X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/0f2634d21adfe672833024f98bdc4095b759113c..3494da2a2fe7551426d4fbdbce7dc21200423772:/gtk/gtkwidget.lisp

diff --git a/gtk/gtkwidget.lisp b/gtk/gtkwidget.lisp
index 920fae1..100b0e2 100644
--- a/gtk/gtkwidget.lisp
+++ b/gtk/gtkwidget.lisp
@@ -1,67 +1,108 @@
-;; Common Lisp bindings for GTK+ v2.0
-;; Copyright (C) 2000-2001 Espen S. Johnsen <espen@users.sourceforge.net>
+;; Common Lisp bindings for GTK+ v2.x
+;; Copyright 2000-2006 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: gtkwidget.lisp,v 1.6 2001-11-20 18:25:53 espen Exp $
+;; $Id: gtkwidget.lisp,v 1.30 2008-04-11 18:42:40 espen Exp $
 
 (in-package "GTK")
 
-
-(defmethod shared-initialize ((widget widget) names &rest initargs &key parent)
-  (declare (ignore initargs names))
-  (call-next-method)
+#-debug-ref-counting
+(defmethod print-object ((widget widget) stream)
+  (if (and 
+       (proxy-valid-p widget) 
+       (slot-boundp widget 'name) (not (zerop (length (widget-name widget)))))
+      (print-unreadable-object (widget stream :type t :identity nil)
+        (format stream "~S at 0x~X" 
+	 (widget-name widget) (pointer-address (foreign-location widget))))
+    (call-next-method)))
+
+(defmethod shared-initialize ((widget widget) names &key (visible nil visible-p))
+  (declare (ignore names))
+  (when (and visible-p (not visible)) ; widget explicit set as not visible
+    (setf (user-data widget 'hidden-p) t)
+    (signal-connect widget 'show 
+     #'(lambda () 
+	 (unset-user-data widget 'hidden-p))
+     :remove t))
+  (call-next-method))
+
+(defmethod shared-initialize :after ((widget widget) names &key parent visible)
+  (declare (ignore names))
+  (when visible
+    (widget-show widget))
   (when parent
-    (let ((old-parent (widget-parent widget))
-	  (parent-widget (first (mklist parent)))
-	  (args (rest (mklist parent))))
-      (when old-parent
-	(container-remove old-parent widget))
-      (apply #'container-add parent-widget widget args))))
-
-(defmethod shared-initialize :after ((widget widget) names &rest initargs
-				     &key show-all)
-  (declare (ignore initargs names))
-  (when show-all
-    (widget-show-all widget)))
-
+    (when (slot-boundp widget 'parent)
+      (container-remove (widget-parent widget) widget))
+    (destructuring-bind (parent &rest args)  (mklist parent)
+      (apply #'container-add parent widget args))))
 
-(defmethod slot-unbound ((class gobject-class) (object widget) slot)
+(defmethod slot-unbound ((class gobject-class) (object widget) 
+			 (slot (eql 'child-properties)))
   (cond
-   ((and (eq slot 'child-slots) (slot-value object 'parent))
-    (with-slots (parent child-slots) object
-      (setf
-       child-slots
-       (make-instance
-	(gethash (class-of parent) *container-to-child-class-mappings*)
+   ((slot-boundp object 'parent)
+    (with-slots (parent child-properties) object
+      (setf child-properties
+       (make-instance (find-child-class (class-of parent))
 	:parent parent :child object))))
-   (t (call-next-method))))
-
-
-(defun child-slot-value (widget slot)
-  (slot-value (widget-child-slots widget) slot))
-
-(defun (setf child-slot-value) (value widget slot)
-  (setf (slot-value (widget-child-slots widget) slot) value))
-
-(defmacro with-child-slots (slots widget &body body)
-  `(with-slots ,slots (widget-child-slots ,widget)
+   ((call-next-method))))
+
+
+(defparameter *widget-display-as-default-in-signal-handler-p* t)
+
+(defmethod compute-signal-function ((widget widget) signal function object args)
+  (let ((wrapper
+	 (if (eq object :parent)
+	     #'(lambda (&rest emission-args)
+		 (let ((all-args (nconc (rest emission-args) args)))
+		   (if (slot-boundp widget 'parent)
+		       (apply function (widget-parent widget) all-args)
+		     ;; Delay until parent is set
+		     (signal-connect widget 'parent-set
+		      #'(lambda (old-parent)
+			  (declare (ignore old-parent))
+			  (apply #'signal-emit widget signal (rest emission-args)))
+		      :remove t))))
+	   (call-next-method))))
+    (if *widget-display-as-default-in-signal-handler-p*
+	#'(lambda (&rest args)
+	    (let ((display (when (slot-boundp widget 'window)
+			     (gdk:drawable-display (widget-window widget)))))
+	      (gdk:with-default-display (display)
+	        (apply wrapper args))))
+      wrapper)))
+
+
+      
+(defun child-property-value (widget slot)
+  (slot-value (widget-child-properties widget) slot))
+
+(defun (setf child-property-value) (value widget slot)
+  (setf (slot-value (widget-child-properties widget) slot) value))
+
+(defmacro with-child-properties (slots widget &body body)
+  `(with-slots ,slots (widget-child-properties ,widget)
      ,@body))
 
