f3a6d2476a
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27719 a1c6a512-1295-4272-9138-f99709370657
642 lines
22 KiB
C
642 lines
22 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id: skin_parser.c 26752 2010-06-10 21:22:16Z bieber $
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*
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* Copyright (C) 2010 Jonathan Gordon
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdbool.h>
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#include <ctype.h>
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#include "strlcat.h"
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#include "config.h"
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#include "kernel.h"
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#ifdef HAVE_ALBUMART
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#include "albumart.h"
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#endif
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#include "skin_display.h"
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#include "skin_engine.h"
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#include "skin_parser.h"
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#include "tag_table.h"
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#include "skin_scan.h"
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#if CONFIG_TUNER
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#include "radio.h"
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#endif
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#include "language.h"
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#include "playback.h"
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#define MAX_LINE 1024
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struct skin_draw_info {
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struct gui_wps *gwps;
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struct skin_viewport *skin_vp;
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int line_number;
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unsigned long refresh_type;
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char* cur_align_start;
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struct align_pos align;
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bool no_line_break;
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bool line_scrolls;
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bool force_redraw;
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char *buf;
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size_t buf_size;
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};
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typedef bool (*skin_render_func)(struct skin_element* alternator, struct skin_draw_info *info);
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bool skin_render_alternator(struct skin_element* alternator, struct skin_draw_info *info);
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static bool do_non_text_tags(struct gui_wps *gwps, struct skin_draw_info *info,
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struct skin_element *element, struct viewport* vp)
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{
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#ifndef HAVE_LCD_BITMAP
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(void)vp; /* silence warnings */
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#endif
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struct wps_token *token = (struct wps_token *)element->data;
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struct wps_data *data = gwps->data;
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bool do_refresh = (element->tag->flags & info->refresh_type) > 0;
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switch (token->type)
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{
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#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
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case SKIN_TOKEN_VIEWPORT_FGCOLOUR:
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{
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struct viewport_colour *col = token->value.data;
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col->vp->fg_pattern = col->colour;
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}
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break;
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case SKIN_TOKEN_VIEWPORT_BGCOLOUR:
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{
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struct viewport_colour *col = token->value.data;
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col->vp->bg_pattern = col->colour;
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}
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break;
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#endif
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case SKIN_TOKEN_VIEWPORT_ENABLE:
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{
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char *label = token->value.data;
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char temp = VP_DRAW_HIDEABLE;
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struct skin_element *viewport = gwps->data->tree;
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while (viewport)
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{
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struct skin_viewport *skinvp = (struct skin_viewport*)viewport->data;
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if (skinvp->label && !skinvp->is_infovp &&
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!strcmp(skinvp->label, label))
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{
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if (skinvp->hidden_flags&VP_DRAW_HIDDEN)
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{
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temp |= VP_DRAW_WASHIDDEN;
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}
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skinvp->hidden_flags = temp;
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}
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viewport = viewport->next;
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}
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}
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break;
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#ifdef HAVE_LCD_BITMAP
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case SKIN_TOKEN_UIVIEWPORT_ENABLE:
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sb_set_info_vp(gwps->display->screen_type,
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token->value.data);
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break;
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case SKIN_TOKEN_PEAKMETER:
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data->peak_meter_enabled = true;
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if (do_refresh)
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draw_peakmeters(gwps, info->line_number, vp);
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break;
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#endif
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case SKIN_TOKEN_VOLUMEBAR:
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case SKIN_TOKEN_BATTERY_PERCENTBAR:
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case SKIN_TOKEN_PROGRESSBAR:
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{
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#ifdef HAVE_LCD_BITMAP
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struct progressbar *bar = (struct progressbar*)token->value.data;
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if (do_refresh)
