a188ac2988
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61096 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2035 lines
71 KiB
C++
2035 lines
71 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/richtext/richtextbuffer.h
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// Purpose: Buffer for wxRichTextCtrl
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// Author: Julian Smart
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// Modified by:
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// Created: 2005-09-30
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_RICHTEXTBUFFER_H_
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#define _WX_RICHTEXTBUFFER_H_
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/*
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Data structures
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===============
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Data is represented by a hierarchy of objects, all derived from
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wxRichTextObject.
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The top of the hierarchy is the buffer, a kind of wxRichTextParagraphLayoutBox.
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These boxes will allow flexible placement of text boxes on a page, but
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for now there is a single box representing the document, and this box is
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a wxRichTextParagraphLayoutBox which contains further wxRichTextParagraph
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objects, each of which can include text and images.
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Each object maintains a range (start and end position) measured
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from the start of the main parent box.
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A paragraph object knows its range, and a text fragment knows its range
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too. So, a character or image in a page has a position relative to the
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start of the document, and a character in an embedded text box has
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a position relative to that text box. For now, we will not be dealing with
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embedded objects but it's something to bear in mind for later.
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Note that internally, a range (5,5) represents a range of one character.
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In the public wx[Rich]TextCtrl API, this would be passed to e.g. SetSelection
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as (5,6). A paragraph with one character might have an internal range of (0, 1)
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since the end of the paragraph takes up one position.
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Layout
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======
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When Layout is called on an object, it is given a size which the object
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must limit itself to, or one or more flexible directions (vertical
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or horizontal). So for example a centered paragraph is given the page
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width to play with (minus any margins), but can extend indefinitely
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in the vertical direction. The implementation of Layout can then
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cache the calculated size and position within the parent.
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*/
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/*!
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* Includes
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*/
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#include "wx/defs.h"
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#if wxUSE_RICHTEXT
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#include "wx/list.h"
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#include "wx/textctrl.h"
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#include "wx/bitmap.h"
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#include "wx/image.h"
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#include "wx/cmdproc.h"
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#include "wx/txtstrm.h"
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#if wxUSE_DATAOBJ
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#include "wx/dataobj.h"
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#endif
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// Compatibility
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#define wxRichTextAttr wxTextAttr
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#define wxTextAttrEx wxTextAttr
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// Setting wxRICHTEXT_USE_OWN_CARET to 1 implements a
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// cursor reliably without using wxClientDC in case there
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// are platform-specific problems with the generic caret.
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#ifdef __WXMAC__
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#define wxRICHTEXT_USE_OWN_CARET 1
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#else
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#define wxRICHTEXT_USE_OWN_CARET 0
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#endif
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// Switch off for binary compatibility, on for faster drawing
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// Note: this seems to be buggy (overzealous use of extents) so
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// don't use for now
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#define wxRICHTEXT_USE_OPTIMIZED_LINE_DRAWING 0
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/*!
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* Special characters
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*/
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extern WXDLLIMPEXP_RICHTEXT const wxChar wxRichTextLineBreakChar;
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/*!
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* File types in wxRichText context.
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*/
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enum wxRichTextFileType
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{
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wxRICHTEXT_TYPE_ANY = 0,
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wxRICHTEXT_TYPE_TEXT,
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wxRICHTEXT_TYPE_XML,
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wxRICHTEXT_TYPE_HTML,
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wxRICHTEXT_TYPE_RTF,
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wxRICHTEXT_TYPE_PDF
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};
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/*!
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* Forward declarations
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*/
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextCtrl;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextObject;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextCacheObject;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextObjectList;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextLine;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextParagraph;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextFileHandler;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextStyleSheet;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextListStyleDefinition;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextEvent;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextRenderer;
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class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextBuffer;
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/*!
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* Flags determining the available space, passed to Layout
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*/
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#define wxRICHTEXT_FIXED_WIDTH 0x01
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#define wxRICHTEXT_FIXED_HEIGHT 0x02
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#define wxRICHTEXT_VARIABLE_WIDTH 0x04
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#define wxRICHTEXT_VARIABLE_HEIGHT 0x08
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// Only lay out the part of the buffer that lies within
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// the rect passed to Layout.
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#define wxRICHTEXT_LAYOUT_SPECIFIED_RECT 0x10
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/*!
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* Flags to pass to Draw
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*/
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// Ignore paragraph cache optimization, e.g. for printing purposes
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// where one line may be drawn higher (on the next page) compared
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// with the previous line
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#define wxRICHTEXT_DRAW_IGNORE_CACHE 0x01
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/*!
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* Flags returned from hit-testing
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*/
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enum wxRichTextHitTestFlags
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{
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// The point was not on this object
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wxRICHTEXT_HITTEST_NONE = 0x01,
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// The point was before the position returned from HitTest
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wxRICHTEXT_HITTEST_BEFORE = 0x02,
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// The point was after the position returned from HitTest
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wxRICHTEXT_HITTEST_AFTER = 0x04,
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// The point was on the position returned from HitTest
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wxRICHTEXT_HITTEST_ON = 0x08,
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// The point was on space outside content
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wxRICHTEXT_HITTEST_OUTSIDE = 0x10
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};
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/*!
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* Flags for GetRangeSize
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*/
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#define wxRICHTEXT_FORMATTED 0x01
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#define wxRICHTEXT_UNFORMATTED 0x02
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#define wxRICHTEXT_CACHE_SIZE 0x04
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#define wxRICHTEXT_HEIGHT_ONLY 0x08
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/*!
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* Flags for SetStyle/SetListStyle
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*/
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#define wxRICHTEXT_SETSTYLE_NONE 0x00
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// Specifies that this operation should be undoable
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#define wxRICHTEXT_SETSTYLE_WITH_UNDO 0x01
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// Specifies that the style should not be applied if the
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// combined style at this point is already the style in question.
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#define wxRICHTEXT_SETSTYLE_OPTIMIZE 0x02
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// Specifies that the style should only be applied to paragraphs,
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// and not the content. This allows content styling to be
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// preserved independently from that of e.g. a named paragraph style.
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#define wxRICHTEXT_SETSTYLE_PARAGRAPHS_ONLY 0x04
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// Specifies that the style should only be applied to characters,
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// and not the paragraph. This allows content styling to be
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// preserved independently from that of e.g. a named paragraph style.
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#define wxRICHTEXT_SETSTYLE_CHARACTERS_ONLY 0x08
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// For SetListStyle only: specifies starting from the given number, otherwise
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// deduces number from existing attributes
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#define wxRICHTEXT_SETSTYLE_RENUMBER 0x10
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// For SetListStyle only: specifies the list level for all paragraphs, otherwise
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// the current indentation will be used
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#define wxRICHTEXT_SETSTYLE_SPECIFY_LEVEL 0x20
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// Resets the existing style before applying the new style
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#define wxRICHTEXT_SETSTYLE_RESET 0x40
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// Removes the given style instead of applying it
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#define wxRICHTEXT_SETSTYLE_REMOVE 0x80
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/*!
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* Flags for text insertion
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*/
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#define wxRICHTEXT_INSERT_NONE 0x00
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#define wxRICHTEXT_INSERT_WITH_PREVIOUS_PARAGRAPH_STYLE 0x01
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#define wxRICHTEXT_INSERT_INTERACTIVE 0x02
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// A special flag telling the buffer to keep the first paragraph style
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// as-is, when deleting a paragraph marker. In future we might pass a
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// flag to InsertFragment and DeleteRange to indicate the appropriate mode.
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#define wxTEXT_ATTR_KEEP_FIRST_PARA_STYLE 0x10000000
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/*!
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* Default superscript/subscript font multiplication factor
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*/
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#define wxSCRIPT_MUL_FACTOR 1.5
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/*!
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* wxRichTextFontTable
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* Manages quick access to a pool of fonts for rendering rich text
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*/
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class WXDLLIMPEXP_RICHTEXT wxRichTextFontTable: public wxObject
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{
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public:
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wxRichTextFontTable();
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wxRichTextFontTable(const wxRichTextFontTable& table);
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virtual ~wxRichTextFontTable();
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bool IsOk() const { return m_refData != NULL; }
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wxFont FindFont(const wxTextAttr& fontSpec);
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void Clear();
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void operator= (const wxRichTextFontTable& table);
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bool operator == (const wxRichTextFontTable& table) const;
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bool operator != (const wxRichTextFontTable& table) const { return !(*this == table); }
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protected:
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DECLARE_DYNAMIC_CLASS(wxRichTextFontTable)
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};
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/*!
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* wxRichTextRange class declaration
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* This stores beginning and end positions for a range of data.
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* TODO: consider renaming wxTextRange and using for all text controls.
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*/
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class WXDLLIMPEXP_RICHTEXT wxRichTextRange
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{
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public:
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// Constructors
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wxRichTextRange() { m_start = 0; m_end = 0; }
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wxRichTextRange(long start, long end) { m_start = start; m_end = end; }
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wxRichTextRange(const wxRichTextRange& range) { m_start = range.m_start; m_end = range.m_end; }
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~wxRichTextRange() {}
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void operator =(const wxRichTextRange& range) { m_start = range.m_start; m_end = range.m_end; }
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bool operator ==(const wxRichTextRange& range) const { return (m_start == range.m_start && m_end == range.m_end); }
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bool operator !=(const wxRichTextRange& range) const { return (m_start != range.m_start || m_end != range.m_end); }
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wxRichTextRange operator -(const wxRichTextRange& range) const { return wxRichTextRange(m_start - range.m_start, m_end - range.m_end); }
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wxRichTextRange operator +(const wxRichTextRange& range) const { return wxRichTextRange(m_start + range.m_start, m_end + range.m_end); }
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void SetRange(long start, long end) { m_start = start; m_end = end; }
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void SetStart(long start) { m_start = start; }
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long GetStart() const { return m_start; }
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void SetEnd(long end) { m_end = end; }
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long GetEnd() const { return m_end; }
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/// Returns true if this range is completely outside 'range'
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bool IsOutside(const wxRichTextRange& range) const { return range.m_start > m_end || range.m_end < m_start; }
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/// Returns true if this range is completely within 'range'
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bool IsWithin(const wxRichTextRange& range) const { return m_start >= range.m_start && m_end <= range.m_end; }
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/// Returns true if the given position is within this range. Allow
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/// for the possibility of an empty range - assume the position
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/// is within this empty range. NO, I think we should not match with an empty range.
