Fix select outside of canvas

Author: Glyphack

src/app.rs

@@ -1481,21 +1481,20 @@ impl App {
             i.pointer
                 .button_double_clicked(egui::PointerButton::Primary)
         });
+        let mouse_is_visible = resp.contains_pointer();
+        let mouse_pos_world = ui
+            .ctx()
+            .pointer_hover_pos()
+            .map(|p| self.screen_to_world(p));
+
         let mouse_up = ui.input(|i| i.pointer.any_released());
         // To use the canvas clicked we need to set everything on objects. Right now some stuff are
         // on canvas rect
-        let mouse_clicked = ui.input(|i| i.pointer.primary_pressed());
-
+        let mouse_clicked = ui.input(|i| i.pointer.primary_pressed()) && mouse_is_visible;
         let right_released = ui.input(|i| i.pointer.secondary_released());
         let right_down = ui.input(|i| i.pointer.secondary_down());
         let right_clicked = ui.input(|i| i.pointer.secondary_clicked());
 
-        let mouse_is_visible = resp.contains_pointer();
-        let mouse_pos_world = ui
-            .ctx()
-            .pointer_hover_pos()
-            .map(|p| self.screen_to_world(p));
-
         let enter_pressed = ui.input(|i| i.key_pressed(egui::Key::Enter));
         let esc_pressed = ui.input(|i| i.key_released(egui::Key::Escape));