examples/widgets/tools/settingseditor/locationdialog.cpp

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  40
  41 #include <QtWidgets>
  42
  43 #include "locationdialog.h"
  44
  45 LocationDialog::LocationDialog(QWidget *parent)
  46     : QDialog(parent)
  47 {
  48     formatComboBox = new QComboBox;
  49     formatComboBox->addItem(tr("Native"));
  50     formatComboBox->addItem(tr("INI"));
  51
  52     scopeComboBox = new QComboBox;
  53     scopeComboBox->addItem(tr("User"));
  54     scopeComboBox->addItem(tr("System"));
  55
  56     organizationComboBox = new QComboBox;
  57     organizationComboBox->addItem(tr("Qt"));
  58     organizationComboBox->setEditable(true);
  59
  60     applicationComboBox = new QComboBox;
  61     applicationComboBox->addItem(tr("Any"));
  62     applicationComboBox->addItem(tr("Application Example"));
  63     applicationComboBox->addItem(tr("Assistant"));
  64     applicationComboBox->addItem(tr("Designer"));
  65     applicationComboBox->addItem(tr("Linguist"));
  66     applicationComboBox->setEditable(true);
  67     applicationComboBox->setCurrentIndex(3);
  68
  69     formatLabel = new QLabel(tr("&Format:"));
  70     formatLabel->setBuddy(formatComboBox);
  71
  72     scopeLabel = new QLabel(tr("&Scope:"));
  73     scopeLabel->setBuddy(scopeComboBox);
  74
  75     organizationLabel = new QLabel(tr("&Organization:"));
  76     organizationLabel->setBuddy(organizationComboBox);
  77
  78     applicationLabel = new QLabel(tr("&Application:"));
  79     applicationLabel->setBuddy(applicationComboBox);
  80
  81     locationsGroupBox = new QGroupBox(tr("Setting Locations"));
  82
  83     QStringList labels;
  84     labels << tr("Location") << tr("Access");
  85
  86     locationsTable = new QTableWidget;
  87     locationsTable->setSelectionMode(QAbstractItemView::SingleSelection);
  88     locationsTable->setSelectionBehavior(QAbstractItemView::SelectRows);
  89     locationsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
  90     locationsTable->setColumnCount(2);
  91     locationsTable->setHorizontalHeaderLabels(labels);
  92     locationsTable->horizontalHeader()->setSectionResizeMode(0, QHeaderView::Stretch);
  93     locationsTable->horizontalHeader()->resizeSection(1, 180);
  94
  95     buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
  96                                      | QDialogButtonBox::Cancel);
  97
  98     connect(formatComboBox, SIGNAL(activated(int)),
  99             this, SLOT(updateLocationsTable()));
 100     connect(scopeComboBox, SIGNAL(activated(int)),
 101             this, SLOT(updateLocationsTable()));
 102     connect(organizationComboBox->lineEdit(),
 103             SIGNAL(editingFinished()),
 104             this, SLOT(updateLocationsTable()));
 105     connect(applicationComboBox->lineEdit(),
 106             SIGNAL(editingFinished()),
 107             this, SLOT(updateLocationsTable()));
 108     connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
 109     connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
 110
 111     QVBoxLayout *locationsLayout = new QVBoxLayout;
 112     locationsLayout->addWidget(locationsTable);
 113     locationsGroupBox->setLayout(locationsLayout);
 114
 115     QGridLayout *mainLayout = new QGridLayout;
 116     mainLayout->addWidget(formatLabel, 0, 0);
 117     mainLayout->addWidget(formatComboBox, 0, 1);
 118     mainLayout->addWidget(scopeLabel, 1, 0);
 119     mainLayout->addWidget(scopeComboBox, 1, 1);
 120     mainLayout->addWidget(organizationLabel, 2, 0);
 121     mainLayout->addWidget(organizationComboBox, 2, 1);
 122     mainLayout->addWidget(applicationLabel, 3, 0);
 123     mainLayout->addWidget(applicationComboBox, 3, 1);
 124     mainLayout->addWidget(locationsGroupBox, 4, 0, 1, 2);
 125     mainLayout->addWidget(buttonBox, 5, 0, 1, 2);
 126     setLayout(mainLayout);
 127
 128     updateLocationsTable();
 129
 130     setWindowTitle(tr("Open Application Settings"));
 131     resize(650, 400);
 132 }
 133
 134 QSettings::Format LocationDialog::format() const
 135 {
 136     if (formatComboBox->currentIndex() == 0)
 137         return QSettings::NativeFormat;
 138     else
 139         return QSettings::IniFormat;
 140 }
 141
 142 QSettings::Scope LocationDialog::scope() const
 143 {
 144     if (scopeComboBox->currentIndex() == 0)
 145         return QSettings::UserScope;
 146     else
 147         return QSettings::SystemScope;
 148 }
 149
 150 QString LocationDialog::organization() const
 151 {
 152     return organizationComboBox->currentText();
 153 }
 154
 155 QString LocationDialog::application() const
 156 {
 157     if (applicationComboBox->currentText() == tr("Any"))
 158         return "";
 159     else
 160         return applicationComboBox->currentText();
 161 }
 162
 163 void LocationDialog::updateLocationsTable()
 164 {
 165     locationsTable->setUpdatesEnabled(false);
 166     locationsTable->setRowCount(0);
 167
 168     for (int i = 0; i < 2; ++i) {
 169         if (i == 0 && scope() == QSettings::SystemScope)
 170             continue;
 171
 172         QSettings::Scope actualScope = (i == 0) ? QSettings::UserScope
 173                                                 : QSettings::SystemScope;
 174         for (int j = 0; j < 2; ++j) {
 175             if (j == 0 && application().isEmpty())
 176                 continue;
 177
 178             QString actualApplication;
 179             if (j == 0)
 180                 actualApplication = application();
 181             QSettings settings(format(), actualScope, organization(),
 182                                actualApplication);
 183
 184             int row = locationsTable->rowCount();
 185             locationsTable->setRowCount(row + 1);
 186
 187             QTableWidgetItem *item0 = new QTableWidgetItem;
 188             item0->setText(settings.fileName());
 189
 190             QTableWidgetItem *item1 = new QTableWidgetItem;
 191             bool disable = (settings.childKeys().isEmpty()
 192                             && settings.childGroups().isEmpty());
 193
 194             if (row == 0) {
 195                 if (settings.isWritable()) {
 196                     item1->setText(tr("Read-write"));
 197                     disable = false;
 198                 } else {
 199                     item1->setText(tr("Read-only"));
 200                 }
 201                 buttonBox->button(QDialogButtonBox::Ok)->setDisabled(disable);
 202             } else {
 203                 item1->setText(tr("Read-only fallback"));
 204             }
 205
 206             if (disable) {
 207                 item0->setFlags(item0->flags() & ~Qt::ItemIsEnabled);
 208                 item1->setFlags(item1->flags() & ~Qt::ItemIsEnabled);
 209             }
 210
 211             locationsTable->setItem(row, 0, item0);
 212             locationsTable->setItem(row, 1, item1);
 213         }
 214     }
 215     locationsTable->setUpdatesEnabled(true);
 216 }