Desktop
/* $Id: common.c,v 1.10 2009/11/15 19:00:10 khorben Exp $ */
/* Copyright (c) 2009 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Browser */
/* This program 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, version 3 of the License.
*
* This program 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/>. */
/* macros */
#define min(a, b) ((a) < (b)) ? (a) : (b)
/* prototypes */
#ifdef COMMON_DND
static int _common_drag_data_received(GdkDragContext * context,
GtkSelectionData * seldata, char * dest);
#endif
#ifdef COMMON_EXEC
static int _common_exec(char const * program, char const * flags, GList * args);
#endif
/* functions */
#ifdef COMMON_DND
/* common_drag_data_received */
static int _common_drag_data_received(GdkDragContext * context,
GtkSelectionData * seldata, char * dest)
{
int ret = 0;
size_t len;
size_t i;
GList * selection = NULL;
#ifdef DEBUG
GList * s;
#endif
if(seldata->length <= 0 || seldata->data == NULL)
return 0;
len = seldata->length;
for(i = 0; i < len; i += strlen((char*)&seldata->data[i]) + 1)
selection = g_list_append(selection, &seldata->data[i]);
#ifdef DEBUG
fprintf(stderr, "%s%s%s%s%s", "DEBUG: ",
context->suggested_action == GDK_ACTION_COPY ? "copying"
: "moving", " to \"", dest, "\":\n");
for(s = selection; s != NULL; s = s->next)
fprintf(stderr, "DEBUG: \"%s\"\n", (char*)s->data);
#else
selection = g_list_append(selection, dest);
if(context->suggested_action == GDK_ACTION_COPY)
ret = _common_exec("copy", "-iR", selection);
else if(context->suggested_action == GDK_ACTION_MOVE)
ret = _common_exec("move", "-i", selection);
#endif
g_list_free(selection);
return ret;
}
#endif /* COMMON_DND */
#ifdef COMMON_EXEC
/* common_exec */
static int _common_exec(char const * program, char const * flags, GList * args)
{
unsigned long i = flags != NULL ? 3 : 2;
char const ** argv = NULL;
pid_t pid;
GList * a;
char const ** p;
if(args == NULL)
return 0;
if((pid = fork()) == -1)
return 1;
else if(pid != 0) /* the parent returns */
return 0;
for(a = args; a != NULL; a = a->next)
{
if(a->data == NULL)
continue;
if((p = realloc(argv, sizeof(*argv) * (i + 2))) == NULL)
{
fprintf(stderr, "%s%s%s%s%s", PACKAGE ": ", program,
": ", strerror(errno), "\n");
exit(2);
}
argv = p;
argv[i++] = a->data;
}
if(argv == NULL)
exit(0);
#ifdef DEBUG
argv[0] = "echo";
#else
argv[0] = program;
#endif
argv[i] = NULL;
i = 1;
if(flags != NULL)
argv[i++] = flags;
argv[i] = "--";
execvp(argv[0], argv);
fprintf(stderr, "%s%s%s%s\n", PACKAGE ": ", argv[0], ": ", strerror(
errno));
exit(2);
}
#endif /* COMMON_EXEC */