Make the default keyboard shortcuts optional

crates/egui-winit/src/lib.rs

@@ -762,7 +762,7 @@ impl State {
         // are mapped to the physical keys that normally contain C, X, V, etc.
         // See also: https://github.com/emilk/egui/issues/3653
         if let Some(active_key) = logical_key.or(physical_key) {
-            if pressed {
+            if pressed && self.egui_ctx.options(|o| o.default_shortcuts) {
                 if is_cut_command(self.egui_input.modifiers, active_key) {
                     self.egui_input.events.push(egui::Event::Cut);
                     return;

crates/egui/src/memory/mod.rs

@@ -229,6 +229,12 @@ pub struct Options {
     #[cfg_attr(feature = "serde", serde(skip))]
     pub zoom_with_keyboard: bool,
 
+    /// If `true`, common keyboard shortcuts will be converted into events such as `Copy` and
+    /// `Paste`.
+    ///
+    /// This is `true` by default.
+    pub default_shortcuts: bool,
+
     /// Controls the tessellator.
     pub tessellation_options: epaint::TessellationOptions,
 
@@ -323,6 +329,7 @@ impl Default for Options {
             system_theme: None,
             zoom_factor: 1.0,
             zoom_with_keyboard: true,
+            default_shortcuts: true,
             tessellation_options: Default::default(),
             repaint_on_widget_change: false,
             max_passes: NonZeroUsize::new(2).unwrap(),
@@ -381,6 +388,7 @@ impl Options {
             system_theme: _,
             zoom_factor: _, // TODO(emilk)
             zoom_with_keyboard,
+            default_shortcuts,
             tessellation_options,
             repaint_on_widget_change,
             max_passes,
@@ -415,6 +423,11 @@ impl Options {
                     "Zoom with keyboard (Cmd +, Cmd -, Cmd 0)",
                 );
 
+                ui.checkbox(
+                    default_shortcuts,
+                    "Default keyboard shortcuts (Cut, Copy, Paste)",
+                );
+
                 ui.checkbox(warn_on_id_clash, "Warn if two widgets have the same Id");
 
                 ui.checkbox(reduce_texture_memory, "Reduce texture memory");