Implemented support for custom DockWidget actions for display in DockArea title bar

Author: githubuser0xFFFF

demo/MainWindow.cpp

@@ -192,6 +192,8 @@ static ads::CDockWidget* createEditorWidget(QMenu* ViewMenu)
 	// styling
 	MenuAction->setObjectName("optionsMenu");
 	DockWidget->setTitleBarActions({OptionsMenu->menuAction()});
+	auto a = OptionsMenu->addAction(QObject::tr("Clear Editor"));
+	w->connect(a, SIGNAL(triggered()), SLOT(clear()));
 
 	return DockWidget;
 }
@@ -424,6 +426,7 @@ CMainWindow::CMainWindow(QWidget *parent) :
 {
 	using namespace ads;
 	d->ui.setupUi(this);
+
 	d->createActions();
 
 	// uncomment the following line if the tab close button should be

demo/demo.qrc

@@ -10,5 +10,6 @@
         <file>images/edit.svg</file>
         <file>images/grid_on.svg</file>
         <file>images/custom-menu-button.svg</file>
+        <file>app.css</file>
     </qresource>
 </RCC>

demo/main.cpp

@@ -42,6 +42,13 @@ int main(int argc, char *argv[])
 	std::shared_ptr<int> b;
 	QApplication a(argc, argv);
 	a.setQuitOnLastWindowClosed(true);
+
+	QFile StyleSheetFile(":/adsdemo/app.css");
+	StyleSheetFile.open(QIODevice::ReadOnly);
+	QTextStream StyleSheetStream(&StyleSheetFile);
+	a.setStyleSheet(StyleSheetStream.readAll());
+	StyleSheetFile.close();
+
 	qInstallMessageHandler(myMessageOutput);
 	qDebug() << "Message handler test";
 

src/DockAreaTitleBar.cpp

@@ -113,6 +113,7 @@ struct DockAreaTitleBarPrivate
  */
 class CTitleBarButton : public tTitleBarButton
 {
+	Q_OBJECT
 	bool Visible = true;
 	bool HideWhenDisabled = false;
 public:
@@ -354,19 +355,9 @@ void CDockAreaTitleBar::onTabsMenuActionTriggered(QAction* Action)
 
 
 //============================================================================
-void CDockAreaTitleBar::onCurrentTabChanged(int Index)
+void CDockAreaTitleBar::updateDockWidgetActionsButtons()
 {
-	if (Index < 0)
-	{
-		return;
-	}
-
-	CDockWidget* DockWidget = d->TabBar->tab(Index)->dockWidget();
-	if (d->testConfigFlag(CDockManager::DockAreaCloseButtonClosesTab))
-	{
-		d->CloseButton->setEnabled(DockWidget->features().testFlag(CDockWidget::DockWidgetClosable));
-	}
-
+	CDockWidget* DockWidget = d->TabBar->currentTab()->dockWidget();
 	if (!d->DockWidgetActionsButtons.isEmpty())
 	{
 		for (auto Button : d->DockWidgetActionsButtons)
@@ -397,6 +388,24 @@ void CDockAreaTitleBar::onCurrentTabChanged(int Index)
 }
 
 
+//============================================================================
+void CDockAreaTitleBar::onCurrentTabChanged(int Index)
+{
+	if (Index < 0)
+	{
+		return;
+	}
+
+	if (d->testConfigFlag(CDockManager::DockAreaCloseButtonClosesTab))
+	{
+		CDockWidget* DockWidget = d->TabBar->tab(Index)->dockWidget();
+		d->CloseButton->setEnabled(DockWidget->features().testFlag(CDockWidget::DockWidgetClosable));
+	}
+
+	updateDockWidgetActionsButtons();
+}
+
+
 //============================================================================
 QAbstractButton* CDockAreaTitleBar::button(TitleBarButton which) const
 {
@@ -440,5 +449,7 @@ void CDockAreaTitleBar::showContextMenu(const QPoint& pos)
 
 } // namespace ads
 
+#include "DockAreaTitleBar.moc"
+
 //---------------------------------------------------------------------------
 // EOF DockAreaTitleBar.cpp

src/DockAreaTitleBar.h

@@ -92,6 +92,11 @@ public slots:
 	 */
 	QAbstractButton* button(TitleBarButton which) const;
 
+	/**
+	 * Updates the visibility of the dock widget actions in the title bar
+	 */
+	void updateDockWidgetActionsButtons();
+
 	/**
 	 * Marks the tabs menu outdated before it calls its base class
 	 * implementation

src/DockAreaWidget.cpp

@@ -338,6 +338,7 @@ void DockAreaWidgetPrivate::updateTitleBarButtonStates()
 		_this->features().testFlag(CDockWidget::DockWidgetClosable));
 	TitleBar->button(TitleBarButtonUndock)->setEnabled(
 		_this->features().testFlag(CDockWidget::DockWidgetFloatable));
+	TitleBar->updateDockWidgetActionsButtons();
 	UpdateTitleBarButtons = false;
 }
 

src/stylesheets/default.css

@@ -59,11 +59,11 @@ ads--CDockWidget
     border-width: 1px 0 0 0;
 }
 
-#tabsMenuButton,
-#closeButton,
-#undockButton
+ads--CTitleBarButton
 {
-	padding: 0px -2px;
+	padding: 0px 0px;
+	margin-top: -1px;
+	margin-botton: -1px;
 }
 
 

src/stylesheets/default_linux.css

@@ -59,14 +59,14 @@ ads--CDockWidget
     border-width: 1px 0 0 0;
 }
 
-#tabsMenuButton,
-#closeButton,
-#undockButton
+
+ads--CTitleBarButton
 {
-	padding: 0px -2px;
+	padding: 0px 0px;
 }
 
 
+
 QScrollArea#dockWidgetScrollArea
 {
 	padding: 0px;