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source: GTP/trunk/App/Demos/Geom/OgreStuff/include/CEGUI/elements/CEGUITooltip.h @ 1092

Revision 1092, 11.4 KB checked in by gumbau, 18 years ago (diff)
LodStrips? and LODTrees demos

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1	/************************************************************************
2	filename: CEGUITooltip.h
3	created: 21/2/2005
4	author: Paul D Turner
5	*************************************************************************/
6	/*************************************************************************
7	Crazy Eddie's GUI System (http://www.cegui.org.uk)
8	Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
9
10	This library is free software; you can redistribute it and/or
11	modify it under the terms of the GNU Lesser General Public
12	License as published by the Free Software Foundation; either
13	version 2.1 of the License, or (at your option) any later version.
14
15	This library is distributed in the hope that it will be useful,
16	but WITHOUT ANY WARRANTY; without even the implied warranty of
17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18	Lesser General Public License for more details.
19
20	You should have received a copy of the GNU Lesser General Public
21	License along with this library; if not, write to the Free Software
22	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23	*************************************************************************/
24	#ifndef _CEGUITooltip_h_
25	#define _CEGUITooltip_h_
26
27	#include "CEGUIWindow.h"
28	#include "elements/CEGUITooltipProperties.h"
29
30	// Start of CEGUI namespace section
31	namespace CEGUI
32	{
33	class CEGUIEXPORT Tooltip : public Window
34	{
35	public:
36	/*************************************************************************
37	Constants
38	*************************************************************************/
39	static const String EventNamespace; //!< Namespace for global events
40	static const String EventHoverTimeChanged; //!< Event fired when the hover timeout gets changed.
41	static const String EventDisplayTimeChanged; //!< Event fired when the display timeout gets changed.
42	static const String EventFadeTimeChanged; //!< Event fired when the fade timeout gets changed.
43	static const String EventTooltipActive; //!< Event fired when the tooltip is about to get activated.
44	static const String EventTooltipInactive; //!< Event fired when the tooltip has been deactivated.
45
46	/************************************************************************
47	Object Construction and Destruction
48	************************************************************************/
49	/*!
50	\brief
51	Constructor for the Tooltip base class constructor
52	*/
53	Tooltip(const String& type, const String& name);
54
55	/*!
56	\brief
57	Destructor for the Tooltip base class.
58	*/
59	~Tooltip(void);
60
61	/************************************************************************
62	Public interface
63	************************************************************************/
64	/*!
65	\brief
66	Sets the target window for the tooltip. This used internally to manage tooltips, you
67	should not have to call this yourself.
68
69	\param wnd
70	Window object that the tooltip should be associated with (for now).
71
72	\return
73	Nothing.
74	*/
75	void setTargetWindow(Window* wnd);
76
77	/*!
78	\brief
79	return the current target window for this Tooltip.
80
81	\return
82	Pointer to the target window for this Tooltip or 0 for none.
83	*/
84	const Window* getTargetWindow();
85
86	/*!
87	\brief
88	Resets the timer on the tooltip when in the Active / Inactive states. This is used internally
89	to control the tooltip, it is not normally necessary to call this method yourself.
90
91	\return
92	Nothing.
93	*/
94	void resetTimer(void);
95
96	/*!
97	\brief
98	Return the number of seconds the mouse should hover stationary over the target window before
99	the tooltip gets activated.
100
101	\return
102	float value representing a number of seconds.
103	*/
104	float getHoverTime(void) const;
105
106	/*!
107	\brief
108	Set the number of seconds the mouse should hover stationary over the target window before
109	the tooltip gets activated.
110
111	\param seconds
112	float value representing a number of seconds.
113
114	\return
115	Nothing.
116	*/
117	void setDisplayTime(float seconds);
118
119	/*!
120	\brief
121	Return the number of seconds that should be taken to fade the tooltip into and out of
122	visibility.
123
124	\return
125	float value representing a number of seconds.
126	*/
127	float getFadeTime(void) const;
128
129	/*!
130	\brief
131	Set the number of seconds that should be taken to fade the tooltip into and out of
132	visibility.
133
134	\param seconds
135	float value representing a number of seconds.
136
137	\return
138	Nothing.
139	*/
140	void setHoverTime(float seconds);
141
142	/*!
143	\brief
144	Return the number of seconds the tooltip should be displayed for before it automatically
145	de-activates itself. 0 indicates that the tooltip never timesout and auto-deactivates.
146
147	\return
148	float value representing a number of seconds.
149	*/
150	float getDisplayTime(void) const;
151
152	/*!
153	\brief