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// bool Contains(long pos) const { return pos >= m_start && (pos <= m_end || GetLength() == 0); }
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bool Contains(long pos) const { return pos >= m_start && pos <= m_end ; }
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/// Limit this range to be within 'range'
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bool LimitTo(const wxRichTextRange& range) ;
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/// Gets the length of the range
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long GetLength() const { return m_end - m_start + 1; }
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/// Swaps the start and end
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void Swap() { long tmp = m_start; m_start = m_end; m_end = tmp; }
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/// Convert to internal form: (n, n) is the range of a single character.
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wxRichTextRange ToInternal() const { return wxRichTextRange(m_start, m_end-1); }
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/// Convert from internal to public API form: (n, n+1) is the range of a single character.
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wxRichTextRange FromInternal() const { return wxRichTextRange(m_start, m_end+1); }
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protected:
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long m_start;
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long m_end;
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};
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#define wxRICHTEXT_ALL wxRichTextRange(-2, -2)
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#define wxRICHTEXT_NONE wxRichTextRange(-1, -1)
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/*!
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* wxRichTextObject class declaration
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* This is the base for drawable objects.
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*/
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class WXDLLIMPEXP_RICHTEXT wxRichTextObject: public wxObject
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{
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DECLARE_CLASS(wxRichTextObject)
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public:
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// Constructors
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wxRichTextObject(wxRichTextObject* parent = NULL);
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virtual ~wxRichTextObject();
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// Overrideables
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/// Draw the item, within the given range. Some objects may ignore the range (for
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/// example paragraphs) while others must obey it (lines, to implement wrapping)
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virtual bool Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int style) = 0;
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/// Lay the item out at the specified position with the given size constraint.
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/// Layout must set the cached size.
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virtual bool Layout(wxDC& dc, const wxRect& rect, int style) = 0;
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/// Hit-testing: returns a flag indicating hit test details, plus
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/// information about position
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virtual int HitTest(wxDC& WXUNUSED(dc), const wxPoint& WXUNUSED(pt), long& WXUNUSED(textPosition)) { return false; }
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/// Finds the absolute position and row height for the given character position
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virtual bool FindPosition(wxDC& WXUNUSED(dc), long WXUNUSED(index), wxPoint& WXUNUSED(pt), int* WXUNUSED(height), bool WXUNUSED(forceLineStart)) { return false; }
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/// Get the best size, i.e. the ideal starting size for this object irrespective
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/// of available space. For a short text string, it will be the size that exactly encloses
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/// the text. For a longer string, it might use the parent width for example.
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virtual wxSize GetBestSize() const { return m_size; }
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/// Get the object size for the given range. Returns false if the range
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/// is invalid for this object.
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virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const = 0;
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/// Do a split, returning an object containing the second part, and setting
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/// the first part in 'this'.
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virtual wxRichTextObject* DoSplit(long WXUNUSED(pos)) { return NULL; }
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/// Calculate range. By default, guess that the object is 1 unit long.
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virtual void CalculateRange(long start, long& end) { end = start ; m_range.SetRange(start, end); }
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/// Delete range
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virtual bool DeleteRange(const wxRichTextRange& WXUNUSED(range)) { return false; }
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/// Returns true if the object is empty
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virtual bool IsEmpty() const { return false; }
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/// Get any text in this object for the given range
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virtual wxString GetTextForRange(const wxRichTextRange& WXUNUSED(range)) const { return wxEmptyString; }
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/// Returns true if this object can merge itself with the given one.
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virtual bool CanMerge(wxRichTextObject* WXUNUSED(object)) const { return false; }
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/// Returns true if this object merged itself with the given one.
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/// The calling code will then delete the given object.
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virtual bool Merge(wxRichTextObject* WXUNUSED(object)) { return false; }
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/// Dump to output stream for debugging
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virtual void Dump(wxTextOutputStream& stream);
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// Accessors
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/// Get/set the cached object size as calculated by Layout.
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virtual wxSize GetCachedSize() const { return m_size; }
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virtual void SetCachedSize(const wxSize& sz) { m_size = sz; }
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/// Get/set the object position
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virtual wxPoint GetPosition() const { return m_pos; }
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virtual void SetPosition(const wxPoint& pos) { m_pos = pos; }
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/// Get the rectangle enclosing the object
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virtual wxRect GetRect() const { return wxRect(GetPosition(), GetCachedSize()); }
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/// Set the range
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void SetRange(const wxRichTextRange& range) { m_range = range; }
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/// Get the range
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const wxRichTextRange& GetRange() const { return m_range; }
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wxRichTextRange& GetRange() { return m_range; }
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/// Get/set dirty flag (whether the object needs Layout to be called)
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virtual bool GetDirty() const { return m_dirty; }
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virtual void SetDirty(bool dirty) { m_dirty = dirty; }
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/// Is this composite?
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virtual bool IsComposite() const { return false; }
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/// Get/set the parent.
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virtual wxRichTextObject* GetParent() const { return m_parent; }
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virtual void SetParent(wxRichTextObject* parent) { m_parent = parent; }
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/// Set the margin around the object
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virtual void SetMargins(int margin);
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virtual void SetMargins(int leftMargin, int rightMargin, int topMargin, int bottomMargin);
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virtual int GetLeftMargin() const { return m_leftMargin; }
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virtual int GetRightMargin() const { return m_rightMargin; }
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virtual int GetTopMargin() const { return m_topMargin; }
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virtual int GetBottomMargin() const { return m_bottomMargin; }
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/// Set attributes object
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void SetAttributes(const wxTextAttr& attr) { m_attributes = attr; }
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const wxTextAttr& GetAttributes() const { return m_attributes; }
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wxTextAttr& GetAttributes() { return m_attributes; }
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/// Set/get stored descent
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void SetDescent(int descent) { m_descent = descent; }
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int GetDescent() const { return m_descent; }
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/// Gets the containing buffer
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wxRichTextBuffer* GetBuffer() const;
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// Operations
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/// Clone the object
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virtual wxRichTextObject* Clone() const { return NULL; }
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/// Copy
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void Copy(const wxRichTextObject& obj);
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/// Reference-counting allows us to use the same object in multiple
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/// lists (not yet used)
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void Reference() { m_refCount ++; }
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void Dereference();
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/// Convert units in tenths of a millimetre to device units
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int ConvertTenthsMMToPixels(wxDC& dc, int units);
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static int ConvertTenthsMMToPixels(int ppi, int units);
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protected:
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wxSize m_size;
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wxPoint m_pos;
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int m_descent; // Descent for this object (if any)
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bool m_dirty;
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int m_refCount;
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wxRichTextObject* m_parent;
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/// The range of this object (start position to end position)
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wxRichTextRange m_range;
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/// Margins
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int m_leftMargin;
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int m_rightMargin;
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int m_topMargin;
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int m_bottomMargin;
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/// Attributes
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wxTextAttr m_attributes;
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};
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WX_DECLARE_LIST_WITH_DECL( wxRichTextObject, wxRichTextObjectList, class WXDLLIMPEXP_RICHTEXT );
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/*!
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* wxRichTextCompositeObject class declaration
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* Objects of this class can contain other objects.
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*/
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class WXDLLIMPEXP_RICHTEXT wxRichTextCompositeObject: public wxRichTextObject
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{
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DECLARE_CLASS(wxRichTextCompositeObject)
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public:
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// Constructors
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wxRichTextCompositeObject(wxRichTextObject* parent = NULL);
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virtual ~wxRichTextCompositeObject();
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// Overrideables
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/// Hit-testing: returns a flag indicating hit test details, plus
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/// information about position
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virtual int HitTest(wxDC& dc, const wxPoint& pt, long& textPosition);
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/// Finds the absolute position and row height for the given character position
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virtual bool FindPosition(wxDC& dc, long index, wxPoint& pt, int* height, bool forceLineStart);
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/// Calculate range
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virtual void CalculateRange(long start, long& end);
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/// Delete range
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virtual bool DeleteRange(const wxRichTextRange& range);
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/// Get any text in this object for the given range
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virtual wxString GetTextForRange(const wxRichTextRange& range) const;
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/// Dump to output stream for debugging
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virtual void Dump(wxTextOutputStream& stream);
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// Accessors
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/// Get the children
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wxRichTextObjectList& GetChildren() { return m_children; }
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const wxRichTextObjectList& GetChildren() const { return m_children; }
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/// Get the child count
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size_t GetChildCount() const ;
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/// Get the nth child
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wxRichTextObject* GetChild(size_t n) const ;
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/// Get/set dirty flag
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virtual bool GetDirty() const { return m_dirty; }
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virtual void SetDirty(bool dirty) { m_dirty = dirty; }
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/// Is this composite?
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virtual bool IsComposite() const { return true; }
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/// Returns true if the buffer is empty
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virtual bool IsEmpty() const { return GetChildCount() == 0; }
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// Operations
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/// Copy
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void Copy(const wxRichTextCompositeObject& obj);
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/// Assignment
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void operator= (const wxRichTextCompositeObject& obj) { Copy(obj); }
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/// Append a child, returning the position
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size_t AppendChild(wxRichTextObject* child) ;
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/// Insert the child in front of the given object, or at the beginning
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bool InsertChild(wxRichTextObject* child, wxRichTextObject* inFrontOf) ;
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/// Delete the child
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bool RemoveChild(wxRichTextObject* child, bool deleteChild = false) ;
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/// Delete all children
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bool DeleteChildren() ;
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/// Recursively merge all pieces that can be merged.
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bool Defragment(const wxRichTextRange& range = wxRICHTEXT_ALL);
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protected:
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wxRichTextObjectList m_children;
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};
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/*!
