/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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
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*/
#ifndef INCLUDED_SVX_SOURCE_INC_STYLES_PREVIEW_WINDOW_HXX
#define INCLUDED_SVX_SOURCE_INC_STYLES_PREVIEW_WINDOW_HXX
#include <vcl/InterimItemWindow.hxx>
#include <svl/style.hxx>
#include <com/sun/star/frame/XDispatchProvider.hpp>
#include <com/sun/star/frame/XFrame.hpp>
#include <sfx2/sfxstatuslistener.hxx>
class StylesPreviewWindow_Base;
/// Listener for style selection
class StyleStatusListener final : public SfxStatusListener
{
StylesPreviewWindow_Base* m_pPreviewControl;
public :
StyleStatusListener(
StylesPreviewWindow_Base* pPreviewControl,
const css::uno::Reference<css::frame::XDispatchProvider>& xDispatchProvider);
void StateChangedAtStatusListener(SfxItemState eState, const SfxPoolItem* pState) override;
};
/// Listener for styles creation or modification
class StylePoolChangeListener final : public SfxListener
{
StylesPreviewWindow_Base* m_pPreviewControl;
SfxStyleSheetBasePool* m_pStyleSheetPool;
public :
StylePoolChangeListener(StylesPreviewWindow_Base* pPreviewControl);
~StylePoolChangeListener();
virtual void Notify(SfxBroadcaster& rBC, const SfxHint& rHint) override;
};
class StyleItemController
{
static constexpr unsigned LEFT_MARGIN = 8 ;
SfxStyleFamily m_eStyleFamily;
std::pair<OUString, OUString> m_aStyleName;
public :
StyleItemController(std::pair<OUString, OUString> aStyleName);
void Paint(vcl::RenderContext& rRenderContext);
private :
void DrawEntry(vcl::RenderContext& rRenderContext);
void DrawText(vcl::RenderContext& rRenderContext);
void DrawHighlight(vcl::RenderContext& rRenderContext, Color aFontBack);
static void DrawContentBackground(vcl::RenderContext& rRenderContext,
const tools::Rectangle& aContentRect, const Color& aColor);
};
class StylesListUpdateTask final : public Idle
{
StylesPreviewWindow_Base& m_rStylesList;
public :
StylesListUpdateTask(StylesPreviewWindow_Base& rStylesList)
: Idle("StylesListUpdateTask" )
, m_rStylesList(rStylesList)
{
SetPriority(TaskPriority::DEFAULT_IDLE);
}
virtual void Invoke() override;
};
class StylesPreviewWindow_Base
{
friend class StylesListUpdateTask;
protected :
static constexpr unsigned STYLES_COUNT = 6 ;
css::uno::Reference<css::frame::XFrame> m_xFrame;
std::unique_ptr<weld::IconView> m_xStylesView;
StylesListUpdateTask m_aUpdateTask;
rtl::Reference<StyleStatusListener> m_xStatusListener;
std::unique_ptr<StylePoolChangeListener> m_pStylePoolChangeListener;
std::vector<std::pair<OUString, OUString>> m_aDefaultStyles;
std::vector<std::pair<OUString, OUString>> m_aAllStyles;
OUString m_sSelectedStyle;
DECL_LINK(Selected, weld::IconView&, void );
DECL_LINK(DoubleClick, weld::IconView&, bool );
DECL_LINK(DoCommand, const CommandEvent&, bool );
DECL_LINK(GetPreviewImage, const weld::encoded_image_query&, bool );
public :
StylesPreviewWindow_Base(weld::Builder& xBuilder,
std::vector<std::pair<OUString, OUString>>&& aDefaultStyles,
const css::uno::Reference<css::frame::XFrame>& xFrame);
~StylesPreviewWindow_Base();
void Select(const OUString& rStyleName);
void RequestStylesListUpdate();
static BitmapEx GetCachedPreview(const std::pair<OUString, OUString>& rStyle);
static OString GetCachedPreviewJson(const std::pair<OUString, OUString>& rStyle);
private :
void UpdateStylesList();
void UpdateSelection();
bool Command(const CommandEvent& rEvent);
};
class StylesPreviewWindow_Impl final : public InterimItemWindow, public StylesPreviewWindow_Base
{
public :
StylesPreviewWindow_Impl(vcl::Window* pParent,
std::vector<std::pair<OUString, OUString>>&& aDefaultStyles,
const css::uno::Reference<css::frame::XFrame>& xFrame);
~StylesPreviewWindow_Impl();
void dispose();
void SetOptimalSize();
};
#endif
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(vorverarbeitet am 2026-09-28)
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