/*
 * Geeqie
 * (C) 2006 John Ellis
 * Copyright (C) 2008 - 2010 The Geeqie Team
 *
 * Author: John Ellis
 *
 * This software is released under the GNU General Public License (GNU GPL).
 * Please read the included file COPYING for more information.
 * This software comes with no warranty of any kind, use at your own risk!
 */


#ifndef TYPEDEFS_H
#define TYPEDEFS_H

typedef enum {
	ZOOM_RESET_ORIGINAL	= 0,
	ZOOM_RESET_FIT_WINDOW	= 1,
	ZOOM_RESET_NONE		= 2
} ZoomMode;

typedef enum {
	MOUSE_BUTTON_LEFT	= 1,
	MOUSE_BUTTON_MIDDLE	= 2,
	MOUSE_BUTTON_RIGHT	= 3,
	MOUSE_BUTTON_WHEEL_UP	= 4,
	MOUSE_BUTTON_WHEEL_DOWN	= 5
} MouseButton;

typedef enum {
	DIRVIEW_LIST,
	DIRVIEW_TREE
} DirViewType;

typedef enum {
	FILEVIEW_LIST,
	FILEVIEW_ICON
} FileViewType;

#define	CMD_COPY     "geeqie-copy-command.desktop"
#define	CMD_MOVE     "geeqie-move-command.desktop"
#define	CMD_RENAME   "geeqie-rename-command.desktop"
#define	CMD_DELETE   "geeqie-delete-command.desktop"
#define	CMD_FOLDER   "geeqie-folder-command.desktop"

typedef enum {
	SORT_NONE,
	SORT_NAME,
	SORT_SIZE,
	SORT_TIME,
	SORT_PATH,
	SORT_NUMBER
} SortType;

typedef enum {
	ALTER_NONE,		/* do nothing */
	ALTER_ROTATE_90,
	ALTER_ROTATE_90_CC,	/* counterclockwise */
	ALTER_ROTATE_180,
	ALTER_MIRROR,
	ALTER_FLIP,
} AlterType;

typedef enum {
	LAYOUT_HIDE   = 0,
	LAYOUT_LEFT   = 1 << 0,
	LAYOUT_RIGHT  = 1 << 1,
	LAYOUT_TOP    = 1 << 2,
	LAYOUT_BOTTOM = 1 << 3
} LayoutLocation;


typedef enum {
	IMAGE_STATE_NONE	= 0,
	IMAGE_STATE_IMAGE	= 1 << 0,
	IMAGE_STATE_LOADING	= 1 << 1,
	IMAGE_STATE_ERROR	= 1 << 2,
	IMAGE_STATE_COLOR_ADJ	= 1 << 3,
	IMAGE_STATE_ROTATE_AUTO	= 1 << 4,
	IMAGE_STATE_ROTATE_USER	= 1 << 5,
	IMAGE_STATE_DELAY_FLIP	= 1 << 6
} ImageState;

typedef enum {
	SPLIT_NONE = 0,
	SPLIT_VERT,
	SPLIT_HOR,
	SPLIT_QUAD,
} ImageSplitMode;

typedef enum {
	FILEDATA_CHANGE_DELETE,
	FILEDATA_CHANGE_MOVE,
	FILEDATA_CHANGE_RENAME,
	FILEDATA_CHANGE_COPY,
	FILEDATA_CHANGE_UNSPECIFIED,
	FILEDATA_CHANGE_WRITE_METADATA
} FileDataChangeType;

typedef enum {
	MTS_MODE_MINUS,
	MTS_MODE_SET,
	MTS_MODE_OR,
	MTS_MODE_AND
} MarkToSelectionMode;

typedef enum {
	STM_MODE_RESET,
	STM_MODE_SET,
	STM_MODE_TOGGLE
} SelectionToMarkMode;

typedef enum {
	FORMAT_CLASS_UNKNOWN,
	FORMAT_CLASS_IMAGE,
	FORMAT_CLASS_RAWIMAGE,
	FORMAT_CLASS_META,
	FILE_FORMAT_CLASSES
} FileFormatClass;

typedef enum {
	SS_ERR_NONE = 0,
	SS_ERR_DISABLED, /**< secsave is disabled. */
	SS_ERR_OUT_OF_MEM, /**< memory allocation failure */

