hook up more control keys: home, end, page up, page down

TODO.md

@@ -27,8 +27,6 @@ Improvements:
 * double-click to select a word
 * triple-click to select a line
 * shift-click and drag to continue selection
-* arrow keys do nothing, should send proper codes
-* home/end should scroll to top/bottom of scrollback
 
 Major Features:
 

src/Window.zig

@@ -534,6 +534,10 @@ fn keyCallback(
                 .down => .down,
                 .right => .right,
                 .left => .left,
+                .home => .home,
+                .end => .end,
+                .page_up => .page_up,
+                .page_down => .page_down,
                 else => .invalid,
             },
         };

src/config.zig

@@ -92,6 +92,10 @@ pub const Config = struct {
         try result.keybind.set.put(alloc, .{ .key = .down }, .{ .csi = "B" });
         try result.keybind.set.put(alloc, .{ .key = .right }, .{ .csi = "C" });
         try result.keybind.set.put(alloc, .{ .key = .left }, .{ .csi = "D" });
+        try result.keybind.set.put(alloc, .{ .key = .home }, .{ .csi = "H" });
+        try result.keybind.set.put(alloc, .{ .key = .end }, .{ .csi = "F" });
+        try result.keybind.set.put(alloc, .{ .key = .page_up }, .{ .csi = "5~" });
+        try result.keybind.set.put(alloc, .{ .key = .page_down }, .{ .csi = "6~" });
 
         return result;
     }

src/input/key.zig

@@ -54,6 +54,10 @@ pub const Key = enum {
     down,
     right,
     left,
+    home,
+    end,
+    page_up,
+    page_down,
 
     // To support more keys (there are obviously more!) add them here
     // and ensure the mapping is up to date in the Window key handler.