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wxWidgets/include/wx/textctrl.h
Vadim Zeitlin 6ce832135e Add wxTextCtrl::PositionToCoords() functions for wxMSW and wxGTK. 
The new method allows to find the coordinates in pixels of the given character
in a text control.

Closes #13221.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68450 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2011-07-29 15:11:54 +00:00

902 lines
35 KiB
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///////////////////////////////////////////////////////////////////////////////
// Name: wx/textctrl.h
// Purpose: wxTextAttr and wxTextCtrlBase class - the interface of wxTextCtrl
// Author: Vadim Zeitlin
// Modified by:
// Created: 13.07.99
// RCS-ID: $Id$
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_TEXTCTRL_H_BASE_
#define _WX_TEXTCTRL_H_BASE_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/defs.h"
#if wxUSE_TEXTCTRL
#include "wx/control.h" // the base class
#include "wx/textentry.h" // single-line text entry interface
#include "wx/dynarray.h" // wxArrayInt
#include "wx/gdicmn.h" // wxPoint
// some compilers don't have standard compliant rdbuf() (and MSVC has it only
// in its new iostream library, not in the old one used with iostream.h)
#if defined(__WATCOMC__) || \
defined(__MWERKS__) || \
((defined(__VISUALC5__) || defined(__VISUALC6__)) && wxUSE_IOSTREAMH)
#define wxHAS_TEXT_WINDOW_STREAM 0
#elif wxUSE_STD_IOSTREAM
#include "wx/ioswrap.h"
#define wxHAS_TEXT_WINDOW_STREAM 1
#else
#define wxHAS_TEXT_WINDOW_STREAM 0
#endif
class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
class WXDLLIMPEXP_FWD_CORE wxTextCtrlBase;
// ----------------------------------------------------------------------------
// wxTextCtrl types
// ----------------------------------------------------------------------------
// wxTextCoord is the line or row number (which should have been unsigned but
// is long for backwards compatibility)
typedef long wxTextCoord;
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
extern WXDLLIMPEXP_DATA_CORE(const char) wxTextCtrlNameStr[];
// this is intentionally not enum to avoid warning fixes with
// typecasting from enum type to wxTextCoord
const wxTextCoord wxOutOfRangeTextCoord = -1;
const wxTextCoord wxInvalidTextCoord = -2;
// ----------------------------------------------------------------------------
// wxTextCtrl style flags
// ----------------------------------------------------------------------------
#define wxTE_NO_VSCROLL 0x0002
#define wxTE_READONLY 0x0010
#define wxTE_MULTILINE 0x0020
#define wxTE_PROCESS_TAB 0x0040
// alignment flags
#define wxTE_LEFT 0x0000 // 0x0000
#define wxTE_CENTER wxALIGN_CENTER_HORIZONTAL // 0x0100
#define wxTE_RIGHT wxALIGN_RIGHT // 0x0200
#define wxTE_CENTRE wxTE_CENTER
// this style means to use RICHEDIT control and does something only under wxMSW
// and Win32 and is silently ignored under all other platforms
#define wxTE_RICH 0x0080
#define wxTE_PROCESS_ENTER 0x0400
#define wxTE_PASSWORD 0x0800
// automatically detect the URLs and generate the events when mouse is
// moved/clicked over an URL
//
// this is for Win32 richedit and wxGTK2 multiline controls only so far
#define wxTE_AUTO_URL 0x1000
// by default, the Windows text control doesn't show the selection when it
// doesn't have focus - use this style to force it to always show it
#define wxTE_NOHIDESEL 0x2000
// use wxHSCROLL to not wrap text at all, wxTE_CHARWRAP to wrap it at any
// position and wxTE_WORDWRAP to wrap at words boundary
//
// if no wrapping style is given at all, the control wraps at word boundary
#define wxTE_DONTWRAP wxHSCROLL
#define wxTE_CHARWRAP 0x4000 // wrap at any position
#define wxTE_WORDWRAP 0x0001 // wrap only at words boundaries
#define wxTE_BESTWRAP 0x0000 // this is the default
#if WXWIN_COMPATIBILITY_2_6
// obsolete synonym
#define wxTE_LINEWRAP wxTE_CHARWRAP
#endif // WXWIN_COMPATIBILITY_2_6
#if WXWIN_COMPATIBILITY_2_8
// this style is (or at least should be) on by default now, don't use it
#define wxTE_AUTO_SCROLL 0
#endif // WXWIN_COMPATIBILITY_2_8
// force using RichEdit version 2.0 or 3.0 instead of 1.0 (default) for
// wxTE_RICH controls - can be used together with or instead of wxTE_RICH
#define wxTE_RICH2 0x8000
// reuse wxTE_RICH2's value for CAPEDIT control on Windows CE
#if defined(__SMARTPHONE__) || defined(__POCKETPC__)
#define wxTE_CAPITALIZE wxTE_RICH2
#else
#define wxTE_CAPITALIZE 0
#endif
// ----------------------------------------------------------------------------
// wxTextCtrl file types
// ----------------------------------------------------------------------------
#define wxTEXT_TYPE_ANY 0
// ----------------------------------------------------------------------------
// wxTextCtrl::HitTest return values
// ----------------------------------------------------------------------------
// the point asked is ...