	/* see err field in SecureSaveInfo */
	SS_ERR_OPEN_READ,
	SS_ERR_OPEN_WRITE,
	SS_ERR_STAT,
	SS_ERR_ACCESS,
	SS_ERR_MKSTEMP,
	SS_ERR_RENAME,
	SS_ERR_OTHER,
} SecureSaveErrno;

typedef enum {
	NOTIFY_PRIORITY_HIGH = 0,
	NOTIFY_PRIORITY_MEDIUM,
	NOTIFY_PRIORITY_LOW
} NotifyPriority;
	
typedef enum {
	NOTIFY_MARKS		= 1 << 1, /* changed marks */
	NOTIFY_PIXBUF		= 1 << 2, /* image was read into fd->pixbuf */
	NOTIFY_HISTMAP		= 1 << 3, /* histmap was read into fd->histmap */
	NOTIFY_ORIENTATION	= 1 << 4, /* image was rotated */
	NOTIFY_METADATA		= 1 << 5, /* changed image metadata, not yet written */
	NOTIFY_GROUPING		= 1 << 6, /* change in fd->sidecar_files or fd->parent */
	NOTIFY_REREAD		= 1 << 7, /* changed file size, date, etc., file name remains unchanged */
	NOTIFY_CHANGE		= 1 << 8  /* generic change described by fd->change */
} NotifyType;

typedef enum {
	CHANGE_OK                      = 0,
	CHANGE_WARN_DEST_EXISTS        = 1 << 0,
	CHANGE_WARN_NO_WRITE_PERM      = 1 << 1,
	CHANGE_WARN_SAME               = 1 << 2,
	CHANGE_WARN_CHANGED_EXT        = 1 << 3,
	CHANGE_WARN_UNSAVED_META       = 1 << 4,
	CHANGE_ERROR_MASK              = (~0) << 8, /* the values below are fatal errors */
	CHANGE_NO_READ_PERM            = 1 << 8,
	CHANGE_NO_WRITE_PERM_DIR       = 1 << 9,
	CHANGE_NO_DEST_DIR             = 1 << 10,
	CHANGE_NO_WRITE_PERM_DEST_DIR  = 1 << 11,
	CHANGE_NO_WRITE_PERM_DEST      = 1 << 12,
	CHANGE_DEST_EXISTS             = 1 << 13,
	CHANGE_NO_SRC                  = 1 << 14,
	CHANGE_GENERIC_ERROR           = 1 << 16
} ChangeError;

typedef enum {
	METADATA_PLAIN		= 0, /* format that can be edited and written back */
	METADATA_FORMATTED	= 1  /* for display only */
} MetadataFormat;

typedef enum {
	STARTUP_PATH_CURRENT	= 0,
	STARTUP_PATH_LAST,
	STARTUP_PATH_HOME,
} StartUpPath;

typedef enum {
	TOOLBAR_MAIN,
	TOOLBAR_STATUS,
	TOOLBAR_COUNT
} ToolbarType;

#define MAX_SPLIT_IMAGES 4

typedef struct _ImageLoader ImageLoader;
typedef struct _ThumbLoader ThumbLoader;

typedef struct _CollectInfo CollectInfo;
typedef struct _CollectionData CollectionData;
typedef struct _CollectTable CollectTable;
typedef struct _CollectWindow CollectWindow;

typedef struct _ImageWindow ImageWindow;

typedef struct _FileData FileData;
typedef struct _FileDataChangeInfo FileDataChangeInfo;

typedef struct _LayoutWindow LayoutWindow;
typedef struct _LayoutOptions LayoutOptions;

typedef struct _ViewDir ViewDir;
typedef struct _ViewDirInfoList ViewDirInfoList;
typedef struct _ViewDirInfoTree ViewDirInfoTree;