-(defmacro widget-destroyed (place)
-  `(setf ,place nil))
+
+;;; Bindings
 
 (defbinding widget-destroy () nil
   (widget widget))
@@ -78,6 +119,10 @@ (defbinding widget-show-now () nil
 (defbinding widget-hide () nil
   (widget widget))
 
+(defun widget-hidden-p (widget)
+  "Return T if WIDGET has been explicit hidden during construction."
+  (user-data widget 'hidden-p))
+
 (defbinding widget-show-all () nil
   (widget widget))
 
@@ -96,10 +141,33 @@ (defbinding widget-realize () nil
 (defbinding widget-unrealize () nil
   (widget widget))
 
+(defbinding widget-queue-draw () nil
+  (widget widget))
+
+(defbinding widget-queue-resize () nil
+  (widget widget))
+
+(defbinding widget-queue-resize-no-redraw () nil
+  (widget widget))
+
+(defbinding widget-size-request
+    (widget &optional (requisition (make-instance 'requisition))) nil
+  (widget widget)
+  (requisition requisition :in/return))
+
+(defbinding widget-get-child-requisition 
+    (widget &optional (requisition (make-instance 'requisition))) nil
+  (widget widget)
+  (requisition requisition :in/return))
+
+(defbinding widget-size-allocate () nil
+  (widget widget)
+  (allocation allocation))
+
 (defbinding widget-add-accelerator
     (widget signal accel-group key modifiers flags) nil
   (widget widget)
-  ((name-to-string signal) string)
+  ((signal-name-to-string signal) string)
   (accel-group accel-group)
   ((gdk:keyval-from-name key) unsigned-int)
   (modifiers gdk:modifier-type)
@@ -112,129 +180,384 @@ (defbinding widget-remove-accelerator
   ((gdk:keyval-from-name key) unsigned-int)
   (modifiers gdk:modifier-type))
 
-(defbinding widget-accelerator-signal
-    (widget accel-group key modifiers) unsigned-int
+(defbinding widget-set-accel-path () nil
   (widget widget)
-  (accel-group accel-group)
-  ((gdk:keyval-from-name key) unsigned-int)
-  (modifiers gdk:modifier-type))
+  (accel-path string)
+  (accel-group accel-group))
 
-(defbinding widget-lock-accelerators () nil
+(defbinding widget-list-accel-closures () (glist pointer)
   (widget widget))
 
-(defbinding widget-unlock-accelerators () nil
-  (widget widget))
-
-(defbinding (widget-accelerators-locked-p "gtk_widget_accelerators_locked")
-    () boolean
-  (widget widget))
-
-(defbinding widget-event () int
+(defbinding widget-can-activate-accel-p () boolean
   (widget widget)
-  (event gdk:event))
+  (signal-id unsigned-int))
 
-(defbinding get-event-widget () widget
+(defbinding widget-event () boolean
+  (widget widget)
   (event gdk:event))
 
 (defbinding widget-activate () boolean
   (widget widget))
 
-(defbinding widget-set-scroll-adjustments () boolean
-  (widget widget)
-  (hadjustment adjustment)
-  (vadjustment adjustment))
-
 (defbinding widget-reparent () nil
   (widget widget)
   (new-parent widget))
 
