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

Revision 1092, 28.2 KB checked in by gumbau, 18 years ago (diff)
LodStrips? and LODTrees demos

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1	/************************************************************************
2	filename: CEGUISystem.h
3	created: 20/2/2004
4	author: Paul D Turner
5
6	purpose: Defines interface for main GUI system class
7	*************************************************************************/
8	/*************************************************************************
9	Crazy Eddie's GUI System (http://www.cegui.org.uk)
10	Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
11
12	This library is free software; you can redistribute it and/or
13	modify it under the terms of the GNU Lesser General Public
14	License as published by the Free Software Foundation; either
15	version 2.1 of the License, or (at your option) any later version.
16
17	This library is distributed in the hope that it will be useful,
18	but WITHOUT ANY WARRANTY; without even the implied warranty of
19	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	Lesser General Public License for more details.
21
22	You should have received a copy of the GNU Lesser General Public
23	License along with this library; if not, write to the Free Software
24	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25	*************************************************************************/
26	#ifndef _CEGUISystem_h_
27	#define _CEGUISystem_h_
28
29	#include "CEGUIBase.h"
30	#include "CEGUIString.h"
31	#include "CEGUISingleton.h"
32	#include "CEGUIRenderer.h"
33	#include "CEGUIMouseCursor.h"
34	#include "CEGUIInputEvent.h"
35	#include "CEGUIResourceProvider.h"
36
37
38	#if defined(_MSC_VER)
39	# pragma warning(push)
40	# pragma warning(disable : 4275)
41	# pragma warning(disable : 4251)
42	#endif
43
44
45	// Start of CEGUI namespace section
46	namespace CEGUI
47	{
48	// forward reference of impl struct
49	struct MouseClickTrackerImpl;
50
51
52	/*!
53	\brief
54	The System class is the CEGUI class that provides access to all other elements in this system.
55
56	This object must be created by the client application. The System object requires that you pass it
57	an initialised Renderer object which it can use to interface to whatever rendering system will be
58	used to display the GUI imagery.
59	*/
60	class CEGUIEXPORT System : public Singleton<System>, public EventSet
61	{
62	public:
63	static const String EventNamespace; //!< Namespace for global events
64
65	/*************************************************************************
66	Constants
67	*************************************************************************/
68	static const double DefaultSingleClickTimeout; //!< Default timeout for generation of single click events.
69	static const double DefaultMultiClickTimeout; //!< Default timeout for generation of multi-click events.
70	static const Size DefaultMultiClickAreaSize; //!< Default allowable mouse movement for multi-click event generation.
71
72	// event names
73	static const String EventGUISheetChanged; //!< Name of event fired whenever the GUI sheet is changed.
74	static const String EventSingleClickTimeoutChanged; //!< Name of event fired when the single-click timeout is changed.
75	static const String EventMultiClickTimeoutChanged; //!< Name of event fired when the multi-click timeout is changed.
76	static const String EventMultiClickAreaSizeChanged; //!< Name of event fired when the size of the multi-click tolerance area is changed.
77	static const String EventDefaultFontChanged; //!< Name of event fired when the default font changes.
78	static const String EventDefaultMouseCursorChanged; //!< Name of event fired when the default mouse cursor changes.
79	static const String EventMouseMoveScalingChanged; //!< Name of event fired when the mouse move scaling factor changes.
80
81
82	/*************************************************************************
83	Construction and Destruction
84	*************************************************************************/
85	/*!
86	\brief
87	Constructs a System object.
88
89	\param renderer
90	Pointer to the valid Renderer object that will be used to render GUI imagery
91
92	\param logFile
93	pointer to a utf8 encoded buffer containing the name to use for the log file.
94	*/
95	System(Renderer* renderer, const utf8* logFile = (const utf8*)"CEGUI.log");
96
97	/*!
98	\brief
99	Construct a new System object
100
101	\param renderer
102	Pointer to the valid Renderer object that will be used to render GUI imagery
103
104	\param resourceProvider
105	Pointer to a ResourceProvider object.
106
107	\param logFile
108	pointer to a utf8 encoded buffer containing the name to use for the log file.
