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source: orxonox.OLD/trunk/src/lib/gui/gl/glgui_widget.h @ 10266

Last change on this file since 10266 was 9869, checked in by bensch, 18 years ago

orxonox/trunk: merged the new_class_id branche back to the trunk.
merged with command:
svn merge ​https://svn.orxonox.net/orxonox/branches/new_class_id trunk -r9683:HEAD
no conflicts… puh..
File size: 14.1 KB
Line 
1/*!
2 * @file glgui_widget.h
3 * The gl_widget of the openglGUI
4 */
5
6#ifndef _GLGUI_WIDGET_H
7#define _GLGUI_WIDGET_H
8
9#include "element_2d.h"
10
11#include "glgui_defs.h"
12
13#include "material.h"
14#include "font.h"
15
16#include "rect2D.h"
17
18#include "event.h"
19#include "sigslot/signal.h"
20
21namespace OrxGui
22{
23  class GLGuiCursor;
24
25
26  //! This is widget part of the openglGUI class
27  /**
28   * A widget is the main class of all the elements of th GUI.
29   */
30  class GLGuiWidget : public Element2D
31  {
32    ObjectListDeclaration(GLGuiWidget);
33  public:
34    GLGuiWidget(GLGuiWidget* parent = NULL);
35    virtual ~GLGuiWidget();
36
37    void show();
38    void hide();
39
40    void setParentWidget(GLGuiWidget* parent);
41    GLGuiWidget* parent() const { return this->_parent; }
42
43    /// FOCUS
44    /** @brief gives mouse - focus to this widget */
45    void giveMouseFocus();
46    void breakMouseFocus();
47
48    /** @returns true if the widget is focusable */
49    bool focusable() const { return this->_focusable; };
50    /** @returns true if the position is inside of the Widget. @param position the position to check */
51    bool focusOverWidget(const Vector2D& position) const;
52    /** @brief overloaded function, that returns true if the cursor is on top of the Widget */
53    bool focusOverWidget(const OrxGui::GLGuiCursor* const cursor) const;
54
55    /** @returns the currently mouse - focused Widget (NULL if none is focused). */
56    static GLGuiWidget* mouseFocused() { return GLGuiWidget::_mouseFocused; };
57
58    /// SELECT
59    void select();
60    void unselect();
61    /** @returns true if the Widget is selectable */
62    bool selectable() const { return this->_selectable; }
63
64    /** @returns the currently Selected Widget (NULL if none is selected). */
65    static GLGuiWidget* selected() { return GLGuiWidget::_selected; };
66
67    /// CLICK
68    bool pushed() { return _pushed; };
69    void click(const Vector2D& pos);
70    void release(const Vector2D& pos);
71    bool clickable() const { return this->_clickable; };
72
73    OrxGui::State state() const { return this->_state; };
74
75    Rect2D& backRect() { return this->_backRect; };
76    const Rect2D& backRect() const { return this->_backRect; };
77
78    void setFrontColor(const Color& frontColor, bool instantaniously = false);
79
80    void setWidgetSize(const Vector2D& size);
81    void setWidgetSize(float x, float y);
82
83    void animateBack();
84
85    ///////////////////////////////////////////////////////////////////////////////////
86    /// STYLE /////////////////////////////////////////////////////////////////////////
87    ////////////////////////////////
88    /// Retrieve Current Values. ///
89    ////////////////////////////////
90    /** @returns current left borderWidth */
91    inline float borderLeft() const { return _currentStyle._borderLeft; }
92    /** @returns current right borderWidth */
93    inline float borderRight() const { return _currentStyle._borderRight; }
94    /** @returns current top borderWidth */
95    inline float borderTop() const { return _currentStyle._borderTop; }
96    /** @returns burrent bottom borderWidth */
97    inline float borderBottom() const { return _currentStyle._borderBottom; }
98
99
100    /** @returns current textSize */
101    inline float textSize() const { return _currentStyle._textSize; }
102    /** @returns the Background Color */
103    inline const Color& backgroundColor() const { return _currentStyle._background.diffuseColor(); }
104    /** @returns the current Background Material. */
105    inline const Material& background() const { return _currentStyle._background; }
106    /** @returns the current background Texture. */
107    inline const Texture& backgroundTexture() const { return _currentStyle._background.diffuseTexture(); }
108    /** @returns the current foreground Color */
109    inline const Color& foregroundColor() const { return _currentStyle._foreground.diffuseColor(); }
110    /** @returns the current ForeGroung Material. */
111    inline const Material& foreground() const { return _currentStyle._foreground; }
112
113
114    /** @returns FeaturePosition */
115    inline FeaturePosition featurePosition() const { return _featurePosition; }
116    /** @returns the constant font */
117    inline const Font& font() const { return _font; }
118    /** @returns the font */
119    inline Font& font() { return _font; }
120    /** @returns true if the Element is Animated */
121    inline bool animating() const { return _animating; }
122    /** @returns true if State-Changes are animated */
123    inline bool animatedStateChanges() const { return _animatedStateChanges; }
124
125
126    ///////////////////////////////////////////////////////////////
127    /// Retrieve Values for the Saved Values inside the States. ///
