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#include "widgets/panel/panel-item-clock.h"
//
// FoobarPanelItemClock:
//
// A panel item displaying the current time in the format configured by the user.
//
struct _FoobarPanelItemClock
{
FoobarPanelItem parent_instance;
gchar* format;
FoobarPanelItemAction action;
GtkWidget* label;
GtkWidget* button;
FoobarClockService* clock_service;
};
static void foobar_panel_item_clock_class_init ( FoobarPanelItemClockClass* klass );
static void foobar_panel_item_clock_init ( FoobarPanelItemClock* self );
static void foobar_panel_item_clock_finalize ( GObject* object );
static void foobar_panel_item_clock_handle_clicked( GtkButton* button,
gpointer userdata );
static gchar* foobar_panel_item_clock_compute_label ( GtkExpression* expression,
GDateTime* time,
gpointer userdata );
G_DEFINE_FINAL_TYPE( FoobarPanelItemClock, foobar_panel_item_clock, FOOBAR_TYPE_PANEL_ITEM )
// ---------------------------------------------------------------------------------------------------------------------
// Panel Item Implementation
// ---------------------------------------------------------------------------------------------------------------------
//
// Static initialization for clock panel items.
//
void foobar_panel_item_clock_class_init( FoobarPanelItemClockClass* klass )
{
GObjectClass* object_klass = G_OBJECT_CLASS( klass );
object_klass->finalize = foobar_panel_item_clock_finalize;
}
//
// Instance initialization for clock panel items.
//
void foobar_panel_item_clock_init( FoobarPanelItemClock* self )
{
self->label = gtk_label_new( NULL );
gtk_label_set_justify( GTK_LABEL( self->label ), GTK_JUSTIFY_CENTER );
self->button = gtk_button_new( );
gtk_button_set_has_frame( GTK_BUTTON( self->button ), FALSE );
gtk_button_set_child( GTK_BUTTON( self->button ), self->label );
gtk_widget_set_halign( self->button, GTK_ALIGN_CENTER );
gtk_widget_set_valign( self->button, GTK_ALIGN_CENTER );
g_signal_connect(
self->button,
"clicked",
G_CALLBACK( foobar_panel_item_clock_handle_clicked ),
self );
gtk_widget_add_css_class( GTK_WIDGET( self ), "clock" );
foobar_panel_item_set_child( FOOBAR_PANEL_ITEM( self ), self->button );
}
//
// Instance cleanup for clock panel items.
//
void foobar_panel_item_clock_finalize( GObject* object )
{
FoobarPanelItemClock* self = (FoobarPanelItemClock*)object;
g_clear_pointer( &self->format, g_free );
g_clear_object( &self->clock_service );
G_OBJECT_CLASS( foobar_panel_item_clock_parent_class )->finalize( object );
}
// ---------------------------------------------------------------------------------------------------------------------
// Public API
// ---------------------------------------------------------------------------------------------------------------------
//
// Create a new clock panel item with the given configuration.
//
FoobarPanelItem* foobar_panel_item_clock_new(
FoobarPanelItemConfiguration const* config,
FoobarClockService* clock_service )
{
g_return_val_if_fail( config != NULL, NULL );
g_return_val_if_fail( foobar_panel_item_configuration_get_kind( config ) == FOOBAR_PANEL_ITEM_KIND_CLOCK, NULL );
g_return_val_if_fail( FOOBAR_IS_CLOCK_SERVICE( clock_service ), NULL );
FoobarPanelItemClock* self = g_object_new( FOOBAR_TYPE_PANEL_ITEM_CLOCK, NULL );
self->format = g_strdup( foobar_panel_item_clock_configuration_get_format( config ) );
self->action = foobar_panel_item_configuration_get_action( config );
self->clock_service = g_object_ref( clock_service );
gtk_widget_set_sensitive( self->button, self->action != FOOBAR_PANEL_ITEM_ACTION_NONE );
{
GtkExpression* service_expr = gtk_constant_expression_new( FOOBAR_TYPE_CLOCK_SERVICE, self->clock_service );
GtkExpression* time_expr = gtk_property_expression_new( FOOBAR_TYPE_CLOCK_SERVICE, service_expr, "time" );
GtkExpression* label_params[] = { time_expr };
GtkExpression* label_expr = gtk_cclosure_expression_new(
G_TYPE_STRING,
NULL,
G_N_ELEMENTS( label_params ),
label_params,
G_CALLBACK( foobar_panel_item_clock_compute_label ),
self,
NULL );
gtk_expression_bind( label_expr, self->label, "label", NULL );
}
return FOOBAR_PANEL_ITEM( self );
}
// ---------------------------------------------------------------------------------------------------------------------
// Signal Handlers
// ---------------------------------------------------------------------------------------------------------------------
//
// Called when the button was clicked.
//
void foobar_panel_item_clock_handle_clicked(
GtkButton* button,
gpointer userdata )
{
(void)button;
FoobarPanelItemClock* self = (FoobarPanelItemClock*)userdata;
foobar_panel_item_invoke_action( FOOBAR_PANEL_ITEM( self ), self->action );
}
// ---------------------------------------------------------------------------------------------------------------------
// Value Converters
// ---------------------------------------------------------------------------------------------------------------------
//
// Derive the label from a timestamp, depending on the configured time format.
//
gchar* foobar_panel_item_clock_compute_label(
GtkExpression* expression,
GDateTime* time,
gpointer userdata )
{
(void)expression;
FoobarPanelItemClock* self = (FoobarPanelItemClock*)userdata;
return g_date_time_format( time, self->format );
}
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