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/* $Id: common.c,v 1.11 2010/03/25 18:25:39 khorben Exp $ */

/* 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 */

#ifdef COMMON_SYMLINK

/* common_symlink */

static int _common_symlink(GtkWidget * window, char const * cur)

{

static char const newsymlink[] = "New symbolic link";

int ret = 0;

char * path;

GtkWidget * dialog;

GtkWidget * hbox;

GtkWidget * widget;

char const * to = NULL;

if((path = malloc(strlen(cur) + sizeof(newsymlink) + 1)) == NULL)

return 1;

sprintf(path, "%s/%s", cur, newsymlink);

dialog = gtk_dialog_new_with_buttons("New symbolic link",

GTK_WINDOW(window),

GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,

GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,

GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);

hbox = gtk_hbox_new(FALSE, 0);

widget = gtk_label_new("Destination: ");

gtk_box_pack_start(GTK_BOX(hbox), widget, FALSE, TRUE, 4);

widget = gtk_entry_new();

gtk_box_pack_start(GTK_BOX(hbox), widget, TRUE, TRUE, 4);

gtk_widget_show_all(hbox);

gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox, TRUE, TRUE,

4);

if(gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_OK)

to = gtk_entry_get_text(GTK_ENTRY(widget));

if(to != NULL && strlen(to) > 0 && symlink(to, path) != 0)

ret = 1;

gtk_widget_destroy(dialog);

free(path);

return ret;

}

#endif /* COMMON_SYMLINK */