enum wxTextCtrlHitTestResult
{
wxTE_HT_UNKNOWN = -2, // this means HitTest() is simply not implemented
wxTE_HT_BEFORE, // either to the left or upper
wxTE_HT_ON_TEXT, // directly on
wxTE_HT_BELOW, // below [the last line]
wxTE_HT_BEYOND // after [the end of line]
};
// ... the character returned
// ----------------------------------------------------------------------------
// Types for wxTextAttr
// ----------------------------------------------------------------------------
// Alignment
enum wxTextAttrAlignment
{
wxTEXT_ALIGNMENT_DEFAULT,
wxTEXT_ALIGNMENT_LEFT,
wxTEXT_ALIGNMENT_CENTRE,
wxTEXT_ALIGNMENT_CENTER = wxTEXT_ALIGNMENT_CENTRE,
wxTEXT_ALIGNMENT_RIGHT,
wxTEXT_ALIGNMENT_JUSTIFIED
};
// Flags to indicate which attributes are being applied
enum wxTextAttrFlags
{
wxTEXT_ATTR_TEXT_COLOUR = 0x00000001,
wxTEXT_ATTR_BACKGROUND_COLOUR = 0x00000002,
wxTEXT_ATTR_FONT_FACE = 0x00000004,
wxTEXT_ATTR_FONT_SIZE = 0x00000008,
wxTEXT_ATTR_FONT_WEIGHT = 0x00000010,
wxTEXT_ATTR_FONT_ITALIC = 0x00000020,
wxTEXT_ATTR_FONT_UNDERLINE = 0x00000040,
wxTEXT_ATTR_FONT_ENCODING = 0x02000000,
wxTEXT_ATTR_FONT_FAMILY = 0x04000000,
wxTEXT_ATTR_FONT = \
( wxTEXT_ATTR_FONT_FACE | wxTEXT_ATTR_FONT_SIZE | wxTEXT_ATTR_FONT_WEIGHT | \
wxTEXT_ATTR_FONT_ITALIC | wxTEXT_ATTR_FONT_UNDERLINE | wxTEXT_ATTR_FONT_ENCODING | wxTEXT_ATTR_FONT_FAMILY ),
wxTEXT_ATTR_ALIGNMENT = 0x00000080,
wxTEXT_ATTR_LEFT_INDENT = 0x00000100,
wxTEXT_ATTR_RIGHT_INDENT = 0x00000200,
wxTEXT_ATTR_TABS = 0x00000400,
wxTEXT_ATTR_PARA_SPACING_AFTER = 0x00000800,
wxTEXT_ATTR_PARA_SPACING_BEFORE = 0x00001000,
wxTEXT_ATTR_LINE_SPACING = 0x00002000,
wxTEXT_ATTR_CHARACTER_STYLE_NAME = 0x00004000,
wxTEXT_ATTR_PARAGRAPH_STYLE_NAME = 0x00008000,
wxTEXT_ATTR_LIST_STYLE_NAME = 0x00010000,
wxTEXT_ATTR_BULLET_STYLE = 0x00020000,
wxTEXT_ATTR_BULLET_NUMBER = 0x00040000,
wxTEXT_ATTR_BULLET_TEXT = 0x00080000,
wxTEXT_ATTR_BULLET_NAME = 0x00100000,
wxTEXT_ATTR_BULLET = \
( wxTEXT_ATTR_BULLET_STYLE | wxTEXT_ATTR_BULLET_NUMBER | wxTEXT_ATTR_BULLET_TEXT | \
wxTEXT_ATTR_BULLET_NAME ),
wxTEXT_ATTR_URL = 0x00200000,
wxTEXT_ATTR_PAGE_BREAK = 0x00400000,
wxTEXT_ATTR_EFFECTS = 0x00800000,
wxTEXT_ATTR_OUTLINE_LEVEL = 0x01000000,
/*!
* Character and paragraph combined styles
*/
wxTEXT_ATTR_CHARACTER = \
(wxTEXT_ATTR_FONT|wxTEXT_ATTR_EFFECTS| \
wxTEXT_ATTR_BACKGROUND_COLOUR|wxTEXT_ATTR_TEXT_COLOUR|wxTEXT_ATTR_CHARACTER_STYLE_NAME|wxTEXT_ATTR_URL),
wxTEXT_ATTR_PARAGRAPH = \
(wxTEXT_ATTR_ALIGNMENT|wxTEXT_ATTR_LEFT_INDENT|wxTEXT_ATTR_RIGHT_INDENT|wxTEXT_ATTR_TABS|\
wxTEXT_ATTR_PARA_SPACING_BEFORE|wxTEXT_ATTR_PARA_SPACING_AFTER|wxTEXT_ATTR_LINE_SPACING|\
wxTEXT_ATTR_BULLET|wxTEXT_ATTR_PARAGRAPH_STYLE_NAME|wxTEXT_ATTR_LIST_STYLE_NAME|wxTEXT_ATTR_OUTLINE_LEVEL|wxTEXT_ATTR_PAGE_BREAK),
wxTEXT_ATTR_ALL = (wxTEXT_ATTR_CHARACTER|wxTEXT_ATTR_PARAGRAPH)
};
/*!
