api: split view into view and toplevel-view

Fixes #1309

plugins/animate/animate.cpp

@@ -142,7 +142,7 @@ struct animation_hook : public animation_hook_base
         /* We don't want to change the state of the view if it was detached */
         if ((type == ANIMATION_TYPE_MINIMIZE) && !detached)
         {
-            view->set_minimized(true);
+            toplevel_cast(view)->set_minimized(true);
         }
 
         view->erase_data(name);

plugins/animate/basic_animations.hpp

@@ -1,4 +1,5 @@
 #include "animate.hpp"
+#include "wayfire/toplevel-view.hpp"
 #include <memory>
 #include <wayfire/plugin.hpp>
 #include <wayfire/opengl.hpp>
@@ -96,13 +97,15 @@ class zoom_animation : public animation_base
 
         if (type & MINIMIZE_STATE_ANIMATION)
         {
-            auto hint = view->get_minimize_hint();
+            auto toplevel = wf::toplevel_cast(view);
+            wf::dassert(toplevel != nullptr, "We cannot minimize non-toplevel views!");
+            auto hint = toplevel->get_minimize_hint();
             if ((hint.width > 0) && (hint.height > 0))
             {
                 int hint_cx = hint.x + hint.width / 2;
                 int hint_cy = hint.y + hint.height / 2;
 
-                auto bbox   = view->get_wm_geometry();
+                auto bbox   = toplevel->get_wm_geometry();
                 int view_cx = bbox.x + bbox.width / 2;
                 int view_cy = bbox.y + bbox.height / 2;
 

plugins/common/wayfire/plugins/common/move-drag-interface.hpp

@@ -94,7 +94,7 @@ struct drag_done_signal
     struct view_t
     {
         /** Dragged view. */
-        wayfire_view view;
+        wayfire_toplevel_view view;
 
         /**
          * The position relative to the view where the grab was.
@@ -107,7 +107,7 @@ struct drag_done_signal
     std::vector<view_t> all_views;
 
     /** The main view which was dragged. */
-    wayfire_view main_view;
+    wayfire_toplevel_view main_view;
 
     /**
      * The position of the input when the view was dropped.
@@ -256,7 +256,7 @@ static const std::string move_drag_transformer = "move-drag-transformer";
 struct dragged_view_t
 {
     // The view being dragged
-    wayfire_view view;
+    wayfire_toplevel_view view;
 
     // Its transformer
     std::shared_ptr<scale_around_grab_t> transformer;
@@ -267,7 +267,7 @@ struct dragged_view_t
     wf::geometry_t last_bbox;
 };
 
-inline wayfire_view get_toplevel(wayfire_view view)
+inline wayfire_toplevel_view get_toplevel(wayfire_toplevel_view view)
 {
     while (view->parent)
     {
@@ -277,10 +277,10 @@ inline wayfire_view get_toplevel(wayfire_view view)
     return view;
 }
 
-inline std::vector<wayfire_view> get_target_views(wayfire_view grabbed,
+inline std::vector<wayfire_toplevel_view> get_target_views(wayfire_toplevel_view grabbed,
     bool join_views)
 {
-    std::vector<wayfire_view> r = {grabbed};
+    std::vector<wayfire_toplevel_view> r = {grabbed};
     if (join_views)
     {
         r = grabbed->enumerate_views();
@@ -419,7 +419,7 @@ class core_drag_t : public signal::provider_t
      * Rebuild the wobbly model after a change in the scaling, so that the wobbly
      * model does not try to animate the scaling change itself.
      */
-    void rebuild_wobbly(wayfire_view view, wf::point_t grab, wf::pointf_t relative)
+    void rebuild_wobbly(wayfire_toplevel_view view, wf::point_t grab, wf::pointf_t relative)
     {
         auto dim = wf::dimensions(wf::view_bounding_box_up_to(view, "wobbly"));
         modify_wobbly(view, find_geometry_around(dim, grab, relative));
@@ -433,7 +433,7 @@ class core_drag_t : public signal::provider_t
      * @param grab_position The position of the input, in output-layout coordinates.
      * @param relative The position of the grab_position relative to view.
      */
-    void start_drag(wayfire_view grab_view, wf::point_t grab_position,
+    void start_drag(wayfire_toplevel_view grab_view, wf::point_t grab_position,
         wf::pointf_t relative,
         const drag_options_t& options)
     {
@@ -501,8 +501,7 @@ class core_drag_t : public signal::provider_t
         }
     }
 
-    void start_drag(wayfire_view view, wf::point_t grab_position,
-        const drag_options_t& options)
+    void start_drag(wayfire_toplevel_view view, wf::point_t grab_position, const drag_options_t& options)
     {
         if (options.join_views)
         {
@@ -511,8 +510,7 @@ class core_drag_t : public signal::provider_t
 
         auto bbox = view->get_transformed_node()->get_bounding_box() +
             wf::origin(view->get_output()->get_layout_geometry());
-        start_drag(view, grab_position,
-            find_relative_grab(bbox, grab_position), options);
+        start_drag(view, grab_position, find_relative_grab(bbox, grab_position), options);
     }
 
     void handle_motion(wf::point_t to)
@@ -631,7 +629,7 @@ class core_drag_t : public signal::provider_t
     }
 
     // View currently being moved.
-    wayfire_view view;
+    wayfire_toplevel_view view;
 
     // Output where the action is happening.
     wf::output_t *current_output = NULL;
@@ -779,7 +777,7 @@ inline void adjust_view_on_output(drag_done_signal *ev)
 /**
  * Adjust the view's state after snap-off.
  */
-inline void adjust_view_on_snap_off(wayfire_view view)
+inline void adjust_view_on_snap_off(wayfire_toplevel_view view)
 {
     if (view->tiled_edges && !view->fullscreen)
     {

plugins/decor/deco-subsurface.cpp

@@ -17,6 +17,7 @@
 #include <wayfire/decorator.hpp>
 #include <wayfire/view-transform.hpp>
 #include <wayfire/signal-definitions.hpp>
+#include <wayfire/toplevel-view.hpp>
 #include "deco-subsurface.hpp"
 #include "deco-layout.hpp"
 #include "deco-theme.hpp"
@@ -28,7 +29,7 @@
 class simple_decoration_node_t : public wf::scene::node_t, public wf::pointer_interaction_t,
     public wf::touch_interaction_t
 {
-    wayfire_view view;
+    wayfire_toplevel_view view;
     wf::signal::connection_t<wf::view_title_changed_signal> title_set =
         [=] (wf::view_title_changed_signal *ev)
     {
@@ -68,7 +69,7 @@ class simple_decoration_node_t : public wf::scene::node_t, public wf::pointer_in
     int current_thickness;
     int current_titlebar;
 
-    simple_decoration_node_t(wayfire_view view) :
+    simple_decoration_node_t(wayfire_toplevel_view view) :
         node_t(false),
         theme{},
         layout{theme, [=] (wlr_box box) { wf::scene::damage_node(shared_from_this(), box + get_offset()); }}
@@ -314,7 +315,7 @@ class simple_decoration_node_t : public wf::scene::node_t, public wf::pointer_in
 
 class simple_decorator_t : public wf::decorator_frame_t_t
 {
-    wayfire_view view;
+    wayfire_toplevel_view view;
     std::shared_ptr<simple_decoration_node_t> deco;
 
     wf::signal::connection_t<wf::view_activated_state_signal> on_view_activated = [&] (auto)
@@ -337,7 +338,7 @@ class simple_decorator_t : public wf::decorator_frame_t_t
     };
 
   public:
-    simple_decorator_t(wayfire_view view)
+    simple_decorator_t(wayfire_toplevel_view view)
     {
         this->view = view;
         deco = std::make_shared<simple_decoration_node_t>(view);
@@ -365,13 +366,13 @@ class simple_decorator_t : public wf::decorator_frame_t_t
     }
 };
 
