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Add mouse down out handlers
These will fire whenever the left/right mouse button is pressed down outside a specific region. I'll use these to cancel the context menu in the next commit.
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parent
9909fc529b
commit
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@ -18,11 +18,13 @@ pub struct MouseEventHandler {
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tag: TypeId,
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id: usize,
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cursor_style: Option<CursorStyle>,
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mouse_down_handler: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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click_handler: Option<Rc<dyn Fn(Vector2F, usize, &mut EventContext)>>,
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right_mouse_down_handler: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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right_click_handler: Option<Rc<dyn Fn(Vector2F, usize, &mut EventContext)>>,
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drag_handler: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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mouse_down: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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click: Option<Rc<dyn Fn(Vector2F, usize, &mut EventContext)>>,
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right_mouse_down: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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right_click: Option<Rc<dyn Fn(Vector2F, usize, &mut EventContext)>>,
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mouse_down_out: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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right_mouse_down_out: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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drag: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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padding: Padding,
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}
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@ -38,11 +40,13 @@ impl MouseEventHandler {
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tag: TypeId::of::<Tag>(),
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child: render_child(cx.mouse_state::<Tag>(id), cx),
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cursor_style: None,
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mouse_down_handler: None,
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click_handler: None,
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right_mouse_down_handler: None,
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right_click_handler: None,
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drag_handler: None,
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mouse_down: None,
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click: None,
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right_mouse_down: None,
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right_click: None,
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mouse_down_out: None,
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right_mouse_down_out: None,
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drag: None,
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padding: Default::default(),
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}
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}
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@ -56,7 +60,7 @@ impl MouseEventHandler {
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mut self,
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handler: impl Fn(Vector2F, &mut EventContext) + 'static,
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) -> Self {
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self.mouse_down_handler = Some(Rc::new(handler));
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self.mouse_down = Some(Rc::new(handler));
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self
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}
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@ -64,7 +68,7 @@ impl MouseEventHandler {
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mut self,
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handler: impl Fn(Vector2F, usize, &mut EventContext) + 'static,
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) -> Self {
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self.click_handler = Some(Rc::new(handler));
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self.click = Some(Rc::new(handler));
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self
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}
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@ -72,7 +76,7 @@ impl MouseEventHandler {
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mut self,
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handler: impl Fn(Vector2F, &mut EventContext) + 'static,
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) -> Self {
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self.right_mouse_down_handler = Some(Rc::new(handler));
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self.right_mouse_down = Some(Rc::new(handler));
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self
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}
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@ -80,12 +84,12 @@ impl MouseEventHandler {
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mut self,
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handler: impl Fn(Vector2F, usize, &mut EventContext) + 'static,
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) -> Self {
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self.right_click_handler = Some(Rc::new(handler));
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self.right_click = Some(Rc::new(handler));
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self
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}
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pub fn on_drag(mut self, handler: impl Fn(Vector2F, &mut EventContext) + 'static) -> Self {
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self.drag_handler = Some(Rc::new(handler));
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self.drag = Some(Rc::new(handler));
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self
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}
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@ -134,11 +138,13 @@ impl Element for MouseEventHandler {
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discriminant: Some((self.tag, self.id)),
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bounds: self.hit_bounds(bounds),
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hover: None,
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click: self.click_handler.clone(),
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mouse_down: self.mouse_down_handler.clone(),
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right_click: self.right_click_handler.clone(),
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right_mouse_down: self.right_mouse_down_handler.clone(),
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drag: self.drag_handler.clone(),
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click: self.click.clone(),
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mouse_down: self.mouse_down.clone(),
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right_click: self.right_click.clone(),
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right_mouse_down: self.right_mouse_down.clone(),
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mouse_down_out: self.mouse_down_out.clone(),
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right_mouse_down_out: self.right_mouse_down_out.clone(),
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drag: self.drag.clone(),
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});
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self.child.paint(bounds.origin(), visible_bounds, cx);
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@ -222,6 +222,7 @@ impl Presenter {
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let mut invalidated_views = Vec::new();
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let mut hovered_regions = Vec::new();
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let mut unhovered_regions = Vec::new();
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let mut mouse_down_out_handlers = Vec::new();
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let mut mouse_down_region = None;
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let mut clicked_region = None;
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let mut right_mouse_down_region = None;
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@ -230,13 +231,18 @@ impl Presenter {
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match event {
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Event::LeftMouseDown { position, .. } => {
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let mut hit = false;
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for (region, _) in self.mouse_regions.iter().rev() {
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if region.bounds.contains_point(position) {
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if !hit {
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hit = true;
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invalidated_views.push(region.view_id);
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mouse_down_region = Some((region.clone(), position));
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self.clicked_region = Some(region.clone());
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self.prev_drag_position = Some(position);
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break;
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}
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} else if let Some(handler) = region.mouse_down_out.clone() {
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mouse_down_out_handlers.push((handler, region.view_id, position));
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}
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}
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}
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@ -254,12 +260,17 @@ impl Presenter {
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}
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}
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Event::RightMouseDown { position, .. } => {
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let mut hit = false;
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for (region, _) in self.mouse_regions.iter().rev() {
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if region.bounds.contains_point(position) {
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if !hit {
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hit = true;
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invalidated_views.push(region.view_id);
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right_mouse_down_region = Some((region.clone(), position));
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self.right_clicked_region = Some(region.clone());
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break;
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}
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} else if let Some(handler) = region.right_mouse_down_out.clone() {
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mouse_down_out_handlers.push((handler, region.view_id, position));
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}
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}
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}
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@ -355,6 +366,10 @@ impl Presenter {
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}
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}
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for (handler, view_id, position) in mouse_down_out_handlers {
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event_cx.with_current_view(view_id, |event_cx| handler(position, event_cx))
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}
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if let Some((mouse_down_region, position)) = mouse_down_region {
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if let Some(mouse_down_callback) = mouse_down_region.mouse_down {
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handled = true;
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@ -54,6 +54,8 @@ pub struct MouseRegion {
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pub right_mouse_down: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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pub right_click: Option<Rc<dyn Fn(Vector2F, usize, &mut EventContext)>>,
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pub drag: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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pub mouse_down_out: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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pub right_mouse_down_out: Option<Rc<dyn Fn(Vector2F, &mut EventContext)>>,
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}
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#[derive(Copy, Clone, Eq, PartialEq, Hash)]
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