/*************************************************************************
Draw the list box item in its current state.
*************************************************************************/
void ListboxTextItem::draw(std::vector<GeometryBuffer*>& geometry_buffers, const Rectf& targetRect,
float alpha, const Rectf* clipper) const
{
if (d_selected && d_selectBrush != 0)
{
d_selectBrush->render(geometry_buffers, targetRect, clipper, true,
d_selectCols, alpha);
}
const Font* font = getFont();
if (!font)
return;
glm::vec2 draw_pos(targetRect.getPositionGLM());
draw_pos.y += CoordConverter::alignToPixels(
(font->getLineSpacing() - font->getFontHeight()) * 0.5f);
if (!d_renderedStringValid)
parseTextString();
const ColourRect final_colours(ColourRect(0xFFFFFFFF));
for (size_t i = 0; i < d_renderedString.getLineCount(); ++i)
{
d_renderedString.draw(d_owner, i, geometry_buffers, draw_pos, &final_colours, clipper, 0.0f);
draw_pos.y += d_renderedString.getPixelSize(d_owner, i).d_height;
}
}
/*************************************************************************
Draw the list box item in its current state.
*************************************************************************/
void ListboxTextItem::draw(GeometryBuffer& buffer, const Rect& targetRect,
float alpha, const Rect* clipper) const
{
if (d_selected && d_selectBrush != 0)
d_selectBrush->draw(buffer, targetRect, clipper,
getModulateAlphaColourRect(d_selectCols, alpha));
Font* font = getFont();
if (!font)
return;
Vector2 draw_pos(targetRect.getPosition());
draw_pos.d_y += PixelAligned(
(font->getLineSpacing() - font->getFontHeight()) * 0.5f);
if (!d_renderedStringValid)
parseTextString();
const ColourRect final_colours(
getModulateAlphaColourRect(ColourRect(0xFFFFFFFF), alpha));
for (size_t i = 0; i < d_renderedString.getLineCount(); ++i)
{
d_renderedString.draw(i, buffer, draw_pos, &final_colours, clipper, 0.0f);
draw_pos.d_y += d_renderedString.getPixelSize(i).d_height;
}
}
//----------------------------------------------------------------------------//
void FormattedListboxTextItem::draw(GeometryBuffer& buffer,
const Rect& targetRect,
float alpha, const Rect* clipper) const
{
// reparse text if we need to.
if (!d_renderedStringValid)
parseTextString();
// create formatter if needed
if (!d_formattedRenderedString)
setupStringFormatter();
// get size of render area from target window, to see if we need to reformat
// NB: We do not use targetRect, since it may not represent the same area.
const Size area_sz(static_cast<const Listbox*>(d_owner)->
getListRenderArea().getSize());
if (area_sz != d_formattingAreaSize)
{
d_formattedRenderedString->format(area_sz);
d_formattingAreaSize = area_sz;
}
// draw selection imagery
if (d_selected && d_selectBrush != 0)
d_selectBrush->draw(buffer, targetRect, clipper,
getModulateAlphaColourRect(d_selectCols, alpha));
// factor the window alpha into our colours.
const ColourRect final_colours(
getModulateAlphaColourRect(ColourRect(0xFFFFFFFF), alpha));
// draw the formatted text
d_formattedRenderedString->draw(buffer, targetRect.getPosition(),
&final_colours, clipper);
}
//----------------------------------------------------------------------------//
Size FormattedListboxTextItem::getPixelSize(void) const
{
if (!d_owner)
return Size(0, 0);
// reparse text if we need to.
if (!d_renderedStringValid)
parseTextString();
// create formatter if needed
if (!d_formattedRenderedString)
setupStringFormatter();
// get size of render area from target window, to see if we need to reformat
const Size area_sz(static_cast<const Listbox*>(d_owner)->
getListRenderArea().getSize());
if (area_sz != d_formattingAreaSize)
{
d_formattedRenderedString->format(area_sz);
d_formattingAreaSize = area_sz;
}
return Size(d_formattedRenderedString->getHorizontalExtent(),
d_formattedRenderedString->getVerticalExtent());
}
//----------------------------------------------------------------------------//
void FormattedListboxTextItem::updateString() const
{
bool StringChanged = !d_renderedStringValid;
if (StringChanged) parseTextString();
if (!d_formattedRenderedString) setupStringFormatter();
else if (StringChanged) d_formattedRenderedString->setRenderedString(d_renderedString);
// get size of render area from target window, to see if we need to reformat
// NB: We do not use targetRect, since it may not represent the same area.
const Size area_sz(static_cast<const Listbox*>(d_owner)->getListRenderArea().getSize());
if (StringChanged || area_sz != d_formattingAreaSize)
{
d_formattedRenderedString->format(area_sz);
d_formattingAreaSize = area_sz;
}
}
/*************************************************************************
Draw the tree item in its current state.
*************************************************************************/
void TreeItem::draw(GeometryBuffer& buffer, const Rect &targetRect,
float alpha, const Rect *clipper) const
{
Rect finalRect(targetRect);
if (d_iconImage != 0)
{
Rect finalPos(finalRect);
finalPos.setWidth(targetRect.getHeight());
finalPos.setHeight(targetRect.getHeight());
d_iconImage->draw(buffer, finalPos, clipper,
ColourRect(colour(1,1,1,alpha)));
finalRect.d_left += targetRect.getHeight();
}
if (d_selected && d_selectBrush != 0)
d_selectBrush->draw(buffer, finalRect, clipper,
getModulateAlphaColourRect(d_selectCols, alpha));
Font* font = getFont();
if (!font)
return;
Vector2 draw_pos(finalRect.getPosition());
draw_pos.d_y -= (font->getLineSpacing() - font->getBaseline()) * 0.5f;
if (!d_renderedStringValid)
parseTextString();
const ColourRect final_colours(
getModulateAlphaColourRect(ColourRect(0xFFFFFFFF), alpha));
for (size_t i = 0; i < d_renderedString.getLineCount(); ++i)
{
d_renderedString.draw(i, buffer, draw_pos, &final_colours, clipper, 0.0f);
draw_pos.d_y += d_renderedString.getPixelSize(i).d_height;
}
}
/*************************************************************************
Return the rendered pixel size of this tree item.
*************************************************************************/
Size TreeItem::getPixelSize(void) const
{
Font* fnt = getFont();
if (!fnt)
return Size(0, 0);
if (!d_renderedStringValid)
parseTextString();
Size sz(0.0f, 0.0f);
for (size_t i = 0; i < d_renderedString.getLineCount(); ++i)
{
const Size line_sz(d_renderedString.getPixelSize(i));
sz.d_height += line_sz.d_height;
if (line_sz.d_width > sz.d_width)
sz.d_width = line_sz.d_width;
}
return sz;
}
