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1 | ;; Common Lisp bindings for GTK+ v2.x |
2 | ;; Copyright 1999-2005 Espen S. Johnsen <espen@users.sf.net> |
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3 | ;; |
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4 | ;; Permission is hereby granted, free of charge, to any person obtaining |
5 | ;; a copy of this software and associated documentation files (the |
6 | ;; "Software"), to deal in the Software without restriction, including |
7 | ;; without limitation the rights to use, copy, modify, merge, publish, |
8 | ;; distribute, sublicense, and/or sell copies of the Software, and to |
9 | ;; permit persons to whom the Software is furnished to do so, subject to |
10 | ;; the following conditions: |
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11 | ;; |
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12 | ;; The above copyright notice and this permission notice shall be |
13 | ;; included in all copies or substantial portions of the Software. |
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14 | ;; |
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15 | ;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
16 | ;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
17 | ;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
18 | ;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
19 | ;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
20 | ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
21 | ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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22 | |
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23 | ;; $Id: gtkobject.lisp,v 1.33 2006/02/28 16:34:37 espen Exp $ |
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24 | |
25 | |
26 | (in-package "GTK") |
27 | |
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28 | |
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29 | ;;;; Superclass for the gtk class hierarchy |
30 | |
31 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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32 | (init-types-in-library |
33 | #.(concatenate 'string (pkg-config:pkg-variable "gtk+-2.0" "libdir") |
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34 | "/libgtk-x11-2.0.so")) |
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35 | |
36 | (defclass %object (gobject) |
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37 | () |
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38 | (:metaclass gobject-class) |
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39 | (:gtype |gtk_object_get_type|))) |
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40 | |
41 | |
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42 | (defmethod initialize-instance ((object %object) &rest initargs &key signal) |
43 | (declare (ignore signal)) |
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44 | (call-next-method) |
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45 | (dolist (signal-definition (get-all initargs :signal)) |
46 | (apply #'signal-connect object signal-definition))) |
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47 | |
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48 | (defmethod initialize-instance :around ((object %object) &rest initargs) |
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49 | (declare (ignore initargs)) |
50 | (call-next-method) |
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51 | ;; Add a temorary reference which will be removed when the object is |
52 | ;; sinked |
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53 | (reference-foreign (class-of object) (foreign-location object)) |
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54 | (%object-sink object)) |
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55 | |
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56 | (defbinding %object-sink () nil |
57 | (object %object)) |
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58 | |
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59 | ;;;; Main loop and event handling |
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60 | |
61 | (declaim (inline events-pending-p main-iteration)) |
62 | |
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63 | (defbinding events-pending-p () boolean) |
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64 | |
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65 | (defbinding get-current-event () gdk:event) |
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66 | |
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67 | (defbinding main-do-event () nil |
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68 | (event gdk:event)) |
69 | |
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70 | (defbinding main () nil) |
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71 | |
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72 | (defbinding main-level () int) |
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73 | |
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74 | (defbinding main-quit () nil) |
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75 | |
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76 | (defbinding main-iteration-do (&optional (blocking t)) boolean |
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77 | (blocking boolean)) |
78 | |
79 | (defun main-iterate-all (&rest args) |
80 | (declare (ignore args)) |
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81 | (loop |
82 | while (events-pending-p) |
83 | do (main-iteration-do nil))) |
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84 | |
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85 | |
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86 | ;;;; Metaclass for child classes |
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87 | |
88 | (defvar *container-to-child-class-mappings* (make-hash-table)) |
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89 | |
90 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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91 | (defclass child-class (virtual-slots-class) |
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92 | ()) |
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93 | |
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94 | (defclass direct-child-slot-definition (direct-virtual-slot-definition) |
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95 | ((pname :reader slot-definition-pname :initarg :pname))) |
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96 | |
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97 | (defclass effective-child-slot-definition (effective-virtual-slot-definition) |
98 | ((pname :reader slot-definition-pname :initarg :pname))) |
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99 | |
100 | |
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101 | (defmethod shared-initialize ((class child-class) names &key container) |
