;; Common Lisp bindings for GTK+ v2.0 ;; Copyright (C) 1999-2001 Espen S. Johnsen ;; ;; This library is free software; you can redistribute it and/or ;; modify it under the terms of the GNU Lesser General Public ;; License as published by the Free Software Foundation; either ;; version 2 of the License, or (at your option) any later version. ;; ;; This library is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;; Lesser General Public License for more details. ;; ;; You should have received a copy of the GNU Lesser General Public ;; License along with this library; if not, write to the Free Software ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ;; $Id: gtkobject.lisp,v 1.19 2004-11-06 21:39:58 espen Exp $ (in-package "GTK") ;;;; Misc utils ; (defun name-to-string (name) ; (substitute #\_ #\- (string-downcase (string name)))) ; (defun string-to-name (name &optional (package "KEYWORD")) ; (intern (substitute #\- #\_ (string-upcase name)) package)) ;;;; Superclass for the gtk class hierarchy (eval-when (:compile-toplevel :load-toplevel :execute) (init-types-in-library #.(concatenate 'string (pkg-config:pkg-variable "gtk+-2.0" "libdir") "/libgtk-x11-2.0.so") :ignore ("gtk_window_get_type_hint")) (defclass %object (gobject) () (:metaclass gobject-class) (:alien-name "GtkObject"))) (defmethod initialize-instance ((object %object) &rest initargs &key signal) (declare (ignore signal)) (call-next-method) (reference-foreign (class-of object) (proxy-location object)) (dolist (signal-definition (get-all initargs :signal)) (apply #'signal-connect object signal-definition))) (defmethod initialize-instance :around ((object %object) &rest initargs) (declare (ignore initargs)) (call-next-method) (%object-sink object)) (defbinding %object-sink () nil (object %object)) ;;;; Main loop, timeouts and idle functions (declaim (inline events-pending-p main-iteration)) (defbinding (events-pending-p "gtk_events_pending") () boolean) (defbinding get-current-event () gdk:event) (defbinding main-do-event () nil (event gdk:event)) (defbinding main () nil) (defbinding main-level () int) (defbinding main-quit () nil) (defbinding main-iteration-do (&optional (blocking t)) boolean (blocking boolean)) (defun main-iterate-all (&rest args) (declare (ignore args)) (when (events-pending-p) (main-iteration-do nil) (main-iterate-all))) ;;;; Metaclass for child classes (defvar *container-to-child-class-mappings* (make-hash-table)) (eval-when (:compile-toplevel :load-toplevel :execute) (defclass child-class (virtual-slots-class) ()) (defclass direct-child-slot-definition (direct-virtual-slot-definition) ((pname :reader slot-definition-pname :initarg :pname))) (defclass effective-child-slot-definition (effective-virtual-slot-definition) ((pname :reader slot-definition-pname :initarg :pname))) (defmethod shared-initialize ((class child-class) names &key container) (call-next-method) (setf (gethash (find-class (first container)) *container-to-child-class-mappings*) class)) (defmethod direct-slot-definition-class ((class child-class) &rest initargs) (case (getf initargs :allocation) (:property (find-class 'direct-child-slot-definition)) (t (call-next-method)))) (defmethod effective-slot-definition-class ((class child-class) &rest initargs) (case (getf initargs :allocation) (:property (find-class 'effective-child-slot-definition)) (t (call-next-method)))) (defmethod compute-effective-slot-definition-initargs ((class child-class) direct-slotds) (if (eq (most-specific-slot-value direct-slotds 'allocation) :property) (nconc (list :pname (most-specific-slot-value direct-slotds 'pname)) (call-next-method)) (call-next-method))) (progn (declaim (optimize (ext:inhibit-warnings 3))) (defun %container-child-get-property (parent child pname gvalue)) (defun %container-child-set-property (parent child pname gvalue))) (defmethod initialize-internal-slot-functions ((slotd effective-child-slot-definition)) (let* ((type (slot-definition-type slotd)) (pname (slot-definition-pname slotd)) (type-number (find-type-number type))) (unless (slot-boundp slotd 'reader-function) (setf (slot-value slotd 'reader-function) #'(lambda (object) (with-slots (parent child) object (let ((gvalue (gvalue-new type-number))) (%container-child-get-property parent child pname gvalue) (unwind-protect (funcall (reader-function type) gvalue +gvalue-value-offset+) (gvalue-free gvalue t))))))) (unless (slot-boundp slotd 'writer-function) (setf (slot-value slotd 'writer-function) #'(lambda (value object) (with-slots (parent child) object (let ((gvalue (gvalue-new type-number))) (funcall (writer-function type) value gvalue +gvalue-value-offset+) (%container-child-set-property parent child pname gvalue) ;; (funcall ;; (destroy-function type) ;; gvalue +gvalue-value-offset+) (gvalue-free gvalue t) value))))) (unless (slot-boundp slotd 'boundp-function) (setf (slot-value slotd 'boundp-function) #'(lambda (object) (declare (ignore object)) t)))) (call-next-method))) (defmethod pcl::add-reader-method ((class child-class) generic-function slot-name) (add-method generic-function (make-instance 'standard-method :specializers (list (find-class 'widget)) :lambda-list '(widget) :function #'(lambda (args next-methods) (declare (ignore next-methods)) (child-slot-value (first args) slot-name))))) (defmethod pcl::add-writer-method ((class child-class) generic-function slot-name) (add-method generic-function (make-instance 'standard-method :specializers (list (find-class t) (find-class 'widget)) :lambda-list '(value widget) :function #'(lambda (args next-methods) (declare (ignore next-methods)) (destructuring-bind (value widget) args (setf (child-slot-value widget slot-name) value)))))) (defmethod validate-superclass ((class child-class) (super pcl::standard-class)) ;(subtypep (class-name super) 'container-child) t) (defclass container-child () ((parent :initarg :parent :type container) (child :initarg :child :type widget))) ;;;; (defbinding %container-class-list-child-properties () pointer (class pointer) (n-properties unsigned-int :out)) (defun query-container-class-child-properties (type-number) (let ((class (type-class-ref type-number))) (multiple-value-bind (array length) (%container-class-list-child-properties class) (unwind-protect (map-c-vector 'list #'identity array 'param length) (deallocate-memory array))))) (defun default-container-child-name (container-class) (intern (format nil "~A-CHILD" container-class))) (defun expand-container-type (type &optional options) (let* ((class (type-from-number type)) (super (supertype type)) (child-class (default-container-child-name class))) `(progn ,(expand-gobject-type type options) (defclass ,child-class (,(default-container-child-name super)) ,(slot-definitions child-class (query-container-class-child-properties type) nil) (:metaclass child-class) (:container ,class))))) (register-derivable-type 'container "GtkContainer" 'expand-container-type)