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144 lines
5.2 KiB
144 lines
5.2 KiB
# Service Groups demo
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# Written by Luke Kenneth Casson Leighton <lkcl@lkcl.net>
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# This theme is demonstrates how to parse service groups.
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# it's done recursively to give a complete dump of your menu
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# that you will also be able to double-check against kmenuedit
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# and also the KDE Start button.
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#
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# for a real-live usage, see kroller.sez (try searching kde-look.org),
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# which fires off a sub-theme with the service-group menu options when
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# you click on a service group on the "main" bar.
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#this import statement allows access to the karamba functions
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import karamba
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# simple function to display
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def create_text(widget, line, depth, disp, name=None, command=None, icon=None):
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x = depth*30
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y = line*7
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width = 400
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height = 8
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drop_txt = karamba.createText(widget, x, y, width, height, disp)
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karamba.changeTextSize(widget, drop_txt, 7)
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karamba.changeTextColor(widget, drop_txt, 252,252,252)
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# create a (very narrow! only an 8-pixel-high area!)
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# service click area to demonstrate that commands get
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# executed correctly.
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if name:
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karamba.createServiceClickArea( widget,
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x,y,width,height,
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name, command, icon)
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# okay. you really should be looking up the KDE Developer documentation
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# on service groups. here is a _brief_ explanation of what they contain.
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#
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# getServiceGroups returns a list of menu options.
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# you can either have a subgroup, or you can have an executable program.
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# if a list item is a subgroup, then (0, dict) is returned, where
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# dict is a dictionary containing information describing the subgroup.
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# if a list item is an executable menu option, then (1, dict) is returned,
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# where dict is a dictionary containing information describing the menu option.
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#
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# the information (keys in the dictionary) returned about a subgroup comprises:
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# relpath - the fully qualified path of that subgroup, and
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# calling getServiceGroups (again) with that path will get
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# you all of the menu options in that subgroup, hurrah.
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# icon - the name of an icon (a png, usually) which you can, if you
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# so wish, use as the filename argument to createImage().
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# caption - i get confused as to which is which, but
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# and you can always run this program in combination
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# comment with kmenuedit to find out!
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#
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# the information (keys in the dictionary) returned about an
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# executable option comprises:
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# exec - obviously the most important bit: the name of the command
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# to be executed.
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# icon - the filename of the icon (usually a png) which should be
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# displayed for this command.
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# name - not to be confused with genericname, neither of which i
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# am sure about, and if you really want to know, run
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# kmenuedit and experiment, or look at the KDE Developer source
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# code.
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# menuid - don't know what it is for. it's just... there.
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#
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# how to use the service group info:
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#
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# the simplest way to get commands actually executed is to hand
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# over the name, the command and the icon filename to a
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# ServiceClickArea (karamba.createServiceClickArea()).
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#
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# other than making sure that you put the service click area in
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# the right place, you don't have to worry about much else.
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#
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# or, you could always run it manually, yourself, by using
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# karamba.Run(name, command, icon). personally, i prefer
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# the service click areas. no, karamba.Run() is not like
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# karamba.execute() - if you use karamba.Run() you get to say which
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# bouncing icon is used, whereas if you use karamba.execute() you
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# always get a superkaramba bouncing icon...
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#
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# do look out for kroller.sez on http://kde-look.org or other locations
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# for a more complex and comprehensive usage of service groups.
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def display_svc_group(widget, rel_path, line, depth):
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grps = karamba.getServiceGroups(rel_path)
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for (type, d) in grps:
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if type is 0:
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# it's a
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sub_relpath = d['relpath']
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icon = d.get('icon', 'unknown')
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caption = d.get('caption', None)
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comment = d.get('comment', None)
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cmt = ''
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# get at least something to display
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if comment:
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cmt = comment
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elif caption:
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cmt = caption
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msg = "SVCGRP: %s %s" % (icon, cmt)
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create_text(widget, line, depth, msg)
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line += 1
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line = display_svc_group(widget, sub_relpath,
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line, depth+1)
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elif type is 1 and d.has_key('menuid'):
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relpath = d.get('relpath', '')
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cmd = d['exec']
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icon = d.get('icon', 'unknown')
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name = d.get('name', None)
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genericname = d.get('genericname', None)
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cmt = ''
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# get at least something to display
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if genericname:
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cmt = genericname
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elif name:
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cmt = name
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msg = "%s %s %s" % (cmd, icon, cmt)
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create_text(widget, line, depth, msg, name, cmd, icon)
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line += 1
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return line
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#this is called when you widget is initialized
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def initWidget(widget):
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display_svc_group(widget, "", 0, 0)
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karamba.redrawWidget(widget)
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