rockbox/apps/gui/skin_engine/skin_render.c
Aidan MacDonald 830436a282 skin engine: Remove viewport_colour viewport field
Yet again, no need to store the viewport because we already know
it -- and this time the render code is obviously relying on that
assumption.

Change-Id: Id5eb7cd9999fbe1efccd54bd8f0fd3c8a3011c8e
2022-11-23 10:06:16 -05:00

994 lines
36 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: skin_parser.c 26752 2010-06-10 21:22:16Z bieber $
*
* Copyright (C) 2010 Jonathan Gordon
*
* 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include <ctype.h>
#include "strlcat.h"
#include "config.h"
#include "core_alloc.h"
#include "kernel.h"
#include "appevents.h"
#ifdef HAVE_ALBUMART
#include "albumart.h"
#endif
#include "settings.h"
#include "skin_display.h"
#include "skin_engine.h"
#include "skin_parser.h"
#include "tag_table.h"
#include "skin_scan.h"
#if CONFIG_TUNER
#include "radio.h"
#endif
#include "viewport.h"
#include "cuesheet.h"
#include "language.h"
#include "playback.h"
#include "playlist.h"
#include "root_menu.h"
#include "misc.h"
#include "list.h"
#include "wps.h"
#define MAX_LINE 1024
struct skin_draw_info {
struct gui_wps *gwps;
struct skin_viewport *skin_vp;
int line_number;
unsigned long refresh_type;
struct line_desc line_desc;
char* cur_align_start;
struct align_pos align;
bool no_line_break;
bool line_scrolls;
bool force_redraw;
char *buf;
size_t buf_size;
int offset; /* used by the playlist viewer */
};
extern void sb_set_info_vp(enum screen_type screen, OFFSETTYPE(char*) label);
typedef bool (*skin_render_func)(struct skin_element* alternator, struct skin_draw_info *info);
bool skin_render_alternator(struct skin_element* alternator, struct skin_draw_info *info);
static void skin_render_playlistviewer(struct playlistviewer* viewer,
struct gui_wps *gwps,
struct skin_viewport* skin_viewport,
unsigned long refresh_type);
static char* skin_buffer;
static inline struct skin_element*
get_child(OFFSETTYPE(struct skin_element**) children, int child)
{
OFFSETTYPE(struct skin_element*) *kids = SKINOFFSETTOPTR(skin_buffer, children);
return SKINOFFSETTOPTR(skin_buffer, kids[child]);
}
static bool do_non_text_tags(struct gui_wps *gwps, struct skin_draw_info *info,
struct skin_element *element)
{
struct wps_token *token = (struct wps_token *)SKINOFFSETTOPTR(skin_buffer, element->data);
if (!token) return false;
struct skin_viewport *skin_vp = info->skin_vp;
struct wps_data *data = gwps->data;
bool do_refresh = (element->tag->flags & info->refresh_type) > 0;
switch (token->type)
{
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
case SKIN_TOKEN_VIEWPORT_FGCOLOUR:
{
struct viewport_colour *col = SKINOFFSETTOPTR(skin_buffer, token->value.data);
if (!col) return false;
skin_vp->vp.fg_pattern = col->colour;
skin_vp->fgbg_changed = true;
}
break;
case SKIN_TOKEN_VIEWPORT_BGCOLOUR:
{
struct viewport_colour *col = SKINOFFSETTOPTR(skin_buffer, token->value.data);
if (!col) return false;
skin_vp->vp.bg_pattern = col->colour;
skin_vp->fgbg_changed = true;
}
break;
case SKIN_TOKEN_VIEWPORT_TEXTSTYLE:
{
struct line_desc *data = SKINOFFSETTOPTR(skin_buffer, token->value.data);
struct line_desc *linedes = &info->line_desc;
if (!data || !linedes) return false;
/* gradient colors are handled with a separate tag
* (SKIN_TOKEN_VIEWPORT_GRADIENT_SETUP, see below). since it may
* come before the text style tag color fields need to be preserved */
if (data->style & STYLE_GRADIENT)
{
unsigned tc = linedes->text_color,
lc = linedes->line_color,
lec = linedes->line_end_color;
