├── .ert-runner ├── .gitignore ├── .travis.yml ├── COPYING ├── Cask ├── Makefile ├── features ├── resize-window.feature ├── step-definitions │ └── resize-window-steps.el └── support │ └── env.el ├── images ├── kill_windows.gif └── navigate.gif ├── readme.md ├── resize-mode.gif ├── resize-window.el └── test ├── resize-window-test.el └── test-helper.el /.ert-runner: -------------------------------------------------------------------------------- 1 | -L . 2 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Compiled and temporary files 2 | *.elc 3 | *~ 4 | 5 | # Cask 6 | /.cask 7 | dist 8 | 9 | # Ecukes 10 | /features/project/.cask 11 | /features/project/test/*.el 12 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: emacs-lisp 2 | 3 | script: 4 | - emacs --version 5 | - make test 6 | 7 | env: 8 | matrix: 9 | - EVM_EMACS=emacs-25.3 10 | - EVM_EMACS=emacs-26.1 11 | - EVM_EMACS=emacs-git-snapshot 12 | matrix: 13 | fast_finish: true 14 | allow_failures: 15 | - env: EVM_EMACS=emacs-git-snapshot 16 | 17 | sudo: required 18 | before_install: 19 | - curl -fsSkL https://gist.github.com/rejeep/7736123/raw > travis.sh && source ./travis.sh 20 | - evm install $EVM_EMACS --use --skip 21 | - cask 22 | 23 | notifications: 24 | email: false 25 | -------------------------------------------------------------------------------- /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /Cask: -------------------------------------------------------------------------------- 1 | (source gnu) 2 | (source melpa) 3 | 4 | (package-file "resize-window.el") 5 | 6 | (development 7 | (depends-on "f") 8 | (depends-on "ecukes") 9 | (depends-on "ert-runner") 10 | (depends-on "el-mock") 11 | (depends-on "cask-package-toolset") 12 | (depends-on "undercover")) 13 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | CASK ?= cask 2 | EMACS ?= emacs 3 | 4 | all: test 5 | 6 | test: unit ecukes 7 | 8 | unit: 9 | ${CASK} exec ert-runner 10 | 11 | ecukes: 12 | ${CASK} exec ecukes 13 | 14 | install: 15 | ${CASK} install 16 | -------------------------------------------------------------------------------- /features/resize-window.feature: -------------------------------------------------------------------------------- 1 | Feature: Do Some things 2 | In order to do something 3 | As a user 4 | I want to do something 5 | 6 | Scenario: Do Something 7 | Given I have "something" 8 | When I have "something" 9 | Then I should have "something" 10 | And I should have "something" 11 | But I should not have "something" 12 | -------------------------------------------------------------------------------- /features/step-definitions/resize-window-steps.el: -------------------------------------------------------------------------------- 1 | ;; This file contains your project specific step definitions. All 2 | ;; files in this directory whose names end with "-steps.el" will be 3 | ;; loaded automatically by Ecukes. 4 | 5 | (Given "^I have \"\\(.+\\)\"$" 6 | (lambda (something) 7 | ;; ... 8 | )) 9 | 10 | (When "^I have \"\\(.+\\)\"$" 11 | (lambda (something) 12 | ;; ... 13 | )) 14 | 15 | (Then "^I should have \"\\(.+\\)\"$" 16 | (lambda (something) 17 | ;; ... 18 | )) 19 | 20 | (And "^I have \"\\(.+\\)\"$" 21 | (lambda (something) 22 | ;; ... 23 | )) 24 | 25 | (But "^I should not have \"\\(.+\\)\"$" 26 | (lambda (something) 27 | ;; ... 28 | )) 29 | -------------------------------------------------------------------------------- /features/support/env.el: -------------------------------------------------------------------------------- 1 | (require 'f) 2 | (require 'undercover) 3 | (undercover "*.el" "resize-window/*.el" 4 | (:exclude "*-test.el") 5 | (:report-file "/tmp/undercover-report.json")) 6 | 7 | 8 | (defvar resize-window-support-path 9 | (f-dirname load-file-name)) 10 | 11 | (defvar resize-window-features-path 12 | (f-parent resize-window-support-path)) 13 | 14 | (defvar resize-window-root-path 15 | (f-parent resize-window-features-path)) 16 | 17 | (add-to-list 'load-path resize-window-root-path) 18 | 19 | (require 'resize-window) 20 | (require 'espuds) 21 | (require 'ert) 22 | 23 | (Setup 24 | ;; Before anything has run 25 | ) 26 | 27 | (Before 28 | ;; Before each scenario is run 29 | ) 30 | 31 | (After 32 | ;; After each scenario is run 33 | ) 34 | 35 | (Teardown 36 | ;; After when everything has been run 37 | ) 38 | -------------------------------------------------------------------------------- /images/kill_windows.