diff options
Diffstat (limited to 'src/services/quick-answer-service.c')
| -rw-r--r-- | src/services/quick-answer-service.c | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/src/services/quick-answer-service.c b/src/services/quick-answer-service.c deleted file mode 100644 index 670a72f..0000000 --- a/src/services/quick-answer-service.c +++ /dev/null @@ -1,360 +0,0 @@ -#include "services/quick-answer-service.h" -#include "services/quick-answers/math.h" -#include "launcher-item.h" -#include <gdk/gdk.h> - -// -// FoobarQuickAnswer: -// -// A launcher item representing a quick, one-line answer to the query entered by the user. -// - -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 ) ) - -// -// FoobarQuickAnswerService: -// -// Service providing quick answers for search queries in the launcher (if available). This includes evaluating -// mathematical expressions. -// - -struct _FoobarQuickAnswerService -{ - GObject parent_instance; -}; - -static void foobar_quick_answer_service_class_init( FoobarQuickAnswerServiceClass* klass ); -static void foobar_quick_answer_service_init ( FoobarQuickAnswerService* self ); -static FoobarQuickAnswer* foobar_quick_answer_service_query_math( gchar const* query ); - -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; - - FoobarQuickAnswer* result = foobar_quick_answer_service_query_math( query ); - if ( result ) { return result; } - - return NULL; -} - -// -// Try to parse the query as a mathematical expression and evaluate it. -// -FoobarQuickAnswer* foobar_quick_answer_service_query_math( gchar const* query ) -{ - FoobarQuickAnswer* result = NULL; - - gsize token_count; - g_autofree FoobarMathToken* tokens = foobar_math_lex( query, strlen( query ), &token_count ); - if ( tokens ) - { - FoobarMathExpression* expr = foobar_math_parse( tokens, token_count ); - if ( expr ) - { - // foobar_math_expression_print( expr, 0 ); - - FoobarMathValue val = { 0 }; - if ( foobar_math_evaluate( expr, &val ) ) - { - g_autofree gchar* value = foobar_math_value_to_string( val ); - g_autofree gchar* title = g_strdup_printf( "= %s", value ); - g_autoptr( GIcon ) icon = g_themed_icon_new( "fluent-calculator-symbolic" ); - result = foobar_quick_answer_new( ); - foobar_quick_answer_set_value( result, value ); - foobar_quick_answer_set_title( result, title ); - foobar_quick_answer_set_icon( result, icon ); - foobar_math_value_free( val ); - } - - foobar_math_expression_free( expr ); - } - } - - return result; -} |