*linedes = *data;
linedes->text_color = tc;
linedes->line_color = lc;
linedes->line_end_color = lec;
}
else
*linedes = *data;
}
break;
#endif
#ifdef HAVE_LCD_COLOR
case SKIN_TOKEN_VIEWPORT_GRADIENT_SETUP:
{
struct gradient_config *cfg = SKINOFFSETTOPTR(skin_buffer, token->value.data);
struct line_desc *linedes = &info->line_desc;
if (!cfg || !linedes) return false;
linedes->text_color = cfg->text;
linedes->line_color = cfg->start;
linedes->line_end_color = cfg->end;
}
break;
#endif
case SKIN_TOKEN_VIEWPORT_ENABLE:
{
char *label = SKINOFFSETTOPTR(skin_buffer, token->value.data);
char temp = VP_DRAW_HIDEABLE;
struct skin_element *viewport = SKINOFFSETTOPTR(skin_buffer, gwps->data->tree);
while (viewport)
{
struct skin_viewport *skinvp = SKINOFFSETTOPTR(skin_buffer, viewport->data);
if (skinvp) {
char *vplabel = SKINOFFSETTOPTR(skin_buffer, skinvp->label);
if (skinvp->label == VP_DEFAULT_LABEL)
vplabel = VP_DEFAULT_LABEL_STRING;
if (vplabel && !skinvp->is_infovp &&
!strcmp(vplabel, label))
{
if (skinvp->hidden_flags&VP_DRAW_HIDDEN)
{
temp |= VP_DRAW_WASHIDDEN;
}
skinvp->hidden_flags = temp;
}
}
viewport = SKINOFFSETTOPTR(skin_buffer, viewport->next);
}
}
break;
case SKIN_TOKEN_LIST_ITEM_CFG:
skinlist_set_cfg(gwps->display->screen_type,
SKINOFFSETTOPTR(skin_buffer, token->value.data));
break;
case SKIN_TOKEN_UIVIEWPORT_ENABLE:
sb_set_info_vp(gwps->display->screen_type, token->value.data);
break;
case SKIN_TOKEN_PEAKMETER:
data->peak_meter_enabled = true;
if (do_refresh)
draw_peakmeters(gwps, info->line_number, &skin_vp->vp);
break;
case SKIN_TOKEN_DRAWRECTANGLE:
if (do_refresh)
{
struct draw_rectangle *rect =
SKINOFFSETTOPTR(skin_buffer, token->value.data);
if (!rect) break;
#ifdef HAVE_LCD_COLOR
if (rect->start_colour != rect->end_colour &&
gwps->display->screen_type == SCREEN_MAIN)
{
gwps->display->gradient_fillrect(rect->x, rect->y, rect->width,
rect->height, rect->start_colour, rect->end_colour);
}
else
#endif
{
#if LCD_DEPTH > 1
unsigned backup = skin_vp->vp.fg_pattern;
skin_vp->vp.fg_pattern = rect->start_colour;
#endif
gwps->display->fillrect(rect->x, rect->y, rect->width,
rect->height);
#if LCD_DEPTH > 1
skin_vp->vp.fg_pattern = backup;
#endif
}
}
break;
case SKIN_TOKEN_PEAKMETER_LEFTBAR:
case SKIN_TOKEN_PEAKMETER_RIGHTBAR:
data->peak_meter_enabled = true;
/* fall through to the progressbar code */
case SKIN_TOKEN_VOLUMEBAR:
case SKIN_TOKEN_BATTERY_PERCENTBAR:
case SKIN_TOKEN_SETTINGBAR:
case SKIN_TOKEN_PROGRESSBAR:
case SKIN_TOKEN_TUNER_RSSI_BAR:
case SKIN_TOKEN_LIST_SCROLLBAR:
{
struct progressbar *bar = (struct progressbar*)SKINOFFSETTOPTR(skin_buffer, token->value.data);
if (do_refresh)
draw_progressbar(gwps, info->skin_vp, info->line_number, bar);
}
break;
case SKIN_TOKEN_IMAGE_DISPLAY:
{
struct gui_img *img = SKINOFFSETTOPTR(skin_buffer, token->value.data);
if (img && img->loaded && do_refresh)
img->display = 0;
}
break;
case SKIN_TOKEN_IMAGE_DISPLAY_LISTICON:
case SKIN_TOKEN_IMAGE_PRELOAD_DISPLAY:
case SKIN_TOKEN_IMAGE_DISPLAY_9SEGMENT:
{
struct image_display *id = SKINOFFSETTOPTR(skin_buffer, token->value.data);
if (!id) break;
const char* label = SKINOFFSETTOPTR(skin_buffer, id->label);
struct gui_img *img = skin_find_item(label,SKIN_FIND_IMAGE, data);
if (img && img->loaded)
{
if (SKINOFFSETTOPTR(skin_buffer, id->token) == NULL)
{
img->display = id->subimage;
}
else
{
char buf[16];
const char *out;
int a = img->num_subimages;
out = get_token_value(gwps, SKINOFFSETTOPTR(skin_buffer, id->token),
info->offset, buf, sizeof(buf), &a);
/* NOTE: get_token_value() returns values starting at 1! */
