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Add new "Refresh guid" opcode, also add sample code to use it.

Browse Source 
Signed-off-by: ydong10
Reviewed-by: lgao4


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11767 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10
2011-06-08 08:09:47 +00:00
parent 5b127d7565
commit 211cc6e5cd
8 changed files with 363 additions and 66 deletions
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191
MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
View File

@@ -16,7 +16,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
LIST_ENTRY gMenuOption;
LIST_ENTRY gMenuList = INITIALIZE_LIST_HEAD_VARIABLE (gMenuList);
MENU_REFRESH_ENTRY *gMenuRefreshHead;
MENU_REFRESH_ENTRY *gMenuRefreshHead; // Menu list used for refresh timer opcode.
MENU_REFRESH_ENTRY *gMenuEventGuidRefreshHead; // Menu list used for refresh event guid opcode.
//
// Search table for UiDisplayMenu()
@@ -320,11 +321,116 @@ UiFreeRefreshList (
gMenuRefreshHead = OldMenuRefreshEntry;
}
gMenuRefreshHead = NULL;
while (gMenuEventGuidRefreshHead != NULL) {
OldMenuRefreshEntry = gMenuEventGuidRefreshHead->Next;
if (gMenuEventGuidRefreshHead != NULL) {
gBS->CloseEvent(gMenuEventGuidRefreshHead->Event);
}
FreePool (gMenuEventGuidRefreshHead);
gMenuEventGuidRefreshHead = OldMenuRefreshEntry;
}
}
/**
Refresh question.
@param MenuRefreshEntry Menu refresh structure which has info about the refresh question.
**/
EFI_STATUS
RefreshQuestion (
IN MENU_REFRESH_ENTRY *MenuRefreshEntry
)
{
CHAR16 *OptionString;
UINTN Index;
EFI_STATUS Status;
UI_MENU_SELECTION *Selection;
FORM_BROWSER_STATEMENT *Question;
Selection = MenuRefreshEntry->Selection;
Question = MenuRefreshEntry->MenuOption->ThisTag;
Status = GetQuestionValue (Selection->FormSet, Selection->Form, Question, FALSE);
if (EFI_ERROR (Status)) {
return Status;
}
OptionString = NULL;
ProcessOptions (Selection, MenuRefreshEntry->MenuOption, FALSE, &OptionString);
if (OptionString != NULL) {
//
// If leading spaces on OptionString - remove the spaces
//
for (Index = 0; OptionString[Index] == L' '; Index++)
;
//
// If old Text is longer than new string, need to clean the old string before paint the newer.
// This option is no need for time/date opcode, because time/data opcode has fixed string length.
//
if ((MenuRefreshEntry->MenuOption->ThisTag->Operand != EFI_IFR_DATE_OP) &&
(MenuRefreshEntry->MenuOption->ThisTag->Operand != EFI_IFR_TIME_OP)) {
ClearLines (
MenuRefreshEntry->CurrentColumn,
MenuRefreshEntry->CurrentColumn + gOptionBlockWidth - 1,
MenuRefreshEntry->CurrentRow,
MenuRefreshEntry->CurrentRow,
PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND
);
}
gST->ConOut->SetAttribute (gST->ConOut, MenuRefreshEntry->CurrentAttribute);
PrintStringAt (MenuRefreshEntry->CurrentColumn, MenuRefreshEntry->CurrentRow, &OptionString[Index]);
FreePool (OptionString);
}
//
// Question value may be changed, need invoke its Callback()
//
Status = ProcessCallBackFunction (Selection, Question, EFI_BROWSER_ACTION_CHANGING, FALSE);
return Status;
}
/**
Refresh the question which has refresh guid event attribute.
@param Event The event which has this function related.
@param Context The input context info related to this event or the status code return to the caller.
**/
VOID
RefreshQuestionNotify(
IN EFI_EVENT Event,
IN VOID *Context
)
{
MENU_REFRESH_ENTRY *MenuRefreshEntry;
UI_MENU_SELECTION *Selection;
//
// Reset FormPackage update flag
//
mHiiPackageListUpdated = FALSE;
MenuRefreshEntry = (MENU_REFRESH_ENTRY *)Context;
ASSERT (MenuRefreshEntry != NULL);
Selection = MenuRefreshEntry->Selection;
RefreshQuestion (MenuRefreshEntry);
