Mouse cursor

Signed-off-by: Slendi <slendi@socopon.com>

src/LunarWM.h

@@ -37,6 +37,34 @@
 
 struct LunarWM;
 
+typedef struct {
+	float r, theta, phi;
+} SphericalCoord;
+
+static inline SphericalCoord Vector3ToSpherical(Vector3 v)
+{
+	SphericalCoord s;
+	s.r = sqrtf(v.x * v.x + v.y * v.y + v.z * v.z);
+	if (s.r > 0.0f) {
+		s.theta = atan2f(v.z, v.x); // azimuth around Y axis
+		s.phi = acosf(v.y / s.r);   // polar angle from Y+
+	} else {
+		s.theta = 0.0f;
+		s.phi = 0.0f;
+	}
+	return s;
+}
+
+static inline Vector3 SphericalToVector3(SphericalCoord s)
+{
+	Vector3 v;
+	float sin_phi = sinf(s.phi);
+	v.x = s.r * cosf(s.theta) * sin_phi;
+	v.y = s.r * cosf(s.phi);
+	v.z = s.r * sinf(s.theta) * sin_phi;
+	return v;
+}
+
 typedef struct virtual_output {
 	struct wl_global *global;
 	struct wl_display *display;
@@ -65,6 +93,16 @@ typedef struct {
 	struct wl_listener destroy;
 } LunarWM_Keyboard;
 
+typedef struct {
+	struct LunarWM *server;
+
+	struct wl_list link;
+	struct wlr_pointer *wlr_pointer;
+
+	struct wl_listener motion;
+	struct wl_listener destroy;
+} LunarWM_Pointer;
+
 typedef struct {
 	uint32_t id;
 
@@ -91,6 +129,11 @@ typedef struct {
 	Texture2D rl_texture;
 } LunarWM_Toplevel;
 
+typedef struct {
+	LunarWM_Toplevel *tl;
+	SphericalCoord coord;
+} LunarWM_Window;
+
 bool LunarWM_Toplevel_init_xdg(
     LunarWM_Toplevel *tl, struct LunarWM *wm, struct wlr_xdg_toplevel *xdg);
 bool LunarWM_Toplevel_init_xwayland(
@@ -148,14 +191,13 @@ typedef struct LunarWM {
 
 		struct wlr_seat *seat;
 		struct wl_list keyboards;
+		struct wl_list pointers;
 		struct wl_listener new_input_listener;
 
 		struct wlr_xdg_shell *xdg_shell;
 		struct wl_listener new_xdg_toplevel_listener;
 		struct wl_listener new_xdg_popup_listener;
 
-		struct wlr_cursor *cursor;
-
 		struct wlr_xwayland *xwayland;
 
 		struct wl_listener xwayland_ready;
@@ -212,8 +254,18 @@ typedef struct LunarWM {
 		bool first_frame;
 	} renderer;
 
+	struct {
+		SphericalCoord pointer;
+		int active_workspace;
+		struct {
+			LunarWM_Window *v_windows;
+		} workspaces[10];
+	} wm;
+
 	ConfigManager *cman;
 
+	_Atomic(int) counter;
+
 	bool initialized;
 	bool running;
 } LunarWM;
@@ -224,6 +276,8 @@ void LunarWM_destroy(LunarWM *this);
 void LunarWM_terminate(LunarWM *this);
 void LunarWM_run(LunarWM *this);
 
+static inline bool LunarWM_get_new_id(LunarWM *this) { return ++this->counter; }
+
 extern LunarWM g_wm;
 
 #endif // LUNAR_WM_H