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dpsutton/resize-window/72018aa4d2401b60120588199d4cedd0dc1fbcfb/images/kill_windows.gif -------------------------------------------------------------------------------- /images/navigate.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dpsutton/resize-window/72018aa4d2401b60120588199d4cedd0dc1fbcfb/images/navigate.gif -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | # Resize Mode # 2 | 3 | [![Build Status](https://travis-ci.org/dpsutton/resize-window.svg)](https://travis-ci.org/dpsutton/resize-window) 4 | [![Coverage Status](https://coveralls.io/repos/dpsutton/resize-window/badge.svg?branch=master&service=github)](https://coveralls.io/github/dpsutton/resize-window?branch=master) 5 | [![MELPA](http://melpa.org/packages/resize-window-badge.svg)](http://melpa.org/#/resize-window) 6 | [![MELPA stable](http://stable.melpa.org/packages/resize-window-badge.svg)](http://stable.melpa.org/#/resize-window) 7 | [![Tag Version](https://img.shields.io/github/tag/dpsutton/resize-window.svg)](https://github.com/dpsutton/resize-window/tags) 8 | 9 | ## What it is ## 10 | Resizing windows is a pain in emacs. You have to do an uncomfortable 11 | chord `C-x {`, `C-x ^`. Giving prefixes to make the jump larger than 1 12 | line means remembering `C-u `. I always 13 | forget the number, making it difficult to do this. So this is a simple 14 | minor mode to easily adjust window sizes with familiar keys and 15 | without chords. 16 | 17 | ## How to use it ## 18 | As soon as it gets polished a little further, it will hopefully be 19 | accepted to ELPA or something (I'm not too sure about all of the 20 | differences, ELPA, MELPA, marmalade, etc. 21 | 22 | I've submitted for elpa and have a pending request to have copyright 23 | assigned. Until then, just drop it into your load path. I've found the 24 | following keybinding to be really nice: 25 | `(global-set-key (kbd "C-c ;") 'resize-window)`. 26 | This keeps your fingers on the home row, especially if you've remapped 27 | the caps lock key to control. 28 | 29 | But, just run `M-x resize-window`. There are only a few commands to learn, 30 | and they mimic the normal motions in emacs. 31 | 32 | - `n`: Makes the window vertically bigger, think scrolling down. Use 33 | `N` to enlarge 5 lines at once. 34 | - `p`: Makes the window vertically smaller, again, like scrolling. Use 35 | `P` to shrink 5 lines at once. 36 | - `f`: Makes the window horizontally bigger, like scrolling forward; 37 | `F` for five lines at once. 38 | - `b`: window horizontally smaller, `B` for five lines at once. 39 | - `r`: reset window layout to standard 40 | - `w`: cycle through windows so that you can adjust other window 41 | panes. `W` cycles in the opposite direction. 42 | - `2`: create a new horizontal split 43 | - `3`: create a new vertical split 44 | - `0`: delete the current window 45 | - `k`: kill all buffers and put window config on the stack 46 | - `y`: make the window configuration according to the last config 47 | pushed onto the stack 48 | - `?`: Display menu listing commands 49 | 50 | The best part of this is that resize-window keeps listening for more 51 | keystrokes until it doesn't recognize input. So you don't have to make 52 | convulted chords to resize things two lines, or prefix a negative 53 | number because you can't guess how far `C-u 17 C-x ^` will adjust your 54 | view right away. Just invoke resize-window and just press your normal 55 | motions and cycle windows until everything is adjusted to how you like 56 | it. 57 | 58 | ## How to extend it ## 59 | There are a few things that you can do. There are customizable variables: 60 | - resize-window-coarse-argument (default: 5) 61 | - resize-window-fine-argument (default: 1) 62 | - resizewindow-allow-backgrounds (default: t) 63 | 64 | Any of these can be customized by using `customize-group RET 65 | resize-window` or by setting the appropriate variable in your init.el 66 | file as normal: `(setq )`. 