diff options
| author | Lei Zhang <thestig@chromium.org> | 2018-04-19 20:55:54 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-04-19 20:55:54 +0000 |
| commit | ee96772e0878fa385b9a4a736a2fc109e19fd01e (patch) | |
| tree | def5fed9024c0aef25d7d1f81729b6f0a6687179 /public | |
| parent | c84ea8eda5a53229cf1faaed7cb54013b9ea18c3 (diff) | |
| download | pdfium-ee96772e0878fa385b9a4a736a2fc109e19fd01e.tar.xz | |
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 <thestig@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'public')
| -rw-r--r-- | public/fpdf_formfill.h | 58 |
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. |