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| -rw-r--r-- | svx/source/inc/frmselimpl.hxx | 285 |
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diff --git a/svx/source/inc/frmselimpl.hxx b/svx/source/inc/frmselimpl.hxx new file mode 100644 index 000000000..79df99cfb --- /dev/null +++ b/svx/source/inc/frmselimpl.hxx @@ -0,0 +1,285 @@ +/* -*- 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/framelink.hxx> +#include <svx/framelinkarray.hxx> +#include <editeng/borderline.hxx> + +namespace svx { + +namespace a11y { + class AccFrameSelector; + class AccFrameSelectorChild; +} + +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. + + tools::Long mnCtrlSize; /// Size of the control (always square). + tools::Long mnArrowSize; /// Size of an arrow image. + tools::Long mnLine1; /// Middle of left/top frame borders. + tools::Long mnLine2; /// Middle of inner frame borders. + tools::Long mnLine3; /// Middle of right/bottom frame borders. + tools::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. + + std::vector<rtl::Reference<a11y::AccFrameSelectorChild>> + 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(vcl::RenderContext& rRenderContext); + + /** 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: */ |