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source: orxonox.OLD/trunk/src/lib/gui/gl/glgui_widget.cc @ 9649

Last change on this file since 9649 was 9406, checked in by bensch, 18 years ago

orxonox/trunk: merged the proxy back

merged with commandsvn merge -r9346:HEAD https://svn.orxonox.net/orxonox/branches/proxy .

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File size: 23.3 KB
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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
26#include "loading/load_param.h"
27
28/// TODO TAKE THIS OUT OF HERE
29#include "loading/resource_manager.h"
30
31namespace OrxGui
32{
33
34  /**
35   * @brief standard constructor
36  */
37  GLGuiWidget::GLGuiWidget (GLGuiWidget* parent)
38  {
39    this->init();
40
41    this->setParentWidget(parent);
42  }
43
44
45  /**
46   * @brief loads Parameters for a Style from XML
47   * @param root the XML-Element to load from.
48   */
49  void GLGuiWidget::loadParams(const TiXmlElement* root)
50  {
51
52    /// STYLE
53    LoadParam(root, "border-left", this, GLGuiWidget, setBorderLeft);
54    LoadParam(root, "border-right", this, GLGuiWidget, setBorderRight);
55    LoadParam(root, "border-top", this, GLGuiWidget, setBorderTop);
56    LoadParam(root, "border-bottom", this, GLGuiWidget, setBorderBottom);
57
58    LoadParam(root, "text-size", this, GLGuiWidget, setTextSize);
59    LoadParam(root, "background-color", this, GLGuiWidget, setBackgroundColorS);
60    LoadParam(root, "foreground-color", this, GLGuiWidget, setForegroundColorS);
61
62    //    LoadParamXML(root, "backmat", this, GLGuiWidget, loadBackgroundMaterial);
63    //    LoadParamXML(root, "frontmat", this, GLGuiWidget, loadForegroundMaterial);
64
65    LoadParam(root, "feature-position", this, GLGuiWidget, setFeaturePositionS);
66    LoadParam(root, "Font", this, GLGuiWidget, setFont);
67
68    LoadParam(root, "animated-state-changes", this, GLGuiWidget, setAnimatedStateChanges);
69  }
70
71
72  /**
73   * @brief standard deconstructor
74   */
75  GLGuiWidget::~GLGuiWidget()
76  {
77    if (this == GLGuiWidget::_mouseFocused)
78      GLGuiWidget::_mouseFocused = NULL;
79    if (this == GLGuiWidget::selected())
80      this->unselect();
81  }
82
83  GLGuiWidget* GLGuiWidget::_selected = NULL;
84  GLGuiWidget* GLGuiWidget::_mouseFocused = NULL;
85  GLGuiWidget* GLGuiWidget::_inputGrabber = NULL;
86
87
88
89  /**
90   * initializes the GUI-element
91   */
92  void GLGuiWidget::init()
93  {
94    this->setClassID(CL_GLGUI_WIDGET, "GLGuiWidget");
95
96    this->_focusable = false;
97    this->_clickable = false;
98    this->_selectable = false;
99    this->_pushed = false;
100    this->_state = OrxGui::Normal;
101
102
103    this->_font = Font(ResourceManager::getInstance()->getDataDir() + "/fonts/final_frontier.ttf", 20);
104    this->resetStyle();
105
106    this->_animating = false;
107    this->_animationCycle = 0.0;
108    this->_animationDuration = 1.0;
109
110
111    this->setBackgroundColor(Color(.51, .3, .3, .5));
