How about Maya dev team provide more supported Maya commands to access Qt?
Come on now its been more than 8 years and no support! Please?
1-push Button (under Buttons group) --------------------Maya command to access------------> button;
2-radio button (under Buttons group) --------------------Maya command to access------------> radioButton;
3-check box(under Buttons group) -----------------------Maya command to access------------> checkBox;
4-combo box (under containers group) ------------------Maya command to access------------> optionMenu;
5-line edit (under input widgets group) -------------------Maya command to access------------> textField;
6-spin box (under input widgets group) ------------------Maya command to access------------> NONE
7-double spine box (under input widgets group)---------Maya command to access------------> NONE
8-dial (under input widgets group) ------------------------Maya command to access------------> NONE
9-list view (under item views model based) --------------Maya command to access------------> textScrollList;
10-horizontal slider (under input widgets) ----------------Maya command to access------------> intSlider;
11-label (under display widgets group) -------------------Maya command to access------------> NONE
12-progress bar (under display widgets group) ----------Maya command to access------------> progressBar;
13-vertical slider (under input widgets) -------------------Maya command to access------------> intSlider;
14-horizontal line (under input widgets) ------------------Maya command to access------------> NONE
15-vertical line (under input widgets) ---------------------Maya command to access------------> NONE
16-group box (under containers group) ------------------Maya command to access------------> NONE
17-tab widget (under container group) -------------------Maya command to access------------> tabLayout
18-main window --------------------------------------------Maya command to access------------> window;
http://forums.cgsociety.org/archive/index.php?t-1010703.html
