Sending a mouse input 마우스 입력 보내기

The SendInput function inserts the events in the INPUT structures serially into the keyboard or mouse input stream.

마우스 입력을 보낸다.

#include <Windows.h>
#include <iostream>
 
using namespace std;
 
void PrintMenu()
{
    cout << "--- Mouse sender ---" << endl << endl;
    cout << "0: End" << endl;
    cout << "1: Get cursor position" << endl;
    cout << "2: Send left button click" << endl;
    cout << "3: Send right button click" << endl;
    cout << "4: Send cursor move" << endl;
    cout << "Choose: ";
}
 
void GetCursorPosition()
{
    Sleep(2000);    // Wait for 2 seconds before get the cursor position.
 
    POINT cursorPos;
    GetCursorPos(&cursorPos);
 
    cout << "Current cursor position : (x: " << cursorPos.x << ", y: " << cursorPos.y << ")" << endl;
}
 
void SendLeftClick()
{
    Sleep(5000);
 
    INPUT input;
    ZeroMemory(&input, sizeof(INPUT));
    input.type = INPUT_MOUSE;
    input.mi.dwFlags = MOUSEEVENTF_LEFTDOWN;
    SendInput(1, &input, sizeof(INPUT));
 
    input.mi.dwFlags = MOUSEEVENTF_LEFTUP;
    SendInput(1, &input, sizeof(INPUT));
}
 
void SendRightClick()
{
    Sleep(5000);
 
    INPUT input;
    ZeroMemory(&input, sizeof(INPUT));
    input.type = INPUT_MOUSE;
    input.mi.dwFlags = MOUSEEVENTF_RIGHTDOWN;
    SendInput(1, &input, sizeof(INPUT));
 
    input.mi.dwFlags = MOUSEEVENTF_RIGHTUP;
    SendInput(1, &input, sizeof(INPUT));
}
 
void SendMove()
{
    int x, y;
    int screenWidth = GetSystemMetrics(SM_CXSCREEN);
    int screenHeight = GetSystemMetrics(SM_CYSCREEN);
 
    cout << "Screen size: (" << screenWidth << ", " << screenHeight << ")" << endl;
    cout << "[x: 0~" << screenWidth - 1 << ", y: 0~" << screenHeight - 1 << "]" << endl;
    cout << "x: ";
    cin >> x;
    cout << "y: ";
    cin >> y;
 
    INPUT input;
    ZeroMemory(&input, sizeof(INPUT));
    input.type = INPUT_MOUSE;
    input.mi.dwFlags = MOUSEEVENTF_MOVE | MOUSEEVENTF_ABSOLUTE;
    // If MOUSEEVENTF_ABSOLUTE value is specified, dx and dy contain normalized absolute coordinates
    // between 0 and 65,535. The event procedure maps these coordinates onto the display surface.
    // Coordinate (0,0) maps onto the upper-left corner of the display surface; coordinate (65535,65535)
    // maps onto the lower-right corner. In a multimonitor system, the coordinates map to the primary monitor.
    //
    // If the MOUSEEVENTF_ABSOLUTE value is not specified, dxand dy specify movement relative to the previous
    // mouse event(the last reported position).Positive values mean the mouse moved right(or down); negative
    // values mean the mouse moved left(or up).
    float dx = x * (65535.0f / (screenWidth - 1));
    float dy = y * (65535.0f / (screenHeight - 1));
    input.mi.dx = LONG(dx);
    input.mi.dy = LONG(dy);
    SendInput(1, &input, sizeof(INPUT));
}
 
int main()
{
    int choice = 1;
 
    while (choice)
    {
        PrintMenu();
        cin >> choice;
 
        switch (choice)
        {
        case 1:
            GetCursorPosition();
 
            break;
        case 2:
            SendLeftClick();
 
            break;
        case 3:
            SendRightClick();
 
            break;
        case 4:
            SendMove();
 
            break;
        default:
 
            return 0;
        }
    }
 
    return 0;
}

Run the program and choose the event you want to send.