Make "New Workspace" button add workspace

src/main.rs

@@ -36,7 +36,8 @@ use cosmic::{
     },
     iced_sctk::commands::layer_surface::{destroy_layer_surface, get_layer_surface},
 };
-use cosmic_config::ConfigGet;
+use cosmic_comp_config::workspace::WorkspaceAmount;
+use cosmic_config::{ConfigGet, ConfigSet};
 use once_cell::sync::Lazy;
 use std::{
     collections::{HashMap, HashSet},
@@ -115,6 +116,7 @@ enum Msg {
     DndWorkspaceDrop,
     DndWorkspaceData(String, Vec<u8>),
     SourceFinished,
+    NewWorkspace,
 }
 
 #[derive(Debug)]
@@ -161,7 +163,7 @@ enum DragSurface {
 }
 
 struct Conf {
-    _cosmic_comp_config: cosmic_config::Config,
+    cosmic_comp_config: cosmic_config::Config,
     workspace_config: cosmic_comp_config::workspace::WorkspaceConfig,
 }
 
@@ -173,7 +175,7 @@ impl Default for Conf {
             cosmic_comp_config::workspace::WorkspaceConfig::default()
         });
         Self {
-            _cosmic_comp_config: cosmic_comp_config,
+            cosmic_comp_config,
             workspace_config,
         }
     }
@@ -565,6 +567,15 @@ impl Application for App {
                     }
                 }
             }
+            Msg::NewWorkspace => {
+                if let WorkspaceAmount::Static(n) = &mut self.conf.workspace_config.workspace_amount
+                {
+                    *n += 1;
+                    self.conf
+                        .cosmic_comp_config
+                        .set("workspaces", &self.conf.workspace_config);
+                }
+            }
         }
 
         Command::none()

src/view/mod.rs

@@ -120,8 +120,11 @@ fn workspaces_sidebar<'a>(
         .map(|w| workspace_sidebar_entry(w, output))
         .collect();
     if amount != WorkspaceAmount::Dynamic {
-        // TODO implement
-        sidebar_entries.push(widget::button(widget::text("New Workspace")).into());
+        sidebar_entries.push(
+            widget::button(widget::text("New Workspace"))
+                .on_press(Msg::NewWorkspace)
+                .into(),
+        );
     }
     let sidebar_entries_container: cosmic::Element<'_, _> = match layout {
         WorkspaceLayout::Vertical => column(sidebar_entries).into(),