MyGUI: MyGUI_ControllerEdgeHide.cpp Source File

MyGUI 3.2.2

MyGUI_ControllerEdgeHide.cpp
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1 /*
2 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
3 * Distributed under the MIT License
4 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
5 */
6
7 #include "MyGUI_Precompiled.h"
8 #include "MyGUI_ControllerEdgeHide.h"
9 #include "MyGUI_Gui.h"
10 #include "MyGUI_InputManager.h"
11 #include "MyGUI_WidgetManager.h"
12 #include "MyGUI_Widget.h"
13
14 namespace MyGUI
15 {
16
17 #ifndef M_PI
18 const float M_PI = 3.141593f;
19 #endif
20
21 ControllerEdgeHide::ControllerEdgeHide() :
22 mTime(1.0),
23 mRemainPixels(0),
24 mShadowSize(0),
25 mElapsedTime(0)
26 {
27 }
28
29 ControllerEdgeHide::~ControllerEdgeHide()
30 {
31 }
32
33 void ControllerEdgeHide::prepareItem(Widget* _widget)
34 {
35 recalculateTime(_widget);
36 // вызываем пользовательский делегат для подготовки
37 eventPreAction(_widget, this);
38 }
39
40 bool ControllerEdgeHide::addTime(Widget* _widget, float _time)
41 {
42 const IntSize& view_size = _widget->getParentSize();
43 // do nothing if we have minimized window
44 if (view_size.width <= 1 && view_size.height <= 1)
45 return true;
46
47 Widget* keyFocus = InputManager::getInstance().getKeyFocusWidget();
48 Widget* mouseFocus = InputManager::getInstance().getMouseFocusWidget();
49
50 while ((keyFocus != nullptr) && (_widget != keyFocus))
51 keyFocus = keyFocus->getParent();
52 while ((mouseFocus != nullptr) && (_widget != mouseFocus))
53 mouseFocus = mouseFocus->getParent();
54
55 // if our widget or its children have focus
56 bool haveFocus = ((keyFocus != nullptr) || (mouseFocus != nullptr)) || (_widget->getVisible() == false);
57
58 mElapsedTime += haveFocus ? -_time : _time;
59
60 if (mElapsedTime >= mTime)
61 {
62 mElapsedTime = mTime;
63 }
64 if (mElapsedTime <= 0)
65 {
66 mElapsedTime = 0.0f;
67 return true;
68 }
69
70 float k = sin(M_PI * mElapsedTime / mTime - M_PI / 2);
71 if (k < 0) k = (-pow(-k, 0.7f) + 1) / 2;
72 else k = (pow(k, 0.7f) + 1) / 2;
73
74 MyGUI::IntCoord coord = _widget->getCoord();
75 // if widget was moved
76 if (coord != mLastCoord)
77 {
78 // if still moving - leave it alone
79 if (haveFocus)
80 return true;
81 else
82 recalculateTime(_widget);
83 }
84
85 bool nearBorder = false;
86
87 if ((coord.left <= 0) && !(coord.right() >= view_size.width - 1))
88 {
89 coord.left = - int( float(coord.width - mRemainPixels - mShadowSize) * k);
90 nearBorder = true;
91 }
92 if ((coord.top <= 0) && !(coord.bottom() >= view_size.height - 1))
93 {
94 coord.top = - int( float(coord.height - mRemainPixels - mShadowSize) * k);
95 nearBorder = true;
96 }
97 if ((coord.right() >= view_size.width - 1) && !(coord.left <= 0))
98 {
99 coord.left = int(float(view_size.width - 1) - float(mRemainPixels) * k - float(coord.width) * (1.f - k));
100 nearBorder = true;
101 }
102 if ((coord.bottom() >= view_size.height - 1) && !(coord.top <= 0))
103 {
104 coord.top = int(float(view_size.height - 1) - float(mRemainPixels) * k - float(coord.height) * (1.f - k));
105 nearBorder = true;
106 }
107
108 if (nearBorder)
109 {
110 _widget->setCoord(coord);
111 }
112 else
113 {
114 mElapsedTime = 0;
115 }
116 mLastCoord = coord;
117
118 eventUpdateAction(_widget, this);
119
120 return true;
121 }
122
123 void ControllerEdgeHide::setProperty(const std::string& _key, const std::string& _value)
124 {
125 if (_key == "Time")
126 setTime(utility::parseValue<float>(_value));
127 else if (_key == "RemainPixels")
128 setRemainPixels(utility::parseValue<int>(_value));
129 else if (_key == "ShadowSize")
130 setShadowSize(utility::parseValue<int>(_value));
131 }
132
133 void ControllerEdgeHide::recalculateTime(Widget* _widget)
134 {
135 float k = 0;
136 const MyGUI::IntCoord& coord = _widget->getCoord();
137 const MyGUI::IntSize& view_size = _widget->getParentSize();
138
139 // check if widget is near any border and not near opposite borders at same time
140 if ((coord.left <= 0) && !(coord.right() >= view_size.width - 1))
141 {
142 k = - (float) coord.left / (coord.width - mRemainPixels - mShadowSize);
143 }
144 else if ((coord.top <= 0) && !(coord.bottom() >= view_size.height - 1))
