mirror of
https://github.com/eliasstepanik/egui_node_graph.git
synced 2026-01-10 21:38:27 +00:00
parent
8408503866
commit
441f7856ee
@ -61,10 +61,18 @@ where
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pub fn draw_graph_editor(
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&mut self,
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ctx: &CtxRef,
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ui: &mut Ui,
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all_kinds: impl NodeTemplateIter<Item = NodeTemplate>,
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) -> GraphResponse<UserResponse> {
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// This causes the graph editor to use as much free space as it can.
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// (so for windows it will use up to the resizeably set limit
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// and for a Panel it will fill it completely)
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let editor_rect = ui.max_rect();
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ui.allocate_rect(editor_rect, Sense::hover());
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let mouse = &ctx.input().pointer;
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let cursor_pos = mouse.hover_pos().unwrap_or(Pos2::ZERO);
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let mut cursor_in_editor = editor_rect.contains(cursor_pos);
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// Gets filled with the port locations as nodes are drawn
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let mut port_locations = PortLocations::new();
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@ -83,32 +91,30 @@ where
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inconsistent self. It has either more or less values than the graph."
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);
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CentralPanel::default().show(ctx, |ui| {
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/* Draw nodes */
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for node_id in self.node_order.iter().copied() {
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let responses = GraphNodeWidget {
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position: self.node_positions.get_mut(node_id).unwrap(),
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graph: &mut self.graph,
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port_locations: &mut port_locations,
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node_id,
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ongoing_drag: self.connection_in_progress,
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selected: self
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.selected_node
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.map(|selected| selected == node_id)
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.unwrap_or(false),
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pan: self.pan_zoom.pan,
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}
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/* Draw nodes */
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for node_id in self.node_order.iter().copied() {
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let responses = GraphNodeWidget {
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position: self.node_positions.get_mut(node_id).unwrap(),
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graph: &mut self.graph,
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port_locations: &mut port_locations,
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node_id,
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ongoing_drag: self.connection_in_progress,
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selected: self
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.selected_node
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.map(|selected| selected == node_id)
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.unwrap_or(false),
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pan: self.pan_zoom.pan,
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}
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.show(ui, &self.user_state);
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// Actions executed later
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delayed_responses.extend(responses);
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}
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// Actions executed later
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delayed_responses.extend(responses);
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}
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let r = ui.allocate_rect(ui.min_rect(), Sense::click());
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if r.clicked() {
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click_on_background = true;
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}
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});
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let r = ui.allocate_rect(ui.min_rect(), Sense::click());
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if r.clicked() {
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click_on_background = true;
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}
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/* Draw the node finder, if open */
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let mut should_close_node_finder = false;
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@ -131,6 +137,12 @@ where
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should_close_node_finder = true;
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delayed_responses.push(NodeResponse::CreatedNode(new_node));
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}
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let finder_rect = ui.max_rect();
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// If the cursor is not in the main editor, check if the cursor *is* in the finder
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// if the cursor is in the finder, then we can consider that also in the editor.
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if !cursor_in_editor && finder_rect.contains(cursor_pos){
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cursor_in_editor = true;
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}
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});
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}
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if should_close_node_finder {
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@ -228,7 +240,7 @@ where
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self.connection_in_progress = None;
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}
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if mouse.button_down(PointerButton::Secondary) {
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if mouse.button_down(PointerButton::Secondary) && cursor_in_editor{
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self.node_finder = Some(NodeFinder::new_at(cursor_pos));
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}
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if ctx.input().key_pressed(Key::Escape) {
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@ -239,7 +251,9 @@ where
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self.pan_zoom.pan += ctx.input().pointer.delta();
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}
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if click_on_background {
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// Deselect and deactivate finder if the editor backround is clicked,
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// *or* if the the mouse clicks off the ui
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if click_on_background || (mouse.any_click() && !cursor_in_editor){
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self.selected_node = None;
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self.node_finder = None;
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}
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