67 | 68 | ## What's even cooler ## 69 | At the end of the day, this is really just a function dispatcher 70 | listening for key presses. So i've found a really nice workflow. I've 71 | bound resize-window to `C-c ;` and i've also added a new dispatch: 72 | 73 | (push '(?l helm-mini "run helm-mini" nil) resize-window-dispatch-alist) 74 | 75 | This allows for a really nice workflow. Now with `w` it is really easy 76 | to bounce around windows, use keys to enlarge them, and then hit l to 77 | run helm-mini. Its trivial now to bounce around, resize windows and 78 | reset their sources. And since the help menu is dynamically generated, 79 | pressing ? displays this new choice automatically. 80 | 81 | For convenience sake, you can use the helper method `resize-window-add-choice` to register your function without having to remember the structure of the list it will end up in. For example: 82 | 83 | (push '(?h (lambda () (dired "~/projects/clojure")) "Clojure home" nil)) 84 | ; is equivalent to 85 | 86 | (resize-window-add-choice ?h (lambda () (dired "~/projects/clojure")) "Clojure home") 87 | 88 | ; the allows-capitals argument is optional. 89 | 90 | Further, there are alias, held in the `resize-window-alias-list` alist. It is 91 | currently defined as 92 | 93 | 94 | (defvar resize-windown-alias-list 95 | '((right ?f) 96 | (up ?n) 97 | (left ?b) 98 | (down ?p)) 99 | "List of aliases for commands. 100 | Rather than have to use n, etc, you can alias keys for others.") 101 | 102 | However, you can easily add your own. For instance, to alias h to ?, 103 | the help command, just add `(push '(?h ??) resize-window-alias-list)` in your init.el. 104 | 105 | ### Kill and restore windows ## 106 | 107 | ![usage gif](images/kill_windows.gif) 108 | 109 | In this example, we can bounce back and forth between the test and 110 | code of resize-window. When we want to work in one exclusively, we 111 | call up resize-window (bound with `C-c ;` and then hit `k` for kill 112 | all the other windows. We edit our tests and then call up 113 | resize-window and hit `y` for yank. Think that we just put them into a 114 | ring buffer, but they are actually in a stack. 115 | 116 | ## Create windows ## 117 | 118 | Here, we want to create a bunch of windows. We can use `2` and `3` to 119 | make splits like their native emacs commands `C-x 2` and `C-x 3`. Use 120 | `0` to kill the split. If you want to go down to a single, use the 121 | example above to hit `k` to kill all and then `y` to restore. Again, 122 | all of the buffer resizing commands work (`f`, `p`, `b`, `n`) to 123 | resize these buffers. 124 | 125 | ![usage gif](images/navigate.gif) 126 | 127 | ## Bugs ## 128 | - When in resize mode, there's a visual overlay over the current 129 | buffer to give some visual indication what's going on. However, if 130 | you have two copies of the same buffer open, both are 131 | overlayed. Would like to reduce this so that only the buffer you're 132 | working in is overlaid, regardless of how many copies are open 133 | 134 | ## Hopeful upcoming features ## 135 | I can't promise any of these but these are the things I'm hoping to 136 | do: 137 | 138 | - put overlays over *other* buffers rather than current one. This 139 | greys out other workspaces and leaves yours with full color, 140 | bringing your eye there. Just seems like a nice ergonomic touch. 141 | - DONE:allow customization to invert capital/non-capital behavior. Right 142 | now, lower case selections move the window size by 1 and upper-case 143 | moves by 5. These should both be easy to customize and easy to 144 | *flip*. Ie, make the lowercase `n` make it bigger by 5 and the 145 | upper-case `N` increase by 1. 146 | 147 | ## Shout out ## 148 | This is my first attempt at really doing anything in elisp and to get 149 | there, I drew lots of inspiration and organizational ideas and almost 150 | verbatim code from `ace-mode`. Ace mode is super super nice and my aim 151 | is to make this more or less an ace mode for resizing windows rather 152 | than jumping. In fact, this might actually be better as a pull request 153 | to their package. 154 | 155 | ## How it works ## 156 | Super simple architecture. There's an associative list called 157 | `resize-window-dispatch-alist` (the rm is prefix for resize-mode) that holds a 158 | simple data structure with the invocation-key, the function to call, 159 | documentation string to be shown as a message, and whether it should 160 | accept a capital letter as well as the lower-case letter. 161 | 162 | The function `resize-window` is just a while loop listening for 163 | characters, checking if that character is associated to anything in 164 | the list and checking if `(+ char 32)` is associated to anything in 165 | the list (which is just the uppercase version (or is it? now its a 166 | bug)). If lower case matches, do it, if uppercase matches something, 167 | then make sure that's ok and do it but with the 168 | `resize-window-capital-argument` rather than 169 | `resize-window-default-argument`. 170 | -------------------------------------------------------------------------------- /resize-mode.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dpsutton/resize-window/72018aa4d2401b60120588199d4cedd0dc1fbcfb/resize-mode.gif -------------------------------------------------------------------------------- /resize-window.el: -------------------------------------------------------------------------------- 1 | ;;; resize-window.el --- easily resize windows -*- lexical-binding: t; -*- 2 | 3 | ;; Copyright (C) 2015 Free Software Foundation, Inc. 4 | 5 | ;; Author: Dan Sutton 6 | ;; Maintainer: Dan Sutton 7 | ;; URL: https://github.com/dpsutton/resize-mode 8 | 9 | ;; Version: 0.1.0 10 | ;; Package-Requires: ((emacs "24") (cl-lib "0.5")) 11 | ;; Keywords: window, resize 12 | 13 | ;; This program is free software: you can redistribute it and/or modify 14 | ;; it under the terms of the GNU General Public License as published by 15 | ;; the Free Software Foundation, either version 3 of the License, or 16 | ;; (at your option) any later version. 17 | 18 | ;; This program is distributed in the hope that it will be useful, 19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of 20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 | ;; GNU General Public License for more details. 22 | 23 | ;; You should have received a copy of the GNU General Public License 24 | ;; along with this program. If not, see 25 | ;; . 26 | 27 | ;;; Commentary: 28 | ;; Easily allows you to resize windows. Rather than guessing that you 29 | ;; want `C-u 17 C-x {`, you could just press FFff, which enlarges 5 30 | ;; lines, then 5 lines, then one and then one. The idea is that the 31 | ;; normal motions n,p,f,b along with r for reset and w for cycling 32 | ;; windows allows for super simple resizing of windows. All of this is 33 | ;; inside of a while loop so that you don't have to invoke more chords 34 | ;; to resize again, but just keep using standard motions until you are 35 | ;; happy. 36 | 37 | ;; But, just run `M-x resize-window`. There are only a few commands to learn, 38 | ;; and they mimic the normal motions in emacs. 39 | 40 | ;; n : Makes the window vertically bigger, think scrolling down. Use 41 | ;; N to enlarge 5 lines at once. 42 | ;; p : Makes the window vertically smaller, again, like scrolling. Use 43 | ;; P to shrink 5 lines at once. 44 | ;; f : Makes the window horizontally bigger, like scrolling forward; 45 | ;; F for five lines at once. 46 | ;; b : window horizontally smaller, B for five lines at once. 47 | ;; r : reset window layout to standard 48 | ;; w : cycle through windows so that you can adjust other window 49 | ;; panes. W cycles in the opposite direction. 