From 90381b6d517d1a68e91c7049c04b476285c4f79d Mon Sep 17 00:00:00 2001
From: Scott Worley <scottworley@scottworley.com>
Date: Sat, 29 Jan 2022 15:10:25 -0800
Subject: [PATCH] ^e and ^y for scrolling without moving the cursor

---
 vopamoi.ts | 45 +++++++++++++++++++++++++--------------------
 1 file changed, 25 insertions(+), 20 deletions(-)

diff --git a/vopamoi.ts b/vopamoi.ts
index 9137ff5..3798488 100644
--- a/vopamoi.ts
+++ b/vopamoi.ts
@@ -489,6 +489,7 @@ function BrowserUI() {
 }
 const browserUI = BrowserUI();
 
+const scrollIncrement = 60;
 enum InputState {
   Root,
   S,
@@ -512,31 +513,35 @@ function handleKey(event: any) {
       if (event.key == "Escape") return browserUI.completeEdit(event, CommitOrAbort.Abort);
     }
   } else {
-    if (event.ctrlKey) return; // eg: Don't redo when user refreshes the page with ctrl-R
     if (inputState === InputState.Root) {
       if ("0" <= event.key && event.key <= "9") {
         return (inputCount = (inputCount ?? 0) * 10 + parseInt(event.key));
       }
       try {
-        if (event.key == "j") return browserUI.moveCursor(inputCount ?? 1);
-        if (event.key == "k") return browserUI.moveCursor(-(inputCount ?? 1));
-        if (event.key == "J") return browserUI.moveTask(inputCount ?? 1);
-        if (event.key == "K") return browserUI.moveTask(-(inputCount ?? 1));
-        if (event.key == "G") return browserUI.jumpCursor(inputCount ?? MAX_SAFE_INTEGER);
-        if (event.key == "T") return browserUI.makeTopPriority();
-        if (event.key == "n") return browserUI.focusTaskNameInput(event);
-        if (event.key == "c") return browserUI.setState("cancelled");
-        if (event.key == "d") return browserUI.setState("done");
-        if (event.key == "q") return browserUI.setState("todo");
-        if (event.key == "s") return (inputState = InputState.S);
-        if (event.key == "w") return browserUI.setState("waiting");
-        if (event.key == "X") return browserUI.setState("deleted");
-        if (event.key == "x") return browserUI.removeTag();
-        if (event.key == "u") return browserUI.undo();
-        if (event.key == "r") return browserUI.redo();
-        if (event.key == "e") return browserUI.beginEdit(event);
-        if (event.key == "t") return browserUI.beginTagEdit(event);
-        if (event.key == "v") return (inputState = InputState.V);
+        if (event.ctrlKey) {
+          if (event.key == "e") return window.scrollBy(0, (inputCount ?? 1) * scrollIncrement);
+          if (event.key == "y") return window.scrollBy(0, (inputCount ?? 1) * -scrollIncrement);
+        } else {
+          if (event.key == "j") return browserUI.moveCursor(inputCount ?? 1);
+          if (event.key == "k") return browserUI.moveCursor(-(inputCount ?? 1));
+          if (event.key == "J") return browserUI.moveTask(inputCount ?? 1);
+          if (event.key == "K") return browserUI.moveTask(-(inputCount ?? 1));
+          if (event.key == "G") return browserUI.jumpCursor(inputCount ?? MAX_SAFE_INTEGER);
+          if (event.key == "T") return browserUI.makeTopPriority();
+          if (event.key == "n") return browserUI.focusTaskNameInput(event);
+          if (event.key == "c") return browserUI.setState("cancelled");
+          if (event.key == "d") return browserUI.setState("done");
+          if (event.key == "q") return browserUI.setState("todo");
+          if (event.key == "s") return (inputState = InputState.S);
+          if (event.key == "w") return browserUI.setState("waiting");
+          if (event.key == "X") return browserUI.setState("deleted");
+          if (event.key == "x") return browserUI.removeTag();
+          if (event.key == "u") return browserUI.undo();
+          if (event.key == "r") return browserUI.redo();
+          if (event.key == "e") return browserUI.beginEdit(event);
+          if (event.key == "t") return browserUI.beginTagEdit(event);
+          if (event.key == "v") return (inputState = InputState.V);
+        }
       } finally {
         inputCount = null;
       }
-- 
2.44.1