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/**
* @file llkeyboard.cpp
* @brief Handler for assignable key bindings
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "indra_constants.h"
#include "llkeyboard.h"
#include "llwindowcallbacks.h"
//
// Globals
//
LLKeyboard *gKeyboard = NULL;
//static
std::map<KEY,std::string> LLKeyboard::sKeysToNames;
std::map<std::string,KEY> LLKeyboard::sNamesToKeys;
//
// Class Implementation
//
LLKeyboard::LLKeyboard() : mCallbacks(NULL), mNumpadDistinct(ND_NUMLOCK_OFF)
{
S32 i;
// Constructor for LLTimer inits each timer. We want them to
// be constructed without being initialized, so we shut them down here.
for (i = 0; i < KEY_COUNT; i++)
{
mKeyLevelFrameCount[i] = 0;
mKeyLevel[i] = FALSE;
mKeyUp[i] = FALSE;
mKeyDown[i] = FALSE;
mKeyRepeated[i] = FALSE;
}
mInsertMode = LL_KIM_INSERT;
mCurTranslatedKey = KEY_NONE;
mCurScanKey = KEY_NONE;
addKeyName(' ', "Space" );
addKeyName(KEY_RETURN, "Enter" );
addKeyName(KEY_LEFT, "Left" );
addKeyName(KEY_RIGHT, "Right" );
addKeyName(KEY_UP, "Up" );
addKeyName(KEY_DOWN, "Down" );
addKeyName(KEY_ESCAPE, "Esc" );
addKeyName(KEY_HOME, "Home" );
addKeyName(KEY_END, "End" );
addKeyName(KEY_PAGE_UP, "PgUp" );
addKeyName(KEY_PAGE_DOWN, "PgDn" );
addKeyName(KEY_F1, "F1" );
addKeyName(KEY_F2, "F2" );
addKeyName(KEY_F3, "F3" );
addKeyName(KEY_F4, "F4" );
addKeyName(KEY_F5, "F5" );
addKeyName(KEY_F6, "F6" );
addKeyName(KEY_F7, "F7" );
addKeyName(KEY_F8, "F8" );
addKeyName(KEY_F9, "F9" );
addKeyName(KEY_F10, "F10" );
addKeyName(KEY_F11, "F11" );
addKeyName(KEY_F12, "F12" );
addKeyName(KEY_TAB, "Tab" );
addKeyName(KEY_ADD, "Add" );
addKeyName(KEY_SUBTRACT, "Subtract" );
addKeyName(KEY_MULTIPLY, "Multiply" );
addKeyName(KEY_DIVIDE, "Divide" );
addKeyName(KEY_PAD_DIVIDE, "PAD_DIVIDE" );
addKeyName(KEY_PAD_LEFT, "PAD_LEFT" );
addKeyName(KEY_PAD_RIGHT, "PAD_RIGHT" );
addKeyName(KEY_PAD_DOWN, "PAD_DOWN" );
addKeyName(KEY_PAD_UP, "PAD_UP" );
addKeyName(KEY_PAD_HOME, "PAD_HOME" );
addKeyName(KEY_PAD_END, "PAD_END" );
addKeyName(KEY_PAD_PGUP, "PAD_PGUP" );
addKeyName(KEY_PAD_PGDN, "PAD_PGDN" );
addKeyName(KEY_PAD_CENTER, "PAD_CENTER" );
addKeyName(KEY_PAD_INS, "PAD_INS" );
addKeyName(KEY_PAD_DEL, "PAD_DEL" );
addKeyName(KEY_PAD_RETURN, "PAD_Enter" );
addKeyName(KEY_BUTTON0, "PAD_BUTTON0" );
addKeyName(KEY_BUTTON1, "PAD_BUTTON1" );
