Add QStyleFactory and bits to set the app style

CMakeLists.txt

@@ -146,6 +146,7 @@ add_library(${CORE_WIDGETS_ADDON} SHARED
     "${PROJECT_SOURCE_DIR}/src/cpp/lib/QtWidgets/QStandardItem/qstandarditem_wrap.cpp"
     "${PROJECT_SOURCE_DIR}/src/cpp/lib/QtWidgets/QSvgWidget/qsvgwidget_wrap.cpp"
     "${PROJECT_SOURCE_DIR}/src/cpp/lib/QtWidgets/QDesktopWidget/qdesktopwidget_wrap.cpp"
+    "${PROJECT_SOURCE_DIR}/src/cpp/lib/QtWidgets/QStyleFactory/qstylefactory_wrap.cpp"
     # Custom widgets (include them for automoc since they contain Q_OBJECT)
     "${PROJECT_SOURCE_DIR}/src/cpp/include/nodegui/QtCore/QAbstractItemModel/nabstractitemmodel.hpp"
     "${PROJECT_SOURCE_DIR}/src/cpp/include/nodegui/QtCore/QItemSelectionModel/nitemselectionmodel.hpp"

src/cpp/include/nodegui/QtGui/QApplication/qapplication_wrap.h

@@ -35,5 +35,6 @@ class DLL_EXPORT QApplicationWrap : public Napi::ObjectWrap<QApplicationWrap> {
 namespace StaticQApplicationWrapMethods {
 DLL_EXPORT Napi::Value instance(const Napi::CallbackInfo& info);
 DLL_EXPORT Napi::Value clipboard(const Napi::CallbackInfo& info);
+DLL_EXPORT Napi::Value setStyle(const Napi::CallbackInfo& info);
 DLL_EXPORT Napi::Value style(const Napi::CallbackInfo& info);
 }  // namespace StaticQApplicationWrapMethods

src/cpp/include/nodegui/QtWidgets/QStyleFactory/qstylefactory_wrap.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <napi.h>
+
+namespace QStyleFactoryWrap {
+DLL_EXPORT Napi::Object create(Napi::Env env, Napi::Object exports);
+DLL_EXPORT Napi::Object keys(Napi::Env env, Napi::Object exports);
+DLL_EXPORT Napi::Object init(Napi::Env env, Napi::Object exports);
+}  // namespace QStyleFactoryWrap

src/cpp/lib/QtGui/QApplication/qapplication_wrap.cpp

@@ -25,6 +25,7 @@ Napi::Object QApplicationWrap::init(Napi::Env env, Napi::Object exports) {
        InstanceMethod("setStyleSheet", &QApplicationWrap::setStyleSheet),
        StaticMethod("instance", &StaticQApplicationWrapMethods::instance),
        StaticMethod("clipboard", &StaticQApplicationWrapMethods::clipboard),
+       StaticMethod("setStyle", &StaticQApplicationWrapMethods::setStyle),
        StaticMethod("style", &StaticQApplicationWrapMethods::style),
        QOBJECT_WRAPPED_METHODS_EXPORT_DEFINE(QApplicationWrap)});
   constructor = Napi::Persistent(func);
@@ -125,6 +126,19 @@ Napi::Value StaticQApplicationWrapMethods::clipboard(
       {Napi::External<QClipboard>::New(env, clipboard)});
 }
 
+Napi::Value StaticQApplicationWrapMethods::setStyle(
+    const Napi::CallbackInfo& info) {
+  Napi::Env env = info.Env();
+  Napi::HandleScope scope(env);
+
+  QStyleWrap* styleWrap =
+      Napi::ObjectWrap<QStyleWrap>::Unwrap(info[0].As<Napi::Object>());
+  QStyle* style = styleWrap->getInternalInstance();
+  QApplication::setStyle(style);
+
+  return env.Null();
+}
+
 Napi::Value StaticQApplicationWrapMethods::style(
     const Napi::CallbackInfo& info) {
   Napi::Env env = info.Env();

