int GUIFontManager::getCharacterWidth(char Char, int fontIndex)
{
GUIFont *currentFont = getFont(fontIndex);
currentFont = currentFont ? currentFont : getDefaultFont();
if(currentFont)
return currentFont->getFontObject()->getCharHorizontalGlyphs()[Char];
return 0;
}
int GUIFontManager::getCharacterWidth(char Char, GUIFont *font)
{
GUIFont *currentFont = getDefaultFont();
if(!font)
{
if(currentFont)
return currentFont->getFontObject()->getCharHorizontalGlyphs()[Char];
}
else
return font->getFontObject()->getCharHorizontalGlyphs()[Char];
return 0;
}
void GUIText::computeDimensions()
{
if (needUpdating())
{
GUIFontManager::setCurrentFont(fontIndex);
GUIFont *currentFont = GUIFontManager::getCurrentFont();
if (!currentFont && !(currentFont = GUIFontManager::getDefaultFont()))
return;
if (currentFont == GUIFontManager::getDefaultFont())
fontIndex = GUIFontManager::findFontIndex(currentFont);
if (text.getLength())
{
size = currentFont->getFontObject()->getStringDimensions(text);
size.x = int(float(size.x)*scales.x);
}
size.y = int(float(currentFont->getFontObject()->getHeight())*scales.y);
forceUpdate(false);
}
}
void GUIText::print(int x, int y, int startIndex, int endIndex)
{
if (!text.getLength())
return;
endIndex = (endIndex < 0) ? int(text.getLength()) : endIndex;
startIndex = clamp(startIndex, 0, endIndex);
GUIFontManager::setCurrentFont(fontIndex);
GUIFont *currentFont = GUIFontManager::getCurrentFont();
computeDimensions();
if (!currentFont && !(currentFont = GUIFontManager::getDefaultFont()))
return;
currentFont->getFontObject()->printSubString(float(x), float(y), scales.x, scales.y,
color.x, color.y, color.z,
startIndex, endIndex,
text);
}
void GUITextBox::setupBlinker(int x)
{
if (!focused || !active)
return;
GUIFont *font = GUIFontManager::getFont(label.getFontIndex());
const String &string = label.getString();
const int *spaces = NULL;
blinkerPosition = getWindowBounds().x + padding.x;
x -= 1;
if (font)
{
spaces = font->getFontObject()->getCharHorizontalGlyphs();
for (size_t i = 0; i < string.getLength(); i++)
if (blinkerPosition < x)
blinkerPosition += spaces[int(string.getBytes()[i])];
}
blinkerOn = true;
}
void GUITextBox::setupText(int type, char Char)
{
GUIFont *font = GUIFontManager::getFont(label.getFontIndex());
const int *spaces = font ? font->getFontObject()->getCharHorizontalGlyphs() : NULL,
length = label.getString().getLength();
String temp;
int start = windowBounds.x + padding.x,
index = 0;
if (!spaces)
return;
for (int t = 0; t < length; t++)
{
if (blinkerPosition > start)
{
index++;
start += spaces[label.getCharString()[t]];
}
}
if (type == INSERT_CHAR)
{
if (index != length && length)
{
String leftSide;
leftSide.set(label.getCharString(), index);
leftSide += Char;
temp.set(label.getCharString() + index, length - index);
label.setString(leftSide + temp);
}
else
{
temp = label.getString();
temp += Char;
label.setString(temp);
}
blinkerPosition = blinkerPosition + GUIFontManager::getCharacterWidth(Char, font);
}
if (type == BACKSPACE_DELETE && (blinkerPosition != windowBounds.x + padding.x))
{
if (index != length)
{
String leftSide;
setupBlinker(blinkerPosition - GUIFontManager::getCharacterWidth(label.getCharString()[index -1],
label.getFontIndex()));
leftSide.set(label.getCharString(), index - 1);
temp.set(label.getCharString() + index, length - index);
label.setString(leftSide + temp);
return;
}
setupBlinker(blinkerPosition - GUIFontManager::getCharacterWidth(label.getCharString()[length -1],
font));
temp.set(label.getCharString(), length - 1);
if (temp.getLength())
label.setString(temp);
else
{
label.clear();
blinkerPosition = windowBounds.x + padding.x;
}
}
if (type == SIMPLE_DELETE && length)
{
if ((blinkerPosition == windowBounds.x + padding.x) && (length == 1))
{
label.clear();
return;
}
if (index < length)
{
String leftSide;
leftSide.set(label.getCharString(), index);
temp.set(label.getCharString() + index + 1, length - index - 1);
label.setString(leftSide + temp);
}
}
if (type == PARSE_VISIBLE)
textEndIndex = font->getFontObject()->getMaxFittingLength(label.getString(), getWidth());
}