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102 | (call-next-method) |
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103 | (setf |
104 | (gethash (find-class (first container)) *container-to-child-class-mappings*) |
105 | class)) |
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106 | |
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107 | (defmethod direct-slot-definition-class ((class child-class) &rest initargs) |
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108 | (case (getf initargs :allocation) |
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109 | (:property (find-class 'direct-child-slot-definition)) |
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110 | (t (call-next-method)))) |
111 | |
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112 | (defmethod effective-slot-definition-class ((class child-class) &rest initargs) |
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113 | (case (getf initargs :allocation) |
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114 | (:property (find-class 'effective-child-slot-definition)) |
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115 | (t (call-next-method)))) |
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116 | |
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117 | (defmethod compute-effective-slot-definition-initargs ((class child-class) direct-slotds) |
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118 | (if (eq (slot-definition-allocation (first direct-slotds)) :property) |
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119 | (nconc |
120 | (list :pname (most-specific-slot-value direct-slotds 'pname)) |
121 | (call-next-method)) |
122 | (call-next-method))) |
123 | |
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124 | |
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125 | (defmethod initialize-internal-slot-functions ((slotd effective-child-slot-definition)) |
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126 | (let ((type (slot-definition-type slotd)) |
127 | (pname (slot-definition-pname slotd))) |
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128 | (setf |
129 | (slot-value slotd 'getter) |
130 | #'(lambda (object) |
131 | (with-slots (parent child) object |
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132 | (let ((gvalue (gvalue-new type))) |
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133 | (%container-child-get-property parent child pname gvalue) |
134 | (unwind-protect |
135 | (funcall (reader-function type) gvalue +gvalue-value-offset+) |
136 | (gvalue-free gvalue t)))))) |
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137 | |
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138 | (setf |
139 | (slot-value slotd 'setter) |
140 | #'(lambda (value object) |
141 | (with-slots (parent child) object |
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142 | (let ((gvalue (gvalue-new type))) |
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143 | (funcall (writer-function type) value gvalue +gvalue-value-offset+) |
144 | (%container-child-set-property parent child pname gvalue) |
145 | (gvalue-free gvalue t) |
146 | value))))) |
147 | |
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148 | (call-next-method))) |
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149 | |
150 | |
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151 | (defmethod add-reader-method ((class child-class) generic-function slot-name) |
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152 | (add-method |
153 | generic-function |
154 | (make-instance 'standard-method |
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155 | :specializers (list (find-class 'widget)) |
156 | :lambda-list '(widget) |
157 | :function #'(lambda (args next-methods) |
158 | (declare (ignore next-methods)) |
159 | (child-property-value (first args) slot-name))))) |
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160 | |
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161 | (defmethod add-writer-method |
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162 | ((class child-class) generic-function slot-name) |
163 | (add-method |
164 | generic-function |
165 | (make-instance 'standard-method |
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166 | :specializers (list (find-class t) (find-class 'widget)) |
167 | :lambda-list '(value widget) |
168 | :function #'(lambda (args next-methods) |
169 | (declare (ignore next-methods)) |
170 | (destructuring-bind (value widget) args |
171 | (setf (child-property-value widget slot-name) value)))))) |
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172 | |
173 | |
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174 | (defmethod validate-superclass ((class child-class) (super standard-class)) |
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175 | ;(subtypep (class-name super) 'container-child) |
176 | t) |
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177 | |
178 | |
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179 | (defclass container-child () |
180 | ((parent :initarg :parent :type container) |
181 | (child :initarg :child :type widget))) |
182 | |
183 | |
184 | ;;;; |
185 | |
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186 | (defbinding %container-class-list-child-properties () pointer |
187 | (class pointer) |
188 | (n-properties unsigned-int :out)) |
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189 | |
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190 | (defun query-container-class-child-properties (type-number) |
191 | (let ((class (type-class-ref type-number))) |
192 | (multiple-value-bind (array length) |
193 | (%container-class-list-child-properties class) |
194 | (unwind-protect |
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195 | (map-c-vector 'list #'identity array 'param length) |
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196 | (deallocate-memory array))))) |
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197 | |
198 | (defun default-container-child-name (container-class) |
199 | (intern (format nil "~A-CHILD" container-class))) |
200 | |
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201 | (defun expand-container-type (type forward-p options) |
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202 | (let* ((class (type-from-number type)) |
203 | (super (supertype type)) |
204 | (child-class (default-container-child-name class))) |
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205 | (if forward-p |
206 | (expand-gobject-type type t options) |
207 | `(progn |
208 | ,(expand-gobject-type type nil options) |
209 | (defclass ,child-class (,(default-container-child-name super)) |
210 | ,(slot-definitions child-class |
211 | (query-container-class-child-properties type) nil) |
212 | (:metaclass child-class) |
213 | (:container ,class)))))) |
214 | |
215 | |
216 | (register-derivable-type 'container "GtkContainer" 'expand-container-type 'gobject-dependencies) |