// Retrigger the last-pressed key
void _keyretrigger(usbdevice* kb){
int scancode = kb->lastkeypress;
postevent_kp(kb->event, kb->modifiers, scancode, 1, 0, 1);
// Set next key repeat time
long repeat = repeattime(kb->event, 0);
if(repeat > 0)
timespec_add(&kb->keyrepeat, repeat);
else
kb->lastkeypress = KEY_NONE;
}
void os_keypress(usbdevice* kb, int scancode, int down){
// Check for modifier keys and update flags
int flags = 0;
// Keep a separate list of left/right side modifiers - combine them below
IOOptionBits* side = (scancode == KEY_RIGHTSHIFT || scancode == KEY_RIGHTCTRL || scancode == KEY_RIGHTMETA || scancode == KEY_RIGHTALT) ? &kb->rflags : &kb->lflags;
CGEventFlags mod = 0;
if(scancode == KEY_CAPSLOCK){
if(down)
kb->lflags ^= NX_ALPHASHIFTMASK;
flags = 1;
} else if(scancode == KEY_LEFTSHIFT || scancode == KEY_RIGHTSHIFT){
mod = NX_SHIFTMASK;
mod |= (scancode == KEY_LEFTSHIFT) ? NX_DEVICELSHIFTKEYMASK : NX_DEVICERSHIFTKEYMASK;
flags = 1;
} else if(scancode == KEY_LEFTCTRL || scancode == KEY_RIGHTCTRL){
mod = NX_CONTROLMASK;
mod |= (scancode == KEY_LEFTCTRL) ? NX_DEVICELCTLKEYMASK : NX_DEVICERCTLKEYMASK;
flags = 1;
} else if(scancode == KEY_LEFTMETA || scancode == KEY_RIGHTMETA){
mod = NX_COMMANDMASK;
mod |= (scancode == KEY_LEFTMETA) ? NX_DEVICELCMDKEYMASK : NX_DEVICERCMDKEYMASK;
flags = 1;
} else if(scancode == KEY_LEFTALT || scancode == KEY_RIGHTALT){
mod = NX_ALTERNATEMASK;
mod |= (scancode == KEY_LEFTALT) ? NX_DEVICELALTKEYMASK : NX_DEVICERALTKEYMASK;
flags = 1;
}
if(flags){
// Update flags when a modifier key is pressed
if(down)
*side |= mod;
else
*side &= ~mod;
kb->eventflags = kb->lflags | kb->rflags;
kb->lastkeypress = KEY_NONE;
} else {
// For any other key, trigger key repeat
if(down){
long repeat = repeattime(kb->event, 1);
if(repeat > 0){
kb->lastkeypress = scancode;
clock_gettime(CLOCK_MONOTONIC, &kb->keyrepeat);
timespec_add(&kb->keyrepeat, repeat);
} else
kb->lastkeypress = KEY_NONE;
} else
kb->lastkeypress = KEY_NONE;
}
postevent(kb->event, kb->eventflags, scancode, down, flags, 0);
}
void keyretrigger(usbdevice* kb){
int scancode = kb->lastkeypress;
if(scancode < 0)
return;
// Retrigger the last-pressed key
postevent(kb->event, kb->eventflags, scancode, 1, 0, 1);
// Set next key repeat time
long repeat = repeattime(kb->event, 0);
if(repeat > 0)
timespec_add(&kb->keyrepeat, repeat);
else
kb->lastkeypress = KEY_NONE;
}
void os_keypress(usbdevice* kb, int scancode, int down){
if(scancode & SCAN_MOUSE){
if(scancode == BTN_WHEELUP){
if(down)
postevent_wheel(kb->event, !!(kb->features & FEAT_MOUSEACCEL), 1);
return;
} else if(scancode == BTN_WHEELDOWN){
if(down)
postevent_wheel(kb->event, !!(kb->features & FEAT_MOUSEACCEL), -1);
return;
}
int button = scancode & ~SCAN_MOUSE;
// Reverse or collapse left/right buttons if the system preferences say so
int mode;
if(IOHIDGetMouseButtonMode(kb->event, &mode) == kIOReturnSuccess){
if(mode == kIOHIDButtonMode_ReverseLeftRightClicks && button == 0)
button = 1;
else if(mode != kIOHIDButtonMode_EnableRightClick && button == 1)
button = 0;
}
postevent_mb(kb->event, button, down);
if(down)
kb->mousestate |= (1 << button);
else
kb->mousestate &= ~(1 << button);
return;
}
// Some boneheaded Apple engineers decided to reverse kVK_ANSI_Grave and kVK_ISO_Section on the 105-key layouts...
