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rockbox/apps/gui/skin_engine/skin_display.c
Jonathan Gordon ee4f8a9a6b Allow viewport labels to be mostly free text instead of only one character. If this is useful the same will be done for images 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27665 a1c6a512-1295-4272-9138-f99709370657
2010-08-02 12:50:23 +00:00

902 lines
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002-2007 Björn Stenberg
* Copyright (C) 2007-2008 Nicolas Pennequin
*
* 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 "config.h"
#include <stdio.h>
#include "string-extra.h"
#include "misc.h"
#include "font.h"
#include "system.h"
#include "rbunicode.h"
#include "sound.h"
#include "powermgmt.h"
#ifdef DEBUG
#include "debug.h"
#endif
#include "action.h"
#include "abrepeat.h"
#include "lang.h"
#include "language.h"
#include "statusbar.h"
#include "settings.h"
#include "scrollbar.h"
#include "screen_access.h"
#include "playlist.h"
#include "audio.h"
#include "tagcache.h"
#ifdef HAVE_LCD_BITMAP
#include "peakmeter.h"
/* Image stuff */
#include "bmp.h"
#ifdef HAVE_ALBUMART
#include "albumart.h"
#endif
#endif
#include "cuesheet.h"
#if CONFIG_CODEC == SWCODEC
#include "playback.h"
#endif
#include "backdrop.h"
#include "viewport.h"
#if CONFIG_TUNER
#include "radio.h"
#include "tuner.h"
#endif
#include "root_menu.h"
#include "wps_internals.h"
#include "skin_engine.h"
#include "statusbar-skinned.h"
#include "skin_display.h"
void skin_render(struct gui_wps *gwps, unsigned refresh_mode);
/* update a skinned screen, update_type is WPS_REFRESH_* values.
* Usually it should only be WPS_REFRESH_NON_STATIC
* A full update will be done if required (state.do_full_update == true)
*/
void skin_update(struct gui_wps *gwps, unsigned int update_type)
{
/* This maybe shouldnt be here,
* This is also safe for skined screen which dont use the id3 */
struct mp3entry *id3 = gwps->state->id3;
bool cuesheet_update = (id3 != NULL ? cuesheet_subtrack_changed(id3) : false);
gwps->sync_data->do_full_update |= cuesheet_update;
skin_render(gwps, gwps->sync_data->do_full_update ?
SKIN_REFRESH_ALL : update_type);
}
#ifdef HAVE_LCD_BITMAP
void skin_statusbar_changed(struct gui_wps *skin)
{
if (!skin)
return;
struct wps_data *data = skin->data;
const struct screen *display = skin->display;
const int screen = display->screen_type;
struct viewport *vp = &find_viewport(VP_DEFAULT_LABEL, false, data)->vp;
viewport_set_defaults(vp, screen);
if (data->wps_sb_tag)
{ /* fix up the default viewport */
if (data->show_sb_on_wps)
{
if (statusbar_position(screen) != STATUSBAR_OFF)
return; /* vp is fixed already */
vp->y = STATUSBAR_HEIGHT;
vp->height = display->lcdheight - STATUSBAR_HEIGHT;
}
else
{
if (statusbar_position(screen) == STATUSBAR_OFF)
return; /* vp is fixed already */
vp->y = vp->x = 0;
vp->height = display->lcdheight;
vp->width = display->lcdwidth;
}
}
}
void draw_progressbar(struct gui_wps *gwps, int line, struct progressbar *pb)
{
struct screen *display = gwps->display;
struct viewport *vp = pb->vp;
struct wps_state *state = gwps->state;
struct mp3entry *id3 = state->id3;
int y = pb->y, height = pb->height;
unsigned long length, elapsed;
if (height < 0)
height = font_get(vp->font)->height;
if (y < 0)
{
int line_height = font_get(vp->font)->height;
