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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#ifndef INCLUDED_SVX_SOURCE_INC_FRMSELIMPL_HXX
#define INCLUDED_SVX_SOURCE_INC_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);
static double GetDefaultPatternScale() { return 0.05; }
FrameBorderType GetType() const
{
return meType;
}
bool IsEnabled() const
{
return mbEnabled;
}
void Enable(FrameSelFlags nFlags);
FrameBorderState GetState() const
{
return meState;
}
void SetState(FrameBorderState eState);
bool IsSelected() const { return mbSelected; }
void Select( bool bSelect ) { mbSelected = bSelect; }
const editeng::SvxBorderLine& GetCoreStyle() const { return maCoreStyle; }
void SetCoreStyle( const editeng::SvxBorderLine* pStyle );
void SetUIColorPrim( const Color& rColor ) {maUIStyle.SetColorPrim( rColor ); }
void SetUIColorSecn( const Color& rColor ) {maUIStyle.SetColorSecn( rColor ); }
const frame::Style& GetUIStyle() const { return maUIStyle; }
void ClearFocusArea() { maFocusArea.Clear(); }
void AddFocusPolygon( const tools::Polygon& rFocus );
void MergeFocusToPolyPolygon( tools::PolyPolygon& rPPoly ) const;
void ClearClickArea() { maClickArea.Clear(); }
void AddClickRect( const tools::Rectangle& rRect );
bool ContainsClickPoint( const Point& rPos ) const;
tools::Rectangle GetClickBoundRect() const;
void SetKeyboardNeighbors(FrameBorderType eLeft, FrameBorderType eRight,
FrameBorderType eTop, FrameBorderType eBottom);
FrameBorderType GetKeyboardNeighbor( sal_uInt16 nKeyCode ) const;
private:
const FrameBorderType meType; /// Frame border type (position in control).
FrameBorderState meState; /// Frame border state (on/off/don't care).
editeng::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.
tools::PolyPolygon maFocusArea; /// Focus drawing areas.
tools::PolyPolygon maClickArea; /// Mouse click areas.
bool mbEnabled : 1; /// true = Border enabled in control.
bool mbSelected : 1; /// true = Border selected in control.
};
typedef std::vector< FrameBorder* > FrameBorderPtrVec;
struct FrameSelectorImpl
{
FrameSelector& mrFrameSel; /// The control itself.
ScopedVclPtr<VirtualDevice> mpVirDev; /// For all buffered drawing operations.
std::vector<Image> maArrows; /// 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.
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.
editeng::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<LinkParamNone*,void> 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 mbHCMode; /// true = High contrast mode.
rtl::Reference<a11y::AccFrameSelector> mxAccess; /// Pointer to accessibility object of the control.
std::vector<rtl::Reference<a11y::AccFrameSelector>>
maChildVec; /// Pointers 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();
/** Draws the entire control into the internal virtual device. */
void InitVirtualDevice();
/** call this to recalculate based on parent size */
void sizeChanged();
// 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 );
/** 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(vcl::RenderContext& rRenderContext);
/** 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 editeng::SvxBorderLine* pStyle );
/** 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
{
bool operator()( const FrameBorder* ) const { return true; }
};
/** Predicate for frame border iterators to use only visible borders in a container. */
struct FrameBorderVisible_Pred
{
bool operator()( const FrameBorder* pBorder ) const { return pBorder->GetState() == FrameBorderState::Show; }
};
/** Predicate for frame border iterators to use only selected borders in a container. */
struct FrameBorderSelected_Pred
{
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 typename Cont::value_type value_type;
typedef FrameBorderIterBase<Cont, Iter, Pred> this_type;
explicit FrameBorderIterBase( container_type& rCont );
bool Is() const { return maIt != maEnd; }
this_type& operator++();
value_type operator*() const { return *maIt; }
private:
iterator_type maIt;
iterator_type maEnd;
Pred 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;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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