if (a == -1)
a = (out && *out) ? 1 : 2;
if (token->type == SKIN_TOKEN_IMAGE_DISPLAY_LISTICON)
a -= 2; /* 2 is added in statusbar-skinned.c! */
else
a--;
a += id->offset;
/* Clear the image, as in conditionals */
clear_image_pos(gwps, img);
/* If the token returned a value which is higher than
* the amount of subimages, don't draw it. */
if (a >= 0 && a < img->num_subimages)
{
img->display = a;
}
}
}
break;
}
#ifdef HAVE_ALBUMART
case SKIN_TOKEN_ALBUMART_DISPLAY:
{
struct skin_albumart *aa = SKINOFFSETTOPTR(skin_buffer, data->albumart);
/* now draw the AA */
if (do_refresh && aa)
{
int handle = playback_current_aa_hid(data->playback_aa_slot);
#if CONFIG_TUNER
if (in_radio_screen() || (get_radio_status() != FMRADIO_OFF))
{
struct dim dim = {aa->width, aa->height};
handle = radio_get_art_hid(&dim);
}
#endif
aa->draw_handle = handle;
}
break;
}
#endif
case SKIN_TOKEN_DRAW_INBUILTBAR:
gui_statusbar_draw(&(statusbars.statusbars[gwps->display->screen_type]),
info->refresh_type == SKIN_REFRESH_ALL,
SKINOFFSETTOPTR(skin_buffer, token->value.data));
break;
case SKIN_TOKEN_VIEWPORT_CUSTOMLIST:
if (do_refresh)
skin_render_playlistviewer(SKINOFFSETTOPTR(skin_buffer, token->value.data), gwps,
info->skin_vp, info->refresh_type);
break;
#ifdef HAVE_SKIN_VARIABLES
case SKIN_TOKEN_VAR_SET:
{
struct skin_var_changer *data = SKINOFFSETTOPTR(skin_buffer, token->value.data);
struct skin_var *var = SKINOFFSETTOPTR(skin_buffer, data->var);
if (data->direct)
var->value = data->newval;
else
{
var->value += data->newval;
if (data->max)
{
if (var->value > data->max)
var->value = 1;
else if (var->value < 1)
var->value = data->max;
}
}
if (var->value < 1)
var->value = 1;
var->last_changed = current_tick;
}
break;
#endif
default:
return false;
}
return true;
}
static void do_tags_in_hidden_conditional(struct skin_element* branch,
struct skin_draw_info *info)
{
struct gui_wps *gwps = info->gwps;
struct wps_data *data = gwps->data;
/* Tags here are ones which need to be "turned off" or cleared
* if they are in a conditional branch which isnt being used */
if (branch->type == LINE_ALTERNATOR)
{
int i;
for (i=0; i<branch->children_count; i++)
{
do_tags_in_hidden_conditional(get_child(branch->children, i), info);
}
}
else if (branch->type == LINE && branch->children_count)
{
struct skin_element *child = get_child(branch->children, 0);
struct wps_token *token;
while (child)
{
if (child->type == CONDITIONAL)
{
int i;
for (i=0; i<child->children_count; i++)
{
do_tags_in_hidden_conditional(get_child(child->children, i), info);
}
goto skip;
}
else if (child->type != TAG || !SKINOFFSETTOPTR(skin_buffer, child->data))
{
goto skip;
}
token = (struct wps_token *)SKINOFFSETTOPTR(skin_buffer, child->data);
/* clear all pictures in the conditional and nested ones */
if (token->type == SKIN_TOKEN_IMAGE_PRELOAD_DISPLAY)
{
struct image_display *id = SKINOFFSETTOPTR(skin_buffer, token->value.data);
if (!id) goto skip;
struct gui_img *img = skin_find_item(SKINOFFSETTOPTR(skin_buffer, id->label),
SKIN_FIND_IMAGE, data);
clear_image_pos(gwps, img);
}
else if (token->type == SKIN_TOKEN_PEAKMETER)
{
data->peak_meter_enabled = false;
}
else if (token->type == SKIN_TOKEN_VIEWPORT_ENABLE)
{
char *label = SKINOFFSETTOPTR(skin_buffer, token->value.data);
struct skin_element *viewport;
for (viewport = SKINOFFSETTOPTR(skin_buffer, data->tree);
viewport;
viewport = SKINOFFSETTOPTR(skin_buffer, viewport->next))
{
struct skin_viewport *skin_viewport = SKINOFFSETTOPTR(skin_buffer, viewport->data);
if (!skin_viewport) continue;
