impr: Added clip library to improve clipboard situation

lib/libimhex/CMakeLists.txt

@@ -42,6 +42,7 @@ set(LIBIMHEX_SOURCES
         source/helpers/keys.cpp
         source/helpers/freetype.cpp
         source/helpers/udp_server.cpp
+        source/helpers/clipboard.cpp
 
         source/test/tests.cpp
 
@@ -160,8 +161,7 @@ if (NOT IMHEX_EXTERNAL_PLUGIN_BUILD)
     endif()
 
     if (NOT EMSCRIPTEN)
-        # curl is only used in non-emscripten builds
-        target_link_libraries(libimhex ${LIBIMHEX_LIBRARY_TYPE} CURL::libcurl)
+        target_link_libraries(libimhex ${LIBIMHEX_LIBRARY_TYPE} CURL::libcurl clip)
     endif()
 
     target_include_directories(libimhex ${LIBIMHEX_LIBRARY_TYPE} ${MBEDTLS_INCLUDE_DIR} ${LIBBACKTRACE_INCLUDE_DIRS} ${MAGIC_INCLUDE_DIRS})

lib/libimhex/include/hex/helpers/clipboard.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <hex.hpp>
+#include <span>
+#include <string>
+#include <vector>
+
+namespace hex::clipboard {
+
+    void init();
+    void setBinaryData(std::span<const u8> data);
+    [[nodiscard]] std::vector<u8> getBinaryData();
+    void setTextData(const std::string &string);
+    [[nodiscard]] std::string getTextData();
+
+}

lib/libimhex/source/helpers/clipboard.cpp

@@ -0,0 +1,91 @@
+#include <hex/helpers/clipboard.hpp>
+
+#if __has_include(<clip.h>)
+    #define CLIP_LIBRARY
+#endif
+
+#if defined(CLIP_LIBRARY)
+    #include <clip.h>
+#else
+    #include <imgui.h>
+    #include <fmt/color.h>
+    #include <hex/helpers/utils.hpp>
+#endif
+
+namespace hex::clipboard {
+
+#if defined(CLIP_LIBRARY)
+
+    static clip::format s_binaryFormat;
+    static clip::format s_textFormat;
+
+    void init() {
+        s_binaryFormat = clip::register_format("net.werwolv.imhex.binary");
+        s_textFormat   = clip::text_format();
+    }
+
+    void setBinaryData(std::span<const u8> data) {
+        clip::lock l;
+        l.set_data(s_binaryFormat, reinterpret_cast<const char*>(data.data()), data.size());
+    }
+
+    std::vector<u8> getBinaryData() {
+        clip::lock l;
+
+        const auto size = l.get_data_length(s_binaryFormat);
+        std::vector<u8> data(size);
+        l.get_data(s_binaryFormat, reinterpret_cast<char*>(data.data()), size);
+
+        return data;
+    }
+
+    void setTextData(const std::string &string) {
+        clip::lock l;
+        l.set_data(s_textFormat, string.data(), string.size());
+    }
+
+    std::string getTextData() {
+        clip::lock l;
+
+        const auto size = l.get_data_length(s_binaryFormat);
+        std::string data(size, 0x00);
+        l.get_data(s_textFormat, data.data(), size);
+
+        return data;
+    }
+
+#else
+
+    void init() {}
+
+    void setBinaryData(std::span<const u8> data) {
+        constexpr static auto Format = "{0:02X} ";
+        std::string result;
+        result.reserve(fmt::format(Format, 0x00).size() * data.size_bytes());
+
+        for (const auto &byte : data)
+            result += fmt::format(Format, byte);
+        result.pop_back();
+
+        ImGui::SetClipboardText(result.c_str());
+    }
+
+    std::vector<u8> getBinaryData() {
+        auto clipboard = ImGui::GetClipboardText();
+        if (clipboard == nullptr)
+            return {};
+
+        return parseHexString(clipboard);
+    }
+
+    void setTextData(const std::string &string) {
+        ImGui::SetClipboardText(string.c_str());
+    }
+
+    std::string getTextData() {
+        return ImGui::GetClipboardText();
+    }
+
+#endif
+
+}