Widget which contains the dynamic amount of TGLabel objects. More...

#include <MultilineWidget.h>

Inheritance diagram for MultilineWidget:

Public Member Functions
	MultilineWidget (const TGWindow p=0, const char title=0, int line_count=0)
	Create multiline widget with parent window p.

int	getLineCount ()
	Return number of lines in widget.

void	setLineCount (int count)
	Add or remove lines depending on current line count.

void	removeLine (int line_id)
	Remove line with specified id.

void	removeLastLine ()
	Removes last line from multiline widget and reduces line count.

void	setLine (int line_id, const char *text)
	Set content of the specified line to 'text'.

void	addLine (const char *text=0)
	Append line to multiline widget.

Private Attributes
std::vector< TGLabel * >	lines
	Content of multiline widget.

Detailed Description

Widget which contains the dynamic amount of TGLabel objects.

Compared to TGTextView, this class allows to update lines frequently without without redrawing the entire text. There is no internal checks for the correctness of remove operations.

Definition at line 30 of file MultilineWidget.h.

Constructor & Destructor Documentation

◆ MultilineWidget()

MultilineWidget	(	const TGWindow *	p = `0`,
		const char *	title = `0`,
		int	line_count = `0`
	)

Create multiline widget with parent window p.

Definition at line 16 of file MultilineWidget.cc.

                                                 :
  TGGroupFrame(p, title)
{
  SetLayoutManager(new TGVerticalLayout(this));
 
  for (int i = 0; i < line_count; i++) {
    addLine();
  }
}

◆ ~MultilineWidget()

~MultilineWidget ( )

virtual

Definition at line 27 of file MultilineWidget.cc.

{
  for (unsigned int i = 0; i < lines.size(); i++) {
    delete lines[i];
  }
}

Member Function Documentation

◆ addLine()

void addLine ( const char * text = 0 )

Append line to multiline widget.

Definition at line 75 of file MultilineWidget.cc.

{
  TGLabel* line = new TGLabel(this, text);
 
  lines.push_back(line);
  AddFrame(line, new TGLayoutHints(kLHintsLeft | kLHintsExpandY));
  line->Paint();
}

◆ getLineCount()

int getLineCount ( )

Return number of lines in widget.

Definition at line 34 of file MultilineWidget.cc.

{
  return lines.size();
}

◆ removeLastLine()

void removeLastLine ( )

Removes last line from multiline widget and reduces line count.

Definition at line 62 of file MultilineWidget.cc.

{
  removeLine(lines.size() - 1);
}

◆ removeLine()

void removeLine ( int line_id )

Remove line with specified id.

Definition at line 52 of file MultilineWidget.cc.

{
  TGLabel* line = lines[line_id];
 
  RemoveFrame(line);
  lines.erase(lines.begin() + line_id);
 
  delete line;
}

◆ setLine()

void setLine	(	int	line_id,
		const char *	text
	)

Set content of the specified line to 'text'.

Definition at line 66 of file MultilineWidget.cc.

{
  if (line_id >= getLineCount())
    setLineCount(line_id + 1);
 
  TGLabel* line = lines[line_id];
 
  line->SetText(text);
}

◆ setLineCount()

void setLineCount ( int count )

Add or remove lines depending on current line count.

If the specified count is less than previous, lines are removed from the bottom of the widget.

Definition at line 39 of file MultilineWidget.cc.

{
  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);
  }
}

Member Data Documentation

◆ lines

std::vector<TGLabel*> lines

private

Content of multiline widget.

Definition at line 33 of file MultilineWidget.h.

The documentation for this class was generated from the following files:

ecl/modules/eclDisplay/include/MultilineWidget.h
ecl/modules/eclDisplay/src/MultilineWidget.cc

Public Member Functions

Private Attributes