Add timezone page

src/build_ui.rs

@@ -11,8 +11,9 @@ use gtk::subclass::layout_child;
 use crate::save_window_size;
 use crate::welcome_page;
 use crate::language_page;
-use crate::keyboard_page;
 use crate::eula_page;
+use crate::timezone_page;
+use crate::keyboard_page;
 use crate::partitioning_page;
 
 // build ui function linked to app startup above
@@ -103,6 +104,9 @@ pub fn build_ui(app: &adw::Application) {
     // Add eula_page.rs as a page for content_stack
     eula_page(&content_stack);
 
+    // Add timezone_page.rs as a page for content_stack
+    timezone_page(&content_stack);
+
     // Add keyboard_page.rs as a page for content_stack
     keyboard_page(&content_stack);
 

src/eula_page.rs

@@ -170,7 +170,7 @@ pub fn eula_page(content_stack: &gtk::Stack) {
     }));
 
     bottom_next_button.connect_clicked(clone!(@weak content_stack => move |_| {
-        content_stack.set_visible_child_name("keyboard_page")
+        content_stack.set_visible_child_name("timezone_page")
     }));
     bottom_back_button.connect_clicked(clone!(@weak content_stack => move |_| {
         content_stack.set_visible_child_name("language_page")

src/keyboard_page.rs

@@ -224,7 +224,7 @@ pub fn keyboard_page(content_stack: &gtk::Stack) {
         content_stack.set_visible_child_name("partitioning_page")
     }));
     bottom_back_button.connect_clicked(clone!(@weak content_stack => move |_| {
-        content_stack.set_visible_child_name("eula_page")
+        content_stack.set_visible_child_name("timezone_page")
     }));
 
 }

src/main.rs

@@ -14,14 +14,16 @@ use crate::build_ui::build_ui;
 mod save_window_size;
 mod welcome_page;
 mod language_page;
-mod keyboard_page;
 mod eula_page;
+mod timezone_page;
+mod keyboard_page;
 mod partitioning_page;
 use crate::save_window_size::save_window_size;
 use crate::welcome_page::welcome_page;
 use crate::language_page::language_page;
-use crate::keyboard_page::keyboard_page;
 use crate::eula_page::eula_page;
+use crate::timezone_page::timezone_page;
+use crate::keyboard_page::keyboard_page;
 use crate::partitioning_page::partitioning_page;
 
