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Rewrite Fl_Preferences.cxx under the driver model.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11571 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy
2016-04-10 08:15:51 +00:00
parent 927774af85
commit faaa2b6d1e
8 changed files with 312 additions and 282 deletions
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FL/Fl_System_Driver.H
+10
View File
@@ -27,6 +27,7 @@
#include <FL/Fl_Export.H>
#include <FL/platform_types.h>
#include <FL/filename.H>
#include <FL/Fl_Preferences.H>
#include <stdio.h>
#include <stdarg.h>
@@ -135,6 +136,15 @@ public:
virtual int file_browser_load_filesystem(Fl_File_Browser *browser, char *filename, Fl_File_Icon *icon) {return 0;}
// the default implementation of file_browser_load_directory() should be enough
virtual int file_browser_load_directory(const char *directory, char *filename, dirent ***pfiles, Fl_File_Sort_F *sort);
// implement to support Fl_Preferences
virtual void newUUID(char *uuidBuffer) { uuidBuffer[0] = 0; }
// implement to support Fl_Preferences
virtual char *preference_rootnode(Fl_Preferences *prefs, Fl_Preferences::Root root, const char *vendor,
const char *application) {return NULL;}
// the default implementation of preferences_need_protection_check() may be enough
virtual int preferences_need_protection_check() {return 0;}
// implement to support Fl_Plugin_Manager::load()
virtual void *dlopen(const char *filename) {return NULL;}
};
#endif // FL_SYSTEM_DRIVER_H
src/Fl_Preferences.cxx
+21 -280
View File
@@ -17,6 +17,7 @@
//
#include <FL/Fl.H>
#include <FL/Fl_System_Driver.H>
#include <FL/Fl_Preferences.H>
#include <FL/Fl_Plugin.H>
#include <FL/filename.H>
@@ -26,48 +27,7 @@
#include <stdarg.h>
#include <FL/fl_utf8.h>
#include "flstring.h"
#include <time.h>
#if defined(WIN32) || defined(__APPLE__) // PORTME: Fl_System_Driver - platform Preferences
#elif defined(FL_PORTING)
# pragma message "FL_PORTING: implement some file storage in a designated place"
#else
#endif
#if defined(WIN32) && !defined(__CYGWIN__)
# include <windows.h>
# include <direct.h>
# include <io.h>
// Visual C++ 2005 incorrectly displays a warning about the use of POSIX APIs
// on Windows, which is supposed to be POSIX compliant...
# define access _access
# define mkdir _mkdir
#elif defined (__APPLE__) // PORTME: Fl_System_Driver - platform Preferences
# include <ApplicationServices/ApplicationServices.h>
# include <unistd.h>
# include <config.h>
# include <dlfcn.h>
#else
# include <unistd.h>
# include <config.h>
# if HAVE_DLFCN_H
# include <dlfcn.h>
# endif
#endif
#ifdef WIN32
# include <windows.h>
# include <rpc.h>
// function pointer for the UuidCreate Function
// RPC_STATUS RPC_ENTRY UuidCreate(UUID __RPC_FAR *Uuid);
typedef RPC_STATUS (WINAPI* uuid_func)(UUID __RPC_FAR *Uuid);
#else
# include <sys/time.h>
#endif // WIN32
#ifdef __CYGWIN__
# include <wchar.h>
#endif
char Fl_Preferences::nameBuffer[128];
char Fl_Preferences::uuidBuffer[40];
@@ -85,126 +45,7 @@ Fl_Preferences *Fl_Preferences::runtimePrefs = 0;
* The buffer is overwritten during every call to this function!
*/
const char *Fl_Preferences::newUUID() {
#ifdef __APPLE__ // PORTME: Fl_System_Driver - platform Preferences
CFUUIDRef theUUID = CFUUIDCreate(NULL);
CFUUIDBytes b = CFUUIDGetUUIDBytes(theUUID);
sprintf(uuidBuffer, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
b.byte0, b.byte1, b.byte2, b.byte3, b.byte4, b.byte5, b.byte6, b.byte7,
b.byte8, b.byte9, b.byte10, b.byte11, b.byte12, b.byte13, b.byte14, b.byte15);
CFRelease(theUUID);
#elif defined (WIN32)
// First try and use the win API function UuidCreate(), but if that is not
// available, fall back to making something up from scratch.
