made some progress

modules/home/desktop/plasma/panels.nix

@@ -0,0 +1,122 @@
+{ config, lib, namespace, osConfig ? {}, ... }:
+let
+  cfg = config.${namespace}.desktop.plasma;
+  osCfg = osConfig.${namespace}.desktop.plasma or { enable = false; };
+in
+{
+  options.${namespace}.desktop.plasma = {
+
+  };
+
+  config = mkIf osCfg.enable {
+    programs.plasma.panels = [
+      {
+        location = "bottom";
+        floating = true;
+        lengthMode = "fill";
+        height = 42;
+        hiding = "none";
+        screen = "all";
+        widgets = [
+          {
+            panelSpacer = {
+              expanding = true;
+            };
+          }
+          {
+            kickoff = {
+              applicationsDisplayMode = "list";
+              compactDisplayStyle = false;
+              favoritesDisplayMode = "grid";
+              sortAlphabetically = true;
+              showButtonsFor = {
+                custom = [
+                  "shutdown"
+                  "reboot"
+                  "logout"
+                  "lock-screen"
+                ];
+              };
+              showActionButtonCaptions = true;
+            };
+          }
+          {
+            iconTasks = {
+              appearance = {
+                fill = false;
+                highlightWindows = true;
+                iconSpacing = "medium";
+                indicateAudioStreams = true;
+                rows = {
+                    multirowView = "never";
+                    maximum = null;
+                };
+                showTooltips = true;
+              };
+              behavior = {
+                grouping = {
+                  clickAction = "showPresentWindowsEffect";
+                  method = "byProgramName";
+                };
+                minimizeActiveTaskOnClick = true;
+                newTasksAppearOn = "right";
+                showTasks = {
+                    onlyInCurrentActivity = true;
+                    onlyInCurrentDesktop = true;
+                    onlyMinimized = false;
+                    onlyInCurrentScreen = false;
+                };
+                sortingMethod = "manually";
+                unhideOnAttentionNeeded = true;
+                wheel = {
+                    ignoreMinimizedTasks = true;
+                    switchBetweenTasks = true;
+                };
+              };
+              launchers = [
+                "preferred://filemanager"
+                "preferred://browser"
+                "preferred://terminalemulator"
+                "preferred://email"
+                "applications:vesktop.desktop"
+                "applications:steam.desktop"
+              ];
+            };
+          }
+          {
+            panelSpacer = {
+              expanding = true;
+            };
+          }
+          {
+            systemTray = {
+              icons = {
+                scaleToFit = true;
+                spacing = "small";
+              };
+              items = {
+                hidden = [
+                  "org.kde.plasma.brightness"
+                ];
+              };
+              pin = false;
+            };
+          }
+          {
+            digitalClock = {
+              date = {
+                enable = true;
+                format = "shortDate";
+                position = "belowTime";
+              };
+              time = {
+                format = "24h";
+                showSeconds = "onlyInTooltip";
+              };
+            };
+          }
+        ];
+      }
+    ];
+  };
+}