if (mHiiPackageListUpdated) {
//
// Package list is updated, force to reparse IFR binary of target Formset
//
mHiiPackageListUpdated = FALSE;
Selection->Action = UI_ACTION_REFRESH_FORMSET;
}
}
/**
Refresh screen.
@@ -334,65 +440,23 @@ RefreshForm (
VOID
)
{
CHAR16 *OptionString;
MENU_REFRESH_ENTRY *MenuRefreshEntry;
UINTN Index;
EFI_STATUS Status;
UI_MENU_SELECTION *Selection;
FORM_BROWSER_STATEMENT *Question;
if (gMenuRefreshHead != NULL) {
//
// call from refresh interval process.
//
MenuRefreshEntry = gMenuRefreshHead;
Selection = MenuRefreshEntry->Selection;
//
// Reset FormPackage update flag
//
mHiiPackageListUpdated = FALSE;
do {
Selection = MenuRefreshEntry->Selection;
Question = MenuRefreshEntry->MenuOption->ThisTag;
Status = GetQuestionValue (Selection->FormSet, Selection->Form, Question, FALSE);
if (EFI_ERROR (Status)) {
return Status;
}
OptionString = NULL;
ProcessOptions (Selection, MenuRefreshEntry->MenuOption, FALSE, &OptionString);
if (OptionString != NULL) {
//
// If leading spaces on OptionString - remove the spaces
//
for (Index = 0; OptionString[Index] == L' '; Index++)
;
//
// If old Text is longer than new string, need to clean the old string before paint the newer.
// This option is no need for time/date opcode, because time/data opcode has fixed string length.
//
if ((MenuRefreshEntry->MenuOption->ThisTag->Operand != EFI_IFR_DATE_OP) &&
(MenuRefreshEntry->MenuOption->ThisTag->Operand != EFI_IFR_TIME_OP)) {
ClearLines (
MenuRefreshEntry->CurrentColumn,
MenuRefreshEntry->CurrentColumn + gOptionBlockWidth - 1,
MenuRefreshEntry->CurrentRow,
MenuRefreshEntry->CurrentRow,
PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND
);
}
gST->ConOut->SetAttribute (gST->ConOut, MenuRefreshEntry->CurrentAttribute);
PrintStringAt (MenuRefreshEntry->CurrentColumn, MenuRefreshEntry->CurrentRow, &OptionString[Index]);
FreePool (OptionString);
}
//
// Question value may be changed, need invoke its Callback()
//
Status = ProcessCallBackFunction(Selection, Question, EFI_BROWSER_ACTION_CHANGING, FALSE);
Status = RefreshQuestion (MenuRefreshEntry);
if (EFI_ERROR (Status)) {
return Status;
}
@@ -1636,6 +1700,7 @@ UiDisplayMenu (
UI_CONTROL_FLAG ControlFlag;
EFI_SCREEN_DESCRIPTOR LocalScreen;
MENU_REFRESH_ENTRY *MenuRefreshEntry;
MENU_REFRESH_ENTRY *MenuUpdateEntry;
UI_SCREEN_OPERATION ScreenOperation;
UINT8 MinRefreshInterval;
UINTN BufferSize;
@@ -1872,6 +1937,34 @@ UiDisplayMenu (
OptionString[Count] = CHAR_NULL;
}
//
// If Question has refresh guid, register the op-code.
//
if (!CompareGuid (&Statement->RefreshGuid, &gZeroGuid)) {
if (gMenuEventGuidRefreshHead == NULL) {
MenuUpdateEntry = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));
gMenuEventGuidRefreshHead = MenuUpdateEntry;
} else {
MenuUpdateEntry = gMenuEventGuidRefreshHead;
while (MenuUpdateEntry->Next != NULL) {
MenuUpdateEntry = MenuUpdateEntry->Next;
}
MenuUpdateEntry->Next = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));
}
ASSERT (MenuUpdateEntry != NULL);
Status = gBS->CreateEventEx (EVT_NOTIFY_SIGNAL, TPL_NOTIFY, RefreshQuestionNotify, MenuUpdateEntry, &Statement->RefreshGuid, &MenuUpdateEntry->Event);
ASSERT (!EFI_ERROR (Status));
MenuUpdateEntry->MenuOption = MenuOption;
MenuUpdateEntry->Selection = Selection;
MenuUpdateEntry->CurrentColumn = MenuOption->OptCol;
MenuUpdateEntry->CurrentRow = MenuOption->Row;
if (MenuOption->GrayOut) {
MenuUpdateEntry->CurrentAttribute = FIELD_TEXT_GRAYED | FIELD_BACKGROUND;
} else {
MenuUpdateEntry->CurrentAttribute = PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND;
}
}
//
// If Question request refresh, register the op-code
//