84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
#if defined(OS_WINDOWS)
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#include "messaging.hpp"
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#include <hex/helpers/logger.hpp>
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#include <windows.h>
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namespace hex::messaging {
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std::optional<HWND> getImHexWindow() {
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HWND imhexWindow = nullptr;
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::EnumWindows([](HWND hWnd, LPARAM ret) -> BOOL {
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// Get the window name
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auto length = ::GetWindowTextLength(hWnd);
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std::string windowName(length + 1, '\x00');
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::GetWindowText(hWnd, windowName.data(), windowName.size());
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// Check if the window is visible and if it's an ImHex window
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if (::IsWindowVisible(hWnd) == TRUE && length != 0) {
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if (windowName.starts_with("ImHex")) {
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// It's our window, return it and stop iteration
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*reinterpret_cast<HWND*>(ret) = hWnd;
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return FALSE;
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}
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}
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// Continue iteration
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return TRUE;
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}, reinterpret_cast<LPARAM>(&imhexWindow));
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if (imhexWindow == nullptr)
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return { };
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else
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return imhexWindow;
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}
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void sendToOtherInstance(const std::string &eventName, const std::vector<u8> &args) {
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log::debug("Sending event {} to another instance (not us)", eventName);
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// Get the window we want to send it to
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HWND imHexWindow = *getImHexWindow();
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// Create the message
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std::vector<u8> fulleventData(eventName.begin(), eventName.end());
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fulleventData.push_back('\0');
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fulleventData.insert(fulleventData.end(), args.begin(), args.end());
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u8 *data = &fulleventData[0];
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DWORD dataSize = fulleventData.size();
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COPYDATASTRUCT message = {
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.dwData = 0,
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.cbData = dataSize,
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.lpData = data
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};
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// Send the message
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SendMessage(imHexWindow, WM_COPYDATA, reinterpret_cast<WPARAM>(imHexWindow), reinterpret_cast<LPARAM>(&message));
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}
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bool setupNative() {
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constexpr static auto UniqueMutexId = "ImHex/a477ea68-e334-4d07-a439-4f159c683763";
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// Check if an ImHex instance is already running by opening a global mutex
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HANDLE globalMutex = OpenMutex(MUTEX_ALL_ACCESS, FALSE, UniqueMutexId);
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if (globalMutex == nullptr) {
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// If no ImHex instance is running, create a new global mutex
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globalMutex = CreateMutex(nullptr, FALSE, UniqueMutexId);
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return true;
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} else {
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return false;
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}
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}
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}
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#endif
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