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more event wip

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This commit is contained in:
K Simmons 2022-07-22 14:00:38 -07:00
parent 53add253b6
commit a650c146f1
4 changed files with 175 additions and 97 deletions
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147
crates/gpui/src/presenter.rs
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@ -234,10 +234,7 @@ impl Presenter {
pub fn dispatch_event(&mut self, event: Event, cx: &mut MutableAppContext) -> bool {
if let Some(root_view_id) = cx.root_view_id(self.window_id) {
let mut invalidated_views = Vec::new();
let mut mouse_down_out_handlers = Vec::new();
let mut mouse_down_region = None;
let mut clicked_region = None;
let mut dragged_region = None;
let mut events_to_send = Vec::new();
match &event {
Event::MouseDown(
@ -248,32 +245,42 @@ impl Presenter {
let mut hit = false;
for (region, _) in self.mouse_regions.iter().rev() {
if region.bounds.contains_point(*position) {
if !hit {
hit = true;
if !std::mem::replace(&mut hit, true) {
invalidated_views.push(region.view_id);
mouse_down_region =
Some((region.clone(), MouseRegionEvent::Down(e.clone())));
events_to_send
.push((region.clone(), MouseRegionEvent::Down(e.clone())));
self.clicked_region = Some(region.clone());
self.prev_drag_position = Some(*position);
}
} else if let Some(handler) = region
.handlers
.get(&(MouseRegionEvent::down_out_disc(), Some(*button)))
{
mouse_down_out_handlers.push((
handler,
region.view_id,
MouseRegionEvent::DownOut(e.clone()),
));
} else {
events_to_send
.push((region.clone(), MouseRegionEvent::DownOut(e.clone())));
}
}
}
Event::MouseUp(e @ MouseButtonEvent { position, .. }) => {
Event::MouseUp(
e @ MouseButtonEvent {
position, button, ..
},
) => {
let mut hit = false;
for (region, _) in self.mouse_regions.iter().rev() {
if region.bounds.contains_point(*position) {
if !std::mem::replace(&mut hit, true) {
invalidated_views.push(region.view_id);
events_to_send
.push((region.clone(), MouseRegionEvent::Up(e.clone())));
}
} else {
events_to_send
.push((region.clone(), MouseRegionEvent::UpOut(e.clone())));
}
}
self.prev_drag_position.take();
if let Some(region) = self.clicked_region.take() {
invalidated_views.push(region.view_id);
if region.bounds.contains_point(*position) {
clicked_region = Some((region, MouseRegionEvent::Click(e.clone())));
events_to_send.push((region, MouseRegionEvent::Click(e.clone())));
}
}
}
@ -283,7 +290,7 @@ impl Presenter {
.as_ref()
.zip(self.prev_drag_position.as_mut())
{
dragged_region = Some((
events_to_send.push((
clicked_region.clone(),
MouseRegionEvent::Drag(*prev_drag_position, *e),
));
@ -298,39 +305,11 @@ impl Presenter {
let (mut handled, mut event_cx) =
self.handle_hover_events(&event, &mut invalidated_views, cx);
for (handler, view_id, region_event) in mouse_down_out_handlers {
event_cx.with_current_view(view_id, |event_cx| handler(region_event, event_cx))
}
if let Some((mouse_down_region, region_event)) = mouse_down_region {
for (region, event) in events_to_send {
handled = true;
if let Some(mouse_down_callback) =
mouse_down_region.handlers.get(&region_event.handler_key())
{
event_cx.with_current_view(mouse_down_region.view_id, |event_cx| {
mouse_down_callback(region_event, event_cx);
})
}
}
if let Some((clicked_region, region_event)) = clicked_region {
handled = true;
if let Some(click_callback) =
clicked_region.handlers.get(&region_event.handler_key())
{
event_cx.with_current_view(clicked_region.view_id, |event_cx| {
click_callback(region_event, event_cx);
})
}
}
if let Some((dragged_region, region_event)) = dragged_region {
handled = true;
if let Some(drag_callback) =
dragged_region.handlers.get(&region_event.handler_key())
{
event_cx.with_current_view(dragged_region.view_id, |event_cx| {
drag_callback(region_event, event_cx);
if let Some(callback) = region.handlers.get(&event.handler_key()) {
event_cx.with_current_view(region.view_id, |event_cx| {
callback(event, event_cx);
})
}
}
@ -366,38 +345,44 @@ impl Presenter {
},
) = event
{
if pressed_button.is_none() {
let mut style_to_assign = CursorStyle::Arrow;
for region in self.cursor_regions.iter().rev() {
if region.bounds.contains_point(*position) {
style_to_assign = region.style;
break;
}
let mut style_to_assign = CursorStyle::Arrow;
for region in self.cursor_regions.iter().rev() {
if region.bounds.contains_point(*position) {
style_to_assign = region.style;
break;
}
cx.platform().set_cursor_style(style_to_assign);
}
cx.platform().set_cursor_style(style_to_assign);
let mut hover_depth = None;
for (region, depth) in self.mouse_regions.iter().rev() {
if region.bounds.contains_point(*position)
&& hover_depth.map_or(true, |hover_depth| hover_depth == *depth)
{
hover_depth = Some(*depth);
if let Some(region_id) = region.id() {
if !self.hovered_region_ids.contains(&region_id) {
invalidated_views.push(region.view_id);
hover_regions
.push((region.clone(), MouseRegionEvent::Hover(true, *e)));
self.hovered_region_ids.insert(region_id);
}
}
} else if let Some(region_id) = region.id() {
if self.hovered_region_ids.contains(&region_id) {
let mut hover_depth = None;
for (region, depth) in self.mouse_regions.iter().rev() {
if region.bounds.contains_point(*position)
&& hover_depth.map_or(true, |hover_depth| hover_depth == *depth)
{
hover_depth = Some(*depth);
if let Some(region_id) = region.id() {
if !self.hovered_region_ids.contains(&region_id) {
invalidated_views.push(region.view_id);
hover_regions
.push((region.clone(), MouseRegionEvent::Hover(false, *e)));
self.hovered_region_ids.remove(&region_id);
let region_event = if let Some(pressed_button) = pressed_button {
MouseRegionEvent::DragOver(true, e.clone())
} else {
MouseRegionEvent::Hover(true, e.clone())
};
hover_regions.push((region.clone(), region_event));
self.hovered_region_ids.insert(region_id);
}
}
} else if let Some(region_id) = region.id() {
if self.hovered_region_ids.contains(&region_id) {
invalidated_views.push(region.view_id);
let region_event = if let Some(pressed_button) = pressed_button {
MouseRegionEvent::DragOver(false, e.clone())
} else {
MouseRegionEvent::Hover(false, e.clone())
};
hover_regions.push((region.clone(), region_event));
self.hovered_region_ids.remove(&region_id);
}
}
}
}
@ -407,9 +392,9 @@ impl Presenter {
for (hover_region, region_event) in hover_regions {
handled = true;
if let Some(hover_callback) = hover_region.handlers.get(&region_event.handler_key()) {
if let Some(callback) = hover_region.handlers.get(&region_event.handler_key()) {
event_cx.with_current_view(hover_region.view_id, |event_cx| {
hover_callback(region_event, event_cx);
callback(region_event, event_cx);
})
}
}