// We do not want to link against the Rpcrt4.dll, as we will rarely use it,
// so we load the DLL dynamically, if it is available, and work from there.
static HMODULE hMod = NULL;
UUID ud;
UUID *pu = &ud;
int got_uuid = 0;
if (!hMod) { // first time in?
hMod = LoadLibrary("Rpcrt4.dll");
}
if (hMod) { // do we have a usable handle to Rpcrt4.dll?
uuid_func uuid_crt = (uuid_func)GetProcAddress(hMod, "UuidCreate");
if (uuid_crt != NULL) {
RPC_STATUS rpc_res = uuid_crt(pu);
if ( // is the return status OK for our needs?
(rpc_res == RPC_S_OK) || // all is well
(rpc_res == RPC_S_UUID_LOCAL_ONLY) || // only unique to this machine
(rpc_res == RPC_S_UUID_NO_ADDRESS) // probably only locally unique
) {
got_uuid = -1;
sprintf(uuidBuffer, "%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",
pu->Data1, pu->Data2, pu->Data3, pu->Data4[0], pu->Data4[1],
pu->Data4[2], pu->Data4[3], pu->Data4[4],
pu->Data4[5], pu->Data4[6], pu->Data4[7]);
}
}
}
if (got_uuid == 0) { // did not make a UUID - use fallback logic
unsigned char b[16];
time_t t = time(0); // first 4 byte
b[0] = (unsigned char)t;
b[1] = (unsigned char)(t>>8);
b[2] = (unsigned char)(t>>16);
b[3] = (unsigned char)(t>>24);
int r = rand(); // four more bytes
b[4] = (unsigned char)r;
b[5] = (unsigned char)(r>>8);
b[6] = (unsigned char)(r>>16);
b[7] = (unsigned char)(r>>24);
// Now we try to find 4 more "random" bytes. We extract the
// lower 4 bytes from the address of t - it is created on the
// stack so *might* be in a different place each time...
// This is now done via a union to make it compile OK on 64-bit systems.
union { void *pv; unsigned char a[sizeof(void*)]; } v;
v.pv = (void *)(&t);
// NOTE: This assume that all WinXX systems are little-endian
b[8] = v.a[0];
b[9] = v.a[1];
b[10] = v.a[2];
b[11] = v.a[3];
TCHAR name[MAX_COMPUTERNAME_LENGTH + 1]; // only used to make last four bytes
DWORD nSize = MAX_COMPUTERNAME_LENGTH + 1;
// GetComputerName() does not depend on any extra libs, and returns something
// analogous to gethostname()
GetComputerName(name, &nSize);
// use the first 4 TCHAR's of the name to create the last 4 bytes of our UUID
for (int ii = 0; ii < 4; ii++) {
b[12 + ii] = (unsigned char)name[ii];
}
sprintf(uuidBuffer, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],
b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15]);
}
#else
// warning Unix implementation of Fl_Preferences::newUUID() incomplete!
// #include <uuid/uuid.h>
// void uuid_generate(uuid_t out);
unsigned char b[16];
time_t t = time(0); // first 4 byte
b[0] = (unsigned char)t;
b[1] = (unsigned char)(t>>8);
b[2] = (unsigned char)(t>>16);
b[3] = (unsigned char)(t>>24);
int r = rand(); // four more bytes
b[4] = (unsigned char)r;
b[5] = (unsigned char)(r>>8);
b[6] = (unsigned char)(r>>16);
b[7] = (unsigned char)(r>>24);
unsigned long a = (unsigned long)&t; // four more bytes
b[8] = (unsigned char)a;
b[9] = (unsigned char)(a>>8);
b[10] = (unsigned char)(a>>16);
b[11] = (unsigned char)(a>>24);
// Now we try to find 4 more "random" bytes. We extract the
// lower 4 bytes from the address of t - it is created on the
// stack so *might* be in a different place each time...
