Use insert() method instead of operator[].
tree6a5487044047d7447fde4ddc72f575748ecb6a6f
-rw-r--r-- 279 .gitignore
-rw-r--r-- 251 AUTHORS
-rw-r--r-- 32473 COPYING
-rw-r--r-- 730 INSTALL
-rw-r--r-- 244 README
drwxr-xr-x - docs
drwxr-xr-x - res
-rw-r--r-- 3231 sloppygui.pro
drwxr-xr-x - src
drwxr-xr-x - tools
drwxr-xr-x - ui