feat: implement copy_url_to_clipboard keybinding action functionality

src/Surface.zig

@@ -3932,6 +3932,27 @@ pub fn performBindingAction(self: *Surface, action: input.Binding.Action) !bool
             return false;
         },
 
+        .copy_url_to_clipboard => {
+            const pos = try self.rt_surface.getCursorPos();
+
+            if (!self.mouse.over_link) {
+                return false;
+            }
+
+            if (try self.linkAtPos(pos)) |link| {
+                const str = try self.io.terminal.screen.selectionString(self.alloc, .{
+                    .sel = link[1],
+                    .trim = false,
+                });
+                defer self.alloc.free(str);
+
+                try self.rt_surface.setClipboardString(str, .standard, false);
+                return true;
+            }
+
+            return false;
+        },
+
         .paste_from_clipboard => try self.startClipboardRequest(
             .standard,
             .{ .paste = {} },

src/input/Binding.zig

@@ -256,6 +256,8 @@ pub const Action = union(enum) {
 
     /// Copy and paste.
     copy_to_clipboard: void,
+    /// Copy the URL under cursor to the clipboard.
+    copy_url_to_clipboard: void,
     paste_from_clipboard: void,
     paste_from_selection: void,
 
@@ -707,6 +709,7 @@ pub const Action = union(enum) {
             .cursor_key,
             .reset,
             .copy_to_clipboard,
+            .copy_url_to_clipboard,
             .paste_from_clipboard,
             .paste_from_selection,
             .increase_font_size,