X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/fa60e0a229ccf07429187357b2c2dee1b189c5a4..3494da2a2fe7551426d4fbdbce7dc21200423772:/gtk/gtkwidget.lisp diff --git a/gtk/gtkwidget.lisp b/gtk/gtkwidget.lisp index f7dad25..100b0e2 100644 --- a/gtk/gtkwidget.lisp +++ b/gtk/gtkwidget.lisp @@ -1,26 +1,41 @@ -;; Common Lisp bindings for GTK+ v2.0 -;; Copyright (C) 2000-2002 Espen S. Johnsen +;; Common Lisp bindings for GTK+ v2.x +;; Copyright 2000-2006 Espen S. Johnsen ;; -;; 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 1.16 2005-02-22 23:12:06 espen Exp $ +;; $Id: gtkwidget.lisp,v 1.30 2008-04-11 18:42:40 espen Exp $ (in-package "GTK") +#-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 @@ -29,8 +44,10 @@ (defmethod shared-initialize ((widget widget) names &key (visible nil visible-p) :remove t)) (call-next-method)) -(defmethod shared-initialize :after ((widget widget) names &key parent) +(defmethod shared-initialize :after ((widget widget) names &key parent visible) (declare (ignore names)) + (when visible + (widget-show widget)) (when parent (when (slot-boundp widget 'parent) (container-remove (widget-parent widget) widget)) @@ -43,35 +60,36 @@ (defmethod slot-unbound ((class gobject-class) (object widget) ((slot-boundp object 'parent) (with-slots (parent child-properties) object (setf child-properties - (make-instance - (gethash (class-of parent) *container-to-child-class-mappings*) + (make-instance (find-child-class (class-of parent)) :parent parent :child object)))) ((call-next-method)))) -(defmethod slot-boundp-using-class ((class gobject-class) (object widget) slot) - (or - (and - (eq (slot-definition-name slot) 'child-properties) - (slot-boundp object 'parent)) - (call-next-method))) - -(defmethod compute-signal-function ((widget widget) signal function object) - (if (eq object :parent) - #'(lambda (&rest args) - (if (slot-boundp widget 'parent) - (apply function (widget-parent widget) (rest args)) - ;; Delay until parent is set - (signal-connect widget 'parent-set - #'(lambda (old-parent) - (declare (ignore old-parent)) - (let ((*signal-stop-emission* - #'(lambda () - (warn "Ignoring emission stop in delayed signal handler")))) - (apply function (widget-parent widget) (rest args)))) - :remove t) -; (warn "Widget has no parent -- ignoring signal") - )) - (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)) @@ -135,12 +153,12 @@ (defbinding widget-queue-resize-no-redraw () nil (defbinding widget-size-request (widget &optional (requisition (make-instance 'requisition))) nil (widget widget) - (requisition requisition :return)) + (requisition requisition :in/return)) (defbinding widget-get-child-requisition (widget &optional (requisition (make-instance 'requisition))) nil (widget widget) - (requisition requisition :return)) + (requisition requisition :in/return)) (defbinding widget-size-allocate () nil (widget widget) @@ -149,7 +167,7 @@ (defbinding widget-size-allocate () nil (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) @@ -283,17 +301,58 @@ (defbinding widget-shape-combine-mask () nil (x-offset int) (y-offset int)) -(defbinding widget-path () nil - (widget widget) - (path-length int :out) - (path string :out) - (reverse-path string :out)) +(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-class-path () nil - (widget widget) - (path-length int :out) - (path string :out) - (reverse-path string :out)) (defbinding widget-modify-style () nil (widget widget) @@ -322,10 +381,12 @@ (defbinding widget-modify-base () nil (state state-type) (color gdk:color)) -(defbinding widget-modify-font () nil +(defbinding widget-modify-font (widget font-desc) nil (widget widget) - (state state-type) - (font-desc pango:font-description)) + ((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)) @@ -355,9 +416,9 @@ (defbinding widget-queue-draw-area () nil (defbinding widget-reset-shapes () nil (widget widget)) -;; (defbinding widget-set-double-buffered () nil -;; (widget widget) -;; (double-buffered boolean)) +(defbinding widget-set-double-buffered () nil + (widget widget) + (double-buffered boolean)) ;; (defbinding widget-set-redraw-on-allocate () nil ;; (widget widget) @@ -463,9 +524,21 @@ (defbinding widget-remove-mnemonic-label () nil ;;; Additional bindings and functions -(defbinding (widget-mapped-p "gtk_widget_mapped_p") () boolean +(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) @@ -475,8 +548,12 @@ (defbinding get-event-widget () widget (event gdk:event)) (defun (setf widget-cursor) (cursor-type widget) - (let ((cursor (make-instance 'gdk:cursor :type cursor-type))) - (gdk:window-set-cursor (widget-window widget) cursor))) + (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))