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Animate.vim

A Vim Window Animation Library

Animate.vim is a general window animation library for Vim, it provides the ability to animate window height and width via:

delta from current size
percent of screen
absolute size

Installation

To install Animate.vim, use your plugin manager of choice, e.g:

Plug 'camspiers/animate.vim'

Usage

Given the general purpose nature of resizing windows Animate.vim can be used in many contexts.

The following gives and example of using animate to more smoothly change window size using the directional keys:

Example: Animated Directional Keys

nnoremap <silent> <Up>    :call animate#window_delta_height(10)<CR>
nnoremap <silent> <Down>  :call animate#window_delta_height(-10)<CR>
nnoremap <silent> <Left>  :call animate#window_delta_width(10)<CR>
nnoremap <silent> <Right> :call animate#window_delta_width(-10)<CR>

Example: Animated FZF Bottom Drawer

Here is an example that integrates Animate.vim with Fuzzy Finder (FZF) to animate its opening:

let g:fzf_layout = {
 \ 'window': 'new | wincmd J | resize 1 | call animate#window_percent_height(0.5)'
\ }

Example: Animated Neovim Terminal Drawers

function! OpenAnimatedHtop() abort
  " Open a htop in terminal
  new term://htop
  " Send window to bottom and start with small height
  wincmd J | resize 1
  " Animate height to 66%
  call animate#window_percent_height(0.66)
endfunction

Options

Distribute Space

By default Animate.vim distributes space of non-animating windows while resizing this can be destructive to intended window sizes when those sizes aren't fixed. To disable:

let g:animate#distribute_space = 0

Duration

Animation duration in milliseconds can be controlled via a global flag:

let g:animate#duration = 300.0

Easing

Animation easing can be controlled via a global flag:

let g:animate#easing_func = 'animate#ease_linear'

Easing Options

Currently there are 3 easing options available:

animate#ease_linear
animate#ease_out_quad
animate#ease_out_cubic
animate#ease_in_out_sine (default)

To set a custom easing function:

let g:animate#easing_func = 'animate#ease_out_cubic'

You can also set your own easing function using the following signature:

function! MyEasingFunction(elapsed, initial, delta, duration) abort
  " return value
endfunction

let g:animate#easing_func = 'MyEasingFunction'

API

Delta Functions

Animate current window by delta:

animate#window_delta(width_delta, height_delta)

Animate current window by width delta:

animate#window_delta_width(delta)

Animate current window by height delta:

animate#window_delta_height(delta)

Percent Functions

Animate current window by percent of screen:

animate#window_percent(width_percent, height_percent)

Animate current window by percent of screen width:

animate#window_percent_width(percent)

Animate current window by percent of screen height:

animate#window_percent_height(percent)

Absolute Functions

Animate current window to absolute size:

animate#window_absolute(width, height)

Animate current window by absolute width:

animate#window_absolute_width(width)

Animate current window by absolute height:

animate#window_absolute_height(height)

Helper Functions

Focus window:

function! animate#window_focus(target_window) abort

Determines with target window is animating:

function! animate#window_is_animating(target_window) abort

Get the current time as a float in milliseconds:

animate#time()

Get the available height factoring in cmdheight and status line:

animate#get_available_height()

Linear easing function:

animate#ease_linear(elapsed, initial, delta, duration)

Out quad easing function:

animate#ease_out_quad(elapsed, initial, delta, duration)

Out cubic easing function:

animate#ease_out_cubic(elapsed, initial, delta, duration)

In out sine easing function:

animate#ease_in_out_sine(elapsed, initial, delta, duration)

t3rro / animate.vim Goto Github PK

animate.vim's Introduction