src/qtui/settingspagedlg.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2022 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
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  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "settingspagedlg.h"
  22
  23 #include <QMessageBox>
  24 #include <QPushButton>
  25
  26 #include "icon.h"
  27
  28 SettingsPageDlg::SettingsPageDlg(SettingsPage* page, QWidget* parent)
  29     : QDialog(parent)
  30 {
  31     ui.setupUi(this);
  32     _currentPage = page;
  33     page->setParent(this);
  34
  35     // make it look more native under Mac OS X:
  36     setWindowFlags(Qt::Sheet);
  37
  38     ui.pageTitle->setText(page->title());
  39     setWindowTitle(tr("Configure %1").arg(page->title()));
  40     setWindowIcon(icon::get("configure"));
  41
  42     // make the scrollarea behave sanely
  43     ui.settingsFrame->setWidgetResizable(true);
  44     ui.settingsFrame->setWidget(page);
  45
  46     updateGeometry();
  47
  48     connect(page, &SettingsPage::changed, this, &SettingsPageDlg::setButtonStates);
  49     connect(ui.buttonBox, &QDialogButtonBox::clicked, this, &SettingsPageDlg::buttonClicked);
  50     page->load();
  51     setButtonStates();
  52 }
  53
  54 SettingsPage* SettingsPageDlg::currentPage() const
  55 {
  56     return _currentPage;
  57 }
  58
  59 void SettingsPageDlg::setButtonStates()
  60 {
  61     SettingsPage* sp = currentPage();
  62     ui.buttonBox->button(QDialogButtonBox::Apply)->setEnabled(sp && sp->hasChanged());
  63     ui.buttonBox->button(QDialogButtonBox::Reset)->setEnabled(sp && sp->hasChanged());
  64     ui.buttonBox->button(QDialogButtonBox::RestoreDefaults)->setEnabled(sp && sp->hasDefaults());
  65 }
  66
  67 void SettingsPageDlg::buttonClicked(QAbstractButton* button)
  68 {
  69     switch (ui.buttonBox->standardButton(button)) {
  70     case QDialogButtonBox::Ok:
  71         if (currentPage() && currentPage()->hasChanged()) {
  72             if (applyChanges())
  73                 accept();
  74         }
  75         else
  76             accept();
  77         break;
  78     case QDialogButtonBox::Apply:
  79         applyChanges();
  80         break;
  81     case QDialogButtonBox::Cancel:
  82         undoChanges();
  83         reject();
  84         break;
  85     case QDialogButtonBox::Reset:
  86         reload();
  87         break;
  88     case QDialogButtonBox::RestoreDefaults:
  89         loadDefaults();
  90         break;
  91     default:
  92         break;
  93     }
  94 }
  95
  96 bool SettingsPageDlg::applyChanges()
  97 {
  98     if (!currentPage())
  99         return false;
 100     if (currentPage()->aboutToSave()) {
 101         currentPage()->save();
 102         return true;
 103     }
 104     return false;
 105 }
 106
 107 void SettingsPageDlg::undoChanges()
 108 {
 109     if (currentPage()) {
 110         currentPage()->load();
 111     }
 112 }
 113
 114 void SettingsPageDlg::reload()
 115 {
 116     if (!currentPage())
 117         return;
 118     int ret = QMessageBox::question(this,
 119                                     tr("Reload Settings"),
 120                                     tr("Do you like to reload the settings, undoing your changes on this page?"),
 121                                     QMessageBox::Yes | QMessageBox::No,
 122                                     QMessageBox::No);
 123     if (ret == QMessageBox::Yes) {
 124         currentPage()->load();
 125     }
 126 }
 127
 128 void SettingsPageDlg::loadDefaults()
 129 {
 130     if (!currentPage())
 131         return;
 132     int ret = QMessageBox::question(this,
 133                                     tr("Restore Defaults"),
 134                                     tr("Do you like to restore the default values for this page?"),
 135                                     QMessageBox::RestoreDefaults | QMessageBox::Cancel,
 136                                     QMessageBox::Cancel);
 137     if (ret == QMessageBox::RestoreDefaults) {
 138         currentPage()->defaults();
 139     }
 140 }