wops .. one more turn .... small fix
Nick
http://www.linkedin.com/in/tnick
On Thu, Jan 28, 2010 at 5:32 PM, Trajce Nikolov <[email protected]>wrote:
> Hi Robert,
>
> here is a fix for the selection issue
>
> MIght be good if you implement the Linux clipboard management
>
> Let me know if it works now
>
> Nick
>
> http://www.linkedin.com/in/tnick
>
>
> On Thu, Jan 28, 2010 at 4:35 PM, Trajce Nikolov
> <[email protected]>wrote:
>
>> now I am experiencing the same issues with VeraMono font. WIth the default
>> font it works ok. I am trying to fix it
>>
>> Nick
>>
>> http://www.linkedin.com/in/tnick
>>
>>
>> On Thu, Jan 28, 2010 at 12:26 PM, Robert Osfield <
>> [email protected]> wrote:
>>
>>> Hi Nick,
>>>
>>> On Wed, Jan 27, 2010 at 5:31 PM, Trajce Nikolov
>>> <[email protected]> wrote:
>>> > the coordinates stuff with the mouse is kind of buggy I think somewhere
>>> > else. For me the mouse coordinates works ok only if I maximize the
>>> window.
>>> > Otherwise is off by the upper left corner, by my guess
>>> > I will check it again though.
>>>
>>> I just tried osgwidgetinput at different window size and none of work
>>> correctly. When I select a range of characters both the beginning of
>>> the selected area moves as well as the end that supposed to be under
>>> the cursor. I don't know what might the source of this issue though.
>>>
>>> Robert.
>>> _______________________________________________
>>> osg-submissions mailing list
>>> [email protected]
>>>
>>> http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org
>>>
>>
>>
>
// -*-c++-*- osgWidget - Code by: Jeremy Moles (cubicool) 2007-2008
#include <osg/io_utils>
#include <osgWidget/WindowManager>
#include <osgWidget/Input>
#ifdef WIN32
#include <windows.h>
#endif
#include <iostream>
namespace osgWidget {
class BlinkCursorCallback: public osg::Drawable::DrawCallback
{
public:
BlinkCursorCallback(const bool& insertMode)
: _insertMode(insertMode)
{
}
virtual void drawImplementation( osg::RenderInfo & ri,const osg::Drawable*
drawable ) const
{
static bool on = true;
static osg::Timer_t startTime = osg::Timer::instance()->tick();
osg::Timer_t now = osg::Timer::instance()->tick();
if
(osg::Timer::instance()->delta_s(startTime,now)>(_insertMode?0.125:0.25))
{
on = !on;
startTime = now;
}
if (on)
drawable->drawImplementation(ri);
}
protected:
const bool& _insertMode;
};
Input::Input(const std::string& name, const std::string& label, unsigned int
size):
Label(name, label),
_xoff(0.0f),
_yoff(0.0f),
_index(0),
_size(0),
_cursorIndex(0),
_maxSize(size),
_textLength(0),
_cursor(new Widget("cursor")),
_insertMode(false),
_selection(new Widget("selection")),
_selectionStartIndex(0),
_selectionEndIndex(0),
_selectionIndex(0),
_mouseClickX(0)
{
_text->setAlignment(osgText::Text::LEFT_BOTTOM_BASE_LINE);
_text->setKerningType(osgText::KERNING_NONE);
// Make the cursor un-copyable.
_cursor->setCanClone(false);
_cursor->setDataVariance(osg::Object::DYNAMIC);
_cursor->setColor(0.0f, 0.0f, 0.0f, 1.0f);
_selection->setCanClone(false);
_selection->setDataVariance(osg::Object::DYNAMIC);
setEventMask(
// For showing/hiding the "cursor."
EVENT_MASK_FOCUS |
// For keypresses, obviously.
EVENT_MASK_KEY |
// For "click" focusing.
