feat: scroll when clicking the scrollbar

src/main.rs

@@ -387,9 +387,7 @@ impl Inlyne {
  .contains(position.into())
  && mouse_down)
  {
- let scrollbar_height = (screen_size.1
- / self.renderer.positioner.reserved_height)
- * screen_size.1;
+ let scrollbar_height = self.renderer.scrollbar_height();
  if scrollbar_held.is_none() {
  if Rect::new(
  (
@@ -438,6 +436,21 @@ impl Inlyne {
  ElementState::Pressed => {
  // Try to click a link
  let screen_size = self.renderer.screen_size();
+
+ let y = mouse_position.1 - self.renderer.scroll_y;
+ if Rect::new(
+ (screen_size.0 - DEFAULT_MARGIN / 4., 0.),
+ (DEFAULT_MARGIN / 4., screen_size.1),
+ ).contains((mouse_position.0, y)) {
+ let scrollbar_height = self.renderer.scrollbar_height();
+
+ let target_scroll = ((y - scrollbar_height / 2.) / screen_size.1)
+ * self.renderer.positioner.reserved_height;
+
+ self.renderer.set_scroll_y(target_scroll);
+ self.window.request_redraw();
+ }
+
  if let Some(hoverable) = Self::find_hoverable(
  &mut self.renderer.text_system,
  &mut self.renderer.positioner.taffy,

src/renderer.rs

@@ -208,6 +208,10 @@ impl Renderer {
  Ok(())
  }
 
+ pub fn scrollbar_height(&self) -> f32 {
+ (self.screen_height() / self.positioner.reserved_height) * self.screen_height()
+ }
+
  fn render_elements(
  &mut self,
  elements: &[Positioned<Element>],