372 lines
14 KiB
C
372 lines
14 KiB
C
#ifndef EFREET_DESKTOP_H
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#define EFREET_DESKTOP_H
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/**
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* @file efreet_desktop.h
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* @brief Contains the structures and methods used to support the
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* FDO desktop entry specificiation.
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* @addtogroup Efreet_Desktop Efreet_Desktop: The FDO Desktop Entry
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* Specification functions and structures
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* @ingroup Efreet
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*
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* @{
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*/
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EAPI extern int EFREET_DESKTOP_TYPE_APPLICATION;
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EAPI extern int EFREET_DESKTOP_TYPE_LINK;
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EAPI extern int EFREET_DESKTOP_TYPE_DIRECTORY;
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/**
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* Event id for cache update. All users of efreet_desktop_get must listen to
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* this event and refetch. The old eet cache will be closed and mem will
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* be invalidated.
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*/
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EAPI extern int EFREET_EVENT_DESKTOP_CACHE_UPDATE;
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/**
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* Event id for cache build complete.
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* @since 1.1.0
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*/
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EAPI extern int EFREET_EVENT_DESKTOP_CACHE_BUILD;
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/**
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* Efreet_Desktop
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*/
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typedef struct _Efreet_Desktop Efreet_Desktop;
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/**
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* A callback used with efreet_desktop_command_get()
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*/
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typedef void *(*Efreet_Desktop_Command_Cb) (void *data, Efreet_Desktop *desktop,
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char *command, int remaining);
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/**
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* A callback used to get download progress of remote uris
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*/
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typedef int (*Efreet_Desktop_Progress_Cb) (void *data, Efreet_Desktop *desktop,
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char *uri, long int total, long int current);
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/**
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* A callback used to parse data for custom types
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*/
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typedef void *(*Efreet_Desktop_Type_Parse_Cb) (Efreet_Desktop *desktop, Efreet_Ini *ini);
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/**
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* A callback used to save data for custom types
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*/
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typedef void (*Efreet_Desktop_Type_Save_Cb) (Efreet_Desktop *desktop, Efreet_Ini *ini);
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/**
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* A callback used to free data for custom types
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*/
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typedef void *(*Efreet_Desktop_Type_Free_Cb) (void *data);
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/**
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* Efreet_Desktop
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* @brief a parsed representation of a .desktop file
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*/
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struct _Efreet_Desktop
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{
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int type; /**< type of desktop file */
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int ref; /**< reference count - internal */
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char *version; /**< version of spec file conforms to */
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char *orig_path; /**< original path to .desktop file */
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long long load_time; /**< modified time of .desktop on disk */
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char *name; /**< Specific name of the application */
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char *generic_name; /**< Generic name of the application */
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char *comment; /**< Tooltip for the entry */
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char *icon; /**< Icon to display in file manager, menus, etc */
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char *try_exec; /**< Binary to determine if app is installed */
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char *exec; /**< Program to execute */
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char *path; /**< Working directory to run app in */
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char *startup_wm_class; /**< If specified will map at least one window with
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the given string as it's WM class or WM name */
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char *url; /**< URL to access if type is EFREET_TYPE_LINK */
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Eina_List *only_show_in; /**< list of environments that should
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display the icon */
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Eina_List *not_show_in; /**< list of environments that shoudn't
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display the icon */
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Eina_List *categories; /**< Categories in which item should be shown */
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Eina_List *mime_types; /**< The mime types supppored by this app */
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unsigned char no_display; /**< Don't display this application in menus */
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unsigned char hidden; /**< User delete the item */
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unsigned char terminal; /**< Does the program run in a terminal */
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unsigned char startup_notify; /**< The starup notify settings of the app */
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unsigned char eet:1; /**< The desktop file is in eet cache */
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Eina_Hash *x; /**< Keep track of all user extensions, keys that begin with X- */
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void *type_data; /**< Type specific data for custom types */
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};
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/**
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* @param file The file to get the Efreet_Desktop from
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* @return Returns a reference to a cached Efreet_Desktop on success, NULL
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* on failure
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* @brief Gets a reference to an Efreet_Desktop structure representing the
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* contents of @a file or NULL if @a file is not a valid .desktop file.
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*
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* By using efreet_desktop_get the Efreet_Desktop will be saved in an internal
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* cache for quicker loading.
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*
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* Users of this command should listen to EFREET_EVENT_DESKTOP_CACHE_UPDATE
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* event, if the application is to keep the reference. When the event fires
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* the Efreet_Desktop struct should be invalidated and reloaded from a new
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* cache file.
