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#
# Demo: Help contents
#
def demoHelpContents(t)
height = t.font.metrics(:linespace)
height = 18 if height < 18
t.configure(:showroot=>false, :showbuttons=>false, :showlines=>false,
:itemheight=>height, :selectmode=>:browse)
init_pics('help-*')
if $Version_1_1_OrLater
t.column_create(:text=>'Help Contents')
else # TreeCtrl 1.0
t.column_configure(0, :text=>'Help Contents')
end
# Define a new item state
t.state_define('mouseover')
t.element_create('e1', :image, :image=>@images['help-page'])
t.element_create('e2', :image, :image=>[
@images['help-book-open'], ['open'],
@images['help-book-closed'], [],
])
t.element_create('e3', :text,
:font=>[t.font.dup.underline(true), ['mouseover']],
:fill=>[
@SystemHighlightText, ['selected', 'focus'],
'blue', ['mouseover']
])
t.element_create('e4', :rect, :showfocus=>true,
:fill=>[@SystemHighlight, ['selected', 'focus']])
# book
s = t.style_create('s1')
t.style_elements(s, ['e4', 'e1', 'e3'])
t.style_layout(s, 'e1', :padx=>[0,4], :expand=>:ns)
t.style_layout(s, 'e3', :expand=>:ns)
t.style_layout(s, 'e4', :union=>['e3'], :iexpand=>:ns, :ipadx=>2)
# page
s = t.style_create('s2')
t.style_elements(s, ['e4', 'e2', 'e3'])
t.style_layout(s, 'e2', :padx=>[0,4], :expand=>:ns)
t.style_layout(s, 'e3', :expand=>:ns)
t.style_layout(s, 'e4', :union=>['e3'], :iexpand=>:ns, :ipadx=>2)
parentList = [:root, '', '', '', '', '', '']
parent = :root
[
[0, 's1', "Welcome to Help"],
[0, 's2', "Introducing Windows 98"],
[1, 's2', "How to Use Help"],
[2, 's1', "Find a topic"],
[2, 's1', "Get more out of help"],
[1, 's2', "Register Your Software"],
[2, 's1', "Registering Windows 98 online"],
[1, 's2', "What's New in Windows 98"],
[2, 's1', "Innovative, easy-to-use features"],
[2, 's1', "Improved reliability"],
[2, 's1', "A faster operating system"],
[2, 's1', "True Web integration"],
[2, 's1', "More entertaining and fun"],
[1, 's2', "If You're New to Windows 98"],
[2, 's2', "Tips for Macintosh Users"],
[3, 's1', "Why does the mouse have two buttons?"]
].each{|depth, style, text|
item = t.item_create
t.item_style_set(item, 0, style)
t.item_element_configure(item, 0, 'e3', :text=>text)
if $Version_1_1_OrLater
t.item_collapse(item)
else # TreeCtrl 1.0
t.collapse(item)
end
t.item_lastchild(parentList[depth], item)
depth += 1
parentList[depth] = item
}
treeCtrlHelp = TkBindTag.new
treeCtrlHelp.bind('Double-ButtonPress-1',
proc{|w, x, y|
if w.identify(x, y)[0] == 'header'
Tk::TreeCtrl::BindCallback.doubleButton1(w, x, y)
else
helpButton1(w, x, y)
end
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('ButtonPress-1',
proc{|w, x, y|
helpButton1(w, x, y)
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('Button1-Motion',
proc{|w, x, y|
helpMotion1(w, x, y)
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('Button1-Leave',
proc{|w, x, y|
helpLeave1(w, x, y)
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('ButtonRelease-1',
proc{|w, x, y|
helpRelease1(w, x, y)
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('Motion', proc{|w, x, y| helpMotion(w, x, y) }, '%W %x %y')
treeCtrlHelp.bind('Leave', proc{|w, x, y| helpMotion(w, x, y) }, '%W %x %y')
treeCtrlHelp.bind('KeyPress-Return',
proc{|w, x, y|
if w.selection_get.length == 1
if $Version_1_1_OrLater
w.item_toggle(w.selection_get[0])
else # TreeCtrl 1.0
w.toggle(w.selection_get[0])
end
end
Tk.callback_break
}, '%W %x %y')
@Priv[:help, :prev] = ''
t.bindtags = [ t, treeCtrlHelp, Tk::TreeCtrl, t.winfo_toplevel, :all ]
