mirror of
https://github.com/robotn/gohook.git
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530 lines
16 KiB
C
530 lines
16 KiB
C
/* Copyright (C) 2006-2017 Alexander Barker.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef USE_CARBON_LEGACY
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#include <Carbon/Carbon.h>
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#endif
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#ifdef USE_COREFOUNDATION
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#include <CoreFoundation/CoreFoundation.h>
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#endif
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#ifdef USE_IOKIT
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#include <IOKit/hidsystem/IOHIDLib.h>
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#include <IOKit/hidsystem/IOHIDParameter.h>
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#endif
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#include <stdbool.h>
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#include "../iohook.h"
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#include "input.h"
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// #include "../logger_c.h"
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IOHOOK_API screen_data* hook_create_screen_info(unsigned char *count) {
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CGError status = kCGErrorFailure;
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screen_data* screens = NULL;
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// Initialize count to zero.
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*count = 0;
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// Allocate memory to hold each display id. We will just allocate our MAX
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// because its only about 1K of memory.
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// TODO This can probably be realistically cut to something like 16 or 32....
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// If you have more than 32 monitors, send me a picture and make a donation ;)
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CGDirectDisplayID *display_ids = malloc(sizeof(CGDirectDisplayID) * UCHAR_MAX);
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if (display_ids != NULL) {
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// NOTE Pass UCHAR_MAX to make sure uint32_t doesn't overflow uint8_t.
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// TOOD Test/Check whether CGGetOnlineDisplayList is more suitable...
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status = CGGetActiveDisplayList(UCHAR_MAX, display_ids, (uint32_t *) count);
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// If there is no error and at least one monitor.
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if (status == kCGErrorSuccess && *count > 0) {
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logger(LOG_LEVEL_INFO, "%s [%u]: CGGetActiveDisplayList: %li.\n",
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__FUNCTION__, __LINE__, *count);
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// Allocate memory for the number of screens found.
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screens = malloc(sizeof(screen_data) * (*count));
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if (screens != NULL) {
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uint8_t i;
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for (i = 0; i < *count; i++) {
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//size_t width = CGDisplayPixelsWide(display_ids[i]);
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//size_t height = CGDisplayPixelsHigh(display_ids[i]);
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CGRect boundsDisp = CGDisplayBounds(display_ids[i]);
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if (boundsDisp.size.width > 0 && boundsDisp.size.height > 0) {
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screens[i] = (screen_data) {
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.number = i + 1,
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//TODO: make sure we follow the same convention for the origin
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//in all other platform implementations (upper-left)
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//TODO: document the approach with examples in order to show different
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//cases -> different resolutions (secondary monitors origin might be
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//negative)
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.x = boundsDisp.origin.x,
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.y = boundsDisp.origin.y,
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.width = boundsDisp.size.width,
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.height = boundsDisp.size.height
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};
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}
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}
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}
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}
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else {
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logger(LOG_LEVEL_INFO, "%s [%u]: multiple_get_screen_info failed: %ld. Fallback.\n",
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__FUNCTION__, __LINE__, status);
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size_t width = CGDisplayPixelsWide(CGMainDisplayID());
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size_t height = CGDisplayPixelsHigh(CGMainDisplayID());
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if (width > 0 && height > 0) {
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screens = malloc(sizeof(screen_data));
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if (screens != NULL) {
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*count = 1;
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screens[0] = (screen_data) {
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.number = 1,
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.x = 0,
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.y = 0,
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.width = width,
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.height = height
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};
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}
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}
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}
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// Free the id's after we are done.
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free(display_ids);
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}
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return screens;
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}
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/*
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* Apple's documentation is not very good. I was finally able to find this
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* information after many hours of googling. Value is the slider value in the
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* system preferences. That value * 15 is the rate in MS. 66 / the value is the
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* chars per second rate.
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*
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* Value MS Char/Sec
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*
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* 1 15 66 * Out of standard range *
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*
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* 2 30 33
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* 6 90 11
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* 12 180 5.5
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* 30 450 2.2
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* 60 900 1.1
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* 90 1350 0.73
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* 120 1800 0.55
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*
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* V = MS / 15
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* V = 66 / CharSec
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*
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* MS = V * 15
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* MS = (66 / CharSec) * 15
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*
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* CharSec = 66 / V
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* CharSec = 66 / (MS / 15)
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*/
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IOHOOK_API long int hook_get_auto_repeat_rate() {
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#if defined USE_IOKIT || defined USE_COREFOUNDATION || defined USE_CARBON_LEGACY
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bool successful = false;
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SInt64 rate;
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#endif
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long int value = -1;
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#ifdef USE_IOKIT
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if (!successful) {
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io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching(kIOHIDSystemClass));
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if (service) {
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kern_return_t kren_ret = kIOReturnError;
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io_connect_t connection;
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kren_ret = IOServiceOpen(service, mach_task_self(), kIOHIDParamConnectType, &connection);
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if (kren_ret == kIOReturnSuccess) {
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IOByteCount size = sizeof(rate);
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kren_ret = IOHIDGetParameter(connection, CFSTR(kIOHIDKeyRepeatKey), (IOByteCount) sizeof(rate), &rate, &size);
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if (kren_ret == kIOReturnSuccess) {
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/* This is in some undefined unit of time that if we happen
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* to multiply by 900 gives us the time in milliseconds. We
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* add 0.5 to the result so that when we cast to long we
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* actually get a rounded result. Saves the math.h depend.
