/
nfd_cocoa.m
234 lines (182 loc) · 5.95 KB
/
nfd_cocoa.m
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/*
Native File Dialog
http://www.frogtoss.com/labs
*/
#include <AppKit/AppKit.h>
#include "nfd.h"
#include "nfd_common.h"
static NSArray *BuildAllowedFileTypes( const char *filterList )
{
// Commas and semicolons are the same thing on this platform
NSMutableArray *buildFilterList = [[NSMutableArray alloc] init];
char typebuf[NFD_MAX_STRLEN] = {0};
size_t filterListLen = strlen(filterList);
char *p_typebuf = typebuf;
for ( size_t i = 0; i < filterListLen+1; ++i )
{
if ( filterList[i] == ',' || filterList[i] == ';' || filterList[i] == '\0' )
{
*p_typebuf = '\0';
NSString *thisType = [NSString stringWithUTF8String: typebuf];
[buildFilterList addObject:thisType];
p_typebuf = typebuf;
*p_typebuf = '\0';
}
else
{
*p_typebuf = filterList[i];
++p_typebuf;
}
}
NSArray *returnArray = [NSArray arrayWithArray:buildFilterList];
[buildFilterList release];
return returnArray;
}
static void AddFilterListToDialog( NSSavePanel *dialog, const char *filterList )
{
if ( !filterList || strlen(filterList) == 0 )
return;
NSArray *allowedFileTypes = BuildAllowedFileTypes( filterList );
if ( [allowedFileTypes count] != 0 )
{
[dialog setAllowedFileTypes:allowedFileTypes];
}
}
static void SetDefaultPath( NSSavePanel *dialog, const nfdchar_t *defaultPath )
{
if ( !defaultPath || strlen(defaultPath) == 0 )
return;
NSString *defaultPathString = [NSString stringWithUTF8String: defaultPath];
NSURL *url = [NSURL fileURLWithPath:defaultPathString isDirectory:YES];
[dialog setDirectoryURL:url];
}
/* fixme: pathset should be pathSet */
static nfdresult_t AllocPathSet( NSArray *urls, nfdpathset_t *pathset )
{
assert(pathset);
assert([urls count]);
pathset->count = (size_t)[urls count];
pathset->indices = NFDi_Malloc( sizeof(size_t)*pathset->count );
if ( !pathset->indices )
{
return NFD_ERROR;
}
// count the total space needed for buf
size_t bufsize = 0;
for ( NSURL *url in urls )
{
NSString *path = [url path];
bufsize += [path lengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1;
}
pathset->buf = NFDi_Malloc( sizeof(nfdchar_t) * bufsize );
if ( !pathset->buf )
{
return NFD_ERROR;
}
// fill buf
nfdchar_t *p_buf = pathset->buf;
size_t count = 0;
for ( NSURL *url in urls )
{
NSString *path = [url path];
const nfdchar_t *utf8Path = [path UTF8String];
size_t byteLen = [path lengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1;
memcpy( p_buf, utf8Path, byteLen );
ptrdiff_t index = p_buf - pathset->buf;
assert( index >= 0 );
pathset->indices[count] = (size_t)index;
p_buf += byteLen;
++count;
}
return NFD_OKAY;
}
/* public */
nfdresult_t NFD_OpenDialog( const char *filterList,
const nfdchar_t *defaultPath,
nfdchar_t **outPath )
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSOpenPanel *dialog = [NSOpenPanel openPanel];
[dialog setAllowsMultipleSelection:NO];
// Build the filter list
AddFilterListToDialog(dialog, filterList);
// Set the starting directory
SetDefaultPath(dialog, defaultPath);
nfdresult_t nfdResult = NFD_CANCEL;
if ( [dialog runModal] == NSModalResponseOK )
{
NSURL *url = [dialog URL];
const char *utf8Path = [[url path] UTF8String];
// byte count, not char count
size_t len = strlen(utf8Path);//NFDi_UTF8_Strlen(utf8Path);
*outPath = NFDi_Malloc( len+1 );
if ( !*outPath )
{
[pool release];
return NFD_ERROR;
}
memcpy( *outPath, utf8Path, len+1 ); /* copy null term */
nfdResult = NFD_OKAY;
}
[pool release];
return nfdResult;
}
nfdresult_t NFD_OpenDialogMultiple( const nfdchar_t *filterList,
const nfdchar_t *defaultPath,
nfdpathset_t *outPaths )
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSOpenPanel *dialog = [NSOpenPanel openPanel];
[dialog setAllowsMultipleSelection:YES];
// Build the fiter list.
AddFilterListToDialog(dialog, filterList);
// Set the starting directory
SetDefaultPath(dialog, defaultPath);
nfdresult_t nfdResult = NFD_CANCEL;
if ( [dialog runModal] == NSModalResponseOK )
{
NSArray *urls = [dialog URLs];
if ( [urls count] == 0 )
{
[pool release];
return NFD_CANCEL;
}
if ( AllocPathSet( urls, outPaths ) == NFD_ERROR )
{
[pool release];
return NFD_ERROR;
}
nfdResult = NFD_OKAY;
}
[pool release];
return nfdResult;
}
nfdresult_t NFD_SaveDialog( const nfdchar_t *filterList,
const nfdchar_t *defaultPath,
nfdchar_t **outPath )
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSSavePanel *dialog = [NSSavePanel savePanel];
[dialog setExtensionHidden:NO];
// Build the filter list.
AddFilterListToDialog(dialog, filterList);
// Set the starting directory
SetDefaultPath(dialog, defaultPath);
nfdresult_t nfdResult = NFD_CANCEL;
if ( [dialog runModal] == NSModalResponseOK )
{
NSURL *url = [dialog URL];
const char *utf8Path = [[url path] UTF8String];
size_t byteLen = [url.path lengthOfBytesUsingEncoding:NSUTF8StringEncoding] + 1;
*outPath = NFDi_Malloc( byteLen );
if ( !*outPath )
{
[pool release];
return NFD_ERROR;
}
memcpy( *outPath, utf8Path, byteLen );
nfdResult = NFD_OKAY;
}
[pool release];
return nfdResult;
}