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-rw-r--r--public/fpdf_formfill.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/public/fpdf_formfill.h b/public/fpdf_formfill.h
index ff87d99ab5..73964b2a93 100644
--- a/public/fpdf_formfill.h
+++ b/public/fpdf_formfill.h
@@ -1452,6 +1452,64 @@ FPDF_EXPORT void FPDF_CALLCONV FORM_ReplaceSelection(FPDF_FORMHANDLE hHandle,
FPDF_WIDESTRING wsText);
/**
+ * Function: FORM_CanUndo
+ * Find out if it is possible for the current focused widget in a given
+ * form to perform an undo operation.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by
+ * FPDFDOC_InitFormFillEnvironment.
+ * page - Handle to the page. Returned by FPDF_LoadPage
+ * function.
+ * Return Value:
+ * True if it is possible to undo.
+ **/
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_CanUndo(FPDF_FORMHANDLE hHandle,
+ FPDF_PAGE page);
+
+/**
+ * Function: FORM_CanRedo
+ * Find out if it is possible for the current focused widget in a given
+ * form to perform a redo operation.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by
+ * FPDFDOC_InitFormFillEnvironment.
+ * page - Handle to the page. Returned by FPDF_LoadPage
+ * function.
+ * Return Value:
+ * True if it is possible to redo.
+ **/
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_CanRedo(FPDF_FORMHANDLE hHandle,
+ FPDF_PAGE page);
+
+/**
+ * Function: FORM_Undo
+ * Make the current focussed widget perform an undo operation.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by
+ * FPDFDOC_InitFormFillEnvironment.
+ * page - Handle to the page. Returned by FPDF_LoadPage
+ * function.
+ * Return Value:
+ * True if the undo operation succeeded.
+ **/
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_Undo(FPDF_FORMHANDLE hHandle,
+ FPDF_PAGE page);
+
+/**
+ * Function: FORM_Redo
+ * Make the current focussed widget perform a redo operation.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by
+ * FPDFDOC_InitFormFillEnvironment.
+ * page - Handle to the page. Returned by FPDF_LoadPage
+ * function.
+ * Return Value:
+ * True if the redo operation succeeded.
+ **/
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_Redo(FPDF_FORMHANDLE hHandle,
+ FPDF_PAGE page);
+
+/**
* Function: FORM_ForceToKillFocus.
* You can call this member function to force to kill the focus of the
*form field which got focus.