Class: Fzeet::ColorDialog

Inherits:
CommonDialog show all
Defined in:
lib/fzeet/windows/comdlg/ColorDialog.rb

Constant Summary collapse

DialogStruct = 
Windows::CHOOSECOLOR
HookProc = 
-> *args { CommonDialog::HookProc.(*args.unshift(DialogStruct)) }

Constants included from WindowMethods

WindowMethods::EnumChildProc

Instance Attribute Summary

Attributes inherited from CommonDialog

#struct

Instance Method Summary collapse

Methods inherited from CommonDialog

crackMessage, #hookProc, #on

Methods included from WindowMethods

#[], #capture=, #capture?, #dialog=, #dialog?, #dlgmsg?, #drawMenuBar, #eachChild, #enabled=, #enabled?, #focus=, #focus?, #invalidate, #location, #location=, #long, #menu, #menu=, #message, #paint, #position, #position=, #postmsg, #question, #rect, #reframe, #sendmsg, #size, #size=, #style, #style?, #text, #text=, #textlen, #topmost=, #topmost?, #update, #visible=, #visible?, #xstyle, #xstyle?

Methods included from Toggle

#toggle

Constructor Details

#initialize(opts = {}) ⇒ ColorDialog

Returns a new instance of ColorDialog.



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# File 'lib/fzeet/windows/comdlg/ColorDialog.rb', line 59

def initialize(opts = {})
  _opts = {

  }
  badopts = opts.keys - _opts.keys; raise "Bad option(s): #{badopts.join(', ')}." unless badopts.empty?
  _opts.merge!(opts)

  @struct = DialogStruct.new

  @struct[:lStructSize] = @struct.size
  @struct[:hInstance] = Windows.GetModuleHandle(nil)
  @struct[:lpCustColors] = @buf = FFI::MemoryPointer.new(:ulong, 16)
  @struct[:Flags] = Fzeet.flags(:enablehook, :cc_)
  @struct[:lCustData] = object_id
  @struct[:lpfnHook] = HookProc

  super()

  begin
    yield self
  ensure
    dispose
  end if block_given?
end

Instance Method Details

#color ⇒ Object 



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# File 'lib/fzeet/windows/comdlg/ColorDialog.rb', line 92

def color; result = @struct[:rgbResult]; [Windows.GetRValue(result), Windows.GetBValue(result), Windows.GetBValue(result)] end

#dispose ⇒ Object 



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# File 'lib/fzeet/windows/comdlg/ColorDialog.rb', line 84

def dispose; @buf.free end

#show(window = Application.window) ⇒ Object 



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# File 'lib/fzeet/windows/comdlg/ColorDialog.rb', line 86

def show(window = Application.window)
  @struct[:hwndOwner] = window.handle

  DialogResult.new((Windows.ChooseColor(@struct) == 0) ? Windows::IDCANCEL : Windows::IDOK)
end