app: update to rust 1.63 and fix some lint issues

Fix format! and missing derive

Cargo.toml

@@ -2,6 +2,7 @@
 name = "gst_pipeline_studio"
 version = "0.2.3"
 edition = "2018"
+rust-version = "1.63"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

src/gps/element.rs

@@ -14,6 +14,7 @@ use crate::GPS_INFO;
 use gst::glib;
 use gst::prelude::*;
 use std::collections::HashMap;
+use std::fmt::Write as _;
 
 #[derive(Debug, Default, Eq, Ord, PartialEq, PartialOrd)]
 pub struct ElementInfo {
@@ -65,7 +66,7 @@ impl ElementInfo {
         if let Ok(factory) = feature.downcast::<gst::ElementFactory>() {
             desc.push_str("<b>Factory details:</b>\n");
             desc.push_str("<b>Rank:</b>");
-            desc.push_str(&format!("{:?}", rank));
+            let _ = write!(desc, "{:?}", rank);
             desc.push('\n');
             desc.push_str("<b>Name:</b>");
             desc.push_str(&factory.name());
@@ -78,7 +79,7 @@ impl ElementInfo {
                     desc.push_str("<b>");
                     desc.push_str(&key);
                     desc.push_str("</b>:");
-                    desc.push_str(&gtk::glib::markup_escape_text(val).to_string());
+                    desc.push_str(&gtk::glib::markup_escape_text(val));
                     desc.push('\n');
                 }
             }
@@ -94,25 +95,22 @@ impl ElementInfo {
                 desc.push('\n');
                 desc.push_str("<b>Description:");
                 desc.push_str("</b>");
-                desc.push_str(&gtk::glib::markup_escape_text(&plugin.description()).to_string());
+                desc.push_str(&gtk::glib::markup_escape_text(&plugin.description()));
                 desc.push('\n');
                 desc.push_str("<b>Filename:");
                 desc.push_str("</b>");
-                desc.push_str(
-                    &gtk::glib::markup_escape_text(
-                        &plugin
-                            .filename()
-                            .unwrap_or_default()
-                            .as_path()
-                            .display()
-                            .to_string(),
-                    )
-                    .to_string(),
-                );
+                desc.push_str(&gtk::glib::markup_escape_text(
+                    &plugin
+                        .filename()
+                        .unwrap_or_default()
+                        .as_path()
+                        .display()
+                        .to_string(),
+                ));
                 desc.push('\n');
                 desc.push_str("<b>Version:");
                 desc.push_str("</b>");
-                desc.push_str(&gtk::glib::markup_escape_text(&plugin.version()).to_string());
+                desc.push_str(&gtk::glib::markup_escape_text(&plugin.version()));
                 desc.push('\n');
             }
         }
@@ -215,7 +213,7 @@ impl ElementInfo {
     pub fn search_fo_element(bin: &gst::Bin, element_name: &str) -> Vec<gst::Element> {
         let mut iter = bin.iterate_elements();
         let mut elements: Vec<gst::Element> = Vec::new();
-        let elements = loop {
+        elements = loop {
             match iter.next() {
                 Ok(Some(element)) => {
                     if element.is::<gst::Bin>() {

src/gps/pad.rs

@@ -13,7 +13,7 @@ use crate::graphmanager::{PortDirection, PortPresence};
 
 use gst::prelude::*;
 
-#[derive(Debug, PartialOrd, PartialEq)]
+#[derive(Debug, PartialOrd, PartialEq, Eq)]
 pub struct PadInfo {
     name: Option<String>,
     element_name: Option<String>,

src/gps/player.rs

@@ -20,10 +20,11 @@ use gtk::gdk;
 use std::cell::{Cell, RefCell};
 use std::collections::HashMap;
 use std::fmt;
+use std::fmt::Write as _;
 use std::ops;
 use std::rc::{Rc, Weak};
 
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub enum PipelineState {
     Playing,
     Paused,
@@ -332,13 +333,13 @@ impl Player {
         mut description: String,
     ) -> String {
         let unique_name = node.unique_name();
-        description.push_str(&format!("{} name={} ", node.name(), unique_name));
+        let _ = write!(description, "{} name={} ", node.name(), unique_name);
         elements.insert(unique_name.clone(), unique_name.clone());
         // Node properties
         for (name, value) in node.properties().iter() {
             //This allow to have an index in front of a property such as an enum.
             if !node.hidden_property(name) {
-                description.push_str(&format!("{}={} ", name, value));
+                let _ = write!(description, "{}={} ", name, value);
             }
         }
         //Port properties
@@ -346,7 +347,7 @@ impl Player {
         for port in ports {
             for (name, value) in port.properties().iter() {
                 if !port.hidden_property(name) {
-                    description.push_str(&format!("{}::{}={} ", port.name(), name, value));
+                    let _ = write!(description, "{}::{}={} ", port.name(), name, value);
                 }
             }
         }
@@ -356,13 +357,13 @@ impl Player {
         for port in ports {
             if let Some((_port_to, node_to)) = graphview.port_connected_to(port.id()) {
                 if n_ports > 1 {
-                    description.push_str(&format!("{}. ! ", unique_name));
+                    let _ = write!(description, "{}. ! ", unique_name);
                 } else {
                     description.push_str("! ");
                 }
                 if let Some(node) = graphview.node(node_to) {
                     if elements.contains_key(&node.unique_name()) {
-                        description.push_str(&format!("{}. ", node.unique_name()));
+                        let _ = write!(description, "{}. ", node.unique_name());
                     } else {
                         description =
                             self.process_gst_node(graphview, &node, elements, description.clone());