;;; wid-edit.el --- Functions for creating and using widgets -*-byte-compile-dynamic: t;-*-
;;
-;; Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
;;
;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
;; Maintainer: FSF
:type 'face
:group 'widget-faces)
-(defface widget-field-face '((((class grayscale color)
+;; TTY gets special definitions here and in the next defface, because
+;; the gray colors defined for other displays cause black text on a black
+;; background, at least on light-background TTYs.
+(defface widget-field-face '((((type tty))
+ (:background "yellow3"))
+ (((class grayscale color)
(background light))
(:background "gray85"))
(((class grayscale color)
"Face used for editable fields."
:group 'widget-faces)
-(defface widget-single-line-field-face '((((class grayscale color)
+(defface widget-single-line-field-face '((((type tty))
+ (:background "green3"))
+ (((class grayscale color)
(background light))
(:background "gray85"))
(((class grayscale color)
"Invoke the button that the mouse is pointing at."
(interactive "@e")
(if (widget-event-point event)
- (save-excursion
- (mouse-set-point event)
- (let* ((pos (widget-event-point event))
- (button (get-char-property pos 'button)))
- (if button
- (let* ((overlay (widget-get button :button-overlay))
- (face (overlay-get overlay 'face))
- (mouse-face (overlay-get overlay 'mouse-face)))
- (unwind-protect
- (let ((track-mouse t))
- (save-excursion
- (when face ; avoid changing around image
- (overlay-put overlay
- 'face widget-button-pressed-face)
- (overlay-put overlay
- 'mouse-face widget-button-pressed-face))
- (unless (widget-apply button :mouse-down-action event)
- (while (not (widget-button-release-event-p event))
- (setq event (read-event)
- pos (widget-event-point event))
- (if (and pos
- (eq (get-char-property pos 'button)
- button))
- (when face
- (overlay-put overlay
- 'face
- widget-button-pressed-face)
- (overlay-put overlay
- 'mouse-face
- widget-button-pressed-face))
- (overlay-put overlay 'face face)
- (overlay-put overlay 'mouse-face mouse-face))))
- (when (and pos
- (eq (get-char-property pos 'button) button))
- (widget-apply-action button event))))
- (overlay-put overlay 'face face)
- (overlay-put overlay 'mouse-face mouse-face)))
- (let ((up t)
- command)
- ;; Find the global command to run, and check whether it
- ;; is bound to an up event.
+ (let* ((pos (widget-event-point event))
+ (button (get-char-property pos 'button)))
+ (if button
+ ;; Mouse click on a widget button. Do the following
+ ;; in a save-excursion so that the click on the button
+ ;; doesn't change point.
+ (save-selected-window
+ (save-excursion
+ (mouse-set-point event)
+ (let* ((overlay (widget-get button :button-overlay))
+ (face (overlay-get overlay 'face))
+ (mouse-face (overlay-get overlay 'mouse-face)))
+ (unwind-protect
+ ;; Read events, including mouse-movement events
+ ;; until we receive a release event. Highlight/
+ ;; unhighlight the button the mouse was initially
+ ;; on when we move over it.
+ (let ((track-mouse t))
+ (save-excursion
+ (when face ; avoid changing around image
+ (overlay-put overlay
+ 'face widget-button-pressed-face)
+ (overlay-put overlay
+ 'mouse-face widget-button-pressed-face))
+ (unless (widget-apply button :mouse-down-action event)
+ (while (not (widget-button-release-event-p event))
+ (setq event (read-event)
+ pos (widget-event-point event))
+ (if (and pos
+ (eq (get-char-property pos 'button)
+ button))
+ (when face
+ (overlay-put overlay
+ 'face
+ widget-button-pressed-face)
+ (overlay-put overlay
+ 'mouse-face
+ widget-button-pressed-face))
+ (overlay-put overlay 'face face)
+ (overlay-put overlay 'mouse-face mouse-face))))
+
+ ;; When mouse is released over the button, run
+ ;; its action function.
+ (when (and pos
+ (eq (get-char-property pos 'button) button))
+ (widget-apply-action button event))))
+ (overlay-put overlay 'face face)
+ (overlay-put overlay 'mouse-face mouse-face))))
+
+ (unless (pos-visible-in-window-p (widget-event-point event))
+ (mouse-set-point event)
+ (beginning-of-line)
+ (recenter)))
+
+ (let ((up t) command)
+ ;; Mouse click not on a widget button. Find the global
+ ;; command to run, and check whether it is bound to an
+ ;; up event.
