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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef SVX_FRMSELIMPL_HXX
#define SVX_FRMSELIMPL_HXX
#include <vcl/virdev.hxx>
#include <vcl/image.hxx>
#include <svx/frmsel.hxx>
#include <svx/framelinkarray.hxx>
#include <editeng/borderline.hxx>
namespace svx {
namespace a11y { class AccFrameSelector; }
// ============================================================================
class FrameBorder
{
public:
explicit FrameBorder( FrameBorderType eType );
inline FrameBorderType GetType() const { return meType; }
inline bool IsEnabled() const { return mbEnabled; }
void Enable( FrameSelFlags nFlags );
inline FrameBorderState GetState() const { return meState; }
void SetState( FrameBorderState eState );
inline bool IsSelected() const { return mbSelected; }
inline void Select( bool bSelect ) { mbSelected = bSelect; }
const SvxBorderLine& GetCoreStyle() const { return maCoreStyle; }
void SetCoreStyle( const SvxBorderLine* pStyle );
inline void SetUIColor( const Color& rColor ) {maUIStyle.SetColor( rColor ); }
inline const frame::Style& GetUIStyle() const { return maUIStyle; }
inline void ClearFocusArea() { maFocusArea.Clear(); }
void AddFocusPolygon( const Polygon& rFocus );
void MergeFocusToPolyPolygon( PolyPolygon& rPPoly ) const;
inline void ClearClickArea() { maClickArea.Clear(); }
void AddClickRect( const Rectangle& rRect );
bool ContainsClickPoint( const Point& rPos ) const;
void MergeClickAreaToPolyPolygon( PolyPolygon& rPPoly ) const;
Rectangle GetClickBoundRect() const;
void SetKeyboardNeighbors(
FrameBorderType eLeft, FrameBorderType eRight,
FrameBorderType eTop, FrameBorderType eBottom );
FrameBorderType GetKeyboardNeighbor( USHORT nKeyCode ) const;
private:
const FrameBorderType meType; /// Frame border type (position in control).
FrameBorderState meState; /// Frame border state (on/off/don't care).
SvxBorderLine maCoreStyle; /// Core style from application.
frame::Style maUIStyle; /// Internal style to draw lines.
FrameBorderType meKeyLeft; /// Left neighbor for keyboard control.
FrameBorderType meKeyRight; /// Right neighbor for keyboard control.
FrameBorderType meKeyTop; /// Upper neighbor for keyboard control.
FrameBorderType meKeyBottom; /// Lower neighbor for keyboard control.
PolyPolygon maFocusArea; /// Focus drawing areas.
PolyPolygon maClickArea; /// Mouse click areas.
bool mbEnabled; /// true = Border enabled in control.
bool mbSelected; /// true = Border selected in control.
};
// ============================================================================
typedef std::vector< FrameBorder* > FrameBorderPtrVec;
struct FrameSelectorImpl : public Resource
{
typedef ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible > XAccessibleRef;
typedef std::vector< a11y::AccFrameSelector* > AccessibleImplVec;
typedef std::vector< XAccessibleRef > XAccessibleRefVec;
FrameSelector& mrFrameSel; /// The control itself.
VirtualDevice maVirDev; /// For all buffered drawing operations.
ImageList maILArrows; /// Arrows in current system colors.
Color maBackCol; /// Background color.
Color maArrowCol; /// Selection arrow color.
Color maMarkCol; /// Selection marker color.
Color maHCLineCol; /// High contrast line color.
Point maVirDevPos; /// Position of virtual device in the control.
Point maMousePos; /// Last mouse pointer position.
FrameBorder maLeft; /// All data of left frame border.
FrameBorder maRight; /// All data of right frame border.
FrameBorder maTop; /// All data of top frame border.
FrameBorder maBottom; /// All data of bottom frame border.
FrameBorder maHor; /// All data of inner horizontal frame border.