EVENT_MOUSE_PUSH |
EVENT_MASK_MOUSE_DRAG
);
_offsets.resize(size+1, 0.0f);
_widths.resize(size+1, 1.0f);
_text->getText().resize(size, ' ');
_text->update();
_cursor->setDrawCallback( new BlinkCursorCallback(_insertMode) );
}
void Input::_calculateSize(const XYCoord& size) {
// An Input cannot currently set it's own size RELIABLY until the osgText
implementation
// is dratiscally improved. I'm getting wildly crazy results. :(
// point_type height = size.y() > _cursor->getHeight() ? size.y() :
_cursor->getHeight();
#if 0
point_type width = size.x() + _cursor->getWidth();
point_type height = _cursor->getHeight();
if(width > getWidth()) setWidth(osg::round(width));
if(height > getHeight()) setHeight(osg::round(height));
#endif
}
void Input::_calculateCursorOffsets() {
// Determine the "offset"
if (_text->getText().size()==0)
{
_offsets[0] = 0;
_widths[0] = 0;
return;
}
osg::Vec3 pos = _text->getPosition();
osgText::Text::TextureGlyphQuadMap& tgqm =
const_cast<osgText::Text::TextureGlyphQuadMap&>(_text->getTextureGlyphQuadMap());
osgText::Text::TextureGlyphQuadMap::iterator tgqmi = tgqm.begin();
std::vector<osg::Vec2> coords;
std::vector<osgText::Font::Glyph*> glyphs;
for ( ; tgqmi != tgqm.end(); tgqmi++ )
{
const osgText::Text::GlyphQuads& gq = tgqmi->second;
//coords.insert(coords.end(),gq.getTransformedCoords(0).begin(),gq.getTransformedCoords(0).end());
coords.insert(coords.end(),gq.getCoords().begin(),gq.getCoords().end());
for (unsigned int i=0; i<gq.getGlyphs().size(); ++i)
{
glyphs.push_back(gq.getGlyphs().at(i));
}
}
std::list<unsigned int> keys;
for (unsigned int i=0; i<_text->getText().size(); ++i)
{
keys.push_back(_text->getText().at(i));
}
unsigned int idx=0;
osg::Vec2 lr;
osg::Vec2 ll;
while (!keys.empty())
{
unsigned int key = keys.front();
for (unsigned int i=0; i<glyphs.size(); ++i)
{
static osgText::Font::Glyph* previous_g = 0;
osgText::Font::Glyph* g = glyphs.at(i);
if (g->getGlyphCode()==key)
{
lr = coords[2 + (i * 4)];
ll = coords[1 + (i * 4)];
point_type width = lr.x() - ll.x();
_widths[idx] = width == 0 ? g->getHorizontalAdvance() : width;
_offsets[idx] = lr.x() + pos.x();
if (width == 0)
_offsets[idx] += g->getHorizontalAdvance();
++idx;
if (previous_g)
{
{
point_type& ref = _offsets[idx];
ref +=
previous_g->getHorizontalAdvance();
}
{
point_type& ref = _widths[idx];
ref +=
previous_g->getHorizontalAdvance();
}
}
previous_g = g;
glyphs.erase(glyphs.begin()+i);
coords.erase(coords.begin()+i*4);
coords.erase(coords.begin()+i*4);
coords.erase(coords.begin()+i*4);
coords.erase(coords.begin()+i*4);
break;
}
}
keys.pop_front();
}
_offsets[idx] = lr.x() + pos.x();
_widths[idx]= 1.f;
_wordsOffsets.clear();
for ( unsigned int i=0; i<_text->getText().size(); ++i )
{
while (i<_text->getText().size() && _text->getText().at(i)==' ') ++i;
if (i<_text->getText().size())_wordsOffsets.push_back(i);
while (i<_text->getText().size() && _text->getText().at(i)!=' ') ++i;
}
positioned();
}
bool Input::focus(const WindowManager*) {
_cursor->setColor(0.5f, 0.5f, 0.6f, 1.0f);
