feat(workspace-tray): add workspace tray bar widget with dropdown panel

assets/translations/en.json

@@ -1104,7 +1104,8 @@
         "wallpaper": "Wallpaper",
         "weather": "Weather",
         "widget-list": "Widget List",
-        "widgets": "Widgets"
+        "widgets": "Widgets",
+        "workspace-tray": "Workspace Tray"
       },
       "sections": {
         "appearance": "Appearance",
@@ -2094,6 +2095,10 @@
           "description": "Position the session menu panel near the bar click instead of centering it along the bar",
           "label": "Open Near Click"
         },
+        "open-near-click-workspace-tray": {
+          "description": "Position the workspace tray panel near the bar click instead of centering it along the bar",
+          "label": "Open Near Click"
+        },
         "open-near-click-wallpaper": {
           "description": "Position the wallpaper picker panel near the bar click instead of centering it along the bar",
           "label": "Open Near Click"
@@ -2118,6 +2123,10 @@
           "description": "Choose whether the session menu attaches to the bar or floats at a chosen screen position",
           "label": "Placement"
         },
+        "placement-workspace-tray": {
+          "description": "Choose whether the workspace tray attaches to the bar, floats near it, or opens centered",
+          "label": "Placement"
+        },
         "placement-wallpaper": {
           "description": "Choose whether the wallpaper picker attaches to the bar or floats at a chosen screen position",
           "label": "Placement"
@@ -2924,7 +2933,8 @@
           "description": "Only highlight the active workspace on the focused monitor",
           "label": "Highlight Focused Monitor Only",
           "taskbar-description": "Only use the focused color for the active workspace on the monitor that has keyboard or pointer focus; other monitors use the occupied color",
-          "workspaces-description": "Only highlight the active workspace on the monitor that has keyboard or pointer focus; other monitors show their active workspace as occupied instead"
+          "workspaces-description": "Only highlight the active workspace on the monitor that has keyboard or pointer focus; other monitors show their active workspace as occupied instead",
+          "workspace-tray-description": "Only use the focused color on the monitor that has keyboard or pointer focus; other monitors use the occupied color"
         },
         "font-family": {
           "description": "Typeface for this widget; leave empty to inherit the bar font",
@@ -2975,7 +2985,8 @@
         "hide-when-empty": {
           "description": "Hide workspace pills when there are no open windows",
           "label": "Hide When Empty",
-          "workspaces-description": "Hide workspace pills that have no open windows"
+          "workspaces-description": "Hide workspace pills that have no open windows",
+          "workspace-tray-description": "Hide the widget when all workspaces on this monitor are empty"
         },
         "hide-when-full": {
           "description": "Hide the battery widget when fully charged",
@@ -3066,7 +3077,8 @@
         "max-label-chars": {
           "description": "Maximum number of characters to show for workspace names",
           "label": "Max Label Characters",
-          "workspaces-description": "Maximum characters for workspace name labels"
+          "workspaces-description": "Maximum characters for workspace name labels",
+          "workspace-tray-description": "Maximum characters for the workspace name shown on the bar pill"
         },
         "max-length": {
           "description": "Maximum widget length in pixels",
@@ -3117,6 +3129,14 @@
           "description": "Hide windows on inactive workspaces.",
           "label": "Only Active Workspace"
         },
+        "new-workspace-command": {
+          "description": "Shell command run when the new workspace button is clicked",
+          "label": "New Workspace Command"
+        },
+        "new-workspace-glyph": {
+          "description": "Icon shown on the new workspace button",
+          "label": "New Workspace Icon"
+        },
         "path": {
           "description": "Path used by disk statistics",
           "label": "Path"
@@ -3178,6 +3198,10 @@
           "description": "Show weather condition text",
           "label": "Show Condition"
         },
+        "show-chevron": {
+          "description": "Show a dropdown arrow next to the workspace label",
+          "label": "Show Chevron"
+        },
         "show-empty-label": {
           "description": "Show placeholder text when no window is focused instead of hiding the widget",
           "label": "Show Empty Label"
@@ -3194,6 +3218,10 @@
           "description": "Show Num Lock state",
           "label": "Show Num Lock"
         },
+        "show-new-workspace": {
+          "description": "Show a button at the bottom of the workspace list to create a new workspace",
+          "label": "Show New Workspace Button"
+        },
         "show-scroll-lock": {
           "description": "Show Scroll Lock state",
           "label": "Show Scroll Lock"
@@ -3296,7 +3324,8 @@
         "volume": "Volume",
         "wallpaper": "Wallpaper",
         "weather": "Weather",
-        "workspaces": "Workspaces"
+        "workspaces": "Workspaces",
+        "workspace-tray": "Workspace Tray"
       }
     },
     "window": {

meson.build

@@ -716,6 +716,8 @@ _noctalia_sources = files(
   'src/shell/bar/widgets/wallpaper_widget.cpp',
   'src/shell/bar/widgets/weather_widget.cpp',
   'src/shell/bar/widgets/workspaces_widget.cpp',
+  'src/shell/bar/widgets/workspace_tray_widget.cpp',
+  'src/shell/workspace_tray/workspace_tray_panel.cpp',
   'src/system/dependency_service.cpp',
   'src/system/desktop_entry.cpp',
   'src/system/desktop_entry_launch.cpp',

src/app/application_ui.cpp

@@ -76,6 +76,7 @@
 #include "shell/tray/tray_drawer_panel.h"
 #include "shell/wallpaper/panel/wallpaper_panel.h"
 #include "shell/wallpaper/wallpaper_paths.h"
+#include "shell/workspace_tray/workspace_tray_panel.h"
 #include "system/brightness_poll_source.h"
 #include "system/brightness_service.h"
 #include "system/distro_info.h"
@@ -632,6 +633,9 @@ void Application::initPanelManagerAndPanels() {
                                  return m_polkitAgent.get();
                                }));
   m_panelManager.registerPanel("setup-wizard", std::make_unique<SetupWizardPanel>(&m_configService, &m_wayland));
+  m_panelManager.registerPanel(
+      "workspace-tray", std::make_unique<WorkspaceTrayPanel>(&m_compositorPlatform, &m_configService)
+  );
 
   if (SetupWizardPanel::isFirstRun(m_configService)) {
     DeferredCall::callLater([]() { PanelManager::instance().togglePanel("setup-wizard"); });

src/config/config_types.h

@@ -850,6 +850,7 @@ struct ShellConfig {
     PanelPlacement wallpaperPlacement = PanelPlacement::Attached;
     PanelPlacement sessionPlacement = PanelPlacement::Attached;
     PanelPlacement polkitPlacement = PanelPlacement::Floating;
+    PanelPlacement workspaceTrayPlacement = PanelPlacement::Attached;
     // Floating screen position per panel (one of kPanelPositions). "auto" = bar-relative.
     // Launcher/clipboard default to "center" (the historical centered placement).
     std::string launcherPosition = "center";
@@ -858,12 +859,14 @@ struct ShellConfig {
     std::string wallpaperPosition = "auto";
     std::string sessionPosition = "auto";
     std::string polkitPosition = "center";
+    std::string workspaceTrayPosition = "auto";
     std::int32_t floatingOffset = 8; // logical px gap between a floating/detached panel and the bar edge
     bool openNearClickControlCenter = false;
     bool openNearClickLauncher = false;
     bool openNearClickClipboard = false;
     bool openNearClickWallpaper = false;
     bool openNearClickSession = false;
+    bool openNearClickWorkspaceTray = false;
 
     bool operator==(const PanelConfig&) const = default;
   };

