compositor: find windows in direction on floating

src/helpers/MiscFunctions.cpp

@@ -242,6 +242,10 @@ bool isDirection(const std::string& arg) {
     return arg == "l" || arg == "r" || arg == "u" || arg == "d" || arg == "t" || arg == "b";
 }
 
+bool isDirection(const char& arg) {
+    return arg == 'l' || arg == 'r' || arg == 'u' || arg == 'd' || arg == 't' || arg == 'b';
+}
+
 int getWorkspaceIDFromString(const std::string& in, std::string& outName) {
     int result = INT_MAX;
     if (in.starts_with("special")) {

src/helpers/MiscFunctions.hpp

@@ -19,6 +19,7 @@ std::string                      escapeJSONStrings(const std::string& str);
 std::string                      removeBeginEndSpacesTabs(std::string);
 bool                             isNumber(const std::string&, bool allowfloat = false);
 bool                             isDirection(const std::string&);
+bool                             isDirection(const char&);
 int                              getWorkspaceIDFromString(const std::string&, std::string&);
 std::optional<std::string>       cleanCmdForWorkspace(const std::string&, std::string);
 float                            vecToRectDistanceSquared(const Vector2D& vec, const Vector2D& p1, const Vector2D& p2);

src/helpers/Vector2D.cpp

@@ -45,3 +45,7 @@ bool Vector2D::inTriangle(const Vector2D& p1, const Vector2D& p2, const Vector2D
 
     return 0 <= a && a <= 1 && 0 <= b && b <= 1 && 0 <= c && c <= 1;
 }
+
+double Vector2D::size() const {
+    return std::sqrt(x * x + y * y);
+}

src/helpers/Vector2D.hpp

@@ -57,7 +57,7 @@ class Vector2D {
     }
 
     double   distance(const Vector2D& other) const;
-
+    double   size() const;
     Vector2D clamp(const Vector2D& min, const Vector2D& max = Vector2D()) const;
 
     Vector2D floor() const;