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* wxRichTextBox class declaration
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* This defines a 2D space to lay out objects
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*/
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class WXDLLIMPEXP_RICHTEXT wxRichTextBox: public wxRichTextCompositeObject
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{
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DECLARE_DYNAMIC_CLASS(wxRichTextBox)
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public:
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// Constructors
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wxRichTextBox(wxRichTextObject* parent = NULL);
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wxRichTextBox(const wxRichTextBox& obj): wxRichTextCompositeObject() { Copy(obj); }
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// Overrideables
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/// Draw the item
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virtual bool Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int style);
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/// Lay the item out
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virtual bool Layout(wxDC& dc, const wxRect& rect, int style);
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/// Get/set the object size for the given range. Returns false if the range
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/// is invalid for this object.
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virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
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// Accessors
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// Operations
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/// Clone
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virtual wxRichTextObject* Clone() const { return new wxRichTextBox(*this); }
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/// Copy
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void Copy(const wxRichTextBox& obj);
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protected:
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};
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/*!
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* wxRichTextParagraphBox class declaration
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* This box knows how to lay out paragraphs.
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*/
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class WXDLLIMPEXP_RICHTEXT wxRichTextParagraphLayoutBox: public wxRichTextBox
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{
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DECLARE_DYNAMIC_CLASS(wxRichTextParagraphLayoutBox)
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public:
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// Constructors
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wxRichTextParagraphLayoutBox(wxRichTextObject* parent = NULL);
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wxRichTextParagraphLayoutBox(const wxRichTextParagraphLayoutBox& obj): wxRichTextBox() { Init(); Copy(obj); }
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// Overrideables
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/// Draw the item
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virtual bool Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int style);
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/// Lay the item out
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virtual bool Layout(wxDC& dc, const wxRect& rect, int style);
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/// Get/set the object size for the given range. Returns false if the range
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/// is invalid for this object.
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virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
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/// Delete range
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virtual bool DeleteRange(const wxRichTextRange& range);
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/// Get any text in this object for the given range
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virtual wxString GetTextForRange(const wxRichTextRange& range) const;
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// Accessors
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/// Associate a control with the buffer, for operations that for example require refreshing the window.
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void SetRichTextCtrl(wxRichTextCtrl* ctrl) { m_ctrl = ctrl; }
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/// Get the associated control.
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wxRichTextCtrl* GetRichTextCtrl() const { return m_ctrl; }
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/// Get/set whether the last paragraph is partial or complete
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void SetPartialParagraph(bool partialPara) { m_partialParagraph = partialPara; }
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bool GetPartialParagraph() const { return m_partialParagraph; }
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/// If this is a buffer, returns the current style sheet. The base layout box
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/// class doesn't have an associated style sheet.
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virtual wxRichTextStyleSheet* GetStyleSheet() const { return NULL; }
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// Operations
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/// Initialize the object.
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void Init();
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/// Clear all children
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virtual void Clear();
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/// Clear and initialize with one blank paragraph
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virtual void Reset();
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/// Convenience function to add a paragraph of text
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virtual wxRichTextRange AddParagraph(const wxString& text, wxTextAttr* paraStyle = NULL);
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/// Convenience function to add an image
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virtual wxRichTextRange AddImage(const wxImage& image, wxTextAttr* paraStyle = NULL);
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/// Adds multiple paragraphs, based on newlines.
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virtual wxRichTextRange AddParagraphs(const wxString& text, wxTextAttr* paraStyle = NULL);
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/// Get the line at the given position. If caretPosition is true, the position is
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/// a caret position, which is normally a smaller number.
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virtual wxRichTextLine* GetLineAtPosition(long pos, bool caretPosition = false) const;
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/// Get the line at the given y pixel position, or the last line.
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virtual wxRichTextLine* GetLineAtYPosition(int y) const;
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/// Get the paragraph at the given character or caret position
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virtual wxRichTextParagraph* GetParagraphAtPosition(long pos, bool caretPosition = false) const;
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/// Get the line size at the given position
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virtual wxSize GetLineSizeAtPosition(long pos, bool caretPosition = false) const;
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/// Given a position, get the number of the visible line (potentially many to a paragraph),
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/// starting from zero at the start of the buffer. We also have to pass a bool (startOfLine)
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/// that indicates whether the caret is being shown at the end of the previous line or at the start
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/// of the next, since the caret can be shown at 2 visible positions for the same underlying
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/// position.
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virtual long GetVisibleLineNumber(long pos, bool caretPosition = false, bool startOfLine = false) const;
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/// Given a line number, get the corresponding wxRichTextLine object.
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virtual wxRichTextLine* GetLineForVisibleLineNumber(long lineNumber) const;
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/// Get the leaf object in a paragraph at this position.
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/// Given a line number, get the corresponding wxRichTextLine object.
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virtual wxRichTextObject* GetLeafObjectAtPosition(long position) const;
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/// Get the paragraph by number
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virtual wxRichTextParagraph* GetParagraphAtLine(long paragraphNumber) const;
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/// Get the paragraph for a given line
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virtual wxRichTextParagraph* GetParagraphForLine(wxRichTextLine* line) const;
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/// Get the length of the paragraph
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virtual int GetParagraphLength(long paragraphNumber) const;
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/// Get the number of paragraphs
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virtual int GetParagraphCount() const { return static_cast<int>(GetChildCount()); }
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/// Get the number of visible lines
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virtual int GetLineCount() const;
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/// Get the text of the paragraph
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virtual wxString GetParagraphText(long paragraphNumber) const;
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/// Convert zero-based line column and paragraph number to a position.
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virtual long XYToPosition(long x, long y) const;
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/// Convert zero-based position to line column and paragraph number
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virtual bool PositionToXY(long pos, long* x, long* y) const;
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/// Set text attributes: character and/or paragraph styles.
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virtual bool SetStyle(const wxRichTextRange& range, const wxTextAttr& style, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO);
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/// Get the conbined text attributes for this position.
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virtual bool GetStyle(long position, wxTextAttr& style);
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/// Get the content (uncombined) attributes for this position.
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virtual bool GetUncombinedStyle(long position, wxTextAttr& style);
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/// Implementation helper for GetStyle. If combineStyles is true, combine base, paragraph and
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/// context attributes.
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virtual bool DoGetStyle(long position, wxTextAttr& style, bool combineStyles = true);
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/// Get the combined style for a range - if any attribute is different within the range,
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/// that attribute is not present within the flags
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virtual bool GetStyleForRange(const wxRichTextRange& range, wxTextAttr& style);
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/// Combines 'style' with 'currentStyle' for the purpose of summarising the attributes of a range of
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/// content.
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bool CollectStyle(wxTextAttr& currentStyle, const wxTextAttr& style, long& multipleStyleAttributes, int& multipleTextEffectAttributes, int& absentStyleAttributes, int& absentTextEffectAttributes);
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/// Set list style
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virtual bool SetListStyle(const wxRichTextRange& range, wxRichTextListStyleDefinition* def, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int startFrom = 1, int specifiedLevel = -1);
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virtual bool SetListStyle(const wxRichTextRange& range, const wxString& defName, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int startFrom = 1, int specifiedLevel = -1);
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/// Clear list for given range
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virtual bool ClearListStyle(const wxRichTextRange& range, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO);
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/// Number/renumber any list elements in the given range.
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/// def/defName can be NULL/empty to indicate that the existing list style should be used.
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virtual bool NumberList(const wxRichTextRange& range, wxRichTextListStyleDefinition* def = NULL, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int startFrom = 1, int specifiedLevel = -1);
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virtual bool NumberList(const wxRichTextRange& range, const wxString& defName, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int startFrom = 1, int specifiedLevel = -1);
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/// Promote the list items within the given range. promoteBy can be a positive or negative number, e.g. 1 or -1
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/// def/defName can be NULL/empty to indicate that the existing list style should be used.
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virtual bool PromoteList(int promoteBy, const wxRichTextRange& range, wxRichTextListStyleDefinition* def = NULL, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int specifiedLevel = -1);
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virtual bool PromoteList(int promoteBy, const wxRichTextRange& range, const wxString& defName, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int specifiedLevel = -1);
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/// Helper for NumberList and PromoteList, that does renumbering and promotion simultaneously
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/// def/defName can be NULL/empty to indicate that the existing list style should be used.
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virtual bool DoNumberList(const wxRichTextRange& range, const wxRichTextRange& promotionRange, int promoteBy, wxRichTextListStyleDefinition* def, int flags = wxRICHTEXT_SETSTYLE_WITH_UNDO, int startFrom = 1, int specifiedLevel = -1);
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/// Fills in the attributes for numbering a paragraph after previousParagraph.
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virtual bool FindNextParagraphNumber(wxRichTextParagraph* previousParagraph, wxTextAttr& attr) const;
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/// Test if this whole range has character attributes of the specified kind. If any
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/// of the attributes are different within the range, the test fails. You
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/// can use this to implement, for example, bold button updating. style must have
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/// flags indicating which attributes are of interest.
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virtual bool HasCharacterAttributes(const wxRichTextRange& range, const wxTextAttr& style) const;
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/// Test if this whole range has paragraph attributes of the specified kind. If any
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/// of the attributes are different within the range, the test fails. You
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/// can use this to implement, for example, centering button updating. style must have
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/// flags indicating which attributes are of interest.
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virtual bool HasParagraphAttributes(const wxRichTextRange& range, const wxTextAttr& style) const;
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/// Clone
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virtual wxRichTextObject* Clone() const { return new wxRichTextParagraphLayoutBox(*this); }
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/// Insert fragment into this box at the given position. If partialParagraph is true,
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/// it is assumed that the last (or only) paragraph is just a piece of data with no paragraph
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/// marker.
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virtual bool InsertFragment(long position, wxRichTextParagraphLayoutBox& fragment);
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/// Make a copy of the fragment corresponding to the given range, putting it in 'fragment'.
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virtual bool CopyFragment(const wxRichTextRange& range, wxRichTextParagraphLayoutBox& fragment);
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/// Apply the style sheet to the buffer, for example if the styles have changed.
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virtual bool ApplyStyleSheet(wxRichTextStyleSheet* styleSheet);
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/// Copy
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void Copy(const wxRichTextParagraphLayoutBox& obj);
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/// Assignment
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void operator= (const wxRichTextParagraphLayoutBox& obj) { Copy(obj); }
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/// Calculate ranges
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virtual void UpdateRanges() { long end; CalculateRange(0, end); }
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/// Get all the text
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virtual wxString GetText() const;
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/// Set default style for new content. Setting it to a default attribute
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/// makes new content take on the 'basic' style.
