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https://github.com/WerWolv/ImHex.git
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impr: Clean up window setup code
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WerWolv
199
main/gui/source/window/platform/linux.cpp
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199
main/gui/source/window/platform/linux.cpp
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#include "window.hpp"
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#if defined(OS_LINUX)
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#include <hex/api/imhex_api.hpp>
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#include <hex/api/content_registry.hpp>
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#include <hex/api/events/events_gui.hpp>
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#include <hex/api/events/events_interaction.hpp>
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#include <hex/api/events/requests_gui.hpp>
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#include <hex/helpers/utils.hpp>
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#include <hex/helpers/utils_linux.hpp>
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#include <hex/helpers/logger.hpp>
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#include <hex/helpers/default_paths.hpp>
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#include <wolv/utils/core.hpp>
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#include <nlohmann/json.hpp>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <GLFW/glfw3.h>
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#include <imgui_impl_glfw.h>
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#include <string.h>
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#include <ranges>
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#if defined(IMHEX_HAS_FONTCONFIG)
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#include <fontconfig/fontconfig.h>
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#endif
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namespace hex {
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bool isFileInPath(const std::fs::path &filename) {
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auto optPathVar = hex::getEnvironmentVariable("PATH");
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if (!optPathVar.has_value()) {
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log::error("Could not find variable named PATH");
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return false;
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}
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for (auto dir : std::views::split(optPathVar.value(), ':')) {
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if (std::fs::exists(std::fs::path(std::string_view(dir)) / filename)) {
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return true;
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}
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}
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return false;
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}
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void nativeErrorMessage(const std::string &message) {
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log::fatal("{}", message);
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if (isFileInPath("zenity")) {
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executeCmd({"zenity", "--error", "--text", message});
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} else if (isFileInPath("notify-send")) {
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executeCmd({"notify-send", "-i", "script-error", "Error", message});
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} // Hopefully one of these commands is installed
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}
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#if defined(IMHEX_HAS_FONTCONFIG)
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static bool enumerateFontConfig() {
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if (!FcInit())
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return false;
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ON_SCOPE_EXIT { FcFini(); };
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auto fonts = FcConfigGetFonts(nullptr, FcSetSystem);
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if (fonts == nullptr)
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return false;
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for (int i = 0; i < fonts->nfont; ++i) {
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auto font = fonts->fonts[i];
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FcChar8 *file, *fullName;
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if (FcPatternGetString(font, FC_FILE, 0, &file) != FcResultMatch) {
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continue;
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}
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if (FcPatternGetString(font, FC_FULLNAME, 0, &fullName) != FcResultMatch
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&& FcPatternGetString(font, FC_FAMILY, 0, &fullName) != FcResultMatch) {
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continue;
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}
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registerFont(reinterpret_cast<const char *>(fullName), reinterpret_cast<const char *>(file));
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}
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return true;
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}
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#endif
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void enumerateFonts() {
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#if defined(IMHEX_HAS_FONTCONFIG)
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if (enumerateFontConfig())
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return;
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#endif
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const std::array FontDirectories = {
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"/usr/share/fonts",
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"/usr/local/share/fonts",
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"~/.fonts",
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"~/.local/share/fonts"
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};
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for (const auto &directory : FontDirectories) {
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if (!std::fs::exists(directory))
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continue;
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for (const auto &entry : std::fs::recursive_directory_iterator(directory)) {
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if (!entry.exists())
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continue;
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if (!entry.is_regular_file())
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continue;
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if (entry.path().extension() != ".ttf" && entry.path().extension() != ".otf")
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continue;
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registerFont(entry.path().stem().c_str(), entry.path().c_str());
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}
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}
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}
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void Window::configureGLFW() {
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#if defined(GLFW_SCALE_FRAMEBUFFER)
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glfwWindowHint(GLFW_SCALE_FRAMEBUFFER, GLFW_TRUE);
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#endif
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glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
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glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
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glfwWindowHint(GLFW_DECORATED, ImHexApi::System::isBorderlessWindowModeEnabled() ? GL_FALSE : GL_TRUE);
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glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE);
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#if defined(GLFW_WAYLAND_APP_ID)
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glfwWindowHintString(GLFW_WAYLAND_APP_ID, "imhex");
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#endif
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}
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void Window::initNative() {
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log::impl::enableColorPrinting();
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// Add plugin library folders to dll search path
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for (const auto &path : paths::Libraries.read()) {
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if (std::fs::exists(path))
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setenv("LD_LIBRARY_PATH", fmt::format("{}:{}", hex::getEnvironmentVariable("LD_LIBRARY_PATH").value_or(""), path.string().c_str()).c_str(), true);
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}
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// Redirect stdout to log file if we're not running in a terminal
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if (!isatty(STDOUT_FILENO)) {
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log::impl::redirectToFile();
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}
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enumerateFonts();
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}
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void Window::setupNativeWindow() {
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bool themeFollowSystem = ImHexApi::System::usesSystemThemeDetection();
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EventOSThemeChanged::subscribe(this, [themeFollowSystem] {
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if (!themeFollowSystem) return;
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std::array<char, 128> buffer = { 0 };
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std::string result;
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// Ask dbus for the current theme. 1 for Dark, 2 for Light, 0 for default (Dark for ImHex)
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// https://flatpak.github.io/xdg-desktop-portal/docs/doc-org.freedesktop.portal.Settings.html
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FILE *pipe = popen("dbus-send --session --print-reply --dest=org.freedesktop.portal.Desktop /org/freedesktop/portal/desktop org.freedesktop.portal.Settings.Read string:'org.freedesktop.appearance' string:'color-scheme' 2>&1", "r");
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if (pipe == nullptr) return;
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while (fgets(buffer.data(), buffer.size() - 1, pipe) != nullptr)
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result += buffer.data();
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auto exitCode = WEXITSTATUS(pclose(pipe));
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if (exitCode != 0) return;
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RequestChangeTheme::post(hex::containsIgnoreCase(result, "uint32 2") ? "Light" : "Dark");
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});
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// Register file drop callback
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glfwSetDropCallback(m_window, [](GLFWwindow *, int count, const char **paths) {
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for (int i = 0; i < count; i++) {
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EventFileDropped::post(reinterpret_cast<const char8_t *>(paths[i]));
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}
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});
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glfwSetWindowRefreshCallback(m_window, [](GLFWwindow *window) {
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auto win = static_cast<Window *>(glfwGetWindowUserPointer(window));
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win->fullFrame();
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});
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if (themeFollowSystem)
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EventOSThemeChanged::post();
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}
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void Window::beginNativeWindowFrame() {
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}
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void Window::endNativeWindowFrame() {
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}
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}
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#endif
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