109	*/
110	System(Renderer* renderer, ResourceProvider* resourceProvider, const utf8* logFile = (const utf8*)"CEGUI.log");
111
112
113	/*!
114	\brief
115	Construct a new System object
116
117	\param renderer
118	Pointer to the valid Renderer object that will be used to render GUI imagery
119
120	\param scriptModule
121	Pointer to a ScriptModule object. may be NULL.
122
123	\param configFile
124	pointer to a utf8 encoded buffer containing the name to use for the configuration file.
125	*/
126	System(Renderer* renderer, ScriptModule* scriptModule, const utf8* configFile = (const utf8*)"cegui.config");
127
128
129	/*!
130	\brief
131	Construct a new System object
132
133	\param renderer
134	Pointer to the valid Renderer object that will be used to render GUI imagery
135
136	\param scriptModule
137	Pointer to a ScriptModule object. may be NULL.
138
139	\param resourceProvider
140	Pointer to a ResourceProvider object.
141
142	\param configFile
143	pointer to a utf8 encoded buffer containing the name to use for the configuration file.
144	*/
145	System(Renderer* renderer, ScriptModule* scriptModule, ResourceProvider* resourceProvider, const utf8* configFile = (const utf8*)"cegui.config");
146
147
148	/*!
149	\brief
150	Constructs a System object.
151
152	\param renderer
153	Pointer to the valid Renderer object that will be used to render GUI imagery
154
155	\param xmlParser
156	Pointer to a valid XMLParser object to be used when parsing XML files, or NULL to use a default parser.
157
158	\param logFile
159	pointer to a utf8 encoded buffer containing the name to use for the log file.
160	*/
161	System(Renderer* renderer, XMLParser* xmlParser, const utf8* logFile = (const utf8*)"CEGUI.log");
162
163
164	/*!
165	\brief
166	Constructs a System object.
167
168	\param renderer
169	Pointer to the valid Renderer object that will be used to render GUI imagery
170
171	\param resourceProvider
172	Pointer to a ResourceProvider object.
173
174	\param xmlParser
175	Pointer to a valid XMLParser object to be used when parsing XML files, or NULL to use a default parser.
176
177	\param logFile
178	pointer to a utf8 encoded buffer containing the name to use for the log file.
179	*/
180	System(Renderer* renderer, ResourceProvider* resourceProvider, XMLParser* xmlParser, const utf8* logFile = (const utf8*)"CEGUI.log");
181
182
183	/*!
184	\brief
185	Construct a new System object
186
187	\param renderer
188	Pointer to the valid Renderer object that will be used to render GUI imagery
189
190	\param xmlParser
191	Pointer to a valid XMLParser object to be used when parsing XML files, or NULL to use a default parser.
192
193	\param scriptModule
194	Pointer to a ScriptModule object. may be NULL.
195
196	\param configFile
197	pointer to a utf8 encoded buffer containing the name to use for the configuration file.
198	*/
199	System(Renderer* renderer, XMLParser* xmlParser, ScriptModule* scriptModule, const utf8* configFile = (const utf8*)"cegui.config");
200
201
202	/*!
203	\brief
204	Construct a new System object
205
206	\param renderer
207	Pointer to the valid Renderer object that will be used to render GUI imagery
208
209	\param resourceProvider
210	Pointer to a ResourceProvider object.
211
212	\param xmlParser
213	Pointer to a valid XMLParser object to be used when parsing XML files, or NULL to use a default parser.
214
215	\param scriptModule
216	Pointer to a ScriptModule object. may be NULL.
217
218	\param configFile
219	pointer to a utf8 encoded buffer containing the name to use for the configuration file.
220	*/
221	System(Renderer* renderer, ResourceProvider* resourceProvider, XMLParser* xmlParser, ScriptModule* scriptModule, const utf8* configFile = (const utf8*)"cegui.config");
222
223
224	/*!
225	\brief
226	Destructor for System objects.
227	*/
228	~System(void);
229
230
231	/*!
