115 lines
3.8 KiB
Ruby
115 lines
3.8 KiB
Ruby
# radio3.rb
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#
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# This demonstration script creates a toplevel window containing
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# several radiobutton widgets.
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#
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# radiobutton widget demo (called by 'widget')
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#
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# toplevel widget
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if defined?($radio3_demo) && $radio3_demo
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$radio3_demo.destroy
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$radio3_demo = nil
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end
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# demo toplevel widget
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$radio3_demo = TkToplevel.new {|w|
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title("Radiobutton Demonstration 3")
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iconname("radio3")
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positionWindow(w)
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}
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# label
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msg = TkLabel.new($radio3_demo) {
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font $font
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wraplength '5i'
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justify 'left'
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text "Three groups of radiobuttons are displayed below. If you click on a button then the button will become selected exclusively among all the buttons in its group. A Tcl variable is associated with each group to indicate which of the group's buttons is selected. When the 'Tristate' button is pressed, the radio buttons will display the tri-state mode. Selecting any radio button will return the buttons to their respective on/off state. Click the \"See Variables\" button to see the current values of the variables."
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}
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msg.grid(:row=>0, :column=>0, :columnspan=>3, :sticky=>'nsew')
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# variable
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size = TkVariable.new
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color = TkVariable.new
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align = TkVariable.new
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# frame
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TkFrame.new($radio3_demo) {|frame|
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TkGrid(TkFrame.new(frame, :height=>2, :relief=>:sunken, :bd=>2),
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:columnspan=>4, :row=>0, :sticky=>'ew', :pady=>2)
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TkGrid('x',
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TkButton.new(frame, :text=>'See Variables',
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:image=>$image['view'], :compound=>:left,
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:command=>proc{
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showVars($radio3_demo, ['size', size],
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['color', color], ['compound', align])
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}),
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TkButton.new(frame, :text=>'See Code',
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:image=>$image['view'], :compound=>:left,
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:command=>proc{showCode 'radio3'}),
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TkButton.new(frame, :text=>'Dismiss',
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:image=>$image['delete'], :compound=>:left,
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:command=>proc{
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tmppath = $radio3_demo
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$radio3_demo = nil
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$showVarsWin[tmppath.path] = nil
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tmppath.destroy
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}),
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:padx=>4, :pady=>4)
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frame.grid_columnconfigure(0, :weight=>1)
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TkGrid(frame, :row=>3, :column=>0, :columnspan=>3, :sticky=>'nsew')
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}
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# frame
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f_left = TkLabelFrame.new($radio3_demo, 'text'=>'Point Size',
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'pady'=>2, 'padx'=>2)
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f_mid = TkLabelFrame.new($radio3_demo, 'text'=>'Color',
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'pady'=>2, 'padx'=>2)
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f_right = TkLabelFrame.new($radio3_demo, 'text'=>'Alignment',
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'pady'=>2, 'padx'=>2)
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f_left .grid('column'=>0, 'row'=>1, 'pady'=>'.5c', 'padx'=>'.5c', 'rowspan'=>2)
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f_mid .grid('column'=>1, 'row'=>1, 'pady'=>'.5c', 'padx'=>'.5c', 'rowspan'=>2)
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f_right.grid('column'=>2, 'row'=>1, 'pady'=>'.5c', 'padx'=>'.5c')
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TkButton.new($radio3_demo, 'text'=>'Tristate',
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'command'=>proc{size.value = 'multi'; color.value = 'multi'}){
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grid('column'=>2, 'row'=>2, 'pady'=>'.5c', 'padx'=>'.5c')
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}
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# radiobutton
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[10, 12, 14, 18, 24].each {|sz|
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TkRadioButton.new(f_left) {
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text "Point Size #{sz}"
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variable size
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relief 'flat'
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value sz
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tristatevalue 'multi'
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}.pack('side'=>'top', 'pady'=>2, 'anchor'=>'w', 'fill'=>'x')
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}
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['Red', 'Green', 'Blue', 'Yellow', 'Orange', 'Purple'].each {|col|
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TkRadioButton.new(f_mid) {
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text col
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variable color
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relief 'flat'
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value col.downcase
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anchor 'w'
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tristatevalue 'multi'
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command proc{f_mid.fg(color.value)}
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}.pack('side'=>'top', 'pady'=>2, 'fill'=>'x')
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}
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label = TkLabel.new(f_right, 'text'=>'Label', 'bitmap'=>'questhead',
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'compound'=>'left')
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label.configure('width'=>TkWinfo.reqwidth(label), 'compound'=>'top')
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label.height(TkWinfo.reqheight(label))
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a_btn = ['Top', 'Left', 'Right', 'Bottom'].collect{|a|
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TkRadioButton.new(f_right, 'text'=>a, 'variable'=>align, 'relief'=>'flat',
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'value'=>a.downcase, 'indicatoron'=>0, 'width'=>7,
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'command'=>proc{label.compound(align.value)})
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}
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Tk.grid('x', a_btn[0])
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Tk.grid(a_btn[1], label, a_btn[2])
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Tk.grid('x', a_btn[3])
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