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#include "text_view.hpp"
#include "controller.hpp"
#include "../graphics/display_list.hpp"
#include "../graphics/screen.hpp"
#include "../geometry/transformations.hpp"
namespace gui
{
TextView::TextView(Params const & p)
: Element(p), m_maxWidth(numeric_limits<unsigned>::max())
{
setText(p.m_text);
setFont(EActive, graphics::FontDesc(12, graphics::Color(0, 0, 0, 255)));
setFont(EPressed, graphics::FontDesc(12, graphics::Color(0, 0, 0, 255)));
setColor(EActive, graphics::Color(graphics::Color(192, 192, 192, 255)));
setColor(EPressed, graphics::Color(graphics::Color(64, 64, 64, 255)));
}
void TextView::setText(string const & text)
{
if (m_text != text)
{
m_text = text;
setIsDirtyLayout(true);
}
}
string const & TextView::text() const
{
return m_text;
}
void TextView::layoutBody(EState state)
{
shared_ptr<graphics::StraightTextElement> & elem = m_elems[state];
graphics::StraightTextElement::Params params;
params.m_depth = depth();
params.m_fontDesc = font(state);
params.m_fontDesc.m_size *= visualScale();
params.m_log2vis = true;
params.m_pivot = m2::PointD(0.0, 0.0);
params.m_position = position();
params.m_glyphCache = m_controller->GetGlyphCache();
params.m_logText = strings::MakeUniString(m_text);
params.m_doSplit = true;
params.m_delimiters = "\n";
params.m_useAllParts = true;
params.m_maxPixelWidth = m_maxWidth;
elem.reset(new graphics::StraightTextElement(params));
}
void TextView::layout()
{
layoutBody(EActive);
layoutBody(EPressed);
}
void TextView::cacheBody(EState state)
{
graphics::Screen * cs = m_controller->GetCacheScreen();
shared_ptr<graphics::DisplayList> & dl = m_dls[state];
dl.reset();
dl.reset(cs->createDisplayList());
cs->beginFrame();
cs->setDisplayList(dl.get());
m_elems[state]->draw(cs, math::Identity<double, 3>());
cs->setDisplayList(0);
cs->endFrame();
}
void TextView::cache()
{
layout();
cacheBody(EActive);
cacheBody(EPressed);
}
void TextView::purge()
{
m_dls.clear();
}
void TextView::draw(graphics::OverlayRenderer *r, math::Matrix<double, 3, 3> const & m) const
{
if (isVisible())
{
checkDirtyLayout();
map<EState, shared_ptr<graphics::DisplayList> >::const_iterator it;
it = m_dls.find(state());
math::Matrix<double, 3, 3> drawM = math::Shift(math::Identity<double, 3>(),
pivot());
if (it != m_dls.end())
r->drawDisplayList(it->second.get(), drawM * m);
else
LOG(LWARNING, ("m_dls[state()] is not set!"));
}
}
vector<m2::AnyRectD> const & TextView::boundRects() const
{
if (isDirtyRect())
{
const_cast<TextView*>(this)->layout();
m_boundRects.clear();
map<EState, shared_ptr<graphics::StraightTextElement> >::const_iterator it;
it = m_elems.find(EActive);
m2::PointD pt = pivot();
if (it != m_elems.end())
m_boundRects.push_back(m2::AnyRectD(Offset(it->second->roughBoundRect(), pt)));
it = m_elems.find(EPressed);
if (it != m_elems.end())
m_boundRects.push_back(m2::AnyRectD(Offset(it->second->roughBoundRect(), pt)));
setIsDirtyRect(false);
}
return m_boundRects;
}
void TextView::setMaxWidth(unsigned width)
{
m_maxWidth = width;
setIsDirtyLayout(true);
}
bool TextView::onTapStarted(m2::PointD const & pt)
{
return false;
}
bool TextView::onTapMoved(m2::PointD const & pt)
{
return false;
}
bool TextView::onTapEnded(m2::PointD const & pt)
{
return false;
}
bool TextView::onTapCancelled(m2::PointD const & pt)
{
return false;
}
}
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