source: GTP/trunk/App/Demos/Geom/OgreStuff/include/CEGUI/CEGUISystem.h @ 1812

Revision 1812, 29.5 KB checked in by gumbau, 18 years ago (diff)
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[1812]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
46namespace CEGUI
47{
48//! Implementation struct that tracks and controls multiclick for mouse buttons.
49struct 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*/
60class CEGUIEXPORT System : public Singleton<System>, public EventSet
61{
62public:
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        \brief
658                Internal method to directly set the current modal target.
659
660        \note
661                This method is called internally by Window, and must be used by client code.
662                Doing so will most likely not have the expected results.
663        */
664        void setModalTarget(Window* target)             {d_modalTarget = target;}
665
666        /*!
667        \brief
668                Return a pointer to the Window that is currently the modal target.
669
670        \return
671                Pointer to the current modal target. NULL if there is no modal target.
672        */
673        Window* getModalTarget(void) const              {return d_modalTarget;}
674
675
676        /*************************************************************************
677                Input injection interface
678        *************************************************************************/
679        /*!
680        \brief
681                Method that injects a mouse movement event into the system
682
683        \param delta_x
684                amount the mouse moved on the x axis.
685
686        \param delta_y
687                amount the mouse moved on the y axis.
688
689        \return
690                - true if the input was processed by the gui system.
691                - false if the input was not processed by the gui system.
692        */
693        bool    injectMouseMove(float delta_x, float delta_y);
694
695
696        /*!
697        \brief
698                Method that injects that the mouse has left the application window
699
700        \return
701                - true if the generated mouse move event was handled.
702                - false if the generated mouse move event was not handled.
703        */
704        bool    injectMouseLeaves(void);
705
706
707        /*!
708        \brief
709                Method that injects a mouse button down event into the system.
710
711        \param button
712                One of the MouseButton values indicating which button was pressed.
713
714        \return
715                - true if the input was processed by the gui system.
716                - false if the input was not processed by the gui system.
717        */
718        bool    injectMouseButtonDown(MouseButton button);
719
720
721        /*!
722        \brief
723                Method that injects a mouse button up event into the system.
724
725        \param button
726                One of the MouseButton values indicating which button was released.
727
728        \return
729                - true if the input was processed by the gui system.
730                - false if the input was not processed by the gui system.
731        */
732        bool    injectMouseButtonUp(MouseButton button);
733
734
735        /*!
736        \brief
737                Method that injects a key down event into the system.
738
739        \param key_code
740                uint value indicating which key was pressed.
741
742        \return
743                - true if the input was processed by the gui system.
744                - false if the input was not processed by the gui system.
745        */
746        bool    injectKeyDown(uint key_code);
747
748
749        /*!
750        \brief
751                Method that injects a key up event into the system.
752
753        \param key_code
754                uint value indicating which key was released.
755
756        \return
757                - true if the input was processed by the gui system.
758                - false if the input was not processed by the gui system.
759        */
760        bool    injectKeyUp(uint key_code);
761
762
763        /*!
764        \brief
765                Method that injects a typed character event into the system.
766
767        \param code_point
768                Unicode code point of the character that was typed.
769
770        \return
771                - true if the input was processed by the gui system.
772                - false if the input was not processed by the gui system.
773        */
774        bool    injectChar(utf32 code_point);
775
776
777        /*!
778        \brief
779                Method that injects a mouse-wheel / scroll-wheel event into the system.
780
781        \param delta
782                float value representing the amount the wheel moved.
783
784        \return
785                - true if the input was processed by the gui system.
786                - false if the input was not processed by the gui system.
787        */
788        bool    injectMouseWheelChange(float delta);
789
790
791        /*!
792        \brief
793                Method that injects a new position for the mouse cursor.
794
795        \param x_pos
796                New absolute pixel position of the mouse cursor on the x axis.
797
798        \param y_pos
799                New absolute pixel position of the mouse cursoe in the y axis.
800
801        \return
802                - true if the generated mouse move event was handled.
803                - false if the generated mouse move event was not handled.
804        */
805        bool    injectMousePosition(float x_pos, float y_pos);
806
807
808        /*!
809        \brief
810                Method to inject time pulses into the system.
811
812        \param timeElapsed
813                float value indicating the amount of time passed, in seconds, since the last time this method was called.
814
815        \return
816                Currently, this method always returns true.
817        */
818        bool    injectTimePulse(float timeElapsed);
819
820
821private:
822    // unimplemented constructors / assignment
823    System(const System& obj);
824    System& operator=(const System& obj);
825
826        /*************************************************************************
827                Implementation Constants
828        *************************************************************************/
829        static const char       CEGUIConfigSchemaName[];                        //!< Filename of the XML schema used for validating Config files.
830
831
832        /*************************************************************************
833                Implementation Functions
834        *************************************************************************/
835        /*!
836        \brief
837                Given Point \a pt, return a pointer to the Window that should receive a mouse input if \a pt is the mouse location.
838
839        \param pt
840                Point object describing a screen location in pixels.
841
842        \return
843                Pointer to a Window object that should receive mouse input with the system in its current state and the mouse at location \a pt.
844        */
845        Window* getTargetWindow(const Point& pt) const;
846
847
848        /*!
849        \brief
850                Return a pointer to the Window that should receive keyboard input considering the current modal target.
851
852        \return
853                Pointer to a Window object that should receive the keyboard input.
854        */
855        Window* getKeyboardTargetWindow(void) const;
856
857
858        /*!
859        \brief
860                Return a pointer to the next window that is to receive the input if the given Window did not use it.
861
862        \param w
863                Pointer to the Window that just received the input.
864
865        \return
866                Pointer to the next window to receive the input.
867        */
868        Window* getNextTargetWindow(Window* w) const;
869
870
871        /*!
