282 lines
9.3 KiB
C
282 lines
9.3 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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* $Id$
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*
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* Copyright (C) 2011 by 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 "config.h"
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#include "system.h"
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#include "lcd.h"
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#include "font.h"
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#include "button.h"
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#include "string.h"
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#include "settings.h"
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#include "kernel.h"
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#include "file.h"
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#include "action.h"
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#include "screen_access.h"
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#include "list.h"
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#include "scrollbar.h"
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#include "lang.h"
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#include "sound.h"
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#include "misc.h"
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#include "viewport.h"
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#include "statusbar-skinned.h"
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#include "skin_engine/skin_engine.h"
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#include "skin_engine/skin_display.h"
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#include "appevents.h"
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static struct listitem_viewport_cfg *listcfg[NB_SCREENS] = {NULL};
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static struct gui_synclist *current_list;
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static int current_row;
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static int current_column;
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void skinlist_set_cfg(enum screen_type screen,
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struct listitem_viewport_cfg *cfg)
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{
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if (listcfg[screen] != cfg)
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{
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if (listcfg[screen])
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screens[screen].scroll_stop_viewport(&listcfg[screen]->selected_item_vp.vp);
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listcfg[screen] = cfg;
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current_list = NULL;
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current_column = -1;
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current_row = -1;
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}
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}
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static bool skinlist_is_configured(enum screen_type screen,
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struct gui_synclist *list)
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{
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return (listcfg[screen] != NULL) &&
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(!list || (list && list->selected_size == 1));
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}
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static int current_drawing_line;
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static int offset_to_item(int offset, bool wrap)
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{
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int item = current_drawing_line + offset;
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if (!current_list || current_list->nb_items == 0)
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return -1;
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if (item < 0)
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{
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if (!wrap)
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return -1;
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else
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item = (item + current_list->nb_items) % current_list->nb_items;
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}
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else if (item >= current_list->nb_items && !wrap)
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return -1;
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else
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item = item % current_list->nb_items;
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return item;
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}
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int skinlist_get_item_number()
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{
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return current_drawing_line;
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}
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int skinlist_get_item_row()
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{
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return current_row;
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}
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int skinlist_get_item_column()
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{
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return current_column;
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}
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const char* skinlist_get_item_text(int offset, bool wrap, char* buf, size_t buf_size)
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{
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int item = offset_to_item(offset, wrap);
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if (item < 0 || !current_list)
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return NULL;
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const char* ret = current_list->callback_get_item_name(
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item, current_list->data, buf, buf_size);
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return P2STR((unsigned char*)ret);
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}
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enum themable_icons skinlist_get_item_icon(int offset, bool wrap)
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{
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int item = offset_to_item(offset, wrap);
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if (item < 0 || !current_list || current_list->callback_get_item_icon == NULL)
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return Icon_NOICON;
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return current_list->callback_get_item_icon(item, current_list->data);
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}
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static bool is_selected = false;
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bool skinlist_is_selected_item(void)
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{
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return is_selected;
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}
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int skinlist_get_line_count(enum screen_type screen, struct gui_synclist *list)
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{
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struct viewport *parent = (list->parent[screen]);
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if (!skinlist_is_configured(screen, list))
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return -1;
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if (listcfg[screen]->tile == true)
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{
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int rows = (parent->height / listcfg[screen]->height);
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int cols = (parent->width / listcfg[screen]->width);
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return rows*cols;
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}
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else
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return (parent->height / listcfg[screen]->height);
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}
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static int current_item;
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static int current_nbitems;
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static bool needs_scrollbar[NB_SCREENS];
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bool skinlist_needs_scrollbar(enum screen_type screen)
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{
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return needs_scrollbar[screen];
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}
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void skinlist_get_scrollbar(int* nb_item, int* first_shown, int* last_shown)
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{
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if (!skinlist_is_configured(0, NULL))
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{
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*nb_item = 0;
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*first_shown = 0;
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*last_shown = 0;
