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transmission/gtk/util.c

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/******************************************************************************
* $Id$
*
* Copyright (c) 2005-2008 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#include <ctype.h> /* isxdigit() */
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h> /* free() */
#include <string.h> /* strcmp() */
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h> /* g_unlink() */
#ifdef HAVE_GIO
#include <gio/gio.h> /* g_file_trash() */
#endif
#ifdef HAVE_DBUS_GLIB
#include <dbus/dbus-glib.h>
#endif
#include <libevent/evhttp.h>
#include <libtransmission/transmission.h> /* TR_RATIO_NA, TR_RATIO_INF */
#include <libtransmission/utils.h> /* tr_inf */
#include "conf.h"
#include "hig.h"
#include "tr-prefs.h"
#include "util.h"
char*
tr_strlratio( char * buf, double ratio, size_t buflen )
{
return tr_strratio( buf, buflen, ratio, "\xE2\x88\x9E" );
}
#define KILOBYTE_FACTOR 1024.0
#define MEGABYTE_FACTOR ( 1024.0 * 1024.0 )
#define GIGABYTE_FACTOR ( 1024.0 * 1024.0 * 1024.0 )
char*
tr_strlsize( char * buf,
guint64 size,
size_t buflen )
{
if( !size )
g_strlcpy( buf, _( "None" ), buflen );
#if GLIB_CHECK_VERSION( 2, 16, 0 )
else
{
char * tmp = g_format_size_for_display( size );
g_strlcpy( buf, tmp, buflen );
g_free( tmp );
}
#else
else if( size < (guint64)KILOBYTE_FACTOR )
g_snprintf( buf, buflen,
ngettext( "%'u byte", "%'u bytes",
(guint)size ), (guint)size );
else
{
gdouble displayed_size;
if( size < (guint64)MEGABYTE_FACTOR )
{
displayed_size = (gdouble) size / KILOBYTE_FACTOR;
g_snprintf( buf, buflen, _( "%'.1f KB" ), displayed_size );
}
else if( size < (guint64)GIGABYTE_FACTOR )
{
displayed_size = (gdouble) size / MEGABYTE_FACTOR;
g_snprintf( buf, buflen, _( "%'.1f MB" ), displayed_size );
}
else
{
displayed_size = (gdouble) size / GIGABYTE_FACTOR;
g_snprintf( buf, buflen, _( "%'.1f GB" ), displayed_size );
}
}
#endif
return buf;
}
char*
tr_strlspeed( char * buf,
double kb_sec,
size_t buflen )
{
const double speed = kb_sec;
if( speed < 1000.0 ) /* 0.0 KB to 999.9 KB */
g_snprintf( buf, buflen, _( "%'.1f KB/s" ), speed );
else if( speed < 102400.0 ) /* 0.98 MB to 99.99 MB */
g_snprintf( buf, buflen, _( "%'.2f MB/s" ), ( speed / KILOBYTE_FACTOR ) );
else if( speed < 1024000.0 ) /* 100.0 MB to 999.9 MB */
g_snprintf( buf, buflen, _( "%'.1f MB/s" ), ( speed / MEGABYTE_FACTOR ) );
else /* insane speeds */
g_snprintf( buf, buflen, _( "%'.2f GB/s" ), ( speed / GIGABYTE_FACTOR ) );
return buf;
}
char*
tr_strltime( char * buf,
int seconds,
size_t buflen )
{
int days, hours, minutes;
char d[128], h[128], m[128], s[128];
if( seconds < 0 )
seconds = 0;
days = seconds / 86400;
hours = ( seconds % 86400 ) / 3600;
minutes = ( seconds % 3600 ) / 60;
seconds = ( seconds % 3600 ) % 60;
g_snprintf( d, sizeof( d ), ngettext( "%'d day", "%'d days",
days ), days );
g_snprintf( h, sizeof( h ), ngettext( "%'d hour", "%'d hours",
hours ), hours );
g_snprintf( m, sizeof( m ),
ngettext( "%'d minute", "%'d minutes", minutes ), minutes );
g_snprintf( s, sizeof( s ),
ngettext( "%'d second", "%'d seconds", seconds ), seconds );
if( days )
{
if( days >= 4 || !hours )
{
g_strlcpy( buf, d, buflen );
}
else
{
g_snprintf( buf, buflen, "%s, %s", d, h );
}
}
else if( hours )
