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The purpose of this method it seems is to disable the menu item of a sub-menu if all the items within the sub-menu are disabled. The correct is incorrect as it does not handle the situation where some of the items of the sub-menu are separators or groups - these always return true for enablement. However, if we add an if statement to ignore separators and groups, the menu item will become disabled. This causes another problem in the UI. Because the menu item of the sub-menu is disabled, there is no way to show the sub-menu. This is really problematic is the menu item represents one of the main menu item on the menu bar. For example, starting Eclipse with no editors open, the "Edit" menu item is disabled and there is not way to show it's sub-menu items. The windows guideline recommend disabling the menu item of a sub-menu whose items are also all disabled. But it also seems to indicate that access to the sub-menu should still be accessible. But I'm not seeing that behavior at least on Win 2000. Do not know if this is an SWT problem or a platform problem. Also, looking at various Microsoft apps, they do not disable the menu item of a sub- menu whose items are all disabled. The exception was Outlook on XP.
To be looked at for 2.2 stream.
Seems like there could be three behaviors of the submenu item: 1) always enabled, even when its items are not enabled (as now) 2) enabled iff at least one of its items is enabled (my preference, not in any way available now) 3) visible iff at least one of its items is enabled (what I was able to kludge together on 2.0 code) Why not programmatically allow all three? That would just mean allowing # 2, since # 1 and # 3 are currently allowed.
Doing #2 would not be a problem if the user could still select the disabled sub- menu item and have its sub-menu made visible (with all items inside of it disabled). Currently, the OS will not allow the sub-menu to show when the sub- menu item is disabled. Our usuability results indicate not allowing the sub- menu to be shown is more problematic than having the sub-menu item enabled even thought all sub-menu items are disabled.
Moving Dougs bugs
Assigning to component owner PW
This will not be worked on. Please re-open if you feel the community should get a crack at them.
