summaryrefslogtreecommitdiff
path: root/apps/gui/usb_screen.c
blob: 50188274d26e7a93ba569cd65e138eb3daabe8bc (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
322
323
324
325
326
/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id: screens.c 23269 2009-10-19 20:06:51Z tomers $
 *
 * Copyright (C) 2002 Björn Stenberg
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/

#include "action.h"
#ifdef HAVE_REMOTE_LCD
#include "lcd-remote.h"
#endif
#include "lang.h"
#include "usb.h"
#if defined(HAVE_USBSTACK)
#include "usb_core.h"
#ifdef USB_ENABLE_HID
#include "usb_keymaps.h"
#endif
#endif
#include "settings.h"
#include "led.h"
#include "appevents.h"

#ifdef HAVE_LCD_BITMAP
#include "bitmaps/usblogo.h"
#endif

#ifdef HAVE_REMOTE_LCD
#include "bitmaps/remote_usblogo.h"
#endif

#if (CONFIG_STORAGE & STORAGE_MMC)
#include "ata_mmc.h"
#endif

#ifdef USB_ENABLE_HID
int usb_keypad_mode;
static bool usb_hid;
#endif

#ifndef SIMULATOR

static int handle_usb_events(void)
{
#if (CONFIG_STORAGE & STORAGE_MMC)
    int next_update=0;
#endif /* STORAGE_MMC */

    /* Don't return until we get SYS_USB_DISCONNECTED or SYS_TIMEOUT */
    while(1)
    {
        int button;
#ifdef USB_ENABLE_HID
        if (usb_hid)
        {
            button = get_hid_usb_action();

            /* On mode change, we need to refresh the screen */
            if (button == ACTION_USB_HID_MODE_SWITCH_NEXT ||
                    button == ACTION_USB_HID_MODE_SWITCH_PREV)
            {
                break;
            }
        }
        else
#endif
        {
            button = button_get_w_tmo(HZ/2);
            /* hid emits the event in get_action */
            send_event(GUI_EVENT_ACTIONUPDATE, NULL);
        }

        switch(button)
        {
            case SYS_USB_DISCONNECTED:
                usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
                return 1;
            case SYS_TIMEOUT:
                break;
        }

#if (CONFIG_STORAGE & STORAGE_MMC) /* USB-MMC bridge can report activity */
        if(TIME_AFTER(current_tick,next_update))
        {
            if(usb_inserted()) {
                led(mmc_usb_active(HZ));
            }
            next_update=current_tick+HZ/2;
        }
#endif /* STORAGE_MMC */
    }

    return 0;
}
#endif

#ifdef USB_NONE
void gui_usb_screen_run(void)
{
}
#else
#define MODE_NAME_LEN 32

struct usb_screen_vps_t
{
    struct viewport parent;
#ifdef HAVE_LCD_BITMAP
    struct viewport logo;
#ifdef USB_ENABLE_HID
    struct viewport title;
#endif
#endif
};

#ifdef HAVE_LCD_BITMAP
static void usb_screen_fix_viewports(struct screen *screen,
        struct usb_screen_vps_t *usb_screen_vps)
{
    int logo_width, logo_height;
    struct viewport *parent = &usb_screen_vps->parent;
    struct viewport *logo = &usb_screen_vps->logo;

#ifdef HAVE_REMOTE_LCD
    if (screen->screen_type == SCREEN_REMOTE)
    {
        logo_width = BMPWIDTH_remote_usblogo;
        logo_height = BMPHEIGHT_remote_usblogo;
    }
    else
#endif
    {
        logo_width = BMPWIDTH_usblogo;
        logo_height = BMPHEIGHT_usblogo;
    }

    viewport_set_defaults(parent, screen->screen_type);
    if (parent->width < logo_width || parent->height < logo_height)
        viewport_set_fullscreen(parent, screen->screen_type);

    *logo = *parent;
    logo->x = parent->width - logo_width;
    logo->y = (parent->height - logo_height) / 2;
    logo->width = logo_width;
    logo->height = logo_height;

#ifdef USB_ENABLE_HID
    if (usb_hid)
    {
        struct viewport *title = &usb_screen_vps->title;
        int char_height, nb_lines;

        /* nb_lines only returns the number of fully visible lines, small
         * screens or really large fonts could cause problems with the
         * calculation below.
         */
        nb_lines = viewport_get_nb_lines(parent);
        if (nb_lines == 0)
            nb_lines++;

        char_height = parent->height/nb_lines;

        *title = *parent;
        title->y = logo->y + logo->height + char_height;
    }
#endif
}
#endif

static void usb_screens_draw(struct usb_screen_vps_t *usb_screen_vps_ar)
{
    int i;
    int usb_bars = VP_SB_ALLSCREENS; /* force statusbars */