/* center the pb in the line, but only if the line is higher than the pb */
int center = (line_height-height)/2;
/* if Y was not set calculate by font height,Y is -line_number-1 */
y = line*line_height + (0 > center ? 0 : center);
}
if (pb->type == SKIN_TOKEN_VOLUMEBAR)
{
int minvol = sound_min(SOUND_VOLUME);
int maxvol = sound_max(SOUND_VOLUME);
length = maxvol-minvol;
elapsed = global_settings.volume-minvol;
}
else if (pb->type == SKIN_TOKEN_BATTERY_PERCENTBAR)
{
length = 100;
elapsed = battery_level();
}
#if CONFIG_TUNER
else if (in_radio_screen() || (get_radio_status() != FMRADIO_OFF))
{
int min = fm_region_data[global_settings.fm_region].freq_min;
elapsed = radio_current_frequency() - min;
length = fm_region_data[global_settings.fm_region].freq_max - min;
}
#endif
else if (id3 && id3->length)
{
length = id3->length;
elapsed = id3->elapsed + state->ff_rewind_count;
}
else
{
length = 1;
elapsed = 0;
}
if (pb->have_bitmap_pb)
gui_bitmap_scrollbar_draw(display, &pb->bm,
pb->x, y, pb->width, pb->bm.height,
length, 0, elapsed, HORIZONTAL);
else
gui_scrollbar_draw(display, pb->x, y, pb->width, height,
length, 0, elapsed, HORIZONTAL);
if (pb->type == SKIN_TOKEN_PROGRESSBAR)
{
if (id3 && id3->length)
{
#ifdef AB_REPEAT_ENABLE
if (ab_repeat_mode_enabled())
ab_draw_markers(display, id3->length,
pb->x, y, pb->width, height);
#endif
if (id3->cuesheet)
cue_draw_markers(display, id3->cuesheet, id3->length,
pb->x, y+1, pb->width, height-2);
}
#if 0 /* disable for now CONFIG_TUNER */
else if (in_radio_screen() || (get_radio_status() != FMRADIO_OFF))
{
presets_draw_markers(display, pb->x, y, pb->width, height);
}
#endif
}
}
void draw_playlist_viewer_list(struct gui_wps *gwps, struct playlistviewer *viewer)
{
struct wps_state *state = gwps->state;
int lines = viewport_get_nb_lines(viewer->vp);
int line_height = font_get(viewer->vp->font)->height;
int cur_pos, max;
int start_item;
int i;
bool scroll = false;
struct wps_token *token;
int x, length, alignment = SKIN_TOKEN_ALIGN_LEFT;
struct mp3entry *pid3;
char buf[MAX_PATH*2], tempbuf[MAX_PATH];
const char *filename;
#if CONFIG_TUNER
if (current_screen() == GO_TO_FM)
{
cur_pos = radio_current_preset();
start_item = cur_pos + viewer->start_offset;
max = start_item+radio_preset_count();
}
else
#endif
{
cur_pos = playlist_get_display_index();
max = playlist_amount()+1;
start_item = MAX(0, cur_pos + viewer->start_offset);
}
gwps->display->set_viewport(viewer->vp);
for(i=start_item; (i-start_item)<lines && i<max; i++)
{
int line;
#if CONFIG_TUNER
if (current_screen() == GO_TO_FM)
{
pid3 = NULL;
line = TRACK_HAS_INFO;
filename = "";
}
else
#endif
{
filename = playlist_peek(i-cur_pos);
if (i == cur_pos)
{
pid3 = state->id3;
}
else if (i == cur_pos+1)
{
pid3 = state->nid3;
}
#if CONFIG_CODEC == SWCODEC
else if (i>cur_pos)
{
#ifdef HAVE_TC_RAMCACHE
if (tagcache_fill_tags(&viewer->tempid3, filename))
{
pid3 = &viewer->tempid3;
}
else
#endif
if (!audio_peek_track(&pid3, i-cur_pos))
pid3 = NULL;
}
#endif
else
{
pid3 = NULL;
}
line = pid3 ? TRACK_HAS_INFO : TRACK_HAS_NO_INFO;
}
unsigned int line_len = 0;
if (viewer->lines[line]->children_count == 0)
return;
struct skin_element *element = viewer->lines[line]->children[0];
buf[0] = '\0';
while (element && line_len < sizeof(buf))
{
const char *out = NULL;
if (element->type == TEXT)
{
