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wxWidgets/src/common/textcmn.cpp

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///////////////////////////////////////////////////////////////////////////////
// Name: src/common/textcmn.cpp
// Purpose: implementation of platform-independent functions of wxTextCtrl
// Author: Julian Smart
// Modified by:
// Created: 13.07.99
// RCS-ID: $Id$
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/event.h"
#endif // WX_PRECOMP
#if wxUSE_TEXTCTRL
#include "wx/textctrl.h"
#ifndef WX_PRECOMP
#include "wx/intl.h"
#include "wx/log.h"
#endif // WX_PRECOMP
#include "wx/ffile.h"
extern WXDLLEXPORT_DATA(const char) wxTextCtrlNameStr[] = "text";
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
// we don't have any objects of type wxTextCtrlBase in the program, only
// wxTextCtrl, so this cast is safe
#define TEXTCTRL(ptr) ((wxTextCtrl *)(ptr))
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// XTI
// ----------------------------------------------------------------------------
wxDEFINE_FLAGS( wxTextCtrlStyle )
wxBEGIN_FLAGS( wxTextCtrlStyle )
// new style border flags, we put them first to
// use them for streaming out
wxFLAGS_MEMBER(wxBORDER_SIMPLE)
wxFLAGS_MEMBER(wxBORDER_SUNKEN)
wxFLAGS_MEMBER(wxBORDER_DOUBLE)
wxFLAGS_MEMBER(wxBORDER_RAISED)
wxFLAGS_MEMBER(wxBORDER_STATIC)
wxFLAGS_MEMBER(wxBORDER_NONE)
// old style border flags
wxFLAGS_MEMBER(wxSIMPLE_BORDER)
wxFLAGS_MEMBER(wxSUNKEN_BORDER)
wxFLAGS_MEMBER(wxDOUBLE_BORDER)
wxFLAGS_MEMBER(wxRAISED_BORDER)
wxFLAGS_MEMBER(wxSTATIC_BORDER)
wxFLAGS_MEMBER(wxBORDER)
// standard window styles
wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
wxFLAGS_MEMBER(wxCLIP_CHILDREN)
wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
wxFLAGS_MEMBER(wxWANTS_CHARS)
wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
wxFLAGS_MEMBER(wxVSCROLL)
wxFLAGS_MEMBER(wxHSCROLL)
wxFLAGS_MEMBER(wxTE_PROCESS_ENTER)
wxFLAGS_MEMBER(wxTE_PROCESS_TAB)
wxFLAGS_MEMBER(wxTE_MULTILINE)
wxFLAGS_MEMBER(wxTE_PASSWORD)
wxFLAGS_MEMBER(wxTE_READONLY)
wxFLAGS_MEMBER(wxHSCROLL)
wxFLAGS_MEMBER(wxTE_RICH)
wxFLAGS_MEMBER(wxTE_RICH2)
wxFLAGS_MEMBER(wxTE_AUTO_URL)
wxFLAGS_MEMBER(wxTE_NOHIDESEL)
wxFLAGS_MEMBER(wxTE_LEFT)
wxFLAGS_MEMBER(wxTE_CENTRE)
wxFLAGS_MEMBER(wxTE_RIGHT)
wxFLAGS_MEMBER(wxTE_DONTWRAP)
wxFLAGS_MEMBER(wxTE_CHARWRAP)
wxFLAGS_MEMBER(wxTE_WORDWRAP)
wxEND_FLAGS( wxTextCtrlStyle )
wxIMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl, wxControl, "wx/textctrl.h")
wxBEGIN_PROPERTIES_TABLE(wxTextCtrl)
wxEVENT_PROPERTY( TextUpdated, wxEVT_COMMAND_TEXT_UPDATED, wxCommandEvent )
wxEVENT_PROPERTY( TextEnter, wxEVT_COMMAND_TEXT_ENTER, wxCommandEvent )
wxPROPERTY( Font, wxFont, SetFont, GetFont , wxEMPTY_PARAMETER_VALUE, \
0 /*flags*/, wxT("Helpstring"), wxT("group") )
wxPROPERTY( Value, wxString, SetValue, GetValue, wxString(), \
0 /*flags*/, wxT("Helpstring"), wxT("group"))
wxPROPERTY_FLAGS( WindowStyle, wxTextCtrlStyle, long, SetWindowStyleFlag, \
GetWindowStyleFlag, wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, \
wxT("Helpstring"), wxT("group")) // style
wxEND_PROPERTIES_TABLE()
wxEMPTY_HANDLERS_TABLE(wxTextCtrl)
wxCONSTRUCTOR_6( wxTextCtrl, wxWindow*, Parent, wxWindowID, Id, \
wxString, Value, wxPoint, Position, wxSize, Size, \
long, WindowStyle)
IMPLEMENT_DYNAMIC_CLASS(wxTextUrlEvent, wxCommandEvent)
wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_UPDATED, wxCommandEvent );
wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_ENTER, wxCommandEvent );
wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_URL, wxTextUrlEvent );
wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_MAXLEN, wxCommandEvent );
IMPLEMENT_ABSTRACT_CLASS(wxTextCtrlBase, wxControl)
// ============================================================================
// wxTextAttr implementation
// ============================================================================
wxTextAttr::wxTextAttr(const wxColour& colText,
const wxColour& colBack,
const wxFont& font,
wxTextAttrAlignment alignment): m_textAlignment(alignment), m_colText(colText), m_colBack(colBack)
{
Init();
if (m_colText.Ok()) m_flags |= wxTEXT_ATTR_TEXT_COLOUR;
if (m_colBack.Ok()) m_flags |= wxTEXT_ATTR_BACKGROUND_COLOUR;
if (alignment != wxTEXT_ALIGNMENT_DEFAULT)
m_flags |= wxTEXT_ATTR_ALIGNMENT;
GetFontAttributes(font);
}
// Initialisation
void wxTextAttr::Init()
{
m_textAlignment = wxTEXT_ALIGNMENT_DEFAULT;
m_flags = 0;
m_leftIndent = 0;
m_leftSubIndent = 0;
m_rightIndent = 0;
m_fontSize = 12;
m_fontStyle = wxFONTSTYLE_NORMAL;
m_fontWeight = wxFONTWEIGHT_NORMAL;
m_fontUnderlined = false;
m_fontEncoding = wxFONTENCODING_DEFAULT;
m_fontFamily = wxFONTFAMILY_DEFAULT;
m_paragraphSpacingAfter = 0;
m_paragraphSpacingBefore = 0;
m_lineSpacing = 0;
m_bulletStyle = wxTEXT_ATTR_BULLET_STYLE_NONE;
m_textEffects = wxTEXT_ATTR_EFFECT_NONE;
m_textEffectFlags = wxTEXT_ATTR_EFFECT_NONE;
m_outlineLevel = 0;
m_bulletNumber = 0;
}
// Copy
void wxTextAttr::Copy(const wxTextAttr& attr)
{
m_colText = attr.m_colText;
m_colBack = attr.m_colBack;
m_textAlignment = attr.m_textAlignment;
m_leftIndent = attr.m_leftIndent;
m_leftSubIndent = attr.m_leftSubIndent;
m_rightIndent = attr.m_rightIndent;
m_tabs = attr.m_tabs;
m_flags = attr.m_flags;
m_fontSize = attr.m_fontSize;
m_fontStyle = attr.m_fontStyle;
m_fontWeight = attr.m_fontWeight;
m_fontUnderlined = attr.m_fontUnderlined;
m_fontFaceName = attr.m_fontFaceName;
m_fontEncoding = attr.m_fontEncoding;
m_fontFamily = attr.m_fontFamily;
m_textEffects = attr.m_textEffects;
m_textEffectFlags = attr.m_textEffectFlags;
m_paragraphSpacingAfter = attr.m_paragraphSpacingAfter;
m_paragraphSpacingBefore = attr.m_paragraphSpacingBefore;
m_lineSpacing = attr.m_lineSpacing;
m_characterStyleName = attr.m_characterStyleName;
m_paragraphStyleName = attr.m_paragraphStyleName;
m_listStyleName = attr.m_listStyleName;
m_bulletStyle = attr.m_bulletStyle;
m_bulletNumber = attr.m_bulletNumber;
m_bulletText = attr.m_bulletText;
m_bulletFont = attr.m_bulletFont;
m_bulletName = attr.m_bulletName;
m_outlineLevel = attr.m_outlineLevel;
m_urlTarget = attr.m_urlTarget;
}
// operators
void wxTextAttr::operator= (const wxTextAttr& attr)
{
Copy(attr);
}
// Equality test
bool wxTextAttr::operator== (const wxTextAttr& attr) const
{
return GetFlags() == attr.GetFlags() &&
GetTextColour() == attr.GetTextColour() &&
GetBackgroundColour() == attr.GetBackgroundColour() &&
GetAlignment() == attr.GetAlignment() &&
GetLeftIndent() == attr.GetLeftIndent() &&
GetLeftSubIndent() == attr.GetLeftSubIndent() &&
GetRightIndent() == attr.GetRightIndent() &&
TabsEq(GetTabs(), attr.GetTabs()) &&
GetParagraphSpacingAfter() == attr.GetParagraphSpacingAfter() &&
GetParagraphSpacingBefore() == attr.GetParagraphSpacingBefore() &&
GetLineSpacing() == attr.GetLineSpacing() &&
GetCharacterStyleName() == attr.GetCharacterStyleName() &&
GetParagraphStyleName() == attr.GetParagraphStyleName() &&
GetListStyleName() == attr.GetListStyleName() &&
GetBulletStyle() == attr.GetBulletStyle() &&
GetBulletText() == attr.GetBulletText() &&
GetBulletNumber() == attr.GetBulletNumber() &&
GetBulletFont() == attr.GetBulletFont() &&
GetBulletName() == attr.GetBulletName() &&
GetTextEffects() == attr.GetTextEffects() &&
