| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2005 by Kevin Ferrare |
| * |
| * All files in this archive are subject to the GNU General Public License. |
| * See the file COPYING in the source tree root for full license agreement. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| |
| #include "config.h" |
| #include "lcd.h" |
| #include "font.h" |
| #include "button.h" |
| #include "sprintf.h" |
| #include "string.h" |
| #include "settings.h" |
| #include "kernel.h" |
| |
| #include "action.h" |
| #include "screen_access.h" |
| #include "list.h" |
| #include "scrollbar.h" |
| #include "statusbar.h" |
| #include "textarea.h" |
| #include "lang.h" |
| #include "sound.h" |
| |
| #ifdef HAVE_LCD_CHARCELLS |
| #define SCROLL_LIMIT 1 |
| #else |
| #define SCROLL_LIMIT 2 |
| #endif |
| |
| /* The minimum number of pending button events in queue before starting |
| * to limit list drawing interval. |
| */ |
| #define FRAMEDROP_TRIGGER 6 |
| |
| #ifdef HAVE_LCD_BITMAP |
| static int offset_step = 16; /* pixels per screen scroll step */ |
| /* should lines scroll out of the screen */ |
| static bool offset_out_of_view = false; |
| #endif |
| static struct gui_list* last_list_displayed[NB_SCREENS]; |
| |
| #define SHOW_LIST_TITLE ((gui_list->title != NULL) && \ |
| (gui_list->display->nb_lines > 2)) |
| |
| static void gui_list_put_selection_in_screen(struct gui_list * gui_list, |
| bool put_from_end); |
| |
| |
| /* |
| * Initializes a scrolling list |
| * - gui_list : the list structure to initialize |
| * - callback_get_item_icon : pointer to a function that associates an icon |
| * to a given item number |
| * - callback_get_item_name : pointer to a function that associates a label |
| * to a given item number |
| * - data : extra data passed to the list callback |
| */ |
| static void gui_list_init(struct gui_list * gui_list, |
| list_get_name callback_get_item_name, |
| void * data, |
| bool scroll_all, |
| int selected_size |
| ) |
| { |
| gui_list->callback_get_item_icon = NULL; |
| gui_list->callback_get_item_name = callback_get_item_name; |
| gui_list->display = NULL; |
| gui_list_set_nb_items(gui_list, 0); |
| gui_list->selected_item = 0; |
| gui_list->start_item = 0; |
| gui_list->limit_scroll = false; |
| gui_list->data=data; |
| gui_list->cursor_flash_state=false; |
| #ifdef HAVE_LCD_BITMAP |
| gui_list->offset_position = 0; |
| #endif |
| gui_list->scroll_all=scroll_all; |
| gui_list->selected_size=selected_size; |
| gui_list->title = NULL; |
| gui_list->title_width = 0; |
| gui_list->title_icon = NOICON; |
| |
| gui_list->last_displayed_selected_item = -1 ; |
| gui_list->last_displayed_start_item = -1 ; |
| } |
| |
| /* |
| * Attach the scrolling list to a screen |
| * (The previous screen attachement is lost) |
| * - gui_list : the list structure |
| * - display : the screen to attach |
| */ |
| static void gui_list_set_display(struct gui_list * gui_list, struct screen * display) |
| { |
| if(gui_list->display != 0) /* we switched from a previous display */ |
| gui_list->display->stop_scroll(); |
| gui_list->display = display; |
| #ifdef HAVE_LCD_CHARCELLS |
| display->double_height(false); |
| #endif |
| gui_list_put_selection_in_screen(gui_list, false); |
| } |
| |
| /* |
| * One call on 2, the selected lune will either blink the cursor or |
| * invert/display normal the selected line |
| * - gui_list : the list structure |
| */ |
| static void gui_list_flash(struct gui_list * gui_list) |
| { |
| struct screen * display=gui_list->display; |
