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[HOTPLUG] Show removable devices and update the list on arrival and removal.

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This commit is contained in:
Eric Kohl 2020-03-30 23:11:44 +02:00
parent 30dcc229f0
commit cbdf649f2c
2 changed files with 115 additions and 0 deletions
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111
dll/cpl/hotplug/hotplug.c
View file

@ -21,6 +21,93 @@ APPLET Applets[NUM_APPLETS] =
};
static
VOID
EnumHotpluggedDevices(HWND hwndDeviceTree)
{
WCHAR szDisplayName[40];
SP_DEVINFO_DATA did = { 0 };
HDEVINFO hdev;
int idev;
DWORD dwCapabilities, dwSize;
ULONG ulStatus, ulProblem;
TVINSERTSTRUCTW tvItem;
CONFIGRET cr;
TreeView_DeleteAllItems(hwndDeviceTree);
hdev = SetupDiGetClassDevs(NULL, NULL, 0, DIGCF_ALLCLASSES | DIGCF_PRESENT);
if (hdev == INVALID_HANDLE_VALUE)
return;
did.cbSize = sizeof(did);
/* Enumerate all the attached devices */
for (idev = 0; SetupDiEnumDeviceInfo(hdev, idev, &did); idev++)
{
ulStatus = 0;
ulProblem = 0;
cr = CM_Get_DevNode_Status(&ulStatus,
&ulProblem,
did.DevInst,
0);
if (cr != CR_SUCCESS)
continue;
dwCapabilities = 0,
dwSize = sizeof(dwCapabilities);
cr = CM_Get_DevNode_Registry_Property(did.DevInst,
CM_DRP_CAPABILITIES,
NULL,
&dwCapabilities,
&dwSize,
0);
if (cr != CR_SUCCESS)
continue;
/* Add devices that require safe removal to the device tree */
if ( (dwCapabilities & CM_DEVCAP_REMOVABLE) &&
!(dwCapabilities & CM_DEVCAP_DOCKDEVICE) &&
!(dwCapabilities & CM_DEVCAP_SURPRISEREMOVALOK) &&
((dwCapabilities & CM_DEVCAP_EJECTSUPPORTED) || (ulStatus & DN_DISABLEABLE)) &&
ulProblem == 0)
{
/* Get the device description */
dwSize = sizeof(szDisplayName);
cr = CM_Get_DevNode_Registry_Property(did.DevInst,
CM_DRP_DEVICEDESC,
NULL,
szDisplayName,
&dwSize,
0);
if (cr != CR_SUCCESS)
wcscpy(szDisplayName, L"Unknown Device");
/* Add it to the device tree */
ZeroMemory(&tvItem, sizeof(tvItem));
tvItem.hParent = TVI_ROOT;
tvItem.hInsertAfter = TVI_FIRST;
tvItem.item.mask = TVIF_STATE | TVIF_TEXT /*| TVIF_PARAM | TVIF_IMAGE | TVIF_SELECTEDIMAGE */;
tvItem.item.state = TVIS_EXPANDED;
tvItem.item.stateMask = TVIS_EXPANDED;
tvItem.item.pszText = szDisplayName;
// tvItem.item.iImage = IMAGE_SOUND_SECTION;
// tvItem.item.iSelectedImage = IMAGE_SOUND_SECTION;
tvItem.item.lParam = (LPARAM)NULL;
/*hTreeItem = */ TreeView_InsertItem(hwndDeviceTree, &tvItem);
}
}
SetupDiDestroyDeviceInfoList(hdev);
}
INT_PTR
CALLBACK
SafeRemovalDlgProc(
@ -34,17 +121,41 @@ SafeRemovalDlgProc(
switch (uMsg)
{
case WM_INITDIALOG:
EnumHotpluggedDevices(GetDlgItem(hwndDlg, IDC_SAFE_REMOVE_DEVICE_TREE));
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDCLOSE:
KillTimer(hwndDlg, 1);
EndDialog(hwndDlg, TRUE);
break;
}
break;
case WM_DEVICECHANGE:
switch (wParam)
{
case DBT_DEVNODES_CHANGED:
SetTimer(hwndDlg, 1, 500, NULL);
break;
}
break;
case WM_TIMER:
if (wParam == 1)
{
KillTimer(hwndDlg, 1);
EnumHotpluggedDevices(GetDlgItem(hwndDlg, IDC_SAFE_REMOVE_DEVICE_TREE));
}
break;
case WM_CLOSE:
KillTimer(hwndDlg, 1);
EndDialog(hwndDlg, TRUE);
break;
}
return FALSE;

4
dll/cpl/hotplug/hotplug.h
View file

@ -7,10 +7,14 @@
#include <wingdi.h>
#include <winuser.h>
#include <wincon.h>
#include <winreg.h>
#include <commctrl.h>
#include <cpl.h>
#include <tchar.h>
#include <limits.h>
#include <setupapi.h>
#include <cfgmgr32.h>
#include <dbt.h>
#include "resource.h"