[英]Add a global Windows hotkey without a running application
我想創建一個全局熱鍵來啟動我的應用程序,即使它沒有運行(沒有后台進程)。
根據我的閱讀,RegisterHotkey需要運行一個進程來獲取熱鍵消息。
我嘗試在應用程序的快捷方式上使用IShellLink :: SetHotkey,但它看起來確實很不穩定。 盡管調用了SHChangeNotify,但是當我將快捷方式的熱鍵設置為none時,熱鍵不會被清除。 我需要做些什么來使Windows Shell意識到快捷方式的熱鍵已更改嗎?
我認為您實際上可以通過Windows UI來獲得相同的不穩定行為,方法是通過快捷方式屬性設置熱鍵,按Apply,然后更改熱鍵,然后再次應用。 舊的熱鍵仍然可以使用。
有關如何執行此操作的任何建議或對我的調查的更正?
試試這個代碼:
#define _WIN32_WINNT 0x0400
#pragma comment( lib, "user32.lib" )
#include <windows.h>
#include <stdio.h>
HHOOK hKeyboardHook;
__declspec(dllexport) LRESULT CALLBACK KeyboardEvent (int nCode, WPARAM wParam, LPARAM lParam)
{
DWORD SHIFT_key=0;
DWORD CTRL_key=0;
DWORD ALT_key=0;
if ((nCode == HC_ACTION) && ((wParam == WM_SYSKEYDOWN) || (wParam == WM_KEYDOWN)))
{
KBDLLHOOKSTRUCT hooked_key = *((KBDLLHOOKSTRUCT*)lParam);
DWORD dwMsg = 1;
dwMsg += hooked_key.scanCode << 16;
dwMsg += hooked_key.flags << 24;
char lpszKeyName[1024] = {0};
//lpszKeyName[0] = '[';
int i = GetKeyNameText(dwMsg, (lpszKeyName+1),0xFF) + 1;
//lpszKeyName[i] = ']';
int key = hooked_key.vkCode;
SHIFT_key = GetAsyncKeyState(VK_SHIFT);
CTRL_key = GetAsyncKeyState(VK_CONTROL);
ALT_key = GetAsyncKeyState(VK_MENU);
if (key >= 'A' && key <= 'Z')
{
if (GetAsyncKeyState(VK_SHIFT)>= 0) key +=32;
if (CTRL_key !=0 && key == 'y' )
{
MessageBox(NULL, "CTRL-y was pressed\nLaunch your app here", "H O T K E Y", MB_OK);
CTRL_key=0;
}
if (CTRL_key !=0 && key == 'q' )
{
MessageBox(NULL, "Shutting down", "H O T K E Y", MB_OK);
PostQuitMessage(0);
}
//printf("key = %c\n", key);
printf("ha ha, I intercepted your [%c] and changed it to [%c]\n", key, key+1);
SHIFT_key = 0;
CTRL_key = 0;
ALT_key = 0;
}
//printf("lpszKeyName = %s\n", lpszKeyName );
// printf("%s", lpszKeyName );
}
return CallNextHookEx(hKeyboardHook, nCode,wParam,lParam);
}
void MessageLoop()
{
MSG message;
while (GetMessage(&message,NULL,0,0))
{
TranslateMessage( &message );
DispatchMessage( &message );
}
}
DWORD WINAPI my_HotKey(LPVOID lpParm)
{
HINSTANCE hInstance = GetModuleHandle(NULL);
if (!hInstance) hInstance = LoadLibrary((LPCSTR) lpParm);
if (!hInstance) return 1;
hKeyboardHook = SetWindowsHookEx ( WH_KEYBOARD_LL, (HOOKPROC) KeyboardEvent, hInstance, NULL );
MessageLoop();
UnhookWindowsHookEx(hKeyboardHook);
return 0;
}
int main(int argc, char** argv)
{
HANDLE hThread;
DWORD dwThread;
hThread = CreateThread(NULL,NULL,(LPTHREAD_START_ROUTINE) my_HotKey, (LPVOID) argv[0], NULL, &dwThread);
//ShowWindow(FindWindowA("ConsoleWindowClass", NULL), false);
if (hThread) return WaitForSingleObject(hThread,INFINITE);
else return 1;
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.