Win32学习（七）鼠标消息

基本鼠标消息
WM_LBUTTONDOWN - 鼠标左键按下
WM_LBUTTONUP - 鼠标左键抬起
WM_RBUTTONDOWN - 鼠标右键按下
WM_RBUTTONUP - 鼠标右键抬起
WM_MOUSEMOVE - 鼠标移动消息
双击消息
WM_LBUTTONDBLCLK - 鼠标左键双击
WM_RBUTTONDBLCLK - 鼠标右键双击
使用时需要在注册窗口类的时候添加CS_DBLCLKS风格。

滚轮消息
WM_MOUSEWHEL - 鼠标滚轮消息
附带信息：
wPARAM:
LOWORD - 其他按键的状态
HIWORD - 滚轮的偏移量，通过正负值表示滚轮方向
正：向前滚动负:向后滚动
IPARAM:鼠标当前的位置,屏幕坐标系
LOWORD - X坐标
HIWORD - Y坐标
使用：
通过偏移量，获取滚动的方向和距离 (只会出现120的倍数的数)

鼠标基本消息
附带信息:
wPARAM : 其他按键的状态,例如Ctrl/Shift等
IPARAM: 鼠标的位置,窗口客户区坐标系
LOWORD X坐标位置
HIWORD Y坐标位置

一般清空鼠标按下/抬起成对出现。在鼠标移动过程中,会根据移动速度产生一系列的WM_MOUSEMOVE消息.

鼠标点击事件

#include <windows.h>
#include <stdio.h>
HANDLE g_hOutput = 0;
void OnLButtonDown(HWND hWnd,WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_LBUTTONDOWN:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText,strlen(szText), NULL, NULL);
}void OnLButtonUP(HWND hWnd, WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_LBUTTONDOWN:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}LRESULT CALLBACK WndProc(HWND hWnd, UINT msgID, WPARAM wParam, LPARAM IParam)
{switch (msgID) {case WM_LBUTTONDOWN:OnLButtonDown(hWnd, wParam, IParam);break;case  WM_LBUTTONUP:OnLButtonUP(hWnd, wParam, IParam);break;case WM_DESTROY:PostQuitMessage(0);break;}return DefWindowProc(hWnd, msgID, wParam, IParam);
}int CALLBACK WinMain(HINSTANCE hIns, HINSTANCE hPreIns, LPSTR lpCmdLine, int nCmdShow) {AllocConsole();g_hOutput = GetStdHandle(STD_OUTPUT_HANDLE);WNDCLASS wc = { 0 };wc.cbClsExtra = 0;wc.cbWndExtra = 0;wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);wc.hCursor = NULL;wc.hIcon = NULL;wc.hInstance = hIns;wc.lpfnWndProc = WndProc;wc.lpszClassName = "Main";wc.lpszMenuName = NULL;wc.style = CS_HREDRAW | CS_VREDRAW;RegisterClass(&wc); //将以上所有赋值全部写入操作系统中//在内存创建窗口HWND hWnd = CreateWindowEx(0, "Main", "window", WS_OVERLAPPEDWINDOW, 100, 100, 500, 500, NULL, NULL, hIns, NULL);//显示窗口ShowWindow(hWnd, SW_SHOW);UpdateWindow(hWnd);//消息循环MSG nMsg = { 0 };while (GetMessage(&nMsg, NULL, 0, 0)) { //抓消息TranslateMessage(&nMsg);//翻译消息DispatchMessage(&nMsg);//派发消息：将消息交给窗口处理函数来处理。}return 0;
}
//需要在任务管理器中退出线程！

鼠标滑动

#include <windows.h>
#include <stdio.h>
HANDLE g_hOutput = 0;
void OnLButtonDown(HWND hWnd,WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_LBUTTONDOWN:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText,strlen(szText), NULL, NULL);
}void OnLButtonUP(HWND hWnd, WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_LBUTTONDOWN:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}void OnMouseMove(HWND hWnd, WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_MOUSEMOVE:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}LRESULT CALLBACK WndProc(HWND hWnd, UINT msgID, WPARAM wParam, LPARAM IParam)
{switch (msgID) {case WM_MOUSEMOVE:OnMouseMove(hWnd, wParam, IParam);break;case WM_LBUTTONDOWN:OnLButtonDown(hWnd, wParam, IParam);break;case  WM_LBUTTONUP:OnLButtonUP(hWnd, wParam, IParam);break;case WM_DESTROY:PostQuitMessage(0);break;}return DefWindowProc(hWnd, msgID, wParam, IParam);
}int CALLBACK WinMain(HINSTANCE hIns, HINSTANCE hPreIns, LPSTR lpCmdLine, int nCmdShow) {AllocConsole();g_hOutput = GetStdHandle(STD_OUTPUT_HANDLE);WNDCLASS wc = { 0 };wc.cbClsExtra = 0;wc.cbWndExtra = 0;wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);wc.hCursor = NULL;wc.hIcon = NULL;wc.hInstance = hIns;wc.lpfnWndProc = WndProc;wc.lpszClassName = "Main";wc.lpszMenuName = NULL;wc.style = CS_HREDRAW | CS_VREDRAW;RegisterClass(&wc); //将以上所有赋值全部写入操作系统中//在内存创建窗口HWND hWnd = CreateWindowEx(0, "Main", "window", WS_OVERLAPPEDWINDOW, 100, 100, 500, 500, NULL, NULL, hIns, NULL);//显示窗口ShowWindow(hWnd, SW_SHOW);UpdateWindow(hWnd);//消息循环MSG nMsg = { 0 };while (GetMessage(&nMsg, NULL, 0, 0)) { //抓消息TranslateMessage(&nMsg);//翻译消息DispatchMessage(&nMsg);//派发消息：将消息交给窗口处理函数来处理。}return 0;
}
//需要在任务管理器中退出线程！