GetTextEffectFlags() == attr.GetTextEffectFlags() &&
GetOutlineLevel() == attr.GetOutlineLevel() &&
GetFontSize() == attr.GetFontSize() &&
GetFontStyle() == attr.GetFontStyle() &&
GetFontWeight() == attr.GetFontWeight() &&
GetFontUnderlined() == attr.GetFontUnderlined() &&
GetFontFaceName() == attr.GetFontFaceName() &&
GetFontEncoding() == attr.GetFontEncoding() &&
GetFontFamily() == attr.GetFontFamily() &&
GetURL() == attr.GetURL();
}
// Partial equality test. Only returns false if an attribute doesn't match.
bool wxTextAttr::EqPartial(const wxTextAttr& attr) const
{
int flags = attr.GetFlags();
if ((flags & wxTEXT_ATTR_TEXT_COLOUR) && GetTextColour() != attr.GetTextColour())
return false;
if ((flags & wxTEXT_ATTR_BACKGROUND_COLOUR) && GetBackgroundColour() != attr.GetBackgroundColour())
return false;
if ((flags & wxTEXT_ATTR_FONT_FACE) &&
GetFontFaceName() != attr.GetFontFaceName())
return false;
if ((flags & wxTEXT_ATTR_FONT_SIZE) &&
GetFontSize() != attr.GetFontSize())
return false;
if ((flags & wxTEXT_ATTR_FONT_WEIGHT) &&
GetFontWeight() != attr.GetFontWeight())
return false;
if ((flags & wxTEXT_ATTR_FONT_ITALIC) &&
GetFontStyle() != attr.GetFontStyle())
return false;
if ((flags & wxTEXT_ATTR_FONT_UNDERLINE) &&
GetFontUnderlined() != attr.GetFontUnderlined())
return false;
if ((flags & wxTEXT_ATTR_FONT_ENCODING) &&
GetFontEncoding() != attr.GetFontEncoding())
return false;
if ((flags & wxTEXT_ATTR_FONT_FAMILY) &&
GetFontFamily() != attr.GetFontFamily())
return false;
if ((flags & wxTEXT_ATTR_URL) && GetURL() != attr.GetURL())
return false;
if ((flags & wxTEXT_ATTR_ALIGNMENT) && GetAlignment() != attr.GetAlignment())
return false;
if ((flags & wxTEXT_ATTR_LEFT_INDENT) &&
((GetLeftIndent() != attr.GetLeftIndent()) || (GetLeftSubIndent() != attr.GetLeftSubIndent())))
return false;
if ((flags & wxTEXT_ATTR_RIGHT_INDENT) &&
(GetRightIndent() != attr.GetRightIndent()))
return false;
if ((flags & wxTEXT_ATTR_PARA_SPACING_AFTER) &&
(GetParagraphSpacingAfter() != attr.GetParagraphSpacingAfter()))
return false;
if ((flags & wxTEXT_ATTR_PARA_SPACING_BEFORE) &&
(GetParagraphSpacingBefore() != attr.GetParagraphSpacingBefore()))
return false;
if ((flags & wxTEXT_ATTR_LINE_SPACING) &&
(GetLineSpacing() != attr.GetLineSpacing()))
return false;
if ((flags & wxTEXT_ATTR_CHARACTER_STYLE_NAME) &&
(GetCharacterStyleName() != attr.GetCharacterStyleName()))
return false;
if ((flags & wxTEXT_ATTR_PARAGRAPH_STYLE_NAME) &&
(GetParagraphStyleName() != attr.GetParagraphStyleName()))
return false;
if ((flags & wxTEXT_ATTR_LIST_STYLE_NAME) &&
(GetListStyleName() != attr.GetListStyleName()))
return false;
if ((flags & wxTEXT_ATTR_BULLET_STYLE) &&
(GetBulletStyle() != attr.GetBulletStyle()))
return false;
if ((flags & wxTEXT_ATTR_BULLET_NUMBER) &&
(GetBulletNumber() != attr.GetBulletNumber()))
return false;
if ((flags & wxTEXT_ATTR_BULLET_TEXT) &&
(GetBulletText() != attr.GetBulletText()) &&
(GetBulletFont() != attr.GetBulletFont()))
return false;
if ((flags & wxTEXT_ATTR_BULLET_NAME) &&
(GetBulletName() != attr.GetBulletName()))
return false;
if ((flags & wxTEXT_ATTR_TABS) &&
!TabsEq(GetTabs(), attr.GetTabs()))
return false;
if ((flags & wxTEXT_ATTR_PAGE_BREAK) &&
(HasPageBreak() != attr.HasPageBreak()))
return false;
if (flags & wxTEXT_ATTR_EFFECTS)
{
if (HasTextEffects() != attr.HasTextEffects())
return false;
if (!BitlistsEqPartial(GetTextEffects(), attr.GetTextEffects(), attr.GetTextEffectFlags()))
return false;
}
if ((flags & wxTEXT_ATTR_OUTLINE_LEVEL) &&
(GetOutlineLevel() != attr.GetOutlineLevel()))
return false;
return true;
}
// Create font from font attributes.
