add quick answers

1 files changed, 317 insertions, 0 deletions

diff --git a/src/services/quick-answer-service.c b/src/services/quick-answer-service.c
new file mode 100644
index 0000000..b564a16
--- /dev/null
+++ b/src/services/quick-answer-service.c
@@ -0,0 +1,317 @@
+#include "services/quick-answer-service.h"
+#include "launcher-item.h"
+#include <gdk/gdk.h>
+
+struct _FoobarQuickAnswer
+{
+	GObject parent_instance;
+	gchar* title;
+	gchar* value;
+	GIcon* icon;
+};
+
+enum
+{
+	ANSWER_PROP_VALUE = 1,
+	ANSWER_PROP_TITLE,
+	ANSWER_PROP_DESCRIPTION,
+	ANSWER_PROP_ICON,
+	N_ANSWER_PROPS,
+};
+
+static GParamSpec* answer_props[N_ANSWER_PROPS] = { 0 };
+
+static void                   foobar_quick_answer_class_init                  ( FoobarQuickAnswerClass*      klass );
+static void                   foobar_quick_answer_launcher_item_interface_init( FoobarLauncherItemInterface* iface );
+static void                   foobar_quick_answer_init                        ( FoobarQuickAnswer*           self );
+static void                   foobar_quick_answer_get_property                ( GObject*                     object,
+                                                                                guint                        prop_id,
+                                                                                GValue*                      value,
+                                                                                GParamSpec*                  pspec );
+static void                   foobar_quick_answer_finalize                    ( GObject*                     object );
+static FoobarQuickAnswer*     foobar_quick_answer_new                         ( void );
+static gchar const*           foobar_quick_answer_get_title                   ( FoobarLauncherItem*          self );
+static gchar const*           foobar_quick_answer_get_description             ( FoobarLauncherItem*          self );
+static GIcon*                 foobar_quick_answer_get_icon                    ( FoobarLauncherItem*          self );
+static void                   foobar_quick_answer_activate                    ( FoobarLauncherItem*          self );
+static void                   foobar_quick_answer_set_title                   ( FoobarQuickAnswer*           self,
+                                                                                gchar const*                 value );
+static void                   foobar_quick_answer_set_value                   ( FoobarQuickAnswer*           self,
+                                                                                gchar const*                 value );
+static void                   foobar_quick_answer_set_icon                    ( FoobarQuickAnswer*           self,
+                                                                                GIcon*                       value );
+
+G_DEFINE_FINAL_TYPE_WITH_CODE(
+	FoobarQuickAnswer,
+	foobar_quick_answer,
+	G_TYPE_OBJECT,
+	G_IMPLEMENT_INTERFACE( FOOBAR_TYPE_LAUNCHER_ITEM, foobar_quick_answer_launcher_item_interface_init ) )
+
+struct _FoobarQuickAnswerService
+{
+	GObject parent_instance;
+};
+
+static void foobar_quick_answer_service_class_init( FoobarQuickAnswerServiceClass* klass );
+static void foobar_quick_answer_service_init      ( FoobarQuickAnswerService*      self );
+
+G_DEFINE_FINAL_TYPE( FoobarQuickAnswerService, foobar_quick_answer_service, G_TYPE_OBJECT )
+
+// ---------------------------------------------------------------------------------------------------------------------
+// Quick Answers
+// ---------------------------------------------------------------------------------------------------------------------
+
+//
+// Static initialization for quick answers.