128    ///////////////////////////////////////////////////////////////
129    /** @returns left borderWidth @param state the State to retrieve from */
130    inline float borderLeft(OrxGui::State state) const { return _style[state]._borderLeft; }
131    /** @returns right borderWidth @param state the State to retrieve from */
132    inline float borderRight(OrxGui::State state) const { return _style[state]._borderRight; }
133    /** @returns top borderWidth @param state the State to retrieve from */
134    inline float borderTop(OrxGui::State state) const { return _style[state]._borderTop; }
135    /** @returns bottom borderWidth @param state the State to retrieve from */
136    inline float borderBottom(OrxGui::State state) const { return _style[state]._borderBottom; }
137
138    /** @returns textSize @param state the State to retrieve from */
139    inline float textSize(OrxGui::State state) const { return _style[state]._textSize; }
140    /** @returns the Background Color @param state the State to retrieve from */
141    inline const Color& backgroundColor(OrxGui::State state) const { return _style[state]._background.diffuseColor(); }
142    /** @returns the Background Material. @param state the state to retrieve from */
143    inline const Material& background(OrxGui::State state) const { return _style[state]._background; }
144    /** @returns background Texture. @param state the State to retrieve from */
145    inline const Texture& backgroundTexture(OrxGui::State state) const { return _style[state]._background.diffuseTexture(); }
146    /** @returns the foreground Color @param state the State to retrieve from */
147    inline const Color& foregroundColor(OrxGui::State state) const { return _style[state]._foreground.diffuseColor(); }
148    /** @returns the ForeGroung Material. @param state the state to retrieve from */
149    inline const Material& foreground(OrxGui::State state) const { return _style[state]._foreground; }
150
151
152    /// SETUP
153    void resetStyle();
154    void loadParams(const TiXmlElement* root);
155
156    void setBorderLeft(float value);
157    void setBorderLeft(float value, OrxGui::State state);
158    void setBorderLeftS(float value, const std::string& stateName);
159
160    void setBorderRight(float value);
161    void setBorderRight(float value, OrxGui::State state);
162    void setBorderRightS(float value, const std::string& stateName);
163
164    void setBorderTop(float value);
165    void setBorderTop(float value, OrxGui::State state);
166    void setBorderTopS(float value, const std::string& stateName);
167
168    void setBorderBottom(float value);
169    void setBorderBottom(float value, OrxGui::State state);
170    void setBorderBottomS(float value, const std::string& stateName);
171
172    void setTextSize(float value);
173    void setTextSize(float value, OrxGui::State state);
174    void setTextSizeS(float value, const std::string& stateName);
175
176    void setBackgroundColor(const Color& color);
177    void setBackgroundColor(const Color& color, OrxGui::State state);
178    void setBackgroundColorS(float r, float g, float b, float a, const std::string& stateName);
179
180    void setBackgroundTexture(const Texture& texture);
181    void setBackgroundTexture(const std::string& textureName);
182    void setBackgroundTexture(const Texture& texture, OrxGui::State state);
183    void setBackgroundTexture(const std::string& textureName, const std::string& stateName);
184
185    void setForegroundColor(const Color& color);
186    void setForegroundColor(const Color& color, OrxGui::State state);
187    void setForegroundColorS(float r, float g, float b, float a, const std::string& stateName);
188
189    void setForegroundTexture(const Texture& texture);
190    void setForegroundTexture(const std::string& textureName);
191    void setForegroundTexture(const Texture& texture, OrxGui::State state);
192    void setForegroundTexture(const std::string& textureName, const std::string& stateName);
193
194    void loadBackgroundMaterial(const Material& material);
195    void loadBackgroundMaterial(const Material& material, OrxGui::State state);
196    void loadBackgroundMaterial(const TiXmlElement* element);
197    void loadBackgroundMaterial(const TiXmlElement* element, OrxGui::State state);
198    void loadBackgroundMaterialS(const TiXmlElement* element, const std::string& stateName);
199
200    void loadForegroundMaterial(const Material& material);
201    void loadForegroundMaterial(const Material& material, OrxGui::State state);
202    void loadForegroundMaterial(const TiXmlElement* element, OrxGui::State state);
203    void loadForegroundMaterialS(const TiXmlElement* element, const std::string& stateName);
204
205    void setFeaturePosition(FeaturePosition featurePosition);
206    void setFeaturePositionS(const std::string& featurePosition);
207
208    virtual void setFont(const Font& font);
209    void setFont(const std::string& fontName, unsigned int renderSize = FONT_DEFAULT_RENDER_SIZE);
210
211    void setAnimatedStateChanges(bool animated);
212    void switchState(OrxGui::State state);
213    ///////////////////////////////////////////////////////////////////////////////////
214
215
216    inline void drawRect(const Rect2D& rect) const
