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 <math.h>
  12
  13 #include "qui/seqbrowser/SequenceBrowser.hpp"
  14 #include "mussa_exceptions.hpp"
  15
  16 using namespace std;
  17
  18 SequenceBrowser::SequenceBrowser(QWidget *parent)
  19   : QGLWidget(parent),
  20     rubberBand(0),
  21     drawingBand(false)
  22 {
  23 }
  24
  25 QSize SequenceBrowser::sizeHint() const
  26 {
  27   //return QSize((int)GlSeqBrowser::viewportHeight(), (int)GlSeqBrowser::viewportWidth());
  28   return QSize(600, 400);
  29 }
  30
  31 void SequenceBrowser::setViewportCenter(float x)
  32 {
  33   const float epsilon = 1e-10;
  34   float center = GlSeqBrowser::viewportCenter();
  35   float difference = fabsf(x - center);
  36   float abs_x = fabsf(x);
  37   center = fabsf(center);
  38
  39   // the difference < epsilon * val is one of the recommended tests
  40   // for float equality.
  41   // of course since we're looking for not equals, we need to toss a
  42   // not at the beginning
  43   if (not (difference < epsilon * abs_x or difference < epsilon * center))
  44   {
  45     GlSeqBrowser::setViewportCenter(x);
  46     emit viewportChanged();
  47     update();
  48   }
  49 }
  50
  51 void SequenceBrowser::setZoom(int new_zoom)
  52 {
  53   if (new_zoom != GlSeqBrowser::zoom()) {
  54     GlSeqBrowser::setZoom(new_zoom);
  55     emit viewportChanged();
  56     update();
  57   }
  58 }
  59
  60 void SequenceBrowser::setClipPlane(int )
  61 {
  62 /*
  63   if (clipZ != (double) newZ){
  64     clipZ = (double) newZ;
  65     update();
  66   }
  67 */
  68 }
  69
  70 void SequenceBrowser::clear()
  71 {
  72   GlSeqBrowser::clear();
  73   emit tracksChanged();
  74 }
  75
  76 void SequenceBrowser::push_sequence(const Sequence &s)
  77 {
  78   GlSeqBrowser::push_sequence(s);
  79   emit tracksChanged();
  80 }
  81
  82 void SequenceBrowser::push_sequence(GlSequence &gs)
  83 {
  84   GlSeqBrowser::push_sequence(gs);
  85   emit tracksChanged();
  86 }
  87
  88 ////////////////////
  89 // Rendering code
  90 void SequenceBrowser::initializeGL()
  91 {
  92   GlSeqBrowser::initializeGL();
  93 }
  94
  95 void SequenceBrowser::resizeGL(int width, int height)
  96 {
  97   GlSeqBrowser::resizeGL(width, height);
  98   emit viewportChanged();
  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   if (rubberBand != 0) {
 129     rubberBand->hide();
 130     QRect r = QRect(bandOrigin, e->pos()).normalized();
 131     bandOrigin = r.topLeft();
 132
 133     selectRegion(r.top(), r.left(), r.bottom(), r.right());
 134   }
 135 }