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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* GStuff */
#include <glib.h>
#include <glib-object.h>
#include <glib/gi18n.h>
/* Indicator Stuff */
#include <libindicator/indicator.h>
#include <libindicator/indicator-object.h>
#define INDICATOR_DATETIME_TYPE (indicator_datetime_get_type ())
#define INDICATOR_DATETIME(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), INDICATOR_DATETIME_TYPE, IndicatorDatetime))
#define INDICATOR_DATETIME_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), INDICATOR_DATETIME_TYPE, IndicatorDatetimeClass))
#define IS_INDICATOR_DATETIME(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), INDICATOR_DATETIME_TYPE))
#define IS_INDICATOR_DATETIME_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), INDICATOR_DATETIME_TYPE))
#define INDICATOR_DATETIME_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), INDICATOR_DATETIME_TYPE, IndicatorDatetimeClass))
typedef struct _IndicatorDatetime IndicatorDatetime;
typedef struct _IndicatorDatetimeClass IndicatorDatetimeClass;
typedef struct _IndicatorDatetimePrivate IndicatorDatetimePrivate;
struct _IndicatorDatetimeClass {
IndicatorObjectClass parent_class;
};
struct _IndicatorDatetime {
IndicatorObject parent;
IndicatorDatetimePrivate * priv;
};
struct _IndicatorDatetimePrivate {
GtkLabel * label;
GtkMenuItem * date;
GtkMenuItem * calendar;
guint timer;
guint idle_measure;
gint max_width;
};
#define INDICATOR_DATETIME_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), INDICATOR_DATETIME_TYPE, IndicatorDatetimePrivate))
GType indicator_datetime_get_type (void);
static void indicator_datetime_class_init (IndicatorDatetimeClass *klass);
static void indicator_datetime_init (IndicatorDatetime *self);
static void indicator_datetime_dispose (GObject *object);
static void indicator_datetime_finalize (GObject *object);
static GtkLabel * get_label (IndicatorObject * io);
static GtkMenu * get_menu (IndicatorObject * io);
/* Indicator Module Config */
INDICATOR_SET_VERSION
INDICATOR_SET_TYPE(INDICATOR_DATETIME_TYPE)
G_DEFINE_TYPE (IndicatorDatetime, indicator_datetime, INDICATOR_OBJECT_TYPE);
static void
indicator_datetime_class_init (IndicatorDatetimeClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (IndicatorDatetimePrivate));
object_class->dispose = indicator_datetime_dispose;
object_class->finalize = indicator_datetime_finalize;
IndicatorObjectClass * io_class = INDICATOR_OBJECT_CLASS(klass);
io_class->get_label = get_label;
io_class->get_menu = get_menu;
return;
}
static void
indicator_datetime_init (IndicatorDatetime *self)
{
self->priv = INDICATOR_DATETIME_GET_PRIVATE(self);
self->priv->label = NULL;
self->priv->date = NULL;
self->priv->calendar = NULL;
self->priv->timer = 0;
self->priv->idle_measure = 0;
self->priv->max_width = 0;
return;
}
static void
indicator_datetime_dispose (GObject *object)
{
IndicatorDatetime * self = INDICATOR_DATETIME(object);
if (self->priv->label != NULL) {
g_object_unref(self->priv->label);
self->priv->label = NULL;
}
if (self->priv->date != NULL) {
g_object_unref(self->priv->date);
self->priv->date = NULL;
}
if (self->priv->calendar != NULL) {
g_object_unref(self->priv->calendar);
self->priv->calendar = NULL;
}
if (self->priv->timer != 0) {
g_source_remove(self->priv->timer);
self->priv->timer = 0;
}
if (self->priv->idle_measure != 0) {
g_source_remove(self->priv->idle_measure);