line_len = strlcat(buf, (char*)element->data, sizeof(buf));
element = element->next;
continue;
}
if (element->type != TAG)
{
element = element->next;
continue;
}
if (element->tag->type == SKIN_TOKEN_SUBLINE_SCROLL)
scroll = true;
token = (struct wps_token*)element->data;
out = get_id3_token(token, pid3, tempbuf, sizeof(tempbuf), -1, NULL);
#if CONFIG_TUNER
if (!out)
out = get_radio_token(token, i-cur_pos,
tempbuf, sizeof(tempbuf), -1, NULL);
#endif
if (out)
{
line_len = strlcat(buf, out, sizeof(buf));
element = element->next;
continue;
}
switch (token->type)
{
case SKIN_TOKEN_ALIGN_CENTER:
case SKIN_TOKEN_ALIGN_LEFT:
case SKIN_TOKEN_ALIGN_LEFT_RTL:
case SKIN_TOKEN_ALIGN_RIGHT:
case SKIN_TOKEN_ALIGN_RIGHT_RTL:
alignment = token->type;
tempbuf[0] = '\0';
break;
case SKIN_TOKEN_PLAYLIST_POSITION:
snprintf(tempbuf, sizeof(tempbuf), "%d", i);
break;
case SKIN_TOKEN_FILE_NAME:
get_dir(tempbuf, sizeof(tempbuf), filename, 0);
break;
case SKIN_TOKEN_FILE_PATH:
snprintf(tempbuf, sizeof(tempbuf), "%s", filename);
break;
default:
tempbuf[0] = '\0';
break;
}
if (tempbuf[0])
{
line_len = strlcat(buf, tempbuf, sizeof(buf));
}
element = element->next;
}
int vpwidth = viewer->vp->width;
length = gwps->display->getstringsize(buf, NULL, NULL);
if (scroll && length >= vpwidth)
{
gwps->display->puts_scroll(0, (i-start_item), buf );
}
else
{
if (length >= vpwidth)
x = 0;
else
{
switch (alignment)
{
case SKIN_TOKEN_ALIGN_CENTER:
x = (vpwidth-length)/2;
break;
case SKIN_TOKEN_ALIGN_LEFT_RTL:
if (lang_is_rtl() && VP_IS_RTL(viewer->vp))
{
x = vpwidth - length;
break;
}
case SKIN_TOKEN_ALIGN_LEFT:
x = 0;
break;
case SKIN_TOKEN_ALIGN_RIGHT_RTL:
if (lang_is_rtl() && VP_IS_RTL(viewer->vp))
{
x = 0;
break;
}
case SKIN_TOKEN_ALIGN_RIGHT:
x = vpwidth - length;
break;
default:
x = 0;
break;
}
}
gwps->display->putsxy(x, (i-start_item)*line_height, buf );
}
}
}
/* clears the area where the image was shown */
void clear_image_pos(struct gui_wps *gwps, struct gui_img *img)
{
if(!gwps)
return;
gwps->display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
gwps->display->fillrect(img->x, img->y, img->bm.width, img->subimage_height);
gwps->display->set_drawmode(DRMODE_SOLID);
}
void wps_draw_image(struct gui_wps *gwps, struct gui_img *img, int subimage)
{
struct screen *display = gwps->display;
if(img->always_display)
display->set_drawmode(DRMODE_FG);
else
display->set_drawmode(DRMODE_SOLID);
#if LCD_DEPTH > 1
if(img->bm.format == FORMAT_MONO) {
#endif
display->mono_bitmap_part(img->bm.data,
0, img->subimage_height * subimage,
img->bm.width, img->x,
img->y, img->bm.width,
img->subimage_height);
#if LCD_DEPTH > 1
} else {
display->transparent_bitmap_part((fb_data *)img->bm.data,
0, img->subimage_height * subimage,
STRIDE(display->screen_type,
img->bm.width, img->bm.height),
img->x, img->y, img->bm.width,
img->subimage_height);
}
#endif
}
void wps_display_images(struct gui_wps *gwps, struct viewport* vp)
{
if(!gwps || !gwps->data || !gwps->display)
return;
struct wps_data *data = gwps->data;
struct screen *display = gwps->display;
struct skin_token_list *list = data->images;
while (list)
{
struct gui_img *img = (struct gui_img*)list->token->value.data;
if (img->loaded)
{
if (img->display >= 0)
{
wps_draw_image(gwps, img, img->display);
}
else if (img->always_display && img->vp == vp)
{
wps_draw_image(gwps, img, 0);
