4 files changed, 31 insertions, 0 deletions
diff --git a/include/rootston/cursor.h b/include/rootston/cursor.h
index 19ac4034..90d54c12 100644
--- a/include/rootston/cursor.h
+++ b/include/rootston/cursor.h
@@ -27,6 +27,8 @@ struct roots_cursor {
 	float view_rotation;
 	uint32_t resize_edges;
 
+	struct roots_seat_view *pointer_view;
+
 	struct wl_listener motion;
 	struct wl_listener motion_absolute;
 	struct wl_listener button;
diff --git a/include/rootston/seat.h b/include/rootston/seat.h
index cf5dd3b2..966d98e5 100644
--- a/include/rootston/seat.h
+++ b/include/rootston/seat.h
@@ -28,6 +28,11 @@ struct roots_seat {
 struct roots_seat_view {
 	struct roots_seat *seat;
 	struct roots_view *view;
+
+	bool has_button_grab;
+	double grab_sx;
+	double grab_sy;
+
 	struct wl_list link; // roots_seat::views
 
 	struct wl_listener view_destroy;
@@ -84,4 +89,7 @@ void roots_seat_begin_resize(struct roots_seat *seat, struct roots_view *view,
 
 void roots_seat_begin_rotate(struct roots_seat *seat, struct roots_view *view);
 
+struct roots_seat_view *roots_seat_view_from_view( struct roots_seat *seat,
+		struct roots_view *view);
+
 #endif
diff --git a/include/rootston/view.h b/include/rootston/view.h
index 579b148a..e837586a 100644
--- a/include/rootston/view.h
+++ b/include/rootston/view.h
@@ -61,6 +61,10 @@ struct roots_view {
 	double x, y;
 	float rotation;
 
+	bool decorated;
+	int border_width;
+	int titlebar_height;
+
 	bool maximized;
 	struct roots_output *fullscreen_output;
 	struct {
@@ -126,4 +130,17 @@ bool view_center(struct roots_view *view);
 void view_setup(struct roots_view *view);
 void view_teardown(struct roots_view *view);
 
+void view_get_deco_box(const struct roots_view *view, struct wlr_box *box);
+
+enum roots_deco_part {
+	ROOTS_DECO_PART_NONE = 0,
+	ROOTS_DECO_PART_TOP_BORDER = (1 << 0),
+	ROOTS_DECO_PART_BOTTOM_BORDER = (1 << 1),
+	ROOTS_DECO_PART_LEFT_BORDER = (1 << 2),
+	ROOTS_DECO_PART_RIGHT_BORDER = (1 << 3),
+	ROOTS_DECO_PART_TITLEBAR = (1 << 4),
+};
+
+enum roots_deco_part view_get_deco_part(struct roots_view *view, double sx, double sy);
+
 #endif
diff --git a/include/wlr/render/matrix.h b/include/wlr/render/matrix.h
index 0b35aad3..a333bf0f 100644
--- a/include/wlr/render/matrix.h
+++ b/include/wlr/render/matrix.h
@@ -2,6 +2,7 @@
 #define WLR_RENDER_MATRIX_H
 
 #include <stdint.h>
+#include <wlr/types/wlr_box.h>
 
 void wlr_matrix_identity(float (*output)[16]);
 void wlr_matrix_translate(float (*output)[16], float x, float y, float z);
@@ -14,5 +15,8 @@ void wlr_matrix_transform(float mat[static 16],
 		enum wl_output_transform transform);
 void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height,
 		enum wl_output_transform transform);
+void wlr_matrix_project_box(float (*mat)[16], struct wlr_box *box,
+		enum wl_output_transform transform, float rotation, float
+		(*projection)[16]);
 
 #endif