* Styles for wxTextAttr::SetBulletStyle
*/
enum wxTextAttrBulletStyle
{
wxTEXT_ATTR_BULLET_STYLE_NONE = 0x00000000,
wxTEXT_ATTR_BULLET_STYLE_ARABIC = 0x00000001,
wxTEXT_ATTR_BULLET_STYLE_LETTERS_UPPER = 0x00000002,
wxTEXT_ATTR_BULLET_STYLE_LETTERS_LOWER = 0x00000004,
wxTEXT_ATTR_BULLET_STYLE_ROMAN_UPPER = 0x00000008,
wxTEXT_ATTR_BULLET_STYLE_ROMAN_LOWER = 0x00000010,
wxTEXT_ATTR_BULLET_STYLE_SYMBOL = 0x00000020,
wxTEXT_ATTR_BULLET_STYLE_BITMAP = 0x00000040,
wxTEXT_ATTR_BULLET_STYLE_PARENTHESES = 0x00000080,
wxTEXT_ATTR_BULLET_STYLE_PERIOD = 0x00000100,
wxTEXT_ATTR_BULLET_STYLE_STANDARD = 0x00000200,
wxTEXT_ATTR_BULLET_STYLE_RIGHT_PARENTHESIS = 0x00000400,
wxTEXT_ATTR_BULLET_STYLE_OUTLINE = 0x00000800,
wxTEXT_ATTR_BULLET_STYLE_ALIGN_LEFT = 0x00000000,
wxTEXT_ATTR_BULLET_STYLE_ALIGN_RIGHT = 0x00001000,
wxTEXT_ATTR_BULLET_STYLE_ALIGN_CENTRE = 0x00002000
};
/*!
* Styles for wxTextAttr::SetTextEffects
*/
enum wxTextAttrEffects
{
wxTEXT_ATTR_EFFECT_NONE = 0x00000000,
wxTEXT_ATTR_EFFECT_CAPITALS = 0x00000001,
wxTEXT_ATTR_EFFECT_SMALL_CAPITALS = 0x00000002,
wxTEXT_ATTR_EFFECT_STRIKETHROUGH = 0x00000004,
wxTEXT_ATTR_EFFECT_DOUBLE_STRIKETHROUGH = 0x00000008,
wxTEXT_ATTR_EFFECT_SHADOW = 0x00000010,
wxTEXT_ATTR_EFFECT_EMBOSS = 0x00000020,
wxTEXT_ATTR_EFFECT_OUTLINE = 0x00000040,
wxTEXT_ATTR_EFFECT_ENGRAVE = 0x00000080,
wxTEXT_ATTR_EFFECT_SUPERSCRIPT = 0x00000100,
wxTEXT_ATTR_EFFECT_SUBSCRIPT = 0x00000200
};
/*!
* Line spacing values
*/
enum wxTextAttrLineSpacing
{
wxTEXT_ATTR_LINE_SPACING_NORMAL = 10,
wxTEXT_ATTR_LINE_SPACING_HALF = 15,
wxTEXT_ATTR_LINE_SPACING_TWICE = 20
};
// ----------------------------------------------------------------------------
// wxTextAttr: a structure containing the visual attributes of a text
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxTextAttr
{
public:
// ctors
wxTextAttr() { Init(); }
wxTextAttr(const wxTextAttr& attr) { Init(); Copy(attr); }
wxTextAttr(const wxColour& colText,
const wxColour& colBack = wxNullColour,
const wxFont& font = wxNullFont,
wxTextAttrAlignment alignment = wxTEXT_ALIGNMENT_DEFAULT);
// Initialise this object.
void Init();
// Copy
void Copy(const wxTextAttr& attr);
// Assignment
void operator= (const wxTextAttr& attr);
// Equality test
bool operator== (const wxTextAttr& attr) const;
// Partial equality test
bool EqPartial(const wxTextAttr& attr) const;
// Get attributes from font.