50 | ;; 2 : create a new horizontal split 51 | ;; 3 : create a new vertical split 52 | ;; 0 : delete the current window 53 | ;; k : kill all buffers and put window config on the stack 54 | ;; y : make the window configuration according to the last config 55 | ;; pushed onto the stack 56 | ;; ? : Display menu listing commands 57 | 58 | 59 | ;;; Code: 60 | 61 | (require 'cl-lib) 62 | 63 | (defgroup resize-window nil 64 | "Quickly resize current window" 65 | :group 'convenience 66 | :prefix "rw-") 67 | 68 | (defcustom resize-window-coarse-argument 5 69 | "Set how big a capital letter movement is." 70 | :type 'integer) 71 | 72 | (defcustom resize-window-fine-argument 1 73 | "Set how big the default movement should be." 74 | :type 'integer) 75 | 76 | (defcustom resize-window-allow-backgrounds t 77 | "Allow resize mode to set a background. 78 | This is also valuable to see that you are in resize mode." 79 | :type 'boolean) 80 | 81 | (defcustom resize-window-swap-capital-and-lowercase-behavior nil 82 | "Reverse default behavior of lower case and uppercase arguments." 83 | :type 'boolean) 84 | 85 | (defcustom resize-window-notify-with-messages t 86 | "Show notifications in message bar." 87 | :type 'boolean) 88 | 89 | (defvar resize-window--background-overlay () 90 | "Holder for background overlay.") 91 | 92 | (defvar resize-window--window-stack () 93 | "Stack for holding window configurations.") 94 | 95 | (defface resize-window-background 96 | '((t (:foreground "gray40"))) 97 | "Face for when resizing window.") 98 | 99 | (defun resize-window-lowercase-argument () 100 | "Return the behavior for lowercase entries. 101 | Example, normally n maps to enlarge vertically by 1. However, 102 | if you have swapped capital and lowercase behavior, then 103 | this should return the coarse adjustment." 104 | (if resize-window-swap-capital-and-lowercase-behavior 105 | resize-window-coarse-argument 106 | resize-window-fine-argument)) 107 | 108 | (defun resize-window-uppercase-argument () 109 | "Return the behavior for uppercase entries. 110 | Example, normally N maps to enlarge vertically by 5. However, 111 | if you have swapped capital and lowercase behavior, then this 112 | should return the fine adjustment (default 1)." 113 | (if resize-window-swap-capital-and-lowercase-behavior 114 | resize-window-fine-argument 115 | resize-window-coarse-argument)) 116 | 117 | (defvar resize-window-dispatch-alist 118 | '((?n resize-window--enlarge-down " Resize - Expand down" t) 119 | (?p resize-window--enlarge-up " Resize - Expand up" t) 120 | (?f resize-window--enlarge-horizontally " Resize - horizontally" t) 121 | (?b resize-window--shrink-horizontally " Resize - shrink horizontally" t) 122 | (?r resize-window--reset-windows " Resize - reset window layout" nil) 123 | (?w resize-window--cycle-window-positive " Resize - cycle window" nil) 124 | (?W resize-window--cycle-window-negative " Resize - cycle window" nil) 125 | (?2 split-window-below " Split window horizontally" nil) 126 | (?3 split-window-right " Slit window vertically" nil) 127 | (?0 resize-window--delete-window " Delete window" nil) 128 | (?k resize-window--kill-other-windows " Kill other windows (save state)" nil) 129 | (?y resize-window--restore-windows " (when state) Restore window configuration" nil) 130 | (?? resize-window--display-menu " Resize - display menu" nil)) 131 | "List of actions for `resize-window-dispatch-default. 132 | Main data structure of the dispatcher with the form: 133 | \(char function documentation match-capitals\)") 134 | 135 | (defvar resize-window-alias-list 136 | '((right ?f) 137 | (down ?n) 138 | (left ?b) 139 | (up ?p)) 140 | "List of aliases for commands. 141 | Rather than have to use n, etc, you can alias keys for others.") 142 | 143 | (defun resize-window--notify (&rest info) 144 | "Notify with INFO, a string. 145 | This is just a pass through to message usually. However, it can be 146 | overridden in tests to test the output of message." 147 | (when resize-window-notify-with-messages (apply #'message info))) 148 | 149 | (defun resize-window--match-alias (key) 150 | "Taken the KEY or keyboard selection from `read-key` check for alias. 151 | Match the KEY against the alias table. If found, return the value that it 152 | points to, which should be a key in the ‘resize-window-dispatch-alist’. 153 | Otherwise, return the key." 154 | (let ((alias (assoc key resize-window-alias-list))) 155 | (if alias 156 | (car (cdr alias)) 157 | key))) 158 | 159 | (defun resize-window--choice-keybinding (choice) 160 | "Get the keybinding associated with CHOICE." 161 | (car choice)) 162 | 163 | (defun resize-window--choice-documentation (choice) 164 | "Get the documentation associated with CHOICE." 165 | (car (cdr (cdr choice)))) 166 | 167 | (defun resize-window--choice-lambda (choice) 168 | "Get the lambda associated with CHOICE." 169 | (car (cdr choice))) 170 | 171 | (defun resize-window--allows-capitals (choice) 172 | "To save time typing, we will tell whether we allow capitals for scaling. 173 | To do so, we check to see whether CHOICE allows for capitals by 174 | checking its last spot in the list for whether it is true or 175 | nil." 176 | (car (last choice))) 177 | 178 | (defun resize-window--display-choice (choice) 179 | "Formats screen message about CHOICE. 180 | CHOICE is a \(key function description allows-capital\)." 181 | (let ((key (resize-window--choice-keybinding choice))) 182 | (format "%s: %s " (if (resize-window--allows-capitals choice) 183 | (format "%s|%s" 184 | (string key) 185 | (string (- key 32))) 186 | (string key)) 187 | (resize-window--choice-documentation choice)))) 188 | 189 | (defun resize-window--get-documentation-strings () 190 | (mapconcat #'identity (mapcar 'resize-window--display-choice 191 | resize-window-dispatch-alist) 192 | "\n")) 193 | 194 | (defun resize-window--make-background () 195 | "Place a background over the current window." 196 | (when resize-window-allow-backgrounds 197 | (let ((ol (make-overlay 198 | (point-min) 199 | (point-max) 200 | (window-buffer)))) 201 | (overlay-put ol 'face 'resize-window-background) 202 | ol))) 203 | 204 | (defun resize-window--execute-action (choice &optional scaled) 205 | "Given a CHOICE, grab values out of the alist. 206 | If SCALED, then call action with the resize-window-capital-argument." 207 | ;; (char function description) 208 | (let ((action (resize-window--choice-lambda choice)) 209 | (description (resize-window--choice-documentation choice))) 210 | (unless (equal (resize-window--choice-keybinding choice) ??) 211 | (resize-window--notify "%s" description)) 212 | (condition-case nil 213 | (if scaled 214 | (funcall action (resize-window-uppercase-argument)) 215 | (funcall action)) 216 | 217 | (wrong-number-of-arguments 218 | (resize-window--notify "Invalid arity in function for %s" 219 | (char-to-string 220 | (resize-window--choice-keybinding choice))))))) 221 | 222 | ;;;###autoload 223 | (defun resize-window () 224 | "Resize the window. 225 | Press n to enlarge down, p to enlarge up, b to enlarge left and f 226 | to enlarge right." 227 | (interactive) 228 | (setq resize-window--background-overlay (resize-window--make-background)) 229 | (resize-window--notify "Resize mode: enter character, ? for help") 230 | (condition-case nil 231 | (let ((reading-characters t) 232 | ;; allow mini-buffer to collapse after displaying menu 233 | (resize-mini-windows t)) 234 | (while reading-characters 235 | (let* ((char (resize-window--match-alias (read-key))) 236 | (choice (assoc char resize-window-dispatch-alist)) 237 | (capital (when (numberp char) 238 | (assoc (+ char 32) resize-window-dispatch-alist)))) 239 | (cond 240 | (choice (resize-window--execute-action choice)) 241 | ((and capital (resize-window--allows-capitals capital)) 242 | ;; rather than pass an argument, we tell it to "scale" it 243 | ;; with t and that method can worry about how to get that 244 | ;; action 245 | (resize-window--execute-action capital t)) 246 | (t (setq reading-characters nil) 247 | (delete-overlay resize-window--background-overlay)))))) 248 | (quit (resize-window--delete-overlays)))) 249 | 250 | ;;; Function Handlers 251 | (defun resize-window--enlarge-down (&optional size) 252 | "Extend the current window downwards by optional SIZE. 253 | If no SIZE is given, extend by `resize-window-default-argument`" 254 | (let ((size (or size (resize-window-lowercase-argument)))) 255 | (enlarge-window size))) 256 | 257 | (defun resize-window--enlarge-up (&optional size) 258 | "Bring bottom edge back up by one or optional SIZE." 259 | (let ((size (or size (resize-window-lowercase-argument)))) 260 | (enlarge-window (- size)))) 261 | 262 | (defun resize-window--enlarge-horizontally (&optional size) 263 | "Enlarge the window horizontally by one or optional SIZE." 264 | (let ((size (or size (resize-window-lowercase-argument)))) 265 | (enlarge-window size t))) 266 | 267 | (defun resize-window--shrink-horizontally (&optional size) 268 | "Shrink the window horizontally by one or optional SIZE." 269 | (let ((size (or size (resize-window-lowercase-argument)))) 270 | (enlarge-window (- size) t))) 271 | 272 | (defun resize-window--reset-windows () 273 | "Reset window layout to even spread." 274 | (balance-windows)) 275 | 276 | (defun resize-window--delete-overlays () 277 | (delete-overlay resize-window--background-overlay)) 278 | 279 | (defun resize-window--create-overlay () 280 | (setq resize-window--background-overlay (resize-window--make-background))) 281 | 282 | (defun resize-window--cycle-window-positive () 283 | "Cycle windows." 284 | (delete-overlay resize-window--background-overlay) 285 | (other-window 1) 286 | (setq resize-window--background-overlay (resize-window--make-background))) 287 | 288 | (defun resize-window--cycle-window-negative () 289 | "Cycle windows negative." 290 | (delete-overlay resize-window--background-overlay) 291 | (other-window -1) 292 | (setq resize-window--background-overlay (resize-window--make-background))) 293 | 294 | (defun resize-window--display-menu () 295 | "Display menu in minibuffer." 296 | (resize-window--notify "%s" (resize-window--get-documentation-strings))) 297 | 298 | (defun resize-window--delete-window () 299 | (delete-overlay resize-window--background-overlay) 300 | (delete-window) 301 | (setq resize-window--background-overlay (resize-window--make-background))) 302 | 303 | (defun resize-window--window-push () 304 | (push (current-window-configuration) resize-window--window-stack)) 305 | 306 | (defun resize-window--window-pop () 307 | (pop resize-window--window-stack)) 308 | 309 | (defun resize-window--kill-other-windows () 310 | (resize-window--delete-overlays) 311 | (resize-window--window-push) 312 | (delete-other-windows) 313 | (resize-window--create-overlay)) 314 | 315 | (defun resize-window--restore-windows () 316 | (let ((config (resize-window--window-pop))) 317 | (when config 318 | (resize-window--delete-overlays) 319 | (set-window-configuration config) 320 | (resize-window--create-overlay)))) 321 | 322 | (defvar resize-window--capital-letters (number-sequence ?A ?Z)) 323 | (defvar resize-window--lower-letters (number-sequence ?a ?z)) 324 | 325 | (defun resize-window--key-available? (key) 326 | (let ((keys (mapcar #'resize-window--choice-keybinding resize-window-dispatch-alist))) 327 | (not (member key keys)))) 328 | 329 | (defun resize-window-add-choice (key func doc &optional allows-capitals) 330 | "Register a function for resize-window. 331 | KEY is the char (eg ?c) that should invoke the FUNC. DOC is a doc 332 | string for the help menu, and optional ALLOWS-CAPITALS should be 333 | t or nil. Functions should be of zero arity if they do not allow 334 | capitals, and should be of optional single arity if they allow 335 | capitals. Invoking with the capital will pass the capital 336 | argument." 337 | (if (resize-window--key-available? key) 338 | (push (list key func doc allows-capitals) resize-window-dispatch-alist) 339 | (message "The `%s` key is already taken for resize-window." (char-to-string key)))) 340 | 341 | (provide 'resize-window) 342 | ;;; resize-window.el ends here 343 | -------------------------------------------------------------------------------- /test/resize-window-test.el: -------------------------------------------------------------------------------- 1 | ;;; Test for `resize-window' 2 | 3 | ;;; Commentary: 4 | ;; These are the tests for `resize-window' 5 | 6 | ;;; Code: 7 | 8 | (defmacro aliases=> (alias original) 9 | `(should (equal ,original (resize-window--match-alias ,alias)))) 10 | 11 | (ert-deftest should-match-aliases () 12 | (aliases=> 'right ?f) 13 | (aliases=> 'left ?b) 14 | (aliases=> 'up ?p) 15 | (aliases=> 'down ?n)) 16 | 17 | (ert-deftest should-return-original-if-no-alias () 18 | (aliases=> ?d ?d)) 19 | 20 | (defvar choice-no-capital '(?n 'function "documentation" nil)) 21 | (defvar choice-capital '(?n 'function "documentation" t)) 22 | 23 | (ert-deftest should-create-documentation-from-alist () 24 | (should (equal "n: documentation " 25 | (resize-window--display-choice choice-no-capital))) 26 | (should (equal "n|N: documentation " 27 | (resize-window--display-choice choice-capital)))) 28 | 29 | (ert-deftest should-execute-and-display-message () 30 | (let ((choice '(?n (lambda () (setq executed t)) "doc" nil)) 31 | resize-window-notify-with-messages ;suppress messages 32 | (executed)) 33 | (resize-window--execute-action choice) 34 | (should executed)) 35 | 36 | (let ((bad-arity '(?n (lambda (a b c) 1) "doc" nil)) 37 | resize-window-notify-with-messages) 38 | ;; this is a bad arity test. it should not error. 39 | (resize-window--execute-action bad-arity))) 40 | 41 | (ert-deftest should-identify-which-allow-capital-matching () 42 | (should (resize-window--allows-capitals choice-capital)) 43 | (should-not (resize-window--allows-capitals choice-no-capital))) 44 | 45 | ;;; tests for swapping uppercase and lowercase behavior 46 | (ert-deftest resize-window-swap-capital-and-lowercase-behavior-swaps () 47 | (let ((resize-window-swap-capital-and-lowercase-behavior t)) 48 | (should (equal resize-window-coarse-argument 49 | (resize-window-lowercase-argument))) 50 | (should (equal resize-window-fine-argument 51 | (resize-window-uppercase-argument))))) 52 | 53 | (ert-deftest resize-window-swap-capital-and-lowercase-behavior-ignored () 54 | (let ((resize-window-swap-capital-and-lowercase-behavior)) 55 | (should (equal resize-window-coarse-argument 56 | (resize-window-uppercase-argument))) 57 | (should (equal resize-window-fine-argument 58 | (resize-window-lowercase-argument))))) 59 | 60 | (ert-deftest resize-window--key-already-used-tests () 61 | (should (resize-window--key-available? ?e)) 62 | (should-not (resize-window--key-available? ?n))) 63 | -------------------------------------------------------------------------------- /test/test-helper.el: -------------------------------------------------------------------------------- 1 | ;;; test-helper --- Test helper for resize-window 2 | 3 | ;;; Commentary: 4 | ;; test helper inspired from https://github.com/tonini/overseer.el/blob/master/test/test-helper.el 5 | 6 | ;;; Code: 7 | (require 'undercover) 8 | (undercover "*.el" "resize-window/*.el" 9 | (:exclude "*-test.el") 10 | (:send-report nil) 11 | (:report-file "/tmp/undercover-report.json")) 12 | (require 'f) 13 | 14 | (defvar cpt-path 15 | (f-parent (f-this-file))) 16 | 17 | (defvar resize-window-test-path 18 | (f-dirname (f-this-file))) 19 | 20 | (defvar resize-window-root-path 21 | (f-parent resize-window-test-path)) 22 | 23 | (defvar resize-window-sandbox-path 24 | (f-expand "sandbox" resize-window-test-path)) 25 | 26 | (when (f-exists? resize-window-sandbox-path) 27 | (error "Something is already in %s. Check and destroy it yourself" resize-window-sandbox-path)) 28 | 29 | (defmacro within-sandbox (&rest body) 30 | "Evaluate BODY in an empty sandbox directory." 31 | `(let ((default-directory resize-window-sandbox-path)) 32 | (when (f-exists? resize-window-sandbox-path) 33 | (f-delete default-directory :force)) 34 | (f-mkdir resize-window-sandbox-path) 35 | ,@body 36 | (f-delete default-directory :force))) 37 | 38 | (require 'ert) 39 | (require 'resize-window) 40 | 41 | ;;; test-helper.el ends here 42 | --------------------------------------------------------------------------------