IPC: Add config descriptions (#7377)

Thanks @gulafaran for the work

---

Co-authored-by: @gulafaran

src/config/ConfigManager.cpp

@@ -28,7 +28,9 @@
 #include <filesystem>
 using namespace Hyprutils::String;
 
-extern "C" char**             environ;
+extern "C" char** environ;
+
+#include "ConfigDescriptions.hpp"
 
 static Hyprlang::CParseResult configHandleGradientSet(const char* VALUE, void** data) {
     std::string V = VALUE;
@@ -312,8 +314,6 @@ CConfigManager::CConfigManager() {
     configPaths.emplace_back(getMainConfigPath());
     m_pConfig = std::make_unique<Hyprlang::CConfig>(configPaths.begin()->c_str(), Hyprlang::SConfigOptions{.throwAllErrors = true, .allowMissingConfig = true});
 
-    m_pConfig->addConfigValue("general:sensitivity", {1.0f});
-    m_pConfig->addConfigValue("general:apply_sens_to_raw", Hyprlang::INT{0});
     m_pConfig->addConfigValue("general:border_size", Hyprlang::INT{1});
     m_pConfig->addConfigValue("general:no_border_on_floating", Hyprlang::INT{0});
     m_pConfig->addConfigValue("general:border_part_of_window", Hyprlang::INT{1});
@@ -2607,3 +2607,60 @@ std::optional<std::string> CConfigManager::handlePlugin(const std::string& comma
 
     return {};
 }
+
+const std::vector<SConfigOptionDescription>& CConfigManager::getAllDescriptions() {
+    return CONFIG_OPTIONS;
+}
+
+std::string SConfigOptionDescription::jsonify() const {
+    auto parseData = [this]() -> std::string {
+        return std::visit(
+            [](auto&& val) {
+                using T = std::decay_t<decltype(val)>;
+                if constexpr (std::is_same_v<T, SStringData>) {
+                    return std::format(R"#(     "value": "{}")#", val.value);
+                } else if constexpr (std::is_same_v<T, SRangeData>) {
+                    return std::format(R"#(     "value": {},
+        "min": {},
+        "max": {})#",
+                                       val.value, val.min, val.max);
+                } else if constexpr (std::is_same_v<T, SFloatData>) {
+                    return std::format(R"#(     "value": {},
+        "min": {},
+        "max": {})#",
+                                       val.value, val.min, val.max);
+                } else if constexpr (std::is_same_v<T, SColorData>) {
+                    return std::format(R"#(     "value": {})#", val.color.getAsHex());
+                } else if constexpr (std::is_same_v<T, SBoolData>) {
+                    return std::format(R"#(     "value": {})#", val.value);
+                } else if constexpr (std::is_same_v<T, SChoiceData>) {
+                    return std::format(R"#(     "value": {})#", val.choices);
+                } else if constexpr (std::is_same_v<T, SVectorData>) {
+                    return std::format(R"#(     "x": {},
+        "y": {},
+        "min_x": {},
+        "min_y": {},
+        "max_x": {},
+        "max_y": {})#",
+                                       val.vec.x, val.vec.y, val.min.x, val.min.y, val.max.x, val.max.y);
+                } else if constexpr (std::is_same_v<T, SGradientData>) {
+                    return std::format(R"#(     "value": "{}")#", val.gradient);
+                }
+                return std::string{""};
+            },
+            data);
+    };
+
+    std::string json = std::format(R"#({{
+    "value": "{}",
+    "description": "{}",
+    "type": {},
+    "flags": {},
+    "data": {{
+        {}
+    }}
+}})#",
+                                   value, description, (uint16_t)type, (uint32_t)flags, parseData());
+
+    return json;
+}

src/config/ConfigManager.hpp

@@ -83,6 +83,70 @@ struct SExecRequestedRule {
     uint64_t    iPid   = 0;
 };
 
+enum eConfigOptionType : uint16_t {
+    CONFIG_OPTION_BOOL         = 0,
+    CONFIG_OPTION_INT          = 1, /* e.g. 0/1/2*/
+    CONFIG_OPTION_FLOAT        = 2,
+    CONFIG_OPTION_STRING_SHORT = 3, /* e.g. "auto" */
+    CONFIG_OPTION_STRING_LONG  = 4, /* e.g. a command */
+    CONFIG_OPTION_COLOR        = 5,
+    CONFIG_OPTION_CHOICE       = 6, /* e.g. "one", "two", "three" */
+    CONFIG_OPTION_GRADIENT     = 7,
+    CONFIG_OPTION_VECTOR       = 8,
+};
+
+enum eConfigOptionFlags : uint32_t {
+    CONFIG_OPTION_FLAG_PERCENTAGE = (1 << 0),
+};
+
+struct SConfigOptionDescription {
+
+    struct SBoolData {
+        bool value = false;
+    };
+
+    struct SRangeData {
+        int value = 0, min = 0, max = 2;
+    };
+
+    struct SFloatData {
+        float value = 0, min = 0, max = 100;
+    };
+
+    struct SStringData {
+        std::string value;
+    };
+
+    struct SColorData {
+        CColor color;
+    };
+
+    struct SChoiceData {
+        int         firstIndex = 0;
+        std::string choices; // comma-separated
+    };
+
+    struct SGradientData {
+        std::string gradient;
+    };
+
+    struct SVectorData {
+        Vector2D vec, min, max;
+    };
+
+    std::string       value; // e.g. general:gaps_in
+    std::string       description;
+    std::string       specialCategory; // if value is special (e.g. device:abc) value will be abc and special device
+    bool              specialKey = false;
+    eConfigOptionType type       = CONFIG_OPTION_BOOL;
+    uint32_t          flags      = 0; // eConfigOptionFlags
+
+    std::string       jsonify() const;
+
+    //
+    std::variant<SBoolData, SRangeData, SFloatData, SStringData, SColorData, SChoiceData, SGradientData, SVectorData> data;
+};
+
 class CConfigManager {
   public:
     CConfigManager();
@@ -115,6 +179,8 @@ class CConfigManager {
     std::vector<SWindowRule>                                        getMatchingRules(PHLWINDOW, bool dynamic = true, bool shadowExec = false);
     std::vector<SLayerRule>                                         getMatchingRules(PHLLS);
 