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*
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* 33,333,333.0 / 1000.0 / 1000.0 / 1000.0 == 0.033333333 * Fast *
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* 100,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 0.1
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* 200,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 0.2
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* 500,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 0.5
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* 1,000,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 1
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* 1,500,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 1.5
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* 2,000,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 2 * Slow *
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*/
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value = (long) (900.0 * ((double) rate) / 1000.0 / 1000.0 / 1000.0 + 0.5);
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successful = true;
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logger(LOG_LEVEL_INFO, "%s [%u]: IOHIDGetParameter: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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}
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}
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#endif
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#ifdef USE_COREFOUNDATION
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if (!successful) {
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CFTypeRef pref_val = CFPreferencesCopyValue(CFSTR("KeyRepeat"), kCFPreferencesAnyApplication, kCFPreferencesCurrentUser, kCFPreferencesAnyHost);
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if (pref_val != NULL && CFGetTypeID(pref_val) == CFNumberGetTypeID()) {
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if (CFNumberGetValue((CFNumberRef) pref_val, kCFNumberSInt32Type, &rate)) {
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// This is the slider value, we must multiply by 15 to convert to milliseconds.
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value = (long) rate * 15;
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successful = true;
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logger(LOG_LEVEL_INFO, "%s [%u]: CFPreferencesCopyValue: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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}
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#endif
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#ifdef USE_CARBON_LEGACY
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if (!successful) {
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// Apple documentation states that value is in 'ticks'. I am not sure
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// what that means, but it looks a lot like the arbitrary slider value.
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rate = LMGetKeyRepThresh();
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if (rate > -1) {
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/* This is the slider value, we must multiply by 15 to convert to
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* milliseconds.
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*/
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value = (long) rate * 15;
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successful = true;
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logger(LOG_LEVEL_INFO, "%s [%u]: LMGetKeyRepThresh: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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#endif
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return value;
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}
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IOHOOK_API long int hook_get_auto_repeat_delay() {
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#if defined USE_IOKIT || defined USE_COREFOUNDATION || defined USE_CARBON_LEGACY
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bool successful = false;
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SInt64 delay;
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#endif
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long int value = -1;
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#ifdef USE_IOKIT
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if (!successful) {
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io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching(kIOHIDSystemClass));
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if (service) {
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kern_return_t kren_ret = kIOReturnError;
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io_connect_t connection;
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kren_ret = IOServiceOpen(service, mach_task_self(), kIOHIDParamConnectType, &connection);
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if (kren_ret == kIOReturnSuccess) {
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IOByteCount size = sizeof(delay);
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kren_ret = IOHIDGetParameter(connection, CFSTR(kIOHIDInitialKeyRepeatKey), (IOByteCount) sizeof(delay), &delay, &size);
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if (kren_ret == kIOReturnSuccess) {
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/* This is in some undefined unit of time that if we happen
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* to multiply by 900 gives us the time in milliseconds. We
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* add 0.5 to the result so that when we cast to long we
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* actually get a rounded result. Saves the math.h depend.
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*
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* 33,333,333.0 / 1000.0 / 1000.0 / 1000.0 == 0.033333333 * Fast *
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* 100,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 0.1
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* 200,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 0.2
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* 500,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 0.5
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* 1,000,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 1
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* 1,500,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 1.5
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* 2,000,000,000.0 / 1000.0 / 1000.0 / 1000.0 == 2 * Slow *
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*/
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value = (long) (900.0 * ((double) delay) / 1000.0 / 1000.0 / 1000.0 + 0.5);
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successful = true;
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logger(LOG_LEVEL_INFO, "%s [%u]: IOHIDGetParameter: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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}
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}
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#endif
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#ifdef USE_COREFOUNDATION
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if (!successful) {
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CFTypeRef pref_val = CFPreferencesCopyValue(CFSTR("InitialKeyRepeat"), kCFPreferencesAnyApplication, kCFPreferencesCurrentUser, kCFPreferencesAnyHost);
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if (pref_val != NULL && CFGetTypeID(pref_val) == CFNumberGetTypeID()) {
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if (CFNumberGetValue((CFNumberRef) pref_val, kCFNumberSInt32Type, &delay)) {
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// This is the slider value, we must multiply by 15 to convert to
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// milliseconds.
