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source: orxonox.OLD/trunk/src/lib/gui/gl/glgui_widget.cc @ 8485

Last change on this file since 8485 was 8448, checked in by bensch, 19 years ago

merged gui back to the trunk
merged with command
merge -r8377:HEAD https://svn.orxonox.net/orxonox/branches/gui .

File size: 5.8 KB
Line 
1/*
2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2004 orx
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
10
11   ### File Specific:
12   main-programmer: Benjamin Grauer
13   co-programmer: ...
14*/
15
16#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_GUI
17
18#include "glgui_widget.h"
19
20#include "glgui_cursor.h"
21
22#include "material.h"
23
24#include "debug.h"
25
26namespace OrxGui
27{
28
29  /**
30   * @brief standard constructor
31  */
32  GLGuiWidget::GLGuiWidget (GLGuiWidget* parent)
33  {
34    this->init();
35
36    this->setParentWidget(parent);
37  }
38
39
40  /**
41   * @brief standard deconstructor
42   */
43  GLGuiWidget::~GLGuiWidget()
44  {
45    if (this == GLGuiWidget::_focused)
46      GLGuiWidget::_focused = NULL;
47
48    if (this->_toFrontColor)
49      delete this->_toFrontColor;
50  }
51
52  GLGuiWidget* GLGuiWidget::_selected = NULL;
53  GLGuiWidget* GLGuiWidget::_focused = NULL;
54  GLGuiWidget* GLGuiWidget::_inputGrabber = NULL;
55
56
57
58  /**
59   * initializes the GUI-element
60   */
61  void GLGuiWidget::init()
62  {
63    this->setClassID(CL_GLGUI_WIDGET, "GLGuiWidget");
64
65    this->_focusable = false;
66    this->_clickable = false;
67    this->_pushed = false;
68
69    this->setVisibility(GLGUI_WIDGET_DEFAULT_VISIBLE);
70
71    this->_backMat.setDiffuseColor(Color(1.0, 0.5, 0.4, 1.0));
72    this->_backMat.setDiffuseMap("gui_element_background.png");
73    this->_frontColor = Color(1.0, 0.0, 0.0);
74    this->_toFrontColor = NULL;
75
76
77    this->_borderLeft = 15.0;
78    this->_borderRight = 1.0;
79    this->_borderTop = 1.0;
80    this->_borderBottom = 1.0;
81  }
82
83
84  void GLGuiWidget::setParentWidget(GLGuiWidget* parent)
85  {
86    this->_parent = parent;
87
88    if (parent != NULL)
89      parent->addChild2D(this);
90  }
91
92  /** @brief gives focus to this widget */
93  void GLGuiWidget::giveFocus()
94  {
95    if (GLGuiWidget::focused() != NULL)
96      GLGuiWidget::focused()->breakFocus();
97    GLGuiWidget::_focused = this;
98    this->receivedFocus();
99  };
100
101  void GLGuiWidget::breakFocus()
102  {
103    if (GLGuiWidget::_focused == this)
104    {
105      GLGuiWidget::_focused = NULL;
106      this->_pushed = false;
107      this->removedFocus();
108    }
109  };
110
111
112  bool GLGuiWidget::focusOverWidget(const Vector2D& position) const
113  {
114    return (this->getAbsCoor2D().x < position.x && this->getAbsCoor2D().x + this->getSizeX2D() > position.x &&
115            this->getAbsCoor2D().y < position.y && this->getAbsCoor2D().y + this->getSizeY2D() > position.y);
116  }
117
118  bool GLGuiWidget::focusOverWidget(const GLGuiCursor* const cursor) const
119  {
120    return this->focusOverWidget(cursor->getAbsCoor2D());
121  }
122
123  void GLGuiWidget::setFrontColor(const Color& frontColor, bool instantaniously)
124  {
125    if (instantaniously)
126    {
127      this->_frontColor = frontColor;
128      if (this->_toFrontColor != NULL)
129      {
130        delete this->_toFrontColor;
131        this->_toFrontColor = NULL;
132      }
133    }
134    else if (!this->_toFrontColor)