| gui_list->cursor_flash_state=!gui_list->cursor_flash_state; |
| int selected_line=gui_list->selected_item-gui_list->start_item; |
| #ifdef HAVE_LCD_BITMAP |
| int line_ypos=display->getymargin()+display->char_height*selected_line; |
| if (global_settings.invert_cursor) |
| { |
| int line_xpos=display->getxmargin(); |
| display->set_drawmode(DRMODE_COMPLEMENT); |
| display->fillrect(line_xpos, line_ypos, display->width, |
| display->char_height); |
| display->set_drawmode(DRMODE_SOLID); |
| display->invertscroll(0, selected_line); |
| } |
| else |
| { |
| int cursor_xpos=(global_settings.scrollbar && |
| display->nb_lines < gui_list->nb_items)?1:0; |
| screen_put_cursorxy(display, cursor_xpos, selected_line, |
| gui_list->cursor_flash_state); |
| } |
| display->update_rect(0, line_ypos,display->width, |
| display->char_height); |
| #else |
| screen_put_cursorxy(display, 0, selected_line, |
| gui_list->cursor_flash_state); |
| gui_textarea_update(display); |
| #endif |
| } |
| |
| /* |
| * Puts the selection in the screen |
| * - gui_list : the list structure |
| * - put_from_end : if true, selection will be put as close from |
| * the end of the list as possible, else, it's |
| * from the beginning |
| */ |
| static void gui_list_put_selection_in_screen(struct gui_list * gui_list, |
| bool put_from_end) |
| { |
| #ifdef HAVE_LCD_BITMAP |
| gui_list->display->setfont(FONT_UI); |
| #endif |
| gui_textarea_update_nblines(gui_list->display); |
| int nb_lines=gui_list->display->nb_lines; |
| if (SHOW_LIST_TITLE) |
| nb_lines--; |
| if(put_from_end) |
| { |
| int list_end = gui_list->selected_item + SCROLL_LIMIT; |
| |
| if(list_end-1 == gui_list->nb_items) |
| list_end--; |
| if(list_end > gui_list->nb_items) |
| list_end = nb_lines; |
| gui_list->start_item = list_end - nb_lines; |
| } |
| else |
| { |
| int list_start = gui_list->selected_item - SCROLL_LIMIT + 1; |
| if(list_start + nb_lines > gui_list->nb_items) |
| list_start = gui_list->nb_items - nb_lines; |
| gui_list->start_item = list_start; |
| } |
| if(gui_list->start_item < 0) |
| gui_list->start_item = 0; |
| } |
| |
| #ifdef HAVE_LCD_BITMAP |
| static int gui_list_get_item_offset(struct gui_list * gui_list, int item_width, |
| int text_pos) |
| { |
| struct screen * display=gui_list->display; |
| int item_offset; |
| |
| if (offset_out_of_view) |
| { |
| item_offset = gui_list->offset_position; |
| } |
| else |
| { |
| /* if text is smaller then view */ |
| if (item_width <= display->width - text_pos) |
| { |
| item_offset = 0; |
| } |
| else |
| { |
| /* if text got out of view */ |
| if (gui_list->offset_position > |
| item_width - (display->width - text_pos)) |
| item_offset = item_width - (display->width - text_pos); |
| else |
| item_offset = gui_list->offset_position; |
| } |
| } |
| |
| return item_offset; |
| } |
| #endif |
| |
| /* |
| * Draws the list on the attached screen |
| * - gui_list : the list structure |
| */ |
| static void gui_list_draw_smart(struct gui_list *gui_list) |
| { |
| struct screen * display=gui_list->display; |
| int cursor_pos = 0; |
| int icon_pos = 1; |
| int text_pos; |
| bool draw_icons = (gui_list->callback_get_item_icon != NULL && global_settings.show_icons); |
| bool draw_cursor; |
| int i; |
| int lines; |
| #ifdef HAVE_LCD_BITMAP |
| int item_offset; |
| int old_margin = display->getxmargin(); |
| #endif |
| int start, end; |
| bool partial_draw = false; |
| |
| /* Speed up UI by drawing the changed contents only. */ |
| if (gui_list == last_list_displayed[gui_list->display->screen_type] |
| && gui_list->last_displayed_start_item == gui_list->start_item |
| && gui_list->selected_size == 1) |
| { |
| partial_draw = true; |
| } |
| |
| if (SHOW_LIST_TITLE) |
| lines = display->nb_lines - 1; |
| else |
| lines = display->nb_lines; |
| |
| if (partial_draw) |
| { |
| end = gui_list->last_displayed_selected_item - gui_list->start_item; |
| i = gui_list->selected_item - gui_list->start_item; |
| if (i < end ) |
| { |
| start = i; |
| end++; |
| } |
| else |
| { |
| start = end; |
| end = i + 1; |
| } |
| } |
| else |
| { |
| gui_textarea_clear(display); |
| start = 0; |
| end = display->nb_lines; |
| gui_list->last_displayed_start_item = gui_list->start_item; |
| last_list_displayed[gui_list->display->screen_type] = gui_list; |
| } |
| |
| gui_list->last_displayed_selected_item = gui_list->selected_item; |
| |
| /* position and draw the list title & icon */ |
| if (SHOW_LIST_TITLE && !partial_draw) |
| { |
| if (gui_list->title_icon != NOICON && draw_icons) |
| { |
| screen_put_iconxy(display, 0, 0, gui_list->title_icon); |
| #ifdef HAVE_LCD_BITMAP |
| text_pos = 8; /* pixels */ |
| #else |
| text_pos = 1; /* chars */ |
| #endif |
| } |
| else |
| { |
| text_pos = 0; |
| } |
| |
| #ifdef HAVE_LCD_BITMAP |
| screen_set_xmargin(display, text_pos); /* margin for title */ |
| item_offset = gui_list_get_item_offset(gui_list, gui_list->title_width, |
| text_pos); |
| if (item_offset > gui_list->title_width - (display->width - text_pos)) |
| display->puts_offset(0, 0, gui_list->title, item_offset); |
| else |
| display->puts_scroll_offset(0, 0, gui_list->title, item_offset); |
| #else |
| display->puts_scroll(text_pos, 0, gui_list->title); |
| #endif |
| } |
| |
| /* Adjust the position of icon, cursor, text for the list */ |
| #ifdef HAVE_LCD_BITMAP |
| display->setfont(FONT_UI); |
| gui_textarea_update_nblines(display); |
| bool draw_scrollbar; |
| |
| draw_scrollbar = (global_settings.scrollbar && |
| lines < gui_list->nb_items); |
| |
| draw_cursor = !global_settings.invert_cursor; |
| text_pos = 0; /* here it's in pixels */ |
| if(draw_scrollbar || SHOW_LIST_TITLE) /* indent if there's |
| a title */ |
| { |
| cursor_pos++; |
| icon_pos++; |
| text_pos += SCROLLBAR_WIDTH; |
| } |
| if(!draw_cursor) |
| icon_pos--; |
| else |
| text_pos += CURSOR_WIDTH; |
| |
| if(draw_icons) |
| text_pos += 8; |
| #else |
| draw_cursor = true; |
| if(draw_icons) |
| text_pos = 2; /* here it's in chars */ |
| else |
| text_pos = 1; |
| #endif |
| |
| #ifdef HAVE_LCD_BITMAP |
| screen_set_xmargin(display, text_pos); /* margin for list */ |
| #endif |
| |
| if (SHOW_LIST_TITLE) |
| { |
| start++; |
| if (end < display->nb_lines) |
| end++; |
| } |
| |
| for (i = start; i < end; i++) |
| { |
| unsigned char *s; |
| char entry_buffer[MAX_PATH]; |
| unsigned char *entry_name; |
| int current_item = gui_list->start_item + |
| (SHOW_LIST_TITLE ? i-1 : i); |
| |
| /* When there are less items to display than the |
| * current available space on the screen, we stop*/ |
| if(current_item >= gui_list->nb_items) |
| break; |
| s = gui_list->callback_get_item_name(current_item, |
| gui_list->data, |
| entry_buffer); |
| entry_name = P2STR(s); |
| |
| #ifdef HAVE_LCD_BITMAP |
| /* position the string at the correct offset place */ |
| int item_width,h; |
| display->getstringsize(entry_name, &item_width, &h); |
| item_offset = gui_list_get_item_offset(gui_list, item_width, text_pos); |
| #endif |
| |
| if(current_item >= gui_list->selected_item && |
| current_item < gui_list->selected_item + gui_list->selected_size) |
| {/* The selected item must be displayed scrolling */ |
| #ifdef HAVE_LCD_BITMAP |
| if (global_settings.invert_cursor)/* Display inverted-line-style*/ |
| { |
| /* if text got out of view */ |
| if (item_offset > item_width - (display->width - text_pos)) |
| { |
| /* don't scroll */ |
| display->puts_style_offset(0, i, entry_name, |
| STYLE_INVERT,item_offset); |
| } |
| else |
| { |
| display->puts_scroll_style_offset(0, i, entry_name, |
| STYLE_INVERT, |
| item_offset); |
| } |
| } |
| else /* if (!global_settings.invert_cursor) */ |
| { |
| if (item_offset > item_width - (display->width - text_pos)) |
| display->puts_offset(0, i, entry_name,item_offset); |
| else |
| display->puts_scroll_offset(0, i, entry_name,item_offset); |
| } |
| #else |
| display->puts_scroll(text_pos, i, entry_name); |
| #endif |
| |
| if (draw_cursor) |
| screen_put_cursorxy(display, cursor_pos, i, true); |
| } |
| else |
| {/* normal item */ |
| if(gui_list->scroll_all) |
| { |
| #ifdef HAVE_LCD_BITMAP |
| display->puts_scroll_offset(0, i, entry_name,item_offset); |
| #else |
| display->puts_scroll(text_pos, i, entry_name); |
| #endif |
| } |
| else |
| { |
| #ifdef HAVE_LCD_BITMAP |
| display->puts_offset(0, i, entry_name,item_offset); |
| #else |
| display->puts(text_pos, i, entry_name); |
| #endif |
| } |
| } |
| /* Icons display */ |
| if(draw_icons) |
| { |
| ICON icon; |
| gui_list->callback_get_item_icon(current_item, |
| gui_list->data, |
| &icon); |
| if(icon) |
| screen_put_iconxy(display, icon_pos, i, icon); |
| } |
| } |
| |
| #ifdef HAVE_LCD_BITMAP |
| /* Draw the scrollbar if needed*/ |
| if(draw_scrollbar) |
| { |
| int y_start = gui_textarea_get_ystart(display); |
| if (SHOW_LIST_TITLE) |
| y_start += display->char_height; |
| int scrollbar_y_end = display->char_height * |
| lines + y_start; |
| gui_scrollbar_draw(display, 0, y_start, SCROLLBAR_WIDTH-1, |
| scrollbar_y_end - y_start, gui_list->nb_items, |
| gui_list->start_item, |
| gui_list->start_item + lines, VERTICAL); |
| } |
| |
| screen_set_xmargin(display, old_margin); |
| #endif |
| |
| gui_textarea_update(display); |
| } |
| |
| /* |
| * Force a full screen update. |
| */ |
| static void gui_list_draw(struct gui_list *gui_list) |
| { |
| last_list_displayed[gui_list->display->screen_type] = NULL; |
| return gui_list_draw_smart(gui_list); |
| } |
| |
| /* |
| * Selects an item in the list |
| * - gui_list : the list structure |
| * - item_number : the number of the item which will be selected |
| */ |
| static void gui_list_select_item(struct gui_list * gui_list, int item_number) |
| { |
| if( item_number > gui_list->nb_items-1 || item_number < 0 ) |
| return; |
| gui_list->selected_item = item_number; |
| gui_list_put_selection_in_screen(gui_list, false); |
| } |
| |
| static void scroll_down(struct gui_list *gui_list, bool paginate) |
| { |
| int nb_lines = gui_list->display->nb_lines; |
| if (SHOW_LIST_TITLE) |
| nb_lines--; |
| int item_pos = gui_list->selected_item - gui_list->start_item; |
| int end_item = gui_list->start_item + nb_lines; |
| |
| if (paginate) |
| { |
| /* When we reach the bottom of the list |
| * we jump to a new page if there are more items*/ |
| if ((item_pos > nb_lines-gui_list->selected_size) && |
| (end_item < gui_list->nb_items) ) |
| { |
| gui_list->start_item = gui_list->selected_item; |
| if ( gui_list->start_item > gui_list->nb_items-nb_lines ) |
| gui_list->start_item = gui_list->nb_items-nb_lines; |
| } |
| } |
| else |
| { |
| /* we start scrolling vertically when reaching the line |
| * (nb_lines-SCROLL_LIMIT) |
| * and when we are not in the last part of the list*/ |
| if( (item_pos > nb_lines-SCROLL_LIMIT) && |
| (end_item < gui_list->nb_items) ) |
| { |
| gui_list->start_item+=gui_list->selected_size; |
| } |
| } |
| } |
| |
| static void scroll_up(struct gui_list *gui_list, bool paginate) |
| { |
| int item_pos = gui_list->selected_item - gui_list->start_item; |
| int nb_lines = gui_list->display->nb_lines; |
| if (SHOW_LIST_TITLE) |
| nb_lines--; |
| |
| if (paginate) |
| { |
| /* When we reach the top of the list |
| * we jump to a new page if there are more items*/ |
| if( item_pos < 0) |
| gui_list->start_item = gui_list->selected_item - nb_lines + |
| gui_list->selected_size; |
| } |
| else |
| { |
| /* we start scrolling vertically when reaching the line |
| * (nb_lines-SCROLL_LIMIT) |
| * and when we are not in the last part of the list*/ |
| if( item_pos < SCROLL_LIMIT-1) |
| gui_list->start_item-=gui_list->selected_size; |
| } |
| if( gui_list->start_item < 0 ) |
| gui_list->start_item = 0; |
| } |
| |
| /* |
| * Selects the next item in the list |
| * (Item 0 gets selected if the end of the list is reached) |
| * - gui_list : the list structure |
| */ |
| static void gui_list_select_next(struct gui_list * gui_list) |
| { |
| if( gui_list->selected_item+gui_list->selected_size >= gui_list->nb_items ) |
| { |
| if(gui_list->limit_scroll) |
| return; |
| /* we have already reached the bottom of the list */ |
| gui_list->selected_item = 0; |
| gui_list->start_item = 0; |
| } |
| else |
| { |
| gui_list->selected_item+=gui_list->selected_size; |
| scroll_down(gui_list, global_settings.scroll_paginated); |
| } |
| } |
| |
| /* |
| * Selects the previous item in the list |
| * (Last item in the list gets selected if the list beginning is reached) |
| * - gui_list : the list structure |
| */ |
| static void gui_list_select_previous(struct gui_list * gui_list) |
| { |
| int nb_lines = gui_list->display->nb_lines; |
| if (SHOW_LIST_TITLE) |
| nb_lines--; |
| if( gui_list->selected_item-gui_list->selected_size < 0 ) |
| { |
| if(gui_list->limit_scroll) |
| return; |
| /* we have aleady reached the top of the list */ |
| int start; |
| gui_list->selected_item = gui_list->nb_items-gui_list->selected_size; |
| start = gui_list->nb_items-nb_lines; |
| if( start < 0 ) |
| gui_list->start_item = 0; |
| else |
| gui_list->start_item = start; |
| } |
| else |
| { |
| gui_list->selected_item -= gui_list->selected_size; |
| scroll_up(gui_list, global_settings.scroll_paginated); |
| } |
| } |
| |
| /* |
| * Go to next page if any, else selects the last item in the list |
| * - gui_list : the list structure |
| * - nb_lines : the number of lines to try to move the cursor |
| */ |
| static void gui_list_select_next_page(struct gui_list * gui_list, int nb_lines) |
| { |
| if(gui_list->selected_item == gui_list->nb_items-gui_list->selected_size) |
| { |
| if(gui_list->limit_scroll) |
| return; |
| gui_list->selected_item = 0; |
| } |
| else |
| { |
| if (SHOW_LIST_TITLE) |
| nb_lines--; |
| nb_lines-=nb_lines%gui_list->selected_size; |
| gui_list->selected_item += nb_lines; |
| if(gui_list->selected_item > gui_list->nb_items-1) |
| gui_list->selected_item = gui_list->nb_items-1; |
| } |
| gui_list_put_selection_in_screen(gui_list, true); |
| } |
| |
| /* |
| * Go to previous page if any, else selects the first item in the list |
| * - gui_list : the list structure |
| * - nb_lines : the number of lines to try to move the cursor |
| */ |
| static void gui_list_select_previous_page(struct gui_list * gui_list, int nb_lines) |
| { |
| if(gui_list->selected_item == 0) |
| { |
| if(gui_list->limit_scroll) |
| return; |
| gui_list->selected_item = gui_list->nb_items - gui_list->selected_size; |
| } |
| else |
| { |
| if (SHOW_LIST_TITLE) |
| nb_lines--; |
| nb_lines-=nb_lines%gui_list->selected_size; |
| gui_list->selected_item -= nb_lines; |
| if(gui_list->selected_item < 0) |
| gui_list->selected_item = 0; |
| } |
| gui_list_put_selection_in_screen(gui_list, false); |
| } |
| |
| /* |
| * Adds an item to the list (the callback will be asked for one more item) |
| * - gui_list : the list structure |
| */ |
| static void gui_list_add_item(struct gui_list * gui_list) |
| { |
| gui_list->nb_items++; |
| /* if only one item in the list, select it */ |
| if(gui_list->nb_items == 1) |
| gui_list->selected_item = 0; |
| } |
| |
| /* |
| * Removes an item to the list (the callback will be asked for one less item) |
| * - gui_list : the list structure |
| */ |
| static void gui_list_del_item(struct gui_list * gui_list) |
| { |
| if(gui_list->nb_items > 0) |
| { |
| gui_textarea_update_nblines(gui_list->display); |
| int nb_lines = gui_list->display->nb_lines; |
| |
| int dist_selected_from_end = gui_list->nb_items |
| - gui_list->selected_item - 1; |
| int dist_start_from_end = gui_list->nb_items |
| - gui_list->start_item - 1; |
| if(dist_selected_from_end == 0) |
| { |
| /* Oops we are removing the selected item, |
| select the previous one */ |
| gui_list->selected_item--; |
| } |
| gui_list->nb_items--; |
| |
| /* scroll the list if needed */ |
| if( (dist_start_from_end < nb_lines) && (gui_list->start_item != 0) ) |
| gui_list->start_item--; |
| } |
| } |
| |
| #ifdef HAVE_LCD_BITMAP |
| |
| /* |
| * Makes all the item in the list scroll by one step to the right. |
| * Should stop increasing the value when reaching the widest item value |
| * in the list. |
| */ |
| static void gui_list_scroll_right(struct gui_list * gui_list) |
| { |
| /* FIXME: This is a fake right boundry limiter. there should be some |
| * callback function to find the longest item on the list in pixels, |
| * to stop the list from scrolling past that point */ |
| gui_list->offset_position+=offset_step; |
| if (gui_list->offset_position > 1000) |
| gui_list->offset_position = 1000; |
| } |
| |
| /* |
| * Makes all the item in the list scroll by one step to the left. |
| * stops at starting position. |
| */ |
| static void gui_list_scroll_left(struct gui_list * gui_list) |
| { |
| gui_list->offset_position-=offset_step; |
| if (gui_list->offset_position < 0) |
| gui_list->offset_position = 0; |
| } |
| void gui_list_screen_scroll_step(int ofs) |
| { |
| offset_step = ofs; |
| } |
| |
| void gui_list_screen_scroll_out_of_view(bool enable) |
| { |
| if (enable) |
| offset_out_of_view = true; |
| else |
| offset_out_of_view = false; |
| } |
| #endif /* HAVE_LCD_BITMAP */ |
| |
| /* |
| * Set the title and title icon of the list. Setting title to NULL disables |
| * both the title and icon. Use NOICON if there is no icon. |
| */ |
| static void gui_list_set_title(struct gui_list * gui_list, char * title, ICON icon) |
| { |
| gui_list->title = title; |
| gui_list->title_icon = icon; |
| if (title) { |
| #ifdef HAVE_LCD_BITMAP |
| gui_list->display->getstringsize(title, &gui_list->title_width, NULL); |
| #else |
| gui_list->title_width = strlen(title); |
| #endif |
| } else { |
| gui_list->title_width = 0; |
| } |
| } |
| |
| /* |
| * Synchronized lists stuffs |
| */ |
| void gui_synclist_init( |
| struct gui_synclist * lists, |
| list_get_name callback_get_item_name, |
| void * data, |
| bool scroll_all, |
| int selected_size |
| ) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| { |
| gui_list_init(&(lists->gui_list[i]), |
| callback_get_item_name, |
| data, scroll_all, selected_size); |
| gui_list_set_display(&(lists->gui_list[i]), &(screens[i])); |
| } |
| } |
| |
| void gui_synclist_set_nb_items(struct gui_synclist * lists, int nb_items) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| { |
| gui_list_set_nb_items(&(lists->gui_list[i]), nb_items); |
| #ifdef HAVE_LCD_BITMAP |
| lists->gui_list[i].offset_position = 0; |
| #endif |
| } |
| } |
| int gui_synclist_get_nb_items(struct gui_synclist * lists) |
| { |
| return gui_list_get_nb_items(&((lists)->gui_list[0])); |
| } |
| int gui_synclist_get_sel_pos(struct gui_synclist * lists) |
| { |
| return gui_list_get_sel_pos(&((lists)->gui_list[0])); |
| } |
| void gui_synclist_set_icon_callback(struct gui_synclist * lists, |
| list_get_icon icon_callback) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| { |
| gui_list_set_icon_callback(&(lists->gui_list[i]), icon_callback); |
| } |
| } |
| |
| void gui_synclist_draw(struct gui_synclist * lists) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_draw(&(lists->gui_list[i])); |
| } |
| |
| void gui_synclist_select_item(struct gui_synclist * lists, int item_number) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_select_item(&(lists->gui_list[i]), item_number); |
| } |
| |
| static void gui_synclist_select_next(struct gui_synclist * lists) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_select_next(&(lists->gui_list[i])); |
| } |
| |
| static void gui_synclist_select_previous(struct gui_synclist * lists) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_select_previous(&(lists->gui_list[i])); |
| } |
| |
| static void gui_synclist_select_next_page(struct gui_synclist * lists, |
| enum screen_type screen) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_select_next_page(&(lists->gui_list[i]), |
| screens[screen].nb_lines); |
| } |
| |
| static void gui_synclist_select_previous_page(struct gui_synclist * lists, |
| enum screen_type screen) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_select_previous_page(&(lists->gui_list[i]), |
| screens[screen].nb_lines); |
| } |
| |
| void gui_synclist_add_item(struct gui_synclist * lists) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_add_item(&(lists->gui_list[i])); |
| } |
| |
| void gui_synclist_del_item(struct gui_synclist * lists) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_del_item(&(lists->gui_list[i])); |
| } |
| |
| void gui_synclist_limit_scroll(struct gui_synclist * lists, bool scroll) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_limit_scroll(&(lists->gui_list[i]), scroll); |
| } |
| |
| void gui_synclist_set_title(struct gui_synclist * lists, |
| char * title, ICON icon) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_set_title(&(lists->gui_list[i]), title, icon); |
| } |
| |
| void gui_synclist_flash(struct gui_synclist * lists) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_flash(&(lists->gui_list[i])); |
| } |
| |
| #ifdef HAVE_LCD_BITMAP |
| static void gui_synclist_scroll_right(struct gui_synclist * lists) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_scroll_right(&(lists->gui_list[i])); |
| } |
| |
| static void gui_synclist_scroll_left(struct gui_synclist * lists) |