}
}
list = list->next;
}
#ifdef HAVE_ALBUMART
/* now draw the AA */
if (data->albumart && data->albumart->vp == vp
&& data->albumart->draw_handle >= 0)
{
draw_album_art(gwps, data->albumart->draw_handle, false);
data->albumart->draw_handle = -1;
}
#endif
display->set_drawmode(DRMODE_SOLID);
}
#else /* HAVE_LCD_CHARCELL */
bool draw_player_progress(struct gui_wps *gwps)
{
struct wps_state *state = gwps->state;
struct screen *display = gwps->display;
unsigned char progress_pattern[7];
int pos = 0;
int i;
int elapsed, length;
if (LIKELY(state->id3))
{
elapsed = state->id3->elapsed;
length = state->id3->length;
}
else
{
elapsed = 0;
length = 0;
}
if (length)
pos = 36 * (elapsed + state->ff_rewind_count) / length;
for (i = 0; i < 7; i++, pos -= 5)
{
if (pos <= 0)
progress_pattern[i] = 0x1fu;
else if (pos >= 5)
progress_pattern[i] = 0x00u;
else
progress_pattern[i] = 0x1fu >> pos;
}
display->define_pattern(gwps->data->wps_progress_pat[0], progress_pattern);
return true;
}
void draw_player_fullbar(struct gui_wps *gwps, char* buf, int buf_size)
{
static const unsigned char numbers[10][4] = {
{0x0e, 0x0a, 0x0a, 0x0e}, /* 0 */
{0x04, 0x0c, 0x04, 0x04}, /* 1 */
{0x0e, 0x02, 0x04, 0x0e}, /* 2 */
{0x0e, 0x02, 0x06, 0x0e}, /* 3 */
{0x08, 0x0c, 0x0e, 0x04}, /* 4 */
{0x0e, 0x0c, 0x02, 0x0c}, /* 5 */
{0x0e, 0x08, 0x0e, 0x0e}, /* 6 */
{0x0e, 0x02, 0x04, 0x08}, /* 7 */
{0x0e, 0x0e, 0x0a, 0x0e}, /* 8 */
{0x0e, 0x0e, 0x02, 0x0e}, /* 9 */
};
struct wps_state *state = gwps->state;
struct screen *display = gwps->display;
struct wps_data *data = gwps->data;
unsigned char progress_pattern[7];
char timestr[10];
int time;
int time_idx = 0;
int pos = 0;
int pat_idx = 1;
int digit, i, j;
bool softchar;
int elapsed, length;
if (LIKELY(state->id3))
{
elapsed = state->id3->elapsed;
length = state->id3->length;
}
else
{
elapsed = 0;
length = 0;
}
if (buf_size < 34) /* worst case: 11x UTF-8 char + \0 */
return;
time = elapsed + state->ff_rewind_count;
if (length)
pos = 55 * time / length;
memset(timestr, 0, sizeof(timestr));
format_time(timestr, sizeof(timestr)-2, time);
timestr[strlen(timestr)] = ':'; /* always safe */
for (i = 0; i < 11; i++, pos -= 5)
{
softchar = false;
memset(progress_pattern, 0, sizeof(progress_pattern));
if ((digit = timestr[time_idx]))
{
softchar = true;
digit -= '0';
if (timestr[time_idx + 1] == ':') /* ones, left aligned */
{
memcpy(progress_pattern, numbers[digit], 4);
time_idx += 2;
}
else /* tens, shifted right */
{
for (j = 0; j < 4; j++)
progress_pattern[j] = numbers[digit][j] >> 1;
if (time_idx > 0) /* not the first group, add colon in front */
{
progress_pattern[1] |= 0x10u;
progress_pattern[3] |= 0x10u;
}
time_idx++;
}
if (pos >= 5)
progress_pattern[5] = progress_pattern[6] = 0x1fu;
}
if (pos > 0 && pos < 5)
{
softchar = true;
progress_pattern[5] = progress_pattern[6] = (~0x1fu >> pos) & 0x1fu;
}
if (softchar && pat_idx < 8)
{
display->define_pattern(data->wps_progress_pat[pat_idx],
progress_pattern);
buf = utf8encode(data->wps_progress_pat[pat_idx], buf);
pat_idx++;
}
else if (pos <= 0)
buf = utf8encode(' ', buf);
else
buf = utf8encode(0xe115, buf); /* 2/7 _ */
}
*buf = '\0';
}
#endif /* HAVE_LCD_CHARCELL */
/* Evaluate the conditional that is at *token_index and return whether a skip
has ocurred. *token_index is updated with the new position.