typedef struct _ViewFile ViewFile;
typedef struct _ViewFileInfoList ViewFileInfoList;
typedef struct _ViewFileInfoIcon ViewFileInfoIcon;

typedef struct _SlideShowData SlideShowData;
typedef struct _FullScreenData FullScreenData;

typedef struct _PixmapFolders PixmapFolders;
typedef struct _Histogram Histogram;
typedef struct _HistMap HistMap;

typedef struct _SecureSaveInfo SecureSaveInfo;

typedef struct _ExifData ExifData;

typedef struct _EditorDescription EditorDescription;

typedef struct _CommandLine CommandLine;

struct _Histogram {
	gint histogram_channel; /* drawing mode for histogram */
	gint histogram_mode;     /* logarithmical or not */
	guint vgrid; /* number of vertical divisions, 0 for none */
	guint hgrid; /* number of horizontal divisions, 0 for none */
	struct {
		int R; /* red */
		int G; /* green */
		int B; /* blue */
		int A; /* alpha */
	} grid_color;  /* grid color */

};



struct _ImageLoader;

typedef void (* ThumbLoaderFunc)(ThumbLoader *tl, gpointer data);

typedef void (* FileUtilDoneFunc)(gboolean success, const gchar *done_path, gpointer data);

struct _ThumbLoader
{
	gboolean standard_loader;

	ImageLoader *il;
	FileData *fd;           /* fd->pixbuf contains final (scaled) image when done */

	gboolean cache_enable;
	gboolean cache_hit;
	gdouble percent_done;

	gint max_w;
	gint max_h;

	ThumbLoaderFunc func_done;
	ThumbLoaderFunc func_error;
	ThumbLoaderFunc func_progress;

	gpointer data;

	guint idle_done_id; /* event source id */
};

struct _CollectInfo
{
	FileData *fd;
	GdkPixbuf *pixbuf;
	guint flag_mask;
};

struct _CollectionData
{
	gchar *path;
	gchar *name;
	GList *list;
	SortType sort_method;

	ThumbLoader *thumb_loader;
	CollectInfo *thumb_info;

	void (*info_updated_func)(CollectionData *, CollectInfo *, gpointer);
	gpointer info_updated_data;

	gint ref;

	/* geometry */
	gint window_read;
	gint window_x;
	gint window_y;
	gint window_w;
	gint window_h;

	/* contents changed since save flag */
	gboolean changed;

	GHashTable *existence;
};

struct _CollectTable
{
	GtkWidget *scrolled;
	GtkWidget *listview;
	gint columns;
	gint rows;

	CollectionData *cd;

	GList *selection;
	CollectInfo *prev_selection;

	CollectInfo *click_info;

	GtkWidget *tip_window;
	guint tip_delay_id; /* event source id */
	CollectInfo *tip_info;

	GdkWindow *marker_window;
	CollectInfo *marker_info;

	GtkWidget *status_label;
	GtkWidget *extra_label;

	gint focus_row;
	gint focus_column;
	CollectInfo *focus_info;

	GtkWidget *popup;
	CollectInfo *drop_info;
	GList *drop_list;

	guint sync_idle_id; /* event source id */
	guint drop_idle_id; /* event source id */

	gboolean show_text;

	/* file list for edit menu */
	GList *editmenu_fd_list;
};

struct _CollectWindow
{
	GtkWidget *window;
	CollectTable *table;
	GtkWidget *status_box;
	GList *list;

	GtkWidget *close_dialog;

	CollectionData *cd;
};

typedef gint (* ImageTileRequestFunc)(ImageWindow *imd, gint x, gint y,
				      gint width, gint height, GdkPixbuf *pixbuf, gpointer);
typedef void (* ImageTileDisposeFunc)(ImageWindow *imd, gint x, gint y,
				      gint width, gint height, GdkPixbuf *pixbuf, gpointer);

struct _ImageWindow
{
	GtkWidget *widget;	/* use this to add it and show it */
	GtkWidget *pr;
	GtkWidget *frame;