wxFont wxTextAttr::GetFont() const
{
if ( !HasFont() )
return wxNullFont;
int fontSize = 10;
if (HasFontSize())
fontSize = GetFontSize();
int fontStyle = wxNORMAL;
if (HasFontItalic())
fontStyle = GetFontStyle();
int fontWeight = wxNORMAL;
if (HasFontWeight())
fontWeight = GetFontWeight();
bool underlined = false;
if (HasFontUnderlined())
underlined = GetFontUnderlined();
wxString fontFaceName;
if (HasFontFaceName())
fontFaceName = GetFontFaceName();
wxFontEncoding encoding = wxFONTENCODING_DEFAULT;
if (HasFontEncoding())
encoding = GetFontEncoding();
wxFontFamily fontFamily = wxFONTFAMILY_DEFAULT;
if (HasFontFamily())
fontFamily = GetFontFamily();
wxFont font(fontSize, fontFamily, fontStyle, fontWeight, underlined, fontFaceName, encoding);
return font;
}
// Get attributes from font.
bool wxTextAttr::GetFontAttributes(const wxFont& font, int flags)
{
if (!font.Ok())
return false;
if (flags & wxTEXT_ATTR_FONT_SIZE)
m_fontSize = font.GetPointSize();
if (flags & wxTEXT_ATTR_FONT_ITALIC)
m_fontStyle = font.GetStyle();
if (flags & wxTEXT_ATTR_FONT_WEIGHT)
m_fontWeight = font.GetWeight();
if (flags & wxTEXT_ATTR_FONT_UNDERLINE)
m_fontUnderlined = font.GetUnderlined();
if (flags & wxTEXT_ATTR_FONT_FACE)
m_fontFaceName = font.GetFaceName();
if (flags & wxTEXT_ATTR_FONT_ENCODING)
m_fontEncoding = font.GetEncoding();
if (flags & wxTEXT_ATTR_FONT_FAMILY)
{
// wxFont might not know its family, avoid setting m_fontFamily to an
// invalid value and rather pretend that we don't have any font family
// information at all in this case
const wxFontFamily fontFamily = font.GetFamily();
if ( fontFamily == wxFONTFAMILY_UNKNOWN )
flags &= ~wxTEXT_ATTR_FONT_FAMILY;
else
m_fontFamily = fontFamily;
}
m_flags |= flags;
return true;
}
// Resets bits in destination so new attributes aren't merged with mutually exclusive ones
static bool wxResetIncompatibleBits(const int mask, const int srcFlags, int& destFlags, int& destBits)
{
if ((srcFlags & mask) && (destFlags & mask))
{
destBits &= ~mask;
destFlags &= ~mask;
}
return true;
}
bool wxTextAttr::Apply(const wxTextAttr& style, const wxTextAttr* compareWith)
{
wxTextAttr& destStyle = (*this);
if (style.HasFontWeight())
{
if (!(compareWith && compareWith->HasFontWeight() && compareWith->GetFontWeight() == style.GetFontWeight()))
destStyle.SetFontWeight(style.GetFontWeight());
}
if (style.HasFontSize())
{
if (!(compareWith && compareWith->HasFontSize() && compareWith->GetFontSize() == style.GetFontSize()))
destStyle.SetFontSize(style.GetFontSize());
}
if (style.HasFontItalic())
{
if (!(compareWith && compareWith->HasFontItalic() && compareWith->GetFontStyle() == style.GetFontStyle()))
destStyle.SetFontStyle(style.GetFontStyle());
}
if (style.HasFontUnderlined())
{
if (!(compareWith && compareWith->HasFontUnderlined() && compareWith->GetFontUnderlined() == style.GetFontUnderlined()))
destStyle.SetFontUnderlined(style.GetFontUnderlined());
}
if (style.HasFontFaceName())
{
if (!(compareWith && compareWith->HasFontFaceName() && compareWith->GetFontFaceName() == style.GetFontFaceName()))
destStyle.SetFontFaceName(style.GetFontFaceName());
}
if (style.HasFontEncoding())
{
if (!(compareWith && compareWith->HasFontEncoding() && compareWith->GetFontEncoding() == style.GetFontEncoding()))
destStyle.SetFontEncoding(style.GetFontEncoding());
}
if (style.HasFontFamily())
{
if (!(compareWith && compareWith->HasFontFamily() && compareWith->GetFontFamily() == style.GetFontFamily()))
destStyle.SetFontFamily(style.GetFontFamily());
