Revision: 14678
http://sourceforge.net/p/edk2/code/14678
Author: ydong10
Date: 2013-09-16 09:50:32 +0000 (Mon, 16 Sep 2013)
Log Message:
-----------
Export one interface to support 3rd party to change question attribute, such as
hide/gray out.
Signed-off-by: Eric Dong <[email protected]>
Reviewed-by: Liming Gao <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdeModulePkg/Include/Protocol/DisplayProtocol.h
trunk/edk2/MdeModulePkg/Include/Protocol/FormBrowserEx2.h
trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h
Modified: trunk/edk2/MdeModulePkg/Include/Protocol/DisplayProtocol.h
===================================================================
--- trunk/edk2/MdeModulePkg/Include/Protocol/DisplayProtocol.h 2013-09-16
09:33:55 UTC (rev 14677)
+++ trunk/edk2/MdeModulePkg/Include/Protocol/DisplayProtocol.h 2013-09-16
09:50:32 UTC (rev 14678)
@@ -137,10 +137,12 @@
//
// Attribute for Statement and Form
//
+#define HII_DISPLAY_NONE 0
#define HII_DISPLAY_GRAYOUT BIT0
#define HII_DISPLAY_LOCK BIT1
#define HII_DISPLAY_READONLY BIT2
#define HII_DISPLAY_MODAL BIT3
+#define HII_DISPLAY_SUPPRESS BIT4
struct _FORM_DISPLAY_ENGINE_STATEMENT{
UINTN Signature;
Modified: trunk/edk2/MdeModulePkg/Include/Protocol/FormBrowserEx2.h
===================================================================
--- trunk/edk2/MdeModulePkg/Include/Protocol/FormBrowserEx2.h 2013-09-16
09:33:55 UTC (rev 14677)
+++ trunk/edk2/MdeModulePkg/Include/Protocol/FormBrowserEx2.h 2013-09-16
09:50:32 UTC (rev 14678)
@@ -68,6 +68,21 @@
#define FORM_ENTRY_INFO_FROM_LINK(a) CR (a, FORM_ENTRY_INFO, Link,
FORM_ENTRY_INFO_SIGNATURE)
+#define FORM_QUESTION_ATTRIBUTE_OVERRIDE_SIGNATURE SIGNATURE_32 ('f', 'q',
'o', 's')
+
+typedef struct {
+ UINTN Signature;
+ LIST_ENTRY Link;
+
+ EFI_QUESTION_ID QuestionId; // Find the question
+ EFI_FORM_ID FormId; // Find the form
+ EFI_GUID FormSetGuid; // Find the formset.
+ EFI_HII_HANDLE HiiHandle; // Find the HII handle
+ UINT32 Attribute; // Hide or grayout ...
+} QUESTION_ATTRIBUTE_OVERRIDE;
+
+#define FORM_QUESTION_ATTRIBUTE_OVERRIDE_FROM_LINK(a) CR (a,
QUESTION_ATTRIBUTE_OVERRIDE, Link, FORM_QUESTION_ATTRIBUTE_OVERRIDE_SIGNATURE)
+
struct _EDKII_FORM_BROWSER_EXTENSION2_PROTOCOL {
///
/// Version for protocol future extension.
@@ -82,6 +97,10 @@
/// A list of type FORMID_INFO is Browser View Form History List.
///
LIST_ENTRY FormViewHistoryHead;
+ ///
+ /// A list of type QUESTION_ATTRIBUTE_OVERRIDE.
+ ///
+ LIST_ENTRY OverrideQestListHead;
};
extern EFI_GUID gEdkiiFormBrowserEx2ProtocolGuid;
Modified: trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
===================================================================
--- trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
2013-09-16 09:33:55 UTC (rev 14677)
+++ trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
2013-09-16 09:50:32 UTC (rev 14678)
@@ -571,6 +571,47 @@
/**
+ Get the extra question attribute from override question list.
+
+ @param QuestionId The question id for this request question.
