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wine-staging/patches/dinput-joy-mappings/0001-dinput-Allow-empty-Joystick-mappings.patch
Alistair Leslie-Hughes a9aa06c58e Updated dinput-joy-mappings patchset
2021-11-13 19:00:48 +11:00

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From ef0da9342b0ced44da1ed8532941d53f48ead602 Mon Sep 17 00:00:00 2001
From: Jetro Jormalainen <jje-wine@jv.jetro.fi>
Date: Tue, 30 Apr 2019 09:20:54 +1000
Subject: [PATCH] dinput: Allow empty Joystick mappings.
---
dlls/dinput/device.c | 77 ++++++++++++++++++++++++++++++-------
dlls/dinput8/tests/device.c | 50 ++++++++++++++++++++++++
2 files changed, 113 insertions(+), 14 deletions(-)
diff --git a/dlls/dinput/device.c b/dlls/dinput/device.c
index b423337c9ce..c9466655ce4 100644
--- a/dlls/dinput/device.c
+++ b/dlls/dinput/device.c
@@ -356,12 +356,26 @@ static DWORD semantic_to_obj_id( struct dinput_device *This, DWORD dwSemantic )
return type | (0x0000ff00 & (instance << 8));
}
+static void del_mapping_key(const WCHAR *device, const WCHAR *username, const WCHAR *guid) {
+ static const WCHAR subkey[] = L"Software\\Wine\\DirectInput\\Mappings\\%s\\%s\\%s";
+ DWORD len = wcslen(subkey) + wcslen(username) + wcslen(device) + wcslen(guid);
+ WCHAR *keyname;
+
+ keyname = malloc(len * sizeof(WCHAR));
+ swprintf(keyname, len, subkey, username, device, guid);
+
+ /* Remove old key mappings so there will be no overlapping mappings */
+ RegDeleteKeyW(HKEY_CURRENT_USER, keyname);
+
+ free(keyname);
+}
+
/*
* get_mapping_key
* Retrieves an open registry key to save the mapping, parametrized for an username,
* specific device and specific action mapping guid.
*/
-static HKEY get_mapping_key(const WCHAR *device, const WCHAR *username, const WCHAR *guid)
+static HKEY get_mapping_key(const WCHAR *device, const WCHAR *username, const WCHAR *guid, BOOL create)
{
static const WCHAR *subkey = L"Software\\Wine\\DirectInput\\Mappings\\%s\\%s\\%s";
HKEY hkey;
@@ -372,8 +386,11 @@ static HKEY get_mapping_key(const WCHAR *device, const WCHAR *username, const WC
swprintf( keyname, len, subkey, username, device, guid );
/* The key used is HKCU\Software\Wine\DirectInput\Mappings\[username]\[device]\[mapping_guid] */
- if (RegCreateKeyW(HKEY_CURRENT_USER, keyname, &hkey))
- hkey = 0;
+ if (create) {
+ if (RegCreateKeyW(HKEY_CURRENT_USER, keyname, &hkey))
+ hkey = 0;
+ } else if (RegOpenKeyW(HKEY_CURRENT_USER, keyname, &hkey))
+ hkey = 0;
free( keyname );
@@ -393,7 +410,9 @@ static HRESULT save_mapping_settings(IDirectInputDevice8W *iface, LPDIACTIONFORM
if (StringFromCLSID(&lpdiaf->guidActionMap, &guid_str) != S_OK)
return DI_SETTINGSNOTSAVED;
- hkey = get_mapping_key(didev.tszInstanceName, lpszUsername, guid_str);
+ del_mapping_key(didev.tszInstanceName, lpszUsername, guid_str);
+
+ hkey = get_mapping_key(didev.tszInstanceName, lpszUsername, guid_str, TRUE);
if (!hkey)
{
@@ -428,7 +447,7 @@ static BOOL load_mapping_settings( struct dinput_device *This, LPDIACTIONFORMATW
HKEY hkey;
WCHAR *guid_str;
DIDEVICEINSTANCEW didev;
- int i, mapped = 0;
+ int i;
didev.dwSize = sizeof(didev);
IDirectInputDevice8_GetDeviceInfo(&This->IDirectInputDevice8W_iface, &didev);
@@ -436,7 +455,7 @@ static BOOL load_mapping_settings( struct dinput_device *This, LPDIACTIONFORMATW
if (StringFromCLSID(&lpdiaf->guidActionMap, &guid_str) != S_OK)
return FALSE;
- hkey = get_mapping_key(didev.tszInstanceName, username, guid_str);
+ hkey = get_mapping_key(didev.tszInstanceName, username, guid_str, FALSE);
if (!hkey)
{
