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From Jeremy Moles, updates to osgWidget

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Merged my Robert Osfield from OpenSceneGraph-osgWidget-dev.
This commit is contained in:
Robert Osfield
2008-11-28 14:35:33 +00:00
parent d3b2d9b074
commit 9748fdd605
35 changed files with 1234 additions and 639 deletions
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60
src/osgWidget/Input.cpp
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@@ -1,5 +1,4 @@
// -*-c++-*- osgWidget - Code by: Jeremy Moles (cubicool) 2007-2008
// $Id: Input.cpp 65 2008-07-14 16:29:28Z cubicool $
#include <osg/io_utils>
#include <osgWidget/WindowManager>
@@ -22,7 +21,7 @@ _cursor (new Widget("cursor")) {
// Make the cursor un-copyable.
_cursor->setCanClone(false);
_cursor->setDataVariance(osg::Object::DYNAMIC);
_cursor->setColor(0.0f, 0.0f, 0.0f, 0.0f);
_cursor->setColor(0.0f, 0.0f, 0.0f, 1.0f);
setEventMask(
// For showing/hiding the "cursor."
@@ -46,9 +45,9 @@ void Input::_calculateSize(const XYCoord& size) {
point_type width = size.x() + _cursor->getWidth();
point_type height = _cursor->getHeight();
if(width > getWidth()) setWidth(osg::round(width));
// if(width > getWidth()) setWidth(osg::round(width));
if(height > getHeight()) setHeight(osg::round(height));
// if(height > getHeight()) setHeight(osg::round(height));
}
void Input::_calculateCursorOffsets() {
@@ -59,28 +58,22 @@ void Input::_calculateCursorOffsets() {
const osgText::Text::GlyphQuads& gq = tgqmi->second;
point_type accum = 0.0f;
osg::Vec3 pos = _text->getPosition();
std::ostream& os = warn() << "_offsets[ ";
for(unsigned int i = 0; i < _maxSize; i++) {
osg::Vec2 ul = gq.getCoords()[0 + (i * 4)];
osg::Vec2 ll = gq.getCoords()[1 + (i * 4)];
osg::Vec2 lr = gq.getCoords()[2 + (i * 4)];
osg::Vec2 ur = gq.getCoords()[3 + (i * 4)];
osg::Vec3 ul = gq.getTransformedCoords(0)[0 + (i * 4)];
osg::Vec3 ll = gq.getTransformedCoords(0)[1 + (i * 4)];
osg::Vec3 lr = gq.getTransformedCoords(0)[2 + (i * 4)];
osg::Vec3 ur = gq.getTransformedCoords(0)[3 + (i * 4)];
accum += osg::round(lr.x() - ll.x());
_offsets[i] = accum;
os << _offsets[i] << " (" << static_cast<char>(_text->getText()[i]) << ") ";
_offsets[i] = lr.x() - pos.x();
// warn() << "vb: " << gq.getGlyphs()[i]->getHorizontalBearing() << std::endl;
}
os << "]" << std::endl;
}
bool Input::focus(WindowManager*) {
_cursor->setColor(1.0f, 1.0f, 1.0f, 0.5f);
_cursor->setColor(0.0f, 0.0f, 0.0f, 1.0f);
return true;
}
@@ -112,7 +105,7 @@ void Input::positioned() {
;
point_type x = getX() + _xoff;
point_type y = getY() + th + _yoff;
point_type y = getY() + _yoff;
// XYCoord size = getTextSize();
@@ -129,7 +122,6 @@ bool Input::keyUp(int key, int mask, WindowManager*) {
}
bool Input::keyDown(int key, int mask, WindowManager*) {
/*
osgText::String& s = _text->getText();
if(key == osgGA::GUIEventAdapter::KEY_BackSpace) {
@@ -166,16 +158,30 @@ bool Input::keyDown(int key, int mask, WindowManager*) {
_calculateSize(getTextSize());
getParent()->resize();
*/
warn() << "Input is disabled until someone can help me understand how to use osgText; sorry..." << std::endl;
return false;
}
void Input::setCursor(Widget*)
{
warn() << "Input::setCursor(Widget*) not implemented yet."<<std::endl;
void Input::setCursor(Widget*) {
}
unsigned int Input::calculateBestYOffset(const std::string& s) {
const osgText::FontResolution fr(_text->getCharacterHeight(), _text->getCharacterHeight());
osgText::String utf(s);
unsigned int descent = 0;
for(osgText::String::iterator i = utf.begin(); i != utf.end(); i++) {
osgText::Font* font = const_cast<osgText::Font*>(_text->getFont());
osgText::Font::Glyph* glyph = font->getGlyph(fr, *i);
unsigned int d = abs(glyph->getHorizontalBearing().y());
if(d > descent) descent = d;
}
return descent;
}
}