char *vplabel = SKINOFFSETTOPTR(skin_buffer, skin_viewport->label);
if (skin_viewport->label == VP_DEFAULT_LABEL)
vplabel = VP_DEFAULT_LABEL_STRING;
if (vplabel && strcmp(vplabel, label))
continue;
if (skin_viewport->hidden_flags&VP_NEVER_VISIBLE)
{
continue;
}
if (skin_viewport->hidden_flags&VP_DRAW_HIDEABLE)
{
if (skin_viewport->hidden_flags&VP_DRAW_HIDDEN)
skin_viewport->hidden_flags |= VP_DRAW_WASHIDDEN;
else
{
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
if (skin_viewport->output_to_backdrop_buffer)
{
skin_backdrop_set_buffer(data->backdrop_id, skin_viewport);
skin_backdrop_show(-1);
gwps->display->set_viewport_ex(&skin_viewport->vp, VP_FLAG_VP_SET_CLEAN);
gwps->display->clear_viewport();
gwps->display->set_viewport_ex(&info->skin_vp->vp, VP_FLAG_VP_SET_CLEAN);
skin_backdrop_set_buffer(-1, skin_viewport);
skin_backdrop_show(data->backdrop_id);
}
else
#endif
{
gwps->display->set_viewport_ex(&skin_viewport->vp, VP_FLAG_VP_SET_CLEAN);
gwps->display->clear_viewport();
gwps->display->set_viewport_ex(&info->skin_vp->vp, VP_FLAG_VP_SET_CLEAN);
}
skin_viewport->hidden_flags |= VP_DRAW_HIDDEN;
}
}
}
}
#ifdef HAVE_ALBUMART
else if (data->albumart && token->type == SKIN_TOKEN_ALBUMART_DISPLAY)
{
draw_album_art(gwps,
playback_current_aa_hid(data->playback_aa_slot), true);
}
#endif
skip:
child = SKINOFFSETTOPTR(skin_buffer, child->next);
}
}
}
static void fix_line_alignment(struct skin_draw_info *info, struct skin_element *element)
{
struct align_pos *align = &info->align;
char *cur_pos = info->cur_align_start + strlen(info->cur_align_start);
char *next_pos = cur_pos + 1;
switch (element->tag->type)
{
case SKIN_TOKEN_ALIGN_LEFT:
align->left = next_pos;
info->cur_align_start = next_pos;
break;
case SKIN_TOKEN_ALIGN_LEFT_RTL:
if (UNLIKELY(lang_is_rtl()))
align->right = next_pos;
else
align->left = next_pos;
info->cur_align_start = next_pos;
break;
case SKIN_TOKEN_ALIGN_CENTER:
align->center = next_pos;
info->cur_align_start = next_pos;
break;
case SKIN_TOKEN_ALIGN_RIGHT:
align->right = next_pos;
info->cur_align_start = next_pos;
break;
case SKIN_TOKEN_ALIGN_RIGHT_RTL:
if (UNLIKELY(lang_is_rtl()))
align->left = next_pos;
else
align->right = next_pos;
info->cur_align_start = next_pos;
break;
default:
return;
}
*cur_pos = '\0';
*next_pos = '\0';
}
/* Draw a LINE element onto the display */
static bool skin_render_line(struct skin_element* line, struct skin_draw_info *info)
{
bool needs_update = false;
int last_value, value;
if (line->children_count == 0)
return false; /* empty line, do nothing */
struct skin_element *child = get_child(line->children, 0);
struct conditional *conditional;
skin_render_func func = skin_render_line;
int old_refresh_mode = info->refresh_type;
while (child)
{
switch (child->type)
{
case CONDITIONAL:
conditional = SKINOFFSETTOPTR(skin_buffer, child->data);
if (!conditional) break;
last_value = conditional->last_value;
value = evaluate_conditional(info->gwps, info->offset,
conditional, child->children_count);
conditional->last_value = value;
if (child->children_count == 1)
{
/* special handling so
* %?aa<true> and %?<true|false> need special handlng here */
if (value == -1) /* tag is false */
{
/* we are in a false branch of a %?aa<true> conditional */
if (last_value == 0)
do_tags_in_hidden_conditional(get_child(child->children, 0), info);
break;
}
}
else
{
if (last_value >= 0 && value != last_value && last_value < child->children_count)
do_tags_in_hidden_conditional(get_child(child->children, last_value), info);
}
if (get_child(child->children, value)->type == LINE_ALTERNATOR)
