DeforaOS/Browser
DeforaOS/Browser
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Browser/src/common.c

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/* $Id$ */
/* Copyright (c) 2008-2015 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/>. */
#include <stdio.h>
#include <libintl.h>
/* macros */
#ifndef _
# define _(string) gettext(string)
#endif
#define min(a, b) ((a) < (b)) ? (a) : (b)
/* prototypes */
#ifdef COMMON_CONFIG_FILENAME
static String * _common_config_filename(String const * name);
#endif
#ifdef COMMON_DND
static int _common_drag_data_received(GdkDragContext * context,
GtkSelectionData * seldata, char const * dest);
#endif
#ifdef COMMON_EXEC
static int _common_exec(char const * program, char const * flags, GList * args);
#endif
#ifdef COMMON_GET_ABSOLUTE_PATH
static char * _common_get_absolute_path(char const * path);
#endif
#ifdef COMMON_SIZE
static char const * _common_size(off_t size);
#endif
#ifdef COMMON_SYMLINK
static int _common_symlink(GtkWidget * window, char const * cur);
#endif
/* functions */
#ifdef COMMON_CONFIG_FILENAME
static String * _common_config_filename(String const * name)
{
char const * homedir;
if((homedir = getenv("HOME")) == NULL)
homedir = g_get_home_dir();
return string_new_append(homedir, "/", name, NULL);
}
#endif
#ifdef COMMON_DND
/* common_drag_data_received */
static int _common_drag_data_received(GdkDragContext * context,
GtkSelectionData * seldata, char const * dest)
{
int ret = 0;
size_t len;
size_t i;
GList * selection = NULL;
char * p;
GdkDragAction action;
#ifdef DEBUG
GList * s;
#endif
#if GTK_CHECK_VERSION(2, 14, 0)
if(gtk_selection_data_get_length(seldata) <= 0
|| gtk_selection_data_get_data(seldata) == NULL)
return 0;
len = gtk_selection_data_get_length(seldata);
#else
if(seldata->length <= 0 || seldata->data == NULL)
return 0;
len = seldata->length;
#endif
for(i = 0; i < len; i += strlen(p) + 1)
{
#if GTK_CHECK_VERSION(2, 14, 0)
p = (char *)gtk_selection_data_get_data(seldata);
p = &p[i];
#else
p = (char *)&seldata->data[i];
#endif
selection = g_list_append(selection, p);
}
#if GTK_CHECK_VERSION(2, 22, 0)
action = gdk_drag_context_get_suggested_action(context);
#else
action = context->suggested_action;
#endif
#ifdef DEBUG
fprintf(stderr, "%s%s%s%s%s", "DEBUG: ", action == GDK_ACTION_COPY
? _("copying") : _("moving"), _(" to \""), dest,
"\":\n");
for(s = selection; s != NULL; s = s->next)
fprintf(stderr, "DEBUG: \"%s\"\n", (char const *)s->data);
#else
selection = g_list_append(selection, (char *)dest); /* XXX */
if(action == GDK_ACTION_COPY)
ret = _common_exec("copy", "-iR", selection);
else if(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)
{
int ret = 0;
unsigned long i = (flags != NULL) ? 3 : 2;
char ** argv = NULL;
GList * a;
char ** p;
GError * error = NULL;
if(args == NULL)
return 0;
for(a = args; a != NULL; a = a->next)
{
if(a->data == NULL)
continue;
if((p = realloc(argv, sizeof(*argv) * (i + 2))) == NULL)
break;
argv = p;
argv[i++] = a->data;
}
if(a != NULL)
{
free(argv);
return -error_set_code(1, "%s: %s", program, strerror(errno));
}
if(argv == NULL)
return 0;
#ifdef DEBUG
argv[0] = strdup("echo");
#else
argv[0] = strdup(program);
#endif
if(argv[0] == NULL)
{
free(argv);
return -error_set_code(1, "%s: %s", program, strerror(errno));
}
argv[i] = NULL;
i = 0;
if(flags != NULL)
argv[++i] = strdup(flags); /* XXX may fail too */
argv[i + 1] = "--";
if(g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
NULL, &error) != TRUE)
{
ret = error_set_code(1, "%s", error->message);
g_error_free(error);
}
free(argv[0]);
if(flags != NULL)
free(argv[i]);
return ret;
}
#endif /* COMMON_EXEC */
#ifdef COMMON_GET_ABSOLUTE_PATH
/* common_get_absolute_path */
static char * _common_get_absolute_path(char const * path)
{
char * p;
char * cur;
size_t i;
if(path == NULL)
return NULL;
if(g_path_is_absolute(path))
{
if((p = strdup(path)) == NULL)
return NULL;
}
else
{
cur = g_get_current_dir();
p = g_build_filename(cur, path, NULL);
g_free(cur);
}
/* replace "/./" by "/" */
for(i = strlen(p); (cur = strstr(p, "/./")) != NULL; i = strlen(p))
memmove(cur, &cur[2], (p + i) - (cur + 1));
/* replace "//" by "/" */
for(i = strlen(p); (cur = strstr(p, "//")) != NULL; i = strlen(p))
memmove(cur, &cur[1], (p + i) - (cur));
/* remove single dots at the end of the address */
i = strlen(p);
if(i >= 2 && strcmp(&p[i - 2], "/.") == 0)
p[i - 1] = '\0';
/* trim slashes in the end if relevant */
if(string_compare(p, "/") != 0)
string_rtrim(p, "/");
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\") => \"%s\"\n", __func__, path, p);
#endif
return p;
}
#endif /* COMMON_GET_ABSOLUTE_PATH */
#ifdef COMMON_SIZE
/* common_size */
static char const * _common_size(off_t size)
{
static char buf[16];
double sz = size;
char * unit;
if(sz < 1024)
{
snprintf(buf, sizeof(buf), "%.0f %s", sz, _("bytes"));
return buf;
}
else if((sz /= 1024) < 1024)
unit = N_("kB");
else if((sz /= 1024) < 1024)
unit = N_("MB");
else if((sz /= 1024) < 1024)
unit = N_("GB");
else
{
sz /= 1024;
unit = N_("TB");
}
snprintf(buf, sizeof(buf), "%.1f %s", sz, _(unit));
return buf;
}
#endif
#ifdef COMMON_SYMLINK
/* common_symlink */
static int _common_symlink(GtkWidget * window, char const * cur)
{
static char const * newsymlink = NULL;
int ret = 0;
size_t len;
char * path;
GtkWidget * dialog;
GtkWidget * hbox;
GtkWidget * widget;
char const * to = NULL;
if(newsymlink == NULL)
newsymlink = _("New symbolic link");
len = strlen(cur) + strlen(newsymlink) + 2;
if((path = malloc(len)) == NULL)
return 1;
snprintf(path, len, "%s/%s", cur, newsymlink);
dialog = gtk_dialog_new_with_buttons(newsymlink,
(window != NULL) ? GTK_WINDOW(window) : NULL,
GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK, NULL);
if(window == NULL)
gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
#if GTK_CHECK_VERSION(3, 0, 0)
hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
#else
hbox = gtk_hbox_new(FALSE, 0);
#endif
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);
#if GTK_CHECK_VERSION(2, 14, 0)
gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(
dialog))), hbox, TRUE, TRUE, 4);
#else
gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), hbox, TRUE, TRUE,
4);
#endif
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 */
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