+    const std::vector<SConfigOptionDescription>&                    getAllDescriptions();
+
     std::unordered_map<std::string, SMonitorAdditionalReservedArea> m_mAdditionalReservedAreas;
 
     std::unordered_map<std::string, SAnimationPropertyConfig>       getAnimationConfig();

src/debug/HyprCtl.cpp

@@ -1561,6 +1561,21 @@ std::string getIsLocked(eHyprCtlOutputFormat format, std::string request) {
     return lockedStr;
 }
 
+std::string getDescriptions(eHyprCtlOutputFormat format, std::string request) {
+    std::string json  = "{";
+    const auto& DESCS = g_pConfigManager->getAllDescriptions();
+
+    for (const auto& d : DESCS) {
+        json += d.jsonify() + ",\n";
+    }
+
+    json.pop_back();
+    json.pop_back();
+
+    json += "}\n";
+    return json;
+}
+
 CHyprCtl::CHyprCtl() {
     registerCommand(SHyprCtlCommand{"workspaces", true, workspacesRequest});
     registerCommand(SHyprCtlCommand{"workspacerules", true, workspaceRulesRequest});
@@ -1581,6 +1596,7 @@ CHyprCtl::CHyprCtl() {
     registerCommand(SHyprCtlCommand{"layouts", true, layoutsRequest});
     registerCommand(SHyprCtlCommand{"configerrors", true, configErrorsRequest});
     registerCommand(SHyprCtlCommand{"locked", true, getIsLocked});
+    registerCommand(SHyprCtlCommand{"descriptions", true, getDescriptions});
 
     registerCommand(SHyprCtlCommand{"monitors", false, monitorsRequest});
     registerCommand(SHyprCtlCommand{"reload", false, reloadRequest});

src/helpers/Color.cpp

@@ -21,6 +21,6 @@ CColor::CColor(uint64_t hex) {
     this->a = ALPHA(hex);
 }
 
-uint32_t CColor::getAsHex() {
+uint32_t CColor::getAsHex() const {
     return (uint32_t)(a * 255.f) * 0x1000000 + (uint32_t)(r * 255.f) * 0x10000 + (uint32_t)(g * 255.f) * 0x100 + (uint32_t)(b * 255.f) * 0x1;
 }

src/helpers/Color.hpp

@@ -10,7 +10,7 @@ class CColor {
 
     float    r = 0, g = 0, b = 0, a = 1.f;
 
-    uint32_t getAsHex();
+    uint32_t getAsHex() const;
 
     CColor   operator-(const CColor& c2) const {
         return CColor(r - c2.r, g - c2.g, b - c2.b, a - c2.a);

src/managers/input/InputManager.cpp

@@ -82,18 +82,13 @@ CInputManager::~CInputManager() {
 }
 
 void CInputManager::onMouseMoved(IPointer::SMotionEvent e) {
-    static auto PSENS      = CConfigValue<Hyprlang::FLOAT>("general:sensitivity");
+    static auto PNOACCEL = CConfigValue<Hyprlang::INT>("input:force_no_accel");
-    static auto PNOACCEL   = CConfigValue<Hyprlang::INT>("input:force_no_accel");
-    static auto PSENSTORAW = CConfigValue<Hyprlang::INT>("general:apply_sens_to_raw");
 
     const auto  DELTA = *PNOACCEL == 1 ? e.unaccel : e.delta;
 
-    if (*PSENSTORAW == 1)
+    PROTO::relativePointer->sendRelativeMotion((uint64_t)e.timeMs * 1000, DELTA, e.unaccel);
-        PROTO::relativePointer->sendRelativeMotion((uint64_t)e.timeMs * 1000, DELTA * *PSENS, e.unaccel * *PSENS);
-    else
-        PROTO::relativePointer->sendRelativeMotion((uint64_t)e.timeMs * 1000, DELTA, e.unaccel);
 
-    g_pPointerManager->move(DELTA * *PSENS);
+    g_pPointerManager->move(DELTA);
 
     mouseMoveUnified(e.timeMs);