{
func = skin_render_alternator;
}
else if (get_child(child->children, value)->type == LINE)
func = skin_render_line;
if (value != last_value)
{
info->refresh_type = SKIN_REFRESH_ALL;
info->force_redraw = true;
}
if (func(get_child(child->children, value), info))
needs_update = true;
else
needs_update = needs_update || (last_value != value);
info->refresh_type = old_refresh_mode;
break;
case TAG:
if (child->tag->flags & NOBREAK)
info->no_line_break = true;
if (child->tag->type == SKIN_TOKEN_SUBLINE_SCROLL)
info->line_scrolls = true;
fix_line_alignment(info, child);
if (!SKINOFFSETTOPTR(skin_buffer, child->data))
{
break;
}
if (!do_non_text_tags(info->gwps, info, child))
{
static char tempbuf[128];
const char *valuestr = get_token_value(info->gwps, SKINOFFSETTOPTR(skin_buffer, child->data),
info->offset, tempbuf,
sizeof(tempbuf), NULL);
if (valuestr)
{
#if CONFIG_RTC
if (child->tag->flags&SKIN_RTC_REFRESH)
needs_update = needs_update || info->refresh_type&SKIN_REFRESH_DYNAMIC;
#endif
needs_update = needs_update ||
((child->tag->flags&info->refresh_type)!=0);
strlcat(info->cur_align_start, valuestr,
info->buf_size - (info->cur_align_start-info->buf));
}
}
break;
case TEXT:
strlcat(info->cur_align_start, SKINOFFSETTOPTR(skin_buffer, child->data),
info->buf_size - (info->cur_align_start-info->buf));
needs_update = needs_update ||
(info->refresh_type&SKIN_REFRESH_STATIC) != 0;
break;
case COMMENT:
default:
break;
}
child = SKINOFFSETTOPTR(skin_buffer, child->next);
}
return needs_update;
}
static int get_subline_timeout(struct gui_wps *gwps, struct skin_element* line)
{
struct skin_element *element=line;
struct wps_token *token;
int retval = DEFAULT_SUBLINE_TIME_MULTIPLIER*TIMEOUT_UNIT;
if (element->type == LINE)
{
if (element->children_count == 0)
return retval; /* empty line, so force redraw */
element = get_child(element->children, 0);
}
while (element)
{
if (element->type == TAG &&
element->tag->type == SKIN_TOKEN_SUBLINE_TIMEOUT )
{
token = SKINOFFSETTOPTR(skin_buffer, element->data);
if (token)
return token->value.i;
}
else if (element->type == CONDITIONAL)
{
struct conditional *conditional = SKINOFFSETTOPTR(skin_buffer, element->data);
int val = evaluate_conditional(gwps, 0, conditional,
element->children_count);
if (val >= 0)
{
retval = get_subline_timeout(gwps, get_child(element->children, val));
if (retval >= 0)
return retval;
}
}
element = SKINOFFSETTOPTR(skin_buffer, element->next);
}
return retval;
}
bool skin_render_alternator(struct skin_element* element, struct skin_draw_info *info)
{
bool changed_lines = false;
struct line_alternator *alternator = SKINOFFSETTOPTR(skin_buffer, element->data);
unsigned old_refresh = info->refresh_type;
if (info->refresh_type == SKIN_REFRESH_ALL)
{
alternator->current_line = element->children_count-1;
changed_lines = true;
}
else if (TIME_AFTER(current_tick, alternator->next_change_tick))
{
changed_lines = true;
}
if (changed_lines)
{
struct skin_element *current_line;
int start = alternator->current_line;
int try_line = start;
bool suitable = false;
int rettimeout = DEFAULT_SUBLINE_TIME_MULTIPLIER*TIMEOUT_UNIT;
/* find a subline which has at least one token in it,
* and that line doesnt have a timeout set to 0 through conditionals */
do {
try_line++;
if (try_line >= element->children_count)
try_line = 0;
if (get_child(element->children, try_line)->children_count != 0)
{
current_line = get_child(element->children, try_line);
rettimeout = get_subline_timeout(info->gwps,
get_child(current_line->children, 0));
