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CEGUIListHeaderSegment.h - Hosted on DriveHQ Cloud IT Platform
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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\ogre\include\CEGUI\elements\CEGUIListHeaderSegment.h
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/*********************************************************************** filename: CEGUIListHeaderSegment.h created: 15/6/2004 author: Paul D Turner purpose: Interface to list header segment class. *************************************************************************/ /*************************************************************************** * Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. ***************************************************************************/ #ifndef _CEGUIListHeaderSegment_h_ #define _CEGUIListHeaderSegment_h_ #include "CEGUIBase.h" #include "CEGUIWindow.h" #include "elements/CEGUIListHeaderSegmentProperties.h" #if defined(_MSC_VER) # pragma warning(push) # pragma warning(disable : 4251) #endif // Start of CEGUI namespace section namespace CEGUI { /*! \brief Base class for list header segment window */ class CEGUIEXPORT ListHeaderSegment : public Window { public: static const String EventNamespace; //!< Namespace for global events static const String WidgetTypeName; //!< Window factory name /************************************************************************* Constants *************************************************************************/ // Event names static const String EventSegmentClicked; //!< Event fired when the segment is clicked. static const String EventSplitterDoubleClicked; //!< Event fired when the sizer/splitter is double-clicked. static const String EventSizingSettingChanged; //!< Event fired when the sizing setting changes. static const String EventSortDirectionChanged; //!< Event fired when the sort direction value changes. static const String EventMovableSettingChanged; //!< Event fired when the movable setting changes. static const String EventSegmentDragStart; //!< Event fired when the segment has started to be dragged. static const String EventSegmentDragStop; //!< Event fired when segment dragging has stopped (via mouse release). static const String EventSegmentDragPositionChanged; //!< Event fired when the segment drag position has changed. static const String EventSegmentSized; //!< Event fired when the segment is sized. static const String EventClickableSettingChanged; //!< Event fired when the clickable state of the segment changes. // Defaults static const float DefaultSizingArea; //!< Default size of the sizing area. static const float SegmentMoveThreshold; //!< Amount the mouse must be dragged before drag-moving is initiated. /************************************************************************* Enumerated types *************************************************************************/ /*! \brief Enumeration of possible values for sorting direction used with ListHeaderSegment classes */ enum SortDirection { None, //!< Items under this segment should not be sorted. Ascending, //!< Items under this segment should be sorted in ascending order. Descending //!< Items under this segment should be sorted in descending order. }; /************************************************************************* Accessor Methods *************************************************************************/ /*! \brief Return whether this segment can be sized. \return true if the segment can be horizontally sized, false if the segment can not be horizontally sized. */ bool isSizingEnabled(void) const {return d_sizingEnabled;} /*! \brief Return the current sort direction set for this segment. Note that this has no impact on the way the segment functions (aside from the possibility of varied rendering). This is intended as a 'helper setting' to classes that make use of the ListHeaderSegment objects. \return One of the SortDirection enumerated values indicating the current sort direction set for this segment. */ SortDirection getSortDirection(void) const {return d_sortDir;} /*! \brief Return whether drag moving is enabled for this segment. \return true if the segment can be drag moved, false if the segment can not be drag moved. */ bool isDragMovingEnabled(void) const {return d_movingEnabled;} /*! \brief Return the current drag move position offset (in pixels relative to the top-left corner of the segment). \return Point object describing the drag move offset position. */ const Point& getDragMoveOffset(void) const {return d_dragPosition;} /*! \brief Return whether the segment is clickable. \return true if the segment can be clicked, false of the segment can not be clicked (so no highlighting or events will happen). */ bool isClickable(void) const {return d_allowClicks;} /*! \brief Return whether the segment is currently in its hovering state. */ bool isSegmentHovering(void) const {return d_segmentHover;} /*! \brief Return whether the segment is currently in its pushed state. */ bool isSegmentPushed(void) const {return d_segmentPushed;} /*! \brief Return whether the splitter is currently in its hovering state. */ bool isSplitterHovering(void) const {return d_splitterHover;} /*! \brief Return whether the segment is currently being drag-moved. */ bool isBeingDragMoved(void) const {return d_dragMoving;} /*! \brief Return whether the segment is currently being drag-moved. */ bool isBeingDragSized(void) const {return d_dragSizing;} const Image* getSizingCursorImage() const; const Image* getMovingCursorImage() const; /************************************************************************* Manipulator Methods *************************************************************************/ /*! \brief Set whether this segment can be sized. \param setting true if the segment may be horizontally sized, false if the segment may not be horizontally sized. \return Nothing. */ void setSizingEnabled(bool setting); /*! \brief Set the current sort direction set for this segment. Note that this has no impact on the way the segment functions (aside from the possibility of varied rendering). This is intended as a 'helper setting' to classes that make use of the ListHeaderSegment objects. \param sort_dir One of the SortDirection enumerated values indicating the current sort direction set for this segment. \return Nothing */ void setSortDirection(SortDirection sort_dir); /*! \brief Set whether drag moving is allowed for this segment. \param setting true if the segment may be drag moved, false if the segment may not be drag moved. \return Nothing. */ void setDragMovingEnabled(bool setting); /*! \brief Set whether the segment is clickable. \param setting true if the