+//
+void foobar_quick_answer_class_init( FoobarQuickAnswerClass* klass )
+{
+	GObjectClass* object_klass = G_OBJECT_CLASS( klass );
+	object_klass->get_property = foobar_quick_answer_get_property;
+	object_klass->finalize = foobar_quick_answer_finalize;
+
+	gpointer launcher_item_iface = g_type_default_interface_peek( FOOBAR_TYPE_LAUNCHER_ITEM );
+	answer_props[ANSWER_PROP_VALUE] = g_param_spec_string(
+		"value",
+		"Value",
+		"The raw value of the quick answer.",
+		NULL,
+		G_PARAM_READABLE );
+	answer_props[ANSWER_PROP_TITLE] = g_param_spec_override(
+		"title",
+		g_object_interface_find_property( launcher_item_iface, "title" ) );
+	answer_props[ANSWER_PROP_DESCRIPTION] = g_param_spec_override(
+		"description",
+		g_object_interface_find_property( launcher_item_iface, "description" ) );
+	answer_props[ANSWER_PROP_ICON] = g_param_spec_override(
+		"icon",
+		g_object_interface_find_property( launcher_item_iface, "icon" ) );
+	g_object_class_install_properties( object_klass, N_ANSWER_PROPS, answer_props );
+}
+
+//
+// Static initialization of the FoobarLauncherItem interface.
+//
+void foobar_quick_answer_launcher_item_interface_init( FoobarLauncherItemInterface* iface )
+{
+	iface->get_title = foobar_quick_answer_get_title;
+	iface->get_description = foobar_quick_answer_get_description;
+	iface->get_icon = foobar_quick_answer_get_icon;
+	iface->activate = foobar_quick_answer_activate;
+}
+
+//
+// Instance initialization for quick answers.
+//
+void foobar_quick_answer_init( FoobarQuickAnswer* self )
+{
+	(void)self;
+}
+
+//
+// Property getter implementation, mapping a property id to a method.
+//
+void foobar_quick_answer_get_property(
+	GObject*    object,
+	guint       prop_id,
+	GValue*     value,
+	GParamSpec* pspec )
+{
+	FoobarQuickAnswer* self = (FoobarQuickAnswer*)object;
+
+	switch ( prop_id )
+	{
+		case ANSWER_PROP_VALUE:
+			g_value_set_string( value, foobar_quick_answer_get_value( self ) );
+			break;
+		case ANSWER_PROP_TITLE:
+			g_value_set_string( value, foobar_launcher_item_get_title( FOOBAR_LAUNCHER_ITEM ( self ) ) );
+			break;
+		case ANSWER_PROP_DESCRIPTION:
+			g_value_set_string( value, foobar_launcher_item_get_description( FOOBAR_LAUNCHER_ITEM( self ) ) );
+			break;
+		case ANSWER_PROP_ICON:
+			g_value_set_object( value, foobar_launcher_item_get_icon( FOOBAR_LAUNCHER_ITEM( self ) ) );
+			break;
+		default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID( object, prop_id, pspec );
+			break;
+	}
+}
+
+//
+// Instance cleanup for quick answers.
+//
+void foobar_quick_answer_finalize( GObject* object )
+{
+	FoobarQuickAnswer* self = (FoobarQuickAnswer*)object;
+
+	g_clear_pointer( &self->title, g_free );
+	g_clear_pointer( &self->value, g_free );
+	g_clear_object( &self->icon );
+
+	G_OBJECT_CLASS( foobar_quick_answer_parent_class )->finalize( object );
+}
+
+//
+// Create a new, default-initialized quick answer.
+//
+FoobarQuickAnswer* foobar_quick_answer_new( void )
+{
+	return g_object_new( FOOBAR_TYPE_QUICK_ANSWER, NULL );
+}
+
+//
+// Get the raw value of the quick answer.
+//
+gchar const* foobar_quick_answer_get_value( FoobarQuickAnswer* self )
+{
+	g_return_val_if_fail( FOOBAR_IS_QUICK_ANSWER( self ), NULL );
+	return self->value;
+}
+
+//
+// Get the title for the quick answer.
+//
+gchar const* foobar_quick_answer_get_title( FoobarLauncherItem* item )
+{
+	FoobarQuickAnswer* self = ( FoobarQuickAnswer* )item;
+	return self->title;
+}
+
+//
+// Get the description shown below the title, always NULL for quick answers.
+//
+gchar const* foobar_quick_answer_get_description( FoobarLauncherItem* item )
+{
+	(void)item;
+	return NULL;
+}
+
+//
+// Get an icon representing the quick answer.
