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Extended wxTextAttr and added wxTextCtrl::GetStyle stub

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allow better rich text support.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21272 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
2003-06-20 16:25:31 +00:00
parent f22c3c98a0
commit e00a5d3ca1
8 changed files with 663 additions and 37 deletions
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88
include/wx/textctrl.h
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@@ -25,6 +25,7 @@
#if wxUSE_TEXTCTRL
#include "wx/control.h" // the base class
#include "wx/dynarray.h"
// 16-bit Borland 4.0 doesn't seem to allow multiple inheritance with wxWindow
// and streambuf: it complains about deriving a huge class from the huge class
@@ -102,6 +103,38 @@ WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
// wxTE_RICH controls - can be used together with or instead of wxTE_RICH
#define wxTE_RICH2 0x8000
// ----------------------------------------------------------------------------
// 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
#define wxTEXT_ATTR_TEXT_COLOUR 0x0001
#define wxTEXT_ATTR_BACKGROUND_COLOUR 0x0002
#define wxTEXT_ATTR_FONT_FACE 0x0004
#define wxTEXT_ATTR_FONT_SIZE 0x0008
#define wxTEXT_ATTR_FONT_WEIGHT 0x0010
#define wxTEXT_ATTR_FONT_ITALIC 0x0020
#define wxTEXT_ATTR_FONT_UNDERLINE 0x0040
#define wxTEXT_ATTR_FONT \
wxTEXT_ATTR_FONT_FACE | wxTEXT_ATTR_FONT_SIZE | wxTEXT_ATTR_FONT_WEIGHT | wxTEXT_ATTR_FONT_ITALIC | wxTEXT_ATTR_FONT_UNDERLINE
#define wxTEXT_ATTR_ALIGNMENT 0x0080
#define wxTEXT_ATTR_LEFT_INDENT 0x0100
#define wxTEXT_ATTR_RIGHT_INDENT 0x0200
#define wxTEXT_ATTR_TABS 0x0400
// ----------------------------------------------------------------------------
// wxTextAttr: a structure containing the visual attributes of a text
// ----------------------------------------------------------------------------
@@ -110,31 +143,52 @@ class WXDLLEXPORT wxTextAttr
{
public:
// ctors
wxTextAttr() { }
wxTextAttr() { Init(); }
wxTextAttr(const wxColour& colText,
const wxColour& colBack = wxNullColour,
const wxFont& font = wxNullFont)
: m_colText(colText), m_colBack(colBack), m_font(font) { }
const wxFont& font = wxNullFont,
wxTextAttrAlignment alignment = wxTEXT_ALIGNMENT_DEFAULT);
// operations
void Init();
// operators
void operator= (const wxTextAttr& attr);
// setters
void SetTextColour(const wxColour& colText) { m_colText = colText; }
void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
void SetFont(const wxFont& font) { m_font = font; }
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 SetFont(const wxFont& font, long flags = wxTEXT_ATTR_FONT) { m_font = font; m_flags |= flags; }
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) { m_leftIndent = indent; m_flags |= wxTEXT_ATTR_LEFT_INDENT; }
void SetRightIndent(int indent) { m_rightIndent = indent; m_flags |= wxTEXT_ATTR_RIGHT_INDENT; }
void SetFlags(long flags) { m_flags = flags; }
// accessors
bool HasTextColour() const { return m_colText.Ok(); }
bool HasBackgroundColour() const { return m_colBack.Ok(); }
bool HasFont() const { return m_font.Ok(); }
bool HasTextColour() const { return m_colText.Ok() && HasFlag(wxTEXT_ATTR_TEXT_COLOUR) ; }
bool HasBackgroundColour() const { return m_colBack.Ok() && HasFlag(wxTEXT_ATTR_BACKGROUND_COLOUR) ; }
bool HasFont() const { return m_font.Ok() && HasFlag(wxTEXT_ATTR_FONT) ; }
bool HasAlignment() const { return (m_textAlignment != wxTEXT_ALIGNMENT_DEFAULT) || ((m_flags & wxTEXT_ATTR_ALIGNMENT) != 0) ; }
bool HasTabs() const { return (m_flags & wxTEXT_ATTR_TABS) != 0 ; }
bool HasLeftIndent() const { return (m_flags & wxTEXT_ATTR_LEFT_INDENT) != 0 ; }
bool HasRightIndent() const { return (m_flags & wxTEXT_ATTR_RIGHT_INDENT) != 0 ; }
bool HasFlag(long flag) const { return (m_flags & flag) != 0; }
// setters
const wxColour& GetTextColour() const { return m_colText; }
const wxColour& GetBackgroundColour() const { return m_colBack; }
const wxFont& GetFont() const { return m_font; }
wxTextAttrAlignment GetAlignment() const { return m_textAlignment; }
const wxArrayInt& GetTabs() const { return m_tabs; }
long GetLeftIndent() const { return m_leftIndent; }
long GetRightIndent() const { return m_rightIndent; }
long GetFlags() const { return m_flags; }
// returns false if we have any attributes set, true otherwise
bool IsDefault() const
{
return !HasTextColour() && !HasBackgroundColour() && !HasFont();
return !HasTextColour() && !HasBackgroundColour() && !HasFont() && !HasAlignment() &&
!HasTabs() && !HasLeftIndent() && !HasRightIndent() ;
}
// return the attribute having the valid font and colours: it uses the
@@ -145,9 +199,14 @@ public:
const wxTextCtrlBase *text);
private:
wxColour m_colText,
m_colBack;
wxFont m_font;
long m_flags;
wxColour m_colText,
m_colBack;
wxFont m_font;
wxTextAttrAlignment m_textAlignment;
wxArrayInt m_tabs; // array of int: tab stops in 1/10 mm
int m_leftIndent; // left indent in 1/10 mm
int m_rightIndent; // right indent in 1/10 mm
};
// ----------------------------------------------------------------------------
@@ -224,6 +283,7 @@ public:
// 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);
virtual bool GetStyle(long position, wxTextAttr& style);
virtual bool SetDefaultStyle(const wxTextAttr& style);
virtual const wxTextAttr& GetDefaultStyle() const;