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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 1.39 2006-09-05 13:23:40 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." asdf:*dso-extension*)) |
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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 | (funcall (reference-function '%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 | |
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61 | (defbinding events-pending-p () boolean) |
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62 | |
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63 | (defbinding get-current-event () gdk:event) |
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64 | |
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65 | (defbinding main-do-event () nil |
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66 | (event gdk:event)) |
67 | |
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68 | (defbinding main () nil) |
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69 | |
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70 | (defbinding main-level () int) |
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71 | |
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72 | (defbinding main-quit () nil) |
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73 | |
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74 | (defbinding main-iteration-do (&optional (blocking t)) boolean |
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75 | (blocking boolean)) |
76 | |
77 | (defun main-iterate-all (&rest args) |
78 | (declare (ignore args)) |
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79 | (loop |
80 | while (events-pending-p) |
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81 | do (main-iteration-do nil)) |
82 | #+clisp 0) |
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83 | |
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84 | |
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85 | ;;;; Metaclass for child classes |
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86 | |
87 | (defvar *container-to-child-class-mappings* (make-hash-table)) |
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88 | |
89 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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90 | (defclass container-child-class (virtual-slots-class) |
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91 | ()) |
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92 | |
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93 | (defclass direct-child-slot-definition (direct-virtual-slot-definition) |
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94 | ((pname :reader slot-definition-pname :initarg :pname))) |
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95 | |
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96 | (defclass effective-child-slot-definition (effective-virtual-slot-definition) |
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97 | ((pname :reader slot-definition-pname :initarg :pname)))) |
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98 | |
99 | |
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100 | (defmethod shared-initialize ((class container-child-class) names &key container) |
101 | (declare (ignore names)) |
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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*) |
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105 | class) |
106 | #+clisp |
107 | (loop |
108 | for slotd in (class-direct-slots class) |
109 | when (typep slotd 'direct-child-slot-definition) |
110 | do (loop |
111 | for reader in (slot-definition-readers slotd) |
112 | do (add-reader-method class |
113 | (ensure-generic-function reader :lambda-list '(object)) |
114 | (slot-definition-name slotd))) |
115 | (loop |
116 | for writer in (slot-definition-writers slotd) |
117 | do (add-writer-method class |
118 | (ensure-generic-function writer :lambda-list '(value object)) |
119 | (slot-definition-name slotd))))) |
120 | |
121 | (defmethod direct-slot-definition-class ((class container-child-class) &rest initargs) |
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122 | (case (getf initargs :allocation) |
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123 | (:property (find-class 'direct-child-slot-definition)) |
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124 | (t (call-next-method)))) |
125 | |
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126 | (defmethod effective-slot-definition-class ((class container-child-class) &rest initargs) |
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127 | (case (getf initargs :allocation) |
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128 | (:property (find-class 'effective-child-slot-definition)) |
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129 | (t (call-next-method)))) |
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130 | |
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131 | (defmethod compute-effective-slot-definition-initargs ((class container-child-class) direct-slotds) |
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132 | (if (eq (slot-definition-allocation (first direct-slotds)) :property) |
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133 | (nconc |
134 | (list :pname (most-specific-slot-value direct-slotds 'pname)) |
135 | (call-next-method)) |
136 | (call-next-method))) |
137 | |
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138 | (defmethod slot-readable-p ((slotd effective-child-slot-definition)) |
139 | (declare (ignore slotd)) |
140 | t) |
141 | |