if (rettimeout > 0)
{
suitable = true;
}
}
}
while (try_line != start && !suitable);
if (suitable)
{
alternator->current_line = try_line;
alternator->next_change_tick = current_tick + rettimeout;
}
info->refresh_type = SKIN_REFRESH_ALL;
info->force_redraw = true;
}
bool ret = skin_render_line(get_child(element->children, alternator->current_line), info);
info->refresh_type = old_refresh;
return changed_lines || ret;
}
void skin_render_viewport(struct skin_element* viewport, struct gui_wps *gwps,
struct skin_viewport* skin_viewport, unsigned long refresh_type)
{
struct screen *display = gwps->display;
char linebuf[MAX_LINE];
skin_render_func func = skin_render_line;
struct skin_element* line = viewport;
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,
.offset = 0,
.line_desc = LINE_DESC_DEFINIT,
};
struct align_pos * align = &info.align;
bool needs_update, update_all = false;
skin_buffer = get_skin_buffer(gwps->data);
/* Set images to not to be displayed */
struct skin_token_list *imglist = SKINOFFSETTOPTR(skin_buffer, gwps->data->images);
while (imglist)
{
struct wps_token *token = SKINOFFSETTOPTR(skin_buffer, imglist->token);
if (token) {
struct gui_img *img = (struct gui_img *)SKINOFFSETTOPTR(skin_buffer, token->value.data);
if (img)
img->display = -1;
}
imglist = SKINOFFSETTOPTR(skin_buffer, imglist->next);
}
/* fix font ID's */
if (skin_viewport->parsed_fontid == 1)
skin_viewport->vp.font = display->getuifont();
while (line)
{
linebuf[0] = '\0';
info.no_line_break = false;
info.line_scrolls = false;
info.force_redraw = false;
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
skin_viewport->fgbg_changed = false;
#ifdef HAVE_LCD_COLOR
if (info.line_desc.style&STYLE_GRADIENT)
{
if (++info.line_desc.line > info.line_desc.nlines)
info.line_desc.style = STYLE_DEFAULT;
}
#endif
#endif
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);
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
if (skin_viewport->fgbg_changed)
{
/* if fg/bg changed due to a conditional tag the colors
* need to be set (2bit displays requires set_{fore,back}ground
* for this. the rest of the viewport needs to be redrawn
* to get the new colors */
display->set_foreground(skin_viewport->vp.fg_pattern);
display->set_background(skin_viewport->vp.bg_pattern);
if (needs_update)
update_all = true;
}
#endif
/* only update if the line needs to be, and there is something to write */
if (refresh_type && (needs_update || update_all))
{
if (info.force_redraw)
display->scroll_stop_viewport_rect(&skin_viewport->vp,
0, info.line_number*display->getcharheight(),
skin_viewport->vp.width, display->getcharheight());
write_line(display, align, info.line_number,
info.line_scrolls, &info.line_desc);
}
if (!info.no_line_break)
info.line_number++;
line = SKINOFFSETTOPTR(skin_buffer, line->next);
}
wps_display_images(gwps, &skin_viewport->vp);
}
void skin_render(struct gui_wps *gwps, unsigned refresh_mode)
{
const int vp_is_appearing = (VP_DRAW_WASHIDDEN|VP_DRAW_HIDEABLE);
struct wps_data *data = gwps->data;
struct screen *display = gwps->display;
struct skin_element* viewport;
struct skin_viewport* skin_viewport;
char *label;
int old_refresh_mode = refresh_mode;
skin_buffer = get_skin_buffer(gwps->data);
/* Framebuffer is likely dirty */
if ((refresh_mode&SKIN_REFRESH_ALL) == SKIN_REFRESH_ALL)
{
/* should already be the default buffer */
struct viewport * first_vp = display->set_viewport_ex(NULL, 0);
if ((first_vp->flags & VP_FLAG_VP_SET_CLEAN) == VP_FLAG_VP_DIRTY &&
get_current_activity() == ACTIVITY_WPS) /* only clear if in WPS */