	FileData *image_fd;

	gboolean unknown;		/* failed to load image */

	ImageLoader *il;        /* FIXME - image loader should probably go to FileData, but it must first support
				   sending callbacks to multiple ImageWindows in parallel */

	gint has_frame;  /* not boolean, see image_new() */

	/* top level (not necessarily parent) window */
	gboolean top_window_sync;	/* resize top_window when image dimensions change */
	GtkWidget *top_window;	/* window that gets title, and window to resize when 'fitting' */
	gchar *title;		/* window title to display left of file name */
	gchar *title_right;	/* window title to display right of file name */
	gboolean title_show_zoom;	/* option to include zoom in window title */

	gboolean completed;
	ImageState state;	/* mask of IMAGE_STATE_* flags about current image */

	void (*func_update)(ImageWindow *imd, gpointer data);
	void (*func_complete)(ImageWindow *imd, gint preload, gpointer data);
	void (*func_state)(ImageWindow *imd, ImageState state, gpointer data);
	ImageTileRequestFunc func_tile_request;
	ImageTileDisposeFunc func_tile_dispose;

	gpointer data_update;
	gpointer data_complete;
	gpointer data_state;
	gpointer data_tile;

	/* button, scroll functions */
	void (*func_button)(ImageWindow *, GdkEventButton *event, gpointer);
	void (*func_drag)(ImageWindow *, GdkEventButton *event, gdouble dx, gdouble dy, gpointer);
	void (*func_scroll)(ImageWindow *, GdkEventScroll *event, gpointer);
	void (*func_focus_in)(ImageWindow *, gpointer);

	gpointer data_button;
	gpointer data_drag;
	gpointer data_scroll;
	gpointer data_focus_in;

	/* scroll notification (for scroll bar implementation) */
	void (*func_scroll_notify)(ImageWindow *, gint x, gint y, gint width, gint height, gpointer);

	gpointer data_scroll_notify;

	/* collection info */
	CollectionData *collection;
	CollectInfo *collection_info;

	/* color profiles */
	gboolean color_profile_enable;
	gint color_profile_input;
	gboolean color_profile_use_image;
	gint color_profile_from_image;
	gpointer cm;

	AlterType delay_alter_type;

	FileData *read_ahead_fd;
	ImageLoader *read_ahead_il;

	gint prev_color_row;

	gboolean auto_refresh;

	gboolean delay_flip;
	gint orientation;
	gboolean desaturate;
};

#define FILEDATA_MARKS_SIZE 6

struct _FileDataChangeInfo {
	FileDataChangeType type;
	gchar *source;
	gchar *dest;
	gint error;
	gboolean regroup_when_finished;
};

struct _FileData {
	gint magick;
	gint type;
	gchar *original_path; /* key to file_data_pool hash table */
	gchar *path;
	const gchar *name;
	const gchar *extension;
	gchar *collate_key_name;
	gchar *collate_key_name_nocase;
	gint64 size;
	time_t date;
	mode_t mode; /* this is needed at least for notification in view_dir because it is preserved after the file/directory is deleted */
	
	guint marks; /* each bit represents one mark */
	guint valid_marks; /* zero bit means that the corresponding mark needs to be reread */


	GList *sidecar_files;
	FileData *parent; /* parent file if this is a sidecar file, NULL otherwise */
	FileDataChangeInfo *change; /* for rename, move ... */
	GdkPixbuf *thumb_pixbuf;

	GdkPixbuf *pixbuf; /* full-size image, only complete images, NULL during loading
			      all FileData with non-NULL pixbuf are referenced by image_cache */
			      
	HistMap *histmap;

	gint ref;
	gint version; /* increased when any field in this structure is changed */
	gboolean disable_grouping;

	gint user_orientation;
	gint exif_orientation;
	
	ExifData *exif;
	GHashTable *modified_xmp; // hash table which contains unwritten xmp metadata in format: key->list of string values
};

struct _LayoutOptions
{
	gchar *id;

	gchar *order;
	gint style;

