmd/wm/client.c
+++ b/cmd/wm/client.c
@@ -116,7 +116,8 @@ create_client(Window w, XWindowAttributes *wa)
 	fwa.background_pixmap = ParentRelative;
 	fwa.event_mask =
 		SubstructureRedirectMask | SubstructureNotifyMask | ExposureMask
-		| ButtonPressMask | PointerMotionMask | ButtonReleaseMask;
+		| ButtonPressMask | PointerMotionMask | FocusChangeMask
+		| ButtonReleaseMask | KeyPressMask;
 
 	c->framewin = XCreateWindow(blz.display, blz.root, c->rect.x, c->rect.y,
 			c->rect.width + 2 * def.border,
diff --git a/cmd/wm/event.c b/cmd/wm/event.c
index 746e7503..4d5dc4cd 100644
--- a/cmd/wm/event.c
+++ b/cmd/wm/event.c
@@ -16,6 +16,8 @@ static void handle_buttonrelease(XEvent *e);
 static void handle_configurerequest(XEvent *e);
 static void handle_destroynotify(XEvent *e);
 static void handle_enternotify(XEvent *e);
+static void handle_focusin(XEvent *e);
+static void handle_focusout(XEvent *e);
 static void handle_leavenotify(XEvent *e);
 static void handle_expose(XEvent *e);
 static void handle_keypress(XEvent *e);
@@ -31,6 +33,8 @@ void (*handler[LASTEvent]) (XEvent *) = {
 	[ConfigureRequest]= handle_configurerequest,
 	[DestroyNotify]	= handle_destroynotify,
 	[EnterNotify]	= handle_enternotify,
+	[FocusIn]		= handle_focusin,
+	[FocusOut]		= handle_focusout,
 	[LeaveNotify]	= handle_leavenotify,
 	[Expose]	= handle_expose,
 	[KeyPress]	= handle_keypress,
@@ -84,6 +88,24 @@ handle_buttonrelease(XEvent *e)
 	}
 }
 
+static void
+handle_focusin(XEvent *e)
+{
+	Frame *f;
+	XFocusChangeEvent *ev = &e->xfocus;
+	if((f = frame_of_win(ev->window)))
+		blitz_focusin_input(&f->tagbar);
+}
+
+static void
+handle_focusout(XEvent *e)
+{
+	Frame *f;
+	XFocusChangeEvent *ev = &e->xfocus;
+	if((f = frame_of_win(ev->window)))
+		blitz_focusout_input(&f->tagbar);
+}
+
 static void
 handle_motionnotify(XEvent *e)
 {
diff --git a/liblitz/blitz.h b/liblitz/blitz.h
index 12aa50a8..0128438d 100644
--- a/liblitz/blitz.h
+++ b/liblitz/blitz.h
@@ -100,3 +100,5 @@ Bool blitz_bpress_input(BlitzInput *i, int x, int y);
 Bool blitz_brelease_input(BlitzInput *i, int x, int y);
 Bool blitz_bmotion_input(BlitzInput *i, int x, int y);
 Bool blitz_ispointinrect(int x, int y, XRectangle * r);
+void blitz_focusin_input(BlitzInput *i);
+void blitz_focusout_input(BlitzInput *i);
diff --git a/liblitz/input.c b/liblitz/input.c
index 45da9c54..2fc34793 100644
--- a/liblitz/input.c
+++ b/liblitz/input.c
@@ -143,6 +143,16 @@ charof(BlitzInput *i, int x, int y)
 	return xcharof(i, x, i->text, strlen(i->text));
 }
 
+void
+blitz_focusin_input(BlitzInput *i)
+{
+}
+
+void
+blitz_focusout_input(BlitzInput *i)
+{
+}
+
 Bool
 blitz_bpress_input(BlitzInput *i, int x, int y)
 {