tools/win32-launcher/gpodder.c

   1
   2 /**
   3  * gPodder - A media aggregator and podcast client
   4  * Copyright (c) 2005-2011 Thomas Perl and the gPodder Team
   5  *
   6  * gPodder is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * gPodder is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  **/
  19
  20
  21 /**
  22  * gPodder for Windows
  23  * Thomas Perl <thp@gpodder.org>; 2011-11-06
  24  **/
  25
  26
  27 #include <windows.h>
  28 #include <shlobj.h>
  29
  30 #include <stdlib.h>
  31 #include <shellapi.h>
  32 #include <string.h>
  33
  34 #define PROGNAME "gPodder"
  35
  36 #define BAILOUT(s) { \
  37     MessageBox(NULL, s, "Error launching " PROGNAME, MB_OK); \
  38     exit(1); \
  39 }
  40
  41 #if defined(GPODDER_GUI)
  42 # define MAIN_MODULE "bin\\gpodder"
  43 #else
  44 # define MAIN_MODULE "bin\\gpo"
  45 #endif
  46
  47 #define PYTHON_INSTALLER_FILE "python-2.7.2.msi"
  48 #define PYTHON_INSTALLER_SIZE 15970304L
  49 #define PYGTK_INSTALLER_FILE "pygtk-all-in-one-2.24.0.win32-py2.7.msi"
  50 #define PYGTK_INSTALLER_SIZE 33583548L
  51
  52 #define PYTHON_INSTALLER_URL \
  53     "http://python.org/ftp/python/2.7.2/" \
  54     PYTHON_INSTALLER_FILE
  55
  56 #define PYGTK_INSTALLER_URL \
  57     "http://ftp.gnome.org/pub/GNOME/binaries/win32/pygtk/2.24/" \
  58     PYGTK_INSTALLER_FILE
  59
  60 #define LOOKUP_FUNCTION(x) {x = GetProcAddress(python_dll, #x); \
  61     if(x == NULL) {BAILOUT("Cannot find function: " #x);}}
  62
  63 int main(int argc, char** argv)
  64 {
  65     char path_env[MAX_PATH];
  66     char current_dir[MAX_PATH];
  67     char *endmarker = NULL;
  68     int i;
  69     void *MainPy;
  70     void *GtkModule;
  71     int _argc = 1;
  72     char *_argv[] = { MAIN_MODULE };
  73     TCHAR gPodder_Home[MAX_PATH];
  74
  75     HMODULE python_dll;
  76     FARPROC Py_Initialize;
  77     FARPROC PySys_SetArgvEx;
  78     FARPROC PyImport_ImportModule;
  79     FARPROC PyFile_FromString;
  80     FARPROC PyFile_AsFile;
  81     FARPROC PyRun_SimpleFile;
  82     FARPROC Py_Finalize;
  83
  84 #if defined(GPODDER_CLI)
  85     SetConsoleTitle(PROGNAME);
  86 #endif
  87
  88     if (getenv("GPODDER_HOME") == NULL) {
  89         /* Get path to the "My Documents" folder */
  90         if (SHGetFolderPath(NULL,
  91                     CSIDL_PERSONAL | CSIDL_FLAG_CREATE,
  92                     NULL,
  93                     0,
  94                     gPodder_Home) != S_OK) {
  95             BAILOUT("Cannot determine your home directory (SHGetFolderPath).");
  96         }
  97
  98         strncat(gPodder_Home, "\\gPodder", MAX_PATH);
  99         if (SetEnvironmentVariable("GPODDER_HOME", gPodder_Home) == 0) {
 100             BAILOUT("SetEnvironmentVariable for GPODDER_HOME failed.");
 101         }
 102     }
 103
 104     /* Set current directory to directory of launcher */
 105     strncpy(current_dir, argv[0], MAX_PATH);
 106     endmarker = strrchr(current_dir, '\\');
 107     if (endmarker == NULL) {
 108         endmarker = strrchr(current_dir, '/');
 109     }
 110     if (endmarker != NULL) {
 111         *endmarker = '\0';
 112         /* We know the folder where the launcher sits - cd into it */
 113         if (SetCurrentDirectory(current_dir) == 0) {
 114             BAILOUT("Cannot set current directory.");
 115         }
 116     }
 117
 118     /* Only load the Python DLL after we've set up the environment */
 119     python_dll = LoadLibrary("python27.dll");
 120
 121     if (python_dll == NULL) {
 122         if (MessageBox(NULL,
 123                 PROGNAME " requires Python 2.7.\n"
 124                 "Do you want to install it now?",
 125                 "Python 2.7 installation not found",
 126                 MB_YESNO | MB_ICONQUESTION) == IDYES) {
 127             if (DownloadFile(PYTHON_INSTALLER_FILE,
 128                         PYTHON_INSTALLER_URL,
 129                         PYTHON_INSTALLER_SIZE) == PYTHON_INSTALLER_SIZE) {
 130                 ShellExecute(NULL,
 131                         "open",
 132                         PYTHON_INSTALLER_FILE,
 133                         NULL,
 134                         NULL,
 135                         SW_SHOWNORMAL);
 136             }
 137         }
 138
 139         return 1;
 140     }
 141
 142     LOOKUP_FUNCTION(Py_Initialize);
 143     LOOKUP_FUNCTION(PySys_SetArgvEx);
 144     LOOKUP_FUNCTION(PyImport_ImportModule);
 145     LOOKUP_FUNCTION(PyFile_FromString);
 146     LOOKUP_FUNCTION(PyFile_AsFile);
 147     LOOKUP_FUNCTION(PyRun_SimpleFile);
 148     LOOKUP_FUNCTION(Py_Finalize);
 149
 150     Py_Initialize();
 151     argv[0] = MAIN_MODULE;
 152     PySys_SetArgvEx(argc, argv, 0);
 153
 154 #if defined(GPODDER_GUI)
 155     /* Check for GTK, but not if we are running the CLI */
 156     GtkModule = (void*)PyImport_ImportModule("gtk");
 157     if (GtkModule == NULL) {
 158         if (MessageBox(NULL,
 159                 PROGNAME " requires PyGTK.\n"
 160                 "Do you want to install it now?",
 161                 "PyGTK installation not found",
 162                 MB_YESNO | MB_ICONQUESTION) == IDYES) {
 163             if (DownloadFile(PYGTK_INSTALLER_FILE,
 164                         PYGTK_INSTALLER_URL,
 165                         PYGTK_INSTALLER_SIZE) == PYGTK_INSTALLER_SIZE) {
 166                 ShellExecute(NULL,
 167                         "open",
 168                         PYGTK_INSTALLER_FILE,
 169                         NULL,
 170                         NULL,
 171                         SW_SHOWNORMAL);
 172             }
 173         }
 174
 175         return 1;
 176     }
 177     // decref GtkModule
 178 #endif
 179
 180     // XXX: Test for feedparser, mygpoclient, dbus
 181
 182     MainPy = (void*)PyFile_FromString(MAIN_MODULE, "r");
 183     if (MainPy == NULL) { BAILOUT("Cannot load main file") }
 184     if (PyRun_SimpleFile(PyFile_AsFile(MainPy), MAIN_MODULE) != 0) {
 185         BAILOUT("There was an error running " MAIN_MODULE " in Python.");
 186     }
 187     // decref MainPy
 188     Py_Finalize();
 189
 190     return 0;
 191 }
 192