svx/source/inc/StylesPreviewWindow.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SVX_SOURCE_INC_STYLES_PREVIEW_WINDOW_HXX
  21 #define INCLUDED_SVX_SOURCE_INC_STYLES_PREVIEW_WINDOW_HXX
  22
  23 #include <vcl/InterimItemWindow.hxx>
  24 #include <svl/style.hxx>
  25 #include <com/sun/star/frame/XDispatchProvider.hpp>
  26 #include <sfx2/sfxstatuslistener.hxx>
  27
  28 class StylesPreviewWindow_Base;
  29
  30 /// Listener for style selection
  31 class StyleStatusListener final : public SfxStatusListener
  32 {
  33     StylesPreviewWindow_Base* m_pPreviewControl;
  34
  35 public:
  36     StyleStatusListener(
  37         StylesPreviewWindow_Base* pPreviewControl,
  38         const css::uno::Reference<css::frame::XDispatchProvider>& xDispatchProvider);
  39
  40     void StateChangedAtStatusListener(SfxItemState eState, const SfxPoolItem* pState) override;
  41 };
  42
  43 /// Listener for styles creation or modification
  44 class StylePoolChangeListener final : public SfxListener
  45 {
  46     StylesPreviewWindow_Base* m_pPreviewControl;
  47     SfxStyleSheetBasePool* m_pStyleSheetPool;
  48
  49 public:
  50     StylePoolChangeListener(StylesPreviewWindow_Base* pPreviewControl);
  51     ~StylePoolChangeListener();
  52
  53     virtual void Notify(SfxBroadcaster& rBC, const SfxHint& rHint) override;
  54 };
  55
  56 class StyleItemController
  57 {
  58     static constexpr unsigned LEFT_MARGIN = 8;
  59
  60     SfxStyleFamily m_eStyleFamily;
  61     std::pair<OUString, OUString> m_aStyleName;
  62
  63 public:
  64     StyleItemController(std::pair<OUString, OUString> aStyleName);
  65
  66     void Paint(vcl::RenderContext& rRenderContext);
  67
  68 private:
  69     void DrawEntry(vcl::RenderContext& rRenderContext);
  70     void DrawText(vcl::RenderContext& rRenderContext);
  71     void DrawHighlight(vcl::RenderContext& rRenderContext, Color aFontBack);
  72     static void DrawContentBackground(vcl::RenderContext& rRenderContext,
  73                                       const tools::Rectangle& aContentRect, const Color& aColor);
  74 };
  75
  76 class StylesListUpdateTask final : public Idle
  77 {
  78     StylesPreviewWindow_Base& m_rStylesList;
  79
  80 public:
  81     StylesListUpdateTask(StylesPreviewWindow_Base& rStylesList)
  82         : Idle("StylesListUpdateTask")
  83         , m_rStylesList(rStylesList)
  84     {
  85         SetPriority(TaskPriority::HIGH_IDLE);
  86     }
  87
  88     virtual void Invoke() override;
  89 };
  90
  91 class StylesPreviewWindow_Base
  92 {
  93     friend class StylesListUpdateTask;
  94
  95 protected:
  96     static constexpr unsigned STYLES_COUNT = 6;
  97
  98     css::uno::Reference<css::frame::XDispatchProvider> m_xDispatchProvider;
  99
 100     std::unique_ptr<weld::IconView> m_xStylesView;
 101
 102     StylesListUpdateTask m_aUpdateTask;
 103
 104     rtl::Reference<StyleStatusListener> m_xStatusListener;
 105     std::unique_ptr<StylePoolChangeListener> m_pStylePoolChangeListener;
 106
 107     std::vector<std::pair<OUString, OUString>> m_aDefaultStyles;
 108     std::vector<std::pair<OUString, OUString>> m_aAllStyles;
 109
 110     OUString m_sSelectedStyle;
 111
 112     DECL_LINK(Selected, weld::IconView&, void);
 113     DECL_LINK(DoubleClick, weld::IconView&, bool);
 114     DECL_LINK(DoCommand, const CommandEvent&, bool);
 115     DECL_LINK(DoJsonProperty, const weld::json_prop_query&, bool);
 116
 117 public:
 118     StylesPreviewWindow_Base(
 119         weld::Builder& xBuilder, std::vector<std::pair<OUString, OUString>>&& aDefaultStyles,
 120         const css::uno::Reference<css::frame::XDispatchProvider>& xDispatchProvider);
 121     ~StylesPreviewWindow_Base();
 122
 123     void Select(const OUString& rStyleName);
 124     void RequestStylesListUpdate();
 125     static VclPtr<VirtualDevice> GetCachedPreview(const std::pair<OUString, OUString>& rStyle);
 126     static OString GetCachedPreviewJson(const std::pair<OUString, OUString>& rStyle);
 127
 128 private:
 129     void UpdateStylesList();
 130     void UpdateSelection();
 131     bool Command(const CommandEvent& rEvent);
 132 };
 133
 134 class StylesPreviewWindow_Impl final : public InterimItemWindow, public StylesPreviewWindow_Base
 135 {
 136 public:
 137     StylesPreviewWindow_Impl(
 138         vcl::Window* pParent, std::vector<std::pair<OUString, OUString>>&& aDefaultStyles,
 139         const css::uno::Reference<css::frame::XDispatchProvider>& xDispatchProvider);
 140     ~StylesPreviewWindow_Impl();
 141
 142     void dispose();
 143
 144     void SetOptimalSize();
 145 };
 146
 147 #endif
 148
 149 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */