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#
# basic demo --- called from demo.rb
#
unless Object.const_defined?('DemoVar')
fail RuntimeError, "This is NOT a stand alone script. This script is called from 'demo.rb'. "
end
module DemoBasic
@@var = TkVariable.new_hash
@@after = nil
@@count = 0
def self.create(nb)
frame = nb.insert('end', 'demoBasic', :text=>'Basic')
topf = TkFrame.new(frame)
titf1 = Tk::BWidget::TitleFrame.new(topf, :text=>'Label')
titf2 = Tk::BWidget::TitleFrame.new(topf, :text=>'Entry')
titf3 = Tk::BWidget::TitleFrame.new(frame, :text=>'Button and ArrowButton')
_label(titf1.get_frame)
_entry(titf2.get_frame)
_button(titf3.get_frame)
Tk.pack(titf1, titf2, :side=>:left, :fill=>:both, :padx=>4, :expand=>true)
topf.pack(:pady=>2, :fill=>:x)
titf3.pack(:pady=>2, :padx=>4, :fill=>:x)
end
def self._label(parent)
lab = Tk::BWidget::Label.new(parent, :text=>'This is a Label widget',
:helptext=>'Label widget')
chk = TkCheckbutton.new(parent, :text=>'Disabled',
:variable=>@@var.ref(lab, 'state'),
:onvalue=>'disabled', :offvalue=>'normal',
:command=>proc{lab[:state] = @@var[lab, 'state']})
lab.pack(:anchor=>:w, :pady=>4)
chk.pack(:anchor=>:w)
end
def self._entry(parent)
ent = Tk::BWidget::Entry.new(parent, :text=>'Press enter',
:helptext=>'Entry widtet',
:command=>proc{
@@var['entcmd'] = 'command called'
Tk.after(500, proc{@@var['entcmd'] = ''})
})
chk1 = TkCheckbutton.new(parent, :text=>'Disabled',
:variable=>@@var.ref(ent, 'state'),
:onvalue=>'disabled', :offvalue=>'normal',
:command=>proc{ent.state = @@var[ent, 'state']})
chk2 = TkCheckbutton.new(parent, :text=>'Non editable',
:variable=>@@var.ref(ent, 'editable'),
:onvalue=>false, :offvalue=>true,
:command=>proc{
ent.editable = @@var[ent, 'editable']
})
lab = TkLabel.new(parent, :textvariable=>@@var.ref('entcmd'),
:foreground=>'red')
ent.pack(:pady=>4, :anchor=>:w)
Tk.pack(chk1, chk2, :anchor=>:w)
lab.pack(:pady=>4)
end
def self._button(parent)
frame = TkFrame.new(parent)
but = Tk::BWidget::Button.new(frame, :text=>'Press me!',
:repeatdelay=>300,
:command=>proc{_butcmd('command')},
:helptext=>'This is a Button widget')
sep1 = Tk::BWidget::Separator.new(frame, :orient=>:vertical)
arr1 = Tk::BWidget::ArrowButton.new(frame, :type=>:button,
:width=>25, :height=>25, :repeatdelay=>300,
:command=>proc{_butcmd('command')},
:helptext=>"This is an ArrowButton widget\nof type button")
sep2 = Tk::BWidget::Separator.new(frame, :orient=>:vertical)
arr2 = Tk::BWidget::ArrowButton.new(frame, :type=>:arrow,
:width=>25, :height=>25, :relief=>:sunken,
:ipadx=>0, :ipady=>0, :repeatdelay=>300,
:command=>proc{_butcmd('command')},
:helptext=>"This is an ArrowButton widget\nof type arrow")
but.pack(:side=>:left, :padx=>4)
sep1.pack(:side=>:left, :padx=>4, :fill=>:y)
arr1.pack(:side=>:left, :padx=>4)
sep2.pack(:side=>:left, :padx=>4, :fill=>:y)
arr2.pack(:side=>:left, :padx=>4)
