diff --git a/src/btop.cpp b/src/btop.cpp
index 9955732..513205a 100644
--- a/src/btop.cpp
+++ b/src/btop.cpp
@@ -390,7 +390,7 @@ int main(int argc, char **argv){
 				cout << "\nTheme generation of " << fs::path(Config::getS("color_theme")).filename().replace_extension("") << " took " << time_micros() - thts << "μs" << endl;
 
 				cout << "Colors:" << endl;
-				uint i = 0;
+				size_t i = 0;
 				for(auto& item : Theme::test_colors()) {
 					cout << rjust(item.first, 15) << ":" << item.second << "■"s * 10 << Fx::reset << "  ";
 					// << Theme::dec(item.first)[0] << ":" << Theme::dec(item.first)[1] << ":" << Theme::dec(item.first)[2] << ;
@@ -596,11 +596,11 @@ int main(int argc, char **argv){
 
 
 
-	uint lc;
+	size_t lc;
 	string ostring;
 	uint64_t tsl, timestamp2, rcount = 0;
 	list<uint64_t> avgtimes = {0};
-	uint timer = 2000;
+	size_t timer = 2000;
 	bool filtering = false;
 	vector<string> greyscale;
 	string filter;
@@ -608,7 +608,7 @@ int main(int argc, char **argv){
 	string key;
 
 	int xc;
-	for (uint i : iota(0, (int)Term::height - 19)){
+	for (size_t i : iota(0, (int)Term::height - 19)){
 		xc = 230 - i * 150 / (Term::height - 20);
 		greyscale.push_back(Theme::dec_to_color(xc, xc, xc));
 	}
diff --git a/src/btop_draw.cpp b/src/btop_draw.cpp
index e929904..2459f92 100644
--- a/src/btop_draw.cpp
+++ b/src/btop_draw.cpp
@@ -107,12 +107,12 @@ namespace Draw {
 		out = Fx::reset + lcolor;
 
 		//* Draw horizontal lines
-		for (uint hpos : {c.y, c.y + c.height - 1}){
+		for (size_t hpos : {c.y, c.y + c.height - 1}){
 			out += Mv::to(hpos, c.x) + Symbols::h_line * (c.width - 1);
 		}
 
 		//* Draw vertical lines and fill if enabled
-		for (uint hpos : iota(c.y + 1, c.y + c.height - 1)){
+		for (size_t hpos : iota(c.y + 1, c.y + c.height - 1)){
 			out += Mv::to(hpos, c.x) + Symbols::v_line +
 				((c.fill) ? string(c.width - 2, ' ') : Mv::r(c.width - 2)) +
 				Symbols::v_line;
diff --git a/src/btop_draw.hpp b/src/btop_draw.hpp
index 144f7f0..6f86789 100644
--- a/src/btop_draw.hpp
+++ b/src/btop_draw.hpp
@@ -40,12 +40,12 @@ namespace Symbols {
 namespace Draw {
 
 	struct BoxConf {
-		uint x=0, y=0;
-		uint width=0, height=0;
+		size_t x=0, y=0;
+		size_t width=0, height=0;
 		string line_color = "", title = "", title2 = "";
 		bool fill = true;
-		uint num=0;
-		uint w_percent=0, h_percent=0;
+		size_t num=0;
+		size_t w_percent=0, h_percent=0;
 	};
 
 	//* Create a box using values from a BoxConf struct and return as a string
diff --git a/src/btop_input.cpp b/src/btop_input.cpp
index 274faff..1551806 100644
--- a/src/btop_input.cpp
+++ b/src/btop_input.cpp
@@ -26,13 +26,6 @@ tab-size = 4
 using std::string, robin_hood::unordered_flat_map, std::cin;
 using namespace Tools;
 
-/* The input functions relies on the following std::cin options being set:
-	cin.sync_with_stdio(false);
-	cin.tie(NULL);
-	These will automatically be set when running Term::init() from btop_tools.cpp
-*/
-
-//* Functions and variables for handling keyboard and mouse input
 namespace Input {
 	namespace {
 		//* Map for translating key codes to readable values
@@ -102,7 +95,6 @@ namespace Input {
 		return get();
 	}
 
-	//* Clears last entered key
 	void clear(){
 		last.clear();
 	}
diff --git a/src/btop_linux.cpp b/src/btop_linux.cpp
index ad88190..dc6d5d8 100644
--- a/src/btop_linux.cpp
+++ b/src/btop_linux.cpp
@@ -100,10 +100,10 @@ namespace Proc {
 			size_t depth = 0;
 			bool collapsed = false;
 		};
-		unordered_flat_map<uint, p_cache> cache;
+		unordered_flat_map<size_t, p_cache> cache;
 		unordered_flat_map<string, string> uid_user;
 