-; (defbinding widget-popup () nil
-;   (widget widget)
-;   (x int)
-;   (y int))
+(defbinding %widget-intersect () boolean
+  (widget widget)
+  (area gdk:rectangle)
+  (intersection (or null gdk:rectangle)))
 
-(defbinding widget-grab-focus () nil
-  (widget widget))
+(defun widget-intersection (widget area)
+  (let ((intersection (make-instance 'gdk:rectangle)))
+    (when (%widget-intersect widget area intersection)
+      intersection)))
 
-(defbinding widget-grab-default () nil
-  (widget widget))
+(defun widget-intersect-p (widget area)
+  (%widget-intersect widget area nil))
 
-(defbinding grab-add () nil
+(defbinding widget-grab-focus () nil
   (widget widget))
 
-(defbinding grab-get-current () widget)
-
-(defbinding grab-remove () nil
+(defbinding widget-grab-default () nil
   (widget widget))
 
-(defbinding widget-allocation () nil
-  (widget widget)
-  (width int :out)
-  (height int :out))
-
 (defbinding widget-add-events () nil
   (widget widget)
   (events gdk:event-mask))
 
-(defbinding (widget-toplevel "gtk_widget_get_toplevel") () widget
+(defbinding widget-get-toplevel () widget
   (widget widget))
 
-(defbinding (widget-ancestor "gtk_widget_get_ancestor") (widget type) widget
+(defbinding widget-get-ancestor (widget type) widget
   (widget widget)
   ((find-type-number type) type-number))
 
-(defbinding (widget-pointer "gtk_widget_get_pointer") () nil
+(defbinding widget-get-pointer () nil
   (widget widget)
   (x int :out)
   (y int :out))
 
-(defbinding (widget-is-ancestor-p "gtk_widget_is_ancestor") () boolean
+(defbinding widget-is-ancestor-p () boolean
   (widget widget)
   (ancestor widget))
 
+(defbinding widget-translate-coordinates () boolean
+  (src-widget widget)
+  (dest-widget widget)
+  (src-x int) (src-y int)
+  (set-x int :out) (dest-y int :out))
+
+(defun widget-hide-on-delete (widget)
+  "Utility function; intended to be connected to the DELETE-EVENT
+signal on a WINDOW. The function calls WIDGET-HIDE on its
+argument, then returns T. If connected to DELETE-EVENT, the
+result is that clicking the close button for a window (on the window
+frame, top right corner usually) will hide but not destroy the
+window. By default, GTK+ destroys windows when DELETE-EVENT is
+received."
+  (widget-hide widget)
+  t)
+  
 (defbinding widget-ensure-style () nil
   (widget widget))
 
 (defbinding widget-reset-rc-styles () nil
   (widget widget))
 
-(defun (setf widget-cursor) (cursor-type widget)
-  (let ((cursor (gdk:cursor-new cursor-type))
-	(window (widget-window widget)))
-    (gdk:window-set-cursor window cursor)
-    ;(gdk:cursor-destroy cursor)
-    ))
-
-;; Push/pop pairs, to change default values upon a widget's creation.
-;; This will override the values that got set by the
-;; widget-set-default-* functions.
-
 (defbinding widget-push-colormap () nil
   (colormap gdk:colormap))
 
-(defbinding widget-push-composite-child () nil)
-
 (defbinding widget-pop-colormap () nil)
 
-(defbinding widget-pop-composite-child () nil)
+(defbinding %widget-set-default-colormap () nil
+  (colormap gdk:colormap))
 
+(defun (setf widget-default-colormap) (colormap)
+  (%widget-set-default-colormap colormap)
+  colormap)
 
-;; Set certain default values to be used at widget creation time.
+(defbinding (widget-default-style "gtk_widget_get_default_style") () style)
 
-(defbinding widget-set-default-colormap () nil
-  (colormap gdk:colormap))
+(defbinding (widget-default-colromap "gtk_widget_get_default_colormap") 
+    () gdk:colormap)
+
+(defbinding (widget-default-visual "gtk_widget_get_default_visual") 
+    () gdk:visual)
 
-(defbinding widget-get-default-style () style)
+(defbinding (widget-default-direction "gtk_widget_get_default_direction")
+    () text-direction)
 
-(defbinding widget-get-default-colormap () gdk:colormap)
+(defbinding %widget-set-default-direction () nil
+  (direction text-direction))
+
+(defun (setf widget-default-direction) (direction)
+  (%widget-set-default-direction direction)
+  direction)
 
