winstuff.c

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/*
 * ***** 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_MAX */

int BLI_getInstallationDir( char * str )
{
    char dir[FILE_MAXDIR];
    int a;
    
    GetModuleFileName(NULL,str,FILE_MAX);
    BLI_split_dir_part(str, dir, sizeof(dir)); /* 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) {
        strcpy(buffer,"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