}
if (style.GetTextColour().Ok() && style.HasTextColour())
{
if (!(compareWith && compareWith->HasTextColour() && compareWith->GetTextColour() == style.GetTextColour()))
destStyle.SetTextColour(style.GetTextColour());
}
if (style.GetBackgroundColour().Ok() && style.HasBackgroundColour())
{
if (!(compareWith && compareWith->HasBackgroundColour() && compareWith->GetBackgroundColour() == style.GetBackgroundColour()))
destStyle.SetBackgroundColour(style.GetBackgroundColour());
}
if (style.HasAlignment())
{
if (!(compareWith && compareWith->HasAlignment() && compareWith->GetAlignment() == style.GetAlignment()))
destStyle.SetAlignment(style.GetAlignment());
}
if (style.HasTabs())
{
if (!(compareWith && compareWith->HasTabs() && TabsEq(compareWith->GetTabs(), style.GetTabs())))
destStyle.SetTabs(style.GetTabs());
}
if (style.HasLeftIndent())
{
if (!(compareWith && compareWith->HasLeftIndent() && compareWith->GetLeftIndent() == style.GetLeftIndent()
&& compareWith->GetLeftSubIndent() == style.GetLeftSubIndent()))
destStyle.SetLeftIndent(style.GetLeftIndent(), style.GetLeftSubIndent());
}
if (style.HasRightIndent())
{
if (!(compareWith && compareWith->HasRightIndent() && compareWith->GetRightIndent() == style.GetRightIndent()))
destStyle.SetRightIndent(style.GetRightIndent());
}
if (style.HasParagraphSpacingAfter())
{
if (!(compareWith && compareWith->HasParagraphSpacingAfter() && compareWith->GetParagraphSpacingAfter() == style.GetParagraphSpacingAfter()))
destStyle.SetParagraphSpacingAfter(style.GetParagraphSpacingAfter());
}
if (style.HasParagraphSpacingBefore())
{
if (!(compareWith && compareWith->HasParagraphSpacingBefore() && compareWith->GetParagraphSpacingBefore() == style.GetParagraphSpacingBefore()))
destStyle.SetParagraphSpacingBefore(style.GetParagraphSpacingBefore());
}
if (style.HasLineSpacing())
{
if (!(compareWith && compareWith->HasLineSpacing() && compareWith->GetLineSpacing() == style.GetLineSpacing()))
destStyle.SetLineSpacing(style.GetLineSpacing());
}
if (style.HasCharacterStyleName())
{
if (!(compareWith && compareWith->HasCharacterStyleName() && compareWith->GetCharacterStyleName() == style.GetCharacterStyleName()))
destStyle.SetCharacterStyleName(style.GetCharacterStyleName());
}
if (style.HasParagraphStyleName())
{
if (!(compareWith && compareWith->HasParagraphStyleName() && compareWith->GetParagraphStyleName() == style.GetParagraphStyleName()))
destStyle.SetParagraphStyleName(style.GetParagraphStyleName());
}
if (style.HasListStyleName())
{
if (!(compareWith && compareWith->HasListStyleName() && compareWith->GetListStyleName() == style.GetListStyleName()))
destStyle.SetListStyleName(style.GetListStyleName());
}
if (style.HasBulletStyle())
{
if (!(compareWith && compareWith->HasBulletStyle() && compareWith->GetBulletStyle() == style.GetBulletStyle()))
destStyle.SetBulletStyle(style.GetBulletStyle());
}
if (style.HasBulletText())
{
if (!(compareWith && compareWith->HasBulletText() && compareWith->GetBulletText() == style.GetBulletText()))
{
destStyle.SetBulletText(style.GetBulletText());
destStyle.SetBulletFont(style.GetBulletFont());
}
}
if (style.HasBulletNumber())
{
if (!(compareWith && compareWith->HasBulletNumber() && compareWith->GetBulletNumber() == style.GetBulletNumber()))
destStyle.SetBulletNumber(style.GetBulletNumber());
}
if (style.HasBulletName())
{
if (!(compareWith && compareWith->HasBulletName() && compareWith->GetBulletName() == style.GetBulletName()))
destStyle.SetBulletName(style.GetBulletName());