135      this->_toFrontColor = new Color(frontColor);
136    else
137      *this->_toFrontColor = frontColor;
138    //this->_frontColor = frontColor;
139    //this->updateFrontColor();
140  };
141
142
143  void GLGuiWidget::setBorderSize(float borderSize)
144  {
145    this->_borderLeft = borderSize;
146    this->_borderRight = borderSize;
147    this->_borderTop = borderSize;
148    this->_borderBottom = borderSize;
149    this->resize();
150  }
151
152  void GLGuiWidget::setBorderLeft(float borderLeft)
153  {
154    this->_borderLeft = borderLeft;
155    this->resize();
156  }
157  void GLGuiWidget::setBorderRight(float borderRight)
158  {
159    this->_borderRight = borderRight;
160    this->resize();
161  }
162  void GLGuiWidget::setBorderTop(float borderTop)
163  {
164    this->_borderTop = borderTop;
165    this->resize();
166  }
167  void GLGuiWidget::setBorderBottom(float borderBottom)
168  {
169    this->_borderBottom = borderBottom;
170    this->resize();
171  }
172
173
174
175  void GLGuiWidget::resize()
176  {
177    this->backRect().setSize(this->getSize2D());
178    if (this->parent() != NULL)
179      this->parent()->resize();
180  }
181
182
183  void GLGuiWidget::click(const Vector2D& pos)
184  {
185    assert (!this->_pushed);
186    this->_pushed = true;
187
188    this->clicking(pos);
189  }
190
191  void GLGuiWidget::release(const Vector2D& pos)
192  {
193    if (this->_pushed)
194    {
195      this->releasing(pos);
196      this->_pushed = false;
197    }
198  }
199
200
201  void GLGuiWidget::clicking(const Vector2D& pos)
202  {
203    this->setFrontColor(Color(0, 0, 1));
204
205  }
206
207  void GLGuiWidget::releasing(const Vector2D& pos)
208  {
209    this->setFrontColor(Color(0,1,0));
210
211  }
212
213  void GLGuiWidget::receivedFocus()
214  {
215    this->setFrontColor(Color(0, 1, 0));
216  }
217
218  void GLGuiWidget::removedFocus()
219  {
220    this->setFrontColor(Color(1, 0, 0));
221
222  }
223
224  void GLGuiWidget::destroyed()
225  {}
226  ;
227
228
229  void GLGuiWidget::setWidgetSize(const Vector2D& size)
230  {
231    this->setSize2D(size);
232    this->resize();
233
234  }
235
236
237  void GLGuiWidget::setWidgetSize(float x, float y)
238  {
239    this->setWidgetSize(Vector2D(x, y));
240  }
241
242
243
244  void GLGuiWidget::connect(GLGuiWidget* sender, Signal& signal, BaseObject* receiver, Slot executor)
245  {
246    sender->connect(signal, receiver, executor);
247  }
248
249  void GLGuiWidget::connect(Signal& signal, BaseObject* receiver, Slot executor)
250  {
251    signal.push_back(SignalConnector(receiver, executor));
252  }
253
254
255  void GLGuiWidget::show()
256  {
257    this->setVisibility(true);
258    this->showing();
259  }
260
261
262
263  void GLGuiWidget::hide()
264  {
265    this->setVisibility(false);
266    this->hiding();
267  }
268
269  void GLGuiWidget::tick(float dt)
270  {
271    if (this->_toFrontColor)
272    {
273      this->_frontColor.slerp(*_toFrontColor, dt*3.0);
274      this->updateFrontColor();
275      if (this->_frontColor.dist(*_toFrontColor) < .1)
276      {
277        delete _toFrontColor;
278        _toFrontColor = NULL;
279      }
280    }
281  }
282
283
284  /**
285   * USE THIS FUNCTION ONLY FROM DERIVED CLASS
286   */
287  void GLGuiWidget::draw() const
288  {
289    this->backMaterial().select();
290    this->drawRect(this->backRect());
291    this->backMaterial().unselect();
292  }
293
294}
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