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authorDana Jansens <danakj@orodu.net>2002-04-11 03:20:38 +0000
committerDana Jansens <danakj@orodu.net>2002-04-11 03:20:38 +0000
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+Creating a user defined menu:
+-----------------------------
+Creating a menu for Openbox requires a text editor of some sort. Familiarity
+with your choice of text editor is assumed, since editor preference differs
+as much (if not more than) window manager preference.
+
+First, we need to decide on a location for our custom menu. Your home
+directory is the most logical solution, since you will most likely not have
+write access anywhere else. You place the menu file in any directory, and
+give it any name you choose, as we will later tell Openbox the path or
+location for this file.
+
+As an example, let's assume that my home directory is `/home/bhughes' (which it
+is). I've decided to keep all my Openbox related files in a directory named
+`openbox.' After creating the directory, I now have two options for creating
+my new menu. I can either copy the system default (usually in
+`/usr/local/share/Openbox/menu') to this directory, or I can create a new
+one from scratch. Let's do the latter, for the sake of completeness.
+
+I've decided to name the file `rootmenu.' I fire up my favorite text editor
+and now have a clean file. So let's begin.
+
+
+Menu syntax:
+------------
+The menu syntax is very simple and very effective. There are upto three
+fields in a menu line. They are of the form:
+
+ [tag] (label or filename) {command or filename}
+
+The supported tags are as follows:
+
+[begin] (label for root menu)
+
+ This tells Openbox to start parsing the menu file. This tag is
+ required for Openbox to parse your menu file. If it cannot find it,
+ the system default menu is used instead.
+
+[end]
+
+ This tells Openbox that it is at the end of a menu. This can either
+ be a submenu or the main root menu. There must be at least one
+ of these tags in your menu to correspond to the required [begin] tag.
+
+[exec] (label for command) {shell command}
+
+ This tells Openbox to insert a command item into the menu. When you
+ select the menu item from the menu, Openbox runs `shell command.'
+
+[exit] (label for exit)
+
+ This tells Openbox to insert an item that shuts down and exits
+ Openbox. Any open windows are reparented to the root window before
+ Openbox exits.
+
+[include] (filename)
+
+ This tells Openbox to parse the file specified by `filename' inline
+ with the current menu. `filename' can be the full path to a file
+ (such as /usr/local/share/Openbox/brueghel/stylesmenu) or it can
+ begin with `~/', which will be expanded into your home directory
+ (e.g. [include] (~/.openbox/stylesmenu) will include
+ /home/bhughes/.openbox/stylesmenu in my menu)
+
+[nop] (label - optional)
+
+ This tells Openbox to insert a non-operational item into the current
+ menu. This can be used to help format the menu into blocks or sections
+ if so desired (e.g. you could put all your ssh accounts together, add
+ a [nop] and then add all your telnet accounts together). [nop] does
+ accept a label, but it is not required, and a blank item will be used
+ if none is supplied.
+
+[style] (label) {filename}
+
+ This tells Openbox to read `filename' and apply the new textures,
+ colors and fonts to the current running session. The filename is
+ just like the [include] tag, it can be the full path to the file,
+ or it can be of the form `~/path/from/home/dir.' Openbox also
+ re-reads the entire menu structure from disk, incase the menu has
+ changed.
+
+[submenu] (label) {title for menu - optional}
+
+ This tells Openbox to create and parse a new menu. This menu is
+ inserted as a submenu into the parent menu. These menus are parsed
+ recursively, so there is no limit to the number of levels or nested
+ submenus you can have. The title for the new menu is optional, if
+ none is supplied, the new menu's title is the same as the item label.
+
+[reconfig] (label)
+
+ This tells Openbox to reread the current style and menu files and
+ apply any changes. This is useful for creating a new style or theme,
+ as you don't have to constantly restart Openbox every time you save
+ your style.
+
+[restart] (label) {shell command - optional}
+
+ This tells Openbox to restart. If `shell command' is supplied, it
+ shuts down and runs the command (which is commonly the name of another
+ window manager). If the command is omitted, Openbox restarts itself.
+
+[workspaces] (label)
+
+ This tells Openbox to insert a "link" to the workspaces menu directly
+ into your menu. This is handy for those users who can't access the
+ workspace menu directly (e.g. if you don't have a 3 button mouse, it's
+ rather hard to middle click to show the workspace menu). This is a
+ "link" to the systems workspace menu, so multiple [workspaces] tags
+ will display the same workspace menu, so expect it to move around if
+ you do so. ;)
+
+[config] (label)
+
+ This tells Openbox to insert the ConfigMenu into your menu. From
+ this menu you can configure several options stored in your
+ ~/.openbox/rc, and the changes take effect immediately.
