ugfx/src/ginput/keyboard.h

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/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
*
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* http://ugfx.org/license.html
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*/
/**
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* @file src/ginput/keyboard.h
* @brief GINPUT GFX User Input subsystem header file.
*
* @defgroup Keyboard Keyboard
* @ingroup GINPUT
* @{
*/
#ifndef _GINPUT_KEYBOARD_H
#define _GINPUT_KEYBOARD_H
#if GINPUT_NEED_KEYBOARD || defined(__DOXYGEN__)
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
#define GINPUT_KEYBOARD_NUM_PORTS 1 // The total number of keyboard inputs
// Event types for various ginput sources
#define GEVENT_KEYBOARD (GEVENT_GINPUT_FIRST+2)
typedef struct GEventKeyboard_t {
GEventType type; // The type of this event (GEVENT_KEYBOARD)
uint16_t instance; // The keyboard instance
char c; // The Ascii code for the current key press.
// The only possible values are 0(NUL), 8(BS), 9(TAB), 13(CR), 27(ESC), 32(SPACE) to 126(~), 127(DEL)
// 0 indicates an extended only key.
uint16_t code; // An extended keyboard code. Codes less than 128 match their ascii equivelent.
#define GKEY_NULL 0
#define GKEY_BACKSPACE 8
#define GKEY_TAB 9
#define GKEY_CR 13
#define GKEY_ESC 27
#define GKEY_SPACE 32
#define GKEY_DEL 127
#define GKEY_UP 0x0101
#define GKEY_DOWN 0x0102
#define GKEY_LEFT 0x0103
#define GKEY_RIGHT 0x0104
#define GKEY_HOME 0x0105
#define GKEY_END 0x0106
#define GKEY_PAGEUP 0x0107
#define GKEY_PAGEDOWN 0x0108
#define GKEY_INSERT 0x0109
#define GKEY_DELETE 0x010A
#define GKEY_SHIFT 0x0201
#define GKEY_CNTRL 0x0202
#define GKEY_ALT 0x0203
#define GKEY_WINKEY 0x0204
#define GKEY_RCLKEY 0x0205
#define GKEY_FNKEY 0x0206
#define GKEY_FN1 0x0301
#define GKEY_FN2 0x0302
#define GKEY_FN3 0x0303
#define GKEY_FN4 0x0304
#define GKEY_FN5 0x0305
#define GKEY_FN6 0x0306
#define GKEY_FN7 0x0307
#define GKEY_FN8 0x0308
#define GKEY_FN9 0x0309
#define GKEY_FN10 0x030A
#define GKEY_FN11 0x030B
#define GKEY_FN12 0x030C
uint16_t current_buttons; // A bit is set to indicate various meta status.
#define GMETA_KEY_DOWN 0x0001
#define GMETA_KEY_SHIFT 0x0002
#define GMETA_KEY_CNTRL 0x0004
#define GMETA_KEY_ALT 0x0008
#define GMETA_KEY_WINKEY 0x0010
#define GMETA_KEY_RCLKKEY 0x0020
#define GMETA_KEY_FN 0x0040
#define GMETA_KEY_MISSED_EVENT 0x8000
uint16_t last_buttons; // The value of current_buttons on the last event
} GEventKeyboard;
// Keyboard Listen Flags - passed to geventAddSourceToListener()
#define GLISTEN_KEYREPEATS 0x0001 // Return key repeats (where the key is held down to get a repeat character)
#define GLISTEN_KEYCODES 0x0002 // Return all key presses including extended code key presses (not just ascii codes)
#define GLISTEN_KEYALL 0x0004 // Return keyup's, keydown's and everything in between (but not repeats unless GLISTEN_KEYREPEATS is set).
#define GLISTEN_KEYSINGLE 0x8000 // Return only when one particular extended code key is pressed or released. The particular extended code is OR'd into this value
// eg. (GLISTEN_KEYSINGLE | GKEY_CR)
// No other flags may be set with this flag.
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Create a keyboard input instance
*
* @param[in] instance The ID of the keyboard input instance (from 0 to 9999)
*
* @return The source handle of the created input instance
*/
GSourceHandle ginputGetKeyboard(uint16_t instance);
/**
* @brief Get the current keyboard status
*
* @param[in] instance The ID of the keyboard input instance
* @param[in] pkeyboard The keyboard event struct
*
* @return Returns FALSE on an error (eg invalid instance)
*/
bool_t ginputGetKeyboardStatus(uint16_t instance, GEventKeyboard *pkeyboard);
#ifdef __cplusplus
}
#endif
#endif /* GINPUT_NEED_KEYBOARD */
#endif /* _GINPUT_KEYBOARD_H */
/** @} */