232	\brief
233	Return a pointer to the Renderer object being used by the system
234
235	\return
236	Pointer to the Renderer object used by the system.
237	*/
238	Renderer* getRenderer(void) const {return d_renderer;}
239
240
241	/*!
242	\brief
243	Return singleton System object
244
245	\return
246	Singleton System object
247	*/
248	static System& getSingleton(void);
249
250
251	/*!
252	\brief
253	Return pointer to singleton System object
254
255	\return
256	Pointer to singleton System object
257	*/
258	static System* getSingletonPtr(void);
259
260
261	/*!
262	\brief
263	Set the default font to be used by the system
264
265	\param name
266	String object containing the name of the font to be used as the system default.
267
268	\return
269	Nothing.
270	*/
271	void setDefaultFont(const String& name);
272
273
274	/*!
275	\brief
276	Set the default font to be used by the system
277
278	\param font
279	Pointer to the font to be used as the system default.
280
281	\return
282	Nothing.
283	*/
284	void setDefaultFont(Font* font);
285
286
287	/*!
288	\brief
289	Return a pointer to the default Font for the GUI system
290
291	\return
292	Pointer to a Font object that is the default font in the system.
293	*/
294	Font* getDefaultFont(void) const {return d_defaultFont;}
295
296
297	/*!
298	\brief
299	Causes a full re-draw next time renderGUI() is called
300
301	\return
302	Nothing
303	*/
304	void signalRedraw() {d_gui_redraw = true;}
305
306
307	/*!
308	\brief
309	Return a boolean value to indicate whether a full re-draw is requested next time renderGUI() is called.
310
311	\return
312	true if a re-draw has been requested
313	*/
314	bool isRedrawRequested() const {return d_gui_redraw;}
315
316
317	/*!
318	\brief
319	Render the GUI
320
321	Depending upon the internal state, this may either re-use rendering from last time, or trigger a full re-draw from all elements.
322
323	\return
324	Nothing
325	*/
326	void renderGUI(void);
327
328
329	/*!
330	\brief
331	Set the active GUI sheet (root) window.
332
333	\param sheet
334	Pointer to a Window object that will become the new GUI 'root'
335
336	\return
337	Pointer to the window that was previously set as the GUI root.
338	*/
339	Window* setGUISheet(Window* sheet);
340
341
342	/*!
343	\brief
344	Return a pointer to the active GUI sheet (root) window.
345
346	\return
347	Pointer to the window object that has been set as the GUI root element.
348	*/
349	Window* getGUISheet(void) const {return d_activeSheet;}
350
351
352	/*!
353	\brief
354	Return the current timeout for generation of single-click events.
355
356	A single-click is defined here as a button being pressed and then released.
357
358	\return
359	double value equal to the current single-click timeout value.
360	*/
361	double getSingleClickTimeout(void) const {return d_click_timeout;}
362
363
364	/*!
365	\brief
366	Return the current timeout for generation of multi-click events.
367
368	A multi-click event is a double-click, or a triple-click. The value returned
369	here is the maximum allowable time between mouse button down events for which
370	a multi-click event will be generated.
371
372	\return
373	double value equal to the current multi-click timeout value.
374	*/
375	double getMultiClickTimeout(void) const {return d_dblclick_timeout;}
376
377
378	/*!
379	\brief
380	Return the size of the allowable mouse movement tolerance used when generating multi-click events.
381
382	This size defines an area with the mouse at the centre. The mouse must stay within the tolerance defined
383	for a multi-click (double click, or triple click) event to be generated.
384
385	\return
386	Size object describing the current multi-click tolerance area size.
387	*/
388	const Size& getMultiClickToleranceAreaSize(void) const {return d_dblclick_size;}
389
390
391	/*!
392	\brief
393	Set the timeout used for generation of single-click events.
394
395	A single-click is defined here as a button being pressed and then released.
396
397	\param timeout
398	double value equal to the single-click timeout value to be used from now onwards.
399
400	\return
401	Nothing.
402	*/
403	void setSingleClickTimeout(double timeout);
404
405
406	/*!
407	\brief
408	Set the timeout to be used for the generation of multi-click events.
409
410	A multi-click event is a double-click, or a triple-click. The value returned
411	here is the maximum allowable time between mouse button down events for which
412	a multi-click event will be generated.
413
414	\param timeout
415	double value equal to the multi-click timeout value to be used from now onwards.
416
417	\return
418	Nothing.
419	*/
420	void setMultiClickTimeout(double timeout);
421
422
423	/*!
424	\brief
425	Set the size of the allowable mouse movement tolerance used when generating multi-click events.
426
427	This size defines an area with the mouse at the centre. The mouse must stay within the tolerance defined
428	for a multi-click (double click, or triple click) event to be generated.
429
430	\param sz
431	Size object describing the multi-click tolerance area size to be used.
432
433	\return
434	Nothing.
435	*/
436	void setMultiClickToleranceAreaSize(const Size& sz);
437
438
439	/*!
440	\brief
441	Return the currently set default mouse cursor image
442
443	\return
444	Pointer to the current default image used for the mouse cursor. May return NULL if default cursor has not been set,
445	or has intentionally been set to NULL - which results in a blank default cursor.
446	*/
447	const Image* getDefaultMouseCursor(void) const {return d_defaultMouseCursor;}
448
449
450	/*!
451	\brief
452	Set the image to be used as the default mouse cursor.
453
454	\param image
455	Pointer to an image object that is to be used as the default mouse cursor. To have no cursor rendered by default, you
456	can specify NULL here.
457
458	\return
459	Nothing.
460	*/
461	void setDefaultMouseCursor(const Image* image);
462
463
464	/*!
465	\brief
466	Set the image to be used as the default mouse cursor.
467
468	\param image
469	One of the MouseCursorImage enumerated values.
470
471	\return
472	Nothing.
473	*/
474	void setDefaultMouseCursor(MouseCursorImage image) {setDefaultMouseCursor((const Image*)image);}
475
476
477	/*!
478	\brief
479	Set the image to be used as the default mouse cursor.
480
481	\param imageset
482	String object that contains the name of the Imageset that contains the image to be used.
483
484	\param image_name
485	String object that contains the name of the Image on \a imageset that is to be used.
486
487	\return
488	Nothing.
489
490	\exception UnknownObjectException thrown if \a imageset is not known, or if \a imageset contains no Image named \a image_name.
491	*/
492	void setDefaultMouseCursor(const String& imageset, const String& image_name);
493
494
495	/*!
496	\brief
497	Return the Window object that the mouse is presently within
498
499	\return
500	Pointer to the Window object that currently contains the mouse cursor, or NULL if none.
501	*/
502	Window* getWindowContainingMouse(void) const {return d_wndWithMouse;}
503
504
505	/*!
506	\brief
507	Return a pointer to the ScriptModule being used for scripting within the GUI system.
508
509	\return
510	Pointer to a ScriptModule based object.
511	*/
512	ScriptModule* getScriptingModule(void) const;
513
514	/*!
515	\brief
516	Return a pointer to the ResourceProvider being used within the GUI system.
517
518	\return
519	Pointer to a ResourceProvider based object.
520	*/
521	ResourceProvider* getResourceProvider(void) const;
522
523	/*!
524	\brief
525	Execute a script file if possible.
526
527	\param filename
528	String object holding the filename of the script file that is to be executed
529
530	\param resourceGroup
531	Resource group identifier to be passed to the ResourceProvider when loading the script file.
532	*/
533	void executeScriptFile(const String& filename, const String& resourceGroup = "") const;
534
535
536	/*!
537	\brief
538	Execute a scripted global function if possible. The function should not take any parameters and should return an integer.
539
540	\param function_name
541	String object holding the name of the function, in the global script environment, that
542	is to be executed.
543
544	\return
545	The integer value returned from the script function.
546	*/
547	int executeScriptGlobal(const String& function_name) const;
548
549
550	/*!
551	\brief
552	If possible, execute script code contained in the given CEGUI::String object.
553
554	\param str
555	String object holding the valid script code that should be executed.
556
557	\return
558	Nothing.
559	*/
560	void executeScriptString(const String& str) const;
561
562
563	/*!
