bool TextInputView::onKeyDown(unsigned char const& key)
{
if ( !getHasFocus() )
{
return false;
}
else if ( 32 <= key && key <= 126 )
{
if (_content.length() < getMaxLines() * getMaxCharsPerLine())
_content += key;
return true;
}
else
{
switch (key)
{
case 8:
//backspace
//cerr << "backspace" << endl;
if (_content.length() > 0)
{
string::iterator it = _content.end();
--it;
_content.erase(it);
}
break;
case 127:
// delete implemented as backspace because on Mac OSX, the backspace
// key (delete) sends the ascii value for delete (127),
// whereas fn+delete, which simulates the forward
// deletion property of a linux or windows keyborad,
// sends the ascii value for backspace (8)
//cerr << "delete" << endl;
if (_content.length() > 0)
{
string::iterator it = _content.end();
--it;
_content.erase(it);
}
break;
default:
break;
}
return true;
}
}
void TextInputView::draw()
{
// Draw the rect
drawRectWithColor(this->getGlobalBounds(), this->getColor());
// Split up and draw the text based on the size of the rectangle
//
_lines.empty(); // start anew
_lines.resize(0);
string temp = "";
int cnt = 0;
const int maxChars = getMaxCharsPerLine();
const int maxLines = getMaxLines();
for (string::iterator it = _content.begin(); it != _content.end(); ++it)
{
if (_lines.size() >= maxLines )
{
break;
}
temp += (*it);
cnt++;
if (cnt >= maxChars)
{
_lines.push_back(temp);
temp.clear();
cnt = 0;
}
}
// add a cursor if has focus
// Currently the cursor is always at the end,
// this will change when we make it so that the
// position can be set with a mouse click or the
// arrow keys
if ( getHasFocus() )
{
if (temp.length() > 0)
{
temp += "~"; // there is more to push, so stick the cursor on the last line
}
// hell, this seems to work okay visually...
}
_lines.push_back(temp); // push the rest
CGRect bounds = this->getGlobalBounds();
int x = bounds.getX() + 5;
int y = bounds.getY() + 14;
for(vector<string>::iterator it = _lines.begin(); it != _lines.end(); ++it)
{
drawStringWithColorAndFormat(
(*it), this->getTextColor(), CGPoint( x, y), "small fixed");
y += this->getLineSpacing();
}
// Draw the border
if (getHasFocus())
drawBorderWithColor(bounds, CGColor(0.0,0.0,0.6,1.0));
else
drawBorderWithColor(bounds, CGColor(0.0,0.0,0.0,1.0));
// Draw the subviews
this->callDrawOnSubViews();
}
void TextBox::update(sf::Vector2f mouseLoc, sf::Event event) {
sf::String tmp;
// User click on the text box
if (rectangle.getGlobalBounds().contains(mouseLoc)) {
if (sf::Mouse::isButtonPressed(sf::Mouse::Left)) {
setHasFocus(true);
}
}
// User clicked elsewhere
else {
if (sf::Mouse::isButtonPressed(sf::Mouse::Left)) {
setHasFocus(false);
}
}
// This textbox is in focus
if (getHasFocus()) {
// User typed text
if (event.type == sf::Event::TextEntered) {
// Limit the number of times a character repeats
if ((prevEvent == event.text.unicode &&
reset.getElapsedTime().asMilliseconds() > TYPE_DELAY) ||
prevEvent != event.text.unicode) {
// Handle backspace
if (event.text.unicode == 8) {
// Get current text
tmp = Text.getString();
// If not blank erase one character then update
if (tmp != "") {
tmp.erase(tmp.getSize() - 1, 1);
Text.setString(tmp);
}
// Restart repeat timeout
reset.restart();
}
// Valid character
else if (event.text.unicode > 0x21
&& event.text.unicode < 0x7e) {
// Get current text
tmp = Text.getString();
// Append character
tmp = tmp + (event.text.unicode);
// Update text fields
Text.setString(tmp);
// Reset repeat timeout
reset.restart();
}
// Invalid character
else {
}
}
// Remember last character
prevEvent = event.text.unicode;
}
}
}