-void init_view(wayfire_view view)
+void init_view(wayfire_toplevel_view view)
 {
     auto decor = std::make_unique<simple_decorator_t>(view);
     view->set_decoration(std::move(decor));
 }
 
-void deinit_view(wayfire_view view)
+void deinit_view(wayfire_toplevel_view view)
 {
     view->set_decoration(nullptr);
 }

plugins/decor/deco-subsurface.hpp

@@ -3,7 +3,7 @@
 
 #include <wayfire/view.hpp>
 
-void init_view(wayfire_view view);
-void deinit_view(wayfire_view view);
+void init_view(wayfire_toplevel_view view);
+void deinit_view(wayfire_toplevel_view view);
 
 #endif /* end of include guard: DECO_SUBSURFACE_HPP */

plugins/decor/decoration.cpp

@@ -9,6 +9,7 @@
 #include "wayfire/core.hpp"
 #include "wayfire/plugin.hpp"
 #include "wayfire/signal-provider.hpp"
+#include "wayfire/toplevel-view.hpp"
 
 class wayfire_decoration : public wf::plugin_interface_t
 {
@@ -41,7 +42,10 @@ class wayfire_decoration : public wf::plugin_interface_t
     {
         for (auto view : wf::get_core().get_all_views())
         {
-            deinit_view(view);
+            if (auto toplevel = wf::toplevel_cast(view))
+            {
+                deinit_view(toplevel);
+            }
         }
     }
 
@@ -59,12 +63,15 @@ class wayfire_decoration : public wf::plugin_interface_t
 
     void update_view_decoration(wayfire_view view)
     {
-        if (view->should_be_decorated() && !ignore_decoration_of_view(view))
+        if (auto toplevel = wf::toplevel_cast(view))
         {
-            init_view(view);
-        } else
-        {
-            deinit_view(view);
+            if (toplevel->should_be_decorated() && !ignore_decoration_of_view(view))
+            {
+                init_view(toplevel);
+            } else
+            {
+                deinit_view(toplevel);
+            }
         }
     }
 };

plugins/grid/grid.cpp

@@ -25,7 +25,7 @@ class wf_grid_slot_data : public wf::custom_data_t
     int slot;
 };
 
-nonstd::observer_ptr<wf::grid::grid_animation_t> ensure_grid_view(wayfire_view view)
+nonstd::observer_ptr<wf::grid::grid_animation_t> ensure_grid_view(wayfire_toplevel_view view)
 {
     if (!view->has_data<wf::grid::grid_animation_t>())
     {
@@ -117,14 +117,13 @@ class wayfire_grid : public wf::per_output_plugin_instance_t
             return false;
         }
 
-        auto view = output->get_active_view();
-        if (!view || (view->role != wf::VIEW_ROLE_TOPLEVEL))
+        auto view = toplevel_cast(output->get_active_view());
+        if (!view)
         {
             return false;
         }
 
         view->tile_request(0);
-
         return true;
     };
 
@@ -136,7 +135,7 @@ class wayfire_grid : public wf::per_output_plugin_instance_t
             keys[i].load_option("grid/slot_" + slots[i]);
             bindings[i] = [=] (auto)
             {
-                auto view = output->get_active_view();
+                auto view = toplevel_cast(output->get_active_view());
                 if (!view || (view->role != wf::VIEW_ROLE_TOPLEVEL))
                 {
                     return false;
@@ -163,13 +162,13 @@ class wayfire_grid : public wf::per_output_plugin_instance_t
         output->connect(&on_fullscreen_signal);
     }
 
-    bool can_adjust_view(wayfire_view view)
+    bool can_adjust_view(wayfire_toplevel_view view)
     {
         uint32_t req_actions = wf::VIEW_ALLOW_MOVE | wf::VIEW_ALLOW_RESIZE;
         return (view->get_allowed_actions() & req_actions) == req_actions;
     }
 