 (defbinding widget-shape-combine-mask () nil
   (widget widget)
-  (shape-mask gdk:bitmap)
+  (shape-mask (or null gdk:bitmap))
   (x-offset int)
   (y-offset int))
 
-;; defined in gtkglue.c
-(defbinding widget-mapped-p () boolean
+(defun widget-path (widget)
+  (let ((subpath (list (if (and 
+			    (slot-boundp widget 'name) 
+			    (not (zerop (length (widget-name widget)))))
+			   (widget-name widget)
+			 (type-of widget)))))
+    (if (slot-boundp widget 'parent)
+	(nconc (widget-path (widget-parent widget)) subpath)
+      subpath)))
+
+(defun widget-class-path (widget)
+    (let ((subpath (list (type-of widget))))
+  (if (slot-boundp widget 'parent)
+      (nconc (widget-class-path (widget-parent widget)) subpath)
+    subpath)))
+
+
+(defun widget-path-lookup (path &optional (root (nreverse (window-list-toplevels))) (error-p t))
+  (let ((component (first path)))
+    (loop
+     for widget in (mklist root)
+     do (when (or
+	       (and 
+		(stringp component) (slot-boundp widget 'name) 
+		(string= component (widget-name widget)))
+	       (and
+		(symbolp component) (typep widget component)))
+	  (cond
+	   ((endp (rest path)) (return widget))
+	   ((typep widget 'container)
+	    (let ((descendant (widget-path-lookup (rest path) (container-children widget) nil)))
+	      (when descendant
+		(return descendant))))))))
+  (when error-p
+    (error "Widget not found: ~A" path)))
+
+
+(defun widget-find (name &optional (root (nreverse (window-list-toplevels))) (error-p t))
+  "Search for a widget with the given name. ROOT should be a container
+widget or a list of containers."
+  (loop
+   for widget in (mklist root)
+   do (cond
+       ((and (slot-boundp widget 'name) (string= name (widget-name widget)))
+	(return-from widget-find widget))
+       ((typep widget 'container)
+	(let ((descendant (widget-find name (container-children widget) nil)))
+	  (when descendant
+	    (return-from widget-find descendant))))))
+  (when error-p
+    (error "Widget not found: ~A" name)))
+
+
+(defbinding widget-modify-style () nil
+  (widget widget)
+  (style rc-style))
+
+(defbinding widget-get-modifier-style () rc-style
+  (widget widget))
+
+(defbinding widget-modify-fg () nil
+  (widget widget)
+  (state state-type)
+  (color gdk:color))
+
+(defbinding widget-modify-bg () nil
+  (widget widget)
+  (state state-type)
+  (color gdk:color))
+
+(defbinding widget-modify-text () nil
+  (widget widget)
+  (state state-type)
+  (color gdk:color))
+
+(defbinding widget-modify-base () nil
+  (widget widget)
+  (state state-type)
+  (color gdk:color))
+
+(defbinding widget-modify-font (widget font-desc) nil
+  (widget widget)
+  ((etypecase font-desc
+     (pango:font-description font-desc)
+     (string (pango:font-description-from-string font-desc)))
+   pango:font-description))
+
+(defbinding widget-create-pango-context () pango:context
+  (widget widget))
+
+(defbinding widget-get-pango-context () pango:context
+  (widget widget))
+
+(defbinding widget-create-pango-layout (widget &optional text) pango:layout
+  (widget widget)
+  (text (or string null)))
+
+(defbinding widget-render-icon (widget stock-id &optional size detail) 
+    gdk:pixbuf
+  (widget widget)
+  (stock-id string)
+  ((or size -1) (or icon-size int))
+  (detail (or null string)))
+
+(defbinding widget-push-composite-child () nil)
+
+(defbinding widget-pop-composite-child () nil)
+
+(defbinding widget-queue-draw-area () nil
+  (widget widget)
+  (x int) (y int) (width int) (height int))
+
+(defbinding widget-reset-shapes () nil
+  (widget widget))
+
+(defbinding widget-set-double-buffered () nil
+  (widget widget)
+  (double-buffered boolean))
+
+;; (defbinding widget-set-redraw-on-allocate () nil
+;;   (widget widget)
+;;   (redraw-on-allocate boolean))