bool GetFontAttributes(const wxFont& font, int flags = wxTEXT_ATTR_FONT);
// setters
void SetTextColour(const wxColour& colText) { m_colText = colText; m_flags |= wxTEXT_ATTR_TEXT_COLOUR; }
void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; m_flags |= wxTEXT_ATTR_BACKGROUND_COLOUR; }
void SetAlignment(wxTextAttrAlignment alignment) { m_textAlignment = alignment; m_flags |= wxTEXT_ATTR_ALIGNMENT; }
void SetTabs(const wxArrayInt& tabs) { m_tabs = tabs; m_flags |= wxTEXT_ATTR_TABS; }
void SetLeftIndent(int indent, int subIndent = 0) { m_leftIndent = indent; m_leftSubIndent = subIndent; m_flags |= wxTEXT_ATTR_LEFT_INDENT; }
void SetRightIndent(int indent) { m_rightIndent = indent; m_flags |= wxTEXT_ATTR_RIGHT_INDENT; }
void SetFontSize(int pointSize) { m_fontSize = pointSize; m_flags |= wxTEXT_ATTR_FONT_SIZE; }
void SetFontStyle(wxFontStyle fontStyle) { m_fontStyle = fontStyle; m_flags |= wxTEXT_ATTR_FONT_ITALIC; }
void SetFontWeight(wxFontWeight fontWeight) { m_fontWeight = fontWeight; m_flags |= wxTEXT_ATTR_FONT_WEIGHT; }
void SetFontFaceName(const wxString& faceName) { m_fontFaceName = faceName; m_flags |= wxTEXT_ATTR_FONT_FACE; }
void SetFontUnderlined(bool underlined) { m_fontUnderlined = underlined; m_flags |= wxTEXT_ATTR_FONT_UNDERLINE; }
void SetFontEncoding(wxFontEncoding encoding) { m_fontEncoding = encoding; m_flags |= wxTEXT_ATTR_FONT_ENCODING; }
void SetFontFamily(wxFontFamily family) { m_fontFamily = family; m_flags |= wxTEXT_ATTR_FONT_FAMILY; }
// Set font
void SetFont(const wxFont& font, int flags = wxTEXT_ATTR_FONT) { GetFontAttributes(font, flags); }
void SetFlags(long flags) { m_flags = flags; }
void SetCharacterStyleName(const wxString& name) { m_characterStyleName = name; m_flags |= wxTEXT_ATTR_CHARACTER_STYLE_NAME; }
void SetParagraphStyleName(const wxString& name) { m_paragraphStyleName = name; m_flags |= wxTEXT_ATTR_PARAGRAPH_STYLE_NAME; }
void SetListStyleName(const wxString& name) { m_listStyleName = name; SetFlags(GetFlags() | wxTEXT_ATTR_LIST_STYLE_NAME); }
void SetParagraphSpacingAfter(int spacing) { m_paragraphSpacingAfter = spacing; m_flags |= wxTEXT_ATTR_PARA_SPACING_AFTER; }
void SetParagraphSpacingBefore(int spacing) { m_paragraphSpacingBefore = spacing; m_flags |= wxTEXT_ATTR_PARA_SPACING_BEFORE; }
void SetLineSpacing(int spacing) { m_lineSpacing = spacing; m_flags |= wxTEXT_ATTR_LINE_SPACING; }
void SetBulletStyle(int style) { m_bulletStyle = style; m_flags |= wxTEXT_ATTR_BULLET_STYLE; }
void SetBulletNumber(int n) { m_bulletNumber = n; m_flags |= wxTEXT_ATTR_BULLET_NUMBER; }
void SetBulletText(const wxString& text) { m_bulletText = text; m_flags |= wxTEXT_ATTR_BULLET_TEXT; }
void SetBulletFont(const wxString& bulletFont) { m_bulletFont = bulletFont; }
void SetBulletName(const wxString& name) { m_bulletName = name; m_flags |= wxTEXT_ATTR_BULLET_NAME; }
void SetURL(const wxString& url) { m_urlTarget = url; m_flags |= wxTEXT_ATTR_URL; }
void SetPageBreak(bool pageBreak = true) { SetFlags(pageBreak ? (GetFlags() | wxTEXT_ATTR_PAGE_BREAK) : (GetFlags() & ~wxTEXT_ATTR_PAGE_BREAK)); }
void SetTextEffects(int effects) { m_textEffects = effects; SetFlags(GetFlags() | wxTEXT_ATTR_EFFECTS); }
void SetTextEffectFlags(int effects) { m_textEffectFlags = effects; }
void SetOutlineLevel(int level) { m_outlineLevel = level; SetFlags(GetFlags() | wxTEXT_ATTR_OUTLINE_LEVEL); }
const wxColour& GetTextColour() const { return m_colText; }
const wxColour& GetBackgroundColour() const { return m_colBack; }
wxTextAttrAlignment GetAlignment() const { return m_textAlignment; }
const wxArrayInt& GetTabs() const { return m_tabs; }
long GetLeftIndent() const { return m_leftIndent; }
long GetLeftSubIndent() const { return m_leftSubIndent; }
long GetRightIndent() const { return m_rightIndent; }
long GetFlags() const { return m_flags; }
int GetFontSize() const { return m_fontSize; }
wxFontStyle GetFontStyle() const { return m_fontStyle; }
