/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file is part of the LibreOffice project.
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 * 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_TBXCTRLS_COLORWINDOW_HXX
#define INCLUDED_SVX_SOURCE_TBXCTRLS_COLORWINDOW_HXX

#include <sfx2/tbxctrl.hxx>
#include <svtools/toolbarmenu.hxx>
#include <svtools/valueset.hxx>
#include <svl/lstner.hxx>
#include <rtl/ustring.hxx>
#include <com/sun/star/frame/XFrame.hpp>
#include <svx/SvxColorValueSet.hxx>
#include <svx/PaletteManager.hxx>
#include <vcl/lstbox.hxx>
#include <vcl/fixed.hxx>

#include <functional>

class SVX_DLLPUBLIC ColorStatus
{
    Color maColor;
    Color maTLBRColor;
    Color maBLTRColor;
public:
    ColorStatus();
    ~ColorStatus();
    void statusChanged( const css::frame::FeatureStateEvent& rEvent );
    Color GetColor();
};

class Button;
typedef std::function<void(const OUString&, const NamedColor&)> ColorSelectFunction;

#define COL_NONE_COLOR    ::Color(0x80, 0xFF, 0xFF, 0xFF)

class SVX_DLLPUBLIC SvxColorWindow : public svtools::ToolbarPopup
{
private:
    const sal_uInt16    theSlotId;
    VclPtr<SvxColorValueSet>   mpColorSet;
    VclPtr<SvxColorValueSet>   mpRecentColorSet;

    VclPtr<ListBox>     mpPaletteListBox;
    VclPtr<PushButton>  mpButtonAutoColor;
    VclPtr<PushButton>  mpButtonNoneColor;
    VclPtr<PushButton>  mpButtonPicker;
    VclPtr<FixedLine>   mpAutomaticSeparator;
    OUString const      maCommand;
    Link<const NamedColor&, void> maSelectedLink;

    VclPtr<vcl::Window> mxParentWindow;
    std::shared_ptr<PaletteManager> mxPaletteManager;
    ColorStatus&  mrColorStatus;

    ColorSelectFunction const maColorSelectFunction;
    bool const mbReuseParentForPicker;

    DECL_LINK( SelectHdl, ValueSet*, void );
    DECL_LINK( SelectPaletteHdl, ListBox&, void);
    DECL_LINK( AutoColorClickHdl, Button*, void );
    DECL_LINK( OpenPickerClickHdl, Button*, void );

    static bool SelectValueSetEntry(SvxColorValueSet* pColorSet, const Color& rColor);
    static NamedColor GetSelectEntryColor(ValueSet const * pColorSet);
    NamedColor GetAutoColor() const;

public:
    SvxColorWindow(const OUString& rCommand,
                   std::shared_ptr<PaletteManager> const & rPaletteManager,
                   ColorStatus& rColorStatus,
                   sal_uInt16 nSlotId,
                   const css::uno::Reference< css::frame::XFrame >& rFrame,
                   vcl::Window* pParentWindow,
                   // tdf#118251 When true, reuse pParentWindow as the parent of the color picker
                   // that appears from the 'custom color' button. When false use the window of
                   // rFrame. true is helpful when launched from a dialog, false for launched
                   // from a toolbar
                   bool bReuseParentForPicker,
                   ColorSelectFunction const& rColorSelectFunction);
    virtual ~SvxColorWindow() override;
    virtual void        dispose() override;
    void                ShowNoneButton();
    void                StartSelection();
    void                SetNoSelection();
    bool                IsNoSelection() const;
    void                SelectEntry(const NamedColor& rColor);
    void                SelectEntry(const Color& rColor);
    NamedColor          GetSelectEntryColor() const;

    virtual void        KeyInput( const KeyEvent& rKEvt ) override;
    virtual void        statusChanged( const css::frame::FeatureStateEvent& rEvent ) override;

    void SetSelectedHdl( const Link<const NamedColor&, void>& rLink ) { maSelectedLink = rLink; }
};

class SVX_DLLPUBLIC ColorWindow : public svtools::ToolbarPopupBase
{
private:
    std::unique_ptr<weld::Builder> m_xBuilder;

    const sal_uInt16    theSlotId;
    weld::Window* const mpParentWindow;
    weld::MenuButton* mpMenuButton;
    std::shared_ptr<PaletteManager> mxPaletteManager;
    ColorStatus&  mrColorStatus;
    ColorSelectFunction const maColorSelectFunction;

    std::unique_ptr<ColorValueSet> mxColorSet;
    std::unique_ptr<ColorValueSet> mxRecentColorSet;
    std::unique_ptr<weld::Container> mxTopLevel;
    std::unique_ptr<weld::ComboBox> mxPaletteListBox;
    std::unique_ptr<weld::Button> mxButtonAutoColor;
    std::unique_ptr<weld::Button> mxButtonNoneColor;
    std::unique_ptr<weld::Button> mxButtonPicker;
    std::unique_ptr<weld::Widget> mxAutomaticSeparator;
    std::unique_ptr<weld::CustomWeld> mxColorSetWin;
    std::unique_ptr<weld::CustomWeld> mxRecentColorSetWin;

    DECL_LINK(SelectHdl, SvtValueSet*, void);
    DECL_LINK(SelectPaletteHdl, weld::ComboBox&, void);
    DECL_LINK(AutoColorClickHdl, weld::Button&, void);
    DECL_LINK(OpenPickerClickHdl, weld::Button&, void);
    DECL_LINK(FocusHdl, weld::Widget&, void);

    static bool SelectValueSetEntry(ColorValueSet* pColorSet, const Color& rColor);
    static NamedColor GetSelectEntryColor(SvtValueSet const * pColorSet);
    NamedColor GetAutoColor() const;

public:
    ColorWindow(std::shared_ptr<PaletteManager> const & rPaletteManager,
                ColorStatus& rColorStatus,
                sal_uInt16 nSlotId,
                const css::uno::Reference< css::frame::XFrame >& rFrame,
                weld::Window* pParentWindow, weld::MenuButton* pMenuButton,
                bool bInterimBuilder,
                ColorSelectFunction const& rColorSelectFunction);
    weld::Container* GetWidget() { return mxTopLevel.get(); }
    virtual ~ColorWindow() override;
    void                ShowNoneButton();
    void                SetNoSelection();
    bool                IsNoSelection() const;
    void                SelectEntry(const NamedColor& rColor);
    void                SelectEntry(const Color& rColor);
    NamedColor          GetSelectEntryColor() const;

    virtual void        statusChanged( const css::frame::FeatureStateEvent& rEvent ) override;

};

#endif

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