1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
* %W% %E%
*
* Copyright 2002 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
#include <windows.h>
#include <jni.h>
#include "net_java_games_input_DummyWindow.h"
#include "util.h"
static const TCHAR* DUMMY_WINDOW_NAME = "JInputControllerWindow";
static LRESULT CALLBACK DummyWndProc(
HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
return DefWindowProc(hWnd, message, wParam, lParam);
}
static BOOL RegisterDummyWindow(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)DummyWndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = NULL;
wcex.hCursor = NULL;
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = (LPCSTR)NULL;
wcex.lpszClassName = DUMMY_WINDOW_NAME;
wcex.hIconSm = NULL;
return RegisterClassEx(&wcex);
}
JNIEXPORT jlong JNICALL Java_net_java_games_input_DummyWindow_createWindow(JNIEnv *env, jclass unused) {
HINSTANCE hInst = GetModuleHandle(NULL);
HWND hwndDummy;
WNDCLASSEX class_info;
class_info.cbSize = sizeof(WNDCLASSEX);
class_info.cbClsExtra = 0;
class_info.cbWndExtra = 0;
if (!GetClassInfoEx(hInst, DUMMY_WINDOW_NAME, &class_info)) {
// Register the dummy input window
if (!RegisterDummyWindow(hInst)) {
throwIOException(env, "Failed to register window class (%d)\n", GetLastError());
return 0;
}
}
// Create the dummy input window
hwndDummy = CreateWindow(DUMMY_WINDOW_NAME, NULL,
WS_POPUP | WS_ICONIC,
0, 0, 0, 0, NULL, NULL, hInst, NULL);
if (hwndDummy == NULL) {
throwIOException(env, "Failed to create window (%d)\n", GetLastError());
return 0;
}
return (jlong)hwndDummy;
}
JNIEXPORT void JNICALL Java_net_java_games_input_DummyWindow_nDestroy(JNIEnv *env, jclass unused, jlong hwnd_address) {
HWND hwndDummy = (HWND)(INT_PTR)hwnd_address;
BOOL result = DestroyWindow(hwndDummy);
if (!result) {
throwIOException(env, "Failed to destroy window (%d)\n", GetLastError());
}
}
|
