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SDK/TextAreaWidget: Make character erasing work with cursor 

Adds support for delete key
This commit is contained in:
Lynix 2016-12-03 00:41:27 +01:00
parent 6c03803c5e
commit 85c5f4b48b
1 changed files with 29 additions and 3 deletions
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32
SDK/src/NDK/Widgets/TextAreaWidget.cpp
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@ -115,6 +115,22 @@ namespace Ndk
{ {
switch (key.code) switch (key.code)
{ {
case Nz::Keyboard::Delete:
{
const Nz::String& text = m_drawer.GetText();
Nz::String newText;
if (m_cursorPosition > 0)
newText.Append(text.SubString(0, text.GetCharacterPosition(m_cursorPosition) - 1));
if (m_cursorPosition < m_drawer.GetGlyphCount())
newText.Append(text.SubString(text.GetCharacterPosition(m_cursorPosition + 1)));
m_drawer.SetText(newText);
m_textSprite->Update(m_drawer);
break;
}
case Nz::Keyboard::Left: case Nz::Keyboard::Left:
if (m_cursorPosition > 0) if (m_cursorPosition > 0)
m_cursorPosition--; m_cursorPosition--;
@ -169,12 +185,22 @@ namespace Ndk
{ {
case '\b': case '\b':
{ {
Nz::String text = m_drawer.GetText(); const Nz::String& text = m_drawer.GetText();
text.Resize(-1, Nz::String::HandleUtf8); Nz::String newText;
m_drawer.SetText(text); if (m_cursorPosition > 1)
newText.Append(text.SubString(0, text.GetCharacterPosition(m_cursorPosition - 1) - 1));
if (m_cursorPosition < m_drawer.GetGlyphCount())
newText.Append(text.SubString(text.GetCharacterPosition(m_cursorPosition)));
m_drawer.SetText(newText);
m_textSprite->Update(m_drawer); m_textSprite->Update(m_drawer);
if (m_cursorPosition > 0)
m_cursorPosition--;
RefreshCursor();
break; break;
} }