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/* windows.c */
/* implements Windows specific functions */
#include "display-gtk.h"
#include <windows.h>
static HKEY hkey;
static int get_from_registry(HKEY hkey, const char *key)
{
DWORD value;
DWORD len = 4;
LONG success;
success = RegQueryValueEx(hkey, (LPCTSTR)TEXT(key), NULL, NULL,
(LPBYTE) &value, (LPDWORD)&len );
if (success != ERROR_SUCCESS)
return FALSE; /* that's what happens the first time we start */
return value;
}
void subsurface_open_conf(void)
{
LONG success;
success = RegCreateKeyEx(HKEY_CURRENT_USER, (LPCTSTR)TEXT("Software\\subsurface"),
0L, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS,
NULL, &hkey, NULL);
if (success != ERROR_SUCCESS)
printf("CreateKey Software\\subsurface failed %ld\n", success);
}
void subsurface_set_conf(char *name, pref_type_t type, const void *value)
{
/* since we are using the pointer 'value' as both an actual
* pointer to the string setting and as a way to pass the
* numbers 0 and 1 to this function for booleans, one of the
* calls to RegSetValueEx needs to pass &value (when we want
* to pass the boolean value), the other one passes value (the
* address of the string. */
switch (type) {
case PREF_BOOL:
/* we simply store the value as DWORD */
RegSetValueEx(hkey, (LPCTSTR)TEXT(name), 0, REG_DWORD, (const BYTE *)&value, 4);
break;
case PREF_STRING:
RegSetValueEx(hkey, (LPCTSTR)TEXT(name), 0, REG_SZ, (const BYTE *)value, strlen(value));
}
}
const void *subsurface_get_conf(char *name, pref_type_t type)
{
LONG success;
char *string;
int len;
switch (type) {
case PREF_BOOL:
return get_from_registry(hkey, name) ? (void *) 1 : NULL;
case PREF_STRING:
string = malloc(80);
len = 80;
success = RegQueryValueEx(hkey, (LPCTSTR)TEXT(name), NULL, NULL,
(LPBYTE) string, (LPDWORD)&len );
if (success != ERROR_SUCCESS) {
/* that's what happens the first time we start - just return NULL */
free(string);
return NULL;
}
return string;
}
/* we shouldn't get here */
return NULL;
}
void subsurface_close_conf(void)
{
if (RegFlushKey(hkey) != ERROR_SUCCESS)
printf("RegFlushKey failed \n");
RegCloseKey(hkey);
}
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