872        \brief
873                Translate a MouseButton value into the corresponding SystemKey value
874
875        \param btn
876                MouseButton value describing the value to be converted
877
878        \return
879                SystemKey value that corresponds to the same button as \a btn
880        */
881        SystemKey       mouseButtonToSyskey(MouseButton btn) const;
882
883
884        /*!
885        \brief
886                Translate a Key::Scan value into the corresponding SystemKey value.
887
888                This takes key direction into account, since we map two keys onto one value.
889
890        \param key
891                Key::Scan value describing the value to be converted
892
893        \param direction
894                true if the key is being pressed, false if the key is being released.
895
896        \return
897                SystemKey value that corresponds to the same key as \a key, or 0 if key was not a system key.
898        */
899        SystemKey       keyCodeToSyskey(Key::Scan key, bool direction);
900
901
902        /*!
903        \brief
904                Method to do the work of the constructor
905        */
906       void     constructor_impl(Renderer* renderer, ResourceProvider* resourceProvider, XMLParser* xmlParser, ScriptModule* scriptModule, const String& configFile, const String& logFile);
907
908
909        /*!
910        \brief
911                add events for the System object
912        */
913        void    addSystemEvents(void);
914
915
916        /*!
917        \brief
918                Handler method for display size change notifications
919        */
920        bool    handleDisplaySizeChange(const EventArgs& e);
921
922
923        /*************************************************************************
924                Handlers for System events
925        *************************************************************************/
926        /*!
927        \brief
928                Handler called when the main system GUI Sheet (or root window) is changed.
929
930                \a e is a WindowEventArgs with 'window' set to the old root window.
931        */
932        void    onGUISheetChanged(WindowEventArgs& e);
933
934
935        /*!
936        \brief
937                Handler called when the single-click timeout value is changed.
938        */
939        void    onSingleClickTimeoutChanged(EventArgs& e);
940
941
942        /*!
943        \brief
944                Handler called when the multi-click timeout value is changed.
945        */
946        void    onMultiClickTimeoutChanged(EventArgs& e);
947
948
949        /*!
950        \brief
951                Handler called when the size of the multi-click tolerance area is changed.
952        */
953        void    onMultiClickAreaSizeChanged(EventArgs& e);
954
955
956        /*!
957        \brief
958                Handler called when the default system font is changed.
959        */
960        void    onDefaultFontChanged(EventArgs& e);
961
962
963        /*!
964        \brief
965                Handler called when the default system mouse cursor image is changed.
966        */
967        void    onDefaultMouseCursorChanged(EventArgs& e);
968
969
970        /*!
971        \brief
972                Handler called when the mouse movement scaling factor is changed.
973        */
974        void    onMouseMoveScalingChanged(EventArgs& e);
975
976
977        /*************************************************************************
978                Implementation Data
979        *************************************************************************/
980        Renderer*       d_renderer;                     //!< Holds the pointer to the Renderer object given to us in the constructor
981    ResourceProvider* d_resourceProvider;      //!< Holds the pointer to the ResourceProvider object given to us by the renderer or the System constructor.
982        Font*           d_defaultFont;          //!< Holds a pointer to the default GUI font.
983        bool            d_gui_redraw;           //!< True if GUI should be re-drawn, false if render should re-use last times queue.
984
985        Window*         d_wndWithMouse;         //!< Pointer to the window that currently contains the mouse.
986        Window*         d_activeSheet;          //!< The active GUI sheet (root window)
987        Window*         d_modalTarget;          //!< Pointer to the window that is the current modal target. NULL is there is no modal target.
988
989        String d_strVersion;    //!< CEGUI version
990
991        uint            d_sysKeys;                      //!< Current set of system keys pressed (in mk1 these were passed in, here we track these ourself).
992        bool            d_lshift;                       //!< Tracks state of left shift.
993        bool            d_rshift;                       //!< Tracks state of right shift.
994        bool            d_lctrl;                        //!< Tracks state of left control.
995        bool            d_rctrl;                        //!< Tracks state of right control.
996        bool            d_lalt;                         //!< Tracks state of left alt.
997        bool            d_ralt;                         //!< Tracks state of right alt.
998
999        double          d_click_timeout;        //!< Timeout value, in seconds, used to generate a single-click (button down then up)
1000        double          d_dblclick_timeout;     //!< Timeout value, in seconds, used to generate multi-click events (botton down, then up, then down, and so on).
1001        Size            d_dblclick_size;        //!< Size of area the mouse can move and still make multi-clicks.
1002
1003        MouseClickTrackerImpl* const    d_clickTrackerPimpl;            //!< Tracks mouse button click generation.
1004
1005        // mouse cursor related
1006        const Image*    d_defaultMouseCursor;           //!< Image to be used as the default mouse cursor.
1007
1008        // scripting
1009        ScriptModule*   d_scriptModule;                 //!< Points to the scripting support module.
1010        String                  d_termScriptName;               //!< Name of the script to run upon system shutdown.
1011
1012        float   d_mouseScalingFactor;                   //!< Scaling applied to mouse movement inputs.
1013
1014    XMLParser*  d_xmlParser;        //!< XMLParser object we use to process xml files.
1015    bool        d_ourXmlParser;     //!< true when we created the xml parser.
1016
1017    Tooltip* d_defaultTooltip;      //!< System default tooltip object.
1018    bool     d_weOwnTooltip;        //!< true if System created the custom Tooltip.
1019};
1020
1021} // End of  CEGUI namespace section
1022
1023
1024#if defined(_MSC_VER)
1025#       pragma warning(pop)
1026#endif
1027
1028#endif  // end of guard _CEGUISystem_h_
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