112    this->setBackgroundColor(Color(.3, .5, .3, 1), OrxGui::Selected);
113    this->_style[0]._background.setBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
114    this->_style[1]._background.setBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
115    this->_style[2]._background.setBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
116    this->_style[3]._background.setBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
117
118    this->setForegroundColor(Color(.8, .8, 1, 1), OrxGui::Normal);
119    this->setForegroundColor(Color(0, .4, 1.0, 1), OrxGui::Selected);
120    this->setForegroundColor(Color(0, .0, 1.0, 1), OrxGui::Focused);
121    this->setForegroundColor(Color(.1, .1, .1, 1), OrxGui::Insensitive);
122
123    this->setVisibility(GLGUI_WIDGET_DEFAULT_VISIBLE);
124
125    this->setBorderLeft(15);
126    this->setBackgroundTexture("gui_element_background.png");
127
128    this->switchState(_state);
129    this->_currentStyle = this->_style[_state];
130  }
131
132
133  void GLGuiWidget::setParentWidget(GLGuiWidget* parent)
134  {
135    this->_parent = parent;
136
137    if (parent != NULL)
138      parent->addChild2D(this);
139  }
140
141
142  void GLGuiWidget::setFrontColor(const Color& frontColor, bool instantaniously)
143  {
144    this->_currentStyle._foreground.setDiffuseColor(frontColor);
145    this->animateBack();
146  };
147
148
149  bool GLGuiWidget::focusOverWidget(const Vector2D& position) const
150  {
151    return (this->getAbsCoor2D().x < position.x && this->getAbsCoor2D().x + this->getSizeX2D() > position.x &&
152        this->getAbsCoor2D().y < position.y && this->getAbsCoor2D().y + this->getSizeY2D() > position.y);
153  }
154
155  bool GLGuiWidget::focusOverWidget(const GLGuiCursor* const cursor) const
156  {
157    return this->focusOverWidget(cursor->getAbsCoor2D());
158  }
159
160
161
162  /** @brief gives focus to this widget */
163  void GLGuiWidget::giveMouseFocus()
164  {
165    if (this->_state == OrxGui::Insensitive)
166      return ;
167
168    if (GLGuiWidget::mouseFocused() != NULL)
169      GLGuiWidget::mouseFocused()->breakMouseFocus();
170    GLGuiWidget::_mouseFocused = this;
171
172    this->switchState(OrxGui::Focused);
173
174    this->receivedFocus();
175  };
176
177  void GLGuiWidget::breakMouseFocus()
178  {
179    if (GLGuiWidget::_mouseFocused == this)
180    {
181      GLGuiWidget::_mouseFocused = NULL;
182
183      if (GLGuiWidget::_selected != this)
184        this->switchState(OrxGui::Normal);
185      else
186        this->switchState(OrxGui::Selected);
187
188      this->removedFocus();
189    }
190  };
191
192  /**
193   * @brief selects the Widget, unselecting the old one (if existing)
194   */
195  void GLGuiWidget::select()
196  {
197    if (GLGuiWidget::_selected != NULL)
198      GLGuiWidget::selected()->unselect();
199    GLGuiWidget::_selected = this;
200
201    this->switchState(OrxGui::Selected);
202  }
203
204  /**
205   * @brief unselects the current Widget.
206   *
207   * if the current Widget is not selected, nothing is done here.
