add QAD::VirtualKeyboard library, vkbd for widgets with JSON-based description

libs/virtual_keyboard/plugin/virtual_keyboard_plugin.cpp

@@ -0,0 +1,62 @@
+#include "virtual_keyboard_plugin.h"
+
+#include "virtual_keyboard.h"
+
+#include <QDesignerFormEditorInterface>
+#include <QDesignerPropertyEditorInterface>
+#include <QtCore/QtPlugin>
+
+
+VirtualKeyboardPlugin::VirtualKeyboardPlugin(QObject * parent): QObject(parent) {
+	m_initialized = false;
+}
+
+void VirtualKeyboardPlugin::initialize(QDesignerFormEditorInterface * /* core */) {
+	if (m_initialized) return;
+
+	// Add extension registrations, etc. here
+
+	m_initialized = true;
+}
+
+bool VirtualKeyboardPlugin::isInitialized() const {
+	return m_initialized;
+}
+
+QWidget * VirtualKeyboardPlugin::createWidget(QWidget * parent) {
+	auto ret = new VirtualKeyboard(parent);
+	ret->setAlwaysVisible(true);
+	return ret;
+}
+
+QString VirtualKeyboardPlugin::name() const {
+	return QLatin1String("VirtualKeyboard");
+}
+
+QString VirtualKeyboardPlugin::group() const {
+	return QLatin1String("Touch Widgets");
+}
+
+QIcon VirtualKeyboardPlugin::icon() const {
+	return QIcon(":/icons/virtual_keyboard.png");
+}
+
+QString VirtualKeyboardPlugin::toolTip() const {
+	return QLatin1String("");
+}
+
+QString VirtualKeyboardPlugin::whatsThis() const {
+	return QLatin1String("");
+}
+
+bool VirtualKeyboardPlugin::isContainer() const {
+	return false;
+}
+
+QString VirtualKeyboardPlugin::domXml() const {
+	return QLatin1String("<widget class=\"VirtualKeyboard\" name=\"virtualKeyboard\">\n</widget>\n");
+}
+
+QString VirtualKeyboardPlugin::includeFile() const {
+	return QLatin1String("virtual_keyboard.h");
+}