wxFontWeight GetFontWeight() const { return m_fontWeight; }
bool GetFontUnderlined() const { return m_fontUnderlined; }
const wxString& GetFontFaceName() const { return m_fontFaceName; }
wxFontEncoding GetFontEncoding() const { return m_fontEncoding; }
wxFontFamily GetFontFamily() const { return m_fontFamily; }
wxFont GetFont() const;
const wxString& GetCharacterStyleName() const { return m_characterStyleName; }
const wxString& GetParagraphStyleName() const { return m_paragraphStyleName; }
const wxString& GetListStyleName() const { return m_listStyleName; }
int GetParagraphSpacingAfter() const { return m_paragraphSpacingAfter; }
int GetParagraphSpacingBefore() const { return m_paragraphSpacingBefore; }
int GetLineSpacing() const { return m_lineSpacing; }
int GetBulletStyle() const { return m_bulletStyle; }
int GetBulletNumber() const { return m_bulletNumber; }
const wxString& GetBulletText() const { return m_bulletText; }
const wxString& GetBulletFont() const { return m_bulletFont; }
const wxString& GetBulletName() const { return m_bulletName; }
const wxString& GetURL() const { return m_urlTarget; }
int GetTextEffects() const { return m_textEffects; }
int GetTextEffectFlags() const { return m_textEffectFlags; }
int GetOutlineLevel() const { return m_outlineLevel; }
// accessors
bool HasTextColour() const { return m_colText.IsOk() && HasFlag(wxTEXT_ATTR_TEXT_COLOUR) ; }
bool HasBackgroundColour() const { return m_colBack.IsOk() && HasFlag(wxTEXT_ATTR_BACKGROUND_COLOUR) ; }
bool HasAlignment() const { return (m_textAlignment != wxTEXT_ALIGNMENT_DEFAULT) && HasFlag(wxTEXT_ATTR_ALIGNMENT) ; }
bool HasTabs() const { return HasFlag(wxTEXT_ATTR_TABS) ; }
bool HasLeftIndent() const { return HasFlag(wxTEXT_ATTR_LEFT_INDENT); }
bool HasRightIndent() const { return HasFlag(wxTEXT_ATTR_RIGHT_INDENT); }
bool HasFontWeight() const { return HasFlag(wxTEXT_ATTR_FONT_WEIGHT); }
bool HasFontSize() const { return HasFlag(wxTEXT_ATTR_FONT_SIZE); }
bool HasFontItalic() const { return HasFlag(wxTEXT_ATTR_FONT_ITALIC); }
bool HasFontUnderlined() const { return HasFlag(wxTEXT_ATTR_FONT_UNDERLINE); }
bool HasFontFaceName() const { return HasFlag(wxTEXT_ATTR_FONT_FACE); }
bool HasFontEncoding() const { return HasFlag(wxTEXT_ATTR_FONT_ENCODING); }
bool HasFontFamily() const { return HasFlag(wxTEXT_ATTR_FONT_FAMILY); }
bool HasFont() const { return HasFlag(wxTEXT_ATTR_FONT); }
bool HasParagraphSpacingAfter() const { return HasFlag(wxTEXT_ATTR_PARA_SPACING_AFTER); }
bool HasParagraphSpacingBefore() const { return HasFlag(wxTEXT_ATTR_PARA_SPACING_BEFORE); }
bool HasLineSpacing() const { return HasFlag(wxTEXT_ATTR_LINE_SPACING); }
bool HasCharacterStyleName() const { return HasFlag(wxTEXT_ATTR_CHARACTER_STYLE_NAME) && !m_characterStyleName.IsEmpty(); }
bool HasParagraphStyleName() const { return HasFlag(wxTEXT_ATTR_PARAGRAPH_STYLE_NAME) && !m_paragraphStyleName.IsEmpty(); }
bool HasListStyleName() const { return HasFlag(wxTEXT_ATTR_LIST_STYLE_NAME) || !m_listStyleName.IsEmpty(); }
bool HasBulletStyle() const { return HasFlag(wxTEXT_ATTR_BULLET_STYLE); }
bool HasBulletNumber() const { return HasFlag(wxTEXT_ATTR_BULLET_NUMBER); }
bool HasBulletText() const { return HasFlag(wxTEXT_ATTR_BULLET_TEXT); }
bool HasBulletName() const { return HasFlag(wxTEXT_ATTR_BULLET_NAME); }
bool HasURL() const { return HasFlag(wxTEXT_ATTR_URL); }
bool HasPageBreak() const { return HasFlag(wxTEXT_ATTR_PAGE_BREAK); }
bool HasTextEffects() const { return HasFlag(wxTEXT_ATTR_EFFECTS); }
bool HasTextEffect(int effect) const { return HasFlag(wxTEXT_ATTR_EFFECTS) && ((GetTextEffectFlags() & effect) != 0); }
bool HasOutlineLevel() const { return HasFlag(wxTEXT_ATTR_OUTLINE_LEVEL); }
bool HasFlag(long flag) const { return (m_flags & flag) != 0; }
void RemoveFlag(long flag) { m_flags &= ~flag; }
void AddFlag(long flag) { m_flags |= flag; }
// Is this a character style?
