blob: f2aca642729d74209b2e016b9997c47aeba79e35 [file] [log] [blame]
/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef SDEXT_PRESENTER_PRESENTER_SCROLL_BAR_HXX
#define SDEXT_PRESENTER_PRESENTER_SCROLL_BAR_HXX
#include "PresenterBitmapContainer.hxx"
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/drawing/XPresenterHelper.hpp>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase4.hxx>
#include <boost/function.hpp>
#include <boost/noncopyable.hpp>
#include <boost/shared_ptr.hpp>
namespace css = ::com::sun::star;
namespace sdext { namespace presenter {
class PresenterCanvasHelper;
class PresenterPaintManager;
namespace {
typedef ::cppu::WeakComponentImplHelper4 <
css::awt::XWindowListener,
css::awt::XPaintListener,
css::awt::XMouseListener,
css::awt::XMouseMotionListener
> PresenterScrollBarInterfaceBase;
}
/** Base class of horizontal and vertical scroll bars.
*/
class PresenterScrollBar
: private ::boost::noncopyable,
private ::cppu::BaseMutex,
public PresenterScrollBarInterfaceBase
{
public:
typedef ::boost::function<void(double)> ThumbMotionListener;
virtual ~PresenterScrollBar (void);
virtual void SAL_CALL disposing (void);
void SetVisible (const bool bIsVisible);
/** Set the bounding box of the scroll bar.
*/
void SetPosSize (const css::geometry::RealRectangle2D& rBox);
/** Set the position of the movable thumb.
@param nPosition
A value between 0 and the last value given to SetTotalSize()
minus the last value given to SetThumbSize().
*/
void SetThumbPosition (
double nPosition,
const bool bAsynchronousRepaint);
double GetThumbPosition (void) const;
/** Set the upper border of the slider range.
*/
void SetTotalSize (const double nTotalSize);
double GetTotalSize (void) const;
/** Set the size of the movable thumb.
@param nThumbSize
A value not larger than the last value given to SetTotalSize().
*/
void SetThumbSize (const double nThumbSize);
double GetThumbSize (void) const;
void SetLineHeight (const double nLineHeight);
double GetLineHeight (void) const;
/** Set the canvas that is used for painting the scroll bar.
*/
void SetCanvas (const css::uno::Reference<css::rendering::XCanvas>& rxCanvas);
void SetBackground (const SharedBitmapDescriptor& rpBackgroundBitmap);
/** Call this after changing total size or thumb position or size to
move the thumb to a valid position.
*/
void CheckValues (void);
/** On some occasions it is necessary to trigger the painting of a
scrollbar from the outside.
*/
virtual void Paint (
const css::awt::Rectangle& rUpdateBox,
bool bNoClip = false);
virtual sal_Int32 GetSize (void) const = 0;
// XWindowListener
virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent)
throw (css::uno::RuntimeException);
virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent)
throw (css::uno::RuntimeException);
virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent)
throw (css::uno::RuntimeException);
virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent)
throw (css::uno::RuntimeException);
// XPaintListener
virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent)
throw (css::uno::RuntimeException);
// XMouseListener
virtual void SAL_CALL mousePressed (const css::awt::MouseEvent& rEvent)
throw(css::uno::RuntimeException);
virtual void SAL_CALL mouseReleased (const css::awt::MouseEvent& rEvent)
throw(css::uno::RuntimeException);
virtual void SAL_CALL mouseEntered (const css::awt::MouseEvent& rEvent)
throw(css::uno::RuntimeException);
virtual void SAL_CALL mouseExited (const css::awt::MouseEvent& rEvent)
throw(css::uno::RuntimeException);
// XMouseMotionListener
virtual void SAL_CALL mouseMoved (const css::awt::MouseEvent& rEvent)
throw (css::uno::RuntimeException);
virtual void SAL_CALL mouseDragged (const css::awt::MouseEvent& rEvent)
throw (css::uno::RuntimeException);
// lang::XEventListener
virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent)
throw (css::uno::RuntimeException);
enum Area { Total, Pager, Thumb, PagerUp, PagerDown, PrevButton, NextButton, None,
__AreaCount__ = None };
protected:
css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
css::uno::Reference<css::awt::XWindow> mxParentWindow;
css::uno::Reference<css::awt::XWindow> mxWindow;
css::uno::Reference<css::rendering::XCanvas> mxCanvas;
css::uno::Reference<css::drawing::XPresenterHelper> mxPresenterHelper;
::boost::shared_ptr<PresenterPaintManager> mpPaintManager;
double mnThumbPosition;
double mnTotalSize;
double mnThumbSize;
double mnLineHeight;
css::geometry::RealPoint2D maDragAnchor;
::boost::function<void(double)> maThumbMotionListener;
Area meButtonDownArea;
Area meMouseMoveArea;
css::geometry::RealRectangle2D maBox[__AreaCount__];
bool mbIsNotificationActive;
static boost::weak_ptr<PresenterBitmapContainer> mpSharedBitmaps;
boost::shared_ptr<PresenterBitmapContainer> mpBitmaps;