+
+Comments may be inserted on any line of the file, as long as the first
+character on the line is a `#.'
+
+Also, in the labels/commands/filenames fields, you can escape any character
+like so:
+
+ [exec] (\(my cool\) \{XTERM\}) {\(xterm -T \\\"cool XTERM\\\"\)}
+
+Using `\\' inserts a literal back-slash into the label/command/filename field.
+
+
+Putting it all together:
+------------------------
+Alrighty, so let's see if we can understand the arcane incantation above. It
+says we have to have a [begin] and an [end] tag, which create our menu and
+give it a title. Let's do that first:
+
+
+ [begin] (Example \[Menu\])
+
+ [end]
+
+Simple enough. Now let's add some items to the list. We always want to have
+access to a terminal emulator, be it a regular xterm or something else.
+So we add the item to our menu, and it now looks like this:
+
+...
+[begin] (Example \[Menu\])
+[exec] (xterm) {xterm -ls}
+[end]
+...
+
+Great! Now let's add us some items to run an irc client, a web browser and
+some other common programs. This gives up this:
+
+...
+[begin] (Example \[Menu\])
+[exec] (xterm) {xterm -ls}
+[exec] (efnet irc) {xterm -e irc fnord irc.efnet.net}
+[exec] (Mozilla Navigator) {mozilla}
+[exec] (XEmacs) {xemacs}
+[exec] (The GIMP) {gimp}
+[exec] (Video Tune) {xvidtune}
+[end]
+...
+
+Whoa, wait a second. This menu file is beginning to look a little cluttered.
+Not a problem, just like programmers indent and space their code, we can
+do this with our menu file, so let's clean it up a bit:
+
+...
+[begin] (Example \[Menu\])
+ [exec] (xterm) {xterm -ls}
+ [exec] (efnet irc) {xterm -e irc fnord irc.efnet.net}
+
+ [exec] (Mozilla Navigator) {mozilla}
+ [exec] (XEmacs) {xemacs}
+
+ [exec] (Konqueror) {konqueror}
+ [exec] (The GIMP) {gimp}
+
+ [exec] (Video Tune) {xvidtune}
+[end]
+...
+
+Ahh... now that looks a little better. Now we decide that we kind of like the
+spacing in the file, and decide we want to apply it to the menu itself. Now
+we take advantage of the [nop] tag:
+
+...
+[begin] (Example \[Menu\])
+ [exec] (xterm) {xterm -ls}
+ [exec] (efnet irc) {xterm -e irc fnord irc.efnet.net}
+
+ [nop]
+
+ [exec] (Mozilla Navigator) {mozilla}
+ [exec] (XEmacs) {xemacs}
+
+ [nop]
+
+ [exec] (Konqueror) {konqueror}
+ [exec] (The GIMP) {gimp}
+
+ [nop]
+
+ [exec] (Video Tune) {xvidtune}
+[end]
+...
+
+Now, let's create a submenu to put some items to change between all these
+themes we downloaded from http://bb.classic.themes.org/. Let's assume we
+untarred the themes into the ~/.openbox directory like the documentation on
+the themes.org site recommends.
+
+...
+[begin] (Example \[Menu\])
+ [exec] (xterm) {xterm -ls}
+ [exec] (efnet irc) {xterm -e irc fnord irc.efnet.net}
+
+ [nop]
+
+ [exec] (Mozilla Navigator) {mozilla}
+ [exec] (XEmacs) {xemacs}
+
+ [nop]
+
+ [exec] (Konqueror) {konqueror}
+ [exec] (The GIMP) {gimp}
+
+ [nop]
+
+ [exec] (Video Tune) {xvidtune}
+
+ [submenu] (Themes) {Themes from bb.classic.themes.org}
+ [style] (Openbox) {~/.openbox/styles/blackbox}
+ [style] (Openbox II) {~/.openbox/styles/blackbox2}
+ [style] (Hardware) {~/.openbox/styles/hardware}
+ [style] (Nova) {~/.openbox/styles/nova}
+ [style] (Orbital) {~/.openbox/styles/orbital}
+ [style] (Orbital II) {~/.openbox/styles/orbital2}
+ [style] (Seething) {~/.openbox/styles/seething}
+ [style] (Zero) {~/.openbox/styles/zero}
+ [style] (Cold Fusion) {~/.openbox/styles/coldfusion}
+ [end]
+[end]
+...
+
+Even better. Now hold on a second, if we have our themes and styles in
+~/.openbox why do we have to have our menu in ~/openbox? Answer: WE DON'T!
