From 34da56150cbee6449faec22faabf6b2af3c84ed9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=B6rnquist?= <hugo@hornquist.se>
Date: Tue, 23 Apr 2019 19:26:54 +0200
Subject: Move stuff from main.

---
 module/output/terminal.scm | 113 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 module/output/terminal.scm

(limited to 'module/output/terminal.scm')

diff --git a/module/output/terminal.scm b/module/output/terminal.scm
new file mode 100644
index 00000000..1d49896c
--- /dev/null
+++ b/module/output/terminal.scm
@@ -0,0 +1,113 @@
+(define-module (output terminal)
+  #:use-module (output general)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-19)
+  #:use-module (srfi srfi-19 util)
+  #:use-module (srfi srfi-26)
+  #:use-module (srfi srfi-41)
+  #:use-module (srfi srfi-41 util)
+  #:use-module (util)
+  #:use-module (terminal escape)
+  #:use-module (terminal util)
+  #:use-module (vcomponent output)
+
+  #:use-module (vcomponent)
+  #:use-module (vcomponent datetime)
+
+  #:use-module (texinfo string-utils)     ; string->wrapped-lines
+  #:use-module (ice-9 format)
+  #:use-module (parameters)
+  #:use-module (config)
+
+  #:export (terminal-main))
+
+(define (box-top intersection line . lengths)
+  (reduce (lambda (str done) (string-append done (string intersection) str))
+          "" (map (cut make-string <> line) lengths)))
+
+(define (display-event-table cur-event events)
+ (for-each
+  (lambda (ev i)
+    (format #t "~a │ ~a~a~a~a │ ~a~a~%"
+            (time->string (attr ev 'DTSTART) "~1 ~3") ; TODO show truncated string
+            (if (= i cur-event) "\x1b[7m" "")
+            (color-escape (attr (parent ev) 'COLOR))
+            ;; Summary filter is a hook for the user
+            (trim-to-width ((summary-filter) ev (attr ev 'SUMMARY)) 30)
+            STR-RESET
+            (trim-to-width
+             (or (attr ev 'LOCATION) "\x1b[1;30mINGEN LOKAL") 20)
+            STR-RESET))
+  events
+  (iota (length events))))
+
+(define (now)
+  (date->time-utc (current-date)))
+
+(define (displayln a)
+  (display a) (newline))
+
+(define (main-loop event-stream)
+  (define time (now))
+  (define cur-event 0)
+  (while #t
+    (let ((events
+           (stream->list
+            (filter-sorted-stream
+             (cut event-in? <> time)
+             event-stream))))
+
+      (cls)
+      (display-calendar-header! (time-utc->date time))
+
+      (displayln (box-top #\┬ #\─ 20 32 10))
+      (display-event-table cur-event events)
+      (displayln (box-top #\┴ #\─ 20 32 10))
+
+      (unless (null? events)
+        (let ((ev (list-ref events cur-event)))
+          (format #t "~a~%~a~%~aStart: ~a	Slut: ~a~%~%~a~%"
+                  (attr ev 'X-HNH-FILENAME)
+                  (attr ev 'SUMMARY)
+                  (or (and=> (attr ev 'LOCATION) (cut string-append "Plats: " <> "\n")) "")
+                  (time->string (attr ev 'DTSTART) "~1 ~3")
+                  (time->string (attr ev 'DTEND) "~1 ~3")
+                  (string-join   ; TODO replace this with a better text flower
+                   (take-to      ; This one destroys newlines used for layout
+                    (string->wrapped-lines (or (attr ev 'DESCRIPTION) "")
+                                           #:line-width 60
+                                           #:collapse-whitespace? #f)
+                    10)
+                   (string #\newline))
+                  )))
+
+      (let ((char (read-char)))
+        ;; (format (current-error-port)
+        ;;         "c = ~c (~d)~%" char (char->integer char))
+        (case char
+          ((#\L #\l)
+           (set! time (add-day time)
+                 cur-event 0))
+          ((#\h #\H)
+           (set! time (remove-day time)
+                 cur-event 0))
+          ((#\t)
+           (set! time (now)
+                 cur-event 0))
+          ((#\j #\J) (unless (= cur-event (1- (length events)))
+		       (mod! cur-event 1+)))
+          ((#\k #\K) (unless (= cur-event 0)
+		       (mod! cur-event 1-)))
+          ((#\p) (print-vcomponent (list-ref events cur-event)
+                                   (current-error-port)))
+	  ((#\g) (set! cur-event 0))
+	  ((#\G) (set! cur-event (1- (length events)))))
+
+        (when (or (eof-object? char)
+                  (memv char (list #\q (ctrl #\C))))
+          (break)))
+      )))
+
+(define (terminal-main calendars events args)
+  (with-vulgar
+   (lambda () (main-loop events))))
-- 
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