1 files changed, 14 insertions, 0 deletions

diff --git a/src/mainwindow.h b/src/mainwindow.h
index 4fb19e4..e965de2 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -76,6 +76,7 @@ class NotmuchWorker;
 class QueryCompleter;
 class TagRulesDialog;
 class ComposeWindow;
+class CalendarWindow;
 
 class MainWindow : public QMainWindow
 {
@@ -888,6 +889,15 @@ private:
     /// that populates.
     void showMaildirOverview();
 
+    /// Opens the calendar window (item 206), or raises the one already open.
+    ///
+    /// A single instance: the window is parentless, like a composer, so it
+    /// gets its own task-switcher entry, and WA_DeleteOnClose frees it when the
+    /// user closes it. Does nothing but hint when no calendars_dir is
+    /// configured, rather than opening an empty window over a feature that is
+    /// off.
+    void openCalendar();
+
     /// Opens a composer on a blank message (item 123).
     void composeNew();
 
@@ -1948,6 +1958,10 @@ private:
     /// signal leaks entries; removing the QPointer crashes.
     QList<QPointer<ComposeWindow>> m_composers;
 
+    /// The open calendar window, or null. Parentless and WA_DeleteOnClose, like
+    /// a composer, so the QPointer is what nulls it when the user closes it.
+    QPointer<CalendarWindow> m_calendar;
+
     /// Confirmed tag mutations not yet known to have reached the mail store.
     ///
     /// A count of its own rather than QUndoStack::isClean(), which cannot serve