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draw_progressbar(gwps, info->line_number, bar);
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#else /* HAVE_LCD_CHARCELL */
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if (do_refresh)
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{
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if (data->full_line_progressbar)
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draw_player_fullbar(gwps, info->buf, info->buf_size);
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else
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draw_player_progress(gwps);
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}
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#endif
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}
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break;
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#ifdef HAVE_LCD_BITMAP
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case SKIN_TOKEN_IMAGE_PRELOAD_DISPLAY:
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{
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struct image_display *id = token->value.data;
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char n = id->label;
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struct gui_img *img = find_image(n, data);
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if (img && img->loaded)
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{
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if (id->token == NULL)
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{
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img->display = id->subimage;
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}
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else
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{
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char buf[16];
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const char *out;
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int a = TOKEN_VALUE_ONLY;
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out = get_token_value(gwps, id->token, buf, sizeof(buf), &a);
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/* NOTE: get_token_value() returns values starting at 1! */
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if (a == -1)
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a = (out && *out) ? 1 : 2;
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a--;
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a += id->offset;
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/* If the token returned a value which is higher than
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* the amount of subimages clear the image. */
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if (a<0 || a >= img->num_subimages)
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{
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clear_image_pos(gwps, img);
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}
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else
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img->display = a;
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}
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}
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break;
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}
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#ifdef HAVE_ALBUMART
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case SKIN_TOKEN_ALBUMART_DISPLAY:
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/* now draw the AA */
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if (do_refresh && data->albumart)
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{
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int handle = playback_current_aa_hid(data->playback_aa_slot);
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#if CONFIG_TUNER
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if (in_radio_screen() || (get_radio_status() != FMRADIO_OFF))
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{
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struct dim dim = {data->albumart->width, data->albumart->height};
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handle = radio_get_art_hid(&dim);
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}
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#endif
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data->albumart->draw_handle = handle;
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}
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break;
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#endif
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case SKIN_TOKEN_DRAW_INBUILTBAR:
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gui_statusbar_draw(&(statusbars.statusbars[gwps->display->screen_type]),
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info->refresh_type == SKIN_REFRESH_ALL,
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token->value.data);
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break;
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case SKIN_TOKEN_VIEWPORT_CUSTOMLIST:
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if (do_refresh)
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draw_playlist_viewer_list(gwps, token->value.data);
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break;
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#endif /* HAVE_LCD_BITMAP */
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default:
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return false;
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}
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return true;
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}
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static void do_tags_in_hidden_conditional(struct skin_element* branch,
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struct skin_draw_info *info)
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{
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#ifdef HAVE_LCD_BITMAP
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struct gui_wps *gwps = info->gwps;
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struct wps_data *data = gwps->data;
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#endif
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/* Tags here are ones which need to be "turned off" or cleared
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* if they are in a conditional branch which isnt being used */
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if (branch->type == LINE_ALTERNATOR)
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{
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int i;
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for (i=0; i<branch->children_count; i++)
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{
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do_tags_in_hidden_conditional(branch->children[i], info);
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}
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}
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else if (branch->type == LINE && branch->children_count)
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{
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struct skin_element *child = branch->children[0];
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struct wps_token *token;
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while (child)
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{
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if (child->type == CONDITIONAL)
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{
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int i;
