transmission/gtk/util.c

540 lines
15 KiB
C

/******************************************************************************
* $Id$
*
* 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 <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 )
{
if( (int)ratio == TR_RATIO_NA )
g_strlcpy( buf, _( "None" ), buflen );
else if( (int)ratio == TR_RATIO_INF )
g_strlcpy( buf, "\xE2\x88\x9E", buflen );
else if( ratio < 10.0 )
g_snprintf( buf, buflen, "%'.2f", ratio );
else if( ratio < 100.0 )
g_snprintf( buf, buflen, "%'.1f", ratio );
else
g_snprintf( buf, buflen, "%'.0f", ratio );
return buf;
}
#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/1024) );
else if( speed < 1024000.0 ) /* 100.0 MB to 999.9 MB */
g_snprintf( buf, buflen, _( "%'.1f MB/s" ), (speed/1024) );
else /* insane speeds */
g_snprintf( buf, buflen, _( "%'.2f GB/s" ), (speed/1048576) );
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 ), 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;
}
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;
}
void
tr_file_trash_or_unlink( 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 );
g_object_unref( G_OBJECT( file ) );
#endif
if( !trashed )
g_unlink( filename );
}
}
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[] = { "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;
}