+
+ @retval The attribute for this question or NULL if not found this
+ question in the list.
+
+**/
+UINT32
+ProcessQuestionExtraAttr (
+ IN EFI_QUESTION_ID QuestionId
+ )
+{
+ LIST_ENTRY *Link;
+ QUESTION_ATTRIBUTE_OVERRIDE *QuestionDesc;
+
+ //
+ // Return HII_DISPLAY_NONE if input a invalid question id.
+ //
+ if (QuestionId == 0) {
+ return HII_DISPLAY_NONE;
+ }
+
+ Link = GetFirstNode (&mPrivateData.FormBrowserEx2.OverrideQestListHead);
+ while (!IsNull (&mPrivateData.FormBrowserEx2.OverrideQestListHead, Link)) {
+ QuestionDesc = FORM_QUESTION_ATTRIBUTE_OVERRIDE_FROM_LINK (Link);
+ Link = GetNextNode (&mPrivateData.FormBrowserEx2.OverrideQestListHead,
Link);
+
+ if ((QuestionDesc->QuestionId == QuestionId) &&
+ (QuestionDesc->FormId == gCurrentSelection->FormId) &&
+ (QuestionDesc->HiiHandle == gCurrentSelection->Handle) &&
+ CompareGuid (&QuestionDesc->FormSetGuid,
&gCurrentSelection->FormSetGuid)) {
+ return QuestionDesc->Attribute;
+ }
+ }
+
+ return HII_DISPLAY_NONE;
+}
+
+/**
+
Enum all statement in current form, find all the statement can be display and
add to the display form.
@@ -589,6 +630,7 @@
EFI_EVENT RefreshIntervalEvent;
FORM_BROWSER_REFRESH_EVENT_NODE *EventNode;
BOOLEAN FormEditable;
+ UINT32 ExtraAttribute;
HostDisplayStatement = NULL;
MinRefreshInterval = 0;
@@ -630,6 +672,14 @@
continue;
}
+ //
+ // Check the extra attribute.
+ //
+ ExtraAttribute = ProcessQuestionExtraAttr (Statement->QuestionId);
+ if ((ExtraAttribute & HII_DISPLAY_SUPPRESS) != 0) {
+ continue;
+ }
+
DisplayStatement = AllocateZeroPool (sizeof
(FORM_DISPLAY_ENGINE_STATEMENT));
ASSERT (DisplayStatement != NULL);
@@ -639,6 +689,11 @@
InitializeDisplayStatement(DisplayStatement, Statement,
HostDisplayStatement);
//
+ // Set the extra attribute.
+ //
+ DisplayStatement->Attribute |= ExtraAttribute;
+
+ //
// Save the Host statement info.
// Host statement may has nest statement follow it.
//
Modified: trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
===================================================================
--- trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c 2013-09-16
09:33:55 UTC (rev 14677)
+++ trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c 2013-09-16
09:50:32 UTC (rev 14678)
@@ -766,7 +766,8 @@
//
// Install FormBrowserEx2 protocol
//
- InitializeListHead (&mPrivateData.FormBrowserEx2.FormViewHistoryHead);
+ InitializeListHead (&mPrivateData.FormBrowserEx2.FormViewHistoryHead);
+ InitializeListHead (&mPrivateData.FormBrowserEx2.OverrideQestListHead);
mPrivateData.Handle = NULL;
Status = gBS->InstallProtocolInterface (
&mPrivateData.Handle,
Modified: trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h
===================================================================
--- trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h 2013-09-16
09:33:55 UTC (rev 14677)
+++ trunk/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h 2013-09-16
09:50:32 UTC (rev 14678)
@@ -548,6 +548,7 @@
extern BROWSER_SETTING_SCOPE gBrowserSettingScope;
extern EXIT_HANDLER ExitHandlerFunction;
extern EFI_HII_HANDLE mCurrentHiiHandle;
+extern SETUP_DRIVER_PRIVATE_DATA mPrivateData;
//
// Browser Global Strings
//
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