Gustavo Carneiro
6 years ago
committed by
Kurt Hindenburg
parent
c273dd88f8
commit
7adfa6fb50
5 changed files with 309 additions and 204 deletions
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/*
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Copyright 2019 by Mariusz Glebocki <mglb@arccos-1.net> |
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Based on KConfigDialog and KConfigDialogManager from KConfigWidgets |
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Copyright (C) 2003 Benjamin C Meyer (ben+kdelibs at meyerhome dot net) |
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Copyright (C) 2003 Waldo Bastian <bastian@kde.org> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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02110-1301 USA. |
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*/ |
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// Own
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#include "ConfigDialogButtonGroupManager.h" |
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// Qt
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#include <QTimer> |
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#include <QString> |
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#include <QButtonGroup> |
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#include <QAbstractButton> |
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using namespace Konsole; |
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//const QString ConfigDialogButtonGroupManager::ManagedNamePrefix;
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const QString ConfigDialogButtonGroupManager::ManagedNamePrefix = QStringLiteral("kcfg_"); |
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ConfigDialogButtonGroupManager::ConfigDialogButtonGroupManager(QObject *parent, KCoreConfigSkeleton *config) |
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: QObject(parent) |
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, _config(config) |
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{ |
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Q_ASSERT(config); |
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connect(_config, &KCoreConfigSkeleton::configChanged, |
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this, &ConfigDialogButtonGroupManager::updateWidgets); |
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} |
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void ConfigDialogButtonGroupManager::addChildren(const QObject *parentObj) |
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{ |
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const auto allButtonGroups = parentObj->findChildren<QButtonGroup *>(); |
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for (const auto *buttonGroup: allButtonGroups) { |
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if (buttonGroup->objectName().startsWith(ManagedNamePrefix)) { |
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add(buttonGroup); |
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} |
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} |
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} |
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void ConfigDialogButtonGroupManager::add(const QButtonGroup *obj) |
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{ |
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Q_ASSERT(obj->exclusive()); |
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connect(obj, QOverload<QAbstractButton *, bool>::of(&QButtonGroup::buttonToggled), |
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this, &ConfigDialogButtonGroupManager::setButtonState, Qt::UniqueConnection); |
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_groups.append(obj); |
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} |
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bool ConfigDialogButtonGroupManager::hasChanged() const |
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{ |
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for(const QButtonGroup *group: qAsConst(_groups)) { |
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if (!group->checkedButton()) { |
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continue; |
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} |
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int value = buttonToEnumValue(group->checkedButton()); |
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const auto *enumItem = groupToConfigItemEnum(group); |
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if (enumItem != nullptr && !enumItem->isEqual(value)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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bool ConfigDialogButtonGroupManager::isDefault() const |
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{ |
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bool useDefaults = _config->useDefaults(true); |
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bool result = !hasChanged(); |
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_config->useDefaults(useDefaults); |
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return result; |
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} |
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void ConfigDialogButtonGroupManager::updateWidgets() |
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{ |
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bool prevSignalsBlocked = signalsBlocked(); |
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bool changed = false; |
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blockSignals(true); |
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for(const QButtonGroup *group: qAsConst(_groups)) { |
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auto *enumItem = groupToConfigItemEnum(group); |
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if(enumItem == nullptr) { |
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continue; |
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} |
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int value = enumItem->value(); |
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const QString &valueName = enumItem->choices().at(value).name; |
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QAbstractButton *currentButton = nullptr; |
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for(auto &button: group->buttons()) { |
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if(button->objectName() == valueName) { |
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currentButton = button; |
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break; |
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} |
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} |
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if(currentButton == nullptr) { |
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return; |
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} |
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currentButton->setChecked(true); |
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changed = true; |
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} |
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blockSignals(prevSignalsBlocked); |
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if(changed) { |
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QTimer::singleShot(0, this, &ConfigDialogButtonGroupManager::widgetModified); |
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} |
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} |
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void ConfigDialogButtonGroupManager::updateWidgetsDefault() |
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{ |
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bool useDefaults = _config->useDefaults(true); |
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updateWidgets(); |
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_config->useDefaults(useDefaults); |
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} |
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void ConfigDialogButtonGroupManager::updateSettings() |
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{ |
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bool updateConfig = false; |
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for(const QButtonGroup *group: qAsConst(_groups)) { |
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auto *enumItem = groupToConfigItemEnum(group); |
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if (enumItem == nullptr) { |
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continue; |
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} |
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const auto *currentButton = group->checkedButton(); |
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if(currentButton == nullptr) { |
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continue; |
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} |
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const int value = buttonToEnumValue(currentButton); |
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if(value < 0) { |
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continue; |
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} |
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if (!enumItem->isEqual(value)) { |
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enumItem->setValue(value); |
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updateConfig = true; |
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} |
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} |