-		uint counter = 0;
+		int counter = 0;
 	}
 	uint64_t old_cputimes = 0;
 	size_t numpids = 500;
@@ -121,22 +121,38 @@ namespace Proc {
 	};
 
 	//* Generate process tree list
-	void _tree_gen(const proc_info& cur_proc, const vector<proc_info>& in_procs, vector<proc_info>& out_procs, const int cur_depth, const bool collapsed, const string& prefix){
+	void _tree_gen(const proc_info& cur_proc, const vector<proc_info>& in_procs, vector<proc_info>& out_procs, int cur_depth, const bool collapsed, const string& prefix, const string& filter, bool found){
 		auto cur_pos = out_procs.size();
-		if (not collapsed)
+		bool filtering = false;
+
+		//? If filtering, include children of matching processes
+		if (not filter.empty() and not found) {
+			if (std::to_string(cur_proc.pid).find(filter) == string::npos
+			and cur_proc.name.find(filter) == string::npos
+			and cur_proc.cmd.find(filter) == string::npos
+			and cur_proc.user.find(filter) == string::npos) {
+				filtering = true;
+			}
+			else {
+				found = true;
+				cur_depth = 0;
+			}
+		}
+
+		if (not collapsed and not filtering)
 			out_procs.push_back(cur_proc);
 
 		int children = 0;
 		for (auto& p : rng::equal_range(in_procs, cur_proc.pid, rng::less{}, &proc_info::ppid)) {
-			if (collapsed) {
+			if (collapsed and not filtering) {
 				out_procs.back().cpu_p += p.cpu_p;
 				out_procs.back().mem += p.mem;
 				out_procs.back().threads += p.threads;
 			}
 			else children++;
-			_tree_gen(p, in_procs, out_procs, cur_depth + 1, (collapsed ? true : cache.at(cur_proc.pid).collapsed), prefix);
+			_tree_gen(p, in_procs, out_procs, cur_depth + 1, (collapsed ? true : cache.at(cur_proc.pid).collapsed), prefix, filter, found);
 		}
-		if (collapsed) return;
+		if (collapsed or filtering) return;
 
 		if (out_procs.size() > cur_pos + 1 and not out_procs.back().prefix.ends_with("] "))
 			out_procs.back().prefix.replace(out_procs.back().prefix.size() - 8, 8, " └─ ");
@@ -248,7 +264,7 @@ namespace Proc {
 				}
 
 				//* Match filter if defined
-				if (not filter.empty()
+				if (not tree and not filter.empty()
 					and pid_str.find(filter) == string::npos
 					and cache[new_proc.pid].name.find(filter) == string::npos
 					and cache[new_proc.pid].cmd.find(filter) == string::npos
@@ -390,7 +406,7 @@ namespace Proc {
 			string prefix = " ├─ ";
 			//? Start recursive iteration over processes with the lowest shared parent pids
 			for (auto& p : rng::equal_range(procs, procs.at(0).ppid, rng::less{}, &proc_info::ppid)) {
-				_tree_gen(p, procs, tree_procs, 0, cache.at(p.pid).collapsed, prefix);
+				_tree_gen(p, procs, tree_procs, 0, cache.at(p.pid).collapsed, prefix, filter, false);
 			}
 			procs.swap(tree_procs);
 		}
@@ -399,7 +415,7 @@ namespace Proc {
 		//* Clear dead processes from cache at a regular interval
 		if (++counter >= 10000 or ((int)cache.size() > npids + 100)) {
 			counter = 0;
-			unordered_flat_map<uint, p_cache> r_cache;
+			unordered_flat_map<size_t, p_cache> r_cache;
 			r_cache.reserve(procs.size());
 			rng::for_each(procs, [&r_cache](const auto &p){
 				if (cache.contains(p.pid))
diff --git a/src/btop_shared.hpp b/src/btop_shared.hpp
index e3557ea..3b4e5d0 100644
--- a/src/btop_shared.hpp
+++ b/src/btop_shared.hpp
@@ -49,7 +49,7 @@ namespace Proc {
 
 	//* Container for process information
 	struct proc_info {
-		uint64_t pid;
+		size_t pid;
 		string name = "", cmd = "";
 		size_t threads = 0;
 		string user = "";
diff --git a/src/btop_tools.cpp b/src/btop_tools.cpp
index 5d2fff7..2e50b5a 100644
--- a/src/btop_tools.cpp
+++ b/src/btop_tools.cpp
@@ -85,8 +85,8 @@ namespace Term {
 
 	bool initialized = false;
 	bool resized = false;
-	uint width = 0;
-	uint height = 0;
+	size_t width = 0;
+	size_t height = 0;
 	string fg, bg, current_tty;
 
 	const string hide_cursor = Fx::e + "?25l";
@@ -252,7 +252,7 @@ namespace Tools {
 		return out;
 	}
 
