add start recording error dialog

locales/en.ftl

@@ -63,6 +63,9 @@ blue-recorder = Blue Recorder
 # Copy right
 copy-right = © 2021 Salem Yaslem
 
+# Close error dialog
+close-error-dialog = Close
+
 # Run command label
 default-command = Default command:
 
@@ -78,15 +81,18 @@ delay-title = Start Recording in…
 # Stop delay timer
 delay-window-stop = Stop
 
-# About message
-dialog-comment =  A simple screen recorder for Linux desktop. Supports Wayland & Xorg.
-
 # Details button
 details-button = Details
 
+# About message
+dialog-comment =  A simple screen recorder for Linux desktop. Supports Wayland & Xorg.
+
 # Run command input
 enter-command = Enter your command here..
 
+# Error dialog
+error-dialog = Error
+
 # Frames label
 file-name = Default filename:
 

src/ffmpeg_interface.rs

@@ -17,6 +17,7 @@ use std::thread::sleep;
 use std::time::Duration;
 use subprocess::Exec;
 use filename::Filename;
+use std::io::{Error, ErrorKind};
 
 #[derive(Clone)]
 pub struct Ffmpeg {
@@ -45,7 +46,7 @@ pub struct Ffmpeg {
 }
 
 impl Ffmpeg {
-    pub fn start_record(&mut self, x: u16, y: u16, width: u16, height: u16) -> Option<()> {
+    pub fn start_record(&mut self, x: u16, y: u16, width: u16, height: u16) -> Result<(), Error> {
         self.saved_filename = Some(
             self.filename
                 .0
@@ -83,7 +84,7 @@ impl Ffmpeg {
             message_dialog.close();
 
             if answer != ResponseType::Yes {
-                return None;
+                return Err(Error::new(ErrorKind::Interrupted, "failed to overwrite file"));
             }
         }
 
@@ -247,8 +248,7 @@ impl Ffmpeg {
                     }
                 },
             )) {
-                println!("failed to start recording");
-                return None;
+                return Err(Error::new(ErrorKind::Interrupted,"failed to start recording"));
             }
         }
 
@@ -265,7 +265,7 @@ impl Ffmpeg {
             self.audio_process = Some(Rc::new(RefCell::new(ffmpeg_command.spawn().unwrap())));
         }
 
-        Some(())
+        Ok(())
     }
 
     pub fn stop_record(&mut self) {

src/main.rs

@@ -11,6 +11,7 @@ mod utils;
 use ffmpeg_interface::Ffmpeg;
 use gtk::glib;
 use gtk::prelude::*;
+use gtk::TextBuffer;
 use gtk::{
     AboutDialog, Application, Builder, Button, CheckButton, ComboBoxText, CssProvider, Entry,
     FileChooserAction, FileChooserNative, Image, Label, MessageDialog, SpinButton,
@@ -18,6 +19,7 @@ use gtk::{
 };
 use utils::{get_bundle, is_wayland};
 use std::cell::RefCell;
+use std::io::ErrorKind;
 use std::ops::Add;
 use std::path::Path;
 use std::rc::Rc;
@@ -597,14 +599,22 @@ pub fn build_ui(application: &Application) {
             );
         } else if _delay_spin.value() as u64 == 0 {
             let _area_capture = area_capture.borrow_mut();
-            match _ffmpeg_record_interface.borrow_mut().start_record(
+            let start_record = _ffmpeg_record_interface.borrow_mut().start_record(
                 _area_capture.x,
                 _area_capture.y,
                 _area_capture.width,
                 _area_capture.height,
-            ) {
-                None => {
-                    // Do nothing if the start_record function return nothing
+            );
+            match start_record {
+                Err(ref error) => {
+                    if error.kind() == ErrorKind::Interrupted {
+                        // Do nothing if the start_record function interrupted
+                    } else {
+                        error_dialog_label.set_label(&get_bundle("start-error", None));
+                        let text_buffer = TextBuffer::new(None);
+                        text_buffer.set_text(&error.to_string());
+                        error_message.set_buffer(Some(&text_buffer));
+                    }
                 }
                 _ => {
                     start_timer(record_time_label.clone());
@@ -645,6 +655,11 @@ pub fn build_ui(application: &Application) {
         _ffmpeg_record_interface.borrow_mut().clone().play_record();
     });
 
+    // Error Dialog
+    error_dialog.set_title(Some(&get_bundle("error-dialog", None)));
+    error_dialog_button.set_label(&get_bundle("close-error-dialog", None));
+    error_expander_label.set_label(&get_bundle("details-button", None));
+
     // About Dialog
     let mut about_icon_path = {
         let mut current_exec_dir = std::env::current_exe().unwrap();