// This is now done via a union to make it compile OK on 64-bit systems.
union { void *pv; unsigned char a[sizeof(void*)]; } v;
v.pv = (void *)(&t);
// NOTE: May need to handle big- or little-endian systems here
# if WORDS_BIGENDIAN
b[8] = v.a[sizeof(void*) - 1];
b[9] = v.a[sizeof(void*) - 2];
b[10] = v.a[sizeof(void*) - 3];
b[11] = v.a[sizeof(void*) - 4];
# else /* data ordered for a little-endian system */
b[8] = v.a[0];
b[9] = v.a[1];
b[10] = v.a[2];
b[11] = v.a[3];
# endif
char name[80]; // last four bytes
gethostname(name, 79);
memcpy(b+12, name, 4);
sprintf(uuidBuffer, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],
b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15]);
#endif
Fl::system_driver()->newUUID(uuidBuffer);
return uuidBuffer;
}
@@ -968,98 +809,7 @@ Fl_Preferences::RootNode::RootNode( Fl_Preferences *prefs, Root root, const char
vendor_(0L),
application_(0L) {
char filename[ FL_PATH_MAX ]; filename[0] = 0;
#ifdef WIN32
# define FLPREFS_RESOURCE "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders"
# define FLPREFS_RESOURCEW L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders"
size_t appDataLen = strlen(vendor) + strlen(application) + 8;
DWORD type, nn;
LONG err;
HKEY key;
switch (root) {
case SYSTEM:
err = RegOpenKeyW( HKEY_LOCAL_MACHINE, FLPREFS_RESOURCEW, &key );
if (err == ERROR_SUCCESS) {
nn = (DWORD) (FL_PATH_MAX - appDataLen);
err = RegQueryValueExW( key, L"Common AppData", 0L, &type,
(BYTE*)filename, &nn );
if ( ( err != ERROR_SUCCESS ) && ( type == REG_SZ ) ) {
filename[0] = 0;
filename[1] = 0;
}
RegCloseKey(key);
}
break;
case USER:
err = RegOpenKeyW( HKEY_CURRENT_USER, FLPREFS_RESOURCEW, &key );
if (err == ERROR_SUCCESS) {
nn = (DWORD) (FL_PATH_MAX - appDataLen);
err = RegQueryValueExW( key, L"AppData", 0L, &type,
(BYTE*)filename, &nn );
if ( ( err != ERROR_SUCCESS ) && ( type == REG_SZ ) ) {
filename[0] = 0;
filename[1] = 0;
}
RegCloseKey(key);
}
break;
}
if (!filename[1] && !filename[0]) {
strcpy(filename, "C:\\FLTK");
} else {
#if 0
wchar_t *b = (wchar_t*)_wcsdup((wchar_t *)filename);
#else
// cygwin does not come with _wcsdup. Use malloc + wcscpy.
