MultilineWidget.cc

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
//This module
#include <ecl/modules/eclDisplay/MultilineWidget.h>
 
//Root
#include <TGLabel.h>
 
using namespace Belle2;
 
MultilineWidget::MultilineWidget(const TGWindow* p, const char* title,
                                 int line_count) :
  TGGroupFrame(p, title)
{
  SetLayoutManager(new TGVerticalLayout(this));
 
  for (int i = 0; i < line_count; i++) {
    addLine();
  }
}
 
MultilineWidget::~MultilineWidget()
{
  for (unsigned int i = 0; i < lines.size(); i++) {
    delete lines[i];
  }
}
 
int MultilineWidget::getLineCount()
{
  return lines.size();
}
 
void MultilineWidget::setLineCount(int new_count)
{
  int prev_count = getLineCount();
 
  if (new_count > prev_count) {
    for (int i = new_count - prev_count; i > 0; i--)
      addLine();
  } else {
    for (int i = prev_count - new_count; i > 0; i--)
      removeLine(new_count);
  }
}
 
void MultilineWidget::removeLine(int line_id)
{
  TGLabel* line = lines[line_id];
 
  RemoveFrame(line);
  lines.erase(lines.begin() + line_id);
 
  delete line;
}
 
void MultilineWidget::removeLastLine()
{
  removeLine(lines.size() - 1);
}
void MultilineWidget::setLine(int line_id, const char* text)
{
  if (line_id >= getLineCount())
    setLineCount(line_id + 1);
 
  TGLabel* line = lines[line_id];
 
  line->SetText(text);
}
void MultilineWidget::addLine(const char* text)
{
  TGLabel* line = new TGLabel(this, text);
 
  lines.push_back(line);
  AddFrame(line, new TGLayoutHints(kLHintsLeft | kLHintsExpandY));
  line->Paint();
}