217    {
218      glBegin(GL_QUADS);
219      glTexCoord2i(0,0); glVertex2d(rect.left(), rect.top());
220      glTexCoord2i(0,1); glVertex2d(rect.left(), rect.bottom());
221      glTexCoord2i(1,1); glVertex2d(rect.right(), rect.bottom());
222      glTexCoord2i(1,0); glVertex2d(rect.right(), rect.top());
223      glEnd();
224    }
225
226
227    virtual void update() {};
228    virtual void tick(float dt);
229    virtual void draw() const;
230
231    /** @param the Event to process. @returns true if the Event has been consumed*/
232    virtual bool processEvent(const Event& event) { return false; };
233
234    bool getState(const std::string& stateName, OrxGui::State* state);
235
236  protected:
237    /** @param focusable sets if the Widget should be focusable */
238    void setFocusable(bool focusable = true) { this->_focusable = focusable; };
239    /** @param selectable true if the widget should be selectable */
240    void setSelectable(bool selectable) { this->_selectable = selectable; }
241    /** @param focusable true if the widget should be focusable */
242    void setClickable(bool clickable = true) { this->_clickable = clickable; };
243
244
245    /// RENDERING
246    inline void beginDraw() const { glPushMatrix(); glTranslatef(this->getAbsCoor2D().x, this->getAbsCoor2D().y, 0); };
247    inline void endDraw() const { glPopMatrix(); };
248
249
250    /// LOOKS
251    virtual void resize();
252
253    virtual void hiding() {};
254    virtual void showing() {};
255
256    virtual void updateFrontColor() {};
257
258
259    /// EVENTS
260    // mouse clicking
261    virtual void clicking(const Vector2D& pos);
262    virtual void releasing(const Vector2D& pos, bool focused);
263    // mouse focusing
264    virtual void receivedFocus();
265    virtual void removedFocus();
266    // selecting either with the mouse by clicking, or by the keybord traversing to it.
267    virtual void selecting();
268    virtual void unselecting();
269    // destroying the Widget.
270    virtual void destroying();
271
272    // unparent the widget and from this widget seen as parent
273    virtual void removeChildWidget(GLGuiWidget* widget) {};
274
275
276    virtual void debug(unsigned int level) const;
277
278  private:
279    void init();
280
281  private:
282    static GLGuiWidget*            _selected;         //!< The currently selected Widget.
283    static GLGuiWidget*            _mouseFocused;     //!< The currently Focused Widget (mouse-focus).
284    static GLGuiWidget*            _inputGrabber;     //!< The Widget that grabs input (keyboard-focus).
285
286
287    /// WIDGET
288    GLGuiWidget*                   _parent;           //!< The parent of this Widget.
289
290    /// LOOKS
291    Rect2D                         _backRect;
292    Vector2D                       _minSize;
293
294
295    /// EVENTS
296    OrxGui::State                  _state;
297    bool                           _pushed;
298
299    bool                           _focusable;        //!< If this widget can receive focus.
300    bool                           _clickable;        //!< if this widget can be clicked upon.
301    bool                           _selectable;       //!< If this widget can be selected.
302
303
304
305
306    /// STYLE - Variables.
307    typedef struct
308    {
309      float                        _borderLeft;           //!< The Distance to the left Border of the widget, before any internal Element starts.
310      float                        _borderRight;          //!< The Distance to the right Border of the widget, before any internal Element starts.
311      float                        _borderTop;            //!< The Distance to the top Border of the widget, before any internal Element starts
312      float                        _borderBottom;         //!< The Distance to the bottom Border of the widget, before any internal Element starts
313
314      float                        _textSize;             //!< The TextSize of the Widget.
315
316      Material                     _background;           //!< The Background Material of the Widget.
317
318      Material                     _foreground;           //!< The foreground Material of the Widget.
319    }
320    StatedStyle;
321
322
323    StatedStyle                    _style[GLGUI_STATE_COUNT]; //!< Styles configured for different States
324
325    FeaturePosition                _featurePosition;      //!< The Position a Feature will be layed at (checkbox(box), slider(text),...)
326    Font                           _font;                 //!< The Font used in the current Widget.
327
328    static Font*                   _defaultFont;          //!< The default Font.
329
330    /// ANIMATION STUFF:
331    bool                           _animatedStateChanges; //!< If the Transitions between States are Animated automatically.
332
333    bool                           _animating;            //!< If the Widget is animated at the moment (Texture might be an AnimatedTexture.)
334    float                          _animationCycle;
335    float                          _animationDuration;
336    StatedStyle                    _currentStyle;
337
338  };
339}
340#endif /* _GLGUI_WIDGET_H */
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