;; Common Lisp bindings for GTK+ v2.x
;; Copyright 2001-2006 Espen S. Johnsen <espen@users.sf.net>
;;
;; 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:
;;
;; The above copyright notice and this permission notice shall be
;; included in all copies or substantial portions of the Software.
;;
;; 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: pango.lisp,v 1.11 2006-04-26 12:40:39 espen Exp $

(in-package "PANGO")

(eval-when (:compile-toplevel :load-toplevel :execute)
  (init-types-in-library #.(concatenate 'string 
			    (pkg-variable "pango" "libdir")
		            "/libpango-1.0.so") :prefix "pango_")
  (init-types-in-library #.(concatenate 'string 
			    (pkg-variable "pango" "libdir")
		            "/libpangoxft-1.0.so") :prefix "pango_xft")
  (init-types-in-library #.(concatenate 'string 
			    (pkg-variable "pango" "libdir")
			    "/libpangoft2-1.0.so") :prefix "pango_fc"))


(eval-when (:compile-toplevel :load-toplevel :execute)
  (define-types-by-introspection "Pango")

  (defclass font-description (boxed)
    ((family
      :allocation :virtual
      :initarg :family
      :getter "pango_font_description_get_family"
      :setter "pango_font_description_set_family"
      :boundp %font-description-family-boundp
      :makunbound %font-description-family-makunbound
      :accessor font-description-family
      :type string)
     (style
      :allocation :virtual
      :initarg :style
      :getter "pango_font_description_get_style"
      :setter "pango_font_description_set_style"
      :boundp %font-description-style-boundp
      :makunbound %font-description-style-makunbound
      :accessor font-description-style
      :type style)
     (variant
      :allocation :virtual
      :initarg :variant
      :getter "pango_font_description_get_variant"
      :setter "pango_font_description_set_variant"
      :boundp %font-description-variant-boundp
      :makunbound %font-description-variant-makunbound
      :accessor font-description-variant
      :type variant)
     (weight
      :allocation :virtual
      :initarg :weight
      :getter "pango_font_description_get_weight"
      :setter "pango_font_description_set_weight"
      :boundp %font-description-weight-boundp
      :makunbound %font-description-weight-makunbound
      :accessor font-description-weight
      :type weight)
     (stretch
      :allocation :virtual
      :initarg :stretch
      :getter "pango_font_description_get_stretch"
      :setter "pango_font_description_set_stretch"
      :boundp %font-description-stretch-boundp
      :makunbound %font-description-stretch-makbound
      :accessor font-description-stretch
      :type stretch)
     (size
      :allocation :virtual
      :initarg :size
      :setter (setf font-description-size)
      :getter "pango_font_description_get_size"
      :boundp %font-description-size-boundp
      :makunbound %font-description-size-makunbound
      :reader font-description-size
      :type integer)
     #?(pkg-exists-p "pango" :atleast-version "1.8.0")
     (absolute-size-p
      :allocation :virtual
      :getter "pango_font_description_get_size_is_absolute"
      :boundp %font-description-size-boundp
      :reader font-description-size-is-absolute-p
      :type boolean))
    (:metaclass boxed-class)))


(defmethod initialize-instance ((desc font-description) &key absolute-size)
  (call-next-method)
  (when absolute-size
    (setf (font-description-size desc t) absolute-size)))

(defbinding %font-description-new () pointer)

(defmethod allocate-foreign ((desc font-description) &rest initargs)
  (declare (ignore initargs))
  (%font-description-new))

(defbinding %font-description-get-set-fields () font-mask
  (desc font-description))

(defun %font-description-family-boundp (desc)
  (find :family (%font-description-get-set-fields desc)))

(defun %font-description-style-boundp (desc)
  (find :style (%font-description-get-set-fields desc)))

(defun %font-description-variant-boundp (desc)
  (find :variant (%font-description-get-set-fields desc)))

(defun %font-description-weight-boundp (desc)
  (find :weight (%font-description-get-set-fields desc)))

(defun %font-description-stretch-boundp (desc)
  (find :stretch (%font-description-get-set-fields desc)))

(defun %font-description-size-boundp (desc)
  (find :size (%font-description-get-set-fields desc)))

(defbinding %font-description-unset-fields () nil
  (desc font-description)
  (mask font-mask))

(defun %font-description-family-makunbound (desc)
  (%font-description-unset-fields desc :family))

(defun %font-description-style-makunbound (desc)
  (%font-description-unset-fields desc :style))

(defun %font-description-variant-makunbound (desc)
  (%font-description-unset-fields desc :variant))

(defun %font-description-weight-makunbound (desc)
  (%font-description-unset-fields desc :weight))

(defun %font-description-stretch-makunbound (desc)
  (%font-description-unset-fields desc :stretch))

(defun %font-description-size-makunbound (desc)
  (%font-description-unset-fields desc :size))

(defbinding %font-description-set-size () nil
  (desc font-description)
  (size int))

#?(pkg-exists-p "pango" :atleast-version "1.8.0")
(defbinding %font-description-set-absolute-size () nil
  (desc font-description)
  (size double-float))

(defun (setf font-description-size) (size desc &optional absolute-p)
  (if absolute-p
      #?(pkg-exists-p "pango" :atleast-version "1.8.0")
      (%font-description-set-absolute-size desc size)
      #?-(pkg-exists-p "pango" :atleast-version "1.8.0")
      (error "Setting of absolute font size requires at least Pango 1.8.0")
    (%font-description-set-size desc size)))

(defbinding font-description-merge (desc merge-desc &optional replace-p) nil
  (desc font-description)
  (merge-desc font-description)
  (replace-p boolean))

(defbinding font-description-better-match () boolean
  (desc font-description)
  (old-math font-description)
  (new-math font-description))

(defbinding font-description-from-string () font-description
  (desc string))

(defbinding font-description-to-string () string
  (desc font-description))