src/ui/PreferencesDialog.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
  23 #include "PreferencesDialog.h"
  24
  25 namespace Shopper
  26 {
  27 ////////////////////////////////////////////////////////////////
  28 // Public
  29         PreferencesDialog::PreferencesDialog( QWidget * parent) :
  30                 QDialog(parent),
  31                 signalMapper(this)
  32         {
  33                 _ENTER;
  34
  35                 // UI pane and options
  36                 uiPane = new QWidget;
  37                 QGridLayout *uiLayout = new QGridLayout(uiPane);
  38                 // Note that addPref returns a QCheckBox* chk that may be
  39                 // useful for a connect() to action a preference change in the UI.
  40                 addPref("ui/ShowCategoryHeadings", true, tr("Show Category Headings"), uiLayout, 0);
  41                 addPref("ui/RotateOtherWay", false, tr("Rotate the other way"), uiLayout, 1);
  42                 addPref("ui/RotateSafe", false, tr("Rotate to 'normal' on Exit"), uiLayout, 2);
  43 //              addPref("ui/ShowTwoColumns", false, tr("Show Two Columns"), uiLayout, 2);
  44
  45                 // Data pane and options
  46                 dataPane = new QWidget;
  47                 QGridLayout *dataLayout = new QGridLayout(dataPane);
  48                 addPref("data/SaveOnExit", true, tr("Save On Exit"), dataLayout, 0);
  49
  50                 // Mapped settings send the "setting" for every toggle
  51                 connect(&signalMapper, SIGNAL(mapped(const QString &)),
  52                                 this, SLOT(toggleSetting(const QString &)));
  53
  54                 // Add the panes to the tab widget
  55                 tabWidget = new QTabWidget;
  56                 tabWidget->addTab(uiPane, tr("View"));
  57                 tabWidget->addTab(dataPane, tr("Data"));
  58
  59                 buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);
  60                 connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
  61
  62                 QVBoxLayout *mainLayout = new QVBoxLayout;
  63                 mainLayout->addWidget(tabWidget);
  64                 mainLayout->addWidget(buttonBox);
  65                 setLayout(mainLayout);
  66
  67         }
  68
  69 ////////////////////////////////////////////////////////////////
  70 // Private
  71         QCheckBox* PreferencesDialog::addPref(const QString setting, bool defaultVal, QString label, QGridLayout *layout, int row)
  72         {
  73                 QSettings settings;
  74                 bool value = settings.value(setting, defaultVal).toBool();
  75                 settings.setValue(setting, value); // ensure that any default is saved
  76                 QLabel    *L     = new QLabel(label);
  77                 QCheckBox *Check = new QCheckBox();
  78                 layout->addWidget(L, row, 0);
  79                 layout->addWidget(Check, row, 1);
  80                 Check->setChecked(value);
  81                 signalMapper.setMapping(Check, setting);
  82                 connect(Check, SIGNAL(released()),     // ugh - but signalMapper can't cope with anything other than signal()
  83                                 &signalMapper, SLOT(map()));
  84                 return Check;
  85         }
  86
  87         void PreferencesDialog::toggleSetting(const QString setting)
  88         {
  89                 _ENTER;
  90                 QSettings settings;
  91                 bool value = settings.value(setting).toBool();
  92                 settings.setValue(setting, ! value); // invert
  93                 DEBUG("Set " << setting << " from " << value << " to " << settings.value(setting).toBool());
  94         }
  95 }