_selection->setColor(0.8f, 0.8f, 0.9f, 1.0f);
return true;
}
bool Input::unfocus(const WindowManager*) {
_cursor->setColor(0.0f, 0.0f, 0.0f, 0.0f);
_selection->setColor(0.0f, 0.0f, 0.0f, 0.0f);
return true;
}
void Input::parented(Window* parent) {
Label::parented(parent);
_cursor->setSize(_widths[_index], getHeight());
if(_cursorIndex) parent->getGeode()->setDrawable(_cursorIndex,
_cursor.get());
else _cursorIndex = parent->addDrawableAndGetIndex(_cursor.get());
if(_selectionIndex) parent->getGeode()->setDrawable(_selectionIndex,
_selection.get());
else _selectionIndex = parent->addDrawableAndGetIndex(_selection.get());
}
void Input::positioned() {
point_type ln = static_cast<point_type>(_text->getLineCount());
ln = ln == 0.0f ? 1.0f : ln;
// point_type th = (_text->getCharacterHeight() * ln) +
(_text->getLineSpacing() * (ln - 1.0f));
point_type x = getX() + _xoff;
point_type y = getY() + _yoff;
// XYCoord size = getTextSize();
_text->setPosition(osg::Vec3(x, y, _calculateZ(LAYER_MIDDLE)));
point_type xoffset = _index > 0 ? _offsets[_index - 1] : 0.0f;
_cursor->setSize(_widths[_index], getHeight());
_cursor->setOrigin(getX() + xoffset, getY() );
_cursor->setZ(_calculateZ(LAYER_MIDDLE-1));
unsigned int _selectionMin =
osg::minimum(_selectionStartIndex,_selectionEndIndex);
unsigned int _selectionMax =
osg::maximum(_selectionStartIndex,_selectionEndIndex);
if (_selectionMax-_selectionMin>0)
{
point_type xstart = _selectionMin > 0 ? _offsets[_selectionMin - 1]
: 0.0f;
point_type xend = (_selectionMax > 0 ? _offsets[_selectionMax - 1] :
0.0f) + _widths[_selectionMax];
_selection->setSize(xend-xstart, getHeight());
_selection->setOrigin(getX() + xstart, getY());
_selection->setZ(_calculateZ(LAYER_MIDDLE-2));
}
else
{
_selection->setSize(0, getHeight());
}
}
bool Input::keyUp(int key, int mask, const WindowManager*) {
return false;
}
bool Input::mouseDrag (double x, double y, const WindowManager*)
{
_mouseClickX += x;
x = _mouseClickX;
for ( unsigned int i=0; i< _offsets.size()-1; ++i )
{
point_type offset1 = i > 0 ? _offsets.at(i-1) : 0;
point_type offset2 = _offsets.at(i);
if (x >= offset1 && x <= offset2)
{
_selectionEndIndex = _index = i;
positioned();
break;
}
}
return false;
}
bool Input::mousePush (double x, double y, const WindowManager* wm)
{
double offset = getOrigin().x();
Window* window = getParent();
if (window)
{
offset += window->getOrigin().x();
}
x -= offset;
_mouseClickX = x;
for ( unsigned int i=0; i< _offsets.size()-1; ++i )
{
point_type offset1 = i > 0 ? _offsets.at(i-1) : 0;
point_type offset2 = i == 0 ? _offsets.at(1) : _offsets.at(i);
if (x >= offset1 && x <= offset2)
{
_selectionStartIndex = _selectionEndIndex = _index = i;
positioned();
break;
}
}
return false;
}
bool Input::keyDown(int key, int mask, const WindowManager*) {
osgText::String& s = _text->getText();
switch (key)
{
case osgGA::GUIEventAdapter::KEY_Left:
if (mask & osgGA::GUIEventAdapter::MODKEY_CTRL)
{
bool found = false;
for (unsigned int i=0; i<_wordsOffsets.size()-1; ++i)
{
if (_wordsOffsets.at(i) < _index && _index <=
