Class: Wx::SF::ContentCtrl

Inherits:
TextCtrl
  • Object
show all
Defined in:
lib/wx/shapes/shapes/edit_text_shape.rb

Instance Method Summary collapse

Constructor Details

#initialize(parent, id, parent_shape, content, pos, size, style) ⇒ ContentCtrl

Constructor.

Parameters:

  • parent (Wx::Window) —

    Pointer to the parent window

  • id (Integer) —

    ID of the text control window

  • parent_shape (Wx::SF::EditTextShape) —

    Pointer to the parent editable text shape

  • content (String) —

    Initial content of the text control

  • pos (Wx::Point) —

    Initial position

  • size (Wx::Size) —

    Initial size

  • style (Integer) —

    Window style



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# File 'lib/wx/shapes/shapes/edit_text_shape.rb', line 21

def initialize(parent, id, parent_shape, content, pos, size, style)
  super(parent, id, content, pos, size, Wx::TE_PROCESS_ENTER | Wx::TE_PROCESS_TAB | Wx::NO_BORDER | style)
  @parent = parent
  @parent_shape = parent_shape
  @prev_content = content

  evt_kill_focus :on_kill_focus
  evt_key_down :on_key_down

  set_insertion_point_end
  if @parent_shape
    # update the font size in accordance to the canvas scale
    font = @parent_shape.get_font.dup
    font.set_point_size((font.get_point_size * @parent_shape.get_parent_canvas.get_scale).to_i)

    set_font(font)
    set_background_colour(Wx::Colour.new(200, 200, 200))
    set_focus
  end
end

Instance Method Details

#on_key_down(event) ⇒ Object (protected)

Event handler called if the key was pressed in the text control.

Parameters:

  • event (Wx::KeyEvent) —

    Reference to the event class instance



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# File 'lib/wx/shapes/shapes/edit_text_shape.rb', line 78

def on_key_down(event)
  case event.get_key_code
  when Wx::K_ESCAPE
    quit(CANCEL_TEXT_CHANGES)
  when Wx::K_TAB
    quit(APPLY_TEXT_CHANGES)
  when Wx::K_RETURN
    # enter new line if SHIFT key was pressed together with the ENTER key
    if Wx::get_key_state(Wx::K_SHIFT)
      event.skip
    else
      quit(APPLY_TEXT_CHANGES)
    end
  else
    event.skip
  end
end

#on_kill_focus(_event) ⇒ Object (protected)

Parameters:

  • _event (Wx::FocusEvent) —

    Reference to the event class instance



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# File 'lib/wx/shapes/shapes/edit_text_shape.rb', line 72

def on_kill_focus(_event)
  # noop
end

#quit(apply = APPLY_TEXT_CHANGES) ⇒ Object

Parameters:

  • apply (Boolean) (defaults to: APPLY_TEXT_CHANGES) —

    If true then changes made in edited text will be applied on text shape, otherwise it will be canceled



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# File 'lib/wx/shapes/shapes/edit_text_shape.rb', line 44

def quit(apply = APPLY_TEXT_CHANGES)
  self.hide

  if @parent_shape
    @parent_shape.send(:set_text_ctrl, nil)
    @parent_shape.set_style(@parent_shape.send(:get_current_state))

    # save canvas state if the textctrl content has changed...
    if apply && @prev_content != get_value
      @parent_shape.set_text(get_value)
      @prev_content = get_value

      # inform parent shape canvas about text change...
      @parent_shape.get_parent_canvas.on_text_change(@parent_shape)
      @parent_shape.get_parent_canvas.save_canvas_state
    end

    @parent_shape.update
    @parent_shape.get_parent_canvas.refresh
  end

  self.destroy
end