564	\brief
565	return the current mouse movement scaling factor.
566
567	\return
568	float value that is equal to the currently set mouse movement scaling factor. Defaults to 1.0f.
569	*/
570	float getMouseMoveScaling(void) const;
571
572
573	/*!
574	\brief
575	Set the current mouse movement scaling factor
576
577	\param scaling
578	float value specifying the scaling to be applied to mouse movement inputs.
579
580	\return
581	nothing.
582	*/
583	void setMouseMoveScaling(float scaling);
584
585
586	/*!
587	\brief
588	Internal method used to inform the System object whenever a window is destroyed, so that System can perform any required
589	housekeeping.
590
591	\note
592	This method is not intended for client code usage. If you use this method anything can, and probably will, go wrong!
593	*/
594	void notifyWindowDestroyed(const Window* window);
595
596
597	/*!
598	\brief
599	Return the current system keys value.
600
601	\return
602	uint value representing a combination of the SystemKey bits.
603	*/
604	uint getSystemKeys(void) const { return d_sysKeys; }
605
606	/*!
607	\brief
608	Return the XMLParser object.
609	*/
610	XMLParser* getXMLParser(void) const { return d_xmlParser; }
611
612
613	/*!
614	\brief
615	Set the system default Tooltip object. This value may be NULL to indicate that no default Tooltip will be
616	available.
617
618	\param tooltip
619	Pointer to a valid Tooltip based object which should be used as the default tooltip for the system, or NULL to
620	indicate that no system default tooltip is required. Note that when passing a pointer to a Tooltip object,
621	ownership of the Tooltip does not pass to System.
622
623	\return
624	Nothing.
625	*/
626	void setTooltip(Tooltip* tooltip);
627
628	/*!
629	\brief
630	Set the system default Tooltip to be used by specifying a Window type.
631
632	System will internally attempt to create an instance of the specified window type (which must be
633	derived from the base Tooltip class). If the Tooltip creation fails, the error is logged and no
634	system default Tooltip will be available.
635
636	\param tooltipType
637	String object holding the name of the Tooltip based Window type which should be used as the Tooltip for
638	the system default.
639
640	\return
641	Nothing.
642	*/
643	void setTooltip(const String& tooltipType);
644
645	/*!
646	\brief
647	return a poiter to the system default tooltip. May return 0.
648
649	\return
650	Pointer to the current system default tooltip. May return 0 if
651	no system default tooltip is available.
652	*/
653	Tooltip* getDefaultTooltip(void) const { return d_defaultTooltip; }
654
655
656	/*************************************************************************
657	Input injection interface
658	*************************************************************************/
659	/*!
660	\brief
661	Method that injects a mouse movement event into the system
662
663	\param delta_x
664	amount the mouse moved on the x axis.
665
666	\param delta_y
667	amount the mouse moved on the y axis.
668
669	\return
670	- true if the input was processed by the gui system.
671	- false if the input was not processed by the gui system.
672	*/
673	bool injectMouseMove(float delta_x, float delta_y);
674
675
676	/*!
677	\brief
678	Method that injects that the mouse has left the application window
679
680	\return
681	- true if the generated mouse move event was handled.
682	- false if the generated mouse move event was not handled.
683	*/
684	bool injectMouseLeaves(void);
685
686
687	/*!
688	\brief
689	Method that injects a mouse button down event into the system.
690
691	\param button
692	One of the MouseButton values indicating which button was pressed.
693
694	\return
695	- true if the input was processed by the gui system.
696	- false if the input was not processed by the gui system.
697	*/
698	bool injectMouseButtonDown(MouseButton button);
699
700
701	/*!
702	\brief
703	Method that injects a mouse button up event into the system.
704
705	\param button
706	One of the MouseButton values indicating which button was released.
707
708	\return
709	- true if the input was processed by the gui system.
710	- false if the input was not processed by the gui system.
711	*/
712	bool injectMouseButtonUp(MouseButton button);
713
714
715	/*!