addKeyName(KEY_BUTTON2, "PAD_BUTTON2" );
addKeyName(KEY_BUTTON3, "PAD_BUTTON3" );
addKeyName(KEY_BUTTON4, "PAD_BUTTON4" );
addKeyName(KEY_BUTTON5, "PAD_BUTTON5" );
addKeyName(KEY_BUTTON6, "PAD_BUTTON6" );
addKeyName(KEY_BUTTON7, "PAD_BUTTON7" );
addKeyName(KEY_BUTTON8, "PAD_BUTTON8" );
addKeyName(KEY_BUTTON9, "PAD_BUTTON9" );
addKeyName(KEY_BUTTON10, "PAD_BUTTON10" );
addKeyName(KEY_BUTTON11, "PAD_BUTTON11" );
addKeyName(KEY_BUTTON12, "PAD_BUTTON12" );
addKeyName(KEY_BUTTON13, "PAD_BUTTON13" );
addKeyName(KEY_BUTTON14, "PAD_BUTTON14" );
addKeyName(KEY_BUTTON15, "PAD_BUTTON15" );
addKeyName(KEY_BACKSPACE, "Backsp" );
addKeyName(KEY_DELETE, "Del" );
addKeyName(KEY_SHIFT, "Shift" );
addKeyName(KEY_CONTROL, "Ctrl" );
addKeyName(KEY_ALT, "Alt" );
addKeyName(KEY_HYPHEN, "-" );
addKeyName(KEY_EQUALS, "=" );
addKeyName(KEY_INSERT, "Ins" );
addKeyName(KEY_CAPSLOCK, "CapsLock" );
}
LLKeyboard::~LLKeyboard()
{
// nothing
}
void LLKeyboard::addKeyName(KEY key, const std::string& name)
{
sKeysToNames[key] = name;
std::string nameuc = name;
LLStringUtil::toUpper(nameuc);
sNamesToKeys[nameuc] = key;
}
// BUG this has to be called when an OS dialog is shown, otherwise modifier key state
// is wrong because the keyup event is never received by the main window. JC
void LLKeyboard::resetKeys()
{
S32 i;
for (i = 0; i < KEY_COUNT; i++)
{
if( mKeyLevel[i] )
{
mKeyLevel[i] = FALSE;
}
}
for (i = 0; i < KEY_COUNT; i++)
{
mKeyUp[i] = FALSE;
}
for (i = 0; i < KEY_COUNT; i++)
{
mKeyDown[i] = FALSE;
}
for (i = 0; i < KEY_COUNT; i++)
{
mKeyRepeated[i] = FALSE;
}
}
BOOL LLKeyboard::translateKey(const U16 os_key, KEY *out_key)
{
std::map<U16, KEY>::iterator iter;
// Only translate keys in the map, ignore all other keys for now
iter = mTranslateKeyMap.find(os_key);
if (iter == mTranslateKeyMap.end())
{
//llwarns << "Unknown virtual key " << os_key << llendl;
*out_key = 0;
return FALSE;
}
else
{
*out_key = iter->second;
return TRUE;
}
}
U16 LLKeyboard::inverseTranslateKey(const KEY translated_key)
{
std::map<KEY, U16>::iterator iter;
iter = mInvTranslateKeyMap.find(translated_key);
if (iter == mInvTranslateKeyMap.end())
{
return 0;
}
else
{
return iter->second;
}
}
BOOL LLKeyboard::handleTranslatedKeyDown(KEY translated_key, U32 translated_mask)
{
BOOL handled = FALSE;
BOOL repeated = FALSE;
// is this the first time the key went down?