+ (mouse-set-point event)
(if (memq (event-basic-type event) '(mouse-1 down-mouse-1))
(cond ((setq command ;down event
(lookup-key widget-global-map [down-mouse-1]))
(setq event (read-event))))
(when command
(call-interactively command)))))
- (unless (pos-visible-in-window-p (widget-event-point event))
- (mouse-set-point event)
- (beginning-of-line)
- (recenter)))
(message "You clicked somewhere weird.")))
(defun widget-button-press (pos &optional event)
;;; The `text' Widget.
(define-widget 'text 'editable-field
- :keymap widget-text-keymap
- "A multiline text area.")
+ "A multiline text area."
+ :keymap widget-text-keymap)
;;; The `menu-choice' Widget.
(defun widget-toggle-value-create (widget)
"Insert text representing the `on' and `off' states."
(if (widget-value widget)
- (widget-image-insert widget
- (widget-get widget :on)
- (widget-get widget :on-glyph))
+ (progn
+ (and (display-graphic-p)
+ (listp (widget-get widget :on-glyph))
+ (widget-put widget :on-glyph
+ (eval (widget-get widget :on-glyph))))
+ (widget-image-insert widget
+ (widget-get widget :on)
+ (widget-get widget :on-glyph)))
+ (and (display-graphic-p)
+ (listp (widget-get widget :off-glyph))
+ (widget-put widget :off-glyph
+ (eval (widget-get widget :off-glyph))))
(widget-image-insert widget
(widget-get widget :off)
(widget-get widget :off-glyph))))
;; We could probably do the same job as the images using single
;; space characters in a boxed face with a stretch specification to
;; make them square.
- :on-glyph (create-image "\377\311\301\343\301\311\377" ; this is an `X'
- 'xbm t :width 7 :height 7
- :foreground "grey75" ; like default mode line
- :background "black"
- :relief -3
- :ascent 'center)
- :off "[ ]"
- :off-glyph (create-image (make-bool-vector 49 1)
+ :on-glyph '(create-image "\000\066\076\034\076\066\000"
'xbm t :width 7 :height 7
- :foreground "grey75"
- :relief 3
+ :background "grey75" ; like default mode line
+ :foreground "black"
+ :relief -3
:ascent 'center)
+ :off "[ ]"
+ :off-glyph '(create-image (make-string 7 0)
+ 'xbm t :width 7 :height 7
+ :background "grey75"
+ :foreground "black"
+ :relief 3
+ :ascent 'center)
:help-echo "Toggle this item."
:action 'widget-checkbox-action)
:format "%v"
:offset 4
:entry-format "%b %v"
- :menu-tag "checklist"
:greedy nil
:value-create 'widget-checklist-value-create
:value-delete 'widget-children-value-delete
:offset 4
:format "%v"
:entry-format "%b %v"
- :menu-tag "radio"
:value-create 'widget-radio-value-create
:value-delete 'widget-children-value-delete
:value-get 'widget-radio-value-get
:format "%v%i\n"
:format-handler 'widget-editable-list-format-handler
:entry-format "%i %d %v"
- :menu-tag "editable-list"
:value-create 'widget-editable-list-value-create
:value-delete 'widget-children-value-delete
:value-get 'widget-editable-list-value-get
(defun widget-plist-convert-widget (widget)
;; Handle `:options'.
(let* ((options (widget-get widget :options))
+ (widget-plist-value-type (widget-get widget :value-type))
(other `(editable-list :inline t
(group :inline t
,(widget-get widget :key-type)
- ,(widget-get widget :value-type))))
+ ,widget-plist-value-type)))
(args (if options
(list `(checklist :inline t
:greedy t
(defun widget-alist-convert-widget (widget)
;; Handle `:options'.
(let* ((options (widget-get widget :options))
+ (widget-alist-value-type (widget-get widget :value-type))
(other `(editable-list :inline t
(cons :format "%v"
,(widget-get widget :key-type)
- ,(widget-get widget :value-type))))
+ ,widget-alist-value-type)))
(args (if options
(list `(checklist :inline t
:greedy t
(defun widget-color-sample-face-get (widget)
(let* ((value (condition-case nil
(widget-value widget)
- (error (widget-get widget :value))))
- (symbol (intern (concat "fg:" value))))
- (condition-case nil
- (facemenu-get-face symbol)
- (error 'default))))
+ (error (widget-get widget :value)))))
+ (if (color-defined-p value)
+ (list (cons 'foreground-color value))
+ 'default)))
(defun widget-color-action (widget &optional event)
"Prompt for a color."