145 {
146 k = - (float)coord.top / (coord.height - mRemainPixels - mShadowSize);
147 }
148 else if ((coord.right() >= view_size.width - 1) && !(coord.left <= 0))
149 {
150 k = (float)(coord.right() - view_size.width + 1 ) / (coord.width - mRemainPixels);
151 }
152 else if ((coord.bottom() >= view_size.height - 1) && !(coord.top <= 0))
153 {
154 k = (float)(coord.bottom() - view_size.height + 1 ) / (coord.height - mRemainPixels);
155 }
156
157 //mElapsedTime = (asin(k)/M_PI + 1./2) * mTime;
158 // this is reversed formula from ControllerEdgeHide::addTime k calculation
159 if (k > 0.5f)
160 mElapsedTime = (asin( pow( 2 * k - 1, 1 / 0.7f)) / M_PI + 1.f / 2) * mTime;
161 else
162 mElapsedTime = (asin(-pow(-2 * k + 1, 1 / 0.7f)) / M_PI + 1.f / 2) * mTime;
163 }
164
165 void ControllerEdgeHide::setTime(float _value)
166 {
167 mTime = _value;
168 }
169
170 void ControllerEdgeHide::setRemainPixels(int _value)
171 {
172 mRemainPixels = _value;
173 }
174
175 void ControllerEdgeHide::setShadowSize(int _value)
176 {
177 mShadowSize = _value;
178 }
179
180 } // namespace MyGUI
MyGUI::Singleton< InputManager >::getInstance
static InputManager & getInstance()
Definition: MyGUI_Singleton.h:38
MyGUI::Widget::getParent
Widget * getParent() const
Definition: MyGUI_Widget.cpp:1275
MyGUI::ControllerEdgeHide::addTime
virtual bool addTime(Widget *_widget, float _time)
Definition: MyGUI_ControllerEdgeHide.cpp:40
MyGUI::ControllerEdgeHide::setProperty
virtual void setProperty(const std::string &_key, const std::string &_value)
Definition: MyGUI_ControllerEdgeHide.cpp:123
MyGUI_Gui.h
MyGUI::types::TSize::height
T height
Definition: MyGUI_TSize.h:21
MyGUI::InputManager::getKeyFocusWidget
Widget * getKeyFocusWidget() const
Definition: MyGUI_InputManager.cpp:633
MyGUI::ControllerEdgeHide::setShadowSize
void setShadowSize(int _value)
Definition: MyGUI_ControllerEdgeHide.cpp:175
MyGUI::types::TCoord::bottom
T bottom() const
Definition: MyGUI_TCoord.h:155
MyGUI::types::TCoord::left
T left
Definition: MyGUI_TCoord.h:22
MyGUI_Widget.h
MyGUI::types::TCoord::top
T top
Definition: MyGUI_TCoord.h:23
MyGUI::ControllerEdgeHide::setTime
void setTime(float _value)
Definition: MyGUI_ControllerEdgeHide.cpp:165
MyGUI::InputManager::getMouseFocusWidget
Widget * getMouseFocusWidget() const
Definition: MyGUI_InputManager.cpp:628
MyGUI::M_PI
const float M_PI
Definition: MyGUI_ControllerEdgeHide.cpp:18
MyGUI::ControllerEdgeHide::prepareItem
virtual void prepareItem(Widget *_widget)
Definition: MyGUI_ControllerEdgeHide.cpp:33
MyGUI::Widget
Widget properties. Skin childs. Widget widget description should be here.
Definition: MyGUI_Widget.h:29
MyGUI::types::TSize::width
T width
Definition: MyGUI_TSize.h:20
MyGUI::Widget::getParentSize
IntSize getParentSize() const
Definition: MyGUI_Widget.cpp:1025
MyGUI::types::TCoord::right
T right() const
Definition: MyGUI_TCoord.h:150
MyGUI::ControllerEdgeHide::~ControllerEdgeHide
virtual ~ControllerEdgeHide()
Definition: MyGUI_ControllerEdgeHide.cpp:29
MyGUI_ControllerEdgeHide.h
MyGUI_Precompiled.h
MyGUI::ControllerItem::eventUpdateAction
EventPairAddParameter< EventHandle_WidgetPtr, EventHandle_WidgetPtrControllerItemPtr > eventUpdateAction
Definition: MyGUI_ControllerItem.h:48
MyGUI_InputManager.h
MyGUI::ICroppedRectangle::getCoord
const IntCoord & getCoord() const
Definition: MyGUI_ICroppedRectangle.h:61
MyGUI_WidgetManager.h
MyGUI::ControllerEdgeHide::setRemainPixels
void setRemainPixels(int _value)
Definition: MyGUI_ControllerEdgeHide.cpp:170
MyGUI::ControllerEdgeHide::ControllerEdgeHide
ControllerEdgeHide()
Definition: MyGUI_ControllerEdgeHide.cpp:21
MyGUI::types::TSize< int >
MyGUI::Widget::setCoord
virtual void setCoord(const IntCoord &_value)
Definition: MyGUI_Widget.cpp:689
MyGUI::types::TCoord::width
T width
Definition: MyGUI_TCoord.h:24
MyGUI::Widget::getVisible
bool getVisible() const
Definition: MyGUI_Widget.cpp:1250
MyGUI::types::TCoord< int >
MyGUI::types::TCoord::height
T height
Definition: MyGUI_TCoord.h:25
MyGUI
Definition: MyGUI_ActionController.h:14
MyGUI::ControllerItem::eventPreAction
EventPairAddParameter< EventHandle_WidgetPtr, EventHandle_WidgetPtrControllerItemPtr > eventPreAction
Definition: MyGUI_ControllerItem.h:42