segment may be clicked, false of the segment may not be clicked (so no highlighting or events will happen). \return Nothing. */ void setClickable(bool setting); void setSizingCursorImage(const Image* image); void setSizingCursorImage(const String& imageset, const String& image); void setMovingCursorImage(const Image* image); void setMovingCursorImage(const String& imageset, const String& image); /************************************************************************* Construction & Destruction *************************************************************************/ /*! \brief Constructor for list header segment base class */ ListHeaderSegment(const String& type, const String& name); /*! \brief Destructor for list header segment base class. */ virtual ~ListHeaderSegment(void); protected: /************************************************************************* Implementation Methods *************************************************************************/ /*! \brief Update state for drag sizing. \param local_mouse Mouse position as a pixel offset from the top-left corner of this window. \return Nothing. */ void doDragSizing(const Point& local_mouse); /*! \brief Update state for drag moving. \param local_mouse Mouse position as a pixel offset from the top-left corner of this window. \return Nothing. */ void doDragMoving(const Point& local_mouse); /*! \brief Initialise the required states to put the widget into drag-moving mode. */ void initDragMoving(void); /*! \brief Initialise the required states when we are hovering over the sizing area. */ void initSizingHoverState(void); /*! \brief Initialise the required states when we are hovering over the main segment area. */ void initSegmentHoverState(void); /*! \brief Return whether the required minimum movement threshold before initiating drag-moving has been exceeded. \param local_mouse Mouse position as a pixel offset from the top-left corner of this window. \return true if the threshold has been exceeded and drag-moving should be initiated, or false if the threshold has not been exceeded. */ bool isDragMoveThresholdExceeded(const Point& local_mouse); /*! \brief Return whether this window was inherited from the given class name at some point in the inheritance hierarchy. \param class_name The class name that is to be checked. \return true if this window was inherited from \a class_name. false if not. */ virtual bool testClassName_impl(const String& class_name) const { if (class_name=="ListHeaderSegment") return true; return Window::testClassName_impl(class_name); } /************************************************************************* New Event Handlers *************************************************************************/ /*! \brief Handler called when segment is clicked. */ virtual void onSegmentClicked(WindowEventArgs& e); /*! \brief Handler called when the sizer/splitter is double-clicked. */ virtual void onSplitterDoubleClicked(WindowEventArgs& e); /*! \brief Handler called when sizing setting changes. */ virtual void onSizingSettingChanged(WindowEventArgs& e); /*! \brief Handler called when the sort direction value changes. */ virtual void onSortDirectionChanged(WindowEventArgs& e); /*! \brief Handler called when the drag-movable setting is changed. */ virtual void onMovableSettingChanged(WindowEventArgs& e); /*! \brief Handler called when the user starts dragging the segment. */ virtual void onSegmentDragStart(WindowEventArgs& e); /*! \brief Handler called when the user stops dragging the segment (releases mouse button) */ virtual void onSegmentDragStop(WindowEventArgs& e); /*! \brief Handler called when the drag position changes. */ virtual void onSegmentDragPositionChanged(WindowEventArgs& e); /*! \brief Handler called when the segment is sized. */ virtual void onSegmentSized(WindowEventArgs& e); /*! \brief Handler called when the clickable setting for the segment changes */ virtual void onClickableSettingChanged(WindowEventArgs& e); /************************************************************************* Overridden Event Handlers *************************************************************************/ virtual void onMouseMove(MouseEventArgs& e); virtual void onMouseButtonDown(MouseEventArgs& e); virtual void onMouseButtonUp(MouseEventArgs& e); virtual void onMouseDoubleClicked(MouseEventArgs& e); virtual void onMouseLeaves(MouseEventArgs& e); virtual void onCaptureLost(WindowEventArgs& e); /************************************************************************* Implementation Data *************************************************************************/ const Image* d_sizingMouseCursor; //!< Image to use for mouse when sizing (typically set by derived class). const Image* d_movingMouseCursor; //!< Image to use for mouse when moving (typically set by derived class). float d_splitterSize; //!< pixel width of the sizing area. bool d_splitterHover; //!< True if the mouse is over the splitter bool d_dragSizing; //!< true when we are being sized. Point d_dragPoint; //!< point we are being dragged at when sizing or moving. SortDirection d_sortDir; //!< Direction for sorting (used for deciding what icon to display). bool d_segmentHover; //!< true when the mouse is within the segment area (and not in sizing area). bool d_segmentPushed; //!< true when the left mouse button has been pressed within the confines of the segment. bool d_sizingEnabled; //!< true when sizing is enabled for this segment. bool d_movingEnabled; //!< True when drag-moving is enabled for this segment; bool d_dragMoving; //!< true when segment is being drag moved. Point d_dragPosition; //!< position of dragged segment. bool d_allowClicks; //!< true if the segment can be clicked. private: /************************************************************************* Static Properties for this class *************************************************************************/ static ListHeaderSegmentProperties::Clickable d_clickableProperty; static ListHeaderSegmentProperties::Dragable d_dragableProperty; static ListHeaderSegmentProperties::Sizable d_sizableProperty; static ListHeaderSegmentProperties::SortDirection d_sortDirectionProperty; static ListHeaderSegmentProperties::SizingCursorImage d_sizingCursorProperty; static ListHeaderSegmentProperties::MovingCursorImage d_movingCursorProperty; /************************************************************************* Private methods *************************************************************************/ void addHeaderSegmentProperties(void); }; } // End of CEGUI namespace section #if defined(_MSC_VER) # pragma warning(pop) #endif #endif // end of guard _CEGUIListHeaderSegment_h_
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