208   */
209  void GLGuiWidget::unselect()
210  {
211    if (GLGuiWidget::_selected != this)
212      return;
213
214    if (GLGuiWidget::_mouseFocused == this)
215      this->switchState(OrxGui::Focused);
216    else
217      this->switchState(OrxGui::Normal);
218
219    GLGuiWidget::_selected = NULL;
220  }
221
222
223  void GLGuiWidget::resize()
224  {
225    this->backRect().setSize(this->getSize2D());
226    if (this->parent() != NULL)
227      this->parent()->resize();
228  }
229
230
231  void GLGuiWidget::click(const Vector2D& pos)
232  {
233    assert (!this->_pushed);
234    this->_pushed = true;
235
236    this->clicking(pos);
237  }
238
239  void GLGuiWidget::release(const Vector2D& pos)
240  {
241    if (this->_pushed)
242    {
243      this->releasing(pos, GLGuiWidget::_mouseFocused == this);
244      this->_pushed = false;
245    }
246  }
247
248
249  void GLGuiWidget::clicking(const Vector2D& pos)
250  {}
251
252  void GLGuiWidget::releasing(const Vector2D& pos, bool focused)
253  {}
254
255  void GLGuiWidget::receivedFocus()
256  {
257  }
258
259  void GLGuiWidget::removedFocus()
260  {
261
262  }
263
264  void GLGuiWidget::selecting()
265  {
266  }
267
268  void GLGuiWidget::unselecting()
269  {
270  }
271
272
273  void GLGuiWidget::destroying()
274  {
275  }
276
277
278  void GLGuiWidget::setWidgetSize(const Vector2D& size)
279  {
280    this->setSize2D(size);
281    this->resize();
282
283  }
284
285
286  void GLGuiWidget::setWidgetSize(float x, float y)
287  {
288    this->setWidgetSize(Vector2D(x, y));
289  }
290
291  void GLGuiWidget::show()
292  {
293    this->setVisibility(true);
294    this->showing();
295  }
296
297
298
299  void GLGuiWidget::hide()
300  {
301    this->setVisibility(false);
302    this->hiding();
303  }
304
305
306  /**
307   * @brief resets the Style to the default Settings.
308   */
309  void GLGuiWidget::resetStyle()
310  {
311    this->setBorderLeft(1.0);
312    this->setBorderRight(1.0);
313    this->setBorderTop(1.0);
314    this->setBorderBottom(1.0);
315
316    this->setTextSize(20.0);
317    this->setBackgroundColor(1.0);
318    this->setForegroundColor(1.0);
319
320    this->setFeaturePosition(FeatureLeft);
321
322    this->setAnimatedStateChanges(true);
323  }
324
325
326  /**
327   * @brief sets the Width of the left border for all States
328   * @param value the borderWidth
329   */
330  void GLGuiWidget::setBorderLeft(float value)
331  {
332    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
333      setBorderLeft(value, (OrxGui::State)i);
334  }
335
336  /**
337   * @brief sets the Width of the left border.
338   * @param value the borderWidth
339   * @param state the State to set the borderwidth to
340   */
341  void GLGuiWidget::setBorderLeft(float value, OrxGui::State state)
342  {
343    _style[state]._borderLeft = value;
344    if (state == _state)
345      _currentStyle._borderLeft = value;
346  }
347
348  /**
349   * @brief sets the Width of the left border.
350   * @param value the borderWidth
351   * @param stateName the State to set the borderwidth to
352   */
353  void GLGuiWidget::setBorderLeftS(float value, const std::string& stateName)
354  {
355    OrxGui::State state;
356    if (getState(stateName, &state))
357      this->setBorderLeft(value, state);
358    else
359      this->setBorderLeft(value);
360  }
361
362  /**
363   * @brief sets the Width of the right border for all states.
364   * @param value the borderWidth
365   */
366  void GLGuiWidget::setBorderRight(float value)
367  {
368    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
369      setBorderRight(value, (OrxGui::State)i);
370  }
371
372  /**
373   * @brief sets the Width of the right border.
374   * @param value the borderWidth
375   * @param state the State to setup.
376   */
377  void GLGuiWidget::setBorderRight(float value, OrxGui::State state)
378  {
379    _style[state]._borderRight = value;
380    if (state == _state)
381      _currentStyle._borderRight = value;
382  }
383
384  /**
385   * @brief sets the Width of the right border.
386   * @param value the borderWidth
387   * @param stateName the State to setup.
388   */
389  void GLGuiWidget::setBorderRightS(float value, const std::string& stateName)
390  {
391    OrxGui::State state;
392    if (getState(stateName, &state))
393      this->setBorderRight(value, state);
394    else
395      this->setBorderRight(value);
396  }
397
398
399  /**
400   * @brief sets the Width of the top border for all states.
401   * @param value the borderWidth
402   */
403  void GLGuiWidget::setBorderTop(float value)
404  {
405    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
406      setBorderTop(value, (OrxGui::State)i);
407  }
408
409  /**
410   * @brief sets the Width of the top border.
