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hook.cpp
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hook.cpp
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#include "hook.h"
#include "input.h"
#include <thread>
#include <vector>
#include <windows.h>
/* bool Function::run(Event& event) {
if (trigger) {
int trigger_return = trigger(event);
if (trigger_return) {
if (!thread.valid() || thread.wait_for(std::chrono::seconds(0)) == std::future_status::ready) {
thread = std::async(std::launch::async, action, std::ref(event));
}
return trigger_return == 2;
}
return false;
}
else {
return action(event);
}
} */
Hook* hookInstance;
bool Hook::hookProc(bool device, WPARAM wParam, LPARAM lParam) {
// constructing Event
if (device) { // keyboard input
keyboard = (PKBDLLHOOKSTRUCT)lParam;
event.key = keyboard->vkCode;
event.direction = !(keyboard->flags & LLKHF_UP);
event.injected = keyboard->flags & LLKHF_INJECTED;
}
else { // mouse input
mouse = (PMSLLHOOKSTRUCT)lParam;
event.injected = mouse->flags;
switch (wParam) {
case WM_MOUSEMOVE:
event.key = WM_MOUSEMOVE;
event.point = mouse->pt;
break;
case WM_MOUSEWHEEL:
event.key = WM_MOUSEWHEEL;
event.direction = mouse->mouseData == 0xff880000;
break;
case WM_LBUTTONDOWN:
event.key = VK_LBUTTON;
event.direction = false;
break;
case WM_LBUTTONUP:
event.key = VK_LBUTTON;
event.direction = false;
break;
case WM_RBUTTONDOWN:
event.key = VK_RBUTTON;
event.direction = true;
break;
case WM_RBUTTONUP:
event.key = VK_RBUTTON;
event.direction = false;
break;
case WM_MBUTTONDOWN:
event.key = VK_MBUTTON;
event.direction = true;
break;
case WM_MBUTTONUP:
event.key = VK_MBUTTON;
event.direction = false;
break;
case WM_XBUTTONDOWN:
case WM_XBUTTONUP:
event.key = mouse->mouseData >> 16 == 1 ? VK_XBUTTON1 : VK_XBUTTON2;
event.direction = wParam == WM_XBUTTONDOWN;
break;
default:
exit(1);
}
/* if (wParam == WM_MOUSEMOVE) {
event.key = WM_MOUSEMOVE;
event.point = mouse->pt;
}
else if (wParam == WM_MOUSEWHEEL) {
event.key = WM_MOUSEWHEEL;
event.direction = mouse->mouseData == 0xff880000;
}
else if (wParam == WM_LBUTTONDOWN) {
event.key = VK_LBUTTON;
event.direction = true;
}
else if (wParam == WM_LBUTTONUP) {
event.key = VK_LBUTTON;
event.direction = false;
}
else if (wParam == WM_RBUTTONDOWN) {
event.key = VK_RBUTTON;
event.direction = true;
}
else if (wParam == WM_RBUTTONUP) {
event.key = VK_RBUTTON;
event.direction = false;
}
else if (wParam == WM_MBUTTONDOWN) {
event.key = VK_MBUTTON;
event.direction = true;
}
else if (wParam == WM_MBUTTONUP) {
event.key = VK_MBUTTON;
event.direction = false;
}
else if (wParam == WM_XBUTTONDOWN || wParam == WM_XBUTTONUP) {
if (mouse->mouseData >> 16 == 1) {
event.key = VK_XBUTTON1;
}
else {
event.key = VK_XBUTTON2;
}
event.direction = wParam == WM_XBUTTONDOWN ? true : false;
} */
}
if (!function(event) && event.key != WM_MOUSEMOVE && event.key != WM_MOUSEWHEEL) {
states[event.key] = event.direction;
states[VK_SHIFT] = states[VK_LSHIFT] || states[VK_RSHIFT];
states[VK_CONTROL] = states[VK_LCONTROL] || states[VK_RCONTROL];
states[VK_MENU] = states[VK_LMENU] || states[VK_RMENU];
return false;
}
return true;
/* if (interrupt && interrupt(event)) {
PostQuitMessage(0);
return false;
}
for (int i{ 0 }; i < functions.size(); ++i) {
if (functions[i].run(event)) {
return true;
}
} */
}
Hook::Hook() {
hookInstance = this;
/*
for (int i = 0; i < 256; i++) {
states[i] = Input::is_pressed(i);
}
*/
}
void Hook::hook() {
hKeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, keyboardHook, 0, 0);
hMouseHook = SetWindowsHookEx(WH_MOUSE_LL, mouseHook, 0, 0);
}
void Hook::unhook() {
UnhookWindowsHookEx(hKeyboardHook);
UnhookWindowsHookEx(hMouseHook);
}
Hook::~Hook() {
unhook();
}
void Hook::run(bool (*function)(const Event&)) {
function = function;
hook();
GetKeyboardState((PBYTE)states);
while (GetMessage(&msg, NULL, 0, 0)) {
DispatchMessage(&msg);
}
}
/*
void Hook::add(bool (*action)(Event&), int (*trigger)(Event&)) {
functions.push_back(Function(action, trigger));
}
void Hook::set_interrupt(bool (*function)(Event&)) {
interrupt = function;
}
void Hook::remove(bool (*action)(Event&), int (*trigger)(Event&)) {
for (int i = static_cast<int>(functions.size()) - 1; i >= 0; i--) {
if (functions[i].action == action && functions[i].trigger == trigger) {
functions.erase(functions.begin() + i);
}
}
}
*/
bool Hook::state(int key) {
if (key >= 0 && key <= 256) {
return states[key];
}
return false;
}
bool Hook::state(const std::vector<int>& keys) {
for (int key : keys) {
if (!state(key)) {
return false;
}
}
return true;
}