src/cpp/lib/QtWidgets/QStyleFactory/qstylefactory_wrap.cpp

@@ -0,0 +1,40 @@
+#include <nodegui/Extras/Utils/nutils.h>
+
+#include <QStyleFactory>
+
+#include "QtGui/QStyle/qstyle_wrap.h"
+
+namespace QStyleFactoryWrap {
+
+Napi::Value create(const Napi::CallbackInfo& info) {
+  Napi::Env env = info.Env();
+  Napi::HandleScope scope(env);
+
+  Napi::String key = info[0].As<Napi::String>();
+
+  QStyle* style =
+      QStyleFactory::create(QString::fromStdString(key.Utf8Value()));
+  if (!style) {
+    return env.Null();
+  }
+  return QStyleWrap::constructor.New({Napi::External<QStyle>::New(env, style)});
+}
+
+Napi::Value keys(const Napi::CallbackInfo& info) {
+  Napi::Env env = info.Env();
+  Napi::HandleScope scope(env);
+
+  QStringList keys = QStyleFactory::keys();
+  Napi::Array keysNapi = Napi::Array::New(env, keys.size());
+  for (int i = 0; i < keys.size(); i++) {
+    keysNapi[i] = Napi::String::New(env, keys[i].toStdString());
+  }
+  return keysNapi;
+}
+
+Napi::Object init(Napi::Env env, Napi::Object exports) {
+  exports.Set("QStyleFactory_create", Napi::Function::New<create>(env));
+  exports.Set("QStyleFactory_keys", Napi::Function::New<keys>(env));
+  return exports;
+}
+}  // namespace QStyleFactoryWrap

src/cpp/main.cpp

@@ -94,6 +94,7 @@
 #include "QtWidgets/QStandardItem/qstandarditem_wrap.h"
 #include "QtWidgets/QStandardItemModel/qstandarditemmodel_wrap.h"
 #include "QtWidgets/QStatusBar/qstatusbar_wrap.h"
+#include "QtWidgets/QStyleFactory/qstylefactory_wrap.h"
 #include "QtWidgets/QSvgWidget/qsvgwidget_wrap.h"
 #include "QtWidgets/QSystemTrayIcon/qsystemtrayicon_wrap.h"
 #include "QtWidgets/QTabBar/qtabbar_wrap.h"
@@ -226,6 +227,7 @@ Napi::Object Main(Napi::Env env, Napi::Object exports) {
   QAbstractItemModelWrap::init(env, exports);
   QHeaderViewWrap::init(env, exports);
   QItemSelectionModelWrap::init(env, exports);
+  QStyleFactoryWrap::init(env, exports);
   return exports;
 }
 

src/index.ts

@@ -136,6 +136,8 @@ export {
     QTextEditLineWrapMode,
     WrapMode,
 } from './lib/QtWidgets/QTextEdit';
+export { QStyleFactory } from './lib/QtWidgets/QStyleFactory';
+
 // Core
 export { QAbstractItemModel } from './lib/QtCore/QAbstractItemModel';
 export { QAbstractTableModel } from './lib/QtCore/QAbstractTableModel';

src/lib/QtGui/QApplication.ts

@@ -74,6 +74,9 @@ export class QApplication extends NodeObject<QApplicationSignals> {
         const preparedSheet = StyleSheet.create(styleSheet);
         this.native.setStyleSheet(preparedSheet);
     }
+    static setStyle(style: QStyle): void {
+        addon.QApplication.setStyle(style.native);
+    }
     static style(): QStyle {
         return new QStyle(addon.QApplication.style());
     }

src/lib/QtWidgets/QStyleFactory.ts

@@ -0,0 +1,15 @@
+import addon from '../utils/addon';
+import { QStyle } from '../QtGui/QStyle';
+
+export class QStyleFactory {
+    static create(key: string): QStyle | null {
+        const qstyle = addon.QStyleFactory_create(key);
+        if (qstyle == null) {
+            return null;
+        }
+        return new QStyle(qstyle);
+    }
+    static keys(): string[] {
+        return addon.QStyleFactory_keys();
+    }
+}