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Viewing changes to src/gl/select.cpp

  • Committer: Package Import Robot
  • Author(s): D Haley
  • Date: 2013-07-20 18:31:32 UTC
  • mfrom: (1.1.6)
  • Revision ID: package-import@ubuntu.com-20130720183132-5ak932y2x6pwo4fs
Tags: 0.0.14-1
* Update to upstream, 0.0.14
* Enable mathgl2.x configure option
* Modify build-depends, libmgl-dev >= 2.1.32

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src/gl/select.cpp
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 *      along with this program.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "common/mathfuncs.h"
 
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#include "common/assertion.h"
 
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#include "gl/drawables.h"
 
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#include "select.h"
 
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using std::vector;
 
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SelectionDevice::SelectionDevice(const Filter *p) : target(p)
 
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{
 
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}
 
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void SelectionDevice::addBinding(SelectionBinding b)
 
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{
 
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        bindingVec.push_back(b);
 
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}
 
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bool SelectionDevice::getBinding(const DrawableObj *d,unsigned int mouseFlags, 
 
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                                        unsigned int keyFlags,SelectionBinding* &b)
 
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{
 
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        unsigned int keyMask=0;
 
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        bool found=false;
 
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        for(unsigned int ui=0;ui<bindingVec.size();ui++)
 
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        {
 
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                if(bindingVec[ui].matchesDrawable(d,mouseFlags,keyFlags))
 
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                {
 
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                        if(!found)
 
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                        {
 
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                                //we found one.
 
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                                found=true;
 
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                                b=&(bindingVec[ui]);
 
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                                keyMask=b->getKeyFlags();
 
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                                continue;
 
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                        }
 
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                        //OK, we already have one, but we can be "trumped"
 
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                        //by a more complex keymask.
 
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                        if( (keyMask & bindingVec[ui].getKeyFlags() )== keyMask)
 
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                        {
 
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                                b=&(bindingVec[ui]);
 
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                                keyMask=b->getKeyFlags();
 
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                        }
 
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                }
 
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        }
 
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        //This selection device does not match
 
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        //the targeted object.
 
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        return found;
 
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}
 
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void SelectionDevice::getModifiedBindings(vector<std::pair<const Filter *,SelectionBinding> > &bindings)
 
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{
 
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        ASSERT(target);
 
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        for(unsigned int ui=0;ui<bindingVec.size();ui++)
 
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        {
 
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                if(bindingVec[ui].modified())
 
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                        bindings.push_back(std::make_pair(target,bindingVec[ui]));
 
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        }
 
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}
 
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bool SelectionDevice::getAvailBindings(const DrawableObj *d,vector<const SelectionBinding*> &b) const
 
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{
 
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        ASSERT(b.empty());
 
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        for(unsigned int ui=0;ui<bindingVec.size();ui++)
 
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        {
 
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                if(bindingVec[ui].matchesDrawable(d))
 
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                        b.push_back(&(bindingVec[ui]));
 
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        }
 
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        return b.size();
 
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}
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SelectionBinding::SelectionBinding()
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        return (obj == d);
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}
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