Michael Fabian Dirks
110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
#pragma once
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#include "WindowMessageHandler.h"
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std::list<WindowUserData>* WindowMessageHandler_List;
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void WindowMessageHandler_OnProcessAttach() {
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WindowMessageHandler_List = new std::list<WindowUserData>();
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}
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void WindowMessageHandler_OnProcessDetach() {
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for (auto iterator = WindowMessageHandler_List->begin(), end = WindowMessageHandler_List->end(); iterator != end; iterator++) {
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WindowMessageHandler_Uninstall(iterator->hwnd);
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}
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WindowMessageHandler_List->clear();
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delete WindowMessageHandler_List;
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}
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LRESULT CALLBACK WindowMessageHandler_Procedure(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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switch (uMsg) {
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case WM_SIZE:
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UserData->WindowWasResized = true;
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UserData->WindowClientWidth = lParam & 0xFFFF;
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UserData->WindowClientHeight = lParam & 0xFFFF0000 >> 16;
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return CallWindowProc(UserData->oWindowProcedure, hwnd, uMsg, wParam, lParam);
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break;
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case WM_CLOSE:
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UserData->DestroyCount++;
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return false;
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case WM_DESTROY:
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UserData->CloseCount++;
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return false;
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default:
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return CallWindowProc(UserData->oWindowProcedure, hwnd, uMsg, wParam, lParam);
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}
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} else {
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return DefWindowProc(hwnd, uMsg, wParam, lParam);
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}
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}
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DLL_EXPORT void WindowMessageHandler_Install(HWND hwnd) {
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if (hwnd) {
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WindowUserData* UserData = new WindowUserData;
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ZeroMemory(UserData, sizeof(UserData));
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UserData->oWindowProcedure = (WNDPROC)SetWindowLong(hwnd, GWL_WNDPROC, (LONG)&WindowMessageHandler_Procedure);
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UserData->oUserData = SetWindowLong(hwnd, GWL_USERDATA, (LONG)UserData);
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}
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}
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#pragma comment(linker, "/EXPORT:WindowMessageHandler_Install=_WindowMessageHandler_Install@4")
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DLL_EXPORT void WindowMessageHandler_Uninstall(HWND hwnd) {
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if (hwnd) {
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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SetWindowLong(hwnd, GWL_USERDATA, UserData->oUserData);
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SetWindowLong(hwnd, GWL_WNDPROC, (LONG)(UserData->oWindowProcedure));
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delete UserData;
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}
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}
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}
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#pragma comment(linker, "/EXPORT:WindowMessageHandler_Uninstall=_WindowMessageHandler_Uninstall@4")
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DLL_EXPORT int WindowMessageHandler_Message_Resize(HWND hwnd, LPPOINT point) {
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if (hwnd) {
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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int toReturn = UserData->WindowWasResized;
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point->x = UserData->WindowClientWidth;
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point->y = UserData->WindowClientHeight;
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UserData->WindowWasResized = false;
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return toReturn;
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}
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}
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return 0;
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}
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#pragma comment(linker, "/EXPORT:WindowMessageHandler_Message_Resize=_WindowMessageHandler_Message_Resize@8")
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DLL_EXPORT int WindowMessageHandler_Message_Destroy(HWND hwnd) {
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if (hwnd) {
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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int toReturn = UserData->DestroyCount;
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UserData->DestroyCount = 0;
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return toReturn;
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}
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}
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return 0;
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}
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#pragma comment(linker, "/EXPORT:WindowMessageHandler_Message_Destroy=_WindowMessageHandler_Message_Destroy@4")
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DLL_EXPORT int WindowMessageHandler_Message_Close(HWND hwnd) {
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if (hwnd) {
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WindowUserData* UserData = (WindowUserData*)GetWindowLong(hwnd, GWL_USERDATA);
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if (UserData) {
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int toReturn = UserData->CloseCount;
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UserData->CloseCount = 0;
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return toReturn;
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}
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}
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return 0;
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}
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#pragma comment(linker, "/EXPORT:WindowMessageHandler_Message_Close=_WindowMessageHandler_Message_Close@4")
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