summaryrefslogtreecommitdiffstats
path: root/uisimulator/sdl/button.c
blob: 5def88b9afa95536ef07c56996f013517689dcb7 (plain)
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
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 by Felix Arends
 *
 * All files in this archive are subject to the GNU General Public License.
 * See the file COPYING in the source tree root for full license agreement.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include "uisdl.h"
#include "config.h"
#include "button.h"
#include "kernel.h"
#include "backlight.h"
#include "misc.h"

/* how long until repeat kicks in */
#define REPEAT_START      6

/* the speed repeat starts at */
#define REPEAT_INTERVAL_START   4

/* speed repeat finishes at */
#define REPEAT_INTERVAL_FINISH  2

struct event_queue button_queue;

static int btn = 0;    /* Hopefully keeps track of currently pressed keys... */

void button_event(int key, bool pressed)
{
    bool post = false;
    int new_btn = 0;
    int diff = 0;
    static int count = 0;
    static int lastbtn;
    static int repeat_speed = REPEAT_INTERVAL_START;
    static int repeat_count = 0;
    static bool repeat = false;

    switch (key)
    {
    case SDLK_KP4:
    case SDLK_LEFT:
        new_btn = BUTTON_LEFT;
        break;
    case SDLK_KP6:
    case SDLK_RIGHT:
        new_btn = BUTTON_RIGHT;
        break;

    case SDLK_KP8:
    case SDLK_UP:
#ifdef BUTTON_UP
        new_btn = BUTTON_UP;
#elif defined BUTTON_SCROLL_FWD
        new_btn = BUTTON_SCROLL_FWD;
#elif defined BUTTON_PLAY
        new_btn = BUTTON_PLAY;
#endif
        break;

    case SDLK_KP2:
    case SDLK_DOWN:
#ifdef BUTTON_DOWN
        new_btn = BUTTON_DOWN;
#elif defined BUTTON_SCROLL_BACK
        new_btn = BUTTON_SCROLL_BACK;
#elif defined BUTTON_STOP
        new_btn = BUTTON_STOP;
#endif
        break;

    case SDLK_KP_PLUS:
#ifdef BUTTON_ON
        new_btn = BUTTON_ON;
#elif defined(BUTTON_SELECT) && defined(BUTTON_PLAY)
        new_btn = BUTTON_PLAY;
#endif
        break;

#ifdef BUTTON_OFF
    case SDLK_RETURN:
        new_btn = BUTTON_OFF;
        break;
#endif

#ifdef BUTTON_F1
    case SDLK_KP_DIVIDE:
    case SDLK_F1:
        new_btn = BUTTON_F1;
        break;
    case SDLK_KP_MULTIPLY:
    case SDLK_F2:
        new_btn = BUTTON_F2;
        break;
    case SDLK_KP_MINUS:
    case SDLK_F3:
        new_btn = BUTTON_F3;
        break;
#elif defined(BUTTON_REC)
    case SDLK_KP_DIVIDE:
    case SDLK_F1:
        new_btn = BUTTON_REC;
        break;
#endif

    case SDLK_KP5:
    case SDLK_SPACE:
#if defined(BUTTON_PLAY) && !defined(BUTTON_SELECT)
        new_btn = BUTTON_PLAY;
#elif defined(BUTTON_SELECT)
        new_btn = BUTTON_SELECT;
#endif
        break;

#ifdef HAVE_LCD_BITMAP
    case SDLK_KP0:
    case SDLK_F5:
        if(pressed)
        {
            screen_dump();
            return;
        }
        break;
#endif

    case SDLK_PERIOD:
    case SDLK_INSERT:
#ifdef BUTTON_MENU
        new_btn = BUTTON_MENU;
#elif defined(BUTTON_MODE)
        new_btn = BUTTON_MODE;
#endif
        break;
    }
    
    if (pressed)
        btn |= new_btn;
    else
        btn &= ~new_btn;

    /* Lots of stuff copied from real button.c. Not good, I think... */

    /* Find out if a key has been released */
    diff = btn ^ lastbtn;

    if(diff && (btn & diff) == 0)
    {
        queue_post(&button_queue, BUTTON_REL | diff, NULL);
    }
    else
    {
        if ( btn )
        {
            /* normal keypress */
            if ( btn != lastbtn )
            {
                post = true;
                repeat = false;
                repeat_speed = REPEAT_INTERVAL_START;

            }
            else /* repeat? */
            {
                if ( repeat )
                {
                    count--;
                    if (count == 0)
                    {
                        post = true;
                        /* yes we have repeat */
                        repeat_speed--;
                        if (repeat_speed < REPEAT_INTERVAL_FINISH)
                            repeat_speed = REPEAT_INTERVAL_FINISH;
                        count = repeat_speed;

                        repeat_count++;
                    }
                }
                else
                {
                    if (count++ > REPEAT_START)
                    {
                        post = true;
                        repeat = true;
                        repeat_count = 0;
                        /* initial repeat */
                        count = REPEAT_INTERVAL_START;
                    }
                }
            }
            if ( post )
            {
                if(repeat)
                    queue_post(&button_queue, BUTTON_REPEAT | btn, NULL);
                else
                    queue_post(&button_queue, btn, NULL);

#ifdef HAVE_REMOTE_LCD
                if(btn & BUTTON_REMOTE)
                    remote_backlight_on();
                else
#endif
                    backlight_on();

            }
        }
        else
        {
            repeat = false;
            count = 0;
        }
    }
    lastbtn = btn & ~(BUTTON_REL | BUTTON_REPEAT);
}

/* Again copied from real button.c... */

long button_get(bool block)
{
    struct event ev;

    if ( block || !queue_empty(&button_queue) ) {
        queue_wait(&button_queue, &ev);
        return ev.id;
    }
    return BUTTON_NONE;
}

long button_get_w_tmo(int ticks)
{
    struct event ev;
    queue_wait_w_tmo(&button_queue, &ev, ticks);
    return (ev.id != SYS_TIMEOUT)? ev.id: BUTTON_NONE;
} 

void button_init(void)
{
}

int button_status(void)
{
    return btn;
}

void button_clear_queue(void)
{
    queue_clear(&button_queue);
}

#ifdef HAS_BUTTON_HOLD
bool button_hold(void) {
    /* temp fix for hold button on irivers */
    return false;
}
#endif

#ifdef HAS_REMOTE_BUTTON_HOLD
bool remote_button_hold(void) {
    /* temp fix for hold button on irivers */
    return false;
}
#endif