mirror of
https://github.com/ElvishArtisan/rivendell.git
synced 2025-04-18 15:09:39 +02:00
140 lines
2.9 KiB
C++
140 lines
2.9 KiB
C++
// rdlabel.cpp
|
|
//
|
|
// Multiline button labelling that is smart about spaces and the like
|
|
//
|
|
// (C) Copyright 2002,2016 Fred Gleason <fredg@paravelsystems.com>
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU Library General Public License
|
|
// version 2 as published by the Free Software Foundation.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public
|
|
// License along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
//
|
|
//
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <qwidget.h>
|
|
#include <qlabel.h>
|
|
#include <qpainter.h>
|
|
#include <qcolor.h>
|
|
#include <qpalette.h>
|
|
#include <qsize.h>
|
|
#include <qrect.h>
|
|
#include <qpixmap.h>
|
|
|
|
#include <rdlabel.h>
|
|
|
|
|
|
RDLabel::RDLabel(QWidget *parent,Qt::WFlags f)
|
|
: QLabel(parent,"",f)
|
|
{
|
|
label_wrap=false;
|
|
}
|
|
|
|
|
|
RDLabel::RDLabel(const QString &text,QWidget *parent=0,Qt::WFlags f)
|
|
: QLabel(text,parent,"",f)
|
|
{
|
|
label_wrap=false;
|
|
label_text=text;
|
|
QLabel::setText(WrapText());
|
|
}
|
|
|
|
|
|
RDLabel::RDLabel(QWidget *buddy,const QString &text,QWidget *parent,Qt::WFlags f)
|
|
: QLabel(buddy,text,parent,"",f)
|
|
{
|
|
label_wrap=false;
|
|
label_text=text;
|
|
QLabel::setText(WrapText());
|
|
}
|
|
|
|
|
|
QString RDLabel::text() const
|
|
{
|
|
return label_text;
|
|
}
|
|
|
|
|
|
void RDLabel::setFont(const QFont &font)
|
|
{
|
|
label_font=font;
|
|
QLabel::setFont(font);
|
|
QLabel::setText(WrapText());
|
|
}
|
|
|
|
|
|
bool RDLabel::wordWrapEnabled() const
|
|
{
|
|
return label_wrap;
|
|
}
|
|
|
|
|
|
void RDLabel::setWordWrapEnabled(bool state)
|
|
{
|
|
label_wrap=state;
|
|
QLabel::setText(WrapText());
|
|
}
|
|
|
|
|
|
void RDLabel::setText(const QString &string)
|
|
{
|
|
label_text=string;
|
|
QLabel::setText(WrapText());
|
|
}
|
|
|
|
|
|
QString RDLabel::WrapText()
|
|
{
|
|
QFontMetrics fm(label_font);
|
|
QString str;
|
|
QString residue=label_text;
|
|
bool space_found=false;
|
|
int l;
|
|
|
|
if(label_wrap&&!label_text.isEmpty()) {
|
|
while(!residue.isEmpty()) {
|
|
space_found=false;
|
|
for(int i=residue.length();i>=0;i--) {
|
|
if((i==((int)residue.length()))||(residue.at(i).isSpace())) {
|
|
if(fm.boundingRect(residue.left(i)).width()<=width()) {
|
|
space_found=true;
|
|
if(!str.isEmpty()) {
|
|
str+="\n";
|
|
}
|
|
str+=residue.left(i);
|
|
if(i==(int)residue.length()) {
|
|
return str;
|
|
}
|
|
residue=residue.right(residue.length()-i-1);
|
|
}
|
|
}
|
|
}
|
|
if(!space_found) {
|
|
l=residue.length();
|
|
for(int i=l;i>=0;i--) {
|
|
if(fm.boundingRect(residue.left(i)).width()<=width()) {
|
|
if(!str.isEmpty()) {
|
|
str+="\n";
|
|
}
|
|
str+=residue.left(i);
|
|
if(i==(int)residue.length()) {
|
|
return str;
|
|
}
|
|
residue=residue.right(residue.length()-i-1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return label_text;
|
|
}
|