1 files changed, 247 insertions, 0 deletions
diff --git a/src/settingsutilities.cpp b/src/settingsutilities.cpp
new file mode 100644
index 00000000..7ac95b5f
--- /dev/null
+++ b/src/settingsutilities.cpp
@@ -0,0 +1,247 @@
+#include "settingsutilities.h"
+#include "expanderwidget.h"
+#include <utility.h>
+
+using namespace MOBase;
+
+void logRemoval(const QString& name)
+{
+  log::debug("setting '{}' removed", name);
+}
+
+
+QString settingName(const QString& section, const QString& key)
+{
+  if (section.isEmpty()) {
+    return key;
+  } else if (key.isEmpty()) {
+    return section;
+  } else {
+    if (section.compare("General", Qt::CaseInsensitive) == 0) {
+      return key;
+    } else {
+      return section + "/" + key;
+    }
+  }
+}
+
+void removeImpl(
+  QSettings& settings, const QString& displayName,
+  const QString& section, const QString& key)
+{
+  if (key.isEmpty()) {
+    if (!settings.childGroups().contains(section, Qt::CaseInsensitive)) {
+      // not there
+      return;
+    }
+  } else {
+    if (!settings.contains(settingName(section, key))) {
+      // not there
+      return;
+    }
+  }
+
+  logRemoval(displayName);
+  settings.remove(settingName(section, key));
+}
+
+void remove(QSettings& settings, const QString& section, const QString& key)
+{
+  removeImpl(settings, settingName(section, key), section, key);
+}
+
+void removeSection(QSettings& settings, const QString& section)
+{
+  removeImpl(settings, section, section, "");
+}
+
+
+ScopedGroup::ScopedGroup(QSettings& s, const QString& name)
+  : m_settings(s), m_name(name)
+{
+  m_settings.beginGroup(m_name);
+}
+
+ScopedGroup::~ScopedGroup()
+{
+  m_settings.endGroup();
+}
+
+void ScopedGroup::remove(const QString& key)
+{
+  removeImpl(m_settings, settingName(m_name, key), "", key);
+}
+
+QStringList ScopedGroup::keys() const
+{
+  return m_settings.childKeys();
+}
+
+
+ScopedReadArray::ScopedReadArray(QSettings& s, const QString& section)
+  : m_settings(s), m_count(0)
+{
+  m_count = m_settings.beginReadArray(section);
+}
+
+ScopedReadArray::~ScopedReadArray()
+{
+  m_settings.endArray();
+}
+
+int ScopedReadArray::count() const
+{
+  return m_count;
+}
+
+QStringList ScopedReadArray::keys() const
+{
+  return m_settings.childKeys();
+}
+
+
+ScopedWriteArray::ScopedWriteArray(QSettings& s, const QString& section)
+  : m_settings(s), m_section(section), m_i(0)
+{
+  m_settings.beginWriteArray(section);
+}
+
+ScopedWriteArray::~ScopedWriteArray()
+{
+  m_settings.endArray();
+}
+
+void ScopedWriteArray::next()
+{
+  m_settings.setArrayIndex(m_i);
+  ++m_i;
+}
+
+
+QString widgetNameWithTopLevel(const QWidget* widget)
+{
+  QStringList components;
+
+  auto* tl = widget->window();
+
+  if (tl == widget) {
+    // this is a top level widget, such as a dialog
+    components.push_back(widget->objectName());
+  } else {
+    // this is a widget
+    const auto toplevelName = tl->objectName();
+    if (!toplevelName.isEmpty()) {
+      components.push_back(toplevelName);
+    }
+
+    const auto widgetName = widget->objectName();
+    if (!widgetName.isEmpty()) {
+      components.push_back(widgetName);
+    }
+  }
+
+  if (components.isEmpty()) {
+    // can't do much
+    return "unknown_widget";
+  }
+
+  return components.join("_");
+}
+
+QString widgetName(const QMainWindow* w)
+{
+  return w->objectName();
+}
+
+QString widgetName(const QHeaderView* w)
+{
+  return widgetNameWithTopLevel(w->parentWidget());
+}
+
+QString widgetName(const ExpanderWidget* w)
+{
+  return widgetNameWithTopLevel(w->button());
+}
+
+QString widgetName(const QWidget* w)
+{
+  return widgetNameWithTopLevel(w);
+}
+
+QString dockSettingName(const QDockWidget* dock)
+{
+  return "MainWindow_docks_" + dock->objectName() + "_size";
+}
+
+QString indexSettingName(const QWidget* widget)
+{
+  return widgetNameWithTopLevel(widget) + "_index";
+}
+
+QString checkedSettingName(const QAbstractButton* b)
+{
+  return widgetNameWithTopLevel(b) + "_checked";
+}
+
+void warnIfNotCheckable(const QAbstractButton* b)
+{
+  if (!b->isCheckable()) {
+    log::warn(
+      "button '{}' used in the settings as a checkbox or radio button "
+      "but is not checkable", b->objectName());
+  }
+}
+
+
+bool setWindowsCredential(const QString key, const QString data)
+{
+  QString finalKey("ModOrganizer2_" + key);
+  wchar_t* keyData = new wchar_t[finalKey.size()+1];
+  finalKey.toWCharArray(keyData);
+  keyData[finalKey.size()] = L'\0';
+  bool result = false;
+  if (data.isEmpty()) {
+    result = CredDeleteW(keyData, CRED_TYPE_GENERIC, 0);
+    if (!result)
+      if (GetLastError() == ERROR_NOT_FOUND)
+        result = true;
+  } else {
+    wchar_t* charData = new wchar_t[data.size()];
+    data.toWCharArray(charData);
+
+    CREDENTIALW cred = {};
+    cred.Flags = 0;
+    cred.Type = CRED_TYPE_GENERIC;
+    cred.TargetName = keyData;
+    cred.CredentialBlob = (LPBYTE)charData;
+    cred.CredentialBlobSize = sizeof(wchar_t) * data.size();
+    cred.Persist = CRED_PERSIST_LOCAL_MACHINE;
+
+    result = CredWriteW(&cred, 0);
+    delete[] charData;
+  }
+  delete[] keyData;
+  return result;
+}
+
+QString getWindowsCredential(const QString key)
+{
+  QString result;
+  QString finalKey("ModOrganizer2_" + key);
+  wchar_t* keyData = new wchar_t[finalKey.size()+1];
+  finalKey.toWCharArray(keyData);
+  keyData[finalKey.size()] = L'\0';
+  PCREDENTIALW creds;
+  if (CredReadW(keyData, 1, 0, &creds)) {
+    wchar_t *charData = (wchar_t *)creds->CredentialBlob;
+    result = QString::fromWCharArray(charData, creds->CredentialBlobSize / sizeof(wchar_t));
+    CredFree(creds);
+  } else {
+    const auto e = GetLastError();
+    if (e != ERROR_NOT_FOUND) {
+      log::error("Retrieving encrypted data failed: {}", formatSystemMessage(e));
+    }
+  }
+  delete[] keyData;
+  return result;
+}