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/indra/llwindow/llkeyboardheadless.cpp

https://bitbucket.org/lindenlab/viewer-beta/
C++ | 73 lines | 33 code | 11 blank | 29 comment | 6 complexity | 5ddf93e5cc755ce4ed878cf6f83aea76 MD5 | raw file
 1/** 
 2 * @file llkeyboardheadless.cpp
 3 * @brief Handler for assignable key bindings
 4 *
 5 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 6 * Second Life Viewer Source Code
 7 * Copyright (C) 2010, Linden Research, Inc.
 8 * 
 9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation;
12 * version 2.1 of the License only.
13 * 
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * Lesser General Public License for more details.
18 * 
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22 * 
23 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
24 * $/LicenseInfo$
25 */
26
27#include "linden_common.h"
28#include "llkeyboardheadless.h"
29#include "llwindowcallbacks.h"
30
31LLKeyboardHeadless::LLKeyboardHeadless()
32{ }
33
34void LLKeyboardHeadless::resetMaskKeys()
35{ }
36
37
38BOOL LLKeyboardHeadless::handleKeyDown(const U16 key, const U32 mask)
39{ return FALSE; }
40
41
42BOOL LLKeyboardHeadless::handleKeyUp(const U16 key, const U32 mask)
43{ return FALSE; }
44
45MASK LLKeyboardHeadless::currentMask(BOOL for_mouse_event)
46{ return MASK_NONE; }
47
48void LLKeyboardHeadless::scanKeyboard()
49{
50	for (S32 key = 0; key < KEY_COUNT; key++)
51	{
52		// Generate callback if any event has occurred on this key this frame.
53		// Can't just test mKeyLevel, because this could be a slow frame and
54		// key might have gone down then up. JC
55		if (mKeyLevel[key] || mKeyDown[key] || mKeyUp[key])
56		{
57			mCurScanKey = key;
58			mCallbacks->handleScanKey(key, mKeyDown[key], mKeyUp[key], mKeyLevel[key]);
59		}
60	}
61
62	// Reset edges for next frame
63	for (S32 key = 0; key < KEY_COUNT; key++)
64	{
65		mKeyUp[key] = FALSE;
66		mKeyDown[key] = FALSE;
67		if (mKeyLevel[key])
68		{
69			mKeyLevelFrameCount[key]++;
70		}
71	}
72}
73