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windows.c: added device retrieval from subsurface_fill_device_list()

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subsurface_fill_device_list() now goes trough the list of registry
entries in the SERIALCOMM key and adds all present values (such as
COM1, COM2) to a GtkListStore. Once done the function compares
all logic drive label to a static list of known DC labels,
such a 'UEMISSDA', which is the only present one at the moment
and adds any matching drive letters (e.g. C:\, H:\) to the list store
as well.

If no serial ports were added or no matching logical drives were found
the function simply adds a default entry named "COM1".

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
This commit is contained in:
Lubomir I. Ivanov 2012-10-29 21:48:43 +02:00 committed by Dirk Hohndel
parent 2de6f79635
commit ab8af0bdeb
1 changed files with 57 additions and 6 deletions
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63
windows.c
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@ -121,15 +121,66 @@ void subsurface_close_conf(void)
int subsurface_fill_device_list(GtkListStore *store)
{
const int bufdef = 512;
const char *dlabels[] = {"UEMISSDA", NULL};
const char *devdef = "COM1";
GtkTreeIter iter;
int index = -1;
int index = -1, nentries = 0, ret, i;
char bufname[bufdef], bufval[bufdef], *p;
DWORD nvalues, bufval_len, bufname_len;
HKEY key;
/* add serial ports */
ret = RegOpenKeyExA(HKEY_LOCAL_MACHINE, "HARDWARE\\DEVICEMAP\\SERIALCOMM",
0, KEY_READ, &key);
if (ret == ERROR_SUCCESS) {
ret = RegQueryInfoKeyA(key, NULL, NULL, NULL, NULL, NULL, NULL, &nvalues,
NULL, NULL, NULL, NULL);
if (ret == ERROR_SUCCESS)
for (i = 0; i < nvalues; i++) {
memset(bufval, 0, bufdef);
memset(bufname, 0, bufdef);
bufname_len = bufdef;
bufval_len = bufdef;
ret = RegEnumValueA(key, i, bufname, &bufname_len, NULL, NULL, bufval,
&bufval_len);
if (ret == ERROR_SUCCESS) {
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter, 0, bufval, -1);
if (is_default_dive_computer_device(bufval))
index = nentries;
nentries++;
}
}
}
/* add drive letters that match labels */
memset(bufname, 0, bufdef);
bufname_len = bufdef;
if (GetLogicalDriveStringsA(bufname_len, bufname)) {
p = bufname;
while (*p) {
memset(bufval, 0, bufdef);
if (GetVolumeInformationA(p, bufval, bufdef, NULL, NULL, NULL, NULL, 0)) {
for (i = 0; dlabels[i] != NULL; i++)
if (!strcmp(bufval, dlabels[i])) {
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter, 0, p, -1);
if (is_default_dive_computer_device(p))
index = nentries;
nentries++;
}
}
p = &p[strlen(p) + 1];
}
}
/* if we can't find anything, use the default */
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter,
0, "COM3", -1);
if (is_default_dive_computer_device("COM3"))
index = 0;
if (!nentries) {
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter,
0, devdef, -1);
if (is_default_dive_computer_device(devdef))
index = 0;
}
return index;
}