feat: Added font picker to the settings (#1570)

main/gui/source/window/linux_window.cpp

@@ -47,6 +47,31 @@ namespace hex {
         } // Hopefully one of these commands is installed
     }
 
+    void enumerateFonts() {
+        const std::array FontDirectories = {
+            "/usr/share/fonts",
+            "/usr/local/share/fonts",
+            "~/.fonts",
+            "~/.local/share/fonts"
+        };
+
+        for (const auto &directory : FontDirectories) {
+            if (!std::fs::exists(directory))
+                continue;
+
+            for (const auto &entry : std::fs::recursive_directory_iterator(directory)) {
+                if (!entry.exists())
+                    continue;
+                if (!entry.is_regular_file())
+                    continue;
+                if (entry.path().extension() != ".ttf" && entry.path().extension() != ".otf")
+                    continue;
+
+                registerFont(entry.path().stem().c_str(), entry.path().c_str());
+            }
+        }
+    }
+
     void Window::initNative() {
         log::impl::enableColorPrinting();
 
@@ -65,6 +90,8 @@ namespace hex {
         if (!isatty(STDOUT_FILENO)) {
             log::impl::redirectToFile();
         }
+
+        enumerateFonts();
     }
 
     void Window::setupNativeWindow() {

main/gui/source/window/macos_window.cpp

@@ -38,6 +38,8 @@ namespace hex {
         if (!isatty(STDOUT_FILENO)) {
             log::impl::redirectToFile();
         }
+
+        enumerateFontsMacos();
     }
 
     void Window::setupNativeWindow() {

main/gui/source/window/win_window.cpp

@@ -268,6 +268,46 @@ namespace hex {
         dup2(unboundFd, stdFileDescriptor);
     }
 
+    void enumerateFonts() {
+        constexpr static auto FontRegistryPath = L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts";
+
+        static const std::array RegistryLocations = {
+            HKEY_LOCAL_MACHINE,
+            HKEY_CURRENT_USER
+        };
+
+        for (const auto location : RegistryLocations) {
+            HKEY key;
+            if (RegOpenKeyExW(location, FontRegistryPath, 0, KEY_READ, &key) != ERROR_SUCCESS) {
+                continue;
+            }
+
+            DWORD index = 0;
+            std::wstring valueName(0xFFF, L'\0');
+            DWORD valueNameSize = valueName.size() * sizeof(wchar_t);
+            std::wstring valueData(0xFFF, L'\0');
+            DWORD valueDataSize = valueData.size() * sizeof(wchar_t);
+            DWORD valueType;
+
+            while (RegEnumValueW(key, index, valueName.data(), &valueNameSize, nullptr, &valueType, reinterpret_cast<BYTE *>(valueData.data()), &valueDataSize) == ERROR_SUCCESS) {
+                if (valueType == REG_SZ) {
+                    auto fontName = hex::utf16ToUtf8(valueName.c_str());
+                    auto fontPath = std::fs::path(valueData);
+                    if (fontPath.is_relative())
+                        fontPath = std::fs::path("C:\\Windows\\Fonts") / fontPath;
+
+                    registerFont(fontName.c_str(), wolv::util::toUTF8String(fontPath).c_str());
+                }
+
+                valueNameSize = valueName.size();
+                valueDataSize = valueData.size();
+                index++;
+            }
+
+            RegCloseKey(key);
+        }
+    }
+
 
     void Window::initNative() {
         if (ImHexApi::System::isDebugBuild()) {
@@ -301,6 +341,8 @@ namespace hex {
             if (std::fs::exists(path))
                 AddDllDirectory(path.c_str());
         }
+
+        enumerateFonts();
     }
 
     class DropManager : public IDropTarget {
@@ -486,7 +528,6 @@ namespace hex {
         });
 
         ImGui::GetIO().ConfigDebugIsDebuggerPresent = ::IsDebuggerPresent();
-
     }
 
     void Window::beginNativeWindowFrame() {