internal: check size limit in layouts (#8298)

modified:   src/desktop/Window.cpp
modified:   src/desktop/Window.hpp
modified:   src/events/Windows.cpp
modified:   src/helpers/MiscFunctions.cpp
modified:   src/helpers/MiscFunctions.hpp
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/IHyprLayout.cpp
modified:   src/layout/MasterLayout.cpp
modified:   src/macros.hpp

1 files changed, 7 insertions, 0 deletions

diff --git a/src/helpers/MiscFunctions.cpp b/src/helpers/MiscFunctions.cpp
index 29861af7..878f5ca1 100644
--- a/src/helpers/MiscFunctions.cpp
+++ b/src/helpers/MiscFunctions.cpp
@@ -863,3 +863,10 @@ bool allocateSHMFilePair(size_t size, int* rw_fd_ptr, int* ro_fd_ptr) {
     *ro_fd_ptr = ro_fd;
     return true;
 }
+
+float stringToPercentage(const std::string& VALUE, const float REL) {
+    if (VALUE.ends_with('%'))
+        return (std::stof(VALUE.substr(0, VALUE.length() - 1)) * REL) / 100.f;
+    else
+        return std::stof(VALUE);
+};