src/qt/diff_view.cpp

   1 #include <QVBoxLayout>
   2 #include <QScrollBar>
   3 #include <QPainter>
   4 #include <QScrollArea>
   5
   6 #include "../debug.h"
   7 #include "diff_view.h"
   8
   9 DiffViewFrame::DiffViewFrame(QWidget *parent) : QWidget(parent)
  10 {
  11         QVBoxLayout *layout = new QVBoxLayout();
  12     QSplitter *splitter = new QSplitter(Qt::Horizontal);
  13     DiffView *original = new DiffView(true);
  14     DiffView *modified = new DiffView(false);
  15     QScrollArea *orig = new QScrollArea();
  16     QScrollArea *modif = new QScrollArea();
  17
  18
  19     orig->setWidget(original);
  20     orig->setWidgetResizable(true);
  21     orig->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  22     modif->setWidget(modified);
  23     modif->setWidgetResizable(true);
  24
  25     splitter->addWidget(orig);
  26     splitter->addWidget(modif);
  27
  28     layout->addWidget(splitter);
  29
  30         setLayout(layout);
  31
  32
  33     QScrollBar *orig_vertical = orig->verticalScrollBar();
  34     QScrollBar *modif_vertical = modif->verticalScrollBar();
  35     QScrollBar *orig_horizontal = orig->horizontalScrollBar();
  36     QScrollBar *modif_horizontal = modif->horizontalScrollBar();
  37
  38     connect(orig_vertical, SIGNAL(valueChanged(int)), modif_vertical,
  39             SLOT(setValue(int)));
  40     connect(modif_vertical, SIGNAL(valueChanged(int)), orig_vertical,
  41             SLOT(setValue(int)));
  42     connect(orig_horizontal, SIGNAL(valueChanged(int)), modif_horizontal,
  43             SLOT(setValue(int)));
  44     connect(modif_horizontal, SIGNAL(valueChanged(int)), orig_horizontal,
  45             SLOT(setValue(int)));
  46 }
  47
  48
  49 /* DiffView */
  50 void DiffView::paintEvent(QPaintEvent *e)
  51 {
  52     int height;
  53     QPainter painter(this);
  54     if (_original){
  55         height = Diff::instance()->paintOriginal(painter);
  56     }else{
  57         height = Diff::instance()->paintModified(painter);
  58     }
  59
  60     setFixedHeight(height);
  61     setMinimumWidth(Settings::max_line_width);
  62 }