411   * @param value the borderWidth
412   * @param state the State to setup.
413   */
414  void GLGuiWidget::setBorderTop(float value, OrxGui::State state)
415  {
416    _style[state]._borderTop = value;
417    if (state == _state)
418      _currentStyle._borderTop = value;
419  }
420
421  /**
422   * @brief sets the Width of the top border.
423   * @param value the borderWidth
424   * @param stateName the State to setup.
425   */
426  void GLGuiWidget::setBorderTopS(float value, const std::string& stateName)
427  {
428    OrxGui::State state;
429    if (getState(stateName, &state))
430      this->setBorderTop(value, state);
431    else
432      this->setBorderTop(value);
433  }
434
435
436  /**
437   * @brief sets the Width of the bottom border for all states.
438   * @param value the borderWidth
439   */
440  void GLGuiWidget::setBorderBottom(float value)
441  {
442    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
443      setBorderBottom(value, (OrxGui::State)i);
444  }
445
446  /**
447   * @brief sets the Width of the bottom border.
448   * @param value the borderWidth
449   * @param state the State to setup.
450   */
451  void GLGuiWidget::setBorderBottom(float value, OrxGui::State state)
452  {
453    _style[state]._borderBottom = value;
454    if (state == _state)
455      _currentStyle._borderBottom = value;
456
457  }
458
459  /**
460   * @brief sets the Width of the bottom border for all states.
461   * @param value the borderWidth
462   * @param stateName the State to setup.
463   */
464  void GLGuiWidget::setBorderBottomS(float value, const std::string& stateName)
465  {
466    OrxGui::State state;
467    if (getState(stateName, &state))
468      this->setBorderBottom(value, state);
469    else
470      this->setBorderBottom(value);
471  }
472
473
474  /**
475   * @brief sets the TextSize for all states.
476   * @param value the TextSize
477   */
478  void GLGuiWidget::setTextSize(float value)
479  {
480    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
481      setTextSize(value, (OrxGui::State)i);
482  }
483
484  /**
485   * @brief sets the TextSize.
486   * @param value the TextSize.
487   * @param state: the State to setup
488   */
489  void GLGuiWidget::setTextSize(float value, OrxGui::State state)
490  {
491    _style[state]._textSize = value;
492    if (state == _state)
493      _currentStyle._textSize = value;
494  }
495
496  /**
497   * @brief sets the TextSize.
498   * @param value the TextSize.
499   * @param stateName: the State to setup
500   */
501  void GLGuiWidget::setTextSizeS(float value, const std::string& stateName)
502  {
503    OrxGui::State state;
504    if (getState(stateName, &state))
505      this->setTextSize(value, state);
506    else
507      this->setTextSize(value);
508  }
509
510
511  /**
512   * @brief sets the Background Color for all States.
513   * @param color the Color.
514   */
515  void GLGuiWidget::setBackgroundColor(const Color& color)
516  {
517    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
518      setBackgroundColor(color, (OrxGui::State)i);
519  }
520
521  /**
522   * @brief sets the Background Color.
523   * @param color the Color.
524   * @param state: the State to setup
525   */
526  void GLGuiWidget::setBackgroundColor(const Color& color, OrxGui::State state)
527  {
528    _style[state]._background.setDiffuseColor(color);
529    if (state == _state)
530      _currentStyle._background.setDiffuseColor(color);
531
532  }
533
534  /**
535   * @brief sets the Background Color.
536   * @param r the Color's red part.
537   * @param g the Color's green part.
538   * @param b the Color's blue part.
539   * @param a the Color's alpha part.
540   * @param stateName: the State to setup
541   */
542  void GLGuiWidget::setBackgroundColorS(float r, float g, float b, float a, const std::string& stateName)
543  {
544    OrxGui::State state;
545    if (getState(stateName, &state))
546      this->setBackgroundColor(Color(r,g,b,a), state);
547    else
548      this->setBackgroundColor(Color(r,g,b,a));
549  }
550
551
552  /**
553   * @brief sets the Background Texture for all States.