// For implementation of wcsdup functionality See
// - http://linenum.info/p/glibc/2.7/wcsmbs/wcsdup.c
wchar_t *b = (wchar_t*) malloc((wcslen((wchar_t *) filename) + 1) * sizeof(wchar_t));
wcscpy(b, (wchar_t *) filename);
#endif
// filename[fl_unicode2utf(b, wcslen((wchar_t*)b), filename)] = 0;
unsigned len = fl_utf8fromwc(filename, (FL_PATH_MAX-1), b, (unsigned) wcslen(b));
filename[len] = 0;
free(b);
}
snprintf(filename + strlen(filename), sizeof(filename) - strlen(filename),
"/%s/%s.prefs", vendor, application);
for (char *s = filename; *s; s++) if (*s == '\\') *s = '/';
#elif defined ( __APPLE__ ) // PORTME: Fl_System_Driver - platform Preferences
// TODO: verify that this is the Apple sanctioned way of finding these folders
// (On MSWindows, this frequently leads to issues with internationalized systems)
// Carbon: err = FindFolder( kLocalDomain, kPreferencesFolderType, 1, &spec.vRefNum, &spec.parID );
switch (root) {
case SYSTEM:
strcpy(filename, "/Library/Preferences");
break;
case USER:
sprintf(filename, "%s/Library/Preferences", fl_getenv("HOME"));
break;
}
snprintf(filename + strlen(filename), sizeof(filename) - strlen(filename),
"/%s/%s.prefs", vendor, application );
#else
const char *e;
switch (root) {
case USER:
if ((e = fl_getenv("HOME")) != NULL) {
strlcpy(filename, e, sizeof(filename));
if (filename[strlen(filename)-1] != '/') {
strlcat(filename, "/.fltk/", sizeof(filename));
} else {
strlcat(filename, ".fltk/", sizeof(filename));
}
break;
}
case SYSTEM:
strcpy(filename, "/etc/fltk/");
break;
}
snprintf(filename + strlen(filename), sizeof(filename) - strlen(filename),
"%s/%s.prefs", vendor, application);
#endif
char *filename = Fl::system_driver()->preference_rootnode(prefs, root, vendor, application);
filename_ = strdup(filename);
vendor_ = strdup(vendor);
application_ = strdup(application);
@@ -1157,30 +907,30 @@ int Fl_Preferences::RootNode::read() {
// write the group tree and all entry leafs
int Fl_Preferences::RootNode::write() {
if (!filename_) // RUNTIME preferences
return -1;
return -1;
fl_make_path_for_file(filename_);
FILE *f = fl_fopen( filename_, "wb" );
if ( !f )
return -1;
return -1;
fprintf( f, "; FLTK preferences file format 1.0\n" );
fprintf( f, "; vendor: %s\n", vendor_ );
fprintf( f, "; application: %s\n", application_ );
prefs_->node->write( f );
fclose( f );
#if !(defined(__APPLE__) || defined(WIN32)) // PORTME: Fl_System_Driver - platform Preferences
// unix: make sure that system prefs are user-readable
if (strncmp(filename_, "/etc/fltk/", 10) == 0) {
char *p;
p = filename_ + 9;
do { // for each directory to the pref file
*p = 0;
fl_chmod(filename_, 0755); // rwxr-xr-x
*p = '/';
p = strchr(p+1, '/');
} while (p);
fl_chmod(filename_, 0644); // rw-r--r--
if (Fl::system_driver()->preferences_need_protection_check()) {
// unix: make sure that system prefs are user-readable
if (strncmp(filename_, "/etc/fltk/", 10) == 0) {
char *p;
p = filename_ + 9;
do { // for each directory to the pref file
*p = 0;
fl_chmod(filename_, 0755); // rwxr-xr-x
*p = '/';
p = strchr(p+1, '/');
} while (p);
fl_chmod(filename_, 0644); // rw-r--r--
}
}
#endif
return 0;
}
@@ -1196,12 +946,10 @@ char Fl_Preferences::RootNode::getPath( char *path, int pathlen ) {
if ( !s ) return 0;
*s = 0;
char ret = fl_make_path( path );
#if !(defined(__APPLE__) || defined(WIN32)) // PORTME: Fl_System_Driver - platform Preferences
// unix: make sure that system prefs dir. is user-readable
if (strncmp(path, "/etc/fltk/", 10) == 0) {
if (Fl::system_driver()->preferences_need_protection_check() && strncmp(path, "/etc/fltk/", 10) == 0) {
fl_chmod(path, 0755); // rwxr-xr-x
}
#endif
strcpy( s, "/" );
return ret;
}
@@ -1738,16 +1486,9 @@ void Fl_Plugin_Manager::removePlugin(Fl_Preferences::ID id) {
int Fl_Plugin_Manager::load(const char *filename) {
// the functions below will autmaticaly load plugins that are defined:
// Fl_My_Plugin plugin();
#if defined(WIN32) && !defined(__CYGWIN__)
HMODULE dl = LoadLibrary(filename);
#else
void * dl = NULL;
# if HAVE_DLSYM
dl = dlopen(filename, RTLD_LAZY);
# endif
#endif
void *dl = Fl::system_driver()->dlopen(filename);
// There is no way of unloading a plugin!
return (dl!=0) ? 0 : -1;
return (dl != 0) ? 0 : -1;
}
/**
src/drivers/Darwin/Fl_Darwin_System_Driver.H
+4
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@@ -76,6 +76,10 @@ public:
virtual int open_uri(const char *uri, char *msg, int msglen);
virtual int need_test_shortcut_extra() {return 1;}
virtual int file_browser_load_filesystem(Fl_File_Browser *browser, char *filename, Fl_File_Icon *icon);
virtual void newUUID(char *uuidBuffer);
virtual char *preference_rootnode(Fl_Preferences *prefs, Fl_Preferences::Root root, const char *vendor,
const char *application);
virtual void *dlopen(const char *filename);
};
#endif // FL_DARWIN_SYSTEM_DRIVER_H
src/drivers/Darwin/Fl_Darwin_System_Driver.cxx
+37 -1
View File
@@ -23,6 +23,7 @@
#include <FL/Fl_File_Browser.H>
#include <FL/filename.H>
#include <FL/Fl_File_Icon.H>
#include <FL/Fl_Preferences.H>
#include <string.h>
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
#include <xlocale.h>
@@ -34,6 +35,8 @@
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
#include <ApplicationServices/ApplicationServices.h>
extern int fl_mac_os_version; // the version number of the running Mac OS X
@@ -91,7 +94,7 @@ int Fl_Darwin_System_Driver::clocale_printf(FILE *output, const char *format, va
PMSessionPageSetupDialog and PMSessionPrintDialog used by 10.4 or before (in Fl_Printer::start_job())
*/
void *Fl_Darwin_System_Driver::get_carbon_function(const char *function_name) {
static void *carbon = dlopen("/System/Library/Frameworks/Carbon.framework/Carbon", RTLD_LAZY);
static void *carbon = ::dlopen("/System/Library/Frameworks/Carbon.framework/Carbon", RTLD_LAZY);
return (carbon ? dlsym(carbon, function_name) : NULL);
}
@@ -192,6 +195,39 @@ int Fl_Darwin_System_Driver::file_browser_load_filesystem(Fl_File_Browser *brows
return num_files;
}
void Fl_Darwin_System_Driver::newUUID(char *uuidBuffer)
{
CFUUIDRef theUUID = CFUUIDCreate(NULL);
CFUUIDBytes b = CFUUIDGetUUIDBytes(theUUID);
sprintf(uuidBuffer, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
b.byte0, b.byte1, b.byte2, b.byte3, b.byte4, b.byte5, b.byte6, b.byte7,
b.byte8, b.byte9, b.byte10, b.byte11, b.byte12, b.byte13, b.byte14, b.byte15);
CFRelease(theUUID);
}
char *Fl_Darwin_System_Driver::preference_rootnode(Fl_Preferences *prefs, Fl_Preferences::Root root,
const char *vendor, const char *application)
{
static char filename[ FL_PATH_MAX ];
// TODO: verify that this is the Apple sanctioned way of finding these folders
// (On MSWindows, this frequently leads to issues with internationalized systems)
// Carbon: err = FindFolder( kLocalDomain, kPreferencesFolderType, 1, &spec.vRefNum, &spec.parID );
switch (root) {
case Fl_Preferences::SYSTEM:
strcpy(filename, "/Library/Preferences");
break;
case Fl_Preferences::USER:
sprintf(filename, "%s/Library/Preferences", getenv("HOME"));
break;
}
snprintf(filename + strlen(filename), sizeof(filename) - strlen(filename),
"/%s/%s.prefs", vendor, application);
return filename;
}
void *Fl_Darwin_System_Driver::dlopen(const char *filename) {
return ::dlopen(filename, RTLD_LAZY);
}
//
// End of "$Id$".
src/drivers/Posix/Fl_Posix_System_Driver.H
+5
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@@ -76,6 +76,11 @@ public:
// this one is in fl_shortcut.cxx
virtual const char *shortcut_add_key_name(unsigned key, char *p, char *buf, const char **);
virtual int file_browser_load_filesystem(Fl_File_Browser *browser, char *filename, Fl_File_Icon *icon);
virtual void newUUID(char *uuidBuffer);
virtual char *preference_rootnode(Fl_Preferences *prefs, Fl_Preferences::Root root, const char *vendor,
const char *application);
virtual int preferences_need_protection_check() {return 1;}
virtual void *dlopen(const char *filename);
};
#endif // FL_POSIX_SYSTEM_DRIVER_H
src/drivers/Posix/Fl_Posix_System_Driver.cxx
+85
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@@ -26,9 +26,13 @@
#include <X11/Xlib.h>
#include <locale.h>
#include <stdio.h>
#if HAVE_DLFCN_H
# include <dlfcn.h>
#endif
#include <sys/types.h>
#include <pwd.h>
#include <unistd.h>
#include <time.h>
#if defined(_AIX)
extern "C" {
@@ -436,6 +440,87 @@ int Fl_Posix_System_Driver::file_browser_load_filesystem(Fl_File_Browser *browse
return num_files;
}
void Fl_Posix_System_Driver::newUUID(char *uuidBuffer)
{
// warning Unix implementation of Fl_Preferences::newUUID() incomplete!
// #include <uuid/uuid.h>
// void uuid_generate(uuid_t out);
unsigned char b[16];
time_t t = time(0); // first 4 byte
b[0] = (unsigned char)t;
b[1] = (unsigned char)(t>>8);
b[2] = (unsigned char)(t>>16);
b[3] = (unsigned char)(t>>24);
int r = rand(); // four more bytes
b[4] = (unsigned char)r;
b[5] = (unsigned char)(r>>8);
b[6] = (unsigned char)(r>>16);
b[7] = (unsigned char)(r>>24);
unsigned long a = (unsigned long)&t; // four more bytes
b[8] = (unsigned char)a;
b[9] = (unsigned char)(a>>8);
b[10] = (unsigned char)(a>>16);
b[11] = (unsigned char)(a>>24);
// Now we try to find 4 more "random" bytes. We extract the
// lower 4 bytes from the address of t - it is created on the
// stack so *might* be in a different place each time...
// This is now done via a union to make it compile OK on 64-bit systems.
union { void *pv; unsigned char a[sizeof(void*)]; } v;
v.pv = (void *)(&t);
// NOTE: May need to handle big- or little-endian systems here
# if WORDS_BIGENDIAN
b[8] = v.a[sizeof(void*) - 1];
b[9] = v.a[sizeof(void*) - 2];
b[10] = v.a[sizeof(void*) - 3];
b[11] = v.a[sizeof(void*) - 4];
# else // data ordered for a little-endian system
b[8] = v.a[0];
b[9] = v.a[1];
b[10] = v.a[2];
b[11] = v.a[3];
# endif
char name[80]; // last four bytes
gethostname(name, 79);
memcpy(b+12, name, 4);
sprintf(uuidBuffer, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],
b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15]);
}
char *Fl_Posix_System_Driver::preference_rootnode(Fl_Preferences *prefs, Fl_Preferences::Root root, const char *vendor,
const char *application)
{
static char filename[ FL_PATH_MAX ]; filename[0] = 0;
const char *e;
switch (root) {
case Fl_Preferences::USER:
if ((e = ::getenv("HOME")) != NULL) {
strlcpy(filename, e, sizeof(filename));
if (filename[strlen(filename)-1] != '/') {
strlcat(filename, "/.fltk/", sizeof(filename));
} else {
strlcat(filename, ".fltk/", sizeof(filename));
}
break;
}
case Fl_Preferences::SYSTEM:
strcpy(filename, "/etc/fltk/");
break;
}
snprintf(filename + strlen(filename), sizeof(filename) - strlen(filename),
"%s/%s.prefs", vendor, application);
return filename;
}
void *Fl_Posix_System_Driver::dlopen(const char *filename)
{
#if HAVE_DLSYM
return ::dlopen(filename, RTLD_LAZY);
#endif
return NULL;
}
//
// End of "$Id$".
