Method onValidateShortcutButtonClicked

Gui/PreferencesPanel.cpp:1510–1580

}

void
PreferencesPanel::onValidateShortcutButtonClicked()
{
    QString text = _imp->shortcutEditor->text();
    QString altText = _imp->altShortcutEditor->text();

    QList<QTreeWidgetItem*> items = _imp->shortcutsTree->selectedItems();
    if ( (items.size() > 1) || items.empty() ) {
        return;
    }

    QTreeWidgetItem* selection = items.front();
    QKeySequence seq(text, QKeySequence::NativeText);
    QKeySequence altseq(altText, QKeySequence::NativeText);
    BoundAction* action = _imp->getActionForTreeItem(selection);
    QTreeWidgetItem* parent = selection->parent();
    while (parent) {
        QTreeWidgetItem* parentUp = parent->parent();
        if (!parentUp) {
            break;
        }
        parent = parentUp;
    }
    assert(parent);

    //only keybinds can be edited...
    KeyBoundAction* ka = dynamic_cast<KeyBoundAction*>(action);
    assert(ka);
    if (!ka) {
        return;
    }
    Qt::KeyboardModifiers modifiers, altmodifiers;
    Qt::Key symbol, altsymbmol;
    extractKeySequence(seq, modifiers, symbol);
    extractKeySequence(altseq, altmodifiers, altsymbmol);

    for (GuiAppShorcuts::iterator it = _imp->appShortcuts.begin(); it != _imp->appShortcuts.end(); ++it) {
        for (std::list<GuiBoundAction>::iterator it2 = it->actions.begin(); it2 != it->actions.end(); ++it2) {
            if ( (it2->action != action) && ( it->item->text(0) == parent->text(0) ) ) {
                KeyBoundAction* keyAction = dynamic_cast<KeyBoundAction*>(it2->action);
                if (keyAction) {
                    assert( keyAction->modifiers.size() == keyAction->currentShortcut.size() );
                    std::list<Qt::KeyboardModifiers>::const_iterator mit = keyAction->modifiers.begin();
                    for (std::list<Qt::Key>::const_iterator it3 = keyAction->currentShortcut.begin(); it3 != keyAction->currentShortcut.end(); ++it3, ++mit) {
                        if ( (*mit == modifiers) && (*it3 == symbol) ) {
                            QString err = QString::fromUtf8("Cannot bind this shortcut because the following action is already using it: %1")
                                          .arg( it2->item->text(0) );
                            _imp->shortcutEditor->clear();
                            Dialogs::errorDialog( tr("Shortcuts Editor").toStdString(), tr( err.toStdString().c_str() ).toStdString() );

                            return;
                        }
                    }
                }
            }
        }
    }