bool IsCharacterStyle() const { return HasFlag(wxTEXT_ATTR_CHARACTER); }
bool IsParagraphStyle() const { return HasFlag(wxTEXT_ATTR_PARAGRAPH); }
// returns false if we have any attributes set, true otherwise
bool IsDefault() const
{
return GetFlags() == 0;
}
// Merges the given attributes. If compareWith
// is non-NULL, then it will be used to mask out those attributes that are the same in style
// and compareWith, for situations where we don't want to explicitly set inherited attributes.
bool Apply(const wxTextAttr& style, const wxTextAttr* compareWith = NULL);
// merges the attributes of the base and the overlay objects and returns
// the result; the parameter attributes take precedence
//
// WARNING: the order of arguments is the opposite of Combine()
static wxTextAttr Merge(const wxTextAttr& base, const wxTextAttr& overlay)
{
return Combine(overlay, base, NULL);
}
// merges the attributes of this object and overlay
void Merge(const wxTextAttr& overlay)
{
*this = Merge(*this, overlay);
}
// return the attribute having the valid font and colours: it uses the
// attributes set in attr and falls back first to attrDefault and then to
// the text control font/colours for those attributes which are not set
static wxTextAttr Combine(const wxTextAttr& attr,
const wxTextAttr& attrDef,
const wxTextCtrlBase *text);
// Compare tabs
static bool TabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2);
// Remove attributes
static bool RemoveStyle(wxTextAttr& destStyle, const wxTextAttr& style);
// Combine two bitlists, specifying the bits of interest with separate flags.
static bool CombineBitlists(int& valueA, int valueB, int& flagsA, int flagsB);
// Compare two bitlists
static bool BitlistsEqPartial(int valueA, int valueB, int flags);
// Split into paragraph and character styles
static bool SplitParaCharStyles(const wxTextAttr& style, wxTextAttr& parStyle, wxTextAttr& charStyle);
private:
long m_flags;
// Paragraph styles
wxArrayInt m_tabs; // array of int: tab stops in 1/10 mm
int m_leftIndent; // left indent in 1/10 mm
int m_leftSubIndent; // left indent for all but the first
// line in a paragraph relative to the
// first line, in 1/10 mm
int m_rightIndent; // right indent in 1/10 mm
wxTextAttrAlignment m_textAlignment;
int m_paragraphSpacingAfter;
int m_paragraphSpacingBefore;
int m_lineSpacing;
int m_bulletStyle;
int m_bulletNumber;
int m_textEffects;
int m_textEffectFlags;
int m_outlineLevel;
wxString m_bulletText;
wxString m_bulletFont;
wxString m_bulletName;
wxString m_urlTarget;
wxFontEncoding m_fontEncoding;
// Character styles
wxColour m_colText,
m_colBack;
int m_fontSize;
wxFontStyle m_fontStyle;
wxFontWeight m_fontWeight;
wxFontFamily m_fontFamily;
bool m_fontUnderlined;
wxString m_fontFaceName;
// Character style
wxString m_characterStyleName;
// Paragraph style
wxString m_paragraphStyleName;
// List style
wxString m_listStyleName;
};
// ----------------------------------------------------------------------------
// wxTextAreaBase: multiline text control specific methods
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxTextAreaBase
{
public:
wxTextAreaBase() { }
virtual ~wxTextAreaBase() { }
// lines access
// ------------
virtual int GetLineLength(long lineNo) const = 0;
virtual wxString GetLineText(long lineNo) const = 0;
virtual int GetNumberOfLines() const = 0;
// file IO
// -------
bool LoadFile(const wxString& file, int fileType = wxTEXT_TYPE_ANY)
{ return DoLoadFile(file, fileType); }
bool SaveFile(const wxString& file = wxEmptyString,
int fileType = wxTEXT_TYPE_ANY);
// dirty flag handling
// -------------------
virtual bool IsModified() const = 0;
virtual void MarkDirty() = 0;
virtual void DiscardEdits() = 0;
void SetModified(bool modified)
{
if ( modified )
MarkDirty();
else
DiscardEdits();
}
// styles handling
// ---------------
// text control under some platforms supports the text styles: these
// methods allow to apply the given text style to the given selection or to
// set/get the style which will be used for all appended text
virtual bool SetStyle(long start, long end, const wxTextAttr& style) = 0;
virtual bool GetStyle(long position, wxTextAttr& style) = 0;
virtual bool SetDefaultStyle(const wxTextAttr& style) = 0;
virtual const wxTextAttr& GetDefaultStyle() const { return m_defaultStyle; }
// coordinates translation
// -----------------------
// translate between the position (which is just an index in the text ctrl
// considering all its contents as a single strings) and (x, y) coordinates
// which represent column and line.