src/config/schema/config_schema.cpp

@@ -1194,18 +1194,21 @@ namespace noctalia::config::schema {
           enumField(&ShellConfig::PanelConfig::wallpaperPlacement, "wallpaper_placement", kPanelPlacements),
           enumField(&ShellConfig::PanelConfig::sessionPlacement, "session_placement", kPanelPlacements),
           enumField(&ShellConfig::PanelConfig::polkitPlacement, "polkit_placement", kPanelPlacements),
+          enumField(&ShellConfig::PanelConfig::workspaceTrayPlacement, "workspace_tray_placement", kPanelPlacements),
           field(&ShellConfig::PanelConfig::launcherPosition, "launcher_position"),
           field(&ShellConfig::PanelConfig::clipboardPosition, "clipboard_position"),
           field(&ShellConfig::PanelConfig::controlCenterPosition, "control_center_position"),
           field(&ShellConfig::PanelConfig::wallpaperPosition, "wallpaper_position"),
           field(&ShellConfig::PanelConfig::sessionPosition, "session_position"),
           field(&ShellConfig::PanelConfig::polkitPosition, "polkit_position"),
+          field(&ShellConfig::PanelConfig::workspaceTrayPosition, "workspace_tray_position"),
           field(&ShellConfig::PanelConfig::floatingOffset, "floating_offset", Range<std::int64_t>{0, 100}),
           field(&ShellConfig::PanelConfig::openNearClickControlCenter, "open_near_click_control_center"),
           field(&ShellConfig::PanelConfig::openNearClickLauncher, "open_near_click_launcher"),
           field(&ShellConfig::PanelConfig::openNearClickClipboard, "open_near_click_clipboard"),
           field(&ShellConfig::PanelConfig::openNearClickWallpaper, "open_near_click_wallpaper"),
           field(&ShellConfig::PanelConfig::openNearClickSession, "open_near_click_session"),
+          field(&ShellConfig::PanelConfig::openNearClickWorkspaceTray, "open_near_click_workspace_tray"),
       };
       return s;
     }

src/shell/bar/widget_factory.cpp

@@ -42,6 +42,7 @@
 #include "shell/bar/widgets/volume_widget.h"
 #include "shell/bar/widgets/wallpaper_widget.h"
 #include "shell/bar/widgets/weather_widget.h"
+#include "shell/bar/widgets/workspace_tray_widget.h"
 #include "shell/bar/widgets/workspaces_widget.h"
 #include "system/format_units.h"
 #include "ui/style.h"
@@ -679,6 +680,35 @@ std::unique_ptr<Widget> WidgetFactory::create(
     return widget;
   }
 
+  if (type == "workspace_tray") {
+    const std::string display = wc != nullptr ? wc->getString("display", "id") : std::string("id");
+    const ColorSpec focusedColor = wc != nullptr
+        ? wc->getColorSpec("focused_color", colorSpecFromRole(ColorRole::Primary), "widget." + name + ".focused_color")
+        : colorSpecFromRole(ColorRole::Primary);
+    const ColorSpec occupiedColor = wc != nullptr
+        ? wc->getColorSpec(
+              "occupied_color", colorSpecFromRole(ColorRole::Secondary), "widget." + name + ".occupied_color"
+          )
+        : colorSpecFromRole(ColorRole::Secondary);
+    WorkspaceTrayWidget::DisplayMode displayMode = WorkspaceTrayWidget::DisplayMode::Id;
+    if (display == "name") {
+      displayMode = WorkspaceTrayWidget::DisplayMode::Name;
+    }
+    std::size_t maxLabelChars = 3;
+    if (wc != nullptr && wc->hasSetting("max_label_chars")) {
+      maxLabelChars = static_cast<std::size_t>(wc->getInt("max_label_chars", 3));
+    }
+    const bool showChevron = wc != nullptr ? wc->getBool("show_chevron", true) : true;
+    const bool focusedOnly = wc != nullptr ? wc->getBool("focused_only", false) : false;
+    const bool hideWhenEmpty = wc != nullptr ? wc->getBool("hide_when_empty", false) : false;
+    auto widget = std::make_unique<WorkspaceTrayWidget>(
+        m_platform, output, displayMode, maxLabelChars, focusedColor, occupiedColor, showChevron, focusedOnly,
+        hideWhenEmpty
+    );
+    widget->setContentScale(contentScale);
+    return widget;
+  }
+
 #ifndef NDEBUG
   if (type == "debug_indicator") {
     auto widget = std::make_unique<DebugIndicatorWidget>();