diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /sw/inc/textboxhelper.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sw/inc/textboxhelper.hxx')
-rw-r--r-- | sw/inc/textboxhelper.hxx | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/sw/inc/textboxhelper.hxx b/sw/inc/textboxhelper.hxx new file mode 100644 index 0000000000..c4f4c3d8fb --- /dev/null +++ b/sw/inc/textboxhelper.hxx @@ -0,0 +1,296 @@ +/* -*- 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/. + */ + +#ifndef INCLUDED_SW_INC_TEXTBOXHELPER_HXX +#define INCLUDED_SW_INC_TEXTBOXHELPER_HXX + +#include <map> +#include <set> +#include <vector> + +#include <com/sun/star/uno/Any.hxx> +#include <com/sun/star/uno/Type.h> +#include <com/sun/star/text/TextContentAnchorType.hpp> +#include <svx/swframetypes.hxx> + +#include "swdllapi.h" + +class SdrPage; +class SdrObject; +class SfxItemSet; +class SwFrameFormat; +class SwFormatAnchor; +class SwFormatContent; +class SwDoc; +namespace tools +{ +class Rectangle; +} +class ZSortFly; +namespace com::sun::star::drawing +{ +class XShape; +} +namespace com::sun::star::text +{ +class XTextFrame; +} +namespace sw +{ +template <class T> class FrameFormats; +class SpzFrameFormat; +} + +/** + * A TextBox is a TextFrame, that is tied to a drawinglayer shape. + * + * This class provides helper methods to create, query and maintain such + * TextBoxes. + */ +class SW_DLLPUBLIC SwTextBoxHelper +{ +public: + /// Maps a draw format to a fly format. + using SavedLink = std::map<const SwFrameFormat*, const SwFrameFormat*>; + /// Maps a draw format to content. + using SavedContent = std::map<const SwFrameFormat*, SwFormatContent>; + /// Create a TextBox for a shape. If the third parameter is true, + /// the original text in the shape will be copied to the frame + /// The textbox is created for the shape given by the pObject parameter. + static void create(SwFrameFormat* pShape, SdrObject* pObject, bool bCopyText = false); + /// Sets the given textframe as textbox for the given (group member) shape. + static void set(SwFrameFormat* pShape, SdrObject* pObject, + css::uno::Reference<css::text::XTextFrame> xNew); + /// Destroy a TextBox for a shape. If the format has more textboxes + /// like group shapes, it will destroy only that textbox what belongs + /// to the given pObject shape. + static void destroy(const SwFrameFormat* pShape, const SdrObject* pObject); + /// Get interface of a shape's TextBox, if there is any. + static css::uno::Any queryInterface(const SwFrameFormat* pShape, const css::uno::Type& rType, + SdrObject* pObj); + + /// Sync property of TextBox with the one of the shape. + static void syncProperty(SwFrameFormat* pShape, sal_uInt16 nWID, sal_uInt8 nMemberID, + const css::uno::Any& rValue, SdrObject* pObj = nullptr); + /// Does the same, but works on properties which lack an sw-specific WID / MemberID. + static void syncProperty(SwFrameFormat* pShape, std::u16string_view rPropertyName, + const css::uno::Any& rValue, SdrObject* pObj = nullptr); + /// Get a property of the underlying TextFrame. + static void getProperty(SwFrameFormat const* pShape, sal_uInt16 nWID, sal_uInt8 nMemberID, + css::uno::Any& rValue); + /// Get a property of the underlying TextFrame. + static css::uno::Any getProperty(SwFrameFormat const* pShape, const OUString& rPropName); + + /// There are two types of enum of anchor type, so this function maps this. + static css::text::TextContentAnchorType mapAnchorType(const RndStdIds& rAnchorID); + + /// Similar to syncProperty(), but used by the internal API (e.g. for UI purposes). + static void syncFlyFrameAttr(SwFrameFormat& rShape, SfxItemSet const& rSet, SdrObject* pObj); + + /// Copy shape attributes to the text frame + static void updateTextBoxMargin(SdrObject* pObj); + + /// Sets the anchor of the associated textframe of the given shape, and + /// returns true on success. + static bool