| { |
| int i; |
| FOR_NB_SCREENS(i) |
| gui_list_scroll_left(&(lists->gui_list[i])); |
| } |
| #endif /* HAVE_LCD_BITMAP */ |
| |
| unsigned gui_synclist_do_button(struct gui_synclist * lists, |
| unsigned button,enum list_wrap wrap) |
| { |
| #ifdef HAVE_LCD_BITMAP |
| static bool scrolling_left = false; |
| #endif |
| |
| switch (wrap) |
| { |
| case LIST_WRAP_ON: |
| gui_synclist_limit_scroll(lists, false); |
| break; |
| case LIST_WRAP_OFF: |
| gui_synclist_limit_scroll(lists, true); |
| break; |
| case LIST_WRAP_UNLESS_HELD: |
| if (button == ACTION_STD_PREVREPEAT || |
| button == ACTION_STD_NEXTREPEAT) |
| gui_synclist_limit_scroll(lists, true); |
| else gui_synclist_limit_scroll(lists, false); |
| break; |
| }; |
| |
| switch(button) |
| { |
| #ifdef HAVE_VOLUME_IN_LIST |
| case ACTION_LIST_VOLUP: |
| global_settings.volume += 2; |
| /* up two because the falthrough brings it down one */ |
| case ACTION_LIST_VOLDOWN: |
| global_settings.volume--; |
| |
| if (global_settings.volume < sound_min(SOUND_VOLUME)) |
| global_settings.volume = sound_min(SOUND_VOLUME); |
| if (global_settings.volume > sound_max(SOUND_VOLUME)) |
| global_settings.volume = sound_max(SOUND_VOLUME); |
| sound_set_volume(global_settings.volume); |
| settings_save(); |
| return button; |
| #endif |
| case ACTION_STD_PREV: |
| case ACTION_STD_PREVREPEAT: |
| gui_synclist_select_previous(lists); |
| if (queue_count(&button_queue) < FRAMEDROP_TRIGGER) |
| gui_synclist_draw(lists); |
| yield(); |
| return ACTION_STD_PREV; |
| |
| case ACTION_STD_NEXT: |
| case ACTION_STD_NEXTREPEAT: |
| gui_synclist_select_next(lists); |
| if (queue_count(&button_queue) < FRAMEDROP_TRIGGER) |
| gui_synclist_draw(lists); |
| yield(); |
| return ACTION_STD_NEXT; |
| |
| #ifdef HAVE_LCD_BITMAP |
| case ACTION_TREE_ROOT_INIT: |
| /* After this button press ACTION_TREE_PGLEFT is allowed |
| to skip to root. ACTION_TREE_ROOT_INIT must be defined in the |
| keymaps as a repeated button press (the same as the repeated |
| ACTION_TREE_PGLEFT) with the pre condition being the non-repeated |
| button press */ |
| if (lists->gui_list[0].offset_position == 0) |
| { |
| scrolling_left = false; |
| return ACTION_STD_CANCEL; |
| } |
| case ACTION_TREE_PGRIGHT: |
| gui_synclist_scroll_right(lists); |
| gui_synclist_draw(lists); |
| return ACTION_TREE_PGRIGHT; |
| case ACTION_TREE_PGLEFT: |
| if(!scrolling_left && (lists->gui_list[0].offset_position == 0)) |
| return ACTION_STD_CANCEL; |
| gui_synclist_scroll_left(lists); |
| gui_synclist_draw(lists); |
| scrolling_left = true; /* stop ACTION_TREE_PAGE_LEFT |
| skipping to root */ |
| return ACTION_TREE_PGLEFT; |
| #endif |
| |
| /* for pgup / pgdown, we are obliged to have a different behaviour depending |
| * on the screen for which the user pressed the key since for example, remote |
| * and main screen doesn't have the same number of lines */ |
| case ACTION_LISTTREE_PGUP: |
| { |
| int screen = |
| #ifdef HAVE_REMOTE_LCD |
| get_action_statuscode(NULL)&ACTION_REMOTE ? |
| SCREEN_REMOTE : |
| #endif |
| SCREEN_MAIN; |
| gui_synclist_select_previous_page(lists, screen); |
| gui_synclist_draw(lists); |
| yield(); |
| } |
| return ACTION_STD_NEXT; |
| |
| case ACTION_LISTTREE_PGDOWN: |
| { |
| int screen = |
| #ifdef HAVE_REMOTE_LCD |
| get_action_statuscode(NULL)&ACTION_REMOTE ? |
| SCREEN_REMOTE : |
| #endif |
| SCREEN_MAIN; |
| gui_synclist_select_next_page(lists, screen); |
| gui_synclist_draw(lists); |
| yield(); |
| } |
| return ACTION_STD_PREV; |
| } |
| return 0; |
| } |