diff options
Diffstat (limited to 'gtk2_ardour/mouse_cursors.h')
| -rw-r--r-- | gtk2_ardour/mouse_cursors.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gtk2_ardour/mouse_cursors.h b/gtk2_ardour/mouse_cursors.h index 6c5c94b5e9..756b2657d9 100644 --- a/gtk2_ardour/mouse_cursors.h +++ b/gtk2_ardour/mouse_cursors.h @@ -73,11 +73,22 @@ public: Gdk::Cursor* expand_left_right; Gdk::Cursor* expand_up_down; + /* This cursor is not intended to be used directly, it just + serves as an out-of-bounds value when we need to indicate + "no cursor". NULL/0 doesn't work for this, because it + is actually a valid value for a Gdk::Cursor - it indicates + "use the parent window's cursor" + */ + + bool is_invalid (Gdk::Cursor* c) const { return c == _invalid; } + Gdk::Cursor* invalid_cursor() const { return _invalid; } + private: std::string _cursor_set; void drop_all (); Gdk::Cursor* make_cursor (const char* name, int hotspot_x = 0, int hotspot_y = 0); + Gdk::Cursor* _invalid; }; #endif /* __gtk2_ardour_mouse_cursors__ */ |