*/
int evaluate_conditional(struct gui_wps *gwps, struct conditional *conditional, int num_options)
{
if (!gwps)
return false;
char result[128];
const char *value;
/* treat ?xx<true> constructs as if they had 2 options.
* (i.e ?xx<true|false>) */
if (num_options < 2)
num_options = 2;
int intval = num_options;
/* get_token_value needs to know the number of options in the enum */
value = get_token_value(gwps, conditional->token,
result, sizeof(result), &intval);
/* intval is now the number of the enum option we want to read,
starting from 1. If intval is -1, we check if value is empty. */
if (intval == -1)
intval = (value && *value) ? 1 : num_options;
else if (intval > num_options || intval < 1)
intval = num_options;
conditional->last_value = intval -1;
return intval -1;
}
/* Display a line appropriately according to its alignment format.
format_align contains the text, separated between left, center and right.
line is the index of the line on the screen.
scroll indicates whether the line is a scrolling one or not.
*/
void write_line(struct screen *display,
struct align_pos *format_align,
int line,
bool scroll)
{
int left_width = 0, left_xpos;
int center_width = 0, center_xpos;
int right_width = 0, right_xpos;
int ypos;
int space_width;
int string_height;
int scroll_width;
/* calculate different string sizes and positions */
display->getstringsize((unsigned char *)" ", &space_width, &string_height);
if (format_align->left != 0) {
display->getstringsize((unsigned char *)format_align->left,
&left_width, &string_height);
}
if (format_align->right != 0) {
display->getstringsize((unsigned char *)format_align->right,
&right_width, &string_height);
}
if (format_align->center != 0) {
display->getstringsize((unsigned char *)format_align->center,
&center_width, &string_height);
}
left_xpos = 0;
right_xpos = (display->getwidth() - right_width);
center_xpos = (display->getwidth() + left_xpos - center_width) / 2;
scroll_width = display->getwidth() - left_xpos;
/* Checks for overlapping strings.
If needed the overlapping strings will be merged, separated by a
space */
/* CASE 1: left and centered string overlap */
/* there is a left string, need to merge left and center */
if ((left_width != 0 && center_width != 0) &&
(left_xpos + left_width + space_width > center_xpos)) {
/* replace the former separator '\0' of left and
center string with a space */
*(--format_align->center) = ' ';
/* calculate the new width and position of the merged string */
left_width = left_width + space_width + center_width;
/* there is no centered string anymore */
center_width = 0;
}
/* there is no left string, move center to left */
if ((left_width == 0 && center_width != 0) &&
(left_xpos + left_width > center_xpos)) {
/* move the center string to the left string */
format_align->left = format_align->center;
/* calculate the new width and position of the string */
left_width = center_width;
/* there is no centered string anymore */
center_width = 0;
}
/* CASE 2: centered and right string overlap */
/* there is a right string, need to merge center and right */
if ((center_width != 0 && right_width != 0) &&
(center_xpos + center_width + space_width > right_xpos)) {
/* replace the former separator '\0' of center and
right string with a space */
*(--format_align->right) = ' ';
/* move the center string to the right after merge */
format_align->right = format_align->center;
/* calculate the new width and position of the merged string */
right_width = center_width + space_width + right_width;
right_xpos = (display->getwidth() - right_width);
/* there is no centered string anymore */
center_width = 0;
}
/* there is no right string, move center to right */
if ((center_width != 0 && right_width == 0) &&
(center_xpos + center_width > right_xpos)) {
/* move the center string to the right string */
format_align->right = format_align->center;
/* calculate the new width and position of the string */
right_width = center_width;
right_xpos = (display->getwidth() - right_width);
/* there is no centered string anymore */
center_width = 0;
}
/* CASE 3: left and right overlap