{
if( hours >= 4 || !minutes )
{
g_strlcpy( buf, h, buflen );
}
else
{
g_snprintf( buf, buflen, "%s, %s", h, m );
}
}
else if( minutes )
{
if( minutes >= 4 || !seconds )
{
g_strlcpy( buf, m, buflen );
}
else
{
g_snprintf( buf, buflen, "%s, %s", m, s );
}
}
else
{
g_strlcpy( buf, s, buflen );
}
return buf;
}
char *
gtr_localtime( time_t time )
{
const struct tm tm = *localtime( &time );
char buf[256], *eoln;
g_strlcpy( buf, asctime( &tm ), sizeof( buf ) );
if( ( eoln = strchr( buf, '\n' ) ) )
*eoln = '\0';
return g_locale_to_utf8( buf, -1, NULL, NULL, NULL );
}
int
mkdir_p( const char * path,
mode_t mode )
{
#if GLIB_CHECK_VERSION( 2, 8, 0 )
return !g_mkdir_with_parents( path, mode );
#else
return !tr_mkdirp( path, mode );
#endif
}
GSList *
dupstrlist( GSList * l )
{
GSList * ret = NULL;
for( ; l != NULL; l = l->next )
ret = g_slist_prepend( ret, g_strdup( l->data ) );
return g_slist_reverse( ret );
}
char *
joinstrlist( GSList *list,
char * sep )
{
GSList * l;
GString *gstr = g_string_new ( NULL );
for( l = list; l != NULL; l = l->next )
{
g_string_append ( gstr, (char*)l->data );
if( l->next != NULL )
g_string_append ( gstr, ( sep ) );
}
return g_string_free ( gstr, FALSE );
}
void
freestrlist( GSList *list )
{
g_slist_foreach ( list, (GFunc)g_free, NULL );
g_slist_free ( list );
}
char *
decode_uri( const char * uri )
{
gboolean in_query = FALSE;
char * ret = g_new( char, strlen( uri ) + 1 );
char * out = ret;
for( ; uri && *uri; )
{
char ch = *uri;
if( ch == '?' )
in_query = TRUE;
else if( ch == '+' && in_query )
ch = ' ';
else if( ch == '%' && isxdigit( (unsigned char)uri[1] )
&& isxdigit( (unsigned char)uri[2] ) )
{
char buf[3] = { uri[1], uri[2], '\0' };
ch = (char) g_ascii_strtoull( buf, NULL, 16 );
uri += 2;
}
++uri;
*out++ = ch;
}
*out = '\0';
return ret;
}
GSList *
checkfilenames( int argc,
char **argv )
{
int i;
GSList * ret = NULL;
char * pwd = g_get_current_dir( );
for( i = 0; i < argc; ++i )
{
char * filename = g_path_is_absolute( argv[i] )
? g_strdup ( argv[i] )
: g_build_filename( pwd, argv[i], NULL );
if( g_file_test( filename, G_FILE_TEST_EXISTS ) )
ret = g_slist_prepend( ret, filename );
else
g_free( filename );
}
g_free( pwd );
return g_slist_reverse( ret );
}
static void
onErrorResponse( GtkWidget * dialog,
int resp UNUSED,
gpointer glist )
{
GSList * list = glist;
if( list )
{
callbackfunc_t func = list->data;
gpointer user_data = list->next->data;
func( user_data );
g_slist_free( list );
}
gtk_widget_destroy( dialog );
}
static GtkWidget *
verrmsg_full( GtkWindow * wind,
callbackfunc_t func,
void * data,
const char * format,
va_list ap )
{
GtkWidget *dialog;
char * msg;
GSList * funcdata = NULL;
msg = g_strdup_vprintf( format, ap );
if( NULL == wind )
dialog = gtk_message_dialog_new(
NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", msg );
else
dialog = gtk_message_dialog_new(
wind,
GTK_DIALOG_MODAL |
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
"%s", msg );
if( func )
{
funcdata = g_slist_append( funcdata, (gpointer)func );
funcdata = g_slist_append( funcdata, data );
}
g_signal_connect( dialog, "response", G_CALLBACK(
onErrorResponse ), funcdata );
g_free( msg );
return dialog;
}
void
addTorrentErrorDialog( GtkWidget * child,
int err,
const char * filename )
{
GtkWidget * w;
GtkWidget * win;
const char * fmt;