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virtual bool SetDefaultStyle(const wxTextAttr& style);
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/// Get default style
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virtual const wxTextAttr& GetDefaultStyle() const { return m_defaultAttributes; }
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/// Set basic (overall) style
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virtual void SetBasicStyle(const wxTextAttr& style) { m_attributes = style; }
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/// Get basic (overall) style
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virtual const wxTextAttr& GetBasicStyle() const { return m_attributes; }
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/// Invalidate the buffer. With no argument, invalidates whole buffer.
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void Invalidate(const wxRichTextRange& invalidRange = wxRICHTEXT_ALL);
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/// Get invalid range, rounding to entire paragraphs if argument is true.
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wxRichTextRange GetInvalidRange(bool wholeParagraphs = false) const;
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protected:
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wxRichTextCtrl* m_ctrl;
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wxTextAttr m_defaultAttributes;
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/// The invalidated range that will need full layout
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wxRichTextRange m_invalidRange;
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// Is the last paragraph partial or complete?
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bool m_partialParagraph;
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};
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/*!
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* wxRichTextLine class declaration
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* This object represents a line in a paragraph, and stores
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* offsets from the start of the paragraph representing the
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* start and end positions of the line.
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*/
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class WXDLLIMPEXP_RICHTEXT wxRichTextLine
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{
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public:
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// Constructors
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wxRichTextLine(wxRichTextParagraph* parent);
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wxRichTextLine(const wxRichTextLine& obj) { Init( NULL); Copy(obj); }
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virtual ~wxRichTextLine() {}
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|
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// Overrideables
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// Accessors
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/// Set the range
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void SetRange(const wxRichTextRange& range) { m_range = range; }
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void SetRange(long from, long to) { m_range = wxRichTextRange(from, to); }
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/// Get the parent paragraph
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wxRichTextParagraph* GetParent() { return m_parent; }
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/// Get the range
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const wxRichTextRange& GetRange() const { return m_range; }
|
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wxRichTextRange& GetRange() { return m_range; }
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|
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/// Get the absolute range
|
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wxRichTextRange GetAbsoluteRange() const;
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|
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/// Get/set the line size as calculated by Layout.
|
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virtual wxSize GetSize() const { return m_size; }
|
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virtual void SetSize(const wxSize& sz) { m_size = sz; }
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|
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/// Get/set the object position relative to the parent
|
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virtual wxPoint GetPosition() const { return m_pos; }
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virtual void SetPosition(const wxPoint& pos) { m_pos = pos; }
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|
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/// Get the absolute object position
|
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virtual wxPoint GetAbsolutePosition() const;
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|
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/// Get the rectangle enclosing the line
|
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virtual wxRect GetRect() const { return wxRect(GetAbsolutePosition(), GetSize()); }
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/// Set/get stored descent
|
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void SetDescent(int descent) { m_descent = descent; }
|
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int GetDescent() const { return m_descent; }
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|
|
#if wxRICHTEXT_USE_OPTIMIZED_LINE_DRAWING
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wxArrayInt& GetObjectSizes() { return m_objectSizes; }
|
|
const wxArrayInt& GetObjectSizes() const { return m_objectSizes; }
|
|
#endif
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|
|
// Operations
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|
|
|
/// Initialisation
|
|
void Init(wxRichTextParagraph* parent);
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|
|
/// Copy
|
|
void Copy(const wxRichTextLine& obj);
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|
|
/// Clone
|
|
virtual wxRichTextLine* Clone() const { return new wxRichTextLine(*this); }
|
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|
|
protected:
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|
|
|
/// The range of the line (start position to end position)
|
|
/// This is relative to the parent paragraph.
|
|
wxRichTextRange m_range;
|
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|
|
/// Size and position measured relative to top of paragraph
|
|
wxPoint m_pos;
|
|
wxSize m_size;
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|
|
/// Maximum descent for this line (location of text baseline)
|
|
int m_descent;
|
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|
|
// The parent object
|
|
wxRichTextParagraph* m_parent;
|
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|
|
#if wxRICHTEXT_USE_OPTIMIZED_LINE_DRAWING
|
|
wxArrayInt m_objectSizes;
|
|
#endif
|
|
};
|
|
|
|
WX_DECLARE_LIST_WITH_DECL( wxRichTextLine, wxRichTextLineList , class WXDLLIMPEXP_RICHTEXT );
|
|
|
|
/*!
|
|
* wxRichTextParagraph class declaration
|
|
* This object represents a single paragraph (or in a straight text editor, a line).
|
|
*/
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextParagraph: public wxRichTextBox
|
|
{
|
|
DECLARE_DYNAMIC_CLASS(wxRichTextParagraph)
|
|
public:
|
|
// Constructors
|
|
|
|
wxRichTextParagraph(wxRichTextObject* parent = NULL, wxTextAttr* style = NULL);
|
|
wxRichTextParagraph(const wxString& text, wxRichTextObject* parent = NULL, wxTextAttr* paraStyle = NULL, wxTextAttr* charStyle = NULL);
|
|
virtual ~wxRichTextParagraph();
|
|
wxRichTextParagraph(const wxRichTextParagraph& obj): wxRichTextBox() { Copy(obj); }
|
|
|
|
// Overrideables
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|
|
|
/// Draw the item
|
|
virtual bool Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int style);
|
|
|
|
/// Lay the item out
|
|
virtual bool Layout(wxDC& dc, const wxRect& rect, int style);
|
|
|
|
/// Get/set the object size for the given range. Returns false if the range
|
|
/// is invalid for this object.
|
|
virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
|
|
|
|
/// Finds the absolute position and row height for the given character position
|
|
virtual bool FindPosition(wxDC& dc, long index, wxPoint& pt, int* height, bool forceLineStart);
|
|
|
|
/// Hit-testing: returns a flag indicating hit test details, plus
|
|
/// information about position
|
|
virtual int HitTest(wxDC& dc, const wxPoint& pt, long& textPosition);
|
|
|
|
/// Calculate range
|
|
virtual void CalculateRange(long start, long& end);
|
|
|
|
// Accessors
|
|
|
|
/// Get the cached lines
|
|
wxRichTextLineList& GetLines() { return m_cachedLines; }
|
|
|
|
// Operations
|
|
|
|
/// Copy
|
|
void Copy(const wxRichTextParagraph& obj);
|
|
|
|
/// Clone
|
|
virtual wxRichTextObject* Clone() const { return new wxRichTextParagraph(*this); }
|
|
|
|
/// Clear the cached lines
|
|
void ClearLines();
|
|
|
|
// Implementation
|
|
|
|
/// Apply paragraph styles such as centering to the wrapped lines
|
|
virtual void ApplyParagraphStyle(const wxTextAttr& attr, const wxRect& rect, wxDC& dc);
|
|
|
|
/// Insert text at the given position
|
|
virtual bool InsertText(long pos, const wxString& text);
|
|
|
|
/// Split an object at this position if necessary, and return
|
|
/// the previous object, or NULL if inserting at beginning.
|
|
virtual wxRichTextObject* SplitAt(long pos, wxRichTextObject** previousObject = NULL);
|
|
|
|
/// Move content to a list from this point
|
|
virtual void MoveToList(wxRichTextObject* obj, wxList& list);
|
|
|
|
/// Add content back from list
|
|
virtual void MoveFromList(wxList& list);
|
|
|
|
/// Get the plain text searching from the start or end of the range.
|
|
/// The resulting string may be shorter than the range given.
|
|
bool GetContiguousPlainText(wxString& text, const wxRichTextRange& range, bool fromStart = true);
|
|
|
|
/// Find a suitable wrap position. wrapPosition is the last position in the line to the left
|
|
/// of the split.
|
|
bool FindWrapPosition(const wxRichTextRange& range, wxDC& dc, int availableSpace, long& wrapPosition, wxArrayInt* partialExtents);
|
|
|
|
/// Find the object at the given position
|
|
wxRichTextObject* FindObjectAtPosition(long position);
|
|
|
|
/// Get the bullet text for this paragraph.
|
|
wxString GetBulletText();
|
|
|
|
/// Allocate or reuse a line object
|
|
wxRichTextLine* AllocateLine(int pos);
|
|
|
|
/// Clear remaining unused line objects, if any
|
|
bool ClearUnusedLines(int lineCount);
|
|
|
|
/// Get combined attributes of the base style, paragraph style and character style. We use this to dynamically
|
|
/// retrieve the actual style.
|
|
wxTextAttr GetCombinedAttributes(const wxTextAttr& contentStyle) const;
|
|
|
|
/// Get combined attributes of the base style and paragraph style.
|
|
wxTextAttr GetCombinedAttributes() const;
|
|
|
|
/// Get the first position from pos that has a line break character.
|
|
long GetFirstLineBreakPosition(long pos);
|
|
|
|
/// Create default tabstop array
|
|
static void InitDefaultTabs();
|
|
|
|
/// Clear default tabstop array
|
|
static void ClearDefaultTabs();
|
|
|
|
/// Get default tabstop array
|
|
static const wxArrayInt& GetDefaultTabs() { return sm_defaultTabs; }
|
|
|
|
protected:
|
|
/// The lines that make up the wrapped paragraph
|
|
wxRichTextLineList m_cachedLines;
|
|
|
|
/// Default tabstops
|
|
static wxArrayInt sm_defaultTabs;
|
|
};
|
|
|
|
/*!
|
|
* wxRichTextPlainText class declaration
|
|
* This object represents a single piece of text.
|
|
*/
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextPlainText: public wxRichTextObject
|
|
{
|
|
DECLARE_DYNAMIC_CLASS(wxRichTextPlainText)
|
|
public:
|
|
// Constructors
|
|
|
|
wxRichTextPlainText(const wxString& text = wxEmptyString, wxRichTextObject* parent = NULL, wxTextAttr* style = NULL);
|
|
wxRichTextPlainText(const wxRichTextPlainText& obj): wxRichTextObject() { Copy(obj); }
|
|
|
|
// Overrideables
|
|
|
|
/// Draw the item
|
|
virtual bool Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int style);
|
|
|
|
/// Lay the item out
|
|
virtual bool Layout(wxDC& dc, const wxRect& rect, int style);
|
|
|
|
/// Get/set the object size for the given range. Returns false if the range
|
|
/// is invalid for this object.
