mc/gnome/gmetadata.c

95 lines
2.3 KiB
C

/* Convenience functions for metadata handling in the MIdnight Commander
*
* Copyright (C) 1998 The Free Software Foundation
*
* Author: Federico Mena <federico@nuclecu.unam.mx>
*/
#include <config.h>
#include "global.h"
#include <libgnome/libgnome.h>
#include "gmetadata.h"
#include <sys/stat.h>
#include "../vfs/vfs.h"
#define ICON_POSITION "icon-position"
/**
* gmeta_get_icon_pos
* @filename: The file under ~/desktop for which to get the icon position
* @x: The x position will be stored here. Must be non-NULL.
* @y: The y position will be stored here. Must be non-NULL.
*
* Checks if the specified file has an icon position associated to it. If so, returns TRUE and
* fills in the x and y values. Otherwise it returns FALSE and x and y are not modified.
*
* Icon position information is expected to be saved using the gmeta_set_icon_pos() function.
*/
int
gmeta_get_icon_pos (char *filename, int *x, int *y)
{
int size;
char *buf;
int tx, ty;
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (x != NULL, FALSE);
g_return_val_if_fail (y != NULL, FALSE);
if (gnome_metadata_get (filename, ICON_POSITION, &size, &buf) != 0)
return FALSE;
if (!buf){
g_warning ("Invalid metadata for \"%s\"'s icon position, using auto-placement", filename);
return FALSE;
}
if ((sscanf (buf, "%d%d", &tx, &ty) != 2)) {
g_free (buf);
return FALSE;
}
g_free (buf);
*x = tx;
*y = ty;
return TRUE;
}
/**
* gmeta_set_icon_pos
* @filename: The file for which to save icon position information
* @x: X position of the icon
* @y: Y position of the icon
*
* Saves the icon position information for the specified file. This is expected to be read back
* using the gmeta_get_icon_pos() function.
*/
void
gmeta_set_icon_pos (char *filename, int x, int y)
{
char buf[100];
g_return_if_fail (filename != NULL);
g_snprintf (buf, sizeof (buf), "%d %d", x, y);
if (gnome_metadata_set (filename, ICON_POSITION, strlen (buf) + 1, buf) != 0)
g_warning ("Error setting the icon position metadata for \"%s\"", filename);
}
/**
* gmeta_del_icon_pos:
* @filename: A filename
*
* Deletes the icon position metadata for a file.
**/
void
gmeta_del_icon_pos (char *filename)
{
g_return_if_fail (filename != NULL);
gnome_metadata_remove (filename, ICON_POSITION);
}