From 5b1de10ffc351c38ffcaf4b55c8289393fd84232 Mon Sep 17 00:00:00 2001
From: Pierre Ossman <ossman@cendio.com>
Date: Wed, 22 Mar 2006 16:20:55 +0000
Subject: [PATCH] Support for the new HIDE/UNHIDE commands.

git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/branches/seamlessrdp-branch/rdesktop@1192 423420c4-83ab-492f-b58f-81f9feb106b5
---
 constants.h |  3 +++
 proto.h     |  4 +++-
 seamless.c  | 24 +++++++++++++++++++++++-
 xwin.c      | 40 +++++++++++++++++++++++++++++++++++++++-
 4 files changed, 68 insertions(+), 3 deletions(-)

diff --git a/constants.h b/constants.h
index 20e54c7..7f3eed6 100644
--- a/constants.h
+++ b/constants.h
@@ -421,3 +421,6 @@ enum RDP_INPUT_DEVICE
 #define SEAMLESSRDP_POSITION_TIMER 200000
 
 #define SEAMLESSRDP_CREATE_MODAL	0x0001
+
+#define SEAMLESSRDP_HELLO_RECONNECT	0x0001
+#define SEAMLESSRDP_HELLO_HIDDEN	0x0002
diff --git a/proto.h b/proto.h
index fe19d46..4d9bbb0 100644
--- a/proto.h
+++ b/proto.h
@@ -272,7 +272,9 @@ void ui_desktop_save(uint32 offset, int x, int y, int cx, int cy);
 void ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy);
 void ui_begin_update(void);
 void ui_end_update(void);
-void ui_seamless_begin(void);
+void ui_seamless_begin(BOOL hidden);
+void ui_seamless_hide_desktop(void);
+void ui_seamless_unhide_desktop(void);
 void ui_seamless_toggle(void);
 void ui_seamless_create_window(unsigned long id, unsigned long group, unsigned long parent,
 			       unsigned long flags);
diff --git a/seamless.c b/seamless.c
index 90ca3f4..b200e4a 100644
--- a/seamless.c
+++ b/seamless.c
@@ -244,7 +244,7 @@ seamless_process_line(const char *line, void *data)
 		if (*endptr)
 			return False;
 
-		ui_seamless_begin();
+		ui_seamless_begin(!!(flags & SEAMLESSRDP_HELLO_HIDDEN));
 	}
 	else if (!strcmp("ACK", tok1))
 	{
@@ -256,6 +256,28 @@ seamless_process_line(const char *line, void *data)
 
 		ui_seamless_ack(serial);
 	}
+	else if (!strcmp("HIDE", tok1))
+	{
+		if (!tok3)
+			return False;
+
+		flags = strtoul(tok3, &endptr, 0);
+		if (*endptr)
+			return False;
+
+		ui_seamless_hide_desktop();
+	}
+	else if (!strcmp("UNHIDE", tok1))
+	{
+		if (!tok3)
+			return False;
+
+		flags = strtoul(tok3, &endptr, 0);
+		if (*endptr)
+			return False;
+
+		ui_seamless_unhide_desktop();
+	}
 
 
 	xfree(l);
diff --git a/xwin.c b/xwin.c
index 2e7c9d4..8ef8647 100644
--- a/xwin.c
+++ b/xwin.c
@@ -82,6 +82,7 @@ static seamless_window *g_seamless_windows = NULL;
 static unsigned long g_seamless_focused = 0;
 static BOOL g_seamless_started = False;	/* Server end is up and running */
 static BOOL g_seamless_active = False;	/* We are currently in seamless mode */
+static BOOL g_seamless_hidden = False;	/* Desktop is hidden on server */
 extern BOOL g_seamless_rdp;
 
 extern uint32 g_embed_wnd;
@@ -3244,7 +3245,7 @@ ui_end_update(void)
 
 
 void
-ui_seamless_begin()
+ui_seamless_begin(BOOL hidden)
 {
 	if (!g_seamless_rdp)
 		return;
@@ -3253,6 +3254,40 @@ ui_seamless_begin()
 		return;
 
 	g_seamless_started = True;
+	g_seamless_hidden = hidden;
+
+	if (!hidden)
+		ui_seamless_toggle();
+}
+
+
+void
+ui_seamless_hide_desktop()
+{
+	if (!g_seamless_rdp)
+		return;
+
+	if (!g_seamless_started)
+		return;
+
+	if (g_seamless_active)
+		ui_seamless_toggle();
+
+	g_seamless_hidden = True;
+}
+
+
+void
+ui_seamless_unhide_desktop()
+{
+	if (!g_seamless_rdp)
+		return;
+
+	if (!g_seamless_started)
+		return;
+
+	g_seamless_hidden = False;
+
 	ui_seamless_toggle();
 }
 
@@ -3266,6 +3301,9 @@ ui_seamless_toggle()
 	if (!g_seamless_started)
 		return;
 
+	if (g_seamless_hidden)
+		return;
+
 	if (g_seamless_active)
 	{
 		/* Deactivate */