Initialize _autoWidgetsChanged *cough*

[quassel.git] / src / uisupport / settingspage.cpp

diff --git a/src/uisupport/settingspage.cpp b/src/uisupport/settingspage.cpp
index 37ac416..b91fc64 100644 (file)
--- a/src/uisupport/settingspage.cpp
+++ b/src/uisupport/settingspage.cpp
@@ -20,44 +20,171 @@
 
 #include "settingspage.h"
 
-SettingsPage::SettingsPage(const QString &category, const QString &title, QWidget *parent) : QWidget(parent),
-     _category(category), _title(title) {
+#include <QCheckBox>
+#include <QComboBox>
+#include <QSpinBox>
+#include <QVariant>
 
-  _changed = false;
+#include <QDebug>
+
+#include "uisettings.h"
+
+SettingsPage::SettingsPage(const QString &category, const QString &title, QWidget *parent)
+  : QWidget(parent),
+    _category(category),
+    _title(title),
+    _changed(false),
+    _autoWidgetsChanged(false)
+{
 }
 
-QString SettingsPage::category() const {
-  return _category;
+void SettingsPage::setChangedState(bool hasChanged_) {
+  if(hasChanged_ != _changed) {
+    bool old = hasChanged();
+    _changed = hasChanged_;
+    if(hasChanged() != old)
+      emit changed(hasChanged());
+  }
 }
 
-QString SettingsPage::title() const {
-  return _title;
+void SettingsPage::load(QCheckBox *box, bool checked) {
+  box->setProperty("StoredValue", checked);
+  box->setChecked(checked);
 }
 
-bool SettingsPage::hasDefaults() const {
-  return false;
+bool SettingsPage::hasChanged(QCheckBox *box) {
+  return box->property("StoredValue").toBool() == box->isChecked();
 }
 
-void SettingsPage::defaults() {
 
+void SettingsPage::load(QComboBox *box, int index) {
+  box->setProperty("StoredValue", index);
+  box->setCurrentIndex(index);
 }
 
-bool SettingsPage::hasChanged() const {
-  return _changed;
+bool SettingsPage::hasChanged(QComboBox *box) {
+  return box->property("StoredValue").toInt() == box->currentIndex();
 }
 
-bool SettingsPage::aboutToSave() {
-  return true;
+void SettingsPage::load(QSpinBox *box, int value) {
+  box->setProperty("StoredValue", value);
+  box->setValue(value);
 }
 
-void SettingsPage::changed() {
-  changeState(true);
+bool SettingsPage::hasChanged(QSpinBox *box) {
+  return box->property("StoredValue").toInt() == box->value();
+}
+
+/*** Auto child widget handling ***/
+
+void SettingsPage::initAutoWidgets() {
+  _autoWidgets.clear();
+
+  if(settingsKey().isNull())
+    return;
+
+  // find all descendants that should be considered auto widgets
+  // we need to climb the QObject tree recursively
+  findAutoWidgets(this, &_autoWidgets);
+
+  foreach(QObject *widget, _autoWidgets) {
+    if(widget->inherits("QAbstractButton"))
+      connect(widget, SIGNAL(toggled(bool)), SLOT(autoWidgetHasChanged()));
+    else if(widget->inherits("QLineEdit") || widget->inherits("QTextEdit"))
+      connect(widget, SIGNAL(textChanged(const QString &)), SLOT(autoWidgetHasChanged()));
+    else if(widget->inherits("QComboBox"))
+      connect(widget, SIGNAL(currentIndexChanged(int)), SLOT(autoWidgetHasChanged()));
+    else if(widget->inherits("QSpinBox"))
+      connect(widget, SIGNAL(valueChanged(int)), SLOT(autoWidgetHasChanged()));
+    else
+      qWarning() << "SettingsPage::init(): Unknown autoWidget type" << widget->metaObject()->className();
+  }
 }
 
-void SettingsPage::changeState(bool hasChanged) {
-  if(hasChanged != _changed) {
-    _changed = hasChanged;
-    emit changed(hasChanged);
+void SettingsPage::findAutoWidgets(QObject *parent, QObjectList *autoList) const {
+  foreach(QObject *child, parent->children()) {
+    if(!child->property("settingsKey").toString().isEmpty())
+      autoList->append(child);
+    findAutoWidgets(child, autoList);
   }
 }
 
+QByteArray SettingsPage::autoWidgetPropertyName(QObject *widget) const {
+  QByteArray prop;
+  if(widget->inherits("QAbstractButton"))
+    prop = "checked";
+  else if(widget->inherits("QLineEdit") || widget->inherits("QTextEdit"))
+    prop = "text";
+  else if(widget->inherits("QComboBox"))
+    prop = "currentIndex";
+  else if(widget->inherits("QSpinBox"))
+    prop = "value";
+  else
+    qWarning() << "SettingsPage::autoWidgetPropertyName(): Unhandled widget type for" << widget;
+
+  return prop;
+}
+
+QString SettingsPage::autoWidgetSettingsKey(QObject *widget) const {
+  QString key = widget->property("settingsKey").toString();
+  if(key.startsWith('/'))
+    key.remove(0, 1);
+  else
+    key.prepend(settingsKey() + '/');
+  return key;
+}
+
+void SettingsPage::autoWidgetHasChanged() {
+  bool changed_ = false;
+  foreach(QObject *widget, _autoWidgets) {
+    QVariant curValue = widget->property(autoWidgetPropertyName(widget));
+    if(!curValue.isValid())
+      qWarning() << "SettingsPage::autoWidgetHasChanged(): Unknown property";
+
+    if(curValue != widget->property("storedValue")) {
+      changed_ = true;
+      break;
+    }
+  }
+
+  if(changed_ != _autoWidgetsChanged) {
+    bool old = hasChanged();
+    _autoWidgetsChanged = changed_;
+    if(hasChanged() != old)
+      emit changed(hasChanged());
+  }
+}
+
+void SettingsPage::load() {
+  UiSettings s("");
+  foreach(QObject *widget, _autoWidgets) {
+    QVariant val = s.value(autoWidgetSettingsKey(widget), widget->property("defaultValue"));
+    widget->setProperty(autoWidgetPropertyName(widget), val);
+    widget->setProperty("storedValue", val);
+  }
+  bool old = hasChanged();
+  _autoWidgetsChanged = _changed = false;
+  if(hasChanged() != old)
+    emit changed(hasChanged());
+}
+
+void SettingsPage::save() {
+  UiSettings s("");
+  foreach(QObject *widget, _autoWidgets) {
+    QVariant val = widget->property(autoWidgetPropertyName(widget));
+    widget->setProperty("storedValue", val);
+    s.setValue(autoWidgetSettingsKey(widget), val);
+  }
+  bool old = hasChanged();
+  _autoWidgetsChanged = _changed = false;
+  if(hasChanged() != old)
+    emit changed(hasChanged());
+}
+
+void SettingsPage::defaults() {
+  foreach(QObject *widget, _autoWidgets) {
+    QVariant val = widget->property("defaultValue");
+    widget->setProperty(autoWidgetPropertyName(widget), val);
+  }
+  autoWidgetHasChanged();
+}