qui/seqbrowser/SequenceBrowser.cpp

   1 #include <QDir>
   2 #include <QFileDialog>
   3 #include <QMessageBox>
   4 #include <QMouseEvent>
   5 #include <QRubberBand>
   6 #include <QRect>
   7 #include <QString>
   8 #include <iostream>
   9 #include <set>
  10
  11 #include <GL/gl.h>
  12 #include <math.h>
  13
  14 #include "qui/seqbrowser/SequenceBrowser.hpp"
  15 #include "mussa_exceptions.hpp"
  16
  17 using namespace std;
  18
  19 SequenceBrowser::SequenceBrowser(QWidget *parent)
  20   : QGLWidget(parent),
  21     rubberBand(0),
  22     drawingBand(false)
  23 {
  24 }
  25
  26 QSize SequenceBrowser::sizeHint() const
  27 {
  28   //return QSize((int)GlSeqBrowser::viewportHeight(), (int)GlSeqBrowser::viewportWidth());
  29   return QSize(600, 400);
  30 }
  31
  32 void SequenceBrowser::setViewportCenter(float x)
  33 {
  34   const float epsilon = 1e-10;
  35   float center = GlSeqBrowser::viewportCenter();
  36   float difference = fabsf(x - center);
  37   float abs_x = fabsf(x);
  38   center = fabsf(center);
  39
  40   // the difference < epsilon * val is one of the recommended tests
  41   // for float equality.
  42   // of course since we're looking for not equals, we need to toss a
  43   // not at the beginning
  44   if (not (difference < epsilon * abs_x or difference < epsilon * center))
  45   {
  46     GlSeqBrowser::setViewportCenter(x);
  47     emit viewportChanged();
  48     update();
  49   }
  50 }
  51
  52 void SequenceBrowser::setZoom(int new_zoom)
  53 {
  54   if (new_zoom != GlSeqBrowser::zoom()) {
  55     GlSeqBrowser::setZoom(new_zoom);
  56     emit viewportChanged();
  57     update();
  58   }
  59 }
  60
  61 void SequenceBrowser::setClipPlane(int )
  62 {
  63 /*
  64   if (clipZ != (double) newZ){
  65     clipZ = (double) newZ;
  66     update();
  67   }
  68 */
  69 }
  70
  71 void SequenceBrowser::clear()
  72 {
  73   GlSeqBrowser::clear();
  74   emit tracksChanged();
  75 }
  76
  77 void SequenceBrowser::push_sequence(const Sequence &s)
  78 {
  79   GlSeqBrowser::push_sequence(s);
  80   emit tracksChanged();
  81 }
  82
  83 void SequenceBrowser::push_sequence(GlSequence &gs)
  84 {
  85   GlSeqBrowser::push_sequence(gs);
  86   emit tracksChanged();
  87 }
  88
  89 ////////////////////
  90 // Rendering code
  91 void SequenceBrowser::initializeGL()
  92 {
  93   GlSeqBrowser::initializeGL();
  94 }
  95
  96 void SequenceBrowser::resizeGL(int width, int height)
  97 {
  98   GlSeqBrowser::resizeGL(width, height);
  99 }
 100
 101 void SequenceBrowser::paintGL()
 102 {
 103   GlSeqBrowser::paintGL();
 104 }
 105
 106 void SequenceBrowser::mousePressEvent( QMouseEvent *e)
 107 {
 108   drawingBand = true;
 109
 110   selectedMode = false;
 111   bandOrigin = e->pos();
 112   if (!rubberBand)
 113     rubberBand = new QRubberBand(QRubberBand::Rectangle, this);
 114
 115   rubberBand->setGeometry(QRect(bandOrigin, QSize()));
 116   rubberBand->show();
 117 }
 118
 119 void SequenceBrowser::mouseMoveEvent( QMouseEvent *e)
 120 {
 121   if (drawingBand)
 122     rubberBand->setGeometry(QRect(bandOrigin, e->pos()).normalized());
 123 }
 124
 125 void SequenceBrowser::mouseReleaseEvent( QMouseEvent *e)
 126 {
 127   drawingBand = false;
 128   rubberBand->hide();
 129   QRect r = QRect(bandOrigin, e->pos()).normalized();
 130   bandOrigin = r.topLeft();
 131
 132   selectRegion(r.top(), r.left(), r.bottom(), r.right());
 133 }