554   * @param texture the Texture.
555   */
556  void GLGuiWidget::setBackgroundTexture(const Texture& texture)
557  {
558    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
559      setBackgroundTexture(texture, (OrxGui::State)i);
560  }
561
562  /**
563  * @brief sets the Background Texture to all States.
564  * @param textureName the Texture's fileName.
565   */
566  void GLGuiWidget::setBackgroundTexture(const std::string& textureName)
567  {
568    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
569      _style[i]._background.setDiffuseMap(textureName);
570    this->_currentStyle._background.setDiffuseMap(textureName);
571  }
572
573  /**
574   * @brief sets the Background Texture.
575   * @param texture the Texture.
576   * @param state the State to setup.
577   */
578  void GLGuiWidget::setBackgroundTexture(const Texture& texture, OrxGui::State state)
579  {
580    _style[state]._background.setDiffuseMap(texture);
581    if (state == _state)
582      _currentStyle._background.setDiffuseMap(texture);
583  }
584
585
586
587  /**
588   * @brief sets the Background Texture.
589   * @param texture the Texture.
590   * @param stateName the State to setup.
591   */
592  void GLGuiWidget::setBackgroundTexture(const std::string& textureName, const std::string& stateName)
593  {
594    OrxGui::State state;
595    if (getState(stateName, &state))
596      ; /// FIXME this->setBackgroundTexture(textureName, state);
597    else
598      ; ///    this->setBackgroundTexture(textureName);
599  }
600
601
602  /**
603   * @brief sets the Foreground Color for all States.
604   * @param color the Color.
605   */
606  void GLGuiWidget::setForegroundColor(const Color& color)
607  {
608    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
609      setForegroundColor(color, (OrxGui::State)i);
610  }
611
612  /**
613   * @brief sets the Foreground Color.
614   * @param color the Color.
615   * @param state the State to setup
616   */
617  void GLGuiWidget::setForegroundColor(const Color& color, OrxGui::State state)
618  {
619    _style[state]._foreground.setDiffuseColor(color);
620    if (state == _state)
621      _currentStyle._foreground.setDiffuseColor(color);
622
623  }
624
625  /**
626   * @brief sets the Foreground Color.
627   * @param r the Color's red part.
628   * @param g the Color's green part.
629   * @param b the Color's blue part.
630   * @param a the Color's alpha part.
631   * @param stateName: the State to setup
632   */
633  void GLGuiWidget::setForegroundColorS(float r, float g, float b, float a, const std::string& stateName)
634  {
635    OrxGui::State state;
636    if (getState(stateName, &state))
637      this->setForegroundColor(Color(r,g,b,a), state);
638    else
639      this->setForegroundColor(Color(r,g,b,a));
640  }
641
642
643    /**
644   * @brief sets the Foreground Texture for all States.
645   * @param texture the Texture.
646     */
647  void GLGuiWidget::setForegroundTexture(const Texture& texture)
648  {
649    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
650      setForegroundTexture(texture, (OrxGui::State)i);
651  }
652
653  /**
654   * @brief sets the Foreground Texture to all States.
655   * @param textureName the Texture's fileName.
656   */
657  void GLGuiWidget::setForegroundTexture(const std::string& textureName)
658  {
659    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
660      _style[i]._foreground.setDiffuseMap(textureName);
661    this->_currentStyle._foreground.setDiffuseMap(textureName);
662  }
663
664  /**
665   * @brief sets the Foreground Texture.
666   * @param texture the Texture.
667   * @param state the State to setup.
668   */
669  void GLGuiWidget::setForegroundTexture(const Texture& texture, OrxGui::State state)
670  {
671    _style[state]._background.setDiffuseMap(texture);
672    if (state == _state)
673      _currentStyle._background.setDiffuseMap(texture);
674  }
675
676
677
678  /**
679   * @brief sets the Foreground Texture.
