testTool: Replace icons on scroll events
Go through the scrolling event actions and based on that update the icon.
Marco Trevisan (Treviño)
3 years ago
| 25 | 25 | 'emoji-food-symbolic', |
| 26 | 26 | ]; |
| 27 | 27 | |
| 28 | const ScrollType = { | |
| 29 | UP: 0, | |
| 30 | DOWN: 1, | |
| 31 | }; | |
| 32 | ||
| 28 | 33 | (() => { |
| 29 | 34 | |
| 30 | 35 | var app = new Gtk.Application({ |
| 213 | 218 | }); |
| 214 | 219 | indicator.connect("scroll-event", (indicator, steps, direction) => { |
| 215 | 220 | print(`Signal \"scroll-event\" emitted. Steps: ${steps}, Direction: ${direction}`); |
| 221 | let currentIndex = iconsPool.indexOf(indicator.get_icon()); | |
| 222 | let iconIndex; | |
| 223 | ||
| 224 | if (direction == ScrollType.UP) { | |
| 225 | iconIndex = (currentIndex + 1) % iconsPool.length; | |
| 226 | } else { | |
| 227 | iconIndex = (currentIndex <= 0 ? iconsPool.length : currentIndex) - 1; | |
| 228 | } | |
| 229 | ||
| 230 | indicator.set_icon(iconsPool[iconIndex]); | |
| 216 | 231 | }); |
| 217 | 232 | }); |
| 218 | 233 | app.run(ARGV); |