mouse_cursors.h

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/*
    Copyright (C) 2000-2010 Paul Davis

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __gtk2_ardour_mouse_cursors__
#define __gtk2_ardour_mouse_cursors__

class MouseCursors
{
public:
        MouseCursors ();

        void set_cursor_set (const std::string& name);
        std::string cursor_set() const { return _cursor_set; }

        Gdk::Cursor* cross_hair;
        Gdk::Cursor* scissors;
        Gdk::Cursor* trimmer;
        Gdk::Cursor* right_side_trim;
        Gdk::Cursor* anchored_right_side_trim;
        Gdk::Cursor* left_side_trim;
        Gdk::Cursor* anchored_left_side_trim;
        Gdk::Cursor* right_side_trim_left_only;
        Gdk::Cursor* left_side_trim_right_only;
        Gdk::Cursor* fade_in;
        Gdk::Cursor* fade_out;
        Gdk::Cursor* selector;
        Gdk::Cursor* grabber;
        Gdk::Cursor* grabber_note;
        Gdk::Cursor* grabber_edit_point;
        Gdk::Cursor* zoom_in;
        Gdk::Cursor* zoom_out;
        Gdk::Cursor* time_fx;
        Gdk::Cursor* fader;
        Gdk::Cursor* speaker;
        Gdk::Cursor* midi_pencil;
        Gdk::Cursor* midi_select;
        Gdk::Cursor* midi_resize;
        Gdk::Cursor* midi_erase;
        Gdk::Cursor* up_down;
        Gdk::Cursor* wait;
        Gdk::Cursor* timebar;
        Gdk::Cursor* transparent;
        Gdk::Cursor* resize_left;
        Gdk::Cursor* resize_top_left;
        Gdk::Cursor* resize_top;
        Gdk::Cursor* resize_top_right;
        Gdk::Cursor* resize_right;
        Gdk::Cursor* resize_bottom_right;
        Gdk::Cursor* resize_bottom;
        Gdk::Cursor* resize_bottom_left;
        Gdk::Cursor* move;
        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"
        */
        
        static bool is_invalid (Gdk::Cursor* c) { if (!_invalid) { create_invalid(); } return c == _invalid; }
        static Gdk::Cursor* invalid_cursor() { if (!_invalid) { create_invalid(); } 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);
        static Gdk::Cursor* _invalid;
        static void create_invalid ();
};

#endif /* __gtk2_ardour_mouse_cursors__ */