154	Set the number of seconds the tooltip should be displayed for before it automatically
155	de-activates itself. use a value of 0 if you never want the tooltip to timeout.
156
157	\param seconds
158	float value representing a number of seconds.
159
160	\return
161	Nothing.
162	*/
163	void setFadeTime(float seconds);
164
165	//
166	/*!
167	\brief
168	Causes the tooltip to position itself appropriately.
169
170	\return
171	Nothing.
172	*/
173	void positionSelf(void);
174
175	protected:
176	/*************************************************************************
177	Implementation Methods
178	*************************************************************************/
179	/*!
180	\brief
181	Add ScrollablePane specific events
182	*/
183	void addTooltipEvents(void);
184
185	// methods to perform processing for each of the widget states
186	void doActiveState(float elapsed);
187	void doInactiveState(float elapsed);
188	void doFadeInState(float elapsed);
189	void doFadeOutState(float elapsed);
190
191	// methods to switch widget states
192	void switchToInactiveState(void);
193	void switchToActiveState(void);
194	void switchToFadeInState(void);
195	void switchToFadeOutState(void);
196
197
198	/*!
199	\brief
200	Return whether this window was inherited from the given class name at some point in the inheritance heirarchy.
201
202	\param class_name
203	The class name that is to be checked.
204
205	\return
206	true if this window was inherited from \a class_name. false if not.
207	*/
208	virtual bool testClassName_impl(const String& class_name) const
209	{
210	if (class_name==(const utf8*)"Tooltip") return true;
211	return Window::testClassName_impl(class_name);
212	}
213
214	/*************************************************************************
215	Event triggers
216	*************************************************************************/
217	/*!
218	\brief
219	Event trigger method called when the hover timeout gets changed.
220
221	\param e
222	WindowEventArgs object.
223
224	\return
225	Nothing.
226	*/
227	virtual void onHoverTimeChanged(WindowEventArgs& e);
228
229	/*!
230	\brief
231	Event trigger method called when the display timeout gets changed.
232
233	\param e
234	WindowEventArgs object.
235
236	\return
237	Nothing.
238	*/
239	virtual void onDisplayTimeChanged(WindowEventArgs& e);
240
241	/*!
242	\brief
243	Event trigger method called when the fade timeout gets changed.
244
245	\param e
246	WindowEventArgs object.
247
248	\return
249	Nothing.
250	*/
251	virtual void onFadeTimeChanged(WindowEventArgs& e);
252
253	/*!
254	\brief
255	Event trigger method called just before the tooltip becomes active.
256
257	\param e
258	WindowEventArgs object.
259
260	\return
261	Nothing.
262	*/
263	virtual void onTooltipActive(WindowEventArgs& e);
264
265	/*!
266	\brief
267	Event trigger method called just after the tooltip is deactivated.
268
269	\param e
270	WindowEventArgs object.
271
272	\return
273	Nothing.
274	*/
275	virtual void onTooltipInactive(WindowEventArgs& e);
276
277
278	/************************************************************************
279	Overridden from Window.
280	************************************************************************/
281	void updateSelf(float elapsed);
282	void onMouseEnters(MouseEventArgs& e);
283	void onTextChanged(WindowEventArgs& e);
284
285	/************************************************************************
286	Enumerations
287	************************************************************************/
288	/*!
289	\brief
290	states for tooltip
291	*/
292	enum TipState
293	{
294	Inactive, //!< Tooltip is currently inactive.
295	Active, //!< Tooltip is currently displayed and active.
296	FadeIn, //!< Tooltip is currently transitioning from Inactive to Active state.
297	FadeOut //!< Tooltip is currently transitioning from Active to Inactive state.
298	};
299
300	/************************************************************************
301	Data fields
302	************************************************************************/
303	TipState d_state; //!< Current tooltip state.
304	float d_elapsed; //!< Used to track state change timings
305	const Window* d_target; //!< Current target Window for this Tooltip.
306	float d_hoverTime; //!< tool-tip hover time (seconds mouse must stay stationary before tip shows).
307	float d_displayTime; //!< tool-tip display time (seconds that tip is showsn for).
308	float d_fadeTime; //!< tool-tip fade time (seconds it takes for tip to fade in and/or out).
309
310	private:
311	/*************************************************************************
312	Static Properties for this class
313	*************************************************************************/
314	static TooltipProperties::HoverTime d_hoverTimeProperty;
315	static TooltipProperties::DisplayTime d_displayTimeProperty;
316	static TooltipProperties::FadeTime d_fadeTimeProperty;
317
318	/*************************************************************************
319	Private methods
320	*************************************************************************/
321	void addTooltipProperties(void);
322	};
323
324	} // End of CEGUI namespace section
325
326
327	#endif // end of guard _CEGUITooltip_h_

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