void TBWidgetString::ValidatCachedSize(TBWidget *widget)
{
const TBFontDescription fd = widget->GetCalculatedFontDescription();
if (!m_height || fd != m_fd)
{
m_fd = fd;
TBFontFace *font = g_font_manager->GetFontFace(fd);
m_width = font->GetStringWidth(m_text);
m_height = font->GetHeight();
}
}
void TBWidgetString::Paint(TBWidget *widget, const TBRect &rect, const TBColor &color)
{
TBFontFace *font = widget->GetFont();
int string_w = GetWidth(widget);
int x = rect.x;
if (m_text_align == TB_TEXT_ALIGN_RIGHT)
x += rect.w - string_w;
else if (m_text_align == TB_TEXT_ALIGN_CENTER)
x += MAX(0, (rect.w - string_w) / 2);
int y = rect.y + (rect.h - GetHeight(widget)) / 2;
if (string_w <= rect.w)
font->DrawString(x, y, color, m_text);
else
{
// There's not enough room for the entire string
// so cut it off and end with ellipsis (...)
// const char *end = "…"; // 2026 HORIZONTAL ELLIPSIS
// Some fonts seem to render ellipsis a lot uglier than three dots.
const char *end = "...";
int endw = font->GetStringWidth(end);
int startw = 0;
int startlen = 0;
while (m_text.CStr()[startlen])
{
int new_startw = font->GetStringWidth(m_text, startlen);
if (new_startw + endw > rect.w)
break;
startw = new_startw;
startlen++;
}
startlen = MAX(0, startlen - 1);
font->DrawString(x, y, color, m_text, startlen);
font->DrawString(x + startw, y, color, end);
}
}