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Refine the code logic for browser and display engine.

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Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14543 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Eric Dong
2013-08-12 04:49:48 +00:00
committed by ydong10
parent 6b1ac44423
commit 5a9f73bf06
20 changed files with 218 additions and 8165 deletions
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67
MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
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@ -97,9 +97,9 @@ EFI_GUID gDisplayEngineGuid = {
0xE38C1029, 0xE38F, 0x45b9, {0x8F, 0x0D, 0xE2, 0xE6, 0x0B, 0xC9, 0xB2, 0x62}
};
FORM_ENTRY_INFO gFormEntryInfo;
UINTN gSequence;
EFI_SCREEN_DESCRIPTOR gStatementDimensions;
EFI_SCREEN_DESCRIPTOR gOldStatementDimensions = {0};
BOOLEAN mStatementLayoutIsChanged = TRUE;
USER_INPUT *gUserInput;
FORM_DISPLAY_ENGINE_FORM *gFormData;
@ -107,6 +107,8 @@ EFI_HII_HANDLE gHiiHandle;
UINT16 gDirection;
LIST_ENTRY gMenuOption;
DISPLAY_HIGHLIGHT_MENU_INFO gHighligthMenuInfo = {0};
BOOLEAN mIsFirstForm = TRUE;
FORM_ENTRY_INFO gOldFormEntry = {0};
//
// Browser Global Strings
@ -138,7 +140,7 @@ FORM_DISPLAY_DRIVER_PRIVATE_DATA mPrivateData = {
NULL,
{
FormDisplay,
ClearDisplayPage,
DriverClearDisplayPage,
ConfirmDataChange
}
};
@ -2978,6 +2980,7 @@ UiDisplayMenu (
break;
case CfExit:
gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
if (HelpString != NULL) {
FreePool (HelpString);
}
@ -3096,18 +3099,67 @@ FormDisplay (
return Status;
}
if (CompareMem (&gOldStatementDimensions, &gStatementDimensions, sizeof (gStatementDimensions)) == 0) {
mStatementLayoutIsChanged = FALSE;
} else {
//
// Check whether layout is changed.
//
if (mIsFirstForm
|| (gOldFormEntry.HiiHandle != FormData->HiiHandle)
|| (!CompareGuid (&gOldFormEntry.FormSetGuid, &FormData->FormSetGuid))
|| (gOldFormEntry.FormId != FormData->FormId)) {
mStatementLayoutIsChanged = TRUE;
CopyMem (&gOldStatementDimensions, &gStatementDimensions, sizeof (gStatementDimensions));
} else {
mStatementLayoutIsChanged = FALSE;
}
Status = UiDisplayMenu(FormData);
//
// Backup last form info.
//
mIsFirstForm = FALSE;
gOldFormEntry.HiiHandle = FormData->HiiHandle;
CopyGuid (&gOldFormEntry.FormSetGuid, &FormData->FormSetGuid);
gOldFormEntry.FormId = FormData->FormId;
return Status;
}
/**
Clear Screen to the initial state.
**/
VOID
EFIAPI
DriverClearDisplayPage (
VOID
)
{
ClearDisplayPage ();
mIsFirstForm = TRUE;
}
/**
Set Buffer to Value for Size bytes.
@param Buffer Memory to set.
@param Size Number of bytes to set
@param Value Value of the set operation.
**/
VOID
SetUnicodeMem (
IN VOID *Buffer,
IN UINTN Size,
IN CHAR16 Value
)
{
CHAR16 *Ptr;
Ptr = Buffer;
while ((Size--) != 0) {
*(Ptr++) = Value;
}
}
/**
Initialize Setup Browser driver.
@ -3153,6 +3205,9 @@ InitializeDisplayEngine (
ASSERT_EFI_ERROR (Status);
InitializeDisplayStrings();
ZeroMem (&gHighligthMenuInfo, sizeof (gHighligthMenuInfo));
ZeroMem (&gOldFormEntry, sizeof (gOldFormEntry));
//
// Use BrowserEx2 protocol to register HotKey.