	DirViewType dir_view_type;
	FileViewType file_view_type;

	gboolean show_thumbnails;
	gboolean show_marks;
	gboolean show_directory_date;
	gboolean show_info_pixel;

	struct {
		gint w;
		gint h;
		gint x;
		gint y;
		gboolean maximized;
		gint hdivider_pos;
		gint vdivider_pos;
	} main_window;

	struct {
		gint w;
		gint h;
		gint x;
		gint y;
		gint vdivider_pos;
	} float_window;

	struct {
		gint w;
		gint h;
	} properties_window;

	struct {
		guint state;
		gint histogram_channel;
		gint histogram_mode;
	} image_overlay;

	gboolean tools_float;
	gboolean tools_hidden;
	gboolean toolbar_hidden;

	gchar *home_path;
	gchar *last_path;

	StartUpPath startup_path;

	gboolean exit_on_close;
};

struct _LayoutWindow
{
	LayoutOptions options;

	FileData *dir_fd;

	/* base */

	GtkWidget *window;

	GtkWidget *main_box;

	GtkWidget *group_box;
	GtkWidget *h_pane;
	GtkWidget *v_pane;

	/* menus, path selector */

	GtkActionGroup *action_group;
	GtkActionGroup *action_group_editors;
	guint ui_editors_id;
	GtkUIManager *ui_manager;
	guint toolbar_merge_id[TOOLBAR_COUNT];
	GList *toolbar_actions[TOOLBAR_COUNT];

	GtkWidget *path_entry;

	/* image */

	LayoutLocation image_location;

	ImageWindow *image;

	ImageWindow *split_images[MAX_SPLIT_IMAGES];
	ImageSplitMode split_mode;
	gint active_split_image;

	GtkWidget *split_image_widget;
	GtkSizeGroup *split_image_sizegroup;

	/* tools window (float) */

	GtkWidget *tools;
	GtkWidget *tools_pane;

//	gint tools_float;
//	gint tools_hidden;

	GtkWidget *menu_bar; /* referenced by lw, exist during whole lw lifetime */
	/* toolbar */

	GtkWidget *toolbar[TOOLBAR_COUNT]; /* referenced by lw, exist during whole lw lifetime */
//	gint toolbar_hidden;

//	GtkWidget *thumb_button;
//	gint thumbs_enabled;
//	gint marks_enabled;

	GtkWidget *back_button;

	/* dir view */

	LayoutLocation dir_location;

	ViewDir *vd;
	GtkWidget *dir_view;

//	DirViewType dir_view_type;

	/* file view */

	LayoutLocation file_location;

	ViewFile *vf;
//	FileViewType file_view_type;

	GtkWidget *file_view;

	SortType sort_method;
	gboolean sort_ascend;

	/* status bar */

	GtkWidget *info_box;
	GtkWidget *info_progress_bar;
	GtkWidget *info_sort;
	GtkWidget *info_status;
	GtkWidget *info_details;
	GtkWidget *info_zoom;
	GtkWidget *info_pixel;
	
	/* slide show */

	SlideShowData *slideshow;

	/* full screen */

	FullScreenData *full_screen;

	/* dividers */

//	gint div_h;
//	gint div_v;
//	gint div_float;

	/* misc */

	GtkWidget *utility_box; /* referenced by lw, exist during whole lw lifetime */
	GtkWidget *utility_paned; /* between image and bar */
	GtkWidget *bar_sort;
	GtkWidget *bar;

//	gint bar_sort_enabled;
//	gint bar_enabled;

//	gint bar_width;

	GtkWidget *exif_window;
};

struct _ViewDir
{
	DirViewType type;
	gpointer info;

	GtkWidget *widget;
	GtkWidget *view;

	FileData *dir_fd;

	FileData *click_fd;

	FileData *drop_fd;
	GList *drop_list;
	guint drop_scroll_id; /* event source id */

	/* func list */
	void (*select_func)(ViewDir *vd, FileData *fd, gpointer data);
	gpointer select_data;

	void (*dnd_drop_update_func)(ViewDir *vd);
	void (*dnd_drop_leave_func)(ViewDir *vd);

	LayoutWindow *layout;

	GtkWidget *popup;

