forked from Dniel97/segatools
87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
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#include <windows.h>
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#include <assert.h>
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#include <string.h>
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#include "util/dprintf.h"
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/* DirectInput requires a window for correct initialization (and also force
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feedback), so this source file provides some utilities for creating a
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generic message-only window. */
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static LRESULT WINAPI swdc_io_wnd_proc(
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HWND hwnd,
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UINT msg,
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WPARAM wparam,
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LPARAM lparam);
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HRESULT swdc_io_wnd_create(HINSTANCE inst, HWND *out)
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{
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HRESULT hr;
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WNDCLASSEXW wcx;
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ATOM atom;
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HWND hwnd;
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assert(inst != NULL); /* We are not an EXE */
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assert(out != NULL);
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*out = NULL;
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memset(&wcx, 0, sizeof(wcx));
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wcx.cbSize = sizeof(wcx);
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wcx.lpfnWndProc = swdc_io_wnd_proc;
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wcx.hInstance = inst;
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wcx.lpszClassName = L"SWDCIO";
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atom = RegisterClassExW(&wcx);
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if (atom == 0) {
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hr = HRESULT_FROM_WIN32(GetLastError());
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dprintf("SWDCIO: RegisterClassExW failed: %08x\n", (int) hr);
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goto fail;
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}
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hwnd = CreateWindowExW(
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0,
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(wchar_t *) (intptr_t) atom,
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L"",
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0,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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HWND_MESSAGE,
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NULL,
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inst,
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NULL);
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if (hwnd == NULL) {
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hr = HRESULT_FROM_WIN32(GetLastError());
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dprintf("SWDCIO: CreateWindowExW failed: %08x\n", (int) hr);
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goto fail;
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}
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*out = hwnd;
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return S_OK;
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fail:
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UnregisterClassW((wchar_t *) (intptr_t) atom, inst);
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return hr;
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}
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static LRESULT WINAPI swdc_io_wnd_proc(
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HWND hwnd,
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UINT msg,
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WPARAM wparam,
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LPARAM lparam)
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{
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switch (msg) {
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default:
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return DefWindowProcW(hwnd, msg, wparam, lparam);
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}
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}
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