[gnumeric] xls: export sliders as scrollbars.

[Morten Welinder <mortenw src gnome org>]

commit 1d2f9c24088a8cae1411d27952d92b4432f696a4
Author: Morten Welinder <terra gnome org>
Date:   Wed Jan 28 13:37:01 2015 -0500

    xls: export sliders as scrollbars.
    
    XL doesn't seem to have sliders, but scrollbars work and look similarly.

 NEWS                           |    1 +
 plugins/excel/ChangeLog        |    5 +++++
 plugins/excel/ms-excel-write.c |    4 +++-
 3 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index c5f2255..668ac4a 100644
--- a/NEWS
+++ b/NEWS
@@ -16,6 +16,7 @@ Morten:
        * Import/export xlsx chart axis min/max/steps.
        * Export xlsx chart axis tick marks.
        * Fix xlsx problem with inverted axis.
+       * Export sliders as scrollbars for xls.
 
 --------------------------------------------------------------------------
 Gnumeric 1.12.19
diff --git a/plugins/excel/ChangeLog b/plugins/excel/ChangeLog
index 2d5aaea..08877c4 100644
--- a/plugins/excel/ChangeLog
+++ b/plugins/excel/ChangeLog
@@ -1,3 +1,8 @@
+2015-01-28  Morten Welinder  <terra gnome org>
+
+       * ms-excel-write.c (excel_write_other_v8): Export sliders as-if
+       they were scrollbars.
+
 2015-01-27  Morten Welinder  <terra gnome org>
 
        * xlsx-write-drawing.c (xlsx_write_axis): Fix crossing for
diff --git a/plugins/excel/ms-excel-write.c b/plugins/excel/ms-excel-write.c
index f4e109c..77d47ff 100644
--- a/plugins/excel/ms-excel-write.c
+++ b/plugins/excel/ms-excel-write.c
@@ -4663,7 +4663,8 @@ excel_write_other_v8 (ExcelWriteSheet *esheet,
                shape = 0xc9;
                type = MSOT_SPINNER;
                flags = 0x0011;
-       } else if (GNM_IS_SOW_SCROLLBAR (so)) {
+       } else if (GNM_IS_SOW_SCROLLBAR (so) || GNM_IS_SOW_SLIDER (so)) {
+               /* Pretend sliders are scrollbars.  */
                shape = 0xc9;
                type = MSOT_SCROLLBAR;
                flags = 0x6011;
@@ -5860,6 +5861,7 @@ excel_sheet_new (ExcelWriteState *ewb, Sheet *sheet,
                           GNM_IS_SOW_RADIO_BUTTON (so) ||
                           GNM_IS_SOW_SPINBUTTON (so) ||
                           GNM_IS_SOW_SCROLLBAR (so) ||
+                          GNM_IS_SOW_SLIDER (so) ||
                           GNM_IS_SOW_LIST (so) ||
                           GNM_IS_SOW_BUTTON (so) ||
                           GNM_IS_SOW_COMBO (so)) {