In my first post on this site, I talked about creating a keyboard. I think it's time to rework the text a bit to make it easier to read. I made one more file named buttons.rs it contains buttons, entry and label implementations.
use gtk;
use gtk::{Button, Entry, Label};
pub fn create_button(label: &'static str) -> Button {
let margin = 2;
Button::builder()
.label(label)
.margin_start(margin)
.margin_top(margin)
.margin_end(margin)
.margin_bottom(margin)
.build()
}
pub fn create_entry() -> Entry {
let margin = 2;
Entry::builder()
.margin_start(margin)
.margin_top(margin)
.margin_end(margin)
.margin_bottom(margin)
.build()
}
pub fn create_label(label: Option<&str>) -> Label {
let margin = 2;
let text: &str = label.unwrap_or("default string");
Label::builder()
.label(text)
.margin_start(margin)
.margin_top(margin)
.margin_end(margin)
.margin_bottom(margin)
.build()
}
We can’t add Option to .lebel() we have to convert Option into str label.unwrap_or("default string").
Add buttons.rs to main.rs file
use gtk::prelude::*;
mod gui;
mod buttons;
Add functions as crates to gui.rs
use crate::buttons::create_label;
use crate::buttons::create_entry;
use crate::buttons::create_button;
And declare buttons, labels and whatever you want following this example
let button_1 = create_button("Button 1");
let counter_label = create_label(Some("0.0"));
let label_time = create_label(None);
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