    FOR_NB_SCREENS(i)
    {
        struct screen *screen = &screens[i];

        struct usb_screen_vps_t *usb_screen_vps = &usb_screen_vps_ar[i];
        struct viewport *parent = &usb_screen_vps->parent;
#ifdef HAVE_LCD_BITMAP
        struct viewport *logo = &usb_screen_vps->logo;
#endif

        screen->set_viewport(parent);
        screen->backdrop_show(BACKDROP_MAIN);
        screen->backlight_on();
        screen->clear_viewport();

#ifdef HAVE_LCD_BITMAP
        screen->set_viewport(logo);
#ifdef HAVE_REMOTE_LCD
        if (i == SCREEN_REMOTE)
        {
            screen->bitmap(remote_usblogo, 0, 0, logo->width,
                logo->height);
        }
        else
#endif
        {
            screen->transparent_bitmap(usblogo, 0, 0, logo->width,
                logo->height);
#ifdef USB_ENABLE_HID
            if (usb_hid)
            {
                screen->set_viewport(&usb_screen_vps->title);
                usb_screen_vps->title.flags |= VP_FLAG_ALIGN_CENTER;
                screen->puts_scroll(0, 0, str(keypad_mode_name_get()));
            }
#endif /* USB_ENABLE_HID */
        }
        screen->set_viewport(parent);

#else /* HAVE_LCD_BITMAP */
        screen->double_height(false);
        screen->puts_scroll(0, 0, "[USB Mode]");
        status_set_param(false);
        status_set_audio(false);
        status_set_usb(true);
#endif /* HAVE_LCD_BITMAP */

        screen->update_viewport();
        screen->set_viewport(NULL);

        /* force statusbar by ignoring the setting */
        usb_bars |= VP_SB_IGNORE_SETTING(i);
    }

    viewportmanager_set_statusbar(usb_bars);
}

void gui_usb_screen_run(void)
{
    int i;
    int old_bars  = viewportmanager_get_statusbar();
    struct usb_screen_vps_t usb_screen_vps_ar[NB_SCREENS];
#if defined HAVE_TOUCHSCREEN
    enum touchscreen_mode old_mode = touchscreen_get_mode();

    /* TODO: Paint buttons on screens OR switch to point mode and use
     * touchscreen as a touchpad to move the host's mouse cursor */
    touchscreen_set_mode(TOUCHSCREEN_BUTTON);
#endif

#ifndef SIMULATOR
    usb_acknowledge(SYS_USB_CONNECTED_ACK);
#endif

#ifdef USB_ENABLE_HID
    usb_hid = global_settings.usb_hid;
    usb_keypad_mode = global_settings.usb_keypad_mode;
#endif

    FOR_NB_SCREENS(i)
    {
        struct screen *screen = &screens[i];

        screen->set_viewport(NULL);
#ifdef HAVE_LCD_BITMAP
        usb_screen_fix_viewports(screen, &usb_screen_vps_ar[i]);
#endif
    }

    while (1)
    {
        usb_screens_draw(usb_screen_vps_ar);
#ifdef SIMULATOR
        if (button_get_w_tmo(HZ/2))
            break;
        send_event(GUI_EVENT_ACTIONUPDATE, NULL);
#else
        if (handle_usb_events())
            break;
#endif /* SIMULATOR */
    }

    FOR_NB_SCREENS(i)
    {
        const struct viewport* vp = NULL;

#if defined(HAVE_LCD_BITMAP) && defined(USB_ENABLE_HID)
        vp = usb_hid ? &usb_screen_vps_ar[i].title : NULL;
#elif !defined(HAVE_LCD_BITMAP)
        vp = &usb_screen_vps_ar[i].parent;
#endif
        if (vp)
            screens[i].scroll_stop(vp);
    }
#ifdef USB_ENABLE_HID
    if (global_settings.usb_keypad_mode != usb_keypad_mode)
    {
        global_settings.usb_keypad_mode = usb_keypad_mode;
        settings_save();
    }
#endif

#ifdef HAVE_TOUCHSCREEN
    touchscreen_set_mode(old_mode);
#endif

#ifdef HAVE_LCD_CHARCELLS
    status_set_usb(false);
#endif /* HAVE_LCD_CHARCELLS */
    FOR_NB_SCREENS(i)
    {
        screens[i].backlight_on();
    }
    viewportmanager_set_statusbar(old_bars);
    send_event(GUI_EVENT_REFRESH, NULL);

}
#endif /* !defined(USB_NONE) */