//
src/drivers/WinAPI/Fl_WinAPI_System_Driver.H
+4
View File
@@ -79,6 +79,10 @@ public:
virtual int use_recent_tooltip_fix() {return 1;}
virtual int file_browser_load_filesystem(Fl_File_Browser *browser, char *filename, Fl_File_Icon *icon);
virtual int file_browser_load_directory(const char *directory, char *filename, dirent ***pfiles, Fl_File_Sort_F *sort);
virtual void newUUID(char *uuidBuffer);
virtual char *preference_rootnode(Fl_Preferences *prefs, Fl_Preferences::Root root, const char *vendor,
const char *application);
virtual void *dlopen(const char *filename);
};
#endif // FL_WINAPI_SYSTEM_DRIVER_H
src/drivers/WinAPI/Fl_WinAPI_System_Driver.cxx
+146 -1
View File
@@ -24,15 +24,21 @@
#include <FL/filename.H>
#include <FL/Fl_File_Browser.H>
#include <FL/Fl_File_Icon.H>
#include "../../flstring.h"
#include <stdio.h>
#include <stdarg.h>
#include <windows.h>
#include <rpc.h>
// function pointer for the UuidCreate Function
// RPC_STATUS RPC_ENTRY UuidCreate(UUID __RPC_FAR *Uuid);
typedef RPC_STATUS (WINAPI* uuid_func)(UUID __RPC_FAR *Uuid);
#include <shellapi.h>
#include <wchar.h>
#include <process.h>
#include <locale.h>
#include "../../flstring.h"
#include <time.h>
#include <direct.h>
#include <io.h>
// Apparently Borland C++ defines DIRECTORY in <direct.h>, which
// interfers with the Fl_File_Icon enumeration of the same name.
# ifdef DIRECTORY
@@ -724,6 +730,145 @@ int Fl_WinAPI_System_Driver::file_browser_load_directory(const char *directory,
return filename_list(filename, pfiles, sort);
}
void Fl_WinAPI_System_Driver::newUUID(char *uuidBuffer)
{
// First try and use the win API function UuidCreate(), but if that is not
// available, fall back to making something up from scratch.
// We do not want to link against the Rpcrt4.dll, as we will rarely use it,
// so we load the DLL dynamically, if it is available, and work from there.
static HMODULE hMod = NULL;
UUID ud;
UUID *pu = &ud;
int got_uuid = 0;
if (!hMod) { // first time in?
hMod = LoadLibrary("Rpcrt4.dll");
}
if (hMod) { // do we have a usable handle to Rpcrt4.dll?
uuid_func uuid_crt = (uuid_func)GetProcAddress(hMod, "UuidCreate");
if (uuid_crt != NULL) {
RPC_STATUS rpc_res = uuid_crt(pu);
if ( // is the return status OK for our needs?
(rpc_res == RPC_S_OK) || // all is well
(rpc_res == RPC_S_UUID_LOCAL_ONLY) || // only unique to this machine
(rpc_res == RPC_S_UUID_NO_ADDRESS) // probably only locally unique
) {
got_uuid = -1;
sprintf(uuidBuffer, "%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",
pu->Data1, pu->Data2, pu->Data3, pu->Data4[0], pu->Data4[1],
pu->Data4[2], pu->Data4[3], pu->Data4[4],
pu->Data4[5], pu->Data4[6], pu->Data4[7]);
}
}
}
if (got_uuid == 0) { // did not make a UUID - use fallback logic
unsigned char b[16];
time_t t = time(0); // first 4 byte
b[0] = (unsigned char)t;
b[1] = (unsigned char)(t>>8);
b[2] = (unsigned char)(t>>16);
b[3] = (unsigned char)(t>>24);
int r = rand(); // four more bytes
b[4] = (unsigned char)r;
b[5] = (unsigned char)(r>>8);
b[6] = (unsigned char)(r>>16);
b[7] = (unsigned char)(r>>24);
// Now we try to find 4 more "random" bytes. We extract the
// lower 4 bytes from the address of t - it is created on the
// stack so *might* be in a different place each time...