// if so, generate "character" message
if( !mKeyLevel[translated_key] )
{
mKeyLevel[translated_key] = TRUE;
mKeyLevelTimer[translated_key].reset();
mKeyLevelFrameCount[translated_key] = 0;
mKeyRepeated[translated_key] = FALSE;
}
else
{
// Level is already down, assume it's repeated.
repeated = TRUE;
mKeyRepeated[translated_key] = TRUE;
}
mKeyDown[translated_key] = TRUE;
mCurTranslatedKey = (KEY)translated_key;
handled = mCallbacks->handleTranslatedKeyDown(translated_key, translated_mask, repeated);
return handled;
}
BOOL LLKeyboard::handleTranslatedKeyUp(KEY translated_key, U32 translated_mask)
{
BOOL handled = FALSE;
if( mKeyLevel[translated_key] )
{
mKeyLevel[translated_key] = FALSE;
// Only generate key up events if the key is thought to
// be down. This allows you to call resetKeys() in the
// middle of a frame and ignore subsequent KEY_UP
// messages in the same frame. This was causing the
// sequence W<return> in chat to move agents forward. JC
mKeyUp[translated_key] = TRUE;
handled = mCallbacks->handleTranslatedKeyUp(translated_key, translated_mask);
}
lldebugst(LLERR_USER_INPUT) << "keyup -" << translated_key << "-" << llendl;
return handled;
}
void LLKeyboard::toggleInsertMode()
{
if (LL_KIM_INSERT == mInsertMode)
{
mInsertMode = LL_KIM_OVERWRITE;
}
else
{
mInsertMode = LL_KIM_INSERT;
}
}
// Returns time in seconds since key was pressed.
F32 LLKeyboard::getKeyElapsedTime(KEY key)
{
return mKeyLevelTimer[key].getElapsedTimeF32();
}
// Returns time in frames since key was pressed.
S32 LLKeyboard::getKeyElapsedFrameCount(KEY key)
{
return mKeyLevelFrameCount[key];
}
// static
BOOL LLKeyboard::keyFromString(const std::string& str, KEY *key)
{
std::string instring(str);
size_t length = instring.size();
if (length < 1)
{
return FALSE;
}
if (length == 1)
{
char ch = toupper(instring[0]);
if (('0' <= ch && ch <= '9') ||
('A' <= ch && ch <= 'Z') ||
('!' <= ch && ch <= '/') || // !"#$%&'()*+,-./
(':' <= ch && ch <= '@') || // :;<=>?@
('[' <= ch && ch <= '`') || // [\]^_`
('{' <= ch && ch <= '~')) // {|}~
{
*key = ch;
return TRUE;
}
}
LLStringUtil::toUpper(instring);
KEY res = get_if_there(sNamesToKeys, instring, (KEY)0);
if (res != 0)
{
*key = res;
return TRUE;
}
llwarns << "keyFromString failed: " << str << llendl;
return FALSE;
}
// static
std::string LLKeyboard::stringFromKey(KEY key)
{
std::string res = get_if_there(sKeysToNames, key, std::string());
if (res.empty())
{
char buffer[2]; /* Flawfinder: ignore */
buffer[0] = key;
buffer[1] = '\0';
res = std::string(buffer);
}
return res;
}
//static
BOOL LLKeyboard::maskFromString(const std::string& str, MASK *mask)
{
std::string instring(str);
if (instring == "NONE")
{
*mask = MASK_NONE;
return TRUE;
}
else if (instring == "SHIFT")
{
*mask = MASK_SHIFT;
return TRUE;
}
else if (instring == "CTL")
{
*mask = MASK_CONTROL;
return TRUE;
}
else if (instring == "ALT")
{
*mask = MASK_ALT;
return TRUE;
}
else if (instring == "CTL_SHIFT")
{
*mask = MASK_CONTROL | MASK_SHIFT;
return TRUE;
}
else if (instring == "ALT_SHIFT")
{
*mask = MASK_ALT | MASK_SHIFT;
return TRUE;
}
else if (instring == "CTL_ALT")
{
*mask = MASK_CONTROL | MASK_ALT;
return TRUE;
}
else if (instring == "CTL_ALT_SHIFT")
{
*mask = MASK_CONTROL | MASK_ALT | MASK_SHIFT;
return TRUE;
}
else
{
return FALSE;
}
}
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