Support `Ctrl-Alt-` mappings on macOS

[kiryph]

I am on macOS Sierra 10.12.6 with Chrome Version 60.0.3112.113 (Official Build) (64-bit).

Evershort (v0.30) works great for navigating and managing Evernote, e.g. / to enter search field. However, the Ctrl-Alt- mappings in the note editor do not work for me:

• Ctrl+Alt+a Attach file
• Ctrl+Alt+b Bulleted list
• Ctrl+Alt+c Checkbox
• Ctrl+Alt+d Divider line (snippet --- triggers this as well)
• Ctrl+Alt+e Align center
• Ctrl+Alt+k Insert link
• Ctrl+Alt+l Align left
• Ctrl+Alt+n Numbered list
• Ctrl+Alt+p Code block (snippet ```triggers this as well)
• Ctrl+Alt+r Align right
• Ctrl+Alt+s Strikethrough
• Ctrl+Alt+x Remove formatting
• Ctrl+Alt+= Subscript
• Ctrl+Alt++ Superscript

I have marked in bold those which I am particularly interested in.

Following shortcuts work already without Evershort:

• CMD+b bold
• CMD+i italic
• CMD+u underline
• CMD+c copy
• CMD+x cut
• CMD+v paste
• CMD+z undo
• CMD+SHIFT+z redo
• Tab indent
• Shift+Tab unindent

macOS also provides Emacs style keybindings in text fields (https://jblevins.org/log/kbd) occupying certain Ctrl- mappings:

• Ctrl-a/e go to beginning/end of line
• Ctrl-n/p line up/down
• Ctrl-b/f move one character backwards/forwards
• Ctrl-Alt-b/f move one word backwards/forwards
• Ctrl-k delete till end of line
• Ctrl-d/h delete forwards/backwards
• Ctrl-t transpose letters
• Ctrl-v one page down (no shortcut for up)

If you consider to convert the Ctrl-Alt- to Cmd-Alt-, note that Chrome on macOS uses

• Cmd+Alt-b for Bookmark manager
• Cmd+Alt-p for Print using System Dialogue

Other letters which are already in use:

• Cmd+Alt-f for Search the web
• Cmd+Alt-w for Close all windows
• Cmd+Alt-q for Quit and keep windows
• Cmd+Alt-h for Hide others
• Cmd+Alt-u for view source
• Cmd+Alt-i for Developer Tools
• Cmd+Alt-j for JavaScript Console

and macOS by default

• Cmd+Alt-d for Toggle Dock

IMHO, the ctrl-alt- mappings are a good choice. I do not use the system shortcut ctrl-alt-b/f for wordwise jumping.

[kiryph]

Does evernote use tinymce as its editor component?

According to https://www.tinymce.com/docs/advanced/keyboard-shortcuts/ the action insert link should be by default Cmd+k but does not work on evernote. It works here on github.

[phoenixeliot]

I'm also interested in this.
Another conflict: Cmd-Alt-c opens up the developer tools in Chrome on macOS (as does cmd-alt-i for some reason). This was the main shortcut I wanted when I found this extension.

I have discovered that one can type [] (with a space) at the start of a line to get a checkbox, though!