if(!HAS_ANY_FEATURE(kb, FEAT_LMASK)){
// If the layout hasn't been set yet, it can be auto-detected from certain keys
if(scancode == KEY_BACKSLASH_ISO || scancode == KEY_102ND)
kb->features |= FEAT_ISO;
else if(scancode == KEY_BACKSLASH)
kb->features |= FEAT_ANSI;
}
if(scancode == KEY_BACKSLASH_ISO)
scancode = KEY_BACKSLASH;
if(HAS_FEATURES(kb, FEAT_ISO)){
// Compensate for key reversal
if(scancode == KEY_GRAVE)
scancode = KEY_102ND;
else if(scancode == KEY_102ND)
scancode = KEY_GRAVE;
}
// Check for modifier keys and update flags
int isMod = 0;
IOOptionBits mod = 0;
if(scancode == KEY_CAPSLOCK){
if(down)
kb->modifiers ^= NX_ALPHASHIFTMASK;
isMod = 1;
}
else if(scancode == KEY_LEFTSHIFT) mod = NX_DEVICELSHIFTKEYMASK;
else if(scancode == KEY_RIGHTSHIFT) mod = NX_DEVICERSHIFTKEYMASK;
else if(scancode == KEY_LEFTCTRL) mod = NX_DEVICELCTLKEYMASK;
else if(scancode == KEY_RIGHTCTRL) mod = NX_DEVICERCTLKEYMASK;
else if(scancode == KEY_LEFTMETA) mod = NX_DEVICELCMDKEYMASK;
else if(scancode == KEY_RIGHTMETA) mod = NX_DEVICERCMDKEYMASK;
else if(scancode == KEY_LEFTALT) mod = NX_DEVICELALTKEYMASK;
else if(scancode == KEY_RIGHTALT) mod = NX_DEVICERALTKEYMASK;
if(mod){
// Update global modifiers
if(down)
mod |= kb->modifiers;
else
mod = kb->modifiers & ~mod;
if((mod & NX_DEVICELSHIFTKEYMASK) || (mod & NX_DEVICERSHIFTKEYMASK)) mod |= NX_SHIFTMASK; else mod &= ~NX_SHIFTMASK;
if((mod & NX_DEVICELCTLKEYMASK) || (mod & NX_DEVICERCTLKEYMASK)) mod |= NX_CONTROLMASK; else mod &= ~NX_CONTROLMASK;
if((mod & NX_DEVICELCMDKEYMASK) || (mod & NX_DEVICERCMDKEYMASK)) mod |= NX_COMMANDMASK; else mod &= ~NX_COMMANDMASK;
if((mod & NX_DEVICELALTKEYMASK) || (mod & NX_DEVICERALTKEYMASK)) mod |= NX_ALTERNATEMASK; else mod &= ~NX_ALTERNATEMASK;
kb->modifiers = mod;
kb->lastkeypress = KEY_NONE;
isMod = 1;
} else if(!isMod){
// For any other key, trigger key repeat
if(down){
long repeat = repeattime(kb->event, 1);
if(repeat > 0){
kb->lastkeypress = scancode;
clock_gettime(CLOCK_MONOTONIC, &kb->keyrepeat);
timespec_add(&kb->keyrepeat, repeat);
} else
kb->lastkeypress = KEY_NONE;
} else
kb->lastkeypress = KEY_NONE;
}
postevent_kp(kb->event, kb->modifiers, scancode, down, isMod, 0);
}