+//
+GIcon* foobar_quick_answer_get_icon( FoobarLauncherItem* item )
+{
+	FoobarQuickAnswer* self = ( FoobarQuickAnswer* )item;
+	return self->icon;
+}
+
+//
+// Copy the quick answer's value into the clipboard.
+//
+void foobar_quick_answer_activate( FoobarLauncherItem* item )
+{
+	FoobarQuickAnswer* self = ( FoobarQuickAnswer* )item;
+	if ( self->value )
+	{
+		GdkClipboard* clipboard = gdk_display_get_clipboard( gdk_display_get_default( ) );
+		gdk_clipboard_set_text( clipboard, self->value );
+	}
+}
+
+//
+// Update the raw value of the quick answer.
+//
+void foobar_quick_answer_set_value(
+	FoobarQuickAnswer* self,
+	gchar const*       value )
+{
+	g_return_if_fail( FOOBAR_IS_QUICK_ANSWER( self ) );
+
+	if ( g_strcmp0( self->value, value ) )
+	{
+		g_clear_pointer( &self->value, g_free );
+		self->value = g_strdup( value );
+		g_object_notify_by_pspec( G_OBJECT( self ), answer_props[ANSWER_PROP_VALUE] );
+	}
+}
+
+//
+// Update the title for the quick answer.
+//
+void foobar_quick_answer_set_title(
+	FoobarQuickAnswer* self,
+	gchar const*       value )
+{
+	g_return_if_fail( FOOBAR_IS_QUICK_ANSWER( self ) );
+
+	if ( g_strcmp0( self->title, value ) )
+	{
+		g_clear_pointer( &self->title, g_free );
+		self->title = g_strdup( value );
+		g_object_notify_by_pspec( G_OBJECT( self ), answer_props[ANSWER_PROP_TITLE] );
+	}
+}
+
+//
+// Update the icon representing the quick answer.
+//
+void foobar_quick_answer_set_icon(
+	FoobarQuickAnswer* self,
+	GIcon*             value )
+{
+	g_return_if_fail( FOOBAR_IS_QUICK_ANSWER( self ) );
+
+	if ( self->icon != value )
+	{
+		g_clear_object( &self->icon );
+		self->icon = value ? g_object_ref( value ) : NULL;
+		g_object_notify_by_pspec( G_OBJECT( self ), answer_props[ANSWER_PROP_ICON] );
+	}
+}
+
+// ---------------------------------------------------------------------------------------------------------------------
+// Service Implementation
+// ---------------------------------------------------------------------------------------------------------------------
+
+//
+// Static initialization for the quick answer service.
+//
+void foobar_quick_answer_service_class_init( FoobarQuickAnswerServiceClass* klass )
+{
+	(void)klass;
+}
+
+//
+// Instance initialization for the quick answer service.
+//
+void foobar_quick_answer_service_init( FoobarQuickAnswerService* self )
+{
+	(void)self;
+}
+
+// ---------------------------------------------------------------------------------------------------------------------
+// Public API
+// ---------------------------------------------------------------------------------------------------------------------
+
+//
+// Create a new quick answer service instance.
+//
+FoobarQuickAnswerService* foobar_quick_answer_service_new( void )
+{
+	return g_object_new( FOOBAR_TYPE_QUICK_ANSWER_SERVICE, NULL );
+}
+
+//
+// Query the service for a quick answer.
+//
+FoobarQuickAnswer* foobar_quick_answer_service_query(
+	FoobarQuickAnswerService* self,
+	gchar const*              query )
+{
+	(void)self;
+
+	if ( !g_strcmp0(query, "2+2") )
+	{
+		g_autoptr(GIcon) icon = g_themed_icon_new("fluent-calculator-symbolic");
+
+		FoobarQuickAnswer* answer = foobar_quick_answer_new();
+		foobar_quick_answer_set_value(answer, "4");
+		foobar_quick_answer_set_title(answer, "= 4");
+		foobar_quick_answer_set_icon(answer, icon);
+		return answer;
+	}
+
+	return NULL;
+}