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 + 1;
top += mFontHeight;
}
return IntPoint((int)left, top);
}
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)
{
// это последняя строка
bool lastline = !(line + 1 != mLineInfo.end());
// наша строчка
if (top + height > _value.top || lastline)
{
top += height;
float left = (float)line->offset;
int count = 0;
// ищем символ
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 + 1;
}
}
return result;
}
void EditText::doRender()
{
if (nullptr == mFont || !mVisible || mEmptyView)
return;
if (mRenderItem->getCurrentUpdate() || mTextOutDate)
updateRawData();
Vertex* vertex = mRenderItem->getCurrentVertexBuffer();
const RenderTargetInfo& renderTargetInfo = mRenderItem->getRenderTarget()->getInfo();
// колличество отрисованных вершин
size_t vertexCount = 0;
// текущие цвета
uint32 colour = mCurrentColourNative;
uint32 inverseColour = mInverseColourNative;
uint32 selectedColour = mInvertSelect ? inverseColour : mSelectionBgColor;
const VectorLineInfo& textViewData = mTextView.getData();
float top = (float)(-mViewOffset.top + mCoord.top);
FloatRect vertexRect;
const FloatRect& selectedUVRect = mFont->getGlyphInfo(mBackgroundNormal ? FontCodeType::Selected : FontCodeType::SelectedBack)->uvRect;
size_t index = 0;
for (VectorLineInfo::const_iterator line = textViewData.begin(); line != textViewData.end(); ++line)
{
float left = (float)(line->offset - mViewOffset.left + mCoord.left);
for (VectorCharInfo::const_iterator sim = line->simbols.begin(); sim != line->simbols.end(); ++sim)
{
if (sim->isColour())
{
colour = sim->getColour() | (colour & 0xFF000000);
inverseColour = colour ^ 0x00FFFFFF;
selectedColour = mInvertSelect ? inverseColour : mSelectionBgColor;
continue;
}
// смещение текстуры для фона
bool select = index >= mStartSelect && index < mEndSelect;
float fullAdvance = sim->getBearingX() + sim->getAdvance();
// Render the selection, if any, first.
if (select)
{
vertexRect.set(left, top, left + fullAdvance, top + (float)mFontHeight);
drawGlyph(renderTargetInfo, vertex, vertexCount, vertexRect, selectedUVRect, selectedColour);
}
// Render the glyph shadow, if any.
if (mShadow)
{
vertexRect.left = left + sim->getBearingX() + 1.0f;
vertexRect.top = top + sim->getBearingY() + 1.0f;
vertexRect.right = vertexRect.left + sim->getWidth();
vertexRect.bottom = vertexRect.top + sim->getHeight();
drawGlyph(renderTargetInfo, vertex, vertexCount, vertexRect, sim->getUVRect(), mShadowColourNative);
}
// Render the glyph itself.
vertexRect.left = left + sim->getBearingX();
vertexRect.top = top + sim->getBearingY();
vertexRect.right = vertexRect.left + sim->getWidth();
vertexRect.bottom = vertexRect.top + sim->getHeight();
drawGlyph(renderTargetInfo, vertex, vertexCount, vertexRect, sim->getUVRect(), (!select || !mInvertSelect) ? colour : inverseColour);
left += fullAdvance;
++index;
}
top += mFontHeight;
++index;
}
// Render the cursor, if any, last.
if (mVisibleCursor)
{
IntPoint point = mTextView.getCursorPoint(mCursorPosition) - mViewOffset + mCoord.point();
GlyphInfo* cursorGlyph = mFont->getGlyphInfo(static_cast<Char>(FontCodeType::Cursor));
vertexRect.set((float)point.left, (float)point.top, (float)point.left + cursorGlyph->width, (float)(point.top + mFontHeight));
drawGlyph(renderTargetInfo, vertex, vertexCount, vertexRect, cursorGlyph->uvRect, mCurrentColourNative | 0x00FFFFFF);
}
// колличество реально отрисованных вершин
mRenderItem->setLastVertexCount(vertexCount);
}