Aric Stewart : hid: Implement HidP_GetValueCaps.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0bb216ff35df078333656a43ffb1fe301444d605
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=0bb216ff35df078333656a43ffb1fe301444d605

Author: Aric Stewart <aric at codeweavers.com>
Date:   Tue Jun 30 07:39:55 2015 -0500

hid: Implement HidP_GetValueCaps.

---

 dlls/hid/hid.spec   |  2 +-
 dlls/hid/hidp.c     | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 include/ddk/hidpi.h |  2 ++
 3 files changed, 61 insertions(+), 1 deletion(-)

diff --git a/dlls/hid/hid.spec b/dlls/hid/hid.spec
index 4bd9f4e..214fa9e 100644
--- a/dlls/hid/hid.spec
+++ b/dlls/hid/hid.spec
@@ -30,7 +30,7 @@
 @ stub HidP_GetUsageValueArray
 @ stub HidP_GetUsages
 @ stub HidP_GetUsagesEx
-@ stub HidP_GetValueCaps
+@ stdcall HidP_GetValueCaps(long ptr ptr ptr)
 @ stub HidP_InitializeReportForID
 @ stub HidP_MaxDataListLength
 @ stub HidP_MaxUsageListLength
diff --git a/dlls/hid/hidp.c b/dlls/hid/hidp.c
index 47864fa..5823cfb 100644
--- a/dlls/hid/hidp.c
+++ b/dlls/hid/hidp.c
@@ -109,3 +109,61 @@ NTSTATUS WINAPI HidP_GetCaps(PHIDP_PREPARSED_DATA PreparsedData,
 
     return HIDP_STATUS_SUCCESS;
 }
+
+
+NTSTATUS WINAPI HidP_GetValueCaps(HIDP_REPORT_TYPE ReportType, PHIDP_VALUE_CAPS ValueCaps,
+                                  PUSHORT ValueCapsLength, PHIDP_PREPARSED_DATA PreparsedData)
+{
+    PWINE_HIDP_PREPARSED_DATA data = (PWINE_HIDP_PREPARSED_DATA)PreparsedData;
+    WINE_HID_REPORT *report = NULL;
+    USHORT v_count = 0, r_count = 0;
+    int i,j,u;
+
+    TRACE("(%i, %p, %p, %p)\n", ReportType, ValueCaps, ValueCapsLength, PreparsedData);
+
+    if (data->magic != HID_MAGIC)
+        return HIDP_STATUS_INVALID_PREPARSED_DATA;
+
+    switch(ReportType)
+    {
+        case HidP_Input:
+            v_count = data->caps.NumberInputValueCaps;
+            r_count = data->dwInputReportCount;
+            report = HID_INPUT_REPORTS(data);
+            break;
+        case HidP_Output:
+            v_count = data->caps.NumberOutputValueCaps;
+            r_count = data->dwOutputReportCount;
+            report = HID_OUTPUT_REPORTS(data);
+            break;
+        case HidP_Feature:
+            v_count = data->caps.NumberFeatureValueCaps;
+            r_count = data->dwFeatureReportCount;
+            report = HID_FEATURE_REPORTS(data);
+            break;
+        default:
+            return HIDP_STATUS_INVALID_REPORT_TYPE;
+    }
+
+    if (!r_count || !v_count || !report)
+    {
+        *ValueCapsLength = 0;
+        return HIDP_STATUS_SUCCESS;
+    }
+
+    v_count = min(v_count, *ValueCapsLength);
+
+    u = 0;
+    for (j = 0; j < r_count && u < v_count; j++)
+    {
+        for (i = 0; i < report->elementCount && u < v_count; i++)
+        {
+            if (report->Elements[i].ElementType == ValueElement)
+                ValueCaps[u++] = report->Elements[i].caps.value;
+        }
+        report = HID_NEXT_REPORT(data, report);
+    }
+
+    *ValueCapsLength = v_count;
+    return HIDP_STATUS_SUCCESS;
+}
diff --git a/include/ddk/hidpi.h b/include/ddk/hidpi.h
index 729f2d9..c63d3e3 100644
--- a/include/ddk/hidpi.h
+++ b/include/ddk/hidpi.h
@@ -138,6 +138,8 @@ typedef struct _HIDP_CAPS
 
 NTSTATUS WINAPI HidP_GetButtonCaps(HIDP_REPORT_TYPE ReportType, PHIDP_BUTTON_CAPS ButtonCaps, PUSHORT  ButtonCapsLength, PHIDP_PREPARSED_DATA PreparsedData);
 NTSTATUS WINAPI HidP_GetCaps(PHIDP_PREPARSED_DATA PreparsedData, PHIDP_CAPS Capabilities);
+NTSTATUS WINAPI HidP_GetValueCaps(HIDP_REPORT_TYPE ReportType, PHIDP_VALUE_CAPS ValueCaps, PUSHORT ValueCapsLength, PHIDP_PREPARSED_DATA PreparsedData);
+
 
 #ifndef FACILITY_HID_ERROR_CODE
 #define FACILITY_HID_ERROR_CODE 0x11