@@ -456,15 +475,20 @@ static BOOL load_mapping_settings( struct dinput_device *This, LPDIACTIONFORMATW
{
lpdiaf->rgoAction[i].dwObjID = id;
lpdiaf->rgoAction[i].guidInstance = didev.guidInstance;
- lpdiaf->rgoAction[i].dwHow = DIAH_DEFAULT;
- mapped += 1;
+ lpdiaf->rgoAction[i].dwHow = DIAH_USERCONFIG;
+ }
+ else
+ {
+ memset(&lpdiaf->rgoAction[i].guidInstance, 0, sizeof(GUID));
+ lpdiaf->rgoAction[i].dwHow = DIAH_UNMAPPED;
}
}
RegCloseKey(hkey);
CoTaskMemFree(guid_str);
- return mapped > 0;
+ /* On Windows BuildActionMap can open empty mapping, so always return TRUE if get_mapping_key is success */
+ return TRUE;
}
static BOOL set_app_data( struct dinput_device *dev, int offset, UINT_PTR app_data )
@@ -1607,13 +1631,18 @@ static HRESULT WINAPI dinput_device_BuildActionMap( IDirectInputDevice8W *iface,
load_success = load_mapping_settings( impl, format, username_buf );
}
- if (load_success) return DI_OK;
+ if (load_success) {
+ /* Update dwCRC to track if action format has changed */
+ for (i=0; i < format->dwNumActions; i++)
+ {
+ format->dwCRC ^= (format->rgoAction[i].dwObjID << i * 2) | (format->rgoAction[i].dwObjID >> (sizeof(format->dwCRC) * 8 - i * 2));
+ format->dwCRC ^= (format->rgoAction[i].dwSemantic << (i * 2 + 5)) | (format->rgoAction[i].dwSemantic >> (sizeof(format->dwCRC) * 8 - (i * 2 + 5)));
+ }
+ return DI_OK;
+ }
for (i = 0; i < format->dwNumActions; i++)
{
- /* Don't touch a user configured action */
- if (format->rgoAction[i].dwHow == DIAH_USERCONFIG) continue;
-
genre = format->rgoAction[i].dwSemantic & DIGENRE_ANY;
if (devMask == genre || (devMask == DIGENRE_ANY && genre != DIMOUSE_MASK && genre != DIKEYBOARD_MASK))
{
@@ -1645,6 +1674,14 @@ static HRESULT WINAPI dinput_device_BuildActionMap( IDirectInputDevice8W *iface,
}
}
+ /* Update dwCRC to track if action format has changed */
+ format->dwCRC = 0;
+ for (i=0; i < format->dwNumActions; i++)
+ {
+ format->dwCRC ^= (format->rgoAction[i].dwObjID << i * 2) | (format->rgoAction[i].dwObjID >> (sizeof(format->dwCRC) * 8 - i * 2));
+ format->dwCRC ^= (format->rgoAction[i].dwSemantic << (i * 2 + 5)) | (format->rgoAction[i].dwSemantic >> (sizeof(format->dwCRC) * 8 - (i * 2 + 5)));
+ }
+
if (!has_actions) return DI_NOEFFECT;
if (flags & (DIDBAM_DEFAULT|DIDBAM_PRESERVE|DIDBAM_INITIALIZE|DIDBAM_HWDEFAULTS))
FIXME("Unimplemented flags %#x\n", flags);
@@ -1662,6 +1699,7 @@ static HRESULT WINAPI dinput_device_SetActionMap( IDirectInputDevice8W *iface, D
DIPROPSTRING dps;
WCHAR username_buf[MAX_PATH];
DWORD username_len = MAX_PATH;
+ DWORD new_crc = 0;
int i, action = 0, num_actions = 0;
unsigned int offset = 0;
const DIDATAFORMAT *df;
@@ -1694,12 +1732,23 @@ static HRESULT WINAPI dinput_device_SetActionMap( IDirectInputDevice8W *iface, D
data_format.dwFlags = DIDF_RELAXIS;
data_format.dwDataSize = format->dwDataSize;
+ /* Calculate checksum for actionformat */
+ for (i=0; i < format->dwNumActions; i++)
+ {
+ new_crc ^= (format->rgoAction[i].dwObjID << i * 2) | (format->rgoAction[i].dwObjID >> (sizeof(format->dwCRC) * 8 - i * 2));
+ new_crc ^= (format->rgoAction[i].dwSemantic << (i * 2 + 5)) | (format->rgoAction[i].dwSemantic >> (sizeof(format->dwCRC) * 8 - (i * 2 + 5)));
+ }
+
/* Count the actions */
for (i = 0; i < format->dwNumActions; i++)
if (IsEqualGUID( &impl->guid, &format->rgoAction[i].guidInstance ))
num_actions++;
- if (num_actions == 0) return DI_NOEFFECT;
+ /* Should return DI_NOEFFECT if we dont have any actions and actionformat has not changed */
+ if (num_actions == 0 && format->dwCRC == new_crc && !(flags & DIDSAM_FORCESAVE)) return DI_NOEFFECT;
+
