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draw_graph_editor: fix cursor_in_editor

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Previously the editor assumed that if the editor_rect contained the
cursor, then the editor should act like it is hovered. This works as
long as the editor is the only widget in the central panel, but it broke
when interacting with windows.

If a window was covering some part of the editor widget:
1. You could open the node finder while hovering the window, which is
   terrible for interacting with widgets within that window.
2. You could not close the node finder by clicking on the window (this
   click was considered neither a background click, nor an out-of-editor
   click).

This is fixed by using egui sense to detect hover, which will
automatically handle any widgets overlapping the editor.
This commit is contained in:
Kamil Koczurek 2023-05-13 12:42:46 +02:00
parent 0594981326
commit 2c1b77d935
1 changed files with 2 additions and 2 deletions
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4
egui_node_graph/src/editor_ui.rs
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@ -114,12 +114,12 @@ where
// (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 resp = ui.allocate_rect(editor_rect, Sense::hover());
let cursor_pos = ui
.ctx()
.input(|i| i.pointer.hover_pos().unwrap_or(Pos2::ZERO));
let mut cursor_in_editor = editor_rect.contains(cursor_pos);
let mut cursor_in_editor = resp.hovered();
let mut cursor_in_finder = false;
// Gets filled with the node metrics as they are drawn