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| -rw-r--r-- | svx/source/inc/fmcontrolbordermanager.hxx | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/svx/source/inc/fmcontrolbordermanager.hxx b/svx/source/inc/fmcontrolbordermanager.hxx new file mode 100644 index 000000000..620d8b98d --- /dev/null +++ b/svx/source/inc/fmcontrolbordermanager.hxx @@ -0,0 +1,230 @@ +/* -*- 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_FMCONTROLBORDERMANAGER_HXX +#define INCLUDED_SVX_SOURCE_INC_FMCONTROLBORDERMANAGER_HXX + +#include <com/sun/star/awt/VisualEffect.hpp> +#include <com/sun/star/awt/FontUnderline.hpp> +#include <com/sun/star/awt/XControl.hpp> +#include <com/sun/star/awt/XVclWindowPeer.hpp> +#include <o3tl/typed_flags_set.hxx> +#include <tools/color.hxx> + +#include <set> + +namespace com::sun::star::form::validation { class XValidatableFormComponent; } + +enum class ControlStatus { + NONE = 0x00, + Focused = 0x01, + MouseHover = 0x02, + Invalid = 0x04 +}; +namespace o3tl { + template<> struct typed_flags<ControlStatus> : is_typed_flags<ControlStatus, 0x07> {}; +} + + +namespace svxform +{ + + + struct BorderDescriptor + { + sal_Int16 nBorderType; + Color nBorderColor; + + BorderDescriptor() + :nBorderType( css::awt::VisualEffect::FLAT ) + { + } + }; + + struct UnderlineDescriptor + { + sal_Int16 nUnderlineType; + Color nUnderlineColor; + + UnderlineDescriptor() + :nUnderlineType( css::awt::FontUnderline::NONE ) + { + } + + UnderlineDescriptor( sal_Int16 _nUnderlineType, Color _nUnderlineColor ) + :nUnderlineType( _nUnderlineType ) + ,nUnderlineColor( _nUnderlineColor ) + { + } + }; + + struct ControlData : public BorderDescriptor, UnderlineDescriptor + { + css::uno::Reference< css::awt::XControl > xControl; + OUString sOriginalHelpText; + + ControlData() : BorderDescriptor() { } + ControlData( const css::uno::Reference< css::awt::XControl >& _rxControl ) + :xControl( _rxControl ) + { + } + }; + + + //= ControlBorderManager + + /** manages the dynamic border color for form controls + + Used by the <type>FormController</type>, this class manages the dynamic changes in the + border color of form controls. For this a set of events have to be forwarded to the manager + instance, which then will switch the border color depending on the mouse and focus status + of the controls. + */ + class ControlBorderManager + { + private: + struct ControlDataCompare + { + bool operator()( const ControlData& _rLHS, const ControlData& _rRHS ) const + { + return _rLHS.xControl.get() < _rRHS.xControl.get(); + } + }; + + typedef ::std::set< ControlData, ControlDataCompare > ControlBag; + typedef ::std::set< css::uno::Reference< css::awt::XVclWindowPeer > > PeerBag; + + PeerBag m_aColorableControls; + PeerBag m_aNonColorableControls; + + ControlData m_aFocusControl; + ControlData m_aMouseHoverControl; + ControlBag m_aInvalidControls; + + + // attributes + Color m_nFocusColor; + Color m_nMouseHoveColor; + Color m_nInvalidColor; + bool m_bDynamicBorderColors; + + public: + ControlBorderManager(); + ~ControlBorderManager(); + + public: + void focusGained( const css::uno::Reference< css::uno::XInterface >& _rxControl ); + void focusLost( const css::uno::Reference< css::uno::XInterface >& _rxControl ); + void mouseEntered( const css::uno::Reference< css::uno::XInterface >& _rxControl ); + void mouseExited( const css::uno::Reference< css::uno::XInterface >& _rxControl ); + + void validityChanged( + const css::uno::Reference< css::awt::XControl >& _rxControl, + const css::uno::Reference< css::form::validation::XValidatableFormComponent >& _rxValidatable + ); + + /// enables dynamic border color for the controls + void enableDynamicBorderColor( ); + /// disables dynamic border color for the controls + void disableDynamicBorderColor( ); + + /** sets a color to be used for a given status + @param _nStatus + the status which the color should be applied for. Must not be ControlStatus::NONE + @param _nColor + the color to apply for the given status + */ + void setStatusColor( ControlStatus _nStatus, Color _nColor ); + + /** restores all colors of all controls where we possibly changed them + */ + void restoreAll(); + + private: + /** called when a control got one of the two possible statuses (focused, and hovered with the mouse) + @param _rxControl + the control which gained the status + @param _rControlData + the control's status data, as a reference to our respective member + */ + void controlStatusGained( + const css::uno::Reference< css::uno::XInterface >& _rxControl, + ControlData& _rControlData + ); + + /** called when a control lost one of the two possible statuses (focused, and hovered with the mouse) + @param _rxControl + the control which lost the status + @param _rControlData + the control's status data, as a reference to our respective member + */ + void controlStatusLost( const css::uno::Reference< css::uno::XInterface >& _rxControl, ControlData& _rControlData ); + + /** determines whether the border of a given peer can be colored + @param _rxPeer + the peer to examine. Must not be <NULL/> + */ + bool canColorBorder( const css::uno::Reference< css::awt::XVclWindowPeer >& _rxPeer ); + + /** determines the status of the given control + */ + ControlStatus getControlStatus( const css::uno::Reference< css::awt::XControl >& _rxControl ); + + /** retrieves the color associated with a given ControlStatus + @param _eStatus + the status of the control. Must not be <member>ControlStatus::none</member> + */ + Color getControlColorByStatus( ControlStatus _eStatus ) const; + + /** sets the border color for a given control, depending on its status + @param _rxControl + the control to set the border color for. Must not be <NULL/> + @param _rxPeer + the peer of the control, to be passed herein for optimization the caller usually needs it, anyway). + Must not be <NULL/> + @param _rFallback + the color/type to use when the control has the status ControlStatus::NONE + */ + void updateBorderStyle( + const css::uno::Reference< css::awt::XControl >& _rxControl, + const css::uno::Reference< css::awt::XVclWindowPeer >& _rxPeer, + const BorderDescriptor& _rFallback + ); + + /** determines the to-be-remembered original border color and type for a control + + The method also takes into account that the control may currently have an overwritten + border style + + @param _rxControl + the control to examine. Must not be <NULL/>, and have a non-<NULL/> peer + */ + void determineOriginalBorderStyle( + const css::uno::Reference< css::awt::XControl >& _rxControl, + BorderDescriptor& _rData + ) const; + }; + + +} + + +#endif // INCLUDED_SVX_SOURCE_INC_FMCONTROLBORDERMANAGER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |