src/ui/LabelEntry.cc

   1 /* Shopper
   2  * Copyright (C) 2008 David Greaves
   3  *
   4  * This software is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public License
   6  * as published by the Free Software Foundation; either version 2.1 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This software is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this software; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  17  * 02110-1301 USA
  18  *
  19  */
  20 #define DEBUG_SHOPPER 1
  21 #include "shopper.h"           // automake, i8n, gettext
  22 #include "LabelEntry.h"
  23
  24 namespace Shopper
  25 {
  26         // SLabel a label that emits pressed() when clicked
  27         SLabel::SLabel(QWidget * parent, Qt::WindowFlags f ) :
  28                 QLabel(parent, f)
  29         {
  30         }
  31         SLabel::SLabel( const QString & text, QWidget * parent, Qt::WindowFlags f ) :
  32                 QLabel(text, parent, f)
  33         {
  34         }
  35         void SLabel::setVisible(bool vis)
  36         {
  37                 _ENTER;
  38                 QLabel::setVisible(vis);
  39         }
  40         void SLabel::mousePressEvent ( QMouseEvent * event )
  41         {
  42                 if (event->button() == Qt::LeftButton)  emit pressed();
  43         }
  44
  45     // LabelEntry - a label that turns into a textbox when clicked
  46         LabelEntry::LabelEntry(QWidget *parent) :
  47                 QWidget(parent),
  48                 data(""),
  49                 entry(NULL),
  50                 layout(this)
  51         {
  52                 init();
  53         }
  54         LabelEntry::LabelEntry(const QString & value, QWidget *parent) :
  55                 QWidget(parent),
  56                 data(value),
  57                 entry(NULL),
  58                 layout(this)
  59         {
  60                 init();
  61         }
  62         void LabelEntry::init()
  63         {
  64                 label = new SLabel(data, this);
  65                 connect(label, SIGNAL(pressed()),
  66                                 this, SLOT(label_clicked()));
  67                 layout.addWidget(label);
  68                 layout.setContentsMargins(0, 0, 0, 0);
  69                 label->show();
  70         }
  71         QString LabelEntry::getText()
  72         {
  73                 return data;
  74         }
  75
  76         void LabelEntry::label_clicked()
  77         {
  78                 _ENTER;
  79                 if (entry != NULL) return; // events may arrive post-creation
  80                 entry = new QLineEdit(this);
  81                 entry->setSizePolicy(label->sizePolicy());
  82 //              entry->set_activates_default(false);
  83 //              entry->set_width_chars(15); // FIXME
  84                 entry->setText(data);
  85                 // self-destruct on unfocus or activate
  86                 connect(entry, SIGNAL(editingFinished()),
  87                                 this, SLOT(entry_finished()));
  88
  89                 layout.removeWidget(label);
  90                 label->hide();
  91                 layout.addWidget(entry);
  92                 entry->show();
  93                 entry->setFocus(Qt::MouseFocusReason);
  94         }
  95         void LabelEntry::entry_finished()
  96         {
  97                 _ENTER;
  98                 if (entry == NULL) return; // events may arrive post-deletion
  99                 data=entry->text();
 100                 label->setText(data);
 101                 layout.removeWidget(entry);
 102                 entry->hide();
 103                 layout.addWidget(label);
 104                 label->show();
 105                 entry->deleteLater();   // We can now forget about it...
 106                 entry=NULL;
 107                 emit changed();
 108         }
 109         void LabelEntry::setAlignment ( Qt::Alignment al )
 110         {
 111                 label->setAlignment(al);
 112         }
 113         void LabelEntry::setText ( const QString & d )
 114         {
 115                 data = d;
 116         }
 117         void LabelEntry::setVisible(bool vis)
 118         {
 119                 _ENTER;
 120                 QWidget::setVisible(vis);
 121         }
 122
 123         void LabelEntry::setFrameStyle(int i)
 124         {
 125                 label->setFrameStyle(i);
 126         }
 127         void LabelEntry::setSizePolicy(QSizePolicy::Policy h, QSizePolicy::Policy v)
 128         {
 129                 QWidget::setSizePolicy(h,v);
 130                 label->setSizePolicy(h,v);
 131         }
 132         void LabelEntry::setSizePolicy(QSizePolicy p)
 133         {
 134                 _ENTER;
 135                 QWidget::setSizePolicy(p);
 136                 label->setSizePolicy(p);
 137         }
 138 }