summaryrefslogtreecommitdiffstats
path: root/uisimulator/x11/button-x11.c
blob: 673f71ea7b9affaad9dd97bef1756c59564a12c7 (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
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 by Björn Stenberg
 *
 * 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 <stdlib.h>
#include "config.h"
#include "button.h"
#include "kernel.h"
#include "debug.h"
#include "backlight.h"
#include "misc.h"

#include "X11/keysym.h"

extern int screenhack_handle_events(bool *release);

struct event_queue button_queue;

static int button_state = 0; /* keeps track of pressed keys */
static long lastbtn;   /* Last valid button status */

/* how often we check to see if a button is pressed */
#define POLL_FREQUENCY    HZ/25

/* how long until repeat kicks in */
#define REPEAT_START      8

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

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

/* mostly copied from real button.c */
void button_read (void);

static void button_tick(void)
{
    static int tick = 0;
    static int count = 0;
    static int repeat_speed = REPEAT_INTERVAL_START;
    static int repeat_count = 0;
    static bool repeat = false;
    static bool post = false;
    int diff;
    int btn;

    /* only poll every X ticks */
    if ( ++tick >= POLL_FREQUENCY )
    {
        button_read();
        btn = button_state;

        /* 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)
                    {
                        if (queue_empty(&button_queue))
                        {
                            queue_post(&button_queue, BUTTON_REPEAT | btn, NULL);
                            post = false;
                        }
                    }
                    else
                    {
                        queue_post(&button_queue, btn, NULL);
                        post = false;
                    }
#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);
        tick = 0;
    }
}

/*
 * Read X keys and translate to rockbox buttons
 */

void button_read (void)
{
    int k;
    bool release = false; /* is this a release event */
    int ev = screenhack_handle_events(&release);

    switch (ev)
    {
        case XK_KP_Left:
        case XK_Left:
        case XK_KP_4:
            k = BUTTON_LEFT;
            break;

        case XK_KP_Right:
        case XK_Right:
        case XK_KP_6:
            k = BUTTON_RIGHT;
            break;

        case XK_KP_Up:
        case XK_Up:
        case XK_KP_8:
#ifdef BUTTON_UP
            k = BUTTON_UP;
#elif defined BUTTON_PLAY
            k = BUTTON_PLAY;
#endif
            break;

        case XK_KP_Down:
        case XK_Down:
        case XK_KP_2:
#ifdef BUTTON_DOWN
            k = BUTTON_DOWN;
#elif defined BUTTON_STOP
            k = BUTTON_STOP;
#endif
            break;

#ifdef BUTTON_ON
        case XK_KP_Add:
        case XK_Q:
        case XK_q:
            k = BUTTON_ON;
            break;
#endif

#ifdef BUTTON_OFF
        case XK_KP_Enter:
        case XK_A:
        case XK_a:
            k = BUTTON_OFF;
            break;
#endif

#ifdef BUTTON_F1
        case XK_KP_Divide:
        case XK_1:
            k = BUTTON_F1;
            break;

        case XK_KP_Multiply:
        case XK_2:
            k = BUTTON_F2;
            break;

        case XK_KP_Subtract:
        case XK_3:
            k = BUTTON_F3;
            break;
#elif defined(BUTTON_REC)
        case XK_KP_Divide:
        case XK_1:
            k = BUTTON_REC;
            break;
#endif

        case XK_KP_Space:
        case XK_KP_5:
        case XK_KP_Begin:
        case XK_space:
#ifdef BUTTON_PLAY
            k = BUTTON_PLAY;
#elif defined(BUTTON_SELECT)
            k = BUTTON_SELECT;
#endif
            break;

#ifdef HAVE_LCD_BITMAP
        case XK_5:
            if(!release)
                screen_dump();
            break;
#endif

        case XK_KP_Separator:
        case XK_KP_Insert:
        case XK_Insert:
#ifdef BUTTON_MENU
            k = BUTTON_MENU;
#elif defined(BUTTON_MODE)
            k = BUTTON_MODE;
#endif
            break;

        default:
            k = 0;
            if(ev)
                DEBUGF("received ev %d\n", ev);
            break;
    }

    if (release)
        button_state &= ~k;
    else
        button_state |= k;
}

/* 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)
{
    tick_add_task(button_tick);
}

int button_status(void)
{
    return lastbtn;
}

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