}
if (style.HasURL())
{
if (!(compareWith && compareWith->HasURL() && compareWith->GetURL() == style.GetURL()))
destStyle.SetURL(style.GetURL());
}
if (style.HasPageBreak())
{
if (!(compareWith && compareWith->HasPageBreak()))
destStyle.SetPageBreak();
}
if (style.HasTextEffects())
{
if (!(compareWith && compareWith->HasTextEffects() && compareWith->GetTextEffects() == style.GetTextEffects()))
{
int destBits = destStyle.GetTextEffects();
int destFlags = destStyle.GetTextEffectFlags();
int srcBits = style.GetTextEffects();
int srcFlags = style.GetTextEffectFlags();
// Reset incompatible bits in the destination
wxResetIncompatibleBits((wxTEXT_ATTR_EFFECT_SUPERSCRIPT|wxTEXT_ATTR_EFFECT_SUBSCRIPT), srcFlags, destFlags, destBits);
wxResetIncompatibleBits((wxTEXT_ATTR_EFFECT_CAPITALS|wxTEXT_ATTR_EFFECT_SMALL_CAPITALS), srcFlags, destFlags, destBits);
wxResetIncompatibleBits((wxTEXT_ATTR_EFFECT_STRIKETHROUGH|wxTEXT_ATTR_EFFECT_DOUBLE_STRIKETHROUGH), srcFlags, destFlags, destBits);
CombineBitlists(destBits, srcBits, destFlags, srcFlags);
destStyle.SetTextEffects(destBits);
destStyle.SetTextEffectFlags(destFlags);
}
}
if (style.HasOutlineLevel())
{
if (!(compareWith && compareWith->HasOutlineLevel() && compareWith->GetOutlineLevel() == style.GetOutlineLevel()))
destStyle.SetOutlineLevel(style.GetOutlineLevel());
}
return true;
}
/* static */
wxTextAttr wxTextAttr::Combine(const wxTextAttr& attr,
const wxTextAttr& attrDef,
const wxTextCtrlBase *text)
{
wxFont font;
if (attr.HasFont())
font = attr.GetFont();
if ( !font.Ok() )
{
if (attrDef.HasFont())
font = attrDef.GetFont();
if ( text && !font.Ok() )
font = text->GetFont();
}
wxColour colFg = attr.GetTextColour();
if ( !colFg.Ok() )
{
colFg = attrDef.GetTextColour();
if ( text && !colFg.Ok() )
colFg = text->GetForegroundColour();
}
wxColour colBg = attr.GetBackgroundColour();
if ( !colBg.Ok() )
{
colBg = attrDef.GetBackgroundColour();
if ( text && !colBg.Ok() )
colBg = text->GetBackgroundColour();
}
wxTextAttr newAttr(colFg, colBg, font);
if (attr.HasAlignment())
newAttr.SetAlignment(attr.GetAlignment());
else if (attrDef.HasAlignment())
newAttr.SetAlignment(attrDef.GetAlignment());
if (attr.HasTabs())
newAttr.SetTabs(attr.GetTabs());
else if (attrDef.HasTabs())
newAttr.SetTabs(attrDef.GetTabs());
if (attr.HasLeftIndent())
newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent());
else if (attrDef.HasLeftIndent())
newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent());
if (attr.HasRightIndent())
newAttr.SetRightIndent(attr.GetRightIndent());
else if (attrDef.HasRightIndent())
newAttr.SetRightIndent(attrDef.GetRightIndent());
return newAttr;
}
/// Compare tabs
bool wxTextAttr::TabsEq(const wxArrayInt& tabs1, const wxArrayInt& tabs2)
{
if (tabs1.GetCount() != tabs2.GetCount())
return false;
size_t i;
for (i = 0; i < tabs1.GetCount(); i++)
{
if (tabs1[i] != tabs2[i])
return false;
}
return true;
}
// Remove attributes
bool wxTextAttr::RemoveStyle(wxTextAttr& destStyle, const wxTextAttr& style)
{
int flags = style.GetFlags();
int destFlags = destStyle.GetFlags();
destStyle.SetFlags(destFlags & ~flags);
return true;
}
/// Combine two bitlists, specifying the bits of interest with separate flags.
bool wxTextAttr::CombineBitlists(int& valueA, int valueB, int& flagsA, int flagsB)
{
// We want to apply B's bits to A, taking into account each's flags which indicate which bits
// are to be taken into account. A zero in B's bits should reset that bit in A but only if B's flags
// indicate it.
