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Diffstat (limited to 'ruby_1_9_3/ext/tk/sample/tktextframe.rb')
| -rw-r--r-- | ruby_1_9_3/ext/tk/sample/tktextframe.rb | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/ruby_1_9_3/ext/tk/sample/tktextframe.rb b/ruby_1_9_3/ext/tk/sample/tktextframe.rb new file mode 100644 index 0000000000..b2b40c9138 --- /dev/null +++ b/ruby_1_9_3/ext/tk/sample/tktextframe.rb @@ -0,0 +1,281 @@ +# +# tktextframe.rb : a sample of TkComposite +# +# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp) +# +require 'tk' + +module Tk::ScrollbarComposite + include TkComposite + + def component_construct_keys + # If a component requires options for construction, + # return an Array of option-keys. + [] + end + private :component_construct_keys + + def create_component(keys={}) + # This method must return the created component widget. + end + private :create_component + + def component_delegates + # if want to override defalut option-methods or delegates, + # please define here. + end + private :component_delegates + + def define_delegates + # option methods for scrollbars + option_methods([:scrollbarwidth, :get_scrollbarwidth]) + + # set receiver widgets for configure methods (with alias) + delegate_alias('scrollbarrelief', 'relief', @h_scroll, @v_scroll) + delegate_alias('framebackground', 'background', + @frame, @h_scroll, @v_scroll) + delegate_alias('activeframebackground', 'activebackground', + @h_scroll, @v_scroll) + + # set receiver widgets for configure methods + delegate('DEFAULT', @component) + delegate('troughcolor', @h_scroll, @v_scroll) + delegate('repeatdelay', @h_scroll, @v_scroll) + delegate('repeatinterval', @h_scroll, @v_scroll) + delegate('borderwidth', @frame) + delegate('relief', @frame) + + component_delegates + end + private :define_delegates + + DEFAULT_VSCROLL = true + DEFAULT_HSCROLL = true + + def initialize_composite(keys={}) + keys = _symbolkey2str(keys) + + # create scrollbars + @v_scroll = TkScrollbar.new(@frame, 'orient'=>'vertical') + @h_scroll = TkScrollbar.new(@frame, 'orient'=>'horizontal') + + # create a component + construct_keys = {} + ((component_construct_keys.map{|k| k.to_s}) & keys.keys).each{|k| + construct_keys[k] = keys.delete(k) + } + + # create a component (the component must be scrollable) + @component = create_component(construct_keys) + + # set default receiver of method calls + @path = @component.path + + # assign scrollbars + @component.xscrollbar(@h_scroll) + @component.yscrollbar(@v_scroll) + + # allignment + TkGrid.rowconfigure(@frame, 0, 'weight'=>1, 'minsize'=>0) + TkGrid.columnconfigure(@frame, 0, 'weight'=>1, 'minsize'=>0) + @component.grid('row'=>0, 'column'=>0, 'sticky'=>'news') + + # scrollbars ON + vscroll(keys.delete('vscroll'){self.class::DEFAULT_VSCROLL}) + hscroll(keys.delete('hscroll'){self.class::DEFAULT_HSCROLL}) + + # do configure + define_delegates + + # do configure + configure keys unless keys.empty? + end + private :initialize_composite + + # get/set width of scrollbar + def get_scrollbarwidth + @v_scroll.width + end + def set_scrollbarwidth(width) + @v_scroll.width(width) + @h_scroll.width(width) + end + alias :scrollbarwidth :set_scrollbarwidth + + def hook_vscroll_on(*args); end + def hook_vscroll_off(*args); end + def hook_hscroll_on(*args); end + def hook_hscroll_off(*args); end + private :hook_vscroll_on,:hook_vscroll_off,:hook_hscroll_on,:hook_hscroll_off + + # vertical scrollbar : ON/OFF + def vscroll(mode, *args) + st = TkGrid.info(@v_scroll) + if mode && st.size == 0 then + @v_scroll.grid('row'=>0, 'column'=>1, 'sticky'=>'ns') + hook_vscroll_on(*args) + elsif !mode && st.size != 0 then + @v_scroll.ungrid + hook_vscroll_off(*args) + end + self + end + + # horizontal scrollbar : ON/OFF + def hscroll(mode, *args) + st = TkGrid.info(@h_scroll) + if mode && st.size == 0 then + @h_scroll.grid('row'=>1, 'column'=>0, 'sticky'=>'ew') + hook_hscroll_on(*args) + elsif !mode && st.size != 0 then + @h_scroll.ungrid + hook_hscroll_off(*args) + end + self + end +end + +################################################ + +class TkTextFrame < TkText + include Tk::ScrollbarComposite + + # def component_construct_keys; []; end + # private :component_construct_keys + + def create_component(keys={}) + # keys has options which are listed by component_construct_keys method. + @text = TkText.new(@frame, 'wrap'=>'none') + @text.configure(keys) unless keys.empty? + + # option methods for component + option_methods( + [:textbackground, nil, :textbg_info], + :textborderwidth, + :textrelief + ) + + # return the created componet + @text + end + private :create_component + + # def component_delegates; end + # private :component_delegates + + def hook_hscroll_on(wrap_mode=nil) + if wrap_mode + wrap wrap_mode + else + wrap 'none' # => self.wrap('none') + end + end + def hook_hscroll_off(wrap_mode) + wrap wrap_mode # => self.wrap(wrap_mode) + end + def hscroll(mode, wrap_mode="char") + super + end + + # set background color of text widget + def textbackground(color = nil) + if color + @text.background(color) + else + @text.background + end + end + + def textbg_info + info = @text.configinfo(:background) + if TkComm::GET_CONFIGINFO_AS_ARRAY + info[0] = 'textbackground' + info + else # ! TkComm::GET_CONFIGINFO_AS_ARRAY + {'textbackground' => info['background']} + end + end + + # get/set borderwidth of text widget + def set_textborderwidth(width) + @text.borderwidth(width) + end + def get_textborderwidth + @text.borderwidth + end + def textborderwidth(width = nil) + if width + set_textborderwidth(width) + else + get_textborderwidth + end + end + + # set relief of text widget + def textrelief(type) + @text.relief(type) + end +end + +################################################ +# test +################################################ +if __FILE__ == $0 + TkLabel.new(:text=>'TkTextFrame is an example of Tk::ScrollbarComposite module.').pack + f = TkFrame.new.pack('fill'=>'x') + #t = TkTextFrame.new.pack + t = TkTextFrame.new(:textborderwidth=>3, + :textrelief=>:ridge, + :scrollbarrelief=>:ridge).pack + p t.configinfo + TkButton.new(f, 'text'=>'vscr OFF', + 'command'=>proc{t.vscroll(false)}).pack('side'=>'right') + TkButton.new(f, 'text'=>'vscr ON', + 'command'=>proc{t.vscroll(true)}).pack('side'=>'right') + TkButton.new(f, 'text'=>'hscr ON', + 'command'=>proc{t.hscroll(true)}).pack('side'=>'left') + TkButton.new(f, 'text'=>'hscr OFF', + 'command'=>proc{t.hscroll(false)}).pack('side'=>'left') + + ############################################ + + # Tk.default_widget_set = :Ttk + + TkFrame.new.pack(:pady=>10) + TkLabel.new(:text=>'The following is another example of Tk::ScrollbarComposite module.').pack + + #---------------------------------- + class ScrListbox < TkListbox + include Tk::ScrollbarComposite + + DEFAULT_HSCROLL = false + + def create_component(keys={}) + TkListbox.new(@frame, keys) + end + private :create_component + end + #---------------------------------- + + f = TkFrame.new.pack(:pady=>5) + lbox = ScrListbox.new(f).pack(:side=>:left) + lbox.value = %w(aa bb cc dd eeeeeeeeeeeeeeeeeeeeeeeeee ffffffffff gg hh ii jj kk ll mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm nn oo pp qq) + fb = TkFrame.new(f).pack(:expand=>true, :fill=>:y, :padx=>5) + TkButton.new(fb, 'text'=>'lbox hscr OFF', + 'command'=>proc{lbox.hscroll(false)}).pack(:side=>:bottom, + :fill=>:x) + TkButton.new(fb, 'text'=>'lbox hscr ON', + 'command'=>proc{lbox.hscroll(true)}).pack(:side=>:bottom, + :fill=>:x) + TkFrame.new(fb).pack(:pady=>5, :side=>:bottom) + TkButton.new(fb, 'text'=>'lbox vscr OFF', + 'command'=>proc{lbox.vscroll(false)}).pack(:side=>:bottom, + :fill=>:x) + TkButton.new(fb, 'text'=>'lbox vscr ON', + 'command'=>proc{lbox.vscroll(true)}).pack(:side=>:bottom, + :fill=>:x) + + ############################################ + + Tk.mainloop +end |