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for (i=0; i<child->children_count; i++)
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{
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do_tags_in_hidden_conditional(child->children[i], info);
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}
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child = child->next;
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continue;
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}
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else if (child->type != TAG || !child->data)
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{
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child = child->next;
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continue;
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}
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token = (struct wps_token *)child->data;
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#ifdef HAVE_LCD_BITMAP
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/* clear all pictures in the conditional and nested ones */
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if (token->type == SKIN_TOKEN_IMAGE_PRELOAD_DISPLAY)
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{
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struct image_display *id = token->value.data;
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struct gui_img *img = find_image(id->label, data);
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clear_image_pos(gwps, img);
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}
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else if (token->type == SKIN_TOKEN_PEAKMETER)
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{
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data->peak_meter_enabled = false;
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}
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else if (token->type == SKIN_TOKEN_VIEWPORT_ENABLE)
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{
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char *label = token->value.data;
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struct skin_element *viewport;
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for (viewport = data->tree;
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viewport;
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viewport = viewport->next)
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{
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struct skin_viewport *skin_viewport = (struct skin_viewport*)viewport->data;
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if (skin_viewport->label && strcmp(skin_viewport->label, label))
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continue;
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if (skin_viewport->hidden_flags&VP_NEVER_VISIBLE)
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{
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continue;
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}
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if (skin_viewport->hidden_flags&VP_DRAW_HIDEABLE)
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{
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if (skin_viewport->hidden_flags&VP_DRAW_HIDDEN)
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skin_viewport->hidden_flags |= VP_DRAW_WASHIDDEN;
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else
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{
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gwps->display->set_viewport(&skin_viewport->vp);
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gwps->display->clear_viewport();
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gwps->display->scroll_stop(&skin_viewport->vp);
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gwps->display->set_viewport(&info->skin_vp->vp);
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skin_viewport->hidden_flags |= VP_DRAW_HIDDEN;
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}
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}
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}
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}
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#endif
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#ifdef HAVE_ALBUMART
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else if (data->albumart && token->type == SKIN_TOKEN_ALBUMART_DISPLAY)
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{
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draw_album_art(gwps,
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playback_current_aa_hid(data->playback_aa_slot), true);
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}
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#endif
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child = child->next;
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}
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}
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}
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static void fix_line_alignment(struct skin_draw_info *info, struct skin_element *element)
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{
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struct align_pos *align = &info->align;
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char *cur_pos = info->cur_align_start + strlen(info->cur_align_start);
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switch (element->tag->type)
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{
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case SKIN_TOKEN_ALIGN_LEFT:
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*cur_pos = '\0'; cur_pos++; *cur_pos = '\0';
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align->left = cur_pos;
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info->cur_align_start = cur_pos;
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break;
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case SKIN_TOKEN_ALIGN_LEFT_RTL:
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*cur_pos = '\0'; cur_pos++; *cur_pos = '\0';
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if (lang_is_rtl())
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align->right = cur_pos;
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else
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align->left = cur_pos;
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info->cur_align_start = cur_pos;
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break;
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case SKIN_TOKEN_ALIGN_CENTER:
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*cur_pos = '\0'; cur_pos++; *cur_pos = '\0';
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align->center = cur_pos;
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info->cur_align_start = cur_pos;
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break;
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case SKIN_TOKEN_ALIGN_RIGHT:
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*cur_pos = '\0'; cur_pos++; *cur_pos = '\0';
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align->right = cur_pos;
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info->cur_align_start = cur_pos;
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break;
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case SKIN_TOKEN_ALIGN_RIGHT_RTL:
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*cur_pos = '\0'; cur_pos++; *cur_pos = '\0';
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if (lang_is_rtl())
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align->left = cur_pos;
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else
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align->right = cur_pos;
