diff options
Diffstat (limited to 'MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c')
-rw-r--r-- | MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c index 251025b309..b8c5a3919e 100644 --- a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c +++ b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c @@ -2067,6 +2067,11 @@ ProcessCallBackFunction ( Status = ValueChangedValidation (gCurrentSelection->FormSet, gCurrentSelection->Form, Statement);
if (!EFI_ERROR (Status)) {
//
+ //check whether the question value changed compared with edit buffer before updating edit buffer
+ // if changed, set the ValueChanged flag to TRUE,in order to trig the CHANGED callback function
+ //
+ IsQuestionValueChanged(gCurrentSelection->FormSet, gCurrentSelection->Form, Statement, GetSetValueWithEditBuffer);
+ //
// According the spec, return value from call back of "changing" and
// "retrieve" should update to the question's temp buffer.
//
@@ -2103,6 +2108,11 @@ ProcessCallBackFunction ( //
InternalStatus = ValueChangedValidation (gCurrentSelection->FormSet, gCurrentSelection->Form, Statement);
if (!EFI_ERROR (InternalStatus)) {
+ //
+ //check whether the question value changed compared with edit buffer before updating edit buffer
+ // if changed, set the ValueChanged flag to TRUE,in order to trig the CHANGED callback function
+ //
+ IsQuestionValueChanged(gCurrentSelection->FormSet, gCurrentSelection->Form, Statement, GetSetValueWithEditBuffer);
SetQuestionValue(FormSet, Form, Statement, GetSetValueWithEditBuffer);
}
}
@@ -2437,10 +2447,6 @@ SetupBrowser ( }
}
- //
- // Verify whether question value has checked, update the ValueChanged flag in Question.
- //
- IsQuestionValueChanged(gCurrentSelection->FormSet, gCurrentSelection->Form, Statement, GetSetValueWithBuffer);
if (!EFI_ERROR (Status) &&
(Statement->Operand != EFI_IFR_REF_OP) &&
@@ -2449,6 +2455,11 @@ SetupBrowser ( // Only question value has been changed, browser will trig CHANGED callback.
//
ProcessCallBackFunction(Selection, Selection->FormSet, Selection->Form, Statement, EFI_BROWSER_ACTION_CHANGED, FALSE);
+ //
+ //check whether the question value changed compared with buffer value
+ //if doesn't change ,set the ValueChanged flag to FALSE ,in order not to display the "configuration changed "information on the screen
+ //
+ IsQuestionValueChanged(gCurrentSelection->FormSet, gCurrentSelection->Form, Statement, GetSetValueWithBuffer);
}
} else {
//
|