elias/egui_node_graph
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Make editor ui work inside windows.

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Fix for #4
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nodeSpace 2022-04-05 23:28:59 -04:00 committed by GitHub
parent 8408503866
commit 441f7856ee
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1 changed files with 39 additions and 25 deletions
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64
egui_node_graph/src/editor_ui.rs
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@ -61,10 +61,18 @@ where
pub fn draw_graph_editor(
&mut self,
ctx: &CtxRef,
ui: &mut Ui,
all_kinds: impl NodeTemplateIter<Item = NodeTemplate>,
) -> GraphResponse<UserResponse> {
// This causes the graph editor to use as much free space as it can.
// (so for windows it will use up to the resizeably set limit
// and for a Panel it will fill it completely)
let editor_rect = ui.max_rect();
ui.allocate_rect(editor_rect, Sense::hover());
let mouse = &ctx.input().pointer;
let cursor_pos = mouse.hover_pos().unwrap_or(Pos2::ZERO);
let mut cursor_in_editor = editor_rect.contains(cursor_pos);
// Gets filled with the port locations as nodes are drawn
let mut port_locations = PortLocations::new();
@ -83,32 +91,30 @@ where
inconsistent self. It has either more or less values than the graph."
);
CentralPanel::default().show(ctx, |ui| {
/* Draw nodes */
for node_id in self.node_order.iter().copied() {
let responses = GraphNodeWidget {
position: self.node_positions.get_mut(node_id).unwrap(),
graph: &mut self.graph,
port_locations: &mut port_locations,
node_id,
ongoing_drag: self.connection_in_progress,
selected: self
.selected_node
.map(|selected| selected == node_id)
.unwrap_or(false),
pan: self.pan_zoom.pan,
}
/* Draw nodes */
for node_id in self.node_order.iter().copied() {
let responses = GraphNodeWidget {
position: self.node_positions.get_mut(node_id).unwrap(),
graph: &mut self.graph,
port_locations: &mut port_locations,
node_id,
ongoing_drag: self.connection_in_progress,
selected: self
.selected_node
.map(|selected| selected == node_id)
.unwrap_or(false),
pan: self.pan_zoom.pan,
}
.show(ui, &self.user_state);
// Actions executed later
delayed_responses.extend(responses);
}
// Actions executed later
delayed_responses.extend(responses);
}
let r = ui.allocate_rect(ui.min_rect(), Sense::click());
if r.clicked() {
click_on_background = true;
}
});
let r = ui.allocate_rect(ui.min_rect(), Sense::click());
if r.clicked() {
click_on_background = true;
}
/* Draw the node finder, if open */
let mut should_close_node_finder = false;
@ -131,6 +137,12 @@ where
should_close_node_finder = true;
delayed_responses.push(NodeResponse::CreatedNode(new_node));
}
let finder_rect = ui.max_rect();
// If the cursor is not in the main editor, check if the cursor *is* in the finder
// if the cursor is in the finder, then we can consider that also in the editor.
if !cursor_in_editor && finder_rect.contains(cursor_pos){
cursor_in_editor = true;
}
});
}
if should_close_node_finder {
@ -228,7 +240,7 @@ where
self.connection_in_progress = None;
}
if mouse.button_down(PointerButton::Secondary) {
if mouse.button_down(PointerButton::Secondary) && cursor_in_editor{
self.node_finder = Some(NodeFinder::new_at(cursor_pos));
}
if ctx.input().key_pressed(Key::Escape) {
@ -239,7 +251,9 @@ where
self.pan_zoom.pan += ctx.input().pointer.delta();
}
if click_on_background {
// Deselect and deactivate finder if the editor backround is clicked,
// *or* if the the mouse clicks off the ui
if click_on_background || (mouse.any_click() && !cursor_in_editor){
self.selected_node = None;
self.node_finder = None;
}