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Diffstat (limited to 'src/inkscape-main.cpp')
| -rw-r--r-- | src/inkscape-main.cpp | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/src/inkscape-main.cpp b/src/inkscape-main.cpp new file mode 100644 index 0000000..4b67220 --- /dev/null +++ b/src/inkscape-main.cpp @@ -0,0 +1,282 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Inkscape - an ambitious vector drawing program + * + * Authors: + * Tavmjong Bah + * + * (C) 2018 Tavmjong Bah + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#ifdef _WIN32 +#include <windows.h> // SetDllDirectoryW, SetConsoleOutputCP +#include <fcntl.h> // _O_BINARY +#include <boost/algorithm/string/join.hpp> +#endif + +#include "inkscape-application.h" +#include "path-prefix.h" +#include "streq.h" + +#include "io/resource.h" + +static void set_extensions_env() +{ + // add inkscape to PATH, so the correct version is always available to extensions by simply calling "inkscape" + char const *program_dir = get_program_dir(); + if (program_dir) { + gchar const *path = g_getenv("PATH"); + gchar *new_path = g_strdup_printf("%s" G_SEARCHPATH_SEPARATOR_S "%s", program_dir, path); + g_setenv("PATH", new_path, true); + g_free(new_path); + } + + // add various locations to PYTHONPATH so extensions find their modules + auto extensiondir_user = get_path_string(Inkscape::IO::Resource::USER, Inkscape::IO::Resource::EXTENSIONS); + auto extensiondir_system = get_path_string(Inkscape::IO::Resource::SYSTEM, Inkscape::IO::Resource::EXTENSIONS); + + auto pythonpath = extensiondir_user + G_SEARCHPATH_SEPARATOR + extensiondir_system; + + auto pythonpath_old = Glib::getenv("PYTHONPATH"); + if (!pythonpath_old.empty()) { + pythonpath += G_SEARCHPATH_SEPARATOR + pythonpath_old; + } + + pythonpath += G_SEARCHPATH_SEPARATOR + Glib::build_filename(extensiondir_system, "inkex", "deprecated-simple"); + + Glib::setenv("PYTHONPATH", pythonpath); + + // Python 2.x attempts to encode output as ASCII by default when sent to a pipe. + Glib::setenv("PYTHONIOENCODING", "UTF-8"); + +#ifdef _WIN32 + // add inkscape directory to DLL search path so dynamically linked extension modules find their libraries + // should be fixed in Python 3.8 (https://github.com/python/cpython/commit/2438cdf0e932a341c7613bf4323d06b91ae9f1f1) + char const *installation_dir = get_program_dir(); + wchar_t *installation_dir_w = (wchar_t *)g_utf8_to_utf16(installation_dir, -1, NULL, NULL, NULL); + SetDllDirectoryW(installation_dir_w); + g_free(installation_dir_w); +#endif +} + +/** + * Adds the local inkscape directory to the XDG_DATA_DIRS so themes and other Gtk + * resources which are specific to inkscape installations can be used. + */ +static void set_themes_env() +{ + std::string xdg_data_dirs = Glib::getenv("XDG_DATA_DIRS"); + + if (xdg_data_dirs.empty()) { + // initialize with reasonable defaults (should match what glib would do if the variable were unset!) +#ifdef _WIN32 + // g_get_system_data_dirs is actually not cached on Windows, + // so we can just call it directly and modify XDG_DATA_DIRS later + auto data_dirs = Glib::get_system_data_dirs(); + xdg_data_dirs = boost::join(data_dirs, G_SEARCHPATH_SEPARATOR_S); +#elif defined(__APPLE__) + // we don't know what the default is, differs for MacPorts, Homebrew, etc. + return; +#else + // initialize with glib default (don't call g_get_system_data_dirs; it's cached!) + xdg_data_dirs = "/usr/local/share/:/usr/share/"; +#endif + } + + std::string inkscape_datadir = Glib::build_filename(get_inkscape_datadir(), "inkscape"); + Glib::setenv("XDG_DATA_DIRS", xdg_data_dirs + G_SEARCHPATH_SEPARATOR_S + inkscape_datadir); +} + +#ifdef __APPLE__ +static void set_macos_app_bundle_env(gchar const *program_dir) +{ + // use bundle identifier + // https://developer.apple.com/library/archive/documentation/FileManagement/Conceptual/FileSystemProgrammingGuide/MacOSXDirectories/MacOSXDirectories.html + auto app_support_dir = Glib::getenv("HOME") + "/Library/Application Support/org.inkscape.Inkscape"; + + auto bundle_resources_dir = Glib::path_get_dirname(get_inkscape_datadir()); + auto bundle_resources_etc_dir = bundle_resources_dir + "/etc"; + auto bundle_resources_bin_dir = bundle_resources_dir + "/bin"; + auto bundle_resources_lib_dir = bundle_resources_dir + "/lib"; + auto bundle_resources_share_dir = bundle_resources_dir + "/share"; + + // failsafe: Check if the expected content is really there, using GIO modules + // as an indicator. + // This is also helpful to developers as it enables the possibility to + // 1. cmake -DCMAKE_INSTALL_PREFIX=Inkscape.app/Contents/Resources + // 2. move binary to Inkscape.app/Contents/MacOS and set rpath + // 3. copy Info.plist + // to ease up on testing and get correct application behavior (like dock icon). + if (!Glib::file_test(bundle_resources_lib_dir + "/gio/modules", Glib::FILE_TEST_EXISTS)) { + // doesn't