Switch to wlr scene-graph

include/desktop/desktop.h

@@ -9,23 +9,32 @@
 #define KIWMI_DESKTOP_DESKTOP_H
 
 #include <wayland-server.h>
+#include <wlr/types/wlr_scene.h>
+
+#include "desktop/stratum.h"
 
 struct kiwmi_desktop {
     struct wlr_compositor *compositor;
+
     struct wlr_xdg_shell *xdg_shell;
     struct wlr_xdg_decoration_manager_v1 *xdg_decoration_manager;
     struct wlr_layer_shell_v1 *layer_shell;
+
     struct wlr_data_device_manager *data_device_manager;
+
     struct wlr_output_layout *output_layout;
     struct wl_list outputs; // struct kiwmi_output::link
     struct wl_list views;   // struct kiwmi_view::link
 
-    float bg_color[4];
+    struct wlr_scene *scene;
+    struct wlr_scene_rect *background_rect;
+    struct wlr_scene_tree *strata[KIWMI_STRATA_COUNT];
 
     struct wl_listener xdg_shell_new_surface;
     struct wl_listener xdg_toplevel_new_decoration;
     struct wl_listener layer_shell_new_surface;
     struct wl_listener new_output;
+    struct wl_listener output_layout_change;
 
     struct {
         struct wl_signal new_output;

include/desktop/desktop_surface.h

@@ -0,0 +1,45 @@
+/* Copyright (c), Niclas Meyer <[email protected]>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef KIWMI_DESKTOP_DESKTOP_SURFACE_H
+#define KIWMI_DESKTOP_DESKTOP_SURFACE_H
+
+struct wlr_surface;
+struct kiwmi_desktop;
+
+enum kiwmi_desktop_surface_type {
+    KIWMI_DESKTOP_SURFACE_VIEW,
+    KIWMI_DESKTOP_SURFACE_LAYER,
+};
+
+struct kiwmi_desktop_surface {
+    // The tree is where the config is supposed to put custom decorations (it
+    // also contains the surface_node)
+    struct wlr_scene_tree *tree;
+    struct wlr_scene_node *surface_node;
+
+    struct wlr_scene_tree *popups_tree;
+
+    enum kiwmi_desktop_surface_type type;
+    const struct kiwmi_desktop_surface_impl *impl;
+};
+
+struct kiwmi_desktop_surface_impl {
+    struct kiwmi_output *(*get_output)(
+        struct kiwmi_desktop_surface *desktop_surface);
+};
+
+struct kiwmi_desktop_surface *
+desktop_surface_at(struct kiwmi_desktop *desktop, double lx, double ly);
+struct kiwmi_output *
+desktop_surface_get_output(struct kiwmi_desktop_surface *desktop_surface);
+void desktop_surface_get_pos(
+    struct kiwmi_desktop_surface *desktop_surface,
+    int *lx,
+    int *ly);
+
+#endif /* KIWMI_DESKTOP_DESKTOP_SURFACE_H */

include/desktop/layer_shell.h

@@ -14,32 +14,26 @@
 #include <wlr/types/wlr_surface.h>
 #include <wlr/util/box.h>
 
+#include "desktop/desktop_surface.h"
 #include "desktop/output.h"
 
 struct kiwmi_layer {
     struct wl_list link;
+    struct kiwmi_desktop_surface desktop_surface;
+
     struct wlr_layer_surface_v1 *layer_surface;
-    uint32_t layer;
+    uint32_t layer; // enum zwlr_layer_shell_v1_layer
 
     struct kiwmi_output *output;
 
     struct wl_listener destroy;
     struct wl_listener commit;
     struct wl_listener map;
     struct wl_listener unmap;
-
-    struct wlr_box geom;
 };
 
 void arrange_layers(struct kiwmi_output *output);
 
-struct kiwmi_layer *layer_at(
-    struct wl_list *layers,
-    struct wlr_surface **surface,
-    double ox,
-    double oy,
-    double *sx,
-    double *sy);
 void layer_shell_new_surface_notify(struct wl_listener *listener, void *data);
 
 #endif /* KIWMI_DESKTOP_LAYER_SHELL_H */

include/desktop/output.h

@@ -11,19 +11,22 @@
 #include <wayland-server.h>
 #include <wlr/util/box.h>
 
+#include "desktop/stratum.h"
+
 struct kiwmi_output {
     struct wl_list link;
     struct kiwmi_desktop *desktop;
     struct wlr_output *wlr_output;
+
     struct wl_listener frame;
     struct wl_listener commit;
     struct wl_listener destroy;
     struct wl_listener mode;
 
