Added an EventAPI listener to LLWindow for hooking into key and mouse inputs.

5 files changed, 239 insertions, 2 deletions

diff --git a/indra/llwindow/CMakeLists.txt b/indra/llwindow/CMakeLists.txt
index 4d2677fd91..00aaba2052 100644
--- a/indra/llwindow/CMakeLists.txt
+++ b/indra/llwindow/CMakeLists.txt
@@ -36,6 +36,7 @@ set(llwindow_SOURCE_FILES
     llkeyboard.cpp
     llwindowheadless.cpp
     llwindowcallbacks.cpp
+    llwindowlistener.cpp
     )
 
 set(llwindow_HEADER_FILES
@@ -44,6 +45,7 @@ set(llwindow_HEADER_FILES
     llkeyboard.h
     llwindowheadless.h
     llwindowcallbacks.h
+    llwindowlistener.h
     )
 
 set(viewer_SOURCE_FILES
diff --git a/indra/llwindow/llwindow.cpp b/indra/llwindow/llwindow.cpp
index 072f694c24..2d00c37719 100644
--- a/indra/llwindow/llwindow.cpp
+++ b/indra/llwindow/llwindow.cpp
@@ -41,6 +41,7 @@
 #include "llkeyboard.h"
 #include "linked_lists.h"
 #include "llwindowcallbacks.h"
+#include "llwindowlistener.h"
 
 
 //
@@ -115,10 +116,15 @@ LLWindow::LLWindow(LLWindowCallbacks* callbacks, BOOL fullscreen, U32 flags)
 	  mHideCursorPermanent(FALSE),
 	  mFlags(flags),
 	  mHighSurrogate(0)
-{ }
+{
+	mListener = new LLWindowListener(callbacks, gKeyboard);
+}
 
 LLWindow::~LLWindow()
-{ }
+{
+	delete mListener;
+	mListener = NULL;
+}
 
 //virtual
 BOOL LLWindow::isValid()
diff --git a/indra/llwindow/llwindow.h b/indra/llwindow/llwindow.h
index e8a86a1880..6bdc01ae88 100644
--- a/indra/llwindow/llwindow.h
+++ b/indra/llwindow/llwindow.h
@@ -36,6 +36,7 @@
 class LLSplashScreen;
 class LLPreeditor;
 class LLWindowCallbacks;
+class LLWindowListener;
 
 // Refer to llwindow_test in test/common/llwindow for usage example
 
@@ -188,6 +189,7 @@ protected:
 	BOOL		mHideCursorPermanent;
 	U32			mFlags;
 	U16			mHighSurrogate;
+	LLWindowListener* mListener;
 