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}
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else
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{
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*nb_item = current_item;
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*first_shown = 0;
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*last_shown = current_nbitems;
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}
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}
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bool skinlist_get_item(struct screen *display, struct gui_synclist *list, int x, int y, int *item)
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{
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const int screen = display->screen_type;
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if (!skinlist_is_configured(screen, list))
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return false;
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int row = y / listcfg[screen]->height;
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int column = x / listcfg[screen]->width;
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struct viewport *parent = (list->parent[screen]);
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int cols = (parent->width / listcfg[screen]->width);
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*item = row * cols+ column;
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return true;
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}
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bool skinlist_draw(struct screen *display, struct gui_synclist *list)
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{
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int cur_line, display_lines;
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const int screen = display->screen_type;
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struct viewport *parent = (list->parent[screen]);
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char* label = NULL;
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const int list_start_item = list->start_item[screen];
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struct gui_wps wps;
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if (!skinlist_is_configured(screen, list))
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return false;
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current_list = list;
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wps.display = display;
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wps.data = listcfg[screen]->data;
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display_lines = skinlist_get_line_count(screen, list);
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label = (char *)SKINOFFSETTOPTR(get_skin_buffer(wps.data), listcfg[screen]->label);
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display->set_viewport(parent);
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display->clear_viewport();
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current_item = list->selected_item;
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current_nbitems = list->nb_items;
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needs_scrollbar[screen] = list->nb_items > display_lines;
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for (cur_line = 0; cur_line < display_lines; cur_line++)
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{
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struct skin_element* viewport;
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struct skin_viewport* skin_viewport = NULL;
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if (list_start_item+cur_line+1 > list->nb_items)
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break;
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current_drawing_line = list_start_item+cur_line;
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is_selected = list->show_selection_marker &&
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list_start_item+cur_line == list->selected_item;
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for (viewport = SKINOFFSETTOPTR(get_skin_buffer(wps.data), listcfg[screen]->data->tree);
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viewport;
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viewport = SKINOFFSETTOPTR(get_skin_buffer(wps.data), viewport->next))
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{
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int original_x, original_y;
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skin_viewport = SKINOFFSETTOPTR(get_skin_buffer(wps.data), viewport->data);
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char *viewport_label = SKINOFFSETTOPTR(get_skin_buffer(wps.data), skin_viewport->label);
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if (viewport->children == 0 || !viewport_label ||
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(skin_viewport->label && strcmp(label, viewport_label))
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)
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continue;
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if (is_selected)
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{
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memcpy(&listcfg[screen]->selected_item_vp, skin_viewport, sizeof(struct skin_viewport));
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skin_viewport = &listcfg[screen]->selected_item_vp;
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}
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original_x = skin_viewport->vp.x;
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original_y = skin_viewport->vp.y;
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if (listcfg[screen]->tile)
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{
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int cols = (parent->width / listcfg[screen]->width);
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current_column = (cur_line)%cols;
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current_row = (cur_line)/cols;
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skin_viewport->vp.x = parent->x + listcfg[screen]->width*current_column + original_x;
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skin_viewport->vp.y = parent->y + listcfg[screen]->height*current_row + original_y;
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}
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else
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{
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current_column = 1;
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current_row = cur_line;
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skin_viewport->vp.x = parent->x + original_x;
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skin_viewport->vp.y = parent->y + original_y +
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(listcfg[screen]->height*cur_line);
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}
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display->set_viewport(&skin_viewport->vp);
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/* Set images to not to be displayed */
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struct skin_token_list *imglist = SKINOFFSETTOPTR(get_skin_buffer(wps.data), wps.data->images);
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while (imglist)
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{
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struct wps_token *token = SKINOFFSETTOPTR(get_skin_buffer(wps.data), imglist->token);
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struct gui_img *img = SKINOFFSETTOPTR(get_skin_buffer(wps.data), token->value.data);
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img->display = -1;
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imglist = SKINOFFSETTOPTR(get_skin_buffer(wps.data), imglist->next);
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}
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struct skin_element** children = SKINOFFSETTOPTR(get_skin_buffer(wps.data), viewport->children);
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skin_render_viewport(SKINOFFSETTOPTR(get_skin_buffer(wps.data), (intptr_t)children[0]),
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&wps, skin_viewport, SKIN_REFRESH_ALL);
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wps_display_images(&wps, &skin_viewport->vp);
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/* force disableing scroll because it breaks later */
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if (!is_selected)
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{
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display->scroll_stop_viewport(&skin_viewport->vp);
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skin_viewport->vp.x = original_x;
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skin_viewport->vp.y = original_y;
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}
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}
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}
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current_column = -1;
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current_row = -1;
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display->set_viewport(parent);
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display->update_viewport();
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current_drawing_line = list->selected_item;
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return true;
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}
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