Module: Fzeet::ListViewMethods

Included in:
ListView
Defined in:
lib/fzeet/windows/comctl/ListView.rb

Defined Under Namespace

Classes: ExStyle, Item

Instance Method Summary collapse

Instance Method Details

#clear ⇒ Object 



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# File 'lib/fzeet/windows/comctl/ListView.rb', line 427

def clear; sendmsg(:deleteallitems); self end

#insertColumn(i, text, width) ⇒ Object 



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# File 'lib/fzeet/windows/comctl/ListView.rb', line 363

def insertColumn(i, text, width)
  lvc = Windows::LVCOLUMN.new

  lvc[:mask] = Fzeet.flags([:fmt, :width, :text, :subitem], :lvcf_)
  lvc[:fmt] = Fzeet.flags(:left, :lvcfmt_)
  lvc[:cx] = width
  lvc[:pszText] = ptext = FFI::MemoryPointer.from_string(text)
  lvc[:iSubItem] = i

  sendmsg(:insertcolumn, 0, lvc.pointer)

  self
ensure
  ptext.free if ptext
end

#insertItem(i, j, text) ⇒ Object 



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# File 'lib/fzeet/windows/comctl/ListView.rb', line 385

def insertItem(i, j, text)
  lvi = Windows::LVITEM.new

  lvi[:mask] = Fzeet.flags(:text, :lvif_)
  lvi[:iItem] = i
  lvi[:iSubItem] = j
  lvi[:pszText] = ptext = FFI::MemoryPointer.from_string(text)

  if j == 0
    @items << Item.new(lvi)

    lvi[:mask] |= Windows::LVIF_PARAM
    lvi[:lParam] = @items[i].object_id

    sendmsg(:insertitem, 0, lvi.pointer)
  else
    @items[i].subitems << lvi

    sendmsg(:setitem, 0, lvi.pointer)
  end

  @items[i].subitems[j].instance_variable_set(:@text, text)

  class << @items[i].subitems[j]
    attr_reader :text
  end

  self
ensure
  ptext.free if ptext
end

#sort(j = 0) ⇒ Object 



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# File 'lib/fzeet/windows/comctl/ListView.rb', line 417

def sort(j = 0)
  sendmsg(:sortitems, j,
    FFI::Function.new(:int, [:long, :long, :long], convention: :stdcall) { |lParam1, lParam2, lParamSort|
      yield ObjectSpace._id2ref(lParam1).subitems[lParamSort], ObjectSpace._id2ref(lParam2).subitems[lParamSort], j
    }
  )

  self
end

#xstyle ⇒ Object 



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# File 'lib/fzeet/windows/comctl/ListView.rb', line 361

def xstyle; ExStyle.new(self) end

#xstyle?(xstyle) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fzeet/windows/comctl/ListView.rb', line 360

def xstyle?(xstyle) (sendmsg(:getextendedlistviewstyle) & (xstyle = Fzeet.constant(xstyle, *self.class::Prefix[:xstyle]))) == xstyle end