79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/*
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Copyright (C) 2012 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef gtkmm2ext_persistent_tooltip_h
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#define gtkmm2ext_persistent_tooltip_h
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#include <sigc++/trackable.h>
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#include "gtkmm2ext/visibility.h"
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namespace Gtkmm2ext {
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/** A class which offers a tooltip-like window which can be made to
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* stay open during a drag.
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*/
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class LIBGTKMM2EXT_API PersistentTooltip : public sigc::trackable
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{
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public:
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PersistentTooltip (Gtk::Widget *, bool draggable = false, int margin_y = 0);
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virtual ~PersistentTooltip ();
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void set_tip (std::string);
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void set_font (Pango::FontDescription font);
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void set_center_alignment (bool align_to_center);
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virtual bool dragging () const;
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private:
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bool timeout ();
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void show ();
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void hide ();
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bool enter (GdkEventCrossing *);
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bool leave (GdkEventCrossing *);
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bool press (GdkEventButton *);
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bool release (GdkEventButton *);
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/** The widget that we are providing a tooltip for */
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Gtk::Widget* _target;
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/** Our window */
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Gtk::Window* _window;
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/** Our label */
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Gtk::Label* _label;
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/** allow to drag
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*/
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bool _draggable;
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/** true if we are `dragging', in the sense that button 1
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is being held over _target.
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*/
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bool _maybe_dragging;
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/** Connection to a timeout used to open the tooltip */
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sigc::connection _timeout;
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/** The tip text */
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std::string _tip;
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Pango::FontDescription _font;
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bool _align_to_center;
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int _margin_y;
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};
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}
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#endif
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