_wordsOffsets.at(i+1))
{
found = true;
_index = _wordsOffsets.at(i);
break;
}
}
if (!found && _wordsOffsets.size())
{
_index = _wordsOffsets.at(_wordsOffsets.size()-1);
}
}
else
if (_index>0)
{
--_index;
}
if (mask & osgGA::GUIEventAdapter::MODKEY_SHIFT)
{
_selectionEndIndex = _index;
}
else
{
_selectionStartIndex = _selectionEndIndex = _index;
}
break;
case osgGA::GUIEventAdapter::KEY_Right:
if (mask & osgGA::GUIEventAdapter::MODKEY_CTRL)
{
bool found = false;
for (unsigned int i=0; i<_wordsOffsets.size()-1; ++i)
{
if (_wordsOffsets.at(i) <= _index && _index <
_wordsOffsets.at(i+1))
{
found = true;
_index = _wordsOffsets.at(i+1);
break;
}
}
if (!found && _wordsOffsets.size())
{
_index = _wordsOffsets.at(_wordsOffsets.size()-1);
}
}
else
if (_index<_textLength)
{
++_index;
}
if (mask & osgGA::GUIEventAdapter::MODKEY_SHIFT)
{
_selectionEndIndex = _index;
}
else
{
_selectionStartIndex = _selectionEndIndex = _index;
}
break;
case osgGA::GUIEventAdapter::KEY_Home:
_index = 0;
if (mask & osgGA::GUIEventAdapter::MODKEY_SHIFT)
{
_selectionEndIndex = _index;
}
else
{
_selectionStartIndex = _selectionEndIndex = _index;
}
break;
case osgGA::GUIEventAdapter::KEY_End:
_index = _textLength;
if (mask & osgGA::GUIEventAdapter::MODKEY_SHIFT)
{
_selectionEndIndex = _index;
}
else
{
_selectionStartIndex = _selectionEndIndex = _index;
}
break;
case osgGA::GUIEventAdapter::KEY_Insert:
_insertMode = !_insertMode;
break;
case osgGA::GUIEventAdapter::KEY_Delete:
{
unsigned int _selectionMin =
osg::minimum(_selectionStartIndex,_selectionEndIndex);
unsigned int _selectionMax =
osg::maximum(_selectionStartIndex,_selectionEndIndex);
if (_selectionMax-_selectionMin>0)
{
point_type deleteToIdx = _selectionMax;
for (unsigned int i=0; i < s.size()-_selectionMin; ++i)
{
s[_selectionMin+i] = deleteToIdx+i+1 < s.size() ?
s[deleteToIdx+i+1] : ' ';
}
_text->update();
_calculateCursorOffsets();
_textLength -= deleteToIdx-_selectionMin;
_index = _selectionMin;
_selectionStartIndex = _selectionEndIndex = _index;
}
else
if (mask & osgGA::GUIEventAdapter::MODKEY_CTRL)
{
point_type deleteToIdx = _textLength;
for (unsigned int i=0; i<_wordsOffsets.size()-1; ++i)
{
if (_wordsOffsets.at(i) <= _index && _index <
_wordsOffsets.at(i+1))
{
deleteToIdx = _wordsOffsets.at(i+1);
break;
}
}
for (unsigned int i=0; i < s.size()-_index; ++i)
{
s[_index+i] = deleteToIdx+i < s.size() ? s[deleteToIdx+i] :
' ';
}
_text->update();
_calculateCursorOffsets();
_textLength -= deleteToIdx-_index;
}
else
if (_index < s.size()-1)
{
for (unsigned int i=_index; i < s.size()-1; ++i)
{
s[i] = s[i+1];
}
_text->update();
_calculateCursorOffsets();
--_textLength;
}
}
break;
case osgGA::GUIEventAdapter::KEY_BackSpace:
{
unsigned int _selectionMin =
osg::minimum(_selectionStartIndex,_selectionEndIndex);
unsigned int _selectionMax =
osg::maximum(_selectionStartIndex,_selectionEndIndex);
if (_selectionMax-_selectionMin>0)
{
point_type deleteToIdx = _selectionMax;
for (unsigned int i=0; i < s.size()-_selectionMin; ++i)
{
s[_selectionMin+i] = deleteToIdx+i+1 < s.size() ?