|
|
virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
|
|
|
|
/// Get any text in this object for the given range
|
|
virtual wxString GetTextForRange(const wxRichTextRange& range) const;
|
|
|
|
/// Do a split, returning an object containing the second part, and setting
|
|
/// the first part in 'this'.
|
|
virtual wxRichTextObject* DoSplit(long pos);
|
|
|
|
/// Calculate range
|
|
virtual void CalculateRange(long start, long& end);
|
|
|
|
/// Delete range
|
|
virtual bool DeleteRange(const wxRichTextRange& range);
|
|
|
|
/// Returns true if the object is empty
|
|
virtual bool IsEmpty() const { return m_text.empty(); }
|
|
|
|
/// Returns true if this object can merge itself with the given one.
|
|
virtual bool CanMerge(wxRichTextObject* object) const;
|
|
|
|
/// Returns true if this object merged itself with the given one.
|
|
/// The calling code will then delete the given object.
|
|
virtual bool Merge(wxRichTextObject* object);
|
|
|
|
/// Dump to output stream for debugging
|
|
virtual void Dump(wxTextOutputStream& stream);
|
|
|
|
/// Get the first position from pos that has a line break character.
|
|
long GetFirstLineBreakPosition(long pos);
|
|
|
|
// Accessors
|
|
|
|
/// Get the text
|
|
const wxString& GetText() const { return m_text; }
|
|
|
|
/// Set the text
|
|
void SetText(const wxString& text) { m_text = text; }
|
|
|
|
// Operations
|
|
|
|
/// Copy
|
|
void Copy(const wxRichTextPlainText& obj);
|
|
|
|
/// Clone
|
|
virtual wxRichTextObject* Clone() const { return new wxRichTextPlainText(*this); }
|
|
private:
|
|
bool DrawTabbedString(wxDC& dc, const wxTextAttr& attr, const wxRect& rect, wxString& str, wxCoord& x, wxCoord& y, bool selected);
|
|
|
|
protected:
|
|
wxString m_text;
|
|
};
|
|
|
|
/*!
|
|
* wxRichTextImageBlock stores information about an image, in binary in-memory form
|
|
*/
|
|
|
|
class WXDLLIMPEXP_FWD_BASE wxDataInputStream;
|
|
class WXDLLIMPEXP_FWD_BASE wxDataOutputStream;
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextImageBlock: public wxObject
|
|
{
|
|
public:
|
|
wxRichTextImageBlock();
|
|
wxRichTextImageBlock(const wxRichTextImageBlock& block);
|
|
virtual ~wxRichTextImageBlock();
|
|
|
|
void Init();
|
|
void Clear();
|
|
|
|
// Load the original image into a memory block.
|
|
// If the image is not a JPEG, we must convert it into a JPEG
|
|
// to conserve space.
|
|
// If it's not a JPEG we can make use of 'image', already scaled, so we don't have to
|
|
// load the image a 2nd time.
|
|
virtual bool MakeImageBlock(const wxString& filename, wxBitmapType imageType,
|
|
wxImage& image, bool convertToJPEG = true);
|
|
|
|
// Make an image block from the wxImage in the given
|
|
// format.
|
|
virtual bool MakeImageBlock(wxImage& image, wxBitmapType imageType, int quality = 80);
|
|
|
|
// Write to a file
|
|
bool Write(const wxString& filename);
|
|
|
|
// Write data in hex to a stream
|
|
bool WriteHex(wxOutputStream& stream);
|
|
|
|
// Read data in hex from a stream
|
|
bool ReadHex(wxInputStream& stream, int length, wxBitmapType imageType);
|
|
|
|
// Copy from 'block'
|
|
void Copy(const wxRichTextImageBlock& block);
|
|
|
|
// Load a wxImage from the block
|
|
bool Load(wxImage& image);
|
|
|
|
//// Operators
|
|
void operator=(const wxRichTextImageBlock& block);
|
|
|
|
//// Accessors
|
|
|
|
unsigned char* GetData() const { return m_data; }
|
|
size_t GetDataSize() const { return m_dataSize; }
|
|
wxBitmapType GetImageType() const { return m_imageType; }
|
|
|
|
void SetData(unsigned char* image) { m_data = image; }
|
|
void SetDataSize(size_t size) { m_dataSize = size; }
|
|
void SetImageType(wxBitmapType imageType) { m_imageType = imageType; }
|
|
|
|
bool Ok() const { return IsOk(); }
|
|
bool IsOk() const { return GetData() != NULL; }
|
|
|
|
// Gets the extension for the block's type
|
|
wxString GetExtension() const;
|
|
|
|
/// Implementation
|
|
|
|
// Allocate and read from stream as a block of memory
|
|
static unsigned char* ReadBlock(wxInputStream& stream, size_t size);
|
|
static unsigned char* ReadBlock(const wxString& filename, size_t size);
|
|
|
|
// Write memory block to stream
|
|
static bool WriteBlock(wxOutputStream& stream, unsigned char* block, size_t size);
|
|
|
|
// Write memory block to file
|
|
static bool WriteBlock(const wxString& filename, unsigned char* block, size_t size);
|
|
|
|
protected:
|
|
// Size in bytes of the image stored.
|
|
// This is in the raw, original form such as a JPEG file.
|
|
unsigned char* m_data;
|
|
size_t m_dataSize;
|
|
wxBitmapType m_imageType;
|
|
};
|
|
|
|
|
|
/*!
|
|
* wxRichTextImage class declaration
|
|
* This object represents an image.
|
|
*/
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextImage: public wxRichTextObject
|
|
{
|
|
DECLARE_DYNAMIC_CLASS(wxRichTextImage)
|
|
public:
|
|
// Constructors
|
|
|
|
wxRichTextImage(wxRichTextObject* parent = NULL): wxRichTextObject(parent) { }
|
|
wxRichTextImage(const wxImage& image, wxRichTextObject* parent = NULL, wxTextAttr* charStyle = NULL);
|
|
wxRichTextImage(const wxRichTextImageBlock& imageBlock, wxRichTextObject* parent = NULL, wxTextAttr* charStyle = NULL);
|
|
wxRichTextImage(const wxRichTextImage& obj): wxRichTextObject() { Copy(obj); }
|
|
|
|
// Overrideables
|
|
|
|
/// Draw the item
|
|
virtual bool Draw(wxDC& dc, const wxRichTextRange& range, const wxRichTextRange& selectionRange, const wxRect& rect, int descent, int style);
|
|
|
|
/// Lay the item out
|
|
virtual bool Layout(wxDC& dc, const wxRect& rect, int style);
|
|
|
|
/// Get the object size for the given range. Returns false if the range
|
|
/// is invalid for this object.
|
|
virtual bool GetRangeSize(const wxRichTextRange& range, wxSize& size, int& descent, wxDC& dc, int flags, wxPoint position = wxPoint(0,0), wxArrayInt* partialExtents = NULL) const;
|
|
|
|
/// Returns true if the object is empty
|
|
virtual bool IsEmpty() const { return !m_image.Ok(); }
|
|
|
|
// Accessors
|
|
|
|
/// Get the image
|
|
const wxImage& GetImage() const { return m_image; }
|
|
|
|
/// Set the image
|
|
void SetImage(const wxImage& image) { m_image = image; }
|
|
|
|
/// Get the image block containing the raw data
|
|
wxRichTextImageBlock& GetImageBlock() { return m_imageBlock; }
|
|
|
|
// Operations
|
|
|
|
/// Copy
|
|
void Copy(const wxRichTextImage& obj);
|
|
|
|
/// Clone
|
|
virtual wxRichTextObject* Clone() const { return new wxRichTextImage(*this); }
|
|
|
|
/// Load wxImage from the block
|
|
virtual bool LoadFromBlock();
|
|
|
|
/// Make block from the wxImage
|
|
virtual bool MakeBlock();
|
|
|
|
protected:
|
|
// TODO: reduce the multiple representations of data
|
|
wxImage m_image;
|
|
wxBitmap m_bitmap;
|
|
wxRichTextImageBlock m_imageBlock;
|
|
};
|
|
|
|
|
|
/*!
|
|
* wxRichTextBuffer class declaration
|
|
* This is a kind of box, used to represent the whole buffer
|
|
*/
|
|
|
|
class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextCommand;
|
|
class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextAction;
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextBuffer: public wxRichTextParagraphLayoutBox
|
|
{
|
|
DECLARE_DYNAMIC_CLASS(wxRichTextBuffer)
|
|
public:
|
|
// Constructors
|
|
|
|
wxRichTextBuffer() { Init(); }
|
|
wxRichTextBuffer(const wxRichTextBuffer& obj): wxRichTextParagraphLayoutBox() { Init(); Copy(obj); }
|
|
virtual ~wxRichTextBuffer() ;
|
|
|
|
// Accessors
|
|
|
|
/// Gets the command processor
|
|
wxCommandProcessor* GetCommandProcessor() const { return m_commandProcessor; }
|
|
|
|
/// Set style sheet, if any.
|
|
void SetStyleSheet(wxRichTextStyleSheet* styleSheet) { m_styleSheet = styleSheet; }
|
|
virtual wxRichTextStyleSheet* GetStyleSheet() const { return m_styleSheet; }
|
|
|
|
/// Set style sheet and notify of the change
|
|
bool SetStyleSheetAndNotify(wxRichTextStyleSheet* sheet);
|
|
|
|
/// Push style sheet to top of stack
|
|
bool PushStyleSheet(wxRichTextStyleSheet* styleSheet);
|
|
|
|
/// Pop style sheet from top of stack
|
|
wxRichTextStyleSheet* PopStyleSheet();
|
|
|
|
/// Set/get table storing fonts
|
|
wxRichTextFontTable& GetFontTable() { return m_fontTable; }
|
|
const wxRichTextFontTable& GetFontTable() const { return m_fontTable; }
|
|
void SetFontTable(const wxRichTextFontTable& table) { m_fontTable = table; }
|
|
|
|
// Operations
|
|
|
|
/// Initialisation
|
|
void Init();
|
|
|
|
/// Clears the buffer, adds an empty paragraph, and clears the command processor.
|
|
virtual void ResetAndClearCommands();
|
|
|
|
/// Load a file
|
|
virtual bool LoadFile(const wxString& filename, wxRichTextFileType type = wxRICHTEXT_TYPE_ANY);
|
|
|
|
/// Save a file
|
|
virtual bool SaveFile(const wxString& filename, wxRichTextFileType type = wxRICHTEXT_TYPE_ANY);
|
|
|
|
/// Load from a stream
|
|
virtual bool LoadFile(wxInputStream& stream, wxRichTextFileType type = wxRICHTEXT_TYPE_ANY);
|
|
|
|
/// Save to a stream
|
|
virtual bool SaveFile(wxOutputStream& stream, wxRichTextFileType type = wxRICHTEXT_TYPE_ANY);
|
|
|
|
/// Set the handler flags, controlling loading and saving
|
|
void SetHandlerFlags(int flags) { m_handlerFlags = flags; }
|
|
|
|
/// Get the handler flags, controlling loading and saving
|
|
int GetHandlerFlags() const { return m_handlerFlags; }
|
|
|
|
/// Convenience function to add a paragraph of text
|
|
virtual wxRichTextRange AddParagraph(const wxString& text, wxTextAttr* paraStyle = NULL) { Modify(); return wxRichTextParagraphLayoutBox::AddParagraph(text, paraStyle); }
|
|
|
|
/// Begin collapsing undo/redo commands. Note that this may not work properly
|
|
/// if combining commands that delete or insert content, changing ranges for
|
|
/// subsequent actions.
|
|
virtual bool BeginBatchUndo(const wxString& cmdName);
|
|
|
|
/// End collapsing undo/redo commands
|
|
virtual bool EndBatchUndo();
|
|
|
|
/// Collapsing commands?
|
|
virtual bool BatchingUndo() const { return m_batchedCommandDepth > 0; }
|
|
|
|
/// Submit immediately, or delay according to whether collapsing is on
|
|
virtual bool SubmitAction(wxRichTextAction* action);
|
|
|
|
/// Get collapsed command
|
|
virtual wxRichTextCommand* GetBatchedCommand() const { return m_batchedCommand; }
|
|
|
|
/// Begin suppressing undo/redo commands. The way undo is suppressed may be implemented
|
|
/// differently by each command. If not dealt with by a command implementation, then
|
|
/// it will be implemented automatically by not storing the command in the undo history
|
|
/// when the action is submitted to the command processor.
|
|
virtual bool BeginSuppressUndo();
|
|
|
|
/// End suppressing undo/redo commands.
|
|
virtual bool EndSuppressUndo();
|
|
|
|
/// Collapsing commands?
|
|
virtual bool SuppressingUndo() const { return m_suppressUndo > 0; }
|
|
|
|
/// Copy the range to the clipboard
|
|
virtual bool CopyToClipboard(const wxRichTextRange& range);
|
|
|
|
/// Paste the clipboard content to the buffer
|
|
virtual bool PasteFromClipboard(long position);
|
|
|
|
/// Can we paste from the clipboard?
|
|
virtual bool CanPasteFromClipboard() const;
|
|
|
|
/// Begin using a style
|
|
virtual bool BeginStyle(const wxTextAttr& style);
|
|
|
|
/// End the style
|
|
virtual bool EndStyle();
|
|
|
|
/// End all styles
|
|
virtual bool EndAllStyles();
|
|
|
|
/// Clear the style stack
|
|
virtual void ClearStyleStack();
|
|
|
|
/// Get the size of the style stack, for example to check correct nesting
|
|
virtual size_t GetStyleStackSize() const { return m_attributeStack.GetCount(); }
|
|
|
|
/// Begin using bold
|
|
bool BeginBold();
|
|
|
|
/// End using bold
|
|
bool EndBold() { return EndStyle(); }
|
|
|
|
/// Begin using italic
|
|
bool BeginItalic();
|
|
|
|
/// End using italic
|
|
bool EndItalic() { return EndStyle(); }
|
|
|
|
/// Begin using underline
|
|
bool BeginUnderline();
|
|
|
|
/// End using underline
|
|
bool EndUnderline() { return EndStyle(); }
|
|
|
|
/// Begin using point size
|
|
bool BeginFontSize(int pointSize);
|
|
|
|
/// End using point size
|
|
bool EndFontSize() { return EndStyle(); }
|
|
|
|
/// Begin using this font
|
|
bool BeginFont(const wxFont& font);
|
|
|
|
/// End using a font
|
|
bool EndFont() { return EndStyle(); }
|
|
|
|
/// Begin using this colour
|
|
bool BeginTextColour(const wxColour& colour);
|
|
|
|
/// End using a colour
|
|
bool EndTextColour() { return EndStyle(); }
|
|
|
|
/// Begin using alignment
|
|
bool BeginAlignment(wxTextAttrAlignment alignment);
|
|
|
|
/// End alignment
|
|
bool EndAlignment() { return EndStyle(); }
|
|
|
|
/// Begin left indent
|
|
bool BeginLeftIndent(int leftIndent, int leftSubIndent = 0);
|
|
|
|
/// End left indent
|
|
bool EndLeftIndent() { return EndStyle(); }
|
|
|
|
/// Begin right indent
|
|
bool BeginRightIndent(int rightIndent);
|
|
|
|
/// End right indent
|
|
bool EndRightIndent() { return EndStyle(); }
|
|
|
|
/// Begin paragraph spacing
|
|
bool BeginParagraphSpacing(int before, int after);
|
|
|
|
/// End paragraph spacing
|
|
bool EndParagraphSpacing() { return EndStyle(); }
|
|
|
|
/// Begin line spacing
|
|
bool BeginLineSpacing(int lineSpacing);
|
|
|
|
/// End line spacing
|
|
bool EndLineSpacing() { return EndStyle(); }
|
|
|
|
/// Begin numbered bullet
|
|
bool BeginNumberedBullet(int bulletNumber, int leftIndent, int leftSubIndent, int bulletStyle = wxTEXT_ATTR_BULLET_STYLE_ARABIC|wxTEXT_ATTR_BULLET_STYLE_PERIOD);
|
|
|
|
/// End numbered bullet
|
|
bool EndNumberedBullet() { return EndStyle(); }
|
|
|
|
/// Begin symbol bullet
|
|
bool BeginSymbolBullet(const wxString& symbol, int leftIndent, int leftSubIndent, int bulletStyle = wxTEXT_ATTR_BULLET_STYLE_SYMBOL);
|
|
|
|
/// End symbol bullet
|
|
bool EndSymbolBullet() { return EndStyle(); }
|
|
|
|
/// Begin standard bullet
|
|
bool BeginStandardBullet(const wxString& bulletName, int leftIndent, int leftSubIndent, int bulletStyle = wxTEXT_ATTR_BULLET_STYLE_STANDARD);
|
|
|
|
/// End standard bullet
|
|
bool EndStandardBullet() { return EndStyle(); }
|
|
|
|
/// Begin named character style
|
|
bool BeginCharacterStyle(const wxString& characterStyle);
|
|
|
|
/// End named character style
|
|
bool EndCharacterStyle() { return EndStyle(); }
|
|
|
|
/// Begin named paragraph style
|
|
bool BeginParagraphStyle(const wxString& paragraphStyle);
|
|
|
|
/// End named character style
|
|
bool EndParagraphStyle() { return EndStyle(); }
|
|
|
|
/// Begin named list style
|
|
bool BeginListStyle(const wxString& listStyle, int level = 1, int number = 1);
|
|
|
|
/// End named character style
|
|
bool EndListStyle() { return EndStyle(); }
|
|
|
|
/// Begin URL
|
|
bool BeginURL(const wxString& url, const wxString& characterStyle = wxEmptyString);
|
|
|
|
/// End URL
|
|
bool EndURL() { return EndStyle(); }
|
|
|
|
// Event handling
|
|
|
|
/// Add an event handler
|
|
bool AddEventHandler(wxEvtHandler* handler);
|
|
|
|
/// Remove an event handler
|
|
bool RemoveEventHandler(wxEvtHandler* handler, bool deleteHandler = false);
|
|
|
|
/// Clear event handlers
|
|
void ClearEventHandlers();
|
|
|
|
/// Send event to event handlers. If sendToAll is true, will send to all event handlers,
|
|
/// otherwise will stop at the first successful one.
|
|
bool SendEvent(wxEvent& event, bool sendToAll = true);
|
|
|
|
// Implementation
|
|
|
|
/// Copy
|
|
void Copy(const wxRichTextBuffer& obj);
|
|
|
|
/// Clone
|
|
virtual wxRichTextObject* Clone() const { return new wxRichTextBuffer(*this); }
|
|
|
|
/// Submit command to insert paragraphs
|
|
bool InsertParagraphsWithUndo(long pos, const wxRichTextParagraphLayoutBox& paragraphs, wxRichTextCtrl* ctrl, int flags = 0);
|
|
|
|
/// Submit command to insert the given text
|
|
bool InsertTextWithUndo(long pos, const wxString& text, wxRichTextCtrl* ctrl, int flags = 0);
|
|
|
|
/// Submit command to insert a newline
|
|
bool InsertNewlineWithUndo(long pos, wxRichTextCtrl* ctrl, int flags = 0);
|
|
|
|
/// Submit command to insert the given image
|
|
bool InsertImageWithUndo(long pos, const wxRichTextImageBlock& imageBlock, wxRichTextCtrl* ctrl, int flags = 0);
|
|
|
|
/// Submit command to delete this range
|
|
bool DeleteRangeWithUndo(const wxRichTextRange& range, wxRichTextCtrl* ctrl);
|
|
|
|
/// Mark modified
|
|
void Modify(bool modify = true) { m_modified = modify; }
|
|
bool IsModified() const { return m_modified; }
|
|
|
|
/// Get the style that is appropriate for a new paragraph at this position.
|
|
/// If the previous paragraph has a paragraph style name, look up the next-paragraph
|
|
/// style.
|
|
wxTextAttr GetStyleForNewParagraph(long pos, bool caretPosition = false, bool lookUpNewParaStyle=false) const;
|
|
|
|
/// Dumps contents of buffer for debugging purposes
|
|
virtual void Dump();
|
|
virtual void Dump(wxTextOutputStream& stream) { wxRichTextParagraphLayoutBox::Dump(stream); }
|
|
|
|
/// Returns the file handlers
|
|
static wxList& GetHandlers() { return sm_handlers; }
|
|
|
|
/// Adds a handler to the end
|
|
static void AddHandler(wxRichTextFileHandler *handler);
|
|
|
|
/// Inserts a handler at the front
|
|
static void InsertHandler(wxRichTextFileHandler *handler);
|
|
|
|
/// Removes a handler
|
|
static bool RemoveHandler(const wxString& name);
|
|
|
|
/// Finds a handler by name
|
|
static wxRichTextFileHandler *FindHandler(const wxString& name);
|
|
|
|
/// Finds a handler by extension and type
|
|
static wxRichTextFileHandler *FindHandler(const wxString& extension, wxRichTextFileType imageType);
|
|
|
|
/// Finds a handler by filename or, if supplied, type
|
|
static wxRichTextFileHandler *FindHandlerFilenameOrType(const wxString& filename,
|
|
wxRichTextFileType imageType);
|
|
|
|
/// Finds a handler by type
|
|
static wxRichTextFileHandler *FindHandler(wxRichTextFileType imageType);
|
|
|
|
/// Gets a wildcard incorporating all visible handlers. If 'types' is present,
|
|
/// will be filled with the file type corresponding to each filter. This can be
|
|
/// used to determine the type to pass to LoadFile given a selected filter.
|
|
static wxString GetExtWildcard(bool combine = false, bool save = false, wxArrayInt* types = NULL);
|
|
|
|
/// Clean up handlers
|
|
static void CleanUpHandlers();
|
|
|
|
/// Initialise the standard handlers
|
|
static void InitStandardHandlers();
|
|
|
|
/// Get renderer
|
|
static wxRichTextRenderer* GetRenderer() { return sm_renderer; }
|
|
|
|
/// Set renderer, deleting old one
|
|
static void SetRenderer(wxRichTextRenderer* renderer);
|
|
|
|
/// Minimum margin between bullet and paragraph in 10ths of a mm
|
|
static int GetBulletRightMargin() { return sm_bulletRightMargin; }
|
|
static void SetBulletRightMargin(int margin) { sm_bulletRightMargin = margin; }
|
|
|
|
/// Factor to multiply by character height to get a reasonable bullet size
|
|
static float GetBulletProportion() { return sm_bulletProportion; }
|
|
static void SetBulletProportion(float prop) { sm_bulletProportion = prop; }
|
|
|
|
/// Scale factor for calculating dimensions
|
|
double GetScale() const { return m_scale; }
|
|
void SetScale(double scale) { m_scale = scale; }
|
|
|
|
protected:
|
|
|
|
/// Command processor
|
|
wxCommandProcessor* m_commandProcessor;
|
|
|
|
/// Table storing fonts
|
|
wxRichTextFontTable m_fontTable;
|
|
|
|
/// Has been modified?
|
|
bool m_modified;
|
|
|
|
/// Collapsed command stack
|
|
int m_batchedCommandDepth;
|
|
|
|
/// Name for collapsed command
|
|
wxString m_batchedCommandsName;
|
|
|
|
/// Current collapsed command accumulating actions
|
|
wxRichTextCommand* m_batchedCommand;
|
|
|
|
/// Whether to suppress undo
|
|
int m_suppressUndo;
|
|
|
|
/// Style sheet, if any
|
|
wxRichTextStyleSheet* m_styleSheet;
|
|
|
|
/// List of event handlers that will be notified of events
|
|
wxList m_eventHandlers;
|
|
|
|
/// Stack of attributes for convenience functions
|
|
wxList m_attributeStack;
|
|
|
|
/// Flags to be passed to handlers
|
|
int m_handlerFlags;
|
|
|
|
/// File handlers
|
|
static wxList sm_handlers;
|
|
|
|
/// Renderer
|
|
static wxRichTextRenderer* sm_renderer;
|
|
|
|
/// Minimum margin between bullet and paragraph in 10ths of a mm
|
|
static int sm_bulletRightMargin;
|
|
|
|
/// Factor to multiply by character height to get a reasonable bullet size
|
|
static float sm_bulletProportion;
|
|
|
|
/// Scaling factor in use: needed to calculate correct dimensions when printing
|
|
double m_scale;
|
|
};
|
|
|
|
/*!
|
|
* The command identifiers
|
|
*
|
|
*/
|
|
|
|
enum wxRichTextCommandId
|
|
{
|
|
wxRICHTEXT_INSERT,
|
|
wxRICHTEXT_DELETE,
|
|
wxRICHTEXT_CHANGE_STYLE
|
|
};
|
|
|
|
/*!
|
|
* Command classes for undo/redo
|
|
*
|
|
*/
|
|
|
|
class WXDLLIMPEXP_FWD_RICHTEXT wxRichTextAction;
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextCommand: public wxCommand
|
|
{
|
|
public:
|
|
// Ctor for one action
|
|
wxRichTextCommand(const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer,
|
|
wxRichTextCtrl* ctrl, bool ignoreFirstTime = false);
|
|
|
|
// Ctor for multiple actions
|
|
wxRichTextCommand(const wxString& name);
|
|
|
|
virtual ~wxRichTextCommand();
|
|
|
|
bool Do();
|
|
bool Undo();
|
|
|
|
void AddAction(wxRichTextAction* action);
|
|
void ClearActions();
|
|
|
|
wxList& GetActions() { return m_actions; }
|
|
|
|
protected:
|
|
|
|
wxList m_actions;
|
|
};
|
|
|
|
/*!
|
|
* wxRichTextAction class declaration
|
|
* There can be more than one action in a command.
|
|
*/
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextAction: public wxObject
|
|
{
|
|
public:
|
|
wxRichTextAction(wxRichTextCommand* cmd, const wxString& name, wxRichTextCommandId id, wxRichTextBuffer* buffer,
|
|
wxRichTextCtrl* ctrl, bool ignoreFirstTime = false);
|
|
|
|
virtual ~wxRichTextAction();
|
|
|
|
bool Do();
|
|
bool Undo();
|
|
|
|
/// Update the control appearance
|
|
void UpdateAppearance(long caretPosition, bool sendUpdateEvent = false,
|
|
wxArrayInt* optimizationLineCharPositions = NULL, wxArrayInt* optimizationLineYPositions = NULL, bool isDoCmd = true);
|
|
|
|
/// Replace the buffer paragraphs with the given fragment.
|
|
void ApplyParagraphs(const wxRichTextParagraphLayoutBox& fragment);
|
|
|
|
/// Get the fragments
|
|
wxRichTextParagraphLayoutBox& GetNewParagraphs() { return m_newParagraphs; }
|
|
wxRichTextParagraphLayoutBox& GetOldParagraphs() { return m_oldParagraphs; }
|
|
|
|
/// Calculate arrays for refresh optimization
|
|
void CalculateRefreshOptimizations(wxArrayInt& optimizationLineCharPositions, wxArrayInt& optimizationLineYPositions);
|
|
|
|
/// Set/get the position used for e.g. insertion
|
|
void SetPosition(long pos) { m_position = pos; }
|
|
long GetPosition() const { return m_position; }
|
|
|
|
/// Set/get the range for e.g. deletion
|
|
void SetRange(const wxRichTextRange& range) { m_range = range; }
|
|
const wxRichTextRange& GetRange() const { return m_range; }
|
|
|
|
/// Get name
|
|
const wxString& GetName() const { return m_name; }
|
|
|
|
protected:
|
|
// Action name
|
|
wxString m_name;
|
|
|
|
// Buffer
|
|
wxRichTextBuffer* m_buffer;
|
|
|
|
// Control
|
|
wxRichTextCtrl* m_ctrl;
|
|
|
|
// Stores the new paragraphs
|
|
wxRichTextParagraphLayoutBox m_newParagraphs;
|
|
|
|
// Stores the old paragraphs
|
|
wxRichTextParagraphLayoutBox m_oldParagraphs;
|
|
|
|
// The affected range
|
|
wxRichTextRange m_range;
|
|
|
|
// The insertion point for this command
|
|
long m_position;
|
|
|
|
// Ignore 1st 'Do' operation because we already did it
|
|
bool m_ignoreThis;
|
|
|
|
// The command identifier
|
|
wxRichTextCommandId m_cmdId;
|
|
};
|
|
|
|
/*!
|
|
* Handler flags
|
|
*/
|
|
|
|
// Include style sheet when loading and saving
|
|
#define wxRICHTEXT_HANDLER_INCLUDE_STYLESHEET 0x0001
|
|
|
|
// Save images to memory file system in HTML handler
|
|
#define wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_MEMORY 0x0010
|
|
|
|
// Save images to files in HTML handler
|
|
#define wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_FILES 0x0020
|
|
|
|
// Save images as inline base64 data in HTML handler
|
|
#define wxRICHTEXT_HANDLER_SAVE_IMAGES_TO_BASE64 0x0040
|
|
|
|
// Don't write header and footer (or BODY), so we can include the fragment
|
|
// in a larger document
|
|
#define wxRICHTEXT_HANDLER_NO_HEADER_FOOTER 0x0080
|
|
|
|
// Convert the more common face names to names that will work on the current platform
|
|
// in a larger document
|
|
#define wxRICHTEXT_HANDLER_CONVERT_FACENAMES 0x0100
|
|
|
|
/*!