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value = (long) delay * 15;
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successful = true;
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logger(LOG_LEVEL_INFO, "%s [%u]: CFPreferencesCopyValue: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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}
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#endif
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#ifdef USE_CARBON_LEGACY
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if (!successful) {
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// Apple documentation states that value is in 'ticks'. I am not sure
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// what that means, but it looks a lot like the arbitrary slider value.
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delay = LMGetKeyThresh();
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if (delay > -1) {
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// This is the slider value, we must multiply by 15 to convert to
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// milliseconds.
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value = (long) delay * 15;
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successful = true;
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logger(LOG_LEVEL_INFO, "%s [%u]: LMGetKeyThresh: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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#endif
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return value;
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}
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IOHOOK_API long int hook_get_pointer_acceleration_multiplier() {
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#if defined USE_IOKIT || defined USE_COREFOUNDATION
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bool successful = false;
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double multiplier;
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#endif
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long int value = -1;
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#ifdef USE_IOKIT
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if (!successful) {
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io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching(kIOHIDSystemClass));
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if (service) {
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kern_return_t kren_ret = kIOReturnError;
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io_connect_t connection;
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kren_ret = IOServiceOpen(service, mach_task_self(), kIOHIDParamConnectType, &connection);
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if (kren_ret == kIOReturnSuccess) {
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// IOByteCount size = sizeof(multiplier);
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kren_ret = IOHIDGetAccelerationWithKey(connection, CFSTR(kIOHIDMouseAccelerationType), &multiplier);
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if (kren_ret == kIOReturnSuccess) {
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// Calculate the greatest common factor.
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unsigned long denominator = 1000000, d = denominator;
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unsigned long numerator = multiplier * denominator, gcf = numerator;
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while (d != 0) {
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unsigned long i = gcf % d;
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gcf = d;
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d = i;
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}
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value = denominator / gcf;
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successful = true;
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logger(LOG_LEVEL_INFO, "%s [%u]: IOHIDGetAccelerationWithKey: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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}
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}
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#endif
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#ifdef USE_COREFOUNDATION
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if (!successful) {
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CFTypeRef pref_val = CFPreferencesCopyValue(CFSTR("com.apple.mouse.scaling"), kCFPreferencesAnyApplication, kCFPreferencesCurrentUser, kCFPreferencesAnyHost);
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if (pref_val != NULL && CFGetTypeID(pref_val) == CFNumberGetTypeID()) {
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if (CFNumberGetValue((CFNumberRef) pref_val, kCFNumberSInt32Type, &multiplier)) {
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value = (long) multiplier;
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logger(LOG_LEVEL_INFO, "%s [%u]: CFPreferencesCopyValue: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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}
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#endif
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return value;
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}
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IOHOOK_API long int hook_get_pointer_acceleration_threshold() {
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#if defined USE_COREFOUNDATION
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bool successful = false;
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SInt32 threshold;
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#endif
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long int value = -1;
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#ifdef USE_COREFOUNDATION
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if (!successful) {
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CFTypeRef pref_val = CFPreferencesCopyValue(CFSTR("mouseDriverMaxSpeed"), CFSTR("com.apple.universalaccess"), kCFPreferencesCurrentUser, kCFPreferencesAnyHost);
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if (pref_val != NULL && CFGetTypeID(pref_val) == CFNumberGetTypeID()) {
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if (CFNumberGetValue((CFNumberRef) pref_val, kCFNumberSInt32Type, &threshold)) {
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value = (long) threshold;
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logger(LOG_LEVEL_INFO, "%s [%u]: CFPreferencesCopyValue: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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}
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#endif
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return value;
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}
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IOHOOK_API long int hook_get_pointer_sensitivity() {
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#ifdef USE_IOKIT
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bool successful = false;
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double sensitivity;
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#endif
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long int value = -1;
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#ifdef USE_IOKIT
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if (!successful) {
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io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching(kIOHIDSystemClass));
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if (service) {
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kern_return_t kren_ret = kIOReturnError;
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io_connect_t connection;
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kren_ret = IOServiceOpen(service, mach_task_self(), kIOHIDParamConnectType, &connection);
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if (kren_ret == kIOReturnSuccess) {
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// IOByteCount size = sizeof(multiplier);
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kren_ret = IOHIDGetAccelerationWithKey(connection, CFSTR(kIOHIDMouseAccelerationType), &sensitivity);
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if (kren_ret == kIOReturnSuccess) {
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// Calculate the greatest common factor.
