I believe that we have solved the Chinese input will encounter how to solve the problem of Chinese input, the Chinese input line is a lot of GUI framework is a problem, here is no nonsense, we open the Mygui engine layer of the widget TextView header files and source files to replace it with:
Copy Code code as follows:
/*!
@file
@author Albert Semenov
@date 09/2009
*/
#ifndef __mygui_text_view_data_h__
#define __mygui_text_view_data_h__
#include "Mygui_prerequest.h"
Namespace Mygui
{
Class Charinfo
{
Public
Charinfo ():
Miscolour (False)
{
Mmetrics.mwidth = 0.0f;
Mmetrics.mheight = 0.0f;
Mmetrics.madvance = 0.0f;
MMETRICS.MBEARINGX = 0.0f;
Mmetrics.mbearingy = 0.0f;
}
Charinfo (
Const floatrect& _rect,
Float _width,
Float _height,
Float _advance,
Float _BEARINGX,
float _bearingy):
Miscolour (False),
Muvrect (_rect)
{
Mmetrics.mwidth = _width;
Mmetrics.mheight = _height;
Mmetrics.madvance = _advance;
MMETRICS.MBEARINGX = _BEARINGX;
Mmetrics.mbearingy = _bearingy;
}
Charinfo (UInt32 _colour):
Miscolour (True),
Mcolour (_colour)
{ }
BOOL Iscolour () const
{
return miscolour;
}
float getwidth () const
{
return mmetrics.mwidth;
}
float getheight () const
{
return mmetrics.mheight;
}
float getadvance () const
{
return mmetrics.madvance;
}
float GETBEARINGX () const
{
return MMETRICS.MBEARINGX;
}
float getbearingy () const
{
return mmetrics.mbearingy;
}
Const floatrect& Getuvrect () const
{
return muvrect;
}
UInt32 Getcolour () const
{
return mcolour;
}
Private
BOOL Miscolour;
Floatrect Muvrect;
struct Metrics
{
float Mwidth;
float Mheight;
float madvance;
float Mbearingx;
float mbearingy;
};
Union
{
Metrics Mmetrics;
UInt32 Mcolour;
};
};
typedef std::vector<charinfo> VECTORCHARINFO;
struct LINEINFO
//{
Lineinfo ():
Width (0),
Offset (0),
Count (0)
// {
// }
void Clear ()
// {
width = 0;
Count = 0;
Simbols.clear ();
offset = 0;
// }
int width;
int offset;
size_t count;
Vectorcharinfo Simbols;
//};
struct LINEINFO
{
Lineinfo ():
Width (0),
Offset (0),
Count (0),
Offcount (0)
{
}
void Clear ()
{
Offcount = 0;
width = 0;
Count = 0;
Simbols.clear ();
offset = 0;
}
int offcount;
int width;
int offset;
size_t count;
Vectorcharinfo Simbols;
};
typedef std::vector<lineinfo> VECTORLINEINFO;
}//Namespace Mygui
#endif//__mygui_text_view_data_h__
The header file is above, and the following is the source file:
Copy Code code as follows:
/*!
@file
@author Albert Semenov
@date 09/2010
*/
/*
This is part of Mygui.
Mygui is free software:you can redistribute it and/or modify
It under the terms of the GNU lesser General public License as published by
The free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Mygui is distributed into the hope that it would be useful,
but without any WARRANTY; Without even the implied warranty of
merchantability or FITNESS for A particular purpose. The
GNU Lesser General public License for more details.