|
|
* wxRichTextFileHandler
|
|
* Base class for file handlers
|
|
*/
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextFileHandler: public wxObject
|
|
{
|
|
DECLARE_CLASS(wxRichTextFileHandler)
|
|
public:
|
|
wxRichTextFileHandler(const wxString& name = wxEmptyString, const wxString& ext = wxEmptyString, int type = 0)
|
|
: m_name(name), m_extension(ext), m_type(type), m_flags(0), m_visible(true)
|
|
{ }
|
|
|
|
#if wxUSE_STREAMS
|
|
bool LoadFile(wxRichTextBuffer *buffer, wxInputStream& stream)
|
|
{ return DoLoadFile(buffer, stream); }
|
|
bool SaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream)
|
|
{ return DoSaveFile(buffer, stream); }
|
|
#endif
|
|
|
|
#if wxUSE_FFILE && wxUSE_STREAMS
|
|
virtual bool LoadFile(wxRichTextBuffer *buffer, const wxString& filename);
|
|
virtual bool SaveFile(wxRichTextBuffer *buffer, const wxString& filename);
|
|
#endif // wxUSE_STREAMS && wxUSE_STREAMS
|
|
|
|
/// Can we handle this filename (if using files)? By default, checks the extension.
|
|
virtual bool CanHandle(const wxString& filename) const;
|
|
|
|
/// Can we save using this handler?
|
|
virtual bool CanSave() const { return false; }
|
|
|
|
/// Can we load using this handler?
|
|
virtual bool CanLoad() const { return false; }
|
|
|
|
/// Should this handler be visible to the user?
|
|
virtual bool IsVisible() const { return m_visible; }
|
|
virtual void SetVisible(bool visible) { m_visible = visible; }
|
|
|
|
/// The name of the nandler
|
|
void SetName(const wxString& name) { m_name = name; }
|
|
wxString GetName() const { return m_name; }
|
|
|
|
/// The default extension to recognise
|
|
void SetExtension(const wxString& ext) { m_extension = ext; }
|
|
wxString GetExtension() const { return m_extension; }
|
|
|
|
/// The handler type
|
|
void SetType(int type) { m_type = type; }
|
|
int GetType() const { return m_type; }
|
|
|
|
/// Flags controlling how loading and saving is done
|
|
void SetFlags(int flags) { m_flags = flags; }
|
|
int GetFlags() const { return m_flags; }
|
|
|
|
/// Encoding to use when saving a file. If empty, a suitable encoding is chosen
|
|
void SetEncoding(const wxString& encoding) { m_encoding = encoding; }
|
|
const wxString& GetEncoding() const { return m_encoding; }
|
|
|
|
protected:
|
|
|
|
#if wxUSE_STREAMS
|
|
virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream) = 0;
|
|
virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream) = 0;
|
|
#endif
|
|
|
|
wxString m_name;
|
|
wxString m_encoding;
|
|
wxString m_extension;
|
|
int m_type;
|
|
int m_flags;
|
|
bool m_visible;
|
|
};
|
|
|
|
/*!
|
|
* wxRichTextPlainTextHandler
|
|
* Plain text handler
|
|
*/
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextPlainTextHandler: public wxRichTextFileHandler
|
|
{
|
|
DECLARE_CLASS(wxRichTextPlainTextHandler)
|
|
public:
|
|
wxRichTextPlainTextHandler(const wxString& name = wxT("Text"),
|
|
const wxString& ext = wxT("txt"),
|
|
wxRichTextFileType type = wxRICHTEXT_TYPE_TEXT)
|
|
: wxRichTextFileHandler(name, ext, type)
|
|
{ }
|
|
|
|
/// Can we save using this handler?
|
|
virtual bool CanSave() const { return true; }
|
|
|
|
/// Can we load using this handler?
|
|
virtual bool CanLoad() const { return true; }
|
|
|
|
protected:
|
|
|
|
#if wxUSE_STREAMS
|
|
virtual bool DoLoadFile(wxRichTextBuffer *buffer, wxInputStream& stream);
|
|
virtual bool DoSaveFile(wxRichTextBuffer *buffer, wxOutputStream& stream);
|
|
#endif
|
|
|
|
};
|
|
|
|
#if wxUSE_DATAOBJ
|
|
|
|
/*!
|
|
* The data object for a wxRichTextBuffer
|
|
*/
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextBufferDataObject: public wxDataObjectSimple
|
|
{
|
|
public:
|
|
// ctor doesn't copy the pointer, so it shouldn't go away while this object
|
|
// is alive
|
|
wxRichTextBufferDataObject(wxRichTextBuffer* richTextBuffer = NULL);
|
|
virtual ~wxRichTextBufferDataObject();
|
|
|
|
// after a call to this function, the buffer is owned by the caller and it
|
|
// is responsible for deleting it
|
|
wxRichTextBuffer* GetRichTextBuffer();
|
|
|
|
// Returns the id for the new data format
|
|
static const wxChar* GetRichTextBufferFormatId() { return ms_richTextBufferFormatId; }
|
|
|
|
// base class pure virtuals
|
|
|
|
virtual wxDataFormat GetPreferredFormat(Direction dir) const;
|
|
virtual size_t GetDataSize() const;
|
|
virtual bool GetDataHere(void *pBuf) const;
|
|
virtual bool SetData(size_t len, const void *buf);
|
|
|
|
// prevent warnings
|
|
|
|
virtual size_t GetDataSize(const wxDataFormat&) const { return GetDataSize(); }
|
|
virtual bool GetDataHere(const wxDataFormat&, void *buf) const { return GetDataHere(buf); }
|
|
virtual bool SetData(const wxDataFormat&, size_t len, const void *buf) { return SetData(len, buf); }
|
|
|
|
private:
|
|
wxDataFormat m_formatRichTextBuffer; // our custom format
|
|
wxRichTextBuffer* m_richTextBuffer; // our data
|
|
static const wxChar* ms_richTextBufferFormatId; // our format id
|
|
};
|
|
|
|
#endif
|
|
|
|
/*!
|
|
* wxRichTextRenderer isolates common drawing functionality
|
|
*/
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextRenderer: public wxObject
|
|
{
|
|
public:
|
|
wxRichTextRenderer() {}
|
|
virtual ~wxRichTextRenderer() {}
|
|
|
|
/// Draw a standard bullet, as specified by the value of GetBulletName
|
|
virtual bool DrawStandardBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttr& attr, const wxRect& rect) = 0;
|
|
|
|
/// Draw a bullet that can be described by text, such as numbered or symbol bullets
|
|
virtual bool DrawTextBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttr& attr, const wxRect& rect, const wxString& text) = 0;
|
|
|
|
/// Draw a bitmap bullet, where the bullet bitmap is specified by the value of GetBulletName
|
|
virtual bool DrawBitmapBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttr& attr, const wxRect& rect) = 0;
|
|
|
|
/// Enumerate the standard bullet names currently supported
|
|
virtual bool EnumerateStandardBulletNames(wxArrayString& bulletNames) = 0;
|
|
};
|
|
|
|
/*!
|
|
* wxRichTextStdRenderer: standard renderer
|
|
*/
|
|
|
|
class WXDLLIMPEXP_RICHTEXT wxRichTextStdRenderer: public wxRichTextRenderer
|
|
{
|
|
public:
|
|
wxRichTextStdRenderer() {}
|
|
|
|
/// Draw a standard bullet, as specified by the value of GetBulletName
|
|
virtual bool DrawStandardBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttr& attr, const wxRect& rect);
|
|
|
|
/// Draw a bullet that can be described by text, such as numbered or symbol bullets
|
|
virtual bool DrawTextBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttr& attr, const wxRect& rect, const wxString& text);
|
|
|
|
/// Draw a bitmap bullet, where the bullet bitmap is specified by the value of GetBulletName
|
|
virtual bool DrawBitmapBullet(wxRichTextParagraph* paragraph, wxDC& dc, const wxTextAttr& attr, const wxRect& rect);
|
|
|
|
/// Enumerate the standard bullet names currently supported
|
|
virtual bool EnumerateStandardBulletNames(wxArrayString& bulletNames);
|
|
};
|
|
|
|
/*!
|
|
* Utilities
|
|
*
|
|
*/
|
|
|
|
inline bool wxRichTextHasStyle(int flags, int style)
|
|
{
|
|
return ((flags & style) == style);
|
|
}
|
|
|
|
/// Compare two attribute objects
|
|
WXDLLIMPEXP_RICHTEXT bool wxTextAttrEq(const wxTextAttr& attr1, const wxTextAttr& attr2);
|
|
WXDLLIMPEXP_RICHTEXT bool wxTextAttrEq(const wxTextAttr& attr1, const wxTextAttr& attr2);
|
|
|
|
/// Compare two attribute objects, but take into account the flags
|
|
/// specifying attributes of interest.
|
|
WXDLLIMPEXP_RICHTEXT bool wxTextAttrEqPartial(const wxTextAttr& attr1, const wxTextAttr& attr2, int flags);
|
|
|
|
/// Apply one style to another
|
|
WXDLLIMPEXP_RICHTEXT bool wxRichTextApplyStyle(wxTextAttr& destStyle, const wxTextAttr& style, wxTextAttr* compareWith = NULL);
|
|
|
|
// Remove attributes
|
|
WXDLLIMPEXP_RICHTEXT bool wxRichTextRemoveStyle(wxTextAttr& destStyle, const wxTextAttr& style);
|
|
|
|
/// Combine two bitlists
|
|
WXDLLIMPEXP_RICHTEXT bool wxRichTextCombineBitlists(int& valueA, int valueB, int& flagsA, int flagsB);
|
|
|
|
/// Compare two bitlists
|
|
WXDLLIMPEXP_RICHTEXT bool wxRichTextBitlistsEqPartial(int valueA, int valueB, int flags);
|
|
|
|
/// Split into paragraph and character styles
|
|
WXDLLIMPEXP_RICHTEXT bool wxRichTextSplitParaCharStyles(const wxTextAttr& style, wxTextAttr& parStyle, wxTextAttr& charStyle);
|
|
|
|
/// Compare tabs
|
|
WXDLLIMPEXP_RICHTEXT bool wxRichTextTabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2);
|
|
|
|
/// Convert a decimal to Roman numerals
|
|
WXDLLIMPEXP_RICHTEXT wxString wxRichTextDecimalToRoman(long n);
|
|
|
|
WXDLLIMPEXP_RICHTEXT void wxRichTextModuleInit();
|
|
|
|
#endif
|
|
// wxUSE_RICHTEXT
|
|
|
|
#endif
|
|
// _WX_RICHTEXTBUFFER_H_
|
|
|