char * secondary;
switch( err )
{
case TR_EINVALID:
fmt = _( "The torrent file \"%s\" contains invalid data." );
break;
case TR_EDUPLICATE:
fmt = _( "The torrent file \"%s\" is already in use." ); break;
default:
fmt = _(
"The torrent file \"%s\" encountered an unknown error." );
break;
}
secondary = g_strdup_printf( fmt, filename );
win = ( !child || GTK_IS_WINDOW( child ) )
? child
: gtk_widget_get_ancestor( child ? GTK_WIDGET(
child ) : NULL, GTK_TYPE_WINDOW );
w = gtk_message_dialog_new( GTK_WINDOW( win ),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
_( "Error opening torrent" ) );
gtk_message_dialog_format_secondary_text( GTK_MESSAGE_DIALOG( w ),
"%s", secondary );
g_signal_connect_swapped( w, "response",
G_CALLBACK( gtk_widget_destroy ), w );
gtk_widget_show_all( w );
g_free( secondary );
}
void
errmsg( GtkWindow * wind,
const char * format,
... )
{
GtkWidget * dialog;
va_list ap;
va_start( ap, format );
dialog = verrmsg_full( wind, NULL, NULL, format, ap );
va_end( ap );
if( NULL != wind && !GTK_WIDGET_MAPPED( GTK_WIDGET( wind ) ) )
{
g_signal_connect_swapped( wind, "map",
G_CALLBACK( gtk_widget_show ), dialog );
}
else
{
gtk_widget_show( dialog );
}
}
GtkWidget *
errmsg_full( GtkWindow * wind,
callbackfunc_t func,
void * data,
const char * format,
... )
{
GtkWidget * dialog;
va_list ap;
va_start( ap, format );
dialog = verrmsg_full( wind, func, data, format, ap );
va_end( ap );
return dialog;
}
typedef void ( PopupFunc )( GtkWidget*, GdkEventButton* );
/* pop up the context menu if a user right-clicks.
if the row they right-click on isn't selected, select it. */
gboolean
on_tree_view_button_pressed( GtkWidget * view,
GdkEventButton * event,
gpointer func )
{
GtkTreeView * tv = GTK_TREE_VIEW( view );
if( event->type == GDK_BUTTON_PRESS && event->button == 3 )
{
GtkTreeSelection * selection = gtk_tree_view_get_selection( tv );
GtkTreePath * path;
if( gtk_tree_view_get_path_at_pos ( tv,
(gint) event->x,
(gint) event->y,
&path, NULL, NULL, NULL ) )
{
if( !gtk_tree_selection_path_is_selected ( selection, path ) )
{
gtk_tree_selection_unselect_all ( selection );
gtk_tree_selection_select_path ( selection, path );
}
gtk_tree_path_free( path );
}
( (PopupFunc*)func )( view, event );
return TRUE;
}
return FALSE;
}
/* if the user clicked in an empty area of the list,
* clear all the selections. */
gboolean
on_tree_view_button_released( GtkWidget * view,
GdkEventButton * event,
gpointer unused UNUSED )
{
GtkTreeView * tv = GTK_TREE_VIEW( view );
if( !gtk_tree_view_get_path_at_pos ( tv,
(gint) event->x,
(gint) event->y,
NULL, NULL, NULL, NULL ) )
{
GtkTreeSelection * selection = gtk_tree_view_get_selection( tv );
gtk_tree_selection_unselect_all ( selection );
return TRUE;
}
return FALSE;
}
gpointer
tr_object_ref_sink( gpointer object )
{
#if GLIB_CHECK_VERSION( 2, 10, 0 )
g_object_ref_sink( object );
#else
g_object_ref( object );
gtk_object_sink( GTK_OBJECT( object ) );
#endif
return object;
}
int
tr_file_trash_or_remove( const char * filename )
{
if( filename && *filename )
{
gboolean trashed = FALSE;
#ifdef HAVE_GIO
GError * err = NULL;
GFile * file = g_file_new_for_path( filename );
trashed = g_file_trash( file, NULL, &err );
if( err )
g_message( "Unable to trash file \"%s\": %s", filename, err->message );
g_clear_error( &err );
