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Menu vs module improvements (split from patch thread)

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Offline dmitrys

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Menu vs module improvements (split from patch thread)
« on: 10 / June / 2017, 12:29:37 »
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Here's a patch to display a warning rather than an empty Games or Modules submenu.

The message box is supposed to display "Empty" (but is actually empty).

See below for new patch.
« Last Edit: 11 / June / 2017, 19:45:24 by reyalp »
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Offline dmitrys

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Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #1 on: 11 / June / 2017, 16:52:27 »
Fixed menus.diff to menus2.diff, should apply cleanly now.
« Last Edit: 11 / June / 2017, 17:19:57 by dmitrys »
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Offline reyalp

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Re: Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #2 on: 11 / June / 2017, 18:30:47 »
Quote from: dmitrys on 11 / June / 2017, 16:52:27
Fixed menus.diff to menus2.diff, should apply cleanly now.
I appreciate the effort you put into this, but is it really a situation we need to handle? CHDK at present always includes games and utility modules, so the only way you'd see these cases are a bad install or the user deliberately removing them.

Given that all the modules together are only a few hundred KB, I'm not convinced there's much reason to spend effort on this case. Unless it makes the code simpler or clearer or supports some other worthwhile improvement.
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Offline philmoz

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Re: Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #3 on: 11 / June / 2017, 19:06:31 »
Quote from: dmitrys on 11 / June / 2017, 16:33:30
The next step should be to move module-specific menus into their respective modules.


I did this previously; but it was eventually reverted.
The problem is this prevents module menus from being added to the user menu.
It was decided this was more important than the small space saving.


Phil.

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Offline dmitrys

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Re: Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #4 on: 11 / June / 2017, 19:18:48 »
Quote from: reyalp on 11 / June / 2017, 18:30:47
I appreciate the effort you put into this, but is it really a situation we need to handle? CHDK at present always includes games and utility modules, so the only way you'd see these cases are a bad install or the user deliberately removing them.

The problem is there is a lot of clutter in CHDK menus; I'm thinking of adding an option to select which CHDK modules to install.

Quote from: reyalp
Given that all the modules together are only a few hundred KB, I'm not convinced there's much reason to spend effort on this case. Unless it makes the code simpler or clearer or supports some other worthwhile improvement.

How about caching the module infos so they are not read twice? I'm almost done implementing that, so let's wait for a new patch.
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Offline dmitrys

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Re: Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #5 on: 11 / June / 2017, 19:20:55 »
Quote from: philmoz on 11 / June / 2017, 19:06:31
I did this previously; but it was eventually reverted.
The problem is this prevents module menus from being added to the user menu.
It was decided this was more important than the small space saving.

Interesting. Is there no way to solve that? IMHO space is of lesser concern than having a truly modular system.

P.S. My patch also seems to break the user menu >:(
« Last Edit: 11 / June / 2017, 19:41:20 by dmitrys »
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Offline reyalp

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Re: Menu vs module improvements (split from patch thread)
« Reply #6 on: 11 / June / 2017, 19:51:22 »
I split this into a new thread since it seems like warrants more than a couple of posts of discussion.

Quote from: dmitrys on 11 / June / 2017, 19:18:48
The problem is there is a lot of clutter in CHDK menus; I'm thinking of adding an option to select which CHDK modules to install.
As I think I mentioned in the CHIMP thread, I'm not in favor of this. The games and modules submenus are buried in the misc menu anyway, so they shouldn't inconvenience day to day use much.

For other functionality, I'd rather have everything that's described in the manual be present.

Quote
IMHO space is of lesser concern than having a truly modular system.
The main reason we have modules is the very limited RAM available to CHDK. It would be nice to have the code more structurally modular, but that's a secondary consideration.
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Offline philmoz

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Re: Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #7 on: 11 / June / 2017, 19:53:41 »
Quote from: dmitrys on 11 / June / 2017, 19:20:55
Quote from: philmoz on 11 / June / 2017, 19:06:31
I did this previously; but it was eventually reverted.
The problem is this prevents module menus from being added to the user menu.
It was decided this was more important than the small space saving.

Interesting. Is there no way to solve that? IMHO space is of lesser concern than having a truly modular system.


Only by making the module system even more complex than it already is.


Phil.

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Offline dmitrys

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Re: Menu vs module improvements (split from patch thread)
« Reply #8 on: 11 / June / 2017, 21:05:45 »
This almost works:
Code: (modules/user_menu_edit.c) [Select]
// Call a function to process a menu item (may be a sub-menu loaded via a module)
static void select_proc()
{
    CMenu* submenu;
    if (curr_menu->menu[gui_menu_curr_item].value)
    {
        ((void(*)(CMenu** arg))(curr_menu->menu[gui_menu_curr_item].value))(&submenu);
        gui_activate_sub_menu(submenu);
    }
}
Code: (core/gui.c) [Select]
static void gui_submenu_proc(CMenu* submenu, int arg)
{
    if (!arg)
        gui_activate_sub_menu(submenu);
    else
        *((CMenu**)arg) = submenu;
}

static void gui_misc_submenu(int arg)
{
    if (misc_submenu.menu == 0)
        init_misc_submenu();
    gui_submenu_proc(&misc_submenu, arg);
}

The editor can now enter the Miscellaneous menu, but fails to save it as an item. Any ideas?

P. S. Since the root menu is also populated dynamically, the user menu is now always empty.
« Last Edit: 11 / June / 2017, 21:40:47 by dmitrys »
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Offline dmitrys

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Re: Re: Adding new cameras, applying patches into trunk (with source code prepared)
« Reply #9 on: 12 / June / 2017, 07:06:21 »
Quote from: philmoz on 11 / June / 2017, 19:06:31
Only by making the module system even more complex than it already is.

Please elaborate. It looks like the above hack would also work for modules, wouldn't it?
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