contentLister/inc/lister.h

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/*
 * This file is part of contentLister.
 *
 * contentLister 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.
 *
 * contentLister is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/* contentLister - A GTK based content lister (read only) application on the eReader platform
 * Copyright (C) 2005-2008 iRex Technologies B.V.
 *
 */
#ifndef __LISTER__H__
#define __LISTER__H__

#include "erMdsContent.h"
#include "gtkContentListItem.h"

#ifdef __cplusplus
extern  "C"
{
#endif  /* __cplusplus */


#define LIST_ITEM_SPACING       20

// init value
#define NO_FOCUSSED_ITEM       (-1)

// only used to allocate data structures => layout uses fixed sizes => fixed # items on a page
#define MAX_ITEMS_ON_ONE_PAGE   6

// string size limitations for the list item text
#define LS_MAX_TITLE_SIZE       256
#define LS_MAX_SUBTITLE_SIZE    256
#define LS_MAX_DESCRIPTION_SIZE 512

#define LISTER_BOX_BORDER        51     // white border around the full contentlister page 768x1024
#define TITLE_MIN_HEIGHT         54
#define TITLE_MIN_WIDTH         666  
#define LISTER_ITEM_HEIGHT      115

#define CURSOR_X        (LISTER_BOX_BORDER - HBOX_TEXT_THUMB_SPACING)   
#define CURSOR_START_Y  (LISTER_BOX_BORDER + TITLE_MIN_HEIGHT + LIST_ITEM_SPACING)
#define CURSOR_STEP     (LIST_ITEM_SPACING + LISTER_ITEM_HEIGHT)

// location of metadata edit window
#define KEYBOARD_TOP                  680     // top-of-screen till top-of-keyboard
#define METADATA_CLIENTAREA_HEIGHT    (KEYBOARD_TOP - LISTER_BOX_BORDER - TITLE_MIN_HEIGHT - LIST_ITEM_PADDING - LISTER_ITEM_HEIGHT - LISTER_BOX_BORDER - 30)

typedef struct
{
    GtkWidget *titleItem;
    GtkWidget *titleLocation;      // display location information
    GtkWidget *listItems[MAX_ITEMS_ON_ONE_PAGE];
} lsLister_t;


lsLister_t *lsInit(GtkWidget * topLevelWindow, gpointer data);

GtkWidget * lsGetListerItem(lsLister_t * lister, int index);

void lsUpdatePage(lsLister_t * lister, clDisplayItem_t * items, 
        int count, int focus, gchar* category, const gchar *location);


#ifdef __cplusplus
}
#endif  /* __cplusplus */

#endif  //__LISTER__H__

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