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*/
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EAPI Efreet_Desktop *efreet_desktop_get(const char *file);
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/**
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* @param desktop The Efreet_Desktop to ref
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* @return Returns the new reference count
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* @brief Increases reference count on desktop
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*/
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EAPI int efreet_desktop_ref(Efreet_Desktop *desktop);
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/**
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* @param file The file to create the Efreet_Desktop from
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* @return Returns a new empty_Efreet_Desktop on success, NULL on failure
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* @brief Creates a new empty Efreet_Desktop structure or NULL on failure
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*/
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EAPI Efreet_Desktop *efreet_desktop_empty_new(const char *file);
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/**
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* @param file The file to get the Efreet_Desktop from
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* @return Returns a reference to a cached Efreet_Desktop on success, NULL
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* on failure
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* @brief Gets a reference to an Efreet_Desktop structure representing the
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* contents of @a file or NULL if @a file is not a valid .desktop file.
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*
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* Users of this command should listen to EFREET_EVENT_DESKTOP_CACHE_UPDATE
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* event, if the application is to keep the reference. When the event fires
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* the Efreet_Desktop struct should be invalidated and reloaded from a new
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* cache file.
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*/
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EAPI Efreet_Desktop *efreet_desktop_new(const char *file);
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/**
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* @param file The file to create the Efreet_Desktop from
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* @return Returns a new Efreet_Desktop on success, NULL on failure
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* @brief Creates a new Efreet_Desktop structure initialized from the
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* contents of @a file or NULL on failure
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*
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* By using efreet_desktop_uncached_new the Efreet_Desktop structure will be
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* read from disk, and not from any cache.
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*
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* Data in the structure is allocated with strdup, so use free and strdup to
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* change values.
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*/
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EAPI Efreet_Desktop *efreet_desktop_uncached_new(const char *file);
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/**
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* @param desktop The Efreet_Desktop to work with
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* @return Returns no value
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* @brief Frees the Efreet_Desktop structure and all of it's data
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*/
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EAPI void efreet_desktop_free(Efreet_Desktop *desktop);
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/**
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* @def efreet_desktop_unref(desktop)
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* Alias for efreet_desktop_free(desktop)
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*/
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#define efreet_desktop_unref(desktop) efreet_desktop_free((desktop))
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/**
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* @param desktop The desktop file to save
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* @return Returns 1 on success or 0 on failure
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* @brief Saves any changes made to @a desktop back to the file on the
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* filesystem
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*/
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EAPI int efreet_desktop_save(Efreet_Desktop *desktop);
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/**
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* @param desktop The desktop file to save
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* @param file The filename to save as
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* @return Returns 1 on success or 0 on failure
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* @brief Saves @a desktop to @a file
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*
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* Please use efreet_desktop_uncached_new() on an existing file
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* before using efreet_desktop_save_as()
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*/
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EAPI int efreet_desktop_save_as(Efreet_Desktop *desktop,
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const char *file);
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/**
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* @param desktop The desktop file to work with
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* @param files The files to be substituted into the exec line
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* @param data The data pointer to pass
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* @return Returns the Ecore_Exce for @a desktop
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* @brief Parses the @a desktop exec line and returns an Ecore_Exe.
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*/
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EAPI void efreet_desktop_exec(Efreet_Desktop *desktop,
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Eina_List *files, void *data);
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/**
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* @param environment the environment name
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* @brief sets the global desktop environment name
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*/
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EAPI void efreet_desktop_environment_set(const char *environment);
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/**
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* @return environment the environment name
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* @brief sets the global desktop environment name
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*/
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EAPI const char *efreet_desktop_environment_get(void);
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/**
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* @param desktop the desktop entry
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* @param files an eina list of file names to execute, as either absolute paths,
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* relative paths, or uris
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* @param cb_command a callback to call for each prepared command line
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* @param cb_prog a callback to get progress for the downloads
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* @param data user data passed to the callback
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* @return Returns 1 on success or 0 on failure
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* @brief Get a command to use to execute a desktop entry, and receive progress
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* updates for downloading of remote URI's passed in.
