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Prepare GUI for IME support

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This commit is contained in:
yw05
2021-03-30 13:52:45 +02:00
committed by sfan5
parent d7127df9f8
commit 32004b9c5f
7 changed files with 122 additions and 56 deletions
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133
source/Irrlicht/CGUIEditBox.cpp
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@ -252,6 +252,10 @@ bool CGUIEditBox::OnEvent(const SEvent& event)
if (processMouse(event))
return true;
break;
case EET_STRING_INPUT_EVENT:
inputString(*event.StringInput.Str);
return true;
break;
default:
break;
}
@ -1391,76 +1395,91 @@ s32 CGUIEditBox::getLineFromPos(s32 pos)
void CGUIEditBox::inputChar(wchar_t c)
{
if (c == 0)
return;
core::stringw s(&c, 1);
inputString(s);
}
void CGUIEditBox::inputString(const core::stringw &str)
{
if (!isEnabled())
return;
if (c != 0)
core::stringw s;
u32 len = str.size();
if (MarkBegin != MarkEnd)
{
// replace marked text
const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
s = Text.subString(0, realmbgn);
s.append(str);
s.append( Text.subString(realmend, Text.size()-realmend) );
Text = s;
CursorPos = realmbgn+len;
}
else if ( OverwriteMode )
{
//check to see if we are at the end of the text
if ( (u32)CursorPos+len < Text.size())
{
core::stringw s;
if (MarkBegin != MarkEnd)
bool isEOL = false;
s32 EOLPos;
for (u32 i = CursorPos; i < CursorPos+len && i < Max; i++)
{
// replace marked text
const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
s = Text.subString(0, realmbgn);
s.append(c);
s.append( Text.subString(realmend, Text.size()-realmend) );
Text = s;
CursorPos = realmbgn+1;
}
else if ( OverwriteMode )
{
//check to see if we are at the end of the text
if ( (u32)CursorPos != Text.size())
if (Text[i] == L'\n' || Text[i] == L'\r')
{
bool isEOL = (Text[CursorPos] == L'\n' ||Text[CursorPos] == L'\r' );
if (!isEOL || Text.size() < Max || Max == 0)
{
s = Text.subString(0, CursorPos);
s.append(c);
if ( isEOL )
{
//just keep appending to the current line
//This follows the behavior of other gui libraries behaviors
s.append( Text.subString(CursorPos, Text.size()-CursorPos) );
}
else
{
//replace the next character
s.append( Text.subString(CursorPos + 1,Text.size() - CursorPos + 1));
}
Text = s;
++CursorPos;
}
}
else if (Text.size() < Max || Max == 0)
{
// add new character because we are at the end of the string
s = Text.subString(0, CursorPos);
s.append(c);
s.append( Text.subString(CursorPos, Text.size()-CursorPos) );
Text = s;
++CursorPos;
isEOL = true;
EOLPos = i;
break;
}
}
else if (Text.size() < Max || Max == 0)
if (!isEOL || Text.size()+len <= Max || Max == 0)
{
// add new character
s = Text.subString(0, CursorPos);
s.append(c);
s.append( Text.subString(CursorPos, Text.size()-CursorPos) );
s.append(str);
if ( isEOL )
{
//just keep appending to the current line
//This follows the behavior of other gui libraries behaviors
s.append( Text.subString(EOLPos, Text.size()-EOLPos) );
}
else
{
//replace the next character
s.append( Text.subString(CursorPos + len,Text.size() - CursorPos - len));
}
Text = s;
++CursorPos;
CursorPos+=len;
}
BlinkStartTime = os::Timer::getTime();
setTextMarkers(0, 0);
}
else if (Text.size()+len <= Max || Max == 0)
{
// add new character because we are at the end of the string
s = Text.subString(0, CursorPos);
s.append(str);
s.append( Text.subString(CursorPos+len, Text.size()-CursorPos-len) );
Text = s;
CursorPos+=len;
}
}
else if (Text.size()+len <= Max || Max == 0)
{
// add new character
s = Text.subString(0, CursorPos);
s.append(str);
s.append( Text.subString(CursorPos, Text.size()-CursorPos) );
Text = s;
CursorPos+=len;
}
BlinkStartTime = os::Timer::getTime();
setTextMarkers(0, 0);
breakText();
calculateScrollPos();
sendGuiEvent(EGET_EDITBOX_CHANGED);
@ -1625,6 +1644,12 @@ void CGUIEditBox::sendGuiEvent(EGUI_EVENT_TYPE type)
}
}
//! Returns whether the element takes input from the IME
bool CGUIEditBox::acceptsIME()
{
return isEnabled();
}
//! Writes attributes of the element.
void CGUIEditBox::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
{