winstuff.c

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/*
 * $Id: winstuff.c 36426 2011-05-02 08:07:24Z jesterking $
 *
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 * Windows-posix compatibility layer, windows-specific functions.
 */

#ifdef WIN32

#include <stdlib.h>
#include <stdio.h>
#include <conio.h>

#include "MEM_guardedalloc.h"
#include "BLI_path_util.h"
#include "BLI_string.h"

#include "BKE_utildefines.h"
#include "BKE_global.h"

#define WIN32_SKIP_HKEY_PROTECTION              // need to use HKEY
#include "BLI_winstuff.h"

 /* FILE_MAXDIR + FILE_MAXFILE */

int BLI_getInstallationDir( char * str ) {
        char dir[FILE_MAXDIR];
        char file[FILE_MAXFILE];
        int a;
        
        GetModuleFileName(NULL,str,FILE_MAXDIR+FILE_MAXFILE);
        BLI_split_dirfile(str,dir,file); /* shouldn't be relative */
        a = strlen(dir);
        if(dir[a-1] == '\\') dir[a-1]=0;
        
        strcpy(str,dir);
        
        return 1;
}

void RegisterBlendExtension_Fail(HKEY root)
{
        printf("failed\n");
        if (root)
                RegCloseKey(root);
        if (!G.background)
                MessageBox(0,"Could not register file extension.","Blender error",MB_OK|MB_ICONERROR);
        TerminateProcess(GetCurrentProcess(),1);
}

void RegisterBlendExtension(void) {
        LONG lresult;
        HKEY hkey = 0;
        HKEY root = 0;
        BOOL usr_mode = FALSE;
        DWORD dwd = 0;
        char buffer[256];

        char BlPath[MAX_PATH];
        char InstallDir[FILE_MAXDIR];
        char SysDir[FILE_MAXDIR];
        const char* ThumbHandlerDLL;
        char RegCmd[MAX_PATH*2];
        char MBox[256];
        BOOL IsWOW64;

        printf("Registering file extension...");
        GetModuleFileName(0,BlPath,MAX_PATH);

        // root is HKLM by default
        lresult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Classes", 0, KEY_ALL_ACCESS, &root);
        if (lresult != ERROR_SUCCESS)
        {
                // try HKCU on failure
                usr_mode = TRUE;
                lresult = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Classes", 0, KEY_ALL_ACCESS, &root);
                if (lresult != ERROR_SUCCESS)
                        RegisterBlendExtension_Fail(0);
        }

        lresult = RegCreateKeyEx(root, "blendfile", 0,
                NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, &dwd);
        if (lresult == ERROR_SUCCESS) {
                sprintf(buffer,"%s","Blender File");
                lresult = RegSetValueEx(hkey, NULL, 0, REG_SZ, (BYTE*)buffer, strlen(buffer) + 1);
                RegCloseKey(hkey);
        }
        if (lresult != ERROR_SUCCESS)
                RegisterBlendExtension_Fail(root);

        lresult = RegCreateKeyEx(root, "blendfile\\shell\\open\\command", 0,
                NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, &dwd);
        if (lresult == ERROR_SUCCESS) {
                sprintf(buffer, "\"%s\" \"%%1\"", BlPath);
                lresult = RegSetValueEx(hkey, NULL, 0, REG_SZ, (BYTE*)buffer, strlen(buffer) + 1);
                RegCloseKey(hkey);
        }
        if (lresult != ERROR_SUCCESS)
                RegisterBlendExtension_Fail(root);

        lresult = RegCreateKeyEx(root, "blendfile\\DefaultIcon", 0,
                NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, &dwd);
        if (lresult == ERROR_SUCCESS) {
                sprintf(buffer, "\"%s\",1", BlPath);
                lresult = RegSetValueEx(hkey, NULL, 0, REG_SZ, (BYTE*)buffer, strlen(buffer) + 1);
                RegCloseKey(hkey);
        }
        if (lresult != ERROR_SUCCESS)
                RegisterBlendExtension_Fail(root);

        lresult = RegCreateKeyEx(root, ".blend", 0,
                NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, &dwd);
        if (lresult == ERROR_SUCCESS) {
                sprintf(buffer, "%s", "blendfile");
                lresult = RegSetValueEx(hkey, NULL, 0, REG_SZ, (BYTE*)buffer, strlen(buffer) + 1);
                RegCloseKey(hkey);
        }
        if (lresult != ERROR_SUCCESS)
                RegisterBlendExtension_Fail(root);
        
        BLI_getInstallationDir(InstallDir);
        GetSystemDirectory(SysDir,FILE_MAXDIR);
#ifdef WIN64
        ThumbHandlerDLL = "BlendThumb64.dll";
#else
        IsWow64Process(GetCurrentProcess(),&IsWOW64);
        if (IsWOW64 == TRUE)
                ThumbHandlerDLL = "BlendThumb64.dll";
        else
                ThumbHandlerDLL = "BlendThumb.dll";
#endif  
        snprintf(RegCmd,MAX_PATH*2,"%s\\regsvr32 /s \"%s\\%s\"",SysDir,InstallDir,ThumbHandlerDLL);
        system(RegCmd);

