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comparison Framework/Viewport/IMouseTracker.h @ 457:3b4df9925db6 am-touch-events

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added support for 'touch' in mouse trackers. This is still a bit hacky and we need to refactor it to make it clean. Thanks to that, Pan and zoom are available together with 2 touches
author Alain Mazy <alain@mazy.be>
date Thu, 24 Jan 2019 16:42:27 +0100
parents b70e9be013e4
children b716763571ad
comparison
equal deleted inserted replaced
456:b70fcc134ba4 457:3b4df9925db6
20 20
21 21
22 #pragma once 22 #pragma once
23 23
24 #include "CairoSurface.h" 24 #include "CairoSurface.h"
25 #include <vector>
25 26
26 namespace OrthancStone 27 namespace OrthancStone
27 { 28 {
29 struct Touch
30 {
31 float x;
32 float y;
33
34 Touch(float x, float y)
35 : x(x),
36 y(y)
37 {
38 }
39 Touch()
40 : x(0.0f),
41 y(0.0f)
42 {
43 }
44 };
45
46
28 // this is tracking a mouse in screen coordinates/pixels unlike 47 // this is tracking a mouse in screen coordinates/pixels unlike
29 // the IWorldSceneMouseTracker that is tracking a mouse 48 // the IWorldSceneMouseTracker that is tracking a mouse
30 // in scene coordinates/mm. 49 // in scene coordinates/mm.
31 class IMouseTracker : public boost::noncopyable 50 class IMouseTracker : public boost::noncopyable
32 { 51 {
39 58
40 virtual void MouseUp() = 0; 59 virtual void MouseUp() = 0;
41 60
42 // Returns "true" iff. the background scene must be repainted 61 // Returns "true" iff. the background scene must be repainted
43 virtual void MouseMove(int x, 62 virtual void MouseMove(int x,
44 int y) = 0; 63 int y,
64 const std::vector<Touch>& displayTouches) = 0;
65
66 virtual bool IsTouchTracker() const {return false;}
45 }; 67 };
46 } 68 }