changeAnchor(SwFrameFormat* pShape, SdrObject* pObj); + + /// Does the positioning for the associated textframe of the shape, and + /// returns true on success. + static bool doTextBoxPositioning(SwFrameFormat* pShape, SdrObject* pObj); + + /// Sets the correct size of textframe depending on the given SdrObject. + static bool syncTextBoxSize(SwFrameFormat* pShape, SdrObject* pObj); + + // Returns true on success. Synchronize z-order of the text frame of the given textbox + // by setting it one level higher than the z-order of the shape of the textbox. + static bool DoTextBoxZOrderCorrection(SwFrameFormat* pShape, const SdrObject* pObj); + + /** + * If we have an associated TextFrame, then return that. + * + * If we have more textboxes for this format (group shape), that one will be + * returned, what belongs to the pObject. + * + * @param nType Expected frame format type. + * Valid types are RES_DRAWFRMFMT and RES_FLYFRMFMT. + * + * @see isTextBox + */ + static SwFrameFormat* getOtherTextBoxFormat(const SwFrameFormat* pFormat, sal_uInt16 nType, + const SdrObject* pObject = nullptr); + /// If we have an associated TextFrame, then return that. + static SwFrameFormat* + getOtherTextBoxFormat(css::uno::Reference<css::drawing::XShape> const& xShape); + /// If we have an associated TextFrame, then return its XTextFrame. + static css::uno::Reference<css::text::XTextFrame> + getUnoTextFrame(css::uno::Reference<css::drawing::XShape> const& xShape); + /// Return the textbox rectangle of a draw shape (in relative twips). + static tools::Rectangle getRelativeTextRectangle(SdrObject* pShape); + + /** + * Is the frame format a text box? + * + * A text box consists of a coupled fly and draw format. Most times you + * just want to check for a single type, otherwise you get duplicate results. + * + * @param pFormat: Is this format have a textbox? + * + * @param nType: Expected frame format input type. + * Valid types are RES_DRAWFRMFMT and RES_FLYFRMFMT. + * + * @param pObject: If the pFormat has more textboxes than one, like + * groupshapes, the textbox what belongs to the given + * pObject will be inspected. If this parameter nullptr, + * the textbox what belongs to the pObject will only be inspected. + */ + static bool isTextBox(const SwFrameFormat* pFormat, sal_uInt16 nType, + const SdrObject* pObject = nullptr); + + /// Returns true if the SdrObject has a SwTextFrame otherwise false + static bool hasTextFrame(const SdrObject* pObj); + + /// Count number of shapes in the document, excluding TextBoxes. + static sal_Int32 getCount(const SwDoc& rDoc); + /// Count number of shapes on the page, excluding TextBoxes. + static sal_Int32 getCount(SdrPage const* pPage); + /// Get a shape by index, excluding TextBoxes. + /// + /// @throws css::lang::IndexOutOfBoundsException + static css::uno::Any getByIndex(SdrPage const* pPage, sal_Int32 nIndex); + /// Get the order of the shape, excluding TextBoxes. + static sal_Int32 getOrdNum(const SdrObject* pObject); + /// If pTextBox is a textbox, then set rWrapThrough to the surround of its shape. + static void getShapeWrapThrough(const SwFrameFormat* pTextBox, bool& rWrapThrough); + + /// Saves the current shape -> textbox links in a map, so they can be restored later. + static void saveLinks(const sw::FrameFormats<sw::SpzFrameFormat*>& rFormats, + std::map<const SwFrameFormat*, const SwFrameFormat*>& rLinks); + /// Undo the effect of saveLinks() + individual resetLink() calls. + static void restoreLinks(std::set<ZSortFly>& rOld, std::vector<SwFrameFormat*>& rNew, + SavedLink& rSavedLinks); + + /// Calls the method given by pFunc with every textboxes of the group given by pFormat. + static void synchronizeGroupTextBoxProperty(bool pFunc(SwFrameFormat*, SdrObject*), + SwFrameFormat* pFormat, SdrObject* pObj); + + /// Collect all textboxes of the group given by the pGroupObj Parameter. Returns with a + /// vector filled with