        RegCloseKey(root);
        printf("success (%s)\n",usr_mode ? "user" : "system");
        if (!G.background)
        {
                sprintf(MBox,"File extension registered for %s.",usr_mode ? "the current user. To register for all users, run as an administrator" : "all users");
                MessageBox(0,MBox,"Blender",MB_OK|MB_ICONINFORMATION);
        }
        TerminateProcess(GetCurrentProcess(),0);
}

DIR *opendir (const char *path) {
        if (GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY) {
                DIR *newd= MEM_mallocN(sizeof(DIR), "opendir");

                newd->handle = INVALID_HANDLE_VALUE;
                sprintf(newd->path, "%s\\*",path);
                
                newd->direntry.d_ino= 0;
                newd->direntry.d_off= 0;
                newd->direntry.d_reclen= 0;
                newd->direntry.d_name= NULL;
                
                return newd;
        } else {
                return NULL;
        }
}

struct dirent *readdir(DIR *dp) {
        if (dp->direntry.d_name) {
                MEM_freeN(dp->direntry.d_name);
                dp->direntry.d_name= NULL;
        }
                
        if (dp->handle==INVALID_HANDLE_VALUE) {
                dp->handle= FindFirstFile(dp->path, &(dp->data));
                if (dp->handle==INVALID_HANDLE_VALUE)
                        return NULL;
                        
                dp->direntry.d_name= BLI_strdup(dp->data.cFileName);

                return &dp->direntry;
        } else if (FindNextFile (dp->handle, &(dp->data))) {
                dp->direntry.d_name= BLI_strdup(dp->data.cFileName);

                return &dp->direntry;
        } else {
                return NULL;
        }
}

int closedir (DIR *dp) {
        if (dp->direntry.d_name) MEM_freeN(dp->direntry.d_name);
        if (dp->handle!=INVALID_HANDLE_VALUE) FindClose(dp->handle);

        MEM_freeN(dp);
        
        return 0;
}

void get_default_root(char* root) {
        char str[MAX_PATH+1];
        
        /* the default drive to resolve a directory without a specified drive 
           should be the Windows installation drive, since this was what the OS
           assumes. */
        if (GetWindowsDirectory(str,MAX_PATH+1)) {
                root[0] = str[0];
                root[1] = ':';
                root[2] = '\\';
                root[3] = '\0';
        } else {                
                /* if GetWindowsDirectory fails, something has probably gone wrong, 
                   we are trying the blender install dir though */
                if (GetModuleFileName(NULL,str,MAX_PATH+1)) {
                        printf("Error! Could not get the Windows Directory - Defaulting to Blender installation Dir!");
                        root[0] = str[0];
                        root[1] = ':';
                        root[2] = '\\';
                        root[3] = '\0';
                } else {
                        DWORD tmp;
                        int i;
                        int rc = 0;
                        /* now something has gone really wrong - still trying our best guess */
                        printf("Error! Could not get the Windows Directory - Defaulting to first valid drive! Path might be invalid!");
                        tmp= GetLogicalDrives();
                        for (i=2; i < 26; i++) {
                                if ((tmp>>i) & 1) {
                                        root[0] = 'a'+i;
                                        root[1] = ':';
                                        root[2] = '\\';
                                        root[3] = '\0';
                                        if (GetFileAttributes(root) != 0xFFFFFFFF) {
                                                rc = i;
                                                break;                  
                                        }
                                }
                        }
                        if (0 == rc) {
                                printf("ERROR in 'get_default_root': can't find a valid drive!");
                                root[0] = 'C';
                                root[1] = ':';
                                root[2] = '\\';
                                root[3] = '\0';
                        }
                }               
        }
}

int check_file_chars(char *filename)
{
        char *p = filename;
        while (*p) {
                switch (*p) {
                        case ':':
                        case '?':
                        case '*':
                        case '|':
                        case '\\':
                        case '/':
                        case '\"':
                                return 0;
                                break;
                }

                p++;
        }
        return 1;
}

/* Copied from http://sourceware.org/ml/newlib/2005/msg00248.html */
/* Copyright 2005 Shaun Jackman
 * Permission to use, copy, modify, and distribute this software
 * is freely granted, provided that this notice is preserved.
 */
#include <string.h>
char* dirname(char *path)
{
        char *p;
        if( path == NULL || *path == '\0' )
        return ".";
        p = path + strlen(path) - 1;
        while( *p == '/' ) {
                if( p == path )
                        return path;
                *p-- = '\0';
        }
        while( p >= path && *p != '/' )
        p--;
        return
        p < path ? "." :
        p == path ? "/" :
        (*p = '\0', path);
}
/* End of copied part */

#else

/* intentionally empty for UNIX */

#endif