WindowServer: Notify WM clients when a window's modified state changes

Also update the window switcher for good measure. The window switcher
doesn't visualize this information at the moment, but we generally do
this when any window state changes.

3 files changed, 10 insertions, 0 deletions

diff --git a/Userland/Services/WindowServer/Window.cpp b/Userland/Services/WindowServer/Window.cpp
index b5182a47b1..5e7946ebe8 100644
--- a/Userland/Services/WindowServer/Window.cpp
+++ b/Userland/Services/WindowServer/Window.cpp
@@ -997,6 +997,7 @@ void Window::set_modified(bool modified)
         return;
 
     m_modified = modified;
+    WindowManager::the().notify_modified_changed(*this);
     frame().set_button_icons();
     frame().invalidate_titlebar();
 }
diff --git a/Userland/Services/WindowServer/WindowManager.cpp b/Userland/Services/WindowServer/WindowManager.cpp
index 668ebc5675..dd729f132e 100644
--- a/Userland/Services/WindowServer/WindowManager.cpp
+++ b/Userland/Services/WindowServer/WindowManager.cpp
@@ -375,6 +375,14 @@ static bool window_type_has_title(WindowType type)
     return type == WindowType::Normal || type == WindowType::ToolWindow;
 }
 
+void WindowManager::notify_modified_changed(Window& window)
+{
+    if (m_switcher.is_visible())
+        m_switcher.refresh();
+
+    tell_wms_window_state_changed(window);
+}
+
 void WindowManager::notify_title_changed(Window& window)
 {
     if (!window_type_has_title(window.type()))
diff --git a/Userland/Services/WindowServer/WindowManager.h b/Userland/Services/WindowServer/WindowManager.h
index 5adc22e358..58d5ca5ce0 100644
--- a/Userland/Services/WindowServer/WindowManager.h
+++ b/Userland/Services/WindowServer/WindowManager.h
@@ -78,6 +78,7 @@ public:
     void notify_opacity_changed(Window&);
     void notify_occlusion_state_changed(Window&);
     void notify_progress_changed(Window&);
+    void notify_modified_changed(Window&);
 
     Gfx::IntRect maximized_window_rect(const Window&) const;