Joomla/Virtuemart: Sub-Menu items not showing on vertical menu - css

I have mod_mainmenu module on the left side of my page. I have a menu that I've created out of various URL's to different categories in Virtuemart. I did not use the Virtuemart catergories module because I didn't want ALL categories to appear, only certain ones.
Does anyone have any suggestions as to what may be happening?
==MORE INFO: 01/24/12==
I want the sub-menus to slide or something when I scrollover or click on them, but they aren't.
Start Level is at 0, End Level is at 10, and Always show sub-menu items is on No. When I change 'Always show sub-menu items' to 'Yes', it will show the sub-menu items, but I don't want them to always show.
Another strange thing: I tried using the RokNavMenu module since I know that it has a slide feature, and that one doesn't do it either.
The 'ARI Ext Menu' module does, but it won't show the names of the sub-menus, just bullet points.

There are 3 settings you need to look at in your module config - Start Level, End Level, and Always show sub-menu Items. Keep in mind that numbering starts at 0, so start level should be 0, End Level should be some number greater than the number of submenu levels you have or plan to have, and Always show sub-menu items should be set to yes.

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please help me with this problem:
there is such a site, I need the portfolio to have accordions in a column, but the block itself opens them as a checkbox (one is open, the other closes) and I need to be able to add an infinite number of such accordions, and they occupied only the space of the block in which are. while not going beyond the scope of other blocks, and with the possibility of scrolling the list of accordions. how can this be solved?
Link to my github project
I tried to change the values in the "Panel" block for automatic height adjustment, considering that the next accordion is lower than the previous one

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There is something really strange happening with the menu on the child theme "Education" of the Genesis framework. This framework has two navigation positions: primary and secondary. As you can see here both appear one under the other in the red area. However, there is a third position that seems to be hardcoded in the child theme (?) and won't go away even if I don't assign a position to the menu.
Can you guys give me an idea what is going on? I'm not very good at this stuff. I tried looking into the child theme's code, but found nothing referencing this...
Ultumately what I want to do is use the top position (the one in the white area), but I can't, because I need to make the site multilingual, but that top position doesn't appear in the menu options, so I can't assign different menus for the different languages.
The white area at the top right is a widget area. The site already has two widgets in that Header Right widget area - a text widget (with the phone number), and a nav menu widget (the three locales).
You could make it two nav menu widgets. See Appearance -> Widgets, or use the Customizer. Alternatively, you could adjust the CSS, so that the red / grey locale 'tabs' become different looking links with a white background.
Also useful, if you do just need a single menu location there, would be the Genesis Header Nav plugin.

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I have some problems with my main menu bar. The menu bar has three levels; level one holds the main items, level 2 is the menu that goes down as soon as I put the mouse over a level 1 item and the level 3 menu appears on the right side of the level 2 menu. You can see these things on the following image:
What I want to achieve is that the level three menu is covered by the level two menu, exactly like it is shown on the picture. I want the shadow to be on the level three menu.
Now at the moment it is the other way round, namely the level three menu lies on the level two menu. So the shadow of the level 3 menu is placed on the level 2 menu. You can see this by clicking on the following link: http://beleveneleven.bplaced.net/
I tried this by changing the z-index, creating a new stack layer by using the :before pseudo-css selector, but nothing worked until now.
Any help is very appreciated!
Thanks.

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Using a blank Wordpress theme to create a custom site, but it did not have any CSS for a drop down submenu. I have it basically working but when I try to move the cursor to the second drop down item down under the (events tab) the sub menu disappears.
site is here
I thought I have it all set to display block so that the whole menu item is the button, but not the case here.
You need to set the z-index of the drop down menu higher than the image. By default elements have a z-index of 1, so anything greater than 1 will do (unless you've specified otherwise)

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Updated to add:
I have fixed this, after a fashion. First, I tried calling MySubmenu -> clear() and rebuilding the sub-menu whenever the parent menu was clicked. Surprisingly, this didn't work. So I brought in the big guns: delete MySubmenu followed by MySubmenu = new QMenu (MyMainWindow) and rebuilding the sub-menu. It works now, without much noticeable delay. So I'm happy, I suppose.
Original question:
I have a sub-menu with about 1000 items in it (it's a list of C functions in a debugger). By default, Qt displays the sub-menu in columns, but this sub-menu is too big to fit on the screen, and I have no way to access the items that don't fit.
So I made the sub-menu scrollable, using a style sheet:
MySubmenu -> setStyleSheet ("* { menu-scrollable: 1 }") ;
It looks like this:
Note the scroll buttons at the top and bottom. But now if I select an item (PopRecordLength in this example), then the next time I open the sub-menu, all items above PD_DecryptCommand have disappeared:
The scroll button at the top has disappeared (the little line you can see is an underscore from what used to be the previous item.) And if I scroll down to the bottom, there is a large empty space. The total size of the sub-menu hasn't changed, but the items above PD_DecryptCommand have disappeared off the top, and I can't access them with mouse or keyboard.
However...I have just discovered, in the process of preparing this post, that if I click on this large empty space, the sub-menu disappears, but the next time I open it, it has been restored to its original state. So there is a work-around. But it's not very friendly.
Is this a bug in Qt? Or am I not setting the style sheet correctly?
Probably, since you have so many items that the menu takes the whole screen height, when you select an item its height increases a bit and the scroll button on top gets out of view.
I would try to connect the triggered signal of the menu with the update slot in order to get the menu repainted every time an action has been triggered
connect(MySubmenu , SIGNAL(triggered(QAction*), MySubmenu , SLOT(update()));
You could also try changing the max-height of your menu (max-height stylesheet property).
I'm sorry, not really an answer to your question, but do you really think it's a good idea to put 1000 items into a menu? The usability of this is just terrible. You should find a better way to present so many actions to the user, such as alphabetical submenus ("p" -> "PopRecordLength", "PopShort" ... ). This would also solve your problem with the menu.

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