Merge pull request #3926 from casKd-dev/dwl/hide-title

dwl/window: allow hiding of title when either inactive or empty

src/modules/dwl/window.cpp

@@ -19,7 +19,7 @@ static void toggle_visibility(void* data, zdwl_ipc_output_v2* zdwl_output_v2) {
 }
 
 static void active(void* data, zdwl_ipc_output_v2* zdwl_output_v2, uint32_t active) {
-  // Intentionally empty
+  static_cast<Window*>(data)->handle_active(active);
 }
 
 static void set_tag(void* data, zdwl_ipc_output_v2* zdwl_output_v2, uint32_t tag, uint32_t state,
@@ -74,7 +74,17 @@ static const wl_registry_listener registry_listener_impl = {.global = handle_glo
                                                             .global_remove = handle_global_remove};
 
 Window::Window(const std::string& id, const Bar& bar, const Json::Value& config)
-    : AAppIconLabel(config, "window", id, "{}", 0, true), bar_(bar) {
+    : AAppIconLabel(config, "window", id, "{}", 0, true),
+      bar_(bar),
+      active_(false),
+      hide_inactive_(false),
+      hide_empty_(false) {
+  if (config_["hide-inactive"].isBool()) {
+    hide_inactive_ = config["hide-inactive"].asBool();
+  }
+  if (config_["hide-empty"].isBool()) {
+    hide_empty_ = config["hide-empty"].asBool();
+  }
   struct wl_display* display = Client::inst()->wl_display;
   struct wl_registry* registry = wl_display_get_registry(display);
 
@@ -102,6 +112,8 @@ void Window::handle_title(const char* title) { title_ = Glib::Markup::escape_tex
 
 void Window::handle_appid(const char* appid) { appid_ = Glib::Markup::escape_text(appid); }
 
+void Window::handle_active(const uint32_t active) { active_ = active != 0; }
+
 void Window::handle_layout_symbol(const char* layout_symbol) {
   layout_symbol_ = Glib::Markup::escape_text(layout_symbol);
 }
@@ -118,6 +130,19 @@ void Window::handle_frame() {
   if (tooltipEnabled()) {
     label_.set_tooltip_markup(title_);
   }
+  if (hide_empty_ && title_.empty()) {
+    box_.set_visible(false);
+  } else {
+    if (active_) {
+      box_.get_style_context()->add_class("active");
+      box_.set_visible(true);
+    } else {
+      box_.get_style_context()->remove_class("active");
+      if (hide_inactive_) {
+        box_.set_visible(false);
+      }
+    }
+  }
 }
 
 }  // namespace waybar::modules::dwl