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110 lines
3.1 KiB
Markdown
110 lines
3.1 KiB
Markdown
### muda
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Menu Utilities library for Desktop Applications.
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[](https://docs.rs/muda/latest/muda/)
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## Platforms supported:
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- Windows
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- macOS
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- Linux (gtk Only)
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## Platform-specific notes:
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- On Windows, accelerators don't work unless the win32 message loop calls
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[`TranslateAcceleratorW`](https://docs.rs/windows-sys/latest/windows_sys/Win32/UI/WindowsAndMessaging/fn.TranslateAcceleratorW.html).
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See [`Menu::init_for_hwnd`](https://docs.rs/muda/latest/x86_64-pc-windows-msvc/muda/struct.Menu.html#method.init_for_hwnd) for more details
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### Cargo Features
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- `common-controls-v6`: Use `TaskDialogIndirect` API from `ComCtl32.dll` v6 on Windows for showing the predefined `About` menu item dialog.
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- `libxdo`: Enables linking to `libxdo` on Linux which is used for the predfined `Copy`, `Cut`, `Paste` and `SelectAll` menu item.
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- `serde`: Enables de/serializing the dpi types.
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## Dependencies (Linux Only)
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`gtk` is used for menus and `libxdo` is used to make the predfined `Copy`, `Cut`, `Paste` and `SelectAll` menu items work. Be sure to install following packages before building:
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#### Arch Linux / Manjaro:
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```sh
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pacman -S gtk3 xdotool
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```
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#### Debian / Ubuntu:
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```sh
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sudo apt install libgtk-3-dev libxdo-dev
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```
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## Example
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Create the menu and add your items
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```rs
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let menu = Menu::new();
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let menu_item2 = MenuItem::new("Menu item #2", false, None);
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let submenu = Submenu::with_items("Submenu Outer", true,&[
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&MenuItem::new("Menu item #1", true, Some(Accelerator::new(Some(Modifiers::ALT), Code::KeyD))),
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&PredefinedMenuItem::separator(),
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&menu_item2,
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&MenuItem::new("Menu item #3", true, None),
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&PredefinedMenuItem::separator(),
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&Submenu::with_items("Submenu Inner", true,&[
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&MenuItem::new("Submenu item #1", true, None),
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&PredefinedMenuItem::separator(),
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&menu_item2,
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])
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]);
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```
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Then add your root menu to a Window on Windows and Linux
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or use it as your global app menu on macOS
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```rs
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// --snip--
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#[cfg(target_os = "windows")]
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menu.init_for_hwnd(window.hwnd() as isize);
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#[cfg(target_os = "linux")]
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menu.init_for_gtk_window(>k_window, Some(&vertical_gtk_box));
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#[cfg(target_os = "macos")]
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menu.init_for_nsapp();
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```
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## Context menus (Popup menus)
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You can also use a [`Menu`] or a [`Submenu`] show a context menu.
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```rs
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// --snip--
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let position = muda::PhysicalPosition { x: 100., y: 120. };
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#[cfg(target_os = "windows")]
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menu.show_context_menu_for_hwnd(window.hwnd() as isize, Some(position.into()));
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#[cfg(target_os = "linux")]
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menu.show_context_menu_for_gtk_window(>k_window, Some(position.into()));
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#[cfg(target_os = "macos")]
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menu.show_context_menu_for_nsview(nsview, Some(position.into()));
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```
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## Processing menu events
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You can use `MenuEvent::receiver` to get a reference to the `MenuEventReceiver`
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which you can use to listen to events when a menu item is activated
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```rs
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if let Ok(event) = MenuEvent::receiver().try_recv() {
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match event.id {
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_ if event.id == save_item.id() => {
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println!("Save menu item activated");
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},
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_ => {}
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}
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}
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```
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## License
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Apache-2.0/MIT
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