680   * @param texture the Texture.
681   * @param stateName the State to setup.
682   */
683  void GLGuiWidget::setForegroundTexture(const std::string& textureName, const std::string& stateName)
684  {
685    OrxGui::State state;
686    if (getState(stateName, &state))
687      ; /// FIXME this->setForegroundTexture(textureName, state);
688    else
689      ; ///    this->setForegroundTexture(textureName);
690  }
691
692
693  void GLGuiWidget::loadBackgroundMaterial(const Material& material)
694  {
695    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
696      this->loadForegroundMaterial(material, (OrxGui::State)i);
697  }
698
699  void GLGuiWidget::loadBackgroundMaterial(const Material& material, OrxGui::State state)
700  {
701    this->_style[state]._background = material;
702    if (state == _state)
703      _currentStyle._background = material;
704
705  }
706
707  void GLGuiWidget::loadBackgroundMaterial(const TiXmlElement* element)
708  {
709    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
710      this->loadBackgroundMaterial(element, (OrxGui::State)i);
711  }
712
713  void GLGuiWidget::loadBackgroundMaterial(const TiXmlElement* element, OrxGui::State state)
714  {
715    this->_style[state]._background.loadParams(element);
716    if (state == _state)
717      this->_currentStyle._background = _style[state]._background;
718  }
719
720  void GLGuiWidget::loadBackgroundMaterialS(const TiXmlElement* element, const std::string& stateName)
721  {
722    OrxGui::State state;
723    if (getState(stateName, &state))
724      this->loadBackgroundMaterial(element, state);
725    else
726      this->loadBackgroundMaterial(element);
727  }
728
729  void GLGuiWidget::loadForegroundMaterial(const Material& material)
730{}
731  void GLGuiWidget::loadForegroundMaterial(const Material& material, OrxGui::State state)
732  {}
733  void GLGuiWidget::loadForegroundMaterial(const TiXmlElement* element, OrxGui::State state)
734  {}
735  void GLGuiWidget::loadForegroundMaterialS(const TiXmlElement* element, const std::string& stateName)
736  {}
737
738
739  /**
740   * @brief sets the Feature-Position.
741   * @param featurePosition the Feature-Position.
742   */
743  void GLGuiWidget::setFeaturePosition(FeaturePosition featurePosition)
744  {
745    this->_featurePosition = featurePosition;
746  }
747
748  /**
749   * @brief sets the Feature-Position by converting from a String.
750   * @param featurePosition the Feature-Position.
751   */
752  void GLGuiWidget::setFeaturePositionS(const std::string& featurePosition)
753  {
754    for (unsigned int i = 0; i < 4; ++i)
755    {
756      if (featurePosition == FeaturePositionString[i])
757      {
758        this->setFeaturePosition((FeaturePosition)i);
759      }
760    }
761  }
762
763  /**
764   * @brief sets the Font.
765   * @param font the Font.
766   */
767  void GLGuiWidget::setFont(const Font& font)
768  {
769    this->_font = font;
770  }
771
772  /**
773   * @brief sets the font from a Font-Name.
774   * @param fontName the FileName of the Font.
775   */
776  void GLGuiWidget::setFont(const std::string& fontName, unsigned int renderSize)
777  {
778    this->_font = Font(fontName, renderSize);
779  }
780
781  /**
782   * @brief sets the AnimatedState.
783   * @param animated: it states-changes should animate true, otherwise false.
