improv: adding the ability to change the tab text (#421)

* adding the setTabText to the QTabWidgetWrap definition

* implementing the setTabText funciton in the cpp module

* implementing the setTabText in the ts module

* adding a demo for the tab text change feature

* fixing lint issues

* exporting the QSettings enums

src/cpp/include/nodegui/QtWidgets/QTabWidget/qtabwidget_wrap.h

@@ -27,4 +27,5 @@ class DLL_EXPORT QTabWidgetWrap : public Napi::ObjectWrap<QTabWidgetWrap> {
   Napi::Value currentIndex(const Napi::CallbackInfo &info);
   Napi::Value removeTab(const Napi::CallbackInfo &info);
   Napi::Value setTabsClosable(const Napi::CallbackInfo &info);
+  Napi::Value setTabText(const Napi::CallbackInfo &info);
 };

src/cpp/lib/QtWidgets/QTabWidget/qtabwidget_wrap.cpp

@@ -15,6 +15,7 @@ Napi::Object QTabWidgetWrap::init(Napi::Env env, Napi::Object exports) {
       env, CLASSNAME,
       {InstanceMethod("addTab", &QTabWidgetWrap::addTab),
        InstanceMethod("setTabPosition", &QTabWidgetWrap::setTabPosition),
+       InstanceMethod("setTabText", &QTabWidgetWrap::setTabText),
        InstanceMethod("setCurrentIndex", &QTabWidgetWrap::setCurrentIndex),
        InstanceMethod("currentIndex", &QTabWidgetWrap::currentIndex),
        InstanceMethod("removeTab", &QTabWidgetWrap::removeTab),
@@ -80,6 +81,16 @@ Napi::Value QTabWidgetWrap::setTabPosition(const Napi::CallbackInfo& info) {
   return env.Null();
 }
 
+Napi::Value QTabWidgetWrap::setTabText(const Napi::CallbackInfo& info) {
+  Napi::Env env = info.Env();
+  Napi::HandleScope scope(env);
+  int tabIndex = info[0].As<Napi::Number>().Int32Value();
+  Napi::String napiLabel = info[1].As<Napi::String>();
+  std::string label = napiLabel.Utf8Value();
+  this->instance->setTabText(tabIndex, label.c_str());
+  return env.Null();
+}
+
 Napi::Value QTabWidgetWrap::setCurrentIndex(const Napi::CallbackInfo& info) {
   Napi::Env env = info.Env();
   Napi::HandleScope scope(env);

src/index.ts

@@ -94,6 +94,7 @@ export { QPoint } from './lib/QtCore/QPoint';
 export { QColor } from './lib/QtGui/QColor';
 export { QTime } from './lib/QtCore/QTime';
 export { QUrl, ParsingMode } from './lib/QtCore/QUrl';
+export { Format, Scope, QSettings } from './lib/QtCore/QSettings';
 // Layouts:
 export { QBoxLayout, QBoxLayoutSignals } from './lib/QtWidgets/QBoxLayout';
 export { QGridLayout, QGridLayoutSignals } from './lib/QtWidgets/QGridLayout';

src/lib/QtCore/QSettings.ts

@@ -2,7 +2,7 @@ import { NativeElement, Component } from '../core/Component';
 import addon from '../utils/addon';
 import { QVariant } from './QVariant';
 
-enum Format {
+export enum Format {
     NativeFormat = 0,
     Registry32Format = 2,
     Registry64Format = 3,
@@ -10,7 +10,7 @@ enum Format {
     InvalidFormat = 16,
 }
 
-enum Scope {
+export enum Scope {
     UserScope = 0,
     SystemScope = 1,
 }

src/lib/QtWidgets/QTabWidget.ts

@@ -53,6 +53,10 @@ export class QTabWidget extends NodeWidget<QTabWidgetSignals> {
         this.native.setTabPosition(tabPosition);
     }
 
+    setTabText(tabIndex: number, tabText: string): void {
+        this.native.setTabText(tabIndex, tabText);
+    }
+
     setCurrentIndex(index: number): void {
         this.native.setCurrentIndex(index);
     }