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- /************************************************************************
- filename: CEGUIProgressBar.h
- created: 13/4/2004
- author: Paul D Turner
-
- purpose: Interface to base class for ProgressBar widget
- *************************************************************************/
- /*************************************************************************
- Crazy Eddie's GUI System (http://www.cegui.org.uk)
- Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *************************************************************************/
- #ifndef _CEGUIProgressBar_h_
- #define _CEGUIProgressBar_h_
-
- #include "CEGUIBase.h"
- #include "CEGUIWindow.h"
- #include "elements/CEGUIProgressBarProperties.h"
-
-
- #if defined(_MSC_VER)
- # pragma warning(push)
- # pragma warning(disable : 4251)
- #endif
-
-
- // Start of CEGUI namespace section
- namespace CEGUI
- {
- /*!
- \brief
- Base class for progress bars.
- */
- class CEGUIEXPORT ProgressBar : public Window
- {
- public:
- static const String EventNamespace; //!< Namespace for global events
-
-
- /*************************************************************************
- Event name constants
- *************************************************************************/
- static const String EventProgressChanged; //!< Event fired whenever the progress value changes.
- static const String EventProgressDone; //!< Event fired when the progress bar reaches 100%.
-
-
- /************************************************************************
- Accessor Functions
- ************************************************************************/
- /*!
- \brief
- return the current progress value
- */
- float getProgress(void) const {return d_progress;}
-
- /*!
- \brief
- return the current step size
- */
- float getStep(void) const {return d_step;}
-
-
- /*************************************************************************
- Manipulator Functions
- *************************************************************************/
- /*!
- \brief
- set the current progress.
-
- \param progress
- The level of progress to set. If this value is >1.0f (100%) progress will be limited to 1.0f.
-
- \return
- Nothing.
- */
- void setProgress(float progress);
-
-
- /*!
- \brief
- set the size of the 'step' in percentage points (default is 0.01f or 1%).
-
- \param step
- Amount to increase the progress by each time the step method is called.
-
- \return
- Nothing.
- */
- void setStepSize(float step_val) {d_step = step_val;}
-
-
- /*!
- \brief
- cause the progress to step
-
- The amount the progress bar will step can be changed by calling the setStepSize method. The
- default step size is 0.01f which is equal to 1%.
-
- \return
- Nothing.
- */
- void step(void) {setProgress(d_progress + d_step);}
-
-
- /*!
- \brief
- Modify the progress level by a specified delta.
-
- \param delta
- amount to adjust the progress by. Whatever this value is, the progress of the bar will be kept
- within the range: 0.0f <= progress <= 1.0f.
-
- \return
- Nothing.
- */
- void adjustProgress(float delta) {setProgress(d_progress + delta);}
-
-
- /*************************************************************************
- Construction / Destruction
- *************************************************************************/
- /*!
- \brief
- Constructor for ProgressBar class
- */
- ProgressBar(const String& type, const String& name);
-
-
- /*!
- \brief
- Destructor for ProgressBar
- */
- virtual ~ProgressBar(void);
-
-
- protected:
- /*************************************************************************
- Implementation methods
- *************************************************************************/
- /*!
- \brief
- Add progress bar specific events to the window
- */
- void addProgressBarEvents(void);
-
-
- /*!
- \brief
- Return whether this window was inherited from the given class name at some point in the inheritance heirarchy.
-
- \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==(const utf8*)"ProgressBar") return true;
- return Window::testClassName_impl(class_name);
- }
-
-
- /*************************************************************************
- Event handlers for progress bar specific events
- *************************************************************************/
- /*!
- \brief
- event triggered when progress changes
- */
- virtual void onProgressChanged(WindowEventArgs& e);
-
-
- /*!
- \brief
- event triggered when progress reaches 100%
- */
- virtual void onProgressDone(WindowEventArgs& e);
-
-
- /*************************************************************************
- Implementation Data
- *************************************************************************/
- float d_progress; //!< current progress (from 0.0f to 1.0f)
- float d_step; //!< amount to 'step' progress by on a call to step()
-
-
- private:
- /*************************************************************************
- Static Properties for this class
- *************************************************************************/
- static ProgressBarProperties::CurrentProgress d_currentProgressProperty;
- static ProgressBarProperties::StepSize d_stepSizeProperty;
-
-
- /*************************************************************************
- Private methods
- *************************************************************************/
- void addProgressBarProperties(void);
- };
-
-
- } // End of CEGUI namespace section
-
- #if defined(_MSC_VER)
- # pragma warning(pop)
- #endif
-
- #endif // end of guard _CEGUIProgressBar_h_
-