virtual long XYToPosition(long x, long y) const = 0;
virtual bool PositionToXY(long pos, long *x, long *y) const = 0;
// translate the given position (which is just an index in the text control)
// to client coordinates
wxPoint PositionToCoords(long pos) const;
virtual void ShowPosition(long pos) = 0;
// find the character at position given in pixels
//
// NB: pt is in device coords (not adjusted for the client area origin nor
// scrolling)
virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const;
virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
wxTextCoord *col,
wxTextCoord *row) const;
virtual wxString GetValue() const = 0;
virtual void SetValue(const wxString& value) = 0;
protected:
// implementation of loading/saving
virtual bool DoLoadFile(const wxString& file, int fileType);
virtual bool DoSaveFile(const wxString& file, int fileType);
// Return true if the given position is valid, i.e. positive and less than
// the last position.
virtual bool IsValidPosition(long pos) const = 0;
// Default stub implementation of PositionToCoords() always returns
// wxDefaultPosition.
virtual wxPoint DoPositionToCoords(long pos) const;
// the name of the last file loaded with LoadFile() which will be used by
// SaveFile() by default
wxString m_filename;
// the text style which will be used for any new text added to the control
wxTextAttr m_defaultStyle;
wxDECLARE_NO_COPY_CLASS(wxTextAreaBase);
};
// this class defines wxTextCtrl interface, wxTextCtrlBase actually implements
// too much things because it derives from wxTextEntry and not wxTextEntryBase
// and so any classes which "look like" wxTextCtrl (such as wxRichTextCtrl)
// but don't need the (native) implementation bits from wxTextEntry should
// actually derive from this one and not wxTextCtrlBase
class WXDLLIMPEXP_CORE wxTextCtrlIface : public wxTextAreaBase,
public wxTextEntryBase
{
public:
wxTextCtrlIface() { }
// wxTextAreaBase overrides
virtual wxString GetValue() const
{
return wxTextEntryBase::GetValue();
}
virtual void SetValue(const wxString& value)
{
wxTextEntryBase::SetValue(value);
}
protected:
virtual bool IsValidPosition(long pos) const
{
return pos >= 0 && pos <= GetLastPosition();
}
private:
wxDECLARE_NO_COPY_CLASS(wxTextCtrlIface);
};
// ----------------------------------------------------------------------------
// wxTextCtrl: a single or multiple line text zone where user can edit text
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxTextCtrlBase : public wxControl,
#if wxHAS_TEXT_WINDOW_STREAM
public wxSTD streambuf,
#endif
public wxTextAreaBase,
public wxTextEntry
{
public:
// creation
// --------
wxTextCtrlBase() { }
virtual ~wxTextCtrlBase() { }
// more readable flag testing methods
bool IsSingleLine() const { return !HasFlag(wxTE_MULTILINE); }
bool IsMultiLine() const { return !IsSingleLine(); }
// stream-like insertion operators: these are always available, whether we
// were, or not, compiled with streambuf support
wxTextCtrl& operator<<(const wxString& s);
wxTextCtrl& operator<<(int i);
wxTextCtrl& operator<<(long i);
wxTextCtrl& operator<<(float f) { return *this << double(f); }
wxTextCtrl& operator<<(double d);
wxTextCtrl& operator<<(char c) { return *this << wxString(c); }
wxTextCtrl& operator<<(wchar_t c) { return *this << wxString(c); }
// insert the character which would have resulted from this key event,
// return true if anything has been inserted
virtual bool EmulateKeyPress(const wxKeyEvent& event);
// do the window-specific processing after processing the update event
virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
virtual bool ShouldInheritColours() const { return false; }
// work around the problem with having HitTest() both in wxControl and
// wxTextAreaBase base classes
virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const
{
return wxTextAreaBase::HitTest(pt, pos);
}
virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
wxTextCoord *col,
wxTextCoord *row) const
{
return wxTextAreaBase::HitTest(pt, col, row);
}
// we provide stubs for these functions as not all platforms have styles
// support, but we really should leave them pure virtual here
virtual bool SetStyle(long start, long end, const wxTextAttr& style);
virtual bool GetStyle(long position, wxTextAttr& style);
virtual bool SetDefaultStyle(const wxTextAttr& style);
// wxTextAreaBase overrides
virtual wxString GetValue() const
{
return wxTextEntry::GetValue();
}
virtual void SetValue(const wxString& value)
{
wxTextEntry::SetValue(value);
}
// wxWindow overrides
virtual wxVisualAttributes GetDefaultAttributes() const
{
return GetClassDefaultAttributes(GetWindowVariant());
}
static wxVisualAttributes
GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL)
{
return GetCompositeControlsDefaultAttributes(variant);
}
protected:
// override streambuf method
#if wxHAS_TEXT_WINDOW_STREAM
int overflow(int i);
#endif // wxHAS_TEXT_WINDOW_STREAM
virtual bool DoLoadFile(const wxString& file, int fileType);
virtual bool DoSaveFile(const wxString& file, int fileType);
// Another wxTextAreaBase override.