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info->cur_align_start = cur_pos;
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break;
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default:
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break;
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}
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}
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/* Draw a LINE element onto the display */
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static bool skin_render_line(struct skin_element* line, struct skin_draw_info *info)
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{
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bool needs_update = false;
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int last_value, value;
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if (line->children_count == 0)
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return false; /* empty line, do nothing */
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struct skin_element *child = line->children[0];
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struct conditional *conditional;
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skin_render_func func = skin_render_line;
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char tempbuf[128];
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int old_refresh_mode = info->refresh_type;
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while (child)
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{
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tempbuf[0] = '\0';
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switch (child->type)
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{
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case CONDITIONAL:
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conditional = (struct conditional*)child->data;
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last_value = conditional->last_value;
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value = evaluate_conditional(info->gwps, conditional, child->children_count);
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if (value != 1 && value >= child->children_count)
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value = child->children_count-1;
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if (child->children_count == 1)
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{
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/* special handling so
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* %?aa<true> and %?<true|false> need special handlng here */
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if (value == 1) /* tag is false */
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{
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/* we are in a false branch of a %?aa<true> conditional */
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if (last_value == 0)
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do_tags_in_hidden_conditional(child->children[0], info);
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break;
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}
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value = 0;
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}
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else
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{
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if (last_value >= 0 && value != last_value && last_value < child->children_count)
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do_tags_in_hidden_conditional(child->children[last_value], info);
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}
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if (child->children[value]->type == LINE_ALTERNATOR)
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{
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func = skin_render_alternator;
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}
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else if (child->children[value]->type == LINE)
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func = skin_render_line;
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if (value != last_value)
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{
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info->refresh_type = SKIN_REFRESH_ALL;
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info->force_redraw = true;
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}
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if (func(child->children[value], info))
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needs_update = true;
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else
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needs_update = needs_update || (last_value != value);
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info->refresh_type = old_refresh_mode;
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break;
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case TAG:
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if (child->tag->flags & NOBREAK)
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info->no_line_break = true;
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if (child->tag->type == SKIN_TOKEN_SUBLINE_SCROLL)
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info->line_scrolls = true;
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fix_line_alignment(info, child);
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if (!child->data)
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{
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break;
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}
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if (!do_non_text_tags(info->gwps, info, child, &info->skin_vp->vp))
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{
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const char *value = get_token_value(info->gwps, child->data,
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tempbuf, sizeof(tempbuf), NULL);
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if (value)
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{
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needs_update = needs_update ||
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((child->tag->flags&info->refresh_type)!=0);
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strlcat(info->cur_align_start, value,
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info->buf_size - (info->cur_align_start-info->buf));
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}
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}
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break;
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case TEXT:
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strlcat(info->cur_align_start, child->data,
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info->buf_size - (info->cur_align_start-info->buf));
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needs_update = needs_update ||
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(info->refresh_type&SKIN_REFRESH_STATIC) != 0;
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break;
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case COMMENT:
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default:
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break;
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}
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child = child->next;
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}
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return needs_update;
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}
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bool skin_render_alternator(struct skin_element* element, struct skin_draw_info *info)