SharedBitmapDescriptor mpPrevButtonDescriptor;
SharedBitmapDescriptor mpNextButtonDescriptor;
SharedBitmapDescriptor mpPagerStartDescriptor;
SharedBitmapDescriptor mpPagerCenterDescriptor;
SharedBitmapDescriptor mpPagerEndDescriptor;
SharedBitmapDescriptor mpThumbStartDescriptor;
SharedBitmapDescriptor mpThumbCenterDescriptor;
SharedBitmapDescriptor mpThumbEndDescriptor;
bool maEnabledState[__AreaCount__];
virtual css::geometry::RealRectangle2D GetRectangle (const Area eArea) const;
virtual double GetDragDistance (const sal_Int32 nX, const sal_Int32 nY) const = 0;
virtual void UpdateDragAnchor (const double nDragDistance) = 0;
virtual css::geometry::RealPoint2D GetPoint (const double nMajor, const double nMinor) const = 0;
virtual double GetMajor (const double nX, const double nY) const = 0;
virtual double GetMinor (const double nX, const double nY) const = 0;
virtual void UpdateBorders (void) = 0;
virtual void UpdateBitmaps (void) = 0;
virtual void PaintComposite(
const css::awt::Rectangle& rRepaintBox,
const Area eArea,
const SharedBitmapDescriptor& rpStartBitmaps,
const SharedBitmapDescriptor& rpCenterBitmaps,
const SharedBitmapDescriptor& rpEndBitmaps) = 0;
PresenterScrollBar (
const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
const ::boost::shared_ptr<PresenterPaintManager>& rpPaintManager,
const ::boost::function<void(double)>& rThumbMotionListener);
void Repaint (
const css::geometry::RealRectangle2D aBox,
const bool bAsynchronous);
void PaintBackground (
const css::awt::Rectangle& rRepaintBox);
void PaintBitmap(
const css::awt::Rectangle& rRepaintBox,
const Area eArea,
const SharedBitmapDescriptor& rpBitmaps);
void NotifyThumbPositionChange (void);
void UpdateWidthOrHeight (sal_Int32& rSize,
const SharedBitmapDescriptor& rpDescriptor);
css::uno::Reference<css::rendering::XBitmap> GetBitmap (
const Area eArea,
const SharedBitmapDescriptor& rpBitmaps) const;
PresenterBitmapContainer::BitmapDescriptor::Mode GetBitmapMode (
const Area eArea) const;
bool IsDisabled (const Area eArea) const;
double ValidateThumbPosition (double nPosition);
void SetThumbPosition (
double nPosition,
const bool bAsynchronousRepaint,
const bool bValidate,
const bool bNotify);
private:
class MousePressRepeater;
::boost::shared_ptr<MousePressRepeater> mpMousePressRepeater;
SharedBitmapDescriptor mpBackgroundBitmap;
::boost::scoped_ptr<PresenterCanvasHelper> mpCanvasHelper;
Area GetArea (const double nX, const double nY) const;
};
/** A vertical scroll bar.
*/
class PresenterVerticalScrollBar : public PresenterScrollBar
{
public:
PresenterVerticalScrollBar (
const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
const ::boost::shared_ptr<PresenterPaintManager>& rpPaintManager,
const ::boost::function<void(double)>& rThumbMotionListener);
virtual ~PresenterVerticalScrollBar (void);
virtual sal_Int32 GetSize (void) const;
protected:
virtual double GetDragDistance (const sal_Int32 nX, const sal_Int32 nY) const;
virtual void UpdateDragAnchor (const double nDragDistance);
virtual css::geometry::RealPoint2D GetPoint (const double nMajor, const double nMinor) const;
virtual double GetMinor (const double nX, const double nY) const;
virtual double GetMajor (const double nX, const double nY) const;
virtual void UpdateBorders (void);
virtual void UpdateBitmaps (void);
virtual void PaintComposite(
const css::awt::Rectangle& rRepaintBox,
const Area eArea,
const SharedBitmapDescriptor& rpStartBitmaps,
const SharedBitmapDescriptor& rpCenterBitmaps,
const SharedBitmapDescriptor& rpEndBitmaps);
private:
sal_Int32 mnScrollBarWidth;
};
/** A horizontal scroll bar.
*/
class PresenterHorizontalScrollBar : public PresenterScrollBar
{
public:
PresenterHorizontalScrollBar (
const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
const css::uno::Reference<css::awt::XWindow>& rxParentWindow,
const ::boost::shared_ptr<PresenterPaintManager>& rpPaintManager,
const ::boost::function<void(double)>& rThumbMotionListener);
virtual ~PresenterHorizontalScrollBar (void);
virtual sal_Int32 GetSize (void) const;
protected:
virtual double GetDragDistance (const sal_Int32 nX, const sal_Int32 nY) const;
virtual void UpdateDragAnchor (const double nDragDistance);
virtual css::geometry::RealPoint2D GetPoint (const double nMajor, const double nMinor) const;
virtual double GetMinor (const double nX, const double nY) const;
virtual double GetMajor (const double nX, const double nY) const;
virtual void UpdateBorders (void);
virtual void UpdateBitmaps (void);
virtual void PaintComposite(
const css::awt::Rectangle& rRepaintBox,
const Area eArea,
const SharedBitmapDescriptor& rpStartBitmaps,
const SharedBitmapDescriptor& rpCenterBitmaps,
const SharedBitmapDescriptor& rpEndBitmaps);
private:
sal_Int32 mnScrollBarHeight;
};
} } // end of namespace ::sdext::presenter
#endif