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142 | (defmethod compute-slot-reader-function ((slotd effective-child-slot-definition) &optional signal-unbound-p) |
143 | (declare (ignore signal-unbound-p)) |
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144 | (let* ((type (slot-definition-type slotd)) |
145 | (pname (slot-definition-pname slotd)) |
146 | (reader (reader-function type :ref :get))) |
147 | #'(lambda (object) |
148 | (with-slots (parent child) object |
149 | (with-memory (gvalue +gvalue-size+) |
150 | (glib::%gvalue-init gvalue (find-type-number type)) |
151 | (%container-child-get-property parent child pname gvalue) |
152 | (funcall reader gvalue +gvalue-value-offset+)))))) |
153 | |
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154 | (defmethod slot-writable-p ((slotd effective-child-slot-definition)) |
155 | (declare (ignore slotd)) |
156 | t) |
157 | |
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158 | (defmethod compute-slot-writer-function ((slotd effective-child-slot-definition)) |
159 | (let* ((type (slot-definition-type slotd)) |
160 | (pname (slot-definition-pname slotd)) |
161 | (writer (writer-function type :temp t)) |
162 | (destroy (destroy-function type :temp t))) |
163 | #'(lambda (value object) |
164 | (with-slots (parent child) object |
165 | (with-memory (gvalue +gvalue-size+) |
166 | (glib::%gvalue-init gvalue (find-type-number type)) |
167 | (funcall writer value gvalue +gvalue-value-offset+) |
168 | (%container-child-set-property parent child pname gvalue) |
169 | (funcall destroy gvalue +gvalue-value-offset+)) |
170 | value)))) |
171 | |
172 | |
173 | (defmethod add-reader-method ((class container-child-class) generic-function slot-name) |
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174 | (add-method |
175 | generic-function |
176 | (make-instance 'standard-method |
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177 | :specializers (list (find-class 'widget)) |
178 | :lambda-list '(widget) |
179 | :function #'(lambda (args next-methods) |
180 | (declare (ignore next-methods)) |
181 | (child-property-value (first args) slot-name))))) |
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182 | |
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183 | (defmethod add-writer-method ((class container-child-class) generic-function slot-name) |
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184 | (add-method |
185 | generic-function |
186 | (make-instance 'standard-method |
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187 | :specializers (list (find-class t) (find-class 'widget)) |
188 | :lambda-list '(value widget) |
189 | :function #'(lambda (args next-methods) |
190 | (declare (ignore next-methods)) |
191 | (destructuring-bind (value widget) args |
192 | (setf (child-property-value widget slot-name) value)))))) |
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193 | |
194 | |
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195 | (defmethod validate-superclass ((class container-child-class) (super standard-class)) |
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196 | ;(subtypep (class-name super) 'container-child) |
197 | t) |
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198 | |
199 | |
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200 | (defclass container-child (virtual-slots-object) |
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201 | ((parent :initarg :parent :type container) |
202 | (child :initarg :child :type widget))) |
203 | |
204 | |
205 | ;;;; |
206 | |
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207 | (defbinding %container-class-list-child-properties () pointer |
208 | (class pointer) |
209 | (n-properties unsigned-int :out)) |
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210 | |
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211 | (defun query-container-class-child-properties (type-number) |
212 | (let ((class (type-class-ref type-number))) |
213 | (multiple-value-bind (array length) |
214 | (%container-class-list-child-properties class) |
215 | (unwind-protect |
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216 | (map-c-vector 'list #'identity array 'param length) |
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217 | (deallocate-memory array))))) |
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218 | |
219 | (defun default-container-child-name (container-class) |
220 | (intern (format nil "~A-CHILD" container-class))) |
221 | |
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222 | (defun expand-container-type (type forward-p options) |
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223 | (let* ((class (type-from-number type)) |
224 | (super (supertype type)) |
225 | (child-class (default-container-child-name class))) |
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226 | (if forward-p |
227 | (expand-gobject-type type t options) |
228 | `(progn |
229 | ,(expand-gobject-type type nil options) |
230 | (defclass ,child-class (,(default-container-child-name super)) |
231 | ,(slot-definitions child-class |
232 | (query-container-class-child-properties type) nil) |
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233 | (:metaclass container-child-class) |
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234 | (:container ,class)))))) |
235 | |
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236 | (defun container-child-class (container-class) |
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237 | (gethash container-class *container-to-child-class-mappings*)) |
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238 | |
239 | (register-derivable-type 'container "GtkContainer" 'expand-container-type 'gobject-dependencies) |