self->priv->idle_measure = 0;
}
G_OBJECT_CLASS (indicator_datetime_parent_class)->dispose (object);
return;
}
static void
indicator_datetime_finalize (GObject *object)
{
G_OBJECT_CLASS (indicator_datetime_parent_class)->finalize (object);
return;
}
/* Looks at the size of the label, if it grew beyond what we
thought was the max, make sure it doesn't shrink again. */
static gboolean
idle_measure (gpointer data)
{
IndicatorDatetime * self = INDICATOR_DATETIME(data);
self->priv->idle_measure = 0;
GtkAllocation allocation;
gtk_widget_get_allocation(GTK_WIDGET(self->priv->label), &allocation);
if (allocation.width > self->priv->max_width) {
if (self->priv->max_width != 0) {
g_warning("Guessed wrong. We thought the max would be %d but we're now at %d", self->priv->max_width, allocation.width);
}
self->priv->max_width = allocation.width;
gtk_widget_set_size_request(GTK_WIDGET(self->priv->label), self->priv->max_width, -1);
}
return FALSE;
}
/* Updates the label to be the current time. */
static void
update_label (IndicatorDatetime * io)
{
IndicatorDatetime * self = INDICATOR_DATETIME(io);
if (self->priv->label == NULL) return;
gchar longstr[128];
time_t t;
struct tm *ltime;
t = time(NULL);
ltime = localtime(&t);
if (ltime == NULL) {
g_debug("Error getting local time");
gtk_label_set_label(self->priv->label, _("Error getting time"));
return;
}
strftime(longstr, 128, "%I:%M %p", ltime);
gchar * utf8 = g_locale_to_utf8(longstr, -1, NULL, NULL, NULL);
gtk_label_set_label(self->priv->label, utf8);
g_free(utf8);
if (self->priv->idle_measure == 0) {
self->priv->idle_measure = g_idle_add(idle_measure, io);
}
if (self->priv->date == NULL) return;
/* Note: may require some localization tweaks */
strftime(longstr, 128, "%A, %e %B %Y", ltime);
utf8 = g_locale_to_utf8(longstr, -1, NULL, NULL, NULL);
gtk_menu_item_set_label(self->priv->date, utf8);
g_free(utf8);
return;
}
/* Runs every minute and updates the time */
gboolean
minute_timer_func (gpointer user_data)
{
IndicatorDatetime * self = INDICATOR_DATETIME(user_data);
if (self->priv->label != NULL) {
update_label(self);
return TRUE;
} else {
self->priv->timer = 0;
return FALSE;
}
return FALSE;
}
static void
activate_cb (GtkWidget *widget, const gchar *command)
{
GError * error = NULL;
if (!g_spawn_command_line_async(command, &error)) {
g_warning("Unable to start %s: %s", (char *)command, error->message);
g_error_free(error);
}
}
/* Does a quick meausre of how big the string is in
pixels with a Pango layout */
static gint
measure_string (GtkStyle * style, PangoContext * context, const gchar * string)
{
PangoLayout * layout = pango_layout_new(context);
pango_layout_set_text(layout, string, -1);
pango_layout_set_font_description(layout, style->font_desc);
gint width;
pango_layout_get_pixel_size(layout, &width, NULL);
g_object_unref(layout);
return width;
}
#define FAT_NUMBER 8
/* Try to get a good guess at what a maximum width of the entire
string would be. */
static void
guess_label_size (IndicatorDatetime * self)
{
GtkStyle * style = gtk_widget_get_style(GTK_WIDGET(self->priv->label));
PangoContext * context = gtk_widget_get_pango_context(GTK_WIDGET(self->priv->label));
/* TRANSLATORS: This string is used for measuring the size of
the font used for showing the time and is not shown to the
user anywhere. */
gchar * am_str = g_strdup_printf(_("%d%d:%d%d AM"), FAT_NUMBER, FAT_NUMBER, FAT_NUMBER, FAT_NUMBER);