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{
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bool changed_lines = false;
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struct line_alternator *alternator = (struct line_alternator*)element->data;
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unsigned old_refresh = info->refresh_type;
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if (info->refresh_type == SKIN_REFRESH_ALL)
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{
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alternator->current_line = 0;
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alternator->last_change_tick = current_tick;
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changed_lines = true;
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}
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else
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{
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struct skin_element *current_line = element->children[alternator->current_line];
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struct line *line = (struct line *)current_line->data;
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int next_change = alternator->last_change_tick + line->timeout;
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if (TIME_AFTER(current_tick, next_change))
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{
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alternator->current_line++;
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if (alternator->current_line >= element->children_count)
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alternator->current_line = 0;
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alternator->last_change_tick = current_tick;
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changed_lines = true;
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}
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}
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if (element->children[alternator->current_line]->children_count == 0)
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{
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/* skip empty sublines */
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alternator->current_line++;
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if (alternator->current_line >= element->children_count)
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alternator->current_line = 0;
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changed_lines = true;
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}
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if (changed_lines)
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{
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info->refresh_type = SKIN_REFRESH_ALL;
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info->force_redraw = true;
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}
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bool ret = skin_render_line(element->children[alternator->current_line], info);
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info->refresh_type = old_refresh;
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return changed_lines || ret;
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}
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static void skin_render_viewport(struct skin_element* viewport, struct gui_wps *gwps,
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struct skin_viewport* skin_viewport, unsigned long refresh_type)
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{
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struct screen *display = gwps->display;
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char linebuf[MAX_LINE];
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skin_render_func func = skin_render_line;
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struct skin_element* line = viewport;
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struct skin_draw_info info = {
|
|
.gwps = gwps,
|
|
.buf = linebuf,
|
|
.buf_size = sizeof(linebuf),
|
|
.line_number = 0,
|
|
.no_line_break = false,
|
|
.line_scrolls = false,
|
|
.refresh_type = refresh_type,
|
|
.skin_vp = skin_viewport
|
|
};
|
|
|
|
struct align_pos * align = &info.align;
|
|
bool needs_update;
|
|
#ifdef HAVE_LCD_BITMAP
|
|
/* Set images to not to be displayed */
|
|
struct skin_token_list *imglist = gwps->data->images;
|
|
while (imglist)
|
|
{
|
|
struct gui_img *img = (struct gui_img *)imglist->token->value.data;
|
|
img->display = -1;
|
|
imglist = imglist->next;
|
|
}
|
|
#endif
|
|
|
|
while (line)
|
|
{
|
|
linebuf[0] = '\0';
|
|
info.no_line_break = false;
|
|
info.line_scrolls = false;
|
|
info.force_redraw = false;
|
|
|
|
info.cur_align_start = info.buf;
|
|
align->left = info.buf;
|
|
align->center = NULL;
|
|
align->right = NULL;
|
|
|
|
|
|
if (line->type == LINE_ALTERNATOR)
|
|
func = skin_render_alternator;
|
|
else if (line->type == LINE)
|
|
func = skin_render_line;
|
|
|
|
needs_update = func(line, &info);
|
|
|
|
/* only update if the line needs to be, and there is something to write */
|
|
if (refresh_type && needs_update)
|
|
{
|
|
if (info.line_scrolls)
|
|
{
|
|
/* if the line is a scrolling one we don't want to update
|
|
too often, so that it has the time to scroll */
|
|
if ((refresh_type & SKIN_REFRESH_SCROLL) || info.force_redraw)
|
|
write_line(display, align, info.line_number, true);
|
|
}
|
|
else
|
|
write_line(display, align, info.line_number, false);
|
|
}
|
|
if (!info.no_line_break)
|
|
info.line_number++;
|
|
line = line->next;
|
|
}
|
|
#ifdef HAVE_LCD_BITMAP
|
|
wps_display_images(gwps, &skin_viewport->vp);
|
|
#endif
|
|
}
|
|
|
|
void skin_render(struct gui_wps *gwps, unsigned refresh_mode)
|
|
{
|
|
struct wps_data *data = gwps->data;
|
|
struct screen *display = gwps->display;
|
|
|
|
struct skin_element* viewport = data->tree;
|
|
struct skin_viewport* skin_viewport;
|
|
|
|
int old_refresh_mode = refresh_mode;
|
|
|
|
#ifdef HAVE_LCD_CHARCELLS
|
|
int i;
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
if (data->wps_progress_pat[i] == 0)
|
|
data->wps_progress_pat[i] = display->get_locked_pattern();
|
|
}
|
|
#endif
|
|
viewport = data->tree;
|
|
skin_viewport = (struct skin_viewport *)viewport->data;
|
|
if (skin_viewport->label && viewport->next &&
|
|
!strcmp(skin_viewport->label,VP_DEFAULT_LABEL))
|
|
refresh_mode = 0;
|
|
|
|
for (viewport = data->tree;
|
|
viewport;
|
|
viewport = viewport->next)
|
|
{
|
|
/* SETUP */
|
|
skin_viewport = (struct skin_viewport*)viewport->data;
|
|
unsigned vp_refresh_mode = refresh_mode;
|
|
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1)
|
|
skin_viewport->vp.fg_pattern = skin_viewport->start_fgcolour;
|
|
skin_viewport->vp.bg_pattern = skin_viewport->start_bgcolour;
|
|
#endif
|
|
|
|
/* dont redraw the viewport if its disabled */
|
|
if (skin_viewport->hidden_flags&VP_NEVER_VISIBLE)
|
|
{ /* don't draw anything into this one */
|
|
vp_refresh_mode = 0;
|
|
}
|
|
else if ((skin_viewport->hidden_flags&VP_DRAW_HIDDEN))
|
|
{
|
|
skin_viewport->hidden_flags |= VP_DRAW_WASHIDDEN;
|
|
continue;
|
|
}
|
|
else if (((skin_viewport->hidden_flags&
|
|
(VP_DRAW_WASHIDDEN|VP_DRAW_HIDEABLE))
|
|
== (VP_DRAW_WASHIDDEN|VP_DRAW_HIDEABLE)))
|
|
{
|
|
vp_refresh_mode = SKIN_REFRESH_ALL;
|
|
skin_viewport->hidden_flags = VP_DRAW_HIDEABLE;
|
|
}
|
|
|
|
display->set_viewport(&skin_viewport->vp);
|
|
if ((vp_refresh_mode&SKIN_REFRESH_ALL) == SKIN_REFRESH_ALL)
|
|
{
|
|
display->clear_viewport();
|
|
}
|
|
/* render */
|
|
skin_render_viewport(viewport->children[0], gwps,
|
|
skin_viewport, vp_refresh_mode);
|
|
refresh_mode = old_refresh_mode;
|
|
}
|
|
|
|
/* Restore the default viewport */
|
|
display->set_viewport(NULL);
|
|
display->update();
|
|
}
|