frame.pack
Tk::BWidget::Separator.new(parent,
:orient=>:horizontal).pack(:fill=>:x, :pady=>10)
labf1 = Tk::BWidget::LabelFrame.new(parent, :text=>'Command',
:side=>:top, :anchor=>:w,
:relief=>:sunken, :borderwidth=>1)
subf = labf1.get_frame
chk1 = TkCheckbutton.new(subf, :text=>'Disabled',
:variable=>@@var.ref('bstate'),
:onvalue=>'disabled', :offvalue=>'normal',
:command=>proc{_bstate(@@var['bstate'],
but, arr1, arr2)})
chk2 = TkCheckbutton.new(subf, :text=>"Use armcommand/\ndisarmcommand",
:variable=>@@var.ref('barmcmd'),
:command=>proc{_barmcmd(@@var['barmcmd'],
but, arr1, arr2)})
Tk.pack(chk1, chk2, :anchor=>:w)
label = TkLabel.new(parent, :textvariable=>@@var.ref('butcmd'),
:foreground=>'red').pack(:side=>:bottom, :pady=>4)
labf2 = Tk::BWidget::LabelFrame.new(parent, :text=>'Direction',
:side=>:top, :anchor=>:w,
:relief=>:sunken, :borderwidth=>1)
subf = labf2.get_frame
@@var['bside'] = :top
[:top, :left, :bottom, :right].each{|dir|
TkRadiobutton.new(subf, :text=>"#{dir} arrow",
:variable=>@@var.ref('bside'), :value=>dir,
:command=>proc{_bside(@@var['bside'], arr1, arr2)}
).pack(:anchor=>:w)
}
labf3 = Tk::BWidget::LabelFrame.new(parent, :text=>'Relief',
:side=>:top, :anchor=>:w,
:relief=>:sunken, :borderwidth=>1)
subf = labf3.get_frame
@@var['brelief'] = :raised
[ %w(raised sunken ridge groove), %w(flat solid link)].each{|lrelief|
f = TkFrame.new(subf)
lrelief.each{|relief|
TkRadiobutton.new(f, :text=>relief,
:variable=>@@var.ref('brelief'), :value=>relief,
:command=>proc{
_brelief(@@var['brelief'], but, arr1, arr2)
}).pack(:anchor=>:w)
}
f.pack(:side=>:left, :padx=>2, :anchor=>:n)
}
Tk.pack(labf1, labf2, labf3, :side=>:left, :fill=>:y, :padx=>4)
end
def self._bstate(state, but, arr1, arr2)
[but, arr1, arr2].each{|b| b[:state] = state}
end
def self._brelief(relief, but, arr1, arr2)
but[:relief] = relief
if relief.to_s != 'link'
[arr1, arr2].each{|arr| arr[:relief] = relief}
end
end
def self._bside(side, *args)
args.each{|arr| arr[:dir] = side}
end
def self._barmcmd(value, but, arr1, arr2)
if TkComm.bool(value)
but.configure(:armcommand=>proc{_butcmd('arm')},
:disarmcommand=>proc{_butcmd('disarm')},
:command=>'')
[arr1, arr2].each{|arr|
arr.configure(:armcommand=>proc{_butcmd('arm')},
:disarmcommand=>proc{_butcmd('disarm')},
:command=>'')
}
else
but.configure(:armcommand=>'', :disarmcommand=>'',
:command=>proc{_butcmd('command')})
[arr1, arr2].each{|arr|
arr.configure(:armcommand=>'', :disarmcommand=>'',
:command=>proc{_butcmd('command')})
}
end
end
def self._butcmd(reason)
unless @@after
@@after = TkTimer.new(500, 1, proc{@@var['butcmd'] = ''})
end
@@after.stop
if (reason == 'arm')
@@count += 1
@@var['butcmd'] = "#{reason} command called (#{@@count})"
else
@@count = 0
@@var['butcmd'] = "#{reason} command called"
end
@@after.start
end
end
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