{
display->clear_viewport();
}
}
viewport = SKINOFFSETTOPTR(skin_buffer, data->tree);
if (!viewport) return;
skin_viewport = SKINOFFSETTOPTR(skin_buffer, viewport->data);
if (!skin_viewport) return;
label = SKINOFFSETTOPTR(skin_buffer, skin_viewport->label);
if (skin_viewport->label == VP_DEFAULT_LABEL)
label = VP_DEFAULT_LABEL_STRING;
if (label && SKINOFFSETTOPTR(skin_buffer, viewport->next) &&
!strcmp(label,VP_DEFAULT_LABEL_STRING))
refresh_mode = 0;
for (viewport = SKINOFFSETTOPTR(skin_buffer, data->tree);
viewport;
viewport = SKINOFFSETTOPTR(skin_buffer, viewport->next))
{
/* SETUP */
skin_viewport = SKINOFFSETTOPTR(skin_buffer, viewport->data);
if (!skin_viewport) continue;
unsigned vp_refresh_mode = refresh_mode;
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1)
if (skin_viewport->output_to_backdrop_buffer)
{
skin_backdrop_set_buffer(data->backdrop_id, skin_viewport);
skin_backdrop_show(-1);
}
else
{
skin_backdrop_set_buffer(-1, skin_viewport);
skin_backdrop_show(data->backdrop_id);
}
#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_is_appearing) == vp_is_appearing)
{
vp_refresh_mode = SKIN_REFRESH_ALL;
skin_viewport->hidden_flags = VP_DRAW_HIDEABLE;
}
display->set_viewport_ex(&skin_viewport->vp, VP_FLAG_VP_SET_CLEAN);
if ((vp_refresh_mode&SKIN_REFRESH_ALL) == SKIN_REFRESH_ALL)
{
display->clear_viewport();
}
/* render */
if (viewport->children_count)
skin_render_viewport(get_child(viewport->children, 0), gwps,
skin_viewport, vp_refresh_mode);
refresh_mode = old_refresh_mode;
}
#if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
skin_backdrop_set_buffer(-1, skin_viewport);
skin_backdrop_show(data->backdrop_id);
#endif
if (((refresh_mode&SKIN_REFRESH_ALL) == SKIN_REFRESH_ALL))
{
/* If this is the UI viewport then let the UI know
* to redraw itself */
send_event(GUI_EVENT_NEED_UI_UPDATE, NULL);
}
/* Restore the default viewport */
display->set_viewport_ex(NULL, VP_FLAG_VP_SET_CLEAN);
display->update();
}
static __attribute__((noinline))
void skin_render_playlistviewer(struct playlistviewer* viewer,
struct gui_wps *gwps,
struct skin_viewport* skin_viewport,
unsigned long refresh_type)
{
struct screen *display = gwps->display;
char linebuf[MAX_LINE];
skin_render_func func = skin_render_line;
struct skin_element* line;
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,
.offset = viewer->start_offset,
.line_desc = LINE_DESC_DEFINIT,
};
struct align_pos * align = &info.align;
bool needs_update;
int cur_pos, start_item, max;
int nb_lines = viewport_get_nb_lines(&skin_viewport->vp);
#if CONFIG_TUNER
if (get_current_activity() == ACTIVITY_FM)
{
cur_pos = radio_current_preset();
start_item = cur_pos + viewer->start_offset;
max = start_item+radio_preset_count();
}
else
#endif
{
struct wps_state *state = get_wps_state();
struct cuesheet *cue = state->id3 ? state->id3->cuesheet : NULL;
cur_pos = playlist_get_display_index();
max = playlist_amount()+1;
if (cue)
max += cue->track_count;
start_item = MAX(0, cur_pos + viewer->start_offset);
}
if (max-start_item > nb_lines)
max = start_item + nb_lines;
line = SKINOFFSETTOPTR(skin_buffer, viewer->line);
while (start_item < max)
{
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)
{
struct viewport *vp = &skin_viewport->vp;
if (!info.force_redraw)
display->scroll_stop_viewport_rect(vp,
0, info.line_number*display->getcharheight(),
vp->width, display->getcharheight());
write_line(display, align, info.line_number,
info.line_scrolls, &info.line_desc);
}
info.line_number++;
info.offset++;
start_item++;
}
}