end
# This is an alternate implementation that does not define a new item state
# to change the appearance of the item under the cursor.
def demoHelpContents2(t)
height = t.font.metrics(:linespace)
height = 18 if height < 18
t.configure(:showroot=>false, :showbuttons=>false, :showlines=>false,
:itemheight=>height, :selectmode=>:browse)
init_pics('help-*')
if $Version_1_1_OrLater
t.column_create(:text=>'Help Contents')
else # TreeCtrl 1.0
t.column_configure(0, :text=>'Help Contents')
end
t.element_create('e1', :image, :image=>@images['help-page'])
t.element_create('e2', :image, :image=>[
@images['help-book-open'], ['open'],
@images['help-book-closed'], [],
])
t.element_create('e3', :text,
:fill=>[
@SystemHighlightText, ['selected', 'focus'],
'blue', []
])
t.element_create('e4', :rect, :showfocus=>true,
:fill=>[@SystemHighligh, ['selected', 'focus']])
t.element_create('e5', :text, :font=>t.font.dup.underline(true),
:fill=>[
@SystemHighlightText, ['selected', 'focus'],
'blue', []
])
# book
s = t.style_create('s1')
t.style_elements(s, ['e4', 'e1', 'e3'])
t.style_layout(s, 'e1', :padx=>[0,4], :expand=>:ns)
t.style_layout(s, 'e3', :expand=>:ns)
t.style_layout(s, 'e4', :union=>['e3'], :iexpand=>:ns, :ipadx=>2)
# page
s = t.style_create('s2')
t.style_elements(s, ['e4', 'e2', 'e3'])
t.style_layout(s, 'e2', :padx=>[0,4], :expand=>:ns)
t.style_layout(s, 'e3', :expand=>:ns)
t.style_layout(s, 'e4', :union=>['e3'], :iexpand=>:ns, :ipadx=>2)
# book (focus)
s = t.style_create('s1.f')
t.style_elements(s, ['e4', 'e1', 'e5'])
t.style_layout(s, 'e1', :padx=>[0,4], :expand=>:ns)
t.style_layout(s, 'e5', :expand=>:ns)
t.style_layout(s, 'e4', :union=>['e5'], :iexpand=>:ns, :ipadx=>2)
# page (focus)
s = t.style_create('s2')
t.style_elements(s, ['e4', 'e2', 'e5'])
t.style_layout(s, 'e2', :padx=>[0,4], :expand=>:ns)
t.style_layout(s, 'e5', :expand=>:ns)
t.style_layout(s, 'e4', :union=>['e5'], :iexpand=>:ns, :ipadx=>2)
parentList = [:root, '', '', '', '', '', '']
parent = :root
[
[0, 's1', "Welcome to Help"],
[0, 's2', "Introducing Windows 98"],
[1, 's2', "How to Use Help"],
[2, 's1' "Find a topic"],
[2, 's1', "Get more out of help"],
[1, 's2', "Register Your Software"],
[2, 's1', "Registering Windows 98 online"],
[1, 's2', "What's New in Windows 98"],
[2, 's1', "Innovative, easy-to-use features"],
[2, 's1', "Improved reliability"],
[2, 's1', "A faster operating system"],
[2, 's1', "True Web integration"],
[2, 's1', "More entertaining and fun"],
[1, 's2', "If You're New to Windows 98"],
[2, 's2', "Tips for Macintosh Users"],
[3, 's1', "Why does the mouse have two buttons?"]