Should have received a copy of the GNU Lesser General public License
Along with Mygui. If not, */
#include "Mygui_precompiled.h"
#include "Mygui_textview.h"
Namespace Mygui
{
Namespace
{
Template<typename t>
void Setmin (t& _var, const t& _newvalue)
{
if (_newvalue < _var)
_var = _newvalue;
}
Template<typename t>
void Setmax (t& _var, const t& _newvalue)
{
if (_var < _newvalue)
_var = _newvalue;
}
}
Class Rollbackpoint
{
Public
Rollbackpoint ():
Position (0),
Count (0),
Width (0),
Rollback (FALSE)
{
}
void set (size_t _position, ustring::const_iterator& _space_point, size_t _count, float _width)
{
Position = _position;
Space_point = _space_point;
Count = _count;
width = _width;
Rollback = true;
}
void Clear ()
{
Rollback = false;
}
BOOL Empty () const
{
return!rollback;
}
float getwidth () const
{
Mygui_debug_assert (rollback, "rollback point not valid");
return width;
}
size_t GetCount () const
{
Mygui_debug_assert (rollback, "rollback point not valid");
return count;
}
size_t getPosition () const
{
Mygui_debug_assert (rollback, "rollback point not valid");
return position;
}
Ustring::const_iterator Gettextiter () const
{
Mygui_debug_assert (rollback, "rollback point not valid");
return space_point;
}
Private
size_t position;
Ustring::const_iterator Space_point;
size_t count;
float width;
BOOL rollback;
};
Textview::textview ():
Mlength (0),
Mfontheight (0)
{
}
void Textview::update (const ustring& _text, ifont* _font, int _height, Align _align, vertexcolourtype _format, int _ma Xwidth)
{
Mfontheight = _height;
Массивдлябыстройконвертациицветов
static const char CONVERT_COLOUR[64] =
{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0,
0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 10, 11, 12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
Mviewsize.clear ();
Rollbackpoint Roll_back;
IntSize result;
float width = 0.0f;
size_t count = 0;
mlength = 0;
Mlineinfo.clear ();
Lineinfo Line_info;
int font_height = _font->getdefaultheight ();
Ustring::const_iterator end = _text.end ();
Ustring::const_iterator index = _text.begin ();
/*if (index = = end)
return;*/
Result.height + = _height;
for (; index!= end; ++index)
{
Char character = *index;
Новаястрока
if (character = = FONTCODETYPE::CR
|| character = = Fontcodetype::nel
|| character = = FONTCODETYPE::LF)
{
if (character = = FONTCODETYPE::CR)
{
Ustring::const_iterator Peeki = index;
++peeki;
if ((Peeki!= end) && (*peeki = = FONTCODETYPE::LF))
index = Peeki; Skip both as one newline
}
Line_info.width = (int) ceil (width);
Line_info.count = count;
Mlength + = Line_info.count + 1;
Mlength + = Line_info.offcount;
Result.height + = _height;
Setmax (Result.width, line_info.width);
width = 0;
Count = 0;
Mlineinfo.push_back (Line_info);
Line_info.clear ();
Отменяемоткат
Roll_back.clear ();
Continue
}
Тег
else if (character = = L ' # ')
{
Беремследующийсимвол
+ + index;
if (index = = end)
{
--index; Этозащита
Continue
}
character = *index;
Еслидваподряд,торисуемодиншарп,еслинеттоменяемцвет
if (character!= L ' # ')
{
Парсимпервыйсимвол
UInt32 colour = convert_colour[(character-48) & 0x3F];
Иещепятьсимволовпослешарпа
for (char i = 0; i < 5; i++)
{
+ + index;
if (index = = end)
{
--index; Этозащита
Continue
}
Colour <<= 4;
Colour + + convert_colour[(*index) & 0x3F];
}
Еслинужно,томеняемкрасныйисинийкомпоненты
Texture_utility::convertcolour (colour, _format);
Line_info.simbols.push_back (Charinfo (colour));
Continue
}
}
glyphinfo* info = _font->getglyphinfo (character);
if (info = = nullptr)
Continue
if (fontcodetype::space = = character)
{
Roll_back.set (Line_info.simbols.size (), index, count, width);
}
else if (Fontcodetype::tab = = character)
{
Roll_back.set (Line_info.simbols.size (), index, count, width);
}
float Char_width = info->width;
float Char_height = info->height;