双击事件

#include <windows.h>
#include <stdio.h>
HANDLE g_hOutput = 0;
void OnLButtonDown(HWND hWnd,WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_LBUTTONDOWN:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText,strlen(szText), NULL, NULL);
}void OnLButtonUP(HWND hWnd, WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_LBUTTONUP:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}void OnMouseMove(HWND hWnd, WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_MOUSEMOVE:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}void OnLButtonDblClk(HWND hWnd) {const char* szText = "WM_LBUTTONDBLCLK\n";WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}LRESULT CALLBACK WndProc(HWND hWnd, UINT msgID, WPARAM wParam, LPARAM IParam)
{switch (msgID) {case WM_LBUTTONDBLCLK:OnLButtonDblClk(hWnd);break;//case WM_MOUSEMOVE://   OnMouseMove(hWnd, wParam, IParam);break;case WM_LBUTTONDOWN:OnLButtonDown(hWnd, wParam, IParam);break;case  WM_LBUTTONUP:OnLButtonUP(hWnd, wParam, IParam);break;case WM_DESTROY:PostQuitMessage(0);break;}return DefWindowProc(hWnd, msgID, wParam, IParam);
}int CALLBACK WinMain(HINSTANCE hIns, HINSTANCE hPreIns, LPSTR lpCmdLine, int nCmdShow) {AllocConsole();g_hOutput = GetStdHandle(STD_OUTPUT_HANDLE);WNDCLASS wc = { 0 };wc.cbClsExtra = 0;wc.cbWndExtra = 0;wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);wc.hCursor = NULL;wc.hIcon = NULL;wc.hInstance = hIns;wc.lpfnWndProc = WndProc;wc.lpszClassName = "Main";wc.lpszMenuName = NULL;wc.style = CS_HREDRAW | CS_VREDRAW |CS_DBLCLKS;RegisterClass(&wc); //将以上所有赋值全部写入操作系统中//在内存创建窗口HWND hWnd = CreateWindowEx(0, "Main", "window", WS_OVERLAPPEDWINDOW, 100, 100, 500, 500, NULL, NULL, hIns, NULL);//显示窗口ShowWindow(hWnd, SW_SHOW);UpdateWindow(hWnd);//消息循环MSG nMsg = { 0 };while (GetMessage(&nMsg, NULL, 0, 0)) { //抓消息TranslateMessage(&nMsg);//翻译消息DispatchMessage(&nMsg);//派发消息：将消息交给窗口处理函数来处理。}return 0;
}
//需要在任务管理器中退出线程！

滚轮消息

#include <windows.h>
#include <stdio.h>
HANDLE g_hOutput = 0;
void OnLButtonDown(HWND hWnd,WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_LBUTTONDOWN:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText,strlen(szText), NULL, NULL);
}void OnLButtonUP(HWND hWnd, WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_LBUTTONUP:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}void OnMouseMove(HWND hWnd, WPARAM wParam, LPARAM IParam) {char szText[256] = { 0 };sprintf_s(szText, "WM_MOUSEMOVE:其他按键状态:%d,X=%d,Y=%d\n", wParam, LOWORD(IParam), HIWORD(IParam));WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}void OnLButtonDblClk(HWND hWnd) {const char* szText = "WM_LBUTTONDBLCLK\n";WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}void OnMouseWheel(HWND hWnd, WPARAM wParam) {short nDelta = HIWORD(wParam);char szText[256] = { 0 };sprintf_s(szText, "WM_MOUSEWHEEL:nDetal = %d\n", nDelta);WriteConsole(g_hOutput, szText, strlen(szText), NULL, NULL);
}LRESULT CALLBACK WndProc(HWND hWnd, UINT msgID, WPARAM wParam, LPARAM IParam)
{switch (msgID) {case WM_MOUSEWHEEL:OnMouseWheel(hWnd,wParam);break;case WM_LBUTTONDBLCLK:OnLButtonDblClk(hWnd);break;//case WM_MOUSEMOVE://    OnMouseMove(hWnd, wParam, IParam);case WM_LBUTTONDOWN:OnLButtonDown(hWnd, wParam, IParam);break;case  WM_LBUTTONUP:OnLButtonUP(hWnd, wParam, IParam);break;case WM_DESTROY:PostQuitMessage(0);break;}return DefWindowProc(hWnd, msgID, wParam, IParam);
}int CALLBACK WinMain(HINSTANCE hIns, HINSTANCE hPreIns, LPSTR lpCmdLine, int nCmdShow) {AllocConsole();g_hOutput = GetStdHandle(STD_OUTPUT_HANDLE);WNDCLASS wc = { 0 };wc.cbClsExtra = 0;wc.cbWndExtra = 0;wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);wc.hCursor = NULL;wc.hIcon = NULL;wc.hInstance = hIns;wc.lpfnWndProc = WndProc;wc.lpszClassName = "Main";wc.lpszMenuName = NULL;wc.style = CS_HREDRAW | CS_VREDRAW |CS_DBLCLKS;RegisterClass(&wc); //将以上所有赋值全部写入操作系统中//在内存创建窗口HWND hWnd = CreateWindowEx(0, "Main", "window", WS_OVERLAPPEDWINDOW, 100, 100, 500, 500, NULL, NULL, hIns, NULL);//显示窗口ShowWindow(hWnd, SW_SHOW);UpdateWindow(hWnd);//消息循环MSG nMsg = { 0 };while (GetMessage(&nMsg, NULL, 0, 0)) { //抓消息TranslateMessage(&nMsg);//翻译消息DispatchMessage(&nMsg);//派发消息：将消息交给窗口处理函数来处理。}return 0;
}
//需要在任务管理器中退出线程！

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