// First, reset the 0 bits from B. We make a mask so we're only dealing with B's zero
// bits at this point, ignoring any 1 bits in B or 0 bits in B that are not relevant.
int valueA2 = ~(~valueB & flagsB) & valueA;
// Now combine the 1 bits.
int valueA3 = (valueB & flagsB) | valueA2;
valueA = valueA3;
flagsA = (flagsA | flagsB);
return true;
}
/// Compare two bitlists
bool wxTextAttr::BitlistsEqPartial(int valueA, int valueB, int flags)
{
int relevantBitsA = valueA & flags;
int relevantBitsB = valueB & flags;
return (relevantBitsA != relevantBitsB);
}
/// Split into paragraph and character styles
bool wxTextAttr::SplitParaCharStyles(const wxTextAttr& style, wxTextAttr& parStyle, wxTextAttr& charStyle)
{
wxTextAttr defaultCharStyle1(style);
wxTextAttr defaultParaStyle1(style);
defaultCharStyle1.SetFlags(defaultCharStyle1.GetFlags()&wxTEXT_ATTR_CHARACTER);
defaultParaStyle1.SetFlags(defaultParaStyle1.GetFlags()&wxTEXT_ATTR_PARAGRAPH);
charStyle.Apply(defaultCharStyle1);
parStyle.Apply(defaultParaStyle1);
return true;
}
// apply styling to text range
bool wxTextCtrlBase::SetStyle(long WXUNUSED(start), long WXUNUSED(end),
const wxTextAttr& WXUNUSED(style))
{
// to be implemented in derived classes
return false;
}
// get the styling at the given position
bool wxTextCtrlBase::GetStyle(long WXUNUSED(position), wxTextAttr& WXUNUSED(style))
{
// to be implemented in derived classes
return false;
}
// change default text attributes
bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr& style)
{
// keep the old attributes if the new style doesn't specify them unless the
// new style is empty - then reset m_defaultStyle (as there is no other way
// to do it)
if ( style.IsDefault() )
m_defaultStyle = style;
else
m_defaultStyle = wxTextAttr::Combine(style, m_defaultStyle, this);
return true;
}
// ----------------------------------------------------------------------------
// file IO functions
// ----------------------------------------------------------------------------
bool wxTextAreaBase::DoLoadFile(const wxString& filename, int WXUNUSED(fileType))
{
#if wxUSE_FFILE
wxFFile file(filename);
if ( file.IsOpened() )
{
wxString text;
if ( file.ReadAll(&text) )
{
SetValue(text);
return true;
}
}
#endif // wxUSE_FFILE
return false;
}
bool wxTextCtrlBase::DoLoadFile(const wxString& filename, int fileType)
{
if ( wxTextAreaBase::DoLoadFile(filename, fileType) )
{
DiscardEdits();
m_filename = filename;
return true;
}
wxLogError(_("File couldn't be loaded."));
return false;
}
bool wxTextAreaBase::DoSaveFile(const wxString& filename, int WXUNUSED(fileType))
{
#if wxUSE_FFILE
wxFFile file(filename, wxT("w"));
return file.IsOpened() && file.Write(GetValue(), *wxConvCurrent);
#else
return false;
#endif // wxUSE_FFILE
}
bool wxTextAreaBase::SaveFile(const wxString& filename, int fileType)
{
wxString filenameToUse = filename.empty() ? m_filename : filename;
if ( filenameToUse.empty() )
{
// what kind of message to give? is it an error or a program bug?
wxLogDebug(wxT("Can't save textctrl to file without filename."));
return false;
}
return DoSaveFile(filenameToUse, fileType);
}
bool wxTextCtrlBase::DoSaveFile(const wxString& filename, int fileType)
{
if ( wxTextAreaBase::DoSaveFile(filename, fileType) )
{
// if it worked, save for future calls
m_filename = filename;
// it's not modified any longer
DiscardEdits();
return true;
}
return false;
}
// ----------------------------------------------------------------------------
// stream-like insertion operator
// ----------------------------------------------------------------------------
wxTextCtrl& wxTextCtrlBase::operator<<(const wxString& s)
{
AppendText(s);
return *TEXTCTRL(this);
}
wxTextCtrl& wxTextCtrlBase::operator<<(double d)
{
return *this << wxString::Format("%.2f", d);
}
wxTextCtrl& wxTextCtrlBase::operator<<(int i)
{
return *this << wxString::Format("%d", i);
}
wxTextCtrl& wxTextCtrlBase::operator<<(long l)
{
return *this << wxString::Format("%ld", l);
}
// ----------------------------------------------------------------------------
// streambuf methods implementation
// ----------------------------------------------------------------------------
#if wxHAS_TEXT_WINDOW_STREAM
int wxTextCtrlBase::overflow(int c)
{
AppendText((wxChar)c);
// return something different from EOF
return 0;
}
#endif // wxHAS_TEXT_WINDOW_STREAM
// ----------------------------------------------------------------------------
// emulating key presses
// ----------------------------------------------------------------------------
bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
{
// we have a native implementation for Win32 and so don't need this one
#ifndef __WIN32__
wxChar ch = 0;
int keycode = event.GetKeyCode();
switch ( keycode )
{
case WXK_NUMPAD0:
case WXK_NUMPAD1:
case WXK_NUMPAD2:
case WXK_NUMPAD3:
case WXK_NUMPAD4:
case WXK_NUMPAD5:
case WXK_NUMPAD6:
case WXK_NUMPAD7:
case WXK_NUMPAD8:
case WXK_NUMPAD9:
ch = (wxChar)(wxT('0') + keycode - WXK_NUMPAD0);
break;
case WXK_MULTIPLY:
case WXK_NUMPAD_MULTIPLY:
ch = wxT('*');
break;
case WXK_ADD:
case WXK_NUMPAD_ADD:
ch = wxT('+');
break;
case WXK_SUBTRACT:
case WXK_NUMPAD_SUBTRACT:
ch = wxT('-');
break;
case WXK_DECIMAL:
case WXK_NUMPAD_DECIMAL:
ch = wxT('.');
break;
case WXK_DIVIDE:
case WXK_NUMPAD_DIVIDE:
ch = wxT('/');
break;
case WXK_DELETE:
case WXK_NUMPAD_DELETE:
// delete the character at cursor
{
const long pos = GetInsertionPoint();
if ( pos < GetLastPosition() )
Remove(pos, pos + 1);
}
break;
case WXK_BACK:
// delete the character before the cursor
{
const long pos = GetInsertionPoint();
if ( pos > 0 )
Remove(pos - 1, pos);
}
break;
default:
#if wxUSE_UNICODE
if ( event.GetUnicodeKey() )
{
ch = event.GetUnicodeKey();
}
else
#endif
if ( keycode < 256 && keycode >= 0 && wxIsprint(keycode) )
{
// FIXME this is not going to work for non letters...
if ( !event.ShiftDown() )
{
keycode = wxTolower(keycode);
}
ch = (wxChar)keycode;
}
else
{
ch = wxT('\0');
}
}
if ( ch )
{
WriteText(ch);
return true;
}
#else // __WIN32__
wxUnusedVar(event);
#endif // !__WIN32__/__WIN32__
return false;
}
// do the window-specific processing after processing the update event
void wxTextCtrlBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
{
// call inherited, but skip the wxControl's version, and call directly the
// wxWindow's one instead, because the only reason why we are overriding this
// function is that we want to use SetValue() instead of wxControl::SetLabel()
wxWindowBase::DoUpdateWindowUI(event);
// update text
if ( event.GetSetText() )
{
if ( event.GetText() != GetValue() )
SetValue(event.GetText());
}
}
// ----------------------------------------------------------------------------
// hit testing
// ----------------------------------------------------------------------------
wxTextCtrlHitTestResult
wxTextAreaBase::HitTest(const wxPoint& pt, wxTextCoord *x, wxTextCoord *y) const
{
// implement in terms of the other overload as the native ports typically
// can get the position and not (x, y) pair directly (although wxUniv
// directly gets x and y -- and so overrides this method as well)
long pos;
wxTextCtrlHitTestResult rc = HitTest(pt, &pos);
if ( rc != wxTE_HT_UNKNOWN )
{
PositionToXY(pos, x, y);
}
return rc;
}
wxTextCtrlHitTestResult
wxTextAreaBase::HitTest(const wxPoint& WXUNUSED(pt), long * WXUNUSED(pos)) const
{
// not implemented
return wxTE_HT_UNKNOWN;
}
#else // !wxUSE_TEXTCTRL
// define this one even if !wxUSE_TEXTCTRL because it is also used by other
// controls (wxComboBox and wxSpinCtrl)
wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_UPDATED, wxCommandEvent );
#endif // wxUSE_TEXTCTRL/!wxUSE_TEXTCTRL
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