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/**
* @file llviewerkeyboard.h
* @brief LLViewerKeyboard class header file
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* 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_LLVIEWERKEYBOARD_H
#define LL_LLVIEWERKEYBOARD_H
#include "llkeyboard.h" // For EKeystate
#include "llinitparam.h"
const S32 MAX_NAMED_FUNCTIONS = 100;
const S32 MAX_KEY_BINDINGS = 128; // was 60
class LLNamedFunction
{
public:
LLNamedFunction() : mFunction(NULL) { };
~LLNamedFunction() { };
std::string mName;
LLKeyFunc mFunction;
};
class LLKeyboardBinding
{
public:
KEY mKey;
MASK mMask;
bool mIgnoreMask; // whether CTRL/ALT/SHIFT should be checked
LLKeyFunc mFunction;
};
class LLMouseBinding
{
public:
EMouseClickType mMouse;
MASK mMask;
bool mIgnoreMask; // whether CTRL/ALT/SHIFT should be checked
LLKeyFunc mFunction;
};
typedef enum e_keyboard_mode
{
MODE_FIRST_PERSON,
MODE_THIRD_PERSON,
MODE_EDIT,
MODE_EDIT_AVATAR,
MODE_SITTING,
MODE_COUNT
} EKeyboardMode;
class LLWindow;
void bind_keyboard_functions();
class LLViewerKeyboard
{
public:
struct KeyBinding : public LLInitParam::Block<KeyBinding>
{
Mandatory<std::string> key,
mask,
command;
Optional<std::string> mouse; // Note, not mandatory for the sake of backward campatibility
Optional<bool> ignore;
KeyBinding();
};
struct KeyMode : public LLInitParam::Block<KeyMode>
{
Multiple<KeyBinding> bindings;
KeyMode();
};
struct Keys : public LLInitParam::Block<Keys>
{
Optional<KeyMode> first_person,
third_person,
edit,
sitting,
edit_avatar;
Keys();
};
LLViewerKeyboard();
BOOL handleKey(KEY key, MASK mask, BOOL repeated);
BOOL handleKeyUp(KEY key, MASK mask);
S32 loadBindings(const std::string& filename); // returns number bound, 0 on error
S32 loadBindingsXML(const std::string& filename); // returns number bound, 0 on error
EKeyboardMode getMode() const;
BOOL modeFromString(const std::string& string, S32 *mode) const; // False on failure
BOOL mouseFromString(const std::string& string, EMouseClickType *mode) const;// False on failure
void scanKey(KEY key, BOOL key_down, BOOL key_up, BOOL key_level) const;
// handleMouse() records state, scanMouse() goes through states, scanMouse(click) processes individual saved states after UI is done with them
BOOL handleMouse(LLWindow *window_impl, LLCoordGL pos, MASK mask, EMouseClickType clicktype, BOOL down);
void LLViewerKeyboard::scanMouse();
private:
bool scanKey(const LLKeyboardBinding* binding,
S32 binding_count,
KEY key,
MASK mask,
BOOL key_down,
BOOL key_up,
BOOL key_level,
bool repeat) const;
enum EMouseState
{
MOUSE_STATE_DOWN, // key down this frame
MOUSE_STATE_CLICK, // key went up and down in scope of same frame
MOUSE_STATE_LEVEL, // clicked again fast, or never released
MOUSE_STATE_UP, // went up this frame
MOUSE_STATE_SILENT // notified about 'up', do not notify again
};
bool scanMouse(EMouseClickType click, EMouseState state) const;
bool scanMouse(const LLMouseBinding *binding,
S32 binding_count,
EMouseClickType mouse,
MASK mask,
EMouseState state) const;
S32 loadBindingMode(const LLViewerKeyboard::KeyMode& keymode, S32 mode);
BOOL bindKey(const S32 mode, const KEY key, const MASK mask, const bool ignore, const std::string& function_name);
BOOL bindMouse(const S32 mode, const EMouseClickType mouse, const MASK mask, const bool ignore, const std::string& function_name);
void resetBindings();
// Hold all the ugly stuff torn out to make LLKeyboard non-viewer-specific here
// We process specific keys first, then keys that should ignore mask.
// This way with W+ignore defined to 'forward' and with ctrl+W tied to camera,
// pressing undefined Shift+W will do 'forward', yet ctrl+W will do 'camera forward'
// With A defined to 'turn', shift+A defined to strafe, pressing Shift+W+A will do strafe+forward
S32 mKeyBindingCount[MODE_COUNT];
S32 mKeyIgnoreMaskCount[MODE_COUNT];
S32 mMouseBindingCount[MODE_COUNT];
S32 mMouseIgnoreMaskCount[MODE_COUNT];
LLKeyboardBinding mKeyBindings[MODE_COUNT][MAX_KEY_BINDINGS];
LLKeyboardBinding mKeyIgnoreMask[MODE_COUNT][MAX_KEY_BINDINGS];
LLMouseBinding mMouseBindings[MODE_COUNT][MAX_KEY_BINDINGS];
LLMouseBinding mMouseIgnoreMask[MODE_COUNT][MAX_KEY_BINDINGS];
typedef std::map<U32, U32> key_remap_t;
key_remap_t mRemapKeys[MODE_COUNT];
std::set<KEY> mKeysSkippedByUI;
BOOL mKeyHandledByUI[KEY_COUNT]; // key processed successfully by UI
// This is indentical to what llkeyboard does (mKeyRepeated, mKeyLevel, mKeyDown e t c),
// just instead of remembering individually as bools, we record state as enum
EMouseState mMouseLevel[CLICK_COUNT]; // records of key state
};
extern LLViewerKeyboard gViewerKeyboard;
#endif // LL_LLVIEWERKEYBOARD_H
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