subsurface/windows.c
Dirk Hohndel 7148dea827 Once again improve existing filename handling
Several potential problems.
- we could end up dereferencing exiting_filename when it was NULL
- we could free the default_filename by mistake -
  subsurface_default_filename always needs to return a copy of it
- closing the existing file before opening a new one repopulated the
  existing_filename with the default filename - preventing the opened
  file to become the new existing filename

Also, make existing filename a const char * and make file_open have the
same sensible default folder behavior as the other file related functions.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2012-09-17 21:03:30 -04:00

126 lines
3 KiB
C

/* windows.c */
/* implements Windows specific functions */
#include "dive.h"
#include "display-gtk.h"
#include <windows.h>
#include <shlobj.h>
#define DIVELIST_DEFAULT_FONT "Sans 8"
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_flush_conf(void)
{
/* this is a no-op */
}
void subsurface_close_conf(void)
{
RegCloseKey(hkey);
}
const char *subsurface_USB_name()
{
return "COM3";
}
const char *subsurface_icon_name()
{
return "subsurface.ico";
}
const char *subsurface_default_filename()
{
if (default_filename) {
return strdup(default_filename);
} else {
char datapath[MAX_PATH];
const char *user;
char *buffer;
int len;
user = g_get_user_name();
if (! SUCCEEDED(SHGetFolderPath(NULL, CSIDL_APPDATA, NULL, 0, datapath))) {
datapath[0] = '.';
datapath[1] = '\0';
}
len = strlen(datapath) + strlen(user) + 17;
buffer = malloc(len);
snprintf(buffer, len, "%s\\Subsurface\\%s.xml", datapath, user);
return buffer;
}
}
void subsurface_ui_setup(GtkSettings *settings, GtkWidget *menubar,
GtkWidget *vbox, GtkUIManager *ui_manager)
{
if (!divelist_font)
divelist_font = DIVELIST_DEFAULT_FONT;
gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0);
}