].each{|depth, style, text|
item = t.item_create
t.item_style_set(item, 0, style)
t.item_element_configure(item, 0, 'e3', :text=>text)
if $Version_1_1_OrLater
t.item_collapse(item)
else # TreeCtrl 1.0
t.collapse(item)
end
t.item_lastchild(parentList[depth], item)
depth += 1
parentList[depth] = item
}
treeCtrlHelp = TkBindTag.new
treeCtrlHelp.bind('Double-ButtonPress-1',
proc{|w, x, y|
if w.identify(x, y)[0] == 'header'
Tk::TreeCtrl::BindCallback.doubleButton1(w, x, y)
else
helpButton1(w, x, y)
end
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('ButtonPress-1',
proc{|w, x, y|
helpButton1(w, x, y)
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('Button1-Motion',
proc{|w, x, y|
helpMotion1(w, x, y)
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('Button1-Leave',
proc{|w, x, y|
helpLeave1(w, x, y)
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('ButtonRelease-1',
proc{|w, x, y|
helpRelease1(w, x, y)
Tk.callback_break
}, '%W %x %y')
treeCtrlHelp.bind('Motion', proc{|w, x, y| helpMotion(w, x, y) }, '%W %x %y')
treeCtrlHelp.bind('Leave', proc{|w, x, y| helpMotion(w, x, y) }, '%W %x %y')
treeCtrlHelp.bind('KeyPress-Return',
proc{|w, x, y|
if w.selection_get.length == 1
w.item_toggle(w.selection_get[0])
end
Tk.callback_break
}, '%W %x %y')
@Priv[:help, :prev] = ''
t.bindtags = [ t, treeCtrlHelp, Tk::TreeCtrl, t.winfo_toplevel, :all ]
end
def helpButton1(w, x, y)
w.set_focus
id = w.identify(x, y)
@Priv['buttonMode'] = ''
if id[0] == 'header'
Tk::TreeCtrl::BindCallback.buttonPress1(w, x, y)
elsif id[0] == 'item'
item = id[1]
# didn't click an element
return if id.length != 6
if w.selection_includes(item)
w.toggle(item)
return
end
if w.selection_get.length > 0
item2 = w.selection_get[0]
if $Version_1_1_OrLater
w.item_collapse(item2)
else # TreeCtrl 1.0
w.collapse(item2)
end
w.item_ancestors(item2).each{|i|
if $Version_1_1_OrLater
w.item_collapse(i) if w.compare(item, '!=', i)
else # TreeCtrl 1.0
w.collapse(i) if w.compare(item, '!=', i)
end
}
end
w.activate(item)
if $Version_1_1_OrLater
w.item_ancestors(item).each{|i|
w.item_expand(i)
}
w.item_toggle(item)
else # TreeCtrl 1.0
w.expand(*(w.item_ancestors(item)))
w.toggle(item)
end
w.selection_modify(item, :all)
end
end
def helpMotion1(w, x, y)
case @Priv['buttonMode']
when 'resize', 'header'
Tk::TreeCtrl::BindCallback.motion1(w, x, y)
end
end
def helpLeave1(w, x, y)
# This is called when I do ButtonPress-1 on Unix for some reason,
# and buttonMode is undefined.
return unless @Priv.exist?('buttonMode')
case @Priv['buttonMode']
when 'header'
w.column_configure(@Priv['column'], :sunken=>false)
end
end
def helpRelease1(w, x, y)
case @Priv['buttonMode']
when 'resize', 'header'
Tk::TreeCtrl::BindCallback.release1(w, x, y)
end
@Priv['buttonMode'] = ''
end
def helpMotion(w, x, y)
id = w.identify(x, y)
if id.empty?
elsif id[0] == 'header'
elsif id[0] == 'item'
item = id[1]
if id.length == 6
if @Priv[:help, :prev] != TkComm._get_eval_string(item)
if @Priv[:help, :prev] != ''
w.item_state_set(@Priv[:help, :prev], '!mouseover')
end
w.item_state_set(item, 'mouseover')
@Priv[:help, :prev] = item
end
return
end
end
if @Priv[:help, :prev] != ''
w.item_state_set(@Priv[:help, :prev], '!mouseover')
@Priv[:help, :prev] = ''
end
end
# Alternate implementation doesn't rely on mouseover state
def helpMotion2(w, x, y)
id = w.identify(x, y)
if id[0] == 'header'
elsif !id.empty?
item = id[1]
if id.kength == 6
if @Priv[:help, :prev] != TkComm._get_eval_string(item)
if @Priv[:help, :prev] != ''
style = w.item_style_set(@Priv[:help, :prev], 0)
style.sub!(/\.f$/, '')
w.item_style_map(@Priv[:help, :prev], 0, style, ['e5', 'e3'])
end
style = w.item_style_set(item, 0)
w.item_style_map(item, 0, style + '.f', ['e3', 'e5'])
@Priv[:help, :prev] = item
end
return
end
end
if @Priv[:help, :prev] != ''
style = w.item_style_set(@Priv[:help, :prev], 0)
style.sub!(/\.f$/, '')
w.item_style_map(@Priv[:help, :prev], 0, style, ['e5', 'e3'])
@Priv[:help, :prev] = ''
end
end
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