feat: window rounding %

src/config/ConfigDataValues.hpp

@@ -1,12 +1,18 @@
 #pragma once
 #include "../defines.hpp"
 #include "../helpers/varlist/VarList.hpp"
+#include "debug/Log.hpp"
+#include <cstdint>
+#include <cstdlib>
+#include <format>
+#include <string>
 #include <vector>
 
 enum eConfigValueDataTypes : int8_t {
-    CVD_TYPE_INVALID   = -1,
+    CVD_TYPE_INVALID        = -1,
-    CVD_TYPE_GRADIENT  = 0,
+    CVD_TYPE_GRADIENT       = 0,
-    CVD_TYPE_CSS_VALUE = 1
+    CVD_TYPE_CSS_VALUE      = 1,
+    CVD_TYPE_ROUNDING_VALUE = 2
 };
 
 class ICustomConfigValueData {
@@ -136,3 +142,33 @@ class CCssGapData : public ICustomConfigValueData {
         return std::format("{} {} {} {}", top, right, bottom, left);
     }
 };
+
+class CRoundingData : public ICustomConfigValueData {
+  public:
+    double  fraction = 0;
+    int64_t px       = 0;
+
+    void    parseRoundingData(CVarList varlist) {
+        if (varlist[0].find('%') == std::string::npos) {
+            px = std::atoi(varlist[0].c_str());
+            return;
+        }
+
+        varlist[0].resize(varlist[0].size() - 1);
+        fraction = atof(varlist[0].c_str()) / 100;
+    }
+
+    virtual eConfigValueDataTypes getDataType() {
+        return CVD_TYPE_ROUNDING_VALUE;
+    }
+
+    virtual std::string toString() {
+        if (fraction != 0)
+            return std::format("{}%", fraction * 100);
+        return std::format("{}", px);
+    }
+
+    bool isPercent() const {
+        return fraction != 0;
+    }
+};

src/config/ConfigManager.cpp

@@ -130,6 +130,35 @@ static void configHandleGapDestroy(void** data) {
         delete reinterpret_cast<CCssGapData*>(*data);
 }
 
+static Hyprlang::CParseResult configHandleRounding(const char* VALUE, void** data) {
+    std::string V = VALUE;
+
+    if (!*data)
+        *data = new CRoundingData();
+
+    const auto             DATA = reinterpret_cast<CRoundingData*>(*data);
+    CVarList               varlist(V);
+    Hyprlang::CParseResult result;
+
+    try {
+        DATA->parseRoundingData(varlist);
+    } catch (...) {
+        std::string parseError = "Error parsing rounding " + V;
+        result.setError(parseError.c_str());
+    }
+
+    return result;
+}
+
+static void configHandleRoundingDestroy(void** data) {
+    if (*data)
+        delete reinterpret_cast<CRoundingData*>(*data);
+}
+
+static Hyprlang::CConfigCustomValueType configRoundingValueParser() {
+    return Hyprlang::CConfigCustomValueType{configHandleRounding, configHandleRoundingDestroy, "0"};
+}
+
 static Hyprlang::CParseResult handleRawExec(const char* c, const char* v) {
     const std::string      VALUE   = v;
     const std::string      COMMAND = c;
@@ -428,7 +457,7 @@ CConfigManager::CConfigManager() {
     m_pConfig->addConfigValue("debug:disable_scale_checks", Hyprlang::INT{0});
     m_pConfig->addConfigValue("debug:colored_stdout_logs", Hyprlang::INT{1});
 
-    m_pConfig->addConfigValue("decoration:rounding", Hyprlang::INT{0});
+    m_pConfig->addConfigValue("decoration:rounding", configRoundingValueParser());
     m_pConfig->addConfigValue("decoration:rounding_power", {2.F});
     m_pConfig->addConfigValue("decoration:blur:enabled", Hyprlang::INT{1});
     m_pConfig->addConfigValue("decoration:blur:size", Hyprlang::INT{8});

src/desktop/Window.cpp

@@ -1,3 +1,4 @@
+#include <format>
 #include <hyprutils/animation/AnimatedVariable.hpp>
 #include <re2/re2.h>
 
@@ -17,6 +18,8 @@
 #include "../protocols/core/Compositor.hpp"
 #include "../xwayland/XWayland.hpp"
 #include "../helpers/Color.hpp"
+#include "config/ConfigDataValues.hpp"
+#include "debug/Log.hpp"
 
 #include <hyprutils/string/String.hpp>
 
@@ -1145,13 +1148,18 @@ bool CWindow::opaque() {
 }
 
 float CWindow::rounding() {
-    static auto PROUNDING      = CConfigValue<Hyprlang::INT>("decoration:rounding");
+    static auto PROUNDING      = CConfigValue<Hyprlang::CConfigCustomValueType>("decoration:rounding");
     static auto PROUNDINGPOWER = CConfigValue<Hyprlang::FLOAT>("decoration:rounding_power");
+    static auto PROUNDINGDATA  = (CRoundingData*)(PROUNDING.ptr()->getData());
 
-    float       roundingPower = m_sWindowData.roundingPower.valueOr(*PROUNDINGPOWER);
+    if (!PROUNDINGDATA->isPercent()) {
-    float       rounding      = m_sWindowData.rounding.valueOr(*PROUNDING) * (roundingPower / 2.0); /* Make perceived roundness consistent. */
+        const float roundingPower = m_sWindowData.roundingPower.valueOr(*PROUNDINGPOWER);
+        const float rounding      = m_sWindowData.rounding.valueOr(PROUNDINGDATA->px) * (roundingPower / 2.0); /* Make perceived roundness consistent. */
+        return m_sWindowData.noRounding.valueOrDefault() ? 0 : rounding;
+    }
 
-    return m_sWindowData.noRounding.valueOrDefault() ? 0 : rounding;
+    const auto px = m_vSize.size() * PROUNDINGDATA->fraction;
+    return m_sWindowData.noRounding.valueOrDefault() ? 0 : px;
 }
 
 float CWindow::roundingPower() {