Merge pull request #2 from wez/master

allow `b` for paging backwards
markbt · Jun 3, 2019 · 8107d12 · 8107d12
2 parents 0403834 + 8b56a69
commit 8107d12
Show file tree

Hide file tree

Showing 3 changed files with 21 additions and 19 deletions.
diff --git a/README.md b/README.md
@@ -95,8 +95,8 @@ is equivalent to the previous example.
 
 * **Cursor Keys**: Move one line or four columns.
 * **`Shift` + Cursor Keys**: Move one quarter of the screen.
-* **`Page Up`** and **`Page Down`**: Move a full screen up or down.
-* **`Backspace`** and **`Space`**: Move a full screen up or down.
+* **`Page Down`** or **`Space`**: Move a full page down.
+* **`Page Up`**, **`Backspace`** or **`b`**: Move a full page up.
 * **`Home`** and **`End`**: Move to the top or bottom of the file.
 * **`:`**: Go to a line number or percentage through the file.
 * **`[`** and **`]`**: Switch to the previous or next file.

diff --git a/src/help.txt b/src/help.txt
@@ -3,31 +3,31 @@
 
   [1;4mGeneral[m
 
-    [1mq[m                      Quit
-    [1m?[2m or [1mh[m                 Show this help
-    [1mEsc[m                    Close help or any open prompt
+    [1mq[m                         Quit
+    [1m?[2m or [1mh[m                    Show this help
+    [1mEsc[m                       Close help or any open prompt
 
   [1;4mNavigation[m
 
-    [1mCursor Keys[m            Move one line or four columns
-    [1mShift + Cursor Keys[m    Move one quarter of the screen
-    [1mPage Up[2m and [1mPage Down[m  Move a full screen up or down
-    [1mBackspace[2m and [1mSpace[m    Move a full screen up or down
-    [1mHome[2m and [1mEnd[m           Move to the top or bottom of the file
-    [1m:[m                      Move to a line number or percentage
-    [1m[[2m and [1m][m                Switch to the previous or next file
+    [1mCursor Keys[m               Move one line or four columns
+    [1mShift + Cursor Keys[m       Move one quarter of the screen
+    [1mPage Down[2m or [1mSpace[m        Move a full page down
+    [1mPage Up[2m, [1mBackspace[2m or [1mb[m   Move a full page up
+    [1mHome[2m and [1mEnd[m              Move to the top or bottom of the file
+    [1m:[m                         Move to a line number or percentage
+    [1m[[2m and [1m][m                   Switch to the previous or next file
 
   [1;4mPresentation[m
 
-    [1m#[m                      Toggle display of line numbers
+    [1m#[m                         Toggle display of line numbers
 
   [1;4mSearching[m
 
-    [1m/[m                      Search from the top of the file
-    [1m<[2m and [1m>[m                Search backwards or forwards from here
+    [1m/[m                         Search from the top of the file
+    [1m<[2m and [1m>[m                   Search backwards or forwards from here
 
-    [1m.[2m and [1m,[m                Move to the next or previous match
-    [1mn[2m and [1mp[m                Move to the next or previous matching line
-    [1m([2m and [1m)[m                Move to the first or last match
+    [1m.[2m and [1m,[m                   Move to the next or previous match
+    [1mn[2m and [1mp[m                   Move to the next or previous matching line
+    [1m([2m and [1m)[m                   Move to the first or last match
 
 
diff --git a/src/screen.rs b/src/screen.rs
@@ -741,7 +741,9 @@ impl Screen {
                     1,
                 ));
             }
-            (Modifiers::NONE, PageUp) | (Modifiers::NONE, Backspace) => {
+            (Modifiers::NONE, PageUp)
+            | (Modifiers::NONE, Backspace)
+            | (Modifiers::NONE, Char('b')) => {
                 self.scroll_up(max(
                     self.rendered_position.height - self.rendered_overlay_height,
                     1,