Created
November 8, 2020 00:01
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Connect entry change signal to a function with Gtk-rs
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| // This example is part of the Zwitterio GTK-rs examples series | |
| extern crate gio; | |
| extern crate gtk; | |
| use gio::prelude::*; | |
| use gtk::prelude::*; | |
| use std::env::args; | |
| fn build_ui(application: >k::Application) { | |
| // Make window | |
| let window = gtk::ApplicationWindow::new(application); | |
| // Use grid as container and set margins | |
| let grid = gtk::Grid::new(); | |
| grid.set_margin_start(10 as i32); | |
| grid.set_margin_end(10 as i32); | |
| grid.set_margin_top(10 as i32); | |
| grid.set_margin_bottom(10 as i32); | |
| // Entry needs a buffer which store the text value | |
| let buffer = gtk::EntryBuffer::new(Some("start value")); | |
| // Let's assign "start value" as initial value of entry, using `with_buffer(&buffer)` | |
| let entry = gtk::Entry::with_buffer(&buffer); | |
| // Attach the entry widget to the first raw and first column of the grid | |
| grid.attach(&entry, 0, 0, 1, 1); | |
| // Connect every change of entry text to this closure | |
| &entry.connect_changed(move|_| { | |
| // Every change is showed on your terminal | |
| println!("{}", &buffer.get_text().as_str()); | |
| }); | |
| // Final settings for main window | |
| window.add(&grid); | |
| window.set_title("Zwit Example: Entry Update"); | |
| window.set_position(gtk::WindowPosition::Center); | |
| window.show_all(); | |
| } | |
| fn main() { | |
| let application = | |
| gtk::Application::new(Some("zwitterio.gtk.rs.examples.entry_update"), Default::default()) | |
| .expect("Initialization failed..."); | |
| application.connect_activate(|app| { | |
| build_ui(app); | |
| }); | |
| application.run(&args().collect::<Vec<_>>()); | |
| } |
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