 /// main function

src/timezone_page.rs

@@ -0,0 +1,220 @@
+// Use libraries
+/// Use all gtk4 libraries (gtk4 -> gtk because cargo)
+/// Use all libadwaita libraries (libadwaita -> adw because cargo)
+use gtk::prelude::*;
+use gtk::*;
+use adw::prelude::*;
+use adw::*;
+use glib::*;
+use gdk::Display;
+use gtk::subclass::layout_child;
+
+use std::io::BufRead;
+use std::io::BufReader;
+use std::process::Command;
+use std::process::Stdio;
+use std::time::Instant;
+use std::str;
+
+pub fn timezone_page(content_stack: &gtk::Stack) {
+
+    // create the bottom box for next and back buttons
+    let bottom_box = gtk::Box::builder()
+        .orientation(Orientation::Horizontal)
+        .valign(gtk::Align::End)
+        .vexpand(true)
+        .build();
+    
+    // Next and back button
+    let bottom_back_button = gtk::Button::builder()
+        .label("Back")
+        .margin_top(15)
+        .margin_bottom(15)
+        .margin_start(15)
+        .margin_end(15)
+        .halign(gtk::Align::Start)
+        .hexpand(true)
+        .build();
+    let bottom_next_button = gtk::Button::builder()
+        .label("Next")
+        .margin_top(15)
+        .margin_bottom(15)
+        .margin_start(15)
+        .margin_end(15)
+        .halign(gtk::Align::End)
+        .hexpand(true)
+        .sensitive(false)
+        .build();
+    
+    // Start Applying css classes
+    bottom_next_button.add_css_class("suggested-action");
+    
+    // / bottom_box appends
+    //// Add the next and back buttons
+    bottom_box.append(&bottom_back_button);
+    bottom_box.append(&bottom_next_button);
+
+   // the header box for the timezone page
+   let timezone_main_box = gtk::Box::builder()
+       .orientation(Orientation::Vertical)
+       .build();
+
+   // the header box for the timezone page
+   let timezone_header_box = gtk::Box::builder()
+       .orientation(Orientation::Horizontal)
+       .build();
+
+   // the header text for the timezone page
+   let timezone_header_text = gtk::Label::builder()
+       .label("Select a timezone")
+       .halign(gtk::Align::End)
+       .hexpand(true)
+       .margin_top(15)
+       .margin_bottom(15)
+       .margin_start(15)
+       .margin_end(5)
+       .build();
+    timezone_header_text.add_css_class("header_sized_text");
+
+   // the header icon for the timezone icon
+   let timezone_header_icon = gtk::Image::builder()
+       .icon_name("clock")
+       .halign(gtk::Align::Start)
+       .hexpand(true)
+       .pixel_size(78)
+       .margin_top(15)
+       .margin_bottom(15)
+       .margin_start(0)
+       .margin_end(15)
+       .build();
+
+   // make timezone selection box for choosing installation or live media 
+   let timezone_selection_box = gtk::Box::builder()
+       .orientation(Orientation::Vertical)
+       .build();
+
+    // / timezone_header_box appends
+    //// Add the timezone page header text and icon
+    timezone_header_box.append(&timezone_header_text);
+    timezone_header_box.append(&timezone_header_icon);
+    
+    // / timezone_main_box appends
+    //// Add the timezone header to timezone main box
+    timezone_main_box.append(&timezone_header_box);
+    //// Add the timezone selection/page content box to timezone main box
+    timezone_main_box.append(&timezone_selection_box);
+
+    // text above timezone selection box
+    let timezone_selection_text = gtk::Label::builder()
+        .label("Please select a Time Zone for the system to use")
+        .halign(gtk::Align::Center)
+        .hexpand(true)
+        .margin_top(15)
+        .margin_bottom(15)
+        .margin_start(15)
+        .margin_end(15)
+        .build();
+    timezone_selection_text.add_css_class("medium_sized_text");
+
+    let timezone_selection_expander_row = adw::ExpanderRow::builder()
+        .title("No Time Zone selected")
+        .build();
+
+    let null_checkbutton = gtk::CheckButton::builder()
+        .label("No Time Zone selected")
+        .build();
+
+    let timezone_selection_expander_row_viewport = gtk::ScrolledWindow::builder()
+        .height_request(200)
+        .build();
+
+    let timezone_selection_expander_row_viewport_box = gtk::Box::builder()
+            .orientation(Orientation::Vertical)
+            .build();
+
+    let timezone_selection_expander_row_viewport_listbox = gtk::ListBox::builder()
+            .selection_mode(SelectionMode::None)
+            .margin_top(15)
+            .margin_bottom(15)
+            .margin_start(15)
+            .margin_end(15)
+            .build();
+    timezone_selection_expander_row_viewport_listbox.add_css_class("boxed-list");
+    timezone_selection_expander_row_viewport_listbox.append(&timezone_selection_expander_row);
+
+    timezone_selection_expander_row_viewport.set_child(Some(&timezone_selection_expander_row_viewport_box));
+
+    timezone_selection_expander_row.add_row(&timezone_selection_expander_row_viewport);
+
+    let current_timezone_cli = Command::new("timedatectl")
+        .arg("show")
+        .arg("--va")
+        .arg("-p")
+        .arg("Timezone")
+        .stdin(Stdio::piped())
+        .stdout(Stdio::piped())
+        .spawn()
+        .unwrap_or_else(|e| panic!("failed {}", e));
+
+    let current_timezone_output = current_timezone_cli.wait_with_output().unwrap();
+    let current_timezone = str::from_utf8(&current_timezone_output.stdout).unwrap().trim();                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
+
+    let timezone_layout_cli = Command::new("timedatectl")
+        .arg("list-timezones")
+        .stdin(Stdio::piped())
+        .stdout(Stdio::piped())
+        .spawn()
+        .unwrap_or_else(|e| panic!("failed {}", e));
+
+    let timezone_layout_stdout = timezone_layout_cli.stdout.expect("could not get stdout");
+    let timezone_layout_reader = BufReader::new(timezone_layout_stdout);
+
+    for timezone_layout in timezone_layout_reader.lines() {
+        let timezone_layout = timezone_layout.unwrap();
+        let timezone_layout_clone = timezone_layout.clone();
+        let timezone_layout_checkbutton = gtk::CheckButton::builder()
+            .label(timezone_layout.clone())
+            .build();
+        timezone_layout_checkbutton.set_group(Some(&null_checkbutton));
+        timezone_selection_expander_row_viewport_box.append(&timezone_layout_checkbutton); 
+        timezone_layout_checkbutton.connect_toggled(clone!(@weak timezone_layout_checkbutton, @weak timezone_selection_expander_row, @weak bottom_next_button => move |_| {
+            if timezone_layout_checkbutton.is_active() == true {
+                timezone_selection_expander_row.set_title(&timezone_layout);
+                bottom_next_button.set_sensitive(true);
+            }
+        }));
+        if current_timezone.contains(&(timezone_layout_clone)) {
+            timezone_layout_checkbutton.set_active(true);
+        }
+    }
+
+    // / timezone_selection_box appends
+    //// add text and and entry to timezone page selections
+    timezone_selection_box.append(&timezone_selection_text);
+    timezone_selection_box.append(&timezone_selection_expander_row_viewport_listbox);
+    
+    // / timezone_header_box appends
+    //// Add the timezone page header text and icon
+    timezone_header_box.append(&timezone_header_text);
+    timezone_header_box.append(&timezone_header_icon);
+    
+    // / timezone_main_box appends
+    //// Add the timezone header to timezone main box
+    timezone_main_box.append(&timezone_header_box);
+    //// Add the timezone selection/page content box to timezone main box
+    timezone_main_box.append(&timezone_selection_box);
+
+    timezone_main_box.append(&bottom_box);
+    
+    // / Content stack appends
+    //// Add the timezone_main_box as page: timezone_page, Give it nice title
+    content_stack.add_titled(&timezone_main_box, Some("timezone_page"), "Time Zone");
+
+    bottom_next_button.connect_clicked(clone!(@weak content_stack => move |_| {
+        content_stack.set_visible_child_name("keyboard_page")
+    }));
+    bottom_back_button.connect_clicked(clone!(@weak content_stack => move |_| {
+        content_stack.set_visible_child_name("eula_page")
+    }));
+
+}