/usr/include/crystalspace-2.0/csutil/csinput.h is in libcrystalspace-dev 2.0+dfsg-1build1.
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Crystal Space input library
Copyright (C) 1998,2000 by Jorrit Tyberghein
Written by Andrew Zabolotny <bit@eltech.ru>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CS_CSINPUT_H__
#define __CS_CSINPUT_H__
/**\file
* Input drivers.
* These are the low-level implementations of generic classes of input devices
* like keyboard, mouse, and joystick.
*/
#include "csextern.h"
#include "csutil/hash.h"
#include "csutil/scf_implementation.h"
#include "csutil/csstring.h"
#include "iutil/csinput.h"
#include "iutil/eventh.h"
struct iEvent;
struct iEventQueue;
struct iObjectRegistry;
/**
* Superclass of all the generic input drivers.
*/
class CS_CRYSTALSPACE_EXPORT csInputDriver
{
private:
bool Registered;
protected:
iObjectRegistry* Registry;
csRef<iEventNameRegistry> NameRegistry;
iEventHandler* Listener;
csEventID FocusChanged;
csEventID FocusGained;
csEventID FocusLost;
csInputDriver(iObjectRegistry*);
virtual ~csInputDriver();
csPtr<iEventQueue> GetEventQueue();
virtual void GainFocus() = 0;
virtual void LostFocus() = 0;
virtual void Post(iEvent*);
virtual bool HandleEvent(iEvent&);
friend struct FocusListener;
void StartListening();
void StopListening();
};
class CS_CRYSTALSPACE_EXPORT csKeyComposer :
public scfImplementation1<csKeyComposer, iKeyComposer>
{
protected:
utf32_char lastDead;
public:
csKeyComposer ();
virtual ~csKeyComposer ();
virtual csKeyComposeResult HandleKey (const csKeyEventData& keyEventData,
utf32_char* buf, size_t bufChars, int* resultChars = 0);
virtual void ResetState ();
};
#ifdef CS_DEBUG
#ifndef CS_KEY_DEBUG_ENABLE
/**
* Define at CrystalSpace build time to enable support for keyboard input
* debugging. (By default available in debug, but not optimize builds.)
*/
#define CS_KEY_DEBUG_ENABLE
#endif
#endif
/**
* Generic Keyboard Driver.
* Keyboard driver should generate events and put them into
* an event queue. Also it tracks the current state of all keys.
*/
class CS_CRYSTALSPACE_EXPORT csKeyboardDriver : public csInputDriver,
public scfImplementation2<csKeyboardDriver, iKeyboardDriver, iEventHandler>
{
protected:
/// Key state array.
csHash<bool, utf32_char> keyStates;
csKeyModifiers modifiersState;
bool keyDebug;
bool keyDebugChecked;
csEventID KeyboardUp;
csEventID KeyboardDown;
/**
* Set key state. For example SetKey (CSKEY_UP, true). Called
* automatically by do_press and do_release.
*/
virtual void SetKeyState (utf32_char codeRaw, bool iDown,
bool autoRepeat);
/**
* Generates a 'cooked' key code for a 'raw' key code from some simple
* rules.
*/
virtual void SynthesizeCooked (utf32_char codeRaw,
const csKeyModifiers& modifiers, utf32_char& codeCooked);
const char* GetKeycodeString (utf32_char code);
bool IsKeyboardDebugging ();
/// Application lost focus.
virtual void LostFocus() { Reset(); }
virtual void GainFocus() { RestoreKeys(); }
virtual bool HandleEvent (iEvent& e)
{
return csInputDriver::HandleEvent (e);
}
public:
/// Initialize keyboard interface.
csKeyboardDriver (iObjectRegistry*);
/// Destructor.
virtual ~csKeyboardDriver ();
CS_EVENTHANDLER_NAMES("crystalspace.inputdriver.keyboard")
CS_EVENTHANDLER_NIL_CONSTRAINTS
/// Call to release all key down flags.
virtual void Reset ();
/// Call to get the key down flags in sync with the actual pressed keys.
virtual void RestoreKeys ();
/**
* Call this routine to add a key down/up event to queue.
* \param codeRaw 'Raw' code of the pressed key.