s[deleteToIdx+i+1] : ' ';
}
_text->update();
_calculateCursorOffsets();
_textLength -= deleteToIdx-_selectionMin;
_index = _selectionMin;
_selectionStartIndex = _selectionEndIndex = _index;
}
else
if(_index >= 1) {
_index--;
if (_index< s.size()-1)
{
for (unsigned int i=_index; i < s.size()-1; ++i)
{
s[i] = s[i+1];
s[i+1] = ' ';
}
}
else
{
s[s.size()-1] = ' ';
}
_text->update();
_calculateCursorOffsets();
--_textLength;
}
}
break;
default:
if(key > 255 || _index >= _maxSize) return false;
if (((key=='v' || key=='V') && (mask &
osgGA::GUIEventAdapter::MODKEY_CTRL)) || (key==22))
{
_selectionStartIndex = _selectionEndIndex = _index;
std::string data;
// Data from clipboard
#ifdef WIN32
if (::OpenClipboard(NULL))
{
HANDLE hData = ::GetClipboardData( CF_TEXT );
char* buff = (char*)::GlobalLock( hData );
if (buff) data = buff;
::GlobalUnlock( hData );
::CloseClipboard();
}
#endif
if (!data.empty())
{
data = data.substr(0,_maxSize-_index);
_textLength += data.size();
_selectionEndIndex = _textLength;
std::string::iterator itr = data.begin();
for ( ; itr != data.end(); ++itr )
{
s[_index++] = *itr;
}
_text->update();
_calculateCursorOffsets();
_calculateSize(getTextSize());
getParent()->resize();
return false;
}
}
else
if (((key=='c' || key=='C') && (mask &
osgGA::GUIEventAdapter::MODKEY_CTRL)) || (key==3))
{
unsigned int _selectionMin =
osg::minimum(_selectionStartIndex,_selectionEndIndex);
unsigned int _selectionMax =
osg::maximum(_selectionStartIndex,_selectionEndIndex);
if (_selectionMax-_selectionMin>0)
{
std::string data;
for (unsigned int i=_selectionMin; i<=_selectionMax; ++i)
{
data.push_back(s[i]);
}
// Data to clipboard
#ifdef WIN32
if(::OpenClipboard(NULL))
{
::EmptyClipboard();
HGLOBAL clipbuffer = ::GlobalAlloc(GMEM_DDESHARE,
data.length()+1);
char* buffer = (char*)::GlobalLock(clipbuffer);
strcpy(buffer, data.c_str());
::GlobalUnlock(clipbuffer);
::SetClipboardData(CF_TEXT,clipbuffer);
::CloseClipboard();
}
#endif
}
return false;
}
{
unsigned int _selectionMin =
osg::minimum(_selectionStartIndex,_selectionEndIndex);
unsigned int _selectionMax =
osg::maximum(_selectionStartIndex,_selectionEndIndex);
if (_selectionMax-_selectionMin>0)
{
point_type deleteToIdx = _selectionMax;
for (unsigned int i=0; i < s.size()-_selectionMin; ++i)
{
s[_selectionMin+i] = deleteToIdx+i+1 < s.size() ?
s[deleteToIdx+i+1] : ' ';
}
_text->update();
_calculateCursorOffsets();
_textLength -= deleteToIdx-_selectionMin;
_index = _selectionMin;
_selectionStartIndex = _selectionEndIndex = _index;
}
}
if (!_insertMode)
{
for (unsigned int i=s.size()-1; i>_index; --i)
{
s[i] = s[i-1];
}
}
s[_index] = key;
_text->update();
_calculateCursorOffsets();
_index++;
if (!_insertMode) ++_textLength;
_selectionStartIndex = _selectionEndIndex = _index;
}
// _text->update();
_calculateSize(getTextSize());
getParent()->resize();
return false;
}
void Input::setCursor(Widget*) {
}
unsigned int Input::calculateBestYOffset(const std::string& s)
{
if (!_text->getFont()) return 0;
const osgText::FontResolution fr(static_cast<unsigned
int>(_text->getCharacterHeight()),
static_cast<unsigned
int>(_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((int)glyph->getHorizontalBearing().y());
if(d > descent) descent = d;
}
return descent;
}
}
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