134 lines
3.7 KiB
C
134 lines
3.7 KiB
C
/*
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* Apple // emulator for *ix
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*
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* This software package is subject to the GNU General Public License
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* version 3 or later (your choice) as published by the Free Software
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* Foundation.
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*
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* Copyright 2013-2015 Aaron Culliney
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*
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*/
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#ifndef _JOYSTICK_H_
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#define _JOYSTICK_H_
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#define JOY_RANGE 0x100
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#define HALF_JOY_RANGE 0x80
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extern uint16_t joy_x;
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extern uint16_t joy_y;
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extern uint8_t joy_button0;
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extern uint8_t joy_button1;
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extern uint8_t joy_button2;
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extern bool joy_clip_to_radius;
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#ifdef KEYPAD_JOYSTICK
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extern uint8_t joy_auto_recenter;
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extern short joy_step;
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#endif
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void c_joystick_reset(void);
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#ifdef INTERFACE_CLASSIC
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void c_calibrate_joystick(void);
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#endif
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#if INTERFACE_TOUCH
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typedef enum touchjoy_variant_t {
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EMULATED_NONE = 0,
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EMULATED_JOYSTICK, // touch interface emulates a physical joystick device
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EMULATED_KEYPAD, // touch interface generates key presses
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} touchjoy_variant_t;
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typedef enum touchjoy_button_type_t {
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TOUCH_NONE = -1,
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TOUCH_BUTTON0 = 0,
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TOUCH_BUTTON1,
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TOUCH_BOTH,
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// --or-- an ASCII/fonttext value ...
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} touchjoy_button_type_t;
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#define ROSETTE_ROWS 3
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#define ROSETTE_COLS 3
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enum {
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ROSETTE_NORTHWEST=0,
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ROSETTE_NORTH,
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ROSETTE_NORTHEAST,
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ROSETTE_WEST,
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ROSETTE_CENTER,
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ROSETTE_EAST,
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ROSETTE_SOUTHWEST,
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ROSETTE_SOUTH,
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ROSETTE_SOUTHEAST,
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};
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// is the touch joystick available
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extern bool (*joydriver_isTouchJoystickAvailable)(void);
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// enable/disable touch joystick
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extern void (*joydriver_setTouchJoystickEnabled)(bool enabled);
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// grant/remove ownership of touch screen
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extern void (*joydriver_setTouchJoystickOwnsScreen)(bool pwnd);
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// query touch screen ownership
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extern bool (*joydriver_ownsScreen)(void);
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/*
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* set the joystick button types/visuals (scancodes are fired for EMULATED_KEYPAD variant)
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*
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* - for EMULATED_JOYSTICK, there is an implicit extra layer-of-indirection for the touchjoy_button_type_t, which maps
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* to the open apple, closed apple, or "both" visual keys
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*
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* - for EMULATED_KEYPAD, the touchjoy_button_type_t is the displayed visual (as ASCII value and lookup into font
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* table)
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*/
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extern void (*joydriver_setTouchButtonTypes)(
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touchjoy_button_type_t touchDownChar, int downScancode,
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touchjoy_button_type_t northChar, int northScancode,
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touchjoy_button_type_t southChar, int southScancode);
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// set the button tap delay (to differentiate between single tap and north/south/etc swipe)
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extern void (*joydriver_setTapDelay)(float secs);
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// set the sensitivity multiplier
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extern void (*joydriver_setTouchAxisSensitivity)(float multiplier);
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// set the touch button switch threshold
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extern void (*joydriver_setButtonSwitchThreshold)(int delta);
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// set the joystick variant
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extern void (*joydriver_setTouchVariant)(touchjoy_variant_t variant);
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// get the joystick variant
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extern touchjoy_variant_t (*joydriver_getTouchVariant)(void);
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// set the axis visuals (scancodes are fired for EMULATED_KEYPAD variant)
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extern void (*joydriver_setTouchAxisTypes)(uint8_t rosetteChars[(ROSETTE_ROWS * ROSETTE_COLS)], int rosetteScancodes[(ROSETTE_ROWS * ROSETTE_COLS)]);
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// set screen divide between axis and buttons
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extern void (*joydriver_setScreenDivision)(float division);
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// swap axis and buttons sides
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extern void (*joydriver_setAxisOnLeft)(bool axisIsOnLeft);
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// begin calibration mode
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extern void (*joydriver_beginCalibration)(void);
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// end calibration mode
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extern void (*joydriver_endCalibration)(void);
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// end calibration mode
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extern bool (*joydriver_isCalibrating)(void);
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// set controls visibility
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extern void (*joydriver_setShowControls)(bool showControls);
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// set key repeat threshold (keypad joystick)
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extern void (*joydriver_setKeyRepeatThreshold)(float repeatThresholdSecs);
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#endif // INTERFACE_TOUCH
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#endif // whole file
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