-    struct wl_list layers[4]; // struct kiwmi_layer_surface::link
-    struct wlr_box usable_area;
+    struct wl_list layers[4]; // struct kiwmi_layer::link
+    struct wlr_scene_tree *strata[KIWMI_STRATA_COUNT];
 
-    int damaged;
+    struct wlr_box usable_area;
 
     struct {
         struct wl_signal destroy;
@@ -42,7 +45,6 @@ struct kiwmi_render_data {
 };
 
 void new_output_notify(struct wl_listener *listener, void *data);
-
-void output_damage(struct kiwmi_output *output);
+void output_layout_change_notify(struct wl_listener *listener, void *data);
 
 #endif /* KIWMI_DESKTOP_OUTPUT_H */

include/desktop/popup.h

@@ -0,0 +1,20 @@
+/* Copyright (c), Niclas Meyer <[email protected]>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef KIWMI_DESKTOP_POPUP_H
+#define KIWMI_DESKTOP_POPUP_H
+
+struct wlr_xdg_popup;
+struct kiwmi_desktop_surface;
+
+struct kiwmi_desktop_surface *
+popup_get_desktop_surface(struct wlr_xdg_popup *popup);
+void popup_attach(
+    struct wlr_xdg_popup *popup,
+    struct kiwmi_desktop_surface *desktop_surface);
+
+#endif /* KIWMI_DESKTOP_POPUP_H */

include/desktop/stratum.h

@@ -0,0 +1,33 @@
+/* Copyright (c), Niclas Meyer <[email protected]>
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef KIWMI_DESKTOP_STRATUM_H
+#define KIWMI_DESKTOP_STRATUM_H
+
+#include <stdint.h>
+
+/**
+ * A stratum is a layer in the scene-graph (the name was chosen to avoid
+ * confusion with layer-shell). The root node contains a scene_tree for each
+ * stratum, which itself contains a scene_tree per output.
+ */
+
+// There are some assumptions made about the values, don't mindlessly change.
+enum kiwmi_stratum {
+    KIWMI_STRATUM_LS_BACKGROUND, // LS == layer_shell
+    KIWMI_STRATUM_LS_BOTTOM,
+    KIWMI_STRATUM_NORMAL,
+    KIWMI_STRATUM_LS_TOP,
+    KIWMI_STRATUM_LS_OVERLAY,
+    KIWMI_STRATUM_POPUPS,
+    KIWMI_STRATA_COUNT,
+    KIWMI_STRATUM_NONE = KIWMI_STRATA_COUNT,
+};
+
+enum kiwmi_stratum stratum_from_layer_shell_layer(uint32_t layer);
+
+#endif /* KIWMI_DESKTOP_STRATUM_H */

include/desktop/view.h

@@ -17,6 +17,8 @@
 #include <wlr/types/wlr_xdg_shell.h>
 #include <wlr/util/edges.h>
 
+#include "desktop/desktop_surface.h"
+
 enum kiwmi_view_prop {
     KIWMI_VIEW_PROP_APP_ID,
     KIWMI_VIEW_PROP_TITLE,
@@ -28,7 +30,7 @@ enum kiwmi_view_type {
 
 struct kiwmi_view {
     struct wl_list link;
-    struct wl_list children; // struct kiwmi_view_child::link
+    struct kiwmi_desktop_surface desktop_surface;
 
     struct kiwmi_desktop *desktop;
 
@@ -47,16 +49,10 @@ struct kiwmi_view {
     struct wl_listener unmap;
     struct wl_listener commit;
     struct wl_listener destroy;
-    struct wl_listener new_popup;
-    struct wl_listener new_subsurface;
     struct wl_listener request_move;
     struct wl_listener request_resize;
 
-    int x;
-    int y;
-
     bool mapped;
-    bool hidden;
 
     struct {
         struct wl_signal unmap;
@@ -71,58 +67,12 @@ struct kiwmi_view {
 
 struct kiwmi_view_impl {
     void (*close)(struct kiwmi_view *view);
-    void (*for_each_surface)(
-        struct kiwmi_view *view,
-        wlr_surface_iterator_func_t callback,
-        void *user_data);
     pid_t (*get_pid)(struct kiwmi_view *view);
     void (*set_activated)(struct kiwmi_view *view, bool activated);
     void (*set_size)(struct kiwmi_view *view, uint32_t width, uint32_t height);
     const char *(
         *get_string_prop)(struct kiwmi_view *view, enum kiwmi_view_prop prop);
     void (*set_tiled)(struct kiwmi_view *view, enum wlr_edges edges);
-    struct wlr_surface *(*surface_at)(
-        struct kiwmi_view *view,
-        double sx,
-        double sy,
-        double *sub_x,
-        double *sub_y);
-};
-
-enum kiwmi_view_child_type {
-    KIWMI_VIEW_CHILD_SUBSURFACE,
-    KIWMI_VIEW_CHILD_XDG_POPUP,
-};
-
-struct kiwmi_view_child {
-    struct wl_list link;
-    struct wl_list children; // struct kiwmi_view_child::link
-
-    struct kiwmi_view *view;
-    struct kiwmi_view_child *parent;
-
-    enum kiwmi_view_child_type type;
-    const struct kiwmi_view_child_impl *impl;
-
-    struct wlr_surface *wlr_surface;
-    union {
-        struct wlr_subsurface *wlr_subsurface;
-        struct wlr_xdg_popup *wlr_xdg_popup;
-    };
-
-    bool mapped;
-
-    struct wl_listener commit;
-    struct wl_listener map;
-    struct wl_listener unmap;
-    struct wl_listener new_popup;
-    struct wl_listener new_subsurface;
-    struct wl_listener extension_destroy; // the union'ed object destroy
-    struct wl_listener surface_destroy;   // wlr_surface::events.destroy
-};
-
-struct kiwmi_view_child_impl {
-    void (*reconfigure)(struct kiwmi_view_child *child);
 };
 
 struct kiwmi_request_resize_event {
@@ -131,10 +81,6 @@ struct kiwmi_request_resize_event {
 };
 
 void view_close(struct kiwmi_view *view);
-void view_for_each_surface(
-    struct kiwmi_view *view,
-    wlr_surface_iterator_func_t callback,
-    void *user_data);
 pid_t view_get_pid(struct kiwmi_view *view);
 void view_get_size(struct kiwmi_view *view, uint32_t *width, uint32_t *height);
 const char *view_get_app_id(struct kiwmi_view *view);
@@ -143,42 +89,15 @@ void view_set_activated(struct kiwmi_view *view, bool activated);
 void view_set_size(struct kiwmi_view *view, uint32_t width, uint32_t height);
 void view_set_pos(struct kiwmi_view *view, uint32_t x, uint32_t y);
 void view_set_tiled(struct kiwmi_view *view, enum wlr_edges edges);
-struct wlr_surface *view_surface_at(
-    struct kiwmi_view *view,
-    double sx,
-    double sy,
-    double *sub_x,
-    double *sub_y);
+void view_set_hidden(struct kiwmi_view *view, bool hidden);
 
 void view_focus(struct kiwmi_view *view);
-struct kiwmi_view *view_at(
-    struct kiwmi_desktop *desktop,
-    double lx,
-    double ly,
-    struct wlr_surface **surface,
-    double *sx,
-    double *sy);
+struct kiwmi_view *view_at(struct kiwmi_desktop *desktop, double lx, double ly);
 void view_move(struct kiwmi_view *view);
 void view_resize(struct kiwmi_view *view, uint32_t edges);
 struct kiwmi_view *view_create(
     struct kiwmi_desktop *desktop,
     enum kiwmi_view_type type,
     const struct kiwmi_view_impl *impl);
 
-void
-view_init_subsurfaces(struct kiwmi_view_child *child, struct kiwmi_view *view);
-bool view_child_is_mapped(struct kiwmi_view_child *child);
-void view_child_damage(struct kiwmi_view_child *child);
-void view_child_destroy(struct kiwmi_view_child *child);
-struct kiwmi_view_child *view_child_create(
-    struct kiwmi_view_child *parent,
-    struct kiwmi_view *view,
-    struct wlr_surface *wlr_surface,
-    enum kiwmi_view_child_type type,
-    const struct kiwmi_view_child_impl *impl);
-struct kiwmi_view_child *view_child_subsurface_create(
-    struct kiwmi_view_child *parent,
-    struct kiwmi_view *view,
-    struct wlr_subsurface *subsurface);
-
 #endif /* KIWMI_DESKTOP_VIEW_H */