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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_FRMSEL_HXX
#define INCLUDED_SVX_FRMSEL_HXX
#include <memory>
#include <vcl/customweld.hxx>
#include <editeng/borderline.hxx>
#include <svx/framebordertype.hxx>
#include <svx/svxdllapi.h>
#include <o3tl/typed_flags_set.hxx>
class Color;
enum class FrameSelFlags
{
NONE = 0x0000,
/** If set, the left frame border is enabled. */
Left = 0x0001,
/** If set, the right frame border is enabled. */
Right = 0x0002,
/** If set, the top frame border is enabled. */
Top = 0x0004,
/** If set, the bottom frame border is enabled. */
Bottom = 0x0008,
/** If set, the inner horizontal frame border is enabled. */
InnerHorizontal = 0x0010,
/** If set, the inner vertical frame border is enabled. */
InnerVertical = 0x0020,
/** If set, the top-left to bottom-right diagonal frame border is enabled. */
DiagonalTLBR = 0x0040,
/** If set, the bottom-left to top-right diagonal frame border is enabled. */
DiagonalBLTR = 0x0080,
/** If set, all four outer frame borders are enabled. */
Outer = Left | Right | Top | Bottom,
/** If set, all frame borders will support the don't care state. */
DontCare = 0x0100
};
namespace o3tl
{
template<> struct typed_flags<FrameSelFlags> : is_typed_flags<FrameSelFlags, 0x1ff> {};
}
namespace svx {
struct FrameSelectorImpl;
namespace a11y { class AccFrameSelectorChild; }
/** All possible states of a frame border. */
enum class FrameBorderState
{
Show, /// Frame border has a visible style.
Hide, /// Frame border is hidden (off).
DontCare /// Frame border is in don't care state (if enabled).
};
namespace a11y
{
class AccFrameSelector;
}
class SAL_WARN_UNUSED SVX_DLLPUBLIC FrameSelector final : public weld::CustomWidgetController
{
public:
FrameSelector();
virtual void SetDrawingArea(weld::DrawingArea* pDrawingArea) override;
virtual ~FrameSelector() override;
/** Initializes the control, enables/disables frame borders according to flags. */
void Initialize( FrameSelFlags nFlags );
// enabled frame borders
/** Returns true, if the specified frame border is enabled. */
bool IsBorderEnabled( FrameBorderType eBorder ) const;
/** Returns the number of enabled frame borders. */
sal_Int32 GetEnabledBorderCount() const;
/** Returns the border type from the passed index (counts only enabled frame borders). */
FrameBorderType GetEnabledBorderType( sal_Int32 nIndex ) const;
// frame border state and style
/** Returns true, if the control supports the "don't care" frame border state. */
bool SupportsDontCareState() const;
/** Returns the state (visible/hidden/don't care) of the specified frame border. */
FrameBorderState GetFrameBorderState( FrameBorderType eBorder ) const;
/** Returns the style of the specified frame border, if it is visible. */
const editeng::SvxBorderLine* GetFrameBorderStyle( FrameBorderType eBorder ) const;
/** Shows the specified frame border using the passed style, or hides it, if pStyle is 0. */
void ShowBorder( FrameBorderType eBorder, const editeng::SvxBorderLine* pStyle );
/** Sets the specified frame border to "don't care" state. */
void SetBorderDontCare( FrameBorderType eBorder );
/** Returns true, if any enabled frame border has a visible style (not "don't care"). */
bool IsAnyBorderVisible() const;
/** Hides all enabled frame borders. */
void HideAllBorders();
/** Returns true, if all visible frame borders have equal widths.
@descr Ignores hidden and "don't care" frame borders. On success,
returns the width in the passed parameter. */
bool GetVisibleWidth( tools::Long& rnWidth, SvxBorderLineStyle& rnStyle ) const;
/** Returns true, if all visible frame borders have equal color.
@descr Ignores hidden and "don't care" frame borders. On success,
returns the color in the passed parameter. */
bool GetVisibleColor( Color& rColor ) const;
// frame border selection
/** Returns the current selection handler. */
const Link<LinkParamNone*,void>& GetSelectHdl() const;
/** Sets the passed handler that is called if the selection of the control changes. */
void SetSelectHdl( const Link<LinkParamNone*,void>& rHdl );
/** Returns true, if the specified frame border is selected. */
bool IsBorderSelected( FrameBorderType eBorder ) const;
/** Selects or deselects the specified frame border. */
void SelectBorder( FrameBorderType eBorder );
/** Returns true, if any of the enabled frame borders is selected. */
bool IsAnyBorderSelected() const;
/** Selects or deselects all frame borders. */
void SelectAllBorders( bool bSelect );
/** Deselects all frame borders. */
void DeselectAllBorders() { SelectAllBorders( false ); }
/** Selects or deselects all visible frame borders (ignores hidden and "don't care" borders). */
void SelectAllVisibleBorders();
/** Sets the passed line widths to all selected frame borders (in twips). */
void SetStyleToSelection( tools::Long nWidth, SvxBorderLineStyle nStyle );
/** Sets the passed color to all selected frame borders. */
void SetColorToSelection( const Color& rColor );
SvxBorderLineStyle getCurrentStyleLineStyle() const;
// accessibility
css::uno::Reference<css::accessibility::XAccessible> getAccessibleParent() const { return GetDrawingArea()->get_accessible_parent(); }
virtual css::uno::Reference<css::accessibility::XAccessible> CreateAccessible() override;
a11yrelationset get_accessible_relation_set() const { return GetDrawingArea()->get_accessible_relation_set(); }
/** Returns the accessibility child object of the specified frame border (if enabled). */
rtl::Reference< a11y::AccFrameSelectorChild >
GetChildAccessible( FrameBorderType eBorder );
/** Returns the accessibility child object with specified index (counts enabled frame borders only). */
css::uno::Reference< css::accessibility::XAccessible >
GetChildAccessible( sal_Int32 nIndex );
/** Returns the accessibility child object at the specified position (relative to control). */
css::uno::Reference< css::accessibility::XAccessible >
GetChildAccessible( const Point& rPos );
/** Returns the bounding rectangle of the specified frame border (if enabled). */
tools::Rectangle GetClickBoundRect( FrameBorderType eBorder ) const;
private:
virtual void Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect ) override;
virtual bool MouseButtonDown( const MouseEvent& rMEvt ) override;
virtual bool KeyInput( const KeyEvent& rKEvt ) override;
virtual void GetFocus() override;
virtual void LoseFocus() override;
virtual void StyleUpdated() override;
virtual void Resize() override;
rtl::Reference<a11y::AccFrameSelector> mxAccess; /// Pointer to accessibility object of the control.
std::unique_ptr< FrameSelectorImpl > mxImpl;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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