-    void handle_slot(wayfire_view view, int slot, wf::point_t delta = {0, 0})
+    void handle_slot(wayfire_toplevel_view view, int slot, wf::point_t delta = {0, 0})
     {
         if (!can_adjust_view(view))
         {

plugins/grid/wayfire/plugins/crossfade.hpp

@@ -10,6 +10,7 @@
 #include "wayfire/signal-provider.hpp"
 #include <memory>
 #include <wayfire/view-transform.hpp>
+#include <wayfire/toplevel-view.hpp>
 #include <wayfire/output.hpp>
 #include <wayfire/nonstd/wlroots.hpp>
 #include <wayfire/plugins/common/geometry-animation.hpp>
@@ -37,7 +38,7 @@ class crossfade_node_t : public scene::view_2d_transformer_t
     wf::geometry_t displayed_geometry;
     double overlay_alpha;
 
-    crossfade_node_t(wayfire_view view) : view_2d_transformer_t(view)
+    crossfade_node_t(wayfire_toplevel_view view) : view_2d_transformer_t(view)
     {
         displayed_geometry = view->get_wm_geometry();
         this->view = view;
@@ -173,7 +174,7 @@ class grid_animation_t : public wf::custom_data_t
      * @param type Indicates which animation method to use.
      * @param duration Indicates the duration of the animation (only for crossfade)
      */
-    grid_animation_t(wayfire_view view, type_t type,
+    grid_animation_t(wayfire_toplevel_view view, type_t type,
         wf::option_sptr_t<int> duration)
     {
         this->view   = view;
@@ -284,7 +285,7 @@ class grid_animation_t : public wf::custom_data_t
     }
 
     wf::geometry_t original;
-    wayfire_view view;
+    wayfire_toplevel_view view;
     wf::output_t *output;
     wf::signal::connection_t<view_disappeared_signal> on_disappear = [=] (view_disappeared_signal *ev)
     {

plugins/grid/wayfire/plugins/grid.hpp

@@ -47,7 +47,7 @@ struct grid_query_geometry_signal
  */
 struct grid_snap_view_signal
 {
-    wayfire_view view;
+    wayfire_toplevel_view view;
     slot_t slot;
 };
 }

plugins/ipc/demo-ipc.cpp

@@ -2,6 +2,7 @@
 #include <wayfire/per-output-plugin.hpp>
 #include <wayfire/view.hpp>
 #include <wayfire/output.hpp>
+#include <wayfire/toplevel-view.hpp>
 #include <set>
 
 #include "ipc-helpers.hpp"
@@ -81,8 +82,13 @@ class wayfire_demo_ipc : public wf::plugin_interface_t
         {
             if (auto geometry = wf::ipc::geometry_from_json(data["geometry"]))
             {
-                view->set_geometry(geometry.value());
-                return wf::ipc::json_ok();
+                if (auto toplevel = toplevel_cast(view))
+                {
+                    toplevel->set_geometry(geometry.value());
+                    return wf::ipc::json_ok();
+                }
+
+                return wf::ipc::json_error("view is not toplevel");
             }
 
             return wf::ipc::json_error("geometry incorrect");
@@ -119,8 +125,10 @@ class wayfire_demo_ipc : public wf::plugin_interface_t
         description["id"]     = view->get_id();
         description["app-id"] = view->get_app_id();
         description["title"]  = view->get_title();
-        description["geometry"] = wf::ipc::geometry_to_json(view->get_wm_geometry());
-        description["output"]   = view->get_output() ? view->get_output()->get_id() : -1;
+        auto toplevel = wf::toplevel_cast(view);
+        description["geometry"] =
+            wf::ipc::geometry_to_json(toplevel ? toplevel->get_wm_geometry() : view->get_bounding_box());
+        description["output"] = view->get_output() ? view->get_output()->get_id() : -1;
         return description;
     }
 };