[gnumeric] GUI: Enable context menu for graph sheet tabs.

[Morten Welinder <mortenw src gnome org>]

commit 7e82bc32c7cedf049f00d600d05b2dd23a2c5a7c
Author: Morten Welinder <terra gnome org>
Date:   Tue Apr 16 15:51:03 2013 -0400

    GUI: Enable context menu for graph sheet tabs.

 ChangeLog     |  4 ++++
 NEWS          |  1 +
 src/wbc-gtk.c | 31 ++++++++++++++++++-------------
 3 files changed, 23 insertions(+), 13 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index cada49b..9903f54 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2013-04-16  Morten Welinder  <terra gnome org>
 
+       * src/wbc-gtk.c (wbcg_update_action_sensitivity): Turn on context
+       menu for graph sheets.  Fixes #685446.
+       (sheet_menu_label_run): Disable resize for graph sheets.
+
        * src/value.c (parse_criteria): Anchor only at start.  Fixes
        #661800.
        (parse_criteria): Handle criteria "=" and "<>" (with no value
diff --git a/NEWS b/NEWS
index f68e454..b80b352 100644
--- a/NEWS
+++ b/NEWS
@@ -47,6 +47,7 @@ Morten:
        * Fix XL import of booleans/error/empties in array constants.
        * Fix database criteria anchoring.  [#661800]
        * Fix database criterias "=" and "<>" for emptiness test.  [#686156]
+       * Enable context menu for graph sheet tabs.  [#685446]
 
 --------------------------------------------------------------------------
 Gnumeric 1.12.1
diff --git a/src/wbc-gtk.c b/src/wbc-gtk.c
index 85e1e74..87a9a5f 100644
--- a/src/wbc-gtk.c
+++ b/src/wbc-gtk.c
@@ -377,12 +377,15 @@ wbcg_update_action_sensitivity (WorkbookControl *wbc)
        gtk_widget_set_sensitive (wbcg->func_button, enable_actions);
 
        if (wbcg->snotebook) {
+               gboolean tab_context_menu =
+                       enable_actions ||
+                       scg_sheet (scg)->sheet_type == GNM_SHEET_OBJECT;
                int i, N = wbcg_get_n_scg (wbcg);
                for (i = 0; i < N; i++) {
                        GtkWidget *label =
                                gnm_notebook_get_nth_label (wbcg->bnotebook, i);
                        g_object_set_data (G_OBJECT (label), "editable",
-                                          GINT_TO_POINTER (enable_actions));
+                                          GINT_TO_POINTER (tab_context_menu));
                }
        }
 
@@ -491,22 +494,23 @@ cb_by_scg_sheet_name (gconstpointer a_, gconstpointer b_)
 static void
 sheet_menu_label_run (SheetControlGUI *scg, GdkEventButton *event)
 {
+       enum { CM_MULTIPLE = 1, CM_DATA_SHEET = 2 };
        struct SheetTabMenu {
                char const *text;
                void (*function) (SheetControlGUI *scg);
-               gboolean req_multiple_sheets;
+               int flags;
                int submenu;
        } const sheet_label_context_actions [] = {
-               { N_("Manage sheets..."), &cb_sheets_manage,    FALSE, 0},
-               { NULL, NULL, FALSE, 0 },
-               { N_("Insert"),           &cb_sheets_insert,    FALSE, 0 },
-               { N_("Append"),           &cb_sheets_add,       FALSE, 0 },
-               { N_("Duplicate"),        &cb_sheets_clone,     FALSE, 0 },
-               { N_("Remove"),           &scg_delete_sheet_if_possible, TRUE, 0 },
-               { N_("Rename"),           &cb_sheets_rename,    FALSE, 0 },
-               { N_("Resize..."),        &cb_sheets_resize,    FALSE, 0 },
-               { N_("Select"),           NULL,                 FALSE, 1 },
-               { N_("Select (sorted)"),  NULL,                 FALSE, 2 }
+               { N_("Manage sheets..."), &cb_sheets_manage,    0, 0},
+               { NULL, NULL, 0, 0 },
+               { N_("Insert"),           &cb_sheets_insert,    0, 0 },
+               { N_("Append"),           &cb_sheets_add,       0, 0 },
+               { N_("Duplicate"),        &cb_sheets_clone,     0, 0 },
+               { N_("Remove"),           &scg_delete_sheet_if_possible, CM_MULTIPLE, 0 },
+               { N_("Rename"),           &cb_sheets_rename,    0, 0 },
+               { N_("Resize..."),        &cb_sheets_resize,    CM_DATA_SHEET, 0 },
+               { N_("Select"),           NULL,                 0, 1 },
+               { N_("Select (sorted)"),  NULL,                 0, 2 }
        };
 
        unsigned int ui;
@@ -544,7 +548,8 @@ sheet_menu_label_run (SheetControlGUI *scg, GdkEventButton *event)
                const struct SheetTabMenu *it =
                        sheet_label_context_actions + ui;
                gboolean inactive =
-                       (it->req_multiple_sheets && N_visible <= 1) ||
+                       ((it->flags & CM_MULTIPLE) && N_visible <= 1) ||
+                       ((it->flags & CM_DATA_SHEET) && scg_sheet (scg)->sheet_type != GNM_SHEET_DATA) ||
                        (!it->submenu && guru != NULL);
 
                item = it->text