	PixmapFolders *pf;
};

struct _ViewDirInfoList
{
	GList *list;
};

struct _ViewDirInfoTree
{
	guint drop_expand_id; /* event source id */
	gint busy_ref;
};


struct _ViewFile
{
	FileViewType type;
	gpointer info;

	GtkWidget *widget;
	GtkWidget *listview;
	GtkWidget *scrolled;
	GtkWidget *filter;
	GtkWidget *filter_check[FILEDATA_MARKS_SIZE];

	FileData *dir_fd;
	GList *list;

	SortType sort_method;
	gboolean sort_ascend;

	/* func list */
	void (*func_thumb_status)(ViewFile *vf, gdouble val, const gchar *text, gpointer data);
	gpointer data_thumb_status;

	void (*func_status)(ViewFile *vf, gpointer data);
	gpointer data_status;

	LayoutWindow *layout;

	GtkWidget *popup;

	/* thumbs updates*/
	gboolean thumbs_running;
	ThumbLoader *thumbs_loader;
	FileData *thumbs_filedata;

	/* marks */
	gboolean marks_enabled;
	gint active_mark;
	gint clicked_mark;
	
	/* refresh */
	guint refresh_idle_id; /* event source id */
	time_t time_refresh_set; /* time when refresh_idle_id was set */

	/* file list for edit menu */
	GList *editmenu_fd_list;
};

struct _ViewFileInfoList
{
	FileData *click_fd;
	FileData *select_fd;

	gboolean thumbs_enabled;

	guint select_idle_id; /* event source id */
};

struct _IconData;

struct _ViewFileInfoIcon
{
	/* table stuff */
	gint columns;
	gint rows;

	GList *selection;
	struct _IconData *prev_selection;

	GtkWidget *tip_window;
	guint tip_delay_id; /* event source id */
	struct _IconData *tip_id;

	struct _IconData *click_id;

	struct _IconData *focus_id;
	gint focus_row;
	gint focus_column;

	gboolean show_text;
};

struct _SlideShowData
{
	LayoutWindow *lw;        /* use this window to display the slideshow */
	ImageWindow *imd;        /* use this window only if lw is not available,
	                            FIXME: it is probably required only by img-view.c and should be dropped with it */

	GList *filelist;
	CollectionData *cd;
	FileData *dir_fd;

	GList *list;
	GList *list_done;

	FileData *slide_fd;

	guint slide_count;
	guint timeout_id; /* event source id */

	gboolean from_selection;

	void (*stop_func)(SlideShowData *, gpointer);
	gpointer stop_data;

	gboolean paused;
};

struct _FullScreenData
{
	GtkWidget *window;
	ImageWindow *imd;

	GtkWidget *normal_window;
	ImageWindow *normal_imd;

	guint hide_mouse_id; /* event source id */
	guint busy_mouse_id; /* event source id */

	gint cursor_state;

	guint saver_block_id; /* event source id */

	void (*stop_func)(FullScreenData *, gpointer);
	gpointer stop_data;
};

struct _PixmapFolders
{
	GdkPixbuf *close;
	GdkPixbuf *open;
	GdkPixbuf *deny;
	GdkPixbuf *parent;
};

struct _SecureSaveInfo {
	FILE *fp; /**< file stream pointer */
	gchar *file_name; /**< final file name */
	gchar *tmp_file_name; /**< temporary file name */
	gint err; /**< set to non-zero value in case of error */
	gboolean secure_save; /**< use secure save for this file, internal use only */
	gboolean preserve_perms; /**< whether to preserve perms, TRUE by default */
	gboolean preserve_mtime; /**< whether to preserve mtime, FALSE by default */
	gboolean unlink_on_error; /**< whether to remove temporary file on save failure, TRUE by default */
};

struct _CommandLine
{
	int argc;
	gchar **argv;
	gboolean startup_blank;
	gboolean startup_full_screen;
	gboolean startup_in_slideshow;
	gboolean startup_command_line_collection;
	gboolean tools_hide;
	gboolean tools_show;
	gchar *path;
	gchar *file;
	GList *cmd_list;
	GList *collection_list;
	gchar *geometry;
};

#endif
/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
