From a7b03fd2cd91b2f194ec34e25f043fb65f3dc33f Mon Sep 17 00:00:00 2001
From: Glenn Rice <glennricster@gmail.com>
Date: Tue, 16 Mar 2010 13:30:52 +0000
Subject: [PATCH] Implement pausing (with the Escape key) for the NoGUI build
 in linux.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5203 8ced0084-cf51-0410-be5f-012b33b47a6e
---
 Source/Core/DolphinWX/Src/MainNoGUI.cpp | 38 +++++++++++++++++++++++--
 1 file changed, 36 insertions(+), 2 deletions(-)

diff --git a/Source/Core/DolphinWX/Src/MainNoGUI.cpp b/Source/Core/DolphinWX/Src/MainNoGUI.cpp
index d30ab1113e..b139c48cf8 100644
--- a/Source/Core/DolphinWX/Src/MainNoGUI.cpp
+++ b/Source/Core/DolphinWX/Src/MainNoGUI.cpp
@@ -58,12 +58,46 @@ void Host_NotifyMapLoaded(){}
 
 void Host_ShowJitResults(unsigned int address){}
 
+#if defined(HAVE_X11) && HAVE_X11
+void X11_SendClientEvent(const char *message)
+{
+	XEvent event;
+	Display *dpy = (Display *)Core::GetWindowHandle();
+	Window win = *(Window *)Core::GetXWindow();
+
+	// Init X event structure for client message
+	event.xclient.type = ClientMessage;
+	event.xclient.format = 32;
+	event.xclient.data.l[0] = XInternAtom(dpy, message, False);
+
+	// Send the event
+	if (!XSendEvent(dpy, win, False, False, &event))
+		ERROR_LOG(VIDEO, "Failed to send message %s to the emulator window.\n", message);
+}
+#endif
+
 Common::Event updateMainFrameEvent;
 void Host_Message(int Id)
 {
 #if defined(HAVE_X11) && HAVE_X11
-	if (Id == WM_USER_STOP)
-		updateMainFrameEvent.Set();
+	switch (Id)
+	{
+		case WM_USER_STOP:
+			updateMainFrameEvent.Set();
+			break;
+		case WM_USER_PAUSE:
+			if (Core::GetState() == Core::CORE_RUN)
+			{
+				X11_SendClientEvent("PAUSE");
+				Core::SetState(Core::CORE_PAUSE);
+			}
+			else
+			{
+				X11_SendClientEvent("RESUME");
+				Core::SetState(Core::CORE_RUN);
+			}
+			break;
+	}
 #endif
 }