  	// Handle a UTF-16 encoding unit received from keyboard.
  	// Converting the series of UTF-16 encoding units to UTF-32 data,
diff --git a/indra/llwindow/llwindowlistener.cpp b/indra/llwindow/llwindowlistener.cpp
new file mode 100644
index 0000000000..22cc12acee
--- /dev/null
+++ b/indra/llwindow/llwindowlistener.cpp
@@ -0,0 +1,174 @@
+/** 
+ * @file llwindowlistener.cpp
+ * @brief EventAPI interface for injecting input into LLWindow
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "llwindowlistener.h"
+
+#include "llcoord.h"
+#include "llkeyboard.h"
+#include "llwindowcallbacks.h"
+
+LLWindowListener::LLWindowListener(LLWindowCallbacks *window, LLKeyboard * keyboard)
+	: LLEventAPI("LLWindow", "Inject input events into the LLWindow instance"),
+	  mWindow(window),
+	  mKeyboard(keyboard)
+{
+	add("keyDown",
+		"Given [\"keycode\"] or [\"char\"], will inject the given keypress event.",
+		&LLWindowListener::keyDown);
+	add("keyUp",
+		"Given [\"keycode\"] or [\"char\"], will inject the given key release event.",
+		&LLWindowListener::keyUp);
+	add("mouseDown",
+		"Given [\"button\"], [\"x\"] and [\"y\"], will inject the given mouse click event.",
+		&LLWindowListener::mouseDown);
+	add("mouseUp",
+		"Given [\"button\"], [\"x\"] and [\"y\"], will inject the given mouse release event.",
+		&LLWindowListener::mouseUp);
+	add("mouseMove",
+		"Given [\"x\"] and [\"y\"], will inject the given mouse movement event.",
+		&LLWindowListener::mouseMove);
+	add("mouseScroll",
+		"Given a number of [\"clicks\"], will inject the given mouse scroll event.",
+		&LLWindowListener::mouseScroll);
+}
+
+void LLWindowListener::keyDown(LLSD const & evt)
+{
+	if(NULL == mKeyboard)
+	{
+		// *HACK to handle the fact that LLWindow subclasses have to initialize
+		// things in an inconvenient order
+		mKeyboard = gKeyboard;
+	}
+
+	KEY keycode = 0;
+	if(evt.has("keycode"))
+	{
+		keycode = KEY(evt["keycode"].asInteger());
+	}
+	else
+	{
+		keycode = KEY(evt["char"].asString()[0]);
+	}
+
+	// *TODO - figure out how to handle the mask
+	mKeyboard->handleTranslatedKeyDown(keycode, 0);
+}
+
+void LLWindowListener::keyUp(LLSD const & evt)
+{
+	if(NULL == mKeyboard)
+	{
+		// *HACK to handle the fact that LLWindow subclasses have to initialize
+		// things in an inconvenient order
+		mKeyboard = gKeyboard;
+	}
+
+	KEY keycode = 0;
+	if(evt.has("keycode"))
+	{
+		keycode = KEY(evt["keycode"].asInteger());
+	}
+	else
+	{
+		keycode = KEY(evt["char"].asString()[0]);
+	}
+
+	// *TODO - figure out how to handle the mask
+	mKeyboard->handleTranslatedKeyDown(keycode, 0);
+}
+
+void LLWindowListener::mouseDown(LLSD const & evt)
+{
+	LLCoordGL pos(evt["x"].asInteger(), evt["y"].asInteger());
+
+	std::string const & button = evt["button"].asString();
+
+	if(button == "LEFT")
+	{
+		// *TODO - figure out how to handle the mask
+		mWindow->handleMouseDown(NULL, pos, 0);
+	}
+	else if (button == "RIGHT")
+	{
+		// *TODO - figure out how to handle the mask
+		mWindow->handleRightMouseDown(NULL, pos, 0);
+	}
+	else if (button == "MIDDLE")
+	{
+		// *TODO - figure out how to handle the mask
+		mWindow->handleMiddleMouseDown(NULL, pos, 0);
+	}
+	else
+	{
+		llwarns << "ignoring unknown mous button \"" << button << '\"' << llendl;
+	}
+}
+
+void LLWindowListener::mouseUp(LLSD const & evt)
+{
+	LLCoordGL pos(evt["x"].asInteger(), evt["y"].asInteger());
+
+	std::string const & button = evt["button"].asString();
+
+	if(button == "LEFT")
+	{
+		// *TODO - figure out how to handle the mask
+		mWindow->handleMouseUp(NULL, pos, 0);
+	}
+	else if (button == "RIGHT")
+	{
+		// *TODO - figure out how to handle the mask
+		mWindow->handleRightMouseUp(NULL, pos, 0);
+	}
+	else if (button == "MIDDLE")
+	{
+		// *TODO - figure out how to handle the mask
+		mWindow->handleMiddleMouseUp(NULL, pos, 0);
+	}
+	else
+	{
+		llwarns << "ignoring unknown mous button \"" << button << '\"' << llendl;
+	}
+}
+
+void LLWindowListener::mouseMove(LLSD const & evt)
+{
+	LLCoordGL pos(evt["x"].asInteger(), evt["y"].asInteger());
+
+	// *TODO - figure out how to handle the mask
+	mWindow->handleMouseMove(NULL, pos, 0);
+}
+
+void LLWindowListener::mouseScroll(LLSD const & evt)
+{
+	S32 clicks = evt["clicks"].asInteger();
+
+	mWindow->handleScrollWheel(NULL, clicks);
+}
+
diff --git a/indra/llwindow/llwindowlistener.h b/indra/llwindow/llwindowlistener.h
new file mode 100644
index 0000000000..5b234c5d1d
--- /dev/null
+++ b/indra/llwindow/llwindowlistener.h
@@ -0,0 +1,53 @@
+/** 
+ * @file llwindowlistener.h
+ * @brief EventAPI interface for injecting input into LLWindow
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLWINDOWLISTENER_H
+#define LL_LLWINDOWLISTENER_H
+
+#include "lleventapi.h"
+
+class LLKeyboard;
+class LLWindowCallbacks;
+
+class LLWindowListener : public LLEventAPI
+{
+public:
+	LLWindowListener(LLWindowCallbacks * window, LLKeyboard * keyboard);
+
+	void keyDown(LLSD const & evt);
+	void keyUp(LLSD const & evt);
+	void mouseDown(LLSD const & evt);
+	void mouseUp(LLSD const & evt);
+	void mouseMove(LLSD const & evt);
+	void mouseScroll(LLSD const & evt);
+
+private:
+	LLWindowCallbacks * mWindow;
+	LLKeyboard * mKeyboard;
+};
+
+
+#endif // LL_LLWINDOWLISTENER_H