virtual bool IsValidPosition(long pos) const
{
return pos >= 0 && pos <= GetLastPosition();
}
// implement the wxTextEntry pure virtual method
virtual wxWindow *GetEditableWindow() { return this; }
wxDECLARE_NO_COPY_CLASS(wxTextCtrlBase);
DECLARE_ABSTRACT_CLASS(wxTextCtrlBase)
};
// ----------------------------------------------------------------------------
// include the platform-dependent class definition
// ----------------------------------------------------------------------------
#if defined(__WXX11__)
#include "wx/x11/textctrl.h"
#elif defined(__WXUNIVERSAL__)
#include "wx/univ/textctrl.h"
#elif defined(__SMARTPHONE__) && defined(__WXWINCE__)
#include "wx/msw/wince/textctrlce.h"
#elif defined(__WXMSW__)
#include "wx/msw/textctrl.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/textctrl.h"
#elif defined(__WXGTK20__)
#include "wx/gtk/textctrl.h"
#elif defined(__WXGTK__)
#include "wx/gtk1/textctrl.h"
#elif defined(__WXMAC__)
#include "wx/osx/textctrl.h"
#elif defined(__WXCOCOA__)
#include "wx/cocoa/textctrl.h"
#elif defined(__WXPM__)
#include "wx/os2/textctrl.h"
#elif defined(__WXPALMOS__)
#include "wx/palmos/textctrl.h"
#endif
// ----------------------------------------------------------------------------
// wxTextCtrl events
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_FWD_CORE wxTextUrlEvent;
wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TEXT_UPDATED, wxCommandEvent);
wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TEXT_ENTER, wxCommandEvent);
wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TEXT_URL, wxTextUrlEvent);
wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_COMMAND_TEXT_MAXLEN, wxCommandEvent);
class WXDLLIMPEXP_CORE wxTextUrlEvent : public wxCommandEvent
{
public:
wxTextUrlEvent(int winid, const wxMouseEvent& evtMouse,
long start, long end)
: wxCommandEvent(wxEVT_COMMAND_TEXT_URL, winid),
m_evtMouse(evtMouse), m_start(start), m_end(end)
{ }
wxTextUrlEvent(const wxTextUrlEvent& event)
: wxCommandEvent(event),
m_evtMouse(event.m_evtMouse),
m_start(event.m_start),
m_end(event.m_end) { }
// get the mouse event which happend over the URL
const wxMouseEvent& GetMouseEvent() const { return m_evtMouse; }
// get the start of the URL
long GetURLStart() const { return m_start; }
// get the end of the URL
long GetURLEnd() const { return m_end; }
virtual wxEvent *Clone() const { return new wxTextUrlEvent(*this); }
protected:
// the corresponding mouse event
wxMouseEvent m_evtMouse;
// the start and end indices of the URL in the text control
long m_start,
m_end;
private:
DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxTextUrlEvent)
public:
// for wxWin RTTI only, don't use
wxTextUrlEvent() : m_evtMouse(), m_start(0), m_end(0) { }
};
typedef void (wxEvtHandler::*wxTextUrlEventFunction)(wxTextUrlEvent&);
#define wxTextEventHandler(func) wxCommandEventHandler(func)
#define wxTextUrlEventHandler(func) \
wxEVENT_HANDLER_CAST(wxTextUrlEventFunction, func)
#define wx__DECLARE_TEXTEVT(evt, id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_TEXT_ ## evt, id, wxTextEventHandler(fn))
#define wx__DECLARE_TEXTURLEVT(evt, id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_TEXT_ ## evt, id, wxTextUrlEventHandler(fn))
#define EVT_TEXT(id, fn) wx__DECLARE_TEXTEVT(UPDATED, id, fn)
#define EVT_TEXT_ENTER(id, fn) wx__DECLARE_TEXTEVT(ENTER, id, fn)
#define EVT_TEXT_URL(id, fn) wx__DECLARE_TEXTURLEVT(URL, id, fn)
#define EVT_TEXT_MAXLEN(id, fn) wx__DECLARE_TEXTEVT(MAXLEN, id, fn)
#if wxHAS_TEXT_WINDOW_STREAM
// ----------------------------------------------------------------------------
// wxStreamToTextRedirector: this class redirects all data sent to the given
// C++ stream to the wxTextCtrl given to its ctor during its lifetime.
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxStreamToTextRedirector
{
private:
void Init(wxTextCtrl *text)
{
m_sbufOld = m_ostr.rdbuf();
m_ostr.rdbuf(text);
}
public:
wxStreamToTextRedirector(wxTextCtrl *text)
: m_ostr(wxSTD cout)
{
Init(text);
}
wxStreamToTextRedirector(wxTextCtrl *text, wxSTD ostream *ostr)
: m_ostr(*ostr)
{
Init(text);
}
~wxStreamToTextRedirector()
{
m_ostr.rdbuf(m_sbufOld);
}
private:
// the stream we're redirecting
wxSTD ostream& m_ostr;
// the old streambuf (before we changed it)
wxSTD streambuf *m_sbufOld;
};
#endif // wxHAS_TEXT_WINDOW_STREAM
#endif // wxUSE_TEXTCTRL
#endif
// _WX_TEXTCTRL_H_BASE_
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