118 lines
4.1 KiB
C++
118 lines
4.1 KiB
C++
#include <hex/api/theme_manager.hpp>
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#include <hex/helpers/logger.hpp>
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#include <hex/helpers/utils.hpp>
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#include <nlohmann/json.hpp>
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namespace hex::api {
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std::map<std::string, nlohmann::json> ThemeManager::s_themes;
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std::map<std::string, std::function<void(std::string, std::string)>> ThemeManager::s_themeHandlers, ThemeManager::s_styleHandlers;
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std::string ThemeManager::s_imagePostfix;
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void ThemeManager::addThemeHandler(const std::string &name, const std::function<void(std::string, std::string)> &handler) {
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s_themeHandlers[name] = handler;
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}
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void ThemeManager::addStyleHandler(const std::string &name, const std::function<void(std::string, std::string)> &handler) {
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s_styleHandlers[name] = handler;
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}
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void ThemeManager::addTheme(const std::string &content) {
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auto theme = nlohmann::json::parse(content);
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if (theme.contains("name") && theme.contains("colors")) {
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s_themes[theme["name"].get<std::string>()] = theme;
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} else {
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hex::log::error("Invalid theme file");
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}
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}
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std::optional<ImColor> ThemeManager::parseColorString(const std::string &colorString) {
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if (colorString.length() != 9 || colorString[0] != '#')
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return std::nullopt;
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u32 color = 0;
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for (u32 i = 1; i < 9; i++) {
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color <<= 4;
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if (colorString[i] >= '0' && colorString[i] <= '9')
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color |= colorString[i] - '0';
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else if (colorString[i] >= 'A' && colorString[i] <= 'F')
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color |= colorString[i] - 'A' + 10;
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else if (colorString[i] >= 'a' && colorString[i] <= 'f')
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color |= colorString[i] - 'a' + 10;
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else
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return std::nullopt;
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}
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return ImColor(hex::changeEndianess(color, std::endian::big));
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}
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void ThemeManager::changeTheme(std::string name) {
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if (!s_themes.contains(name)) {
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if (s_themes.empty()) {
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hex::log::error("Theme '{}' does not exist and no other themes are available!", name);
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return;
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} else {
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const std::string &defaultTheme = s_themes.begin()->first;
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hex::log::error("Theme '{}' does not exist, using default theme '{}' instead!", name, defaultTheme);
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name = defaultTheme;
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}
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}
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const auto &theme = s_themes[name];
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if (theme.contains("base")) {
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if (theme["base"].is_string()) {
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changeTheme(theme["base"].get<std::string>());
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} else {
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hex::log::error("Theme '{}' has invalid base theme!", name);
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}
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}
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if (theme.contains("colors")) {
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for (const auto&[type, content] : theme["colors"].items()) {
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if (!s_themeHandlers.contains(type)) {
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log::warn("No theme handler found for '{}'", type);
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continue;
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}
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for (const auto &[key, value] : content.items())
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s_themeHandlers[type](key, value.get<std::string>());
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}
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}
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if (theme.contains("styles")) {
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for (const auto&[key, value] : theme["styles"].items()) {
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if (!s_styleHandlers.contains(key)) {
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log::warn("No style handler found for '{}'", key);
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continue;
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}
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s_styleHandlers[key](name, value.get<std::string>());
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}
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}
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if (theme.contains("image_postfix")) {
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if (theme["image_postfix"].is_string()) {
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s_imagePostfix = theme["image_postfix"].get<std::string>();
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} else {
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hex::log::error("Theme '{}' has invalid image postfix!", name);
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}
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}
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}
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const std::string &ThemeManager::getThemeImagePostfix() {
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return s_imagePostfix;
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}
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std::vector<std::string> ThemeManager::getThemeNames() {
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std::vector<std::string> themeNames;
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for (const auto &[name, theme] : s_themes)
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themeNames.push_back(name);
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return themeNames;
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}
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} |