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
|
#include <stdio.h>
#define JOGL_DUMMY_WINDOW_NAME "__jogl_dummy_window"
LRESULT CALLBACK DummyWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
return DefWindowProc(hWnd,uMsg,wParam,lParam);
}
ATOM oglClass = 0;
HWND CreateDummyWindow( int x, int y, int width, int height ) {
HINSTANCE hInstance;
DWORD dwExStyle;
DWORD dwStyle;
HWND hWnd;
hInstance = GetModuleHandle(NULL);
if( !oglClass ) {
WNDCLASS wc;
ZeroMemory( &wc, sizeof( wc ) );
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = (WNDPROC) DummyWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = NULL;
wc.hCursor = NULL;
wc.hbrBackground = NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName = JOGL_DUMMY_WINDOW_NAME;
if( !(oglClass = RegisterClass( &wc )) ) {
printf( "RegisterClass Failed: %d\n", GetLastError() );
return( 0 );
}
}
dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
dwStyle = WS_OVERLAPPEDWINDOW;
if( !(hWnd=CreateWindowEx( dwExStyle,
JOGL_DUMMY_WINDOW_NAME,
JOGL_DUMMY_WINDOW_NAME,
dwStyle | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
x, y, width, height,
NULL, NULL, hInstance, NULL ) ) ) {
return( 0 );
}
return( hWnd );
}
|