FrameBorder maVer; /// All data of inner vertical frame border.
FrameBorder maTLBR; /// All data of top-left to bottom-right frame border.
FrameBorder maBLTR; /// All data of bottom-left to top-right frame border.
SvxBorderLine maCurrStyle; /// Current style and color for new borders.
frame::Array maArray; /// Frame link array to draw an array of frame borders.
FrameSelFlags mnFlags; /// Flags for enabled frame borders.
FrameBorderPtrVec maAllBorders; /// Pointers to all frame borders.
FrameBorderPtrVec maEnabBorders; /// Pointers to enables frame borders.
Link maSelectHdl; /// Selection handler.
long mnCtrlSize; /// Size of the control (always square).
long mnArrowSize; /// Size of an arrow image.
long mnLine1; /// Middle of left/top frame borders.
long mnLine2; /// Middle of inner frame borders.
long mnLine3; /// Middle of right/bottom frame borders.
long mnFocusOffs; /// Offset from frame border middle to draw focus.
bool mbHor; /// true = Inner horizontal frame border enabled.
bool mbVer; /// true = Inner vertical frame border enabled.
bool mbTLBR; /// true = Top-left to bottom-right frame border enabled.
bool mbBLTR; /// true = Bottom-left to top-right frame border enabled.
bool mbFullRepaint; /// Used for repainting (false = only copy virtual device).
bool mbAutoSelect; /// true = Auto select a frame border, if focus reaches control.
bool mbClicked; /// true = The control has been clicked at least one time.
bool mbHCMode; /// true = High contrast mode.
a11y::AccFrameSelector* mpAccess; /// Pointer to accessibility object of the control.
XAccessibleRef mxAccess; /// Reference to accessibility object of the control.
AccessibleImplVec maChildVec; /// Pointers to accessibility objects for frame borders.
XAccessibleRefVec mxChildVec; /// References to accessibility objects for frame borders.
explicit FrameSelectorImpl( FrameSelector& rFrameSel );
~FrameSelectorImpl();
// initialization ---------------------------------------------------------
/** Initializes the control, enables/disables frame borders according to flags. */
void Initialize( FrameSelFlags nFlags );
/** Fills all color members from current style settings. */
void InitColors();
/** Creates the image list with selection arrows regarding current style settings. */
void InitArrowImageList();
/** Initializes global coordinates. */
void InitGlobalGeometry();
/** Initializes coordinates of all frame borders. */
void InitBorderGeometry();
/** Initializes click areas of all enabled frame borders. */
void InitClickAreas();
/** Draws the entire control into the internal virtual device. */
void InitVirtualDevice();
// frame border access ----------------------------------------------------
/** Returns the object representing the specified frame border. */
const FrameBorder& GetBorder( FrameBorderType eBorder ) const;
/** Returns the object representing the specified frame border (write access). */
FrameBorder& GetBorderAccess( FrameBorderType eBorder );
// drawing ----------------------------------------------------------------
/** Draws the background of the entire control (the gray areas between borders). */
void DrawBackground();
/** Draws selection arrows for the specified frame border. */
void DrawArrows( const FrameBorder& rBorder );
/** Draws arrows in current selection state for all enabled frame borders. */
void DrawAllArrows();
/** Returns the color that has to be used to draw a frame border. */
Color GetDrawLineColor( const Color& rColor ) const;
/** Draws all frame borders. */
void DrawAllFrameBorders();
/** Draws all contents of the control. */
void DrawVirtualDevice();
/** Copies contents of the virtual device to the control. */
void CopyVirDevToControl();
/** Draws tracking rectangles for all selected frame borders. */
void DrawAllTrackingRects();
/** Converts a mouse position to the virtual device position. */
Point GetDevPosFromMousePos( const Point& rMousePos ) const;
/** Invalidates the control.