gint am_width = measure_string(style, context, am_str);
g_free(am_str);
/* TRANSLATORS: This string is used for measuring the size of
the font used for showing the time and is not shown to the
user anywhere. */
gchar * pm_str = g_strdup_printf(_("%d%d:%d%d PM"), FAT_NUMBER, FAT_NUMBER, FAT_NUMBER, FAT_NUMBER);
gint pm_width = measure_string(style, context, pm_str);
g_free(pm_str);
self->priv->max_width = MAX(am_width, pm_width);
gtk_widget_set_size_request(GTK_WIDGET(self->priv->label), self->priv->max_width, -1);
g_debug("Guessing max time width: %d", self->priv->max_width);
return;
}
/* React to the style changing, which could mean an font
update. */
static void
style_changed (GtkWidget * widget, GtkStyle * oldstyle, gpointer data)
{
g_debug("New style for time label");
IndicatorDatetime * self = INDICATOR_DATETIME(data);
guess_label_size(self);
update_label(self);
return;
}
/* Grabs the label. Creates it if it doesn't
exist already */
static GtkLabel *
get_label (IndicatorObject * io)
{
IndicatorDatetime * self = INDICATOR_DATETIME(io);
/* If there's not a label, we'll build ourselves one */
if (self->priv->label == NULL) {
self->priv->label = GTK_LABEL(gtk_label_new("Time"));
g_object_ref(G_OBJECT(self->priv->label));
g_signal_connect(G_OBJECT(self->priv->label), "style-set", G_CALLBACK(style_changed), self);
guess_label_size(self);
update_label(self);
gtk_widget_show(GTK_WIDGET(self->priv->label));
}
if (self->priv->timer == 0) {
self->priv->timer = g_timeout_add_seconds(60, minute_timer_func, self);
}
return self->priv->label;
}
static void
check_for_calendar_application (IndicatorDatetime * self)
{
GtkMenuItem * item = self->priv->calendar;
g_return_if_fail (item != NULL);
gchar *evo = g_find_program_in_path("evolution");
if (evo != NULL) {
g_signal_connect (GTK_MENU_ITEM (item), "activate",
G_CALLBACK (activate_cb), "evolution -c calendar");
gtk_widget_set_sensitive (GTK_WIDGET (item), TRUE);
gtk_widget_show(GTK_WIDGET(item));
g_free(evo);
} else {
gtk_widget_hide(GTK_WIDGET(item));
}
}
static GtkMenu *
get_menu (IndicatorObject * io)
{
IndicatorDatetime * self = INDICATOR_DATETIME(io);
GtkWidget * menu = NULL;
GtkWidget * item = NULL;
menu = gtk_menu_new();
if (self->priv->date == NULL) {
item = gtk_menu_item_new_with_label("No date yet...");
gtk_widget_set_sensitive (GTK_WIDGET (item), FALSE);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
self->priv->date = GTK_MENU_ITEM (item);
update_label(self);
}
if (self->priv->calendar == NULL) {
item = gtk_menu_item_new_with_label(_("Open Calendar"));
/* insensitive until we check for available apps */
gtk_widget_set_sensitive (GTK_WIDGET (item), FALSE);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
self->priv->calendar = GTK_MENU_ITEM (item);
}
gtk_menu_shell_append (GTK_MENU_SHELL (menu),
gtk_separator_menu_item_new ());
GtkWidget *settings_mi = gtk_menu_item_new_with_label (_("Set Time and Date..."));
g_signal_connect (GTK_MENU_ITEM (settings_mi), "activate",
G_CALLBACK (activate_cb), "time-admin");
gtk_menu_shell_append (GTK_MENU_SHELL(menu), settings_mi);
gtk_widget_show(settings_mi);
/* show_all to reveal the separator */
gtk_widget_show_all(menu);
/* Note: maybe should move that to an idle loop if that helps with
boot performance */
check_for_calendar_application (self);
return GTK_MENU(menu);
}
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