bugfix: fullscreen windows were some times broken (#308)

src/leaf_container.cpp

@@ -140,7 +140,6 @@ void LeafContainer::handle_ready()
 {
     tree->handle_container_ready(*this);
     get_workspace()->handle_ready_hack(*this);
-    auto const& info = window_controller.info_for(window_);
     if (window_controller.is_fullscreen(window_))
         toggle_fullscreen();
 }

src/main.cpp

@@ -68,7 +68,7 @@ int main(int argc, char const* argv[])
     MirRunner runner { argc, argv };
     miracle::CompositorState compositor_state;
 
-    std::function<void()> shutdown_hook { [] {} };
+    std::function<void()> shutdown_hook { [] { } };
     runner.add_stop_callback([&]
     { shutdown_hook(); });
 

src/policy.cpp

@@ -1384,5 +1384,5 @@ bool Policy::can_set_layout() const
     if (!state.active())
         return false;
 
-    return true;
+    return !state.active()->is_fullscreen();
 }

src/tiling_window_tree.cpp

@@ -106,12 +106,6 @@ void TilingWindowTree::graft(std::shared_ptr<LeafContainer> const& leaf)
 
 bool TilingWindowTree::resize_container(miracle::Direction direction, Container& container)
 {
-    if (is_active_window_fullscreen)
-    {
-        mir::log_warning("Unable to resize the next window: fullscreened");
-        return false;
-    }
-
     handle_resize(container, direction, config->get_resize_jump());
     return true;
 }
@@ -119,12 +113,6 @@ bool TilingWindowTree::resize_container(miracle::Direction direction, Container&
 bool TilingWindowTree::select_next(
     miracle::Direction direction, Container& container)
 {
-    if (is_active_window_fullscreen)
-    {
-        mir::log_warning("Unable to select the next window: fullscreened");
-        return false;
-    }
-
     auto node = handle_select(container, direction);
     if (!node)
     {
@@ -138,10 +126,10 @@ bool TilingWindowTree::select_next(
 
 bool TilingWindowTree::toggle_fullscreen(LeafContainer& container)
 {
-    if (is_active_window_fullscreen)
-        advise_restored_container(container);
-    else
+    if (container.is_fullscreen())
         advise_fullscreen_container(container);
+    else
+        advise_restored_container(container);
     return true;
 }
 
@@ -156,27 +144,8 @@ geom::Rectangle TilingWindowTree::get_area() const
     return root_lane->get_logical_area();
 }
 
-std::shared_ptr<LeafContainer> TilingWindowTree::select_window_from_point(int x, int y)
-{
-    if (is_active_window_fullscreen)
-        return active_container();
-
-    auto node = root_lane->find_where([&](std::shared_ptr<Container> const& node)
-    {
-        return node->is_leaf() && node->get_logical_area().contains(geom::Point(x, y));
-    });
-
-    return Container::as_leaf(node);
-}
-
 bool TilingWindowTree::move_container(miracle::Direction direction, Container& container)
 {
-    if (is_active_window_fullscreen)
-    {
-        mir::log_warning("Unable to move active window: fullscreen");
-        return false;
-    }
-
     auto traversal_result = handle_move(container, direction);
     switch (traversal_result.traversal_type)
     {
@@ -286,12 +255,6 @@ void TilingWindowTree::toggle_layout(Container& container, bool cycle_thru_all)
 
 void TilingWindowTree::handle_layout_scheme(LayoutScheme scheme, Container& container)
 {
-    if (is_active_window_fullscreen)
-    {
-        mir::log_warning("Unable to handle direction request: fullscreen");
-        return;
-    }
-
     auto parent = container.get_parent().lock();
     if (!parent)
     {
@@ -312,7 +275,7 @@ void TilingWindowTree::handle_layout_scheme(LayoutScheme scheme, Container& cont
 
 void TilingWindowTree::advise_focus_gained(LeafContainer& container)
 {
-    if (is_active_window_fullscreen)
+    if (container.is_fullscreen())
         window_controller.raise(container.window().value());
     else if (auto const& parent = container.get_parent().lock())
         parent->on_focus_gained();
@@ -320,13 +283,6 @@ void TilingWindowTree::advise_focus_gained(LeafContainer& container)
 
