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/* macos.c */
/* implements Mac OS X specific functions */
#include "display-gtk.h"
#include <CoreFoundation/CoreFoundation.h>
static CFURLRef fileURL;
static CFPropertyListRef propertyList;
static CFMutableDictionaryRef dict = NULL;
/* macos defines CFSTR to create a CFString object from a constant,
* but no similar macros if a C string variable is supposed to be
* the argument. We add this here (hardcoding the default allocator
* and MacRoman encoding */
#define CFSTR_VAR(_var) CFStringCreateWithCStringNoCopy(kCFAllocatorDefault, \
(_var), kCFStringEncodingMacRoman, \
kCFAllocatorNull)
void subsurface_open_conf(void)
{
CFStringRef errorString;
CFDataRef resourceData;
Boolean status;
SInt32 errorCode;
fileURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
CFSTR("subsurface.pref"),// file path name
kCFURLPOSIXPathStyle, // interpret as POSIX path
false ); // is it a directory?
status = CFURLCreateDataAndPropertiesFromResource(kCFAllocatorDefault,
fileURL, &resourceData,
NULL, NULL, &errorCode);
if (status) {
propertyList = CFPropertyListCreateFromXMLData(kCFAllocatorDefault,
resourceData, kCFPropertyListImmutable,
&errorString);
CFRelease(resourceData);
}
}
void subsurface_set_conf(char *name, pref_type_t type, const void *value)
{
if (!dict)
dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
switch (type) {
case PREF_BOOL:
CFDictionarySetValue(dict, CFSTR_VAR(name), value == NULL ? CFSTR("0") : CFSTR("1"));
break;
case PREF_STRING:
CFDictionarySetValue(dict, CFSTR_VAR(name), CFSTR_VAR(value));
}
}
const void *subsurface_get_conf(char *name, pref_type_t type)
{
CFStringRef dict_entry;
/* if no settings exist, we return the value for FALSE */
if (!propertyList)
return NULL;
switch (type) {
case PREF_BOOL:
dict_entry = CFDictionaryGetValue(propertyList, CFSTR_VAR(name));
if (dict_entry && ! CFStringCompare(CFSTR("1"), dict_entry, 0))
return (void *) 1;
else
return NULL;
case PREF_STRING:
return CFStringGetCStringPtr(CFDictionaryGetValue(propertyList,
CFSTR_VAR(name)), kCFStringEncodingMacRoman);
}
/* we shouldn't get here, but having this line makes the compiler happy */
return NULL;
}
void subsurface_close_conf(void)
{
Boolean status;
SInt32 errorCode;
CFDataRef xmlData;
propertyList = dict;
dict = NULL;
xmlData = CFPropertyListCreateXMLData(kCFAllocatorDefault, propertyList);
status = CFURLWriteDataAndPropertiesToResource (fileURL, xmlData, NULL, &errorCode);
// some error handling - but really, what can we do?
CFRelease(xmlData);
CFRelease(propertyList);
}
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