g_object_unref( G_OBJECT( file ) );
#endif
if( !trashed && g_remove( filename ) )
{
const int err = errno;
g_message( "Unable to remove file \"%s\": %s", filename, g_strerror( err ) );
}
}
return 0;
}
char*
gtr_get_help_url( void )
{
const char * fmt = "http://www.transmissionbt.com/help/gtk/%d.%dx";
int major, minor;
sscanf( SHORT_VERSION_STRING, "%d.%d", &major, &minor );
return g_strdup_printf( fmt, major, minor / 10 );
}
void
gtr_open_file( const char * path )
{
if( path )
{
gboolean opened = FALSE;
#ifdef HAVE_GIO
if( !opened )
{
GFile * file = g_file_new_for_path( path );
char * uri = g_file_get_uri( file );
opened = g_app_info_launch_default_for_uri( uri, NULL, NULL );
g_free( uri );
g_object_unref( G_OBJECT( file ) );
}
#endif
if( !opened )
{
char * argv[] = { (char*)"xdg-open", (char*)path, NULL };
g_spawn_async( NULL, argv, NULL, G_SPAWN_SEARCH_PATH,
NULL, NULL, NULL, NULL );
}
}
}
#define VALUE_SERVICE_NAME "com.transmissionbt.Transmission"
#define VALUE_SERVICE_OBJECT_PATH "/com/transmissionbt/Transmission"
#define VALUE_SERVICE_INTERFACE "com.transmissionbt.Transmission"
gboolean
gtr_dbus_add_torrent( const char * filename )
{
static gboolean success = FALSE;
#ifdef HAVE_DBUS_GLIB
DBusGProxy * proxy = NULL;
GError * err = NULL;
DBusGConnection * conn;
if( ( conn = dbus_g_bus_get( DBUS_BUS_SESSION, &err ) ) )
proxy = dbus_g_proxy_new_for_name ( conn, VALUE_SERVICE_NAME,
VALUE_SERVICE_OBJECT_PATH,
VALUE_SERVICE_INTERFACE );
else if( err )
g_message( "err: %s", err->message );
if( proxy )
dbus_g_proxy_call( proxy, "AddFile", &err,
G_TYPE_STRING, filename,
G_TYPE_INVALID,
G_TYPE_BOOLEAN, &success,
G_TYPE_INVALID );
if( err )
g_message( "err: %s", err->message );
g_object_unref( proxy );
dbus_g_connection_unref( conn );
#endif
return success;
}
gboolean
gtr_dbus_present_window( void )
{
static gboolean success = FALSE;
#ifdef HAVE_DBUS_GLIB
DBusGProxy * proxy = NULL;
GError * err = NULL;
DBusGConnection * conn;
if( ( conn = dbus_g_bus_get( DBUS_BUS_SESSION, &err ) ) )
proxy = dbus_g_proxy_new_for_name ( conn, VALUE_SERVICE_NAME,
VALUE_SERVICE_OBJECT_PATH,
VALUE_SERVICE_INTERFACE );
else if( err )
g_message( "err: %s", err->message );
if( proxy )
dbus_g_proxy_call( proxy, "PresentWindow", &err,
G_TYPE_INVALID,
G_TYPE_BOOLEAN, &success,
G_TYPE_INVALID );
if( err )
g_message( "err: %s", err->message );
g_object_unref( proxy );
dbus_g_connection_unref( conn );
#endif
return success;
}
GtkWidget *
gtr_button_new_from_stock( const char * stock,
const char * mnemonic )
{
GtkWidget * image = gtk_image_new_from_stock( stock,
GTK_ICON_SIZE_BUTTON );
GtkWidget * button = gtk_button_new_with_mnemonic( mnemonic );
gtk_button_set_image( GTK_BUTTON( button ), image );
return button;
}
/***
****
***/
guint
gtr_timeout_add_seconds( guint seconds, GSourceFunc function, gpointer data )
{
#if GLIB_CHECK_VERSION( 2,14,0 )
return g_timeout_add_seconds( seconds, function, data );
#else
return g_timeout_add( seconds*1000, function, data );
#endif
}
void
gtr_widget_set_tooltip_text( GtkWidget * w, const char * tip )
{
#if GTK_CHECK_VERSION( 2,12,0 )
gtk_widget_set_tooltip_text( w, tip );
#else
static GtkTooltips * tips = NULL;
if( tips == NULL )
tips = gtk_tooltips_new( );
gtk_tooltips_set_tip( tips, w, tip, NULL );
#endif
}
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