716	\brief
717	Method that injects a key down event into the system.
718
719	\param key_code
720	uint value indicating which key was pressed.
721
722	\return
723	- true if the input was processed by the gui system.
724	- false if the input was not processed by the gui system.
725	*/
726	bool injectKeyDown(uint key_code);
727
728
729	/*!
730	\brief
731	Method that injects a key up event into the system.
732
733	\param key_code
734	uint value indicating which key was released.
735
736	\return
737	- true if the input was processed by the gui system.
738	- false if the input was not processed by the gui system.
739	*/
740	bool injectKeyUp(uint key_code);
741
742
743	/*!
744	\brief
745	Method that injects a typed character event into the system.
746
747	\param code_point
748	Unicode code point of the character that was typed.
749
750	\return
751	- true if the input was processed by the gui system.
752	- false if the input was not processed by the gui system.
753	*/
754	bool injectChar(utf32 code_point);
755
756
757	/*!
758	\brief
759	Method that injects a mouse-wheel / scroll-wheel event into the system.
760
761	\param delta
762	float value representing the amount the wheel moved.
763
764	\return
765	- true if the input was processed by the gui system.
766	- false if the input was not processed by the gui system.
767	*/
768	bool injectMouseWheelChange(float delta);
769
770
771	/*!
772	\brief
773	Method that injects a new position for the mouse cursor.
774
775	\param x_pos
776	New absolute pixel position of the mouse cursor on the x axis.
777
778	\param y_pos
779	New absolute pixel position of the mouse cursoe in the y axis.
780
781	\return
782	- true if the generated mouse move event was handled.
783	- false if the generated mouse move event was not handled.
784	*/
785	bool injectMousePosition(float x_pos, float y_pos);
786
787
788	/*!
789	\brief
790	Method to inject time pulses into the system.
791
792	\param timeElapsed
793	float value indicating the amount of time passed, in seconds, since the last time this method was called.
794
795	\return
796	Currently, this method always returns true.
797	*/
798	bool injectTimePulse(float timeElapsed);
799
800
801	private:
802	// unimplemented constructors / assignment
803	System(const System& obj);
804	System& operator=(const System& obj);
805
806	/*************************************************************************
807	Implementation Constants
808	*************************************************************************/
809	static const char CEGUIConfigSchemaName[]; //!< Filename of the XML schema used for validating Config files.
810
811
812	/*************************************************************************
813	Implementation Functions
814	*************************************************************************/
815	/*!
816	\brief
817	Given Point \a pt, return a pointer to the Window that should receive a mouse input if \a pt is the mouse location.
818
819	\param pt
820	Point object describing a screen location in pixels.
821
822	\return
823	Pointer to a Window object that should receive mouse input with the system in its current state and the mouse at location \a pt.
824	*/
825	Window* getTargetWindow(const Point& pt) const;
826
827
828	/*!
829	\brief
830	Translate a MouseButton value into the corresponding SystemKey value
831
832	\param btn
833	MouseButton value describing the value to be converted
834
835	\return
836	SystemKey value that corresponds to the same button as \a btn
837	*/
838	SystemKey mouseButtonToSyskey(MouseButton btn) const;
839
840
841	/*!
842	\brief
843	Translate a Key::Scan value into the corresponding SystemKey value.
844
845	This takes key direction into account, since we map two keys onto one value.
846
847	\param key
848	Key::Scan value describing the value to be converted
849
850	\param direction
851	true if the key is being pressed, false if the key is being released.
852
853	\return
854	SystemKey value that corresponds to the same key as \a key, or 0 if key was not a system key.
855	*/
856	SystemKey keyCodeToSyskey(Key::Scan key, bool direction);
857
858
859	/*!
860	\brief
861	Method to do the work of the constructor
862	*/
863	void constructor_impl(Renderer* renderer, ResourceProvider* resourceProvider, XMLParser* xmlParser, ScriptModule* scriptModule, const String& configFile, const String& logFile);
864
865
866	/*!
867	\brief
868	add events for the System object
869	*/
870	void addSystemEvents(void);
871
872
873	/*!
