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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 <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <signal.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <libevent/evhttp.h>
#include "tr_prefs.h"
#include "tr_torrent.h"
#include "conf.h"
#include "util.h"
static void
errcb(GtkWidget *wind, int resp, gpointer data);
int
tr_strcmp( const char * a, const char * b )
{
if( a && b ) return strcmp( a, b );
if( a ) return 1;
if( b ) return -1;
return 0;
}
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;
}
char*
tr_strlsize( char * buf, guint64 size, size_t buflen )
{
if( !size )
g_strlcpy( buf, _( "None" ), buflen );
else {
static const char *units[] = {
N_("B"), N_("KiB"), N_("MiB"), N_("GiB"), N_("TiB"),
N_("PiB"), N_("EiB"), N_("ZiB"), N_("YiB")
};
unsigned int i;
double small = size;
for( i=0; i<G_N_ELEMENTS(units) && (small>=1024.0); ++i )
small /= 1024.0;
if( i < 2 ) /* B & KiB */
g_snprintf( buf, buflen, "%d %s", (int)small, _(units[i]) );
else
g_snprintf( buf, buflen, "%.1f %s", small, _(units[i]) );
}
return buf;
}
char*
tr_strlspeed( char * buf, double KiBps, size_t buflen )
{
const guint64 bps = KiBps * 1024;
if( !bps )
g_strlcpy( buf, _( "None" ), buflen );
else {
char bbuf[64];
tr_strlsize( bbuf, (guint64)(KiBps*1024), sizeof(bbuf) );
g_snprintf( buf, buflen, _("%s/s"), bbuf );
}
return buf;
}
#define SECONDS(s) ((s) % 60)
#define MINUTES(s) ((s) / 60 % 60)
#define HOURS(s) ((s) / 60 / 60 % 24)
#define DAYS(s) ((s) / 60 / 60 / 24 % 7)
char*
tr_strltime( char * buf, int secs, size_t buflen )
{
if( secs < 60 )
{
g_snprintf( buf, buflen, _( "%i %s" ),
SECONDS(secs), ngettext("sec", "secs", SECONDS(secs)));
}
else if( secs < 60*60 )
{
g_snprintf( buf, buflen, _("%i %s %i %s"),
MINUTES(secs), ngettext("min", "mins", MINUTES(secs)),
SECONDS(secs), ngettext("sec", "secs", SECONDS(secs)));
}
else if( secs < 60*60*24 )
{
g_snprintf( buf, buflen, _("%i %s %i %s"),
HOURS(secs), ngettext("hr", "hrs", HOURS(secs)),
MINUTES(secs), ngettext("min", "mins", MINUTES(secs)));
}
else
{
g_snprintf( buf, buflen, _("%i %s %i %s"),
DAYS(secs), ngettext("day", "days", DAYS(secs)),
HOURS(secs), ngettext("hr", "hrs", HOURS(secs)));
}
return buf;
}
char *
rfc822date (guint64 epoch_msec)
{
const time_t secs = epoch_msec / 1000;
const struct tm tm = *localtime (&secs);
char buf[128];
strftime( buf, sizeof(buf), "%a, %d %b %Y %T %Z", &tm );
return g_locale_to_utf8( buf, -1, NULL, NULL, NULL );
}
gboolean
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
}
GList *
dupstrlist( GList * l )
{
GList * ret = NULL;
for( ; l!=NULL; l=l->next )
ret = g_list_prepend( ret, g_strdup( l->data ) );
return g_list_reverse( ret );
}
char *
joinstrlist(GList *list, char *sep)
{
GList *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(GList *list)
{
g_list_foreach (list, (GFunc)g_free, NULL);
g_list_free (list);
}
char *
decode_uri( const char * uri )
{
char * filename = evhttp_decode_uri( uri );
char * ret = g_strdup( filename );
free( filename );
return ret;
}
GList *
checkfilenames( int argc, char **argv )
{
int i;
GList * 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_list_append( ret, filename );
else
g_free( filename );
}
g_free( pwd );
return ret;
}
char *
getdownloaddir( void )
{
static char * wd = NULL;
char * dir = pref_string_get( PREF_KEY_DIR_DEFAULT );
if ( dir == NULL ) {
if( wd == NULL )
wd = g_get_current_dir();
dir = g_strdup( wd );
}
return dir;
}
/**
* don't use more than 50% the height of the screen, nor 80% the width.
* but don't be too small, either -- set the minimums to 500 x 300
*/
void
sizingmagic( GtkWindow * wind,
GtkScrolledWindow * scroll,
GtkPolicyType hscroll,
GtkPolicyType vscroll )
{
int width;
int height;
GtkRequisition req;
GdkScreen * screen = gtk_widget_get_screen( GTK_WIDGET( wind ) );
gtk_scrolled_window_set_policy( scroll, GTK_POLICY_NEVER,
GTK_POLICY_NEVER );
gtk_widget_size_request( GTK_WIDGET( wind ), &req );
req.height = MAX( req.height, 300 );
height = MIN( req.height, gdk_screen_get_height( screen ) / 5 * 4 );
gtk_scrolled_window_set_policy( scroll, GTK_POLICY_NEVER, vscroll );
gtk_widget_size_request( GTK_WIDGET( wind ), &req );
req.width = MAX( req.width, 500 );
width = MIN( req.width, gdk_screen_get_width( screen ) / 2 );
gtk_window_set_default_size( wind, width, height );
gtk_scrolled_window_set_policy( scroll, hscroll, vscroll );
}
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;
}
GtkWidget *
verrmsg_full( GtkWindow * wind, callbackfunc_t func, void * data,
const char * format, va_list ap )
{
GtkWidget *dialog;
char *msg;
GList *funcdata;
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(NULL == func)
funcdata = NULL;
else
funcdata = g_list_append(g_list_append(NULL, (void *) func), data);
g_signal_connect(dialog, "response", G_CALLBACK(errcb), funcdata);
g_free(msg);
return dialog;
}
static void
errcb(GtkWidget *widget, int resp UNUSED, gpointer data) {
GList *funcdata;
callbackfunc_t func;
if(NULL != data) {
funcdata = g_list_first(data);
func = (callbackfunc_t) funcdata->data;
data = funcdata->next->data;
func(data);
g_list_free(funcdata);
}
gtk_widget_destroy(widget);
}
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;
}
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