From 8be21e8ed1cc43f92b838c1f1a98ad871f50945c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9s=20Cuervo?= <andrescuervor@gmail.com>
Date: Sun, 22 Oct 2023 11:47:26 -0400
Subject: Implement ctrl+a and ctrl+e

---
 virtual-programs/editor.folk | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

(limited to 'virtual-programs')

diff --git a/virtual-programs/editor.folk b/virtual-programs/editor.folk
index b7f150e1..0c62f018 100644
--- a/virtual-programs/editor.folk
+++ b/virtual-programs/editor.folk
@@ -123,6 +123,14 @@ proc rotateStroke {points center angle} {
   }
 }
 
+proc getLineLength {code cursor} {
+  set lines [split $code "\n"]
+  set line [lindex $lines [lindex $cursor 1]]
+  set ll [string length $line]
+  puts "linelength: $ll"
+  return $ll
+}
+
 proc getLineShift {lines} {
   set longestLineLength 0
   foreach line [split $lines "\n"] {
@@ -148,6 +156,7 @@ proc drawCursor {cursorPosition lineShift region} {
   set shiftMultiplier [list 10 10]
 
   # 20 20 scale is arbitrary, computing it off of Display or something .....
+  # TODO: Pull these variables from the Display file
   set cursorScale [list 20 20] ;# OLD
   # set cursorScale [list $cursorHeight $cursorWidth]
 
@@ -162,9 +171,6 @@ proc drawCursor {cursorPosition lineShift region} {
   # Calculate the final cursor position
   set scaledCursor [vec2::mult $cursorScale $cursorPosition]
 
-  puts "lineShiftHalf | multipliedShift | adjustedShift | shiftedAnchor | scaledCursor"
-  puts "$lineShiftHalf | $multipliedShift | $adjustedShift | $shiftedAnchor | $scaledCursor"
-
   # Something is going wrong here, I think
   set finalCursor [add $shiftedAnchor $scaledCursor]
   # debug $finalCursor gold
@@ -259,7 +265,6 @@ Every time keyboard claims key /currentCharacter/ is down with modifiers /modifi
         Claim the cursor is $cursor
       }
       default {
-        Claim the cursor is [updateCursor $cursor {x 1}]
         if {$modifier == "ctrl" & $currentCharacter == "p"} {
           Wish to print $code with job id [expr {rand()}]
           return
@@ -269,6 +274,19 @@ Every time keyboard claims key /currentCharacter/ is down with modifiers /modifi
           Claim the cursor is [list 0 0]
           return
         }
+        if {$modifier == "ctrl" & $currentCharacter == "a"} {
+          Commit code { Claim $id has program code $code}
+          lassign $cursor x y
+          Claim the cursor is [list 0 $y]
+          return
+        }
+        if {$modifier == "ctrl" & $currentCharacter == "e"} {
+          Commit code { Claim $id has program code $code}
+          lassign $cursor x y
+          Claim the cursor is [list [getLineLength $code $cursor] $y]
+          return
+        }
+        Claim the cursor is [updateCursor $cursor {x 1}]
         Commit code { Claim $id has program code [insertCharacter $code $currentCharacter $cursor] }
       }
     }
-- 
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