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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
(c) Copyright 2000-2002 convergence integrated media GmbH.
All rights reserved.
Written by Denis Oliver Kropp <dok@convergence.de>,
Andreas Hundt <andi@convergence.de> and
Sven Neumann <sven@convergence.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <iostream>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <dfb++.h>
#include "dfbapp.h"
class Simple : public DFBApp {
public:
Simple() {
m_keydown = false;
}
virtual ~Simple() {
}
private:
/* render callback */
virtual void Render( IDirectFBSurface *surface ) {
if (m_keydown)
surface->Clear( 0xff, 0xff, 0xff );
else
surface->Clear( 0x00, 0x00, 0x00 );
}
/* event callback, return true to exit application */
virtual bool HandleEvent( DFBInputEvent &event ) {
switch (event.type) {
case DIET_KEYPRESS:
if (event.key_symbol == DIKS_ESCAPE)
return true;
m_keydown = true;
break;
case DIET_KEYRELEASE:
m_keydown = false;
break;
default:
break;
}
return false;
}
bool m_keydown;
};
int
main( int argc, char *argv[] )
{
Simple app;
try {
/* Initialize DirectFB command line parsing. */
DirectFB::Init( &argc, &argv );
/* Parse remaining arguments and run. */
if (app.Init( argc, argv ))
app.Run();
}
catch (DFBException *ex) {
/*
* Exception has been caught, destructor of 'app' will deinitialize
* anything at return time (below) that got initialized until now.
*/
std::cerr << std::endl;
std::cerr << "Caught exception!" << std::endl;
std::cerr << " -- " << ex << std::endl;
}
return 0;
}
|
