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main.cpp
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main.cpp
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#include <windows.h>
#include <CommCtrl.h>
#include <stdio.h>
#define IDC_EDIT 101
static UINT WM_SHELLHOOKMESSAGE; //自定义消息
static HWND hwndMain;
static HWND hwndEdit;
static struct {
UINT uMsg;
char* pMsg;
}shell_list[] =
{
{HSHELL_GETMINRECT, "HSHELL_GETMINRECT"},
{HSHELL_WINDOWACTIVATED, "HSHELL_WINDOWACTIVATED"},
{HSHELL_RUDEAPPACTIVATED, "HSHELL_RUDEAPPACTIVATED"},
{HSHELL_WINDOWREPLACING, "HSHELL_WINDOWREPLACING"},
{HSHELL_WINDOWREPLACED, "HSHELL_WINDOWREPLACED"},
{HSHELL_WINDOWCREATED, "HSHELL_WINDOWCREATED"},
{HSHELL_WINDOWDESTROYED, "HSHELL_WINDOWDESTROYED"},
{HSHELL_ACTIVATESHELLWINDOW, "HSHELL_ACTIVATESHELLWINDOW"},
{HSHELL_TASKMAN, "HSHELL_TASKMAN"},
{HSHELL_REDRAW, "HSHELL_REDRAW"},
{HSHELL_FLASH, "HSHELL_FLASH"},
{HSHELL_ENDTASK, "HSHELL_ENDTASK"},
{HSHELL_APPCOMMAND, "HSHELL_APPCOMMAND"},
{0, NULL}
};
BOOL SetShellHook(HWND hwndHook) //需要安装钩子的窗口句柄
{
WM_SHELLHOOKMESSAGE = RegisterWindowMessage("SHELLHOOK");
return WM_SHELLHOOKMESSAGE && RegisterShellHookWindow(hwndHook);
}
BOOL UnSetShellHook(HWND hwndHook) //卸载钩子
{
return DeregisterShellHookWindow(hwndHook);
}
void AddEditText(char* szMsg, HWND hwndNew) //更新文本框内容
{
int len;
char buffer[1024];
char szCls[128] = {0}, szText[128] = {0};
GetWindowText(hwndNew, szText, sizeof(szText));
GetClassName(hwndNew, szCls, sizeof(szCls));
len = GetWindowTextLength(hwndEdit);
_snprintf(buffer, sizeof(buffer), "Message:\t%s\r\nClassName:\t%s\r\nWindowName:\t%s\r\n\r\n", szMsg, szCls, szText);
SendMessage(hwndEdit, EM_SETSEL, len, len);
SendMessage(hwndEdit, EM_REPLACESEL, 0, (LPARAM)buffer);
return;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
if(uMsg == WM_SHELLHOOKMESSAGE) {
int i;
for(i = 0; shell_list[i].pMsg; i++) {
if(shell_list[i].uMsg == wParam) {
AddEditText(shell_list[i].pMsg, (HWND)lParam);
return 0;
}
}
return 0;
}
switch(uMsg) {
case WM_SIZE:
{
RECT rect;
GetClientRect(hwnd, &rect);
MoveWindow(hwndEdit, 0, 0, rect.right - rect.left, rect.bottom - rect.top, TRUE);
return 0;
}
case WM_CREATE:
{
RECT rect;
hwndMain = hwnd;
GetClientRect(hwnd, &rect);
hwndEdit = CreateWindowEx(0, WC_EDIT, NULL,
WS_CHILD | WS_VISIBLE | ES_AUTOHSCROLL | ES_AUTOVSCROLL | ES_MULTILINE | WS_HSCROLL | WS_VSCROLL,
0, 0, rect.right - rect.left, rect.bottom - rect.top,
hwnd, (HMENU)IDC_EDIT, ((CREATESTRUCT*)lParam)->hInstance, NULL);
if(!SetShellHook(hwnd)) {
MessageBox(hwnd, "SetShellHook, failed.", NULL, MB_OK);
}
return 0;
}
case WM_DESTROY:
PostQuitMessage(0);
return 0;
case WM_CLOSE:
UnSetShellHook(hwnd);
DestroyWindow(hwnd);
return 0;
}
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
HWND hWnd;
MSG msg;
WNDCLASSEX wc = {0};
wc.cbSize = sizeof(wc);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.hCursor = LoadCursor(NULL, MAKEINTRESOURCE(IDC_ARROW));
wc.hIcon = LoadIcon(NULL, MAKEINTRESOURCE(IDI_APPLICATION));
wc.hInstance = hInstance;
wc.lpfnWndProc = WndProc;
wc.lpszClassName = "shell_wnd_class";
wc.style = CS_HREDRAW | CS_VREDRAW;
if(!RegisterClassEx(&wc))
return 1;
hWnd = CreateWindowEx(WS_EX_TOPMOST, "shell_wnd_class", "Shell Hook Demo", WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT, 500, 460, NULL, NULL, hInstance, NULL);
if(!hWnd) {
MessageBox(NULL, "CreateWindowEx Failed!", NULL, MB_OK);
return 1;
}
UpdateWindow(hWnd);
ShowWindow(hWnd, nCmdShow);
while(GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}