float char_advance = info->advance;
float CHAR_BEARINGX = info->bearingx;
float char_bearingy = info->bearingy;
if (_height!= font_height)
{
Float scale = (float) _height/font_height;
Char_width *= Scale;
Char_height *= Scale;
Char_advance *= Scale;
Char_bearingx *= Scale;
Char_bearingy *= Scale;
}
Float char_fulladvance = char_bearingx + char_advance;
Переносслов
if (_maxwidth!=-1
&& (width + char_fulladvance) > _maxwidth
/*&&!roll_back.empty () */)
{
--index;
Откатываемдопоследнегопробела
/*width = Roll_back.getwidth ();
Count = Roll_back.getcount ();
index = Roll_back.gettextiter ();
Line_info.simbols.erase (Line_info.simbols.begin () + roll_back.getposition (), Line_info.simbols.end ());
запоминаемместоотката,какполнуюстроку
/*line_info.width = (int) ceil (width);
Line_info.count = count;
Mlength + = Line_info.count + 1;
Result.height + = _height;
Setmax (Result.width, line_info.width);
width = 0;
Count = 0;
Mlineinfo.push_back (Line_info);
Line_info.clear ();
запоминаемместоотката,какполнуюстроку
Line_info.width = (int) ceil (width);
Line_info.count = count;
Line_info.offcount = 0;
Mlength + = line_info.count;//+ 1;
Result.height + = _height;
Setmax (Result.width, line_info.width);
width = 0;
Count = 0;
Mlineinfo.push_back (Line_info);
Line_info.clear ();
Отменяемоткат
Roll_back.clear ();
Continue
}
Line_info.simbols.push_back (Charinfo (Info->uvrect, Char_width, Char_height, Char_advance, Char_bearingx, Char_ Bearingy));
width + + char_fulladvance;
Count + +;
}
Line_info.width = (int) ceil (width);
Line_info.count = count;
Mlength + = Line_info.count;
Mlineinfo.push_back (Line_info);
Setmax (Result.width, line_info.width);
Теперьвыравниваниемстроки
for (Vectorlineinfo::iterator line = Mlineinfo.begin (), line!= mlineinfo.end (); ++line)
{
if (_align.isright ())
Line->offset = result.width-line->width;
else if (_align.ishcenter ())
Line->offset = (result.width-line->width)/2;
}
Mviewsize = result;
}
size_t textview::getcursorposition (const intpoint& _value)
{
const int height = mfontheight;
size_t result = 0;
int top = 0;
for (Vectorlineinfo::const_iterator line = Mlineinfo.begin (), line!= mlineinfo.end (); ++line)
{
Этопоследняястрока
BOOL LastLine =! (line + 1!= mlineinfo.end ());
Нашастрочка
if (top + height > _value.top | | lastline)
{
Top + = height;
float left = (float) line->offset;
int count = 0;
Ищемсимвол
for (Vectorcharinfo::const_iterator sim = Line->simbols.begin (); Sim!= line->simbols.end (); ++sim)
{
if (Sim->iscolour ())
Continue
float fulladvance = sim->getadvance () + SIM->GETBEARINGX ();
if (left + fulladvance/2.0f > _value.left)
{
Break
}
Left + + fulladvance;
Count + +;
}
result = count;
Break
}
if (!lastline)
{
Top + = height;
Result + = Line->count + line->offcount;
}
}
return result;
}
Intpoint textview::getcursorpoint (size_t _position)
{
Setmin (_position, mlength);
size_t position = 0;
int top = 0;
float left = 0.0f;
for (Vectorlineinfo::const_iterator line = Mlineinfo.begin (), line!= mlineinfo.end (); ++line)
{
left = (float) line->offset;
if (position + line->count >= _position)
{
for (Vectorcharinfo::const_iterator sim = Line->simbols.begin (); Sim!= line->simbols.end (); ++sim)
{
if (Sim->iscolour ())
Continue
if (position = = _position)
Break
Position + +;
Left + = Sim->getbearingx () + sim->getadvance ();
}
Break
}
Position + + Line->count + line->offcount;
Top + = Mfontheight;
}
return Intpoint ((int) left, top);
}
Const intsize& textview::getviewsize () const
{
return mviewsize;
}
size_t textview::gettextlength () const
{
return mlength;
}
Const vectorlineinfo& Textview::getdata () const
{
return mlineinfo;
}
}//Namespace Mygui
After you modify these two, you can then change the edit control to multiline support and word wrapping, which enables Mygui to be wrapped in Chinese automatically.
