qui/seqbrowser/SequenceBrowser.cpp

   1 #include <QApplication>
   2 #include <QClipboard>
   3 #include <QDir>
   4 #include <QFileDialog>
   5 #include <QMessageBox>
   6 #include <QMouseEvent>
   7 #include <QRubberBand>
   8 #include <QRect>
   9 #include <QString>
  10 #include <iostream>
  11 #include <set>
  12
  13 #include <math.h>
  14
  15 #include "qui/seqbrowser/SequenceBrowser.hpp"
  16 #include "mussa_exceptions.hpp"
  17
  18 using namespace std;
  19
  20 SequenceBrowser::SequenceBrowser(QWidget *parent)
  21   : QGLWidget(parent),
  22     rubberBand(0),
  23     drawingBand(false)
  24 {
  25 }
  26
  27 QSize SequenceBrowser::sizeHint() const
  28 {
  29   //return QSize((int)GlSeqBrowser::viewportHeight(), (int)GlSeqBrowser::viewportWidth());
  30   return QSize(600, 400);
  31 }
  32
  33 void SequenceBrowser::setViewportCenter(float x)
  34 {
  35   const float epsilon = 1e-10;
  36   float center = GlSeqBrowser::viewportCenter();
  37   float difference = fabsf(x - center);
  38   float abs_x = fabsf(x);
  39   center = fabsf(center);
  40
  41   // the difference < epsilon * val is one of the recommended tests
  42   // for float equality.
  43   // of course since we're looking for not equals, we need to toss a
  44   // not at the beginning
  45   if (not (difference < epsilon * abs_x or difference < epsilon * center))
  46   {
  47     GlSeqBrowser::setViewportCenter(x);
  48     emit viewportChanged();
  49     update();
  50   }
  51 }
  52
  53 void SequenceBrowser::setZoom(double new_zoom)
  54 {
  55   if (new_zoom != GlSeqBrowser::zoom()) {
  56     GlSeqBrowser::setZoom(new_zoom);
  57     emit viewportChanged();
  58     update();
  59   }
  60 }
  61
  62 void SequenceBrowser::setClipPlane(int )
  63 {
  64 /*
  65   if (clipZ != (double) newZ){
  66     clipZ = (double) newZ;
  67     update();
  68   }
  69 */
  70 }
  71
  72 void SequenceBrowser::copySelectedSequenceAsFasta()
  73 {
  74   // get fasta data
  75   std::string buffer;
  76   copySelectedTracksAsFasta(buffer);
  77
  78   // get reference to clipboard
  79   QClipboard *clipboard = QApplication::clipboard();
  80   clipboard->setText(buffer.c_str());
  81 }
  82
  83
  84 void SequenceBrowser::clear()
  85 {
  86   GlSeqBrowser::clear();
  87   emit tracksChanged();
  88 }
  89
  90 void SequenceBrowser::push_sequence(const Sequence &s)
  91 {
  92   GlSeqBrowser::push_sequence(s);
  93   emit tracksChanged();
  94 }
  95
  96 void SequenceBrowser::push_sequence(GlSequence &gs)
  97 {
  98   GlSeqBrowser::push_sequence(gs);
  99   emit tracksChanged();
 100 }
 101
 102 ////////////////////
 103 // Rendering code
 104 void SequenceBrowser::initializeGL()
 105 {
 106   GlSeqBrowser::initializeGL();
 107 }
 108
 109 void SequenceBrowser::resizeGL(int width, int height)
 110 {
 111   GlSeqBrowser::resizeGL(width, height);
 112   emit viewportChanged();
 113 }
 114
 115 void SequenceBrowser::paintGL()
 116 {
 117   GlSeqBrowser::paintGL();
 118 }
 119
 120 void SequenceBrowser::mousePressEvent( QMouseEvent *e)
 121 {
 122   drawingBand = true;
 123
 124   selectedMode = false;
 125   bandOrigin = e->pos();
 126   if (!rubberBand)
 127     rubberBand = new QRubberBand(QRubberBand::Rectangle, this);
 128
 129   rubberBand->setGeometry(QRect(bandOrigin, QSize()));
 130   rubberBand->show();
 131 }
 132
 133 void SequenceBrowser::mouseMoveEvent( QMouseEvent *e)
 134 {
 135   if (drawingBand)
 136     rubberBand->setGeometry(QRect(bandOrigin, e->pos()).normalized());
 137 }
 138
 139 void SequenceBrowser::mouseReleaseEvent( QMouseEvent *e)
 140 {
 141   drawingBand = false;
 142   if (rubberBand != 0) {
 143     rubberBand->hide();
 144     QRect r = QRect(bandOrigin, e->pos()).normalized();
 145     bandOrigin = r.topLeft();
 146
 147     selectRegion(r.top(), r.left(), r.bottom(), r.right());
 148   }
 149 }