FcLibs/FcWindow/src/FcPlatform/FcPlatform_WINAPI_Definition.h - master - vTech/FcApps

FcLibs/FcWindow/src/FcPlatform/FcPlatform_WINAPI_Definition.h
85 строк2 KB
vTech
alpha_00
03 дек 2025, 17:45
03 дек 2025, 17:45ab8382d
#if defined(_WIN32) || defined(_WIN64)
#ifndef __FCPLATFORM_WINAPI_DEFINITION_H__
#define __FCPLATFORM_WINAPI_DEFENITION_H__

#include "FcError.h"
#include "FcConfig.h"

//extern const TCHAR FCWINDOWGL_ATOM_WM_GL_ERROR[];
#define FCWINDOWGL_ATOM_WM_GL_ERROR					(WM_USER + 1)

#ifdef __cplusplus
extern "C" {
#endif
	extern LRESULT APIENTRY FcWindowGL_WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
#ifdef __cplusplus
}
#endif

FCDEF FcWindow_Error_t FcPlatform_WINAPI(FcPlatform_WINAPI_t* pPlatform) {
	FcWindow_Error_t mError;
	WNDCLASS mClass;
	mError = FCWINDOW_ERROR_NOERROR;
	if (!pPlatform) {
		mError = FCWINDOW_ERROR_PLATFORM_FcPlatform_WINAPI_pPlatformNULL;
		FcWindow_Error("FcPlatform_WINAPI: Incorrect parameter transmission!", NULL);
		goto gError;
	}
	ZeroMemory(&mClass, sizeof(mClass));
	
	if (!pPlatform->mInstance) {
		pPlatform->mInstance = GetModuleHandle(NULL);
		if (!pPlatform->mInstance) {
			mError = FCWINDOW_ERROR_WINAPI;
			goto gError;
		}
	}
	mClass.style =
		CS_OWNDC |
		CS_HREDRAW |
		CS_VREDRAW;
	mClass.lpfnWndProc = FcWindowGL_WndProc;
	mClass.cbClsExtra = 0;
	mClass.cbWndExtra = 0;
	mClass.hInstance = pPlatform->mInstance;
	mClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	mClass.hCursor = LoadCursor(NULL, IDC_ARROW);
	mClass.hbrBackground = (HBRUSH)(COLOR_WINDOW);
	mClass.lpszMenuName = NULL;
	mClass.lpszClassName = FCWINDOWGL_REGISTER_CLASS;
	if (!RegisterClass(&mClass)) {
		if (GetLastError() != ERROR_CLASS_ALREADY_EXISTS) {
			mError = FCWINDOW_ERROR_WINAPI;
			goto gError;
		}
	}
	//if (!pPlatform->mAtom_GL_ERROR) {
	//	pPlatform->mAtom_GL_ERROR = RegisterWindowMessage(FCWINDOWGL_ATOM_WM_GL_ERROR);
	//	if (!pPlatform->mAtom_GL_ERROR) {
	//		mError = FCWINDOW_ERROR_WINAPI;
	//		goto gError;
	//	}
	//}

gError:
	return mError;
}

FCDEF FcWindow_Error_t FcPlatform_WINAPI_free(FcPlatform_WINAPI_t* pPlatform) {
	FcWindow_Error_t mError;
	mError = FCWINDOW_ERROR_NOERROR;
	if (!pPlatform) {
		mError = FCWINDOW_ERROR_PLATFORM_FcPlatform_WINAPI_free_pPlatformNULL;
		goto gError;
	}
	if (!UnregisterClass(FCWINDOWGL_REGISTER_CLASS, pPlatform->mInstance)) {
		mError = FCWINDOW_ERROR_WINAPI;
		goto gError;
	}

gError:
	return mError;
}

#endif //__FCPLATFORM_WINAPI_DEFINITION_H__
#endif //_WIN32