# frozen_string_literal: false # clrpick.rb # # This demonstration script prompts the user to select a color. # # widget demo prompts the user to select a color (called by 'widget') # # Note: don't support ttk_wrapper. work with standard widgets only. # # toplevel widget if defined?($clrpick_demo) && $clrpick_demo $clrpick_demo.destroy $clrpick_demo = nil end # demo toplevel widget $clrpick_demo = TkToplevel.new {|w| title("Color Selection Dialogs") iconname("colors") positionWindow(w) } base_frame = TkFrame.new($clrpick_demo).pack(:fill=>:both, :expand=>true) # label #TkLabel.new($clrpick_demo,'font'=>$font,'wraplength'=>'4i','justify'=>'left', Tk::Label.new($clrpick_demo,'font'=>$font,'wraplength'=>'4i','justify'=>'left', 'text'=>"Press the buttons below to choose the foreground and background colors for the widgets in this window.").pack('side'=>'top') # frame #TkFrame.new($clrpick_demo) {|frame| Tk::Frame.new($clrpick_demo) {|frame| # TkButton.new(frame) { Tk::Button.new(frame) { text 'Dismiss' command proc{ tmppath = $clrpick_demo $clrpick_demo = nil tmppath.destroy } }.pack('side'=>'left', 'expand'=>'yes') # TkButton.new(frame) { Tk::Button.new(frame) { text 'Show Code' command proc{showCode 'clrpick'} }.pack('side'=>'left', 'expand'=>'yes') }.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m') # button # TkButton.new($clrpick_demo, 'text'=>'Set background color ...') {|b| Tk::Button.new($clrpick_demo, 'text'=>'Set background color ...') {|b| command(proc{setColor $clrpick_demo, b, 'background', ['background', 'highlightbackground']}) pack('side'=>'top', 'anchor'=>'c', 'pady'=>'2m') } # TkButton.new($clrpick_demo, 'text'=>'Set foreground color ...') {|b| Tk::Button.new($clrpick_demo, 'text'=>'Set foreground color ...') {|b| command(proc{setColor $clrpick_demo, b, 'foreground', ['foreground']}) pack('side'=>'top', 'anchor'=>'c', 'pady'=>'2m') } def setColor(w,button,name,options) w.grab initialColor = button[name] color = Tk.chooseColor('title'=>"Choose a #{name} color", 'parent'=>w, 'initialcolor'=>initialColor) if color != "" setColor_helper(w,options,color) end w.grab('release') end def setColor_helper(w, options, color) options.each{|opt| begin w[opt] = color rescue end } TkWinfo.children(w).each{|child| setColor_helper child, options, color } end