EmacsStyleKeybindings

Introduction

This plugin is used to enable Emacs-style keyboard shortcuts for editing.

You may need disable mnemonics to use all the Alt shortcuts. Add following line in ~/.gtkrc file

gtk-enable-mnemonics = 0 

Usage

• Ctrl+N: Move cursor vertically down one line.
• Ctrl+P: Move cursor vertically up one line.
• Ctrl+E: Move point to end of current line.
• Ctrl+A: Move point to beginning of current line.
• Ctrl+F: Move point right one character.
• Ctrl+B: Move point left one character.
• Alt+F: Move point forward one word.
• Alt+B: Move point backward one word.
• Ctrl+V: Scroll up.
• Alt+V: Scroll down.
• Alt+>: Move point to the end of the buffer.
• Alt+<: Move point to the beginning of the buffer.
• Ctrl+D: Delete.
• Ctrl+H: Backspace.
• Alt+D: Delete words forward.
• Alt+SPACE: Delete words backward.
• Ctrl+W: Cut.
• Alt+W: Copy.
• Ctrl+K: Kill the rest of the current line.
• Ctrl+Y: Paste.

WIKIDPAD_PLUGIN = (("[[MenuFunctions]]", 1), )

def describeMenuItems(pwiki):
    return ((next_line,
             "Emacs Style Keybindings|Next Line\tCtrl+N",
             "Next Line"),
            (previous_line,
             "Emacs Style Keybindings|Prev Line\tCtrl+P",
             "Prev Line"),

            (move_end_of_line,
             "Emacs Style Keybindings|Line End\tCtrl+E",
             "Line end"),
            (move_beginning_of_line,
             "Emacs Style Keybindings|Line Start\tCtrl+A",
             "Line start"),

            (forward_char,
             "Emacs Style Keybindings|Forward Char\tCtrl+F",
             "forward char"),
            (backward_char,
             "Emacs Style Keybindings|Backward Char\tCtrl+B",
             "backward char"),

            (forward_word,
             "Emacs Style Keybindings|Forward Word\tAlt+F",
             "forward word"),
            (backward_word,
             "Emacs Style Keybindings|Backward Word\tAlt+B",
             "backward word"),

            (scroll_down,
             "Emacs Style Keybindings|Scroll Down\tCtrl+V",
             "scroll down"),
            (scroll_up,
             "Emacs Style Keybindings|Scroll Up\tAlt+v",
             "scroll up"),

            (end_of_buffer,
             "Emacs Style Keybindings|End of Buffer\tAlt+>",
             "end of buffer"),
            (begining_of_buffer,
             "Emacs Style Keybindings|Beginning of Buffer\tAlt+<",
             "beginning of buffer"),

            (delete_char,
             "Emacs Style Keybindings|Delete Char\tCtrl+D",
             "delete char"),
            (backward_delete_char,
             "Emacs Style Keybindings|Backward Delete Char\tCtrl+H",
             "backward delete char"),
            (kill_word,
             "Emacs Style Keybindings|Kill Word\tAlt+D",
             "kill word"),
            (backward_kill_word,
             "Emacs Style Keybindings|Backward Kill Word\tAlt+SPACE",
             "backward kill word"),
            (kill_region,
             "Emacs Style Keybindings|Kill Region\tCtrl+W",
             "kill region"),
            (kill_ring_save,
             "Emacs Style Keybindings|Kill Ring Save\tAlt+W",
             "kill ring save"),
            (kill_line,
             "Emacs Style Keybindings|Kill Line\tCtrl+k",
             "kill line"),
            (yank,
             "Emacs Style Keybindings|Yank\tCtrl+Y",
             "yank"),
            )


def next_line(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[LineDown]]()

def previous_line(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[LineUp]]()


def move_end_of_line(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[LineEnd]]()

def move_beginning_of_line(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.Home()


def forward_char(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[CharRight]]()

def backward_char(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[CharLeft]]()


def forward_word(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[WordRight]]()

def backward_word(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[WordLeft]]()


def scroll_down(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[PageDown]]()

def scroll_up(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[PageUp]]()


def end_of_buffer(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[DocumentEnd]]()

def begining_of_buffer(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[DocumentStart]]()

def delete_char(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[CharRight]]()
    editor.[[DeleteBack]]()

def backward_delete_char(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[DeleteBack]]()

def kill_word(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[DelWordRight]]()

def backward_kill_word(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.[[DelWordLeft]]()

def kill_region(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.Cut()

def kill_ring_save(pwiki, evt):
    editor = pwiki.getActiveEditor()
    editor.Copy()

def kill_line(pwiki, evt):
    editor = pwiki.getActiveEditor()
    cur_pos = editor.[[GetCurrentPos]]()
    line_num = editor.[[LineFromPosition]](cur_pos)
    end_of_line = editor.[[GetLineEndPosition]](line_num)
    beginning_of_line = editor.[[PositionFromLine]](line_num)
    if beginning_of_line == end_of_line:
        editor.[[LineDelete]]()
    elif cur_pos == end_of_line:
        editor.[[DelWordRight]]()
    else:
        editor.[[SetSelectionStart]](cur_pos)
        editor.[[SetSelectionEnd]](end_of_line)
        editor.Cut()

def yank(pwiki, evt):
    editor = pwiki.getActiveEditor()
    if editor.[[CanPaste]]():
        editor.Paste()