Doc: Rearrange files in the doc folder

Source and configuration files for each manual are now located in a
separate subdirectory, with common configuration files in doc/config.

doc
|_config
|_qtcreator
|_qtcreatordev
|_qtdesignstudio

Edit the config files accordingly.

Change-Id: Idc747a7c16e84f3e06add91234dc5fc908e64cc5
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

doc/qtcreatordev/examples/exampleplugin/exampleplugin.cpp

@@ -0,0 +1,86 @@
+#include "exampleplugin.h"
+#include "exampleconstants.h"
+
+#include <coreplugin/icore.h>
+#include <coreplugin/icontext.h>
+#include <coreplugin/actionmanager/actionmanager.h>
+#include <coreplugin/actionmanager/command.h>
+#include <coreplugin/actionmanager/actioncontainer.h>
+#include <coreplugin/coreconstants.h>
+
+#include <QAction>
+#include <QMessageBox>
+#include <QMainWindow>
+#include <QMenu>
+
+#include <QtPlugin>
+
+namespace Example {
+namespace Internal {
+
+ExamplePlugin::ExamplePlugin()
+{
+    // Create your members
+}
+
+ExamplePlugin::~ExamplePlugin()
+{
+    // Unregister objects from the plugin manager's object pool
+    // Delete members
+}
+
+bool ExamplePlugin::initialize(const QStringList &arguments, QString *errorString)
+{
+    // Register objects in the plugin manager's object pool
+    // Load settings
+    // Add actions to menus
+    // Connect to other plugins' signals
+    // In the initialize function, a plugin can be sure that the plugins it
+    // depends on have initialized their members.
+
+    Q_UNUSED(arguments)
+    Q_UNUSED(errorString)
+
+//! [add action]
+    QAction *action = new QAction(tr("Example Action"), this);
+    Core::Command *cmd = Core::ActionManager::registerAction(action, Constants::ACTION_ID,
+                                            Core::Context(Core::Constants::C_GLOBAL));
+    cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+Alt+Meta+A")));
+    connect(action, &QAction::triggered, this, &ExamplePlugin::triggerAction);
+//! [add action]
+//! [add menu]
+    Core::ActionContainer *menu = Core::ActionManager::createMenu(Constants::MENU_ID);
+    menu->menu()->setTitle(tr("Example"));
+    menu->addAction(cmd);
+    Core::ActionManager::actionContainer(Core::Constants::M_TOOLS)->addMenu(menu);
+//! [add menu]
+
+    return true;
+}
+
+void ExamplePlugin::extensionsInitialized()
+{
+    // Retrieve objects from the plugin manager's object pool
+    // In the extensionsInitialized function, a plugin can be sure that all
+    // plugins that depend on it are completely initialized.
+}
+
+ExtensionSystem::IPlugin::ShutdownFlag ExamplePlugin::aboutToShutdown()
+{
+    // Save settings
+    // Disconnect from signals that are not needed during shutdown
+    // Hide UI (if you add UI that is not in the main window directly)
+    return SynchronousShutdown;
+}
+
+//! [slot implementation]
+void ExamplePlugin::triggerAction()
+{
+    QMessageBox::information(Core::ICore::mainWindow(),
+                             tr("Action Triggered"),
+                             tr("This is an action from Example."));
+}
+//! [slot implementation]
+
+} // namespace Internal
+} // namespace Example