From ee96772e0878fa385b9a4a736a2fc109e19fd01e Mon Sep 17 00:00:00 2001 From: Lei Zhang Date: Thu, 19 Apr 2018 20:55:54 +0000 Subject: Add public APIs for undo / redo in forms. Add FORM_CanUndo(), FORM_CanRedo(), FORM_Undo(), and FORM_Redo(). BUG=chromium:764260 Change-Id: I1d9ea67152d9b35d9b8e1d7ef7d019706fdfa30a Reviewed-on: https://pdfium-review.googlesource.com/30872 Commit-Queue: Lei Zhang Reviewed-by: dsinclair --- fpdfsdk/ipdfsdk_annothandler.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fpdfsdk/ipdfsdk_annothandler.h') diff --git a/fpdfsdk/ipdfsdk_annothandler.h b/fpdfsdk/ipdfsdk_annothandler.h index 91fd5ceee8..1476089253 100644 --- a/fpdfsdk/ipdfsdk_annothandler.h +++ b/fpdfsdk/ipdfsdk_annothandler.h @@ -39,6 +39,10 @@ class IPDFSDK_AnnotHandler { virtual WideString GetSelectedText(CPDFSDK_Annot* pAnnot) = 0; virtual void ReplaceSelection(CPDFSDK_Annot* pAnnot, const WideString& text) = 0; + virtual bool CanUndo(CPDFSDK_Annot* pAnnot) = 0; + virtual bool CanRedo(CPDFSDK_Annot* pAnnot) = 0; + virtual bool Undo(CPDFSDK_Annot* pAnnot) = 0; + virtual bool Redo(CPDFSDK_Annot* pAnnot) = 0; virtual bool HitTest(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, const CFX_PointF& point) = 0; -- cgit v1.2.3