+
+(defbinding widget-set-scroll-adjustments () boolean
+  (widget widget)
+  (hadjustment (or null adjustment))
+  (vadjustment (or null adjustment)))
+
+(defbinding widget-mnemonic-activate () boolean
+  (widget widget)
+  (group-cycling boolean))
+
+(defbinding widget-class-find-style-property (class name) param
+  ((type-class-peek class) pointer)
+  (name string))
+
+(defbinding widget-class-list-style-properties (class)
+    (vector (copy-of param) n-properties)
+  ((type-class-peek class) pointer)
+  (n-properties unsigned-int :out))
+
+(defbinding widget-region-intersect () pointer ;gdk:region
+  (widget widget)
+  (region pointer)) ;gdk:region))
+
+(defbinding widget-send-expose () boolean
+  (widget widget)
+  (event gdk:event))
+
+(defbinding %widget-style-get-property () nil
+  (widget widget)
+  (name string)
+  (value gvalue))
+
+(defun style-property-value (widget style)
+  (let* ((name (string-downcase style))
+	 (param (widget-class-find-style-property (class-of widget) name)))
+    (if (not param)
+	(error "~A has no such style property: ~A" widget style)
+      (with-gvalue (gvalue (param-value-type param))
+        (%widget-style-get-property widget (string-downcase style) gvalue)))))
+
+(defbinding widget-get-accessible () atk:object
+  (widget widget))
+
+(defbinding widget-child-focus () boolean
+  (widget widget)
+  (direction direction-type))
+
+(defbinding widget-child-notify () nil
+  (widget widget)
+  (child-property string))
+
+(defbinding widget-freeze-child-notify () nil
+  (widget widget))
+
+(defbinding widget-get-clipboard () clipboard
+  (widget widget)
+  (selection int #|gdk:atom|#))
+
+(defbinding widget-get-display () gdk:display
+  (widget widget))
+
+(defbinding widget-get-root-window () gdk:window
+  (widget widget))
+
+(defbinding widget-get-screen () gdk:screen
+  (widget widget))
+
+(defbinding widget-has-screen-p () boolean
+  (widget widget))
+
+(defbinding %widget-get-size-request () nil
+  (widget widget)
+  (width int :out)
+  (height int :out))
+
+(defun widget-get-size-request (widget)
+  (multiple-value-bind (width height) (%widget-get-size-request widget)
+     (values (unless (= width -1) width) (unless (= height -1) height))))
+
+(defbinding widget-set-size-request (widget width height) nil
+  (widget widget)
+  ((or width -1) int)
+  ((or height -1) int))
+
+(defbinding widget-thaw-child-notify () nil
+  (widget widget))
+
+(defbinding widget-list-mnemonic-labels () (glist widget)
+  (widget widget))
+
+(defbinding widget-add-mnemonic-label () nil
+  (widget widget)
+  (label widget))
+
+(defbinding widget-remove-mnemonic-label () nil
+  (widget widget)
+  (label widget))
+
+
+;;; Additional bindings and functions
+
+(defbinding %widget-flags () int
+  (widget widget))
+
+(defun widget-flags (widget)
+  (let ((flags (%widget-flags widget)))
+    (nconc 
+     (int-to-object-flags flags)
+     (int-to-widget-flags flags))))
+
+(defun widget-mapped-p (widget)
+  (find :mapped (widget-flags widget)))
+
+(defun widget-realized-p (widget)
+  (find :realized (widget-flags widget)))
+
+(defbinding widget-get-size-allocation () nil
+  (widget widget)
+  (width int :out)
+  (height int :out))
+
+(defbinding get-event-widget () widget
+  (event gdk:event))
+
+(defun (setf widget-cursor) (cursor-type widget)
+  (warn "(SETF WIDGET-CURSOR) is deprecated, use WIDGET-SET-CURSOR instead")
+  (widget-set-cursor widget cursor-type))
+
+(defun widget-set-cursor (widget cursor &rest args)
+  (gdk:window-set-cursor (widget-window widget) 
+   (apply #'gdk:ensure-cursor cursor args)))
+
+(defbinding %widget-get-parent-window () gdk:window
   (widget widget))
 
+(defun %widget-parent-window (widget)
+  (when (slot-boundp widget 'parent)
+    (%widget-get-parent-window widget)))