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unsigned long denominator = 1000000, d = denominator;
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unsigned long numerator = sensitivity * denominator, gcf = numerator;
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while (d != 0) {
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unsigned long i = gcf % d;
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gcf = d;
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d = i;
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}
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value = numerator / gcf;
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successful = true;
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logger(LOG_LEVEL_INFO, "%s [%u]: IOHIDGetAccelerationWithKey: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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}
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}
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#endif
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return value;
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}
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IOHOOK_API long int hook_get_multi_click_time() {
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#if defined USE_IOKIT || defined USE_COREFOUNDATION || defined USE_CARBON_LEGACY
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bool successful = false;
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#if defined USE_IOKIT || defined USE_CARBON_LEGACY
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// This needs to be defined only if we have USE_IOKIT or USE_CARBON_LEGACY.
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SInt64 time;
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#endif
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#endif
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long int value = -1;
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#ifdef USE_IOKIT
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if (!successful) {
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io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching(kIOHIDSystemClass));
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if (service) {
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kern_return_t kren_ret = kIOReturnError;
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io_connect_t connection;
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kren_ret = IOServiceOpen(service, mach_task_self(), kIOHIDParamConnectType, &connection);
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if (kren_ret == kIOReturnSuccess) {
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IOByteCount size = sizeof(time);
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kren_ret = IOHIDGetParameter(connection, CFSTR(kIOHIDClickTimeKey), (IOByteCount) sizeof(time), &time, &size);
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if (kren_ret == kIOReturnSuccess) {
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/* This is in some undefined unit of time that if we happen
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* to multiply by 900 gives us the time in milliseconds. We
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* add 0.5 to the result so that when we cast to long we
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* actually get a rounded result. Saves the math.h depend.
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*/
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value = (long) (900.0 * ((double) time) / 1000.0 / 1000.0 / 1000.0 + 0.5);
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successful = true;
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logger(LOG_LEVEL_INFO, "%s [%u]: IOHIDGetParameter: %li.\n",
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__FUNCTION__, __LINE__, value);
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}
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}
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}
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}
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#endif
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#ifdef USE_COREFOUNDATION
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if (!successful) {
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Float32 clicktime;
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CFTypeRef pref_val = CFPreferencesCopyValue(CFSTR("com.apple.mouse.doubleClickThreshold"), kCFPreferencesAnyApplication, kCFPreferencesCurrentUser, kCFPreferencesAnyHost);
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if (pref_val != NULL && CFGetTypeID(pref_val) == CFNumberGetTypeID()) {
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if (CFNumberGetValue((CFNumberRef) pref_val, kCFNumberFloat32Type, &clicktime)) {
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/* This is in some undefined unit of time that if we happen
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* to multiply by 900 gives us the time in milliseconds. It is
|
|
* completely possible that this value is in seconds and should be
|
|
* multiplied by 1000 but because IOKit values are undocumented and
|
|
* I have no idea what a Carbon 'tick' is so there really is no way
|
|
* to confirm this.
|
|
*/
|
|
value = (long) (clicktime * 900);
|
|
|
|
logger(LOG_LEVEL_INFO, "%s [%u]: CFPreferencesCopyValue: %li.\n",
|
|
__FUNCTION__, __LINE__, value);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef USE_CARBON_LEGACY
|
|
if (!successful) {
|
|
// Apple documentation states that value is in 'ticks'. I am not sure
|
|
// what that means, but it looks a lot like the arbitrary slider value.
|
|
time = GetDblTime();
|
|
if (time > -1) {
|
|
// This is the slider value, we must multiply by 15 to convert to
|
|
// milliseconds.
|
|
value = (long) time * 15;
|
|
successful = true;
|
|
|
|
logger(LOG_LEVEL_INFO, "%s [%u]: GetDblTime: %li.\n",
|
|
__FUNCTION__, __LINE__, value);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return value;
|
|
}
|
|
|
|
|
|
// Create a shared object constructor.
|
|
__attribute__ ((constructor))
|
|
void on_library_load() {
|
|
// Initialize Native Input Functions.
|
|
load_input_helper();
|
|
}
|
|
|
|
// Create a shared object destructor.
|
|
__attribute__ ((destructor))
|
|
void on_library_unload() {
|
|
// Disable the event hook.
|
|
//hook_stop();
|
|
|
|
// Cleanup native input functions.
|
|
unload_input_helper();
|
|
}
|