1 /***************************************************************************
2  *      Mechanized Assault and Exploration Reloaded Projectfile            *
3  *                                                                         *
4  *   This program is free software; you can redistribute it and/or modify  *
5  *   it under the terms of the GNU General Public License as published by  *
6  *   the Free Software Foundation; either version 2 of the License, or     *
7  *   (at your option) any later version.                                   *
8  *                                                                         *
9  *   This program is distributed in the hope that it will be useful,       *
10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
12  *   GNU General Public License for more details.                          *
13  *                                                                         *
14  *   You should have received a copy of the GNU General Public License     *
15  *   along with this program; if not, write to the                         *
16  *   Free Software Foundation, Inc.,                                       *
17  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
18  ***************************************************************************/
19 
20 #ifndef ui_graphical_game_control_rightmousebuttonscrollerH
21 #define ui_graphical_game_control_rightmousebuttonscrollerH
22 
23 #include <memory>
24 
25 #include "ui/graphical/widget.h"
26 #include "utility/position.h"
27 #include "utility/signal/signalconnectionmanager.h"
28 #include "utility/signal/signal.h"
29 
30 class cMouse;
31 class cAnimationTimer;
32 class cImage;
33 
34 class cRightMouseButtonScrollerWidget : public cWidget
35 {
36 public:
37 	cRightMouseButtonScrollerWidget (std::shared_ptr<cAnimationTimer> animationTimer);
38 
39 	bool isScrolling() const;
40 
41 	mutable cSignal<void (const cPosition&)> scroll;
42 
43 	mutable cSignal<void ()> mouseFocusReleased;
44 
45 	mutable cSignal<void ()> startedScrolling;
46 	mutable cSignal<void ()> stoppedScrolling;
47 
48 	virtual bool handleMouseMoved (cApplication& application, cMouse& mouse, const cPosition& offset) MAXR_OVERRIDE_FUNCTION;
49 
50 	virtual bool handleMousePressed (cApplication& application, cMouse& mouse, eMouseButtonType button) MAXR_OVERRIDE_FUNCTION;
51 	virtual bool handleMouseReleased (cApplication& application, cMouse& mouse, eMouseButtonType button) MAXR_OVERRIDE_FUNCTION;
52 
53 	virtual void handleLooseMouseFocus (cApplication& application) MAXR_OVERRIDE_FUNCTION;
54 private:
55 	static const double factor;
56 	static const double minDistanceSquared;
57 
58 	cSignalConnectionManager signalConnectionManager;
59 	cSignalConnectionManager animationTimerSignalConnectionManager;
60 
61 	std::shared_ptr<cAnimationTimer> animationTimer;
62 
63 	cImage* startIndicator;
64 
65 	cPosition startPosition;
66 	bool hasStartedScrolling;
67 
68 	cPosition getCursorCenter (cMouse& mouse) const;
69 };
70 
71 #endif // ui_graphical_game_control_rightmousebuttonscrollerH
72