There is no center string anymore, either there never
was one or it has been merged in case 1 or 2 */
/* there is a left string, need to merge left and right */
if ((left_width != 0 && center_width == 0 && right_width != 0) &&
(left_xpos + left_width + space_width > right_xpos)) {
/* replace the former separator '\0' of left and
right string with a space */
*(--format_align->right) = ' ';
/* calculate the new width and position of the string */
left_width = left_width + space_width + right_width;
/* there is no right string anymore */
right_width = 0;
}
/* there is no left string, move right to left */
if ((left_width == 0 && center_width == 0 && right_width != 0) &&
(left_width > right_xpos)) {
/* move the right string to the left string */
format_align->left = format_align->right;
/* calculate the new width and position of the string */
left_width = right_width;
/* there is no right string anymore */
right_width = 0;
}
ypos = (line * string_height);
if (scroll && ((left_width > scroll_width) ||
(center_width > scroll_width) ||
(right_width > scroll_width)))
{
display->puts_scroll(0, line,
(unsigned char *)format_align->left);
}
else
{
#ifdef HAVE_LCD_BITMAP
/* clear the line first */
display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
display->fillrect(left_xpos, ypos, display->getwidth(), string_height);
display->set_drawmode(DRMODE_SOLID);
#endif
/* Nasty hack: we output an empty scrolling string,
which will reset the scroller for that line */
display->puts_scroll(0, line, (unsigned char *)"");
/* print aligned strings */
if (left_width != 0)
{
display->putsxy(left_xpos, ypos,
(unsigned char *)format_align->left);
}
if (center_width != 0)
{
display->putsxy(center_xpos, ypos,
(unsigned char *)format_align->center);
}
if (right_width != 0)
{
display->putsxy(right_xpos, ypos,
(unsigned char *)format_align->right);
}
}
}
#ifdef HAVE_LCD_BITMAP
void draw_peakmeters(struct gui_wps *gwps, int line_number,
struct viewport *viewport)
{
struct wps_data *data = gwps->data;
if (!data->peak_meter_enabled)
{
peak_meter_enable(false);
}
else
{
int h = font_get(viewport->font)->height;
int peak_meter_y = line_number * h;
/* The user might decide to have the peak meter in the last
line so that it is only displayed if no status bar is
visible. If so we neither want do draw nor enable the
peak meter. */
if (peak_meter_y + h <= viewport->y+viewport->height) {
peak_meter_enable(true);
peak_meter_screen(gwps->display, 0, peak_meter_y,
MIN(h, viewport->y+viewport->height - peak_meter_y));
}
}
}
bool skin_has_sbs(enum screen_type screen, struct wps_data *data)
{
(void)screen;
(void)data;
bool draw = false;
#ifdef HAVE_LCD_BITMAP
if (data->wps_sb_tag)
draw = data->show_sb_on_wps;
else if (statusbar_position(screen) != STATUSBAR_OFF)
draw = true;
#endif
return draw;
}
#endif
/* do the button loop as often as required for the peak meters to update
* with a good refresh rate.
* gwps is really gwps[NB_SCREENS]! don't wrap this if FOR_NB_SCREENS()
*/
int skin_wait_for_action(struct gui_wps *gwps, int context, int timeout)
{
(void)gwps; /* silence charcell warning */
int button = ACTION_NONE;
#ifdef HAVE_LCD_BITMAP
int i;
/* when the peak meter is enabled we want to have a
few extra updates to make it look smooth. On the
other hand we don't want to waste energy if it
isn't displayed */
bool pm=false;
FOR_NB_SCREENS(i)
{
if(gwps[i].data->peak_meter_enabled)
pm = true;
}
if (pm) {
long next_refresh = current_tick;
long next_big_refresh = current_tick + timeout;
button = BUTTON_NONE;
while (TIME_BEFORE(current_tick, next_big_refresh)) {
button = get_action(context,TIMEOUT_NOBLOCK);
if (button != ACTION_NONE) {
break;
}
peak_meter_peek();
sleep(0); /* Sleep until end of current tick. */
if (TIME_AFTER(current_tick, next_refresh)) {
FOR_NB_SCREENS(i)
{
if(gwps[i].data->peak_meter_enabled)
skin_update(&gwps[i], SKIN_REFRESH_PEAK_METER);
next_refresh += HZ / PEAK_METER_FPS;
}
}
}
}
/* The peak meter is disabled
-> no additional screen updates needed */
else
#endif
{
button = get_action(context, timeout);
}
return button;
}
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