the textboxes. + static std::vector<SwFrameFormat*> CollectTextBoxes(const SdrObject* pGroupObject, + SwFrameFormat* pFormat); + + // Compares the anchor of the first and second given formats, and decides whether sync needed. + static bool isAnchorSyncNeeded(const SwFrameFormat* pFirst, const SwFrameFormat* pSecond); +}; + +/// Textboxes are basically textframe + shape pairs. This means one shape has one frame. +/// This is not enough for group shapes, because they have only one shape format and +/// can have many frame formats. This class provides if there is a group shape for example, +/// it can have multiple textboxes. +class SwTextBoxNode +{ + friend class SwTextBoxLockGuard; + + // One TextBox-entry + struct SwTextBoxElement + { + // The textframe format + SwFrameFormat* m_pTextBoxFormat; + // The Draw object where the textbox belongs to + SdrObject* m_pDrawObject; + }; + + // This vector stores the textboxes what belongs to this node + std::vector<SwTextBoxElement> m_pTextBoxes; + // This is the pointer to the shape format, which has this node + // (and the textboxes) + SwFrameFormat* m_pOwnerShapeFormat; + + // Prevents oscillating during recursive clone calling. + mutable bool m_bIsCloningInProgress; + + // Protection against looping + bool m_bLock; + +public: + // Not needed. + SwTextBoxNode() = delete; + + // ctor + SwTextBoxNode(SwFrameFormat* pOwnerShapeFormat); + // dtor + ~SwTextBoxNode(); + + // default copy ctor is enough + SwTextBoxNode(const SwTextBoxNode&) = default; + + // This method adds a textbox entry to the shape + // Parameters: + // pDrawObject: The shape what the textbox be added to. + // pNewTextBox: The newly created textbox format what will be added to the shape. + void AddTextBox(SdrObject* pDrawObject, SwFrameFormat* pNewTextBox); + + // This will remove the textbox entry. + // Parameters: + // pDrawObject: The shape which have the textbox to be deleted. + void DelTextBox(const SdrObject* pDrawObject, bool bDelFromDoc = false); + + // This will remove the textbox entry. + // Parameters: + // pTextBox: The textbox what have to be deleted. + void DelTextBox(const SwFrameFormat* pTextBox, bool bDelFromDoc = false); + + // This will return with the frame format of the textbox what belongs + // to the given shape (pDrawObject) + SwFrameFormat* GetTextBox(const SdrObject* pDrawObject) const; + + // Clears all textboxes of this node from the doc and also from here. + void ClearAll(); + + // If this is a group shape, that returns true. + bool IsGroupTextBox() const; + + // This returns with the shape what this class belongs to. + SwFrameFormat* GetOwnerShape() { return m_pOwnerShapeFormat; }; + + // This will give the current number of textboxes. + size_t GetTextBoxCount() const { return m_pTextBoxes.size(); }; + + // Returns with a const collection of textboxes owned by this node. + std::map<SdrObject*, SwFrameFormat*> GetAllTextBoxes() const; + + // Does the copy, and assign of all textboxes of this node to the given format. + // Important: The given format has to be a shape-format, and must have same structure + // as the owner shape has. If the structure different, the cloning will be aborted. + void Clone(SwDoc* pDoc, const SwFormatAnchor& rNewAnc, SwFrameFormat* o_pTarget, bool bSetAttr, + bool bMakeFrame) const; + +private: + void Clone_Impl(SwDoc* pDoc, const SwFormatAnchor& rNewAnc, SwFrameFormat* o_pTarget, + const SdrObject* pSrcObj, SdrObject* pDestObj, bool bSetAttr, + bool bMakeFrame) const; +}; + +// Helper class for preventing unwanted sync calls. +class SwTextBoxLockGuard +{ + SwTextBoxNode& m_rTextBoxes; + +public: + SwTextBoxLockGuard(SwTextBoxNode& rTextBoxes) + : m_rTextBoxes(rTextBoxes) + { + m_rTextBoxes.m_bLock = true; + } + + ~SwTextBoxLockGuard() { m_rTextBoxes.m_bLock = false; } +}; + +#endif // INCLUDED_SW_INC_TEXTBOXHELPER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |