;;; ui.el --- UI components and packages -*- lexical-binding: t -*-

;; This file is not part of GNU Emacs

;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <https://www.gnu.org/licenses/>.


;;; Commentary:

;; commentary

;;; Code:

;; Ouroboros themes
(straight-use-package
 '(ouroboros-emacs-themes :type git
			  :host nil
			  :repo "https://git.cyan.sh/BirDt/ouroboros-emacs-themes.git"
			  :files ("*.el")))

;; Nano for making emacs look more slim
(straight-use-package
 '(nano :type git :host github :repo "rougier/nano-emacs"))

;; Add ouroboros-emacs-themes to the theme load path
(add-to-list 'custom-theme-load-path
	     (expand-file-name (concat "straight/" straight-build-dir "/ouroboros-emacs-themes/") user-emacs-directory))

;; We need this for other nano stuff
(require 'nano-faces)

(require 'nano-modeline)

;; Default frame values - NOTE this is buggy when not launching emacsclient, but everyone should be using that anyway :)
(setq default-frame-alist
      (append (list
	       '(min-height . 1)
               '(height     . 45)
	       '(min-width  . 1)
               '(width      . 81)
               '(vertical-scroll-bars . nil)
               '(internal-border-width . 24)
               '(left-fringe    . 1)
               '(right-fringe   . 1)
               '(tool-bar-lines . 0)
               '(menu-bar-lines . 1))))

;; Smart line wrapping
(global-visual-line-mode)

;; Minibuffer must shrink
(setq resize-mini-windows nil
      max-mini-window-height 1)

;; Use y instead of yes, etc
(if (>= emacs-major-version 29)
    (setopt use-short-answers t)
  (defalias 'yes-or-no-p 'y-or-n-p))

;; Display line numbers in programming modes
(add-hook 'prog-mode-hook #'display-line-numbers-mode)

;; Hide toolbar
(tool-bar-mode -1)

;; Don't show scrollbars
(scroll-bar-mode -1)

;; Don't show menu bar
(menu-bar-mode -1)

;; No tooltips
(tooltip-mode -1)

;; No ugly button for checkboxes
(setq widget-image-enable nil)

;; Don't pop up UI dialogs
(setq use-dialog-box nil)

;; Tabs
(when (< 26 emacs-major-version)
  (tab-bar-mode 1)                           ;; enable tab bar
  (global-unset-key (kbd "C-t"))
  (define-key global-map (kbd "C-t 2") 'tab-new)
  (define-key global-map (kbd "C-t 0") 'tab-close)
  (setq tab-bar-close-button-show nil)       ;; hide tab close / X button
  (setq tab-bar-new-tab-choice "*enlight*");; buffer to show in new tabs
  (setq tab-bar-tab-hints t)                 ;; show tab numbers
  (setq tab-bar-format '(tab-bar-format-tabs tab-bar-separator)) ;; elements to include in bar
  (defvar tab-bar-select-tab-hook nil "Hook for `tab-bar-select-tab'") ;; Hook for tab change, since it doesn't exist by default
  (advice-add 'tab-bar-select-tab :after (lambda (x) (run-hooks 'tab-bar-select-tab-hook))))

;; Hideshow
(add-hook 'prog-mode-hook #'hs-minor-mode)

;; Custom text-scale function with default scale
(defun set-default-text-scale (&optional default-scale)
  (interactive)
  (let ((default-scale (or default-scale 0)))
    (text-scale-set default-scale)))

;; Keybindings for text-scale
(global-set-key (kbd "C-=") 'text-scale-increase)
(global-set-key (kbd "C--") 'text-scale-decrease)
(global-set-key (kbd "C-0") '(lambda () (interactive) (set-default-text-scale)))

;; Beacon to show the cursor
(use-package beacon
  :config
  (beacon-mode 1)
  (setq beacon-color "#D5D5D5"))

;; Highlight to-do
(use-package hl-todo
  :straight (hl-todo :type git :host github :repo "tarsius/hl-todo")
  :config (global-hl-todo-mode 1))

;; Completion
(use-package corfu
  :init

  ;; Enable Corfu globally.
  (global-corfu-mode)

  ;; Popup info
  (corfu-popupinfo-mode)
  :custom
  (corfu-min-width 80)
  (corfu-max-width corfu-min-width)
  :config
  (setq corfu-auto        t
	corfu-quit-no-match t
	corfu-auto-delay  0
	corfu-auto-prefix 0
	corfu-popupinfo-delay 0)

  (add-hook 'corfu-mode-hook
            (lambda ()
              ;; Settings only for Corfu
              (setq-local completion-styles '(basic)
                          completion-category-overrides nil
                          completion-category-defaults nil)))
  (keymap-set corfu-map "RET" `( menu-item "" nil :filter
                                 ,(lambda (&optional _)
                                    (and (derived-mode-p 'eshell-mode 'comint-mode)
                                         #'corfu-send))))
  )

;; Icons in corfu
(use-package kind-icon
  :after corfu
  :custom
  (kind-icon-use-icons t)
  (kind-icon-default-face 'corfu-default) ; Have background color be the same as `corfu' face background
  (kind-icon-blend-background nil) ; Use midpoint color between foreground and background colors ("blended")?
  (kind-icon-blend-frac 0.08)
  :config
  (add-to-list 'corfu-margin-formatters #'kind-icon-margin-formatter) ; Enable `kind-icon'
  )

;; Flycheck is here
(use-package flycheck
  :hook ((after-init . global-flycheck-mode)))

(provide 'ui)

;;; ui.el ends here