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*/
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EAPI void *efreet_desktop_command_progress_get(Efreet_Desktop *desktop,
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Eina_List *files,
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Efreet_Desktop_Command_Cb cb_command,
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Efreet_Desktop_Progress_Cb cb_prog,
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void *data);
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/**
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* @param desktop the desktop entry
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* @param files an eina list of file names to execute, as either absolute paths,
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* relative paths, or uris
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* @param func a callback to call for each prepared command line
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* @param data user data passed to the callback
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* @return Returns the return value of @p func on success or NULL on failure
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* @brief Get a command to use to execute a desktop entry.
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*/
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EAPI void *efreet_desktop_command_get(Efreet_Desktop *desktop,
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Eina_List *files,
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Efreet_Desktop_Command_Cb func,
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void *data);
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/**
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* @param desktop the desktop entry
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* @param files an eina list of local files, as absolute paths, local paths, or file// uris (or NULL to get exec string with no files appended)
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* @return Returns an eina list of exec strings
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* @brief Get the command to use to execute a desktop entry
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*
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* The returned list and each of its elements must be freed.
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*/
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EAPI Eina_List * efreet_desktop_command_local_get(Efreet_Desktop *desktop,
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Eina_List *files);
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/**
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* @param desktop The desktop to work with
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* @return Returns the number of categories assigned to this desktop
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* @brief Retrieves the number of categories the given @a desktop belongs
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* too
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*/
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EAPI unsigned int efreet_desktop_category_count_get(Efreet_Desktop *desktop);
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/**
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* @param desktop the desktop
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* @param category the category name
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* @brief add a category to a desktop
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*/
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EAPI void efreet_desktop_category_add(Efreet_Desktop *desktop,
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const char *category);
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/**
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* @param desktop the desktop
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* @param category the category name
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* @brief removes a category from a desktop
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* @return 1 if the desktop had his category listed, 0 otherwise
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*/
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EAPI int efreet_desktop_category_del(Efreet_Desktop *desktop,
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const char *category);
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/**
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* @param type The type to add to the list of matching types
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* @param parse_func a function to parse out custom fields
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* @param save_func a function to save data returned from @a parse_func
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* @param free_func a function to free data returned from @a parse_func
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* @return Returns the id of the new type
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* @brief Adds the given type to the list of types in the system
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*/
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EAPI int efreet_desktop_type_add(const char *type,
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Efreet_Desktop_Type_Parse_Cb parse_func,
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Efreet_Desktop_Type_Save_Cb save_func,
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Efreet_Desktop_Type_Free_Cb free_func);
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/**
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* @brief Add an alias for an existing desktop type.
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* @param from_type the type to alias (e.g. EFREE_DESKTOP_TYPE_APPLICATION)
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* @param alias the alias
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* @return the new type id, or -1 if @p from_type was not valid
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*
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* This allows applications to add non-standard types that behave exactly as standard types.
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*/
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EAPI int efreet_desktop_type_alias (int from_type,
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const char *alias);
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/**
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* @brief get type specific data for custom desktop types
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* @param desktop the desktop
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* @return type specific data, or NULL if there is none
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*/
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EAPI void *efreet_desktop_type_data_get(Efreet_Desktop *desktop);
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/**
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* @param string the raw string list
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* @return an Eina_List of ecore string's
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* @brief Parse ';' separate list of strings according to the desktop spec
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*/
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EAPI Eina_List *efreet_desktop_string_list_parse(const char *string);
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/**
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* @param list Eina_List with strings
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* @return a raw string list
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* @brief Create a ';' separate list of strings according to the desktop spec
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*/
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EAPI char *efreet_desktop_string_list_join(Eina_List *list);
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/**
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* @brief Set the value for a X- field (Non spec) in the structure
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* @param desktop the desktop
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* @param key the key name to set
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* @param data the value to set
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* @return EINA_TRUE on success
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*
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* The key has to start with "X-"
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*/
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EAPI Eina_Bool efreet_desktop_x_field_set(Efreet_Desktop *desktop, const char *key, const char *data);
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/**
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* @brief Get the value for a X- field (Non spec) in the structure
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* @param desktop the desktop
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* @param key the key
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* @return The value referenced by the key, or NULL if the key does not exist
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*/
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EAPI const char * efreet_desktop_x_field_get(Efreet_Desktop *desktop, const char *key);
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/**
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* @brief Delete the key and value for a X- field (Non spec) in the structure
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* @param desktop the desktop
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* @param key the key
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* @return EINA_TRUE if the key existed
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*/
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EAPI Eina_Bool efreet_desktop_x_field_del(Efreet_Desktop *desktop, const char *key);
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/**
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* @}
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*/
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#endif
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