GUACAMOLE-1943: Add ctrl+arrows/ctrl+backspace/ctrl+suppr shortcuts

Author: corentin-soriano

src/terminal/terminal.c

@@ -1654,6 +1654,22 @@ static int __guac_terminal_send_key(guac_terminal* term, int keysym, int pressed
             else if (keysym >= '3' && keysym <= '7')
                 data = (char) (keysym - '3' + 0x1B);
 
+            /* CTRL+Left: return to previous word  */
+            else if (keysym == 0xFF51 || keysym == 0xFF96)
+                return guac_terminal_send_string(term, "\033[1;5D");
+
+            /* CTRL+Right: go to next word */
+            else if (keysym == 0xFF53 || keysym == 0xFF98)
+                return guac_terminal_send_string(term, "\033[1;5C");
+
+            /* CTRL+Backspace: remove word (map to CTRL+w) */
+            else if (keysym == 0xFF08)
+                data = (char) 23;
+
+            /* CTRL+Supr: remove word to right */
+            else if (keysym == 0xFFFF)
+                return guac_terminal_send_string(term, "\033D");
+
             /* Otherwise ignore */
             else
                 return 0;