* \param codeCooked 'Cooked' code of the pressed key.
* \param iDown Whether the key is up or down.
* \param autoRepeat Auto-repeat flag for the key event. Typically only
* used by the platform-specific keyboard agents.
* \param charType When the cooked code is a character, it determines
* whether it is a normal, dead or composed character.
*/
virtual void DoKey (utf32_char codeRaw, utf32_char codeCooked, bool iDown,
bool autoRepeat = false, csKeyCharType charType = csKeyCharTypeNormal);
/**
* Query the state of a key. All key codes are supported. Returns true if
* the key is pressed, false if not.
*/
virtual bool GetKeyState (utf32_char codeRaw) const;
/**
* Query the state of a modifier key.
* Returns a bit field, where the nth bit is set if the nth modifier of a
* type is pressed. If a specific modifier is requested, e.g.
* #CSKEY_SHIFT_LEFT, only the according bit is set. Otherwise, for a generic
* modifier (e.g. #CSKEY_SHIFT), all distinct modifier keys of that type are
* represented.<p>
* Example: Test if any Alt key is pressed:
* \code
* bool pressed = (KeyboardDriver->GetModifierState(CSKEY_ALT) != 0);
* \endcode
* Example: Test if the right Ctrl key is pressed:
* \code
* bool pressed = (KeyboardDriver->GetModifierState(CSKEY_CTRL_RIGHT) != 0);
* \endcode
* \param codeRaw Raw code of the modifier key.
* \return Bit mask with the pressed modifiers.
*/
virtual uint32 GetModifierState (utf32_char codeRaw) const;
virtual csPtr<iKeyComposer> CreateKeyComposer ();
/// Fills in the 'cooked' key code of an event with only a 'raw' key code.
virtual csEventError SynthesizeCooked (iEvent *);
const csKeyModifiers& GetModifiersState () const { return modifiersState; }
};
/**
* Generic Mouse Driver.
* Mouse driver should generate events and put them into the event queue. Also
* it is responsible for generating double-click events. Mouse button numbers
* are 0-based.
* \todo The csMouseDriver and csJoystickDriver should be unified, since there's
* no real distinction between them under the hood.
*/
class CS_CRYSTALSPACE_EXPORT csMouseDriver : public csInputDriver,
public scfImplementation2<csMouseDriver, iMouseDriver, iEventHandler>
{
private:
// Generic keyboard driver (for checking modifier key states).
csRef<iKeyboardDriver> Keyboard;
virtual bool HandleEvent (iEvent& e)
{
return csInputDriver::HandleEvent (e);
}
protected:
/// Last "mouse down" event time
csTicks LastClickTime[CS_MAX_MOUSE_COUNT];
/// Last "mouse down" event button
int LastClickButton[CS_MAX_MOUSE_COUNT];
/// Last "mouse down" event position
int LastClick [CS_MAX_MOUSE_COUNT][CS_MAX_MOUSE_AXES];
/// Last mouse positions
int32 Last [CS_MAX_MOUSE_COUNT][CS_MAX_MOUSE_AXES];
uint Axes [CS_MAX_MOUSE_COUNT];
/**
* Mouse buttons state.
* \todo Change this to a bitmask.
*/
bool Button [CS_MAX_MOUSE_COUNT][CS_MAX_MOUSE_BUTTONS];
/// Mouse double click max interval in 1/1000 seconds
csTicks DoubleClickTime;
/// Mouse double click max distance
size_t DoubleClickDist;
/// Get the generic keyboard driver (for checking modifier states).
iKeyboardDriver* GetKeyboardDriver();
public:
/// Initialize mouse interface.
csMouseDriver (iObjectRegistry*);
/// Destructor.
virtual ~csMouseDriver ();
CS_EVENTHANDLER_NAMES("crystalspace.inputdriver.mouse")
CS_EVENTHANDLER_NIL_CONSTRAINTS
/// Set double-click mouse parameters
virtual void SetDoubleClickTime (int iTime, size_t iDist);
/// Call to release all mouse buttons.
virtual void Reset ();
/// Query last mouse X position for mouse \#n (0, 1, 2, ...)
virtual int GetLastX (uint n) const { return Last[n][0]; }
/// Query last mouse Y position for mouse \#n (0, 1, 2, ...)