-	void sleep_ms(const uint& ms) {
+	void sleep_ms(const size_t& ms) {
 		std::this_thread::sleep_for(std::chrono::milliseconds(ms));
 	}
 
@@ -293,9 +293,9 @@ namespace Tools {
 		return (newstr.empty()) ? str : newstr + (string)oldstr;
 	}
 
-	string sec_to_dhms(uint sec){
+	string sec_to_dhms(size_t sec){
 		string out;
-		uint d, h, m;
+		size_t d, h, m;
 		d = sec / (3600 * 24);
 		sec %= 3600 * 24;
 		h = sec / 3600;
@@ -309,9 +309,9 @@ namespace Tools {
 		return out;
 	}
 
-	string floating_humanizer(uint64_t value, bool shorten, uint start, bool bit, bool per_second){
+	string floating_humanizer(uint64_t value, bool shorten, size_t start, bool bit, bool per_second){
 		string out;
-		uint mult = (bit) ? 8 : 1;
+		size_t mult = (bit) ? 8 : 1;
 		static const array<string, 11> Units_bit = {"bit", "Kib", "Mib", "Gib", "Tib", "Pib", "Eib", "Zib", "Yib", "Bib", "GEb"};
 		static const array<string, 11> Units_byte = {"Byte", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB", "BiB", "GEB"};
 		auto& units = (bit) ? Units_bit : Units_byte;
@@ -402,7 +402,7 @@ namespace Logger {
 		loglevel = v_index(log_levels, level);
 	}
 
-	void log_write(uint level, string& msg){
+	void log_write(size_t level, string& msg){
 		if (loglevel < level or logfile.empty()) return;
 		atomic_wait_set(busy, true);
 		std::error_code ec;
diff --git a/src/btop_tools.hpp b/src/btop_tools.hpp
index d3da274..65faf20 100644
--- a/src/btop_tools.hpp
+++ b/src/btop_tools.hpp
@@ -91,8 +91,8 @@ namespace Mv {
 namespace Term {
 	extern bool initialized;
 	extern bool resized;
-	extern uint width;
-	extern uint height;
+	extern size_t width;
+	extern size_t height;
 	extern string fg, bg, current_tty;
 
 	//* Hide terminal cursor
@@ -198,7 +198,7 @@ namespace Tools {
 	vector<string> ssplit(const string& str, const char delim = ' ');
 
 	//* Put current thread to sleep for <ms> milliseconds
-	void sleep_ms(const uint& ms);
+	void sleep_ms(const size_t& ms);
 
 	//* Left justify string <str> if <x> is greater than <str> length, limit return size to <x> by default
 	string ljust(string str, const size_t x, bool utf=false, bool escape=false, bool lim=true);
@@ -210,13 +210,13 @@ namespace Tools {
 	string trans(const string& str);
 
 	//* Convert seconds to format "Xd HH:MM:SS" and return string
-	string sec_to_dhms(uint sec);
+	string sec_to_dhms(size_t sec);
 
 	//* Scales up in steps of 1024 to highest possible unit and returns string with unit suffixed
 	//* bit=True or defaults to bytes
 	//* start=int to set 1024 multiplier starting unit
 	//* short=True always returns 0 decimals and shortens unit to 1 character
-	string floating_humanizer(uint64_t value, bool shorten=false, uint start=0, bool bit=false, bool per_second=false);
+	string floating_humanizer(uint64_t value, bool shorten=false, size_t start=0, bool bit=false, bool per_second=false);
 
 	//* Add std::string operator "*" : Repeat string <str> <n> number of times
 	std::string operator*(string str, size_t n);
@@ -229,7 +229,7 @@ namespace Tools {
 
 	//* Waits for <atom> to not be <val> and then sets it to <val> again
 	void atomic_wait_set(std::atomic<bool>& atom, bool val=true);
-	
+
 }
 
 //* Simple logging implementation
@@ -238,7 +238,7 @@ namespace Logger {
 	extern std::filesystem::path logfile;
 
 	void set(string level); //* Set log level, valid arguments: "DISABLED", "ERROR", "WARNING", "INFO" and "DEBUG"
-	void log_write(uint level, string& msg);
+	void log_write(size_t level, string& msg);
 	void error(string msg);
 	void warning(string msg);
 	void info(string msg);