+ /* update dwCRC to track if action format has changed */
+ format->dwCRC = new_crc;
/* Construct the dataformat and actionmap */
obj_df = malloc( sizeof(DIOBJECTDATAFORMAT) * num_actions );
diff --git a/dlls/dinput8/tests/device.c b/dlls/dinput8/tests/device.c
index 5ae9e225dc9..d3e86c68176 100644
--- a/dlls/dinput8/tests/device.c
+++ b/dlls/dinput8/tests/device.c
@@ -48,6 +48,8 @@ struct enum_data {
/* Dummy GUID */
static const GUID ACTION_MAPPING_GUID = { 0x1, 0x2, 0x3, { 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb } };
+static const GUID NULL_GUID = { 0, 0, 0, { 0, 0, 0, 0, 0, 0, 0, 0 } };
+
enum {
DITEST_AXIS,
DITEST_BUTTON,
@@ -472,6 +474,17 @@ static void test_action_mapping(void)
hr = IDirectInputDevice8_SetActionMap(data.keyboard, data.lpdiaf, NULL, 0);
ok (hr == DI_NOEFFECT, "SetActionMap should have no effect with no actions to map hr=%08x\n", hr);
+ /* Test that after changing actionformat SetActionMap has effect and that second
+ * SetActionMap call with same empty actionformat has no effect */
+ af.dwDataSize = 4 * 1;
+ af.dwNumActions = 1;
+
+ hr = IDirectInputDevice8_SetActionMap(data.keyboard, data.lpdiaf, NULL, 0);
+ ok (hr != DI_NOEFFECT, "SetActionMap should have effect as actionformat has changed hr=%08x\n", hr);
+
+ hr = IDirectInputDevice8_SetActionMap(data.keyboard, data.lpdiaf, NULL, 0);
+ ok (hr == DI_NOEFFECT, "SetActionMap should have no effect with no actions to map hr=%08x\n", hr);
+
af.dwDataSize = 4 * ARRAY_SIZE(actionMapping);
af.dwNumActions = ARRAY_SIZE(actionMapping);
@@ -663,6 +676,43 @@ static void test_save_settings(void)
"Mapped incorrectly expected: 0x%08x got: 0x%08x\n", other_results[1], af.rgoAction[1].dwObjID);
ok (IsEqualGUID(&GUID_SysKeyboard, &af.rgoAction[1].guidInstance), "Action should be mapped to keyboard\n");
+ /* Save and load empty mapping */
+ af.rgoAction[0].dwObjID = 0;
+ af.rgoAction[0].dwHow = 0;
+ memset(&af.rgoAction[0].guidInstance, 0, sizeof(GUID));
+ af.rgoAction[1].dwObjID = 0;
+ af.rgoAction[1].dwHow = 0;
+ memset(&af.rgoAction[1].guidInstance, 0, sizeof(GUID));
+
+ hr = IDirectInputDevice8_SetActionMap(pKey, &af, NULL, DIDSAM_FORCESAVE);
+ ok (SUCCEEDED(hr), "SetActionMap failed hr=%08x\n", hr);
+
+ if (hr == DI_SETTINGSNOTSAVED)
+ {
+ skip ("Can't test saving settings if SetActionMap returns DI_SETTINGSNOTSAVED\n");
+ return;
+ }
+
+ af.rgoAction[0].dwObjID = other_results[0];
+ af.rgoAction[0].dwHow = DIAH_USERCONFIG;
+ af.rgoAction[0].guidInstance = GUID_SysKeyboard;
+ af.rgoAction[1].dwObjID = other_results[1];
+ af.rgoAction[1].dwHow = DIAH_USERCONFIG;
+ af.rgoAction[1].guidInstance = GUID_SysKeyboard;
+
+ hr = IDirectInputDevice8_BuildActionMap(pKey, &af, NULL, 0);
+ ok (SUCCEEDED(hr), "BuildActionMap failed hr=%08x\n", hr);
+
+ ok (other_results[0] == af.rgoAction[0].dwObjID,
+ "Mapped incorrectly expected: 0x%08x got: 0x%08x\n", other_results[0], af.rgoAction[0].dwObjID);
+ ok (af.rgoAction[0].dwHow == DIAH_UNMAPPED, "dwHow should have been DIAH_UNMAPPED\n");
+ ok (IsEqualGUID(&NULL_GUID, &af.rgoAction[0].guidInstance), "Action should not be mapped\n");
+
+ ok (other_results[1] == af.rgoAction[1].dwObjID,
+ "Mapped incorrectly expected: 0x%08x got: 0x%08x\n", other_results[1], af.rgoAction[1].dwObjID);
+ ok (af.rgoAction[1].dwHow == DIAH_UNMAPPED, "dwHow should have been DIAH_UNMAPPED\n");
+ ok (IsEqualGUID(&NULL_GUID, &af.rgoAction[1].guidInstance), "Action should not be mapped\n");
+
IDirectInputDevice_Release(pKey);
IDirectInput_Release(pDI);
}
--
2.33.0
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