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if(updateConfig) { |
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_config->save(); |
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emit settingsChanged(); |
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} |
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} |
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void ConfigDialogButtonGroupManager::setButtonState(QAbstractButton *button, bool checked) |
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{ |
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Q_ASSERT(button->group()); |
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if(!checked) { |
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// Both deselected and selected buttons trigger this slot, ignore the deselected one
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return; |
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} |
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auto *enumItem = groupToConfigItemEnum(button->group()); |
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if(enumItem == nullptr) { |
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return; |
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} |
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int value = buttonToEnumValue(button); |
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if (value < 0) { |
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return; |
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} |
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emit settingsChanged(); |
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} |
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// Returns configuration item associated with the group
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KCoreConfigSkeleton::ItemEnum * ConfigDialogButtonGroupManager::groupToConfigItemEnum(const QButtonGroup *group) const |
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{ |
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Q_ASSERT(group); |
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const QString key = group->objectName().mid(ManagedNamePrefix.length()); |
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auto *item = _config->findItem(key); |
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if (item == nullptr) { |
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return nullptr; |
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} |
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auto *enumItem = dynamic_cast<KCoreConfigSkeleton::ItemEnum *>(item); |
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if (enumItem == nullptr) { |
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return nullptr; |
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} |
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return enumItem; |
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} |
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// Returns a value the button represents in its group
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int ConfigDialogButtonGroupManager::buttonToEnumValue(const QAbstractButton *button) const |
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{ |
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Q_ASSERT(button); |
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Q_ASSERT(button->group()); |
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if (_buttonValues.contains(button)) { |
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return _buttonValues[button]; |
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} |
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const auto *enumItem = groupToConfigItemEnum(button->group()); |
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if (enumItem == nullptr) { |
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return -1; |
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} |
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const auto &choices = enumItem->choices(); |
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const QString buttonName = button->objectName(); |
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int value = -1; |
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for (int i = 0; i < choices.size(); ++i) { |
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if(buttonName == choices.at(i).name) { |
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value = i; |
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break; |
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} |
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} |
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_buttonValues[button] = value; |
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return value; |
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} |
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@ -0,0 +1,85 @@ |
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/*
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Copyright 2019 by Mariusz Glebocki <mglb@arccos-1.net> |
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Based on KConfigDialog and KConfigDialogManager from KConfigWidgets |
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Copyright (C) 2003 Benjamin C Meyer (ben+kdelibs at meyerhome dot net) |
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Copyright (C) 2003 Waldo Bastian <bastian@kde.org> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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02110-1301 USA. |
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*/ |
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#ifndef CONFIGDIALOGBUTTONGROUPMANAGER_H |
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#define CONFIGDIALOGBUTTONGROUPMANAGER_H |
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// Qt
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#include <QObject> |
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// KDE
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#include <KCoreConfigSkeleton> |
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class QString; |
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class QButtonGroup; |
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class QAbstractButton; |
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template <typename T> class QList; |
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template <class Key, class T> class QMap; |
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namespace Konsole |
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{ |
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// KConfigDialogManager-like class for managing QButtonGroups,
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// which are not supported by KConfigDialogManager yet. When
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// support will be available in minimum KF5 used by Konsole,
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// just remove this class and all expressions which refer to it.
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class ConfigDialogButtonGroupManager : public QObject |
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{ |
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Q_OBJECT |
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public: |
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ConfigDialogButtonGroupManager(QObject *parent, KCoreConfigSkeleton *config); |
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void addChildren(const QObject *parentObj); |
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void add(const QButtonGroup *obj); |
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bool hasChanged() const; |
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bool isDefault() const; |
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Q_SIGNALS: |
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void settingsChanged(); |
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void widgetModified(); |
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public Q_SLOTS: |
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void updateWidgets(); |
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void updateWidgetsDefault(); |
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void updateSettings(); |
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protected Q_SLOTS: |
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void setButtonState(QAbstractButton *button, bool checked); |
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private: |
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// Returns configuration item associated with the group
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KCoreConfigSkeleton::ItemEnum * groupToConfigItemEnum(const QButtonGroup *group) const; |
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// Returns a value the button represents in its group
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int buttonToEnumValue(const QAbstractButton *button) const; |
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static const QString ManagedNamePrefix; |
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mutable QMap<const QAbstractButton *, int> _buttonValues; |
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KCoreConfigSkeleton *_config = nullptr; |
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QList<const QButtonGroup *> _groups; |
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}; |
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} |
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#endif |
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