 void TilingWindowTree::advise_delete_window(std::shared_ptr<Container> const& container)
 {
-    auto active = active_container();
-    if (active == container)
-    {
-        if (is_active_window_fullscreen)
-            is_active_window_fullscreen = false;
-    }
-
     auto parent = handle_remove(container);
     parent->commit_changes();
 }
@@ -650,16 +606,14 @@ bool TilingWindowTree::advise_fullscreen_container(LeafContainer& container)
     auto window = container.window().value();
     window_controller.select_active_window(window);
     window_controller.raise(window);
-    is_active_window_fullscreen = true;
     return true;
 }
 
 bool TilingWindowTree::advise_restored_container(LeafContainer& container)
 {
-    auto active = active_container();
-    if (active && active->window() == container.window().value() && is_active_window_fullscreen)
+    auto active = state.active();
+    if (active && active->window() == container.window().value())
     {
-        is_active_window_fullscreen = false;
         container.set_logical_area(container.get_logical_area());
         container.commit_changes();
     }
@@ -670,7 +624,7 @@ bool TilingWindowTree::advise_restored_container(LeafContainer& container)
 bool TilingWindowTree::handle_container_ready(LeafContainer& container)
 {
     constrain(container);
-    if (is_active_window_fullscreen)
+    if (state.active() && state.active()->is_fullscreen())
         return true;
 
     auto window = container.window().value();
@@ -796,8 +750,3 @@ Workspace* TilingWindowTree::get_workspace() const
 {
     return tree_interface->get_workspace();
 }
-
-std::shared_ptr<LeafContainer> TilingWindowTree::active_container() const
-{
-    return Container::as_leaf(state.active());
-}

src/tiling_window_tree.h

@@ -83,8 +83,6 @@ public:
     /// Toggle the active window between fullscreen and not fullscreen
     bool toggle_fullscreen(LeafContainer&);
 
-    bool has_fullscreen_window() const { return is_active_window_fullscreen; }
-
     void request_layout(Container&, LayoutScheme);
 
     /// Request a change to vertical window placement
@@ -113,8 +111,6 @@ public:
 
     geom::Rectangle get_area() const;
 
-    std::shared_ptr<LeafContainer> select_window_from_point(int x, int y);
-
     bool advise_fullscreen_container(LeafContainer&);
     bool advise_restored_container(LeafContainer&);
     bool handle_container_ready(LeafContainer&);
@@ -159,7 +155,6 @@ private:
     std::shared_ptr<ParentContainer> root_lane;
     std::unique_ptr<TilingWindowTreeInterface> tree_interface;
 
-    bool is_active_window_fullscreen = false;
     bool is_hidden = false;
     int config_handle = 0;
 
@@ -187,8 +182,6 @@ private:
     /// Selects the next node in the provided direction
     /// @returns The next selectable window or nullptr if none is found
     static std::shared_ptr<LeafContainer> handle_select(Container& from, Direction direction);
-
-    std::shared_ptr<LeafContainer> active_container() const;
 };
 
 }

src/workspace.cpp

@@ -177,7 +177,7 @@ void Workspace::handle_ready_hack(LeafContainer& container)
     for (auto const& window : floating_windows)
         window_controller.raise(window->window().value());
 
-    if (tree->has_fullscreen_window())
+    if (state.active() && state.active()->is_fullscreen())
         window_controller.raise(state.active()->window().value());
 }
 

tests/test_animator.cpp

@@ -45,8 +45,8 @@ class ImmediateServerActionQueue : public mir::ServerActionQueue
         action();
     }
 
-    void pause_processing_for(void const* owner) override {};
-    void resume_processing_for(void const* owner) override {};
+    void pause_processing_for(void const* owner) override { };
+    void resume_processing_for(void const* owner) override { };
 };
 
 class AnimatorTest : public testing::Test
@@ -154,6 +154,6 @@ TEST_F(AnimationTest, InterruptingSlideResultsInModifiedAnimationDuration)
         mir::geometry::Rectangle(
             mir::geometry::Point(200, 200),
             mir::geometry::Size(0, 0)),
-        [](auto const& asr) {});
+        [](auto const& asr) { });
     ASSERT_NEAR(animation.get_runtime_seconds(), 2, 0.05);
 }