@param bFullRepaint true = Full repaint; false = update selection only. */
void DoInvalidate( bool bFullRepaint );
// frame border state and style -------------------------------------------
/** Sets the state of the specified frame border. */
void SetBorderState( FrameBorder& rBorder, FrameBorderState eState );
/** Sets the core style of the specified frame border, or hides the frame border, if pStyle is 0. */
void SetBorderCoreStyle( FrameBorder& rBorder, const SvxBorderLine* pStyle );
/** Sets the color of the specified frame border. */
void SetBorderColor( FrameBorder& rBorder, const Color& rColor );
/** Changes the state of a frame border after a control event (mouse/keyboard). */
void ToggleBorderState( FrameBorder& rBorder );
// frame border selection -------------------------------------------------
/** Selects a frame border and schedules redraw. */
void SelectBorder( FrameBorder& rBorder, bool bSelect );
/** Grabs focus without auto-selection of a frame border, if no border selected. */
void SilentGrabFocus();
/** Returns true, if all selected frame borders are equal (or if nothing is selected). */
bool SelectedBordersEqual() const;
};
// ============================================================================
/** Dummy predicate for frame border iterators to use all borders in a container. */
struct FrameBorderDummy_Pred
{
inline bool operator()( const FrameBorder* ) const { return true; }
};
/** Predicate for frame border iterators to use only visible borders in a container. */
struct FrameBorderVisible_Pred
{
inline bool operator()( const FrameBorder* pBorder ) const { return pBorder->GetState() == FRAMESTATE_SHOW; }
};
/** Predicate for frame border iterators to use only selected borders in a container. */
struct FrameBorderSelected_Pred
{
inline bool operator()( const FrameBorder* pBorder ) const { return pBorder->IsSelected(); }
};
/** Template class for all types of frame border iterators. */
template< typename Cont, typename Iter, typename Pred >
class FrameBorderIterBase
{
public:
typedef Cont container_type;
typedef Iter iterator_type;
typedef Pred predicate_type;
typedef typename Cont::value_type value_type;
typedef FrameBorderIterBase< Cont, Iter, Pred > this_type;
explicit FrameBorderIterBase( container_type& rCont );
inline bool Is() const { return maIt != maEnd; }
this_type& operator++();
inline value_type operator*() const { return *maIt; }
private:
iterator_type maIt;
iterator_type maEnd;
predicate_type maPred;
};
/** Iterator for constant svx::FrameBorder containers, iterates over all borders. */
typedef FrameBorderIterBase< const FrameBorderPtrVec, FrameBorderPtrVec::const_iterator, FrameBorderDummy_Pred >
FrameBorderCIter;
/** Iterator for mutable svx::FrameBorder containers, iterates over all borders. */
typedef FrameBorderIterBase< FrameBorderPtrVec, FrameBorderPtrVec::iterator, FrameBorderDummy_Pred >
FrameBorderIter;
/** Iterator for constant svx::FrameBorder containers, iterates over visible borders. */
typedef FrameBorderIterBase< const FrameBorderPtrVec, FrameBorderPtrVec::const_iterator, FrameBorderVisible_Pred >
VisFrameBorderCIter;
/** Iterator for mutable svx::FrameBorder containers, iterates over visible borders. */
typedef FrameBorderIterBase< FrameBorderPtrVec, FrameBorderPtrVec::iterator, FrameBorderVisible_Pred >
VisFrameBorderIter;
/** Iterator for constant svx::FrameBorder containers, iterates over selected borders. */
typedef FrameBorderIterBase< const FrameBorderPtrVec, FrameBorderPtrVec::const_iterator, FrameBorderSelected_Pred >
SelFrameBorderCIter;
/** Iterator for mutable svx::FrameBorder containers, iterates over selected borders. */
typedef FrameBorderIterBase< FrameBorderPtrVec, FrameBorderPtrVec::iterator, FrameBorderSelected_Pred >
SelFrameBorderIter;
// ============================================================================
} // namespace svx
#endif
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