tmux: Rudimentary vim's text object simulation

Add non-robust emulation of vim's v_i{w,W,p,quote,'}.

TODO: Is there a better way of doing else-if?

.config/tmux/tmux.conf

@@ -146,7 +146,44 @@ bind -T copy-mode-vi Escape \
 bind -T copy-mode-vi A send -X cancel
 bind -T copy-mode-vi I send -X cancel
 bind -T copy-mode-vi a send -X cancel
-bind -T copy-mode-vi i send -X cancel
+
+# Rudimentary text object simulation
+# TODO: Breaks when on the beginning or end of the object
+bind -T copy-mode-vi i \
+	if -F "#{selection_present}" {
+		command-prompt -k -p (operator-pending) {
+			if -F "#{==:%1,w}" {
+				# send "boe"
+				send -X previous-word
+				send -X other-end
+				send -X next-word-end
+			}{ if -F "#{==:%1,W}" {
+				# send "BoE"
+				send -X previous-space
+				send -X other-end
+				send -X next-space-end
+			}{ if -F "#{==:%1,p}" {
+				# send "{j0o}k$"
+				send -X previous-paragraph
+				send -X cursor-down
+				send -X start-of-line
+				send -X other-end
+				send -X next-paragraph
+				send -X cursor-up
+				send -X end-of-line
+			}{ if -F '#{==:%1,"}' {
+				send -X jump-to-backward '"'
+				send -X other-end
+				send -X jump-to-forward '"'
+			}{ if -F "#{==:%1,'}" {
+				send -X jump-to-backward "'"
+				send -X other-end
+				send -X jump-to-forward "'"
+			}}}}}
+		}
+	} {
+		send -X cancel
+	}
 
 # Simulate vim's C-e & C-y (Keep cursor position while scrolling). As tmux
 # cannot scroll past the first and last history line, both bindings stop