784   */
785  void GLGuiWidget::setAnimatedStateChanges(bool animated)
786  {
787    this->_animatedStateChanges = animated;
788  }
789
790
791  void GLGuiWidget::switchState(OrxGui::State state)
792  {
793    //this->_currentStyle = this->_style[state];
794    this->_state = state;
795    PRINTF(4)("%s::%s Switches to state %s\n", this->getClassCName(), this->getCName(), OrxGui::StateString[state].c_str());
796
797    this->animateBack();
798  }
799
800
801  void GLGuiWidget::animateBack()
802  {
803    this->_animating = true;
804    this->_animationCycle = 0.0f;
805  }
806
807
808  void GLGuiWidget::tick(float dt)
809  {
810    if (this->_animating)
811    {
812      this->foregroundColor();
813
814      _animationCycle += dt / _animationDuration;
815      if (_animationCycle >= 1.0)
816      {
817        _currentStyle._foreground.diffuseColor() = this->foregroundColor(_state);
818        _currentStyle._background.diffuseColor() = this->backgroundColor(_state);
819        _animating = false;
820      }
821      else
822      {
823        _currentStyle._foreground.diffuseColor().slerp(this->foregroundColor(_state), _animationCycle);
824        _currentStyle._background.diffuseColor().slerp(this->backgroundColor(_state), _animationCycle);
825      }
826      this->updateFrontColor();
827    }
828  }
829
830
831  /**
832   * USE THIS FUNCTION ONLY FROM DERIVED CLASS
833   */
834  void GLGuiWidget::draw() const
835  {
836    this->background().select();
837    this->drawRect(this->backRect());
838    this->background().unselect();
839  }
840
841
842  /**
843   * @param stateName the Name of a State.
844   * @param state the found State is returned here if found.
845   * @returns true if String is found, false otherwise.
846   */
847  bool GLGuiWidget::getState(const std::string& stateName, OrxGui::State* state)
848  {
849    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
850      if (stateName == OrxGui::StateString[i])
851      {
852        *state = (OrxGui::State)i;
853        return true;
854      }
855    return false;
856  }
857
858  /**
859   * @brief print out some nice debug output about the Widget.
860   */
861  void GLGuiWidget::debug(unsigned int level) const
862  {
863    PRINT(0)("Debug of %s::%s - WidgetPart ", this->getClassCName(), this->getCName());
864    if (_parent != NULL)
865      PRINT(0)("- Parent %s::%s ", _parent->getClassCName(), _parent->getCName());
866    PRINT(0)("- State: %s", StateString[_state].c_str());
867
868    if (_focusable)
869      PRINT(0)("- focusable ");
870    if (_clickable)
871      PRINT(0)("- Clickable ");
872    if (_pushed)
873      PRINT(0)("- Pushed ");
874    PRINT(0)("\n");
875
876
877    PRINT(0)("Minimum Size %0.2f %0.2f ", _minSize.x, _minSize.y);
878    PRINT(0)("Back Rect: ");
879    _backRect.debug();
880    PRINT(0)("Style:\n");
881
882    for (unsigned int i = 0; i < GLGUI_STATE_COUNT; ++i)
883    {
884      PRINT(0)("In State %s: \n", StateString[i].c_str());
885
886      PRINT(0)("  Borders: Left: %0.2f, Right: %0.2f, Top: %0.2f, Bottom %0.2f\n",
887               _style[i]._borderLeft, _style[i]._borderRight, _style[i]._borderTop, _style[i]._borderBottom);
888      PRINT(0)("  TextSize %0.2f\n", _style[i]._textSize);
889      PRINT(0)("  BackgroundColor: "); _style[i]._background.diffuseColor().debug();
890      PRINT(0)("  ForegroundColor: "); _style[i]._foreground.diffuseColor().debug();
891      PRINT(0)("\n");
892    }
893
894
895    PRINT(0)(" Feature at %s ", FeaturePositionString[_featurePosition].c_str());
896    /// TODO    PRINT(0)("");    Font*               _font;                 //!< The Font used in the current Widget.
897
898    if (_animatedStateChanges)
899      PRINT(0)("- AnimatedStateChanges");
900    PRINT(0)("\n");
901
902    /*
903    if (_animating)
904      PRINT(0)("- Animated ");
905
906    //
907    float               _animationCycle;
908    float               _animationDuration;
909    StatedStyle         _currentStyle;
910    OrxGui::State       _currentState;
911    */
912  }
913
914
915}
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