virtual int GetLastY (uint n) const { return Last[n][1]; }
/// Query last mouse position on axis (0, 1, 2, ...) for mouse n (0, 1, 2, ...)
virtual int GetLast (uint n, uint axis) const
{ return Last[n][axis]; }
/// Query last mouse axis array for mouse n (0, 1, 2, ...)
virtual const int32 *GetLast (uint n) const
{ return Last [n]; }
/// Query the last known mouse button state for mouse \#0
virtual bool GetLastButton (int button) const
{ return GetLastButton(0, button); }
/// Query the last known mouse button state
virtual bool GetLastButton (uint number, int button) const
{
return (number < CS_MAX_MOUSE_COUNT
&& button >= 0 && button < CS_MAX_MOUSE_BUTTONS) ?
Button [number][button] : false;
}
/// Call this to add a 'mouse button down/up' event to queue
virtual void DoButton (uint number, int button, bool down,
const int32 *axes, uint numAxes);
virtual void DoButton (int button, bool down, const int32 *axes,
uint numAxes)
{ DoButton (0, button, down, axes, numAxes); }
virtual void DoButton (int button, bool down, int x, int y)
{ int32 axes[2] = {x, y}; DoButton (0, button, down, axes, 2); }
/// Call this to add a 'mouse moved' event to queue
virtual void DoMotion (uint number, const int32 *axes, uint numAxes);
virtual void DoMotion (const int32 *axes, uint numAxes)
{ DoMotion (0, axes, numAxes); }
virtual void DoMotion (int x, int y)
{ int32 axes[2] = {x, y}; DoMotion (0, axes, 2); }
/// Application lost focus.
virtual void LostFocus() { Reset(); }
virtual void GainFocus() { }
};
#include "csutil/deprecated_warn_off.h"
/**
* Generic Joystick driver.
* The joystick driver is responsible for tracking current
* joystick state and also for generating joystick events.
* Joystick numbers and button numbers are 0-based.
*/
class CS_CRYSTALSPACE_EXPORT csJoystickDriver : public csInputDriver,
public scfImplementation2<csJoystickDriver, iJoystickDriver, iEventHandler>
{
private:
// Generic keyboard driver (for checking modifier key states).
csRef<iKeyboardDriver> Keyboard;
protected:
/**
* Joystick button states
* \todo Change this to a bitmask
*/
bool Button [CS_MAX_JOYSTICK_COUNT][CS_MAX_JOYSTICK_BUTTONS];
/// Joystick axis positions
int32 Last [CS_MAX_JOYSTICK_COUNT][CS_MAX_JOYSTICK_AXES];
uint Axes [CS_MAX_JOYSTICK_COUNT];
/// Get the generic keyboard driver (for checking modifier states).
iKeyboardDriver* GetKeyboardDriver();
virtual bool HandleEvent (iEvent& e)
{
return csInputDriver::HandleEvent (e);
}
public:
/// Initialize joystick interface.
csJoystickDriver (iObjectRegistry*);
/// Destructor.
virtual ~csJoystickDriver ();
CS_EVENTHANDLER_NAMES("crystalspace.inputdriver.joystick")
CS_EVENTHANDLER_NIL_CONSTRAINTS
/// Call to release all joystick buttons.
virtual void Reset ();
virtual const int32 *GetLast (uint number) const
{ return Last [number]; }
virtual int GetLast (uint number, uint axis) const
{ return Last [number][axis]; }
/// Query the last known joystick button state
virtual bool GetLastButton (uint number, int button) const
{
return (number < CS_MAX_JOYSTICK_COUNT
&& button >= 0 && button < CS_MAX_JOYSTICK_BUTTONS) ?
Button [number][button] : false;
}
/// Call this to add a 'joystick button down/up' event to queue
virtual void DoButton (uint number, int button, bool down,
const int32 *axes, uint numAxes);
/// Call this to add a 'joystick moved' event to queue
virtual void DoMotion (uint number, const int32 *axes, uint numAxes);
/// Application lost focus.
virtual void LostFocus() { Reset(); }
virtual void GainFocus() { }
};
#include "csutil/deprecated_warn_on.h"
#endif // __CS_CSINPUT_H__
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