874	\brief
875	Handler method for display size change notifications
876	*/
877	bool handleDisplaySizeChange(const EventArgs& e);
878
879
880	/*************************************************************************
881	Handlers for System events
882	*************************************************************************/
883	/*!
884	\brief
885	Handler called when the main system GUI Sheet (or root window) is changed.
886
887	\a e is a WindowEventArgs with 'window' set to the old root window.
888	*/
889	void onGUISheetChanged(WindowEventArgs& e);
890
891
892	/*!
893	\brief
894	Handler called when the single-click timeout value is changed.
895	*/
896	void onSingleClickTimeoutChanged(EventArgs& e);
897
898
899	/*!
900	\brief
901	Handler called when the multi-click timeout value is changed.
902	*/
903	void onMultiClickTimeoutChanged(EventArgs& e);
904
905
906	/*!
907	\brief
908	Handler called when the size of the multi-click tolerance area is changed.
909	*/
910	void onMultiClickAreaSizeChanged(EventArgs& e);
911
912
913	/*!
914	\brief
915	Handler called when the default system font is changed.
916	*/
917	void onDefaultFontChanged(EventArgs& e);
918
919
920	/*!
921	\brief
922	Handler called when the default system mouse cursor image is changed.
923	*/
924	void onDefaultMouseCursorChanged(EventArgs& e);
925
926
927	/*!
928	\brief
929	Handler called when the mouse movement scaling factor is changed.
930	*/
931	void onMouseMoveScalingChanged(EventArgs& e);
932
933
934	/*************************************************************************
935	Implementation Data
936	*************************************************************************/
937	Renderer* d_renderer; //!< Holds the pointer to the Renderer object given to us in the constructor
938	ResourceProvider* d_resourceProvider; //!< Holds the pointer to the ResourceProvider object given to us by the renderer or the System constructor.
939	Font* d_defaultFont; //!< Holds a pointer to the default GUI font.
940	bool d_gui_redraw; //!< True if GUI should be re-drawn, false if render should re-use last times queue.
941
942	Window* d_wndWithMouse; //!< Pointer to the window that currently contains the mouse.
943	Window* d_activeSheet; //!< The active GUI sheet (root window)
944
945	uint d_sysKeys; //!< Current set of system keys pressed (in mk1 these were passed in, here we track these ourself).
946	bool d_lshift; //!< Tracks state of left shift.
947	bool d_rshift; //!< Tracks state of right shift.
948	bool d_lctrl; //!< Tracks state of left control.
949	bool d_rctrl; //!< Tracks state of right control.
950	bool d_lalt; //!< Tracks state of left alt.
951	bool d_ralt; //!< Tracks state of right alt.
952
953	double d_click_timeout; //!< Timeout value, in seconds, used to generate a single-click (button down then up)
954	double d_dblclick_timeout; //!< Timeout value, in seconds, used to generate multi-click events (botton down, then up, then down, and so on).
955	Size d_dblclick_size; //!< Size of area the mouse can move and still make multi-clicks.
956
957	MouseClickTrackerImpl* const d_clickTrackerPimpl; //!< Tracks mouse button click generation.
958
959	// mouse cursor related
960	const Image* d_defaultMouseCursor; //!< Image to be used as the default mouse cursor.
961
962	// scripting
963	ScriptModule* d_scriptModule; //!< Points to the scripting support module.
964	String d_termScriptName; //!< Name of the script to run upon system shutdown.
965
966	float d_mouseScalingFactor; //!< Scaling applied to mouse movement inputs.
967
968	XMLParser* d_xmlParser; //!< XMLParser object we use to process xml files.
969	bool d_ourXmlParser; //!< true when we created the xml parser.
970
971	Tooltip* d_defaultTooltip; //!< System default tooltip object.
972	bool d_weOwnTooltip; //!< true if System created the custom Tooltip.
973	};
974
975	} // End of CEGUI namespace section
976
977
978	#if defined(_MSC_VER)
979	# pragma warning(pop)
980	#endif
981
982	#endif // end of guard _CEGUISystem_h_

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