56b02f8598
- switch portable to use gui frontend - add version resource and icon to portable - Regenerate openslides.exe
127 lines
2.3 KiB
C
127 lines
2.3 KiB
C
/*
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:copyright: 2012 by OpenSlides team, see AUTHORS.
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:license: GNU GPL, see LICENSE for more details.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#define _WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <Python.h>
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static const char *run_openslides_code =
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"import openslides_gui.gui;"
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"openslides_gui.gui.main()";
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/* determine the path to the executable
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* NOTE: Py_GetFullProgramPath() can't be used because
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* this would trigger pythons search-path initialization
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* But we need this to initialize PYTHONHOME before this happens
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*/
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static char *
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_get_module_name()
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{
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size_t size = 1;
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char *name = NULL;
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int i;
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/* a path > 40k would be insane, it is more likely something
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* else has gone very wrong on the system
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*/
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for (i = 0;i < 10; i++)
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{
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DWORD res;
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char *n;
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n = realloc(name, size);
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if (!n)
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{
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free(name);
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return NULL;
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}
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name = n;
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res = GetModuleFileNameA(NULL, name, size);
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if (res != 0 && res < size)
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{
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return name;
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}
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else if (res == size)
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{
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/* NOTE: Don't check GetLastError() == ERROR_INSUFFICIENT_BUFFER
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* here, it isn't set consistently across all platforms
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*/
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size += 4096;
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}
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else
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{
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DWORD err = GetLastError();
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fprintf(stderr, "WARNING: GetModuleFileName() failed "
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"(res = %d, err = %d)", res, err);
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free(name);
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return NULL;
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}
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}
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return NULL;
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}
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static int
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_run()
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{
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if (PyRun_SimpleString(run_openslides_code) != 0)
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{
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fprintf(stderr, "ERROR: failed to execute openslides\n");
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return 1;
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}
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return 0;
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}
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int WINAPI
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WinMain(HINSTANCE inst, HINSTANCE prev_inst, LPSTR cmdline, int show)
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{
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int returncode;
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int run_py_main = __argc > 1;
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char *py_home, *sep = NULL;
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Py_SetProgramName(__argv[0]);
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py_home = _get_module_name();
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if (py_home)
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sep = strrchr(py_home, '\\');
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/* should always be the true */
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if (sep)
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{
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*sep = '\0';
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Py_SetPythonHome(py_home);
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Py_IgnoreEnvironmentFlag = 1;
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}
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if (run_py_main)
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{
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/* we where given extra arguments, behave like python.exe */
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returncode = Py_Main(__argc, __argv);
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}
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else
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{
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/* no arguments given => start openslides gui */
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Py_Initialize();
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PySys_SetArgvEx(__argc, __argv, 0);
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returncode = _run();
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Py_Finalize();
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}
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free(py_home);
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return returncode;
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}
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