-;; Common Lisp bindings for GTK+ v2.0
-;; Copyright (C) 1999-2005 Espen S. Johnsen <espen@users.sf.net>
+;; Common Lisp bindings for GTK+ v2.x
+;; Copyright 2000-2005 Espen S. Johnsen <espen@users.sf.net>
;;
-;; 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.
+;; Permission is hereby granted, free of charge, to any person obtaining
+;; a copy of this software and associated documentation files (the
+;; "Software"), to deal in the Software without restriction, including
+;; without limitation the rights to use, copy, modify, merge, publish,
+;; distribute, sublicense, and/or sell copies of the Software, and to
+;; permit persons to whom the Software is furnished to do so, subject to
+;; the following conditions:
;;
-;; 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.
+;; The above copyright notice and this permission notice shall be
+;; included in all copies or substantial portions of the Software.
;;
-;; 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
+;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-;; $Id: gdk.lisp,v 1.16 2005-04-21 12:28:20 espen Exp $
+;; $Id: gdk.lisp,v 1.24 2006-04-10 18:38:42 espen Exp $
(in-package "GDK")
;;; Cursor
-(defmethod initialize-instance ((cursor cursor) &key type mask fg bg
- (x 0) (y 0) (display (display-get-default)))
- (setf
- (slot-value cursor 'location)
- (etypecase type
- (keyword (%cursor-new-for-display display type))
- (pixbuf (%cursor-new-from-pixbuf display type x y))
- (pixmap (%cursor-new-from-pixmap type mask fg bg x y)))))
+(defmethod allocate-foreign ((cursor cursor) &key type mask fg bg
+ (x 0) (y 0) (display (display-get-default)))
+ (etypecase type
+ (keyword (%cursor-new-for-display display type))
+ (pixbuf (%cursor-new-from-pixbuf display type x y))
+ (pixmap (%cursor-new-from-pixmap type mask fg bg x y))))
(defbinding %cursor-new-for-display () pointer
;;; Color
+(defbinding %color-copy () pointer
+ (location pointer))
+
+(defmethod allocate-foreign ((color color) &rest initargs)
+ (declare (ignore color initargs))
+ ;; Color structs are allocated as memory chunks by gdk, and since
+ ;; there is no gdk_color_new we have to use this hack to get a new
+ ;; color chunk
+ (with-memory (location #.(foreign-size (find-class 'color)))
+ (%color-copy location)))
+
(defun %scale-value (value)
(etypecase value
(integer value)
%green (%scale-value green)
%blue (%scale-value blue))))
+(defbinding color-parse (spec &optional (make-instance 'color)) boolean
+ (spec string)
+ (color color :return))
+
(defun ensure-color (color)
(etypecase color
(null nil)
(color color)
(vector
- (make-instance
- 'color :red (svref color 0) :green (svref color 1)
- :blue (svref color 2)))))
+ (make-instance 'color
+ :red (svref color 0) :green (svref color 1) :blue (svref color 2)))
+ (string
+ (multiple-value-bind (succeeded-p color) (parse-color color)
+ (if succeeded-p
+ color
+ (error "Parsing color specification ~S failed." color))))))
(defbinding keyval-name () string
(keyval unsigned-int))
-(defbinding keyval-from-name () unsigned-int
+(defbinding %keyval-from-name () unsigned-int
(name string))
+(defun keyval-from-name (name)
+ "Returns the keysym value for the given key name or NIL if it is not a valid name."
+ (let ((keyval (%keyval-from-name name)))
+ (unless (zerop keyval)
+ keyval)))
+
(defbinding keyval-to-upper () unsigned-int
(keyval unsigned-int))
(defbinding (keyval-is-lower-p "gdk_keyval_is_lower") () boolean
(keyval unsigned-int))
+;;; Cairo interaction
+
+#+gtk2.8
+(progn
+ (defbinding cairo-create () cairo:context
+ (drawable drawable))
+
+ (defmacro with-cairo-context ((cr drawable) &body body)
+ `(let ((,cr (cairo-create ,drawable)))
+ (unwind-protect
+ (progn ,@body)
+ (unreference-foreign 'cairo:context (foreign-location ,cr))
+ (invalidate-instance ,cr))))
+
+ (defbinding cairo-set-source-color () nil
+ (cr cairo:context)
+ (color color))
+
+ (defbinding cairo-set-source-pixbuf () nil
+ (cr cairo:context)
+ (pixbuf pixbuf)
+ (x double-float)
+ (y double-float))
+
+ (defbinding cairo-rectangle () nil
+ (cr cairo:context)
+ (rectangle rectangle))
+
+;; (defbinding cairo-region () nil
+;; (cr cairo:context)
+;; (region region))
+)