Method addButton

src/view/input-view.ts:81–95

(button: IconButton)

  }

  addButton(button: IconButton) {
    if (!this.buttonsArea) {
      this.buttonsArea = gui.Container.create();
      this.buttonsArea.setStyle({
        height: '100%',  // take full vertical space
        alignItems: 'flex-end',  // buttons aligned to bottom
        flexDirection: 'row',  // horizontal layout
        margin: 4,
        marginLeft: 0,
      });
      this.view.addChildView(this.buttonsArea);
    }
    this.buttons.push(button);
    this.buttonsArea.addChildView(button.view);
  }

  #onDraw(view, painter: gui.Painter) {
    const bounds = Object.assign(view.getBounds(), {x: 0, y: 0});