+This is where the choice comes. Do we keep our stuff in two separate
+directories? Do we put it all in one directory? That is up to you to decide.
+I personally prefer to keep everything in one directory (but, I use ~/.openbox
+and have been for a long, long time; long before bb.classic.themes.org was
+even thought of... and again that is *personal* preference, not a hard-fast
+rule).
+
+Now that we've gotten a feel for the menu syntax, we decide to finish off our
+menu. In addition to the styles we downloaded, we decide we also want to
+keep a submenu for the default styles that came with Openbox. All we need
+to do is [include] the styles file from the share directory for Openbox.
+After putting everything together, we have:
+
+
+...
+# custom menu file for Openbox
+
+[begin] (Example \[Menu\])
+ [exec] (xterm) {xterm -ls}
+ [exec] (efnet irc) {xterm -e irc fnord irc.efnet.net}
+
+ [nop]
+
+ [exec] (Mozilla Browser) {mozilla}
+ [exec] (Konqueror) {konqueror}
+ [exec] (XEmacs) {xemacs}
+
+ [nop]
+
+ [exec] (The GIMP) {gimp}
+
+ [nop]
+
+ [exec] (Video Tune) {xvidtune}
+
+ [nop] (...)
+
+ [submenu] (Themes) {Themes from bb.classic.themes.org}
+ [style] (Openbox) {~/.openbox/styles/blackbox}
+ [style] (Openbox II) {~/.openbox/styles/blackbox2}
+ [style] (Hardware) {~/.openbox/styles/hardware}
+ [style] (Nova) {~/.openbox/styles/nova}
+ [style] (Orbital) {~/.openbox/styles/orbital}
+ [style] (Orbital II) {~/.openbox/styles/orbital2}
+ [style] (Seething) {~/.openbox/styles/seething}
+ [style] (Zero) {~/.openbox/styles/zero}
+ [style] (Cold Fusion) {~/.openbox/styles/coldfusion}
+
+# include the default style menu... this is assuming Openbox was installed
+# into /usr/local
+
+ [nop]
+
+ [include] (/usr/local/share/Openbox/styles/stylesmenu)
+ [end]
+
+ [workspaces] (Workspace list)
+
+ [submenu] (Restart) {Restart which?}
+ [restart] (Openbox)
+
+# let's also give us access to some other window managers
+
+ [restart] (Window Maker) {wmaker}
+ [restart] (Enlightenment) {enlightenment}
+ [restart] (KWM) {kwm}
+ [restart] (TWM) {twm}
+ [end]
+
+ [nop] (...)
+
+ [reconfig] (Reconfigure)
+ [exit] (Quit!)
+[end]
+...
+
+And voila! our menu file is finished. Now we need to tell Openbox to read
+this menu file. We do this by editing the file ~/.openbox/rc.
+
+NOTE: your ~/.openbox/rc is auotmatically updated every time Openbox restarts,
+reconfigures, changes styles or exits. Changes to dynamic data like workspace
+count, names, etc. is lost. About the only thing you can change and have it
+preserved is the menu filename, which is what we are about to change.
+
+The format of ~/.openbox/rc is in the X resource database format (just like
+~/.Xdefaults). Since the file is updated automatically, it may be full of
+stuff or it may not even exist (especially if this is the first time we've
+ran Openbox). Don't worry if you have to create ~/.openbox/rc, Openbox will
+see the file the next time it starts.
+
+What we need to do is change the resource for the menu's filename. This is
+done by changing (or adding) the line that looks like so:
+
+...
+session.menuFile: /path/to/some/file
+...
+
+If this resource exists, we change it. If it does not, we add it. Depending
+on where we put the menu file, our new resource could look like this:
+
+...
+session.menuFile: /home/bhughes/.openbox/rootmenu
+...
+
+We save ~/.openbox/rc and then restart Openbox (reconfiguring doesn't work,
+we need Openbox to completely shutdown and reread ALL of it's configuration
+files, not just the ones that control colors/fonts/etc.)
+
+If we've done everything correctly, Openbox restarts itself and our new menu
+is now ready for use. If something doesn't work, read over the above example
+again to make sure you didn't forget a step or leave out the necessary tags.
+
+Now that Openbox has been told where to find it's menu, it does a little more.
+Openbox 0.51.x introduced automagic menu updates. As long as you never
+change session.menuFile, you will never have to restart or reconfigure Openbox
+whenever you change your menu. Openbox watches the timestamps on all the
+files it reads to build your menu. If any of them change, they are reread and
+your menu updated. This check is done everytime you open the root menu. Like
+I said... it is a check, it doesn't reread the menu everytime, it just looks
+at the modification time and rereads when it changes.