diff options
Diffstat (limited to 'sx-button.el')
-rw-r--r-- | sx-button.el | 56 |
1 files changed, 48 insertions, 8 deletions
diff --git a/sx-button.el b/sx-button.el index c1abf90..4c0666b 100644 --- a/sx-button.el +++ b/sx-button.el @@ -1,4 +1,4 @@ -;;; sx-button.el --- Defining buttons used throughout SX. +;;; sx-button.el --- defining buttons -*- lexical-binding: t; -*- ;; Copyright (C) 2014 Artur Malabarba @@ -18,6 +18,25 @@ ;; along with this program. If not, see <http://www.gnu.org/licenses/>. ;;; Commentary: +;; +;; This file defines all buttons used by SX. For information on +;; buttons, see: +;; http://www.gnu.org/software/emacs/manual/html_node/elisp/Buttons.html +;; +;; Most interactible parts of the SX buffers are buttons. Wherever you +;; are, you can always cycle through all buttons by hitting `TAB', +;; that should help identify what's a button in each buffer. +;; +;; To define a new type of button follow the examples below using +;; `define-button-type' with :supertype `sx-button'. Required +;; properties are `action' and `help-echo'. You'll probably want to +;; give it a `face' as well, unless you want it to look like a link. +;; +;; Buttons can then be inserted in their respective files using +;; `insert-text-button'. Give it the string, the `:type' you defined, +;; and any aditional properties that can only be determined at +;; creation. Existing text can be transformed into a button with +;; `make-text-button' instead. ;;; Code: @@ -27,6 +46,15 @@ (require 'sx-question) +;;; Face +(defface sx-custom-button + '((((type x w32 ns) (class color)) ; Like default mode line + :box (:line-width 2 :style released-button) + :background "lightgrey" :foreground "black")) + "Face used on buttons such as \"Write an Answer\"." + :group 'sx) + + ;;; Command definitions ;; This extends `button-map', which already defines RET and mouse-1. (defvar sx-button-map @@ -49,27 +77,30 @@ This is usually a link's URL, or the content of a code block." (point) 'sx-button-copy-type) content))))) -(defun sx-button-edit-this (text-or-marker) - "Open a temp buffer populated with the string TEXT-OR-MARKER. +(defun sx-button-edit-this (text-or-marker &optional major-mode) + "Open a temp buffer populated with the string TEXT-OR-MARKER using MAJOR-MODE. When given a marker (or interactively), use the 'sx-button-copy -text-property under the marker. This is usually the content of a -code-block." +and the 'sx-mode text-properties under the marker. These are +usually part of a code-block." (interactive (list (point-marker))) ;; Buttons receive markers. (when (markerp text-or-marker) + (setq major-mode (get-text-property text-or-marker 'sx-mode)) (unless (setq text-or-marker (get-text-property text-or-marker 'sx-button-copy)) (sx-message "Nothing of interest here."))) (with-current-buffer (pop-to-buffer (generate-new-buffer "*sx temp buffer*")) - (insert text-or-marker))) + (insert text-or-marker) + (when major-mode + (funcall major-mode)))) (defun sx-button-follow-link (&optional pos) "Follow link at POS. If POS is nil, use `point'." (interactive) (browse-url (or (get-text-property (or pos (point)) 'sx-button-url) - (user-error "No url under point: %s" (or pos (point)))))) + (sx-user-error "No url under point: %s" (or pos (point)))))) ;;; Help-echo definitions @@ -118,12 +149,21 @@ code-block." 'help-echo (concat "mouse-1, RET" (propertize ": write a comment" 'face 'minibuffer-prompt)) + 'face 'sx-custom-button 'action #'sx-comment :supertype 'sx-button) +(define-button-type 'sx-button-answer + 'help-echo (concat "mouse-1, RET" + (propertize ": write an answer" + 'face 'minibuffer-prompt)) + 'face 'sx-custom-button + 'action #'sx-answer + :supertype 'sx-button) + (provide 'sx-button) ;;; sx-button.el ends here ;; Local Variables: -;; lexical-binding: t +;; indent-tabs-mode: nil ;; End: |