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source: orxonox.OLD/trunk/src/lib/gui/gl_gui/glgui_handler.cc @ 8103

Last change on this file since 8103 was 8035, checked in by bensch, 19 years ago

gui: merged the gui back to the trunk

File size: 4.6 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_handler.h"
19#include "event_handler.h"
20
21#include "glgui_mainwidget.h"
22#include "glgui_cursor.h"
23
24#include "class_list.h"
25
26
27/// TAKE THIS OUT OF HERE.
28#include "graphics_engine.h"
29
30namespace OrxGui
31{
32
33  /**
34   * standard constructor
35   */
36  GLGuiHandler::GLGuiHandler ()
37  {
38    this->setClassID(CL_GLGUI_HANDLER, "GLGuiHandler");
39    this->setName("GLGuiHandler");
40
41
42    EventHandler::getInstance()->withUNICODE(ES_MENU, true );
43
44    this->cursor = NULL;
45    for (unsigned int i = 0; i < EV_NUMBER; i++)
46    {
47      this->subscribeEvent(ES_MENU, i);
48    }
49  }
50
51  /**
52   *  the singleton reference to this class
53   */
54  GLGuiHandler* GLGuiHandler::singletonRef = NULL;
55
56  /**
57     @brief standard deconstructor
58   */
59  GLGuiHandler::~GLGuiHandler ()
60  {
61    GLGuiHandler::singletonRef = NULL;
62  }
63
64  void GLGuiHandler::activateCursor()
65  {
66    if (this->cursor == NULL)
67      this->cursor = new GLGuiCursor();
68    this->cursor->show();
69    this->cursor->setMaxBorders(Vector2D(GraphicsEngine::getInstance()->getResolutionX(), GraphicsEngine::getInstance()->getResolutionY()));
70  }
71
72  void GLGuiHandler::deactivateCursor(bool deleteCursor)
73  {
74    if (this->cursor)
75    {
76      if (deleteCursor)
77        delete this->cursor;
78      this->cursor = NULL;
79    }
80  }
81
82
83  void GLGuiHandler::activate()
84  {
85    EventHandler::getInstance()->pushState(ES_MENU);
86
87
88
89  }
90
91  void GLGuiHandler::deactivate()
92  {
93    EventHandler::getInstance()->popState();
94
95
96  }
97
98
99  void GLGuiHandler::process(const Event &event)
100  {
101    switch (event.type)
102    {
103      case  EV_MOUSE_BUTTON_LEFT:
104        if (GLGuiWidget::focused() != NULL)
105        {
106          if (event.bPressed)
107          {
108            if (GLGuiWidget::focused()->clickable())
109            {
110              Vector2D cursorPos = (this->cursor != NULL) ? this->cursor->getAbsCoor2D() : Vector2D(event.x, event.y);
111              GLGuiWidget::focused()->click(cursorPos - GLGuiWidget::focused()->getAbsCoor2D());
112            }
113          }
114          else
115          {
116            if (GLGuiWidget::focused()->clickable())
117            {
118              Vector2D cursorPos = (this->cursor != NULL) ? this->cursor->getAbsCoor2D() : Vector2D(event.x, event.y);
119              GLGuiWidget::focused()->release(cursorPos - GLGuiWidget::focused()->getAbsCoor2D());
120            }
121          }
122        }
123        break;
124      case EV_LEAVE_STATE:
125        if (GLGuiWidget::focused() != NULL)
126          GLGuiWidget::focused()->breakFocus();
127        break;
128
129      case EV_VIDEO_RESIZE:
130        if (this->cursor != NULL)
131          this->cursor->setMaxBorders(Vector2D(event.resize.w, event.resize.h));
132        break;
133    }
134
135
136
137    if (GLGuiWidget::focused())
138    {
139      GLGuiWidget::focused()->processEvent(event);
140    }
141
142
143
144  }
145
146
147  Vector2D GLGuiHandler::cursorPositionOverFocusedWidget() const
148  {
149    return (this->cursor != NULL) ? this->cursor->getAbsCoor2D() : Vector2D(0,0);
150  }
151
152  const Vector2D& GLGuiHandler::cursorPositionAbs() const
153  {
154    if (this->cursor)
155      return this->cursor->getAbsCoor2D();
156    else
157      return Vector2D::nullVector();
158  }
159  Vector2D GLGuiHandler::cursorPositionRel(const GLGuiWidget* const widget) const
160  {
161    assert (widget != NULL);
162    if (this->cursor)
163      return  this->cursor->getAbsCoor2D() - widget->getAbsCoor2D();
164    else
165      return Vector2D::nullVector();
166  }
167
168
169  void GLGuiHandler::draw()
170  {
171    //    GLGuiMainWidget::getInstance()->draw2D(E2D_LAYER_TOP);
172  }
173
174
175  void GLGuiHandler::tick(float dt)
176  {
177
178    // CHECK THE COLLISIONS.
179    const std::list<BaseObject*>* objects = ClassList::getList(CL_GLGUI_WIDGET);
180
181    if (objects != NULL && this->cursor != NULL)
182    {
183      for (std::list<BaseObject*>::const_iterator it = objects->begin(); it != objects->end(); it++)
184      {
185        GLGuiWidget* widget = dynamic_cast<GLGuiWidget*>(*it);
186
187        if (widget->isVisible() &&
188            widget->focusable() &&
189            widget->focusOverWidget(this->cursor))
190        {
191          // receiving Focus
192          if (GLGuiWidget::focused() != widget)
193          {
194            widget->giveFocus();
195          }
196          return ;
197        }
198      }
199      if (GLGuiWidget::focused() != NULL)
200        GLGuiWidget::focused()->breakFocus();
201    }
202  }
203}
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