look like a standalone bundle + return; + } + + // XDG + // https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html + Glib::setenv("XDG_DATA_HOME", app_support_dir + "/share"); + Glib::setenv("XDG_DATA_DIRS", bundle_resources_share_dir); + Glib::setenv("XDG_CONFIG_HOME", app_support_dir + "/config"); + Glib::setenv("XDG_CONFIG_DIRS", bundle_resources_etc_dir + "/xdg"); + Glib::setenv("XDG_CACHE_HOME", app_support_dir + "/cache"); + + // GTK + // https://developer.gnome.org/gtk3/stable/gtk-running.html + Glib::setenv("GTK_EXE_PREFIX", bundle_resources_dir); + Glib::setenv("GTK_DATA_PREFIX", bundle_resources_dir); + + // GDK + Glib::setenv("GDK_PIXBUF_MODULE_FILE", bundle_resources_lib_dir + "/gdk-pixbuf-2.0/2.10.0/loaders.cache"); + + // fontconfig + Glib::setenv("FONTCONFIG_PATH", bundle_resources_etc_dir + "/fonts"); + + // GIO + Glib::setenv("GIO_MODULE_DIR", bundle_resources_lib_dir + "/gio/modules"); + + // GNOME introspection + Glib::setenv("GI_TYPELIB_PATH", bundle_resources_lib_dir + "/girepository-1.0"); + + // libenchant + Glib::setenv("ENCHANT_PREFIX", bundle_resources_dir); + + // PATH + Glib::setenv("PATH", bundle_resources_bin_dir + ":" + Glib::getenv("PATH")); + + // DYLD_LIBRARY_PATH + // This is required to make Python GTK bindings work as they use dlopen() + // to load libraries. + Glib::setenv("DYLD_LIBRARY_PATH", bundle_resources_lib_dir + ":" + + bundle_resources_lib_dir + "/gdk-pixbuf-2.0/2.10.0/loaders"); +} +#endif + +/** + * Convert some legacy 0.92.x command line options to 1.0.x options. + * @param[in,out] argc The main() argc argument, will be modified + * @param[in,out] argv The main() argv argument, will be modified + */ +static void convert_legacy_options(int &argc, char **&argv) +{ + static std::vector<char *> argv_new; + char *file = nullptr; + + for (int i = 0; i < argc; ++i) { + if (streq(argv[i], "--without-gui") || streq(argv[i], "-z")) { + std::cerr << "Warning: Option --without-gui= is deprecated" << std::endl; + continue; + } + + if (g_str_has_prefix(argv[i], "--file=")) { + std::cerr << "Warning: Option --file= is deprecated" << std::endl; + file = argv[i] + 7; + continue; + } + + bool found_legacy_export = false; + + for (char const *type : { "png", "pdf", "ps", "eps", "emf", "wmf", "plain-svg" }) { + auto s = std::string("--export-").append(type).append("="); + if (g_str_has_prefix(argv[i], s.c_str())) { + std::cerr << "Warning: Option " << s << " is deprecated" << std::endl; + + if (streq(type, "plain-svg")) { + argv_new.push_back(g_strdup("--export-plain-svg")); + type = "svg"; + } + + argv_new.push_back(g_strdup_printf("--export-type=%s", type)); + argv_new.push_back(g_strdup_printf("--export-filename=%s", argv[i] + s.size())); + + found_legacy_export = true; + break; + } + } + + if (found_legacy_export) { + continue; + } + + argv_new.push_back(argv[i]); + } + + if (file) { + argv_new.push_back(file); + } + + argc = argv_new.size(); + argv = argv_new.data(); +} + +int main(int argc, char *argv[]) +{ + convert_legacy_options(argc, argv); + +#ifdef __APPLE__ + { // Check if we're inside an application bundle and adjust environment + // accordingly. + + char const *program_dir = get_program_dir(); + if (g_str_has_suffix(program_dir, "Contents/MacOS")) { + + // Step 1 + // Remove macOS session identifier from command line arguments. + // Code adopted from GIMP's app/main.c + + int new_argc = 0; + for (int i = 0; i < argc; i++) { + // Rewrite argv[] without "-psn_..." argument. + if (!g_str_has_prefix(argv[i], "-psn_")) { + argv[new_argc] = argv[i]; + new_argc++; + } + } + if (argc > new_argc) { + argv[new_argc] = nullptr; // glib expects null-terminated array + argc = new_argc; + } + + // Step 2 + // In the past, a launch script/wrapper was used to setup necessary environment + // variables to facilitate relocatability for the application bundle. Starting + // with Catalina, this approach is no longer feasible due to new security checks + // that get misdirected by using a launcher. The launcher needs to go and the + // binary needs to setup the environment itself. + + set_macos_app_bundle_env(program_dir); + } + } +#elif defined _WIN32 + // temporarily switch console encoding to UTF8 while Inkscape runs + // as everything else is a mess and it seems to work just fine + const unsigned int initial_cp = GetConsoleOutputCP(); + SetConsoleOutputCP(CP_UTF8); + fflush(stdout); // empty buffer, just to be safe (see warning in documentation for _setmode) + _setmode(_fileno(stdout), _O_BINARY); // binary mode seems required for this to work properly +#endif + + set_themes_env(); + set_extensions_env(); + + auto ret = InkscapeApplication::singleton().gio_app()->run(argc, argv); + +#ifdef _WIN32 + // switch back to initial console encoding + SetConsoleOutputCP(initial_cp); +#endif + + return ret; +} + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 : |