Root/src/touchscreen.h

1/***************************************************************************
2 * Copyright (C) 2006 by Massimiliano Torromeo *
3 * massimiliano.torromeo@gmail.com *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20
21#ifndef TOUCHSCREEN_H
22#define TOUCHSCREEN_H
23
24#include <SDL.h>
25
26#include <stdint.h>
27
28typedef struct {
29    uint16_t pressure;
30    uint16_t x;
31    uint16_t y;
32    uint16_t pad;
33    struct timeval stamp;
34} TS_EVENT;
35
36class Touchscreen {
37public:
38    Touchscreen();
39    ~Touchscreen();
40
41    bool available() {
42        return false;
43    }
44
45    bool poll();
46    bool pressed();
47    bool released();
48
49    bool handled();
50    void setHandled();
51
52    bool inRect(int x, int y, int w, int h);
53    bool inRect(SDL_Rect r);
54    bool startedInRect(int x, int y, int w, int h);
55    bool startedInRect(SDL_Rect r);
56
57    int getX() { return x; }
58    int getY() { return y; }
59
60private:
61    int ts_fd;
62    bool calibrated, _handled;
63    TS_EVENT event;
64    int calibX, calibY;
65    int x, y, startX, startY;
66    bool wasPressed;
67
68    void calibrate(/*TS_EVENT event*/);
69};
70
71#endif
72

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