// This is now done via a union to make it compile OK on 64-bit systems.
union { void *pv; unsigned char a[sizeof(void*)]; } v;
v.pv = (void *)(&t);
// NOTE: This assume that all WinXX systems are little-endian
b[8] = v.a[0];
b[9] = v.a[1];
b[10] = v.a[2];
b[11] = v.a[3];
TCHAR name[MAX_COMPUTERNAME_LENGTH + 1]; // only used to make last four bytes
DWORD nSize = MAX_COMPUTERNAME_LENGTH + 1;
// GetComputerName() does not depend on any extra libs, and returns something
// analogous to gethostname()
GetComputerName(name, &nSize);
// use the first 4 TCHAR's of the name to create the last 4 bytes of our UUID
for (int ii = 0; ii < 4; ii++) {
b[12 + ii] = (unsigned char)name[ii];
}
sprintf(uuidBuffer, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],
b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15]);
}
}
char *Fl_WinAPI_System_Driver::preference_rootnode(Fl_Preferences *prefs, Fl_Preferences::Root root, const char *vendor,
const char *application)
{
# define FLPREFS_RESOURCE "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders"
# define FLPREFS_RESOURCEW L"Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Shell Folders"
static char filename[ FL_PATH_MAX ];
filename[0] = 0;
size_t appDataLen = strlen(vendor) + strlen(application) + 8;
DWORD type, nn;
LONG err;
HKEY key;
switch (root) {
case Fl_Preferences::SYSTEM:
err = RegOpenKeyW( HKEY_LOCAL_MACHINE, FLPREFS_RESOURCEW, &key );
if (err == ERROR_SUCCESS) {
nn = (DWORD) (FL_PATH_MAX - appDataLen);
err = RegQueryValueExW( key, L"Common AppData", 0L, &type,
(BYTE*)filename, &nn );
if ( ( err != ERROR_SUCCESS ) && ( type == REG_SZ ) ) {
filename[0] = 0;
filename[1] = 0;
}
RegCloseKey(key);
}
break;
case Fl_Preferences::USER:
err = RegOpenKeyW( HKEY_CURRENT_USER, FLPREFS_RESOURCEW, &key );
if (err == ERROR_SUCCESS) {
nn = (DWORD) (FL_PATH_MAX - appDataLen);
err = RegQueryValueExW( key, L"AppData", 0L, &type,
(BYTE*)filename, &nn );
if ( ( err != ERROR_SUCCESS ) && ( type == REG_SZ ) ) {
filename[0] = 0;
filename[1] = 0;
}
RegCloseKey(key);
}
break;
}
if (!filename[1] && !filename[0]) {
strcpy(filename, "C:\\FLTK");
} else {
#if 0
wchar_t *b = (wchar_t*)_wcsdup((wchar_t *)filename);
#else
// cygwin does not come with _wcsdup. Use malloc + wcscpy.
// For implementation of wcsdup functionality See
// - http://linenum.info/p/glibc/2.7/wcsmbs/wcsdup.c
wchar_t *b = (wchar_t*) malloc((wcslen((wchar_t *) filename) + 1) * sizeof(wchar_t));
wcscpy(b, (wchar_t *) filename);
#endif
// filename[fl_unicode2utf(b, wcslen((wchar_t*)b), filename)] = 0;
unsigned len = fl_utf8fromwc(filename, (FL_PATH_MAX-1), b, (unsigned) wcslen(b));
filename[len] = 0;
free(b);
}
snprintf(filename + strlen(filename), sizeof(filename) - strlen(filename),
"/%s/%s.prefs", vendor, application);
for (char *s = filename; *s; s++) if (*s == '\\') *s = '/';
return filename;
}
void *Fl_WinAPI_System_Driver::dlopen(const char *filename)
{
return LoadLibrary(filename);
}
//
// End of "$Id$".
//